protected override void fetchReferences()
 {
     base.fetchReferences();
     if (isSingleton)
     {
         dogDatabase.Initialize(dataController);
         dataController.SetFilePath(SAVE_FILE_PATH);
         dataController.LoadGame();
         giftController = PPGiftController.Instance;
         giftController.Init(tuning);
         handleLoadGame(dataController);
     }
 }