Setup rpg stuff

src/scene/scene/scenetest.h

@@ -22,5 +22,6 @@ static scene_t SCENE_TEST = {
   .init = sceneTestInit,
   .update = sceneTestUpdate,
   .render = sceneTestRender,
-  .dispose = sceneTestDispose
+  .dispose = sceneTestDispose,
+  .flags = 0
 };

src/scene/scenemanager.c

@@ -65,8 +65,8 @@ void sceneManagerSetScene(scene_t *scene) {
 
   if(scene) {
     assertTrue(
-      scene->flags & SCENE_FLAG_INITIALIZED,
-      "Scene not initialized"
+      (scene->flags & SCENE_FLAG_INITIALIZED) == 0,
+      "Scene should not yet be initialized"
     );
   }
 }