private static void Recycle(GameObjectMeta obj, GameObject prefab)
{
_Instance._PooledObjects[prefab.GetInstanceID()].Add(obj.Object);
_Instance._InstantiatedObjects.Remove(obj);
obj.Object.transform.parent = _Instance.transform;
obj.Object.SetActive(false);
}
public static GameObject Spawn(GameObject prefab, Transform parent, Vector3 position, Quaternion rotation)
{
List <GameObject> gos;
if (_Instance._PooledObjects.TryGetValue(prefab.GetInstanceID(), out gos))
{
GameObject obj = null;
Transform trans = null;
if (gos.Count > 0)
{
while (obj == null && gos.Count > 0)
{
obj = gos[0];
gos.RemoveAt(0);
}
if (obj != null)
{
trans = obj.transform;
trans.parent = parent;
trans.localPosition = position;
trans.localRotation = rotation;
obj.SetActive(true);
GameObjectMeta gom = new GameObjectMeta();
gom.Object = obj;
_Instance._InstantiatedObjects.Add(gom, prefab);
return(obj);
}
}
switch (_Instance.Behaviour)
{
case PoolBehaviour.HardLimit:
obj = null;
break;
case PoolBehaviour.GrowOnMax:
obj = (GameObject)Object.Instantiate(prefab);
trans = obj.transform;
trans.parent = parent;
trans.localPosition = position;
trans.localRotation = rotation;
GameObjectMeta gom = new GameObjectMeta();
gom.Object = obj;
_Instance._InstantiatedObjects.Add(gom, prefab);
break;
case PoolBehaviour.RecycleOnMax:
List <KeyValuePair <GameObjectMeta, GameObject> > gosOfType = _Instance._InstantiatedObjects.Where(pair => pair.Value == prefab).ToList();
GameObjectMeta oldestGOM = null;
foreach (KeyValuePair <GameObjectMeta, GameObject> kvp in gosOfType)
{
if (oldestGOM == null)
{
oldestGOM = kvp.Key;
}
else
{
if (System.DateTime.Compare(kvp.Key.TimeStamp, oldestGOM.TimeStamp) < 0)
{
oldestGOM = kvp.Key;
}
}
}
if (oldestGOM != null)
{
Recycle(oldestGOM, prefab);
// now that we KNOW one is free, recursively call spawn (only once though)
Spawn(prefab, parent, position, rotation);
}
break;
}
return(obj);
}
else
{
GameObject obj = (GameObject)Object.Instantiate(prefab);
Transform trans = obj.GetComponent <Transform>();
trans.parent = parent;
trans.localPosition = position;
trans.localRotation = rotation;
return(obj);
}
}