116 lines
3.8 KiB
C#
116 lines
3.8 KiB
C#
using System.Collections.Generic;
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using UnityEngine;
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namespace XericUI.VisualForm
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{
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/// <summary>
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/// 窗口实例对象池 - 管理预制体实例的复用，减少频繁的创建和销毁开销
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/// </summary>
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public static class WindowPool
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{
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/// <summary>
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/// 待命字典：键为预制体原型引用，值为隐藏的待复用实例队列
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/// </summary>
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private static readonly Dictionary<GameObject, Queue<GameObject>> s_StandbyDict = new Dictionary<GameObject, Queue<GameObject>>();
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/// <summary>
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/// 从对象池获取一个实例。如果池中有则复用，否则实例化新的
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/// </summary>
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/// <param name="prefab">预制体原型</param>
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/// <param name="parent">父级Transform</param>
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/// <returns>获取到的实例</returns>
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public static GameObject Get(GameObject prefab, Transform parent)
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{
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if (prefab == null)
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{
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Debug.LogError("[WindowPool] 预制体为空，无法获取实例");
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return null;
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}
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if (s_StandbyDict.TryGetValue(prefab, out var queue) && queue.Count > 0)
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{
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var instance = queue.Dequeue();
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if (instance != null)
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{
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instance.transform.SetParent(parent, false);
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instance.SetActive(true);
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return instance;
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}
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}
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// 池中无可用实例，创建新的
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var newInstance = Object.Instantiate(prefab, parent, false);
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newInstance.name = prefab.name;
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return newInstance;
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}
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/// <summary>
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/// 将实例回收到对象池中
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/// </summary>
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/// <param name="prefab">预制体原型</param>
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/// <param name="instance">要回收的实例</param>
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public static void Release(GameObject prefab, GameObject instance)
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{
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if (prefab == null || instance == null)
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return;
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instance.SetActive(false);
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if (!s_StandbyDict.TryGetValue(prefab, out var queue))
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{
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queue = new Queue<GameObject>();
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s_StandbyDict[prefab] = queue;
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}
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queue.Enqueue(instance);
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}
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/// <summary>
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/// 清空指定预制体的对象池
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/// </summary>
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/// <param name="prefab">预制体原型</param>
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public static void Clear(GameObject prefab)
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{
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if (prefab == null) return;
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if (s_StandbyDict.TryGetValue(prefab, out var queue))
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{
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while (queue.Count > 0)
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{
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var instance = queue.Dequeue();
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if (instance != null)
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Object.Destroy(instance);
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}
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s_StandbyDict.Remove(prefab);
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}
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}
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/// <summary>
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/// 清空所有对象池
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/// </summary>
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public static void ClearAll()
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{
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foreach (var kvp in s_StandbyDict)
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{
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while (kvp.Value.Count > 0)
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{
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var instance = kvp.Value.Dequeue();
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if (instance != null)
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Object.Destroy(instance);
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}
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}
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s_StandbyDict.Clear();
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}
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/// <summary>
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/// 检查指定预制体在池中是否有可用实例
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/// </summary>
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/// <param name="prefab">预制体原型</param>
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/// <returns>是否有可用实例</returns>
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public static bool HasAvailable(GameObject prefab)
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{
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return prefab != null && s_StandbyDict.TryGetValue(prefab, out var queue) && queue.Count > 0;
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}
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}
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}
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