/// <summary>
/// Sets the instance of the ItemDatabase to the instance given.
/// </summary>
/// <param name="aInstance">The instance to make singleton</param>
/// <returns></returns>
private static bool SetInstance(ItemDatabase aInstance)
{
if (s_Instance != null && s_Instance != aInstance)
{
return false;
}
s_Instance = aInstance;
return true;
}
/// <summary>
/// Creates an instance of the ItemDatabase if it was missing.
/// </summary>
private static void CreateInstance()
{
if(Game.isClosing)
{
return;
}
GameObject persistant = GameObject.Find(Game.PERSISTANT_GAME_OBJECT_NAME);
if (persistant == null)
{
persistant = new GameObject(Game.PERSISTANT_GAME_OBJECT_NAME);
persistant.transform.position = Vector3.zero;
persistant.transform.rotation = Quaternion.identity;
}
s_Instance = persistant.GetComponent<ItemDatabase>();
if (s_Instance == null)
{
s_Instance = persistant.AddComponent<ItemDatabase>();
}
}
/// <summary>
/// Removes the instance of the ItemDatabase if the instance being destroyed is the the same as the singleton.
/// </summary>
/// <param name="aInstance"></param>
private static void DestroyInstance(ItemDatabase aInstance)
{
if (s_Instance == aInstance)
{
s_Instance = null;
}
}