/// <summary>
/// 获得AssetBundle的真正完整路径
/// </summary>
string GetRealAssetPath(string abName)
{
if (abName.Equals(Util.GetPlatformName()))
{
return(abName);
}//这里判断是总Manifest,直接返回
abName = abName.ToLower();
if (!abName.EndsWith(AppConst.ExtName))
{
abName += AppConst.ExtName;
}//必然以打包扩展名结尾(这个扩展名的用法其实和unity设计不太相符,TODO；待修改)
if (abName.Contains("/"))
{
return(abName);
}
//string[] paths = m_AssetBundleManifest.GetAllAssetBundles(); 产生GC，需要缓存结果
for (int i = 0; i < m_AllManifest.Length; i++)
{
int index = m_AllManifest[i].LastIndexOf('/');
string path = m_AllManifest[i].Remove(0, index + 1); //字符串操作函数都会产生GC
if (path.Equals(abName))
{
return(m_AllManifest[i]);
}
}//匹配到manifest中的路径就返回m_AllManifest中的信息。
Debug.LogError("GetRealAssetPath Error:>>" + abName);
return(null);
}
/// <summary>
/// 资源初始化结束
/// </summary>
public void OnResourceInited()
{
//TODO：显示In Version[1.5.3] Update Version[1.5.7]
facade.SendMessageCommand(NotiConst.UPDATE_MESSAGE, "In[" + m_InVersion + "]Update[" + m_DataVersion + "]");
//#if ASYNC_MODE 本来这里有两种模式，我现在放弃非ASYNC模式
//ResManager.Initialize(AppConst.AssetDir, delegate ()
ResManager.Initialize(Util.GetPlatformName(), delegate()
{
StartCoroutine(OnReadyCallBack());
});
}
/// <summary>
/// 启动更新下载，这里只是个思路演示，此处可启动线程下载更新
/// </summary>
IEnumerator OnUpdateResource()
{
#pragma warning disable 0162
if (!AppConst.UpdateMode)
{
OnResourceInited();
yield break;
}
string dataPath = Util.DataPath; //数据目录
string url = AppConst.WebUrl;
//string message = string.Empty;
string random = DateTime.Now.ToString("yyyymmddhhmmss");
#pragma warning restore 0162
#region lorry2-9，获取服务器版本，更新对应版本的资源
//TODO:这个version也可以向Server服务器请求获得
string versionUrl = url + "server_version.txt?v=" + random;
UnityWebRequest verDownload = UnityWebRequest.Get(versionUrl);
yield return(verDownload.Send());
if (verDownload.isError)
{
Debug.Log(verDownload.error);
facade.SendMessageCommand(NotiConst.UPDATE_MESSAGE, "获得server_version.txt失败！热更中断：" + verDownload.error);
yield break;
}
string version = verDownload.downloadHandler.text;
url = AppConst.WebUrl + version + "/" + Util.GetPlatformName() + "/";
#endregion
string listUrl = url + "files.txt?v=" + random;
Debug.LogWarning("Down files.txt -->>" + listUrl);
UnityWebRequest www = UnityWebRequest.Get(listUrl);
yield return(www.Send());
if (www.isError)
{
facade.SendMessageCommand(NotiConst.UPDATE_MESSAGE, "更新files.txt失败！热更中断：" + www.error);
yield break;
}
if (!Directory.Exists(dataPath))
{
Directory.CreateDirectory(dataPath);
}
//首先把files.txt写到数据目录。
File.WriteAllBytes(dataPath + "files.txt", www.downloadHandler.data);
string filesText = www.downloadHandler.text;
string[] files = filesText.Split('\n');
Debug.LogWarning("Write files.txt To-->>" + dataPath);
m_DataVersion = files[0];
//这里修改了luaFramework的原始流程，先把所有的操作动作存下来。
List <string> willDownLoadUrl = new List <string>(); //from
List <string> willDownLoadFileName = new List <string>();
List <string> willDownLoadDestination = new List <string>(); //to
facade.SendMessageCommand(NotiConst.UPDATE_MESSAGE, "分析需要更新的文件");
Debug.LogWarning("分析需要更新的文件:" + files.Length);
int totalSize = 0;
for (int i = 1; i < files.Length; i++)
{//分析每一个文件是否需要更新
if (string.IsNullOrEmpty(files[i]))
{
continue;
}
string[] keyValue = files[i].Split('|');
string f = keyValue[0];
string localfile = (dataPath + f).Trim();
string path = Path.GetDirectoryName(localfile);
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
string fileUrl = url + f + "?v=" + random;
bool canUpdate = !File.Exists(localfile); //本地文件不存在，肯定要更新。
if (!canUpdate)
{ //本地存在fileUrl的这个文件，这里进行md5的对比，如果相同就不更新了。
string remoteMd5 = keyValue[1].Trim();
string localMd5 = Util.md5file(localfile);
canUpdate = !remoteMd5.Equals(localMd5);
if (PlayerPrefs.GetString(localfile) == version)//判断本地是否有已经下载的信息
{
canUpdate = false;
willDownLoadDestination.Add(localfile);//有下载信息也要下载
}
if (canUpdate)
{
File.Delete(localfile); //md5码不同，把本地文件删除，接下来会下载这个文件。
}
}
if (canUpdate)
{
int fileSize = int.Parse(keyValue[2]);
totalSize += fileSize;
willDownLoadUrl.Add(fileUrl); //下载地址
willDownLoadFileName.Add(f);
willDownLoadDestination.Add(localfile); //目标文件路径
//这里本来是使用了线程下载，但是我测试中总是卡在第一个下载，暂时换www来进行下载。
//等到需要在游戏中边运行边下载，再考虑线程下载。ThreadManager不成功，总是在OnDownloadFile中WebClient.DownloadFileAsync后就没有反应了
//添加的DownloadProgressChangedEventHandler(ProgressChanged)无法进入，而且异常也没捕获。
}
}
facade.SendMessageCommand(NotiConst.UPDATE_MESSAGE, "开始下载更新文件" + Util.FormatFileSize(totalSize));
if (willDownLoadUrl.Count > 0)
{
facade.SendMessageCommand(NotiConst.UPDATE_ALL_COUNT, willDownLoadUrl.Count);
}
else
{
Debug.LogWarning("分析完毕，没有文件需要更新！");
needHotFix = false;
}
//这里是对比后需要更新的资源文件，TODO:用线程下载
len = willDownLoadUrl.Count;
num = 0;
for (int i = 0; i < willDownLoadUrl.Count; i++)
{
Debug.Log("下载：" + willDownLoadUrl[i]);
facade.SendMessageCommand(NotiConst.UPDATE_FILE_NAME, willDownLoadFileName[i]);
PlayerPrefs.SetString(willDownLoadDestination[i], version);//如果已经下载设置值为版本号
HadDownLoadDestination.Add(willDownLoadDestination[i]);
Thread thread = new Thread(new ParameterizedThreadStart(Down));
thread.Start(willDownLoadUrl[i] + "|" + willDownLoadDestination[i] + "|" + willDownLoadFileName[i]);
}
yield return(new WaitForEndOfFrame());
}
