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Add a system to allow the user to change the input mapping for the camera, pattern it off the other raylib functions, such as SetExitKey

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This commit is contained in:
Jeffery Myers 2023-02-14 17:03:06 -08:00
parent 5dedb27ce0
commit ab8b2fb7a3
3 changed files with 79 additions and 12 deletions
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16
src/raylib.h
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@ -895,6 +895,22 @@ typedef enum {
CAMERA_ORTHOGRAPHIC // Orthographic projection
} CameraProjection;
typedef enum {
CAMERA_INPUT_FORWARD = 0,
CAMERA_INPUT_BACK,
CAMERA_INPUT_LEFT,
CAMERA_INPUT_RIGHT,
CAMERA_INPUT_PITCH_UP,
CAMERA_INPUT_PITCH_DOWN,
CAMERA_INPUT_YAW_LEFT,
CAMERA_INPUT_YAW_RIGHT,
CAMERA_INPUT_ROLL_LEFT,
CAMERA_INPUT_ROLL_RIGHT,
CAMERA_INPUT_ZOOM_IN,
CAMERA_INPUT_ZOOM_OUT,
}CameraInputKeys;
#define CAMERA_MAX_INPUT_KEYS 12
// N-patch layout
typedef enum {
NPATCH_NINE_PATCH = 0, // Npatch layout: 3x3 tiles

72
src/rcamera.h
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@ -99,6 +99,22 @@
CAMERA_PERSPECTIVE = 0,
CAMERA_ORTHOGRAPHIC
} CameraProjection;
typedef enum {
CAMERA_INPUT_FORWARD = 0,
CAMERA_INPUT_BACK,
CAMERA_INPUT_LEFT,
CAMERA_INPUT_RIGHT,
CAMERA_INPUT_PITCH_UP,
CAMERA_INPUT_PITCH_DOWN,
CAMERA_INPUT_YAW_LEFT,
CAMERA_INPUT_YAW_RIGHT,
CAMERA_INPUT_ROLL_LEFT,
CAMERA_INPUT_ROLL_RIGHT,
CAMERA_INPUT_ZOOM_IN,
CAMERA_INPUT_ZOOM_OUT,
}CameraInputKeys;
#define CAMERA_MAX_INPUT_KEYS 12
#endif
//----------------------------------------------------------------------------------
@ -130,6 +146,9 @@ void CameraRoll(Camera *camera, float angle);
Matrix GetCameraViewMatrix(Camera *camera);
Matrix GetCameraProjectionMatrix(Camera* camera, float aspect);
void CameraSetup();
void SetCameraInputKey(int input, int key);
#if defined(__cplusplus)
}
#endif
@ -192,6 +211,8 @@ Matrix GetCameraProjectionMatrix(Camera* camera, float aspect);
//----------------------------------------------------------------------------------
//...
static int CameraInputMap[CAMERA_MAX_INPUT_KEYS] = { 0 };
//----------------------------------------------------------------------------------
// Module specific Functions Declaration
//----------------------------------------------------------------------------------
@ -200,6 +221,33 @@ Matrix GetCameraProjectionMatrix(Camera* camera, float aspect);
//----------------------------------------------------------------------------------
// Module Functions Definition
//----------------------------------------------------------------------------------
// initializes the camera input keys used in UpdateCamera
void CameraSetup()
{
CameraInputMap[CAMERA_INPUT_FORWARD] = KEY_W;
CameraInputMap[CAMERA_INPUT_BACK] = KEY_S;
CameraInputMap[CAMERA_INPUT_LEFT] = KEY_A;
CameraInputMap[CAMERA_INPUT_RIGHT] = KEY_D;
CameraInputMap[CAMERA_INPUT_PITCH_UP] = KEY_UP;
CameraInputMap[CAMERA_INPUT_PITCH_DOWN] = KEY_DOWN;
CameraInputMap[CAMERA_INPUT_YAW_LEFT] = KEY_LEFT;
CameraInputMap[CAMERA_INPUT_YAW_RIGHT] = KEY_RIGHT;
CameraInputMap[CAMERA_INPUT_ROLL_LEFT] = KEY_Q;
CameraInputMap[CAMERA_INPUT_ROLL_RIGHT] = KEY_E;
CameraInputMap[CAMERA_INPUT_ZOOM_IN] = KEY_KP_SUBTRACT;
CameraInputMap[CAMERA_INPUT_ZOOM_OUT] = KEY_KP_ADD;
}
// Sets the input key mapping
void SetCameraInputKey(int input, int key)
{
if (input < 0 || input >= CAMERA_MAX_INPUT_KEYS)
return;
CameraInputMap[input] = key;
}
// Returns the cameras forward vector (normalized)
Vector3 GetCameraForward(Camera *camera)
{
@ -420,28 +468,28 @@ void UpdateCamera(Camera *camera, int mode)
bool rotateUp = mode == CAMERA_FREE;
// Camera rotation
if (IsKeyDown(KEY_DOWN)) CameraPitch(camera, -CAMERA_ROTATION_SPEED, lockView, rotateAroundTarget, rotateUp);
if (IsKeyDown(KEY_UP)) CameraPitch(camera, CAMERA_ROTATION_SPEED, lockView, rotateAroundTarget, rotateUp);
if (IsKeyDown(KEY_RIGHT)) CameraYaw(camera, -CAMERA_ROTATION_SPEED, rotateAroundTarget);
if (IsKeyDown(KEY_LEFT)) CameraYaw(camera, CAMERA_ROTATION_SPEED, rotateAroundTarget);
if (IsKeyDown(KEY_Q)) CameraRoll(camera, -CAMERA_ROTATION_SPEED);
if (IsKeyDown(KEY_E)) CameraRoll(camera, CAMERA_ROTATION_SPEED);
if (IsKeyDown(CameraInputMap[CAMERA_INPUT_PITCH_DOWN])) CameraPitch(camera, -CAMERA_ROTATION_SPEED, lockView, rotateAroundTarget, rotateUp);
if (IsKeyDown(CameraInputMap[CAMERA_INPUT_PITCH_UP])) CameraPitch(camera, CAMERA_ROTATION_SPEED, lockView, rotateAroundTarget, rotateUp);
if (IsKeyDown(CameraInputMap[CAMERA_INPUT_YAW_RIGHT])) CameraYaw(camera, -CAMERA_ROTATION_SPEED, rotateAroundTarget);
if (IsKeyDown(CameraInputMap[CAMERA_INPUT_YAW_LEFT])) CameraYaw(camera, CAMERA_ROTATION_SPEED, rotateAroundTarget);
if (IsKeyDown(CameraInputMap[CAMERA_INPUT_ROLL_LEFT])) CameraRoll(camera, -CAMERA_ROTATION_SPEED);
if (IsKeyDown(CameraInputMap[CAMERA_INPUT_ROLL_RIGHT])) CameraRoll(camera, CAMERA_ROTATION_SPEED);
CameraYaw(camera, -mousePositionDelta.x*CAMERA_MOUSE_MOVE_SENSITIVITY, rotateAroundTarget);
CameraPitch(camera, -mousePositionDelta.y*CAMERA_MOUSE_MOVE_SENSITIVITY, lockView, rotateAroundTarget, rotateUp);
// Camera movement
if (IsKeyDown(KEY_W)) CameraMoveForward(camera, CAMERA_MOVE_SPEED, moveInWorldPlane);
if (IsKeyDown(KEY_A)) CameraMoveRight(camera, -CAMERA_MOVE_SPEED, moveInWorldPlane);
if (IsKeyDown(KEY_S)) CameraMoveForward(camera, -CAMERA_MOVE_SPEED, moveInWorldPlane);
if (IsKeyDown(KEY_D)) CameraMoveRight(camera, CAMERA_MOVE_SPEED, moveInWorldPlane);
if (IsKeyDown(CameraInputMap[CAMERA_INPUT_FORWARD])) CameraMoveForward(camera, CAMERA_MOVE_SPEED, moveInWorldPlane);
if (IsKeyDown(CameraInputMap[CAMERA_INPUT_LEFT])) CameraMoveRight(camera, -CAMERA_MOVE_SPEED, moveInWorldPlane);
if (IsKeyDown(CameraInputMap[CAMERA_INPUT_BACK])) CameraMoveForward(camera, -CAMERA_MOVE_SPEED, moveInWorldPlane);
if (IsKeyDown(CameraInputMap[CAMERA_INPUT_RIGHT])) CameraMoveRight(camera, CAMERA_MOVE_SPEED, moveInWorldPlane);
//if (IsKeyDown(KEY_SPACE)) CameraMoveUp(camera, CAMERA_MOVE_SPEED);
//if (IsKeyDown(KEY_LEFT_CONTROL)) CameraMoveUp(camera, -CAMERA_MOVE_SPEED);
// Zoom target distance
CameraMoveToTarget(camera, -GetMouseWheelMove());
if (IsKeyPressed(KEY_KP_SUBTRACT)) CameraMoveToTarget(camera, 2.0f);
if (IsKeyPressed(KEY_KP_ADD)) CameraMoveToTarget(camera, -2.0f);
if (IsKeyPressed(CameraInputMap[CAMERA_INPUT_ZOOM_IN])) CameraMoveToTarget(camera, 2.0f);
if (IsKeyPressed(CameraInputMap[CAMERA_INPUT_ZOOM_OUT])) CameraMoveToTarget(camera, -2.0f);
}
#endif // !CAMERA_STANDALONE

3
src/rcore.c
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@ -838,6 +838,9 @@ void InitWindow(int width, int height, const char *title)
}
}
#endif
#if defined(SUPPORT_CAMERA_SYSTEM)
CameraSetup();
#endif
#if defined(PLATFORM_DESKTOP) || defined(PLATFORM_WEB) || defined(PLATFORM_RPI) || defined(PLATFORM_DRM)
// Initialize graphics device (display device and OpenGL context)
// NOTE: returns true if window and graphic device has been initialized successfully