/// <summary>
/// 下载需要更新的资源
/// </summary>
/// <param name="needDownload_dic"></param>
/// <returns></returns>
IEnumerator DownloadAsset(Dictionary <string, MD5_FileInfo> needDownload_dic)
{
int has_download_count = 0;
int need_download_count = needDownload_dic.Count;
foreach (var pair in needDownload_dic)
{
string path = Util.PathCombine(AppConst.Res_Download_Address, Client.GetHttpServerBundleDir(), pair.Key);
Debug.Log(path);
WWW www = new WWW("http://" + path);
while (!www.isDone)
{
yield return(null);
}
if (string.IsNullOrEmpty(www.error))
{
string file_path = Util.PathCombine(Client.GetPersistentPath(), pair.Key);
string file_md5 = Util.GetBytesMD5(www.bytes);
if (string.Equals(file_md5, pair.Value.MD5)) //下载完成后，对Md5的教研
{
string directory = file_path.Substring(0, file_path.LastIndexOf('/'));
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
File.WriteAllBytes(file_path, www.bytes);
downloaded_dic.Add(pair.Key, pair.Value);
has_download_count++;
MsgManager.Broadcast(Msg.Res_Download_One, new object[] { (float)has_download_count / (float)need_download_count, pair.Key });
}
else
{
//教研出错的话，需要加到下载队列中，重新下载
Debug.LogError("下载出错 " + pair.Key);
}
}
else
{
Debug.Log(string.Format("下载出错 {0} 因为 {1} ", pair.Key, www.error));
}
}
if (has_download_count == need_download_count)
{
ExportDownloadedMD5(downloaded_dic);
MsgManager.Broadcast(Msg.Res_DownLoad_Finish, null);
Debug.Log("下载完成");
}
else
{
Debug.Log(string.Format("下载进度 download_count {0} need_download {1}", has_download_count, need_download_count));
}
}
void UpdateRes()
{
old_res_dic = GetMd5_Old();
StartCoroutine(DownLoadNewMD5());
CheckNeedDownDic();
if (need_download_dic.Count == 0)
{
MsgManager.Broadcast(Msg.Res_DownLoad_Finish, null);
}
else
{
MsgManager.Broadcast(Msg.Res_Download_Start, new object[] { res_total_size });
StartCoroutine(DownloadAsset(need_download_dic));
}
}
/// <summary>
/// 资源的解压
/// </summary>
/// <returns></returns>
IEnumerator MoveStreamingAssetsToPersisdentPath()
{
string streamingPath = Client.GetStreamingDataPath(); //随包资源目录
string persistentPath = Client.GetPersistentPath(); //持久化资源目录
if (Directory.Exists(persistentPath))
{
Directory.Delete(persistentPath, true);
}
Directory.CreateDirectory(persistentPath);
//先找到MD5 匹配文件
string inFile = Client.GetStreamingMD5Path();
string outFile = Client.GetPersistentMD5Path();
if (File.Exists(outFile))
{
File.Delete(outFile);
}
if (Application.platform == RuntimePlatform.Android)
{
WWW www = new WWW(inFile);
yield return(www);
if (www.isDone)
{
File.WriteAllBytes(outFile, www.bytes);
}
yield return(0);
}
else
{
File.Copy(inFile, outFile, true);
}
yield return(new WaitForEndOfFrame());
//释放所有文件到数据目录
string[] files = File.ReadAllLines(outFile);
MsgManager.Broadcast(Msg.Res_Release_Start, new object[] { files.Length });
foreach (var file in files)
{
string[] fs = file.Split('|');
inFile = Path.Combine(streamingPath, fs[0]);
outFile = Path.Combine(persistentPath, fs[0]);
string dir = Path.GetDirectoryName(outFile);
if (!Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
}
if (Application.platform == RuntimePlatform.Android)
{
WWW www = new WWW(inFile);
yield return(www);
if (www.isDone)
{
File.WriteAllBytes(outFile, www.bytes);
}
yield return(0);
}
else
{
if (File.Exists(outFile))
{
File.Delete(outFile);
}
File.Copy(inFile, outFile, true);
}
MsgManager.Broadcast(Msg.Res_Release_One, null);
yield return(new WaitForEndOfFrame());
}
//解包完更新
UpdateRes();
}