52 lines
1.4 KiB
C#
52 lines
1.4 KiB
C#
using System;
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using System.Collections.Generic;
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using UnityEngine;
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public class UnityMainThreadDispatcher : MonoBehaviour
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{
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private static UnityMainThreadDispatcher _instance;
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private readonly Queue<Action> _actionQueue = new Queue<Action>();
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// 获取单例实例
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public static UnityMainThreadDispatcher Instance
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{
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get
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{
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if (_instance == null)
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{
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// 查找现有实例
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_instance = FindObjectOfType<UnityMainThreadDispatcher>();
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// 如果没有实例则创建一个
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if (_instance == null)
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{
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GameObject obj = new GameObject("UnityMainThreadDispatcher");
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_instance = obj.AddComponent<UnityMainThreadDispatcher>();
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DontDestroyOnLoad(obj); // 跨场景保留
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}
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}
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return _instance;
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}
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}
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private void Update()
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{
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// 每帧执行队列中的所有回调（在主线程）
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lock (_actionQueue)
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{
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while (_actionQueue.Count > 0)
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{
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_actionQueue.Dequeue().Invoke();
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}
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}
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}
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// 将行动添加到主线程执行队列
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public void Enqueue(Action action)
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{
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lock (_actionQueue)
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{
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_actionQueue.Enqueue(action);
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}
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}
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} |