Refactor render function

engine/engine.c

@@ -199,10 +199,19 @@ inline void update_scene(Scene_t* scene, float delta_time)
     update_particle_system(&scene->part_sys, scene->delta_time);
 }
 
-inline void render_scene(Scene_t* scene)
+static void _internal_render_scene(Scene_t* scene)
+{
+    if ((scene->state & SCENE_RENDER_BIT) == 0) return;
+
+    if (scene->parent_scene == NULL)
     {
-    BeginDrawing();
         ClearBackground(scene->bg_colour);
+    }
+    else
+    {
+        ClearBackground((Color){255,255,255,0});
+    }
+
     for (uint8_t i = 0; i < scene->layers.n_layers; ++i)
     {
         RenderLayer_t* layer = scene->layers.render_layers + i;
@@ -218,6 +227,12 @@ inline void render_scene(Scene_t* scene)
             WHITE
         );
     }
+}
+
+inline void render_scene(Scene_t* scene)
+{
+    BeginDrawing();
+    _internal_render_scene(scene);
     EndDrawing();
 }
 
@@ -273,23 +288,8 @@ void render_curr_scene(GameEngine_t* engine)
     while ((elem = sc_heap_pop(&engine->scenes_render_order)) != NULL)
     {
         Scene_t* scene = elem->data;
-        if ((scene->state & SCENE_RENDER_BIT) == 0) continue;
 
-        for (uint8_t i = 0; i < scene->layers.n_layers; ++i)
+        _internal_render_scene(scene);
-        {
-            RenderLayer_t* layer = scene->layers.render_layers + i;
-            Rectangle draw_rec = layer->render_area;
-            Vector2 draw_pos = {draw_rec.x, draw_rec.y};
-            draw_rec.x = 0;
-            draw_rec.y = 0;
-            draw_rec.height *= -1;
-            DrawTextureRec(
-                layer->layer_tex.texture,
-                draw_rec,
-                draw_pos,
-                WHITE
-            );
-        }
 	}
     EndDrawing();
 }

scene_man_test.c

@@ -27,11 +27,18 @@ struct DummyScene {
     Scene_t scene;
     unsigned int number;
     float elapsed;
+    Vector2 text_pos;
 };
 
 
 static void level_scene_render_func(Scene_t* scene)
 {
+    struct DummyScene* data = CONTAINER_OF(scene, struct DummyScene, scene);
+    char text[32];
+    sprintf(text, "Scene %u", data->number);
+    BeginTextureMode(scene->layers.render_layers[0].layer_tex);
+    DrawText(text, 32 * data->number, 32 * data->number, 12, BLACK);
+    EndTextureMode();
 }
 
 static inline unsigned int get_tile_idx(int x, int y, const TileGrid_t* tilemap)
@@ -109,7 +116,7 @@ int main(void)
         add_scene_layer(
             &dummy_scenes[i].scene, 1280, 640, (Rectangle){0,0,1280,640}
         );
-
+        dummy_scenes[i].scene.bg_colour = WHITE;
         sc_array_add(&dummy_scenes[i].scene.systems, &print_number_sys);
         sc_array_add(&dummy_scenes[i].scene.systems, &level_scene_render_func);
         //sc_map_put_64(&scene.scene.action_map, KEY_R, ACTION_RESTART);