Integrate Level Selection scene transition

Internal Changelog:
- Changing scene now return the scene to change into
- Set the level pack and selected level

engine/engine.c

@@ -89,10 +89,10 @@ void process_inputs(GameEngine_t* engine, Scene_t* scene)
     }
 }
 
-void change_scene(GameEngine_t* engine, unsigned int idx)
+Scene_t* change_scene(GameEngine_t* engine, unsigned int idx)
 {
     // Backwards compat
-    change_active_scene(engine, idx);
+    return change_active_scene(engine, idx);
 }
 
 bool load_sfx(GameEngine_t* engine, const char* snd_name, uint32_t tag_idx)
@@ -361,11 +361,13 @@ void remove_child_scene(GameEngine_t* engine, unsigned int idx)
     child->parent_scene = NULL;
 }
 
-void change_active_scene(GameEngine_t* engine, unsigned int idx)
+Scene_t* change_active_scene(GameEngine_t* engine, unsigned int idx)
 {
     engine->scenes[engine->curr_scene]->state = 0;
     engine->curr_scene = idx;
     engine->scenes[engine->curr_scene]->state = SCENE_COMPLETE_ACTIVE;
+    sc_queue_clear(&engine->key_buffer);
+    return engine->scenes[engine->curr_scene];
 }
 
 void change_focused_scene(GameEngine_t* engine, unsigned int idx)

engine/engine.h

@@ -86,8 +86,8 @@ void process_active_scene_inputs(GameEngine_t* engine);
 void update_curr_scene(GameEngine_t* engine);
 void render_curr_scene(GameEngine_t* engine);
 
-void change_scene(GameEngine_t* engine, unsigned int idx);
+Scene_t* change_scene(GameEngine_t* engine, unsigned int idx);
-void change_active_scene(GameEngine_t* engine, unsigned int idx);
+Scene_t* change_active_scene(GameEngine_t* engine, unsigned int idx);
 void change_focused_scene(GameEngine_t* engine, unsigned int idx);
 bool load_sfx(GameEngine_t* engine, const char* snd_name, uint32_t tag_idx);
 void play_sfx(GameEngine_t* engine, unsigned int tag_idx);

main.c

@@ -68,7 +68,6 @@ int main(void)
     {
         level_scene.data.level_pack = pack;
         level_scene.data.current_level = 0;
-        load_level_tilemap(&level_scene, 0);
     }
 
     MenuScene_t menu_scene;

scenes/level_select_scene.c

@@ -39,18 +39,27 @@ static void level_select_do_action(Scene_t* scene, ActionType_t action, bool pre
             }
         break;
         case ACTION_EXIT:
+            if (!pressed)
+            {
                 if(scene->engine != NULL)
                 {
                     change_scene(scene->engine, MAIN_MENU_SCENE);
                 }
+            }
         break;
         case ACTION_CONFIRM:
+            if (!pressed)
+            {
                 if (data->level_pack != NULL && data->scroll_area.curr_selection < data->level_pack->n_levels)
                 {
                     // TODO: Need to load the current level
-                change_scene(scene->engine, LEVEL_SELECT_SCENE);
+                    LevelScene_t* level_scene = (LevelScene_t*)change_scene(scene->engine, GAME_SCENE);
+                    level_scene->data.level_pack = data->level_pack;
+                    level_scene->data.current_level = data->scroll_area.curr_selection;
+                    reload_level_tilemap(level_scene);
 
                 }
+            }
         break;
         default:
         break;
@@ -94,6 +103,7 @@ void init_level_select_scene(LevelSelectScene_t* scene)
     sc_map_put_64(&scene->scene.action_map, KEY_UP, ACTION_UP);
     sc_map_put_64(&scene->scene.action_map, KEY_DOWN, ACTION_DOWN);
     sc_map_put_64(&scene->scene.action_map, KEY_Q, ACTION_EXIT);
+    sc_map_put_64(&scene->scene.action_map, KEY_ENTER, ACTION_CONFIRM);
 }
 void free_level_select_scene(LevelSelectScene_t* scene)
 {