/// <summary>
/// Gets a game object for a specific object identifier from the GameObjectPool. If the kind of game object
/// being requested is not in the pool, then it will get created by a IGameObjectCreator that was
/// added to the pool for handling objects associated with the objectIdentifier.
/// </summary>
/// <param name="objectIdentifier">The identifier you want to use to identify the kind of game object you want to retrieve.</param>
/// <param name="position">The position that the game object should have before it is activated.</param>
/// <param name="rotation">The rotation that the game object should have before it is activated.</param>
public GameObject GetGameObject(string objectIdentifier, Vector3 position, Quaternion rotation)
{
GameObject obj = null;
GameObjectCreator creator = null;
if (_creators.ContainsKey(objectIdentifier))
{
creator = _creators[objectIdentifier];
}
else
{
Debug.Log("Unable to create a GameObject for object ID '" + objectIdentifier + "' because no IGameObjectCreator implementation can be found for it.");
return(null);
}
EnsureListForObjectID(objectIdentifier);
Queue <GameObject> objects = _pool[objectIdentifier];
if (objects.Count > 0)
{
obj = objects.Dequeue();
}
else
{
obj = creator.Instantiate();
}
if (obj != null)
{
creator.PrepareForUse(obj);
obj.SetActive(true);
}
return(obj);
}
/// <summary>
/// GameObjects are created by an implementation of IGameObjectCreator in this GameObjectPool. This
/// method adds your implementation of the IGameObjectCreator to use for objects that share a specific
/// object identifier.
/// </summary>
/// <param name="creator">The implementation of IGameObjectCreator to use for GameObjects associated with the objectIdentifier.</param>
/// <param name="objectIdentifier">The identifier you want to use to identify the kind of game objects you want to create.</param>
public void AddCreator(GameObjectCreator creator, string objectIdentifier)
{
_creators.Add(objectIdentifier, creator);
}