using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using System;
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using LaunchCommon;
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public class DownLoadAndDiscompressTask : Singleton<DownLoadAndDiscompressTask>
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{
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public const int BYTE_PER_KILOBYTE = 1024;
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public float progress { get { return Mathf.Clamp01((float)DownloadMgr.Instance.DownloadedBytes / totalSize); } }
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List<AssetVersion> tasks = new List<AssetVersion>();
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public bool isDone { get { return step == Step.Completed; } }
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public int totalSize { get; private set; }
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public int totalCount { get; private set; }
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public event Action<Step> downLoadStepChangeEvent;
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Action downLoadOkCallBack;
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Step m_Step = Step.None;
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public Step step
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{
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get { return m_Step; }
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set
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{
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if (m_Step != value)
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{
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m_Step = value;
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if (downLoadStepChangeEvent != null)
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{
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downLoadStepChangeEvent(m_Step);
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}
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}
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}
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}
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public void Prepare(List<LaunchCommon.AssetVersion> _downLoadTasks, Action _downLoadOkCallBack)
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{
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tasks = _downLoadTasks;
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downLoadOkCallBack = _downLoadOkCallBack;
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totalCount = tasks.Count;
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step = Step.DownLoadPrepared;
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totalSize = 0;
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for (int i = 0; i < tasks.Count; i++)
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{
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var task = tasks[i];
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totalSize += task.size;
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}
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StartDownLoad();
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}
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public void StartDownLoad()
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{
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step = Step.DownLoad;
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DownloadMgr.Instance.StartCoroutine(Co_StartDownLoad());
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}
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IEnumerator Co_StartDownLoad()
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{
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while (tasks.Count > 0)
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{
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DownloadMgr.MaxDownLoadTask = 10;
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DownloadMgr.Instance.Prepare();
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for (int i = 0; i < tasks.Count; i++)
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{
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var assetVersion = tasks[i];
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var remoteURL = StringUtility.Contact(LocalResManager.Instance.versionInfo.GetResourcesURL(VersionConfigEx.Get().branch), LocalResManager.fixPath, "/", assetVersion.relativePath);
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var localURL = StringUtility.Contact(ResourcesPath.Instance.ExternalStorePath, assetVersion.relativePath);
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DownloadMgr.Instance.AddTask(new DownloadTask(remoteURL, localURL));
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}
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DownloadMgr.Instance.Begin();
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while (!DownloadMgr.Instance.IsFinished)
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{
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yield return null;
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}
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//检查下载完成后的文件是否有效
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var filledTasks = new List<AssetVersion>();//无效的文件
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for (int i = 0; i < tasks.Count; i++)
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{
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var assetVersion = tasks[i];
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var correctFile = assetVersion.CheckLocalFileValid();
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if (correctFile)
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assetVersion.localValid = true;
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else
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filledTasks.Add(assetVersion);
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}
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if (filledTasks.Count > 0)
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Debug.LogErrorFormat("资源下载完后有{0}个文件无效({1})，重新开始下载", filledTasks.Count, filledTasks[0].fileName);
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tasks = filledTasks;
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}
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Debug.Log("资源全部下载完成");
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step = Step.Completed;
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if (downLoadOkCallBack != null)
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{
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downLoadOkCallBack();
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downLoadOkCallBack = null;
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}
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}
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public enum Step
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{
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None,
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DownLoadPrepared,
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DownLoad,
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Completed,
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}
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}
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