public GameObject GetInstance(Vector3 position, bool expandPoolIfEmpty = true)
{
PoolablePrefab instanceHandle = GetInstanceHandle(position, expandPoolIfEmpty);
if (!instanceHandle)
{
return(null);
}
return(instanceHandle.gameObject);
}
/// <summary>
/// Moves oldest element in queue into sleeping objects queue, resets binding to the pool's container and deactivates an object
/// </summary>
/// <param name="poolablePrefab"> Type of element in queue that need to moved. Type is matching with prefab's path in resources
/// </param>
private static void PushActiveItemToSleepItemsQueue(PoolablePrefab poolablePrefab)
{
var tQueueItem = poolablePrefab.activeGameObjects.Dequeue();
if (tQueueItem.gameObject == null)
{
return;
}
tQueueItem.gameObject.SetActive(false);
tQueueItem.gameObject.transform.localScale = Vector3.one;
tQueueItem.gameObject.transform.parent = _container;
poolablePrefab.sleepingGameObjects.Enqueue(tQueueItem);
}
public bool RemoveInstanceHandleOf(GameObject prefab, PoolablePrefab instanceHandle)
{
if (!instanceHandle)
{
return(false);
}
PrefabPool pool = GetPool(prefab);
if (pool == null)
{
return(false);
}
return(pool.RemoveInstance(instanceHandle.gameObject));
}
public bool StoreInstanceHandleOf(int prefabId, PoolablePrefab instanceHandle)
{
if (!instanceHandle)
{
return(false);
}
PrefabPool pool = GetPool(prefabId);
if (pool == null)
{
return(false);
}
return(pool.StoreInstance(instanceHandle.gameObject));
}
public void Initialize(GameObject prefab = null, int initialSize = -1, int growAmount = -1, int maxSize = -1)
{
if (!PrefabPoolManager.Manager)
{
Debug.LogError("PrefabPoolManager instance does not exist. Cannot create PrefabPool instance.");
return;
}
if (prefab)
{
this.prefab = prefab;
}
PoolablePrefab poolHandle = this.prefab.GetComponent <PoolablePrefab>() as PoolablePrefab;
if (!poolHandle)
{
poolHandle = this.prefab.AddComponent <PoolablePrefab>() as PoolablePrefab;
}
if (poolHandle)
{
poolHandle.Prefab = this.prefab;
}
else
{
Debug.Log("Could not locate or add PoolablePrefab component on the supplied prefab:\n" + this.prefab);
}
Root = new GameObject(Prefab.name + "(Pool)");
Root.transform.parent = PrefabPoolManager.Manager.gameObject.transform;
if (initialSize >= 0)
{
this.initialSize = initialSize;
}
if (growAmount >= 0)
{
this.growAmount = growAmount;
}
if (maxSize >= 0)
{
this.maxSize = maxSize;
}
CreateInstances(this.initialSize);
}
public PoolablePrefab GetInstanceHandle(Vector3 position, bool expandPoolIfEmpty = true)
{
lock (lawk) {
if (pooled.Count == 0 && expandPoolIfEmpty)
{
// no free instances to grab from pool. create more.
CreateInstances(growAmount);
}
if (pooled.Count == 0)
{
// still no free instances. cant return one
return(null);
}
int keyToUse = -1;
bool found = false, cleanPooled = false;
PoolablePrefab poolablePrefab = null;
HashSet <int> keysToRemove = null;
// find the first pooled GameObject
foreach (int key in pooled)
{
if (pool.ContainsKey(key))
{
poolablePrefab = pool[key];
if (poolablePrefab)
{
if (!poolablePrefab.gameObject.activeSelf)
{
found = true;
keyToUse = key;
break;
}
}
}
// couldnt use this pooled key for some reason, so it isnt valid to keep
// it in the pooled HashSet. Remove it and warn that it was in there.
if (!cleanPooled)
{
keysToRemove = new HashSet <int>();
cleanPooled = true;
}
keysToRemove.Add(key);
}
if (cleanPooled)
{
Debug.LogWarning(keysToRemove.Count + " invalid keys exist in '" + Prefab.name + "' pool.");
foreach (int key in keysToRemove)
{
// remove the invalid keys
pooled.Remove(key);
}
if (!found && expandPoolIfEmpty)
{
// if we didnt find any and the pool had to be cleaned, try to create more.
// An unclean pooled HashSet can prevent growing the pool when it runs out.
CreateInstances(growAmount);
// call this method again, but without the automatic expansion
return(GetInstanceHandle(position));
}
}
if (!found)
{
return(null);
}
// remove its key from the hashset
pooled.Remove(keyToUse);
poolablePrefab.pooledInstanceId = currPooledInstanceId;
currPooledInstanceId++;
currPooledInstanceId = currPooledInstanceId % 0x7FffFFffFFffFFff;
GameObject obj = poolablePrefab.gameObject;
obj.transform.parent = null;
obj.transform.position = position;
obj.SetActive(true);
return(poolablePrefab);
}
}
