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2025-06-07 17:43:34 +08:00
using UnityEngine;
using System.Collections.Generic;
using FairyGUI.Utils;
namespace FairyGUI
{
/// <summary>
/// GObjectPool is use for GObject pooling.
/// </summary>
public class GObjectPool
{
/// <summary>
/// Callback function when a new object is creating.
/// </summary>
/// <param name="obj"></param>
public delegate void InitCallbackDelegate(GObject obj);
/// <summary>
/// Callback function when a new object is creating.
/// </summary>
public InitCallbackDelegate initCallback;
Dictionary<string, Queue<GObject>> _pool;
Transform _manager;
/// <summary>
/// 需要设置一个manager加入池里的对象都成为这个manager的孩子
/// </summary>
/// <param name="manager"></param>
public GObjectPool(Transform manager)
{
_manager = manager;
_pool = new Dictionary<string, Queue<GObject>>();
}
/// <summary>
/// Dispose all objects in the pool.
/// </summary>
public void Clear()
{
foreach (KeyValuePair<string, Queue<GObject>> kv in _pool)
{
Queue<GObject> list = kv.Value;
foreach (GObject obj in list)
obj.Dispose();
}
_pool.Clear();
}
/// <summary>
///
/// </summary>
public int count
{
get { return _pool.Count; }
}
/// <summary>
///
/// </summary>
/// <param name="url"></param>
/// <returns></returns>
public GObject GetObject(string url)
{
url = UIPackage.NormalizeURL(url);
if (url == null)
return null;
Queue<GObject> arr;
if (_pool.TryGetValue(url, out arr)
&& arr.Count > 0)
return arr.Dequeue();
GObject obj = UIPackage.CreateObjectFromURL(url);
if (obj != null)
{
if (initCallback != null)
initCallback(obj);
}
return obj;
}
/// <summary>
///
/// </summary>
/// <param name="obj"></param>
public void ReturnObject(GObject obj)
{
if (obj.displayObject.isDisposed)
return;
string url = obj.resourceURL;
Queue<GObject> arr;
if (!_pool.TryGetValue(url, out arr))
{
arr = new Queue<GObject>();
_pool.Add(url, arr);
}
if (_manager != null)
obj.displayObject.cachedTransform.SetParent(_manager, false);
arr.Enqueue(obj);
}
}
}