public PoolComponent Spawn(Vector3 position, Quaternion rotation, Transform parent = null)
{
PoolComponent poolObject = null;
while (_inactiveObjects.Count > 0 && (poolObject = _inactiveObjects.Pop()) == null)
{
// do nothing, just pop those items, until we find valid item or empty the stack.
// invalid objects could be destroyed by Object.Destroy method somewhere else.
}
if (ReferenceEquals(poolObject, null))
{
// we didn't find the object to reuse
poolObject = Object.Instantiate(_prefabComponent.gameObject, position, rotation).GetComponent <PoolComponent>();
poolObject.gameObject.name = $"{_prefabComponent.name} ({_index++})";
poolObject.Pool = this;
}
var gameObject = poolObject.gameObject;
gameObject.transform.position = position;
gameObject.transform.rotation = rotation;
if (!ReferenceEquals(parent, null))
{
gameObject.transform.parent = parent;
}
gameObject.SetActive(true);
return(poolObject);
}
public static void Despawn(PoolComponent poolObject)
{
foreach (var component in poolObject.GetComponents <SpecialComponent>().ToList())
{
Object.Destroy(component);
}
poolObject.Pool.Despawn(poolObject);
}
private static Pool GetOrCreatePool(PoolComponent poolPrefab)
{
if (Pools.TryGetValue(poolPrefab, out var result))
{
return(result);
}
// new pool
result = new Pool(poolPrefab);
Pools.Add(poolPrefab, result);
return(result);
}
public static PoolComponent Spawn(PoolComponent original, Vector3 position, Quaternion rotation, Transform parent = null)
{
return(GetOrCreatePool(original).Spawn(position, rotation, parent));
}
public void Despawn(PoolComponent poolObject)
{
poolObject.gameObject.SetActive(false);
_inactiveObjects.Push(poolObject);
}
public Pool(PoolComponent prefab)
{
_prefabComponent = prefab;
}