private void TryAddDownFile(AssetMd5FileInfo info)
{
if (m_downAssetMd5Dict.ContainsKey(info.m_md5FilePath))
{
BLogger.Warning("file[{0}] has exist in new asset", info.m_md5FilePath);
}
else
{
m_downAssetMd5Dict.Add(info.m_md5FilePath, info);
}
}
bool IsNeedUpdate(AssetMd5FileInfo newInfo)
{
//新增加的文件
if (!m_localAssetMd5Dict.ContainsKey(newInfo.m_md5FilePath))
{
return(true);
}
//已经存在的,比较md5文件
AssetMd5FileInfo existFileInfo = m_localAssetMd5Dict[newInfo.m_md5FilePath];
if (existFileInfo.m_md5Content != newInfo.m_md5Content ||
existFileInfo.m_compress != newInfo.m_compress)
{
return(true);
}
return(false);
}
public IEnumerator DownloadLatestIndex(string urlPath)
{
//清理数据
m_downIndexList.Clear();
m_downAssetMd5Dict.Clear();
m_latestAssetMd5Dict.Clear();
//清理文件
ReleaseUtil.DeleteFolder(downTempDir);
//md5索引文件的总表
string urlMd5Root = urlPath + "/" + AssetBundleUtil.MD5HASH_FILE_ROOT_NAME;
BLogger.Info("DownloadLatestIndex:{0}", urlMd5Root);
WWW wwwRoot = new WWW(urlMd5Root);
yield return(wwwRoot);
if (wwwRoot.error != null)
{
BLogger.Warning("www request failed, Url:{0}, error:{1}", urlMd5Root, wwwRoot.error);
m_error = String.Format(StartupTextConfigMgr.Instance.GetText(StartupTextDefine.ID_STARTUP_UPDATE_READ_LOCAL_FAILED, 1, wwwRoot.error));
wwwRoot.Dispose();
yield break;
}
List <AssetMd5FileInfo> listMd5Index = ParseAssetMd5List(urlMd5Root, wwwRoot.text);
if (null == listMd5Index)
{
BLogger.Warning("ParseAssetMd5List, Url:{0}", urlMd5Root);
m_error = StartupTextConfigMgr.Instance.GetText(StartupTextDefine.ID_STARTUP_UPDATE_READ_LOCAL_FAILED_NO_ERRORCODE, 2);
wwwRoot.Dispose();
yield break;
}
//临时目录写入root文件
bool ret = AssetBundleUtil.WriteToFile(downTempDir, AssetBundleUtil.MD5HASH_FILE_ROOT_NAME,
wwwRoot.bytes);
wwwRoot.Dispose();
if (!ret)
{
BLogger.Warning("Write root file failed");
m_error = StartupTextConfigMgr.Instance.GetText(StartupTextDefine.ID_STARTUP_UPDATE_WRITE_FAILED, (downTempDir + AssetBundleUtil.MD5HASH_FILE_ROOT_NAME));
yield break;
}
///记录最新的assetbundle所有信息
Dictionary <string, AssetMd5FileInfo> latestAssetInfo = m_latestAssetMd5Dict;
Crc32 crc = new Crc32();
foreach (AssetMd5FileInfo indexFileInfo in listMd5Index)
{
BLogger.Info("new index file[{0}]", indexFileInfo.m_md5FilePath);
//循环读取配置
//如果是内置资源的方式，则需要把所有的index文件给读取下来
if (IsNeedUpdate(indexFileInfo))
{
m_downIndexList.Add(indexFileInfo.m_md5FilePath);
string urlItem = urlPath + "/" + indexFileInfo.m_md5FilePath;
WWW www = new WWW(urlItem);
yield return(www);
if (www.error != null)
{
BLogger.Warning("update [{0}] failed[{1}]", urlItem, www.error);
m_error = String.Format("读取资源配置文件失败(3)[{0}]", www.error);
yield break;
}
ret = AssetBundleUtil.WriteToFile(downTempDir, indexFileInfo.m_md5FilePath,
www.bytes);
if (!ret)
{
m_error = StartupTextConfigMgr.Instance.GetText(StartupTextDefine.ID_STARTUP_UPDATE_WRITE_FAILED,
(downTempDir + indexFileInfo.m_md5FilePath));
yield break;
}
//检查crc校验
if (indexFileInfo.m_crc != 0 && !CheckFileCrc(crc, downTempDir + indexFileInfo.m_md5FilePath, indexFileInfo.m_crc))
{
m_error = StartupTextConfigMgr.Instance.GetText(StartupTextDefine.ID_STARTUP_UPDATE_CRC_CHECK_FAILED,
(downTempDir + indexFileInfo.m_md5FilePath));
yield break;
}
BLogger.Info("check index crc ok, index file: " + indexFileInfo.m_md5FilePath + ",expcect: " + indexFileInfo.m_crc);
indexFileInfo.m_downLoad = true;
List <AssetMd5FileInfo> listAsset = ParseAssetMd5List(urlItem, www.text);
if (null == listAsset)
{
yield break;
}
www.Dispose();
//增加到待更新列表中
for (int i = 0; i < listAsset.Count; i++)
{
AssetMd5FileInfo eachAsset = listAsset[i];
m_latestAssetMd5Dict.Add(eachAsset.m_md5FilePath, eachAsset);
}
}
}
}
