106 lines
3.0 KiB
C#
106 lines
3.0 KiB
C#
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using System.Collections.Generic;
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using System.Collections;
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using UnityEngine;
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using UnityEngine.Events;
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// 用来为AssetUpdateDownloader提供计时更新的工具
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// 这个全游戏绝对存在的实例，因此用他探测是否结束游戏
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public class AssetUpdateDownloaderTick : MonoBehaviour
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{
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public static AssetUpdateDownloaderTick instance;
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public event UnityAction onUpdate;
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private readonly List<DownloadTimer> _timers = new List<DownloadTimer>();
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/// <summary>
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/// 是否游戏已经退出，处理一些关闭时调用OnDestroy产生的报错
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/// </summary>
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public static bool applicationQuit { get; private set; }
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public static void CreateInstance()
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{
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if (!instance)
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{
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var gameObject = new GameObject("AssetUpdateDownloaderTick");
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instance = gameObject.AddComponent<AssetUpdateDownloaderTick>();
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}
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}
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private void Awake()
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{
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DontDestroyOnLoad(gameObject);
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}
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private void OnApplicationQuit()
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{
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applicationQuit = true;
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}
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#region Load Stream Asset - 加载配置表等非AssetBundle资源
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public delegate void LoadStreamAssetCallBack(WWW www);
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public void LoadStreamingAsset(string uri, LoadStreamAssetCallBack callBack)
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{
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uri = Application.streamingAssetsPath.Open(uri);
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#if UNITY_EDITOR || !UNITY_ANDROID
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uri = "file://" + uri;
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#endif
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StartCoroutine(LoadWWW(uri, callBack));
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}
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private static IEnumerator LoadWWW(string uri, LoadStreamAssetCallBack callBack)
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{
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var www = new WWW(uri);
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yield return www;
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if (!string.IsNullOrEmpty(www.error))
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Debug.LogError("Load streaming assets error: " + www.error + "\n" + uri);
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if (callBack != null)
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callBack(www);
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www.Dispose();
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}
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#endregion
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private void LateUpdate()
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{
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if (onUpdate != null)
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onUpdate();
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for (var i = _timers.Count - 1; i >= 0; i--)
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{
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var timer = _timers[i];
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if (Time.realtimeSinceStartup > timer.time)
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{
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_timers.RemoveAt(i);
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if (timer.callback != null)
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timer.callback.Invoke();
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}
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}
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}
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public DownloadTimer AddTimer(float delay, UnityAction callback)
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{
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var timer = _timers.Find(a => a.callback == callback);
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if (timer == null)
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{
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timer = new DownloadTimer(callback);
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_timers.Add(timer);
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}
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timer.time = Time.realtimeSinceStartup + delay;
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return timer;
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}
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public void RemoveTimer(UnityAction callback)
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{
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var i = _timers.FindIndex(a => a.callback == callback);
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if (i >= 0)
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_timers.RemoveAt(i);
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}
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public class DownloadTimer
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{
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public readonly UnityAction callback;
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public float time;
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public DownloadTimer(UnityAction callback)
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{
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this.callback = callback;
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}
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}
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}
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