/// <summary>
/// Registers a pool in the pool manager.
/// </summary>
/// <param name="poolBhv"></param>
public static void RegisterPool(PoolBehaviour poolBhv)
{
if (poolBhv.Prefab)
{
s_instantiatePoolLookupDic[poolBhv.Prefab] = poolBhv;
}
}
/// <summary>
/// Gets the number of available instances are in the pool cache.
/// </summary>
/// <param name="original"></param>
/// <returns></returns>
public static int GetCacheSize(Object original)
{
GameObject go = GetObjectAsGameObject(original);
PoolBehaviour poolBhv = FindOrCreatePool(go);
if (poolBhv)
{
return(poolBhv.CacheSize);
}
return(0);
}
/// <summary>
/// Gets how many active instances belonging to the prefab are there.
/// </summary>
/// <param name="original"></param>
/// <returns></returns>
public static int GetActiveInstances(Object original)
{
GameObject go = GetObjectAsGameObject(original);
PoolBehaviour poolBhv = FindOrCreatePool(go);
if (poolBhv)
{
return(poolBhv.ActiveCount);
}
return(0);
}
/// <summary>
/// Fix null references in the Pools when an intance was destroyed using Object.Destroy instead using the PoolManager.Destroy or this.PoolDestroy methods.
/// </summary>
/// <param name="warningLogEnabled"></param>
public static void RemoveNullGameObjects(bool warningLogEnabled = true)
{
var iter = s_instantiatePoolLookupDic.GetEnumerator();
while (iter.MoveNext())
{
PoolBehaviour objFactoryBhv = iter.Current.Value;
if (objFactoryBhv)
{
objFactoryBhv.RemoveNullGameObjects(warningLogEnabled);
}
}
}
/// <summary>
/// Manually creates a Pool for a prefab.
/// </summary>
/// <param name="prefab"></param>
/// <returns></returns>
public static PoolBehaviour CreatePool(GameObject prefab)
{
CheckInitialize();
GameObject obj = new GameObject("Pool: " + prefab.name);
obj.transform.SetParent(s_poolManagerObj.transform);
PoolBehaviour bhv = obj.AddComponent <PoolBehaviour>();
bhv.Prefab = prefab;
bhv.Initialize();
return(bhv);
}
/// <summary>
/// Destroys all the instances in all the Pools.
/// </summary>
public static void DestroyAll()
{
var iter = s_instantiatePoolLookupDic.GetEnumerator();
while (iter.MoveNext())
{
PoolBehaviour objFactoryBhv = iter.Current.Value;
if (objFactoryBhv)
{
objFactoryBhv.DestroyAll();
}
}
}
/// <summary>
/// Generates a cache of instances for the prefab (creating a new pool if needed).
/// </summary>
/// <param name="original"></param>
/// <param name="count"></param>
public static void PreCacheInstances(Object original, int count)
{
count = Mathf.Max(0, count);
if (original is Component || original is GameObject)
{
GameObject go = GetObjectAsGameObject(original);
PoolBehaviour poolBhv = FindOrCreatePool(go);
if (poolBhv)
{
poolBhv.PreCacheInstances(count);
}
}
}
/// <summary>
/// Finds and return a Pool using the prefab or creates a new one if needed.
/// </summary>
/// <param name="prefab"></param>
/// <returns></returns>
public static PoolBehaviour FindOrCreatePool(GameObject prefab)
{
if (!prefab)
{
Debug.LogError("Prefab cannot be null!");
return(null);
}
PoolBehaviour poolBhv = null;
if (!s_instantiatePoolLookupDic.TryGetValue(prefab, out poolBhv) || !poolBhv)
{
bool isPrefab = !prefab.scene.IsValid();
if (isPrefab)
{
poolBhv = CreatePool(prefab);
}
}
return(poolBhv);
}
public static Object Instantiate(Object original, Transform parent = null, bool instantiateInWorldSpace = false)
{
if (!original)
{
Debug.LogError("original cannot be null!");
return(null);
}
if (original is Component || original is GameObject)
{
GameObject go = GetObjectAsGameObject(original);
PoolBehaviour poolBhv = FindOrCreatePool(go);
if (poolBhv)
{
Object obj = original is Component?
poolBhv.Instantiate(original.GetType(), parent, instantiateInWorldSpace) as Object
:
poolBhv.Instantiate(parent, instantiateInWorldSpace) as Object
;
return(obj);
}
else
{
#if UNITY_2017_1_OR_NEWER
return(Object.Instantiate(original, parent, instantiateInWorldSpace));
#else
return(Object.Instantiate(original));
#endif
}
}
else
{
#if UNITY_2017_1_OR_NEWER
return(Object.Instantiate(original, parent, instantiateInWorldSpace));
#else
return(Object.Instantiate(original));
#endif
}
}
/// <summary>
/// Instantiates a new instance using the prefab pool or creating a new pool if needed.
/// </summary>
/// <param name="original"></param>
/// <param name="position"></param>
/// <param name="rotation"></param>
/// <param name="parent"></param>
/// <returns></returns>
public static Object Instantiate(Object original, Vector3 position, Quaternion rotation = default(Quaternion), Transform parent = null)
{
if (!original)
{
Debug.LogError("original cannot be null!");
return(null);
}
if (original is Component || original is GameObject)
{
GameObject go = GetObjectAsGameObject(original);
PoolBehaviour poolBhv = FindOrCreatePool(go);
if (poolBhv)
{
Object obj = original is Component?
poolBhv.Instantiate(original.GetType(), position, rotation, parent) as Object
:
poolBhv.Instantiate(position, rotation, parent) as Object
;
return(obj);
}
else
{
#if UNITY_2017_1_OR_NEWER
return(Object.Instantiate(original, position, rotation, parent));
#else
return(Object.Instantiate(original, position, rotation));
#endif
}
}
else
{
#if UNITY_2017_1_OR_NEWER
return(Object.Instantiate(original, position, rotation, parent));
#else
return(Object.Instantiate(original, position, rotation));
#endif
}
}
private void OnEnable()
{
m_target = target as PoolBehaviour;
m_target.Initialize();
}
/// <summary>
/// Registers an object in a pool.
/// </summary>
/// <param name="poolBhv"></param>
/// <param name="obj"></param>
public static void RegisterObjInPool(PoolBehaviour poolBhv, GameObject obj)
{
s_destroyPoolLookupDic[obj] = poolBhv;
}