Created
April 4, 2019 14:20
-
-
Save Leopotam/2c17882a56336365f00313c1e6f3803a to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
using System; | |
using UnityEngine; | |
namespace Client.Common { | |
sealed class PrefabPool<T> : IDisposable where T : Component { | |
T[] _items = new T[8]; | |
int _itemsCount; | |
T _prefab; | |
public PrefabPool (string prefabPath) { | |
_prefab = Resources.Load<T> (prefabPath); | |
} | |
public T Get () { | |
bool isNew; | |
return Get (out isNew); | |
} | |
public T Get (out bool isNew) { | |
return Get (out isNew, Vector3.zero, Quaternion.identity); | |
} | |
public T Get (out bool isNew, Vector3 position, Quaternion rotation) { | |
if (_itemsCount > 0) { | |
isNew = false; | |
var item = _items[--_itemsCount]; | |
if (position.sqrMagnitude != 0.0f) { | |
item.gameObject.transform.position = position; | |
} | |
if (rotation != Quaternion.identity) { | |
item.gameObject.transform.rotation = rotation; | |
} | |
return item; | |
} | |
isNew = true; | |
return UnityEngine.Object.Instantiate (_prefab, position, rotation).GetComponent<T> (); | |
} | |
public void Recycle (T item) { | |
if (_items.Length == _itemsCount) { | |
Array.Resize (ref _items, _itemsCount << 1); | |
} | |
_items[_itemsCount++] = item; | |
} | |
public void Dispose () { | |
_prefab = null; | |
for (var i = 0; i < _itemsCount; i++) { | |
if (_items[i]) { | |
UnityEngine.Object.Destroy (_items[i].gameObject); | |
} | |
_items[i] = null; | |
} | |
_itemsCount = 0; | |
} | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment