work save : glTF scene support

src/external/cgltf.h

@@ -732,6 +732,7 @@ typedef struct cgltf_data
 	cgltf_scene* scenes;
 	cgltf_size scenes_count;
 
+	unsigned int scene_id;
 	cgltf_scene* scene;
 
 	cgltf_animation* animations;
@@ -5758,7 +5759,8 @@ static int cgltf_parse_json_root(cgltf_options* options, jsmntok_t const* tokens
 		else if (cgltf_json_strcmp(tokens + i, json_chunk, "scene") == 0)
 		{
 			++i;
-			out_data->scene = CGLTF_PTRINDEX(cgltf_scene, cgltf_json_to_int(tokens + i, json_chunk));
+			out_data->scene_id = cgltf_json_to_int(tokens + i, json_chunk);
+			out_data->scene = CGLTF_PTRINDEX(cgltf_scene, out_data->scene_id);
 			++i;
 		}
 		else if (cgltf_json_strcmp(tokens + i, json_chunk, "animations") == 0)

src/raylib.h

@@ -366,6 +366,13 @@ typedef struct Transform {
     Vector3 scale;          // Scale
 } Transform;
 
+//Scene
+typedef struct Scene {
+    int meshCount;          // Number of meshes
+    int *meshes;            // Scene meshes array
+    Transform *meshTransforms;  // transform matrices for meshes
+} Scene;
+
 // Bone, skeletal animation bone
 typedef struct BoneInfo {
     char name[32];          // Bone name
@@ -382,6 +389,11 @@ typedef struct Model {
     Material *materials;    // Materials array
     int *meshMaterial;      // Mesh material number
 
+    // Scene data
+    int sceneCount;         // Number of scenes
+    Scene *scenes;          // Scenes array
+    int scene;              // Scene should be displayed
+
     // Animation data
     int boneCount;          // Number of bones
     BoneInfo *bones;        // Bones information (skeleton)

src/rmodels.c

@@ -4649,6 +4649,7 @@ static Model LoadGLTF(const char *fileName)
         TRACELOG(LOG_DEBUG, "    > Buffers count: %i", data->buffers_count);
         TRACELOG(LOG_DEBUG, "    > Images count: %i", data->images_count);
         TRACELOG(LOG_DEBUG, "    > Textures count: %i", data->textures_count);
+        TRACELOG(LOG_DEBUG, "    > Scenes count: %1", data->scenes_count);
 
         // Force reading data buffers (fills buffer_view->buffer->data)
         // NOTE: If an uri is defined to base64 data or external path, it's automatically loaded -> TODO: Verify this assumption
@@ -4943,6 +4944,22 @@ static Model LoadGLTF(const char *fileName)
             }
         }
 
+        // Load scene data
+        if (data->scenes_count > 0) {
+			model.scene = data->scene_id;
+			model.scenes = (Scene *)malloc(sizeof(Scene) * data->scenes_count);
+			memset(model.scenes, 0, sizeof(Scene) * data->scenes_count);
+			for (unsigned int i = 0; i < data->scenes_count; i++) {
+				// TODO: for each nodes, find
+				if (data->scenes[i].nodes_count>0) {
+					for (unsigned int j = 0; j < data->scenes[i].nodes_count; j++) {
+						scenes
+
+					}
+				}
+			}
+		}
+
 /*
         // TODO: Load glTF meshes animation data
         // REF: https://www.khronos.org/registry/glTF/specs/2.0/glTF-2.0.html#skins