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