/// <summary>
/// This is how pool object is instantiated by default
/// Override it if you want to add some changes to the instantiation procedure
/// </summary>
/// <returns>Instantiated object of prefab</returns>
protected virtual T UnityInstantiate <T>(GenericPool pool) where T : MonoBehaviour
{
GameObject pooledObject = Instantiate(pool.Prefab);
#if UNITY_EDITOR && DEBUG_ZPOOLING
pooledObject.name = pool.Prefab.name + " " + pool.TotalSpawned;
pool.TotalSpawned++;
#endif
// Adding to the pool as instance of generic pool element
if (pooledObject.TryGetComponent(out IGenericPoolElement element))
{
pool.AddToPool(element);
OnUnityInstantiatePostProcess(element);
}
#if DEBUG
else
{
Debug.LogError("Unable to find component ("
+ typeof(T)
+ ") on generic pool element instance - "
+ pooledObject);
}
#endif
return(element as T);
}
/// <summary>
/// Obtains available element or instantiates a new one
/// </summary>
protected virtual T ObtainElement <T>(GenericPool pool) where T : MonoBehaviour
{
if (pool.HasAvailableElements)
{
return(pool.PoolFirst <T>());
}
// Instantiating a new one
return(UnityInstantiate <T>(pool));
}
/// <summary>
/// Instantiates an actual pool object to contain data about the pool
/// </summary>
protected GenericPool InstantiatePool(GameObject prefab)
{
GenericPool pool = new GenericPool {
Prefab = prefab
};
PoolerLibrary.Add(prefab, pool);
HashReference.Add(pool.GetHashCode(), pool);
return(pool);
}