diff --git a/src/core.c b/src/core.c index 09aa1d8ec..21d4e43ed 100644 --- a/src/core.c +++ b/src/core.c @@ -1,5455 +1,5258 @@ -/********************************************************************************************** -* -* raylib.core - Basic functions to manage windows, OpenGL context and input on multiple platforms -* -* PLATFORMS SUPPORTED: -* - PLATFORM_DESKTOP: Windows (Win32, Win64) -* - PLATFORM_DESKTOP: Linux (X11 desktop mode) -* - PLATFORM_DESKTOP: FreeBSD, OpenBSD, NetBSD, DragonFly (X11 desktop) -* - PLATFORM_DESKTOP: OSX/macOS -* - PLATFORM_ANDROID: Android 4.0 (ARM, ARM64) -* - PLATFORM_RPI: Raspberry Pi 0,1,2,3,4 (Raspbian) -* - PLATFORM_WEB: HTML5 with asm.js (Chrome, Firefox) -* - PLATFORM_UWP: Windows 10 App, Windows Phone, Xbox One -* -* CONFIGURATION: -* -* #define PLATFORM_DESKTOP -* Windowing and input system configured for desktop platforms: Windows, Linux, OSX, FreeBSD, OpenBSD, NetBSD, DragonFly -* NOTE: Oculus Rift CV1 requires PLATFORM_DESKTOP for mirror rendering - View [rlgl] module to enable it -* -* #define PLATFORM_ANDROID -* Windowing and input system configured for Android device, app activity managed internally in this module. -* NOTE: OpenGL ES 2.0 is required and graphic device is managed by EGL -* -* #define PLATFORM_RPI -* Windowing and input system configured for Raspberry Pi i native mode (no X.org required, tested on Raspbian), -* graphic device is managed by EGL and inputs are processed is raw mode, reading from /dev/input/ -* -* #define PLATFORM_WEB -* Windowing and input system configured for HTML5 (run on browser), code converted from C to asm.js -* using emscripten compiler. OpenGL ES 2.0 required for direct translation to WebGL equivalent code. -* -* #define PLATFORM_UWP -* Universal Windows Platform support, using OpenGL ES 2.0 through ANGLE on multiple Windows platforms, -* including Windows 10 App, Windows Phone and Xbox One platforms. -* -* #define SUPPORT_DEFAULT_FONT (default) -* Default font is loaded on window initialization to be available for the user to render simple text. -* NOTE: If enabled, uses external module functions to load default raylib font (module: text) -* -* #define SUPPORT_CAMERA_SYSTEM -* Camera module is included (camera.h) and multiple predefined cameras are available: free, 1st/3rd person, orbital -* -* #define SUPPORT_GESTURES_SYSTEM -* Gestures module is included (gestures.h) to support gestures detection: tap, hold, swipe, drag -* -* #define SUPPORT_MOUSE_GESTURES -* Mouse gestures are directly mapped like touches and processed by gestures system. -* -* #define SUPPORT_TOUCH_AS_MOUSE -* Touch input and mouse input are shared. Mouse functions also return touch information. -* -* #define SUPPORT_SSH_KEYBOARD_RPI (Raspberry Pi only) -* Reconfigure standard input to receive key inputs, works with SSH connection. -* WARNING: Reconfiguring standard input could lead to undesired effects, like breaking other running processes or -* blocking the device is not restored properly. Use with care. -* -* #define SUPPORT_MOUSE_CURSOR_RPI (Raspberry Pi only) -* Draw a mouse reference on screen (square cursor box) -* -* #define SUPPORT_BUSY_WAIT_LOOP -* Use busy wait loop for timing sync, if not defined, a high-resolution timer is setup and used -* -* #define SUPPORT_HALFBUSY_WAIT_LOOP -* Use a half-busy wait loop, in this case frame sleeps for some time and runs a busy-wait-loop at the end -* -* #define SUPPORT_EVENTS_WAITING -* Wait for events passively (sleeping while no events) instead of polling them actively every frame -* -* #define SUPPORT_SCREEN_CAPTURE -* Allow automatic screen capture of current screen pressing F12, defined in KeyCallback() -* -* #define SUPPORT_GIF_RECORDING -* Allow automatic gif recording of current screen pressing CTRL+F12, defined in KeyCallback() -* -* #define SUPPORT_HIGH_DPI -* Allow scale all the drawn content to match the high-DPI equivalent size (only PLATFORM_DESKTOP) -* NOTE: This flag is forced on macOS, since most displays are high-DPI -* -* #define SUPPORT_COMPRESSION_API -* Support CompressData() and DecompressData() functions, those functions use zlib implementation -* provided by stb_image and stb_image_write libraries, so, those libraries must be enabled on textures module -* for linkage -* -* #define SUPPORT_DATA_STORAGE -* Support saving binary data automatically to a generated storage.data file. This file is managed internally. -* -* DEPENDENCIES: -* rglfw - Manage graphic device, OpenGL context and inputs on PLATFORM_DESKTOP (Windows, Linux, OSX. FreeBSD, OpenBSD, NetBSD, DragonFly) -* raymath - 3D math functionality (Vector2, Vector3, Matrix, Quaternion) -* camera - Multiple 3D camera modes (free, orbital, 1st person, 3rd person) -* gestures - Gestures system for touch-ready devices (or simulated from mouse inputs) -* -* -* LICENSE: zlib/libpng -* -* Copyright (c) 2013-2020 Ramon Santamaria (@raysan5) -* -* This software is provided "as-is", without any express or implied warranty. In no event -* will the authors be held liable for any damages arising from the use of this software. -* -* Permission is granted to anyone to use this software for any purpose, including commercial -* applications, and to alter it and redistribute it freely, subject to the following restrictions: -* -* 1. The origin of this software must not be misrepresented; you must not claim that you -* wrote the original software. If you use this software in a product, an acknowledgment -* in the product documentation would be appreciated but is not required. -* -* 2. Altered source versions must be plainly marked as such, and must not be misrepresented -* as being the original software. -* -* 3. This notice may not be removed or altered from any source distribution. -* -**********************************************************************************************/ - -#include "raylib.h" // Declares module functions - -// Check if config flags have been externally provided on compilation line -#if !defined(EXTERNAL_CONFIG_FLAGS) - #include "config.h" // Defines module configuration flags -#else - #define RAYLIB_VERSION "3.0" -#endif - -#include "utils.h" // Required for: TRACELOG macros - -#if (defined(__linux__) || defined(PLATFORM_WEB)) && _POSIX_C_SOURCE < 199309L - #undef _POSIX_C_SOURCE - #define _POSIX_C_SOURCE 199309L // Required for CLOCK_MONOTONIC if compiled with c99 without gnu ext. -#endif - -#define RAYMATH_IMPLEMENTATION // Define external out-of-line implementation of raymath here -#include "raymath.h" // Required for: Vector3 and Matrix functions - -#define RLGL_IMPLEMENTATION -#include "rlgl.h" // raylib OpenGL abstraction layer to OpenGL 1.1, 3.3+ or ES2 - -#if defined(SUPPORT_GESTURES_SYSTEM) - #define GESTURES_IMPLEMENTATION - #include "gestures.h" // Gestures detection functionality -#endif - -#if defined(SUPPORT_CAMERA_SYSTEM) - #define CAMERA_IMPLEMENTATION - #include "camera.h" // Camera system functionality -#endif - -#if defined(SUPPORT_GIF_RECORDING) - #define RGIF_MALLOC RL_MALLOC - #define RGIF_FREE RL_FREE - - #define RGIF_IMPLEMENTATION - #include "external/rgif.h" // Support GIF recording -#endif - -#include // Required for: srand(), rand(), atexit() -#include // Required for: sprintf() [Used in OpenURL()] -#include // Required for: strrchr(), strcmp(), strlen() -#include // Required for: time() [Used in InitTimer()] -#include // Required for: tan() [Used in BeginMode3D()] - -#include // Required for: stat() [Used in GetFileModTime()] - -#if (defined(PLATFORM_DESKTOP) || defined(PLATFORM_UWP)) && defined(_WIN32) && (defined(_MSC_VER) || defined(__TINYC__)) - #define DIRENT_MALLOC RL_MALLOC - #define DIRENT_FREE RL_FREE - - #include "external/dirent.h" // Required for: DIR, opendir(), closedir() [Used in GetDirectoryFiles()] -#else - #include // Required for: DIR, opendir(), closedir() [Used in GetDirectoryFiles()] -#endif - -#if defined(_WIN32) - #include // Required for: _getch(), _chdir() - #define GETCWD _getcwd // NOTE: MSDN recommends not to use getcwd(), chdir() - #define CHDIR _chdir - #include // Required for _access() [Used in FileExists()] -#else - #include // Required for: getch(), chdir() (POSIX), access() - #define GETCWD getcwd - #define CHDIR chdir -#endif - -#if defined(PLATFORM_DESKTOP) - #define GLFW_INCLUDE_NONE // Disable the standard OpenGL header inclusion on GLFW3 - // NOTE: Already provided by rlgl implementation (on glad.h) - #include // GLFW3 library: Windows, OpenGL context and Input management - // NOTE: GLFW3 already includes gl.h (OpenGL) headers - - // Support retrieving native window handlers - #if defined(_WIN32) - #define GLFW_EXPOSE_NATIVE_WIN32 - #include // WARNING: It requires customization to avoid windows.h inclusion! - - #if !defined(SUPPORT_BUSY_WAIT_LOOP) - // NOTE: Those functions require linking with winmm library - unsigned int __stdcall timeBeginPeriod(unsigned int uPeriod); - unsigned int __stdcall timeEndPeriod(unsigned int uPeriod); - #endif - - #elif defined(__linux__) - #include // Required for: timespec, nanosleep(), select() - POSIX - - //#define GLFW_EXPOSE_NATIVE_X11 // WARNING: Exposing Xlib.h > X.h results in dup symbols for Font type - //#define GLFW_EXPOSE_NATIVE_WAYLAND - //#define GLFW_EXPOSE_NATIVE_MIR - #include // Required for: glfwGetX11Window() - #elif defined(__APPLE__) - #include // Required for: usleep() - - //#define GLFW_EXPOSE_NATIVE_COCOA // WARNING: Fails due to type redefinition - #include // Required for: glfwGetCocoaWindow() - #endif -#endif - -#if defined(PLATFORM_ANDROID) - //#include // Android sensors functions (accelerometer, gyroscope, light...) - #include // Defines AWINDOW_FLAG_FULLSCREEN and others - #include // Defines basic app state struct and manages activity - - #include // EGL library - Native platform display device control functions - #include // OpenGL ES 2.0 library -#endif - -#if defined(PLATFORM_RPI) - #include // POSIX file control definitions - open(), creat(), fcntl() - #include // POSIX standard function definitions - read(), close(), STDIN_FILENO - #include // POSIX terminal control definitions - tcgetattr(), tcsetattr() - #include // POSIX threads management (inputs reading) - #include // POSIX directory browsing - - #include // UNIX System call for device-specific input/output operations - ioctl() - #include // Linux: KDSKBMODE, K_MEDIUMRAM constants definition - #include // Linux: Keycodes constants definition (KEY_A, ...) - #include // Linux: Joystick support library - - #include "bcm_host.h" // Raspberry Pi VideoCore IV access functions - - #include "EGL/egl.h" // EGL library - Native platform display device control functions - #include "EGL/eglext.h" // EGL library - Extensions - #include "GLES2/gl2.h" // OpenGL ES 2.0 library -#endif - -#if defined(PLATFORM_UWP) - #include "EGL/egl.h" // EGL library - Native platform display device control functions - #include "EGL/eglext.h" // EGL library - Extensions - #include "GLES2/gl2.h" // OpenGL ES 2.0 library - #include "uwp_events.h" // UWP bootstrapping functions -#endif - -#if defined(PLATFORM_WEB) - #define GLFW_INCLUDE_ES2 // GLFW3: Enable OpenGL ES 2.0 (translated to WebGL) - #include // GLFW3 library: Windows, OpenGL context and Input management - #include // Required for: timespec, nanosleep(), select() - POSIX - - #include // Emscripten library - LLVM to JavaScript compiler - #include // Emscripten HTML5 library -#endif - -#if defined(SUPPORT_COMPRESSION_API) - // NOTE: Those declarations require stb_image and stb_image_write definitions, included in textures module - unsigned char *stbi_zlib_compress(unsigned char *data, int data_len, int *out_len, int quality); - char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen); -#endif - -//---------------------------------------------------------------------------------- -// Defines and Macros -//---------------------------------------------------------------------------------- -#if defined(PLATFORM_RPI) - #define USE_LAST_TOUCH_DEVICE // When multiple touchscreens are connected, only use the one with the highest event number - - // Old device inputs system - #define DEFAULT_KEYBOARD_DEV STDIN_FILENO // Standard input - #define DEFAULT_GAMEPAD_DEV "/dev/input/js" // Gamepad input (base dev for all gamepads: js0, js1, ...) - #define DEFAULT_EVDEV_PATH "/dev/input/" // Path to the linux input events - - // New device input events (evdev) (must be detected) - //#define DEFAULT_KEYBOARD_DEV "/dev/input/eventN" - //#define DEFAULT_MOUSE_DEV "/dev/input/eventN" - //#define DEFAULT_GAMEPAD_DEV "/dev/input/eventN" -#endif - -#ifndef MAX_FILEPATH_LENGTH - #if defined(__linux__) - #define MAX_FILEPATH_LENGTH 4096 // Maximum length for filepaths (Linux PATH_MAX default value) - #else - #define MAX_FILEPATH_LENGTH 512 // Maximum length supported for filepaths - #endif -#endif - -#ifndef MAX_GAMEPADS - #define MAX_GAMEPADS 4 // Max number of gamepads supported -#endif -#ifndef MAX_GAMEPAD_AXIS - #define MAX_GAMEPAD_AXIS 8 // Max number of axis supported (per gamepad) -#endif -#ifndef MAX_GAMEPAD_BUTTONS - #define MAX_GAMEPAD_BUTTONS 32 // Max bumber of buttons supported (per gamepad) -#endif -#ifndef MAX_TOUCH_POINTS - #define MAX_TOUCH_POINTS 10 // Maximum number of touch points supported -#endif -#ifndef MAX_KEY_PRESSED_QUEUE - #define MAX_KEY_PRESSED_QUEUE 16 // Max number of characters in the key input queue -#endif - -#if defined(SUPPORT_DATA_STORAGE) - #ifndef STORAGE_DATA_FILE - #define STORAGE_DATA_FILE "storage.data" // Automatic storage filename - #endif -#endif - -//---------------------------------------------------------------------------------- -// Types and Structures Definition -//---------------------------------------------------------------------------------- -#if defined(PLATFORM_RPI) -typedef struct { - pthread_t threadId; // Event reading thread id - int fd; // File descriptor to the device it is assigned to - int eventNum; // Number of 'event' device - Rectangle absRange; // Range of values for absolute pointing devices (touchscreens) - int touchSlot; // Hold the touch slot number of the currently being sent multitouch block - bool isMouse; // True if device supports relative X Y movements - bool isTouch; // True if device supports absolute X Y movements and has BTN_TOUCH - bool isMultitouch; // True if device supports multiple absolute movevents and has BTN_TOUCH - bool isKeyboard; // True if device has letter keycodes - bool isGamepad; // True if device has gamepad buttons -} InputEventWorker; - -typedef struct { - int contents[8]; // Key events FIFO contents (8 positions) - char head; // Key events FIFO head position - char tail; // Key events FIFO tail position -} KeyEventFifo; -#endif - -typedef struct { int x; int y; } Point; -typedef struct { unsigned int width; unsigned int height; } Size; - -// Core global state context data -typedef struct CoreData { - struct { -#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) - GLFWwindow *handle; // Native window handle (graphic device) -#endif -#if defined(PLATFORM_RPI) - // NOTE: RPI4 does not support Dispmanx anymore, system should be redesigned - EGL_DISPMANX_WINDOW_T handle; // Native window handle (graphic device) -#endif -#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_UWP) - EGLDisplay device; // Native display device (physical screen connection) - EGLSurface surface; // Surface to draw on, framebuffers (connected to context) - EGLContext context; // Graphic context, mode in which drawing can be done - EGLConfig config; // Graphic config -#endif - unsigned int flags; // Configuration flags (bit based) - const char *title; // Window text title const pointer - bool ready; // Flag to check if window has been initialized successfully - bool minimized; // Flag to check if window has been minimized - bool focused; // Flag to check if window has been focused - bool resized; // Flag to check if window has been resized - bool fullscreen; // Flag to check if fullscreen mode required - bool alwaysRun; // Flag to keep window update/draw running on minimized - bool shouldClose; // Flag to set window for closing - - Point position; // Window position on screen (required on fullscreen toggle) - Size display; // Display width and height (monitor, device-screen, LCD, ...) - Size screen; // Screen width and height (used render area) - Size currentFbo; // Current render width and height, it could change on BeginTextureMode() - Size render; // Framebuffer width and height (render area, including black bars if required) - Point renderOffset; // Offset from render area (must be divided by 2) - Matrix screenScale; // Matrix to scale screen (framebuffer rendering) - - char **dropFilesPath; // Store dropped files paths as strings - int dropFilesCount; // Count dropped files strings - - } Window; -#if defined(PLATFORM_ANDROID) - struct { - bool appEnabled; // Flag to detect if app is active ** = true - struct android_app *app; // Android activity - struct android_poll_source *source; // Android events polling source - const char *internalDataPath; // Android internal data path to write data (/data/data//files) - bool contextRebindRequired; // Used to know context rebind required - } Android; -#endif -#if defined(PLATFORM_UWP) - struct { - const char* internalDataPath; // UWP App data path - } UWP; -#endif - struct { -#if defined(PLATFORM_RPI) - InputEventWorker eventWorker[10]; // List of worker threads for every monitored "/dev/input/event" -#endif - struct { - int exitKey; // Default exit key - char currentKeyState[512]; // Registers current frame key state - char previousKeyState[512]; // Registers previous frame key state - - int keyPressedQueue[MAX_KEY_PRESSED_QUEUE]; // Input characters queue - int keyPressedQueueCount; // Input characters queue count -#if defined(PLATFORM_RPI) - int defaultMode; // Default keyboard mode - struct termios defaultSettings; // Default keyboard settings - KeyEventFifo lastKeyPressed; // Buffer for holding keydown events as they arrive (Needed due to multitreading of event workers) -#endif - } Keyboard; - struct { - Vector2 position; // Mouse position on screen - Vector2 offset; // Mouse offset - Vector2 scale; // Mouse scaling - - bool cursorHidden; // Track if cursor is hidden - bool cursorOnScreen; // Tracks if cursor is inside client area -#if defined(PLATFORM_WEB) - bool cursorLockRequired; // Ask for cursor pointer lock on next click -#endif - char currentButtonState[3]; // Registers current mouse button state - char previousButtonState[3]; // Registers previous mouse button state - int currentWheelMove; // Registers current mouse wheel variation - int previousWheelMove; // Registers previous mouse wheel variation -#if defined(PLATFORM_RPI) - char currentButtonStateEvdev[3]; // Holds the new mouse state for the next polling event to grab (Can't be written directly due to multithreading, app could miss the update) -#endif - } Mouse; - struct { - Vector2 position[MAX_TOUCH_POINTS]; // Touch position on screen - char currentTouchState[MAX_TOUCH_POINTS]; // Registers current touch state - char previousTouchState[MAX_TOUCH_POINTS]; // Registers previous touch state - } Touch; - struct { - int lastButtonPressed; // Register last gamepad button pressed - int axisCount; // Register number of available gamepad axis -#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_RPI) || defined(PLATFORM_WEB) || defined(PLATFORM_UWP) - bool ready[MAX_GAMEPADS]; // Flag to know if gamepad is ready - float axisState[MAX_GAMEPADS][MAX_GAMEPAD_AXIS]; // Gamepad axis state - char currentState[MAX_GAMEPADS][MAX_GAMEPAD_BUTTONS]; // Current gamepad buttons state - char previousState[MAX_GAMEPADS][MAX_GAMEPAD_BUTTONS]; // Previous gamepad buttons state -#endif -#if defined(PLATFORM_RPI) - pthread_t threadId; // Gamepad reading thread id - int streamId[MAX_GAMEPADS]; // Gamepad device file descriptor - char name[64]; // Gamepad name holder -#endif - } Gamepad; - } Input; - struct { - double current; // Current time measure - double previous; // Previous time measure - double update; // Time measure for frame update - double draw; // Time measure for frame draw - double frame; // Time measure for one frame - double target; // Desired time for one frame, if 0 not applied -#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_UWP) - unsigned long long base; // Base time measure for hi-res timer -#endif - } Time; -} CoreData; - -//---------------------------------------------------------------------------------- -// Global Variables Definition -//---------------------------------------------------------------------------------- -static CoreData CORE = { 0 }; // Global CORE state context - -static char **dirFilesPath = NULL; // Store directory files paths as strings -static int dirFilesCount = 0; // Count directory files strings - -#if defined(SUPPORT_SCREEN_CAPTURE) -static int screenshotCounter = 0; // Screenshots counter -#endif - -#if defined(SUPPORT_GIF_RECORDING) -static int gifFramesCounter = 0; // GIF frames counter -static bool gifRecording = false; // GIF recording state -#endif -//----------------------------------------------------------------------------------- - -//---------------------------------------------------------------------------------- -// Other Modules Functions Declaration (required by core) -//---------------------------------------------------------------------------------- -#if defined(SUPPORT_DEFAULT_FONT) -extern void LoadFontDefault(void); // [Module: text] Loads default font on InitWindow() -extern void UnloadFontDefault(void); // [Module: text] Unloads default font from GPU memory -#endif - -//---------------------------------------------------------------------------------- -// Module specific Functions Declaration -//---------------------------------------------------------------------------------- -static bool InitGraphicsDevice(int width, int height); // Initialize graphics device -static void SetupFramebuffer(int width, int height); // Setup main framebuffer -static void SetupViewport(int width, int height); // Set viewport for a provided width and height -static void SwapBuffers(void); // Copy back buffer to front buffers - -static void InitTimer(void); // Initialize timer -static void Wait(float ms); // Wait for some milliseconds (stop program execution) - -static int GetGamepadButton(int button); // Get gamepad button generic to all platforms -static void PollInputEvents(void); // Register user events - -#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) -static void ErrorCallback(int error, const char *description); // GLFW3 Error Callback, runs on GLFW3 error -static void KeyCallback(GLFWwindow *window, int key, int scancode, int action, int mods); // GLFW3 Keyboard Callback, runs on key pressed -static void MouseButtonCallback(GLFWwindow *window, int button, int action, int mods); // GLFW3 Mouse Button Callback, runs on mouse button pressed -static void MouseCursorPosCallback(GLFWwindow *window, double x, double y); // GLFW3 Cursor Position Callback, runs on mouse move -static void CharCallback(GLFWwindow *window, unsigned int key); // GLFW3 Char Key Callback, runs on key pressed (get char value) -static void ScrollCallback(GLFWwindow *window, double xoffset, double yoffset); // GLFW3 Srolling Callback, runs on mouse wheel -static void CursorEnterCallback(GLFWwindow *window, int enter); // GLFW3 Cursor Enter Callback, cursor enters client area -static void WindowSizeCallback(GLFWwindow *window, int width, int height); // GLFW3 WindowSize Callback, runs when window is resized -static void WindowIconifyCallback(GLFWwindow *window, int iconified); // GLFW3 WindowIconify Callback, runs when window is minimized/restored -static void WindowFocusCallback(GLFWwindow *window, int focused); // GLFW3 WindowFocus Callback, runs when window get/lose focus -static void WindowDropCallback(GLFWwindow *window, int count, const char **paths); // GLFW3 Window Drop Callback, runs when drop files into window -#endif - -#if defined(PLATFORM_ANDROID) -static void AndroidCommandCallback(struct android_app *app, int32_t cmd); // Process Android activity lifecycle commands -static int32_t AndroidInputCallback(struct android_app *app, AInputEvent *event); // Process Android inputs -#endif - -#if defined(PLATFORM_WEB) -static EM_BOOL EmscriptenFullscreenChangeCallback(int eventType, const EmscriptenFullscreenChangeEvent *event, void *userData); -static EM_BOOL EmscriptenWindowResizedCallback(int eventType, const void *reserved, void *userData); -static EM_BOOL EmscriptenKeyboardCallback(int eventType, const EmscriptenKeyboardEvent *keyEvent, void *userData); -static EM_BOOL EmscriptenMouseCallback(int eventType, const EmscriptenMouseEvent *mouseEvent, void *userData); -static EM_BOOL EmscriptenTouchCallback(int eventType, const EmscriptenTouchEvent *touchEvent, void *userData); -static EM_BOOL EmscriptenGamepadCallback(int eventType, const EmscriptenGamepadEvent *gamepadEvent, void *userData); -#endif - -#if defined(PLATFORM_RPI) -#if defined(SUPPORT_SSH_KEYBOARD_RPI) -static void InitKeyboard(void); // Init raw keyboard system (standard input reading) -static void ProcessKeyboard(void); // Process keyboard events -static void RestoreKeyboard(void); // Restore keyboard system -#else -static void InitTerminal(void); // Init terminal (block echo and signal short cuts) -static void RestoreTerminal(void); // Restore terminal -#endif - -static void InitEvdevInput(void); // Evdev inputs initialization -static void EventThreadSpawn(char *device); // Identifies a input device and spawns a thread to handle it if needed -static void *EventThread(void *arg); // Input device events reading thread - -static void InitGamepad(void); // Init raw gamepad input -static void *GamepadThread(void *arg); // Mouse reading thread -#endif // PLATFORM_RPI - -#if defined(_WIN32) - // NOTE: We include Sleep() function signature here to avoid windows.h inclusion - void __stdcall Sleep(unsigned long msTimeout); // Required for Wait() -#endif - -//---------------------------------------------------------------------------------- -// Module Functions Definition - Window and OpenGL Context Functions -//---------------------------------------------------------------------------------- - -#if defined(PLATFORM_ANDROID) -// To allow easier porting to android, we allow the user to define a -// main function which we call from android_main, defined by ourselves -extern int main(int argc, char *argv[]); - -void android_main(struct android_app *app) -{ - char arg0[] = "raylib"; // NOTE: argv[] are mutable - CORE.Android.app = app; - - // TODO: Should we maybe report != 0 return codes somewhere? - (void)main(1, (char *[]) { arg0, NULL }); -} - -// TODO: Add this to header (if apps really need it) -struct android_app *GetAndroidApp(void) -{ - return CORE.Android.app; -} -#endif -#if defined(PLATFORM_RPI) && !defined(SUPPORT_SSH_KEYBOARD_RPI) -// Init terminal (block echo and signal short cuts) -static void InitTerminal(void) -{ - TRACELOG(LOG_INFO, "RPI: Reconfiguring terminal..."); - - // Save terminal keyboard settings and reconfigure terminal with new settings - struct termios keyboardNewSettings; - tcgetattr(STDIN_FILENO, &CORE.Input.Keyboard.defaultSettings); // Get current keyboard settings - keyboardNewSettings = CORE.Input.Keyboard.defaultSettings; - - // New terminal settings for keyboard: turn off buffering (non-canonical mode), echo - // NOTE: ISIG controls if ^C and ^Z generate break signals or not - keyboardNewSettings.c_lflag &= ~(ICANON | ECHO | ISIG); - keyboardNewSettings.c_cc[VMIN] = 1; - keyboardNewSettings.c_cc[VTIME] = 0; - - // Set new keyboard settings (change occurs immediately) - tcsetattr(STDIN_FILENO, TCSANOW, &keyboardNewSettings); - - // Save old keyboard mode to restore it at the end - if (ioctl(STDIN_FILENO, KDGKBMODE, &CORE.Input.Keyboard.defaultMode) < 0) - { - // NOTE: It could mean we are using a remote keyboard through ssh or from the desktop - TRACELOG(LOG_WARNING, "RPI: Failed to change keyboard mode (not a local terminal)"); - } - else ioctl(STDIN_FILENO, KDSKBMODE, K_XLATE); - - // Register terminal restore when program finishes - atexit(RestoreTerminal); -} -// Restore terminal -static void RestoreTerminal(void) -{ - TRACELOG(LOG_INFO, "RPI: Restoring terminal..."); - - // Reset to default keyboard settings - tcsetattr(STDIN_FILENO, TCSANOW, &CORE.Input.Keyboard.defaultSettings); - - // Reconfigure keyboard to default mode - ioctl(STDIN_FILENO, KDSKBMODE, CORE.Input.Keyboard.defaultMode); -} -#endif -// Initialize window and OpenGL context -// NOTE: data parameter could be used to pass any kind of required data to the initialization -void InitWindow(int width, int height, const char *title) -{ -#if defined(PLATFORM_UWP) - if (!UWPIsConfigured()) - { - TRACELOG(LOG_ERROR, "UWP Functions have not been set yet, please set these before initializing raylib!"); - return; - } -#endif - - TRACELOG(LOG_INFO, "Initializing raylib %s", RAYLIB_VERSION); - - CORE.Window.title = title; - - // Initialize required global values different than 0 - CORE.Input.Keyboard.exitKey = KEY_ESCAPE; - CORE.Input.Mouse.scale = (Vector2){ 1.0f, 1.0f }; - CORE.Input.Gamepad.lastButtonPressed = -1; - -#if defined(PLATFORM_UWP) - // The axis count is 6 (2 thumbsticks and left and right trigger) - CORE.Input.Gamepad.axisCount = 6; -#endif - -#if defined(PLATFORM_ANDROID) - CORE.Window.screen.width = width; - CORE.Window.screen.height = height; - CORE.Window.currentFbo.width = width; - CORE.Window.currentFbo.height = height; - - // Input data is android app pointer - CORE.Android.internalDataPath = CORE.Android.app->activity->internalDataPath; - - // Set desired windows flags before initializing anything - ANativeActivity_setWindowFlags(CORE.Android.app->activity, AWINDOW_FLAG_FULLSCREEN, 0); //AWINDOW_FLAG_SCALED, AWINDOW_FLAG_DITHER - - int orientation = AConfiguration_getOrientation(CORE.Android.app->config); - - if (orientation == ACONFIGURATION_ORIENTATION_PORT) TRACELOG(LOG_INFO, "ANDROID: Window orientation set as portrait"); - else if (orientation == ACONFIGURATION_ORIENTATION_LAND) TRACELOG(LOG_INFO, "ANDROID: Window orientation set as landscape"); - - // TODO: Automatic orientation doesn't seem to work - if (width <= height) - { - AConfiguration_setOrientation(CORE.Android.app->config, ACONFIGURATION_ORIENTATION_PORT); - TRACELOG(LOG_WARNING, "ANDROID: Window orientation changed to portrait"); - } - else - { - AConfiguration_setOrientation(CORE.Android.app->config, ACONFIGURATION_ORIENTATION_LAND); - TRACELOG(LOG_WARNING, "ANDROID: Window orientation changed to landscape"); - } - - //AConfiguration_getDensity(CORE.Android.app->config); - //AConfiguration_getKeyboard(CORE.Android.app->config); - //AConfiguration_getScreenSize(CORE.Android.app->config); - //AConfiguration_getScreenLong(CORE.Android.app->config); - - CORE.Android.app->onAppCmd = AndroidCommandCallback; - CORE.Android.app->onInputEvent = AndroidInputCallback; - - InitAssetManager(CORE.Android.app->activity->assetManager, CORE.Android.app->activity->internalDataPath); - - TRACELOG(LOG_INFO, "ANDROID: App initialized successfully"); - - // Android ALooper_pollAll() variables - int pollResult = 0; - int pollEvents = 0; - - // Wait for window to be initialized (display and context) - while (!CORE.Window.ready) - { - // Process events loop - while ((pollResult = ALooper_pollAll(0, NULL, &pollEvents, (void**)&CORE.Android.source)) >= 0) - { - // Process this event - if (CORE.Android.source != NULL) CORE.Android.source->process(CORE.Android.app, CORE.Android.source); - - // NOTE: Never close window, native activity is controlled by the system! - //if (CORE.Android.app->destroyRequested != 0) CORE.Window.shouldClose = true; - } - } -#else - // Init graphics device (display device and OpenGL context) - // NOTE: returns true if window and graphic device has been initialized successfully - CORE.Window.ready = InitGraphicsDevice(width, height); - - if (!CORE.Window.ready) return; - else CORE.Window.focused = true; - - // Init hi-res timer - InitTimer(); - -#if defined(SUPPORT_DEFAULT_FONT) - // Load default font - // NOTE: External functions (defined in module: text) - LoadFontDefault(); - Rectangle rec = GetFontDefault().recs[95]; - // NOTE: We setup a 1px padding on char rectangle to avoid pixel bleeding on MSAA filtering - SetShapesTexture(GetFontDefault().texture, (Rectangle){ rec.x + 1, rec.y + 1, rec.width - 2, rec.height - 2 }); -#endif -#if defined(PLATFORM_DESKTOP) && defined(SUPPORT_HIGH_DPI) - // Set default font texture filter for HighDPI (blurry) - SetTextureFilter(GetFontDefault().texture, FILTER_BILINEAR); -#endif - -#if defined(PLATFORM_RPI) - // Init raw input system - InitEvdevInput(); // Evdev inputs initialization - InitGamepad(); // Gamepad init -#if defined(SUPPORT_SSH_KEYBOARD_RPI) - InitKeyboard(); // Keyboard init -#else - InitTerminal(); // Terminal init -#endif -#endif - -#if defined(PLATFORM_WEB) - // Detect fullscreen change events - emscripten_set_fullscreenchange_callback("#canvas", NULL, 1, EmscriptenFullscreenChangeCallback); - - // Support keyboard events - //emscripten_set_keypress_callback("#canvas", NULL, 1, EmscriptenKeyboardCallback); - emscripten_set_keydown_callback("#canvas", NULL, 1, EmscriptenKeyboardCallback); - - // Support mouse events - emscripten_set_click_callback("#canvas", NULL, 1, EmscriptenMouseCallback); - - // Support touch events - emscripten_set_touchstart_callback("#canvas", NULL, 1, EmscriptenTouchCallback); - emscripten_set_touchend_callback("#canvas", NULL, 1, EmscriptenTouchCallback); - emscripten_set_touchmove_callback("#canvas", NULL, 1, EmscriptenTouchCallback); - emscripten_set_touchcancel_callback("#canvas", NULL, 1, EmscriptenTouchCallback); - - // Support gamepad events (not provided by GLFW3 on emscripten) - emscripten_set_gamepadconnected_callback(NULL, 1, EmscriptenGamepadCallback); - emscripten_set_gamepaddisconnected_callback(NULL, 1, EmscriptenGamepadCallback); -#endif - - CORE.Input.Mouse.position.x = (float)CORE.Window.screen.width/2.0f; - CORE.Input.Mouse.position.y = (float)CORE.Window.screen.height/2.0f; -#endif // PLATFORM_ANDROID -} - -// Close window and unload OpenGL context -void CloseWindow(void) -{ -#if defined(SUPPORT_GIF_RECORDING) - if (gifRecording) - { - GifEnd(); - gifRecording = false; - } -#endif - -#if defined(SUPPORT_DEFAULT_FONT) - UnloadFontDefault(); -#endif - - rlglClose(); // De-init rlgl - -#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) - glfwDestroyWindow(CORE.Window.handle); - glfwTerminate(); -#endif - -#if !defined(SUPPORT_BUSY_WAIT_LOOP) && defined(_WIN32) && !defined(PLATFORM_UWP) - timeEndPeriod(1); // Restore time period -#endif - -#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_UWP) - // Close surface, context and display - if (CORE.Window.device != EGL_NO_DISPLAY) - { - eglMakeCurrent(CORE.Window.device, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); - - if (CORE.Window.surface != EGL_NO_SURFACE) - { - eglDestroySurface(CORE.Window.device, CORE.Window.surface); - CORE.Window.surface = EGL_NO_SURFACE; - } - - if (CORE.Window.context != EGL_NO_CONTEXT) - { - eglDestroyContext(CORE.Window.device, CORE.Window.context); - CORE.Window.context = EGL_NO_CONTEXT; - } - - eglTerminate(CORE.Window.device); - CORE.Window.device = EGL_NO_DISPLAY; - } -#endif - -#if defined(PLATFORM_RPI) - // Wait for mouse and gamepad threads to finish before closing - // NOTE: Those threads should already have finished at this point - // because they are controlled by CORE.Window.shouldClose variable - - CORE.Window.shouldClose = true; // Added to force threads to exit when the close window is called - - for (int i = 0; i < sizeof(CORE.Input.eventWorker)/sizeof(InputEventWorker); ++i) - { - if (CORE.Input.eventWorker[i].threadId) - { - pthread_join(CORE.Input.eventWorker[i].threadId, NULL); - } - } - - if (CORE.Input.Gamepad.threadId) pthread_join(CORE.Input.Gamepad.threadId, NULL); -#endif - - TRACELOG(LOG_INFO, "Window closed successfully"); -} - -// Check if window has been initialized successfully -bool IsWindowReady(void) -{ - return CORE.Window.ready; -} - -// Check if KEY_ESCAPE pressed or Close icon pressed -bool WindowShouldClose(void) -{ -#if defined(PLATFORM_WEB) - // Emterpreter-Async required to run sync code - // https://github.com/emscripten-core/emscripten/wiki/Emterpreter#emterpreter-async-run-synchronous-code - // By default, this function is never called on a web-ready raylib example because we encapsulate - // frame code in a UpdateDrawFrame() function, to allow browser manage execution asynchronously - // but now emscripten allows sync code to be executed in an interpreted way, using emterpreter! - emscripten_sleep(16); - return false; -#endif - -#if defined(PLATFORM_DESKTOP) - if (CORE.Window.ready) - { - // While window minimized, stop loop execution - while (!CORE.Window.alwaysRun && CORE.Window.minimized) glfwWaitEvents(); - - CORE.Window.shouldClose = glfwWindowShouldClose(CORE.Window.handle); - - return CORE.Window.shouldClose; - } - else return true; -#endif - -#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_UWP) - if (CORE.Window.ready) return CORE.Window.shouldClose; - else return true; -#endif -} - -// Check if window has been minimized -bool IsWindowMinimized(void) -{ -#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) || defined(PLATFORM_UWP) - return CORE.Window.minimized; -#else - return false; -#endif -} - -// Check if window has the focus -bool IsWindowFocused(void) -{ -#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) || defined(PLATFORM_UWP) - return CORE.Window.focused; -#else - return false; -#endif -} - -// Check if window has been resized -bool IsWindowResized(void) -{ -#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) || defined(PLATFORM_UWP) - return CORE.Window.resized; -#else - return false; -#endif -} - -// Check if window is currently hidden -bool IsWindowHidden(void) -{ -#if defined(PLATFORM_DESKTOP) - return (glfwGetWindowAttrib(CORE.Window.handle, GLFW_VISIBLE) == GLFW_FALSE); -#endif - return false; -} - -// Check if window is currently fullscreen -bool IsWindowFullscreen(void) -{ - return CORE.Window.fullscreen; -} - -// Toggle fullscreen mode (only PLATFORM_DESKTOP) -void ToggleFullscreen(void) -{ -#if defined(PLATFORM_DESKTOP) - // NOTE: glfwSetWindowMonitor() doesn't work properly (bugs) - if (!CORE.Window.fullscreen) - { - // Store previous window position (in case we exit fullscreen) - glfwGetWindowPos(CORE.Window.handle, &CORE.Window.position.x, &CORE.Window.position.y); - - GLFWmonitor *monitor = glfwGetPrimaryMonitor(); - if (!monitor) - { - TRACELOG(LOG_WARNING, "GLFW: Failed to get monitor"); - glfwSetWindowMonitor(CORE.Window.handle, glfwGetPrimaryMonitor(), 0, 0, CORE.Window.screen.width, CORE.Window.screen.height, GLFW_DONT_CARE); - return; - } - - const GLFWvidmode *mode = glfwGetVideoMode(monitor); - glfwSetWindowMonitor(CORE.Window.handle, glfwGetPrimaryMonitor(), 0, 0, CORE.Window.screen.width, CORE.Window.screen.height, mode->refreshRate); - - // Try to enable GPU V-Sync, so frames are limited to screen refresh rate (60Hz -> 60 FPS) - // NOTE: V-Sync can be enabled by graphic driver configuration - if (CORE.Window.flags & FLAG_VSYNC_HINT) glfwSwapInterval(1); - } - else glfwSetWindowMonitor(CORE.Window.handle, NULL, CORE.Window.position.x, CORE.Window.position.y, CORE.Window.screen.width, CORE.Window.screen.height, GLFW_DONT_CARE); - - CORE.Window.fullscreen = !CORE.Window.fullscreen; // Toggle fullscreen flag -#endif -#if defined(PLATFORM_WEB) - /* - EM_ASM( - if (document.fullscreenElement) document.exitFullscreen(); - else Module.requestFullscreen(true, true); - ); - */ - - //EM_ASM(Module.requestFullscreen(false, false);); - - /* - if (!CORE.Window.fullscreen) - { - //https://github.com/emscripten-core/emscripten/issues/5124 - EmscriptenFullscreenStrategy strategy = { - .scaleMode = EMSCRIPTEN_FULLSCREEN_SCALE_STRETCH, //EMSCRIPTEN_FULLSCREEN_SCALE_ASPECT, - .canvasResolutionScaleMode = EMSCRIPTEN_FULLSCREEN_CANVAS_SCALE_STDDEF, - .filteringMode = EMSCRIPTEN_FULLSCREEN_FILTERING_DEFAULT, - .canvasResizedCallback = EmscriptenWindowResizedCallback, //on_canvassize_changed, - .canvasResizedCallbackUserData = NULL - }; - - emscripten_request_fullscreen("#canvas", false); - //emscripten_request_fullscreen_strategy("#canvas", EM_FALSE, &strategy); - //emscripten_enter_soft_fullscreen("canvas", &strategy); - TRACELOG(LOG_INFO, "emscripten_request_fullscreen_strategy"); - } - else - { - TRACELOG(LOG_INFO, "emscripten_exit_fullscreen"); - emscripten_exit_fullscreen(); - } - */ -#endif -#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) - TRACELOG(LOG_WARNING, "SYSTEM: Failed to toggle to windowed mode"); -#endif - - CORE.Window.fullscreen = !CORE.Window.fullscreen; // Toggle fullscreen flag -} - -// Set icon for window (only PLATFORM_DESKTOP) -// NOTE: Image must be in RGBA format, 8bit per channel -void SetWindowIcon(Image image) -{ -#if defined(PLATFORM_DESKTOP) - if (image.format == UNCOMPRESSED_R8G8B8A8) - { - GLFWimage icon[1] = { 0 }; - - icon[0].width = image.width; - icon[0].height = image.height; - icon[0].pixels = (unsigned char *)image.data; - - // NOTE 1: We only support one image icon - // NOTE 2: The specified image data is copied before this function returns - glfwSetWindowIcon(CORE.Window.handle, 1, icon); - } - else TRACELOG(LOG_WARNING, "GLFW: Window icon image must be in R8G8B8A8 pixel format"); -#endif -} - -// Set title for window (only PLATFORM_DESKTOP) -void SetWindowTitle(const char *title) -{ - CORE.Window.title = title; -#if defined(PLATFORM_DESKTOP) - glfwSetWindowTitle(CORE.Window.handle, title); -#endif -} - -// Set window position on screen (windowed mode) -void SetWindowPosition(int x, int y) -{ -#if defined(PLATFORM_DESKTOP) - glfwSetWindowPos(CORE.Window.handle, x, y); -#endif -} - -// Set monitor for the current window (fullscreen mode) -void SetWindowMonitor(int monitor) -{ -#if defined(PLATFORM_DESKTOP) - int monitorCount = 0; - GLFWmonitor **monitors = glfwGetMonitors(&monitorCount); - - if ((monitor >= 0) && (monitor < monitorCount)) - { - TRACELOG(LOG_INFO, "GLFW: Selected fullscreen monitor: [%i] %s", monitor, glfwGetMonitorName(monitors[monitor])); - - const GLFWvidmode *mode = glfwGetVideoMode(monitors[monitor]); - glfwSetWindowMonitor(CORE.Window.handle, monitors[monitor], 0, 0, mode->width, mode->height, mode->refreshRate); - } - else TRACELOG(LOG_WARNING, "GLFW: Failed to find selected monitor"); -#endif -} - -// Set window minimum dimensions (FLAG_WINDOW_RESIZABLE) -void SetWindowMinSize(int width, int height) -{ -#if defined(PLATFORM_DESKTOP) - const GLFWvidmode *mode = glfwGetVideoMode(glfwGetPrimaryMonitor()); - glfwSetWindowSizeLimits(CORE.Window.handle, width, height, mode->width, mode->height); -#endif -} - -// Set window dimensions -// TODO: Issues on HighDPI scaling -void SetWindowSize(int width, int height) -{ -#if defined(PLATFORM_DESKTOP) - glfwSetWindowSize(CORE.Window.handle, width, height); -#endif -#if defined(PLATFORM_WEB) - emscripten_set_canvas_size(width, height); // DEPRECATED! - - // TODO: Below functions should be used to replace previous one but - // they do not seem to work properly - //emscripten_set_canvas_element_size("canvas", width, height); - //emscripten_set_element_css_size("canvas", width, height); -#endif -} - -// Show the window -void UnhideWindow(void) -{ -#if defined(PLATFORM_DESKTOP) - glfwShowWindow(CORE.Window.handle); -#endif -} - -// Hide the window -void HideWindow(void) -{ -#if defined(PLATFORM_DESKTOP) - glfwHideWindow(CORE.Window.handle); -#endif -} - -// Get current screen width -int GetScreenWidth(void) -{ - return CORE.Window.screen.width; -} - -// Get current screen height -int GetScreenHeight(void) -{ - return CORE.Window.screen.height; -} - -// Get native window handle -void *GetWindowHandle(void) -{ -#if defined(PLATFORM_DESKTOP) && defined(_WIN32) - // NOTE: Returned handle is: void *HWND (windows.h) - return glfwGetWin32Window(CORE.Window.handle); -#elif defined(__linux__) - // NOTE: Returned handle is: unsigned long Window (X.h) - // typedef unsigned long XID; - // typedef XID Window; - //unsigned long id = (unsigned long)glfwGetX11Window(window); - return NULL; // TODO: Find a way to return value... cast to void *? -#elif defined(__APPLE__) - // NOTE: Returned handle is: (objc_object *) - return NULL; // TODO: return (void *)glfwGetCocoaWindow(window); -#else - return NULL; -#endif -} - -// Get number of monitors -int GetMonitorCount(void) -{ -#if defined(PLATFORM_DESKTOP) - int monitorCount; - glfwGetMonitors(&monitorCount); - return monitorCount; -#else - return 1; -#endif -} - -// Get primary monitor width -int GetMonitorWidth(int monitor) -{ -#if defined(PLATFORM_DESKTOP) - int monitorCount; - GLFWmonitor **monitors = glfwGetMonitors(&monitorCount); - - if ((monitor >= 0) && (monitor < monitorCount)) - { - const GLFWvidmode *mode = glfwGetVideoMode(monitors[monitor]); - return mode->width; - } - else TRACELOG(LOG_WARNING, "GLFW: Failed to find selected monitor"); -#endif - return 0; -} - -// Get primary monitor width -int GetMonitorHeight(int monitor) -{ -#if defined(PLATFORM_DESKTOP) - int monitorCount; - GLFWmonitor **monitors = glfwGetMonitors(&monitorCount); - - if ((monitor >= 0) && (monitor < monitorCount)) - { - const GLFWvidmode *mode = glfwGetVideoMode(monitors[monitor]); - return mode->height; - } - else TRACELOG(LOG_WARNING, "GLFW: Failed to find selected monitor"); -#endif - return 0; -} - -// Get primary montior physical width in millimetres -int GetMonitorPhysicalWidth(int monitor) -{ -#if defined(PLATFORM_DESKTOP) - int monitorCount; - GLFWmonitor **monitors = glfwGetMonitors(&monitorCount); - - if ((monitor >= 0) && (monitor < monitorCount)) - { - int physicalWidth; - glfwGetMonitorPhysicalSize(monitors[monitor], &physicalWidth, NULL); - return physicalWidth; - } - else TRACELOG(LOG_WARNING, "GLFW: Failed to find selected monitor"); -#endif - return 0; -} - -// Get primary monitor physical height in millimetres -int GetMonitorPhysicalHeight(int monitor) -{ -#if defined(PLATFORM_DESKTOP) - int monitorCount; - GLFWmonitor **monitors = glfwGetMonitors(&monitorCount); - - if ((monitor >= 0) && (monitor < monitorCount)) - { - int physicalHeight; - glfwGetMonitorPhysicalSize(monitors[monitor], NULL, &physicalHeight); - return physicalHeight; - } - else TRACELOG(LOG_WARNING, "GLFW: Failed to find selected monitor"); -#endif - return 0; -} - -// Get window position XY on monitor -Vector2 GetWindowPosition(void) -{ - int x = 0; - int y = 0; -#if defined(PLATFORM_DESKTOP) - glfwGetWindowPos(CORE.Window.handle, &x, &y); -#endif - return (Vector2){ (float)x, (float)y }; -} - -// Get window scale DPI factor -Vector2 GetWindowScaleDPI(void) -{ - Vector2 scale = { 1.0f, 1.0f }; - -#if defined(PLATFORM_DESKTOP) - GLFWmonitor *monitor = glfwGetPrimaryMonitor(); - - if (monitor != NULL) glfwGetMonitorContentScale(monitor, &scale.x, &scale.y); - else TRACELOG(LOG_WARNING, "GLFW: Failed to get primary monitor"); -#endif - - return scale; -} - -// Get the human-readable, UTF-8 encoded name of the primary monitor -const char *GetMonitorName(int monitor) -{ -#if defined(PLATFORM_DESKTOP) - int monitorCount; - GLFWmonitor **monitors = glfwGetMonitors(&monitorCount); - - if ((monitor >= 0) && (monitor < monitorCount)) - { - return glfwGetMonitorName(monitors[monitor]); - } - else TRACELOG(LOG_WARNING, "GLFW: Failed to find selected monitor"); -#endif - return ""; -} - -// Get clipboard text content -// NOTE: returned string is allocated and freed by GLFW -const char *GetClipboardText(void) -{ -#if defined(PLATFORM_DESKTOP) - return glfwGetClipboardString(CORE.Window.handle); -#else - return NULL; -#endif -} - -// Set clipboard text content -void SetClipboardText(const char *text) -{ -#if defined(PLATFORM_DESKTOP) - glfwSetClipboardString(CORE.Window.handle, text); -#endif -} - -// Show mouse cursor -void ShowCursor(void) -{ -#if defined(PLATFORM_DESKTOP) - glfwSetInputMode(CORE.Window.handle, GLFW_CURSOR, GLFW_CURSOR_NORMAL); -#endif -#if defined(PLATFORM_UWP) - UWPGetMouseShowFunc()(); -#endif - CORE.Input.Mouse.cursorHidden = false; -} - -// Hides mouse cursor -void HideCursor(void) -{ -#if defined(PLATFORM_DESKTOP) - glfwSetInputMode(CORE.Window.handle, GLFW_CURSOR, GLFW_CURSOR_HIDDEN); -#endif -#if defined(PLATFORM_UWP) - UWPGetMouseHideFunc()(); -#endif - CORE.Input.Mouse.cursorHidden = true; -} - -// Check if cursor is not visible -bool IsCursorHidden(void) -{ - return CORE.Input.Mouse.cursorHidden; -} - -// Enables cursor (unlock cursor) -void EnableCursor(void) -{ -#if defined(PLATFORM_DESKTOP) - glfwSetInputMode(CORE.Window.handle, GLFW_CURSOR, GLFW_CURSOR_NORMAL); -#endif -#if defined(PLATFORM_WEB) - CORE.Input.Mouse.cursorLockRequired = true; -#endif -#if defined(PLATFORM_UWP) - UWPGetMouseUnlockFunc()(); -#endif - CORE.Input.Mouse.cursorHidden = false; -} - -// Disables cursor (lock cursor) -void DisableCursor(void) -{ -#if defined(PLATFORM_DESKTOP) - glfwSetInputMode(CORE.Window.handle, GLFW_CURSOR, GLFW_CURSOR_DISABLED); -#endif -#if defined(PLATFORM_WEB) - CORE.Input.Mouse.cursorLockRequired = true; -#endif -#if defined(PLATFORM_UWP) - UWPGetMouseLockFunc()(); -#endif - CORE.Input.Mouse.cursorHidden = true; -} - -// Check if cursor is on the current screen. -bool IsCursorOnScreen(void) -{ - return CORE.Input.Mouse.cursorOnScreen; -} - -// Set background color (framebuffer clear color) -void ClearBackground(Color color) -{ - rlClearColor(color.r, color.g, color.b, color.a); // Set clear color - rlClearScreenBuffers(); // Clear current framebuffers -} - -// Setup canvas (framebuffer) to start drawing -void BeginDrawing(void) -{ - CORE.Time.current = GetTime(); // Number of elapsed seconds since InitTimer() - CORE.Time.update = CORE.Time.current - CORE.Time.previous; - CORE.Time.previous = CORE.Time.current; - - rlLoadIdentity(); // Reset current matrix (modelview) - rlMultMatrixf(MatrixToFloat(CORE.Window.screenScale)); // Apply screen scaling - - //rlTranslatef(0.375, 0.375, 0); // HACK to have 2D pixel-perfect drawing on OpenGL 1.1 - // NOTE: Not required with OpenGL 3.3+ -} - -// End canvas drawing and swap buffers (double buffering) -void EndDrawing(void) -{ -#if defined(PLATFORM_RPI) && defined(SUPPORT_MOUSE_CURSOR_RPI) - // On RPI native mode we have no system mouse cursor, so, - // we draw a small rectangle for user reference - DrawRectangle(CORE.Input.Mouse.position.x, CORE.Input.Mouse.position.y, 3, 3, MAROON); -#endif - - rlglDraw(); // Draw Buffers (Only OpenGL 3+ and ES2) - -#if defined(SUPPORT_GIF_RECORDING) - #define GIF_RECORD_FRAMERATE 10 - - if (gifRecording) - { - gifFramesCounter++; - - // NOTE: We record one gif frame every 10 game frames - if ((gifFramesCounter%GIF_RECORD_FRAMERATE) == 0) - { - // Get image data for the current frame (from backbuffer) - // NOTE: This process is very slow... :( - unsigned char *screenData = rlReadScreenPixels(CORE.Window.screen.width, CORE.Window.screen.height); - GifWriteFrame(screenData, CORE.Window.screen.width, CORE.Window.screen.height, 10, 8, false); - - RL_FREE(screenData); // Free image data - } - - if (((gifFramesCounter/15)%2) == 1) - { - DrawCircle(30, CORE.Window.screen.height - 20, 10, RED); - DrawText("RECORDING", 50, CORE.Window.screen.height - 25, 10, MAROON); - } - - rlglDraw(); // Draw RECORDING message - } -#endif - - SwapBuffers(); // Copy back buffer to front buffer - PollInputEvents(); // Poll user events - - // Frame time control system - CORE.Time.current = GetTime(); - CORE.Time.draw = CORE.Time.current - CORE.Time.previous; - CORE.Time.previous = CORE.Time.current; - - CORE.Time.frame = CORE.Time.update + CORE.Time.draw; - - // Wait for some milliseconds... - if (CORE.Time.frame < CORE.Time.target) - { - Wait((float)(CORE.Time.target - CORE.Time.frame)*1000.0f); - - CORE.Time.current = GetTime(); - double waitTime = CORE.Time.current - CORE.Time.previous; - CORE.Time.previous = CORE.Time.current; - - CORE.Time.frame += waitTime; // Total frame time: update + draw + wait - } -} - -// Initialize 2D mode with custom camera (2D) -void BeginMode2D(Camera2D camera) -{ - rlglDraw(); // Draw Buffers (Only OpenGL 3+ and ES2) - - rlLoadIdentity(); // Reset current matrix (modelview) - - // Apply 2d camera transformation to modelview - rlMultMatrixf(MatrixToFloat(GetCameraMatrix2D(camera))); - - // Apply screen scaling if required - rlMultMatrixf(MatrixToFloat(CORE.Window.screenScale)); -} - -// Ends 2D mode with custom camera -void EndMode2D(void) -{ - rlglDraw(); // Draw Buffers (Only OpenGL 3+ and ES2) - - rlLoadIdentity(); // Reset current matrix (modelview) - rlMultMatrixf(MatrixToFloat(CORE.Window.screenScale)); // Apply screen scaling if required -} - -// Initializes 3D mode with custom camera (3D) -void BeginMode3D(Camera3D camera) -{ - rlglDraw(); // Draw Buffers (Only OpenGL 3+ and ES2) - - rlMatrixMode(RL_PROJECTION); // Switch to projection matrix - rlPushMatrix(); // Save previous matrix, which contains the settings for the 2d ortho projection - rlLoadIdentity(); // Reset current matrix (projection) - - float aspect = (float)CORE.Window.currentFbo.width/(float)CORE.Window.currentFbo.height; - - if (camera.type == CAMERA_PERSPECTIVE) - { - // Setup perspective projection - double top = 0.01*tan(camera.fovy*0.5*DEG2RAD); - double right = top*aspect; - - rlFrustum(-right, right, -top, top, RL_CULL_DISTANCE_NEAR, RL_CULL_DISTANCE_FAR); - } - else if (camera.type == CAMERA_ORTHOGRAPHIC) - { - // Setup orthographic projection - double top = camera.fovy/2.0; - double right = top*aspect; - - rlOrtho(-right, right, -top,top, RL_CULL_DISTANCE_NEAR, RL_CULL_DISTANCE_FAR); - } - - // NOTE: zNear and zFar values are important when computing depth buffer values - - rlMatrixMode(RL_MODELVIEW); // Switch back to modelview matrix - rlLoadIdentity(); // Reset current matrix (modelview) - - // Setup Camera view - Matrix matView = MatrixLookAt(camera.position, camera.target, camera.up); - rlMultMatrixf(MatrixToFloat(matView)); // Multiply modelview matrix by view matrix (camera) - - rlEnableDepthTest(); // Enable DEPTH_TEST for 3D -} - -// Ends 3D mode and returns to default 2D orthographic mode -void EndMode3D(void) -{ - rlglDraw(); // Process internal buffers (update + draw) - - rlMatrixMode(RL_PROJECTION); // Switch to projection matrix - rlPopMatrix(); // Restore previous matrix (projection) from matrix stack - - rlMatrixMode(RL_MODELVIEW); // Switch back to modelview matrix - rlLoadIdentity(); // Reset current matrix (modelview) - - rlMultMatrixf(MatrixToFloat(CORE.Window.screenScale)); // Apply screen scaling if required - - rlDisableDepthTest(); // Disable DEPTH_TEST for 2D -} - -// Initializes render texture for drawing -void BeginTextureMode(RenderTexture2D target) -{ - rlglDraw(); // Draw Buffers (Only OpenGL 3+ and ES2) - - rlEnableRenderTexture(target.id); // Enable render target - - // Set viewport to framebuffer size - rlViewport(0, 0, target.texture.width, target.texture.height); - - rlMatrixMode(RL_PROJECTION); // Switch to projection matrix - rlLoadIdentity(); // Reset current matrix (projection) - - // Set orthographic projection to current framebuffer size - // NOTE: Configured top-left corner as (0, 0) - rlOrtho(0, target.texture.width, target.texture.height, 0, 0.0f, 1.0f); - - rlMatrixMode(RL_MODELVIEW); // Switch back to modelview matrix - rlLoadIdentity(); // Reset current matrix (modelview) - - //rlScalef(0.0f, -1.0f, 0.0f); // Flip Y-drawing (?) - - // Setup current width/height for proper aspect ratio - // calculation when using BeginMode3D() - CORE.Window.currentFbo.width = target.texture.width; - CORE.Window.currentFbo.height = target.texture.height; -} - -// Ends drawing to render texture -void EndTextureMode(void) -{ - rlglDraw(); // Draw Buffers (Only OpenGL 3+ and ES2) - - rlDisableRenderTexture(); // Disable render target - - // Set viewport to default framebuffer size - SetupViewport(CORE.Window.render.width, CORE.Window.render.height); - - // Reset current screen size - CORE.Window.currentFbo.width = GetScreenWidth(); - CORE.Window.currentFbo.height = GetScreenHeight(); -} - -// Begin scissor mode (define screen area for following drawing) -// NOTE: Scissor rec refers to bottom-left corner, we change it to upper-left -void BeginScissorMode(int x, int y, int width, int height) -{ - rlglDraw(); // Force drawing elements - - rlEnableScissorTest(); - rlScissor(x, CORE.Window.currentFbo.height - (y + height), width, height); -} - -// End scissor mode -void EndScissorMode(void) -{ - rlglDraw(); // Force drawing elements - rlDisableScissorTest(); -} - -// Returns a ray trace from mouse position -Ray GetMouseRay(Vector2 mouse, Camera camera) -{ - Ray ray; - - // Calculate normalized device coordinates - // NOTE: y value is negative - float x = (2.0f*mouse.x)/(float)GetScreenWidth() - 1.0f; - float y = 1.0f - (2.0f*mouse.y)/(float)GetScreenHeight(); - float z = 1.0f; - - // Store values in a vector - Vector3 deviceCoords = { x, y, z }; - - // Calculate view matrix from camera look at - Matrix matView = MatrixLookAt(camera.position, camera.target, camera.up); - - Matrix matProj = MatrixIdentity(); - - if (camera.type == CAMERA_PERSPECTIVE) - { - // Calculate projection matrix from perspective - matProj = MatrixPerspective(camera.fovy*DEG2RAD, ((double)GetScreenWidth()/(double)GetScreenHeight()), RL_CULL_DISTANCE_NEAR, RL_CULL_DISTANCE_FAR); - } - else if (camera.type == CAMERA_ORTHOGRAPHIC) - { - float aspect = (float)CORE.Window.screen.width/(float)CORE.Window.screen.height; - double top = camera.fovy/2.0; - double right = top*aspect; - - // Calculate projection matrix from orthographic - matProj = MatrixOrtho(-right, right, -top, top, 0.01, 1000.0); - } - - // Unproject far/near points - Vector3 nearPoint = rlUnproject((Vector3){ deviceCoords.x, deviceCoords.y, 0.0f }, matProj, matView); - Vector3 farPoint = rlUnproject((Vector3){ deviceCoords.x, deviceCoords.y, 1.0f }, matProj, matView); - - // Unproject the mouse cursor in the near plane. - // We need this as the source position because orthographic projects, compared to perspect doesn't have a - // convergence point, meaning that the "eye" of the camera is more like a plane than a point. - Vector3 cameraPlanePointerPos = rlUnproject((Vector3){ deviceCoords.x, deviceCoords.y, -1.0f }, matProj, matView); - - // Calculate normalized direction vector - Vector3 direction = Vector3Normalize(Vector3Subtract(farPoint, nearPoint)); - - if (camera.type == CAMERA_PERSPECTIVE) ray.position = camera.position; - else if (camera.type == CAMERA_ORTHOGRAPHIC) ray.position = cameraPlanePointerPos; - - // Apply calculated vectors to ray - ray.direction = direction; - - return ray; -} - -// Get transform matrix for camera -Matrix GetCameraMatrix(Camera camera) -{ - return MatrixLookAt(camera.position, camera.target, camera.up); -} - -// Returns camera 2d transform matrix -Matrix GetCameraMatrix2D(Camera2D camera) -{ - Matrix matTransform = { 0 }; - // The camera in world-space is set by - // 1. Move it to target - // 2. Rotate by -rotation and scale by (1/zoom) - // When setting higher scale, it's more intuitive for the world to become bigger (= camera become smaller), - // not for the camera getting bigger, hence the invert. Same deal with rotation. - // 3. Move it by (-offset); - // Offset defines target transform relative to screen, but since we're effectively "moving" screen (camera) - // we need to do it into opposite direction (inverse transform) - - // Having camera transform in world-space, inverse of it gives the modelview transform. - // Since (A*B*C)' = C'*B'*A', the modelview is - // 1. Move to offset - // 2. Rotate and Scale - // 3. Move by -target - Matrix matOrigin = MatrixTranslate(-camera.target.x, -camera.target.y, 0.0f); - Matrix matRotation = MatrixRotate((Vector3){ 0.0f, 0.0f, 1.0f }, camera.rotation*DEG2RAD); - Matrix matScale = MatrixScale(camera.zoom, camera.zoom, 1.0f); - Matrix matTranslation = MatrixTranslate(camera.offset.x, camera.offset.y, 0.0f); - - matTransform = MatrixMultiply(MatrixMultiply(matOrigin, MatrixMultiply(matScale, matRotation)), matTranslation); - - return matTransform; -} - -// Returns the screen space position from a 3d world space position -Vector2 GetWorldToScreen(Vector3 position, Camera camera) -{ - Vector2 screenPosition = GetWorldToScreenEx(position, camera, GetScreenWidth(), GetScreenHeight()); - - return screenPosition; -} - -// Returns size position for a 3d world space position (useful for texture drawing) -Vector2 GetWorldToScreenEx(Vector3 position, Camera camera, int width, int height) -{ - // Calculate projection matrix (from perspective instead of frustum - Matrix matProj = MatrixIdentity(); - - if (camera.type == CAMERA_PERSPECTIVE) - { - // Calculate projection matrix from perspective - matProj = MatrixPerspective(camera.fovy * DEG2RAD, ((double)width/(double)height), RL_CULL_DISTANCE_NEAR, RL_CULL_DISTANCE_FAR); - } - else if (camera.type == CAMERA_ORTHOGRAPHIC) - { - float aspect = (float)CORE.Window.screen.width/(float)CORE.Window.screen.height; - double top = camera.fovy/2.0; - double right = top*aspect; - - // Calculate projection matrix from orthographic - matProj = MatrixOrtho(-right, right, -top, top, RL_CULL_DISTANCE_NEAR, RL_CULL_DISTANCE_FAR); - } - - // Calculate view matrix from camera look at (and transpose it) - Matrix matView = MatrixLookAt(camera.position, camera.target, camera.up); - - // Convert world position vector to quaternion - Quaternion worldPos = { position.x, position.y, position.z, 1.0f }; - - // Transform world position to view - worldPos = QuaternionTransform(worldPos, matView); - - // Transform result to projection (clip space position) - worldPos = QuaternionTransform(worldPos, matProj); - - // Calculate normalized device coordinates (inverted y) - Vector3 ndcPos = { worldPos.x/worldPos.w, -worldPos.y/worldPos.w, worldPos.z/worldPos.w }; - - // Calculate 2d screen position vector - Vector2 screenPosition = { (ndcPos.x + 1.0f)/2.0f*(float)width, (ndcPos.y + 1.0f)/2.0f*(float)height }; - - return screenPosition; -} - -// Returns the screen space position for a 2d camera world space position -Vector2 GetWorldToScreen2D(Vector2 position, Camera2D camera) -{ - Matrix matCamera = GetCameraMatrix2D(camera); - Vector3 transform = Vector3Transform((Vector3){ position.x, position.y, 0 }, matCamera); - - return (Vector2){ transform.x, transform.y }; -} - -// Returns the world space position for a 2d camera screen space position -Vector2 GetScreenToWorld2D(Vector2 position, Camera2D camera) -{ - Matrix invMatCamera = MatrixInvert(GetCameraMatrix2D(camera)); - Vector3 transform = Vector3Transform((Vector3){ position.x, position.y, 0 }, invMatCamera); - - return (Vector2){ transform.x, transform.y }; -} - -// Set target FPS (maximum) -void SetTargetFPS(int fps) -{ - if (fps < 1) CORE.Time.target = 0.0; - else CORE.Time.target = 1.0/(double)fps; - - TRACELOG(LOG_INFO, "TIMER: Target time per frame: %02.03f milliseconds", (float)CORE.Time.target*1000); -} - -// Returns current FPS -// NOTE: We calculate an average framerate -int GetFPS(void) -{ - #define FPS_CAPTURE_FRAMES_COUNT 30 // 30 captures - #define FPS_AVERAGE_TIME_SECONDS 0.5f // 500 millisecondes - #define FPS_STEP (FPS_AVERAGE_TIME_SECONDS/FPS_CAPTURE_FRAMES_COUNT) - - static int index = 0; - static float history[FPS_CAPTURE_FRAMES_COUNT] = { 0 }; - static float average = 0, last = 0; - float fpsFrame = GetFrameTime(); - - if (fpsFrame == 0) return 0; - - if ((GetTime() - last) > FPS_STEP) - { - last = (float)GetTime(); - index = (index + 1)%FPS_CAPTURE_FRAMES_COUNT; - average -= history[index]; - history[index] = fpsFrame/FPS_CAPTURE_FRAMES_COUNT; - average += history[index]; - } - - return (int)roundf(1.0f/average); -} - -// Returns time in seconds for last frame drawn -float GetFrameTime(void) -{ - return (float)CORE.Time.frame; -} - -// Get elapsed time measure in seconds since InitTimer() -// NOTE: On PLATFORM_DESKTOP InitTimer() is called on InitWindow() -// NOTE: On PLATFORM_DESKTOP, timer is initialized on glfwInit() -double GetTime(void) -{ -#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) - return glfwGetTime(); // Elapsed time since glfwInit() -#endif - -#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) - struct timespec ts; - clock_gettime(CLOCK_MONOTONIC, &ts); - unsigned long long int time = (unsigned long long int)ts.tv_sec*1000000000LLU + (unsigned long long int)ts.tv_nsec; - - return (double)(time - CORE.Time.base)*1e-9; // Elapsed time since InitTimer() -#endif - -#if defined(PLATFORM_UWP) - return UWPGetQueryTimeFunc()(); -#endif -} - -// Returns hexadecimal value for a Color -int ColorToInt(Color color) -{ - return (((int)color.r << 24) | ((int)color.g << 16) | ((int)color.b << 8) | (int)color.a); -} - -// Returns color normalized as float [0..1] -Vector4 ColorNormalize(Color color) -{ - Vector4 result; - - result.x = (float)color.r/255.0f; - result.y = (float)color.g/255.0f; - result.z = (float)color.b/255.0f; - result.w = (float)color.a/255.0f; - - return result; -} - -// Returns color from normalized values [0..1] -Color ColorFromNormalized(Vector4 normalized) -{ - Color result; - - result.r = (unsigned char)(normalized.x*255.0f); - result.g = (unsigned char)(normalized.y*255.0f); - result.b = (unsigned char)(normalized.z*255.0f); - result.a = (unsigned char)(normalized.w*255.0f); - - return result; -} - -// Returns HSV values for a Color -// NOTE: Hue is returned as degrees [0..360] -Vector3 ColorToHSV(Color color) -{ - Vector3 hsv = { 0 }; - Vector3 rgb = { (float)color.r/255.0f, (float)color.g/255.0f, (float)color.b/255.0f }; - float min, max, delta; - - min = rgb.x < rgb.y? rgb.x : rgb.y; - min = min < rgb.z? min : rgb.z; - - max = rgb.x > rgb.y? rgb.x : rgb.y; - max = max > rgb.z? max : rgb.z; - - hsv.z = max; // Value - delta = max - min; - - if (delta < 0.00001f) - { - hsv.y = 0.0f; - hsv.x = 0.0f; // Undefined, maybe NAN? - return hsv; - } - - if (max > 0.0f) - { - // NOTE: If max is 0, this divide would cause a crash - hsv.y = (delta/max); // Saturation - } - else - { - // NOTE: If max is 0, then r = g = b = 0, s = 0, h is undefined - hsv.y = 0.0f; - hsv.x = NAN; // Undefined - return hsv; - } - - // NOTE: Comparing float values could not work properly - if (rgb.x >= max) hsv.x = (rgb.y - rgb.z)/delta; // Between yellow & magenta - else - { - if (rgb.y >= max) hsv.x = 2.0f + (rgb.z - rgb.x)/delta; // Between cyan & yellow - else hsv.x = 4.0f + (rgb.x - rgb.y)/delta; // Between magenta & cyan - } - - hsv.x *= 60.0f; // Convert to degrees - - if (hsv.x < 0.0f) hsv.x += 360.0f; - - return hsv; -} - -// Returns a Color from HSV values -// Implementation reference: https://en.wikipedia.org/wiki/HSL_and_HSV#Alternative_HSV_conversion -// NOTE: Color->HSV->Color conversion will not yield exactly the same color due to rounding errors -Color ColorFromHSV(Vector3 hsv) -{ - Color color = { 0, 0, 0, 255 }; - float h = hsv.x, s = hsv.y, v = hsv.z; - - // Red channel - float k = fmodf((5.0f + h/60.0f), 6); - float t = 4.0f - k; - k = (t < k)? t : k; - k = (k < 1)? k : 1; - k = (k > 0)? k : 0; - color.r = (unsigned char)((v - v*s*k)*255.0f); - - // Green channel - k = fmodf((3.0f + h/60.0f), 6); - t = 4.0f - k; - k = (t < k)? t : k; - k = (k < 1)? k : 1; - k = (k > 0)? k : 0; - color.g = (unsigned char)((v - v*s*k)*255.0f); - - // Blue channel - k = fmodf((1.0f + h/60.0f), 6); - t = 4.0f - k; - k = (t < k)? t : k; - k = (k < 1)? k : 1; - k = (k > 0)? k : 0; - color.b = (unsigned char)((v - v*s*k)*255.0f); - - return color; -} - -// Returns a Color struct from hexadecimal value -Color GetColor(int hexValue) -{ - Color color; - - color.r = (unsigned char)(hexValue >> 24) & 0xFF; - color.g = (unsigned char)(hexValue >> 16) & 0xFF; - color.b = (unsigned char)(hexValue >> 8) & 0xFF; - color.a = (unsigned char)hexValue & 0xFF; - - return color; -} - -// Returns a random value between min and max (both included) -int GetRandomValue(int min, int max) -{ - if (min > max) - { - int tmp = max; - max = min; - min = tmp; - } - - return (rand()%(abs(max - min) + 1) + min); -} - -// Color fade-in or fade-out, alpha goes from 0.0f to 1.0f -Color Fade(Color color, float alpha) -{ - if (alpha < 0.0f) alpha = 0.0f; - else if (alpha > 1.0f) alpha = 1.0f; - - return (Color){color.r, color.g, color.b, (unsigned char)(255.0f*alpha)}; -} - -// Setup window configuration flags (view FLAGS) -void SetConfigFlags(unsigned int flags) -{ - CORE.Window.flags = flags; - - if (CORE.Window.flags & FLAG_FULLSCREEN_MODE) CORE.Window.fullscreen = true; - if (CORE.Window.flags & FLAG_WINDOW_ALWAYS_RUN) CORE.Window.alwaysRun = true; -} - -// NOTE TRACELOG() function is located in [utils.h] - -// Takes a screenshot of current screen (saved a .png) -// NOTE: This function could work in any platform but some platforms: PLATFORM_ANDROID and PLATFORM_WEB -// have their own internal file-systems, to dowload image to user file-system some additional mechanism is required -void TakeScreenshot(const char *fileName) -{ - unsigned char *imgData = rlReadScreenPixels(CORE.Window.render.width, CORE.Window.render.height); - Image image = { imgData, CORE.Window.render.width, CORE.Window.render.height, 1, UNCOMPRESSED_R8G8B8A8 }; - - char path[512] = { 0 }; -#if defined(PLATFORM_ANDROID) - strcpy(path, CORE.Android.internalDataPath); - strcat(path, "/"); - strcat(path, fileName); -#elif defined(PLATFORM_UWP) - strcpy(path, CORE.UWP.internalDataPath); - strcat(path, "/"); - strcat(path, fileName); -#else - strcpy(path, fileName); -#endif - - ExportImage(image, path); - RL_FREE(imgData); - -#if defined(PLATFORM_WEB) - // Download file from MEMFS (emscripten memory filesystem) - // saveFileFromMEMFSToDisk() function is defined in raylib/src/shell.html - emscripten_run_script(TextFormat("saveFileFromMEMFSToDisk('%s','%s')", GetFileName(path), GetFileName(path))); -#endif - - // TODO: Verification required for log - TRACELOG(LOG_INFO, "SYSTEM: [%s] Screenshot taken successfully", path); -} - -// Check if the file exists -bool FileExists(const char *fileName) -{ - bool result = false; - -#if defined(_WIN32) - if (_access(fileName, 0) != -1) result = true; -#else - if (access(fileName, F_OK) != -1) result = true; -#endif - - return result; -} - -// Check file extension -// NOTE: Extensions checking is not case-sensitive -bool IsFileExtension(const char *fileName, const char *ext) -{ - bool result = false; - const char *fileExt = GetExtension(fileName); - - if (fileExt != NULL) - { -#if defined(SUPPORT_TEXT_MANIPULATION) - int extCount = 0; - const char **checkExts = TextSplit(ext, ';', &extCount); - - char fileExtLower[16] = { 0 }; - strcpy(fileExtLower, TextToLower(fileExt)); - - for (int i = 0; i < extCount; i++) - { - if (TextIsEqual(fileExtLower, TextToLower(checkExts[i] + 1))) - { - result = true; - break; - } - } -#else - if (strcmp(fileExt, ext) == 0) result = true; -#endif - } - - return result; -} - -// Check if a directory path exists -bool DirectoryExists(const char *dirPath) -{ - bool result = false; - DIR *dir = opendir(dirPath); - - if (dir != NULL) - { - result = true; - closedir(dir); - } - - return result; -} - -// Get pointer to extension for a filename string -const char *GetExtension(const char *fileName) -{ - const char *dot = strrchr(fileName, '.'); - - if (!dot || dot == fileName) return NULL; - - return (dot + 1); -} - -// String pointer reverse break: returns right-most occurrence of charset in s -static const char *strprbrk(const char *s, const char *charset) -{ - const char *latestMatch = NULL; - for (; s = strpbrk(s, charset), s != NULL; latestMatch = s++) { } - return latestMatch; -} - -// Get pointer to filename for a path string -const char *GetFileName(const char *filePath) -{ - const char *fileName = NULL; - if (filePath != NULL) fileName = strprbrk(filePath, "\\/"); - - if (!fileName || (fileName == filePath)) return filePath; - - return fileName + 1; -} - -// Get filename string without extension (uses static string) -const char *GetFileNameWithoutExt(const char *filePath) -{ - #define MAX_FILENAMEWITHOUTEXT_LENGTH 128 - - static char fileName[MAX_FILENAMEWITHOUTEXT_LENGTH]; - memset(fileName, 0, MAX_FILENAMEWITHOUTEXT_LENGTH); - - if (filePath != NULL) strcpy(fileName, GetFileName(filePath)); // Get filename with extension - - int len = (int)strlen(fileName); - - for (int i = 0; (i < len) && (i < MAX_FILENAMEWITHOUTEXT_LENGTH); i++) - { - if (fileName[i] == '.') - { - // NOTE: We break on first '.' found - fileName[i] = '\0'; - break; - } - } - - return fileName; -} - -// Get directory for a given filePath -const char *GetDirectoryPath(const char *filePath) -{ -/* - // NOTE: Directory separator is different in Windows and other platforms, - // fortunately, Windows also support the '/' separator, that's the one should be used - #if defined(_WIN32) - char separator = '\\'; - #else - char separator = '/'; - #endif -*/ - const char *lastSlash = NULL; - static char dirPath[MAX_FILEPATH_LENGTH]; - memset(dirPath, 0, MAX_FILEPATH_LENGTH); - - // In case provided path does not contains a root drive letter (C:\, D:\), - // we add the current directory path to dirPath - if (filePath[1] != ':') - { - // For security, we set starting path to current directory, - // obtained path will be concated to this - dirPath[0] = '.'; - dirPath[1] = '/'; - } - - lastSlash = strprbrk(filePath, "\\/"); - if (lastSlash) - { - // NOTE: Be careful, strncpy() is not safe, it does not care about '\0' - memcpy(dirPath + ((filePath[1] != ':')? 2 : 0), filePath, strlen(filePath) - (strlen(lastSlash) - 1)); - dirPath[strlen(filePath) - strlen(lastSlash) + ((filePath[1] != ':')? 2 : 0)] = '\0'; // Add '\0' manually - } - - return dirPath; -} - -// Get previous directory path for a given path -const char *GetPrevDirectoryPath(const char *dirPath) -{ - static char prevDirPath[MAX_FILEPATH_LENGTH]; - memset(prevDirPath, 0, MAX_FILEPATH_LENGTH); - int pathLen = (int)strlen(dirPath); - - if (pathLen <= 3) strcpy(prevDirPath, dirPath); - - for (int i = (pathLen - 1); (i >= 0) && (pathLen > 3); i--) - { - if ((dirPath[i] == '\\') || (dirPath[i] == '/')) - { - // Check for root: "C:\" or "/" - if (((i == 2) && (dirPath[1] ==':')) || (i == 0)) i++; - - strncpy(prevDirPath, dirPath, i); - break; - } - } - - return prevDirPath; -} - -// Get current working directory -const char *GetWorkingDirectory(void) -{ - static char currentDir[MAX_FILEPATH_LENGTH]; - memset(currentDir, 0, MAX_FILEPATH_LENGTH); - - GETCWD(currentDir, MAX_FILEPATH_LENGTH - 1); - - return currentDir; -} - -// Get filenames in a directory path (max 512 files) -// NOTE: Files count is returned by parameters pointer -char **GetDirectoryFiles(const char *dirPath, int *fileCount) -{ - #define MAX_DIRECTORY_FILES 512 - - ClearDirectoryFiles(); - - // Memory allocation for MAX_DIRECTORY_FILES - dirFilesPath = (char **)RL_MALLOC(sizeof(char *)*MAX_DIRECTORY_FILES); - for (int i = 0; i < MAX_DIRECTORY_FILES; i++) dirFilesPath[i] = (char *)RL_MALLOC(sizeof(char)*MAX_FILEPATH_LENGTH); - - int counter = 0; - struct dirent *entity; - DIR *dir = opendir(dirPath); - - if (dir != NULL) // It's a directory - { - // TODO: Reading could be done in two passes, - // first one to count files and second one to read names - // That way we can allocate required memory, instead of a limited pool - - while ((entity = readdir(dir)) != NULL) - { - strcpy(dirFilesPath[counter], entity->d_name); - counter++; - } - - closedir(dir); - } - else TRACELOG(LOG_WARNING, "FILEIO: Failed to open requested directory"); // Maybe it's a file... - - dirFilesCount = counter; - *fileCount = dirFilesCount; - - return dirFilesPath; -} - -// Clear directory files paths buffers -void ClearDirectoryFiles(void) -{ - if (dirFilesCount > 0) - { - for (int i = 0; i < MAX_DIRECTORY_FILES; i++) RL_FREE(dirFilesPath[i]); - - RL_FREE(dirFilesPath); - } - - dirFilesCount = 0; -} - -// Change working directory, returns true if success -bool ChangeDirectory(const char *dir) -{ - return (CHDIR(dir) == 0); -} - -// Check if a file has been dropped into window -bool IsFileDropped(void) -{ - if (CORE.Window.dropFilesCount > 0) return true; - else return false; -} - -// Get dropped files names -char **GetDroppedFiles(int *count) -{ - *count = CORE.Window.dropFilesCount; - return CORE.Window.dropFilesPath; -} - -// Clear dropped files paths buffer -void ClearDroppedFiles(void) -{ - if (CORE.Window.dropFilesCount > 0) - { - for (int i = 0; i < CORE.Window.dropFilesCount; i++) RL_FREE(CORE.Window.dropFilesPath[i]); - - RL_FREE(CORE.Window.dropFilesPath); - - CORE.Window.dropFilesCount = 0; - } -} - -// Get file modification time (last write time) -long GetFileModTime(const char *fileName) -{ - struct stat result = { 0 }; - - if (stat(fileName, &result) == 0) - { - time_t mod = result.st_mtime; - - return (long)mod; - } - - return 0; -} - -// Compress data (DEFLATE algorythm) -unsigned char *CompressData(unsigned char *data, int dataLength, int *compDataLength) -{ - #define COMPRESSION_QUALITY_DEFLATE 8 - - unsigned char *compData = NULL; - -#if defined(SUPPORT_COMPRESSION_API) - compData = stbi_zlib_compress(data, dataLength, compDataLength, COMPRESSION_QUALITY_DEFLATE); -#endif - - return compData; -} - -// Decompress data (DEFLATE algorythm) -unsigned char *DecompressData(unsigned char *compData, int compDataLength, int *dataLength) -{ - char *data = NULL; - -#if defined(SUPPORT_COMPRESSION_API) - data = stbi_zlib_decode_malloc((char *)compData, compDataLength, dataLength); -#endif - - return (unsigned char *)data; -} - -// Save integer value to storage file (to defined position) -// NOTE: Storage positions is directly related to file memory layout (4 bytes each integer) -void SaveStorageValue(unsigned int position, int value) -{ -#if defined(SUPPORT_DATA_STORAGE) - char path[512] = { 0 }; -#if defined(PLATFORM_ANDROID) - strcpy(path, CORE.Android.internalDataPath); - strcat(path, "/"); - strcat(path, STORAGE_DATA_FILE); -#elif defined(PLATFORM_UWP) - strcpy(path, CORE.UWP.internalDataPath); - strcat(path, "/"); - strcat(path, STORAGE_DATA_FILE); -#else - strcpy(path, STORAGE_DATA_FILE); -#endif - - unsigned int dataSize = 0; - unsigned int newDataSize = 0; - unsigned char *fileData = LoadFileData(path, &dataSize); - unsigned char *newFileData = NULL; - - if (fileData != NULL) - { - if (dataSize <= (position*sizeof(int))) - { - // Increase data size up to position and store value - newDataSize = (position + 1)*sizeof(int); - newFileData = (unsigned char *)RL_REALLOC(fileData, newDataSize); - - if (newFileData != NULL) - { - // RL_REALLOC succeded - int *dataPtr = (int *)newFileData; - dataPtr[position] = value; - } - else - { - // RL_REALLOC failed - TRACELOG(LOG_WARNING, "FILEIO: [%s] Failed to realloc data (%u), position in bytes (%u) bigger than actual file size", path, dataSize, position*sizeof(int)); - - // We store the old size of the file - newFileData = fileData; - newDataSize = dataSize; - } - } - else - { - // Store the old size of the file - newFileData = fileData; - newDataSize = dataSize; - - // Replace value on selected position - int *dataPtr = (int *)newFileData; - dataPtr[position] = value; - } - - SaveFileData(path, newFileData, newDataSize); - RL_FREE(newFileData); - } - else - { - TRACELOG(LOG_INFO, "FILEIO: [%s] File not found, creating it", path); - - dataSize = (position + 1)*sizeof(int); - fileData = (unsigned char *)RL_MALLOC(dataSize); - int *dataPtr = (int *)fileData; - dataPtr[position] = value; - - SaveFileData(path, fileData, dataSize); - RL_FREE(fileData); - } -#endif -} - -// Load integer value from storage file (from defined position) -// NOTE: If requested position could not be found, value 0 is returned -int LoadStorageValue(unsigned int position) -{ - int value = 0; -#if defined(SUPPORT_DATA_STORAGE) - char path[512] = { 0 }; -#if defined(PLATFORM_ANDROID) - strcpy(path, CORE.Android.internalDataPath); - strcat(path, "/"); - strcat(path, STORAGE_DATA_FILE); -#elif defined(PLATFORM_UWP) - strcpy(path, CORE.UWP.internalDataPath); - strcat(path, "/"); - strcat(path, STORAGE_DATA_FILE); -#else - strcpy(path, STORAGE_DATA_FILE); -#endif - - unsigned int dataSize = 0; - unsigned char *fileData = LoadFileData(path, &dataSize); - - if (fileData != NULL) - { - if (dataSize < (position*4)) TRACELOG(LOG_WARNING, "SYSTEM: Failed to find storage position"); - else - { - int *dataPtr = (int *)fileData; - value = dataPtr[position]; - } - - RL_FREE(fileData); - } -#endif - return value; -} - -// Open URL with default system browser (if available) -// NOTE: This function is only safe to use if you control the URL given. -// A user could craft a malicious string performing another action. -// Only call this function yourself not with user input or make sure to check the string yourself. -// CHECK: https://github.com/raysan5/raylib/issues/686 -void OpenURL(const char *url) -{ - // Small security check trying to avoid (partially) malicious code... - // sorry for the inconvenience when you hit this point... - if (strchr(url, '\'') != NULL) - { - TRACELOG(LOG_WARNING, "SYSTEM: Provided URL is not valid"); - } - else - { -#if defined(PLATFORM_DESKTOP) - char *cmd = (char *)RL_CALLOC(strlen(url) + 10, sizeof(char)); - #if defined(_WIN32) - sprintf(cmd, "explorer %s", url); - #elif defined(__linux__) - sprintf(cmd, "xdg-open '%s'", url); // Alternatives: firefox, x-www-browser - #elif defined(__APPLE__) - sprintf(cmd, "open '%s'", url); - #endif - system(cmd); - RL_FREE(cmd); -#endif -#if defined(PLATFORM_WEB) - emscripten_run_script(TextFormat("window.open('%s', '_blank')", url)); -#endif - } -} - -//---------------------------------------------------------------------------------- -// Module Functions Definition - Input (Keyboard, Mouse, Gamepad) Functions -//---------------------------------------------------------------------------------- -// Detect if a key has been pressed once -bool IsKeyPressed(int key) -{ - bool pressed = false; - - if ((CORE.Input.Keyboard.previousKeyState[key] == 0) && (CORE.Input.Keyboard.currentKeyState[key] == 1)) pressed = true; - else pressed = false; - - return pressed; -} - -// Detect if a key is being pressed (key held down) -bool IsKeyDown(int key) -{ - if (CORE.Input.Keyboard.currentKeyState[key] == 1) return true; - else return false; -} - -// Detect if a key has been released once -bool IsKeyReleased(int key) -{ - bool released = false; - - if ((CORE.Input.Keyboard.previousKeyState[key] == 1) && (CORE.Input.Keyboard.currentKeyState[key] == 0)) released = true; - else released = false; - - return released; -} - -// Detect if a key is NOT being pressed (key not held down) -bool IsKeyUp(int key) -{ - if (CORE.Input.Keyboard.currentKeyState[key] == 0) return true; - else return false; -} - -// Get the last key pressed -int GetKeyPressed(void) -{ - int value = 0; - - if (CORE.Input.Keyboard.keyPressedQueueCount > 0) - { - // Get character from the queue head - value = CORE.Input.Keyboard.keyPressedQueue[0]; - - // Shift elements 1 step toward the head. - for (int i = 0; i < (CORE.Input.Keyboard.keyPressedQueueCount - 1); i++) CORE.Input.Keyboard.keyPressedQueue[i] = CORE.Input.Keyboard.keyPressedQueue[i + 1]; - - // Reset last character in the queue - CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = 0; - CORE.Input.Keyboard.keyPressedQueueCount--; - } - - return value; -} - -// Set a custom key to exit program -// NOTE: default exitKey is ESCAPE -void SetExitKey(int key) -{ -#if !defined(PLATFORM_ANDROID) - CORE.Input.Keyboard.exitKey = key; -#endif -} - -// NOTE: Gamepad support not implemented in emscripten GLFW3 (PLATFORM_WEB) - -// Detect if a gamepad is available -bool IsGamepadAvailable(int gamepad) -{ - bool result = false; - -#if !defined(PLATFORM_ANDROID) - if ((gamepad < MAX_GAMEPADS) && CORE.Input.Gamepad.ready[gamepad]) result = true; -#endif - - return result; -} - -// Check gamepad name (if available) -bool IsGamepadName(int gamepad, const char *name) -{ - bool result = false; - -#if !defined(PLATFORM_ANDROID) - const char *currentName = NULL; - - if (CORE.Input.Gamepad.ready[gamepad]) currentName = GetGamepadName(gamepad); - if ((name != NULL) && (currentName != NULL)) result = (strcmp(name, currentName) == 0); -#endif - - return result; -} - -// Return gamepad internal name id -const char *GetGamepadName(int gamepad) -{ -#if defined(PLATFORM_DESKTOP) - if (CORE.Input.Gamepad.ready[gamepad]) return glfwGetJoystickName(gamepad); - else return NULL; -#elif defined(PLATFORM_RPI) - if (CORE.Input.Gamepad.ready[gamepad]) ioctl(CORE.Input.Gamepad.streamId[gamepad], JSIOCGNAME(64), &CORE.Input.Gamepad.name); - - return CORE.Input.Gamepad.name; -#else - return NULL; -#endif -} - -// Return gamepad axis count -int GetGamepadAxisCount(int gamepad) -{ -#if defined(PLATFORM_RPI) - int axisCount = 0; - if (CORE.Input.Gamepad.ready[gamepad]) ioctl(CORE.Input.Gamepad.streamId[gamepad], JSIOCGAXES, &axisCount); - CORE.Input.Gamepad.axisCount = axisCount; -#endif - return CORE.Input.Gamepad.axisCount; -} - -// Return axis movement vector for a gamepad -float GetGamepadAxisMovement(int gamepad, int axis) -{ - float value = 0; - -#if !defined(PLATFORM_ANDROID) - if ((gamepad < MAX_GAMEPADS) && CORE.Input.Gamepad.ready[gamepad] && (axis < MAX_GAMEPAD_AXIS) && - ((axis == GAMEPAD_AXIS_LEFT_TRIGGER) || (axis == GAMEPAD_AXIS_RIGHT_TRIGGER) || - (fabsf(CORE.Input.Gamepad.axisState[gamepad][axis]) >= 0.2f))) value = CORE.Input.Gamepad.axisState[gamepad][axis]; -#endif - - return value; -} - -// Detect if a gamepad button has been pressed once -bool IsGamepadButtonPressed(int gamepad, int button) -{ - bool pressed = false; - -#if !defined(PLATFORM_ANDROID) - if ((gamepad < MAX_GAMEPADS) && CORE.Input.Gamepad.ready[gamepad] && (button < MAX_GAMEPAD_BUTTONS) && - (CORE.Input.Gamepad.currentState[gamepad][button] != CORE.Input.Gamepad.previousState[gamepad][button]) && - (CORE.Input.Gamepad.currentState[gamepad][button] == 1)) pressed = true; -#endif - - return pressed; -} - -// Detect if a gamepad button is being pressed -bool IsGamepadButtonDown(int gamepad, int button) -{ - bool result = false; - -#if !defined(PLATFORM_ANDROID) - if ((gamepad < MAX_GAMEPADS) && CORE.Input.Gamepad.ready[gamepad] && (button < MAX_GAMEPAD_BUTTONS) && - (CORE.Input.Gamepad.currentState[gamepad][button] == 1)) result = true; -#endif - - return result; -} - -// Detect if a gamepad button has NOT been pressed once -bool IsGamepadButtonReleased(int gamepad, int button) -{ - bool released = false; - -#if !defined(PLATFORM_ANDROID) - if ((gamepad < MAX_GAMEPADS) && CORE.Input.Gamepad.ready[gamepad] && (button < MAX_GAMEPAD_BUTTONS) && - (CORE.Input.Gamepad.currentState[gamepad][button] != CORE.Input.Gamepad.previousState[gamepad][button]) && - (CORE.Input.Gamepad.currentState[gamepad][button] == 0)) released = true; -#endif - - return released; -} - -// Detect if a mouse button is NOT being pressed -bool IsGamepadButtonUp(int gamepad, int button) -{ - bool result = false; - -#if !defined(PLATFORM_ANDROID) - if ((gamepad < MAX_GAMEPADS) && CORE.Input.Gamepad.ready[gamepad] && (button < MAX_GAMEPAD_BUTTONS) && - (CORE.Input.Gamepad.currentState[gamepad][button] == 0)) result = true; -#endif - - return result; -} - -// Get the last gamepad button pressed -int GetGamepadButtonPressed(void) -{ - return CORE.Input.Gamepad.lastButtonPressed; -} - -// Detect if a mouse button has been pressed once -bool IsMouseButtonPressed(int button) -{ - bool pressed = false; - - if ((CORE.Input.Mouse.currentButtonState[button] == 1) && (CORE.Input.Mouse.previousButtonState[button] == 0)) pressed = true; - - // Map touches to mouse buttons checking - if ((CORE.Input.Touch.currentTouchState[button] == 1) && (CORE.Input.Touch.previousTouchState[button] == 0)) pressed = true; - - return pressed; -} - -// Detect if a mouse button is being pressed -bool IsMouseButtonDown(int button) -{ - bool down = false; - - if (CORE.Input.Mouse.currentButtonState[button] == 1) down = true; - - // Map touches to mouse buttons checking - if (CORE.Input.Touch.currentTouchState[button] == 1) down = true; - - return down; -} - -// Detect if a mouse button has been released once -bool IsMouseButtonReleased(int button) -{ - bool released = false; - - if ((CORE.Input.Mouse.currentButtonState[button] == 0) && (CORE.Input.Mouse.previousButtonState[button] == 1)) released = true; - - // Map touches to mouse buttons checking - if ((CORE.Input.Touch.currentTouchState[button] == 0) && (CORE.Input.Touch.previousTouchState[button] == 1)) released = true; - - return released; -} - -// Detect if a mouse button is NOT being pressed -bool IsMouseButtonUp(int button) -{ - return !IsMouseButtonDown(button); -} - -// Returns mouse position X -int GetMouseX(void) -{ -#if defined(PLATFORM_ANDROID) - return (int)CORE.Input.Touch.position[0].x; -#else - return (int)((CORE.Input.Mouse.position.x + CORE.Input.Mouse.offset.x)*CORE.Input.Mouse.scale.x); -#endif -} - -// Returns mouse position Y -int GetMouseY(void) -{ -#if defined(PLATFORM_ANDROID) - return (int)CORE.Input.Touch.position[0].y; -#else - return (int)((CORE.Input.Mouse.position.y + CORE.Input.Mouse.offset.y)*CORE.Input.Mouse.scale.y); -#endif -} - -// Returns mouse position XY -Vector2 GetMousePosition(void) -{ - Vector2 position = { 0 }; - -#if defined(PLATFORM_ANDROID) || defined(PLATFORM_WEB) - position = GetTouchPosition(0); -#else - position.x = (CORE.Input.Mouse.position.x + CORE.Input.Mouse.offset.x)*CORE.Input.Mouse.scale.x; - position.y = (CORE.Input.Mouse.position.y + CORE.Input.Mouse.offset.y)*CORE.Input.Mouse.scale.y; -#endif - - return position; -} - -// Set mouse position XY -void SetMousePosition(int x, int y) -{ - CORE.Input.Mouse.position = (Vector2){ (float)x, (float)y }; -#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) - // NOTE: emscripten not implemented - glfwSetCursorPos(CORE.Window.handle, CORE.Input.Mouse.position.x, CORE.Input.Mouse.position.y); -#endif -#if defined(PLATFORM_UWP) - UWPGetMouseSetPosFunc()(x, y); -#endif -} - -// Set mouse offset -// NOTE: Useful when rendering to different size targets -void SetMouseOffset(int offsetX, int offsetY) -{ - CORE.Input.Mouse.offset = (Vector2){ (float)offsetX, (float)offsetY }; -} - -// Set mouse scaling -// NOTE: Useful when rendering to different size targets -void SetMouseScale(float scaleX, float scaleY) -{ - CORE.Input.Mouse.scale = (Vector2){ scaleX, scaleY }; -} - -// Returns mouse wheel movement Y -int GetMouseWheelMove(void) -{ -#if defined(PLATFORM_ANDROID) - return 0; -#elif defined(PLATFORM_WEB) - return CORE.Input.Mouse.previousWheelMove/100; -#else - return CORE.Input.Mouse.previousWheelMove; -#endif -} - -// Returns touch position X for touch point 0 (relative to screen size) -int GetTouchX(void) -{ -#if defined(PLATFORM_ANDROID) || defined(PLATFORM_WEB) || defined(PLATFORM_UWP) - return (int)CORE.Input.Touch.position[0].x; -#else // PLATFORM_DESKTOP, PLATFORM_RPI - return GetMouseX(); -#endif -} - -// Returns touch position Y for touch point 0 (relative to screen size) -int GetTouchY(void) -{ -#if defined(PLATFORM_ANDROID) || defined(PLATFORM_WEB) || defined(PLATFORM_UWP) - return (int)CORE.Input.Touch.position[0].y; -#else // PLATFORM_DESKTOP, PLATFORM_RPI - return GetMouseY(); -#endif -} - -// Returns touch position XY for a touch point index (relative to screen size) -// TODO: Touch position should be scaled depending on display size and render size -Vector2 GetTouchPosition(int index) -{ - Vector2 position = { -1.0f, -1.0f }; - -#if defined(PLATFORM_ANDROID) || defined(PLATFORM_WEB) || defined(PLATFORM_RPI) || defined(PLATFORM_UWP) - if (index < MAX_TOUCH_POINTS) position = CORE.Input.Touch.position[index]; - else TRACELOG(LOG_WARNING, "INPUT: Required touch point out of range (Max touch points: %i)", MAX_TOUCH_POINTS); - - #if defined(PLATFORM_ANDROID) - if ((CORE.Window.screen.width > CORE.Window.display.width) || (CORE.Window.screen.height > CORE.Window.display.height)) - { - position.x = position.x*((float)CORE.Window.screen.width/(float)(CORE.Window.display.width - CORE.Window.renderOffset.x)) - CORE.Window.renderOffset.x/2; - position.y = position.y*((float)CORE.Window.screen.height/(float)(CORE.Window.display.height - CORE.Window.renderOffset.y)) - CORE.Window.renderOffset.y/2; - } - else - { - position.x = position.x*((float)CORE.Window.render.width/(float)CORE.Window.display.width) - CORE.Window.renderOffset.x/2; - position.y = position.y*((float)CORE.Window.render.height/(float)CORE.Window.display.height) - CORE.Window.renderOffset.y/2; - } - #endif - -#elif defined(PLATFORM_DESKTOP) - // TODO: GLFW is not supporting multi-touch input just yet - // https://www.codeproject.com/Articles/668404/Programming-for-Multi-Touch - // https://docs.microsoft.com/en-us/windows/win32/wintouch/getting-started-with-multi-touch-messages - if (index == 0) position = GetMousePosition(); -#endif - - return position; -} - -//---------------------------------------------------------------------------------- -// Module specific Functions Definition -//---------------------------------------------------------------------------------- - -// Initialize display device and framebuffer -// NOTE: width and height represent the screen (framebuffer) desired size, not actual display size -// If width or height are 0, default display size will be used for framebuffer size -// NOTE: returns false in case graphic device could not be created -static bool InitGraphicsDevice(int width, int height) -{ - CORE.Window.screen.width = width; // User desired width - CORE.Window.screen.height = height; // User desired height - - CORE.Window.screenScale = MatrixIdentity(); // No draw scaling required by default - - // NOTE: Framebuffer (render area - CORE.Window.render.width, CORE.Window.render.height) could include black bars... - // ...in top-down or left-right to match display aspect ratio (no weird scalings) - -#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) - glfwSetErrorCallback(ErrorCallback); - -#if defined(__APPLE__) - glfwInitHint(GLFW_COCOA_CHDIR_RESOURCES, GLFW_FALSE); -#endif - - if (!glfwInit()) - { - TRACELOG(LOG_WARNING, "GLFW: Failed to initialize GLFW"); - return false; - } - - // NOTE: Getting video modes is not implemented in emscripten GLFW3 version -#if defined(PLATFORM_DESKTOP) - // Find monitor resolution - GLFWmonitor *monitor = glfwGetPrimaryMonitor(); - if (!monitor) - { - TRACELOG(LOG_WARNING, "GLFW: Failed to get primary monitor"); - return false; - } - const GLFWvidmode *mode = glfwGetVideoMode(monitor); - - CORE.Window.display.width = mode->width; - CORE.Window.display.height = mode->height; - - // Screen size security check - if (CORE.Window.screen.width <= 0) CORE.Window.screen.width = CORE.Window.display.width; - if (CORE.Window.screen.height <= 0) CORE.Window.screen.height = CORE.Window.display.height; -#endif // PLATFORM_DESKTOP - -#if defined(PLATFORM_WEB) - CORE.Window.display.width = CORE.Window.screen.width; - CORE.Window.display.height = CORE.Window.screen.height; -#endif // PLATFORM_WEB - - glfwDefaultWindowHints(); // Set default windows hints: - //glfwWindowHint(GLFW_RED_BITS, 8); // Framebuffer red color component bits - //glfwWindowHint(GLFW_GREEN_BITS, 8); // Framebuffer green color component bits - //glfwWindowHint(GLFW_BLUE_BITS, 8); // Framebuffer blue color component bits - //glfwWindowHint(GLFW_ALPHA_BITS, 8); // Framebuffer alpha color component bits - //glfwWindowHint(GLFW_DEPTH_BITS, 24); // Depthbuffer bits - //glfwWindowHint(GLFW_REFRESH_RATE, 0); // Refresh rate for fullscreen window - //glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_API); // OpenGL API to use. Alternative: GLFW_OPENGL_ES_API - //glfwWindowHint(GLFW_AUX_BUFFERS, 0); // Number of auxiliar buffers -#if defined(PLATFORM_DESKTOP) && defined(SUPPORT_HIGH_DPI) - // Resize window content area based on the monitor content scale. - // NOTE: This hint only has an effect on platforms where screen coordinates and pixels always map 1:1 such as Windows and X11. - // On platforms like macOS the resolution of the framebuffer is changed independently of the window size. - glfwWindowHint(GLFW_SCALE_TO_MONITOR, GLFW_TRUE); // Scale content area based on the monitor content scale where window is placed on -#endif - - // Check some Window creation flags - if (CORE.Window.flags & FLAG_WINDOW_HIDDEN) glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE); // Visible window - else glfwWindowHint(GLFW_VISIBLE, GLFW_TRUE); // Window initially hidden - - if (CORE.Window.flags & FLAG_WINDOW_RESIZABLE) glfwWindowHint(GLFW_RESIZABLE, GLFW_TRUE); // Resizable window - else glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE); // Avoid window being resizable - - if (CORE.Window.flags & FLAG_WINDOW_UNDECORATED) glfwWindowHint(GLFW_DECORATED, GLFW_FALSE); // Border and buttons on Window - else glfwWindowHint(GLFW_DECORATED, GLFW_TRUE); // Decorated window - // FLAG_WINDOW_TRANSPARENT not supported on HTML5 and not included in any released GLFW version yet -#if defined(GLFW_TRANSPARENT_FRAMEBUFFER) - if (CORE.Window.flags & FLAG_WINDOW_TRANSPARENT) glfwWindowHint(GLFW_TRANSPARENT_FRAMEBUFFER, GLFW_TRUE); // Transparent framebuffer - else glfwWindowHint(GLFW_TRANSPARENT_FRAMEBUFFER, GLFW_FALSE); // Opaque framebuffer -#endif - - if (CORE.Window.flags & FLAG_MSAA_4X_HINT) glfwWindowHint(GLFW_SAMPLES, 4); // Tries to enable multisampling x4 (MSAA), default is 0 - - // NOTE: When asking for an OpenGL context version, most drivers provide highest supported version - // with forward compatibility to older OpenGL versions. - // For example, if using OpenGL 1.1, driver can provide a 4.3 context forward compatible. - - // Check selection OpenGL version - if (rlGetVersion() == OPENGL_21) - { - glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 2); // Choose OpenGL major version (just hint) - glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 1); // Choose OpenGL minor version (just hint) - } - else if (rlGetVersion() == OPENGL_33) - { - glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3); // Choose OpenGL major version (just hint) - glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3); // Choose OpenGL minor version (just hint) - glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE); // Profiles Hint: Only 3.3 and above! - // Values: GLFW_OPENGL_CORE_PROFILE, GLFW_OPENGL_ANY_PROFILE, GLFW_OPENGL_COMPAT_PROFILE -#if defined(__APPLE__) - glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GLFW_TRUE); // OSX Requires fordward compatibility -#else - glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GLFW_FALSE); // Fordward Compatibility Hint: Only 3.3 and above! -#endif - //glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GLFW_TRUE); // Request OpenGL DEBUG context - } - else if (rlGetVersion() == OPENGL_ES_20) // Request OpenGL ES 2.0 context - { - glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 2); - glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0); - glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_ES_API); -#if defined(PLATFORM_DESKTOP) - glfwWindowHint(GLFW_CONTEXT_CREATION_API, GLFW_EGL_CONTEXT_API); -#else - glfwWindowHint(GLFW_CONTEXT_CREATION_API, GLFW_NATIVE_CONTEXT_API); -#endif - } - - if (CORE.Window.fullscreen) - { - // remember center for switchinging from fullscreen to window - CORE.Window.position.x = CORE.Window.display.width/2 - CORE.Window.screen.width/2; - CORE.Window.position.y = CORE.Window.display.height/2 - CORE.Window.screen.height/2; - - if (CORE.Window.position.x < 0) CORE.Window.position.x = 0; - if (CORE.Window.position.y < 0) CORE.Window.position.y = 0; - - // Obtain recommended CORE.Window.display.width/CORE.Window.display.height from a valid videomode for the monitor - int count = 0; - const GLFWvidmode *modes = glfwGetVideoModes(glfwGetPrimaryMonitor(), &count); - - // Get closest video mode to desired CORE.Window.screen.width/CORE.Window.screen.height - for (int i = 0; i < count; i++) - { - if ((unsigned int)modes[i].width >= CORE.Window.screen.width) - { - if ((unsigned int)modes[i].height >= CORE.Window.screen.height) - { - CORE.Window.display.width = modes[i].width; - CORE.Window.display.height = modes[i].height; - break; - } - } - } - -#if defined(PLATFORM_DESKTOP) - // If we are windowed fullscreen, ensures that window does not minimize when focus is lost - if ((CORE.Window.screen.height == CORE.Window.display.height) && (CORE.Window.screen.width == CORE.Window.display.width)) - { - glfwWindowHint(GLFW_AUTO_ICONIFY, 0); - } -#endif - TRACELOG(LOG_WARNING, "SYSTEM: Closest fullscreen videomode: %i x %i", CORE.Window.display.width, CORE.Window.display.height); - - // NOTE: ISSUE: Closest videomode could not match monitor aspect-ratio, for example, - // for a desired screen size of 800x450 (16:9), closest supported videomode is 800x600 (4:3), - // framebuffer is rendered correctly but once displayed on a 16:9 monitor, it gets stretched - // by the sides to fit all monitor space... - - // Try to setup the most appropiate fullscreen framebuffer for the requested screenWidth/screenHeight - // It considers device display resolution mode and setups a framebuffer with black bars if required (render size/offset) - // Modified global variables: CORE.Window.screen.width/CORE.Window.screen.height - CORE.Window.render.width/CORE.Window.render.height - CORE.Window.renderOffset.x/CORE.Window.renderOffset.y - CORE.Window.screenScale - // TODO: It is a quite cumbersome solution to display size vs requested size, it should be reviewed or removed... - // HighDPI monitors are properly considered in a following similar function: SetupViewport() - SetupFramebuffer(CORE.Window.display.width, CORE.Window.display.height); - - CORE.Window.handle = glfwCreateWindow(CORE.Window.display.width, CORE.Window.display.height, CORE.Window.title, glfwGetPrimaryMonitor(), NULL); - - // NOTE: Full-screen change, not working properly... - //glfwSetWindowMonitor(CORE.Window.handle, glfwGetPrimaryMonitor(), 0, 0, CORE.Window.screen.width, CORE.Window.screen.height, GLFW_DONT_CARE); - } - else - { - // No-fullscreen window creation - CORE.Window.handle = glfwCreateWindow(CORE.Window.screen.width, CORE.Window.screen.height, CORE.Window.title, NULL, NULL); - - if (CORE.Window.handle) - { -#if defined(PLATFORM_DESKTOP) - // Center window on screen - int windowPosX = CORE.Window.display.width/2 - CORE.Window.screen.width/2; - int windowPosY = CORE.Window.display.height/2 - CORE.Window.screen.height/2; - - if (windowPosX < 0) windowPosX = 0; - if (windowPosY < 0) windowPosY = 0; - - glfwSetWindowPos(CORE.Window.handle, windowPosX, windowPosY); -#endif - CORE.Window.render.width = CORE.Window.screen.width; - CORE.Window.render.height = CORE.Window.screen.height; - } - } - - if (!CORE.Window.handle) - { - glfwTerminate(); - TRACELOG(LOG_WARNING, "GLFW: Failed to initialize Window"); - return false; - } - else - { - TRACELOG(LOG_INFO, "DISPLAY: Device initialized successfully"); -#if defined(PLATFORM_DESKTOP) - TRACELOG(LOG_INFO, " > Display size: %i x %i", CORE.Window.display.width, CORE.Window.display.height); -#endif - TRACELOG(LOG_INFO, " > Render size: %i x %i", CORE.Window.render.width, CORE.Window.render.height); - TRACELOG(LOG_INFO, " > Screen size: %i x %i", CORE.Window.screen.width, CORE.Window.screen.height); - TRACELOG(LOG_INFO, " > Viewport offsets: %i, %i", CORE.Window.renderOffset.x, CORE.Window.renderOffset.y); - } - - glfwSetWindowSizeCallback(CORE.Window.handle, WindowSizeCallback); // NOTE: Resizing not allowed by default! - glfwSetCursorEnterCallback(CORE.Window.handle, CursorEnterCallback); - glfwSetKeyCallback(CORE.Window.handle, KeyCallback); - glfwSetMouseButtonCallback(CORE.Window.handle, MouseButtonCallback); - glfwSetCursorPosCallback(CORE.Window.handle, MouseCursorPosCallback); // Track mouse position changes - glfwSetCharCallback(CORE.Window.handle, CharCallback); - glfwSetScrollCallback(CORE.Window.handle, ScrollCallback); - glfwSetWindowIconifyCallback(CORE.Window.handle, WindowIconifyCallback); - glfwSetWindowFocusCallback(CORE.Window.handle, WindowFocusCallback); - glfwSetDropCallback(CORE.Window.handle, WindowDropCallback); - - glfwMakeContextCurrent(CORE.Window.handle); - -#if !defined(PLATFORM_WEB) - glfwSwapInterval(0); // No V-Sync by default -#endif - -#if defined(PLATFORM_DESKTOP) - // Load OpenGL 3.3 extensions - // NOTE: GLFW loader function is passed as parameter - rlLoadExtensions(glfwGetProcAddress); -#endif - - // Try to enable GPU V-Sync, so frames are limited to screen refresh rate (60Hz -> 60 FPS) - // NOTE: V-Sync can be enabled by graphic driver configuration - if (CORE.Window.flags & FLAG_VSYNC_HINT) - { - // WARNING: It seems to hits a critical render path in Intel HD Graphics - glfwSwapInterval(1); - TRACELOG(LOG_INFO, "DISPLAY: Trying to enable VSYNC"); - } -#endif // PLATFORM_DESKTOP || PLATFORM_WEB - -#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_UWP) - CORE.Window.fullscreen = true; - -#if defined(PLATFORM_RPI) - bcm_host_init(); - - DISPMANX_ELEMENT_HANDLE_T dispmanElement; - DISPMANX_DISPLAY_HANDLE_T dispmanDisplay; - DISPMANX_UPDATE_HANDLE_T dispmanUpdate; - - VC_RECT_T dstRect; - VC_RECT_T srcRect; -#endif - - EGLint samples = 0; - EGLint sampleBuffer = 0; - if (CORE.Window.flags & FLAG_MSAA_4X_HINT) - { - samples = 4; - sampleBuffer = 1; - TRACELOG(LOG_INFO, "DISPLAY: Trying to enable MSAA x4"); - } - - const EGLint framebufferAttribs[] = - { - EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, // Type of context support -> Required on RPI? - //EGL_SURFACE_TYPE, EGL_WINDOW_BIT, // Don't use it on Android! - EGL_RED_SIZE, 8, // RED color bit depth (alternative: 5) - EGL_GREEN_SIZE, 8, // GREEN color bit depth (alternative: 6) - EGL_BLUE_SIZE, 8, // BLUE color bit depth (alternative: 5) - //EGL_ALPHA_SIZE, 8, // ALPHA bit depth (required for transparent framebuffer) - //EGL_TRANSPARENT_TYPE, EGL_NONE, // Request transparent framebuffer (EGL_TRANSPARENT_RGB does not work on RPI) - EGL_DEPTH_SIZE, 16, // Depth buffer size (Required to use Depth testing!) - //EGL_STENCIL_SIZE, 8, // Stencil buffer size - EGL_SAMPLE_BUFFERS, sampleBuffer, // Activate MSAA - EGL_SAMPLES, samples, // 4x Antialiasing if activated (Free on MALI GPUs) - EGL_NONE - }; - - const EGLint contextAttribs[] = - { - EGL_CONTEXT_CLIENT_VERSION, 2, - EGL_NONE - }; - -#if defined(PLATFORM_UWP) - const EGLint surfaceAttributes[] = - { - // EGL_ANGLE_SURFACE_RENDER_TO_BACK_BUFFER is part of the same optimization as EGL_ANGLE_DISPLAY_ALLOW_RENDER_TO_BACK_BUFFER (see above). - // If you have compilation issues with it then please update your Visual Studio templates. - EGL_ANGLE_SURFACE_RENDER_TO_BACK_BUFFER, EGL_TRUE, - EGL_NONE - }; - - const EGLint defaultDisplayAttributes[] = - { - // These are the default display attributes, used to request ANGLE's D3D11 renderer. - // eglInitialize will only succeed with these attributes if the hardware supports D3D11 Feature Level 10_0+. - EGL_PLATFORM_ANGLE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE, - - // EGL_ANGLE_DISPLAY_ALLOW_RENDER_TO_BACK_BUFFER is an optimization that can have large performance benefits on mobile devices. - // Its syntax is subject to change, though. Please update your Visual Studio templates if you experience compilation issues with it. - EGL_ANGLE_DISPLAY_ALLOW_RENDER_TO_BACK_BUFFER, EGL_TRUE, - - // EGL_PLATFORM_ANGLE_ENABLE_AUTOMATIC_TRIM_ANGLE is an option that enables ANGLE to automatically call - // the IDXGIDevice3::Trim method on behalf of the application when it gets suspended. - // Calling IDXGIDevice3::Trim when an application is suspended is a Windows Store application certification requirement. - EGL_PLATFORM_ANGLE_ENABLE_AUTOMATIC_TRIM_ANGLE, EGL_TRUE, - EGL_NONE, - }; - - const EGLint fl9_3DisplayAttributes[] = - { - // These can be used to request ANGLE's D3D11 renderer, with D3D11 Feature Level 9_3. - // These attributes are used if the call to eglInitialize fails with the default display attributes. - EGL_PLATFORM_ANGLE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE, - EGL_PLATFORM_ANGLE_MAX_VERSION_MAJOR_ANGLE, 9, - EGL_PLATFORM_ANGLE_MAX_VERSION_MINOR_ANGLE, 3, - EGL_ANGLE_DISPLAY_ALLOW_RENDER_TO_BACK_BUFFER, EGL_TRUE, - EGL_PLATFORM_ANGLE_ENABLE_AUTOMATIC_TRIM_ANGLE, EGL_TRUE, - EGL_NONE, - }; - - const EGLint warpDisplayAttributes[] = - { - // These attributes can be used to request D3D11 WARP. - // They are used if eglInitialize fails with both the default display attributes and the 9_3 display attributes. - EGL_PLATFORM_ANGLE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE, - EGL_PLATFORM_ANGLE_DEVICE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_DEVICE_TYPE_WARP_ANGLE, - EGL_ANGLE_DISPLAY_ALLOW_RENDER_TO_BACK_BUFFER, EGL_TRUE, - EGL_PLATFORM_ANGLE_ENABLE_AUTOMATIC_TRIM_ANGLE, EGL_TRUE, - EGL_NONE, - }; - - // eglGetPlatformDisplayEXT is an alternative to eglGetDisplay. It allows us to pass in display attributes, used to configure D3D11. - PFNEGLGETPLATFORMDISPLAYEXTPROC eglGetPlatformDisplayEXT = (PFNEGLGETPLATFORMDISPLAYEXTPROC)(eglGetProcAddress("eglGetPlatformDisplayEXT")); - if (!eglGetPlatformDisplayEXT) - { - TRACELOG(LOG_WARNING, "DISPLAY: Failed to get function eglGetPlatformDisplayEXT"); - return false; - } - - // - // To initialize the display, we make three sets of calls to eglGetPlatformDisplayEXT and eglInitialize, with varying - // parameters passed to eglGetPlatformDisplayEXT: - // 1) The first calls uses "defaultDisplayAttributes" as a parameter. This corresponds to D3D11 Feature Level 10_0+. - // 2) If eglInitialize fails for step 1 (e.g. because 10_0+ isn't supported by the default GPU), then we try again - // using "fl9_3DisplayAttributes". This corresponds to D3D11 Feature Level 9_3. - // 3) If eglInitialize fails for step 2 (e.g. because 9_3+ isn't supported by the default GPU), then we try again - // using "warpDisplayAttributes". This corresponds to D3D11 Feature Level 11_0 on WARP, a D3D11 software rasterizer. - // - - // This tries to initialize EGL to D3D11 Feature Level 10_0+. See above comment for details. - CORE.Window.device = eglGetPlatformDisplayEXT(EGL_PLATFORM_ANGLE_ANGLE, EGL_DEFAULT_DISPLAY, defaultDisplayAttributes); - if (CORE.Window.device == EGL_NO_DISPLAY) - { - TRACELOG(LOG_WARNING, "DISPLAY: Failed to initialize EGL device"); - return false; - } - - if (eglInitialize(CORE.Window.device, NULL, NULL) == EGL_FALSE) - { - // This tries to initialize EGL to D3D11 Feature Level 9_3, if 10_0+ is unavailable (e.g. on some mobile devices). - CORE.Window.device = eglGetPlatformDisplayEXT(EGL_PLATFORM_ANGLE_ANGLE, EGL_DEFAULT_DISPLAY, fl9_3DisplayAttributes); - if (CORE.Window.device == EGL_NO_DISPLAY) - { - TRACELOG(LOG_WARNING, "DISPLAY: Failed to initialize EGL device"); - return false; - } - - if (eglInitialize(CORE.Window.device, NULL, NULL) == EGL_FALSE) - { - // This initializes EGL to D3D11 Feature Level 11_0 on WARP, if 9_3+ is unavailable on the default GPU. - CORE.Window.device = eglGetPlatformDisplayEXT(EGL_PLATFORM_ANGLE_ANGLE, EGL_DEFAULT_DISPLAY, warpDisplayAttributes); - if (CORE.Window.device == EGL_NO_DISPLAY) - { - TRACELOG(LOG_WARNING, "DISPLAY: Failed to initialize EGL device"); - return false; - } - - if (eglInitialize(CORE.Window.device, NULL, NULL) == EGL_FALSE) - { - // If all of the calls to eglInitialize returned EGL_FALSE then an error has occurred. - TRACELOG(LOG_WARNING, "DISPLAY: Failed to initialize EGL device"); - return false; - } - } - } - - EGLint numConfigs = 0; - if ((eglChooseConfig(CORE.Window.device, framebufferAttribs, &CORE.Window.config, 1, &numConfigs) == EGL_FALSE) || (numConfigs == 0)) - { - TRACELOG(LOG_WARNING, "DISPLAY: Failed to choose first EGL configuration"); - return false; - } - - // Create a PropertySet and initialize with the EGLNativeWindowType. - //PropertySet^ surfaceCreationProperties = ref new PropertySet(); - //surfaceCreationProperties->Insert(ref new String(EGLNativeWindowTypeProperty), window); // CoreWindow^ window - - // You can configure the surface to render at a lower resolution and be scaled up to - // the full window size. The scaling is often free on mobile hardware. - // - // One way to configure the SwapChainPanel is to specify precisely which resolution it should render at. - // Size customRenderSurfaceSize = Size(800, 600); - // surfaceCreationProperties->Insert(ref new String(EGLRenderSurfaceSizeProperty), PropertyValue::CreateSize(customRenderSurfaceSize)); - // - // Another way is to tell the SwapChainPanel to render at a certain scale factor compared to its size. - // e.g. if the SwapChainPanel is 1920x1280 then setting a factor of 0.5f will make the app render at 960x640 - // float customResolutionScale = 0.5f; - // surfaceCreationProperties->Insert(ref new String(EGLRenderResolutionScaleProperty), PropertyValue::CreateSingle(customResolutionScale)); - - - // eglCreateWindowSurface() requires a EGLNativeWindowType parameter, - // In Windows platform: typedef HWND EGLNativeWindowType; - - - // Property: EGLNativeWindowTypeProperty - // Type: IInspectable - // Description: Set this property to specify the window type to use for creating a surface. - // If this property is missing, surface creation will fail. - // - //const wchar_t EGLNativeWindowTypeProperty[] = L"EGLNativeWindowTypeProperty"; - - //https://stackoverflow.com/questions/46550182/how-to-create-eglsurface-using-c-winrt-and-angle - - //CORE.Window.surface = eglCreateWindowSurface(CORE.Window.device, CORE.Window.config, reinterpret_cast(surfaceCreationProperties), surfaceAttributes); - CORE.Window.surface = eglCreateWindowSurface(CORE.Window.device, CORE.Window.config, (EGLNativeWindowType) UWPGetCoreWindowPtr(), surfaceAttributes); - if (CORE.Window.surface == EGL_NO_SURFACE) - { - TRACELOG(LOG_WARNING, "DISPLAY: Failed to create EGL fullscreen surface"); - return false; - } - - CORE.Window.context = eglCreateContext(CORE.Window.device, CORE.Window.config, EGL_NO_CONTEXT, contextAttribs); - if (CORE.Window.context == EGL_NO_CONTEXT) - { - TRACELOG(LOG_WARNING, "DISPLAY: Failed to create EGL context"); - return false; - } - - // Get EGL device window size - eglQuerySurface(CORE.Window.device, CORE.Window.surface, EGL_WIDTH, &CORE.Window.screen.width); - eglQuerySurface(CORE.Window.device, CORE.Window.surface, EGL_HEIGHT, &CORE.Window.screen.height); - - // Get display size - UWPGetDisplaySizeFunc()(&CORE.Window.display.width, &CORE.Window.display.height); - -#endif // PLATFORM_UWP - -#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) - EGLint numConfigs = 0; - - // Get an EGL device connection - CORE.Window.device = eglGetDisplay(EGL_DEFAULT_DISPLAY); - if (CORE.Window.device == EGL_NO_DISPLAY) - { - TRACELOG(LOG_WARNING, "DISPLAY: Failed to initialize EGL device"); - return false; - } - - // Initialize the EGL device connection - if (eglInitialize(CORE.Window.device, NULL, NULL) == EGL_FALSE) - { - // If all of the calls to eglInitialize returned EGL_FALSE then an error has occurred. - TRACELOG(LOG_WARNING, "DISPLAY: Failed to initialize EGL device"); - return false; - } - - // Get an appropriate EGL framebuffer configuration - eglChooseConfig(CORE.Window.device, framebufferAttribs, &CORE.Window.config, 1, &numConfigs); - - // Set rendering API - eglBindAPI(EGL_OPENGL_ES_API); - - // Create an EGL rendering context - CORE.Window.context = eglCreateContext(CORE.Window.device, CORE.Window.config, EGL_NO_CONTEXT, contextAttribs); - if (CORE.Window.context == EGL_NO_CONTEXT) - { - TRACELOG(LOG_WARNING, "DISPLAY: Failed to create EGL context"); - return false; - } -#endif - - // Create an EGL window surface - //--------------------------------------------------------------------------------- -#if defined(PLATFORM_ANDROID) - EGLint displayFormat = 0; - - // EGL_NATIVE_VISUAL_ID is an attribute of the EGLConfig that is guaranteed to be accepted by ANativeWindow_setBuffersGeometry() - // As soon as we picked a EGLConfig, we can safely reconfigure the ANativeWindow buffers to match, using EGL_NATIVE_VISUAL_ID - eglGetConfigAttrib(CORE.Window.device, CORE.Window.config, EGL_NATIVE_VISUAL_ID, &displayFormat); - - // At this point we need to manage render size vs screen size - // NOTE: This function use and modify global module variables: CORE.Window.screen.width/CORE.Window.screen.height and CORE.Window.render.width/CORE.Window.render.height and CORE.Window.screenScale - SetupFramebuffer(CORE.Window.display.width, CORE.Window.display.height); - - ANativeWindow_setBuffersGeometry(CORE.Android.app->window, CORE.Window.render.width, CORE.Window.render.height, displayFormat); - //ANativeWindow_setBuffersGeometry(CORE.Android.app->window, 0, 0, displayFormat); // Force use of native display size - - CORE.Window.surface = eglCreateWindowSurface(CORE.Window.device, CORE.Window.config, CORE.Android.app->window, NULL); -#endif // PLATFORM_ANDROID - -#if defined(PLATFORM_RPI) - graphics_get_display_size(0, &CORE.Window.display.width, &CORE.Window.display.height); - - // Screen size security check - if (CORE.Window.screen.width <= 0) CORE.Window.screen.width = CORE.Window.display.width; - if (CORE.Window.screen.height <= 0) CORE.Window.screen.height = CORE.Window.display.height; - - // At this point we need to manage render size vs screen size - // NOTE: This function use and modify global module variables: CORE.Window.screen.width/CORE.Window.screen.height and CORE.Window.render.width/CORE.Window.render.height and CORE.Window.screenScale - SetupFramebuffer(CORE.Window.display.width, CORE.Window.display.height); - - dstRect.x = 0; - dstRect.y = 0; - dstRect.width = CORE.Window.display.width; - dstRect.height = CORE.Window.display.height; - - srcRect.x = 0; - srcRect.y = 0; - srcRect.width = CORE.Window.render.width << 16; - srcRect.height = CORE.Window.render.height << 16; - - // NOTE: RPI dispmanx windowing system takes care of srcRec scaling to dstRec by hardware (no cost) - // Take care that renderWidth/renderHeight fit on displayWidth/displayHeight aspect ratio - - VC_DISPMANX_ALPHA_T alpha; - alpha.flags = DISPMANX_FLAGS_ALPHA_FIXED_ALL_PIXELS; - //alpha.flags = DISPMANX_FLAGS_ALPHA_FROM_SOURCE; // TODO: Allow transparent framebuffer! -> FLAG_WINDOW_TRANSPARENT - alpha.opacity = 255; // Set transparency level for framebuffer, requires EGLAttrib: EGL_TRANSPARENT_TYPE - alpha.mask = 0; - - dispmanDisplay = vc_dispmanx_display_open(0); // LCD - dispmanUpdate = vc_dispmanx_update_start(0); - - dispmanElement = vc_dispmanx_element_add(dispmanUpdate, dispmanDisplay, 0/*layer*/, &dstRect, 0/*src*/, - &srcRect, DISPMANX_PROTECTION_NONE, &alpha, 0/*clamp*/, DISPMANX_NO_ROTATE); - - CORE.Window.handle.element = dispmanElement; - CORE.Window.handle.width = CORE.Window.render.width; - CORE.Window.handle.height = CORE.Window.render.height; - vc_dispmanx_update_submit_sync(dispmanUpdate); - - CORE.Window.surface = eglCreateWindowSurface(CORE.Window.device, CORE.Window.config, &CORE.Window.handle, NULL); - //--------------------------------------------------------------------------------- -#endif // PLATFORM_RPI - - // There must be at least one frame displayed before the buffers are swapped - //eglSwapInterval(CORE.Window.device, 1); - - if (eglMakeCurrent(CORE.Window.device, CORE.Window.surface, CORE.Window.surface, CORE.Window.context) == EGL_FALSE) - { - TRACELOG(LOG_WARNING, "DISPLAY: Failed to attach EGL rendering context to EGL surface"); - return false; - } - else - { - // Grab the width and height of the surface -#if defined(PLATFORM_UWP) - CORE.Window.render.width = CORE.Window.screen.width; - CORE.Window.render.height = CORE.Window.screen.height; -#else - CORE.Window.render.width = CORE.Window.display.width; - CORE.Window.render.height = CORE.Window.display.height; -#endif - - TRACELOG(LOG_INFO, "DISPLAY: Device initialized successfully"); - TRACELOG(LOG_INFO, " > Display size: %i x %i", CORE.Window.display.width, CORE.Window.display.height); - TRACELOG(LOG_INFO, " > Render size: %i x %i", CORE.Window.render.width, CORE.Window.render.height); - TRACELOG(LOG_INFO, " > Screen size: %i x %i", CORE.Window.screen.width, CORE.Window.screen.height); - TRACELOG(LOG_INFO, " > Viewport offsets: %i, %i", CORE.Window.renderOffset.x, CORE.Window.renderOffset.y); - } -#endif // PLATFORM_ANDROID || PLATFORM_RPI - - // Initialize OpenGL context (states and resources) - // NOTE: CORE.Window.screen.width and CORE.Window.screen.height not used, just stored as globals in rlgl - rlglInit(CORE.Window.screen.width, CORE.Window.screen.height); - - int fbWidth = CORE.Window.render.width; - int fbHeight = CORE.Window.render.height; - -#if defined(PLATFORM_DESKTOP) && defined(SUPPORT_HIGH_DPI) - glfwGetFramebufferSize(CORE.Window.handle, &fbWidth, &fbHeight); - - // Screen scaling matrix is required in case desired screen area is different than display area - CORE.Window.screenScale = MatrixScale((float)fbWidth/CORE.Window.screen.width, (float)fbHeight/CORE.Window.screen.height, 1.0f); -#if !defined(__APPLE__) - SetMouseScale((float)CORE.Window.screen.width/fbWidth, (float)CORE.Window.screen.height/fbHeight); -#endif -#endif // PLATFORM_DESKTOP && SUPPORT_HIGH_DPI - - // Setup default viewport - SetupViewport(fbWidth, fbHeight); - - CORE.Window.currentFbo.width = CORE.Window.screen.width; - CORE.Window.currentFbo.height = CORE.Window.screen.height; - - ClearBackground(RAYWHITE); // Default background color for raylib games :P - -#if defined(PLATFORM_ANDROID) || defined(PLATFORM_UWP) - CORE.Window.ready = true; -#endif - return true; -} - -// Set viewport for a provided width and height -static void SetupViewport(int width, int height) -{ - CORE.Window.render.width = width; - CORE.Window.render.height = height; - - // Set viewport width and height - // NOTE: We consider render size and offset in case black bars are required and - // render area does not match full display area (this situation is only applicable on fullscreen mode) - rlViewport(CORE.Window.renderOffset.x/2, CORE.Window.renderOffset.y/2, CORE.Window.render.width - CORE.Window.renderOffset.x, CORE.Window.render.height - CORE.Window.renderOffset.y); - - rlMatrixMode(RL_PROJECTION); // Switch to projection matrix - rlLoadIdentity(); // Reset current matrix (projection) - - // Set orthographic projection to current framebuffer size - // NOTE: Configured top-left corner as (0, 0) - rlOrtho(0, CORE.Window.render.width, CORE.Window.render.height, 0, 0.0f, 1.0f); - - rlMatrixMode(RL_MODELVIEW); // Switch back to modelview matrix - rlLoadIdentity(); // Reset current matrix (modelview) -} - -// Compute framebuffer size relative to screen size and display size -// NOTE: Global variables CORE.Window.render.width/CORE.Window.render.height and CORE.Window.renderOffset.x/CORE.Window.renderOffset.y can be modified -static void SetupFramebuffer(int width, int height) -{ - // Calculate CORE.Window.render.width and CORE.Window.render.height, we have the display size (input params) and the desired screen size (global var) - if ((CORE.Window.screen.width > CORE.Window.display.width) || (CORE.Window.screen.height > CORE.Window.display.height)) - { - TRACELOG(LOG_WARNING, "DISPLAY: Downscaling required: Screen size (%ix%i) is bigger than display size (%ix%i)", CORE.Window.screen.width, CORE.Window.screen.height, CORE.Window.display.width, CORE.Window.display.height); - - // Downscaling to fit display with border-bars - float widthRatio = (float)CORE.Window.display.width/(float)CORE.Window.screen.width; - float heightRatio = (float)CORE.Window.display.height/(float)CORE.Window.screen.height; - - if (widthRatio <= heightRatio) - { - CORE.Window.render.width = CORE.Window.display.width; - CORE.Window.render.height = (int)round((float)CORE.Window.screen.height*widthRatio); - CORE.Window.renderOffset.x = 0; - CORE.Window.renderOffset.y = (CORE.Window.display.height - CORE.Window.render.height); - } - else - { - CORE.Window.render.width = (int)round((float)CORE.Window.screen.width*heightRatio); - CORE.Window.render.height = CORE.Window.display.height; - CORE.Window.renderOffset.x = (CORE.Window.display.width - CORE.Window.render.width); - CORE.Window.renderOffset.y = 0; - } - - // Screen scaling required - float scaleRatio = (float)CORE.Window.render.width/(float)CORE.Window.screen.width; - CORE.Window.screenScale = MatrixScale(scaleRatio, scaleRatio, 1.0f); - - // NOTE: We render to full display resolution! - // We just need to calculate above parameters for downscale matrix and offsets - CORE.Window.render.width = CORE.Window.display.width; - CORE.Window.render.height = CORE.Window.display.height; - - TRACELOG(LOG_WARNING, "DISPLAY: Downscale matrix generated, content will be rendered at (%ix%i)", CORE.Window.render.width, CORE.Window.render.height); - } - else if ((CORE.Window.screen.width < CORE.Window.display.width) || (CORE.Window.screen.height < CORE.Window.display.height)) - { - // Required screen size is smaller than display size - TRACELOG(LOG_INFO, "DISPLAY: Upscaling required: Screen size (%ix%i) smaller than display size (%ix%i)", CORE.Window.screen.width, CORE.Window.screen.height, CORE.Window.display.width, CORE.Window.display.height); - - // Upscaling to fit display with border-bars - float displayRatio = (float)CORE.Window.display.width/(float)CORE.Window.display.height; - float screenRatio = (float)CORE.Window.screen.width/(float)CORE.Window.screen.height; - - if (displayRatio <= screenRatio) - { - CORE.Window.render.width = CORE.Window.screen.width; - CORE.Window.render.height = (int)round((float)CORE.Window.screen.width/displayRatio); - CORE.Window.renderOffset.x = 0; - CORE.Window.renderOffset.y = (CORE.Window.render.height - CORE.Window.screen.height); - } - else - { - CORE.Window.render.width = (int)round((float)CORE.Window.screen.height*displayRatio); - CORE.Window.render.height = CORE.Window.screen.height; - CORE.Window.renderOffset.x = (CORE.Window.render.width - CORE.Window.screen.width); - CORE.Window.renderOffset.y = 0; - } - } - else - { - CORE.Window.render.width = CORE.Window.screen.width; - CORE.Window.render.height = CORE.Window.screen.height; - CORE.Window.renderOffset.x = 0; - CORE.Window.renderOffset.y = 0; - } -} - -// Initialize hi-resolution timer -static void InitTimer(void) -{ - srand((unsigned int)time(NULL)); // Initialize random seed - -#if !defined(SUPPORT_BUSY_WAIT_LOOP) && defined(_WIN32) && !defined(PLATFORM_UWP) - timeBeginPeriod(1); // Setup high-resolution timer to 1ms (granularity of 1-2 ms) -#endif - -#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) - struct timespec now; - - if (clock_gettime(CLOCK_MONOTONIC, &now) == 0) // Success - { - CORE.Time.base = (unsigned long long int)now.tv_sec*1000000000LLU + (unsigned long long int)now.tv_nsec; - } - else TRACELOG(LOG_WARNING, "TIMER: Hi-resolution timer not available"); -#endif - - CORE.Time.previous = GetTime(); // Get time as double -} - -// Wait for some milliseconds (stop program execution) -// NOTE: Sleep() granularity could be around 10 ms, it means, Sleep() could -// take longer than expected... for that reason we use the busy wait loop -// Ref: http://stackoverflow.com/questions/43057578/c-programming-win32-games-sleep-taking-longer-than-expected -// Ref: http://www.geisswerks.com/ryan/FAQS/timing.html --> All about timming on Win32! -static void Wait(float ms) -{ -#if defined(PLATFORM_UWP) - UWPGetSleepFunc()(ms/1000); - return; -#endif - -#if defined(SUPPORT_BUSY_WAIT_LOOP) - double prevTime = GetTime(); - double nextTime = 0.0; - - // Busy wait loop - while ((nextTime - prevTime) < ms/1000.0f) nextTime = GetTime(); -#else - #if defined(SUPPORT_HALFBUSY_WAIT_LOOP) - #define MAX_HALFBUSY_WAIT_TIME 4 - double destTime = GetTime() + ms/1000; - if (ms > MAX_HALFBUSY_WAIT_TIME) ms -= MAX_HALFBUSY_WAIT_TIME; - #endif - - #if defined(_WIN32) - Sleep((unsigned int)ms); - #elif defined(__linux__) || defined(PLATFORM_WEB) - struct timespec req = { 0 }; - time_t sec = (int)(ms/1000.0f); - ms -= (sec*1000); - req.tv_sec = sec; - req.tv_nsec = ms*1000000L; - - // NOTE: Use nanosleep() on Unix platforms... usleep() it's deprecated. - while (nanosleep(&req, &req) == -1) continue; - #elif defined(__APPLE__) - usleep(ms*1000.0f); - #endif - - #if defined(SUPPORT_HALFBUSY_WAIT_LOOP) - while (GetTime() < destTime) { } - #endif -#endif -} - -// Get gamepad button generic to all platforms -static int GetGamepadButton(int button) -{ - int btn = GAMEPAD_BUTTON_UNKNOWN; -#if defined(PLATFORM_DESKTOP) - switch (button) - { - case GLFW_GAMEPAD_BUTTON_Y: btn = GAMEPAD_BUTTON_RIGHT_FACE_UP; break; - case GLFW_GAMEPAD_BUTTON_B: btn = GAMEPAD_BUTTON_RIGHT_FACE_RIGHT; break; - case GLFW_GAMEPAD_BUTTON_A: btn = GAMEPAD_BUTTON_RIGHT_FACE_DOWN; break; - case GLFW_GAMEPAD_BUTTON_X: btn = GAMEPAD_BUTTON_RIGHT_FACE_LEFT; break; - - case GLFW_GAMEPAD_BUTTON_LEFT_BUMPER: btn = GAMEPAD_BUTTON_LEFT_TRIGGER_1; break; - case GLFW_GAMEPAD_BUTTON_RIGHT_BUMPER: btn = GAMEPAD_BUTTON_RIGHT_TRIGGER_1; break; - - case GLFW_GAMEPAD_BUTTON_BACK: btn = GAMEPAD_BUTTON_MIDDLE_LEFT; break; - case GLFW_GAMEPAD_BUTTON_GUIDE: btn = GAMEPAD_BUTTON_MIDDLE; break; - case GLFW_GAMEPAD_BUTTON_START: btn = GAMEPAD_BUTTON_MIDDLE_RIGHT; break; - - case GLFW_GAMEPAD_BUTTON_DPAD_UP: btn = GAMEPAD_BUTTON_LEFT_FACE_UP; break; - case GLFW_GAMEPAD_BUTTON_DPAD_RIGHT: btn = GAMEPAD_BUTTON_LEFT_FACE_RIGHT; break; - case GLFW_GAMEPAD_BUTTON_DPAD_DOWN: btn = GAMEPAD_BUTTON_LEFT_FACE_DOWN; break; - case GLFW_GAMEPAD_BUTTON_DPAD_LEFT: btn = GAMEPAD_BUTTON_LEFT_FACE_LEFT; break; - - case GLFW_GAMEPAD_BUTTON_LEFT_THUMB: btn = GAMEPAD_BUTTON_LEFT_THUMB; break; - case GLFW_GAMEPAD_BUTTON_RIGHT_THUMB: btn = GAMEPAD_BUTTON_RIGHT_THUMB; break; - } -#endif - -#if defined(PLATFORM_UWP) - btn = button; // UWP will provide the correct button -#endif - -#if defined(PLATFORM_WEB) - // Gamepad Buttons reference: https://www.w3.org/TR/gamepad/#gamepad-interface - switch (button) - { - case 0: btn = GAMEPAD_BUTTON_RIGHT_FACE_DOWN; break; - case 1: btn = GAMEPAD_BUTTON_RIGHT_FACE_RIGHT; break; - case 2: btn = GAMEPAD_BUTTON_RIGHT_FACE_LEFT; break; - case 3: btn = GAMEPAD_BUTTON_RIGHT_FACE_UP; break; - case 4: btn = GAMEPAD_BUTTON_LEFT_TRIGGER_1; break; - case 5: btn = GAMEPAD_BUTTON_RIGHT_TRIGGER_1; break; - case 6: btn = GAMEPAD_BUTTON_LEFT_TRIGGER_2; break; - case 7: btn = GAMEPAD_BUTTON_RIGHT_TRIGGER_2; break; - case 8: btn = GAMEPAD_BUTTON_MIDDLE_LEFT; break; - case 9: btn = GAMEPAD_BUTTON_MIDDLE_RIGHT; break; - case 10: btn = GAMEPAD_BUTTON_LEFT_THUMB; break; - case 11: btn = GAMEPAD_BUTTON_RIGHT_THUMB; break; - case 12: btn = GAMEPAD_BUTTON_LEFT_FACE_UP; break; - case 13: btn = GAMEPAD_BUTTON_LEFT_FACE_DOWN; break; - case 14: btn = GAMEPAD_BUTTON_LEFT_FACE_LEFT; break; - case 15: btn = GAMEPAD_BUTTON_LEFT_FACE_RIGHT; break; - } -#endif - - return btn; -} - -// Poll (store) all input events -static void PollInputEvents(void) -{ -#if defined(SUPPORT_GESTURES_SYSTEM) - // NOTE: Gestures update must be called every frame to reset gestures correctly - // because ProcessGestureEvent() is just called on an event, not every frame - UpdateGestures(); -#endif - - // Reset key pressed registered - CORE.Input.Keyboard.keyPressedQueueCount = 0; - -#if !defined(PLATFORM_RPI) - // Reset last gamepad button/axis registered state - CORE.Input.Gamepad.lastButtonPressed = -1; - CORE.Input.Gamepad.axisCount = 0; -#endif - -#if defined(PLATFORM_RPI) - // Register previous keys states - for (int i = 0; i < 512; i++) CORE.Input.Keyboard.previousKeyState[i] = CORE.Input.Keyboard.currentKeyState[i]; - - // Grab a keypress from the evdev fifo if avalable - if (CORE.Input.Keyboard.lastKeyPressed.head != CORE.Input.Keyboard.lastKeyPressed.tail) - { - CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = CORE.Input.Keyboard.lastKeyPressed.contents[CORE.Input.Keyboard.lastKeyPressed.tail]; // Read the key from the buffer - CORE.Input.Keyboard.keyPressedQueueCount++; - - CORE.Input.Keyboard.lastKeyPressed.tail = (CORE.Input.Keyboard.lastKeyPressed.tail + 1) & 0x07; // Increment the tail pointer forwards and binary wraparound after 7 (fifo is 8 elements long) - } - - // Register previous mouse states - CORE.Input.Mouse.previousWheelMove = CORE.Input.Mouse.currentWheelMove; - CORE.Input.Mouse.currentWheelMove = 0; - for (int i = 0; i < 3; i++) - { - CORE.Input.Mouse.previousButtonState[i] = CORE.Input.Mouse.currentButtonState[i]; - CORE.Input.Mouse.currentButtonState[i] = CORE.Input.Mouse.currentButtonStateEvdev[i]; - } -#endif - -#if defined(PLATFORM_UWP) - // Register previous keys states - for (int i = 0; i < 512; i++) CORE.Input.Keyboard.previousKeyState[i] = CORE.Input.Keyboard.currentKeyState[i]; - - for (int i = 0; i < MAX_GAMEPADS; i++) - { - if (CORE.Input.Gamepad.ready[i]) - { - for (int k = 0; k < MAX_GAMEPAD_BUTTONS; k++) CORE.Input.Gamepad.previousState[i][k] = CORE.Input.Gamepad.currentState[i][k]; - } - } - - // Register previous mouse states - CORE.Input.Mouse.previousWheelMove = CORE.Input.Mouse.currentWheelMove; - CORE.Input.Mouse.currentWheelMove = 0; - - for (int i = 0; i < 3; i++) CORE.Input.Mouse.previousButtonState[i] = CORE.Input.Mouse.currentButtonState[i]; -#endif // PLATFORM_UWP - -#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) - // Keyboard/Mouse input polling (automatically managed by GLFW3 through callback) - - // Register previous keys states - for (int i = 0; i < 512; i++) CORE.Input.Keyboard.previousKeyState[i] = CORE.Input.Keyboard.currentKeyState[i]; - - // Register previous mouse states - for (int i = 0; i < 3; i++) CORE.Input.Mouse.previousButtonState[i] = CORE.Input.Mouse.currentButtonState[i]; - - // Register previous mouse wheel state - CORE.Input.Mouse.previousWheelMove = CORE.Input.Mouse.currentWheelMove; - CORE.Input.Mouse.currentWheelMove = 0; -#endif - - // Register previous touch states - for (int i = 0; i < MAX_TOUCH_POINTS; i++) CORE.Input.Touch.previousTouchState[i] = CORE.Input.Touch.currentTouchState[i]; - -#if defined(PLATFORM_DESKTOP) - // Check if gamepads are ready - // NOTE: We do it here in case of disconnection - for (int i = 0; i < MAX_GAMEPADS; i++) - { - if (glfwJoystickPresent(i)) CORE.Input.Gamepad.ready[i] = true; - else CORE.Input.Gamepad.ready[i] = false; - } - - // Register gamepads buttons events - for (int i = 0; i < MAX_GAMEPADS; i++) - { - if (CORE.Input.Gamepad.ready[i]) // Check if gamepad is available - { - // Register previous gamepad states - for (int k = 0; k < MAX_GAMEPAD_BUTTONS; k++) CORE.Input.Gamepad.previousState[i][k] = CORE.Input.Gamepad.currentState[i][k]; - - // Get current gamepad state - // NOTE: There is no callback available, so we get it manually - // Get remapped buttons - GLFWgamepadstate state = { 0 }; - glfwGetGamepadState(i, &state); // This remapps all gamepads so they have their buttons mapped like an xbox controller - - const unsigned char *buttons = state.buttons; - - for (int k = 0; (buttons != NULL) && (k < GLFW_GAMEPAD_BUTTON_DPAD_LEFT + 1) && (k < MAX_GAMEPAD_BUTTONS); k++) - { - const GamepadButton button = GetGamepadButton(k); - - if (buttons[k] == GLFW_PRESS) - { - CORE.Input.Gamepad.currentState[i][button] = 1; - CORE.Input.Gamepad.lastButtonPressed = button; - } - else CORE.Input.Gamepad.currentState[i][button] = 0; - } - - // Get current axis state - const float *axes = state.axes; - - for (int k = 0; (axes != NULL) && (k < GLFW_GAMEPAD_AXIS_LAST + 1) && (k < MAX_GAMEPAD_AXIS); k++) - { - CORE.Input.Gamepad.axisState[i][k] = axes[k]; - } - - // Register buttons for 2nd triggers (because GLFW doesn't count these as buttons but rather axis) - CORE.Input.Gamepad.currentState[i][GAMEPAD_BUTTON_LEFT_TRIGGER_2] = (char)(CORE.Input.Gamepad.axisState[i][GAMEPAD_AXIS_LEFT_TRIGGER] > 0.1); - CORE.Input.Gamepad.currentState[i][GAMEPAD_BUTTON_RIGHT_TRIGGER_2] = (char)(CORE.Input.Gamepad.axisState[i][GAMEPAD_AXIS_RIGHT_TRIGGER] > 0.1); - - CORE.Input.Gamepad.axisCount = GLFW_GAMEPAD_AXIS_LAST; - } - } - - CORE.Window.resized = false; - -#if defined(SUPPORT_EVENTS_WAITING) - glfwWaitEvents(); -#else - glfwPollEvents(); // Register keyboard/mouse events (callbacks)... and window events! -#endif -#endif //defined(PLATFORM_DESKTOP) - -// Gamepad support using emscripten API -// NOTE: GLFW3 joystick functionality not available in web -#if defined(PLATFORM_WEB) - // Get number of gamepads connected - int numGamepads = 0; - if (emscripten_sample_gamepad_data() == EMSCRIPTEN_RESULT_SUCCESS) numGamepads = emscripten_get_num_gamepads(); - - for (int i = 0; (i < numGamepads) && (i < MAX_GAMEPADS); i++) - { - // Register previous gamepad button states - for (int k = 0; k < MAX_GAMEPAD_BUTTONS; k++) CORE.Input.Gamepad.previousState[i][k] = CORE.Input.Gamepad.currentState[i][k]; - - EmscriptenGamepadEvent gamepadState; - - int result = emscripten_get_gamepad_status(i, &gamepadState); - - if (result == EMSCRIPTEN_RESULT_SUCCESS) - { - // Register buttons data for every connected gamepad - for (int j = 0; (j < gamepadState.numButtons) && (j < MAX_GAMEPAD_BUTTONS); j++) - { - const GamepadButton button = GetGamepadButton(j); - if (gamepadState.digitalButton[j] == 1) - { - CORE.Input.Gamepad.currentState[i][button] = 1; - CORE.Input.Gamepad.lastButtonPressed = button; - } - else CORE.Input.Gamepad.currentState[i][button] = 0; - - //TRACELOGD("INPUT: Gamepad %d, button %d: Digital: %d, Analog: %g", gamepadState.index, j, gamepadState.digitalButton[j], gamepadState.analogButton[j]); - } - - // Register axis data for every connected gamepad - for (int j = 0; (j < gamepadState.numAxes) && (j < MAX_GAMEPAD_AXIS); j++) - { - CORE.Input.Gamepad.axisState[i][j] = gamepadState.axis[j]; - } - - CORE.Input.Gamepad.axisCount = gamepadState.numAxes; - } - } -#endif - -#if defined(PLATFORM_ANDROID) - // Register previous keys states - // NOTE: Android supports up to 260 keys - for (int i = 0; i < 260; i++) CORE.Input.Keyboard.previousKeyState[i] = CORE.Input.Keyboard.currentKeyState[i]; - - // Android ALooper_pollAll() variables - int pollResult = 0; - int pollEvents = 0; - - // Poll Events (registered events) - // NOTE: Activity is paused if not enabled (CORE.Android.appEnabled) - while ((pollResult = ALooper_pollAll(CORE.Android.appEnabled? 0 : -1, NULL, &pollEvents, (void**)&CORE.Android.source)) >= 0) - { - // Process this event - if (CORE.Android.source != NULL) CORE.Android.source->process(CORE.Android.app, CORE.Android.source); - - // NOTE: Never close window, native activity is controlled by the system! - if (CORE.Android.app->destroyRequested != 0) - { - //CORE.Window.shouldClose = true; - //ANativeActivity_finish(CORE.Android.app->activity); - } - } -#endif - -#if defined(PLATFORM_RPI) && defined(SUPPORT_SSH_KEYBOARD_RPI) - // NOTE: Keyboard reading could be done using input_event(s) reading or just read from stdin, - // we now use both methods inside here. 2nd method is still used for legacy purposes (Allows for input trough SSH console) - ProcessKeyboard(); - - // NOTE: Mouse input events polling is done asynchronously in another pthread - EventThread() - // NOTE: Gamepad (Joystick) input events polling is done asynchonously in another pthread - GamepadThread() -#endif -} - -// Copy back buffer to front buffers -static void SwapBuffers(void) -{ -#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) - glfwSwapBuffers(CORE.Window.handle); -#endif - -#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_UWP) - eglSwapBuffers(CORE.Window.device, CORE.Window.surface); -#endif -} - -#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) -// GLFW3 Error Callback, runs on GLFW3 error -static void ErrorCallback(int error, const char *description) -{ - TRACELOG(LOG_WARNING, "GLFW: Error: %i Description: %s", error, description); -} - -// GLFW3 Srolling Callback, runs on mouse wheel -static void ScrollCallback(GLFWwindow *window, double xoffset, double yoffset) -{ - CORE.Input.Mouse.currentWheelMove = (int)yoffset; -} - -// GLFW3 Keyboard Callback, runs on key pressed -static void KeyCallback(GLFWwindow *window, int key, int scancode, int action, int mods) -{ - if (key == CORE.Input.Keyboard.exitKey && action == GLFW_PRESS) - { - glfwSetWindowShouldClose(CORE.Window.handle, GLFW_TRUE); - - // NOTE: Before closing window, while loop must be left! - } - else if (key == GLFW_KEY_F12 && action == GLFW_PRESS) - { -#if defined(SUPPORT_GIF_RECORDING) - if (mods == GLFW_MOD_CONTROL) - { - if (gifRecording) - { - GifEnd(); - gifRecording = false; - - #if defined(PLATFORM_WEB) - // Download file from MEMFS (emscripten memory filesystem) - // saveFileFromMEMFSToDisk() function is defined in raylib/templates/web_shel/shell.html - emscripten_run_script(TextFormat("saveFileFromMEMFSToDisk('%s','%s')", TextFormat("screenrec%03i.gif", screenshotCounter - 1), TextFormat("screenrec%03i.gif", screenshotCounter - 1))); - #endif - - TRACELOG(LOG_INFO, "SYSTEM: Finish animated GIF recording"); - } - else - { - gifRecording = true; - gifFramesCounter = 0; - - char path[512] = { 0 }; - #if defined(PLATFORM_ANDROID) - strcpy(path, CORE.Android.internalDataPath); - strcat(path, TextFormat("./screenrec%03i.gif", screenshotCounter)); - #else - strcpy(path, TextFormat("./screenrec%03i.gif", screenshotCounter)); - #endif - - // NOTE: delay represents the time between frames in the gif, if we capture a gif frame every - // 10 game frames and each frame trakes 16.6ms (60fps), delay between gif frames should be ~16.6*10. - GifBegin(path, CORE.Window.screen.width, CORE.Window.screen.height, (int)(GetFrameTime()*10.0f), 8, false); - screenshotCounter++; - - TRACELOG(LOG_INFO, "SYSTEM: Start animated GIF recording: %s", TextFormat("screenrec%03i.gif", screenshotCounter)); - } - } - else -#endif // SUPPORT_GIF_RECORDING -#if defined(SUPPORT_SCREEN_CAPTURE) - { - TakeScreenshot(TextFormat("screenshot%03i.png", screenshotCounter)); - screenshotCounter++; - } -#endif // SUPPORT_SCREEN_CAPTURE - } - else - { - // WARNING: GLFW could return GLFW_REPEAT, we need to consider it as 1 - // to work properly with our implementation (IsKeyDown/IsKeyUp checks) - if (action == GLFW_RELEASE) CORE.Input.Keyboard.currentKeyState[key] = 0; - else CORE.Input.Keyboard.currentKeyState[key] = 1; - } -} - -// GLFW3 Mouse Button Callback, runs on mouse button pressed -static void MouseButtonCallback(GLFWwindow *window, int button, int action, int mods) -{ - // WARNING: GLFW could only return GLFW_PRESS (1) or GLFW_RELEASE (0) for now, - // but future releases may add more actions (i.e. GLFW_REPEAT) - CORE.Input.Mouse.currentButtonState[button] = action; - -#if defined(SUPPORT_GESTURES_SYSTEM) && defined(SUPPORT_MOUSE_GESTURES) - // Process mouse events as touches to be able to use mouse-gestures - GestureEvent gestureEvent = { 0 }; - - // Register touch actions - if ((CORE.Input.Mouse.currentButtonState[button] == 1) && (CORE.Input.Mouse.previousButtonState[button] == 0)) gestureEvent.touchAction = TOUCH_DOWN; - else if ((CORE.Input.Mouse.currentButtonState[button] == 0) && (CORE.Input.Mouse.previousButtonState[button] == 1)) gestureEvent.touchAction = TOUCH_UP; - - // NOTE: TOUCH_MOVE event is registered in MouseCursorPosCallback() - - // Assign a pointer ID - gestureEvent.pointerId[0] = 0; - - // Register touch points count - gestureEvent.pointCount = 1; - - // Register touch points position, only one point registered - gestureEvent.position[0] = GetMousePosition(); - - // Normalize gestureEvent.position[0] for CORE.Window.screen.width and CORE.Window.screen.height - gestureEvent.position[0].x /= (float)GetScreenWidth(); - gestureEvent.position[0].y /= (float)GetScreenHeight(); - - // Gesture data is sent to gestures system for processing - ProcessGestureEvent(gestureEvent); -#endif -} - -// GLFW3 Cursor Position Callback, runs on mouse move -static void MouseCursorPosCallback(GLFWwindow *window, double x, double y) -{ - CORE.Input.Mouse.position.x = (float)x; - CORE.Input.Mouse.position.y = (float)y; - CORE.Input.Touch.position[0] = CORE.Input.Mouse.position; - -#if defined(SUPPORT_GESTURES_SYSTEM) && defined(SUPPORT_MOUSE_GESTURES) - // Process mouse events as touches to be able to use mouse-gestures - GestureEvent gestureEvent = { 0 }; - - gestureEvent.touchAction = TOUCH_MOVE; - - // Assign a pointer ID - gestureEvent.pointerId[0] = 0; - - // Register touch points count - gestureEvent.pointCount = 1; - - // Register touch points position, only one point registered - gestureEvent.position[0] = CORE.Input.Touch.position[0]; - - // Normalize gestureEvent.position[0] for CORE.Window.screen.width and CORE.Window.screen.height - gestureEvent.position[0].x /= (float)GetScreenWidth(); - gestureEvent.position[0].y /= (float)GetScreenHeight(); - - // Gesture data is sent to gestures system for processing - ProcessGestureEvent(gestureEvent); -#endif -} - -// GLFW3 Char Key Callback, runs on key down (get unicode char value) -static void CharCallback(GLFWwindow *window, unsigned int key) -{ - // NOTE: Registers any key down considering OS keyboard layout but - // do not detects action events, those should be managed by user... - // Ref: https://github.com/glfw/glfw/issues/668#issuecomment-166794907 - // Ref: https://www.glfw.org/docs/latest/input_guide.html#input_char - - // Check if there is space available in the queue - if (CORE.Input.Keyboard.keyPressedQueueCount < MAX_KEY_PRESSED_QUEUE) - { - // Add character to the queue - CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = key; - CORE.Input.Keyboard.keyPressedQueueCount++; - } -} - -// GLFW3 CursorEnter Callback, when cursor enters the window -static void CursorEnterCallback(GLFWwindow *window, int enter) -{ - if (enter == true) CORE.Input.Mouse.cursorOnScreen = true; - else CORE.Input.Mouse.cursorOnScreen = false; -} - -// GLFW3 WindowSize Callback, runs when window is resized -// NOTE: Window resizing not allowed by default -static void WindowSizeCallback(GLFWwindow *window, int width, int height) -{ - SetupViewport(width, height); // Reset viewport and projection matrix for new size - - // Set current screen size - CORE.Window.screen.width = width; - CORE.Window.screen.height = height; - CORE.Window.currentFbo.width = width; - CORE.Window.currentFbo.height = height; - - // NOTE: Postprocessing texture is not scaled to new size - - CORE.Window.resized = true; -} - -// GLFW3 WindowIconify Callback, runs when window is minimized/restored -static void WindowIconifyCallback(GLFWwindow *window, int iconified) -{ - if (iconified) CORE.Window.minimized = true; // The window was iconified - else CORE.Window.minimized = false; // The window was restored -} - -// GLFW3 WindowFocus Callback, runs when window get/lose focus -static void WindowFocusCallback(GLFWwindow *window, int focused) -{ - if (focused) CORE.Window.focused = true; // The window was focused - else CORE.Window.focused = false; // The window lost focus -} - -// GLFW3 Window Drop Callback, runs when drop files into window -// NOTE: Paths are stored in dynamic memory for further retrieval -// Everytime new files are dropped, old ones are discarded -static void WindowDropCallback(GLFWwindow *window, int count, const char **paths) -{ - ClearDroppedFiles(); - - CORE.Window.dropFilesPath = (char **)RL_MALLOC(sizeof(char *)*count); - - for (int i = 0; i < count; i++) - { - CORE.Window.dropFilesPath[i] = (char *)RL_MALLOC(sizeof(char)*MAX_FILEPATH_LENGTH); - strcpy(CORE.Window.dropFilesPath[i], paths[i]); - } - - CORE.Window.dropFilesCount = count; -} -#endif - -#if defined(PLATFORM_ANDROID) -// ANDROID: Process activity lifecycle commands -static void AndroidCommandCallback(struct android_app *app, int32_t cmd) -{ - switch (cmd) - { - case APP_CMD_START: - { - //rendering = true; - } break; - case APP_CMD_RESUME: break; - case APP_CMD_INIT_WINDOW: - { - if (app->window != NULL) - { - if (CORE.Android.contextRebindRequired) - { - // Reset screen scaling to full display size - EGLint displayFormat; - eglGetConfigAttrib(CORE.Window.device, CORE.Window.config, EGL_NATIVE_VISUAL_ID, &displayFormat); - ANativeWindow_setBuffersGeometry(app->window, CORE.Window.render.width, CORE.Window.render.height, displayFormat); - - // Recreate display surface and re-attach OpenGL context - CORE.Window.surface = eglCreateWindowSurface(CORE.Window.device, CORE.Window.config, app->window, NULL); - eglMakeCurrent(CORE.Window.device, CORE.Window.surface, CORE.Window.surface, CORE.Window.context); - - CORE.Android.contextRebindRequired = false; - } - else - { - CORE.Window.display.width = ANativeWindow_getWidth(CORE.Android.app->window); - CORE.Window.display.height = ANativeWindow_getHeight(CORE.Android.app->window); - - // Init graphics device (display device and OpenGL context) - InitGraphicsDevice(CORE.Window.screen.width, CORE.Window.screen.height); - - // Init hi-res timer - InitTimer(); - - #if defined(SUPPORT_DEFAULT_FONT) - // Load default font - // NOTE: External function (defined in module: text) - LoadFontDefault(); - Rectangle rec = GetFontDefault().recs[95]; - // NOTE: We setup a 1px padding on char rectangle to avoid pixel bleeding on MSAA filtering - SetShapesTexture(GetFontDefault().texture, (Rectangle){ rec.x + 1, rec.y + 1, rec.width - 2, rec.height - 2 }); - #endif - - // TODO: GPU assets reload in case of lost focus (lost context) - // NOTE: This problem has been solved just unbinding and rebinding context from display - /* - if (assetsReloadRequired) - { - for (int i = 0; i < assetsCount; i++) - { - // TODO: Unload old asset if required - - // Load texture again to pointed texture - (*textureAsset + i) = LoadTexture(assetPath[i]); - } - } - */ - } - } - } break; - case APP_CMD_GAINED_FOCUS: - { - CORE.Android.appEnabled = true; - //ResumeMusicStream(); - } break; - case APP_CMD_PAUSE: break; - case APP_CMD_LOST_FOCUS: - { - CORE.Android.appEnabled = false; - //PauseMusicStream(); - } break; - case APP_CMD_TERM_WINDOW: - { - // Dettach OpenGL context and destroy display surface - // NOTE 1: Detaching context before destroying display surface avoids losing our resources (textures, shaders, VBOs...) - // NOTE 2: In some cases (too many context loaded), OS could unload context automatically... :( - eglMakeCurrent(CORE.Window.device, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); - eglDestroySurface(CORE.Window.device, CORE.Window.surface); - - CORE.Android.contextRebindRequired = true; - } break; - case APP_CMD_SAVE_STATE: break; - case APP_CMD_STOP: break; - case APP_CMD_DESTROY: - { - // TODO: Finish activity? - //ANativeActivity_finish(CORE.Android.app->activity); - } break; - case APP_CMD_CONFIG_CHANGED: - { - //AConfiguration_fromAssetManager(CORE.Android.app->config, CORE.Android.app->activity->assetManager); - //print_cur_config(CORE.Android.app); - - // Check screen orientation here! - } break; - default: break; - } -} - -// ANDROID: Get input events -static int32_t AndroidInputCallback(struct android_app *app, AInputEvent *event) -{ - // If additional inputs are required check: - // https://developer.android.com/ndk/reference/group/input - // https://developer.android.com/training/game-controllers/controller-input - - int type = AInputEvent_getType(event); - int source = AInputEvent_getSource(event); - - if (type == AINPUT_EVENT_TYPE_MOTION) - { - if (((source & AINPUT_SOURCE_JOYSTICK) == AINPUT_SOURCE_JOYSTICK) || - ((source & AINPUT_SOURCE_GAMEPAD) == AINPUT_SOURCE_GAMEPAD)) - { - // Get first touch position - CORE.Input.Touch.position[0].x = AMotionEvent_getX(event, 0); - CORE.Input.Touch.position[0].y = AMotionEvent_getY(event, 0); - - // Get second touch position - CORE.Input.Touch.position[1].x = AMotionEvent_getX(event, 1); - CORE.Input.Touch.position[1].y = AMotionEvent_getY(event, 1); - - int32_t keycode = AKeyEvent_getKeyCode(event); - if (AKeyEvent_getAction(event) == AKEY_EVENT_ACTION_DOWN) - { - CORE.Input.Keyboard.currentKeyState[keycode] = 1; // Key down - - CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = keycode; - CORE.Input.Keyboard.keyPressedQueueCount++; - } - else CORE.Input.Keyboard.currentKeyState[keycode] = 0; // Key up - - // Stop processing gamepad buttons - return 1; - } - } - else if (type == AINPUT_EVENT_TYPE_KEY) - { - int32_t keycode = AKeyEvent_getKeyCode(event); - //int32_t AKeyEvent_getMetaState(event); - - // Save current button and its state - // NOTE: Android key action is 0 for down and 1 for up - if (AKeyEvent_getAction(event) == AKEY_EVENT_ACTION_DOWN) - { - CORE.Input.Keyboard.currentKeyState[keycode] = 1; // Key down - - CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = keycode; - CORE.Input.Keyboard.keyPressedQueueCount++; - } - else CORE.Input.Keyboard.currentKeyState[keycode] = 0; // Key up - - if (keycode == AKEYCODE_POWER) - { - // Let the OS handle input to avoid app stuck. Behaviour: CMD_PAUSE -> CMD_SAVE_STATE -> CMD_STOP -> CMD_CONFIG_CHANGED -> CMD_LOST_FOCUS - // Resuming Behaviour: CMD_START -> CMD_RESUME -> CMD_CONFIG_CHANGED -> CMD_CONFIG_CHANGED -> CMD_GAINED_FOCUS - // It seems like locking mobile, screen size (CMD_CONFIG_CHANGED) is affected. - // NOTE: AndroidManifest.xml must have - // Before that change, activity was calling CMD_TERM_WINDOW and CMD_DESTROY when locking mobile, so that was not a normal behaviour - return 0; - } - else if ((keycode == AKEYCODE_BACK) || (keycode == AKEYCODE_MENU)) - { - // Eat BACK_BUTTON and AKEYCODE_MENU, just do nothing... and don't let to be handled by OS! - return 1; - } - else if ((keycode == AKEYCODE_VOLUME_UP) || (keycode == AKEYCODE_VOLUME_DOWN)) - { - // Set default OS behaviour - return 0; - } - - return 0; - } - - CORE.Input.Touch.position[0].x = AMotionEvent_getX(event, 0); - CORE.Input.Touch.position[0].y = AMotionEvent_getY(event, 0); - - int32_t action = AMotionEvent_getAction(event); - unsigned int flags = action & AMOTION_EVENT_ACTION_MASK; - - if (flags == AMOTION_EVENT_ACTION_DOWN || flags == AMOTION_EVENT_ACTION_MOVE) - { - CORE.Input.Touch.currentTouchState[MOUSE_LEFT_BUTTON] = 1; - } - else if (flags == AMOTION_EVENT_ACTION_UP) - { - CORE.Input.Touch.currentTouchState[MOUSE_LEFT_BUTTON] = 0; - } - -#if defined(SUPPORT_GESTURES_SYSTEM) - - GestureEvent gestureEvent; - - // Register touch actions - if (flags == AMOTION_EVENT_ACTION_DOWN) gestureEvent.touchAction = TOUCH_DOWN; - else if (flags == AMOTION_EVENT_ACTION_UP) gestureEvent.touchAction = TOUCH_UP; - else if (flags == AMOTION_EVENT_ACTION_MOVE) gestureEvent.touchAction = TOUCH_MOVE; - - // Register touch points count - // NOTE: Documentation says pointerCount is Always >= 1, - // but in practice it can be 0 or over a million - gestureEvent.pointCount = AMotionEvent_getPointerCount(event); - - // Only enable gestures for 1-3 touch points - if ((gestureEvent.pointCount > 0) && (gestureEvent.pointCount < 4)) - { - // Register touch points id - // NOTE: Only two points registered - gestureEvent.pointerId[0] = AMotionEvent_getPointerId(event, 0); - gestureEvent.pointerId[1] = AMotionEvent_getPointerId(event, 1); - - // Register touch points position - gestureEvent.position[0] = (Vector2){ AMotionEvent_getX(event, 0), AMotionEvent_getY(event, 0) }; - gestureEvent.position[1] = (Vector2){ AMotionEvent_getX(event, 1), AMotionEvent_getY(event, 1) }; - - // Normalize gestureEvent.position[x] for screenWidth and screenHeight - gestureEvent.position[0].x /= (float)GetScreenWidth(); - gestureEvent.position[0].y /= (float)GetScreenHeight(); - - gestureEvent.position[1].x /= (float)GetScreenWidth(); - gestureEvent.position[1].y /= (float)GetScreenHeight(); - - // Gesture data is sent to gestures system for processing - ProcessGestureEvent(gestureEvent); - } -#endif - - return 0; -} -#endif - -#if defined(PLATFORM_WEB) -// Register fullscreen change events -static EM_BOOL EmscriptenFullscreenChangeCallback(int eventType, const EmscriptenFullscreenChangeEvent *event, void *userData) -{ - //isFullscreen: int event->isFullscreen - //fullscreenEnabled: int event->fullscreenEnabled - //fs element nodeName: (char *) event->nodeName - //fs element id: (char *) event->id - //Current element size: (int) event->elementWidth, (int) event->elementHeight - //Screen size:(int) event->screenWidth, (int) event->screenHeight -/* - if (event->isFullscreen) - { - CORE.Window.fullscreen = true; - TRACELOG(LOG_INFO, "WEB: Canvas scaled to fullscreen. ElementSize: (%ix%i), ScreenSize(%ix%i)", event->elementWidth, event->elementHeight, event->screenWidth, event->screenHeight); - } - else - { - CORE.Window.fullscreen = false; - TRACELOG(LOG_INFO, "WEB: Canvas scaled to windowed. ElementSize: (%ix%i), ScreenSize(%ix%i)", event->elementWidth, event->elementHeight, event->screenWidth, event->screenHeight); - } - - // TODO: Depending on scaling factor (screen vs element), calculate factor to scale mouse/touch input -*/ - return 0; -} - -// Register keyboard input events -static EM_BOOL EmscriptenKeyboardCallback(int eventType, const EmscriptenKeyboardEvent *keyEvent, void *userData) -{ - if ((eventType == EMSCRIPTEN_EVENT_KEYDOWN) && (keyEvent->keyCode == 27)) // ESCAPE key (strcmp(keyEvent->code, "Escape") == 0) - { - // WARNING: Not executed when pressing Esc to exit fullscreen, it seems document has priority over #canvas - - emscripten_exit_pointerlock(); - CORE.Window.fullscreen = false; - TRACELOG(LOG_INFO, "CORE.Window.fullscreen = %s", CORE.Window.fullscreen? "true" : "false"); - } - - return 0; -} - -// Register mouse input events -static EM_BOOL EmscriptenMouseCallback(int eventType, const EmscriptenMouseEvent *mouseEvent, void *userData) -{ - // Lock mouse pointer when click on screen - if ((eventType == EMSCRIPTEN_EVENT_CLICK) && CORE.Input.Mouse.cursorLockRequired) - { - EmscriptenPointerlockChangeEvent plce; - emscripten_get_pointerlock_status(&plce); - - if (!plce.isActive) emscripten_request_pointerlock(0, 1); - else - { - emscripten_exit_pointerlock(); - emscripten_get_pointerlock_status(&plce); - //if (plce.isActive) TRACELOG(LOG_WARNING, "Pointer lock exit did not work!"); - } - - CORE.Input.Mouse.cursorLockRequired = false; - } - - return 0; -} - -// Register touch input events -static EM_BOOL EmscriptenTouchCallback(int eventType, const EmscriptenTouchEvent *touchEvent, void *userData) -{ - for (int i = 0; i < touchEvent->numTouches; i++) - { - if (eventType == EMSCRIPTEN_EVENT_TOUCHSTART) CORE.Input.Touch.currentTouchState[i] = 1; - else if (eventType == EMSCRIPTEN_EVENT_TOUCHEND) CORE.Input.Touch.currentTouchState[i] = 0; - } - -#if defined(SUPPORT_GESTURES_SYSTEM) - GestureEvent gestureEvent = { 0 }; - - // Register touch actions - if (eventType == EMSCRIPTEN_EVENT_TOUCHSTART) gestureEvent.touchAction = TOUCH_DOWN; - else if (eventType == EMSCRIPTEN_EVENT_TOUCHEND) gestureEvent.touchAction = TOUCH_UP; - else if (eventType == EMSCRIPTEN_EVENT_TOUCHMOVE) gestureEvent.touchAction = TOUCH_MOVE; - - // Register touch points count - gestureEvent.pointCount = touchEvent->numTouches; - - // Register touch points id - gestureEvent.pointerId[0] = touchEvent->touches[0].identifier; - gestureEvent.pointerId[1] = touchEvent->touches[1].identifier; - - // Register touch points position - // NOTE: Only two points registered - gestureEvent.position[0] = (Vector2){ touchEvent->touches[0].targetX, touchEvent->touches[0].targetY }; - gestureEvent.position[1] = (Vector2){ touchEvent->touches[1].targetX, touchEvent->touches[1].targetY }; - - double canvasWidth, canvasHeight; - // NOTE: emscripten_get_canvas_element_size() returns canvas.width and canvas.height but - // we are looking for actual CSS size: canvas.style.width and canvas.style.height - //EMSCRIPTEN_RESULT res = emscripten_get_canvas_element_size("#canvas", &canvasWidth, &canvasHeight); - emscripten_get_element_css_size("#canvas", &canvasWidth, &canvasHeight); - - // Normalize gestureEvent.position[x] for CORE.Window.screen.width and CORE.Window.screen.height - gestureEvent.position[0].x *= ((float)GetScreenWidth()/(float)canvasWidth); - gestureEvent.position[0].y *= ((float)GetScreenHeight()/(float)canvasHeight); - gestureEvent.position[1].x *= ((float)GetScreenWidth()/(float)canvasWidth); - gestureEvent.position[1].y *= ((float)GetScreenHeight()/(float)canvasHeight); - - CORE.Input.Touch.position[0] = gestureEvent.position[0]; - CORE.Input.Touch.position[1] = gestureEvent.position[1]; - - // Gesture data is sent to gestures system for processing - ProcessGestureEvent(gestureEvent); -#else - // Support only simple touch position - if (eventType == EMSCRIPTEN_EVENT_TOUCHSTART) - { - // Get first touch position - CORE.Input.Touch.position[0] = (Vector2){ touchEvent->touches[0].targetX, touchEvent->touches[0].targetY }; - - double canvasWidth, canvasHeight; - //EMSCRIPTEN_RESULT res = emscripten_get_canvas_element_size("#canvas", &canvasWidth, &canvasHeight); - emscripten_get_element_css_size("#canvas", &canvasWidth, &canvasHeight); - - // Normalize gestureEvent.position[x] for screenWidth and screenHeight - CORE.Input.Touch.position[0].x *= ((float)GetScreenWidth()/(float)canvasWidth); - CORE.Input.Touch.position[0].y *= ((float)GetScreenHeight()/(float)canvasHeight); - } -#endif - - return 1; -} - -// Register connected/disconnected gamepads events -static EM_BOOL EmscriptenGamepadCallback(int eventType, const EmscriptenGamepadEvent *gamepadEvent, void *userData) -{ - /* - TRACELOGD("%s: timeStamp: %g, connected: %d, index: %ld, numAxes: %d, numButtons: %d, id: \"%s\", mapping: \"%s\"", - eventType != 0? emscripten_event_type_to_string(eventType) : "Gamepad state", - gamepadEvent->timestamp, gamepadEvent->connected, gamepadEvent->index, gamepadEvent->numAxes, gamepadEvent->numButtons, gamepadEvent->id, gamepadEvent->mapping); - - for (int i = 0; i < gamepadEvent->numAxes; ++i) TRACELOGD("Axis %d: %g", i, gamepadEvent->axis[i]); - for (int i = 0; i < gamepadEvent->numButtons; ++i) TRACELOGD("Button %d: Digital: %d, Analog: %g", i, gamepadEvent->digitalButton[i], gamepadEvent->analogButton[i]); - */ - - if ((gamepadEvent->connected) && (gamepadEvent->index < MAX_GAMEPADS)) CORE.Input.Gamepad.ready[gamepadEvent->index] = true; - else CORE.Input.Gamepad.ready[gamepadEvent->index] = false; - - // TODO: Test gamepadEvent->index - - return 0; -} - -static EM_BOOL EmscriptenWindowResizedCallback(int eventType, const void *reserved, void *userData) -{ - double width, height; - emscripten_get_element_css_size("canvas", &width, &height); - - // TODO. - - return true; -} -#endif - -#if defined(PLATFORM_RPI) - -#if defined(SUPPORT_SSH_KEYBOARD_RPI) -// Initialize Keyboard system (using standard input) -static void InitKeyboard(void) -{ - // NOTE: We read directly from Standard Input (stdin) - STDIN_FILENO file descriptor - - // Make stdin non-blocking (not enough, need to configure to non-canonical mode) - int flags = fcntl(STDIN_FILENO, F_GETFL, 0); // F_GETFL: Get the file access mode and the file status flags - fcntl(STDIN_FILENO, F_SETFL, flags | O_NONBLOCK); // F_SETFL: Set the file status flags to the value specified - - // Save terminal keyboard settings and reconfigure terminal with new settings - struct termios keyboardNewSettings; - tcgetattr(STDIN_FILENO, &CORE.Input.Keyboard.defaultSettings); // Get current keyboard settings - keyboardNewSettings = CORE.Input.Keyboard.defaultSettings; - - // New terminal settings for keyboard: turn off buffering (non-canonical mode), echo and key processing - // NOTE: ISIG controls if ^C and ^Z generate break signals or not - keyboardNewSettings.c_lflag &= ~(ICANON | ECHO | ISIG); - //keyboardNewSettings.c_iflag &= ~(ISTRIP | INLCR | ICRNL | IGNCR | IXON | IXOFF); - keyboardNewSettings.c_cc[VMIN] = 1; - keyboardNewSettings.c_cc[VTIME] = 0; - - // Set new keyboard settings (change occurs immediately) - tcsetattr(STDIN_FILENO, TCSANOW, &keyboardNewSettings); - - // NOTE: Reading directly from stdin will give chars already key-mapped by kernel to ASCII or UNICODE - - // Save old keyboard mode to restore it at the end - if (ioctl(STDIN_FILENO, KDGKBMODE, &CORE.Input.Keyboard.defaultMode) < 0) - { - // NOTE: It could mean we are using a remote keyboard through ssh! - TRACELOG(LOG_WARNING, "RPI: Failed to change keyboard mode (SSH keyboard?)"); - } - else - { - // We reconfigure keyboard mode to get: - // - scancodes (K_RAW) - // - keycodes (K_MEDIUMRAW) - // - ASCII chars (K_XLATE) - // - UNICODE chars (K_UNICODE) - ioctl(STDIN_FILENO, KDSKBMODE, K_XLATE); - } - - // Register keyboard restore when program finishes - atexit(RestoreKeyboard); -} - -// Process keyboard inputs -// TODO: Most probably input reading and processing should be in a separate thread -static void ProcessKeyboard(void) -{ - #define MAX_KEYBUFFER_SIZE 32 // Max size in bytes to read - - // Keyboard input polling (fill keys[256] array with status) - int bufferByteCount = 0; // Bytes available on the buffer - char keysBuffer[MAX_KEYBUFFER_SIZE]; // Max keys to be read at a time - - // Read availables keycodes from stdin - bufferByteCount = read(STDIN_FILENO, keysBuffer, MAX_KEYBUFFER_SIZE); // POSIX system call - - // Reset pressed keys array (it will be filled below) - for (int i = 0; i < 512; i++) CORE.Input.Keyboard.currentKeyState[i] = 0; - - // Check keys from event input workers (This is the new keyboard reading method) - //for (int i = 0; i < 512; i++) CORE.Input.Keyboard.currentKeyState[i] = CORE.Input.Keyboard.currentKeyStateEvdev[i]; - - // Fill all read bytes (looking for keys) - for (int i = 0; i < bufferByteCount; i++) - { - // NOTE: If (key == 0x1b), depending on next key, it could be a special keymap code! - // Up -> 1b 5b 41 / Left -> 1b 5b 44 / Right -> 1b 5b 43 / Down -> 1b 5b 42 - if (keysBuffer[i] == 0x1b) - { - // Detect ESC to stop program - if (bufferByteCount == 1) CORE.Input.Keyboard.currentKeyState[CORE.Input.Keyboard.exitKey] = 1; - else - { - if (keysBuffer[i + 1] == 0x5b) // Special function key - { - if ((keysBuffer[i + 2] == 0x5b) || (keysBuffer[i + 2] == 0x31) || (keysBuffer[i + 2] == 0x32)) - { - // Process special function keys (F1 - F12) - switch (keysBuffer[i + 3]) - { - case 0x41: CORE.Input.Keyboard.currentKeyState[290] = 1; break; // raylib KEY_F1 - case 0x42: CORE.Input.Keyboard.currentKeyState[291] = 1; break; // raylib KEY_F2 - case 0x43: CORE.Input.Keyboard.currentKeyState[292] = 1; break; // raylib KEY_F3 - case 0x44: CORE.Input.Keyboard.currentKeyState[293] = 1; break; // raylib KEY_F4 - case 0x45: CORE.Input.Keyboard.currentKeyState[294] = 1; break; // raylib KEY_F5 - case 0x37: CORE.Input.Keyboard.currentKeyState[295] = 1; break; // raylib KEY_F6 - case 0x38: CORE.Input.Keyboard.currentKeyState[296] = 1; break; // raylib KEY_F7 - case 0x39: CORE.Input.Keyboard.currentKeyState[297] = 1; break; // raylib KEY_F8 - case 0x30: CORE.Input.Keyboard.currentKeyState[298] = 1; break; // raylib KEY_F9 - case 0x31: CORE.Input.Keyboard.currentKeyState[299] = 1; break; // raylib KEY_F10 - case 0x33: CORE.Input.Keyboard.currentKeyState[300] = 1; break; // raylib KEY_F11 - case 0x34: CORE.Input.Keyboard.currentKeyState[301] = 1; break; // raylib KEY_F12 - default: break; - } - - if (keysBuffer[i + 2] == 0x5b) i += 4; - else if ((keysBuffer[i + 2] == 0x31) || (keysBuffer[i + 2] == 0x32)) i += 5; - } - else - { - switch (keysBuffer[i + 2]) - { - case 0x41: CORE.Input.Keyboard.currentKeyState[265] = 1; break; // raylib KEY_UP - case 0x42: CORE.Input.Keyboard.currentKeyState[264] = 1; break; // raylib KEY_DOWN - case 0x43: CORE.Input.Keyboard.currentKeyState[262] = 1; break; // raylib KEY_RIGHT - case 0x44: CORE.Input.Keyboard.currentKeyState[263] = 1; break; // raylib KEY_LEFT - default: break; - } - - i += 3; // Jump to next key - } - - // NOTE: Some keys are not directly keymapped (CTRL, ALT, SHIFT) - } - } - } - else if (keysBuffer[i] == 0x0a) // raylib KEY_ENTER (don't mix with KEY_*) - { - CORE.Input.Keyboard.currentKeyState[257] = 1; - - CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = 257; // Add keys pressed into queue - CORE.Input.Keyboard.keyPressedQueueCount++; - } - else if (keysBuffer[i] == 0x7f) // raylib KEY_BACKSPACE - { - CORE.Input.Keyboard.currentKeyState[259] = 1; - - CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = 257; // Add keys pressed into queue - CORE.Input.Keyboard.keyPressedQueueCount++; - } - else - { - // Translate lowercase a-z letters to A-Z - if ((keysBuffer[i] >= 97) && (keysBuffer[i] <= 122)) - { - CORE.Input.Keyboard.currentKeyState[(int)keysBuffer[i] - 32] = 1; - } - else CORE.Input.Keyboard.currentKeyState[(int)keysBuffer[i]] = 1; - - CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = keysBuffer[i]; // Add keys pressed into queue - CORE.Input.Keyboard.keyPressedQueueCount++; - } - } - - // Check exit key (same functionality as GLFW3 KeyCallback()) - if (CORE.Input.Keyboard.currentKeyState[CORE.Input.Keyboard.exitKey] == 1) CORE.Window.shouldClose = true; - -#if defined(SUPPORT_SCREEN_CAPTURE) - // Check screen capture key (raylib key: KEY_F12) - if (CORE.Input.Keyboard.currentKeyState[301] == 1) - { - TakeScreenshot(FormatText("screenshot%03i.png", screenshotCounter)); - screenshotCounter++; - } -#endif -} - -// Restore default keyboard input -static void RestoreKeyboard(void) -{ - // Reset to default keyboard settings - tcsetattr(STDIN_FILENO, TCSANOW, &CORE.Input.Keyboard.defaultSettings); - - // Reconfigure keyboard to default mode - ioctl(STDIN_FILENO, KDSKBMODE, CORE.Input.Keyboard.defaultMode); -} -#endif //SUPPORT_SSH_KEYBOARD_RPI - -// Initialise user input from evdev(/dev/input/event) this means mouse, keyboard or gamepad devices -static void InitEvdevInput(void) -{ - char path[MAX_FILEPATH_LENGTH]; - DIR *directory; - struct dirent *entity; - - // Reset variables - for (int i = 0; i < MAX_TOUCH_POINTS; ++i) - { - CORE.Input.Touch.position[i].x = -1; - CORE.Input.Touch.position[i].y = -1; - } - - // Reset keypress buffer - CORE.Input.Keyboard.lastKeyPressed.head = 0; - CORE.Input.Keyboard.lastKeyPressed.tail = 0; - - // Reset keyboard key state - for (int i = 0; i < 512; i++) CORE.Input.Keyboard.currentKeyState[i] = 0; - - // Open the linux directory of "/dev/input" - directory = opendir(DEFAULT_EVDEV_PATH); - - if (directory) - { - while ((entity = readdir(directory)) != NULL) - { - if (strncmp("event", entity->d_name, strlen("event")) == 0) // Search for devices named "event*" - { - sprintf(path, "%s%s", DEFAULT_EVDEV_PATH, entity->d_name); - EventThreadSpawn(path); // Identify the device and spawn a thread for it - } - } - - closedir(directory); - } - else TRACELOG(LOG_WARNING, "RPI: Failed to open linux event directory: %s", DEFAULT_EVDEV_PATH); -} - -// Identifies a input device and spawns a thread to handle it if needed -static void EventThreadSpawn(char *device) -{ - #define BITS_PER_LONG (8*sizeof(long)) - #define NBITS(x) ((((x) - 1)/BITS_PER_LONG) + 1) - #define OFF(x) ((x)%BITS_PER_LONG) - #define BIT(x) (1UL<> OFF(bit)) & 1) - - struct input_absinfo absinfo; - unsigned long evBits[NBITS(EV_MAX)]; - unsigned long absBits[NBITS(ABS_MAX)]; - unsigned long relBits[NBITS(REL_MAX)]; - unsigned long keyBits[NBITS(KEY_MAX)]; - bool hasAbs = false; - bool hasRel = false; - bool hasAbsMulti = false; - int freeWorkerId = -1; - int fd = -1; - - InputEventWorker *worker; - - // Open the device and allocate worker - //------------------------------------------------------------------------------------------------------- - // Find a free spot in the workers array - for (int i = 0; i < sizeof(CORE.Input.eventWorker)/sizeof(InputEventWorker); ++i) - { - if (CORE.Input.eventWorker[i].threadId == 0) - { - freeWorkerId = i; - break; - } - } - - // Select the free worker from array - if (freeWorkerId >= 0) - { - worker = &(CORE.Input.eventWorker[freeWorkerId]); // Grab a pointer to the worker - memset(worker, 0, sizeof(InputEventWorker)); // Clear the worker - } - else - { - TRACELOG(LOG_WARNING, "RPI: Failed to create input device thread for %s, out of worker slots", device); - return; - } - - // Open the device - fd = open(device, O_RDONLY | O_NONBLOCK); - if (fd < 0) - { - TRACELOG(LOG_WARNING, "RPI: Failed to open input device (error: %d)", device, worker->fd); - return; - } - worker->fd = fd; - - // Grab number on the end of the devices name "event" - int devNum = 0; - char *ptrDevName = strrchr(device, 't'); - worker->eventNum = -1; - - if (ptrDevName != NULL) - { - if (sscanf(ptrDevName, "t%d", &devNum) == 1) - worker->eventNum = devNum; - } - - // At this point we have a connection to the device, but we don't yet know what the device is. - // It could be many things, even as simple as a power button... - //------------------------------------------------------------------------------------------------------- - - // Identify the device - //------------------------------------------------------------------------------------------------------- - ioctl(fd, EVIOCGBIT(0, sizeof(evBits)), evBits); // Read a bitfield of the avalable device properties - - // Check for absolute input devices - if (TEST_BIT(evBits, EV_ABS)) - { - ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(absBits)), absBits); - - // Check for absolute movement support (usualy touchscreens, but also joysticks) - if (TEST_BIT(absBits, ABS_X) && TEST_BIT(absBits, ABS_Y)) - { - hasAbs = true; - - // Get the scaling values - ioctl(fd, EVIOCGABS(ABS_X), &absinfo); - worker->absRange.x = absinfo.minimum; - worker->absRange.width = absinfo.maximum - absinfo.minimum; - ioctl(fd, EVIOCGABS(ABS_Y), &absinfo); - worker->absRange.y = absinfo.minimum; - worker->absRange.height = absinfo.maximum - absinfo.minimum; - } - - // Check for multiple absolute movement support (usualy multitouch touchscreens) - if (TEST_BIT(absBits, ABS_MT_POSITION_X) && TEST_BIT(absBits, ABS_MT_POSITION_Y)) - { - hasAbsMulti = true; - - // Get the scaling values - ioctl(fd, EVIOCGABS(ABS_X), &absinfo); - worker->absRange.x = absinfo.minimum; - worker->absRange.width = absinfo.maximum - absinfo.minimum; - ioctl(fd, EVIOCGABS(ABS_Y), &absinfo); - worker->absRange.y = absinfo.minimum; - worker->absRange.height = absinfo.maximum - absinfo.minimum; - } - } - - // Check for relative movement support (usualy mouse) - if (TEST_BIT(evBits, EV_REL)) - { - ioctl(fd, EVIOCGBIT(EV_REL, sizeof(relBits)), relBits); - - if (TEST_BIT(relBits, REL_X) && TEST_BIT(relBits, REL_Y)) hasRel = true; - } - - // Check for button support to determine the device type(usualy on all input devices) - if (TEST_BIT(evBits, EV_KEY)) - { - ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keyBits)), keyBits); - - if (hasAbs || hasAbsMulti) - { - if (TEST_BIT(keyBits, BTN_TOUCH)) worker->isTouch = true; // This is a touchscreen - if (TEST_BIT(keyBits, BTN_TOOL_FINGER)) worker->isTouch = true; // This is a drawing tablet - if (TEST_BIT(keyBits, BTN_TOOL_PEN)) worker->isTouch = true; // This is a drawing tablet - if (TEST_BIT(keyBits, BTN_STYLUS)) worker->isTouch = true; // This is a drawing tablet - if (worker->isTouch || hasAbsMulti) worker->isMultitouch = true; // This is a multitouch capable device - } - - if (hasRel) - { - if (TEST_BIT(keyBits, BTN_LEFT)) worker->isMouse = true; // This is a mouse - if (TEST_BIT(keyBits, BTN_RIGHT)) worker->isMouse = true; // This is a mouse - } - - if (TEST_BIT(keyBits, BTN_A)) worker->isGamepad = true; // This is a gamepad - if (TEST_BIT(keyBits, BTN_TRIGGER)) worker->isGamepad = true; // This is a gamepad - if (TEST_BIT(keyBits, BTN_START)) worker->isGamepad = true; // This is a gamepad - if (TEST_BIT(keyBits, BTN_TL)) worker->isGamepad = true; // This is a gamepad - if (TEST_BIT(keyBits, BTN_TL)) worker->isGamepad = true; // This is a gamepad - - if (TEST_BIT(keyBits, KEY_SPACE)) worker->isKeyboard = true; // This is a keyboard - } - //------------------------------------------------------------------------------------------------------- - - // Decide what to do with the device - //------------------------------------------------------------------------------------------------------- - if (worker->isTouch || worker->isMouse || worker->isKeyboard) - { - // Looks like an interesting device - TRACELOG(LOG_INFO, "RPI: Opening input device: %s (%s%s%s%s%s)", device, - worker->isMouse? "mouse " : "", - worker->isMultitouch? "multitouch " : "", - worker->isTouch? "touchscreen " : "", - worker->isGamepad? "gamepad " : "", - worker->isKeyboard? "keyboard " : ""); - - // Create a thread for this device - int error = pthread_create(&worker->threadId, NULL, &EventThread, (void *)worker); - if (error != 0) - { - TRACELOG(LOG_WARNING, "RPI: Failed to create input device thread: %s (error: %d)", device, error); - worker->threadId = 0; - close(fd); - } - -#if defined(USE_LAST_TOUCH_DEVICE) - // Find touchscreen with the highest index - int maxTouchNumber = -1; - - for (int i = 0; i < sizeof(CORE.Input.eventWorker)/sizeof(InputEventWorker); ++i) - { - if (CORE.Input.eventWorker[i].isTouch && (CORE.Input.eventWorker[i].eventNum > maxTouchNumber)) maxTouchNumber = CORE.Input.eventWorker[i].eventNum; - } - - // Find toucnscreens with lower indexes - for (int i = 0; i < sizeof(CORE.Input.eventWorker)/sizeof(InputEventWorker); ++i) - { - if (CORE.Input.eventWorker[i].isTouch && (CORE.Input.eventWorker[i].eventNum < maxTouchNumber)) - { - if (CORE.Input.eventWorker[i].threadId != 0) - { - TRACELOG(LOG_WARNING, "RPI: Found duplicate touchscreen, killing touchscreen on event: %d", i); - pthread_cancel(CORE.Input.eventWorker[i].threadId); - close(CORE.Input.eventWorker[i].fd); - } - } - } -#endif - } - else close(fd); // We are not interested in this device - //------------------------------------------------------------------------------------------------------- -} - -// Input device events reading thread -static void *EventThread(void *arg) -{ - // Scancode to keycode mapping for US keyboards - // TODO: Probably replace this with a keymap from the X11 to get the correct regional map for the keyboard: - // Currently non US keyboards will have the wrong mapping for some keys - static const int keymap_US[] = - { 0,256,49,50,51,52,53,54,55,56,57,48,45,61,259,258,81,87,69,82,84, - 89,85,73,79,80,91,93,257,341,65,83,68,70,71,72,74,75,76,59,39,96, - 340,92,90,88,67,86,66,78,77,44,46,47,344,332,342,32,280,290,291, - 292,293,294,295,296,297,298,299,282,281,327,328,329,333,324,325, - 326,334,321,322,323,320,330,0,85,86,300,301,89,90,91,92,93,94,95, - 335,345,331,283,346,101,268,265,266,263,262,269,264,267,260,261, - 112,113,114,115,116,117,118,119,120,121,122,123,124,125,347,127, - 128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143, - 144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159, - 160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175, - 176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191, - 192,193,194,0,0,0,0,0,200,201,202,203,204,205,206,207,208,209,210, - 211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226, - 227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242, - 243,244,245,246,247,248,0,0,0,0,0,0,0, }; - - struct input_event event; - InputEventWorker *worker = (InputEventWorker *)arg; - - int touchAction = -1; - bool gestureUpdate = false; - int keycode; - - while (!CORE.Window.shouldClose) - { - // Try to read data from the device and only continue if successful - if (read(worker->fd, &event, sizeof(event)) == (int)sizeof(event)) - { - // Relative movement parsing - if (event.type == EV_REL) - { - if (event.code == REL_X) - { - CORE.Input.Mouse.position.x += event.value; - CORE.Input.Touch.position[0].x = CORE.Input.Mouse.position.x; - - #if defined(SUPPORT_GESTURES_SYSTEM) - touchAction = TOUCH_MOVE; - gestureUpdate = true; - #endif - } - - if (event.code == REL_Y) - { - CORE.Input.Mouse.position.y += event.value; - CORE.Input.Touch.position[0].y = CORE.Input.Mouse.position.y; - - #if defined(SUPPORT_GESTURES_SYSTEM) - touchAction = TOUCH_MOVE; - gestureUpdate = true; - #endif - } - - if (event.code == REL_WHEEL) CORE.Input.Mouse.currentWheelMove += event.value; - } - - // Absolute movement parsing - if (event.type == EV_ABS) - { - // Basic movement - if (event.code == ABS_X) - { - CORE.Input.Mouse.position.x = (event.value - worker->absRange.x)*CORE.Window.screen.width/worker->absRange.width; // Scale acording to absRange - - #if defined(SUPPORT_GESTURES_SYSTEM) - touchAction = TOUCH_MOVE; - gestureUpdate = true; - #endif - } - - if (event.code == ABS_Y) - { - CORE.Input.Mouse.position.y = (event.value - worker->absRange.y)*CORE.Window.screen.height/worker->absRange.height; // Scale acording to absRange - - #if defined(SUPPORT_GESTURES_SYSTEM) - touchAction = TOUCH_MOVE; - gestureUpdate = true; - #endif - } - - // Multitouch movement - if (event.code == ABS_MT_SLOT) worker->touchSlot = event.value; // Remeber the slot number for the folowing events - - if (event.code == ABS_MT_POSITION_X) - { - if (worker->touchSlot < MAX_TOUCH_POINTS) CORE.Input.Touch.position[worker->touchSlot].x = (event.value - worker->absRange.x)*CORE.Window.screen.width/worker->absRange.width; // Scale acording to absRange - } - - if (event.code == ABS_MT_POSITION_Y) - { - if (worker->touchSlot < MAX_TOUCH_POINTS) CORE.Input.Touch.position[worker->touchSlot].y = (event.value - worker->absRange.y)*CORE.Window.screen.height/worker->absRange.height; // Scale acording to absRange - } - - if (event.code == ABS_MT_TRACKING_ID) - { - if ((event.value < 0) && (worker->touchSlot < MAX_TOUCH_POINTS)) - { - // Touch has ended for this point - CORE.Input.Touch.position[worker->touchSlot].x = -1; - CORE.Input.Touch.position[worker->touchSlot].y = -1; - } - } - } - - // Button parsing - if (event.type == EV_KEY) - { - // Mouse button parsing - if ((event.code == BTN_TOUCH) || (event.code == BTN_LEFT)) - { - CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_LEFT_BUTTON] = event.value; - - #if defined(SUPPORT_GESTURES_SYSTEM) - if (event.value > 0) touchAction = TOUCH_DOWN; - else touchAction = TOUCH_UP; - gestureUpdate = true; - #endif - } - - if (event.code == BTN_RIGHT) CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_RIGHT_BUTTON] = event.value; - if (event.code == BTN_MIDDLE) CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_MIDDLE_BUTTON] = event.value; - - // Keyboard button parsing - if ((event.code >= 1) && (event.code <= 255)) //Keyboard keys appear for codes 1 to 255 - { - keycode = keymap_US[event.code & 0xFF]; // The code we get is a scancode so we look up the apropriate keycode - - // Make sure we got a valid keycode - if ((keycode > 0) && (keycode < sizeof(CORE.Input.Keyboard.currentKeyState))) - { - // WARNING: https://www.kernel.org/doc/Documentation/input/input.txt - // Event interface: 'value' is the value the event carries. Either a relative change for EV_REL, - // absolute new value for EV_ABS (joysticks ...), or 0 for EV_KEY for release, 1 for keypress and 2 for autorepeat - CORE.Input.Keyboard.currentKeyState[keycode] = (event.value >= 1)? 1 : 0; - if (event.value >= 1) - { - CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = keycode; // Register last key pressed - CORE.Input.Keyboard.keyPressedQueueCount++; - } - - #if defined(SUPPORT_SCREEN_CAPTURE) - // Check screen capture key (raylib key: KEY_F12) - if (CORE.Input.Keyboard.currentKeyState[301] == 1) - { - TakeScreenshot(FormatText("screenshot%03i.png", screenshotCounter)); - screenshotCounter++; - } - #endif - - if (CORE.Input.Keyboard.currentKeyState[CORE.Input.Keyboard.exitKey] == 1) CORE.Window.shouldClose = true; - - TRACELOGD("RPI: KEY_%s ScanCode: %4i KeyCode: %4i", event.value == 0 ? "UP":"DOWN", event.code, keycode); - } - } - } - - // Screen confinement - if (CORE.Input.Mouse.position.x < 0) CORE.Input.Mouse.position.x = 0; - if (CORE.Input.Mouse.position.x > CORE.Window.screen.width/CORE.Input.Mouse.scale.x) CORE.Input.Mouse.position.x = CORE.Window.screen.width/CORE.Input.Mouse.scale.x; - - if (CORE.Input.Mouse.position.y < 0) CORE.Input.Mouse.position.y = 0; - if (CORE.Input.Mouse.position.y > CORE.Window.screen.height/CORE.Input.Mouse.scale.y) CORE.Input.Mouse.position.y = CORE.Window.screen.height/CORE.Input.Mouse.scale.y; - - // Gesture update - if (gestureUpdate) - { - #if defined(SUPPORT_GESTURES_SYSTEM) - GestureEvent gestureEvent = { 0 }; - - gestureEvent.pointCount = 0; - gestureEvent.touchAction = touchAction; - - if (CORE.Input.Touch.position[0].x >= 0) gestureEvent.pointCount++; - if (CORE.Input.Touch.position[1].x >= 0) gestureEvent.pointCount++; - if (CORE.Input.Touch.position[2].x >= 0) gestureEvent.pointCount++; - if (CORE.Input.Touch.position[3].x >= 0) gestureEvent.pointCount++; - - gestureEvent.pointerId[0] = 0; - gestureEvent.pointerId[1] = 1; - gestureEvent.pointerId[2] = 2; - gestureEvent.pointerId[3] = 3; - - gestureEvent.position[0] = CORE.Input.Touch.position[0]; - gestureEvent.position[1] = CORE.Input.Touch.position[1]; - gestureEvent.position[2] = CORE.Input.Touch.position[2]; - gestureEvent.position[3] = CORE.Input.Touch.position[3]; - - ProcessGestureEvent(gestureEvent); - #endif - } - } - else Wait(5); // Sleep for 5ms to avoid hogging CPU time - } - - close(worker->fd); - - return NULL; -} - -// Init gamepad system -static void InitGamepad(void) -{ - char gamepadDev[128] = ""; - - for (int i = 0; i < MAX_GAMEPADS; i++) - { - sprintf(gamepadDev, "%s%i", DEFAULT_GAMEPAD_DEV, i); - - if ((CORE.Input.Gamepad.streamId[i] = open(gamepadDev, O_RDONLY|O_NONBLOCK)) < 0) - { - // NOTE: Only show message for first gamepad - if (i == 0) TRACELOG(LOG_WARNING, "RPI: Failed to open Gamepad device, no gamepad available"); - } - else - { - CORE.Input.Gamepad.ready[i] = true; - - // NOTE: Only create one thread - if (i == 0) - { - int error = pthread_create(&CORE.Input.Gamepad.threadId, NULL, &GamepadThread, NULL); - - if (error != 0) TRACELOG(LOG_WARNING, "RPI: Failed to create gamepad input event thread"); - else TRACELOG(LOG_INFO, "RPI: Gamepad device initialized successfully"); - } - } - } -} - -// Process Gamepad (/dev/input/js0) -static void *GamepadThread(void *arg) -{ - #define JS_EVENT_BUTTON 0x01 // Button pressed/released - #define JS_EVENT_AXIS 0x02 // Joystick axis moved - #define JS_EVENT_INIT 0x80 // Initial state of device - - struct js_event { - unsigned int time; // event timestamp in milliseconds - short value; // event value - unsigned char type; // event type - unsigned char number; // event axis/button number - }; - - // Read gamepad event - struct js_event gamepadEvent; - - while (!CORE.Window.shouldClose) - { - for (int i = 0; i < MAX_GAMEPADS; i++) - { - if (read(CORE.Input.Gamepad.streamId[i], &gamepadEvent, sizeof(struct js_event)) == (int)sizeof(struct js_event)) - { - gamepadEvent.type &= ~JS_EVENT_INIT; // Ignore synthetic events - - // Process gamepad events by type - if (gamepadEvent.type == JS_EVENT_BUTTON) - { - TRACELOGD("RPI: Gamepad button: %i, value: %i", gamepadEvent.number, gamepadEvent.value); - - if (gamepadEvent.number < MAX_GAMEPAD_BUTTONS) - { - // 1 - button pressed, 0 - button released - CORE.Input.Gamepad.currentState[i][gamepadEvent.number] = (int)gamepadEvent.value; - - if ((int)gamepadEvent.value == 1) CORE.Input.Gamepad.lastButtonPressed = gamepadEvent.number; - else CORE.Input.Gamepad.lastButtonPressed = -1; - } - } - else if (gamepadEvent.type == JS_EVENT_AXIS) - { - TRACELOGD("RPI: Gamepad axis: %i, value: %i", gamepadEvent.number, gamepadEvent.value); - - if (gamepadEvent.number < MAX_GAMEPAD_AXIS) - { - // NOTE: Scaling of gamepadEvent.value to get values between -1..1 - CORE.Input.Gamepad.axisState[i][gamepadEvent.number] = (float)gamepadEvent.value/32768; - } - } - } - else Wait(1); // Sleep for 1 ms to avoid hogging CPU time - } - } - - return NULL; -} -#endif // PLATFORM_RPI - -#if defined(PLATFORM_UWP) -// UWP function pointers -// NOTE: Those pointers are set by UWP App -static UWPQueryTimeFunc uwpQueryTimeFunc = NULL; -static UWPSleepFunc uwpSleepFunc = NULL; -static UWPDisplaySizeFunc uwpDisplaySizeFunc = NULL; -static UWPMouseFunc uwpMouseLockFunc = NULL; -static UWPMouseFunc uwpMouseUnlockFunc = NULL; -static UWPMouseFunc uwpMouseShowFunc = NULL; -static UWPMouseFunc uwpMouseHideFunc = NULL; -static UWPMouseSetPosFunc uwpMouseSetPosFunc = NULL; -static void *uwpCoreWindow = NULL; - -// Check all required UWP function pointers have been set -bool UWPIsConfigured() -{ - bool pass = true; - - if (uwpQueryTimeFunc == NULL) { TRACELOG(LOG_ERROR, "UWP: UWPSetQueryTimeFunc() must be called with a valid function before InitWindow()"); pass = false; } - if (uwpSleepFunc == NULL) { TRACELOG(LOG_ERROR, "UWP: UWPSetSleepFunc() must be called with a valid function before InitWindow()"); pass = false; } - if (uwpDisplaySizeFunc == NULL) { TRACELOG(LOG_ERROR, "UWP: UWPSetDisplaySizeFunc() must be called with a valid function before InitWindow()"); pass = false; } - if (uwpMouseLockFunc == NULL) { TRACELOG(LOG_ERROR, "UWP: UWPSetMouseLockFunc() must be called with a valid function before InitWindow()"); pass = false; } - if (uwpMouseUnlockFunc == NULL) { TRACELOG(LOG_ERROR, "UWP: UWPSetMouseUnlockFunc() must be called with a valid function before InitWindow()"); pass = false; } - if (uwpMouseShowFunc == NULL) { TRACELOG(LOG_ERROR, "UWP: UWPSetMouseShowFunc() must be called with a valid function before InitWindow()"); pass = false; } - if (uwpMouseHideFunc == NULL) { TRACELOG(LOG_ERROR, "UWP: UWPSetMouseHideFunc() must be called with a valid function before InitWindow()"); pass = false; } - if (uwpMouseSetPosFunc == NULL) { TRACELOG(LOG_ERROR, "UWP: UWPSetMouseSetPosFunc() must be called with a valid function before InitWindow()"); pass = false; } - if (uwpCoreWindow == NULL) { TRACELOG(LOG_ERROR, "UWP: A pointer to the UWP core window must be set before InitWindow()"); pass = false; } - - return pass; -} - -// UWP function handlers get/set -void UWPSetDataPath(const char* path) { CORE.UWP.internalDataPath = path; } -UWPQueryTimeFunc UWPGetQueryTimeFunc(void) { return uwpQueryTimeFunc; } -void UWPSetQueryTimeFunc(UWPQueryTimeFunc func) { uwpQueryTimeFunc = func; } -UWPSleepFunc UWPGetSleepFunc(void) { return uwpSleepFunc; } -void UWPSetSleepFunc(UWPSleepFunc func) { uwpSleepFunc = func; } -UWPDisplaySizeFunc UWPGetDisplaySizeFunc(void) { return uwpDisplaySizeFunc; } -void UWPSetDisplaySizeFunc(UWPDisplaySizeFunc func) { uwpDisplaySizeFunc = func; } -UWPMouseFunc UWPGetMouseLockFunc() { return uwpMouseLockFunc; } -void UWPSetMouseLockFunc(UWPMouseFunc func) { uwpMouseLockFunc = func; } -UWPMouseFunc UWPGetMouseUnlockFunc() { return uwpMouseUnlockFunc; } -void UWPSetMouseUnlockFunc(UWPMouseFunc func) { uwpMouseUnlockFunc = func; } -UWPMouseFunc UWPGetMouseShowFunc() { return uwpMouseShowFunc; } -void UWPSetMouseShowFunc(UWPMouseFunc func) { uwpMouseShowFunc = func; } -UWPMouseFunc UWPGetMouseHideFunc() { return uwpMouseHideFunc; } -void UWPSetMouseHideFunc(UWPMouseFunc func) { uwpMouseHideFunc = func; } -UWPMouseSetPosFunc UWPGetMouseSetPosFunc() { return uwpMouseSetPosFunc; } -void UWPSetMouseSetPosFunc(UWPMouseSetPosFunc func) { uwpMouseSetPosFunc = func; } - -void *UWPGetCoreWindowPtr() { return uwpCoreWindow; } -void UWPSetCoreWindowPtr(void* ptr) { uwpCoreWindow = ptr; } -void UWPMouseWheelEvent(int deltaY) { CORE.Input.Mouse.currentWheelMove = (int)deltaY; } - -void UWPKeyDownEvent(int key, bool down, bool controlKey) -{ - if (key == CORE.Input.Keyboard.exitKey && down) - { - // Time to close the window. - CORE.Window.shouldClose = true; - } - else if (key == KEY_F12 && down) - { -#if defined(SUPPORT_GIF_RECORDING) - if (controlKey) - { - if (gifRecording) - { - GifEnd(); - gifRecording = false; - -#if defined(PLATFORM_WEB) - // Download file from MEMFS (emscripten memory filesystem) - // saveFileFromMEMFSToDisk() function is defined in raylib/templates/web_shel/shell.html - emscripten_run_script(TextFormat("saveFileFromMEMFSToDisk('%s','%s')", TextFormat("screenrec%03i.gif", screenshotCounter - 1), TextFormat("screenrec%03i.gif", screenshotCounter - 1))); -#endif - TRACELOG(LOG_INFO, "SYSTEM: Finish animated GIF recording"); - } - else - { - gifRecording = true; - gifFramesCounter = 0; - - char path[512] = { 0 }; - strcpy(path, CORE.UWP.internalDataPath); - strcat(path, TextFormat("./screenrec%03i.gif", screenshotCounter)); - - // NOTE: delay represents the time between frames in the gif, if we capture a gif frame every - // 10 game frames and each frame trakes 16.6ms (60fps), delay between gif frames should be ~16.6*10. - GifBegin(path, CORE.Window.screen.width, CORE.Window.screen.height, (int)(GetFrameTime() * 10.0f), 8, false); - screenshotCounter++; - - TRACELOG(LOG_INFO, "SYSTEM: Start animated GIF recording: %s", TextFormat("screenrec%03i.gif", screenshotCounter)); - } - } - else -#endif // SUPPORT_GIF_RECORDING -#if defined(SUPPORT_SCREEN_CAPTURE) - { - TakeScreenshot(TextFormat("screenshot%03i.png", screenshotCounter)); - screenshotCounter++; - } -#endif // SUPPORT_SCREEN_CAPTURE - } - else - { - CORE.Input.Keyboard.currentKeyState[key] = down; - } -} - -void UWPKeyCharEvent(int key) -{ - if (CORE.Input.Keyboard.keyPressedQueueCount < MAX_KEY_PRESSED_QUEUE) - { - // Add character to the queue - CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = key; - CORE.Input.Keyboard.keyPressedQueueCount++; - } -} - -void UWPMouseButtonEvent(int button, bool down) -{ - CORE.Input.Mouse.currentButtonState[button] = down; - -#if defined(SUPPORT_GESTURES_SYSTEM) && defined(SUPPORT_MOUSE_GESTURES) - // Process mouse events as touches to be able to use mouse-gestures - GestureEvent gestureEvent = { 0 }; - - // Register touch actions - if ((CORE.Input.Mouse.currentButtonState[button] == 1) && (CORE.Input.Mouse.previousButtonState[button] == 0)) gestureEvent.touchAction = TOUCH_DOWN; - else if ((CORE.Input.Mouse.currentButtonState[button] == 0) && (CORE.Input.Mouse.previousButtonState[button] == 1)) gestureEvent.touchAction = TOUCH_UP; - - // NOTE: TOUCH_MOVE event is registered in MouseCursorPosCallback() - - // Assign a pointer ID - gestureEvent.pointerId[0] = 0; - - // Register touch points count - gestureEvent.pointCount = 1; - - // Register touch points position, only one point registered - gestureEvent.position[0] = GetMousePosition(); - - // Normalize gestureEvent.position[0] for CORE.Window.screen.width and CORE.Window.screen.height - gestureEvent.position[0].x /= (float)GetScreenWidth(); - gestureEvent.position[0].y /= (float)GetScreenHeight(); - - // Gesture data is sent to gestures system for processing - ProcessGestureEvent(gestureEvent); -#endif -} - -void UWPMousePosEvent(double x, double y) -{ - CORE.Input.Mouse.position.x = (float)x; - CORE.Input.Mouse.position.y = (float)y; - CORE.Input.Touch.position[0] = CORE.Input.Mouse.position; - -#if defined(SUPPORT_GESTURES_SYSTEM) && defined(SUPPORT_MOUSE_GESTURES) - // Process mouse events as touches to be able to use mouse-gestures - GestureEvent gestureEvent = { 0 }; - - gestureEvent.touchAction = TOUCH_MOVE; - - // Assign a pointer ID - gestureEvent.pointerId[0] = 0; - - // Register touch points count - gestureEvent.pointCount = 1; - - // Register touch points position, only one point registered - gestureEvent.position[0] = CORE.Input.Mouse.position; - - // Normalize gestureEvent.position[0] for CORE.Window.screen.width and CORE.Window.screen.height - gestureEvent.position[0].x /= (float)GetScreenWidth(); - gestureEvent.position[0].y /= (float)GetScreenHeight(); - - // Gesture data is sent to gestures system for processing - ProcessGestureEvent(gestureEvent); -#endif -} - -void UWPResizeEvent(int width, int height) -{ - SetupViewport(width, height); // Reset viewport and projection matrix for new size - - // Set current screen size - CORE.Window.screen.width = width; - CORE.Window.screen.height = height; - CORE.Window.currentFbo.width = width; - CORE.Window.currentFbo.height = height; - - // NOTE: Postprocessing texture is not scaled to new size - - CORE.Window.resized = true; -} - -void UWPActivateGamepadEvent(int gamepad, bool active) -{ - if (gamepad < MAX_GAMEPADS) CORE.Input.Gamepad.ready[gamepad] = active; -} - -void UWPRegisterGamepadButton(int gamepad, int button, bool down) -{ - if (gamepad < MAX_GAMEPADS) - { - if (button < MAX_GAMEPAD_BUTTONS) - { - CORE.Input.Gamepad.currentState[gamepad][button] = down; - CORE.Input.Gamepad.lastButtonPressed = button; - } - } -} - -void UWPRegisterGamepadAxis(int gamepad, int axis, float value) -{ - if (gamepad < MAX_GAMEPADS) - { - if (axis < MAX_GAMEPAD_AXIS) CORE.Input.Gamepad.axisState[gamepad][axis] = value; - } -} - -void UWPGestureMove(int pointer, float x, float y) -{ -#if defined(SUPPORT_GESTURES_SYSTEM) - GestureEvent gestureEvent = { 0 }; - - // Assign the pointer ID and touch action - gestureEvent.pointerId[0] = pointer; - gestureEvent.touchAction = TOUCH_MOVE; - - // Register touch points count - gestureEvent.pointCount = 1; - - // Register touch points position, only one point registered - gestureEvent.position[0].x = x; - gestureEvent.position[0].y = y; - - // Normalize gestureEvent.position[0] for CORE.Window.screen.width and CORE.Window.screen.height - gestureEvent.position[0].x /= (float)GetScreenWidth(); - gestureEvent.position[0].y /= (float)GetScreenHeight(); - - // Gesture data is sent to gestures system for processing - ProcessGestureEvent(gestureEvent); -#endif -} - -void UWPGestureTouch(int pointer, float x, float y, bool touch) -{ -#if defined(SUPPORT_GESTURES_SYSTEM) - GestureEvent gestureEvent = { 0 }; - - // Assign the pointer ID and touch action - gestureEvent.pointerId[0] = pointer; - gestureEvent.touchAction = touch ? TOUCH_DOWN : TOUCH_UP; - - // Register touch points count - gestureEvent.pointCount = 1; - - // Register touch points position, only one point registered - gestureEvent.position[0].x = x; - gestureEvent.position[0].y = y; - - // Normalize gestureEvent.position[0] for CORE.Window.screen.width and CORE.Window.screen.height - gestureEvent.position[0].x /= (float)GetScreenWidth(); - gestureEvent.position[0].y /= (float)GetScreenHeight(); - - // Gesture data is sent to gestures system for processing - ProcessGestureEvent(gestureEvent); -#endif -} - -#endif // PLATFORM_UWP +/********************************************************************************************** +* +* raylib.core - Basic functions to manage windows, OpenGL context and input on multiple platforms +* +* PLATFORMS SUPPORTED: +* - PLATFORM_DESKTOP: Windows (Win32, Win64) +* - PLATFORM_DESKTOP: Linux (X11 desktop mode) +* - PLATFORM_DESKTOP: FreeBSD, OpenBSD, NetBSD, DragonFly (X11 desktop) +* - PLATFORM_DESKTOP: OSX/macOS +* - PLATFORM_ANDROID: Android 4.0 (ARM, ARM64) +* - PLATFORM_RPI: Raspberry Pi 0,1,2,3,4 (Raspbian) +* - PLATFORM_WEB: HTML5 with asm.js (Chrome, Firefox) +* - PLATFORM_UWP: Windows 10 App, Windows Phone, Xbox One +* +* CONFIGURATION: +* +* #define PLATFORM_DESKTOP +* Windowing and input system configured for desktop platforms: Windows, Linux, OSX, FreeBSD, OpenBSD, NetBSD, DragonFly +* NOTE: Oculus Rift CV1 requires PLATFORM_DESKTOP for mirror rendering - View [rlgl] module to enable it +* +* #define PLATFORM_ANDROID +* Windowing and input system configured for Android device, app activity managed internally in this module. +* NOTE: OpenGL ES 2.0 is required and graphic device is managed by EGL +* +* #define PLATFORM_RPI +* Windowing and input system configured for Raspberry Pi i native mode (no X.org required, tested on Raspbian), +* graphic device is managed by EGL and inputs are processed is raw mode, reading from /dev/input/ +* +* #define PLATFORM_WEB +* Windowing and input system configured for HTML5 (run on browser), code converted from C to asm.js +* using emscripten compiler. OpenGL ES 2.0 required for direct translation to WebGL equivalent code. +* +* #define PLATFORM_UWP +* Universal Windows Platform support, using OpenGL ES 2.0 through ANGLE on multiple Windows platforms, +* including Windows 10 App, Windows Phone and Xbox One platforms. +* +* #define SUPPORT_DEFAULT_FONT (default) +* Default font is loaded on window initialization to be available for the user to render simple text. +* NOTE: If enabled, uses external module functions to load default raylib font (module: text) +* +* #define SUPPORT_CAMERA_SYSTEM +* Camera module is included (camera.h) and multiple predefined cameras are available: free, 1st/3rd person, orbital +* +* #define SUPPORT_GESTURES_SYSTEM +* Gestures module is included (gestures.h) to support gestures detection: tap, hold, swipe, drag +* +* #define SUPPORT_MOUSE_GESTURES +* Mouse gestures are directly mapped like touches and processed by gestures system. +* +* #define SUPPORT_TOUCH_AS_MOUSE +* Touch input and mouse input are shared. Mouse functions also return touch information. +* +* #define SUPPORT_SSH_KEYBOARD_RPI (Raspberry Pi only) +* Reconfigure standard input to receive key inputs, works with SSH connection. +* WARNING: Reconfiguring standard input could lead to undesired effects, like breaking other running processes or +* blocking the device is not restored properly. Use with care. +* +* #define SUPPORT_MOUSE_CURSOR_RPI (Raspberry Pi only) +* Draw a mouse reference on screen (square cursor box) +* +* #define SUPPORT_BUSY_WAIT_LOOP +* Use busy wait loop for timing sync, if not defined, a high-resolution timer is setup and used +* +* #define SUPPORT_HALFBUSY_WAIT_LOOP +* Use a half-busy wait loop, in this case frame sleeps for some time and runs a busy-wait-loop at the end +* +* #define SUPPORT_EVENTS_WAITING +* Wait for events passively (sleeping while no events) instead of polling them actively every frame +* +* #define SUPPORT_SCREEN_CAPTURE +* Allow automatic screen capture of current screen pressing F12, defined in KeyCallback() +* +* #define SUPPORT_GIF_RECORDING +* Allow automatic gif recording of current screen pressing CTRL+F12, defined in KeyCallback() +* +* #define SUPPORT_HIGH_DPI +* Allow scale all the drawn content to match the high-DPI equivalent size (only PLATFORM_DESKTOP) +* NOTE: This flag is forced on macOS, since most displays are high-DPI +* +* #define SUPPORT_COMPRESSION_API +* Support CompressData() and DecompressData() functions, those functions use zlib implementation +* provided by stb_image and stb_image_write libraries, so, those libraries must be enabled on textures module +* for linkage +* +* #define SUPPORT_DATA_STORAGE +* Support saving binary data automatically to a generated storage.data file. This file is managed internally. +* +* DEPENDENCIES: +* rglfw - Manage graphic device, OpenGL context and inputs on PLATFORM_DESKTOP (Windows, Linux, OSX. FreeBSD, OpenBSD, NetBSD, DragonFly) +* raymath - 3D math functionality (Vector2, Vector3, Matrix, Quaternion) +* camera - Multiple 3D camera modes (free, orbital, 1st person, 3rd person) +* gestures - Gestures system for touch-ready devices (or simulated from mouse inputs) +* +* +* LICENSE: zlib/libpng +* +* Copyright (c) 2013-2020 Ramon Santamaria (@raysan5) +* +* This software is provided "as-is", without any express or implied warranty. In no event +* will the authors be held liable for any damages arising from the use of this software. +* +* Permission is granted to anyone to use this software for any purpose, including commercial +* applications, and to alter it and redistribute it freely, subject to the following restrictions: +* +* 1. The origin of this software must not be misrepresented; you must not claim that you +* wrote the original software. If you use this software in a product, an acknowledgment +* in the product documentation would be appreciated but is not required. +* +* 2. Altered source versions must be plainly marked as such, and must not be misrepresented +* as being the original software. +* +* 3. This notice may not be removed or altered from any source distribution. +* +**********************************************************************************************/ + +#include "raylib.h" // Declares module functions + +// Check if config flags have been externally provided on compilation line +#if !defined(EXTERNAL_CONFIG_FLAGS) + #include "config.h" // Defines module configuration flags +#else + #define RAYLIB_VERSION "3.0" +#endif + +#include "utils.h" // Required for: TRACELOG macros + +#if (defined(__linux__) || defined(PLATFORM_WEB)) && _POSIX_C_SOURCE < 199309L + #undef _POSIX_C_SOURCE + #define _POSIX_C_SOURCE 199309L // Required for CLOCK_MONOTONIC if compiled with c99 without gnu ext. +#endif + +#define RAYMATH_IMPLEMENTATION // Define external out-of-line implementation of raymath here +#include "raymath.h" // Required for: Vector3 and Matrix functions + +#define RLGL_IMPLEMENTATION +#include "rlgl.h" // raylib OpenGL abstraction layer to OpenGL 1.1, 3.3+ or ES2 + +#if defined(SUPPORT_GESTURES_SYSTEM) + #define GESTURES_IMPLEMENTATION + #include "gestures.h" // Gestures detection functionality +#endif + +#if defined(SUPPORT_CAMERA_SYSTEM) + #define CAMERA_IMPLEMENTATION + #include "camera.h" // Camera system functionality +#endif + +#if defined(SUPPORT_GIF_RECORDING) + #define RGIF_MALLOC RL_MALLOC + #define RGIF_FREE RL_FREE + + #define RGIF_IMPLEMENTATION + #include "external/rgif.h" // Support GIF recording +#endif + +#if defined(__APPLE__) + #define SUPPORT_HIGH_DPI // Force HighDPI support on macOS +#endif + +#include // Required for: srand(), rand(), atexit() +#include // Required for: sprintf() [Used in OpenURL()] +#include // Required for: strrchr(), strcmp(), strlen() +#include // Required for: time() [Used in InitTimer()] +#include // Required for: tan() [Used in BeginMode3D()] + +#include // Required for: stat() [Used in GetFileModTime()] + +#if (defined(PLATFORM_DESKTOP) || defined(PLATFORM_UWP)) && defined(_WIN32) && (defined(_MSC_VER) || defined(__TINYC__)) + #define DIRENT_MALLOC RL_MALLOC + #define DIRENT_FREE RL_FREE + + #include "external/dirent.h" // Required for: DIR, opendir(), closedir() [Used in GetDirectoryFiles()] +#else + #include // Required for: DIR, opendir(), closedir() [Used in GetDirectoryFiles()] +#endif + +#if defined(_WIN32) + #include // Required for: _getch(), _chdir() + #define GETCWD _getcwd // NOTE: MSDN recommends not to use getcwd(), chdir() + #define CHDIR _chdir + #include // Required for _access() [Used in FileExists()] +#else + #include // Required for: getch(), chdir() (POSIX), access() + #define GETCWD getcwd + #define CHDIR chdir +#endif + +#if defined(PLATFORM_DESKTOP) + #define GLFW_INCLUDE_NONE // Disable the standard OpenGL header inclusion on GLFW3 + // NOTE: Already provided by rlgl implementation (on glad.h) + #include // GLFW3 library: Windows, OpenGL context and Input management + // NOTE: GLFW3 already includes gl.h (OpenGL) headers + + // Support retrieving native window handlers + #if defined(_WIN32) + #define GLFW_EXPOSE_NATIVE_WIN32 + #include // WARNING: It requires customization to avoid windows.h inclusion! + + #if !defined(SUPPORT_BUSY_WAIT_LOOP) + // NOTE: Those functions require linking with winmm library + unsigned int __stdcall timeBeginPeriod(unsigned int uPeriod); + unsigned int __stdcall timeEndPeriod(unsigned int uPeriod); + #endif + + #elif defined(__linux__) + #include // Required for: timespec, nanosleep(), select() - POSIX + + //#define GLFW_EXPOSE_NATIVE_X11 // WARNING: Exposing Xlib.h > X.h results in dup symbols for Font type + //#define GLFW_EXPOSE_NATIVE_WAYLAND + //#define GLFW_EXPOSE_NATIVE_MIR + #include // Required for: glfwGetX11Window() + #elif defined(__APPLE__) + #include // Required for: usleep() + + //#define GLFW_EXPOSE_NATIVE_COCOA // WARNING: Fails due to type redefinition + #include // Required for: glfwGetCocoaWindow() + #endif +#endif + +#if defined(__linux__) + #define MAX_FILEPATH_LENGTH 4096 // Use Linux PATH_MAX value +#else + #define MAX_FILEPATH_LENGTH 512 // Use common value +#endif + +#if defined(PLATFORM_ANDROID) + //#include // Android sensors functions (accelerometer, gyroscope, light...) + #include // Defines AWINDOW_FLAG_FULLSCREEN and others + #include // Defines basic app state struct and manages activity + + #include // Khronos EGL library - Native platform display device control functions + #include // Khronos OpenGL ES 2.0 library +#endif + +#if defined(PLATFORM_RPI) + #include // POSIX file control definitions - open(), creat(), fcntl() + #include // POSIX standard function definitions - read(), close(), STDIN_FILENO + #include // POSIX terminal control definitions - tcgetattr(), tcsetattr() + #include // POSIX threads management (inputs reading) + #include // POSIX directory browsing + + #include // UNIX System call for device-specific input/output operations - ioctl() + #include // Linux: KDSKBMODE, K_MEDIUMRAM constants definition + #include // Linux: Keycodes constants definition (KEY_A, ...) + #include // Linux: Joystick support library + + #include "bcm_host.h" // Raspberry Pi VideoCore IV access functions + + #include "EGL/egl.h" // Khronos EGL library - Native platform display device control functions + #include "EGL/eglext.h" // Khronos EGL library - Extensions + #include "GLES2/gl2.h" // Khronos OpenGL ES 2.0 library +#endif + +#if defined(PLATFORM_UWP) + #include "EGL/egl.h" // Khronos EGL library - Native platform display device control functions + #include "EGL/eglext.h" // Khronos EGL library - Extensions + #include "GLES2/gl2.h" // Khronos OpenGL ES 2.0 library +#endif + +#if defined(PLATFORM_WEB) + #define GLFW_INCLUDE_ES2 // GLFW3: Enable OpenGL ES 2.0 (translated to WebGL) + #include // GLFW3 library: Windows, OpenGL context and Input management + #include // Required for: timespec, nanosleep(), select() - POSIX + + #include // Emscripten library - LLVM to JavaScript compiler + #include // Emscripten HTML5 library +#endif + +#if defined(SUPPORT_COMPRESSION_API) + // NOTE: Those declarations require stb_image and stb_image_write definitions, included in textures module + unsigned char *stbi_zlib_compress(unsigned char *data, int data_len, int *out_len, int quality); + char *stbi_zlib_decode_malloc(char const *buffer, int len, int *outlen); +#endif + +//---------------------------------------------------------------------------------- +// Defines and Macros +//---------------------------------------------------------------------------------- +#if defined(PLATFORM_RPI) + #define USE_LAST_TOUCH_DEVICE // When multiple touchscreens are connected, only use the one with the highest event number + + // Old device inputs system + #define DEFAULT_KEYBOARD_DEV STDIN_FILENO // Standard input + #define DEFAULT_GAMEPAD_DEV "/dev/input/js" // Gamepad input (base dev for all gamepads: js0, js1, ...) + #define DEFAULT_EVDEV_PATH "/dev/input/" // Path to the linux input events + + // New device input events (evdev) (must be detected) + //#define DEFAULT_KEYBOARD_DEV "/dev/input/eventN" + //#define DEFAULT_MOUSE_DEV "/dev/input/eventN" + //#define DEFAULT_GAMEPAD_DEV "/dev/input/eventN" + + #define MOUSE_SENSITIVITY 0.8f +#endif + +#define MAX_GAMEPADS 4 // Max number of gamepads supported +#define MAX_GAMEPAD_AXIS 8 // Max number of axis supported (per gamepad) +#define MAX_GAMEPAD_BUTTONS 32 // Max bumber of buttons supported (per gamepad) + +#define MAX_CHARS_QUEUE 16 // Max number of characters in the input queue + +#if defined(SUPPORT_DATA_STORAGE) + #define STORAGE_DATA_FILE "storage.data" +#endif + +//---------------------------------------------------------------------------------- +// Types and Structures Definition +//---------------------------------------------------------------------------------- +#if defined(PLATFORM_RPI) +typedef struct { + pthread_t threadId; // Event reading thread id + int fd; // File descriptor to the device it is assigned to + int eventNum; // Number of 'event' device + Rectangle absRange; // Range of values for absolute pointing devices (touchscreens) + int touchSlot; // Hold the touch slot number of the currently being sent multitouch block + bool isMouse; // True if device supports relative X Y movements + bool isTouch; // True if device supports absolute X Y movements and has BTN_TOUCH + bool isMultitouch; // True if device supports multiple absolute movevents and has BTN_TOUCH + bool isKeyboard; // True if device has letter keycodes + bool isGamepad; // True if device has gamepad buttons +} InputEventWorker; + +typedef struct { + int contents[8]; // Key events FIFO contents (8 positions) + char head; // Key events FIFO head position + char tail; // Key events FIFO tail position +} KeyEventFifo; +#endif + +typedef struct { int x; int y; } Point; +typedef struct { unsigned int width; unsigned int height; } Size; + +#if defined(PLATFORM_UWP) +extern EGLNativeWindowType handle; // Native window handler for UWP (external, defined in UWP App) +#endif + +// Core global state context data +typedef struct CoreData { + struct { +#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) + GLFWwindow *handle; // Native window handle (graphic device) +#endif +#if defined(PLATFORM_RPI) + // NOTE: RPI4 does not support Dispmanx anymore, system should be redesigned + EGL_DISPMANX_WINDOW_T handle; // Native window handle (graphic device) +#endif +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_UWP) + EGLDisplay device; // Native display device (physical screen connection) + EGLSurface surface; // Surface to draw on, framebuffers (connected to context) + EGLContext context; // Graphic context, mode in which drawing can be done + EGLConfig config; // Graphic config +#endif + unsigned int flags; // Configuration flags (bit based) + const char *title; // Window text title const pointer + bool ready; // Flag to check if window has been initialized successfully + bool minimized; // Flag to check if window has been minimized + bool resized; // Flag to check if window has been resized + bool fullscreen; // Flag to check if fullscreen mode required + bool alwaysRun; // Flag to keep window update/draw running on minimized + bool shouldClose; // Flag to set window for closing + + Point position; // Window position on screen (required on fullscreen toggle) + Size display; // Display width and height (monitor, device-screen, LCD, ...) + Size screen; // Screen width and height (used render area) + Size currentFbo; // Current render width and height, it could change on BeginTextureMode() + Size render; // Framebuffer width and height (render area, including black bars if required) + Point renderOffset; // Offset from render area (must be divided by 2) + Matrix screenScale; // Matrix to scale screen (framebuffer rendering) + + char **dropFilesPath; // Store dropped files paths as strings + int dropFilesCount; // Count dropped files strings + + } Window; +#if defined(PLATFORM_ANDROID) + struct { + bool appEnabled; // Flag to detect if app is active ** = true + struct android_app *app; // Android activity + struct android_poll_source *source; // Android events polling source + const char *internalDataPath; // Android internal data path to write data (/data/data//files) + bool contextRebindRequired; // Used to know context rebind required + } Android; +#endif + struct { +#if defined(PLATFORM_RPI) + InputEventWorker eventWorker[10]; // List of worker threads for every monitored "/dev/input/event" +#endif + struct { + int exitKey; // Default exit key + char currentKeyState[512]; // Registers current frame key state + char previousKeyState[512]; // Registers previous frame key state + + int keyPressedQueue[MAX_CHARS_QUEUE]; // Input characters queue + int keyPressedQueueCount; // Input characters queue count +#if defined(PLATFORM_RPI) + int defaultMode; // Default keyboard mode + struct termios defaultSettings; // Default keyboard settings + KeyEventFifo lastKeyPressed; // Buffer for holding keydown events as they arrive (Needed due to multitreading of event workers) +#endif + } Keyboard; + struct { + Vector2 position; // Mouse position on screen + Vector2 offset; // Mouse offset + Vector2 scale; // Mouse scaling + + bool cursorHidden; // Track if cursor is hidden + bool cursorOnScreen; // Tracks if cursor is inside client area +#if defined(PLATFORM_WEB) + bool cursorLockRequired; // Ask for cursor pointer lock on next click +#endif + char currentButtonState[3]; // Registers current mouse button state + char previousButtonState[3]; // Registers previous mouse button state + int currentWheelMove; // Registers current mouse wheel variation + int previousWheelMove; // Registers previous mouse wheel variation +#if defined(PLATFORM_RPI) + char currentButtonStateEvdev[3]; // Holds the new mouse state for the next polling event to grab (Can't be written directly due to multithreading, app could miss the update) +#endif + } Mouse; + struct { + Vector2 position[MAX_TOUCH_POINTS]; // Touch position on screen + char currentTouchState[MAX_TOUCH_POINTS]; // Registers current touch state + char previousTouchState[MAX_TOUCH_POINTS]; // Registers previous touch state + } Touch; + struct { + int lastButtonPressed; // Register last gamepad button pressed + int axisCount; // Register number of available gamepad axis +#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_RPI) || defined(PLATFORM_WEB) || defined(PLATFORM_UWP) + bool ready[MAX_GAMEPADS]; // Flag to know if gamepad is ready + float axisState[MAX_GAMEPADS][MAX_GAMEPAD_AXIS]; // Gamepad axis state + char currentState[MAX_GAMEPADS][MAX_GAMEPAD_BUTTONS]; // Current gamepad buttons state + char previousState[MAX_GAMEPADS][MAX_GAMEPAD_BUTTONS]; // Previous gamepad buttons state +#endif +#if defined(PLATFORM_RPI) + pthread_t threadId; // Gamepad reading thread id + int streamId[MAX_GAMEPADS]; // Gamepad device file descriptor + char name[64]; // Gamepad name holder +#endif + } Gamepad; + } Input; + struct { + double current; // Current time measure + double previous; // Previous time measure + double update; // Time measure for frame update + double draw; // Time measure for frame draw + double frame; // Time measure for one frame + double target; // Desired time for one frame, if 0 not applied +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_UWP) + unsigned long long base; // Base time measure for hi-res timer +#endif + } Time; +} CoreData; + +//---------------------------------------------------------------------------------- +// Global Variables Definition +//---------------------------------------------------------------------------------- +static CoreData CORE = { 0 }; // Global CORE state context + +static char **dirFilesPath = NULL; // Store directory files paths as strings +static int dirFilesCount = 0; // Count directory files strings + +#if defined(SUPPORT_SCREEN_CAPTURE) +static int screenshotCounter = 0; // Screenshots counter +#endif + +#if defined(SUPPORT_GIF_RECORDING) +static int gifFramesCounter = 0; // GIF frames counter +static bool gifRecording = false; // GIF recording state +#endif +//----------------------------------------------------------------------------------- + +//---------------------------------------------------------------------------------- +// Other Modules Functions Declaration (required by core) +//---------------------------------------------------------------------------------- +#if defined(SUPPORT_DEFAULT_FONT) +extern void LoadFontDefault(void); // [Module: text] Loads default font on InitWindow() +extern void UnloadFontDefault(void); // [Module: text] Unloads default font from GPU memory +#endif + +//---------------------------------------------------------------------------------- +// Module specific Functions Declaration +//---------------------------------------------------------------------------------- +static bool InitGraphicsDevice(int width, int height); // Initialize graphics device +static void SetupFramebuffer(int width, int height); // Setup main framebuffer +static void SetupViewport(int width, int height); // Set viewport for a provided width and height +static void SwapBuffers(void); // Copy back buffer to front buffers + +static void InitTimer(void); // Initialize timer +static void Wait(float ms); // Wait for some milliseconds (stop program execution) + +static int GetGamepadButton(int button); // Get gamepad button generic to all platforms +static int GetGamepadAxis(int axis); // Get gamepad axis generic to all platforms +static void PollInputEvents(void); // Register user events + +#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) +static void ErrorCallback(int error, const char *description); // GLFW3 Error Callback, runs on GLFW3 error +static void KeyCallback(GLFWwindow *window, int key, int scancode, int action, int mods); // GLFW3 Keyboard Callback, runs on key pressed +static void MouseButtonCallback(GLFWwindow *window, int button, int action, int mods); // GLFW3 Mouse Button Callback, runs on mouse button pressed +static void MouseCursorPosCallback(GLFWwindow *window, double x, double y); // GLFW3 Cursor Position Callback, runs on mouse move +static void CharCallback(GLFWwindow *window, unsigned int key); // GLFW3 Char Key Callback, runs on key pressed (get char value) +static void ScrollCallback(GLFWwindow *window, double xoffset, double yoffset); // GLFW3 Srolling Callback, runs on mouse wheel +static void CursorEnterCallback(GLFWwindow *window, int enter); // GLFW3 Cursor Enter Callback, cursor enters client area +static void WindowSizeCallback(GLFWwindow *window, int width, int height); // GLFW3 WindowSize Callback, runs when window is resized +static void WindowIconifyCallback(GLFWwindow *window, int iconified); // GLFW3 WindowIconify Callback, runs when window is minimized/restored +static void WindowDropCallback(GLFWwindow *window, int count, const char **paths); // GLFW3 Window Drop Callback, runs when drop files into window +#endif + +#if defined(PLATFORM_ANDROID) +static void AndroidCommandCallback(struct android_app *app, int32_t cmd); // Process Android activity lifecycle commands +static int32_t AndroidInputCallback(struct android_app *app, AInputEvent *event); // Process Android inputs +#endif + +#if defined(PLATFORM_WEB) +static EM_BOOL EmscriptenFullscreenChangeCallback(int eventType, const EmscriptenFullscreenChangeEvent *event, void *userData); +static EM_BOOL EmscriptenKeyboardCallback(int eventType, const EmscriptenKeyboardEvent *keyEvent, void *userData); +static EM_BOOL EmscriptenMouseCallback(int eventType, const EmscriptenMouseEvent *mouseEvent, void *userData); +static EM_BOOL EmscriptenTouchCallback(int eventType, const EmscriptenTouchEvent *touchEvent, void *userData); +static EM_BOOL EmscriptenGamepadCallback(int eventType, const EmscriptenGamepadEvent *gamepadEvent, void *userData); +#endif + +#if defined(PLATFORM_RPI) +#if defined(SUPPORT_SSH_KEYBOARD_RPI) +static void InitKeyboard(void); // Init raw keyboard system (standard input reading) +static void ProcessKeyboard(void); // Process keyboard events +static void RestoreKeyboard(void); // Restore keyboard system +#else +static void InitTerminal(void); // Init terminal (block echo and signal short cuts) +static void RestoreTerminal(void); // Restore terminal +#endif + +static void InitEvdevInput(void); // Evdev inputs initialization +static void EventThreadSpawn(char *device); // Identifies a input device and spawns a thread to handle it if needed +static void *EventThread(void *arg); // Input device events reading thread + +static void InitGamepad(void); // Init raw gamepad input +static void *GamepadThread(void *arg); // Mouse reading thread +#endif // PLATFORM_RPI + +#if defined(_WIN32) + // NOTE: We include Sleep() function signature here to avoid windows.h inclusion + void __stdcall Sleep(unsigned long msTimeout); // Required for Wait() +#endif + +//---------------------------------------------------------------------------------- +// Module Functions Definition - Window and OpenGL Context Functions +//---------------------------------------------------------------------------------- + +#if defined(PLATFORM_ANDROID) +// To allow easier porting to android, we allow the user to define a +// main function which we call from android_main, defined by ourselves +extern int main(int argc, char *argv[]); + +void android_main(struct android_app *app) +{ + char arg0[] = "raylib"; // NOTE: argv[] are mutable + CORE.Android.app = app; + + // TODO: Should we maybe report != 0 return codes somewhere? + (void)main(1, (char *[]) { arg0, NULL }); +} + +// TODO: Add this to header (if apps really need it) +struct android_app *GetAndroidApp(void) +{ + return CORE.Android.app; +} +#endif +#if defined(PLATFORM_RPI) && !defined(SUPPORT_SSH_KEYBOARD_RPI) +// Init terminal (block echo and signal short cuts) +static void InitTerminal(void) +{ + TRACELOG(LOG_INFO, "RPI: Reconfiguring terminal..."); + + // Save terminal keyboard settings and reconfigure terminal with new settings + struct termios keyboardNewSettings; + tcgetattr(STDIN_FILENO, &CORE.Input.Keyboard.defaultSettings); // Get current keyboard settings + keyboardNewSettings = CORE.Input.Keyboard.defaultSettings; + + // New terminal settings for keyboard: turn off buffering (non-canonical mode), echo + // NOTE: ISIG controls if ^C and ^Z generate break signals or not + keyboardNewSettings.c_lflag &= ~(ICANON | ECHO | ISIG); + keyboardNewSettings.c_cc[VMIN] = 1; + keyboardNewSettings.c_cc[VTIME] = 0; + + // Set new keyboard settings (change occurs immediately) + tcsetattr(STDIN_FILENO, TCSANOW, &keyboardNewSettings); + + // Save old keyboard mode to restore it at the end + if (ioctl(STDIN_FILENO, KDGKBMODE, &CORE.Input.Keyboard.defaultMode) < 0) + { + // NOTE: It could mean we are using a remote keyboard through ssh or from the desktop + TRACELOG(LOG_WARNING, "RPI: Failed to change keyboard mode (not a local terminal)"); + } + else ioctl(STDIN_FILENO, KDSKBMODE, K_XLATE); + + // Register terminal restore when program finishes + atexit(RestoreTerminal); +} +// Restore terminal +static void RestoreTerminal(void) +{ + TRACELOG(LOG_INFO, "RPI: Restoring terminal..."); + + // Reset to default keyboard settings + tcsetattr(STDIN_FILENO, TCSANOW, &CORE.Input.Keyboard.defaultSettings); + + // Reconfigure keyboard to default mode + ioctl(STDIN_FILENO, KDSKBMODE, CORE.Input.Keyboard.defaultMode); +} +#endif +// Initialize window and OpenGL context +// NOTE: data parameter could be used to pass any kind of required data to the initialization +void InitWindow(int width, int height, const char *title) +{ + TRACELOG(LOG_INFO, "Initializing raylib %s", RAYLIB_VERSION); + + CORE.Window.title = title; + + // Initialize required global values different than 0 + CORE.Input.Keyboard.exitKey = KEY_ESCAPE; + CORE.Input.Mouse.scale = (Vector2){ 1.0f, 1.0f }; + CORE.Input.Gamepad.lastButtonPressed = -1; + +#if defined(PLATFORM_ANDROID) + CORE.Window.screen.width = width; + CORE.Window.screen.height = height; + CORE.Window.currentFbo.width = width; + CORE.Window.currentFbo.height = height; + + // Input data is android app pointer + CORE.Android.internalDataPath = CORE.Android.app->activity->internalDataPath; + + // Set desired windows flags before initializing anything + ANativeActivity_setWindowFlags(CORE.Android.app->activity, AWINDOW_FLAG_FULLSCREEN, 0); //AWINDOW_FLAG_SCALED, AWINDOW_FLAG_DITHER + + int orientation = AConfiguration_getOrientation(CORE.Android.app->config); + + if (orientation == ACONFIGURATION_ORIENTATION_PORT) TRACELOG(LOG_INFO, "ANDROID: Window orientation set as portrait"); + else if (orientation == ACONFIGURATION_ORIENTATION_LAND) TRACELOG(LOG_INFO, "ANDROID: Window orientation set as landscape"); + + // TODO: Automatic orientation doesn't seem to work + if (width <= height) + { + AConfiguration_setOrientation(CORE.Android.app->config, ACONFIGURATION_ORIENTATION_PORT); + TRACELOG(LOG_WARNING, "ANDROID: Window orientation changed to portrait"); + } + else + { + AConfiguration_setOrientation(CORE.Android.app->config, ACONFIGURATION_ORIENTATION_LAND); + TRACELOG(LOG_WARNING, "ANDROID: Window orientation changed to landscape"); + } + + //AConfiguration_getDensity(CORE.Android.app->config); + //AConfiguration_getKeyboard(CORE.Android.app->config); + //AConfiguration_getScreenSize(CORE.Android.app->config); + //AConfiguration_getScreenLong(CORE.Android.app->config); + + CORE.Android.app->onAppCmd = AndroidCommandCallback; + CORE.Android.app->onInputEvent = AndroidInputCallback; + + InitAssetManager(CORE.Android.app->activity->assetManager, CORE.Android.app->activity->internalDataPath); + + TRACELOG(LOG_INFO, "ANDROID: App initialized successfully"); + + // Android ALooper_pollAll() variables + int pollResult = 0; + int pollEvents = 0; + + // Wait for window to be initialized (display and context) + while (!CORE.Window.ready) + { + // Process events loop + while ((pollResult = ALooper_pollAll(0, NULL, &pollEvents, (void**)&CORE.Android.source)) >= 0) + { + // Process this event + if (CORE.Android.source != NULL) CORE.Android.source->process(CORE.Android.app, CORE.Android.source); + + // NOTE: Never close window, native activity is controlled by the system! + //if (CORE.Android.app->destroyRequested != 0) CORE.Window.shouldClose = true; + } + } +#else + // Init graphics device (display device and OpenGL context) + // NOTE: returns true if window and graphic device has been initialized successfully + CORE.Window.ready = InitGraphicsDevice(width, height); + if (!CORE.Window.ready) return; + + // Init hi-res timer + InitTimer(); + +#if defined(SUPPORT_DEFAULT_FONT) + // Load default font + // NOTE: External functions (defined in module: text) + LoadFontDefault(); + Rectangle rec = GetFontDefault().recs[95]; + // NOTE: We setup a 1px padding on char rectangle to avoid pixel bleeding on MSAA filtering + SetShapesTexture(GetFontDefault().texture, (Rectangle){ rec.x + 1, rec.y + 1, rec.width - 2, rec.height - 2 }); +#endif +#if defined(PLATFORM_DESKTOP) && defined(SUPPORT_HIGH_DPI) + // Set default font texture filter for HighDPI (blurry) + SetTextureFilter(GetFontDefault().texture, FILTER_BILINEAR); +#endif + +#if defined(PLATFORM_RPI) + // Init raw input system + InitEvdevInput(); // Evdev inputs initialization + InitGamepad(); // Gamepad init +#if defined(SUPPORT_SSH_KEYBOARD_RPI) + InitKeyboard(); // Keyboard init +#else + InitTerminal(); // Terminal init +#endif +#endif + +#if defined(PLATFORM_WEB) + // Detect fullscreen change events + emscripten_set_fullscreenchange_callback("#canvas", NULL, 1, EmscriptenFullscreenChangeCallback); + + // Support keyboard events + emscripten_set_keypress_callback("#canvas", NULL, 1, EmscriptenKeyboardCallback); + + // Support mouse events + emscripten_set_click_callback("#canvas", NULL, 1, EmscriptenMouseCallback); + + // Support touch events + emscripten_set_touchstart_callback("#canvas", NULL, 1, EmscriptenTouchCallback); + emscripten_set_touchend_callback("#canvas", NULL, 1, EmscriptenTouchCallback); + emscripten_set_touchmove_callback("#canvas", NULL, 1, EmscriptenTouchCallback); + emscripten_set_touchcancel_callback("#canvas", NULL, 1, EmscriptenTouchCallback); + + // Support gamepad events (not provided by GLFW3 on emscripten) + emscripten_set_gamepadconnected_callback(NULL, 1, EmscriptenGamepadCallback); + emscripten_set_gamepaddisconnected_callback(NULL, 1, EmscriptenGamepadCallback); +#endif + + CORE.Input.Mouse.position.x = (float)CORE.Window.screen.width/2.0f; + CORE.Input.Mouse.position.y = (float)CORE.Window.screen.height/2.0f; +#endif // PLATFORM_ANDROID +} + +// Close window and unload OpenGL context +void CloseWindow(void) +{ +#if defined(SUPPORT_GIF_RECORDING) + if (gifRecording) + { + GifEnd(); + gifRecording = false; + } +#endif + +#if defined(SUPPORT_DEFAULT_FONT) + UnloadFontDefault(); +#endif + + rlglClose(); // De-init rlgl + +#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) + glfwDestroyWindow(CORE.Window.handle); + glfwTerminate(); +#endif + +#if !defined(SUPPORT_BUSY_WAIT_LOOP) && defined(_WIN32) + timeEndPeriod(1); // Restore time period +#endif + +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_UWP) + // Close surface, context and display + if (CORE.Window.device != EGL_NO_DISPLAY) + { + eglMakeCurrent(CORE.Window.device, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); + + if (CORE.Window.surface != EGL_NO_SURFACE) + { + eglDestroySurface(CORE.Window.device, CORE.Window.surface); + CORE.Window.surface = EGL_NO_SURFACE; + } + + if (CORE.Window.context != EGL_NO_CONTEXT) + { + eglDestroyContext(CORE.Window.device, CORE.Window.context); + CORE.Window.context = EGL_NO_CONTEXT; + } + + eglTerminate(CORE.Window.device); + CORE.Window.device = EGL_NO_DISPLAY; + } +#endif + +#if defined(PLATFORM_RPI) + // Wait for mouse and gamepad threads to finish before closing + // NOTE: Those threads should already have finished at this point + // because they are controlled by CORE.Window.shouldClose variable + + CORE.Window.shouldClose = true; // Added to force threads to exit when the close window is called + + for (int i = 0; i < sizeof(CORE.Input.eventWorker)/sizeof(InputEventWorker); ++i) + { + if (CORE.Input.eventWorker[i].threadId) + { + pthread_join(CORE.Input.eventWorker[i].threadId, NULL); + } + } + + if (CORE.Input.Gamepad.threadId) pthread_join(CORE.Input.Gamepad.threadId, NULL); +#endif + + TRACELOG(LOG_INFO, "Window closed successfully"); +} + +// Check if window has been initialized successfully +bool IsWindowReady(void) +{ + return CORE.Window.ready; +} + +// Check if KEY_ESCAPE pressed or Close icon pressed +bool WindowShouldClose(void) +{ +#if defined(PLATFORM_WEB) + // Emterpreter-Async required to run sync code + // https://github.com/emscripten-core/emscripten/wiki/Emterpreter#emterpreter-async-run-synchronous-code + // By default, this function is never called on a web-ready raylib example because we encapsulate + // frame code in a UpdateDrawFrame() function, to allow browser manage execution asynchronously + // but now emscripten allows sync code to be executed in an interpreted way, using emterpreter! + emscripten_sleep(16); + return false; +#endif + +#if defined(PLATFORM_DESKTOP) + if (CORE.Window.ready) + { + // While window minimized, stop loop execution + while (!CORE.Window.alwaysRun && CORE.Window.minimized) glfwWaitEvents(); + + CORE.Window.shouldClose = glfwWindowShouldClose(CORE.Window.handle); + + return CORE.Window.shouldClose; + } + else return true; +#endif + +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_UWP) + if (CORE.Window.ready) return CORE.Window.shouldClose; + else return true; +#endif +} + +// Check if window has been minimized (or lost focus) +bool IsWindowMinimized(void) +{ +#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) || defined(PLATFORM_UWP) + return CORE.Window.minimized; +#else + return false; +#endif +} + +// Check if window has been resized +bool IsWindowResized(void) +{ +#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) || defined(PLATFORM_UWP) + return CORE.Window.resized; +#else + return false; +#endif +} + +// Check if window is currently hidden +bool IsWindowHidden(void) +{ +#if defined(PLATFORM_DESKTOP) + return (glfwGetWindowAttrib(CORE.Window.handle, GLFW_VISIBLE) == GL_FALSE); +#endif + return false; +} + +// Check if window is currently fullscreen +bool IsWindowFullscreen(void) +{ + return CORE.Window.fullscreen; +} + +// Toggle fullscreen mode (only PLATFORM_DESKTOP) +void ToggleFullscreen(void) +{ + CORE.Window.fullscreen = !CORE.Window.fullscreen; // Toggle fullscreen flag + +#if defined(PLATFORM_DESKTOP) + // NOTE: glfwSetWindowMonitor() doesn't work properly (bugs) + if (CORE.Window.fullscreen) + { + // Store previous window position (in case we exit fullscreen) + glfwGetWindowPos(CORE.Window.handle, &CORE.Window.position.x, &CORE.Window.position.y); + + GLFWmonitor *monitor = glfwGetPrimaryMonitor(); + if (!monitor) + { + TRACELOG(LOG_WARNING, "GLFW: Failed to get monitor"); + glfwSetWindowMonitor(CORE.Window.handle, glfwGetPrimaryMonitor(), 0, 0, CORE.Window.screen.width, CORE.Window.screen.height, GLFW_DONT_CARE); + return; + } + + const GLFWvidmode *mode = glfwGetVideoMode(monitor); + glfwSetWindowMonitor(CORE.Window.handle, glfwGetPrimaryMonitor(), 0, 0, CORE.Window.screen.width, CORE.Window.screen.height, mode->refreshRate); + + // Try to enable GPU V-Sync, so frames are limited to screen refresh rate (60Hz -> 60 FPS) + // NOTE: V-Sync can be enabled by graphic driver configuration + if (CORE.Window.flags & FLAG_VSYNC_HINT) glfwSwapInterval(1); + } + else glfwSetWindowMonitor(CORE.Window.handle, NULL, CORE.Window.position.x, CORE.Window.position.y, CORE.Window.screen.width, CORE.Window.screen.height, GLFW_DONT_CARE); +#endif +#if defined(PLATFORM_WEB) + if (CORE.Window.fullscreen) EM_ASM(Module.requestFullscreen(false, false);); + else EM_ASM(document.exitFullscreen();); +#endif +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) + TRACELOG(LOG_WARNING, "SYSTEM: Failed to toggle to windowed mode"); +#endif +} + +// Set icon for window (only PLATFORM_DESKTOP) +// NOTE: Image must be in RGBA format, 8bit per channel +void SetWindowIcon(Image image) +{ +#if defined(PLATFORM_DESKTOP) + if (image.format == UNCOMPRESSED_R8G8B8A8) + { + GLFWimage icon[1] = { 0 }; + + icon[0].width = image.width; + icon[0].height = image.height; + icon[0].pixels = (unsigned char *)image.data; + + // NOTE 1: We only support one image icon + // NOTE 2: The specified image data is copied before this function returns + glfwSetWindowIcon(CORE.Window.handle, 1, icon); + } + else TRACELOG(LOG_WARNING, "GLFW: Window icon image must be in R8G8B8A8 pixel format"); +#endif +} + +// Set title for window (only PLATFORM_DESKTOP) +void SetWindowTitle(const char *title) +{ + CORE.Window.title = title; +#if defined(PLATFORM_DESKTOP) + glfwSetWindowTitle(CORE.Window.handle, title); +#endif +} + +// Set window position on screen (windowed mode) +void SetWindowPosition(int x, int y) +{ +#if defined(PLATFORM_DESKTOP) + glfwSetWindowPos(CORE.Window.handle, x, y); +#endif +} + +// Set monitor for the current window (fullscreen mode) +void SetWindowMonitor(int monitor) +{ +#if defined(PLATFORM_DESKTOP) + int monitorCount = 0; + GLFWmonitor **monitors = glfwGetMonitors(&monitorCount); + + if ((monitor >= 0) && (monitor < monitorCount)) + { + TRACELOG(LOG_INFO, "GLFW: Selected fullscreen monitor: [%i] %s", monitor, glfwGetMonitorName(monitors[monitor])); + + const GLFWvidmode *mode = glfwGetVideoMode(monitors[monitor]); + glfwSetWindowMonitor(CORE.Window.handle, monitors[monitor], 0, 0, mode->width, mode->height, mode->refreshRate); + } + else TRACELOG(LOG_WARNING, "GLFW: Failed to find selected monitor"); +#endif +} + +// Set window minimum dimensions (FLAG_WINDOW_RESIZABLE) +void SetWindowMinSize(int width, int height) +{ +#if defined(PLATFORM_DESKTOP) + const GLFWvidmode *mode = glfwGetVideoMode(glfwGetPrimaryMonitor()); + glfwSetWindowSizeLimits(CORE.Window.handle, width, height, mode->width, mode->height); +#endif +} + +// Set window dimensions +// TODO: Issues on HighDPI scaling +void SetWindowSize(int width, int height) +{ +#if defined(PLATFORM_DESKTOP) + glfwSetWindowSize(CORE.Window.handle, width, height); +#endif +#if defined(PLATFORM_WEB) + emscripten_set_canvas_size(width, height); // DEPRECATED! + + // TODO: Below functions should be used to replace previous one but + // they do not seem to work properly + //emscripten_set_canvas_element_size("canvas", width, height); + //emscripten_set_element_css_size("canvas", width, height); +#endif +} + +// Show the window +void UnhideWindow(void) +{ +#if defined(PLATFORM_DESKTOP) + glfwShowWindow(CORE.Window.handle); +#endif +} + +// Hide the window +void HideWindow(void) +{ +#if defined(PLATFORM_DESKTOP) + glfwHideWindow(CORE.Window.handle); +#endif +} + +// Get current screen width +int GetScreenWidth(void) +{ + return CORE.Window.screen.width; +} + +// Get current screen height +int GetScreenHeight(void) +{ + return CORE.Window.screen.height; +} + +// Get native window handle +void *GetWindowHandle(void) +{ +#if defined(PLATFORM_DESKTOP) && defined(_WIN32) + // NOTE: Returned handle is: void *HWND (windows.h) + return glfwGetWin32Window(CORE.Window.handle); +#elif defined(__linux__) + // NOTE: Returned handle is: unsigned long Window (X.h) + // typedef unsigned long XID; + // typedef XID Window; + //unsigned long id = (unsigned long)glfwGetX11Window(window); + return NULL; // TODO: Find a way to return value... cast to void *? +#elif defined(__APPLE__) + // NOTE: Returned handle is: (objc_object *) + return NULL; // TODO: return (void *)glfwGetCocoaWindow(window); +#else + return NULL; +#endif +} + +// Get number of monitors +int GetMonitorCount(void) +{ +#if defined(PLATFORM_DESKTOP) + int monitorCount; + glfwGetMonitors(&monitorCount); + return monitorCount; +#else + return 1; +#endif +} + +// Get primary monitor width +int GetMonitorWidth(int monitor) +{ +#if defined(PLATFORM_DESKTOP) + int monitorCount; + GLFWmonitor **monitors = glfwGetMonitors(&monitorCount); + + if ((monitor >= 0) && (monitor < monitorCount)) + { + const GLFWvidmode *mode = glfwGetVideoMode(monitors[monitor]); + return mode->width; + } + else TRACELOG(LOG_WARNING, "GLFW: Failed to find selected monitor"); +#endif + return 0; +} + +// Get primary monitor width +int GetMonitorHeight(int monitor) +{ +#if defined(PLATFORM_DESKTOP) + int monitorCount; + GLFWmonitor **monitors = glfwGetMonitors(&monitorCount); + + if ((monitor >= 0) && (monitor < monitorCount)) + { + const GLFWvidmode *mode = glfwGetVideoMode(monitors[monitor]); + return mode->height; + } + else TRACELOG(LOG_WARNING, "GLFW: Failed to find selected monitor"); +#endif + return 0; +} + +// Get primary montior physical width in millimetres +int GetMonitorPhysicalWidth(int monitor) +{ +#if defined(PLATFORM_DESKTOP) + int monitorCount; + GLFWmonitor **monitors = glfwGetMonitors(&monitorCount); + + if ((monitor >= 0) && (monitor < monitorCount)) + { + int physicalWidth; + glfwGetMonitorPhysicalSize(monitors[monitor], &physicalWidth, NULL); + return physicalWidth; + } + else TRACELOG(LOG_WARNING, "GLFW: Failed to find selected monitor"); +#endif + return 0; +} + +// Get primary monitor physical height in millimetres +int GetMonitorPhysicalHeight(int monitor) +{ +#if defined(PLATFORM_DESKTOP) + int monitorCount; + GLFWmonitor **monitors = glfwGetMonitors(&monitorCount); + + if ((monitor >= 0) && (monitor < monitorCount)) + { + int physicalHeight; + glfwGetMonitorPhysicalSize(monitors[monitor], NULL, &physicalHeight); + return physicalHeight; + } + else TRACELOG(LOG_WARNING, "GLFW: Failed to find selected monitor"); +#endif + return 0; +} + +// Get window position XY on monitor +Vector2 GetWindowPosition(void) +{ + int x = 0; + int y = 0; +#if defined(PLATFORM_DESKTOP) + glfwGetWindowPos(CORE.Window.handle, &x, &y); +#endif + return (Vector2){ (float)x, (float)y }; +} + +// Get the human-readable, UTF-8 encoded name of the primary monitor +const char *GetMonitorName(int monitor) +{ +#if defined(PLATFORM_DESKTOP) + int monitorCount; + GLFWmonitor **monitors = glfwGetMonitors(&monitorCount); + + if ((monitor >= 0) && (monitor < monitorCount)) + { + return glfwGetMonitorName(monitors[monitor]); + } + else TRACELOG(LOG_WARNING, "GLFW: Failed to find selected monitor"); +#endif + return ""; +} + +// Get clipboard text content +// NOTE: returned string is allocated and freed by GLFW +const char *GetClipboardText(void) +{ +#if defined(PLATFORM_DESKTOP) + return glfwGetClipboardString(CORE.Window.handle); +#else + return NULL; +#endif +} + +// Set clipboard text content +void SetClipboardText(const char *text) +{ +#if defined(PLATFORM_DESKTOP) + glfwSetClipboardString(CORE.Window.handle, text); +#endif +} + +// Get current operating system used +void GetOS() +{ + #ifdef _WIN16 || _WIN32 || _WIN64 + return "Windows" + #elif __MACH__ || TARGET_OS_MAC + return "OSX" + #elif __linux__ + return "Linux" + #elif __unix__ + return "Unix" + #elif __ANDROID__ + return "Android" + #elif TARGET_OS_IPHONE || TARGET_IPHONE_SIMULATOR || TARGET_OS_EMBEDDED + return "iOS" + #elif __sun + return "Solaris" + #elif BSD + return "BSD" + #endif +} + +// Show mouse cursor +void ShowCursor(void) +{ +#if defined(PLATFORM_DESKTOP) + glfwSetInputMode(CORE.Window.handle, GLFW_CURSOR, GLFW_CURSOR_NORMAL); +#endif +#if defined(PLATFORM_UWP) + UWPMessage *msg = CreateUWPMessage(); + msg->type = UWP_MSG_SHOW_MOUSE; + SendMessageToUWP(msg); +#endif + CORE.Input.Mouse.cursorHidden = false; +} + +// Hides mouse cursor +void HideCursor(void) +{ +#if defined(PLATFORM_DESKTOP) + glfwSetInputMode(CORE.Window.handle, GLFW_CURSOR, GLFW_CURSOR_HIDDEN); +#endif +#if defined(PLATFORM_UWP) + UWPMessage *msg = CreateUWPMessage(); + msg->type = UWP_MSG_HIDE_MOUSE; + SendMessageToUWP(msg); +#endif + CORE.Input.Mouse.cursorHidden = true; +} + +// Check if cursor is not visible +bool IsCursorHidden(void) +{ + return CORE.Input.Mouse.cursorHidden; +} + +// Enables cursor (unlock cursor) +void EnableCursor(void) +{ +#if defined(PLATFORM_DESKTOP) + glfwSetInputMode(CORE.Window.handle, GLFW_CURSOR, GLFW_CURSOR_NORMAL); +#endif +#if defined(PLATFORM_WEB) + CORE.Input.Mouse.cursorLockRequired = true; +#endif +#if defined(PLATFORM_UWP) + UWPMessage *msg = CreateUWPMessage(); + msg->type = UWP_MSG_LOCK_MOUSE; + SendMessageToUWP(msg); +#endif + CORE.Input.Mouse.cursorHidden = false; +} + +// Disables cursor (lock cursor) +void DisableCursor(void) +{ +#if defined(PLATFORM_DESKTOP) + glfwSetInputMode(CORE.Window.handle, GLFW_CURSOR, GLFW_CURSOR_DISABLED); +#endif +#if defined(PLATFORM_WEB) + CORE.Input.Mouse.cursorLockRequired = true; +#endif +#if defined(PLATFORM_UWP) + UWPMessage *msg = CreateUWPMessage(); + msg->type = UWP_MSG_UNLOCK_MOUSE; + SendMessageToUWP(msg); +#endif + CORE.Input.Mouse.cursorHidden = true; +} + +// Set background color (framebuffer clear color) +void ClearBackground(Color color) +{ + rlClearColor(color.r, color.g, color.b, color.a); // Set clear color + rlClearScreenBuffers(); // Clear current framebuffers +} + +// Setup canvas (framebuffer) to start drawing +void BeginDrawing(void) +{ + CORE.Time.current = GetTime(); // Number of elapsed seconds since InitTimer() + CORE.Time.update = CORE.Time.current - CORE.Time.previous; + CORE.Time.previous = CORE.Time.current; + + rlLoadIdentity(); // Reset current matrix (MODELVIEW) + rlMultMatrixf(MatrixToFloat(CORE.Window.screenScale)); // Apply screen scaling + + //rlTranslatef(0.375, 0.375, 0); // HACK to have 2D pixel-perfect drawing on OpenGL 1.1 + // NOTE: Not required with OpenGL 3.3+ +} + +// End canvas drawing and swap buffers (double buffering) +void EndDrawing(void) +{ +#if defined(PLATFORM_RPI) && defined(SUPPORT_MOUSE_CURSOR_RPI) + // On RPI native mode we have no system mouse cursor, so, + // we draw a small rectangle for user reference + DrawRectangle(CORE.Input.Mouse.position.x, CORE.Input.Mouse.position.y, 3, 3, MAROON); +#endif + + rlglDraw(); // Draw Buffers (Only OpenGL 3+ and ES2) + +#if defined(SUPPORT_GIF_RECORDING) + #define GIF_RECORD_FRAMERATE 10 + + if (gifRecording) + { + gifFramesCounter++; + + // NOTE: We record one gif frame every 10 game frames + if ((gifFramesCounter%GIF_RECORD_FRAMERATE) == 0) + { + // Get image data for the current frame (from backbuffer) + // NOTE: This process is very slow... :( + unsigned char *screenData = rlReadScreenPixels(CORE.Window.screen.width, CORE.Window.screen.height); + GifWriteFrame(screenData, CORE.Window.screen.width, CORE.Window.screen.height, 10, 8, false); + + RL_FREE(screenData); // Free image data + } + + if (((gifFramesCounter/15)%2) == 1) + { + DrawCircle(30, CORE.Window.screen.height - 20, 10, RED); + DrawText("RECORDING", 50, CORE.Window.screen.height - 25, 10, MAROON); + } + + rlglDraw(); // Draw RECORDING message + } +#endif + + SwapBuffers(); // Copy back buffer to front buffer + PollInputEvents(); // Poll user events + + // Frame time control system + CORE.Time.current = GetTime(); + CORE.Time.draw = CORE.Time.current - CORE.Time.previous; + CORE.Time.previous = CORE.Time.current; + + CORE.Time.frame = CORE.Time.update + CORE.Time.draw; + + // Wait for some milliseconds... + if (CORE.Time.frame < CORE.Time.target) + { + Wait((float)(CORE.Time.target - CORE.Time.frame)*1000.0f); + + CORE.Time.current = GetTime(); + double waitTime = CORE.Time.current - CORE.Time.previous; + CORE.Time.previous = CORE.Time.current; + + CORE.Time.frame += waitTime; // Total frame time: update + draw + wait + + //SetWindowTitle(FormatText("Update: %f, Draw: %f, Req.Wait: %f, Real.Wait: %f, Total: %f, Target: %f\n", + // (float)CORE.Time.update, (float)CORE.Time.draw, (float)(CORE.Time.target - (CORE.Time.update + CORE.Time.draw)), + // (float)waitTime, (float)CORE.Time.frame, (float)CORE.Time.target)); + } +} + +// Initialize 2D mode with custom camera (2D) +void BeginMode2D(Camera2D camera) +{ + rlglDraw(); // Draw Buffers (Only OpenGL 3+ and ES2) + + rlLoadIdentity(); // Reset current matrix (MODELVIEW) + + // Apply 2d camera transformation to modelview + rlMultMatrixf(MatrixToFloat(GetCameraMatrix2D(camera))); + + // Apply screen scaling if required + rlMultMatrixf(MatrixToFloat(CORE.Window.screenScale)); +} + +// Ends 2D mode with custom camera +void EndMode2D(void) +{ + rlglDraw(); // Draw Buffers (Only OpenGL 3+ and ES2) + + rlLoadIdentity(); // Reset current matrix (MODELVIEW) + rlMultMatrixf(MatrixToFloat(CORE.Window.screenScale)); // Apply screen scaling if required +} + +// Initializes 3D mode with custom camera (3D) +void BeginMode3D(Camera3D camera) +{ + rlglDraw(); // Draw Buffers (Only OpenGL 3+ and ES2) + + rlMatrixMode(RL_PROJECTION); // Switch to projection matrix + rlPushMatrix(); // Save previous matrix, which contains the settings for the 2d ortho projection + rlLoadIdentity(); // Reset current matrix (PROJECTION) + + float aspect = (float)CORE.Window.currentFbo.width/(float)CORE.Window.currentFbo.height; + + if (camera.type == CAMERA_PERSPECTIVE) + { + // Setup perspective projection + double top = 0.01*tan(camera.fovy*0.5*DEG2RAD); + double right = top*aspect; + + rlFrustum(-right, right, -top, top, DEFAULT_NEAR_CULL_DISTANCE, DEFAULT_FAR_CULL_DISTANCE); + } + else if (camera.type == CAMERA_ORTHOGRAPHIC) + { + // Setup orthographic projection + double top = camera.fovy/2.0; + double right = top*aspect; + + rlOrtho(-right, right, -top,top, DEFAULT_NEAR_CULL_DISTANCE, DEFAULT_FAR_CULL_DISTANCE); + } + + // NOTE: zNear and zFar values are important when computing depth buffer values + + rlMatrixMode(RL_MODELVIEW); // Switch back to modelview matrix + rlLoadIdentity(); // Reset current matrix (MODELVIEW) + + // Setup Camera view + Matrix matView = MatrixLookAt(camera.position, camera.target, camera.up); + rlMultMatrixf(MatrixToFloat(matView)); // Multiply MODELVIEW matrix by view matrix (camera) + + rlEnableDepthTest(); // Enable DEPTH_TEST for 3D +} + +// Ends 3D mode and returns to default 2D orthographic mode +void EndMode3D(void) +{ + rlglDraw(); // Process internal buffers (update + draw) + + rlMatrixMode(RL_PROJECTION); // Switch to projection matrix + rlPopMatrix(); // Restore previous matrix (PROJECTION) from matrix stack + + rlMatrixMode(RL_MODELVIEW); // Get back to modelview matrix + rlLoadIdentity(); // Reset current matrix (MODELVIEW) + + rlMultMatrixf(MatrixToFloat(CORE.Window.screenScale)); // Apply screen scaling if required + + rlDisableDepthTest(); // Disable DEPTH_TEST for 2D +} + +// Initializes render texture for drawing +void BeginTextureMode(RenderTexture2D target) +{ + rlglDraw(); // Draw Buffers (Only OpenGL 3+ and ES2) + + rlEnableRenderTexture(target.id); // Enable render target + + // Set viewport to framebuffer size + rlViewport(0, 0, target.texture.width, target.texture.height); + + rlMatrixMode(RL_PROJECTION); // Switch to PROJECTION matrix + rlLoadIdentity(); // Reset current matrix (PROJECTION) + + // Set orthographic projection to current framebuffer size + // NOTE: Configured top-left corner as (0, 0) + rlOrtho(0, target.texture.width, target.texture.height, 0, 0.0f, 1.0f); + + rlMatrixMode(RL_MODELVIEW); // Switch back to MODELVIEW matrix + rlLoadIdentity(); // Reset current matrix (MODELVIEW) + + //rlScalef(0.0f, -1.0f, 0.0f); // Flip Y-drawing (?) + + // Setup current width/height for proper aspect ratio + // calculation when using BeginMode3D() + CORE.Window.currentFbo.width = target.texture.width; + CORE.Window.currentFbo.height = target.texture.height; +} + +// Ends drawing to render texture +void EndTextureMode(void) +{ + rlglDraw(); // Draw Buffers (Only OpenGL 3+ and ES2) + + rlDisableRenderTexture(); // Disable render target + + // Set viewport to default framebuffer size + SetupViewport(CORE.Window.render.width, CORE.Window.render.height); + + // Reset current screen size + CORE.Window.currentFbo.width = GetScreenWidth(); + CORE.Window.currentFbo.height = GetScreenHeight(); +} + +// Begin scissor mode (define screen area for following drawing) +// NOTE: Scissor rec refers to bottom-left corner, we change it to upper-left +void BeginScissorMode(int x, int y, int width, int height) +{ + rlglDraw(); // Force drawing elements + + rlEnableScissorTest(); + rlScissor(x, GetScreenHeight() - (y + height), width, height); +} + +// End scissor mode +void EndScissorMode(void) +{ + rlglDraw(); // Force drawing elements + rlDisableScissorTest(); +} + +// Returns a ray trace from mouse position +Ray GetMouseRay(Vector2 mouse, Camera camera) +{ + Ray ray; + + // Calculate normalized device coordinates + // NOTE: y value is negative + float x = (2.0f*mouse.x)/(float)GetScreenWidth() - 1.0f; + float y = 1.0f - (2.0f*mouse.y)/(float)GetScreenHeight(); + float z = 1.0f; + + // Store values in a vector + Vector3 deviceCoords = { x, y, z }; + + // Calculate view matrix from camera look at + Matrix matView = MatrixLookAt(camera.position, camera.target, camera.up); + + Matrix matProj = MatrixIdentity(); + + if (camera.type == CAMERA_PERSPECTIVE) + { + // Calculate projection matrix from perspective + matProj = MatrixPerspective(camera.fovy*DEG2RAD, ((double)GetScreenWidth()/(double)GetScreenHeight()), DEFAULT_NEAR_CULL_DISTANCE, DEFAULT_FAR_CULL_DISTANCE); + } + else if (camera.type == CAMERA_ORTHOGRAPHIC) + { + float aspect = (float)CORE.Window.screen.width/(float)CORE.Window.screen.height; + double top = camera.fovy/2.0; + double right = top*aspect; + + // Calculate projection matrix from orthographic + matProj = MatrixOrtho(-right, right, -top, top, 0.01, 1000.0); + } + + // Unproject far/near points + Vector3 nearPoint = rlUnproject((Vector3){ deviceCoords.x, deviceCoords.y, 0.0f }, matProj, matView); + Vector3 farPoint = rlUnproject((Vector3){ deviceCoords.x, deviceCoords.y, 1.0f }, matProj, matView); + + // Unproject the mouse cursor in the near plane. + // We need this as the source position because orthographic projects, compared to perspect doesn't have a + // convergence point, meaning that the "eye" of the camera is more like a plane than a point. + Vector3 cameraPlanePointerPos = rlUnproject((Vector3){ deviceCoords.x, deviceCoords.y, -1.0f }, matProj, matView); + + // Calculate normalized direction vector + Vector3 direction = Vector3Normalize(Vector3Subtract(farPoint, nearPoint)); + + if (camera.type == CAMERA_PERSPECTIVE) ray.position = camera.position; + else if (camera.type == CAMERA_ORTHOGRAPHIC) ray.position = cameraPlanePointerPos; + + // Apply calculated vectors to ray + ray.direction = direction; + + return ray; +} + +// Get transform matrix for camera +Matrix GetCameraMatrix(Camera camera) +{ + return MatrixLookAt(camera.position, camera.target, camera.up); +} + +// Returns camera 2d transform matrix +Matrix GetCameraMatrix2D(Camera2D camera) +{ + Matrix matTransform = { 0 }; + // The camera in world-space is set by + // 1. Move it to target + // 2. Rotate by -rotation and scale by (1/zoom) + // When setting higher scale, it's more intuitive for the world to become bigger (= camera become smaller), + // not for the camera getting bigger, hence the invert. Same deal with rotation. + // 3. Move it by (-offset); + // Offset defines target transform relative to screen, but since we're effectively "moving" screen (camera) + // we need to do it into opposite direction (inverse transform) + + // Having camera transform in world-space, inverse of it gives the modelview transform. + // Since (A*B*C)' = C'*B'*A', the modelview is + // 1. Move to offset + // 2. Rotate and Scale + // 3. Move by -target + Matrix matOrigin = MatrixTranslate(-camera.target.x, -camera.target.y, 0.0f); + Matrix matRotation = MatrixRotate((Vector3){ 0.0f, 0.0f, 1.0f }, camera.rotation*DEG2RAD); + Matrix matScale = MatrixScale(camera.zoom, camera.zoom, 1.0f); + Matrix matTranslation = MatrixTranslate(camera.offset.x, camera.offset.y, 0.0f); + + matTransform = MatrixMultiply(MatrixMultiply(matOrigin, MatrixMultiply(matScale, matRotation)), matTranslation); + + return matTransform; +} + +// Returns the screen space position from a 3d world space position +Vector2 GetWorldToScreen(Vector3 position, Camera camera) +{ + Vector2 screenPosition = GetWorldToScreenEx(position, camera, GetScreenWidth(), GetScreenHeight()); + + return screenPosition; +} + +// Returns size position for a 3d world space position (useful for texture drawing) +Vector2 GetWorldToScreenEx(Vector3 position, Camera camera, int width, int height) +{ + // Calculate projection matrix (from perspective instead of frustum + Matrix matProj = MatrixIdentity(); + + if (camera.type == CAMERA_PERSPECTIVE) + { + // Calculate projection matrix from perspective + matProj = MatrixPerspective(camera.fovy * DEG2RAD, ((double)width/(double)height), DEFAULT_NEAR_CULL_DISTANCE, DEFAULT_FAR_CULL_DISTANCE); + } + else if (camera.type == CAMERA_ORTHOGRAPHIC) + { + float aspect = (float)CORE.Window.screen.width/(float)CORE.Window.screen.height; + double top = camera.fovy/2.0; + double right = top*aspect; + + // Calculate projection matrix from orthographic + matProj = MatrixOrtho(-right, right, -top, top, DEFAULT_NEAR_CULL_DISTANCE, DEFAULT_FAR_CULL_DISTANCE); + } + + // Calculate view matrix from camera look at (and transpose it) + Matrix matView = MatrixLookAt(camera.position, camera.target, camera.up); + + // Convert world position vector to quaternion + Quaternion worldPos = { position.x, position.y, position.z, 1.0f }; + + // Transform world position to view + worldPos = QuaternionTransform(worldPos, matView); + + // Transform result to projection (clip space position) + worldPos = QuaternionTransform(worldPos, matProj); + + // Calculate normalized device coordinates (inverted y) + Vector3 ndcPos = { worldPos.x/worldPos.w, -worldPos.y/worldPos.w, worldPos.z/worldPos.w }; + + // Calculate 2d screen position vector + Vector2 screenPosition = { (ndcPos.x + 1.0f)/2.0f*(float)width, (ndcPos.y + 1.0f)/2.0f*(float)height }; + + return screenPosition; +} + +// Returns the screen space position for a 2d camera world space position +Vector2 GetWorldToScreen2D(Vector2 position, Camera2D camera) +{ + Matrix matCamera = GetCameraMatrix2D(camera); + Vector3 transform = Vector3Transform((Vector3){ position.x, position.y, 0 }, matCamera); + + return (Vector2){ transform.x, transform.y }; +} + +// Returns the world space position for a 2d camera screen space position +Vector2 GetScreenToWorld2D(Vector2 position, Camera2D camera) +{ + Matrix invMatCamera = MatrixInvert(GetCameraMatrix2D(camera)); + Vector3 transform = Vector3Transform((Vector3){ position.x, position.y, 0 }, invMatCamera); + + return (Vector2){ transform.x, transform.y }; +} + +// Set target FPS (maximum) +void SetTargetFPS(int fps) +{ + if (fps < 1) CORE.Time.target = 0.0; + else CORE.Time.target = 1.0/(double)fps; + + TRACELOG(LOG_INFO, "TIMER: Target time per frame: %02.03f milliseconds", (float)CORE.Time.target*1000); +} + +// Returns current FPS +// NOTE: We calculate an average framerate +int GetFPS(void) +{ + #define FPS_CAPTURE_FRAMES_COUNT 30 // 30 captures + #define FPS_AVERAGE_TIME_SECONDS 0.5f // 500 millisecondes + #define FPS_STEP (FPS_AVERAGE_TIME_SECONDS/FPS_CAPTURE_FRAMES_COUNT) + + static int index = 0; + static float history[FPS_CAPTURE_FRAMES_COUNT] = { 0 }; + static float average = 0, last = 0; + float fpsFrame = GetFrameTime(); + + if (fpsFrame == 0) return 0; + + if ((GetTime() - last) > FPS_STEP) + { + last = GetTime(); + index = (index + 1)%FPS_CAPTURE_FRAMES_COUNT; + average -= history[index]; + history[index] = fpsFrame/FPS_CAPTURE_FRAMES_COUNT; + average += history[index]; + } + + return (int)roundf(1.0f/average); +} + +// Returns time in seconds for last frame drawn +float GetFrameTime(void) +{ + return (float)CORE.Time.frame; +} + +// Get elapsed time measure in seconds since InitTimer() +// NOTE: On PLATFORM_DESKTOP InitTimer() is called on InitWindow() +// NOTE: On PLATFORM_DESKTOP, timer is initialized on glfwInit() +double GetTime(void) +{ +#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) + return glfwGetTime(); // Elapsed time since glfwInit() +#endif + +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) + struct timespec ts; + clock_gettime(CLOCK_MONOTONIC, &ts); + unsigned long long int time = (unsigned long long int)ts.tv_sec*1000000000LLU + (unsigned long long int)ts.tv_nsec; + + return (double)(time - CORE.Time.base)*1e-9; // Elapsed time since InitTimer() +#endif + +#if defined(PLATFORM_UWP) + // Updated through messages + return CORE.Time.current; +#endif +} + +// Returns hexadecimal value for a Color +int ColorToInt(Color color) +{ + return (((int)color.r << 24) | ((int)color.g << 16) | ((int)color.b << 8) | (int)color.a); +} + +// Returns color normalized as float [0..1] +Vector4 ColorNormalize(Color color) +{ + Vector4 result; + + result.x = (float)color.r/255.0f; + result.y = (float)color.g/255.0f; + result.z = (float)color.b/255.0f; + result.w = (float)color.a/255.0f; + + return result; +} + +// Returns color from normalized values [0..1] +Color ColorFromNormalized(Vector4 normalized) +{ + Color result; + + result.r = normalized.x*255.0f; + result.g = normalized.y*255.0f; + result.b = normalized.z*255.0f; + result.a = normalized.w*255.0f; + + return result; +} + +// Returns HSV values for a Color +// NOTE: Hue is returned as degrees [0..360] +Vector3 ColorToHSV(Color color) +{ + Vector3 hsv = { 0 }; + Vector3 rgb = { (float)color.r/255.0f, (float)color.g/255.0f, (float)color.b/255.0f }; + float min, max, delta; + + min = rgb.x < rgb.y? rgb.x : rgb.y; + min = min < rgb.z? min : rgb.z; + + max = rgb.x > rgb.y? rgb.x : rgb.y; + max = max > rgb.z? max : rgb.z; + + hsv.z = max; // Value + delta = max - min; + + if (delta < 0.00001f) + { + hsv.y = 0.0f; + hsv.x = 0.0f; // Undefined, maybe NAN? + return hsv; + } + + if (max > 0.0f) + { + // NOTE: If max is 0, this divide would cause a crash + hsv.y = (delta/max); // Saturation + } + else + { + // NOTE: If max is 0, then r = g = b = 0, s = 0, h is undefined + hsv.y = 0.0f; + hsv.x = NAN; // Undefined + return hsv; + } + + // NOTE: Comparing float values could not work properly + if (rgb.x >= max) hsv.x = (rgb.y - rgb.z)/delta; // Between yellow & magenta + else + { + if (rgb.y >= max) hsv.x = 2.0f + (rgb.z - rgb.x)/delta; // Between cyan & yellow + else hsv.x = 4.0f + (rgb.x - rgb.y)/delta; // Between magenta & cyan + } + + hsv.x *= 60.0f; // Convert to degrees + + if (hsv.x < 0.0f) hsv.x += 360.0f; + + return hsv; +} + +// Returns a Color from HSV values +// Implementation reference: https://en.wikipedia.org/wiki/HSL_and_HSV#Alternative_HSV_conversion +// NOTE: Color->HSV->Color conversion will not yield exactly the same color due to rounding errors +Color ColorFromHSV(Vector3 hsv) +{ + Color color = { 0, 0, 0, 255 }; + float h = hsv.x, s = hsv.y, v = hsv.z; + + // Red channel + float k = fmod((5.0f + h/60.0f), 6); + float t = 4.0f - k; + k = (t < k)? t : k; + k = (k < 1)? k : 1; + k = (k > 0)? k : 0; + color.r = (v - v*s*k)*255; + + // Green channel + k = fmod((3.0f + h/60.0f), 6); + t = 4.0f - k; + k = (t < k)? t : k; + k = (k < 1)? k : 1; + k = (k > 0)? k : 0; + color.g = (v - v*s*k)*255; + + // Blue channel + k = fmod((1.0f + h/60.0f), 6); + t = 4.0f - k; + k = (t < k)? t : k; + k = (k < 1)? k : 1; + k = (k > 0)? k : 0; + color.b = (v - v*s*k)*255; + + return color; +} + +// Returns a Color struct from hexadecimal value +Color GetColor(int hexValue) +{ + Color color; + + color.r = (unsigned char)(hexValue >> 24) & 0xFF; + color.g = (unsigned char)(hexValue >> 16) & 0xFF; + color.b = (unsigned char)(hexValue >> 8) & 0xFF; + color.a = (unsigned char)hexValue & 0xFF; + + return color; +} + +// Returns a random value between min and max (both included) +int GetRandomValue(int min, int max) +{ + if (min > max) + { + int tmp = max; + max = min; + min = tmp; + } + + return (rand()%(abs(max - min) + 1) + min); +} + +// Color fade-in or fade-out, alpha goes from 0.0f to 1.0f +Color Fade(Color color, float alpha) +{ + if (alpha < 0.0f) alpha = 0.0f; + else if (alpha > 1.0f) alpha = 1.0f; + + return (Color){color.r, color.g, color.b, (unsigned char)(255.0f*alpha)}; +} + +// Setup window configuration flags (view FLAGS) +void SetConfigFlags(unsigned int flags) +{ + CORE.Window.flags = flags; + + if (CORE.Window.flags & FLAG_FULLSCREEN_MODE) CORE.Window.fullscreen = true; + if (CORE.Window.flags & FLAG_WINDOW_ALWAYS_RUN) CORE.Window.alwaysRun = true; +} + +// NOTE TRACELOG() function is located in [utils.h] + +// Takes a screenshot of current screen (saved a .png) +// NOTE: This function could work in any platform but some platforms: PLATFORM_ANDROID and PLATFORM_WEB +// have their own internal file-systems, to dowload image to user file-system some additional mechanism is required +void TakeScreenshot(const char *fileName) +{ + unsigned char *imgData = rlReadScreenPixels(CORE.Window.render.width, CORE.Window.render.height); + Image image = { imgData, CORE.Window.render.width, CORE.Window.render.height, 1, UNCOMPRESSED_R8G8B8A8 }; + + char path[512] = { 0 }; +#if defined(PLATFORM_ANDROID) + strcpy(path, CORE.Android.internalDataPath); + strcat(path, "/"); + strcat(path, fileName); +#else + strcpy(path, fileName); +#endif + + ExportImage(image, path); + RL_FREE(imgData); + +#if defined(PLATFORM_WEB) + // Download file from MEMFS (emscripten memory filesystem) + // saveFileFromMEMFSToDisk() function is defined in raylib/src/shell.html + emscripten_run_script(TextFormat("saveFileFromMEMFSToDisk('%s','%s')", GetFileName(path), GetFileName(path))); +#endif + + // TODO: Verification required for log + TRACELOG(LOG_INFO, "SYSTEM: [%s] Screenshot taken successfully", path); +} + +// Check if the file exists +bool FileExists(const char *fileName) +{ + bool result = false; + +#if defined(_WIN32) + if (_access(fileName, 0) != -1) result = true; +#else + if (access(fileName, F_OK) != -1) result = true; +#endif + + return result; +} + +// Check file extension +// NOTE: Extensions checking is not case-sensitive +bool IsFileExtension(const char *fileName, const char *ext) +{ + bool result = false; + const char *fileExt = GetExtension(fileName); + + if (fileExt != NULL) + { + int extCount = 0; + const char **checkExts = TextSplit(ext, ';', &extCount); + + char fileExtLower[16] = { 0 }; + strcpy(fileExtLower, TextToLower(fileExt)); + + for (int i = 0; i < extCount; i++) + { + if (TextIsEqual(fileExtLower, TextToLower(checkExts[i] + 1))) + { + result = true; + break; + } + } + } + + return result; +} + +// Check if a directory path exists +bool DirectoryExists(const char *dirPath) +{ + bool result = false; + DIR *dir = opendir(dirPath); + + if (dir != NULL) + { + result = true; + closedir(dir); + } + + return result; +} + +// Get pointer to extension for a filename string +const char *GetExtension(const char *fileName) +{ + const char *dot = strrchr(fileName, '.'); + + if (!dot || dot == fileName) return NULL; + + return (dot + 1); +} + +// String pointer reverse break: returns right-most occurrence of charset in s +static const char *strprbrk(const char *s, const char *charset) +{ + const char *latestMatch = NULL; + for (; s = strpbrk(s, charset), s != NULL; latestMatch = s++) { } + return latestMatch; +} + +// Get pointer to filename for a path string +const char *GetFileName(const char *filePath) +{ + const char *fileName = NULL; + if (filePath != NULL) fileName = strprbrk(filePath, "\\/"); + + if (!fileName || (fileName == filePath)) return filePath; + + return fileName + 1; +} + +// Get filename string without extension (uses static string) +const char *GetFileNameWithoutExt(const char *filePath) +{ + #define MAX_FILENAMEWITHOUTEXT_LENGTH 128 + + static char fileName[MAX_FILENAMEWITHOUTEXT_LENGTH]; + memset(fileName, 0, MAX_FILENAMEWITHOUTEXT_LENGTH); + + if (filePath != NULL) strcpy(fileName, GetFileName(filePath)); // Get filename with extension + + int len = strlen(fileName); + + for (int i = 0; (i < len) && (i < MAX_FILENAMEWITHOUTEXT_LENGTH); i++) + { + if (fileName[i] == '.') + { + // NOTE: We break on first '.' found + fileName[i] = '\0'; + break; + } + } + + return fileName; +} + +// Get directory for a given filePath +const char *GetDirectoryPath(const char *filePath) +{ +/* + // NOTE: Directory separator is different in Windows and other platforms, + // fortunately, Windows also support the '/' separator, that's the one should be used + #if defined(_WIN32) + char separator = '\\'; + #else + char separator = '/'; + #endif +*/ + const char *lastSlash = NULL; + static char dirPath[MAX_FILEPATH_LENGTH]; + memset(dirPath, 0, MAX_FILEPATH_LENGTH); + + // In case provided path does not contains a root drive letter (C:\, D:\), + // we add the current directory path to dirPath + if (filePath[1] != ':') + { + // For security, we set starting path to current directory, + // obtained path will be concated to this + dirPath[0] = '.'; + dirPath[1] = '/'; + } + + lastSlash = strprbrk(filePath, "\\/"); + if (lastSlash) + { + // NOTE: Be careful, strncpy() is not safe, it does not care about '\0' + strncpy(dirPath + ((filePath[1] != ':')? 2 : 0), filePath, strlen(filePath) - (strlen(lastSlash) - 1)); + dirPath[strlen(filePath) - strlen(lastSlash) + ((filePath[1] != ':')? 2 : 0)] = '\0'; // Add '\0' manually + } + + return dirPath; +} + +// Get previous directory path for a given path +const char *GetPrevDirectoryPath(const char *dirPath) +{ + static char prevDirPath[MAX_FILEPATH_LENGTH]; + memset(prevDirPath, 0, MAX_FILEPATH_LENGTH); + int pathLen = strlen(dirPath); + + if (pathLen <= 3) strcpy(prevDirPath, dirPath); + + for (int i = (pathLen - 1); (i > 0) && (pathLen > 3); i--) + { + if ((dirPath[i] == '\\') || (dirPath[i] == '/')) + { + if (i == 2) i++; // Check for root: "C:\" + strncpy(prevDirPath, dirPath, i); + break; + } + } + + return prevDirPath; +} + +// Get current working directory +const char *GetWorkingDirectory(void) +{ + static char currentDir[MAX_FILEPATH_LENGTH]; + memset(currentDir, 0, MAX_FILEPATH_LENGTH); + + GETCWD(currentDir, MAX_FILEPATH_LENGTH - 1); + + return currentDir; +} + +// Get filenames in a directory path (max 512 files) +// NOTE: Files count is returned by parameters pointer +char **GetDirectoryFiles(const char *dirPath, int *fileCount) +{ + #define MAX_DIRECTORY_FILES 512 + + ClearDirectoryFiles(); + + // Memory allocation for MAX_DIRECTORY_FILES + dirFilesPath = (char **)RL_MALLOC(sizeof(char *)*MAX_DIRECTORY_FILES); + for (int i = 0; i < MAX_DIRECTORY_FILES; i++) dirFilesPath[i] = (char *)RL_MALLOC(sizeof(char)*MAX_FILEPATH_LENGTH); + + int counter = 0; + struct dirent *entity; + DIR *dir = opendir(dirPath); + + if (dir != NULL) // It's a directory + { + // TODO: Reading could be done in two passes, + // first one to count files and second one to read names + // That way we can allocate required memory, instead of a limited pool + + while ((entity = readdir(dir)) != NULL) + { + strcpy(dirFilesPath[counter], entity->d_name); + counter++; + } + + closedir(dir); + } + else TRACELOG(LOG_WARNING, "FILEIO: Failed to open requested directory"); // Maybe it's a file... + + dirFilesCount = counter; + *fileCount = dirFilesCount; + + return dirFilesPath; +} + +// Clear directory files paths buffers +void ClearDirectoryFiles(void) +{ + if (dirFilesCount > 0) + { + for (int i = 0; i < MAX_DIRECTORY_FILES; i++) RL_FREE(dirFilesPath[i]); + + RL_FREE(dirFilesPath); + } + + dirFilesCount = 0; +} + +// Change working directory, returns true if success +bool ChangeDirectory(const char *dir) +{ + return (CHDIR(dir) == 0); +} + +// Check if a file has been dropped into window +bool IsFileDropped(void) +{ + if (CORE.Window.dropFilesCount > 0) return true; + else return false; +} + +// Get dropped files names +char **GetDroppedFiles(int *count) +{ + *count = CORE.Window.dropFilesCount; + return CORE.Window.dropFilesPath; +} + +// Clear dropped files paths buffer +void ClearDroppedFiles(void) +{ + if (CORE.Window.dropFilesCount > 0) + { + for (int i = 0; i < CORE.Window.dropFilesCount; i++) RL_FREE(CORE.Window.dropFilesPath[i]); + + RL_FREE(CORE.Window.dropFilesPath); + + CORE.Window.dropFilesCount = 0; + } +} + +// Get file modification time (last write time) +long GetFileModTime(const char *fileName) +{ + struct stat result = { 0 }; + + if (stat(fileName, &result) == 0) + { + time_t mod = result.st_mtime; + + return (long)mod; + } + + return 0; +} + +// Compress data (DEFLATE algorythm) +unsigned char *CompressData(unsigned char *data, int dataLength, int *compDataLength) +{ + #define COMPRESSION_QUALITY_DEFLATE 8 + + unsigned char *compData = NULL; + +#if defined(SUPPORT_COMPRESSION_API) + compData = stbi_zlib_compress(data, dataLength, compDataLength, COMPRESSION_QUALITY_DEFLATE); +#endif + + return compData; +} + +// Decompress data (DEFLATE algorythm) +unsigned char *DecompressData(unsigned char *compData, int compDataLength, int *dataLength) +{ + char *data = NULL; + +#if defined(SUPPORT_COMPRESSION_API) + data = stbi_zlib_decode_malloc((char *)compData, compDataLength, dataLength); +#endif + + return (unsigned char *)data; +} + +// Save integer value to storage file (to defined position) +// NOTE: Storage positions is directly related to file memory layout (4 bytes each integer) +void SaveStorageValue(unsigned int position, int value) +{ +#if defined(SUPPORT_DATA_STORAGE) + char path[512] = { 0 }; +#if defined(PLATFORM_ANDROID) + strcpy(path, CORE.Android.internalDataPath); + strcat(path, "/"); + strcat(path, STORAGE_DATA_FILE); +#else + strcpy(path, STORAGE_DATA_FILE); +#endif + + unsigned int dataSize = 0; + unsigned int newDataSize = 0; + unsigned char *fileData = LoadFileData(path, &dataSize); + unsigned char *newFileData = NULL; + + if (fileData != NULL) + { + if (dataSize <= (position*sizeof(int))) + { + // Increase data size up to position and store value + newDataSize = (position + 1)*sizeof(int); + newFileData = (unsigned char *)RL_REALLOC(fileData, newDataSize); + + if (newFileData != NULL) + { + // RL_REALLOC succeded + int *dataPtr = (int *)newFileData; + dataPtr[position] = value; + } + else + { + // RL_REALLOC failed + TRACELOG(LOG_WARNING, "FILEIO: [%s] Failed to realloc data (%u), position in bytes (%u) bigger than actual file size", path, dataSize, position*sizeof(int)); + + // We store the old size of the file + newFileData = fileData; + newDataSize = dataSize; + } + } + else + { + // Store the old size of the file + newFileData = fileData; + newDataSize = dataSize; + + // Replace value on selected position + int *dataPtr = (int *)newFileData; + dataPtr[position] = value; + } + + SaveFileData(path, newFileData, newDataSize); + RL_FREE(newFileData); + } + else + { + TRACELOG(LOG_INFO, "FILEIO: [%s] File not found, creating it", path); + + dataSize = (position + 1)*sizeof(int); + fileData = (unsigned char *)RL_MALLOC(dataSize); + int *dataPtr = (int *)fileData; + dataPtr[position] = value; + + SaveFileData(path, fileData, dataSize); + RL_FREE(fileData); + } +#endif +} + +// Load integer value from storage file (from defined position) +// NOTE: If requested position could not be found, value 0 is returned +int LoadStorageValue(unsigned int position) +{ + int value = 0; +#if defined(SUPPORT_DATA_STORAGE) + char path[512] = { 0 }; +#if defined(PLATFORM_ANDROID) + strcpy(path, CORE.Android.internalDataPath); + strcat(path, "/"); + strcat(path, STORAGE_DATA_FILE); +#else + strcpy(path, STORAGE_DATA_FILE); +#endif + + unsigned int dataSize = 0; + unsigned char *fileData = LoadFileData(path, &dataSize); + + if (fileData != NULL) + { + if (dataSize < (position*4)) TRACELOG(LOG_WARNING, "SYSTEM: Failed to find storage position"); + else + { + int *dataPtr = (int *)fileData; + value = dataPtr[position]; + } + + RL_FREE(fileData); + } +#endif + return value; +} + +// Open URL with default system browser (if available) +// NOTE: This function is only safe to use if you control the URL given. +// A user could craft a malicious string performing another action. +// Only call this function yourself not with user input or make sure to check the string yourself. +// CHECK: https://github.com/raysan5/raylib/issues/686 +void OpenURL(const char *url) +{ + // Small security check trying to avoid (partially) malicious code... + // sorry for the inconvenience when you hit this point... + if (strchr(url, '\'') != NULL) + { + TRACELOG(LOG_WARNING, "SYSTEM: Provided URL is not valid"); + } + else + { +#if defined(PLATFORM_DESKTOP) + char *cmd = (char *)RL_CALLOC(strlen(url) + 10, sizeof(char)); + #if defined(_WIN32) + sprintf(cmd, "explorer %s", url); + #elif defined(__linux__) + sprintf(cmd, "xdg-open '%s'", url); // Alternatives: firefox, x-www-browser + #elif defined(__APPLE__) + sprintf(cmd, "open '%s'", url); + #endif + system(cmd); + RL_FREE(cmd); +#endif +#if defined(PLATFORM_WEB) + emscripten_run_script(TextFormat("window.open('%s', '_blank')", url)); +#endif + } +} + +//---------------------------------------------------------------------------------- +// Module Functions Definition - Input (Keyboard, Mouse, Gamepad) Functions +//---------------------------------------------------------------------------------- +// Detect if a key has been pressed once +bool IsKeyPressed(int key) +{ + bool pressed = false; + + if ((CORE.Input.Keyboard.previousKeyState[key] == 0) && (CORE.Input.Keyboard.currentKeyState[key] == 1)) pressed = true; + else pressed = false; + + return pressed; +} + +// Detect if a key is being pressed (key held down) +bool IsKeyDown(int key) +{ + if (CORE.Input.Keyboard.currentKeyState[key] == 1) return true; + else return false; +} + +// Detect if a key has been released once +bool IsKeyReleased(int key) +{ + bool released = false; + + if ((CORE.Input.Keyboard.previousKeyState[key] == 1) && (CORE.Input.Keyboard.currentKeyState[key] == 0)) released = true; + else released = false; + + return released; +} + +// Detect if a key is NOT being pressed (key not held down) +bool IsKeyUp(int key) +{ + if (CORE.Input.Keyboard.currentKeyState[key] == 0) return true; + else return false; +} + +// Get the last key pressed +int GetKeyPressed(void) +{ + int value = 0; + + if (CORE.Input.Keyboard.keyPressedQueueCount > 0) + { + // Get character from the queue head + value = CORE.Input.Keyboard.keyPressedQueue[0]; + + // Shift elements 1 step toward the head. + for (int i = 0; i < (CORE.Input.Keyboard.keyPressedQueueCount - 1); i++) CORE.Input.Keyboard.keyPressedQueue[i] = CORE.Input.Keyboard.keyPressedQueue[i + 1]; + + // Reset last character in the queue + CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = 0; + CORE.Input.Keyboard.keyPressedQueueCount--; + } + + return value; +} + +// Set a custom key to exit program +// NOTE: default exitKey is ESCAPE +void SetExitKey(int key) +{ +#if !defined(PLATFORM_ANDROID) + CORE.Input.Keyboard.exitKey = key; +#endif +} + +// NOTE: Gamepad support not implemented in emscripten GLFW3 (PLATFORM_WEB) + +// Detect if a gamepad is available +bool IsGamepadAvailable(int gamepad) +{ + bool result = false; + +#if !defined(PLATFORM_ANDROID) + if ((gamepad < MAX_GAMEPADS) && CORE.Input.Gamepad.ready[gamepad]) result = true; +#endif + + return result; +} + +// Check gamepad name (if available) +bool IsGamepadName(int gamepad, const char *name) +{ + bool result = false; + +#if !defined(PLATFORM_ANDROID) + const char *currentName = NULL; + + if (CORE.Input.Gamepad.ready[gamepad]) currentName = GetGamepadName(gamepad); + if ((name != NULL) && (currentName != NULL)) result = (strcmp(name, currentName) == 0); +#endif + + return result; +} + +// Return gamepad internal name id +const char *GetGamepadName(int gamepad) +{ +#if defined(PLATFORM_DESKTOP) + if (CORE.Input.Gamepad.ready[gamepad]) return glfwGetJoystickName(gamepad); + else return NULL; +#elif defined(PLATFORM_RPI) + if (CORE.Input.Gamepad.ready[gamepad]) ioctl(CORE.Input.Gamepad.streamId[gamepad], JSIOCGNAME(64), &CORE.Input.Gamepad.name); + + return CORE.Input.Gamepad.name; +#else + return NULL; +#endif +} + +// Return gamepad axis count +int GetGamepadAxisCount(int gamepad) +{ +#if defined(PLATFORM_RPI) + int axisCount = 0; + if (CORE.Input.Gamepad.ready[gamepad]) ioctl(CORE.Input.Gamepad.streamId[gamepad], JSIOCGAXES, &axisCount); + CORE.Input.Gamepad.axisCount = axisCount; +#endif + return CORE.Input.Gamepad.axisCount; +} + +// Return axis movement vector for a gamepad +float GetGamepadAxisMovement(int gamepad, int axis) +{ + float value = 0; + +#if !defined(PLATFORM_ANDROID) + if ((gamepad < MAX_GAMEPADS) && CORE.Input.Gamepad.ready[gamepad] && (axis < MAX_GAMEPAD_AXIS)) value = CORE.Input.Gamepad.axisState[gamepad][axis]; +#endif + + return value; +} + +// Detect if a gamepad button has been pressed once +bool IsGamepadButtonPressed(int gamepad, int button) +{ + bool pressed = false; + +#if !defined(PLATFORM_ANDROID) + if ((gamepad < MAX_GAMEPADS) && CORE.Input.Gamepad.ready[gamepad] && (button < MAX_GAMEPAD_BUTTONS) && + (CORE.Input.Gamepad.currentState[gamepad][button] != CORE.Input.Gamepad.previousState[gamepad][button]) && + (CORE.Input.Gamepad.currentState[gamepad][button] == 1)) pressed = true; +#endif + + return pressed; +} + +// Detect if a gamepad button is being pressed +bool IsGamepadButtonDown(int gamepad, int button) +{ + bool result = false; + +#if !defined(PLATFORM_ANDROID) + if ((gamepad < MAX_GAMEPADS) && CORE.Input.Gamepad.ready[gamepad] && (button < MAX_GAMEPAD_BUTTONS) && + (CORE.Input.Gamepad.currentState[gamepad][button] == 1)) result = true; +#endif + + return result; +} + +// Detect if a gamepad button has NOT been pressed once +bool IsGamepadButtonReleased(int gamepad, int button) +{ + bool released = false; + +#if !defined(PLATFORM_ANDROID) + if ((gamepad < MAX_GAMEPADS) && CORE.Input.Gamepad.ready[gamepad] && (button < MAX_GAMEPAD_BUTTONS) && + (CORE.Input.Gamepad.currentState[gamepad][button] != CORE.Input.Gamepad.previousState[gamepad][button]) && + (CORE.Input.Gamepad.currentState[gamepad][button] == 0)) released = true; +#endif + + return released; +} + +// Detect if a mouse button is NOT being pressed +bool IsGamepadButtonUp(int gamepad, int button) +{ + bool result = false; + +#if !defined(PLATFORM_ANDROID) + if ((gamepad < MAX_GAMEPADS) && CORE.Input.Gamepad.ready[gamepad] && (button < MAX_GAMEPAD_BUTTONS) && + (CORE.Input.Gamepad.currentState[gamepad][button] == 0)) result = true; +#endif + + return result; +} + +// Get the last gamepad button pressed +int GetGamepadButtonPressed(void) +{ + return CORE.Input.Gamepad.lastButtonPressed; +} + +// Detect if a mouse button has been pressed once +bool IsMouseButtonPressed(int button) +{ + bool pressed = false; + + if ((CORE.Input.Mouse.currentButtonState[button] == 1) && (CORE.Input.Mouse.previousButtonState[button] == 0)) pressed = true; + + // Map touches to mouse buttons checking + if ((CORE.Input.Touch.currentTouchState[button] == 1) && (CORE.Input.Touch.previousTouchState[button] == 0)) pressed = true; + + return pressed; +} + +// Detect if a mouse button is being pressed +bool IsMouseButtonDown(int button) +{ + bool down = false; + + if (CORE.Input.Mouse.currentButtonState[button] == 1) down = true; + + // Map touches to mouse buttons checking + if (CORE.Input.Touch.currentTouchState[button] == 1) down = true; + + return down; +} + +// Detect if a mouse button has been released once +bool IsMouseButtonReleased(int button) +{ + bool released = false; + + if ((CORE.Input.Mouse.currentButtonState[button] == 0) && (CORE.Input.Mouse.previousButtonState[button] == 1)) released = true; + + // Map touches to mouse buttons checking + if ((CORE.Input.Touch.currentTouchState[button] == 0) && (CORE.Input.Touch.previousTouchState[button] == 1)) released = true; + + return released; +} + +// Detect if a mouse button is NOT being pressed +bool IsMouseButtonUp(int button) +{ + return !IsMouseButtonDown(button); +} + +// Returns mouse position X +int GetMouseX(void) +{ +#if defined(PLATFORM_ANDROID) + return (int)CORE.Input.Touch.position[0].x; +#else + return (int)((CORE.Input.Mouse.position.x + CORE.Input.Mouse.offset.x)*CORE.Input.Mouse.scale.x); +#endif +} + +// Returns mouse position Y +int GetMouseY(void) +{ +#if defined(PLATFORM_ANDROID) + return (int)CORE.Input.Touch.position[0].y; +#else + return (int)((CORE.Input.Mouse.position.y + CORE.Input.Mouse.offset.y)*CORE.Input.Mouse.scale.y); +#endif +} + +// Returns mouse position XY +Vector2 GetMousePosition(void) +{ + Vector2 position = { 0 }; + +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_WEB) + position = GetTouchPosition(0); +#else + position.x = (CORE.Input.Mouse.position.x + CORE.Input.Mouse.offset.x)*CORE.Input.Mouse.scale.x; + position.y = (CORE.Input.Mouse.position.y + CORE.Input.Mouse.offset.y)*CORE.Input.Mouse.scale.y; +#endif + + return position; +} + +// Set mouse position XY +void SetMousePosition(int x, int y) +{ + CORE.Input.Mouse.position = (Vector2){ (float)x, (float)y }; +#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) + // NOTE: emscripten not implemented + glfwSetCursorPos(CORE.Window.handle, CORE.Input.Mouse.position.x, CORE.Input.Mouse.position.y); +#endif +#if defined(PLATFORM_UWP) + UWPMessage *msg = CreateUWPMessage(); + msg->type = UWP_MSG_SET_MOUSE_LOCATION; + msg->paramVector0.x = CORE.Input.Mouse.position.x; + msg->paramVector0.y = CORE.Input.Mouse.position.y; + SendMessageToUWP(msg); +#endif +} + +// Set mouse offset +// NOTE: Useful when rendering to different size targets +void SetMouseOffset(int offsetX, int offsetY) +{ + CORE.Input.Mouse.offset = (Vector2){ (float)offsetX, (float)offsetY }; +} + +// Set mouse scaling +// NOTE: Useful when rendering to different size targets +void SetMouseScale(float scaleX, float scaleY) +{ + CORE.Input.Mouse.scale = (Vector2){ scaleX, scaleY }; +} + +// Returns mouse wheel movement Y +int GetMouseWheelMove(void) +{ +#if defined(PLATFORM_ANDROID) + return 0; +#elif defined(PLATFORM_WEB) + return CORE.Input.Mouse.previousWheelMove/100; +#else + return CORE.Input.Mouse.previousWheelMove; +#endif +} + +// Returns touch position X for touch point 0 (relative to screen size) +int GetTouchX(void) +{ +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_WEB) + return (int)CORE.Input.Touch.position[0].x; +#else // PLATFORM_DESKTOP, PLATFORM_RPI + return GetMouseX(); +#endif +} + +// Returns touch position Y for touch point 0 (relative to screen size) +int GetTouchY(void) +{ +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_WEB) + return (int)CORE.Input.Touch.position[0].y; +#else // PLATFORM_DESKTOP, PLATFORM_RPI + return GetMouseY(); +#endif +} + +// Returns touch position XY for a touch point index (relative to screen size) +// TODO: Touch position should be scaled depending on display size and render size +Vector2 GetTouchPosition(int index) +{ + Vector2 position = { -1.0f, -1.0f }; + +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_WEB) || defined(PLATFORM_RPI) + if (index < MAX_TOUCH_POINTS) position = CORE.Input.Touch.position[index]; + else TRACELOG(LOG_WARNING, "INPUT: Required touch point out of range (Max touch points: %i)", MAX_TOUCH_POINTS); + + #if defined(PLATFORM_ANDROID) + if ((CORE.Window.screen.width > CORE.Window.display.width) || (CORE.Window.screen.height > CORE.Window.display.height)) + { + position.x = position.x*((float)CORE.Window.screen.width/(float)(CORE.Window.display.width - CORE.Window.renderOffset.x)) - CORE.Window.renderOffset.x/2; + position.y = position.y*((float)CORE.Window.screen.height/(float)(CORE.Window.display.height - CORE.Window.renderOffset.y)) - CORE.Window.renderOffset.y/2; + } + else + { + position.x = position.x*((float)CORE.Window.render.width/(float)CORE.Window.display.width) - CORE.Window.renderOffset.x/2; + position.y = position.y*((float)CORE.Window.render.height/(float)CORE.Window.display.height) - CORE.Window.renderOffset.y/2; + } + #endif + +#elif defined(PLATFORM_DESKTOP) + // TODO: GLFW is not supporting multi-touch input just yet + // https://www.codeproject.com/Articles/668404/Programming-for-Multi-Touch + // https://docs.microsoft.com/en-us/windows/win32/wintouch/getting-started-with-multi-touch-messages + if (index == 0) position = GetMousePosition(); +#endif + + return position; +} + +//---------------------------------------------------------------------------------- +// Module specific Functions Definition +//---------------------------------------------------------------------------------- + +// Initialize display device and framebuffer +// NOTE: width and height represent the screen (framebuffer) desired size, not actual display size +// If width or height are 0, default display size will be used for framebuffer size +// NOTE: returns false in case graphic device could not be created +static bool InitGraphicsDevice(int width, int height) +{ + CORE.Window.screen.width = width; // User desired width + CORE.Window.screen.height = height; // User desired height + + CORE.Window.screenScale = MatrixIdentity(); // No draw scaling required by default + + // NOTE: Framebuffer (render area - CORE.Window.render.width, CORE.Window.render.height) could include black bars... + // ...in top-down or left-right to match display aspect ratio (no weird scalings) + +#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) + glfwSetErrorCallback(ErrorCallback); + +#if defined(__APPLE__) + glfwInitHint(GLFW_COCOA_CHDIR_RESOURCES, GLFW_FALSE); +#endif + + if (!glfwInit()) + { + TRACELOG(LOG_WARNING, "GLFW: Failed to initialize GLFW"); + return false; + } + + // NOTE: Getting video modes is not implemented in emscripten GLFW3 version +#if defined(PLATFORM_DESKTOP) + // Find monitor resolution + GLFWmonitor *monitor = glfwGetPrimaryMonitor(); + if (!monitor) + { + TRACELOG(LOG_WARNING, "GLFW: Failed to get primary monitor"); + return false; + } + const GLFWvidmode *mode = glfwGetVideoMode(monitor); + + CORE.Window.display.width = mode->width; + CORE.Window.display.height = mode->height; + + // Screen size security check + if (CORE.Window.screen.width <= 0) CORE.Window.screen.width = CORE.Window.display.width; + if (CORE.Window.screen.height <= 0) CORE.Window.screen.height = CORE.Window.display.height; +#endif // PLATFORM_DESKTOP + +#if defined(PLATFORM_WEB) + CORE.Window.display.width = CORE.Window.screen.width; + CORE.Window.display.height = CORE.Window.screen.height; +#endif // PLATFORM_WEB + + glfwDefaultWindowHints(); // Set default windows hints: + //glfwWindowHint(GLFW_RED_BITS, 8); // Framebuffer red color component bits + //glfwWindowHint(GLFW_GREEN_BITS, 8); // Framebuffer green color component bits + //glfwWindowHint(GLFW_BLUE_BITS, 8); // Framebuffer blue color component bits + //glfwWindowHint(GLFW_ALPHA_BITS, 8); // Framebuffer alpha color component bits + //glfwWindowHint(GLFW_DEPTH_BITS, 24); // Depthbuffer bits + //glfwWindowHint(GLFW_REFRESH_RATE, 0); // Refresh rate for fullscreen window + //glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_API); // OpenGL API to use. Alternative: GLFW_OPENGL_ES_API + //glfwWindowHint(GLFW_AUX_BUFFERS, 0); // Number of auxiliar buffers +#if defined(PLATFORM_DESKTOP) && defined(SUPPORT_HIGH_DPI) + // Resize window content area based on the monitor content scale. + // NOTE: This hint only has an effect on platforms where screen coordinates and pixels always map 1:1 such as Windows and X11. + // On platforms like macOS the resolution of the framebuffer is changed independently of the window size. + glfwWindowHint(GLFW_SCALE_TO_MONITOR, GLFW_TRUE); // Scale content area based on the monitor content scale where window is placed on +#endif + + // Check some Window creation flags + if (CORE.Window.flags & FLAG_WINDOW_HIDDEN) glfwWindowHint(GLFW_VISIBLE, GL_FALSE); // Visible window + else glfwWindowHint(GLFW_VISIBLE, GL_TRUE); // Window initially hidden + + if (CORE.Window.flags & FLAG_WINDOW_RESIZABLE) glfwWindowHint(GLFW_RESIZABLE, GL_TRUE); // Resizable window + else glfwWindowHint(GLFW_RESIZABLE, GL_FALSE); // Avoid window being resizable + + if (CORE.Window.flags & FLAG_WINDOW_UNDECORATED) glfwWindowHint(GLFW_DECORATED, GLFW_FALSE); // Border and buttons on Window + else glfwWindowHint(GLFW_DECORATED, GLFW_TRUE); // Decorated window + // FLAG_WINDOW_TRANSPARENT not supported on HTML5 and not included in any released GLFW version yet +#if defined(GLFW_TRANSPARENT_FRAMEBUFFER) + if (CORE.Window.flags & FLAG_WINDOW_TRANSPARENT) glfwWindowHint(GLFW_TRANSPARENT_FRAMEBUFFER, GLFW_TRUE); // Transparent framebuffer + else glfwWindowHint(GLFW_TRANSPARENT_FRAMEBUFFER, GLFW_FALSE); // Opaque framebuffer +#endif + + if (CORE.Window.flags & FLAG_MSAA_4X_HINT) glfwWindowHint(GLFW_SAMPLES, 4); // Tries to enable multisampling x4 (MSAA), default is 0 + + // NOTE: When asking for an OpenGL context version, most drivers provide highest supported version + // with forward compatibility to older OpenGL versions. + // For example, if using OpenGL 1.1, driver can provide a 4.3 context forward compatible. + + // Check selection OpenGL version + if (rlGetVersion() == OPENGL_21) + { + glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 2); // Choose OpenGL major version (just hint) + glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 1); // Choose OpenGL minor version (just hint) + } + else if (rlGetVersion() == OPENGL_33) + { + glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3); // Choose OpenGL major version (just hint) + glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3); // Choose OpenGL minor version (just hint) + glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE); // Profiles Hint: Only 3.3 and above! + // Values: GLFW_OPENGL_CORE_PROFILE, GLFW_OPENGL_ANY_PROFILE, GLFW_OPENGL_COMPAT_PROFILE +#if defined(__APPLE__) + glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GLFW_TRUE); // OSX Requires fordward compatibility +#else + glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GLFW_FALSE); // Fordward Compatibility Hint: Only 3.3 and above! +#endif + //glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GLFW_TRUE); // Request OpenGL DEBUG context + } + else if (rlGetVersion() == OPENGL_ES_20) // Request OpenGL ES 2.0 context + { + glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 2); + glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0); + glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_ES_API); +#if defined(PLATFORM_DESKTOP) + glfwWindowHint(GLFW_CONTEXT_CREATION_API, GLFW_EGL_CONTEXT_API); +#else + glfwWindowHint(GLFW_CONTEXT_CREATION_API, GLFW_NATIVE_CONTEXT_API); +#endif + } + + if (CORE.Window.fullscreen) + { + // remember center for switchinging from fullscreen to window + CORE.Window.position.x = CORE.Window.display.width/2 - CORE.Window.screen.width/2; + CORE.Window.position.y = CORE.Window.display.height/2 - CORE.Window.screen.height/2; + + if (CORE.Window.position.x < 0) CORE.Window.position.x = 0; + if (CORE.Window.position.y < 0) CORE.Window.position.y = 0; + + // Obtain recommended CORE.Window.display.width/CORE.Window.display.height from a valid videomode for the monitor + int count = 0; + const GLFWvidmode *modes = glfwGetVideoModes(glfwGetPrimaryMonitor(), &count); + + // Get closest video mode to desired CORE.Window.screen.width/CORE.Window.screen.height + for (int i = 0; i < count; i++) + { + if (modes[i].width >= CORE.Window.screen.width) + { + if (modes[i].height >= CORE.Window.screen.height) + { + CORE.Window.display.width = modes[i].width; + CORE.Window.display.height = modes[i].height; + break; + } + } + } + +#if defined(PLATFORM_DESKTOP) + // If we are windowed fullscreen, ensures that window does not minimize when focus is lost + if ((CORE.Window.screen.height == CORE.Window.display.height) && (CORE.Window.screen.width == CORE.Window.display.width)) + { + glfwWindowHint(GLFW_AUTO_ICONIFY, 0); + } +#endif + + TRACELOG(LOG_WARNING, "SYSTEM: Closest fullscreen videomode: %i x %i", CORE.Window.display.width, CORE.Window.display.height); + + // NOTE: ISSUE: Closest videomode could not match monitor aspect-ratio, for example, + // for a desired screen size of 800x450 (16:9), closest supported videomode is 800x600 (4:3), + // framebuffer is rendered correctly but once displayed on a 16:9 monitor, it gets stretched + // by the sides to fit all monitor space... + + // Try to setup the most appropiate fullscreen framebuffer for the requested screenWidth/screenHeight + // It considers device display resolution mode and setups a framebuffer with black bars if required (render size/offset) + // Modified global variables: CORE.Window.screen.width/CORE.Window.screen.height - CORE.Window.render.width/CORE.Window.render.height - CORE.Window.renderOffset.x/CORE.Window.renderOffset.y - CORE.Window.screenScale + // TODO: It is a quite cumbersome solution to display size vs requested size, it should be reviewed or removed... + // HighDPI monitors are properly considered in a following similar function: SetupViewport() + SetupFramebuffer(CORE.Window.display.width, CORE.Window.display.height); + + CORE.Window.handle = glfwCreateWindow(CORE.Window.display.width, CORE.Window.display.height, CORE.Window.title, glfwGetPrimaryMonitor(), NULL); + + // NOTE: Full-screen change, not working properly... + //glfwSetWindowMonitor(CORE.Window.handle, glfwGetPrimaryMonitor(), 0, 0, CORE.Window.screen.width, CORE.Window.screen.height, GLFW_DONT_CARE); + } + else + { + // No-fullscreen window creation + CORE.Window.handle = glfwCreateWindow(CORE.Window.screen.width, CORE.Window.screen.height, CORE.Window.title, NULL, NULL); + + if (CORE.Window.handle) + { +#if defined(PLATFORM_DESKTOP) + // Center window on screen + int windowPosX = CORE.Window.display.width/2 - CORE.Window.screen.width/2; + int windowPosY = CORE.Window.display.height/2 - CORE.Window.screen.height/2; + + if (windowPosX < 0) windowPosX = 0; + if (windowPosY < 0) windowPosY = 0; + + glfwSetWindowPos(CORE.Window.handle, windowPosX, windowPosY); +#endif + CORE.Window.render.width = CORE.Window.screen.width; + CORE.Window.render.height = CORE.Window.screen.height; + } + } + + if (!CORE.Window.handle) + { + glfwTerminate(); + TRACELOG(LOG_WARNING, "GLFW: Failed to initialize Window"); + return false; + } + else + { + TRACELOG(LOG_INFO, "DISPLAY: Device initialized successfully"); +#if defined(PLATFORM_DESKTOP) + TRACELOG(LOG_INFO, " > Display size: %i x %i", CORE.Window.display.width, CORE.Window.display.height); +#endif + TRACELOG(LOG_INFO, " > Render size: %i x %i", CORE.Window.render.width, CORE.Window.render.height); + TRACELOG(LOG_INFO, " > Screen size: %i x %i", CORE.Window.screen.width, CORE.Window.screen.height); + TRACELOG(LOG_INFO, " > Viewport offsets: %i, %i", CORE.Window.renderOffset.x, CORE.Window.renderOffset.y); + } + + glfwSetWindowSizeCallback(CORE.Window.handle, WindowSizeCallback); // NOTE: Resizing not allowed by default! + glfwSetCursorEnterCallback(CORE.Window.handle, CursorEnterCallback); + glfwSetKeyCallback(CORE.Window.handle, KeyCallback); + glfwSetMouseButtonCallback(CORE.Window.handle, MouseButtonCallback); + glfwSetCursorPosCallback(CORE.Window.handle, MouseCursorPosCallback); // Track mouse position changes + glfwSetCharCallback(CORE.Window.handle, CharCallback); + glfwSetScrollCallback(CORE.Window.handle, ScrollCallback); + glfwSetWindowIconifyCallback(CORE.Window.handle, WindowIconifyCallback); + glfwSetDropCallback(CORE.Window.handle, WindowDropCallback); + + glfwMakeContextCurrent(CORE.Window.handle); + +#if !defined(PLATFORM_WEB) + glfwSwapInterval(0); // No V-Sync by default +#endif + +#if defined(PLATFORM_DESKTOP) + // Load OpenGL 3.3 extensions + // NOTE: GLFW loader function is passed as parameter + rlLoadExtensions(glfwGetProcAddress); +#endif + + // Try to enable GPU V-Sync, so frames are limited to screen refresh rate (60Hz -> 60 FPS) + // NOTE: V-Sync can be enabled by graphic driver configuration + if (CORE.Window.flags & FLAG_VSYNC_HINT) + { + // WARNING: It seems to hits a critical render path in Intel HD Graphics + glfwSwapInterval(1); + TRACELOG(LOG_INFO, "DISPLAY: Trying to enable VSYNC"); + } +#endif // PLATFORM_DESKTOP || PLATFORM_WEB + +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_UWP) + CORE.Window.fullscreen = true; + + // Screen size security check + if (CORE.Window.screen.width <= 0) CORE.Window.screen.width = CORE.Window.display.width; + if (CORE.Window.screen.height <= 0) CORE.Window.screen.height = CORE.Window.display.height; + +#if defined(PLATFORM_RPI) + bcm_host_init(); + + DISPMANX_ELEMENT_HANDLE_T dispmanElement; + DISPMANX_DISPLAY_HANDLE_T dispmanDisplay; + DISPMANX_UPDATE_HANDLE_T dispmanUpdate; + + VC_RECT_T dstRect; + VC_RECT_T srcRect; +#endif + + EGLint samples = 0; + EGLint sampleBuffer = 0; + if (CORE.Window.flags & FLAG_MSAA_4X_HINT) + { + samples = 4; + sampleBuffer = 1; + TRACELOG(LOG_INFO, "DISPLAY: Trying to enable MSAA x4"); + } + + const EGLint framebufferAttribs[] = + { + EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, // Type of context support -> Required on RPI? + //EGL_SURFACE_TYPE, EGL_WINDOW_BIT, // Don't use it on Android! + EGL_RED_SIZE, 8, // RED color bit depth (alternative: 5) + EGL_GREEN_SIZE, 8, // GREEN color bit depth (alternative: 6) + EGL_BLUE_SIZE, 8, // BLUE color bit depth (alternative: 5) + //EGL_ALPHA_SIZE, 8, // ALPHA bit depth (required for transparent framebuffer) + //EGL_TRANSPARENT_TYPE, EGL_NONE, // Request transparent framebuffer (EGL_TRANSPARENT_RGB does not work on RPI) + EGL_DEPTH_SIZE, 16, // Depth buffer size (Required to use Depth testing!) + //EGL_STENCIL_SIZE, 8, // Stencil buffer size + EGL_SAMPLE_BUFFERS, sampleBuffer, // Activate MSAA + EGL_SAMPLES, samples, // 4x Antialiasing if activated (Free on MALI GPUs) + EGL_NONE + }; + + const EGLint contextAttribs[] = + { + EGL_CONTEXT_CLIENT_VERSION, 2, + EGL_NONE + }; + +#if defined(PLATFORM_UWP) + const EGLint surfaceAttributes[] = + { + // EGL_ANGLE_SURFACE_RENDER_TO_BACK_BUFFER is part of the same optimization as EGL_ANGLE_DISPLAY_ALLOW_RENDER_TO_BACK_BUFFER (see above). + // If you have compilation issues with it then please update your Visual Studio templates. + EGL_ANGLE_SURFACE_RENDER_TO_BACK_BUFFER, EGL_TRUE, + EGL_NONE + }; + + const EGLint defaultDisplayAttributes[] = + { + // These are the default display attributes, used to request ANGLE's D3D11 renderer. + // eglInitialize will only succeed with these attributes if the hardware supports D3D11 Feature Level 10_0+. + EGL_PLATFORM_ANGLE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE, + + // EGL_ANGLE_DISPLAY_ALLOW_RENDER_TO_BACK_BUFFER is an optimization that can have large performance benefits on mobile devices. + // Its syntax is subject to change, though. Please update your Visual Studio templates if you experience compilation issues with it. + EGL_ANGLE_DISPLAY_ALLOW_RENDER_TO_BACK_BUFFER, EGL_TRUE, + + // EGL_PLATFORM_ANGLE_ENABLE_AUTOMATIC_TRIM_ANGLE is an option that enables ANGLE to automatically call + // the IDXGIDevice3::Trim method on behalf of the application when it gets suspended. + // Calling IDXGIDevice3::Trim when an application is suspended is a Windows Store application certification requirement. + EGL_PLATFORM_ANGLE_ENABLE_AUTOMATIC_TRIM_ANGLE, EGL_TRUE, + EGL_NONE, + }; + + const EGLint fl9_3DisplayAttributes[] = + { + // These can be used to request ANGLE's D3D11 renderer, with D3D11 Feature Level 9_3. + // These attributes are used if the call to eglInitialize fails with the default display attributes. + EGL_PLATFORM_ANGLE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE, + EGL_PLATFORM_ANGLE_MAX_VERSION_MAJOR_ANGLE, 9, + EGL_PLATFORM_ANGLE_MAX_VERSION_MINOR_ANGLE, 3, + EGL_ANGLE_DISPLAY_ALLOW_RENDER_TO_BACK_BUFFER, EGL_TRUE, + EGL_PLATFORM_ANGLE_ENABLE_AUTOMATIC_TRIM_ANGLE, EGL_TRUE, + EGL_NONE, + }; + + const EGLint warpDisplayAttributes[] = + { + // These attributes can be used to request D3D11 WARP. + // They are used if eglInitialize fails with both the default display attributes and the 9_3 display attributes. + EGL_PLATFORM_ANGLE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE, + EGL_PLATFORM_ANGLE_DEVICE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_DEVICE_TYPE_WARP_ANGLE, + EGL_ANGLE_DISPLAY_ALLOW_RENDER_TO_BACK_BUFFER, EGL_TRUE, + EGL_PLATFORM_ANGLE_ENABLE_AUTOMATIC_TRIM_ANGLE, EGL_TRUE, + EGL_NONE, + }; + + // eglGetPlatformDisplayEXT is an alternative to eglGetDisplay. It allows us to pass in display attributes, used to configure D3D11. + PFNEGLGETPLATFORMDISPLAYEXTPROC eglGetPlatformDisplayEXT = (PFNEGLGETPLATFORMDISPLAYEXTPROC)(eglGetProcAddress("eglGetPlatformDisplayEXT")); + if (!eglGetPlatformDisplayEXT) + { + TRACELOG(LOG_WARNING, "DISPLAY: Failed to get function eglGetPlatformDisplayEXT"); + return false; + } + + // + // To initialize the display, we make three sets of calls to eglGetPlatformDisplayEXT and eglInitialize, with varying + // parameters passed to eglGetPlatformDisplayEXT: + // 1) The first calls uses "defaultDisplayAttributes" as a parameter. This corresponds to D3D11 Feature Level 10_0+. + // 2) If eglInitialize fails for step 1 (e.g. because 10_0+ isn't supported by the default GPU), then we try again + // using "fl9_3DisplayAttributes". This corresponds to D3D11 Feature Level 9_3. + // 3) If eglInitialize fails for step 2 (e.g. because 9_3+ isn't supported by the default GPU), then we try again + // using "warpDisplayAttributes". This corresponds to D3D11 Feature Level 11_0 on WARP, a D3D11 software rasterizer. + // + + // This tries to initialize EGL to D3D11 Feature Level 10_0+. See above comment for details. + CORE.Window.device = eglGetPlatformDisplayEXT(EGL_PLATFORM_ANGLE_ANGLE, EGL_DEFAULT_DISPLAY, defaultDisplayAttributes); + if (CORE.Window.device == EGL_NO_DISPLAY) + { + TRACELOG(LOG_WARNING, "DISPLAY: Failed to initialize EGL device"); + return false; + } + + if (eglInitialize(CORE.Window.device, NULL, NULL) == EGL_FALSE) + { + // This tries to initialize EGL to D3D11 Feature Level 9_3, if 10_0+ is unavailable (e.g. on some mobile devices). + CORE.Window.device = eglGetPlatformDisplayEXT(EGL_PLATFORM_ANGLE_ANGLE, EGL_DEFAULT_DISPLAY, fl9_3DisplayAttributes); + if (CORE.Window.device == EGL_NO_DISPLAY) + { + TRACELOG(LOG_WARNING, "DISPLAY: Failed to initialize EGL device"); + return false; + } + + if (eglInitialize(CORE.Window.device, NULL, NULL) == EGL_FALSE) + { + // This initializes EGL to D3D11 Feature Level 11_0 on WARP, if 9_3+ is unavailable on the default GPU. + CORE.Window.device = eglGetPlatformDisplayEXT(EGL_PLATFORM_ANGLE_ANGLE, EGL_DEFAULT_DISPLAY, warpDisplayAttributes); + if (CORE.Window.device == EGL_NO_DISPLAY) + { + TRACELOG(LOG_WARNING, "DISPLAY: Failed to initialize EGL device"); + return false; + } + + if (eglInitialize(CORE.Window.device, NULL, NULL) == EGL_FALSE) + { + // If all of the calls to eglInitialize returned EGL_FALSE then an error has occurred. + TRACELOG(LOG_WARNING, "DISPLAY: Failed to initialize EGL device"); + return false; + } + } + } + + EGLint numConfigs = 0; + if ((eglChooseConfig(CORE.Window.device, framebufferAttribs, &CORE.Window.config, 1, &numConfigs) == EGL_FALSE) || (numConfigs == 0)) + { + TRACELOG(LOG_WARNING, "DISPLAY: Failed to choose first EGL configuration"); + return false; + } + + // Create a PropertySet and initialize with the EGLNativeWindowType. + //PropertySet^ surfaceCreationProperties = ref new PropertySet(); + //surfaceCreationProperties->Insert(ref new String(EGLNativeWindowTypeProperty), window); // CoreWindow^ window + + // You can configure the surface to render at a lower resolution and be scaled up to + // the full window size. The scaling is often free on mobile hardware. + // + // One way to configure the SwapChainPanel is to specify precisely which resolution it should render at. + // Size customRenderSurfaceSize = Size(800, 600); + // surfaceCreationProperties->Insert(ref new String(EGLRenderSurfaceSizeProperty), PropertyValue::CreateSize(customRenderSurfaceSize)); + // + // Another way is to tell the SwapChainPanel to render at a certain scale factor compared to its size. + // e.g. if the SwapChainPanel is 1920x1280 then setting a factor of 0.5f will make the app render at 960x640 + // float customResolutionScale = 0.5f; + // surfaceCreationProperties->Insert(ref new String(EGLRenderResolutionScaleProperty), PropertyValue::CreateSingle(customResolutionScale)); + + + // eglCreateWindowSurface() requires a EGLNativeWindowType parameter, + // In Windows platform: typedef HWND EGLNativeWindowType; + + + // Property: EGLNativeWindowTypeProperty + // Type: IInspectable + // Description: Set this property to specify the window type to use for creating a surface. + // If this property is missing, surface creation will fail. + // + //const wchar_t EGLNativeWindowTypeProperty[] = L"EGLNativeWindowTypeProperty"; + + //https://stackoverflow.com/questions/46550182/how-to-create-eglsurface-using-c-winrt-and-angle + + //CORE.Window.surface = eglCreateWindowSurface(CORE.Window.device, CORE.Window.config, reinterpret_cast(surfaceCreationProperties), surfaceAttributes); + CORE.Window.surface = eglCreateWindowSurface(CORE.Window.device, CORE.Window.config, handle, surfaceAttributes); + if (CORE.Window.surface == EGL_NO_SURFACE) + { + TRACELOG(LOG_WARNING, "DISPLAY: Failed to create EGL fullscreen surface"); + return false; + } + + CORE.Window.context = eglCreateContext(CORE.Window.device, CORE.Window.config, EGL_NO_CONTEXT, contextAttribs); + if (CORE.Window.context == EGL_NO_CONTEXT) + { + TRACELOG(LOG_WARNING, "DISPLAY: Failed to create EGL context"); + return false; + } + + // Get EGL device window size + eglQuerySurface(CORE.Window.device, CORE.Window.surface, EGL_WIDTH, &CORE.Window.screen.width); + eglQuerySurface(CORE.Window.device, CORE.Window.surface, EGL_HEIGHT, &CORE.Window.screen.height); + +#else // PLATFORM_ANDROID, PLATFORM_RPI + EGLint numConfigs; + + // Get an EGL device connection + CORE.Window.device = eglGetDisplay(EGL_DEFAULT_DISPLAY); + if (CORE.Window.device == EGL_NO_DISPLAY) + { + TRACELOG(LOG_WARNING, "DISPLAY: Failed to initialize EGL device"); + return false; + } + + // Initialize the EGL device connection + if (eglInitialize(CORE.Window.device, NULL, NULL) == EGL_FALSE) + { + // If all of the calls to eglInitialize returned EGL_FALSE then an error has occurred. + TRACELOG(LOG_WARNING, "DISPLAY: Failed to initialize EGL device"); + return false; + } + + // Get an appropriate EGL framebuffer configuration + eglChooseConfig(CORE.Window.device, framebufferAttribs, &CORE.Window.config, 1, &numConfigs); + + // Set rendering API + eglBindAPI(EGL_OPENGL_ES_API); + + // Create an EGL rendering context + CORE.Window.context = eglCreateContext(CORE.Window.device, CORE.Window.config, EGL_NO_CONTEXT, contextAttribs); + if (CORE.Window.context == EGL_NO_CONTEXT) + { + TRACELOG(LOG_WARNING, "DISPLAY: Failed to create EGL context"); + return false; + } +#endif + + // Create an EGL window surface + //--------------------------------------------------------------------------------- +#if defined(PLATFORM_ANDROID) + EGLint displayFormat; + + // EGL_NATIVE_VISUAL_ID is an attribute of the EGLConfig that is guaranteed to be accepted by ANativeWindow_setBuffersGeometry() + // As soon as we picked a EGLConfig, we can safely reconfigure the ANativeWindow buffers to match, using EGL_NATIVE_VISUAL_ID + eglGetConfigAttrib(CORE.Window.device, CORE.Window.config, EGL_NATIVE_VISUAL_ID, &displayFormat); + + // At this point we need to manage render size vs screen size + // NOTE: This function use and modify global module variables: CORE.Window.screen.width/CORE.Window.screen.height and CORE.Window.render.width/CORE.Window.render.height and CORE.Window.screenScale + SetupFramebuffer(CORE.Window.display.width, CORE.Window.display.height); + + ANativeWindow_setBuffersGeometry(CORE.Android.app->window, CORE.Window.render.width, CORE.Window.render.height, displayFormat); + //ANativeWindow_setBuffersGeometry(CORE.Android.app->window, 0, 0, displayFormat); // Force use of native display size + + CORE.Window.surface = eglCreateWindowSurface(CORE.Window.device, CORE.Window.config, CORE.Android.app->window, NULL); +#endif // PLATFORM_ANDROID + +#if defined(PLATFORM_RPI) + graphics_get_display_size(0, &CORE.Window.display.width, &CORE.Window.display.height); + + // At this point we need to manage render size vs screen size + // NOTE: This function use and modify global module variables: CORE.Window.screen.width/CORE.Window.screen.height and CORE.Window.render.width/CORE.Window.render.height and CORE.Window.screenScale + SetupFramebuffer(CORE.Window.display.width, CORE.Window.display.height); + + dstRect.x = 0; + dstRect.y = 0; + dstRect.width = CORE.Window.display.width; + dstRect.height = CORE.Window.display.height; + + srcRect.x = 0; + srcRect.y = 0; + srcRect.width = CORE.Window.render.width << 16; + srcRect.height = CORE.Window.render.height << 16; + + // NOTE: RPI dispmanx windowing system takes care of srcRec scaling to dstRec by hardware (no cost) + // Take care that renderWidth/renderHeight fit on displayWidth/displayHeight aspect ratio + + VC_DISPMANX_ALPHA_T alpha; + alpha.flags = DISPMANX_FLAGS_ALPHA_FIXED_ALL_PIXELS; + //alpha.flags = DISPMANX_FLAGS_ALPHA_FROM_SOURCE; // TODO: Allow transparent framebuffer! -> FLAG_WINDOW_TRANSPARENT + alpha.opacity = 255; // Set transparency level for framebuffer, requires EGLAttrib: EGL_TRANSPARENT_TYPE + alpha.mask = 0; + + dispmanDisplay = vc_dispmanx_display_open(0); // LCD + dispmanUpdate = vc_dispmanx_update_start(0); + + dispmanElement = vc_dispmanx_element_add(dispmanUpdate, dispmanDisplay, 0/*layer*/, &dstRect, 0/*src*/, + &srcRect, DISPMANX_PROTECTION_NONE, &alpha, 0/*clamp*/, DISPMANX_NO_ROTATE); + + CORE.Window.handle.element = dispmanElement; + CORE.Window.handle.width = CORE.Window.render.width; + CORE.Window.handle.height = CORE.Window.render.height; + vc_dispmanx_update_submit_sync(dispmanUpdate); + + CORE.Window.surface = eglCreateWindowSurface(CORE.Window.device, CORE.Window.config, &CORE.Window.handle, NULL); + //--------------------------------------------------------------------------------- +#endif // PLATFORM_RPI + + // There must be at least one frame displayed before the buffers are swapped + //eglSwapInterval(CORE.Window.device, 1); + + if (eglMakeCurrent(CORE.Window.device, CORE.Window.surface, CORE.Window.surface, CORE.Window.context) == EGL_FALSE) + { + TRACELOG(LOG_WARNING, "DISPLAY: Failed to attach EGL rendering context to EGL surface"); + return false; + } + else + { + // Grab the width and height of the surface + //eglQuerySurface(CORE.Window.device, CORE.Window.surface, EGL_WIDTH, &CORE.Window.render.width); + //eglQuerySurface(CORE.Window.device, CORE.Window.surface, EGL_HEIGHT, &CORE.Window.render.height); + + TRACELOG(LOG_INFO, "DISPLAY: Device initialized successfully"); + TRACELOG(LOG_INFO, " > Display size: %i x %i", CORE.Window.display.width, CORE.Window.display.height); + TRACELOG(LOG_INFO, " > Render size: %i x %i", CORE.Window.render.width, CORE.Window.render.height); + TRACELOG(LOG_INFO, " > Screen size: %i x %i", CORE.Window.screen.width, CORE.Window.screen.height); + TRACELOG(LOG_INFO, " > Viewport offsets: %i, %i", CORE.Window.renderOffset.x, CORE.Window.renderOffset.y); + } +#endif // PLATFORM_ANDROID || PLATFORM_RPI + + // Initialize OpenGL context (states and resources) + // NOTE: CORE.Window.screen.width and CORE.Window.screen.height not used, just stored as globals in rlgl + rlglInit(CORE.Window.screen.width, CORE.Window.screen.height); + + int fbWidth = CORE.Window.render.width; + int fbHeight = CORE.Window.render.height; + +#if defined(PLATFORM_DESKTOP) && defined(SUPPORT_HIGH_DPI) + glfwGetFramebufferSize(CORE.Window.handle, &fbWidth, &fbHeight); + + // Screen scaling matrix is required in case desired screen area is different than display area + CORE.Window.screenScale = MatrixScale((float)fbWidth/CORE.Window.screen.width, (float)fbHeight/CORE.Window.screen.height, 1.0f); +#if !defined(__APPLE__) + SetMouseScale((float)CORE.Window.screen.width/fbWidth, (float)CORE.Window.screen.height/fbHeight); +#endif +#endif // PLATFORM_DESKTOP && SUPPORT_HIGH_DPI + + // Setup default viewport + SetupViewport(fbWidth, fbHeight); + + CORE.Window.currentFbo.width = CORE.Window.screen.width; + CORE.Window.currentFbo.height = CORE.Window.screen.height; + + ClearBackground(RAYWHITE); // Default background color for raylib games :P + +#if defined(PLATFORM_ANDROID) + CORE.Window.ready = true; +#endif + return true; +} + +// Set viewport for a provided width and height +static void SetupViewport(int width, int height) +{ + CORE.Window.render.width = width; + CORE.Window.render.height = height; + + // Set viewport width and height + // NOTE: We consider render size and offset in case black bars are required and + // render area does not match full display area (this situation is only applicable on fullscreen mode) + rlViewport(CORE.Window.renderOffset.x/2, CORE.Window.renderOffset.y/2, CORE.Window.render.width - CORE.Window.renderOffset.x, CORE.Window.render.height - CORE.Window.renderOffset.y); + + rlMatrixMode(RL_PROJECTION); // Switch to PROJECTION matrix + rlLoadIdentity(); // Reset current matrix (PROJECTION) + + // Set orthographic projection to current framebuffer size + // NOTE: Configured top-left corner as (0, 0) + rlOrtho(0, CORE.Window.render.width, CORE.Window.render.height, 0, 0.0f, 1.0f); + + rlMatrixMode(RL_MODELVIEW); // Switch back to MODELVIEW matrix + rlLoadIdentity(); // Reset current matrix (MODELVIEW) +} + +// Compute framebuffer size relative to screen size and display size +// NOTE: Global variables CORE.Window.render.width/CORE.Window.render.height and CORE.Window.renderOffset.x/CORE.Window.renderOffset.y can be modified +static void SetupFramebuffer(int width, int height) +{ + // Calculate CORE.Window.render.width and CORE.Window.render.height, we have the display size (input params) and the desired screen size (global var) + if ((CORE.Window.screen.width > CORE.Window.display.width) || (CORE.Window.screen.height > CORE.Window.display.height)) + { + TRACELOG(LOG_WARNING, "DISPLAY: Downscaling required: Screen size (%ix%i) is bigger than display size (%ix%i)", CORE.Window.screen.width, CORE.Window.screen.height, CORE.Window.display.width, CORE.Window.display.height); + + // Downscaling to fit display with border-bars + float widthRatio = (float)CORE.Window.display.width/(float)CORE.Window.screen.width; + float heightRatio = (float)CORE.Window.display.height/(float)CORE.Window.screen.height; + + if (widthRatio <= heightRatio) + { + CORE.Window.render.width = CORE.Window.display.width; + CORE.Window.render.height = (int)round((float)CORE.Window.screen.height*widthRatio); + CORE.Window.renderOffset.x = 0; + CORE.Window.renderOffset.y = (CORE.Window.display.height - CORE.Window.render.height); + } + else + { + CORE.Window.render.width = (int)round((float)CORE.Window.screen.width*heightRatio); + CORE.Window.render.height = CORE.Window.display.height; + CORE.Window.renderOffset.x = (CORE.Window.display.width - CORE.Window.render.width); + CORE.Window.renderOffset.y = 0; + } + + // Screen scaling required + float scaleRatio = (float)CORE.Window.render.width/(float)CORE.Window.screen.width; + CORE.Window.screenScale = MatrixScale(scaleRatio, scaleRatio, 1.0f); + + // NOTE: We render to full display resolution! + // We just need to calculate above parameters for downscale matrix and offsets + CORE.Window.render.width = CORE.Window.display.width; + CORE.Window.render.height = CORE.Window.display.height; + + TRACELOG(LOG_WARNING, "DISPLAY: Downscale matrix generated, content will be rendered at (%ix%i)", CORE.Window.render.width, CORE.Window.render.height); + } + else if ((CORE.Window.screen.width < CORE.Window.display.width) || (CORE.Window.screen.height < CORE.Window.display.height)) + { + // Required screen size is smaller than display size + TRACELOG(LOG_INFO, "DISPLAY: Upscaling required: Screen size (%ix%i) smaller than display size (%ix%i)", CORE.Window.screen.width, CORE.Window.screen.height, CORE.Window.display.width, CORE.Window.display.height); + + // Upscaling to fit display with border-bars + float displayRatio = (float)CORE.Window.display.width/(float)CORE.Window.display.height; + float screenRatio = (float)CORE.Window.screen.width/(float)CORE.Window.screen.height; + + if (displayRatio <= screenRatio) + { + CORE.Window.render.width = CORE.Window.screen.width; + CORE.Window.render.height = (int)round((float)CORE.Window.screen.width/displayRatio); + CORE.Window.renderOffset.x = 0; + CORE.Window.renderOffset.y = (CORE.Window.render.height - CORE.Window.screen.height); + } + else + { + CORE.Window.render.width = (int)round((float)CORE.Window.screen.height*displayRatio); + CORE.Window.render.height = CORE.Window.screen.height; + CORE.Window.renderOffset.x = (CORE.Window.render.width - CORE.Window.screen.width); + CORE.Window.renderOffset.y = 0; + } + } + else + { + CORE.Window.render.width = CORE.Window.screen.width; + CORE.Window.render.height = CORE.Window.screen.height; + CORE.Window.renderOffset.x = 0; + CORE.Window.renderOffset.y = 0; + } +} + +// Initialize hi-resolution timer +static void InitTimer(void) +{ + srand((unsigned int)time(NULL)); // Initialize random seed + +#if !defined(SUPPORT_BUSY_WAIT_LOOP) && defined(_WIN32) + timeBeginPeriod(1); // Setup high-resolution timer to 1ms (granularity of 1-2 ms) +#endif + +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) + struct timespec now; + + if (clock_gettime(CLOCK_MONOTONIC, &now) == 0) // Success + { + CORE.Time.base = (unsigned long long int)now.tv_sec*1000000000LLU + (unsigned long long int)now.tv_nsec; + } + else TRACELOG(LOG_WARNING, "TIMER: Hi-resolution timer not available"); +#endif + + CORE.Time.previous = GetTime(); // Get time as double +} + +// Wait for some milliseconds (stop program execution) +// NOTE: Sleep() granularity could be around 10 ms, it means, Sleep() could +// take longer than expected... for that reason we use the busy wait loop +// Ref: http://stackoverflow.com/questions/43057578/c-programming-win32-games-sleep-taking-longer-than-expected +// Ref: http://www.geisswerks.com/ryan/FAQS/timing.html --> All about timming on Win32! +static void Wait(float ms) +{ +#if defined(SUPPORT_BUSY_WAIT_LOOP) && !defined(PLATFORM_UWP) + double prevTime = GetTime(); + double nextTime = 0.0; + + // Busy wait loop + while ((nextTime - prevTime) < ms/1000.0f) nextTime = GetTime(); +#else + #if defined(SUPPORT_HALFBUSY_WAIT_LOOP) + #define MAX_HALFBUSY_WAIT_TIME 4 + double destTime = GetTime() + ms/1000; + if (ms > MAX_HALFBUSY_WAIT_TIME) ms -= MAX_HALFBUSY_WAIT_TIME; + #endif + + #if defined(_WIN32) + Sleep((unsigned int)ms); + #elif defined(__linux__) || defined(PLATFORM_WEB) + struct timespec req = { 0 }; + time_t sec = (int)(ms/1000.0f); + ms -= (sec*1000); + req.tv_sec = sec; + req.tv_nsec = ms*1000000L; + + // NOTE: Use nanosleep() on Unix platforms... usleep() it's deprecated. + while (nanosleep(&req, &req) == -1) continue; + #elif defined(__APPLE__) + usleep(ms*1000.0f); + #endif + + #if defined(SUPPORT_HALFBUSY_WAIT_LOOP) + while (GetTime() < destTime) { } + #endif +#endif +} + +// Get gamepad button generic to all platforms +static int GetGamepadButton(int button) +{ + int btn = GAMEPAD_BUTTON_UNKNOWN; +#if defined(PLATFORM_DESKTOP) + switch (button) + { + case GLFW_GAMEPAD_BUTTON_Y: btn = GAMEPAD_BUTTON_RIGHT_FACE_UP; break; + case GLFW_GAMEPAD_BUTTON_B: btn = GAMEPAD_BUTTON_RIGHT_FACE_RIGHT; break; + case GLFW_GAMEPAD_BUTTON_A: btn = GAMEPAD_BUTTON_RIGHT_FACE_DOWN; break; + case GLFW_GAMEPAD_BUTTON_X: btn = GAMEPAD_BUTTON_RIGHT_FACE_LEFT; break; + + case GLFW_GAMEPAD_BUTTON_LEFT_BUMPER: btn = GAMEPAD_BUTTON_LEFT_TRIGGER_1; break; + case GLFW_GAMEPAD_BUTTON_RIGHT_BUMPER: btn = GAMEPAD_BUTTON_RIGHT_TRIGGER_1; break; + + case GLFW_GAMEPAD_BUTTON_BACK: btn = GAMEPAD_BUTTON_MIDDLE_LEFT; break; + case GLFW_GAMEPAD_BUTTON_GUIDE: btn = GAMEPAD_BUTTON_MIDDLE; break; + case GLFW_GAMEPAD_BUTTON_START: btn = GAMEPAD_BUTTON_MIDDLE_RIGHT; break; + + case GLFW_GAMEPAD_BUTTON_DPAD_UP: btn = GAMEPAD_BUTTON_LEFT_FACE_UP; break; + case GLFW_GAMEPAD_BUTTON_DPAD_RIGHT: btn = GAMEPAD_BUTTON_LEFT_FACE_RIGHT; break; + case GLFW_GAMEPAD_BUTTON_DPAD_DOWN: btn = GAMEPAD_BUTTON_LEFT_FACE_DOWN; break; + case GLFW_GAMEPAD_BUTTON_DPAD_LEFT: btn = GAMEPAD_BUTTON_LEFT_FACE_LEFT; break; + + case GLFW_GAMEPAD_BUTTON_LEFT_THUMB: btn = GAMEPAD_BUTTON_LEFT_THUMB; break; + case GLFW_GAMEPAD_BUTTON_RIGHT_THUMB: btn = GAMEPAD_BUTTON_RIGHT_THUMB; break; + } +#endif + +#if defined(PLATFORM_UWP) + btn = button; // UWP will provide the correct button +#endif + +#if defined(PLATFORM_WEB) + // Gamepad Buttons reference: https://www.w3.org/TR/gamepad/#gamepad-interface + switch (button) + { + case 0: btn = GAMEPAD_BUTTON_RIGHT_FACE_DOWN; break; + case 1: btn = GAMEPAD_BUTTON_RIGHT_FACE_RIGHT; break; + case 2: btn = GAMEPAD_BUTTON_RIGHT_FACE_LEFT; break; + case 3: btn = GAMEPAD_BUTTON_RIGHT_FACE_UP; break; + case 4: btn = GAMEPAD_BUTTON_LEFT_TRIGGER_1; break; + case 5: btn = GAMEPAD_BUTTON_RIGHT_TRIGGER_1; break; + case 6: btn = GAMEPAD_BUTTON_LEFT_TRIGGER_2; break; + case 7: btn = GAMEPAD_BUTTON_RIGHT_TRIGGER_2; break; + case 8: btn = GAMEPAD_BUTTON_MIDDLE_LEFT; break; + case 9: btn = GAMEPAD_BUTTON_MIDDLE_RIGHT; break; + case 10: btn = GAMEPAD_BUTTON_LEFT_THUMB; break; + case 11: btn = GAMEPAD_BUTTON_RIGHT_THUMB; break; + case 12: btn = GAMEPAD_BUTTON_LEFT_FACE_UP; break; + case 13: btn = GAMEPAD_BUTTON_LEFT_FACE_DOWN; break; + case 14: btn = GAMEPAD_BUTTON_LEFT_FACE_LEFT; break; + case 15: btn = GAMEPAD_BUTTON_LEFT_FACE_RIGHT; break; + } +#endif + + return btn; +} + +// Get gamepad axis generic to all platforms +static int GetGamepadAxis(int axis) +{ + int axs = GAMEPAD_AXIS_UNKNOWN; +#if defined(PLATFORM_DESKTOP) + switch (axis) + { + case GLFW_GAMEPAD_AXIS_LEFT_X: axs = GAMEPAD_AXIS_LEFT_X; break; + case GLFW_GAMEPAD_AXIS_LEFT_Y: axs = GAMEPAD_AXIS_LEFT_Y; break; + case GLFW_GAMEPAD_AXIS_RIGHT_X: axs = GAMEPAD_AXIS_RIGHT_X; break; + case GLFW_GAMEPAD_AXIS_RIGHT_Y: axs = GAMEPAD_AXIS_RIGHT_Y; break; + case GLFW_GAMEPAD_AXIS_LEFT_TRIGGER: axs = GAMEPAD_AXIS_LEFT_TRIGGER; break; + case GLFW_GAMEPAD_AXIS_RIGHT_TRIGGER: axs = GAMEPAD_AXIS_RIGHT_TRIGGER; break; + } +#endif + +#if defined(PLATFORM_UWP) + axs = axis; // UWP will provide the correct axis +#endif + +#if defined(PLATFORM_WEB) + // Gamepad axis reference:https://www.w3.org/TR/gamepad/#gamepad-interface + switch (axis) + { + case 0: axs = GAMEPAD_AXIS_LEFT_X; + case 1: axs = GAMEPAD_AXIS_LEFT_Y; + case 2: axs = GAMEPAD_AXIS_RIGHT_X; + case 3: axs = GAMEPAD_AXIS_RIGHT_X; + } +#endif + + return axs; +} + +// Poll (store) all input events +static void PollInputEvents(void) +{ +#if defined(SUPPORT_GESTURES_SYSTEM) + // NOTE: Gestures update must be called every frame to reset gestures correctly + // because ProcessGestureEvent() is just called on an event, not every frame + UpdateGestures(); +#endif + + // Reset key pressed registered + CORE.Input.Keyboard.keyPressedQueueCount = 0; + +#if !defined(PLATFORM_RPI) + // Reset last gamepad button/axis registered state + CORE.Input.Gamepad.lastButtonPressed = -1; + CORE.Input.Gamepad.axisCount = 0; +#endif + +#if defined(PLATFORM_RPI) + // Register previous keys states + for (int i = 0; i < 512; i++) CORE.Input.Keyboard.previousKeyState[i] = CORE.Input.Keyboard.currentKeyState[i]; + + // Grab a keypress from the evdev fifo if avalable + if (CORE.Input.Keyboard.lastKeyPressed.head != CORE.Input.Keyboard.lastKeyPressed.tail) + { + CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = CORE.Input.Keyboard.lastKeyPressed.contents[CORE.Input.Keyboard.lastKeyPressed.tail]; // Read the key from the buffer + CORE.Input.Keyboard.keyPressedQueueCount++; + + CORE.Input.Keyboard.lastKeyPressed.tail = (CORE.Input.Keyboard.lastKeyPressed.tail + 1) & 0x07; // Increment the tail pointer forwards and binary wraparound after 7 (fifo is 8 elements long) + } + + // Register previous mouse states + CORE.Input.Mouse.previousWheelMove = CORE.Input.Mouse.currentWheelMove; + CORE.Input.Mouse.currentWheelMove = 0; + for (int i = 0; i < 3; i++) + { + CORE.Input.Mouse.previousButtonState[i] = CORE.Input.Mouse.currentButtonState[i]; + CORE.Input.Mouse.currentButtonState[i] = CORE.Input.Mouse.currentButtonStateEvdev[i]; + } +#endif + +#if defined(PLATFORM_UWP) + // Register previous keys states + for (int i = 0; i < 512; i++) CORE.Input.Keyboard.previousKeyState[i] = CORE.Input.Keyboard.currentKeyState[i]; + + for (int i = 0; i < MAX_GAMEPADS; i++) + { + if (CORE.Input.Gamepad.ready[i]) + { + for (int k = 0; k < MAX_GAMEPAD_BUTTONS; k++) CORE.Input.Gamepad.previousState[i][k] = CORE.Input.Gamepad.currentState[i][k]; + } + } + + // Register previous mouse states + CORE.Input.Mouse.previousWheelMove = CORE.Input.Mouse.currentWheelMove; + CORE.Input.Mouse.currentWheelMove = 0; + + for (int i = 0; i < 3; i++) CORE.Input.Mouse.previousButtonState[i] = CORE.Input.Mouse.currentButtonState[i]; + + // Loop over pending messages + while (HasMessageFromUWP()) + { + UWPMessage *msg = GetMessageFromUWP(); + + switch (msg->type) + { + case UWP_MSG_REGISTER_KEY: + { + // Convert from virtualKey + int actualKey = -1; + + switch (msg->paramInt0) + { + case 0x08: actualKey = KEY_BACKSPACE; break; + case 0x20: actualKey = KEY_SPACE; break; + case 0x1B: actualKey = KEY_ESCAPE; break; + case 0x0D: actualKey = KEY_ENTER; break; + case 0x2E: actualKey = KEY_DELETE; break; + case 0x27: actualKey = KEY_RIGHT; break; + case 0x25: actualKey = KEY_LEFT; break; + case 0x28: actualKey = KEY_DOWN; break; + case 0x26: actualKey = KEY_UP; break; + case 0x70: actualKey = KEY_F1; break; + case 0x71: actualKey = KEY_F2; break; + case 0x72: actualKey = KEY_F3; break; + case 0x73: actualKey = KEY_F4; break; + case 0x74: actualKey = KEY_F5; break; + case 0x75: actualKey = KEY_F6; break; + case 0x76: actualKey = KEY_F7; break; + case 0x77: actualKey = KEY_F8; break; + case 0x78: actualKey = KEY_F9; break; + case 0x79: actualKey = KEY_F10; break; + case 0x7A: actualKey = KEY_F11; break; + case 0x7B: actualKey = KEY_F12; break; + case 0xA0: actualKey = KEY_LEFT_SHIFT; break; + case 0xA2: actualKey = KEY_LEFT_CONTROL; break; + case 0xA4: actualKey = KEY_LEFT_ALT; break; + case 0xA1: actualKey = KEY_RIGHT_SHIFT; break; + case 0xA3: actualKey = KEY_RIGHT_CONTROL; break; + case 0xA5: actualKey = KEY_RIGHT_ALT; break; + case 0x30: actualKey = KEY_ZERO; break; + case 0x31: actualKey = KEY_ONE; break; + case 0x32: actualKey = KEY_TWO; break; + case 0x33: actualKey = KEY_THREE; break; + case 0x34: actualKey = KEY_FOUR; break; + case 0x35: actualKey = KEY_FIVE; break; + case 0x36: actualKey = KEY_SIX; break; + case 0x37: actualKey = KEY_SEVEN; break; + case 0x38: actualKey = KEY_EIGHT; break; + case 0x39: actualKey = KEY_NINE; break; + case 0x41: actualKey = KEY_A; break; + case 0x42: actualKey = KEY_B; break; + case 0x43: actualKey = KEY_C; break; + case 0x44: actualKey = KEY_D; break; + case 0x45: actualKey = KEY_E; break; + case 0x46: actualKey = KEY_F; break; + case 0x47: actualKey = KEY_G; break; + case 0x48: actualKey = KEY_H; break; + case 0x49: actualKey = KEY_I; break; + case 0x4A: actualKey = KEY_J; break; + case 0x4B: actualKey = KEY_K; break; + case 0x4C: actualKey = KEY_L; break; + case 0x4D: actualKey = KEY_M; break; + case 0x4E: actualKey = KEY_N; break; + case 0x4F: actualKey = KEY_O; break; + case 0x50: actualKey = KEY_P; break; + case 0x51: actualKey = KEY_Q; break; + case 0x52: actualKey = KEY_R; break; + case 0x53: actualKey = KEY_S; break; + case 0x54: actualKey = KEY_T; break; + case 0x55: actualKey = KEY_U; break; + case 0x56: actualKey = KEY_V; break; + case 0x57: actualKey = KEY_W; break; + case 0x58: actualKey = KEY_X; break; + case 0x59: actualKey = KEY_Y; break; + case 0x5A: actualKey = KEY_Z; break; + default: break; + } + + if (actualKey > -1) CORE.Input.Keyboard.currentKeyState[actualKey] = msg->paramChar0; + + } break; + case UWP_MSG_REGISTER_CLICK: CORE.Input.Mouse.currentButtonState[msg->paramInt0] = msg->paramChar0; break; + case UWP_MSG_SCROLL_WHEEL_UPDATE: CORE.Input.Mouse.currentWheelMove += msg->paramInt0; break; + case UWP_MSG_UPDATE_MOUSE_LOCATION: CORE.Input.Mouse.position = msg->paramVector0; break; + case UWP_MSG_SET_GAMEPAD_ACTIVE: if (msg->paramInt0 < MAX_GAMEPADS) CORE.Input.Gamepad.ready[msg->paramInt0] = msg->paramBool0; break; + case UWP_MSG_SET_GAMEPAD_BUTTON: + { + if ((msg->paramInt0 < MAX_GAMEPADS) && (msg->paramInt1 < MAX_GAMEPAD_BUTTONS)) CORE.Input.Gamepad.currentState[msg->paramInt0][msg->paramInt1] = msg->paramChar0; + } break; + case UWP_MSG_SET_GAMEPAD_AXIS: + { + if ((msg->paramInt0 < MAX_GAMEPADS) && (msg->paramInt1 < MAX_GAMEPAD_AXIS)) CORE.Input.Gamepad.axisState[msg->paramInt0][msg->paramInt1] = msg->paramFloat0; + + // Register buttons for 2nd triggers + CORE.Input.Gamepad.currentState[msg->paramInt0][GAMEPAD_BUTTON_LEFT_TRIGGER_2] = (char)(CORE.Input.Gamepad.axisState[msg->paramInt0][GAMEPAD_AXIS_LEFT_TRIGGER] > 0.1); + CORE.Input.Gamepad.currentState[msg->paramInt0][GAMEPAD_BUTTON_RIGHT_TRIGGER_2] = (char)(CORE.Input.Gamepad.axisState[msg->paramInt0][GAMEPAD_AXIS_RIGHT_TRIGGER] > 0.1); + } break; + case UWP_MSG_SET_DISPLAY_DIMS: + { + CORE.Window.display.width = msg->paramVector0.x; + CORE.Window.display.height = msg->paramVector0.y; + } break; + case UWP_MSG_HANDLE_RESIZE: + { + eglQuerySurface(CORE.Window.device, CORE.Window.surface, EGL_WIDTH, &CORE.Window.screen.width); + eglQuerySurface(CORE.Window.device, CORE.Window.surface, EGL_HEIGHT, &CORE.Window.screen.height); + + // If window is resized, viewport and projection matrix needs to be re-calculated + rlViewport(0, 0, CORE.Window.screen.width, CORE.Window.screen.height); // Set viewport width and height + rlMatrixMode(RL_PROJECTION); // Switch to PROJECTION matrix + rlLoadIdentity(); // Reset current matrix (PROJECTION) + rlOrtho(0, CORE.Window.screen.width, CORE.Window.screen.height, 0, 0.0f, 1.0f); // Orthographic projection mode with top-left corner at (0,0) + rlMatrixMode(RL_MODELVIEW); // Switch back to MODELVIEW matrix + rlLoadIdentity(); // Reset current matrix (MODELVIEW) + rlClearScreenBuffers(); // Clear screen buffers (color and depth) + + // Window size must be updated to be used on 3D mode to get new aspect ratio (BeginMode3D()) + // NOTE: Be careful! GLFW3 will choose the closest fullscreen resolution supported by current monitor, + // for example, if reescaling back to 800x450 (desired), it could set 720x480 (closest fullscreen supported) + CORE.Window.currentFbo.width = CORE.Window.screen.width; + CORE.Window.currentFbo.height = CORE.Window.screen.height; + + // NOTE: Postprocessing texture is not scaled to new size + + CORE.Window.resized = true; + + } break; + case UWP_MSG_SET_GAME_TIME: CORE.Time.current = msg->paramDouble0; break; + default: break; + } + + DeleteUWPMessage(msg); //Delete, we are done + } +#endif // PLATFORM_UWP + +#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) + // Keyboard/Mouse input polling (automatically managed by GLFW3 through callback) + + // Register previous keys states + for (int i = 0; i < 512; i++) CORE.Input.Keyboard.previousKeyState[i] = CORE.Input.Keyboard.currentKeyState[i]; + + // Register previous mouse states + for (int i = 0; i < 3; i++) CORE.Input.Mouse.previousButtonState[i] = CORE.Input.Mouse.currentButtonState[i]; + + // Register previous mouse wheel state + CORE.Input.Mouse.previousWheelMove = CORE.Input.Mouse.currentWheelMove; + CORE.Input.Mouse.currentWheelMove = 0; +#endif + + // Register previous touch states + for (int i = 0; i < MAX_TOUCH_POINTS; i++) CORE.Input.Touch.previousTouchState[i] = CORE.Input.Touch.currentTouchState[i]; + +#if defined(PLATFORM_DESKTOP) + // Check if gamepads are ready + // NOTE: We do it here in case of disconnection + for (int i = 0; i < MAX_GAMEPADS; i++) + { + if (glfwJoystickPresent(i)) CORE.Input.Gamepad.ready[i] = true; + else CORE.Input.Gamepad.ready[i] = false; + } + + // Register gamepads buttons events + for (int i = 0; i < MAX_GAMEPADS; i++) + { + if (CORE.Input.Gamepad.ready[i]) // Check if gamepad is available + { + // Register previous gamepad states + for (int k = 0; k < MAX_GAMEPAD_BUTTONS; k++) CORE.Input.Gamepad.previousState[i][k] = CORE.Input.Gamepad.currentState[i][k]; + + // Get current gamepad state + // NOTE: There is no callback available, so we get it manually + // Get remapped buttons + GLFWgamepadstate state; + glfwGetGamepadState(i, &state); // This remapps all gamepads so they have their buttons mapped like an xbox controller + const unsigned char *buttons = state.buttons; + + for (int k = 0; (buttons != NULL) && (k < GLFW_GAMEPAD_BUTTON_DPAD_LEFT + 1) && (k < MAX_GAMEPAD_BUTTONS); k++) + { + const GamepadButton button = GetGamepadButton(k); + + if (buttons[k] == GLFW_PRESS) + { + CORE.Input.Gamepad.currentState[i][button] = 1; + CORE.Input.Gamepad.lastButtonPressed = button; + } + else CORE.Input.Gamepad.currentState[i][button] = 0; + } + + // Get current axis state + const float *axes = state.axes; + + for (int k = 0; (axes != NULL) && (k < GLFW_GAMEPAD_AXIS_LAST + 1) && (k < MAX_GAMEPAD_AXIS); k++) + { + const int axis = GetGamepadAxis(k); + CORE.Input.Gamepad.axisState[i][axis] = axes[k]; + } + + // Register buttons for 2nd triggers (because GLFW doesn't count these as buttons but rather axis) + CORE.Input.Gamepad.currentState[i][GAMEPAD_BUTTON_LEFT_TRIGGER_2] = (char)(CORE.Input.Gamepad.axisState[i][GAMEPAD_AXIS_LEFT_TRIGGER] > 0.1); + CORE.Input.Gamepad.currentState[i][GAMEPAD_BUTTON_RIGHT_TRIGGER_2] = (char)(CORE.Input.Gamepad.axisState[i][GAMEPAD_AXIS_RIGHT_TRIGGER] > 0.1); + + CORE.Input.Gamepad.axisCount = GLFW_GAMEPAD_AXIS_LAST; + } + } + + CORE.Window.resized = false; + +#if defined(SUPPORT_EVENTS_WAITING) + glfwWaitEvents(); +#else + glfwPollEvents(); // Register keyboard/mouse events (callbacks)... and window events! +#endif +#endif //defined(PLATFORM_DESKTOP) + +// Gamepad support using emscripten API +// NOTE: GLFW3 joystick functionality not available in web +#if defined(PLATFORM_WEB) + // Get number of gamepads connected + int numGamepads = 0; + if (emscripten_sample_gamepad_data() == EMSCRIPTEN_RESULT_SUCCESS) numGamepads = emscripten_get_num_gamepads(); + + for (int i = 0; (i < numGamepads) && (i < MAX_GAMEPADS); i++) + { + // Register previous gamepad button states + for (int k = 0; k < MAX_GAMEPAD_BUTTONS; k++) CORE.Input.Gamepad.previousState[i][k] = CORE.Input.Gamepad.currentState[i][k]; + + EmscriptenGamepadEvent gamepadState; + + int result = emscripten_get_gamepad_status(i, &gamepadState); + + if (result == EMSCRIPTEN_RESULT_SUCCESS) + { + // Register buttons data for every connected gamepad + for (int j = 0; (j < gamepadState.numButtons) && (j < MAX_GAMEPAD_BUTTONS); j++) + { + const GamepadButton button = GetGamepadButton(j); + if (gamepadState.digitalButton[j] == 1) + { + CORE.Input.Gamepad.currentState[i][button] = 1; + CORE.Input.Gamepad.lastButtonPressed = button; + } + else CORE.Input.Gamepad.currentState[i][button] = 0; + + //TRACELOGD("INPUT: Gamepad %d, button %d: Digital: %d, Analog: %g", gamepadState.index, j, gamepadState.digitalButton[j], gamepadState.analogButton[j]); + } + + // Register axis data for every connected gamepad + for (int j = 0; (j < gamepadState.numAxes) && (j < MAX_GAMEPAD_AXIS); j++) + { + const int axis = GetGamepadAxis(j); + CORE.Input.Gamepad.axisState[i][axis] = gamepadState.axis[j]; + } + + CORE.Input.Gamepad.axisCount = gamepadState.numAxes; + } + } +#endif + +#if defined(PLATFORM_ANDROID) + // Register previous keys states + // NOTE: Android supports up to 260 keys + for (int i = 0; i < 260; i++) CORE.Input.Keyboard.previousKeyState[i] = CORE.Input.Keyboard.currentKeyState[i]; + + // Android ALooper_pollAll() variables + int pollResult = 0; + int pollEvents = 0; + + // Poll Events (registered events) + // NOTE: Activity is paused if not enabled (CORE.Android.appEnabled) + while ((pollResult = ALooper_pollAll(CORE.Android.appEnabled? 0 : -1, NULL, &pollEvents, (void**)&CORE.Android.source)) >= 0) + { + // Process this event + if (CORE.Android.source != NULL) CORE.Android.source->process(CORE.Android.app, CORE.Android.source); + + // NOTE: Never close window, native activity is controlled by the system! + if (CORE.Android.app->destroyRequested != 0) + { + //CORE.Window.shouldClose = true; + //ANativeActivity_finish(CORE.Android.app->activity); + } + } +#endif + +#if defined(PLATFORM_RPI) && defined(SUPPORT_SSH_KEYBOARD_RPI) + // NOTE: Keyboard reading could be done using input_event(s) reading or just read from stdin, + // we now use both methods inside here. 2nd method is still used for legacy purposes (Allows for input trough SSH console) + ProcessKeyboard(); + + // NOTE: Mouse input events polling is done asynchronously in another pthread - EventThread() + // NOTE: Gamepad (Joystick) input events polling is done asynchonously in another pthread - GamepadThread() +#endif +} + +// Copy back buffer to front buffers +static void SwapBuffers(void) +{ +#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) + glfwSwapBuffers(CORE.Window.handle); +#endif + +#if defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) || defined(PLATFORM_UWP) + eglSwapBuffers(CORE.Window.device, CORE.Window.surface); +#endif +} + +#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) +// GLFW3 Error Callback, runs on GLFW3 error +static void ErrorCallback(int error, const char *description) +{ + TRACELOG(LOG_WARNING, "GLFW: Error: %i Description: %s", error, description); +} + +// GLFW3 Srolling Callback, runs on mouse wheel +static void ScrollCallback(GLFWwindow *window, double xoffset, double yoffset) +{ + CORE.Input.Mouse.currentWheelMove = (int)yoffset; +} + +// GLFW3 Keyboard Callback, runs on key pressed +static void KeyCallback(GLFWwindow *window, int key, int scancode, int action, int mods) +{ + if (key == CORE.Input.Keyboard.exitKey && action == GLFW_PRESS) + { + glfwSetWindowShouldClose(CORE.Window.handle, GLFW_TRUE); + + // NOTE: Before closing window, while loop must be left! + } + else if (key == GLFW_KEY_F12 && action == GLFW_PRESS) + { +#if defined(SUPPORT_GIF_RECORDING) + if (mods == GLFW_MOD_CONTROL) + { + if (gifRecording) + { + GifEnd(); + gifRecording = false; + + #if defined(PLATFORM_WEB) + // Download file from MEMFS (emscripten memory filesystem) + // saveFileFromMEMFSToDisk() function is defined in raylib/templates/web_shel/shell.html + emscripten_run_script(TextFormat("saveFileFromMEMFSToDisk('%s','%s')", TextFormat("screenrec%03i.gif", screenshotCounter - 1), TextFormat("screenrec%03i.gif", screenshotCounter - 1))); + #endif + + TRACELOG(LOG_INFO, "SYSTEM: Finish animated GIF recording"); + } + else + { + gifRecording = true; + gifFramesCounter = 0; + + char path[512] = { 0 }; + #if defined(PLATFORM_ANDROID) + strcpy(path, CORE.Android.internalDataPath); + strcat(path, TextFormat("./screenrec%03i.gif", screenshotCounter)); + #else + strcpy(path, TextFormat("./screenrec%03i.gif", screenshotCounter)); + #endif + + // NOTE: delay represents the time between frames in the gif, if we capture a gif frame every + // 10 game frames and each frame trakes 16.6ms (60fps), delay between gif frames should be ~16.6*10. + GifBegin(path, CORE.Window.screen.width, CORE.Window.screen.height, (int)(GetFrameTime()*10.0f), 8, false); + screenshotCounter++; + + TRACELOG(LOG_INFO, "SYSTEM: Start animated GIF recording: %s", TextFormat("screenrec%03i.gif", screenshotCounter)); + } + } + else +#endif // SUPPORT_GIF_RECORDING +#if defined(SUPPORT_SCREEN_CAPTURE) + { + TakeScreenshot(TextFormat("screenshot%03i.png", screenshotCounter)); + screenshotCounter++; + } +#endif // SUPPORT_SCREEN_CAPTURE + } + else + { + // WARNING: GLFW could return GLFW_REPEAT, we need to consider it as 1 + // to work properly with our implementation (IsKeyDown/IsKeyUp checks) + if (action == GLFW_RELEASE) CORE.Input.Keyboard.currentKeyState[key] = 0; + else CORE.Input.Keyboard.currentKeyState[key] = 1; + } +} + +// GLFW3 Mouse Button Callback, runs on mouse button pressed +static void MouseButtonCallback(GLFWwindow *window, int button, int action, int mods) +{ + // WARNING: GLFW could only return GLFW_PRESS (1) or GLFW_RELEASE (0) for now, + // but future releases may add more actions (i.e. GLFW_REPEAT) + CORE.Input.Mouse.currentButtonState[button] = action; + +#if defined(SUPPORT_GESTURES_SYSTEM) && defined(SUPPORT_MOUSE_GESTURES) + // Process mouse events as touches to be able to use mouse-gestures + GestureEvent gestureEvent = { 0 }; + + // Register touch actions + if ((CORE.Input.Mouse.currentButtonState[button] == 1) && (CORE.Input.Mouse.previousButtonState[button] == 0)) gestureEvent.touchAction = TOUCH_DOWN; + else if ((CORE.Input.Mouse.currentButtonState[button] == 0) && (CORE.Input.Mouse.previousButtonState[button] == 1)) gestureEvent.touchAction = TOUCH_UP; + + // NOTE: TOUCH_MOVE event is registered in MouseCursorPosCallback() + + // Assign a pointer ID + gestureEvent.pointerId[0] = 0; + + // Register touch points count + gestureEvent.pointCount = 1; + + // Register touch points position, only one point registered + gestureEvent.position[0] = GetMousePosition(); + + // Normalize gestureEvent.position[0] for CORE.Window.screen.width and CORE.Window.screen.height + gestureEvent.position[0].x /= (float)GetScreenWidth(); + gestureEvent.position[0].y /= (float)GetScreenHeight(); + + // Gesture data is sent to gestures system for processing + ProcessGestureEvent(gestureEvent); +#endif +} + +// GLFW3 Cursor Position Callback, runs on mouse move +static void MouseCursorPosCallback(GLFWwindow *window, double x, double y) +{ + CORE.Input.Mouse.position.x = (float)x; + CORE.Input.Mouse.position.y = (float)y; + CORE.Input.Touch.position[0] = CORE.Input.Mouse.position; + +#if defined(SUPPORT_GESTURES_SYSTEM) && defined(SUPPORT_MOUSE_GESTURES) + // Process mouse events as touches to be able to use mouse-gestures + GestureEvent gestureEvent = { 0 }; + + gestureEvent.touchAction = TOUCH_MOVE; + + // Assign a pointer ID + gestureEvent.pointerId[0] = 0; + + // Register touch points count + gestureEvent.pointCount = 1; + + // Register touch points position, only one point registered + gestureEvent.position[0] = CORE.Input.Touch.position[0]; + + // Normalize gestureEvent.position[0] for CORE.Window.screen.width and CORE.Window.screen.height + gestureEvent.position[0].x /= (float)GetScreenWidth(); + gestureEvent.position[0].y /= (float)GetScreenHeight(); + + // Gesture data is sent to gestures system for processing + ProcessGestureEvent(gestureEvent); +#endif +} + +// GLFW3 Char Key Callback, runs on key down (get unicode char value) +static void CharCallback(GLFWwindow *window, unsigned int key) +{ + // NOTE: Registers any key down considering OS keyboard layout but + // do not detects action events, those should be managed by user... + // Ref: https://github.com/glfw/glfw/issues/668#issuecomment-166794907 + // Ref: https://www.glfw.org/docs/latest/input_guide.html#input_char + + // Check if there is space available in the queue + if (CORE.Input.Keyboard.keyPressedQueueCount < MAX_CHARS_QUEUE) + { + // Add character to the queue + CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = key; + CORE.Input.Keyboard.keyPressedQueueCount++; + } +} + +// GLFW3 CursorEnter Callback, when cursor enters the window +static void CursorEnterCallback(GLFWwindow *window, int enter) +{ + if (enter == true) CORE.Input.Mouse.cursorOnScreen = true; + else CORE.Input.Mouse.cursorOnScreen = false; +} + +// GLFW3 WindowSize Callback, runs when window is resized +// NOTE: Window resizing not allowed by default +static void WindowSizeCallback(GLFWwindow *window, int width, int height) +{ + SetupViewport(width, height); // Reset viewport and projection matrix for new size + + // Set current screen size + CORE.Window.screen.width = width; + CORE.Window.screen.height = height; + CORE.Window.currentFbo.width = width; + CORE.Window.currentFbo.height = height; + + // NOTE: Postprocessing texture is not scaled to new size + + CORE.Window.resized = true; +} + +// GLFW3 WindowIconify Callback, runs when window is minimized/restored +static void WindowIconifyCallback(GLFWwindow *window, int iconified) +{ + if (iconified) CORE.Window.minimized = true; // The window was iconified + else CORE.Window.minimized = false; // The window was restored +} + +// GLFW3 Window Drop Callback, runs when drop files into window +// NOTE: Paths are stored in dynamic memory for further retrieval +// Everytime new files are dropped, old ones are discarded +static void WindowDropCallback(GLFWwindow *window, int count, const char **paths) +{ + ClearDroppedFiles(); + + CORE.Window.dropFilesPath = (char **)RL_MALLOC(sizeof(char *)*count); + + for (int i = 0; i < count; i++) + { + CORE.Window.dropFilesPath[i] = (char *)RL_MALLOC(sizeof(char)*MAX_FILEPATH_LENGTH); + strcpy(CORE.Window.dropFilesPath[i], paths[i]); + } + + CORE.Window.dropFilesCount = count; +} +#endif + +#if defined(PLATFORM_ANDROID) +// ANDROID: Process activity lifecycle commands +static void AndroidCommandCallback(struct android_app *app, int32_t cmd) +{ + switch (cmd) + { + case APP_CMD_START: + { + //rendering = true; + } break; + case APP_CMD_RESUME: break; + case APP_CMD_INIT_WINDOW: + { + if (app->window != NULL) + { + if (CORE.Android.contextRebindRequired) + { + // Reset screen scaling to full display size + EGLint displayFormat; + eglGetConfigAttrib(CORE.Window.device, CORE.Window.config, EGL_NATIVE_VISUAL_ID, &displayFormat); + ANativeWindow_setBuffersGeometry(app->window, CORE.Window.render.width, CORE.Window.render.height, displayFormat); + + // Recreate display surface and re-attach OpenGL context + CORE.Window.surface = eglCreateWindowSurface(CORE.Window.device, CORE.Window.config, app->window, NULL); + eglMakeCurrent(CORE.Window.device, CORE.Window.surface, CORE.Window.surface, CORE.Window.context); + + CORE.Android.contextRebindRequired = false; + } + else + { + CORE.Window.display.width = ANativeWindow_getWidth(CORE.Android.app->window); + CORE.Window.display.height = ANativeWindow_getHeight(CORE.Android.app->window); + + // Init graphics device (display device and OpenGL context) + InitGraphicsDevice(CORE.Window.screen.width, CORE.Window.screen.height); + + // Init hi-res timer + InitTimer(); + + #if defined(SUPPORT_DEFAULT_FONT) + // Load default font + // NOTE: External function (defined in module: text) + LoadFontDefault(); + Rectangle rec = GetFontDefault().recs[95]; + // NOTE: We setup a 1px padding on char rectangle to avoid pixel bleeding on MSAA filtering + SetShapesTexture(GetFontDefault().texture, (Rectangle){ rec.x + 1, rec.y + 1, rec.width - 2, rec.height - 2 }); + #endif + + // TODO: GPU assets reload in case of lost focus (lost context) + // NOTE: This problem has been solved just unbinding and rebinding context from display + /* + if (assetsReloadRequired) + { + for (int i = 0; i < assetsCount; i++) + { + // TODO: Unload old asset if required + + // Load texture again to pointed texture + (*textureAsset + i) = LoadTexture(assetPath[i]); + } + } + */ + } + } + } break; + case APP_CMD_GAINED_FOCUS: + { + CORE.Android.appEnabled = true; + //ResumeMusicStream(); + } break; + case APP_CMD_PAUSE: break; + case APP_CMD_LOST_FOCUS: + { + CORE.Android.appEnabled = false; + //PauseMusicStream(); + } break; + case APP_CMD_TERM_WINDOW: + { + // Dettach OpenGL context and destroy display surface + // NOTE 1: Detaching context before destroying display surface avoids losing our resources (textures, shaders, VBOs...) + // NOTE 2: In some cases (too many context loaded), OS could unload context automatically... :( + eglMakeCurrent(CORE.Window.device, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); + eglDestroySurface(CORE.Window.device, CORE.Window.surface); + + CORE.Android.contextRebindRequired = true; + } break; + case APP_CMD_SAVE_STATE: break; + case APP_CMD_STOP: break; + case APP_CMD_DESTROY: + { + // TODO: Finish activity? + //ANativeActivity_finish(CORE.Android.app->activity); + } break; + case APP_CMD_CONFIG_CHANGED: + { + //AConfiguration_fromAssetManager(CORE.Android.app->config, CORE.Android.app->activity->assetManager); + //print_cur_config(CORE.Android.app); + + // Check screen orientation here! + } break; + default: break; + } +} + +// ANDROID: Get input events +static int32_t AndroidInputCallback(struct android_app *app, AInputEvent *event) +{ + // If additional inputs are required check: + // https://developer.android.com/ndk/reference/group/input + // https://developer.android.com/training/game-controllers/controller-input + + int type = AInputEvent_getType(event); + int source = AInputEvent_getSource(event); + + if (type == AINPUT_EVENT_TYPE_MOTION) + { + if ((source & AINPUT_SOURCE_JOYSTICK) == AINPUT_SOURCE_JOYSTICK || (source & AINPUT_SOURCE_GAMEPAD) == AINPUT_SOURCE_GAMEPAD) + { + // Get first touch position + CORE.Input.Touch.position[0].x = AMotionEvent_getX(event, 0); + CORE.Input.Touch.position[0].y = AMotionEvent_getY(event, 0); + + // Get second touch position + CORE.Input.Touch.position[1].x = AMotionEvent_getX(event, 1); + CORE.Input.Touch.position[1].y = AMotionEvent_getY(event, 1); + + int32_t keycode = AKeyEvent_getKeyCode(event); + if (AKeyEvent_getAction(event) == AKEY_EVENT_ACTION_DOWN) + { + CORE.Input.Keyboard.currentKeyState[keycode] = 1; // Key down + + CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = keycode; + CORE.Input.Keyboard.keyPressedQueueCount++; + } + else CORE.Input.Keyboard.currentKeyState[keycode] = 0; // Key up + + // Stop processing gamepad buttons + return 1; + } + } + else if (type == AINPUT_EVENT_TYPE_KEY) + { + int32_t keycode = AKeyEvent_getKeyCode(event); + //int32_t AKeyEvent_getMetaState(event); + + // Save current button and its state + // NOTE: Android key action is 0 for down and 1 for up + if (AKeyEvent_getAction(event) == AKEY_EVENT_ACTION_DOWN) + { + CORE.Input.Keyboard.currentKeyState[keycode] = 1; // Key down + + CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = keycode; + CORE.Input.Keyboard.keyPressedQueueCount++; + } + else CORE.Input.Keyboard.currentKeyState[keycode] = 0; // Key up + + if (keycode == AKEYCODE_POWER) + { + // Let the OS handle input to avoid app stuck. Behaviour: CMD_PAUSE -> CMD_SAVE_STATE -> CMD_STOP -> CMD_CONFIG_CHANGED -> CMD_LOST_FOCUS + // Resuming Behaviour: CMD_START -> CMD_RESUME -> CMD_CONFIG_CHANGED -> CMD_CONFIG_CHANGED -> CMD_GAINED_FOCUS + // It seems like locking mobile, screen size (CMD_CONFIG_CHANGED) is affected. + // NOTE: AndroidManifest.xml must have + // Before that change, activity was calling CMD_TERM_WINDOW and CMD_DESTROY when locking mobile, so that was not a normal behaviour + return 0; + } + else if ((keycode == AKEYCODE_BACK) || (keycode == AKEYCODE_MENU)) + { + // Eat BACK_BUTTON and AKEYCODE_MENU, just do nothing... and don't let to be handled by OS! + return 1; + } + else if ((keycode == AKEYCODE_VOLUME_UP) || (keycode == AKEYCODE_VOLUME_DOWN)) + { + // Set default OS behaviour + return 0; + } + + return 0; + } + + CORE.Input.Touch.position[0].x = AMotionEvent_getX(event, 0); + CORE.Input.Touch.position[0].y = AMotionEvent_getY(event, 0); + + int32_t action = AMotionEvent_getAction(event); + unsigned int flags = action & AMOTION_EVENT_ACTION_MASK; + + if (flags == AMOTION_EVENT_ACTION_DOWN || flags == AMOTION_EVENT_ACTION_MOVE) + { + CORE.Input.Touch.currentTouchState[MOUSE_LEFT_BUTTON] = 1; + } + else if (flags == AMOTION_EVENT_ACTION_UP) + { + CORE.Input.Touch.currentTouchState[MOUSE_LEFT_BUTTON] = 0; + } + +#if defined(SUPPORT_GESTURES_SYSTEM) + + GestureEvent gestureEvent; + + // Register touch actions + if (flags == AMOTION_EVENT_ACTION_DOWN) gestureEvent.touchAction = TOUCH_DOWN; + else if (flags == AMOTION_EVENT_ACTION_UP) gestureEvent.touchAction = TOUCH_UP; + else if (flags == AMOTION_EVENT_ACTION_MOVE) gestureEvent.touchAction = TOUCH_MOVE; + + // Register touch points count + // NOTE: Documentation says pointerCount is Always >= 1, + // but in practice it can be 0 or over a million + gestureEvent.pointCount = AMotionEvent_getPointerCount(event); + + // Only enable gestures for 1-3 touch points + if ((gestureEvent.pointCount > 0) && (gestureEvent.pointCount < 4)) + { + // Register touch points id + // NOTE: Only two points registered + gestureEvent.pointerId[0] = AMotionEvent_getPointerId(event, 0); + gestureEvent.pointerId[1] = AMotionEvent_getPointerId(event, 1); + + // Register touch points position + gestureEvent.position[0] = (Vector2){ AMotionEvent_getX(event, 0), AMotionEvent_getY(event, 0) }; + gestureEvent.position[1] = (Vector2){ AMotionEvent_getX(event, 1), AMotionEvent_getY(event, 1) }; + + // Normalize gestureEvent.position[x] for screenWidth and screenHeight + gestureEvent.position[0].x /= (float)GetScreenWidth(); + gestureEvent.position[0].y /= (float)GetScreenHeight(); + + gestureEvent.position[1].x /= (float)GetScreenWidth(); + gestureEvent.position[1].y /= (float)GetScreenHeight(); + + // Gesture data is sent to gestures system for processing + ProcessGestureEvent(gestureEvent); + } +#endif + + return 0; +} +#endif + +#if defined(PLATFORM_WEB) +// Register fullscreen change events +static EM_BOOL EmscriptenFullscreenChangeCallback(int eventType, const EmscriptenFullscreenChangeEvent *event, void *userData) +{ + //isFullscreen: int event->isFullscreen + //fullscreenEnabled: int event->fullscreenEnabled + //fs element nodeName: (char *) event->nodeName + //fs element id: (char *) event->id + //Current element size: (int) event->elementWidth, (int) event->elementHeight + //Screen size:(int) event->screenWidth, (int) event->screenHeight + + if (event->isFullscreen) + { + CORE.Window.fullscreen = true; + TRACELOG(LOG_INFO, "WEB: Canvas scaled to fullscreen. ElementSize: (%ix%i), ScreenSize(%ix%i)", event->elementWidth, event->elementHeight, event->screenWidth, event->screenHeight); + } + else + { + CORE.Window.fullscreen = false; + TRACELOG(LOG_INFO, "WEB: Canvas scaled to windowed. ElementSize: (%ix%i), ScreenSize(%ix%i)", event->elementWidth, event->elementHeight, event->screenWidth, event->screenHeight); + } + + // TODO: Depending on scaling factor (screen vs element), calculate factor to scale mouse/touch input + + return 0; +} + +// Register keyboard input events +static EM_BOOL EmscriptenKeyboardCallback(int eventType, const EmscriptenKeyboardEvent *keyEvent, void *userData) +{ + if ((eventType == EMSCRIPTEN_EVENT_KEYPRESS) && (strcmp(keyEvent->code, "Escape") == 0)) + { + emscripten_exit_pointerlock(); + } + + return 0; +} + +// Register mouse input events +static EM_BOOL EmscriptenMouseCallback(int eventType, const EmscriptenMouseEvent *mouseEvent, void *userData) +{ + // Lock mouse pointer when click on screen + if ((eventType == EMSCRIPTEN_EVENT_CLICK) && CORE.Input.Mouse.cursorLockRequired) + { + EmscriptenPointerlockChangeEvent plce; + emscripten_get_pointerlock_status(&plce); + + if (!plce.isActive) emscripten_request_pointerlock(0, 1); + else + { + emscripten_exit_pointerlock(); + emscripten_get_pointerlock_status(&plce); + //if (plce.isActive) TRACELOG(LOG_WARNING, "Pointer lock exit did not work!"); + } + + CORE.Input.Mouse.cursorLockRequired = false; + } + + return 0; +} + +// Register touch input events +static EM_BOOL EmscriptenTouchCallback(int eventType, const EmscriptenTouchEvent *touchEvent, void *userData) +{ + for (int i = 0; i < touchEvent->numTouches; i++) + { + if (eventType == EMSCRIPTEN_EVENT_TOUCHSTART) CORE.Input.Touch.currentTouchState[i] = 1; + else if (eventType == EMSCRIPTEN_EVENT_TOUCHEND) CORE.Input.Touch.currentTouchState[i] = 0; + } + +#if defined(SUPPORT_GESTURES_SYSTEM) + GestureEvent gestureEvent = { 0 }; + + // Register touch actions + if (eventType == EMSCRIPTEN_EVENT_TOUCHSTART) gestureEvent.touchAction = TOUCH_DOWN; + else if (eventType == EMSCRIPTEN_EVENT_TOUCHEND) gestureEvent.touchAction = TOUCH_UP; + else if (eventType == EMSCRIPTEN_EVENT_TOUCHMOVE) gestureEvent.touchAction = TOUCH_MOVE; + + // Register touch points count + gestureEvent.pointCount = touchEvent->numTouches; + + // Register touch points id + gestureEvent.pointerId[0] = touchEvent->touches[0].identifier; + gestureEvent.pointerId[1] = touchEvent->touches[1].identifier; + + // Register touch points position + // NOTE: Only two points registered + gestureEvent.position[0] = (Vector2){ touchEvent->touches[0].targetX, touchEvent->touches[0].targetY }; + gestureEvent.position[1] = (Vector2){ touchEvent->touches[1].targetX, touchEvent->touches[1].targetY }; + + double canvasWidth, canvasHeight; + // NOTE: emscripten_get_canvas_element_size() returns canvas.width and canvas.height but + // we are looking for actual CSS size: canvas.style.width and canvas.style.height + //EMSCRIPTEN_RESULT res = emscripten_get_canvas_element_size("#canvas", &canvasWidth, &canvasHeight); + emscripten_get_element_css_size("#canvas", &canvasWidth, &canvasHeight); + + // Normalize gestureEvent.position[x] for CORE.Window.screen.width and CORE.Window.screen.height + gestureEvent.position[0].x *= ((float)GetScreenWidth()/(float)canvasWidth); + gestureEvent.position[0].y *= ((float)GetScreenHeight()/(float)canvasHeight); + gestureEvent.position[1].x *= ((float)GetScreenWidth()/(float)canvasWidth); + gestureEvent.position[1].y *= ((float)GetScreenHeight()/(float)canvasHeight); + + CORE.Input.Touch.position[0] = gestureEvent.position[0]; + CORE.Input.Touch.position[1] = gestureEvent.position[1]; + + // Gesture data is sent to gestures system for processing + ProcessGestureEvent(gestureEvent); +#else + // Support only simple touch position + if (eventType == EMSCRIPTEN_EVENT_TOUCHSTART) + { + // Get first touch position + CORE.Input.Touch.position[0] = (Vector2){ touchEvent->touches[0].targetX, touchEvent->touches[0].targetY }; + + double canvasWidth, canvasHeight; + //EMSCRIPTEN_RESULT res = emscripten_get_canvas_element_size("#canvas", &canvasWidth, &canvasHeight); + emscripten_get_element_css_size("#canvas", &canvasWidth, &canvasHeight); + + // Normalize gestureEvent.position[x] for screenWidth and screenHeight + CORE.Input.Touch.position[0].x *= ((float)GetScreenWidth()/(float)canvasWidth); + CORE.Input.Touch.position[0].y *= ((float)GetScreenHeight()/(float)canvasHeight); + } +#endif + + return 1; +} + +// Register connected/disconnected gamepads events +static EM_BOOL EmscriptenGamepadCallback(int eventType, const EmscriptenGamepadEvent *gamepadEvent, void *userData) +{ + /* + TRACELOGD("%s: timeStamp: %g, connected: %d, index: %ld, numAxes: %d, numButtons: %d, id: \"%s\", mapping: \"%s\"", + eventType != 0? emscripten_event_type_to_string(eventType) : "Gamepad state", + gamepadEvent->timestamp, gamepadEvent->connected, gamepadEvent->index, gamepadEvent->numAxes, gamepadEvent->numButtons, gamepadEvent->id, gamepadEvent->mapping); + + for (int i = 0; i < gamepadEvent->numAxes; ++i) TRACELOGD("Axis %d: %g", i, gamepadEvent->axis[i]); + for (int i = 0; i < gamepadEvent->numButtons; ++i) TRACELOGD("Button %d: Digital: %d, Analog: %g", i, gamepadEvent->digitalButton[i], gamepadEvent->analogButton[i]); + */ + + if ((gamepadEvent->connected) && (gamepadEvent->index < MAX_GAMEPADS)) CORE.Input.Gamepad.ready[gamepadEvent->index] = true; + else CORE.Input.Gamepad.ready[gamepadEvent->index] = false; + + // TODO: Test gamepadEvent->index + + return 0; +} +#endif + +#if defined(PLATFORM_RPI) + +#if defined(SUPPORT_SSH_KEYBOARD_RPI) +// Initialize Keyboard system (using standard input) +static void InitKeyboard(void) +{ + // NOTE: We read directly from Standard Input (stdin) - STDIN_FILENO file descriptor + + // Make stdin non-blocking (not enough, need to configure to non-canonical mode) + int flags = fcntl(STDIN_FILENO, F_GETFL, 0); // F_GETFL: Get the file access mode and the file status flags + fcntl(STDIN_FILENO, F_SETFL, flags | O_NONBLOCK); // F_SETFL: Set the file status flags to the value specified + + // Save terminal keyboard settings and reconfigure terminal with new settings + struct termios keyboardNewSettings; + tcgetattr(STDIN_FILENO, &CORE.Input.Keyboard.defaultSettings); // Get current keyboard settings + keyboardNewSettings = CORE.Input.Keyboard.defaultSettings; + + // New terminal settings for keyboard: turn off buffering (non-canonical mode), echo and key processing + // NOTE: ISIG controls if ^C and ^Z generate break signals or not + keyboardNewSettings.c_lflag &= ~(ICANON | ECHO | ISIG); + //keyboardNewSettings.c_iflag &= ~(ISTRIP | INLCR | ICRNL | IGNCR | IXON | IXOFF); + keyboardNewSettings.c_cc[VMIN] = 1; + keyboardNewSettings.c_cc[VTIME] = 0; + + // Set new keyboard settings (change occurs immediately) + tcsetattr(STDIN_FILENO, TCSANOW, &keyboardNewSettings); + + // NOTE: Reading directly from stdin will give chars already key-mapped by kernel to ASCII or UNICODE + + // Save old keyboard mode to restore it at the end + if (ioctl(STDIN_FILENO, KDGKBMODE, &CORE.Input.Keyboard.defaultMode) < 0) + { + // NOTE: It could mean we are using a remote keyboard through ssh! + TRACELOG(LOG_WARNING, "RPI: Failed to change keyboard mode (SSH keyboard?)"); + } + else + { + // We reconfigure keyboard mode to get: + // - scancodes (K_RAW) + // - keycodes (K_MEDIUMRAW) + // - ASCII chars (K_XLATE) + // - UNICODE chars (K_UNICODE) + ioctl(STDIN_FILENO, KDSKBMODE, K_XLATE); + } + + // Register keyboard restore when program finishes + atexit(RestoreKeyboard); +} + +// Process keyboard inputs +// TODO: Most probably input reading and processing should be in a separate thread +static void ProcessKeyboard(void) +{ + #define MAX_KEYBUFFER_SIZE 32 // Max size in bytes to read + + // Keyboard input polling (fill keys[256] array with status) + int bufferByteCount = 0; // Bytes available on the buffer + char keysBuffer[MAX_KEYBUFFER_SIZE]; // Max keys to be read at a time + + // Read availables keycodes from stdin + bufferByteCount = read(STDIN_FILENO, keysBuffer, MAX_KEYBUFFER_SIZE); // POSIX system call + + // Reset pressed keys array (it will be filled below) + for (int i = 0; i < 512; i++) CORE.Input.Keyboard.currentKeyState[i] = 0; + + // Check keys from event input workers (This is the new keyboard reading method) + //for (int i = 0; i < 512; i++) CORE.Input.Keyboard.currentKeyState[i] = CORE.Input.Keyboard.currentKeyStateEvdev[i]; + + // Fill all read bytes (looking for keys) + for (int i = 0; i < bufferByteCount; i++) + { + // NOTE: If (key == 0x1b), depending on next key, it could be a special keymap code! + // Up -> 1b 5b 41 / Left -> 1b 5b 44 / Right -> 1b 5b 43 / Down -> 1b 5b 42 + if (keysBuffer[i] == 0x1b) + { + // Detect ESC to stop program + if (bufferByteCount == 1) CORE.Input.Keyboard.currentKeyState[CORE.Input.Keyboard.exitKey] = 1; + else + { + if (keysBuffer[i + 1] == 0x5b) // Special function key + { + if ((keysBuffer[i + 2] == 0x5b) || (keysBuffer[i + 2] == 0x31) || (keysBuffer[i + 2] == 0x32)) + { + // Process special function keys (F1 - F12) + switch (keysBuffer[i + 3]) + { + case 0x41: CORE.Input.Keyboard.currentKeyState[290] = 1; break; // raylib KEY_F1 + case 0x42: CORE.Input.Keyboard.currentKeyState[291] = 1; break; // raylib KEY_F2 + case 0x43: CORE.Input.Keyboard.currentKeyState[292] = 1; break; // raylib KEY_F3 + case 0x44: CORE.Input.Keyboard.currentKeyState[293] = 1; break; // raylib KEY_F4 + case 0x45: CORE.Input.Keyboard.currentKeyState[294] = 1; break; // raylib KEY_F5 + case 0x37: CORE.Input.Keyboard.currentKeyState[295] = 1; break; // raylib KEY_F6 + case 0x38: CORE.Input.Keyboard.currentKeyState[296] = 1; break; // raylib KEY_F7 + case 0x39: CORE.Input.Keyboard.currentKeyState[297] = 1; break; // raylib KEY_F8 + case 0x30: CORE.Input.Keyboard.currentKeyState[298] = 1; break; // raylib KEY_F9 + case 0x31: CORE.Input.Keyboard.currentKeyState[299] = 1; break; // raylib KEY_F10 + case 0x33: CORE.Input.Keyboard.currentKeyState[300] = 1; break; // raylib KEY_F11 + case 0x34: CORE.Input.Keyboard.currentKeyState[301] = 1; break; // raylib KEY_F12 + default: break; + } + + if (keysBuffer[i + 2] == 0x5b) i += 4; + else if ((keysBuffer[i + 2] == 0x31) || (keysBuffer[i + 2] == 0x32)) i += 5; + } + else + { + switch (keysBuffer[i + 2]) + { + case 0x41: CORE.Input.Keyboard.currentKeyState[265] = 1; break; // raylib KEY_UP + case 0x42: CORE.Input.Keyboard.currentKeyState[264] = 1; break; // raylib KEY_DOWN + case 0x43: CORE.Input.Keyboard.currentKeyState[262] = 1; break; // raylib KEY_RIGHT + case 0x44: CORE.Input.Keyboard.currentKeyState[263] = 1; break; // raylib KEY_LEFT + default: break; + } + + i += 3; // Jump to next key + } + + // NOTE: Some keys are not directly keymapped (CTRL, ALT, SHIFT) + } + } + } + else if (keysBuffer[i] == 0x0a) // raylib KEY_ENTER (don't mix with KEY_*) + { + CORE.Input.Keyboard.currentKeyState[257] = 1; + + CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = 257; // Add keys pressed into queue + CORE.Input.Keyboard.keyPressedQueueCount++; + } + else if (keysBuffer[i] == 0x7f) // raylib KEY_BACKSPACE + { + CORE.Input.Keyboard.currentKeyState[259] = 1; + + CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = 257; // Add keys pressed into queue + CORE.Input.Keyboard.keyPressedQueueCount++; + } + else + { + // Translate lowercase a-z letters to A-Z + if ((keysBuffer[i] >= 97) && (keysBuffer[i] <= 122)) + { + CORE.Input.Keyboard.currentKeyState[(int)keysBuffer[i] - 32] = 1; + } + else CORE.Input.Keyboard.currentKeyState[(int)keysBuffer[i]] = 1; + + CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = keysBuffer[i]; // Add keys pressed into queue + CORE.Input.Keyboard.keyPressedQueueCount++; + } + } + + // Check exit key (same functionality as GLFW3 KeyCallback()) + if (CORE.Input.Keyboard.currentKeyState[CORE.Input.Keyboard.exitKey] == 1) CORE.Window.shouldClose = true; + +#if defined(SUPPORT_SCREEN_CAPTURE) + // Check screen capture key (raylib key: KEY_F12) + if (CORE.Input.Keyboard.currentKeyState[301] == 1) + { + TakeScreenshot(FormatText("screenshot%03i.png", screenshotCounter)); + screenshotCounter++; + } +#endif +} + +// Restore default keyboard input +static void RestoreKeyboard(void) +{ + // Reset to default keyboard settings + tcsetattr(STDIN_FILENO, TCSANOW, &CORE.Input.Keyboard.defaultSettings); + + // Reconfigure keyboard to default mode + ioctl(STDIN_FILENO, KDSKBMODE, CORE.Input.Keyboard.defaultMode); +} +#endif //SUPPORT_SSH_KEYBOARD_RPI + +// Initialise user input from evdev(/dev/input/event) this means mouse, keyboard or gamepad devices +static void InitEvdevInput(void) +{ + char path[MAX_FILEPATH_LENGTH]; + DIR *directory; + struct dirent *entity; + + // Reset variables + for (int i = 0; i < MAX_TOUCH_POINTS; ++i) + { + CORE.Input.Touch.position[i].x = -1; + CORE.Input.Touch.position[i].y = -1; + } + + // Reset keypress buffer + CORE.Input.Keyboard.lastKeyPressed.head = 0; + CORE.Input.Keyboard.lastKeyPressed.tail = 0; + + // Reset keyboard key state + for (int i = 0; i < 512; i++) CORE.Input.Keyboard.currentKeyState[i] = 0; + + // Open the linux directory of "/dev/input" + directory = opendir(DEFAULT_EVDEV_PATH); + + if (directory) + { + while ((entity = readdir(directory)) != NULL) + { + if (strncmp("event", entity->d_name, strlen("event")) == 0) // Search for devices named "event*" + { + sprintf(path, "%s%s", DEFAULT_EVDEV_PATH, entity->d_name); + EventThreadSpawn(path); // Identify the device and spawn a thread for it + } + } + + closedir(directory); + } + else TRACELOG(LOG_WARNING, "RPI: Failed to open linux event directory: %s", DEFAULT_EVDEV_PATH); +} + +// Identifies a input device and spawns a thread to handle it if needed +static void EventThreadSpawn(char *device) +{ + #define BITS_PER_LONG (sizeof(long)*8) + #define NBITS(x) ((((x) - 1)/BITS_PER_LONG) + 1) + #define OFF(x) ((x)%BITS_PER_LONG) + #define BIT(x) (1UL<> OFF(bit)) & 1) + + struct input_absinfo absinfo; + unsigned long evBits[NBITS(EV_MAX)]; + unsigned long absBits[NBITS(ABS_MAX)]; + unsigned long relBits[NBITS(REL_MAX)]; + unsigned long keyBits[NBITS(KEY_MAX)]; + bool hasAbs = false; + bool hasRel = false; + bool hasAbsMulti = false; + int freeWorkerId = -1; + int fd = -1; + + InputEventWorker *worker; + + // Open the device and allocate worker + //------------------------------------------------------------------------------------------------------- + // Find a free spot in the workers array + for (int i = 0; i < sizeof(CORE.Input.eventWorker)/sizeof(InputEventWorker); ++i) + { + if (CORE.Input.eventWorker[i].threadId == 0) + { + freeWorkerId = i; + break; + } + } + + // Select the free worker from array + if (freeWorkerId >= 0) + { + worker = &(CORE.Input.eventWorker[freeWorkerId]); // Grab a pointer to the worker + memset(worker, 0, sizeof(InputEventWorker)); // Clear the worker + } + else + { + TRACELOG(LOG_WARNING, "RPI: Failed to create input device thread for %s, out of worker slots", device); + return; + } + + // Open the device + fd = open(device, O_RDONLY | O_NONBLOCK); + if (fd < 0) + { + TRACELOG(LOG_WARNING, "RPI: Failed to open input device (error: %d)", device, worker->fd); + return; + } + worker->fd = fd; + + // Grab number on the end of the devices name "event" + int devNum = 0; + char *ptrDevName = strrchr(device, 't'); + worker->eventNum = -1; + + if (ptrDevName != NULL) + { + if (sscanf(ptrDevName, "t%d", &devNum) == 1) + worker->eventNum = devNum; + } + + // At this point we have a connection to the device, but we don't yet know what the device is. + // It could be many things, even as simple as a power button... + //------------------------------------------------------------------------------------------------------- + + // Identify the device + //------------------------------------------------------------------------------------------------------- + ioctl(fd, EVIOCGBIT(0, sizeof(evBits)), evBits); // Read a bitfield of the avalable device properties + + // Check for absolute input devices + if (TEST_BIT(evBits, EV_ABS)) + { + ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(absBits)), absBits); + + // Check for absolute movement support (usualy touchscreens, but also joysticks) + if (TEST_BIT(absBits, ABS_X) && TEST_BIT(absBits, ABS_Y)) + { + hasAbs = true; + + // Get the scaling values + ioctl(fd, EVIOCGABS(ABS_X), &absinfo); + worker->absRange.x = absinfo.minimum; + worker->absRange.width = absinfo.maximum - absinfo.minimum; + ioctl(fd, EVIOCGABS(ABS_Y), &absinfo); + worker->absRange.y = absinfo.minimum; + worker->absRange.height = absinfo.maximum - absinfo.minimum; + } + + // Check for multiple absolute movement support (usualy multitouch touchscreens) + if (TEST_BIT(absBits, ABS_MT_POSITION_X) && TEST_BIT(absBits, ABS_MT_POSITION_Y)) + { + hasAbsMulti = true; + + // Get the scaling values + ioctl(fd, EVIOCGABS(ABS_X), &absinfo); + worker->absRange.x = absinfo.minimum; + worker->absRange.width = absinfo.maximum - absinfo.minimum; + ioctl(fd, EVIOCGABS(ABS_Y), &absinfo); + worker->absRange.y = absinfo.minimum; + worker->absRange.height = absinfo.maximum - absinfo.minimum; + } + } + + // Check for relative movement support (usualy mouse) + if (TEST_BIT(evBits, EV_REL)) + { + ioctl(fd, EVIOCGBIT(EV_REL, sizeof(relBits)), relBits); + + if (TEST_BIT(relBits, REL_X) && TEST_BIT(relBits, REL_Y)) hasRel = true; + } + + // Check for button support to determine the device type(usualy on all input devices) + if (TEST_BIT(evBits, EV_KEY)) + { + ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keyBits)), keyBits); + + if (hasAbs || hasAbsMulti) + { + if (TEST_BIT(keyBits, BTN_TOUCH)) worker->isTouch = true; // This is a touchscreen + if (TEST_BIT(keyBits, BTN_TOOL_FINGER)) worker->isTouch = true; // This is a drawing tablet + if (TEST_BIT(keyBits, BTN_TOOL_PEN)) worker->isTouch = true; // This is a drawing tablet + if (TEST_BIT(keyBits, BTN_STYLUS)) worker->isTouch = true; // This is a drawing tablet + if (worker->isTouch || hasAbsMulti) worker->isMultitouch = true; // This is a multitouch capable device + } + + if (hasRel) + { + if (TEST_BIT(keyBits, BTN_LEFT)) worker->isMouse = true; // This is a mouse + if (TEST_BIT(keyBits, BTN_RIGHT)) worker->isMouse = true; // This is a mouse + } + + if (TEST_BIT(keyBits, BTN_A)) worker->isGamepad = true; // This is a gamepad + if (TEST_BIT(keyBits, BTN_TRIGGER)) worker->isGamepad = true; // This is a gamepad + if (TEST_BIT(keyBits, BTN_START)) worker->isGamepad = true; // This is a gamepad + if (TEST_BIT(keyBits, BTN_TL)) worker->isGamepad = true; // This is a gamepad + if (TEST_BIT(keyBits, BTN_TL)) worker->isGamepad = true; // This is a gamepad + + if (TEST_BIT(keyBits, KEY_SPACE)) worker->isKeyboard = true; // This is a keyboard + } + //------------------------------------------------------------------------------------------------------- + + // Decide what to do with the device + //------------------------------------------------------------------------------------------------------- + if (worker->isTouch || worker->isMouse || worker->isKeyboard) + { + // Looks like an interesting device + TRACELOG(LOG_INFO, "RPI: Opening input device: %s (%s%s%s%s%s)", device, + worker->isMouse? "mouse " : "", + worker->isMultitouch? "multitouch " : "", + worker->isTouch? "touchscreen " : "", + worker->isGamepad? "gamepad " : "", + worker->isKeyboard? "keyboard " : ""); + + // Create a thread for this device + int error = pthread_create(&worker->threadId, NULL, &EventThread, (void *)worker); + if (error != 0) + { + TRACELOG(LOG_WARNING, "RPI: Failed to create input device thread: %s (error: %d)", device, error); + worker->threadId = 0; + close(fd); + } + +#if defined(USE_LAST_TOUCH_DEVICE) + // Find touchscreen with the highest index + int maxTouchNumber = -1; + + for (int i = 0; i < sizeof(CORE.Input.eventWorker)/sizeof(InputEventWorker); ++i) + { + if (CORE.Input.eventWorker[i].isTouch && (CORE.Input.eventWorker[i].eventNum > maxTouchNumber)) maxTouchNumber = CORE.Input.eventWorker[i].eventNum; + } + + // Find toucnscreens with lower indexes + for (int i = 0; i < sizeof(CORE.Input.eventWorker)/sizeof(InputEventWorker); ++i) + { + if (CORE.Input.eventWorker[i].isTouch && (CORE.Input.eventWorker[i].eventNum < maxTouchNumber)) + { + if (CORE.Input.eventWorker[i].threadId != 0) + { + TRACELOG(LOG_WARNING, "RPI: Found duplicate touchscreen, killing touchscreen on event: %d", i); + pthread_cancel(CORE.Input.eventWorker[i].threadId); + close(CORE.Input.eventWorker[i].fd); + } + } + } +#endif + } + else close(fd); // We are not interested in this device + //------------------------------------------------------------------------------------------------------- +} + +// Input device events reading thread +static void *EventThread(void *arg) +{ + // Scancode to keycode mapping for US keyboards + // TODO: Probably replace this with a keymap from the X11 to get the correct regional map for the keyboard: + // Currently non US keyboards will have the wrong mapping for some keys + static const int keymap_US[] = + { 0,256,49,50,51,52,53,54,55,56,57,48,45,61,259,258,81,87,69,82,84, + 89,85,73,79,80,91,93,257,341,65,83,68,70,71,72,74,75,76,59,39,96, + 340,92,90,88,67,86,66,78,77,44,46,47,344,332,342,32,280,290,291, + 292,293,294,295,296,297,298,299,282,281,327,328,329,333,324,325, + 326,334,321,322,323,320,330,0,85,86,300,301,89,90,91,92,93,94,95, + 335,345,331,283,346,101,268,265,266,263,262,269,264,267,260,261, + 112,113,114,115,116,117,118,119,120,121,122,123,124,125,347,127, + 128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143, + 144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159, + 160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175, + 176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191, + 192,193,194,0,0,0,0,0,200,201,202,203,204,205,206,207,208,209,210, + 211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226, + 227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242, + 243,244,245,246,247,248,0,0,0,0,0,0,0, }; + + struct input_event event; + InputEventWorker *worker = (InputEventWorker *)arg; + + int touchAction = -1; + bool gestureUpdate = false; + int keycode; + + while (!CORE.Window.shouldClose) + { + // Try to read data from the device and only continue if successful + if (read(worker->fd, &event, sizeof(event)) == (int)sizeof(event)) + { + // Relative movement parsing + if (event.type == EV_REL) + { + if (event.code == REL_X) + { + CORE.Input.Mouse.position.x += event.value; + CORE.Input.Touch.position[0].x = CORE.Input.Mouse.position.x; + + #if defined(SUPPORT_GESTURES_SYSTEM) + touchAction = TOUCH_MOVE; + gestureUpdate = true; + #endif + } + + if (event.code == REL_Y) + { + CORE.Input.Mouse.position.y += event.value; + CORE.Input.Touch.position[0].y = CORE.Input.Mouse.position.y; + + #if defined(SUPPORT_GESTURES_SYSTEM) + touchAction = TOUCH_MOVE; + gestureUpdate = true; + #endif + } + + if (event.code == REL_WHEEL) CORE.Input.Mouse.currentWheelMove += event.value; + } + + // Absolute movement parsing + if (event.type == EV_ABS) + { + // Basic movement + if (event.code == ABS_X) + { + CORE.Input.Mouse.position.x = (event.value - worker->absRange.x)*CORE.Window.screen.width/worker->absRange.width; // Scale acording to absRange + + #if defined(SUPPORT_GESTURES_SYSTEM) + touchAction = TOUCH_MOVE; + gestureUpdate = true; + #endif + } + + if (event.code == ABS_Y) + { + CORE.Input.Mouse.position.y = (event.value - worker->absRange.y)*CORE.Window.screen.height/worker->absRange.height; // Scale acording to absRange + + #if defined(SUPPORT_GESTURES_SYSTEM) + touchAction = TOUCH_MOVE; + gestureUpdate = true; + #endif + } + + // Multitouch movement + if (event.code == ABS_MT_SLOT) worker->touchSlot = event.value; // Remeber the slot number for the folowing events + + if (event.code == ABS_MT_POSITION_X) + { + if (worker->touchSlot < MAX_TOUCH_POINTS) CORE.Input.Touch.position[worker->touchSlot].x = (event.value - worker->absRange.x)*CORE.Window.screen.width/worker->absRange.width; // Scale acording to absRange + } + + if (event.code == ABS_MT_POSITION_Y) + { + if (worker->touchSlot < MAX_TOUCH_POINTS) CORE.Input.Touch.position[worker->touchSlot].y = (event.value - worker->absRange.y)*CORE.Window.screen.height/worker->absRange.height; // Scale acording to absRange + } + + if (event.code == ABS_MT_TRACKING_ID) + { + if ((event.value < 0) && (worker->touchSlot < MAX_TOUCH_POINTS)) + { + // Touch has ended for this point + CORE.Input.Touch.position[worker->touchSlot].x = -1; + CORE.Input.Touch.position[worker->touchSlot].y = -1; + } + } + } + + // Button parsing + if (event.type == EV_KEY) + { + // Mouse button parsing + if ((event.code == BTN_TOUCH) || (event.code == BTN_LEFT)) + { + CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_LEFT_BUTTON] = event.value; + + #if defined(SUPPORT_GESTURES_SYSTEM) + if (event.value > 0) touchAction = TOUCH_DOWN; + else touchAction = TOUCH_UP; + gestureUpdate = true; + #endif + } + + if (event.code == BTN_RIGHT) CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_RIGHT_BUTTON] = event.value; + if (event.code == BTN_MIDDLE) CORE.Input.Mouse.currentButtonStateEvdev[MOUSE_MIDDLE_BUTTON] = event.value; + + // Keyboard button parsing + if ((event.code >= 1) && (event.code <= 255)) //Keyboard keys appear for codes 1 to 255 + { + keycode = keymap_US[event.code & 0xFF]; // The code we get is a scancode so we look up the apropriate keycode + + // Make sure we got a valid keycode + if ((keycode > 0) && (keycode < sizeof(CORE.Input.Keyboard.currentKeyState))) + { + /* Disabled buffer !! + // Store the key information for raylib to later use + CORE.Input.Keyboard.currentKeyState[keycode] = event.value; + if (event.value > 0) + { + // Add the key int the fifo + CORE.Input.Keyboard.lastKeyPressed.contents[CORE.Input.Keyboard.lastKeyPressed.head] = keycode; // Put the data at the front of the fifo snake + CORE.Input.Keyboard.lastKeyPressed.head = (CORE.Input.Keyboard.lastKeyPressed.head + 1) & 0x07; // Increment the head pointer forwards and binary wraparound after 7 (fifo is 8 elements long) + // TODO: This fifo is not fully threadsafe with multiple writers, so multiple keyboards hitting a key at the exact same time could miss a key (double write to head before it was incremented) + } + */ + + CORE.Input.Keyboard.currentKeyState[keycode] = event.value; + if (event.value == 1) + { + CORE.Input.Keyboard.keyPressedQueue[CORE.Input.Keyboard.keyPressedQueueCount] = keycode; // Register last key pressed + CORE.Input.Keyboard.keyPressedQueueCount++; + } + + #if defined(SUPPORT_SCREEN_CAPTURE) + // Check screen capture key (raylib key: KEY_F12) + if (CORE.Input.Keyboard.currentKeyState[301] == 1) + { + TakeScreenshot(FormatText("screenshot%03i.png", screenshotCounter)); + screenshotCounter++; + } + #endif + + if (CORE.Input.Keyboard.currentKeyState[CORE.Input.Keyboard.exitKey] == 1) CORE.Window.shouldClose = true; + + TRACELOGD("RPI: KEY_%s ScanCode: %4i KeyCode: %4i", event.value == 0 ? "UP":"DOWN", event.code, keycode); + } + } + } + + // Screen confinement + if (CORE.Input.Mouse.position.x < 0) CORE.Input.Mouse.position.x = 0; + if (CORE.Input.Mouse.position.x > CORE.Window.screen.width/CORE.Input.Mouse.scale.x) CORE.Input.Mouse.position.x = CORE.Window.screen.width/CORE.Input.Mouse.scale.x; + + if (CORE.Input.Mouse.position.y < 0) CORE.Input.Mouse.position.y = 0; + if (CORE.Input.Mouse.position.y > CORE.Window.screen.height/CORE.Input.Mouse.scale.y) CORE.Input.Mouse.position.y = CORE.Window.screen.height/CORE.Input.Mouse.scale.y; + + // Gesture update + if (gestureUpdate) + { + #if defined(SUPPORT_GESTURES_SYSTEM) + GestureEvent gestureEvent = { 0 }; + + gestureEvent.pointCount = 0; + gestureEvent.touchAction = touchAction; + + if (CORE.Input.Touch.position[0].x >= 0) gestureEvent.pointCount++; + if (CORE.Input.Touch.position[1].x >= 0) gestureEvent.pointCount++; + if (CORE.Input.Touch.position[2].x >= 0) gestureEvent.pointCount++; + if (CORE.Input.Touch.position[3].x >= 0) gestureEvent.pointCount++; + + gestureEvent.pointerId[0] = 0; + gestureEvent.pointerId[1] = 1; + gestureEvent.pointerId[2] = 2; + gestureEvent.pointerId[3] = 3; + + gestureEvent.position[0] = CORE.Input.Touch.position[0]; + gestureEvent.position[1] = CORE.Input.Touch.position[1]; + gestureEvent.position[2] = CORE.Input.Touch.position[2]; + gestureEvent.position[3] = CORE.Input.Touch.position[3]; + + ProcessGestureEvent(gestureEvent); + #endif + } + } + else + { + usleep(5000); // Sleep for 5ms to avoid hogging CPU time + } + } + + close(worker->fd); + + return NULL; +} + +// Init gamepad system +static void InitGamepad(void) +{ + char gamepadDev[128] = ""; + + for (int i = 0; i < MAX_GAMEPADS; i++) + { + sprintf(gamepadDev, "%s%i", DEFAULT_GAMEPAD_DEV, i); + + if ((CORE.Input.Gamepad.streamId[i] = open(gamepadDev, O_RDONLY|O_NONBLOCK)) < 0) + { + // NOTE: Only show message for first gamepad + if (i == 0) TRACELOG(LOG_WARNING, "RPI: Failed to open Gamepad device, no gamepad available"); + } + else + { + CORE.Input.Gamepad.ready[i] = true; + + // NOTE: Only create one thread + if (i == 0) + { + int error = pthread_create(&CORE.Input.Gamepad.threadId, NULL, &GamepadThread, NULL); + + if (error != 0) TRACELOG(LOG_WARNING, "RPI: Failed to create gamepad input event thread"); + else TRACELOG(LOG_INFO, "RPI: Gamepad device initialized successfully"); + } + } + } +} + +// Process Gamepad (/dev/input/js0) +static void *GamepadThread(void *arg) +{ + #define JS_EVENT_BUTTON 0x01 // Button pressed/released + #define JS_EVENT_AXIS 0x02 // Joystick axis moved + #define JS_EVENT_INIT 0x80 // Initial state of device + + struct js_event { + unsigned int time; // event timestamp in milliseconds + short value; // event value + unsigned char type; // event type + unsigned char number; // event axis/button number + }; + + // Read gamepad event + struct js_event gamepadEvent; + + while (!CORE.Window.shouldClose) + { + for (int i = 0; i < MAX_GAMEPADS; i++) + { + if (read(CORE.Input.Gamepad.streamId[i], &gamepadEvent, sizeof(struct js_event)) == (int)sizeof(struct js_event)) + { + gamepadEvent.type &= ~JS_EVENT_INIT; // Ignore synthetic events + + // Process gamepad events by type + if (gamepadEvent.type == JS_EVENT_BUTTON) + { + TRACELOGD("RPI: Gamepad button: %i, value: %i", gamepadEvent.number, gamepadEvent.value); + + if (gamepadEvent.number < MAX_GAMEPAD_BUTTONS) + { + // 1 - button pressed, 0 - button released + CORE.Input.Gamepad.currentState[i][gamepadEvent.number] = (int)gamepadEvent.value; + + if ((int)gamepadEvent.value == 1) CORE.Input.Gamepad.lastButtonPressed = gamepadEvent.number; + else CORE.Input.Gamepad.lastButtonPressed = -1; + } + } + else if (gamepadEvent.type == JS_EVENT_AXIS) + { + TRACELOGD("RPI: Gamepad axis: %i, value: %i", gamepadEvent.number, gamepadEvent.value); + + if (gamepadEvent.number < MAX_GAMEPAD_AXIS) + { + // NOTE: Scaling of gamepadEvent.value to get values between -1..1 + CORE.Input.Gamepad.axisState[i][gamepadEvent.number] = (float)gamepadEvent.value/32768; + } + } + } + else + { + usleep(1000); //Sleep for 1ms to avoid hogging CPU time + } + } + } + + return NULL; +} +#endif // PLATFORM_RPI diff --git a/src/raylib.h b/src/raylib.h index 5e70d8013..6367ef691 100644 --- a/src/raylib.h +++ b/src/raylib.h @@ -1,1468 +1,1469 @@ -/********************************************************************************************** -* -* raylib - A simple and easy-to-use library to enjoy videogames programming (www.raylib.com) -* -* FEATURES: -* - NO external dependencies, all required libraries included with raylib -* - Multiplatform: Windows, Linux, FreeBSD, OpenBSD, NetBSD, DragonFly, MacOS, UWP, Android, Raspberry Pi, HTML5. -* - Written in plain C code (C99) in PascalCase/camelCase notation -* - Hardware accelerated with OpenGL (1.1, 2.1, 3.3 or ES2 - choose at compile) -* - Unique OpenGL abstraction layer (usable as standalone module): [rlgl] -* - Multiple Fonts formats supported (TTF, XNA fonts, AngelCode fonts) -* - Outstanding texture formats support, including compressed formats (DXT, ETC, ASTC) -* - Full 3d support for 3d Shapes, Models, Billboards, Heightmaps and more! -* - Flexible Materials system, supporting classic maps and PBR maps -* - Skeletal Animation support (CPU bones-based animation) -* - Shaders support, including Model shaders and Postprocessing shaders -* - Powerful math module for Vector, Matrix and Quaternion operations: [raymath] -* - Audio loading and playing with streaming support (WAV, OGG, MP3, FLAC, XM, MOD) -* - VR stereo rendering with configurable HMD device parameters -* - Bindings to multiple programming languages available! -* -* NOTES: -* One custom font is loaded by default when InitWindow() [core] -* If using OpenGL 3.3 or ES2, one default shader is loaded automatically (internally defined) [rlgl] -* If using OpenGL 3.3 or ES2, several vertex buffers (VAO/VBO) are created to manage lines-triangles-quads -* -* DEPENDENCIES (included): -* [core] rglfw (github.com/glfw/glfw) for window/context management and input (only PLATFORM_DESKTOP) -* [rlgl] glad (github.com/Dav1dde/glad) for OpenGL 3.3 extensions loading (only PLATFORM_DESKTOP) -* [raudio] miniaudio (github.com/dr-soft/miniaudio) for audio device/context management -* -* OPTIONAL DEPENDENCIES (included): -* [core] rgif (Charlie Tangora, Ramon Santamaria) for GIF recording -* [textures] stb_image (Sean Barret) for images loading (BMP, TGA, PNG, JPEG, HDR...) -* [textures] stb_image_write (Sean Barret) for image writting (BMP, TGA, PNG, JPG) -* [textures] stb_image_resize (Sean Barret) for image resizing algorithms -* [textures] stb_perlin (Sean Barret) for Perlin noise image generation -* [text] stb_truetype (Sean Barret) for ttf fonts loading -* [text] stb_rect_pack (Sean Barret) for rectangles packing -* [models] par_shapes (Philip Rideout) for parametric 3d shapes generation -* [models] tinyobj_loader_c (Syoyo Fujita) for models loading (OBJ, MTL) -* [models] cgltf (Johannes Kuhlmann) for models loading (glTF) -* [raudio] stb_vorbis (Sean Barret) for OGG audio loading -* [raudio] dr_flac (David Reid) for FLAC audio file loading -* [raudio] dr_mp3 (David Reid) for MP3 audio file loading -* [raudio] jar_xm (Joshua Reisenauer) for XM audio module loading -* [raudio] jar_mod (Joshua Reisenauer) for MOD audio module loading -* -* -* LICENSE: zlib/libpng -* -* raylib is licensed under an unmodified zlib/libpng license, which is an OSI-certified, -* BSD-like license that allows static linking with closed source software: -* -* Copyright (c) 2013-2020 Ramon Santamaria (@raysan5) -* -* This software is provided "as-is", without any express or implied warranty. In no event -* will the authors be held liable for any damages arising from the use of this software. -* -* Permission is granted to anyone to use this software for any purpose, including commercial -* applications, and to alter it and redistribute it freely, subject to the following restrictions: -* -* 1. The origin of this software must not be misrepresented; you must not claim that you -* wrote the original software. If you use this software in a product, an acknowledgment -* in the product documentation would be appreciated but is not required. -* -* 2. Altered source versions must be plainly marked as such, and must not be misrepresented -* as being the original software. -* -* 3. This notice may not be removed or altered from any source distribution. -* -**********************************************************************************************/ - -#ifndef RAYLIB_H -#define RAYLIB_H - -#include // Required for: va_list - Only used by TraceLogCallback - -#if defined(_WIN32) - // Microsoft attibutes to tell compiler that symbols are imported/exported from a .dll - #if defined(BUILD_LIBTYPE_SHARED) - #define RLAPI __declspec(dllexport) // We are building raylib as a Win32 shared library (.dll) - #elif defined(USE_LIBTYPE_SHARED) - #define RLAPI __declspec(dllimport) // We are using raylib as a Win32 shared library (.dll) - #else - #define RLAPI // We are building or using raylib as a static library - #endif -#else - #define RLAPI // We are building or using raylib as a static library (or Linux shared library) -#endif - -//---------------------------------------------------------------------------------- -// Some basic Defines -//---------------------------------------------------------------------------------- -#ifndef PI - #define PI 3.14159265358979323846f -#endif - -#define DEG2RAD (PI/180.0f) -#define RAD2DEG (180.0f/PI) - -// Allow custom memory allocators -#ifndef RL_MALLOC - #define RL_MALLOC(sz) malloc(sz) -#endif -#ifndef RL_CALLOC - #define RL_CALLOC(n,sz) calloc(n,sz) -#endif -#ifndef RL_REALLOC - #define RL_REALLOC(ptr,sz) realloc(ptr,sz) -#endif -#ifndef RL_FREE - #define RL_FREE(ptr) free(ptr) -#endif - -// NOTE: MSC C++ compiler does not support compound literals (C99 feature) -// Plain structures in C++ (without constructors) can be initialized from { } initializers. -#if defined(__cplusplus) - #define CLITERAL(type) type -#else - #define CLITERAL(type) (type) -#endif - -// Some Basic Colors -// NOTE: Custom raylib color palette for amazing visuals on WHITE background -#define LIGHTGRAY CLITERAL(Color){ 200, 200, 200, 255 } // Light Gray -#define GRAY CLITERAL(Color){ 130, 130, 130, 255 } // Gray -#define DARKGRAY CLITERAL(Color){ 80, 80, 80, 255 } // Dark Gray -#define YELLOW CLITERAL(Color){ 253, 249, 0, 255 } // Yellow -#define GOLD CLITERAL(Color){ 255, 203, 0, 255 } // Gold -#define ORANGE CLITERAL(Color){ 255, 161, 0, 255 } // Orange -#define PINK CLITERAL(Color){ 255, 109, 194, 255 } // Pink -#define RED CLITERAL(Color){ 230, 41, 55, 255 } // Red -#define MAROON CLITERAL(Color){ 190, 33, 55, 255 } // Maroon -#define GREEN CLITERAL(Color){ 0, 228, 48, 255 } // Green -#define LIME CLITERAL(Color){ 0, 158, 47, 255 } // Lime -#define DARKGREEN CLITERAL(Color){ 0, 117, 44, 255 } // Dark Green -#define SKYBLUE CLITERAL(Color){ 102, 191, 255, 255 } // Sky Blue -#define BLUE CLITERAL(Color){ 0, 121, 241, 255 } // Blue -#define DARKBLUE CLITERAL(Color){ 0, 82, 172, 255 } // Dark Blue -#define PURPLE CLITERAL(Color){ 200, 122, 255, 255 } // Purple -#define VIOLET CLITERAL(Color){ 135, 60, 190, 255 } // Violet -#define DARKPURPLE CLITERAL(Color){ 112, 31, 126, 255 } // Dark Purple -#define BEIGE CLITERAL(Color){ 211, 176, 131, 255 } // Beige -#define BROWN CLITERAL(Color){ 127, 106, 79, 255 } // Brown -#define DARKBROWN CLITERAL(Color){ 76, 63, 47, 255 } // Dark Brown - -#define WHITE CLITERAL(Color){ 255, 255, 255, 255 } // White -#define BLACK CLITERAL(Color){ 0, 0, 0, 255 } // Black -#define BLANK CLITERAL(Color){ 0, 0, 0, 0 } // Blank (Transparent) -#define MAGENTA CLITERAL(Color){ 255, 0, 255, 255 } // Magenta -#define RAYWHITE CLITERAL(Color){ 245, 245, 245, 255 } // My own White (raylib logo) - -// Temporal hack to avoid breaking old codebases using -// deprecated raylib implementation of these functions -#define FormatText TextFormat -#define SubText TextSubtext -#define ShowWindow UnhideWindow -#define LoadText LoadFileText - -//---------------------------------------------------------------------------------- -// Structures Definition -//---------------------------------------------------------------------------------- -// Boolean type -#if defined(__STDC__) && __STDC_VERSION__ >= 199901L - #include -#elif !defined(__cplusplus) && !defined(bool) - typedef enum { false, true } bool; -#endif - -// Vector2 type -typedef struct Vector2 { - float x; - float y; -} Vector2; - -// Vector3 type -typedef struct Vector3 { - float x; - float y; - float z; -} Vector3; - -// Vector4 type -typedef struct Vector4 { - float x; - float y; - float z; - float w; -} Vector4; - -// Quaternion type, same as Vector4 -typedef Vector4 Quaternion; - -// Matrix type (OpenGL style 4x4 - right handed, column major) -typedef struct Matrix { - float m0, m4, m8, m12; - float m1, m5, m9, m13; - float m2, m6, m10, m14; - float m3, m7, m11, m15; -} Matrix; - -// Color type, RGBA (32bit) -typedef struct Color { - unsigned char r; - unsigned char g; - unsigned char b; - unsigned char a; -} Color; - -// Rectangle type -typedef struct Rectangle { - float x; - float y; - float width; - float height; -} Rectangle; - -// Image type, bpp always RGBA (32bit) -// NOTE: Data stored in CPU memory (RAM) -typedef struct Image { - void *data; // Image raw data - int width; // Image base width - int height; // Image base height - int mipmaps; // Mipmap levels, 1 by default - int format; // Data format (PixelFormat type) -} Image; - -// Texture2D type -// NOTE: Data stored in GPU memory -typedef struct Texture2D { - unsigned int id; // OpenGL texture id - int width; // Texture base width - int height; // Texture base height - int mipmaps; // Mipmap levels, 1 by default - int format; // Data format (PixelFormat type) -} Texture2D; - -// Texture type, same as Texture2D -typedef Texture2D Texture; - -// TextureCubemap type, actually, same as Texture2D -typedef Texture2D TextureCubemap; - -// RenderTexture2D type, for texture rendering -typedef struct RenderTexture2D { - unsigned int id; // OpenGL Framebuffer Object (FBO) id - Texture2D texture; // Color buffer attachment texture - Texture2D depth; // Depth buffer attachment texture - bool depthTexture; // Track if depth attachment is a texture or renderbuffer -} RenderTexture2D; - -// RenderTexture type, same as RenderTexture2D -typedef RenderTexture2D RenderTexture; - -// N-Patch layout info -typedef struct NPatchInfo { - Rectangle sourceRec; // Region in the texture - int left; // left border offset - int top; // top border offset - int right; // right border offset - int bottom; // bottom border offset - int type; // layout of the n-patch: 3x3, 1x3 or 3x1 -} NPatchInfo; - -// Font character info -typedef struct CharInfo { - int value; // Character value (Unicode) - int offsetX; // Character offset X when drawing - int offsetY; // Character offset Y when drawing - int advanceX; // Character advance position X - Image image; // Character image data -} CharInfo; - -// Font type, includes texture and charSet array data -typedef struct Font { - int baseSize; // Base size (default chars height) - int charsCount; // Number of characters - Texture2D texture; // Characters texture atlas - Rectangle *recs; // Characters rectangles in texture - CharInfo *chars; // Characters info data -} Font; - -#define SpriteFont Font // SpriteFont type fallback, defaults to Font - -// Camera type, defines a camera position/orientation in 3d space -typedef struct Camera3D { - Vector3 position; // Camera position - Vector3 target; // Camera target it looks-at - Vector3 up; // Camera up vector (rotation over its axis) - float fovy; // Camera field-of-view apperture in Y (degrees) in perspective, used as near plane width in orthographic - int type; // Camera type, defines projection type: CAMERA_PERSPECTIVE or CAMERA_ORTHOGRAPHIC -} Camera3D; - -typedef Camera3D Camera; // Camera type fallback, defaults to Camera3D - -// Camera2D type, defines a 2d camera -typedef struct Camera2D { - Vector2 offset; // Camera offset (displacement from target) - Vector2 target; // Camera target (rotation and zoom origin) - float rotation; // Camera rotation in degrees - float zoom; // Camera zoom (scaling), should be 1.0f by default -} Camera2D; - -// Vertex data definning a mesh -// NOTE: Data stored in CPU memory (and GPU) -typedef struct Mesh { - int vertexCount; // Number of vertices stored in arrays - int triangleCount; // Number of triangles stored (indexed or not) - - // Default vertex data - float *vertices; // Vertex position (XYZ - 3 components per vertex) (shader-location = 0) - float *texcoords; // Vertex texture coordinates (UV - 2 components per vertex) (shader-location = 1) - float *texcoords2; // Vertex second texture coordinates (useful for lightmaps) (shader-location = 5) - float *normals; // Vertex normals (XYZ - 3 components per vertex) (shader-location = 2) - float *tangents; // Vertex tangents (XYZW - 4 components per vertex) (shader-location = 4) - unsigned char *colors; // Vertex colors (RGBA - 4 components per vertex) (shader-location = 3) - unsigned short *indices;// Vertex indices (in case vertex data comes indexed) - - // Animation vertex data - float *animVertices; // Animated vertex positions (after bones transformations) - float *animNormals; // Animated normals (after bones transformations) - int *boneIds; // Vertex bone ids, up to 4 bones influence by vertex (skinning) - float *boneWeights; // Vertex bone weight, up to 4 bones influence by vertex (skinning) - - // OpenGL identifiers - unsigned int vaoId; // OpenGL Vertex Array Object id - unsigned int *vboId; // OpenGL Vertex Buffer Objects id (default vertex data) -} Mesh; - -// Shader type (generic) -typedef struct Shader { - unsigned int id; // Shader program id - int *locs; // Shader locations array (MAX_SHADER_LOCATIONS) -} Shader; - -// Material texture map -typedef struct MaterialMap { - Texture2D texture; // Material map texture - Color color; // Material map color - float value; // Material map value -} MaterialMap; - -// Material type (generic) -typedef struct Material { - Shader shader; // Material shader - MaterialMap *maps; // Material maps array (MAX_MATERIAL_MAPS) - float *params; // Material generic parameters (if required) -} Material; - -// Transformation properties -typedef struct Transform { - Vector3 translation; // Translation - Quaternion rotation; // Rotation - Vector3 scale; // Scale -} Transform; - -// Bone information -typedef struct BoneInfo { - char name[32]; // Bone name - int parent; // Bone parent -} BoneInfo; - -// Model type -typedef struct Model { - Matrix transform; // Local transform matrix - - int meshCount; // Number of meshes - Mesh *meshes; // Meshes array - - int materialCount; // Number of materials - Material *materials; // Materials array - int *meshMaterial; // Mesh material number - - // Animation data - int boneCount; // Number of bones - BoneInfo *bones; // Bones information (skeleton) - Transform *bindPose; // Bones base transformation (pose) -} Model; - -// Model animation -typedef struct ModelAnimation { - int boneCount; // Number of bones - BoneInfo *bones; // Bones information (skeleton) - - int frameCount; // Number of animation frames - Transform **framePoses; // Poses array by frame -} ModelAnimation; - -// Ray type (useful for raycast) -typedef struct Ray { - Vector3 position; // Ray position (origin) - Vector3 direction; // Ray direction -} Ray; - -// Raycast hit information -typedef struct RayHitInfo { - bool hit; // Did the ray hit something? - float distance; // Distance to nearest hit - Vector3 position; // Position of nearest hit - Vector3 normal; // Surface normal of hit -} RayHitInfo; - -// Bounding box type -typedef struct BoundingBox { - Vector3 min; // Minimum vertex box-corner - Vector3 max; // Maximum vertex box-corner -} BoundingBox; - -// Wave type, defines audio wave data -typedef struct Wave { - unsigned int sampleCount; // Total number of samples - unsigned int sampleRate; // Frequency (samples per second) - unsigned int sampleSize; // Bit depth (bits per sample): 8, 16, 32 (24 not supported) - unsigned int channels; // Number of channels (1-mono, 2-stereo) - void *data; // Buffer data pointer -} Wave; - -typedef struct rAudioBuffer rAudioBuffer; - -// Audio stream type -// NOTE: Useful to create custom audio streams not bound to a specific file -typedef struct AudioStream { - unsigned int sampleRate; // Frequency (samples per second) - unsigned int sampleSize; // Bit depth (bits per sample): 8, 16, 32 (24 not supported) - unsigned int channels; // Number of channels (1-mono, 2-stereo) - - rAudioBuffer *buffer; // Pointer to internal data used by the audio system -} AudioStream; - -// Sound source type -typedef struct Sound { - unsigned int sampleCount; // Total number of samples - AudioStream stream; // Audio stream -} Sound; - -// Music stream type (audio file streaming from memory) -// NOTE: Anything longer than ~10 seconds should be streamed -typedef struct Music { - int ctxType; // Type of music context (audio filetype) - void *ctxData; // Audio context data, depends on type - - bool looping; // Music looping enable - unsigned int sampleCount; // Total number of samples - - AudioStream stream; // Audio stream -} Music; - -// Head-Mounted-Display device parameters -typedef struct VrDeviceInfo { - int hResolution; // HMD horizontal resolution in pixels - int vResolution; // HMD vertical resolution in pixels - float hScreenSize; // HMD horizontal size in meters - float vScreenSize; // HMD vertical size in meters - float vScreenCenter; // HMD screen center in meters - float eyeToScreenDistance; // HMD distance between eye and display in meters - float lensSeparationDistance; // HMD lens separation distance in meters - float interpupillaryDistance; // HMD IPD (distance between pupils) in meters - float lensDistortionValues[4]; // HMD lens distortion constant parameters - float chromaAbCorrection[4]; // HMD chromatic aberration correction parameters -} VrDeviceInfo; - -//---------------------------------------------------------------------------------- -// Enumerators Definition -//---------------------------------------------------------------------------------- -// System config flags -// NOTE: Used for bit masks -typedef enum { - FLAG_RESERVED = 1, // Reserved - FLAG_FULLSCREEN_MODE = 2, // Set to run program in fullscreen - FLAG_WINDOW_RESIZABLE = 4, // Set to allow resizable window - FLAG_WINDOW_UNDECORATED = 8, // Set to disable window decoration (frame and buttons) - FLAG_WINDOW_TRANSPARENT = 16, // Set to allow transparent window - FLAG_WINDOW_HIDDEN = 128, // Set to create the window initially hidden - FLAG_WINDOW_ALWAYS_RUN = 256, // Set to allow windows running while minimized - FLAG_MSAA_4X_HINT = 32, // Set to try enabling MSAA 4X - FLAG_VSYNC_HINT = 64 // Set to try enabling V-Sync on GPU -} ConfigFlag; - -// Trace log type -typedef enum { - LOG_ALL = 0, // Display all logs - LOG_TRACE, - LOG_DEBUG, - LOG_INFO, - LOG_WARNING, - LOG_ERROR, - LOG_FATAL, - LOG_NONE // Disable logging -} TraceLogType; - -// Keyboard keys -typedef enum { - // Alphanumeric keys - KEY_APOSTROPHE = 39, - KEY_COMMA = 44, - KEY_MINUS = 45, - KEY_PERIOD = 46, - KEY_SLASH = 47, - KEY_ZERO = 48, - KEY_ONE = 49, - KEY_TWO = 50, - KEY_THREE = 51, - KEY_FOUR = 52, - KEY_FIVE = 53, - KEY_SIX = 54, - KEY_SEVEN = 55, - KEY_EIGHT = 56, - KEY_NINE = 57, - KEY_SEMICOLON = 59, - KEY_EQUAL = 61, - KEY_A = 65, - KEY_B = 66, - KEY_C = 67, - KEY_D = 68, - KEY_E = 69, - KEY_F = 70, - KEY_G = 71, - KEY_H = 72, - KEY_I = 73, - KEY_J = 74, - KEY_K = 75, - KEY_L = 76, - KEY_M = 77, - KEY_N = 78, - KEY_O = 79, - KEY_P = 80, - KEY_Q = 81, - KEY_R = 82, - KEY_S = 83, - KEY_T = 84, - KEY_U = 85, - KEY_V = 86, - KEY_W = 87, - KEY_X = 88, - KEY_Y = 89, - KEY_Z = 90, - - // Function keys - KEY_SPACE = 32, - KEY_ESCAPE = 256, - KEY_ENTER = 257, - KEY_TAB = 258, - KEY_BACKSPACE = 259, - KEY_INSERT = 260, - KEY_DELETE = 261, - KEY_RIGHT = 262, - KEY_LEFT = 263, - KEY_DOWN = 264, - KEY_UP = 265, - KEY_PAGE_UP = 266, - KEY_PAGE_DOWN = 267, - KEY_HOME = 268, - KEY_END = 269, - KEY_CAPS_LOCK = 280, - KEY_SCROLL_LOCK = 281, - KEY_NUM_LOCK = 282, - KEY_PRINT_SCREEN = 283, - KEY_PAUSE = 284, - KEY_F1 = 290, - KEY_F2 = 291, - KEY_F3 = 292, - KEY_F4 = 293, - KEY_F5 = 294, - KEY_F6 = 295, - KEY_F7 = 296, - KEY_F8 = 297, - KEY_F9 = 298, - KEY_F10 = 299, - KEY_F11 = 300, - KEY_F12 = 301, - KEY_LEFT_SHIFT = 340, - KEY_LEFT_CONTROL = 341, - KEY_LEFT_ALT = 342, - KEY_LEFT_SUPER = 343, - KEY_RIGHT_SHIFT = 344, - KEY_RIGHT_CONTROL = 345, - KEY_RIGHT_ALT = 346, - KEY_RIGHT_SUPER = 347, - KEY_KB_MENU = 348, - KEY_LEFT_BRACKET = 91, - KEY_BACKSLASH = 92, - KEY_RIGHT_BRACKET = 93, - KEY_GRAVE = 96, - - // Keypad keys - KEY_KP_0 = 320, - KEY_KP_1 = 321, - KEY_KP_2 = 322, - KEY_KP_3 = 323, - KEY_KP_4 = 324, - KEY_KP_5 = 325, - KEY_KP_6 = 326, - KEY_KP_7 = 327, - KEY_KP_8 = 328, - KEY_KP_9 = 329, - KEY_KP_DECIMAL = 330, - KEY_KP_DIVIDE = 331, - KEY_KP_MULTIPLY = 332, - KEY_KP_SUBTRACT = 333, - KEY_KP_ADD = 334, - KEY_KP_ENTER = 335, - KEY_KP_EQUAL = 336 -} KeyboardKey; - -// Android buttons -typedef enum { - KEY_BACK = 4, - KEY_MENU = 82, - KEY_VOLUME_UP = 24, - KEY_VOLUME_DOWN = 25 -} AndroidButton; - -// Mouse buttons -typedef enum { - MOUSE_LEFT_BUTTON = 0, - MOUSE_RIGHT_BUTTON = 1, - MOUSE_MIDDLE_BUTTON = 2 -} MouseButton; - -// Gamepad number -typedef enum { - GAMEPAD_PLAYER1 = 0, - GAMEPAD_PLAYER2 = 1, - GAMEPAD_PLAYER3 = 2, - GAMEPAD_PLAYER4 = 3 -} GamepadNumber; - -// Gamepad Buttons -typedef enum { - // This is here just for error checking - GAMEPAD_BUTTON_UNKNOWN = 0, - - // This is normally a DPAD - GAMEPAD_BUTTON_LEFT_FACE_UP, - GAMEPAD_BUTTON_LEFT_FACE_RIGHT, - GAMEPAD_BUTTON_LEFT_FACE_DOWN, - GAMEPAD_BUTTON_LEFT_FACE_LEFT, - - // This normally corresponds with PlayStation and Xbox controllers - // XBOX: [Y,X,A,B] - // PS3: [Triangle,Square,Cross,Circle] - // No support for 6 button controllers though.. - GAMEPAD_BUTTON_RIGHT_FACE_UP, - GAMEPAD_BUTTON_RIGHT_FACE_RIGHT, - GAMEPAD_BUTTON_RIGHT_FACE_DOWN, - GAMEPAD_BUTTON_RIGHT_FACE_LEFT, - - // Triggers - GAMEPAD_BUTTON_LEFT_TRIGGER_1, - GAMEPAD_BUTTON_LEFT_TRIGGER_2, - GAMEPAD_BUTTON_RIGHT_TRIGGER_1, - GAMEPAD_BUTTON_RIGHT_TRIGGER_2, - - // These are buttons in the center of the gamepad - GAMEPAD_BUTTON_MIDDLE_LEFT, //PS3 Select - GAMEPAD_BUTTON_MIDDLE, //PS Button/XBOX Button - GAMEPAD_BUTTON_MIDDLE_RIGHT, //PS3 Start - - // These are the joystick press in buttons - GAMEPAD_BUTTON_LEFT_THUMB, - GAMEPAD_BUTTON_RIGHT_THUMB -} GamepadButton; - -typedef enum { - // Left stick - GAMEPAD_AXIS_LEFT_X = 0, - GAMEPAD_AXIS_LEFT_Y = 1, - - // Right stick - GAMEPAD_AXIS_RIGHT_X = 2, - GAMEPAD_AXIS_RIGHT_Y = 3, - - // Pressure levels for the back triggers - GAMEPAD_AXIS_LEFT_TRIGGER = 4, // [1..-1] (pressure-level) - GAMEPAD_AXIS_RIGHT_TRIGGER = 5 // [1..-1] (pressure-level) -} GamepadAxis; - -// Shader location point type -typedef enum { - LOC_VERTEX_POSITION = 0, - LOC_VERTEX_TEXCOORD01, - LOC_VERTEX_TEXCOORD02, - LOC_VERTEX_NORMAL, - LOC_VERTEX_TANGENT, - LOC_VERTEX_COLOR, - LOC_MATRIX_MVP, - LOC_MATRIX_MODEL, - LOC_MATRIX_VIEW, - LOC_MATRIX_PROJECTION, - LOC_VECTOR_VIEW, - LOC_COLOR_DIFFUSE, - LOC_COLOR_SPECULAR, - LOC_COLOR_AMBIENT, - LOC_MAP_ALBEDO, // LOC_MAP_DIFFUSE - LOC_MAP_METALNESS, // LOC_MAP_SPECULAR - LOC_MAP_NORMAL, - LOC_MAP_ROUGHNESS, - LOC_MAP_OCCLUSION, - LOC_MAP_EMISSION, - LOC_MAP_HEIGHT, - LOC_MAP_CUBEMAP, - LOC_MAP_IRRADIANCE, - LOC_MAP_PREFILTER, - LOC_MAP_BRDF -} ShaderLocationIndex; - -#define LOC_MAP_DIFFUSE LOC_MAP_ALBEDO -#define LOC_MAP_SPECULAR LOC_MAP_METALNESS - -// Shader uniform data types -typedef enum { - UNIFORM_FLOAT = 0, - UNIFORM_VEC2, - UNIFORM_VEC3, - UNIFORM_VEC4, - UNIFORM_INT, - UNIFORM_IVEC2, - UNIFORM_IVEC3, - UNIFORM_IVEC4, - UNIFORM_SAMPLER2D -} ShaderUniformDataType; - -// Material map type -typedef enum { - MAP_ALBEDO = 0, // MAP_DIFFUSE - MAP_METALNESS = 1, // MAP_SPECULAR - MAP_NORMAL = 2, - MAP_ROUGHNESS = 3, - MAP_OCCLUSION, - MAP_EMISSION, - MAP_HEIGHT, - MAP_CUBEMAP, // NOTE: Uses GL_TEXTURE_CUBE_MAP - MAP_IRRADIANCE, // NOTE: Uses GL_TEXTURE_CUBE_MAP - MAP_PREFILTER, // NOTE: Uses GL_TEXTURE_CUBE_MAP - MAP_BRDF -} MaterialMapType; - -#define MAP_DIFFUSE MAP_ALBEDO -#define MAP_SPECULAR MAP_METALNESS - -// Pixel formats -// NOTE: Support depends on OpenGL version and platform -typedef enum { - UNCOMPRESSED_GRAYSCALE = 1, // 8 bit per pixel (no alpha) - UNCOMPRESSED_GRAY_ALPHA, // 8*2 bpp (2 channels) - UNCOMPRESSED_R5G6B5, // 16 bpp - UNCOMPRESSED_R8G8B8, // 24 bpp - UNCOMPRESSED_R5G5B5A1, // 16 bpp (1 bit alpha) - UNCOMPRESSED_R4G4B4A4, // 16 bpp (4 bit alpha) - UNCOMPRESSED_R8G8B8A8, // 32 bpp - UNCOMPRESSED_R32, // 32 bpp (1 channel - float) - UNCOMPRESSED_R32G32B32, // 32*3 bpp (3 channels - float) - UNCOMPRESSED_R32G32B32A32, // 32*4 bpp (4 channels - float) - COMPRESSED_DXT1_RGB, // 4 bpp (no alpha) - COMPRESSED_DXT1_RGBA, // 4 bpp (1 bit alpha) - COMPRESSED_DXT3_RGBA, // 8 bpp - COMPRESSED_DXT5_RGBA, // 8 bpp - COMPRESSED_ETC1_RGB, // 4 bpp - COMPRESSED_ETC2_RGB, // 4 bpp - COMPRESSED_ETC2_EAC_RGBA, // 8 bpp - COMPRESSED_PVRT_RGB, // 4 bpp - COMPRESSED_PVRT_RGBA, // 4 bpp - COMPRESSED_ASTC_4x4_RGBA, // 8 bpp - COMPRESSED_ASTC_8x8_RGBA // 2 bpp -} PixelFormat; - -// Texture parameters: filter mode -// NOTE 1: Filtering considers mipmaps if available in the texture -// NOTE 2: Filter is accordingly set for minification and magnification -typedef enum { - FILTER_POINT = 0, // No filter, just pixel aproximation - FILTER_BILINEAR, // Linear filtering - FILTER_TRILINEAR, // Trilinear filtering (linear with mipmaps) - FILTER_ANISOTROPIC_4X, // Anisotropic filtering 4x - FILTER_ANISOTROPIC_8X, // Anisotropic filtering 8x - FILTER_ANISOTROPIC_16X, // Anisotropic filtering 16x -} TextureFilterMode; - -// Cubemap layout type -typedef enum { - CUBEMAP_AUTO_DETECT = 0, // Automatically detect layout type - CUBEMAP_LINE_VERTICAL, // Layout is defined by a vertical line with faces - CUBEMAP_LINE_HORIZONTAL, // Layout is defined by an horizontal line with faces - CUBEMAP_CROSS_THREE_BY_FOUR, // Layout is defined by a 3x4 cross with cubemap faces - CUBEMAP_CROSS_FOUR_BY_THREE, // Layout is defined by a 4x3 cross with cubemap faces - CUBEMAP_PANORAMA // Layout is defined by a panorama image (equirectangular map) -} CubemapLayoutType; - -// Texture parameters: wrap mode -typedef enum { - WRAP_REPEAT = 0, // Repeats texture in tiled mode - WRAP_CLAMP, // Clamps texture to edge pixel in tiled mode - WRAP_MIRROR_REPEAT, // Mirrors and repeats the texture in tiled mode - WRAP_MIRROR_CLAMP // Mirrors and clamps to border the texture in tiled mode -} TextureWrapMode; - -// Font type, defines generation method -typedef enum { - FONT_DEFAULT = 0, // Default font generation, anti-aliased - FONT_BITMAP, // Bitmap font generation, no anti-aliasing - FONT_SDF // SDF font generation, requires external shader -} FontType; - -// Color blending modes (pre-defined) -typedef enum { - BLEND_ALPHA = 0, // Blend textures considering alpha (default) - BLEND_ADDITIVE, // Blend textures adding colors - BLEND_MULTIPLIED, // Blend textures multiplying colors - BLEND_ADD_COLORS // Blend textures adding colors (alternative) -} BlendMode; - -// Gestures type -// NOTE: It could be used as flags to enable only some gestures -typedef enum { - GESTURE_NONE = 0, - GESTURE_TAP = 1, - GESTURE_DOUBLETAP = 2, - GESTURE_HOLD = 4, - GESTURE_DRAG = 8, - GESTURE_SWIPE_RIGHT = 16, - GESTURE_SWIPE_LEFT = 32, - GESTURE_SWIPE_UP = 64, - GESTURE_SWIPE_DOWN = 128, - GESTURE_PINCH_IN = 256, - GESTURE_PINCH_OUT = 512 -} GestureType; - -// Camera system modes -typedef enum { - CAMERA_CUSTOM = 0, - CAMERA_FREE, - CAMERA_ORBITAL, - CAMERA_FIRST_PERSON, - CAMERA_THIRD_PERSON -} CameraMode; - -// Camera projection modes -typedef enum { - CAMERA_PERSPECTIVE = 0, - CAMERA_ORTHOGRAPHIC -} CameraType; - -// Type of n-patch -typedef enum { - NPT_9PATCH = 0, // Npatch defined by 3x3 tiles - NPT_3PATCH_VERTICAL, // Npatch defined by 1x3 tiles - NPT_3PATCH_HORIZONTAL // Npatch defined by 3x1 tiles -} NPatchType; - -// Callbacks to be implemented by users -typedef void (*TraceLogCallback)(int logType, const char *text, va_list args); - -#if defined(__cplusplus) -extern "C" { // Prevents name mangling of functions -#endif - -//------------------------------------------------------------------------------------ -// Global Variables Definition -//------------------------------------------------------------------------------------ -// It's lonely here... - -//------------------------------------------------------------------------------------ -// Window and Graphics Device Functions (Module: core) -//------------------------------------------------------------------------------------ - -// Window-related functions -RLAPI void InitWindow(int width, int height, const char *title); // Initialize window and OpenGL context -RLAPI bool WindowShouldClose(void); // Check if KEY_ESCAPE pressed or Close icon pressed -RLAPI void CloseWindow(void); // Close window and unload OpenGL context -RLAPI bool IsWindowReady(void); // Check if window has been initialized successfully -RLAPI bool IsWindowMinimized(void); // Check if window has been minimized -RLAPI bool IsWindowFocused(void); // Check if window has been focused -RLAPI bool IsWindowResized(void); // Check if window has been resized -RLAPI bool IsWindowHidden(void); // Check if window is currently hidden -RLAPI bool IsWindowFullscreen(void); // Check if window is currently fullscreen -RLAPI void ToggleFullscreen(void); // Toggle fullscreen mode (only PLATFORM_DESKTOP) -RLAPI void UnhideWindow(void); // Show the window -RLAPI void HideWindow(void); // Hide the window -RLAPI void SetWindowIcon(Image image); // Set icon for window (only PLATFORM_DESKTOP) -RLAPI void SetWindowTitle(const char *title); // Set title for window (only PLATFORM_DESKTOP) -RLAPI void SetWindowPosition(int x, int y); // Set window position on screen (only PLATFORM_DESKTOP) -RLAPI void SetWindowMonitor(int monitor); // Set monitor for the current window (fullscreen mode) -RLAPI void SetWindowMinSize(int width, int height); // Set window minimum dimensions (for FLAG_WINDOW_RESIZABLE) -RLAPI void SetWindowSize(int width, int height); // Set window dimensions -RLAPI void *GetWindowHandle(void); // Get native window handle -RLAPI int GetScreenWidth(void); // Get current screen width -RLAPI int GetScreenHeight(void); // Get current screen height -RLAPI int GetMonitorCount(void); // Get number of connected monitors -RLAPI int GetMonitorWidth(int monitor); // Get primary monitor width -RLAPI int GetMonitorHeight(int monitor); // Get primary monitor height -RLAPI int GetMonitorPhysicalWidth(int monitor); // Get primary monitor physical width in millimetres -RLAPI int GetMonitorPhysicalHeight(int monitor); // Get primary monitor physical height in millimetres -RLAPI Vector2 GetWindowPosition(void); // Get window position XY on monitor -RLAPI Vector2 GetWindowScaleDPI(void); // Get window scale DPI factor -RLAPI const char *GetMonitorName(int monitor); // Get the human-readable, UTF-8 encoded name of the primary monitor -RLAPI const char *GetClipboardText(void); // Get clipboard text content -RLAPI void SetClipboardText(const char *text); // Set clipboard text content - -// Cursor-related functions -RLAPI void ShowCursor(void); // Shows cursor -RLAPI void HideCursor(void); // Hides cursor -RLAPI bool IsCursorHidden(void); // Check if cursor is not visible -RLAPI void EnableCursor(void); // Enables cursor (unlock cursor) -RLAPI void DisableCursor(void); // Disables cursor (lock cursor) -RLAPI bool IsCursorOnScreen(void); // Check if cursor is on the current screen. - -// Drawing-related functions -RLAPI void ClearBackground(Color color); // Set background color (framebuffer clear color) -RLAPI void BeginDrawing(void); // Setup canvas (framebuffer) to start drawing -RLAPI void EndDrawing(void); // End canvas drawing and swap buffers (double buffering) -RLAPI void BeginMode2D(Camera2D camera); // Initialize 2D mode with custom camera (2D) -RLAPI void EndMode2D(void); // Ends 2D mode with custom camera -RLAPI void BeginMode3D(Camera3D camera); // Initializes 3D mode with custom camera (3D) -RLAPI void EndMode3D(void); // Ends 3D mode and returns to default 2D orthographic mode -RLAPI void BeginTextureMode(RenderTexture2D target); // Initializes render texture for drawing -RLAPI void EndTextureMode(void); // Ends drawing to render texture -RLAPI void BeginScissorMode(int x, int y, int width, int height); // Begin scissor mode (define screen area for following drawing) -RLAPI void EndScissorMode(void); // End scissor mode - -// Screen-space-related functions -RLAPI Ray GetMouseRay(Vector2 mousePosition, Camera camera); // Returns a ray trace from mouse position -RLAPI Matrix GetCameraMatrix(Camera camera); // Returns camera transform matrix (view matrix) -RLAPI Matrix GetCameraMatrix2D(Camera2D camera); // Returns camera 2d transform matrix -RLAPI Vector2 GetWorldToScreen(Vector3 position, Camera camera); // Returns the screen space position for a 3d world space position -RLAPI Vector2 GetWorldToScreenEx(Vector3 position, Camera camera, int width, int height); // Returns size position for a 3d world space position -RLAPI Vector2 GetWorldToScreen2D(Vector2 position, Camera2D camera); // Returns the screen space position for a 2d camera world space position -RLAPI Vector2 GetScreenToWorld2D(Vector2 position, Camera2D camera); // Returns the world space position for a 2d camera screen space position - -// Timing-related functions -RLAPI void SetTargetFPS(int fps); // Set target FPS (maximum) -RLAPI int GetFPS(void); // Returns current FPS -RLAPI float GetFrameTime(void); // Returns time in seconds for last frame drawn -RLAPI double GetTime(void); // Returns elapsed time in seconds since InitWindow() - -// Color-related functions -RLAPI int ColorToInt(Color color); // Returns hexadecimal value for a Color -RLAPI Vector4 ColorNormalize(Color color); // Returns color normalized as float [0..1] -RLAPI Color ColorFromNormalized(Vector4 normalized); // Returns color from normalized values [0..1] -RLAPI Vector3 ColorToHSV(Color color); // Returns HSV values for a Color -RLAPI Color ColorFromHSV(Vector3 hsv); // Returns a Color from HSV values -RLAPI Color GetColor(int hexValue); // Returns a Color struct from hexadecimal value -RLAPI Color Fade(Color color, float alpha); // Color fade-in or fade-out, alpha goes from 0.0f to 1.0f - -// Misc. functions -RLAPI void SetConfigFlags(unsigned int flags); // Setup window configuration flags (view FLAGS) -RLAPI void SetTraceLogLevel(int logType); // Set the current threshold (minimum) log level -RLAPI void SetTraceLogExit(int logType); // Set the exit threshold (minimum) log level -RLAPI void SetTraceLogCallback(TraceLogCallback callback); // Set a trace log callback to enable custom logging -RLAPI void TraceLog(int logType, const char *text, ...); // Show trace log messages (LOG_DEBUG, LOG_INFO, LOG_WARNING, LOG_ERROR) -RLAPI void TakeScreenshot(const char *fileName); // Takes a screenshot of current screen (saved a .png) -RLAPI int GetRandomValue(int min, int max); // Returns a random value between min and max (both included) - -// Files management functions -RLAPI unsigned char *LoadFileData(const char *fileName, unsigned int *bytesRead); // Load file data as byte array (read) -RLAPI void SaveFileData(const char *fileName, void *data, unsigned int bytesToWrite); // Save data to file from byte array (write) -RLAPI char *LoadFileText(const char *fileName); // Load text data from file (read), returns a '\0' terminated string -RLAPI void SaveFileText(const char *fileName, char *text); // Save text data to file (write), string must be '\0' terminated -RLAPI bool FileExists(const char *fileName); // Check if file exists -RLAPI bool IsFileExtension(const char *fileName, const char *ext);// Check file extension -RLAPI bool DirectoryExists(const char *dirPath); // Check if a directory path exists -RLAPI const char *GetExtension(const char *fileName); // Get pointer to extension for a filename string -RLAPI const char *GetFileName(const char *filePath); // Get pointer to filename for a path string -RLAPI const char *GetFileNameWithoutExt(const char *filePath); // Get filename string without extension (uses static string) -RLAPI const char *GetDirectoryPath(const char *filePath); // Get full path for a given fileName with path (uses static string) -RLAPI const char *GetPrevDirectoryPath(const char *dirPath); // Get previous directory path for a given path (uses static string) -RLAPI const char *GetWorkingDirectory(void); // Get current working directory (uses static string) -RLAPI char **GetDirectoryFiles(const char *dirPath, int *count); // Get filenames in a directory path (memory should be freed) -RLAPI void ClearDirectoryFiles(void); // Clear directory files paths buffers (free memory) -RLAPI bool ChangeDirectory(const char *dir); // Change working directory, returns true if success -RLAPI bool IsFileDropped(void); // Check if a file has been dropped into window -RLAPI char **GetDroppedFiles(int *count); // Get dropped files names (memory should be freed) -RLAPI void ClearDroppedFiles(void); // Clear dropped files paths buffer (free memory) -RLAPI long GetFileModTime(const char *fileName); // Get file modification time (last write time) - -RLAPI unsigned char *CompressData(unsigned char *data, int dataLength, int *compDataLength); // Compress data (DEFLATE algorythm) -RLAPI unsigned char *DecompressData(unsigned char *compData, int compDataLength, int *dataLength); // Decompress data (DEFLATE algorythm) - -// Persistent storage management -RLAPI void SaveStorageValue(unsigned int position, int value); // Save integer value to storage file (to defined position) -RLAPI int LoadStorageValue(unsigned int position); // Load integer value from storage file (from defined position) - -RLAPI void OpenURL(const char *url); // Open URL with default system browser (if available) - -//------------------------------------------------------------------------------------ -// Input Handling Functions (Module: core) -//------------------------------------------------------------------------------------ - -// Input-related functions: keyboard -RLAPI bool IsKeyPressed(int key); // Detect if a key has been pressed once -RLAPI bool IsKeyDown(int key); // Detect if a key is being pressed -RLAPI bool IsKeyReleased(int key); // Detect if a key has been released once -RLAPI bool IsKeyUp(int key); // Detect if a key is NOT being pressed -RLAPI void SetExitKey(int key); // Set a custom key to exit program (default is ESC) -RLAPI int GetKeyPressed(void); // Get key pressed, call it multiple times for chars queued - -// Input-related functions: gamepads -RLAPI bool IsGamepadAvailable(int gamepad); // Detect if a gamepad is available -RLAPI bool IsGamepadName(int gamepad, const char *name); // Check gamepad name (if available) -RLAPI const char *GetGamepadName(int gamepad); // Return gamepad internal name id -RLAPI bool IsGamepadButtonPressed(int gamepad, int button); // Detect if a gamepad button has been pressed once -RLAPI bool IsGamepadButtonDown(int gamepad, int button); // Detect if a gamepad button is being pressed -RLAPI bool IsGamepadButtonReleased(int gamepad, int button); // Detect if a gamepad button has been released once -RLAPI bool IsGamepadButtonUp(int gamepad, int button); // Detect if a gamepad button is NOT being pressed -RLAPI int GetGamepadButtonPressed(void); // Get the last gamepad button pressed -RLAPI int GetGamepadAxisCount(int gamepad); // Return gamepad axis count for a gamepad -RLAPI float GetGamepadAxisMovement(int gamepad, int axis); // Return axis movement value for a gamepad axis - -// Input-related functions: mouse -RLAPI bool IsMouseButtonPressed(int button); // Detect if a mouse button has been pressed once -RLAPI bool IsMouseButtonDown(int button); // Detect if a mouse button is being pressed -RLAPI bool IsMouseButtonReleased(int button); // Detect if a mouse button has been released once -RLAPI bool IsMouseButtonUp(int button); // Detect if a mouse button is NOT being pressed -RLAPI int GetMouseX(void); // Returns mouse position X -RLAPI int GetMouseY(void); // Returns mouse position Y -RLAPI Vector2 GetMousePosition(void); // Returns mouse position XY -RLAPI void SetMousePosition(int x, int y); // Set mouse position XY -RLAPI void SetMouseOffset(int offsetX, int offsetY); // Set mouse offset -RLAPI void SetMouseScale(float scaleX, float scaleY); // Set mouse scaling -RLAPI int GetMouseWheelMove(void); // Returns mouse wheel movement Y - -// Input-related functions: touch -RLAPI int GetTouchX(void); // Returns touch position X for touch point 0 (relative to screen size) -RLAPI int GetTouchY(void); // Returns touch position Y for touch point 0 (relative to screen size) -RLAPI Vector2 GetTouchPosition(int index); // Returns touch position XY for a touch point index (relative to screen size) - -//------------------------------------------------------------------------------------ -// Gestures and Touch Handling Functions (Module: gestures) -//------------------------------------------------------------------------------------ -RLAPI void SetGesturesEnabled(unsigned int gestureFlags); // Enable a set of gestures using flags -RLAPI bool IsGestureDetected(int gesture); // Check if a gesture have been detected -RLAPI int GetGestureDetected(void); // Get latest detected gesture -RLAPI int GetTouchPointsCount(void); // Get touch points count -RLAPI float GetGestureHoldDuration(void); // Get gesture hold time in milliseconds -RLAPI Vector2 GetGestureDragVector(void); // Get gesture drag vector -RLAPI float GetGestureDragAngle(void); // Get gesture drag angle -RLAPI Vector2 GetGesturePinchVector(void); // Get gesture pinch delta -RLAPI float GetGesturePinchAngle(void); // Get gesture pinch angle - -//------------------------------------------------------------------------------------ -// Camera System Functions (Module: camera) -//------------------------------------------------------------------------------------ -RLAPI void SetCameraMode(Camera camera, int mode); // Set camera mode (multiple camera modes available) -RLAPI void UpdateCamera(Camera *camera); // Update camera position for selected mode - -RLAPI void SetCameraPanControl(int panKey); // Set camera pan key to combine with mouse movement (free camera) -RLAPI void SetCameraAltControl(int altKey); // Set camera alt key to combine with mouse movement (free camera) -RLAPI void SetCameraSmoothZoomControl(int szKey); // Set camera smooth zoom key to combine with mouse (free camera) -RLAPI void SetCameraMoveControls(int frontKey, int backKey, int rightKey, int leftKey, int upKey, int downKey); // Set camera move controls (1st person and 3rd person cameras) - -//------------------------------------------------------------------------------------ -// Basic Shapes Drawing Functions (Module: shapes) -//------------------------------------------------------------------------------------ - -// Basic shapes drawing functions -RLAPI void DrawPixel(int posX, int posY, Color color); // Draw a pixel -RLAPI void DrawPixelV(Vector2 position, Color color); // Draw a pixel (Vector version) -RLAPI void DrawLine(int startPosX, int startPosY, int endPosX, int endPosY, Color color); // Draw a line -RLAPI void DrawLineV(Vector2 startPos, Vector2 endPos, Color color); // Draw a line (Vector version) -RLAPI void DrawLineEx(Vector2 startPos, Vector2 endPos, float thick, Color color); // Draw a line defining thickness -RLAPI void DrawLineBezier(Vector2 startPos, Vector2 endPos, float thick, Color color); // Draw a line using cubic-bezier curves in-out -RLAPI void DrawLineStrip(Vector2 *points, int numPoints, Color color); // Draw lines sequence -RLAPI void DrawCircle(int centerX, int centerY, float radius, Color color); // Draw a color-filled circle -RLAPI void DrawCircleSector(Vector2 center, float radius, int startAngle, int endAngle, int segments, Color color); // Draw a piece of a circle -RLAPI void DrawCircleSectorLines(Vector2 center, float radius, int startAngle, int endAngle, int segments, Color color); // Draw circle sector outline -RLAPI void DrawCircleGradient(int centerX, int centerY, float radius, Color color1, Color color2); // Draw a gradient-filled circle -RLAPI void DrawCircleV(Vector2 center, float radius, Color color); // Draw a color-filled circle (Vector version) -RLAPI void DrawCircleLines(int centerX, int centerY, float radius, Color color); // Draw circle outline -RLAPI void DrawEllipse(int centerX, int centerY, float radiusH, float radiusV, Color color); // Draw ellipse -RLAPI void DrawEllipseLines(int centerX, int centerY, float radiusH, float radiusV, Color color); // Draw ellipse outline -RLAPI void DrawRing(Vector2 center, float innerRadius, float outerRadius, int startAngle, int endAngle, int segments, Color color); // Draw ring -RLAPI void DrawRingLines(Vector2 center, float innerRadius, float outerRadius, int startAngle, int endAngle, int segments, Color color); // Draw ring outline -RLAPI void DrawRectangle(int posX, int posY, int width, int height, Color color); // Draw a color-filled rectangle -RLAPI void DrawRectangleV(Vector2 position, Vector2 size, Color color); // Draw a color-filled rectangle (Vector version) -RLAPI void DrawRectangleRec(Rectangle rec, Color color); // Draw a color-filled rectangle -RLAPI void DrawRectanglePro(Rectangle rec, Vector2 origin, float rotation, Color color); // Draw a color-filled rectangle with pro parameters -RLAPI void DrawRectangleGradientV(int posX, int posY, int width, int height, Color color1, Color color2);// Draw a vertical-gradient-filled rectangle -RLAPI void DrawRectangleGradientH(int posX, int posY, int width, int height, Color color1, Color color2);// Draw a horizontal-gradient-filled rectangle -RLAPI void DrawRectangleGradientEx(Rectangle rec, Color col1, Color col2, Color col3, Color col4); // Draw a gradient-filled rectangle with custom vertex colors -RLAPI void DrawRectangleLines(int posX, int posY, int width, int height, Color color); // Draw rectangle outline -RLAPI void DrawRectangleLinesEx(Rectangle rec, int lineThick, Color color); // Draw rectangle outline with extended parameters -RLAPI void DrawRectangleRounded(Rectangle rec, float roundness, int segments, Color color); // Draw rectangle with rounded edges -RLAPI void DrawRectangleRoundedLines(Rectangle rec, float roundness, int segments, int lineThick, Color color); // Draw rectangle with rounded edges outline -RLAPI void DrawTriangle(Vector2 v1, Vector2 v2, Vector2 v3, Color color); // Draw a color-filled triangle (vertex in counter-clockwise order!) -RLAPI void DrawTriangleLines(Vector2 v1, Vector2 v2, Vector2 v3, Color color); // Draw triangle outline (vertex in counter-clockwise order!) -RLAPI void DrawTriangleFan(Vector2 *points, int numPoints, Color color); // Draw a triangle fan defined by points (first vertex is the center) -RLAPI void DrawTriangleStrip(Vector2 *points, int pointsCount, Color color); // Draw a triangle strip defined by points -RLAPI void DrawPoly(Vector2 center, int sides, float radius, float rotation, Color color); // Draw a regular polygon (Vector version) -RLAPI void DrawPolyLines(Vector2 center, int sides, float radius, float rotation, Color color); // Draw a polygon outline of n sides - -// Basic shapes collision detection functions -RLAPI bool CheckCollisionRecs(Rectangle rec1, Rectangle rec2); // Check collision between two rectangles -RLAPI bool CheckCollisionCircles(Vector2 center1, float radius1, Vector2 center2, float radius2); // Check collision between two circles -RLAPI bool CheckCollisionCircleRec(Vector2 center, float radius, Rectangle rec); // Check collision between circle and rectangle -RLAPI Rectangle GetCollisionRec(Rectangle rec1, Rectangle rec2); // Get collision rectangle for two rectangles collision -RLAPI bool CheckCollisionPointRec(Vector2 point, Rectangle rec); // Check if point is inside rectangle -RLAPI bool CheckCollisionPointCircle(Vector2 point, Vector2 center, float radius); // Check if point is inside circle -RLAPI bool CheckCollisionPointTriangle(Vector2 point, Vector2 p1, Vector2 p2, Vector2 p3); // Check if point is inside a triangle - -//------------------------------------------------------------------------------------ -// Texture Loading and Drawing Functions (Module: textures) -//------------------------------------------------------------------------------------ - -// Image loading functions -// NOTE: This functions do not require GPU access -RLAPI Image LoadImage(const char *fileName); // Load image from file into CPU memory (RAM) -RLAPI Image LoadImageEx(Color *pixels, int width, int height); // Load image from Color array data (RGBA - 32bit) -RLAPI Image LoadImageRaw(const char *fileName, int width, int height, int format, int headerSize); // Load image from RAW file data -RLAPI void UnloadImage(Image image); // Unload image from CPU memory (RAM) -RLAPI void ExportImage(Image image, const char *fileName); // Export image data to file -RLAPI void ExportImageAsCode(Image image, const char *fileName); // Export image as code file defining an array of bytes - -// Image generation functions -RLAPI Image GenImageColor(int width, int height, Color color); // Generate image: plain color -RLAPI Image GenImageGradientV(int width, int height, Color top, Color bottom); // Generate image: vertical gradient -RLAPI Image GenImageGradientH(int width, int height, Color left, Color right); // Generate image: horizontal gradient -RLAPI Image GenImageGradientRadial(int width, int height, float density, Color inner, Color outer); // Generate image: radial gradient -RLAPI Image GenImageChecked(int width, int height, int checksX, int checksY, Color col1, Color col2); // Generate image: checked -RLAPI Image GenImageWhiteNoise(int width, int height, float factor); // Generate image: white noise -RLAPI Image GenImagePerlinNoise(int width, int height, int offsetX, int offsetY, float scale); // Generate image: perlin noise -RLAPI Image GenImageCellular(int width, int height, int tileSize); // Generate image: cellular algorithm. Bigger tileSize means bigger cells - -// Image manipulation functions -RLAPI Image ImageCopy(Image image); // Create an image duplicate (useful for transformations) -RLAPI Image ImageFromImage(Image image, Rectangle rec); // Create an image from another image piece -RLAPI Image ImageText(const char *text, int fontSize, Color color); // Create an image from text (default font) -RLAPI Image ImageTextEx(Font font, const char *text, float fontSize, float spacing, Color tint); // Create an image from text (custom sprite font) -RLAPI void ImageFormat(Image *image, int newFormat); // Convert image data to desired format -RLAPI void ImageToPOT(Image *image, Color fill); // Convert image to POT (power-of-two) -RLAPI void ImageCrop(Image *image, Rectangle crop); // Crop an image to a defined rectangle -RLAPI void ImageAlphaCrop(Image *image, float threshold); // Crop image depending on alpha value -RLAPI void ImageAlphaClear(Image *image, Color color, float threshold); // Clear alpha channel to desired color -RLAPI void ImageAlphaMask(Image *image, Image alphaMask); // Apply alpha mask to image -RLAPI void ImageAlphaPremultiply(Image *image); // Premultiply alpha channel -RLAPI void ImageResize(Image *image, int newWidth, int newHeight); // Resize image (Bicubic scaling algorithm) -RLAPI void ImageResizeNN(Image *image, int newWidth,int newHeight); // Resize image (Nearest-Neighbor scaling algorithm) -RLAPI void ImageResizeCanvas(Image *image, int newWidth, int newHeight, int offsetX, int offsetY, Color fill); // Resize canvas and fill with color -RLAPI void ImageMipmaps(Image *image); // Generate all mipmap levels for a provided image -RLAPI void ImageDither(Image *image, int rBpp, int gBpp, int bBpp, int aBpp); // Dither image data to 16bpp or lower (Floyd-Steinberg dithering) -RLAPI void ImageFlipVertical(Image *image); // Flip image vertically -RLAPI void ImageFlipHorizontal(Image *image); // Flip image horizontally -RLAPI void ImageRotateCW(Image *image); // Rotate image clockwise 90deg -RLAPI void ImageRotateCCW(Image *image); // Rotate image counter-clockwise 90deg -RLAPI void ImageColorTint(Image *image, Color color); // Modify image color: tint -RLAPI void ImageColorInvert(Image *image); // Modify image color: invert -RLAPI void ImageColorGrayscale(Image *image); // Modify image color: grayscale -RLAPI void ImageColorContrast(Image *image, float contrast); // Modify image color: contrast (-100 to 100) -RLAPI void ImageColorBrightness(Image *image, int brightness); // Modify image color: brightness (-255 to 255) -RLAPI void ImageColorReplace(Image *image, Color color, Color replace); // Modify image color: replace color - -RLAPI Color *GetImageData(Image image); // Get pixel data from image as a Color struct array -RLAPI Color *GetImagePalette(Image image, int maxPaletteSize, int *extractCount); // Get color palette from image to maximum size (memory should be freed) -RLAPI Vector4 *GetImageDataNormalized(Image image); // Get pixel data from image as Vector4 array (float normalized) -RLAPI Rectangle GetImageAlphaBorder(Image image, float threshold); // Get image alpha border rectangle - -// Image drawing functions -// NOTE: Image software-rendering functions (CPU) -RLAPI void ImageClearBackground(Image *dst, Color color); // Clear image background with given color -RLAPI void ImageDrawPixel(Image *dst, int posX, int posY, Color color); // Draw pixel within an image -RLAPI void ImageDrawPixelV(Image *dst, Vector2 position, Color color); // Draw pixel within an image (Vector version) -RLAPI void ImageDrawLine(Image *dst, int startPosX, int startPosY, int endPosX, int endPosY, Color color); // Draw line within an image -RLAPI void ImageDrawLineV(Image *dst, Vector2 start, Vector2 end, Color color); // Draw line within an image (Vector version) -RLAPI void ImageDrawCircle(Image *dst, int centerX, int centerY, int radius, Color color); // Draw circle within an image -RLAPI void ImageDrawCircleV(Image *dst, Vector2 center, int radius, Color color); // Draw circle within an image (Vector version) -RLAPI void ImageDrawRectangle(Image *dst, int posX, int posY, int width, int height, Color color); // Draw rectangle within an image -RLAPI void ImageDrawRectangleV(Image *dst, Vector2 position, Vector2 size, Color color); // Draw rectangle within an image (Vector version) -RLAPI void ImageDrawRectangleRec(Image *dst, Rectangle rec, Color color); // Draw rectangle within an image -RLAPI void ImageDrawRectangleLines(Image *dst, Rectangle rec, int thick, Color color); // Draw rectangle lines within an image -RLAPI void ImageDraw(Image *dst, Image src, Rectangle srcRec, Rectangle dstRec, Color tint); // Draw a source image within a destination image (tint applied to source) -RLAPI void ImageDrawText(Image *dst, const char *text, int posX, int posY, int fontSize, Color color); // Draw text (using default font) within an image (destination) -RLAPI void ImageDrawTextEx(Image *dst, Font font, const char *text, Vector2 position, float fontSize, float spacing, Color tint); // Draw text (custom sprite font) within an image (destination) - -// Texture loading functions -// NOTE: These functions require GPU access -RLAPI Texture2D LoadTexture(const char *fileName); // Load texture from file into GPU memory (VRAM) -RLAPI Texture2D LoadTextureFromImage(Image image); // Load texture from image data -RLAPI TextureCubemap LoadTextureCubemap(Image image, int layoutType); // Load cubemap from image, multiple image cubemap layouts supported -RLAPI RenderTexture2D LoadRenderTexture(int width, int height); // Load texture for rendering (framebuffer) -RLAPI void UnloadTexture(Texture2D texture); // Unload texture from GPU memory (VRAM) -RLAPI void UnloadRenderTexture(RenderTexture2D target); // Unload render texture from GPU memory (VRAM) -RLAPI void UpdateTexture(Texture2D texture, const void *pixels); // Update GPU texture with new data -RLAPI Image GetTextureData(Texture2D texture); // Get pixel data from GPU texture and return an Image -RLAPI Image GetScreenData(void); // Get pixel data from screen buffer and return an Image (screenshot) - -// Texture configuration functions -RLAPI void GenTextureMipmaps(Texture2D *texture); // Generate GPU mipmaps for a texture -RLAPI void SetTextureFilter(Texture2D texture, int filterMode); // Set texture scaling filter mode -RLAPI void SetTextureWrap(Texture2D texture, int wrapMode); // Set texture wrapping mode - -// Texture drawing functions -RLAPI void DrawTexture(Texture2D texture, int posX, int posY, Color tint); // Draw a Texture2D -RLAPI void DrawTextureV(Texture2D texture, Vector2 position, Color tint); // Draw a Texture2D with position defined as Vector2 -RLAPI void DrawTextureEx(Texture2D texture, Vector2 position, float rotation, float scale, Color tint); // Draw a Texture2D with extended parameters -RLAPI void DrawTextureRec(Texture2D texture, Rectangle sourceRec, Vector2 position, Color tint); // Draw a part of a texture defined by a rectangle -RLAPI void DrawTextureQuad(Texture2D texture, Vector2 tiling, Vector2 offset, Rectangle quad, Color tint); // Draw texture quad with tiling and offset parameters -RLAPI void DrawTexturePro(Texture2D texture, Rectangle sourceRec, Rectangle destRec, Vector2 origin, float rotation, Color tint); // Draw a part of a texture defined by a rectangle with 'pro' parameters -RLAPI void DrawTextureNPatch(Texture2D texture, NPatchInfo nPatchInfo, Rectangle destRec, Vector2 origin, float rotation, Color tint); // Draws a texture (or part of it) that stretches or shrinks nicely - -// Image/Texture misc functions -RLAPI int GetPixelDataSize(int width, int height, int format); // Get pixel data size in bytes (image or texture) - - -//------------------------------------------------------------------------------------ -// Font Loading and Text Drawing Functions (Module: text) -//------------------------------------------------------------------------------------ - -// Font loading/unloading functions -RLAPI Font GetFontDefault(void); // Get the default Font -RLAPI Font LoadFont(const char *fileName); // Load font from file into GPU memory (VRAM) -RLAPI Font LoadFontEx(const char *fileName, int fontSize, int *fontChars, int charsCount); // Load font from file with extended parameters -RLAPI Font LoadFontFromImage(Image image, Color key, int firstChar); // Load font from Image (XNA style) -RLAPI CharInfo *LoadFontData(const char *fileName, int fontSize, int *fontChars, int charsCount, int type); // Load font data for further use -RLAPI Image GenImageFontAtlas(const CharInfo *chars, Rectangle **recs, int charsCount, int fontSize, int padding, int packMethod); // Generate image font atlas using chars info -RLAPI void UnloadFont(Font font); // Unload Font from GPU memory (VRAM) - -// Text drawing functions -RLAPI void DrawFPS(int posX, int posY); // Shows current FPS -RLAPI void DrawText(const char *text, int posX, int posY, int fontSize, Color color); // Draw text (using default font) -RLAPI void DrawTextEx(Font font, const char *text, Vector2 position, float fontSize, float spacing, Color tint); // Draw text using font and additional parameters -RLAPI void DrawTextRec(Font font, const char *text, Rectangle rec, float fontSize, float spacing, bool wordWrap, Color tint); // Draw text using font inside rectangle limits -RLAPI void DrawTextRecEx(Font font, const char *text, Rectangle rec, float fontSize, float spacing, bool wordWrap, Color tint, - int selectStart, int selectLength, Color selectTint, Color selectBackTint); // Draw text using font inside rectangle limits with support for text selection -RLAPI void DrawTextCodepoint(Font font, int codepoint, Vector2 position, float scale, Color tint); // Draw one character (codepoint) - -// Text misc. functions -RLAPI int MeasureText(const char *text, int fontSize); // Measure string width for default font -RLAPI Vector2 MeasureTextEx(Font font, const char *text, float fontSize, float spacing); // Measure string size for Font -RLAPI int GetGlyphIndex(Font font, int codepoint); // Get index position for a unicode character on font - -// Text strings management functions (no utf8 strings, only byte chars) -// NOTE: Some strings allocate memory internally for returned strings, just be careful! -RLAPI int TextCopy(char *dst, const char *src); // Copy one string to another, returns bytes copied -RLAPI bool TextIsEqual(const char *text1, const char *text2); // Check if two text string are equal -RLAPI unsigned int TextLength(const char *text); // Get text length, checks for '\0' ending -RLAPI const char *TextFormat(const char *text, ...); // Text formatting with variables (sprintf style) -RLAPI const char *TextSubtext(const char *text, int position, int length); // Get a piece of a text string -RLAPI char *TextReplace(char *text, const char *replace, const char *by); // Replace text string (memory must be freed!) -RLAPI char *TextInsert(const char *text, const char *insert, int position); // Insert text in a position (memory must be freed!) -RLAPI const char *TextJoin(const char **textList, int count, const char *delimiter); // Join text strings with delimiter -RLAPI const char **TextSplit(const char *text, char delimiter, int *count); // Split text into multiple strings -RLAPI void TextAppend(char *text, const char *append, int *position); // Append text at specific position and move cursor! -RLAPI int TextFindIndex(const char *text, const char *find); // Find first text occurrence within a string -RLAPI const char *TextToUpper(const char *text); // Get upper case version of provided string -RLAPI const char *TextToLower(const char *text); // Get lower case version of provided string -RLAPI const char *TextToPascal(const char *text); // Get Pascal case notation version of provided string -RLAPI int TextToInteger(const char *text); // Get integer value from text (negative values not supported) -RLAPI char *TextToUtf8(int *codepoints, int length); // Encode text codepoint into utf8 text (memory must be freed!) - -// UTF8 text strings management functions -RLAPI int *GetCodepoints(const char *text, int *count); // Get all codepoints in a string, codepoints count returned by parameters -RLAPI int GetCodepointsCount(const char *text); // Get total number of characters (codepoints) in a UTF8 encoded string -RLAPI int GetNextCodepoint(const char *text, int *bytesProcessed); // Returns next codepoint in a UTF8 encoded string; 0x3f('?') is returned on failure -RLAPI const char *CodepointToUtf8(int codepoint, int *byteLength); // Encode codepoint into utf8 text (char array length returned as parameter) - -//------------------------------------------------------------------------------------ -// Basic 3d Shapes Drawing Functions (Module: models) -//------------------------------------------------------------------------------------ - -// Basic geometric 3D shapes drawing functions -RLAPI void DrawLine3D(Vector3 startPos, Vector3 endPos, Color color); // Draw a line in 3D world space -RLAPI void DrawPoint3D(Vector3 position, Color color); // Draw a point in 3D space, actually a small line -RLAPI void DrawCircle3D(Vector3 center, float radius, Vector3 rotationAxis, float rotationAngle, Color color); // Draw a circle in 3D world space -RLAPI void DrawTriangle3D(Vector3 v1, Vector3 v2, Vector3 v3, Color color); // Draw a color-filled triangle (vertex in counter-clockwise order!) -RLAPI void DrawTriangleStrip3D(Vector3 *points, int pointsCount, Color color); // Draw a triangle strip defined by points -RLAPI void DrawCube(Vector3 position, float width, float height, float length, Color color); // Draw cube -RLAPI void DrawCubeV(Vector3 position, Vector3 size, Color color); // Draw cube (Vector version) -RLAPI void DrawCubeWires(Vector3 position, float width, float height, float length, Color color); // Draw cube wires -RLAPI void DrawCubeWiresV(Vector3 position, Vector3 size, Color color); // Draw cube wires (Vector version) -RLAPI void DrawCubeTexture(Texture2D texture, Vector3 position, float width, float height, float length, Color color); // Draw cube textured -RLAPI void DrawSphere(Vector3 centerPos, float radius, Color color); // Draw sphere -RLAPI void DrawSphereEx(Vector3 centerPos, float radius, int rings, int slices, Color color); // Draw sphere with extended parameters -RLAPI void DrawSphereWires(Vector3 centerPos, float radius, int rings, int slices, Color color); // Draw sphere wires -RLAPI void DrawCylinder(Vector3 position, float radiusTop, float radiusBottom, float height, int slices, Color color); // Draw a cylinder/cone -RLAPI void DrawCylinderWires(Vector3 position, float radiusTop, float radiusBottom, float height, int slices, Color color); // Draw a cylinder/cone wires -RLAPI void DrawPlane(Vector3 centerPos, Vector2 size, Color color); // Draw a plane XZ -RLAPI void DrawRay(Ray ray, Color color); // Draw a ray line -RLAPI void DrawGrid(int slices, float spacing); // Draw a grid (centered at (0, 0, 0)) -RLAPI void DrawGizmo(Vector3 position); // Draw simple gizmo - -//------------------------------------------------------------------------------------ -// Model 3d Loading and Drawing Functions (Module: models) -//------------------------------------------------------------------------------------ - -// Model loading/unloading functions -RLAPI Model LoadModel(const char *fileName); // Load model from files (meshes and materials) -RLAPI Model LoadModelFromMesh(Mesh mesh); // Load model from generated mesh (default material) -RLAPI void UnloadModel(Model model); // Unload model from memory (RAM and/or VRAM) - -// Mesh loading/unloading functions -RLAPI Mesh *LoadMeshes(const char *fileName, int *meshCount); // Load meshes from model file -RLAPI void ExportMesh(Mesh mesh, const char *fileName); // Export mesh data to file -RLAPI void UnloadMesh(Mesh mesh); // Unload mesh from memory (RAM and/or VRAM) - -// Material loading/unloading functions -RLAPI Material *LoadMaterials(const char *fileName, int *materialCount); // Load materials from model file -RLAPI Material LoadMaterialDefault(void); // Load default material (Supports: DIFFUSE, SPECULAR, NORMAL maps) -RLAPI void UnloadMaterial(Material material); // Unload material from GPU memory (VRAM) -RLAPI void SetMaterialTexture(Material *material, int mapType, Texture2D texture); // Set texture for a material map type (MAP_DIFFUSE, MAP_SPECULAR...) -RLAPI void SetModelMeshMaterial(Model *model, int meshId, int materialId); // Set material for a mesh - -// Model animations loading/unloading functions -RLAPI ModelAnimation *LoadModelAnimations(const char *fileName, int *animsCount); // Load model animations from file -RLAPI void UpdateModelAnimation(Model model, ModelAnimation anim, int frame); // Update model animation pose -RLAPI void UnloadModelAnimation(ModelAnimation anim); // Unload animation data -RLAPI bool IsModelAnimationValid(Model model, ModelAnimation anim); // Check model animation skeleton match - -// Mesh generation functions -RLAPI Mesh GenMeshPoly(int sides, float radius); // Generate polygonal mesh -RLAPI Mesh GenMeshPlane(float width, float length, int resX, int resZ); // Generate plane mesh (with subdivisions) -RLAPI Mesh GenMeshCube(float width, float height, float length); // Generate cuboid mesh -RLAPI Mesh GenMeshSphere(float radius, int rings, int slices); // Generate sphere mesh (standard sphere) -RLAPI Mesh GenMeshHemiSphere(float radius, int rings, int slices); // Generate half-sphere mesh (no bottom cap) -RLAPI Mesh GenMeshCylinder(float radius, float height, int slices); // Generate cylinder mesh -RLAPI Mesh GenMeshTorus(float radius, float size, int radSeg, int sides); // Generate torus mesh -RLAPI Mesh GenMeshKnot(float radius, float size, int radSeg, int sides); // Generate trefoil knot mesh -RLAPI Mesh GenMeshHeightmap(Image heightmap, Vector3 size); // Generate heightmap mesh from image data -RLAPI Mesh GenMeshCubicmap(Image cubicmap, Vector3 cubeSize); // Generate cubes-based map mesh from image data - -// Mesh manipulation functions -RLAPI BoundingBox MeshBoundingBox(Mesh mesh); // Compute mesh bounding box limits -RLAPI void MeshTangents(Mesh *mesh); // Compute mesh tangents -RLAPI void MeshBinormals(Mesh *mesh); // Compute mesh binormals - -// Model drawing functions -RLAPI void DrawModel(Model model, Vector3 position, float scale, Color tint); // Draw a model (with texture if set) -RLAPI void DrawModelEx(Model model, Vector3 position, Vector3 rotationAxis, float rotationAngle, Vector3 scale, Color tint); // Draw a model with extended parameters -RLAPI void DrawModelWires(Model model, Vector3 position, float scale, Color tint); // Draw a model wires (with texture if set) -RLAPI void DrawModelWiresEx(Model model, Vector3 position, Vector3 rotationAxis, float rotationAngle, Vector3 scale, Color tint); // Draw a model wires (with texture if set) with extended parameters -RLAPI void DrawBoundingBox(BoundingBox box, Color color); // Draw bounding box (wires) -RLAPI void DrawBillboard(Camera camera, Texture2D texture, Vector3 center, float size, Color tint); // Draw a billboard texture -RLAPI void DrawBillboardRec(Camera camera, Texture2D texture, Rectangle sourceRec, Vector3 center, float size, Color tint); // Draw a billboard texture defined by sourceRec - -// Collision detection functions -RLAPI bool CheckCollisionSpheres(Vector3 centerA, float radiusA, Vector3 centerB, float radiusB); // Detect collision between two spheres -RLAPI bool CheckCollisionBoxes(BoundingBox box1, BoundingBox box2); // Detect collision between two bounding boxes -RLAPI bool CheckCollisionBoxSphere(BoundingBox box, Vector3 center, float radius); // Detect collision between box and sphere -RLAPI bool CheckCollisionRaySphere(Ray ray, Vector3 center, float radius); // Detect collision between ray and sphere -RLAPI bool CheckCollisionRaySphereEx(Ray ray, Vector3 center, float radius, Vector3 *collisionPoint); // Detect collision between ray and sphere, returns collision point -RLAPI bool CheckCollisionRayBox(Ray ray, BoundingBox box); // Detect collision between ray and box -RLAPI RayHitInfo GetCollisionRayModel(Ray ray, Model model); // Get collision info between ray and model -RLAPI RayHitInfo GetCollisionRayTriangle(Ray ray, Vector3 p1, Vector3 p2, Vector3 p3); // Get collision info between ray and triangle -RLAPI RayHitInfo GetCollisionRayGround(Ray ray, float groundHeight); // Get collision info between ray and ground plane (Y-normal plane) - -//------------------------------------------------------------------------------------ -// Shaders System Functions (Module: rlgl) -// NOTE: This functions are useless when using OpenGL 1.1 -//------------------------------------------------------------------------------------ - -// Shader loading/unloading functions -RLAPI Shader LoadShader(const char *vsFileName, const char *fsFileName); // Load shader from files and bind default locations -RLAPI Shader LoadShaderCode(const char *vsCode, const char *fsCode); // Load shader from code strings and bind default locations -RLAPI void UnloadShader(Shader shader); // Unload shader from GPU memory (VRAM) - -RLAPI Shader GetShaderDefault(void); // Get default shader -RLAPI Texture2D GetTextureDefault(void); // Get default texture -RLAPI Texture2D GetShapesTexture(void); // Get texture to draw shapes -RLAPI Rectangle GetShapesTextureRec(void); // Get texture rectangle to draw shapes -RLAPI void SetShapesTexture(Texture2D texture, Rectangle source); // Define default texture used to draw shapes - -// Shader configuration functions -RLAPI int GetShaderLocation(Shader shader, const char *uniformName); // Get shader uniform location -RLAPI void SetShaderValue(Shader shader, int uniformLoc, const void *value, int uniformType); // Set shader uniform value -RLAPI void SetShaderValueV(Shader shader, int uniformLoc, const void *value, int uniformType, int count); // Set shader uniform value vector -RLAPI void SetShaderValueMatrix(Shader shader, int uniformLoc, Matrix mat); // Set shader uniform value (matrix 4x4) -RLAPI void SetShaderValueTexture(Shader shader, int uniformLoc, Texture2D texture); // Set shader uniform value for texture -RLAPI void SetMatrixProjection(Matrix proj); // Set a custom projection matrix (replaces internal projection matrix) -RLAPI void SetMatrixModelview(Matrix view); // Set a custom modelview matrix (replaces internal modelview matrix) -RLAPI Matrix GetMatrixModelview(void); // Get internal modelview matrix -RLAPI Matrix GetMatrixProjection(void); // Get internal projection matrix - -// Texture maps generation (PBR) -// NOTE: Required shaders should be provided -RLAPI Texture2D GenTextureCubemap(Shader shader, Texture2D map, int size); // Generate cubemap texture from 2D texture -RLAPI Texture2D GenTextureIrradiance(Shader shader, Texture2D cubemap, int size); // Generate irradiance texture using cubemap data -RLAPI Texture2D GenTexturePrefilter(Shader shader, Texture2D cubemap, int size); // Generate prefilter texture using cubemap data -RLAPI Texture2D GenTextureBRDF(Shader shader, int size); // Generate BRDF texture - -// Shading begin/end functions -RLAPI void BeginShaderMode(Shader shader); // Begin custom shader drawing -RLAPI void EndShaderMode(void); // End custom shader drawing (use default shader) -RLAPI void BeginBlendMode(int mode); // Begin blending mode (alpha, additive, multiplied) -RLAPI void EndBlendMode(void); // End blending mode (reset to default: alpha blending) - -// VR control functions -RLAPI void InitVrSimulator(void); // Init VR simulator for selected device parameters -RLAPI void CloseVrSimulator(void); // Close VR simulator for current device -RLAPI void UpdateVrTracking(Camera *camera); // Update VR tracking (position and orientation) and camera -RLAPI void SetVrConfiguration(VrDeviceInfo info, Shader distortion); // Set stereo rendering configuration parameters -RLAPI bool IsVrSimulatorReady(void); // Detect if VR simulator is ready -RLAPI void ToggleVrMode(void); // Enable/Disable VR experience -RLAPI void BeginVrDrawing(void); // Begin VR simulator stereo rendering -RLAPI void EndVrDrawing(void); // End VR simulator stereo rendering - -//------------------------------------------------------------------------------------ -// Audio Loading and Playing Functions (Module: audio) -//------------------------------------------------------------------------------------ - -// Audio device management functions -RLAPI void InitAudioDevice(void); // Initialize audio device and context -RLAPI void CloseAudioDevice(void); // Close the audio device and context -RLAPI bool IsAudioDeviceReady(void); // Check if audio device has been initialized successfully -RLAPI void SetMasterVolume(float volume); // Set master volume (listener) - -// Wave/Sound loading/unloading functions -RLAPI Wave LoadWave(const char *fileName); // Load wave data from file -RLAPI Sound LoadSound(const char *fileName); // Load sound from file -RLAPI Sound LoadSoundFromWave(Wave wave); // Load sound from wave data -RLAPI void UpdateSound(Sound sound, const void *data, int samplesCount);// Update sound buffer with new data -RLAPI void UnloadWave(Wave wave); // Unload wave data -RLAPI void UnloadSound(Sound sound); // Unload sound -RLAPI void ExportWave(Wave wave, const char *fileName); // Export wave data to file -RLAPI void ExportWaveAsCode(Wave wave, const char *fileName); // Export wave sample data to code (.h) - -// Wave/Sound management functions -RLAPI void PlaySound(Sound sound); // Play a sound -RLAPI void StopSound(Sound sound); // Stop playing a sound -RLAPI void PauseSound(Sound sound); // Pause a sound -RLAPI void ResumeSound(Sound sound); // Resume a paused sound -RLAPI void PlaySoundMulti(Sound sound); // Play a sound (using multichannel buffer pool) -RLAPI void StopSoundMulti(void); // Stop any sound playing (using multichannel buffer pool) -RLAPI int GetSoundsPlaying(void); // Get number of sounds playing in the multichannel -RLAPI bool IsSoundPlaying(Sound sound); // Check if a sound is currently playing -RLAPI void SetSoundVolume(Sound sound, float volume); // Set volume for a sound (1.0 is max level) -RLAPI void SetSoundPitch(Sound sound, float pitch); // Set pitch for a sound (1.0 is base level) -RLAPI void WaveFormat(Wave *wave, int sampleRate, int sampleSize, int channels); // Convert wave data to desired format -RLAPI Wave WaveCopy(Wave wave); // Copy a wave to a new wave -RLAPI void WaveCrop(Wave *wave, int initSample, int finalSample); // Crop a wave to defined samples range -RLAPI float *GetWaveData(Wave wave); // Get samples data from wave as a floats array - -// Music management functions -RLAPI Music LoadMusicStream(const char *fileName); // Load music stream from file -RLAPI void UnloadMusicStream(Music music); // Unload music stream -RLAPI void PlayMusicStream(Music music); // Start music playing -RLAPI void UpdateMusicStream(Music music); // Updates buffers for music streaming -RLAPI void StopMusicStream(Music music); // Stop music playing -RLAPI void PauseMusicStream(Music music); // Pause music playing -RLAPI void ResumeMusicStream(Music music); // Resume playing paused music -RLAPI bool IsMusicPlaying(Music music); // Check if music is playing -RLAPI void SetMusicVolume(Music music, float volume); // Set volume for music (1.0 is max level) -RLAPI void SetMusicPitch(Music music, float pitch); // Set pitch for a music (1.0 is base level) -RLAPI float GetMusicTimeLength(Music music); // Get music time length (in seconds) -RLAPI float GetMusicTimePlayed(Music music); // Get current music time played (in seconds) - -// AudioStream management functions -RLAPI AudioStream InitAudioStream(unsigned int sampleRate, unsigned int sampleSize, unsigned int channels); // Init audio stream (to stream raw audio pcm data) -RLAPI void UpdateAudioStream(AudioStream stream, const void *data, int samplesCount); // Update audio stream buffers with data -RLAPI void CloseAudioStream(AudioStream stream); // Close audio stream and free memory -RLAPI bool IsAudioStreamProcessed(AudioStream stream); // Check if any audio stream buffers requires refill -RLAPI void PlayAudioStream(AudioStream stream); // Play audio stream -RLAPI void PauseAudioStream(AudioStream stream); // Pause audio stream -RLAPI void ResumeAudioStream(AudioStream stream); // Resume audio stream -RLAPI bool IsAudioStreamPlaying(AudioStream stream); // Check if audio stream is playing -RLAPI void StopAudioStream(AudioStream stream); // Stop audio stream -RLAPI void SetAudioStreamVolume(AudioStream stream, float volume); // Set volume for audio stream (1.0 is max level) -RLAPI void SetAudioStreamPitch(AudioStream stream, float pitch); // Set pitch for audio stream (1.0 is base level) -RLAPI void SetAudioStreamBufferSizeDefault(int size); // Default size for new audio streams - -//------------------------------------------------------------------------------------ -// Network (Module: network) -//------------------------------------------------------------------------------------ - -// IN PROGRESS: Check rnet.h for reference - -#if defined(__cplusplus) -} -#endif - -#endif // RAYLIB_H +/********************************************************************************************** +* +* raylib - A simple and easy-to-use library to enjoy videogames programming (www.raylib.com) +* +* FEATURES: +* - NO external dependencies, all required libraries included with raylib +* - Multiplatform: Windows, Linux, FreeBSD, OpenBSD, NetBSD, DragonFly, MacOS, UWP, Android, Raspberry Pi, HTML5. +* - Written in plain C code (C99) in PascalCase/camelCase notation +* - Hardware accelerated with OpenGL (1.1, 2.1, 3.3 or ES2 - choose at compile) +* - Unique OpenGL abstraction layer (usable as standalone module): [rlgl] +* - Multiple Fonts formats supported (TTF, XNA fonts, AngelCode fonts) +* - Outstanding texture formats support, including compressed formats (DXT, ETC, ASTC) +* - Full 3d support for 3d Shapes, Models, Billboards, Heightmaps and more! +* - Flexible Materials system, supporting classic maps and PBR maps +* - Skeletal Animation support (CPU bones-based animation) +* - Shaders support, including Model shaders and Postprocessing shaders +* - Powerful math module for Vector, Matrix and Quaternion operations: [raymath] +* - Audio loading and playing with streaming support (WAV, OGG, MP3, FLAC, XM, MOD) +* - VR stereo rendering with configurable HMD device parameters +* - Bindings to multiple programming languages available! +* +* NOTES: +* One custom font is loaded by default when InitWindow() [core] +* If using OpenGL 3.3 or ES2, one default shader is loaded automatically (internally defined) [rlgl] +* If using OpenGL 3.3 or ES2, several vertex buffers (VAO/VBO) are created to manage lines-triangles-quads +* +* DEPENDENCIES (included): +* [core] rglfw (github.com/glfw/glfw) for window/context management and input (only PLATFORM_DESKTOP) +* [rlgl] glad (github.com/Dav1dde/glad) for OpenGL 3.3 extensions loading (only PLATFORM_DESKTOP) +* [raudio] miniaudio (github.com/dr-soft/miniaudio) for audio device/context management +* +* OPTIONAL DEPENDENCIES (included): +* [core] rgif (Charlie Tangora, Ramon Santamaria) for GIF recording +* [textures] stb_image (Sean Barret) for images loading (BMP, TGA, PNG, JPEG, HDR...) +* [textures] stb_image_write (Sean Barret) for image writting (BMP, TGA, PNG, JPG) +* [textures] stb_image_resize (Sean Barret) for image resizing algorithms +* [textures] stb_perlin (Sean Barret) for Perlin noise image generation +* [text] stb_truetype (Sean Barret) for ttf fonts loading +* [text] stb_rect_pack (Sean Barret) for rectangles packing +* [models] par_shapes (Philip Rideout) for parametric 3d shapes generation +* [models] tinyobj_loader_c (Syoyo Fujita) for models loading (OBJ, MTL) +* [models] cgltf (Johannes Kuhlmann) for models loading (glTF) +* [raudio] stb_vorbis (Sean Barret) for OGG audio loading +* [raudio] dr_flac (David Reid) for FLAC audio file loading +* [raudio] dr_mp3 (David Reid) for MP3 audio file loading +* [raudio] jar_xm (Joshua Reisenauer) for XM audio module loading +* [raudio] jar_mod (Joshua Reisenauer) for MOD audio module loading +* +* +* LICENSE: zlib/libpng +* +* raylib is licensed under an unmodified zlib/libpng license, which is an OSI-certified, +* BSD-like license that allows static linking with closed source software: +* +* Copyright (c) 2013-2020 Ramon Santamaria (@raysan5) +* +* This software is provided "as-is", without any express or implied warranty. In no event +* will the authors be held liable for any damages arising from the use of this software. +* +* Permission is granted to anyone to use this software for any purpose, including commercial +* applications, and to alter it and redistribute it freely, subject to the following restrictions: +* +* 1. The origin of this software must not be misrepresented; you must not claim that you +* wrote the original software. If you use this software in a product, an acknowledgment +* in the product documentation would be appreciated but is not required. +* +* 2. Altered source versions must be plainly marked as such, and must not be misrepresented +* as being the original software. +* +* 3. This notice may not be removed or altered from any source distribution. +* +**********************************************************************************************/ + +#ifndef RAYLIB_H +#define RAYLIB_H + +#include // Required for: va_list - Only used by TraceLogCallback + +#if defined(_WIN32) + // Microsoft attibutes to tell compiler that symbols are imported/exported from a .dll + #if defined(BUILD_LIBTYPE_SHARED) + #define RLAPI __declspec(dllexport) // We are building raylib as a Win32 shared library (.dll) + #elif defined(USE_LIBTYPE_SHARED) + #define RLAPI __declspec(dllimport) // We are using raylib as a Win32 shared library (.dll) + #else + #define RLAPI // We are building or using raylib as a static library + #endif +#else + #define RLAPI // We are building or using raylib as a static library (or Linux shared library) +#endif + +//---------------------------------------------------------------------------------- +// Some basic Defines +//---------------------------------------------------------------------------------- +#ifndef PI + #define PI 3.14159265358979323846f +#endif + +#define DEG2RAD (PI/180.0f) +#define RAD2DEG (180.0f/PI) + +#define MAX_TOUCH_POINTS 10 // Maximum number of touch points supported + +// Allow custom memory allocators +#ifndef RL_MALLOC + #define RL_MALLOC(sz) malloc(sz) +#endif +#ifndef RL_CALLOC + #define RL_CALLOC(n,sz) calloc(n,sz) +#endif +#ifndef RL_REALLOC + #define RL_REALLOC(ptr,sz) realloc(ptr,sz) +#endif +#ifndef RL_FREE + #define RL_FREE(ptr) free(ptr) +#endif + +// NOTE: MSC C++ compiler does not support compound literals (C99 feature) +// Plain structures in C++ (without constructors) can be initialized from { } initializers. +#if defined(__cplusplus) + #define CLITERAL(type) type +#else + #define CLITERAL(type) (type) +#endif + +// Some Basic Colors +// NOTE: Custom raylib color palette for amazing visuals on WHITE background +#define LIGHTGRAY CLITERAL(Color){ 200, 200, 200, 255 } // Light Gray +#define GRAY CLITERAL(Color){ 130, 130, 130, 255 } // Gray +#define DARKGRAY CLITERAL(Color){ 80, 80, 80, 255 } // Dark Gray +#define YELLOW CLITERAL(Color){ 253, 249, 0, 255 } // Yellow +#define GOLD CLITERAL(Color){ 255, 203, 0, 255 } // Gold +#define ORANGE CLITERAL(Color){ 255, 161, 0, 255 } // Orange +#define PINK CLITERAL(Color){ 255, 109, 194, 255 } // Pink +#define RED CLITERAL(Color){ 230, 41, 55, 255 } // Red +#define MAROON CLITERAL(Color){ 190, 33, 55, 255 } // Maroon +#define GREEN CLITERAL(Color){ 0, 228, 48, 255 } // Green +#define LIME CLITERAL(Color){ 0, 158, 47, 255 } // Lime +#define DARKGREEN CLITERAL(Color){ 0, 117, 44, 255 } // Dark Green +#define SKYBLUE CLITERAL(Color){ 102, 191, 255, 255 } // Sky Blue +#define BLUE CLITERAL(Color){ 0, 121, 241, 255 } // Blue +#define DARKBLUE CLITERAL(Color){ 0, 82, 172, 255 } // Dark Blue +#define PURPLE CLITERAL(Color){ 200, 122, 255, 255 } // Purple +#define VIOLET CLITERAL(Color){ 135, 60, 190, 255 } // Violet +#define DARKPURPLE CLITERAL(Color){ 112, 31, 126, 255 } // Dark Purple +#define BEIGE CLITERAL(Color){ 211, 176, 131, 255 } // Beige +#define BROWN CLITERAL(Color){ 127, 106, 79, 255 } // Brown +#define DARKBROWN CLITERAL(Color){ 76, 63, 47, 255 } // Dark Brown + +#define WHITE CLITERAL(Color){ 255, 255, 255, 255 } // White +#define BLACK CLITERAL(Color){ 0, 0, 0, 255 } // Black +#define BLANK CLITERAL(Color){ 0, 0, 0, 0 } // Blank (Transparent) +#define MAGENTA CLITERAL(Color){ 255, 0, 255, 255 } // Magenta +#define RAYWHITE CLITERAL(Color){ 245, 245, 245, 255 } // My own White (raylib logo) + +// Temporal hack to avoid breaking old codebases using +// deprecated raylib implementation of these functions +#define FormatText TextFormat +#define SubText TextSubtext +#define ShowWindow UnhideWindow +#define LoadText LoadFileText + +//---------------------------------------------------------------------------------- +// Structures Definition +//---------------------------------------------------------------------------------- +// Boolean type +#if defined(__STDC__) && __STDC_VERSION__ >= 199901L + #include +#elif !defined(__cplusplus) && !defined(bool) + typedef enum { false, true } bool; +#endif + +// Vector2 type +typedef struct Vector2 { + float x; + float y; +} Vector2; + +// Vector3 type +typedef struct Vector3 { + float x; + float y; + float z; +} Vector3; + +// Vector4 type +typedef struct Vector4 { + float x; + float y; + float z; + float w; +} Vector4; + +// Quaternion type, same as Vector4 +typedef Vector4 Quaternion; + +// Matrix type (OpenGL style 4x4 - right handed, column major) +typedef struct Matrix { + float m0, m4, m8, m12; + float m1, m5, m9, m13; + float m2, m6, m10, m14; + float m3, m7, m11, m15; +} Matrix; + +// Color type, RGBA (32bit) +typedef struct Color { + unsigned char r; + unsigned char g; + unsigned char b; + unsigned char a; +} Color; + +// Rectangle type +typedef struct Rectangle { + float x; + float y; + float width; + float height; +} Rectangle; + +// Image type, bpp always RGBA (32bit) +// NOTE: Data stored in CPU memory (RAM) +typedef struct Image { + void *data; // Image raw data + int width; // Image base width + int height; // Image base height + int mipmaps; // Mipmap levels, 1 by default + int format; // Data format (PixelFormat type) +} Image; + +// Texture2D type +// NOTE: Data stored in GPU memory +typedef struct Texture2D { + unsigned int id; // OpenGL texture id + int width; // Texture base width + int height; // Texture base height + int mipmaps; // Mipmap levels, 1 by default + int format; // Data format (PixelFormat type) +} Texture2D; + +// Texture type, same as Texture2D +typedef Texture2D Texture; + +// TextureCubemap type, actually, same as Texture2D +typedef Texture2D TextureCubemap; + +// RenderTexture2D type, for texture rendering +typedef struct RenderTexture2D { + unsigned int id; // OpenGL Framebuffer Object (FBO) id + Texture2D texture; // Color buffer attachment texture + Texture2D depth; // Depth buffer attachment texture + bool depthTexture; // Track if depth attachment is a texture or renderbuffer +} RenderTexture2D; + +// RenderTexture type, same as RenderTexture2D +typedef RenderTexture2D RenderTexture; + +// N-Patch layout info +typedef struct NPatchInfo { + Rectangle sourceRec; // Region in the texture + int left; // left border offset + int top; // top border offset + int right; // right border offset + int bottom; // bottom border offset + int type; // layout of the n-patch: 3x3, 1x3 or 3x1 +} NPatchInfo; + +// Font character info +typedef struct CharInfo { + int value; // Character value (Unicode) + int offsetX; // Character offset X when drawing + int offsetY; // Character offset Y when drawing + int advanceX; // Character advance position X + Image image; // Character image data +} CharInfo; + +// Font type, includes texture and charSet array data +typedef struct Font { + int baseSize; // Base size (default chars height) + int charsCount; // Number of characters + Texture2D texture; // Characters texture atlas + Rectangle *recs; // Characters rectangles in texture + CharInfo *chars; // Characters info data +} Font; + +#define SpriteFont Font // SpriteFont type fallback, defaults to Font + +// Camera type, defines a camera position/orientation in 3d space +typedef struct Camera3D { + Vector3 position; // Camera position + Vector3 target; // Camera target it looks-at + Vector3 up; // Camera up vector (rotation over its axis) + float fovy; // Camera field-of-view apperture in Y (degrees) in perspective, used as near plane width in orthographic + int type; // Camera type, defines projection type: CAMERA_PERSPECTIVE or CAMERA_ORTHOGRAPHIC +} Camera3D; + +typedef Camera3D Camera; // Camera type fallback, defaults to Camera3D + +// Camera2D type, defines a 2d camera +typedef struct Camera2D { + Vector2 offset; // Camera offset (displacement from target) + Vector2 target; // Camera target (rotation and zoom origin) + float rotation; // Camera rotation in degrees + float zoom; // Camera zoom (scaling), should be 1.0f by default +} Camera2D; + +// Vertex data definning a mesh +// NOTE: Data stored in CPU memory (and GPU) +typedef struct Mesh { + int vertexCount; // Number of vertices stored in arrays + int triangleCount; // Number of triangles stored (indexed or not) + + // Default vertex data + float *vertices; // Vertex position (XYZ - 3 components per vertex) (shader-location = 0) + float *texcoords; // Vertex texture coordinates (UV - 2 components per vertex) (shader-location = 1) + float *texcoords2; // Vertex second texture coordinates (useful for lightmaps) (shader-location = 5) + float *normals; // Vertex normals (XYZ - 3 components per vertex) (shader-location = 2) + float *tangents; // Vertex tangents (XYZW - 4 components per vertex) (shader-location = 4) + unsigned char *colors; // Vertex colors (RGBA - 4 components per vertex) (shader-location = 3) + unsigned short *indices;// Vertex indices (in case vertex data comes indexed) + + // Animation vertex data + float *animVertices; // Animated vertex positions (after bones transformations) + float *animNormals; // Animated normals (after bones transformations) + int *boneIds; // Vertex bone ids, up to 4 bones influence by vertex (skinning) + float *boneWeights; // Vertex bone weight, up to 4 bones influence by vertex (skinning) + + // OpenGL identifiers + unsigned int vaoId; // OpenGL Vertex Array Object id + unsigned int *vboId; // OpenGL Vertex Buffer Objects id (default vertex data) +} Mesh; + +// Shader type (generic) +typedef struct Shader { + unsigned int id; // Shader program id + int *locs; // Shader locations array (MAX_SHADER_LOCATIONS) +} Shader; + +// Material texture map +typedef struct MaterialMap { + Texture2D texture; // Material map texture + Color color; // Material map color + float value; // Material map value +} MaterialMap; + +// Material type (generic) +typedef struct Material { + Shader shader; // Material shader + MaterialMap *maps; // Material maps array (MAX_MATERIAL_MAPS) + float *params; // Material generic parameters (if required) +} Material; + +// Transformation properties +typedef struct Transform { + Vector3 translation; // Translation + Quaternion rotation; // Rotation + Vector3 scale; // Scale +} Transform; + +// Bone information +typedef struct BoneInfo { + char name[32]; // Bone name + int parent; // Bone parent +} BoneInfo; + +// Model type +typedef struct Model { + Matrix transform; // Local transform matrix + + int meshCount; // Number of meshes + Mesh *meshes; // Meshes array + + int materialCount; // Number of materials + Material *materials; // Materials array + int *meshMaterial; // Mesh material number + + // Animation data + int boneCount; // Number of bones + BoneInfo *bones; // Bones information (skeleton) + Transform *bindPose; // Bones base transformation (pose) +} Model; + +// Model animation +typedef struct ModelAnimation { + int boneCount; // Number of bones + BoneInfo *bones; // Bones information (skeleton) + + int frameCount; // Number of animation frames + Transform **framePoses; // Poses array by frame +} ModelAnimation; + +// Ray type (useful for raycast) +typedef struct Ray { + Vector3 position; // Ray position (origin) + Vector3 direction; // Ray direction +} Ray; + +// Raycast hit information +typedef struct RayHitInfo { + bool hit; // Did the ray hit something? + float distance; // Distance to nearest hit + Vector3 position; // Position of nearest hit + Vector3 normal; // Surface normal of hit +} RayHitInfo; + +// Bounding box type +typedef struct BoundingBox { + Vector3 min; // Minimum vertex box-corner + Vector3 max; // Maximum vertex box-corner +} BoundingBox; + +// Wave type, defines audio wave data +typedef struct Wave { + unsigned int sampleCount; // Total number of samples + unsigned int sampleRate; // Frequency (samples per second) + unsigned int sampleSize; // Bit depth (bits per sample): 8, 16, 32 (24 not supported) + unsigned int channels; // Number of channels (1-mono, 2-stereo) + void *data; // Buffer data pointer +} Wave; + +typedef struct rAudioBuffer rAudioBuffer; + +// Audio stream type +// NOTE: Useful to create custom audio streams not bound to a specific file +typedef struct AudioStream { + unsigned int sampleRate; // Frequency (samples per second) + unsigned int sampleSize; // Bit depth (bits per sample): 8, 16, 32 (24 not supported) + unsigned int channels; // Number of channels (1-mono, 2-stereo) + + rAudioBuffer *buffer; // Pointer to internal data used by the audio system +} AudioStream; + +// Sound source type +typedef struct Sound { + unsigned int sampleCount; // Total number of samples + AudioStream stream; // Audio stream +} Sound; + +// Music stream type (audio file streaming from memory) +// NOTE: Anything longer than ~10 seconds should be streamed +typedef struct Music { + int ctxType; // Type of music context (audio filetype) + void *ctxData; // Audio context data, depends on type + + unsigned int sampleCount; // Total number of samples + unsigned int loopCount; // Loops count (times music will play), 0 means infinite loop + + AudioStream stream; // Audio stream +} Music; + +// Head-Mounted-Display device parameters +typedef struct VrDeviceInfo { + int hResolution; // HMD horizontal resolution in pixels + int vResolution; // HMD vertical resolution in pixels + float hScreenSize; // HMD horizontal size in meters + float vScreenSize; // HMD vertical size in meters + float vScreenCenter; // HMD screen center in meters + float eyeToScreenDistance; // HMD distance between eye and display in meters + float lensSeparationDistance; // HMD lens separation distance in meters + float interpupillaryDistance; // HMD IPD (distance between pupils) in meters + float lensDistortionValues[4]; // HMD lens distortion constant parameters + float chromaAbCorrection[4]; // HMD chromatic aberration correction parameters +} VrDeviceInfo; + +//---------------------------------------------------------------------------------- +// Enumerators Definition +//---------------------------------------------------------------------------------- +// System config flags +// NOTE: Used for bit masks +typedef enum { + FLAG_RESERVED = 1, // Reserved + FLAG_FULLSCREEN_MODE = 2, // Set to run program in fullscreen + FLAG_WINDOW_RESIZABLE = 4, // Set to allow resizable window + FLAG_WINDOW_UNDECORATED = 8, // Set to disable window decoration (frame and buttons) + FLAG_WINDOW_TRANSPARENT = 16, // Set to allow transparent window + FLAG_WINDOW_HIDDEN = 128, // Set to create the window initially hidden + FLAG_WINDOW_ALWAYS_RUN = 256, // Set to allow windows running while minimized + FLAG_MSAA_4X_HINT = 32, // Set to try enabling MSAA 4X + FLAG_VSYNC_HINT = 64 // Set to try enabling V-Sync on GPU +} ConfigFlag; + +// Trace log type +typedef enum { + LOG_ALL = 0, // Display all logs + LOG_TRACE, + LOG_DEBUG, + LOG_INFO, + LOG_WARNING, + LOG_ERROR, + LOG_FATAL, + LOG_NONE // Disable logging +} TraceLogType; + +// Keyboard keys +typedef enum { + // Alphanumeric keys + KEY_APOSTROPHE = 39, + KEY_COMMA = 44, + KEY_MINUS = 45, + KEY_PERIOD = 46, + KEY_SLASH = 47, + KEY_ZERO = 48, + KEY_ONE = 49, + KEY_TWO = 50, + KEY_THREE = 51, + KEY_FOUR = 52, + KEY_FIVE = 53, + KEY_SIX = 54, + KEY_SEVEN = 55, + KEY_EIGHT = 56, + KEY_NINE = 57, + KEY_SEMICOLON = 59, + KEY_EQUAL = 61, + KEY_A = 65, + KEY_B = 66, + KEY_C = 67, + KEY_D = 68, + KEY_E = 69, + KEY_F = 70, + KEY_G = 71, + KEY_H = 72, + KEY_I = 73, + KEY_J = 74, + KEY_K = 75, + KEY_L = 76, + KEY_M = 77, + KEY_N = 78, + KEY_O = 79, + KEY_P = 80, + KEY_Q = 81, + KEY_R = 82, + KEY_S = 83, + KEY_T = 84, + KEY_U = 85, + KEY_V = 86, + KEY_W = 87, + KEY_X = 88, + KEY_Y = 89, + KEY_Z = 90, + + // Function keys + KEY_SPACE = 32, + KEY_ESCAPE = 256, + KEY_ENTER = 257, + KEY_TAB = 258, + KEY_BACKSPACE = 259, + KEY_INSERT = 260, + KEY_DELETE = 261, + KEY_RIGHT = 262, + KEY_LEFT = 263, + KEY_DOWN = 264, + KEY_UP = 265, + KEY_PAGE_UP = 266, + KEY_PAGE_DOWN = 267, + KEY_HOME = 268, + KEY_END = 269, + KEY_CAPS_LOCK = 280, + KEY_SCROLL_LOCK = 281, + KEY_NUM_LOCK = 282, + KEY_PRINT_SCREEN = 283, + KEY_PAUSE = 284, + KEY_F1 = 290, + KEY_F2 = 291, + KEY_F3 = 292, + KEY_F4 = 293, + KEY_F5 = 294, + KEY_F6 = 295, + KEY_F7 = 296, + KEY_F8 = 297, + KEY_F9 = 298, + KEY_F10 = 299, + KEY_F11 = 300, + KEY_F12 = 301, + KEY_LEFT_SHIFT = 340, + KEY_LEFT_CONTROL = 341, + KEY_LEFT_ALT = 342, + KEY_LEFT_SUPER = 343, + KEY_RIGHT_SHIFT = 344, + KEY_RIGHT_CONTROL = 345, + KEY_RIGHT_ALT = 346, + KEY_RIGHT_SUPER = 347, + KEY_KB_MENU = 348, + KEY_LEFT_BRACKET = 91, + KEY_BACKSLASH = 92, + KEY_RIGHT_BRACKET = 93, + KEY_GRAVE = 96, + + // Keypad keys + KEY_KP_0 = 320, + KEY_KP_1 = 321, + KEY_KP_2 = 322, + KEY_KP_3 = 323, + KEY_KP_4 = 324, + KEY_KP_5 = 325, + KEY_KP_6 = 326, + KEY_KP_7 = 327, + KEY_KP_8 = 328, + KEY_KP_9 = 329, + KEY_KP_DECIMAL = 330, + KEY_KP_DIVIDE = 331, + KEY_KP_MULTIPLY = 332, + KEY_KP_SUBTRACT = 333, + KEY_KP_ADD = 334, + KEY_KP_ENTER = 335, + KEY_KP_EQUAL = 336 +} KeyboardKey; + +// Android buttons +typedef enum { + KEY_BACK = 4, + KEY_MENU = 82, + KEY_VOLUME_UP = 24, + KEY_VOLUME_DOWN = 25 +} AndroidButton; + +// Mouse buttons +typedef enum { + MOUSE_LEFT_BUTTON = 0, + MOUSE_RIGHT_BUTTON = 1, + MOUSE_MIDDLE_BUTTON = 2 +} MouseButton; + +// Gamepad number +typedef enum { + GAMEPAD_PLAYER1 = 0, + GAMEPAD_PLAYER2 = 1, + GAMEPAD_PLAYER3 = 2, + GAMEPAD_PLAYER4 = 3 +} GamepadNumber; + +// Gamepad Buttons +typedef enum { + // This is here just for error checking + GAMEPAD_BUTTON_UNKNOWN = 0, + + // This is normally a DPAD + GAMEPAD_BUTTON_LEFT_FACE_UP, + GAMEPAD_BUTTON_LEFT_FACE_RIGHT, + GAMEPAD_BUTTON_LEFT_FACE_DOWN, + GAMEPAD_BUTTON_LEFT_FACE_LEFT, + + // This normally corresponds with PlayStation and Xbox controllers + // XBOX: [Y,X,A,B] + // PS3: [Triangle,Square,Cross,Circle] + // No support for 6 button controllers though.. + GAMEPAD_BUTTON_RIGHT_FACE_UP, + GAMEPAD_BUTTON_RIGHT_FACE_RIGHT, + GAMEPAD_BUTTON_RIGHT_FACE_DOWN, + GAMEPAD_BUTTON_RIGHT_FACE_LEFT, + + // Triggers + GAMEPAD_BUTTON_LEFT_TRIGGER_1, + GAMEPAD_BUTTON_LEFT_TRIGGER_2, + GAMEPAD_BUTTON_RIGHT_TRIGGER_1, + GAMEPAD_BUTTON_RIGHT_TRIGGER_2, + + // These are buttons in the center of the gamepad + GAMEPAD_BUTTON_MIDDLE_LEFT, //PS3 Select + GAMEPAD_BUTTON_MIDDLE, //PS Button/XBOX Button + GAMEPAD_BUTTON_MIDDLE_RIGHT, //PS3 Start + + // These are the joystick press in buttons + GAMEPAD_BUTTON_LEFT_THUMB, + GAMEPAD_BUTTON_RIGHT_THUMB +} GamepadButton; + +typedef enum { + // This is here just for error checking + GAMEPAD_AXIS_UNKNOWN = 0, + + // Left stick + GAMEPAD_AXIS_LEFT_X, + GAMEPAD_AXIS_LEFT_Y, + + // Right stick + GAMEPAD_AXIS_RIGHT_X, + GAMEPAD_AXIS_RIGHT_Y, + + // Pressure levels for the back triggers + GAMEPAD_AXIS_LEFT_TRIGGER, // [1..-1] (pressure-level) + GAMEPAD_AXIS_RIGHT_TRIGGER // [1..-1] (pressure-level) +} GamepadAxis; + +// Shader location point type +typedef enum { + LOC_VERTEX_POSITION = 0, + LOC_VERTEX_TEXCOORD01, + LOC_VERTEX_TEXCOORD02, + LOC_VERTEX_NORMAL, + LOC_VERTEX_TANGENT, + LOC_VERTEX_COLOR, + LOC_MATRIX_MVP, + LOC_MATRIX_MODEL, + LOC_MATRIX_VIEW, + LOC_MATRIX_PROJECTION, + LOC_VECTOR_VIEW, + LOC_COLOR_DIFFUSE, + LOC_COLOR_SPECULAR, + LOC_COLOR_AMBIENT, + LOC_MAP_ALBEDO, // LOC_MAP_DIFFUSE + LOC_MAP_METALNESS, // LOC_MAP_SPECULAR + LOC_MAP_NORMAL, + LOC_MAP_ROUGHNESS, + LOC_MAP_OCCLUSION, + LOC_MAP_EMISSION, + LOC_MAP_HEIGHT, + LOC_MAP_CUBEMAP, + LOC_MAP_IRRADIANCE, + LOC_MAP_PREFILTER, + LOC_MAP_BRDF +} ShaderLocationIndex; + +#define LOC_MAP_DIFFUSE LOC_MAP_ALBEDO +#define LOC_MAP_SPECULAR LOC_MAP_METALNESS + +// Shader uniform data types +typedef enum { + UNIFORM_FLOAT = 0, + UNIFORM_VEC2, + UNIFORM_VEC3, + UNIFORM_VEC4, + UNIFORM_INT, + UNIFORM_IVEC2, + UNIFORM_IVEC3, + UNIFORM_IVEC4, + UNIFORM_SAMPLER2D +} ShaderUniformDataType; + +// Material map type +typedef enum { + MAP_ALBEDO = 0, // MAP_DIFFUSE + MAP_METALNESS = 1, // MAP_SPECULAR + MAP_NORMAL = 2, + MAP_ROUGHNESS = 3, + MAP_OCCLUSION, + MAP_EMISSION, + MAP_HEIGHT, + MAP_CUBEMAP, // NOTE: Uses GL_TEXTURE_CUBE_MAP + MAP_IRRADIANCE, // NOTE: Uses GL_TEXTURE_CUBE_MAP + MAP_PREFILTER, // NOTE: Uses GL_TEXTURE_CUBE_MAP + MAP_BRDF +} MaterialMapType; + +#define MAP_DIFFUSE MAP_ALBEDO +#define MAP_SPECULAR MAP_METALNESS + +// Pixel formats +// NOTE: Support depends on OpenGL version and platform +typedef enum { + UNCOMPRESSED_GRAYSCALE = 1, // 8 bit per pixel (no alpha) + UNCOMPRESSED_GRAY_ALPHA, // 8*2 bpp (2 channels) + UNCOMPRESSED_R5G6B5, // 16 bpp + UNCOMPRESSED_R8G8B8, // 24 bpp + UNCOMPRESSED_R5G5B5A1, // 16 bpp (1 bit alpha) + UNCOMPRESSED_R4G4B4A4, // 16 bpp (4 bit alpha) + UNCOMPRESSED_R8G8B8A8, // 32 bpp + UNCOMPRESSED_R32, // 32 bpp (1 channel - float) + UNCOMPRESSED_R32G32B32, // 32*3 bpp (3 channels - float) + UNCOMPRESSED_R32G32B32A32, // 32*4 bpp (4 channels - float) + COMPRESSED_DXT1_RGB, // 4 bpp (no alpha) + COMPRESSED_DXT1_RGBA, // 4 bpp (1 bit alpha) + COMPRESSED_DXT3_RGBA, // 8 bpp + COMPRESSED_DXT5_RGBA, // 8 bpp + COMPRESSED_ETC1_RGB, // 4 bpp + COMPRESSED_ETC2_RGB, // 4 bpp + COMPRESSED_ETC2_EAC_RGBA, // 8 bpp + COMPRESSED_PVRT_RGB, // 4 bpp + COMPRESSED_PVRT_RGBA, // 4 bpp + COMPRESSED_ASTC_4x4_RGBA, // 8 bpp + COMPRESSED_ASTC_8x8_RGBA // 2 bpp +} PixelFormat; + +// Texture parameters: filter mode +// NOTE 1: Filtering considers mipmaps if available in the texture +// NOTE 2: Filter is accordingly set for minification and magnification +typedef enum { + FILTER_POINT = 0, // No filter, just pixel aproximation + FILTER_BILINEAR, // Linear filtering + FILTER_TRILINEAR, // Trilinear filtering (linear with mipmaps) + FILTER_ANISOTROPIC_4X, // Anisotropic filtering 4x + FILTER_ANISOTROPIC_8X, // Anisotropic filtering 8x + FILTER_ANISOTROPIC_16X, // Anisotropic filtering 16x +} TextureFilterMode; + +// Cubemap layout type +typedef enum { + CUBEMAP_AUTO_DETECT = 0, // Automatically detect layout type + CUBEMAP_LINE_VERTICAL, // Layout is defined by a vertical line with faces + CUBEMAP_LINE_HORIZONTAL, // Layout is defined by an horizontal line with faces + CUBEMAP_CROSS_THREE_BY_FOUR, // Layout is defined by a 3x4 cross with cubemap faces + CUBEMAP_CROSS_FOUR_BY_THREE, // Layout is defined by a 4x3 cross with cubemap faces + CUBEMAP_PANORAMA // Layout is defined by a panorama image (equirectangular map) +} CubemapLayoutType; + +// Texture parameters: wrap mode +typedef enum { + WRAP_REPEAT = 0, // Repeats texture in tiled mode + WRAP_CLAMP, // Clamps texture to edge pixel in tiled mode + WRAP_MIRROR_REPEAT, // Mirrors and repeats the texture in tiled mode + WRAP_MIRROR_CLAMP // Mirrors and clamps to border the texture in tiled mode +} TextureWrapMode; + +// Font type, defines generation method +typedef enum { + FONT_DEFAULT = 0, // Default font generation, anti-aliased + FONT_BITMAP, // Bitmap font generation, no anti-aliasing + FONT_SDF // SDF font generation, requires external shader +} FontType; + +// Color blending modes (pre-defined) +typedef enum { + BLEND_ALPHA = 0, // Blend textures considering alpha (default) + BLEND_ADDITIVE, // Blend textures adding colors + BLEND_MULTIPLIED // Blend textures multiplying colors +} BlendMode; + +// Gestures type +// NOTE: It could be used as flags to enable only some gestures +typedef enum { + GESTURE_NONE = 0, + GESTURE_TAP = 1, + GESTURE_DOUBLETAP = 2, + GESTURE_HOLD = 4, + GESTURE_DRAG = 8, + GESTURE_SWIPE_RIGHT = 16, + GESTURE_SWIPE_LEFT = 32, + GESTURE_SWIPE_UP = 64, + GESTURE_SWIPE_DOWN = 128, + GESTURE_PINCH_IN = 256, + GESTURE_PINCH_OUT = 512 +} GestureType; + +// Camera system modes +typedef enum { + CAMERA_CUSTOM = 0, + CAMERA_FREE, + CAMERA_ORBITAL, + CAMERA_FIRST_PERSON, + CAMERA_THIRD_PERSON +} CameraMode; + +// Camera projection modes +typedef enum { + CAMERA_PERSPECTIVE = 0, + CAMERA_ORTHOGRAPHIC +} CameraType; + +// Type of n-patch +typedef enum { + NPT_9PATCH = 0, // Npatch defined by 3x3 tiles + NPT_3PATCH_VERTICAL, // Npatch defined by 1x3 tiles + NPT_3PATCH_HORIZONTAL // Npatch defined by 3x1 tiles +} NPatchType; + +// Callbacks to be implemented by users +typedef void (*TraceLogCallback)(int logType, const char *text, va_list args); + +#if defined(__cplusplus) +extern "C" { // Prevents name mangling of functions +#endif + +//------------------------------------------------------------------------------------ +// Global Variables Definition +//------------------------------------------------------------------------------------ +// It's lonely here... + +//------------------------------------------------------------------------------------ +// Window and Graphics Device Functions (Module: core) +//------------------------------------------------------------------------------------ + +// Window-related functions +RLAPI void InitWindow(int width, int height, const char *title); // Initialize window and OpenGL context +RLAPI bool WindowShouldClose(void); // Check if KEY_ESCAPE pressed or Close icon pressed +RLAPI void CloseWindow(void); // Close window and unload OpenGL context +RLAPI bool IsWindowReady(void); // Check if window has been initialized successfully +RLAPI bool IsWindowMinimized(void); // Check if window has been minimized (or lost focus) +RLAPI bool IsWindowResized(void); // Check if window has been resized +RLAPI bool IsWindowHidden(void); // Check if window is currently hidden +RLAPI bool IsWindowFullscreen(void); // Check if window is currently fullscreen +RLAPI void ToggleFullscreen(void); // Toggle fullscreen mode (only PLATFORM_DESKTOP) +RLAPI void UnhideWindow(void); // Show the window +RLAPI void HideWindow(void); // Hide the window +RLAPI void SetWindowIcon(Image image); // Set icon for window (only PLATFORM_DESKTOP) +RLAPI void SetWindowTitle(const char *title); // Set title for window (only PLATFORM_DESKTOP) +RLAPI void SetWindowPosition(int x, int y); // Set window position on screen (only PLATFORM_DESKTOP) +RLAPI void SetWindowMonitor(int monitor); // Set monitor for the current window (fullscreen mode) +RLAPI void SetWindowMinSize(int width, int height); // Set window minimum dimensions (for FLAG_WINDOW_RESIZABLE) +RLAPI void SetWindowSize(int width, int height); // Set window dimensions +RLAPI void *GetWindowHandle(void); // Get native window handle +RLAPI int GetScreenWidth(void); // Get current screen width +RLAPI int GetScreenHeight(void); // Get current screen height +RLAPI int GetMonitorCount(void); // Get number of connected monitors +RLAPI int GetMonitorWidth(int monitor); // Get primary monitor width +RLAPI int GetMonitorHeight(int monitor); // Get primary monitor height +RLAPI int GetMonitorPhysicalWidth(int monitor); // Get primary monitor physical width in millimetres +RLAPI int GetMonitorPhysicalHeight(int monitor); // Get primary monitor physical height in millimetres +RLAPI Vector2 GetWindowPosition(void); // Get window position XY on monitor +RLAPI const char *GetMonitorName(int monitor); // Get the human-readable, UTF-8 encoded name of the primary monitor +RLAPI const char *GetClipboardText(void); // Get clipboard text content +RLAPI void SetClipboardText(const char *text); // Set clipboard text content +RLAPI void GetOS(); // Get current operating system + +// Cursor-related functions +RLAPI void ShowCursor(void); // Shows cursor +RLAPI void HideCursor(void); // Hides cursor +RLAPI bool IsCursorHidden(void); // Check if cursor is not visible +RLAPI void EnableCursor(void); // Enables cursor (unlock cursor) +RLAPI void DisableCursor(void); // Disables cursor (lock cursor) + +// Drawing-related functions +RLAPI void ClearBackground(Color color); // Set background color (framebuffer clear color) +RLAPI void BeginDrawing(void); // Setup canvas (framebuffer) to start drawing +RLAPI void EndDrawing(void); // End canvas drawing and swap buffers (double buffering) +RLAPI void BeginMode2D(Camera2D camera); // Initialize 2D mode with custom camera (2D) +RLAPI void EndMode2D(void); // Ends 2D mode with custom camera +RLAPI void BeginMode3D(Camera3D camera); // Initializes 3D mode with custom camera (3D) +RLAPI void EndMode3D(void); // Ends 3D mode and returns to default 2D orthographic mode +RLAPI void BeginTextureMode(RenderTexture2D target); // Initializes render texture for drawing +RLAPI void EndTextureMode(void); // Ends drawing to render texture +RLAPI void BeginScissorMode(int x, int y, int width, int height); // Begin scissor mode (define screen area for following drawing) +RLAPI void EndScissorMode(void); // End scissor mode + +// Screen-space-related functions +RLAPI Ray GetMouseRay(Vector2 mousePosition, Camera camera); // Returns a ray trace from mouse position +RLAPI Matrix GetCameraMatrix(Camera camera); // Returns camera transform matrix (view matrix) +RLAPI Matrix GetCameraMatrix2D(Camera2D camera); // Returns camera 2d transform matrix +RLAPI Vector2 GetWorldToScreen(Vector3 position, Camera camera); // Returns the screen space position for a 3d world space position +RLAPI Vector2 GetWorldToScreenEx(Vector3 position, Camera camera, int width, int height); // Returns size position for a 3d world space position +RLAPI Vector2 GetWorldToScreen2D(Vector2 position, Camera2D camera); // Returns the screen space position for a 2d camera world space position +RLAPI Vector2 GetScreenToWorld2D(Vector2 position, Camera2D camera); // Returns the world space position for a 2d camera screen space position + +// Timing-related functions +RLAPI void SetTargetFPS(int fps); // Set target FPS (maximum) +RLAPI int GetFPS(void); // Returns current FPS +RLAPI float GetFrameTime(void); // Returns time in seconds for last frame drawn +RLAPI double GetTime(void); // Returns elapsed time in seconds since InitWindow() + +// Color-related functions +RLAPI int ColorToInt(Color color); // Returns hexadecimal value for a Color +RLAPI Vector4 ColorNormalize(Color color); // Returns color normalized as float [0..1] +RLAPI Color ColorFromNormalized(Vector4 normalized); // Returns color from normalized values [0..1] +RLAPI Vector3 ColorToHSV(Color color); // Returns HSV values for a Color +RLAPI Color ColorFromHSV(Vector3 hsv); // Returns a Color from HSV values +RLAPI Color GetColor(int hexValue); // Returns a Color struct from hexadecimal value +RLAPI Color Fade(Color color, float alpha); // Color fade-in or fade-out, alpha goes from 0.0f to 1.0f + +// Misc. functions +RLAPI void SetConfigFlags(unsigned int flags); // Setup window configuration flags (view FLAGS) +RLAPI void SetTraceLogLevel(int logType); // Set the current threshold (minimum) log level +RLAPI void SetTraceLogExit(int logType); // Set the exit threshold (minimum) log level +RLAPI void SetTraceLogCallback(TraceLogCallback callback); // Set a trace log callback to enable custom logging +RLAPI void TraceLog(int logType, const char *text, ...); // Show trace log messages (LOG_DEBUG, LOG_INFO, LOG_WARNING, LOG_ERROR) +RLAPI void TakeScreenshot(const char *fileName); // Takes a screenshot of current screen (saved a .png) +RLAPI int GetRandomValue(int min, int max); // Returns a random value between min and max (both included) + +// Files management functions +RLAPI unsigned char *LoadFileData(const char *fileName, unsigned int *bytesRead); // Load file data as byte array (read) +RLAPI void SaveFileData(const char *fileName, void *data, unsigned int bytesToWrite); // Save data to file from byte array (write) +RLAPI char *LoadFileText(const char *fileName); // Load text data from file (read), returns a '\0' terminated string +RLAPI void SaveFileText(const char *fileName, char *text); // Save text data to file (write), string must be '\0' terminated +RLAPI bool FileExists(const char *fileName); // Check if file exists +RLAPI bool IsFileExtension(const char *fileName, const char *ext);// Check file extension +RLAPI bool DirectoryExists(const char *dirPath); // Check if a directory path exists +RLAPI const char *GetExtension(const char *fileName); // Get pointer to extension for a filename string +RLAPI const char *GetFileName(const char *filePath); // Get pointer to filename for a path string +RLAPI const char *GetFileNameWithoutExt(const char *filePath); // Get filename string without extension (uses static string) +RLAPI const char *GetDirectoryPath(const char *filePath); // Get full path for a given fileName with path (uses static string) +RLAPI const char *GetPrevDirectoryPath(const char *dirPath); // Get previous directory path for a given path (uses static string) +RLAPI const char *GetWorkingDirectory(void); // Get current working directory (uses static string) +RLAPI char **GetDirectoryFiles(const char *dirPath, int *count); // Get filenames in a directory path (memory should be freed) +RLAPI void ClearDirectoryFiles(void); // Clear directory files paths buffers (free memory) +RLAPI bool ChangeDirectory(const char *dir); // Change working directory, returns true if success +RLAPI bool IsFileDropped(void); // Check if a file has been dropped into window +RLAPI char **GetDroppedFiles(int *count); // Get dropped files names (memory should be freed) +RLAPI void ClearDroppedFiles(void); // Clear dropped files paths buffer (free memory) +RLAPI long GetFileModTime(const char *fileName); // Get file modification time (last write time) + +RLAPI unsigned char *CompressData(unsigned char *data, int dataLength, int *compDataLength); // Compress data (DEFLATE algorythm) +RLAPI unsigned char *DecompressData(unsigned char *compData, int compDataLength, int *dataLength); // Decompress data (DEFLATE algorythm) + +// Persistent storage management +RLAPI void SaveStorageValue(unsigned int position, int value); // Save integer value to storage file (to defined position) +RLAPI int LoadStorageValue(unsigned int position); // Load integer value from storage file (from defined position) + +RLAPI void OpenURL(const char *url); // Open URL with default system browser (if available) + +//------------------------------------------------------------------------------------ +// Input Handling Functions (Module: core) +//------------------------------------------------------------------------------------ + +// Input-related functions: keyboard +RLAPI bool IsKeyPressed(int key); // Detect if a key has been pressed once +RLAPI bool IsKeyDown(int key); // Detect if a key is being pressed +RLAPI bool IsKeyReleased(int key); // Detect if a key has been released once +RLAPI bool IsKeyUp(int key); // Detect if a key is NOT being pressed +RLAPI void SetExitKey(int key); // Set a custom key to exit program (default is ESC) +RLAPI int GetKeyPressed(void); // Get key pressed, call it multiple times for chars queued + +// Input-related functions: gamepads +RLAPI bool IsGamepadAvailable(int gamepad); // Detect if a gamepad is available +RLAPI bool IsGamepadName(int gamepad, const char *name); // Check gamepad name (if available) +RLAPI const char *GetGamepadName(int gamepad); // Return gamepad internal name id +RLAPI bool IsGamepadButtonPressed(int gamepad, int button); // Detect if a gamepad button has been pressed once +RLAPI bool IsGamepadButtonDown(int gamepad, int button); // Detect if a gamepad button is being pressed +RLAPI bool IsGamepadButtonReleased(int gamepad, int button); // Detect if a gamepad button has been released once +RLAPI bool IsGamepadButtonUp(int gamepad, int button); // Detect if a gamepad button is NOT being pressed +RLAPI int GetGamepadButtonPressed(void); // Get the last gamepad button pressed +RLAPI int GetGamepadAxisCount(int gamepad); // Return gamepad axis count for a gamepad +RLAPI float GetGamepadAxisMovement(int gamepad, int axis); // Return axis movement value for a gamepad axis + +// Input-related functions: mouse +RLAPI bool IsMouseButtonPressed(int button); // Detect if a mouse button has been pressed once +RLAPI bool IsMouseButtonDown(int button); // Detect if a mouse button is being pressed +RLAPI bool IsMouseButtonReleased(int button); // Detect if a mouse button has been released once +RLAPI bool IsMouseButtonUp(int button); // Detect if a mouse button is NOT being pressed +RLAPI int GetMouseX(void); // Returns mouse position X +RLAPI int GetMouseY(void); // Returns mouse position Y +RLAPI Vector2 GetMousePosition(void); // Returns mouse position XY +RLAPI void SetMousePosition(int x, int y); // Set mouse position XY +RLAPI void SetMouseOffset(int offsetX, int offsetY); // Set mouse offset +RLAPI void SetMouseScale(float scaleX, float scaleY); // Set mouse scaling +RLAPI int GetMouseWheelMove(void); // Returns mouse wheel movement Y + +// Input-related functions: touch +RLAPI int GetTouchX(void); // Returns touch position X for touch point 0 (relative to screen size) +RLAPI int GetTouchY(void); // Returns touch position Y for touch point 0 (relative to screen size) +RLAPI Vector2 GetTouchPosition(int index); // Returns touch position XY for a touch point index (relative to screen size) + +//------------------------------------------------------------------------------------ +// Gestures and Touch Handling Functions (Module: gestures) +//------------------------------------------------------------------------------------ +RLAPI void SetGesturesEnabled(unsigned int gestureFlags); // Enable a set of gestures using flags +RLAPI bool IsGestureDetected(int gesture); // Check if a gesture have been detected +RLAPI int GetGestureDetected(void); // Get latest detected gesture +RLAPI int GetTouchPointsCount(void); // Get touch points count +RLAPI float GetGestureHoldDuration(void); // Get gesture hold time in milliseconds +RLAPI Vector2 GetGestureDragVector(void); // Get gesture drag vector +RLAPI float GetGestureDragAngle(void); // Get gesture drag angle +RLAPI Vector2 GetGesturePinchVector(void); // Get gesture pinch delta +RLAPI float GetGesturePinchAngle(void); // Get gesture pinch angle + +//------------------------------------------------------------------------------------ +// Camera System Functions (Module: camera) +//------------------------------------------------------------------------------------ +RLAPI void SetCameraMode(Camera camera, int mode); // Set camera mode (multiple camera modes available) +RLAPI void UpdateCamera(Camera *camera); // Update camera position for selected mode + +RLAPI void SetCameraPanControl(int panKey); // Set camera pan key to combine with mouse movement (free camera) +RLAPI void SetCameraAltControl(int altKey); // Set camera alt key to combine with mouse movement (free camera) +RLAPI void SetCameraSmoothZoomControl(int szKey); // Set camera smooth zoom key to combine with mouse (free camera) +RLAPI void SetCameraMoveControls(int frontKey, int backKey, int rightKey, int leftKey, int upKey, int downKey); // Set camera move controls (1st person and 3rd person cameras) + +//------------------------------------------------------------------------------------ +// Basic Shapes Drawing Functions (Module: shapes) +//------------------------------------------------------------------------------------ + +// Basic shapes drawing functions +RLAPI void DrawPixel(int posX, int posY, Color color); // Draw a pixel +RLAPI void DrawPixelV(Vector2 position, Color color); // Draw a pixel (Vector version) +RLAPI void DrawLine(int startPosX, int startPosY, int endPosX, int endPosY, Color color); // Draw a line +RLAPI void DrawLineV(Vector2 startPos, Vector2 endPos, Color color); // Draw a line (Vector version) +RLAPI void DrawLineEx(Vector2 startPos, Vector2 endPos, float thick, Color color); // Draw a line defining thickness +RLAPI void DrawLineBezier(Vector2 startPos, Vector2 endPos, float thick, Color color); // Draw a line using cubic-bezier curves in-out +RLAPI void DrawLineStrip(Vector2 *points, int numPoints, Color color); // Draw lines sequence +RLAPI void DrawCircle(int centerX, int centerY, float radius, Color color); // Draw a color-filled circle +RLAPI void DrawCircleSector(Vector2 center, float radius, int startAngle, int endAngle, int segments, Color color); // Draw a piece of a circle +RLAPI void DrawCircleSectorLines(Vector2 center, float radius, int startAngle, int endAngle, int segments, Color color); // Draw circle sector outline +RLAPI void DrawCircleGradient(int centerX, int centerY, float radius, Color color1, Color color2); // Draw a gradient-filled circle +RLAPI void DrawCircleV(Vector2 center, float radius, Color color); // Draw a color-filled circle (Vector version) +RLAPI void DrawCircleLines(int centerX, int centerY, float radius, Color color); // Draw circle outline +RLAPI void DrawEllipse(int centerX, int centerY, float radiusH, float radiusV, Color color); // Draw ellipse +RLAPI void DrawEllipseLines(int centerX, int centerY, float radiusH, float radiusV, Color color); // Draw ellipse outline +RLAPI void DrawRing(Vector2 center, float innerRadius, float outerRadius, int startAngle, int endAngle, int segments, Color color); // Draw ring +RLAPI void DrawRingLines(Vector2 center, float innerRadius, float outerRadius, int startAngle, int endAngle, int segments, Color color); // Draw ring outline +RLAPI void DrawRectangle(int posX, int posY, int width, int height, Color color); // Draw a color-filled rectangle +RLAPI void DrawRectangleV(Vector2 position, Vector2 size, Color color); // Draw a color-filled rectangle (Vector version) +RLAPI void DrawRectangleRec(Rectangle rec, Color color); // Draw a color-filled rectangle +RLAPI void DrawRectanglePro(Rectangle rec, Vector2 origin, float rotation, Color color); // Draw a color-filled rectangle with pro parameters +RLAPI void DrawRectangleGradientV(int posX, int posY, int width, int height, Color color1, Color color2);// Draw a vertical-gradient-filled rectangle +RLAPI void DrawRectangleGradientH(int posX, int posY, int width, int height, Color color1, Color color2);// Draw a horizontal-gradient-filled rectangle +RLAPI void DrawRectangleGradientEx(Rectangle rec, Color col1, Color col2, Color col3, Color col4); // Draw a gradient-filled rectangle with custom vertex colors +RLAPI void DrawRectangleLines(int posX, int posY, int width, int height, Color color); // Draw rectangle outline +RLAPI void DrawRectangleLinesEx(Rectangle rec, int lineThick, Color color); // Draw rectangle outline with extended parameters +RLAPI void DrawRectangleRounded(Rectangle rec, float roundness, int segments, Color color); // Draw rectangle with rounded edges +RLAPI void DrawRectangleRoundedLines(Rectangle rec, float roundness, int segments, int lineThick, Color color); // Draw rectangle with rounded edges outline +RLAPI void DrawTriangle(Vector2 v1, Vector2 v2, Vector2 v3, Color color); // Draw a color-filled triangle (vertex in counter-clockwise order!) +RLAPI void DrawTriangleLines(Vector2 v1, Vector2 v2, Vector2 v3, Color color); // Draw triangle outline (vertex in counter-clockwise order!) +RLAPI void DrawTriangleFan(Vector2 *points, int numPoints, Color color); // Draw a triangle fan defined by points (first vertex is the center) +RLAPI void DrawTriangleStrip(Vector2 *points, int pointsCount, Color color); // Draw a triangle strip defined by points +RLAPI void DrawPoly(Vector2 center, int sides, float radius, float rotation, Color color); // Draw a regular polygon (Vector version) +RLAPI void DrawPolyLines(Vector2 center, int sides, float radius, float rotation, Color color); // Draw a polygon outline of n sides + +// Basic shapes collision detection functions +RLAPI bool CheckCollisionRecs(Rectangle rec1, Rectangle rec2); // Check collision between two rectangles +RLAPI bool CheckCollisionCircles(Vector2 center1, float radius1, Vector2 center2, float radius2); // Check collision between two circles +RLAPI bool CheckCollisionCircleRec(Vector2 center, float radius, Rectangle rec); // Check collision between circle and rectangle +RLAPI Rectangle GetCollisionRec(Rectangle rec1, Rectangle rec2); // Get collision rectangle for two rectangles collision +RLAPI bool CheckCollisionPointRec(Vector2 point, Rectangle rec); // Check if point is inside rectangle +RLAPI bool CheckCollisionPointCircle(Vector2 point, Vector2 center, float radius); // Check if point is inside circle +RLAPI bool CheckCollisionPointTriangle(Vector2 point, Vector2 p1, Vector2 p2, Vector2 p3); // Check if point is inside a triangle + +//------------------------------------------------------------------------------------ +// Texture Loading and Drawing Functions (Module: textures) +//------------------------------------------------------------------------------------ + +// Image loading functions +// NOTE: This functions do not require GPU access +RLAPI Image LoadImage(const char *fileName); // Load image from file into CPU memory (RAM) +RLAPI Image LoadImageEx(Color *pixels, int width, int height); // Load image from Color array data (RGBA - 32bit) +RLAPI Image LoadImagePro(void *data, int width, int height, int format); // Load image from raw data with parameters +RLAPI Image LoadImageRaw(const char *fileName, int width, int height, int format, int headerSize); // Load image from RAW file data +RLAPI void UnloadImage(Image image); // Unload image from CPU memory (RAM) +RLAPI void ExportImage(Image image, const char *fileName); // Export image data to file +RLAPI void ExportImageAsCode(Image image, const char *fileName); // Export image as code file defining an array of bytes +RLAPI Color *GetImageData(Image image); // Get pixel data from image as a Color struct array +RLAPI Vector4 *GetImageDataNormalized(Image image); // Get pixel data from image as Vector4 array (float normalized) + +// Image generation functions +RLAPI Image GenImageColor(int width, int height, Color color); // Generate image: plain color +RLAPI Image GenImageGradientV(int width, int height, Color top, Color bottom); // Generate image: vertical gradient +RLAPI Image GenImageGradientH(int width, int height, Color left, Color right); // Generate image: horizontal gradient +RLAPI Image GenImageGradientRadial(int width, int height, float density, Color inner, Color outer); // Generate image: radial gradient +RLAPI Image GenImageChecked(int width, int height, int checksX, int checksY, Color col1, Color col2); // Generate image: checked +RLAPI Image GenImageWhiteNoise(int width, int height, float factor); // Generate image: white noise +RLAPI Image GenImagePerlinNoise(int width, int height, int offsetX, int offsetY, float scale); // Generate image: perlin noise +RLAPI Image GenImageCellular(int width, int height, int tileSize); // Generate image: cellular algorithm. Bigger tileSize means bigger cells + +// Image manipulation functions +RLAPI Image ImageCopy(Image image); // Create an image duplicate (useful for transformations) +RLAPI Image ImageFromImage(Image image, Rectangle rec); // Create an image from another image piece +RLAPI Image ImageText(const char *text, int fontSize, Color color); // Create an image from text (default font) +RLAPI Image ImageTextEx(Font font, const char *text, float fontSize, float spacing, Color tint); // Create an image from text (custom sprite font) +RLAPI void ImageToPOT(Image *image, Color fillColor); // Convert image to POT (power-of-two) +RLAPI void ImageFormat(Image *image, int newFormat); // Convert image data to desired format +RLAPI void ImageAlphaMask(Image *image, Image alphaMask); // Apply alpha mask to image +RLAPI void ImageAlphaClear(Image *image, Color color, float threshold); // Clear alpha channel to desired color +RLAPI void ImageAlphaCrop(Image *image, float threshold); // Crop image depending on alpha value +RLAPI void ImageAlphaPremultiply(Image *image); // Premultiply alpha channel +RLAPI void ImageCrop(Image *image, Rectangle crop); // Crop an image to a defined rectangle +RLAPI void ImageResize(Image *image, int newWidth, int newHeight); // Resize image (Bicubic scaling algorithm) +RLAPI void ImageResizeNN(Image *image, int newWidth,int newHeight); // Resize image (Nearest-Neighbor scaling algorithm) +RLAPI void ImageResizeCanvas(Image *image, int newWidth, int newHeight, int offsetX, int offsetY, Color color); // Resize canvas and fill with color +RLAPI void ImageMipmaps(Image *image); // Generate all mipmap levels for a provided image +RLAPI void ImageDither(Image *image, int rBpp, int gBpp, int bBpp, int aBpp); // Dither image data to 16bpp or lower (Floyd-Steinberg dithering) +RLAPI void ImageFlipVertical(Image *image); // Flip image vertically +RLAPI void ImageFlipHorizontal(Image *image); // Flip image horizontally +RLAPI void ImageRotateCW(Image *image); // Rotate image clockwise 90deg +RLAPI void ImageRotateCCW(Image *image); // Rotate image counter-clockwise 90deg +RLAPI void ImageColorTint(Image *image, Color color); // Modify image color: tint +RLAPI void ImageColorInvert(Image *image); // Modify image color: invert +RLAPI void ImageColorGrayscale(Image *image); // Modify image color: grayscale +RLAPI void ImageColorContrast(Image *image, float contrast); // Modify image color: contrast (-100 to 100) +RLAPI void ImageColorBrightness(Image *image, int brightness); // Modify image color: brightness (-255 to 255) +RLAPI void ImageColorReplace(Image *image, Color color, Color replace); // Modify image color: replace color +RLAPI Color *ImageExtractPalette(Image image, int maxPaletteSize, int *extractCount); // Extract color palette from image to maximum size (memory should be freed) +RLAPI Rectangle GetImageAlphaBorder(Image image, float threshold); // Get image alpha border rectangle + +// Image drawing functions +// NOTE: Image software-rendering functions (CPU) +RLAPI void ImageClearBackground(Image *dst, Color color); // Clear image background with given color +RLAPI void ImageDrawPixel(Image *dst, int posX, int posY, Color color); // Draw pixel within an image +RLAPI void ImageDrawPixelV(Image *dst, Vector2 position, Color color); // Draw pixel within an image (Vector version) +RLAPI void ImageDrawLine(Image *dst, int startPosX, int startPosY, int endPosX, int endPosY, Color color); // Draw line within an image +RLAPI void ImageDrawLineV(Image *dst, Vector2 start, Vector2 end, Color color); // Draw line within an image (Vector version) +RLAPI void ImageDrawCircle(Image *dst, int centerX, int centerY, int radius, Color color); // Draw circle within an image +RLAPI void ImageDrawCircleV(Image *dst, Vector2 center, int radius, Color color); // Draw circle within an image (Vector version) +RLAPI void ImageDrawRectangle(Image *dst, int posX, int posY, int width, int height, Color color); // Draw rectangle within an image +RLAPI void ImageDrawRectangleV(Image *dst, Vector2 position, Vector2 size, Color color); // Draw rectangle within an image (Vector version) +RLAPI void ImageDrawRectangleRec(Image *dst, Rectangle rec, Color color); // Draw rectangle within an image +RLAPI void ImageDrawRectangleLines(Image *dst, Rectangle rec, int thick, Color color); // Draw rectangle lines within an image +RLAPI void ImageDraw(Image *dst, Image src, Rectangle srcRec, Rectangle dstRec, Color tint); // Draw a source image within a destination image (tint applied to source) +RLAPI void ImageDrawText(Image *dst, Vector2 position, const char *text, int fontSize, Color color); // Draw text (default font) within an image (destination) +RLAPI void ImageDrawTextEx(Image *dst, Vector2 position, Font font, const char *text, float fontSize, float spacing, Color color); // Draw text (custom sprite font) within an image (destination) + +// Texture loading functions +// NOTE: These functions require GPU access +RLAPI Texture2D LoadTexture(const char *fileName); // Load texture from file into GPU memory (VRAM) +RLAPI Texture2D LoadTextureFromImage(Image image); // Load texture from image data +RLAPI TextureCubemap LoadTextureCubemap(Image image, int layoutType); // Load cubemap from image, multiple image cubemap layouts supported +RLAPI RenderTexture2D LoadRenderTexture(int width, int height); // Load texture for rendering (framebuffer) +RLAPI void UnloadTexture(Texture2D texture); // Unload texture from GPU memory (VRAM) +RLAPI void UnloadRenderTexture(RenderTexture2D target); // Unload render texture from GPU memory (VRAM) +RLAPI void UpdateTexture(Texture2D texture, const void *pixels); // Update GPU texture with new data +RLAPI Image GetTextureData(Texture2D texture); // Get pixel data from GPU texture and return an Image +RLAPI Image GetScreenData(void); // Get pixel data from screen buffer and return an Image (screenshot) + +// Texture configuration functions +RLAPI void GenTextureMipmaps(Texture2D *texture); // Generate GPU mipmaps for a texture +RLAPI void SetTextureFilter(Texture2D texture, int filterMode); // Set texture scaling filter mode +RLAPI void SetTextureWrap(Texture2D texture, int wrapMode); // Set texture wrapping mode + +// Texture drawing functions +RLAPI void DrawTexture(Texture2D texture, int posX, int posY, Color tint); // Draw a Texture2D +RLAPI void DrawTextureV(Texture2D texture, Vector2 position, Color tint); // Draw a Texture2D with position defined as Vector2 +RLAPI void DrawTextureEx(Texture2D texture, Vector2 position, float rotation, float scale, Color tint); // Draw a Texture2D with extended parameters +RLAPI void DrawTextureRec(Texture2D texture, Rectangle sourceRec, Vector2 position, Color tint); // Draw a part of a texture defined by a rectangle +RLAPI void DrawTextureQuad(Texture2D texture, Vector2 tiling, Vector2 offset, Rectangle quad, Color tint); // Draw texture quad with tiling and offset parameters +RLAPI void DrawTexturePro(Texture2D texture, Rectangle sourceRec, Rectangle destRec, Vector2 origin, float rotation, Color tint); // Draw a part of a texture defined by a rectangle with 'pro' parameters +RLAPI void DrawTextureNPatch(Texture2D texture, NPatchInfo nPatchInfo, Rectangle destRec, Vector2 origin, float rotation, Color tint); // Draws a texture (or part of it) that stretches or shrinks nicely + +// Image/Texture misc functions +RLAPI int GetPixelDataSize(int width, int height, int format); // Get pixel data size in bytes (image or texture) + +//------------------------------------------------------------------------------------ +// Font Loading and Text Drawing Functions (Module: text) +//------------------------------------------------------------------------------------ + +// Font loading/unloading functions +RLAPI Font GetFontDefault(void); // Get the default Font +RLAPI Font LoadFont(const char *fileName); // Load font from file into GPU memory (VRAM) +RLAPI Font LoadFontEx(const char *fileName, int fontSize, int *fontChars, int charsCount); // Load font from file with extended parameters +RLAPI Font LoadFontFromImage(Image image, Color key, int firstChar); // Load font from Image (XNA style) +RLAPI CharInfo *LoadFontData(const char *fileName, int fontSize, int *fontChars, int charsCount, int type); // Load font data for further use +RLAPI Image GenImageFontAtlas(const CharInfo *chars, Rectangle **recs, int charsCount, int fontSize, int padding, int packMethod); // Generate image font atlas using chars info +RLAPI void UnloadFont(Font font); // Unload Font from GPU memory (VRAM) + +// Text drawing functions +RLAPI void DrawFPS(int posX, int posY); // Shows current FPS +RLAPI void DrawText(const char *text, int posX, int posY, int fontSize, Color color); // Draw text (using default font) +RLAPI void DrawTextEx(Font font, const char *text, Vector2 position, float fontSize, float spacing, Color tint); // Draw text using font and additional parameters +RLAPI void DrawTextRec(Font font, const char *text, Rectangle rec, float fontSize, float spacing, bool wordWrap, Color tint); // Draw text using font inside rectangle limits +RLAPI void DrawTextRecEx(Font font, const char *text, Rectangle rec, float fontSize, float spacing, bool wordWrap, Color tint, + int selectStart, int selectLength, Color selectTint, Color selectBackTint); // Draw text using font inside rectangle limits with support for text selection +RLAPI void DrawTextCodepoint(Font font, int codepoint, Vector2 position, float scale, Color tint); // Draw one character (codepoint) + +// Text misc. functions +RLAPI int MeasureText(const char *text, int fontSize); // Measure string width for default font +RLAPI Vector2 MeasureTextEx(Font font, const char *text, float fontSize, float spacing); // Measure string size for Font +RLAPI int GetGlyphIndex(Font font, int codepoint); // Get index position for a unicode character on font + +// Text strings management functions (no utf8 strings, only byte chars) +// NOTE: Some strings allocate memory internally for returned strings, just be careful! +RLAPI int TextCopy(char *dst, const char *src); // Copy one string to another, returns bytes copied +RLAPI bool TextIsEqual(const char *text1, const char *text2); // Check if two text string are equal +RLAPI unsigned int TextLength(const char *text); // Get text length, checks for '\0' ending +RLAPI const char *TextFormat(const char *text, ...); // Text formatting with variables (sprintf style) +RLAPI const char *TextSubtext(const char *text, int position, int length); // Get a piece of a text string +RLAPI char *TextReplace(char *text, const char *replace, const char *by); // Replace text string (memory must be freed!) +RLAPI char *TextInsert(const char *text, const char *insert, int position); // Insert text in a position (memory must be freed!) +RLAPI const char *TextJoin(const char **textList, int count, const char *delimiter); // Join text strings with delimiter +RLAPI const char **TextSplit(const char *text, char delimiter, int *count); // Split text into multiple strings +RLAPI void TextAppend(char *text, const char *append, int *position); // Append text at specific position and move cursor! +RLAPI int TextFindIndex(const char *text, const char *find); // Find first text occurrence within a string +RLAPI const char *TextToUpper(const char *text); // Get upper case version of provided string +RLAPI const char *TextToLower(const char *text); // Get lower case version of provided string +RLAPI const char *TextToPascal(const char *text); // Get Pascal case notation version of provided string +RLAPI int TextToInteger(const char *text); // Get integer value from text (negative values not supported) +RLAPI char *TextToUtf8(int *codepoints, int length); // Encode text codepoint into utf8 text (memory must be freed!) + +// UTF8 text strings management functions +RLAPI int *GetCodepoints(const char *text, int *count); // Get all codepoints in a string, codepoints count returned by parameters +RLAPI int GetCodepointsCount(const char *text); // Get total number of characters (codepoints) in a UTF8 encoded string +RLAPI int GetNextCodepoint(const char *text, int *bytesProcessed); // Returns next codepoint in a UTF8 encoded string; 0x3f('?') is returned on failure +RLAPI const char *CodepointToUtf8(int codepoint, int *byteLength); // Encode codepoint into utf8 text (char array length returned as parameter) + +//------------------------------------------------------------------------------------ +// Basic 3d Shapes Drawing Functions (Module: models) +//------------------------------------------------------------------------------------ + +// Basic geometric 3D shapes drawing functions +RLAPI void DrawLine3D(Vector3 startPos, Vector3 endPos, Color color); // Draw a line in 3D world space +RLAPI void DrawPoint3D(Vector3 position, Color color); // Draw a point in 3D space, actually a small line +RLAPI void DrawCircle3D(Vector3 center, float radius, Vector3 rotationAxis, float rotationAngle, Color color); // Draw a circle in 3D world space +RLAPI void DrawCube(Vector3 position, float width, float height, float length, Color color); // Draw cube +RLAPI void DrawCubeV(Vector3 position, Vector3 size, Color color); // Draw cube (Vector version) +RLAPI void DrawCubeWires(Vector3 position, float width, float height, float length, Color color); // Draw cube wires +RLAPI void DrawCubeWiresV(Vector3 position, Vector3 size, Color color); // Draw cube wires (Vector version) +RLAPI void DrawCubeTexture(Texture2D texture, Vector3 position, float width, float height, float length, Color color); // Draw cube textured +RLAPI void DrawSphere(Vector3 centerPos, float radius, Color color); // Draw sphere +RLAPI void DrawSphereEx(Vector3 centerPos, float radius, int rings, int slices, Color color); // Draw sphere with extended parameters +RLAPI void DrawSphereWires(Vector3 centerPos, float radius, int rings, int slices, Color color); // Draw sphere wires +RLAPI void DrawCylinder(Vector3 position, float radiusTop, float radiusBottom, float height, int slices, Color color); // Draw a cylinder/cone +RLAPI void DrawCylinderWires(Vector3 position, float radiusTop, float radiusBottom, float height, int slices, Color color); // Draw a cylinder/cone wires +RLAPI void DrawPlane(Vector3 centerPos, Vector2 size, Color color); // Draw a plane XZ +RLAPI void DrawRay(Ray ray, Color color); // Draw a ray line +RLAPI void DrawGrid(int slices, float spacing); // Draw a grid (centered at (0, 0, 0)) +RLAPI void DrawGizmo(Vector3 position); // Draw simple gizmo +//DrawTorus(), DrawTeapot() could be useful? + +//------------------------------------------------------------------------------------ +// Model 3d Loading and Drawing Functions (Module: models) +//------------------------------------------------------------------------------------ + +// Model loading/unloading functions +RLAPI Model LoadModel(const char *fileName); // Load model from files (meshes and materials) +RLAPI Model LoadModelFromMesh(Mesh mesh); // Load model from generated mesh (default material) +RLAPI void UnloadModel(Model model); // Unload model from memory (RAM and/or VRAM) + +// Mesh loading/unloading functions +RLAPI Mesh *LoadMeshes(const char *fileName, int *meshCount); // Load meshes from model file +RLAPI void ExportMesh(Mesh mesh, const char *fileName); // Export mesh data to file +RLAPI void UnloadMesh(Mesh mesh); // Unload mesh from memory (RAM and/or VRAM) + +// Material loading/unloading functions +RLAPI Material *LoadMaterials(const char *fileName, int *materialCount); // Load materials from model file +RLAPI Material LoadMaterialDefault(void); // Load default material (Supports: DIFFUSE, SPECULAR, NORMAL maps) +RLAPI void UnloadMaterial(Material material); // Unload material from GPU memory (VRAM) +RLAPI void SetMaterialTexture(Material *material, int mapType, Texture2D texture); // Set texture for a material map type (MAP_DIFFUSE, MAP_SPECULAR...) +RLAPI void SetModelMeshMaterial(Model *model, int meshId, int materialId); // Set material for a mesh + +// Model animations loading/unloading functions +RLAPI ModelAnimation *LoadModelAnimations(const char *fileName, int *animsCount); // Load model animations from file +RLAPI void UpdateModelAnimation(Model model, ModelAnimation anim, int frame); // Update model animation pose +RLAPI void UnloadModelAnimation(ModelAnimation anim); // Unload animation data +RLAPI bool IsModelAnimationValid(Model model, ModelAnimation anim); // Check model animation skeleton match + +// Mesh generation functions +RLAPI Mesh GenMeshPoly(int sides, float radius); // Generate polygonal mesh +RLAPI Mesh GenMeshPlane(float width, float length, int resX, int resZ); // Generate plane mesh (with subdivisions) +RLAPI Mesh GenMeshCube(float width, float height, float length); // Generate cuboid mesh +RLAPI Mesh GenMeshSphere(float radius, int rings, int slices); // Generate sphere mesh (standard sphere) +RLAPI Mesh GenMeshHemiSphere(float radius, int rings, int slices); // Generate half-sphere mesh (no bottom cap) +RLAPI Mesh GenMeshCylinder(float radius, float height, int slices); // Generate cylinder mesh +RLAPI Mesh GenMeshTorus(float radius, float size, int radSeg, int sides); // Generate torus mesh +RLAPI Mesh GenMeshKnot(float radius, float size, int radSeg, int sides); // Generate trefoil knot mesh +RLAPI Mesh GenMeshHeightmap(Image heightmap, Vector3 size); // Generate heightmap mesh from image data +RLAPI Mesh GenMeshCubicmap(Image cubicmap, Vector3 cubeSize); // Generate cubes-based map mesh from image data + +// Mesh manipulation functions +RLAPI BoundingBox MeshBoundingBox(Mesh mesh); // Compute mesh bounding box limits +RLAPI void MeshTangents(Mesh *mesh); // Compute mesh tangents +RLAPI void MeshBinormals(Mesh *mesh); // Compute mesh binormals + +// Model drawing functions +RLAPI void DrawModel(Model model, Vector3 position, float scale, Color tint); // Draw a model (with texture if set) +RLAPI void DrawModelEx(Model model, Vector3 position, Vector3 rotationAxis, float rotationAngle, Vector3 scale, Color tint); // Draw a model with extended parameters +RLAPI void DrawModelWires(Model model, Vector3 position, float scale, Color tint); // Draw a model wires (with texture if set) +RLAPI void DrawModelWiresEx(Model model, Vector3 position, Vector3 rotationAxis, float rotationAngle, Vector3 scale, Color tint); // Draw a model wires (with texture if set) with extended parameters +RLAPI void DrawBoundingBox(BoundingBox box, Color color); // Draw bounding box (wires) +RLAPI void DrawBillboard(Camera camera, Texture2D texture, Vector3 center, float size, Color tint); // Draw a billboard texture +RLAPI void DrawBillboardRec(Camera camera, Texture2D texture, Rectangle sourceRec, Vector3 center, float size, Color tint); // Draw a billboard texture defined by sourceRec + +// Collision detection functions +RLAPI bool CheckCollisionSpheres(Vector3 centerA, float radiusA, Vector3 centerB, float radiusB); // Detect collision between two spheres +RLAPI bool CheckCollisionBoxes(BoundingBox box1, BoundingBox box2); // Detect collision between two bounding boxes +RLAPI bool CheckCollisionBoxSphere(BoundingBox box, Vector3 center, float radius); // Detect collision between box and sphere +RLAPI bool CheckCollisionRaySphere(Ray ray, Vector3 center, float radius); // Detect collision between ray and sphere +RLAPI bool CheckCollisionRaySphereEx(Ray ray, Vector3 center, float radius, Vector3 *collisionPoint); // Detect collision between ray and sphere, returns collision point +RLAPI bool CheckCollisionRayBox(Ray ray, BoundingBox box); // Detect collision between ray and box +RLAPI RayHitInfo GetCollisionRayModel(Ray ray, Model model); // Get collision info between ray and model +RLAPI RayHitInfo GetCollisionRayTriangle(Ray ray, Vector3 p1, Vector3 p2, Vector3 p3); // Get collision info between ray and triangle +RLAPI RayHitInfo GetCollisionRayGround(Ray ray, float groundHeight); // Get collision info between ray and ground plane (Y-normal plane) + +//------------------------------------------------------------------------------------ +// Shaders System Functions (Module: rlgl) +// NOTE: This functions are useless when using OpenGL 1.1 +//------------------------------------------------------------------------------------ + +// Shader loading/unloading functions +RLAPI Shader LoadShader(const char *vsFileName, const char *fsFileName); // Load shader from files and bind default locations +RLAPI Shader LoadShaderCode(const char *vsCode, const char *fsCode); // Load shader from code strings and bind default locations +RLAPI void UnloadShader(Shader shader); // Unload shader from GPU memory (VRAM) + +RLAPI Shader GetShaderDefault(void); // Get default shader +RLAPI Texture2D GetTextureDefault(void); // Get default texture +RLAPI Texture2D GetShapesTexture(void); // Get texture to draw shapes +RLAPI Rectangle GetShapesTextureRec(void); // Get texture rectangle to draw shapes +RLAPI void SetShapesTexture(Texture2D texture, Rectangle source); // Define default texture used to draw shapes + +// Shader configuration functions +RLAPI int GetShaderLocation(Shader shader, const char *uniformName); // Get shader uniform location +RLAPI void SetShaderValue(Shader shader, int uniformLoc, const void *value, int uniformType); // Set shader uniform value +RLAPI void SetShaderValueV(Shader shader, int uniformLoc, const void *value, int uniformType, int count); // Set shader uniform value vector +RLAPI void SetShaderValueMatrix(Shader shader, int uniformLoc, Matrix mat); // Set shader uniform value (matrix 4x4) +RLAPI void SetShaderValueTexture(Shader shader, int uniformLoc, Texture2D texture); // Set shader uniform value for texture +RLAPI void SetMatrixProjection(Matrix proj); // Set a custom projection matrix (replaces internal projection matrix) +RLAPI void SetMatrixModelview(Matrix view); // Set a custom modelview matrix (replaces internal modelview matrix) +RLAPI Matrix GetMatrixModelview(void); // Get internal modelview matrix +RLAPI Matrix GetMatrixProjection(void); // Get internal projection matrix + +// Texture maps generation (PBR) +// NOTE: Required shaders should be provided +RLAPI Texture2D GenTextureCubemap(Shader shader, Texture2D map, int size); // Generate cubemap texture from 2D texture +RLAPI Texture2D GenTextureIrradiance(Shader shader, Texture2D cubemap, int size); // Generate irradiance texture using cubemap data +RLAPI Texture2D GenTexturePrefilter(Shader shader, Texture2D cubemap, int size); // Generate prefilter texture using cubemap data +RLAPI Texture2D GenTextureBRDF(Shader shader, int size); // Generate BRDF texture + +// Shading begin/end functions +RLAPI void BeginShaderMode(Shader shader); // Begin custom shader drawing +RLAPI void EndShaderMode(void); // End custom shader drawing (use default shader) +RLAPI void BeginBlendMode(int mode); // Begin blending mode (alpha, additive, multiplied) +RLAPI void EndBlendMode(void); // End blending mode (reset to default: alpha blending) + +// VR control functions +RLAPI void InitVrSimulator(void); // Init VR simulator for selected device parameters +RLAPI void CloseVrSimulator(void); // Close VR simulator for current device +RLAPI void UpdateVrTracking(Camera *camera); // Update VR tracking (position and orientation) and camera +RLAPI void SetVrConfiguration(VrDeviceInfo info, Shader distortion); // Set stereo rendering configuration parameters +RLAPI bool IsVrSimulatorReady(void); // Detect if VR simulator is ready +RLAPI void ToggleVrMode(void); // Enable/Disable VR experience +RLAPI void BeginVrDrawing(void); // Begin VR simulator stereo rendering +RLAPI void EndVrDrawing(void); // End VR simulator stereo rendering + +//------------------------------------------------------------------------------------ +// Audio Loading and Playing Functions (Module: audio) +//------------------------------------------------------------------------------------ + +// Audio device management functions +RLAPI void InitAudioDevice(void); // Initialize audio device and context +RLAPI void CloseAudioDevice(void); // Close the audio device and context +RLAPI bool IsAudioDeviceReady(void); // Check if audio device has been initialized successfully +RLAPI void SetMasterVolume(float volume); // Set master volume (listener) + +// Wave/Sound loading/unloading functions +RLAPI Wave LoadWave(const char *fileName); // Load wave data from file +RLAPI Sound LoadSound(const char *fileName); // Load sound from file +RLAPI Sound LoadSoundFromWave(Wave wave); // Load sound from wave data +RLAPI void UpdateSound(Sound sound, const void *data, int samplesCount);// Update sound buffer with new data +RLAPI void UnloadWave(Wave wave); // Unload wave data +RLAPI void UnloadSound(Sound sound); // Unload sound +RLAPI void ExportWave(Wave wave, const char *fileName); // Export wave data to file +RLAPI void ExportWaveAsCode(Wave wave, const char *fileName); // Export wave sample data to code (.h) + +// Wave/Sound management functions +RLAPI void PlaySound(Sound sound); // Play a sound +RLAPI void StopSound(Sound sound); // Stop playing a sound +RLAPI void PauseSound(Sound sound); // Pause a sound +RLAPI void ResumeSound(Sound sound); // Resume a paused sound +RLAPI void PlaySoundMulti(Sound sound); // Play a sound (using multichannel buffer pool) +RLAPI void StopSoundMulti(void); // Stop any sound playing (using multichannel buffer pool) +RLAPI int GetSoundsPlaying(void); // Get number of sounds playing in the multichannel +RLAPI bool IsSoundPlaying(Sound sound); // Check if a sound is currently playing +RLAPI void SetSoundVolume(Sound sound, float volume); // Set volume for a sound (1.0 is max level) +RLAPI void SetSoundPitch(Sound sound, float pitch); // Set pitch for a sound (1.0 is base level) +RLAPI void WaveFormat(Wave *wave, int sampleRate, int sampleSize, int channels); // Convert wave data to desired format +RLAPI Wave WaveCopy(Wave wave); // Copy a wave to a new wave +RLAPI void WaveCrop(Wave *wave, int initSample, int finalSample); // Crop a wave to defined samples range +RLAPI float *GetWaveData(Wave wave); // Get samples data from wave as a floats array + +// Music management functions +RLAPI Music LoadMusicStream(const char *fileName); // Load music stream from file +RLAPI void UnloadMusicStream(Music music); // Unload music stream +RLAPI void PlayMusicStream(Music music); // Start music playing +RLAPI void UpdateMusicStream(Music music); // Updates buffers for music streaming +RLAPI void StopMusicStream(Music music); // Stop music playing +RLAPI void PauseMusicStream(Music music); // Pause music playing +RLAPI void ResumeMusicStream(Music music); // Resume playing paused music +RLAPI bool IsMusicPlaying(Music music); // Check if music is playing +RLAPI void SetMusicVolume(Music music, float volume); // Set volume for music (1.0 is max level) +RLAPI void SetMusicPitch(Music music, float pitch); // Set pitch for a music (1.0 is base level) +RLAPI void SetMusicLoopCount(Music music, int count); // Set music loop count (loop repeats) +RLAPI float GetMusicTimeLength(Music music); // Get music time length (in seconds) +RLAPI float GetMusicTimePlayed(Music music); // Get current music time played (in seconds) + +// AudioStream management functions +RLAPI AudioStream InitAudioStream(unsigned int sampleRate, unsigned int sampleSize, unsigned int channels); // Init audio stream (to stream raw audio pcm data) +RLAPI void UpdateAudioStream(AudioStream stream, const void *data, int samplesCount); // Update audio stream buffers with data +RLAPI void CloseAudioStream(AudioStream stream); // Close audio stream and free memory +RLAPI bool IsAudioStreamProcessed(AudioStream stream); // Check if any audio stream buffers requires refill +RLAPI void PlayAudioStream(AudioStream stream); // Play audio stream +RLAPI void PauseAudioStream(AudioStream stream); // Pause audio stream +RLAPI void ResumeAudioStream(AudioStream stream); // Resume audio stream +RLAPI bool IsAudioStreamPlaying(AudioStream stream); // Check if audio stream is playing +RLAPI void StopAudioStream(AudioStream stream); // Stop audio stream +RLAPI void SetAudioStreamVolume(AudioStream stream, float volume); // Set volume for audio stream (1.0 is max level) +RLAPI void SetAudioStreamPitch(AudioStream stream, float pitch); // Set pitch for audio stream (1.0 is base level) +RLAPI void SetAudioStreamBufferSizeDefault(int size); // Default size for new audio streams + +//------------------------------------------------------------------------------------ +// Network (Module: network) +//------------------------------------------------------------------------------------ + +// IN PROGRESS: Check rnet.h for reference + +#if defined(__cplusplus) +} +#endif + +#endif // RAYLIB_H