private void PrepareDownloads(FileMapSystem.FileMapSystem newMap, string versionStr)
{
if (_downloader != null)
{
_downloader.Release();
_downloader = null;
}
_downloader = new HttpFileDownloader(new Uri(GetDownloadBaseURL(versionStr)),
AssetBundlePathResolver.BundleSaveDirName);
var currentMap = AssetBundleManager.Instance.GetFileMapSystem();
var misses = currentMap.GetMissFileMaps(newMap);
_currentDownloadingGroupDesc = misses;
CommonLog.Log(MAuthor.WY, $"{misses.Count} files miss in current file map");
foreach (var fileMapGroupDescIter in misses)
{
var fileName = fileMapGroupDescIter.Key;
var desc = fileMapGroupDescIter.Value;
var fileSavePath = _savePath + fileName;
if (File.Exists(fileSavePath))
{
var bytes = FileUtils.ReadAllBytes(fileSavePath);
if (bytes != null && bytes.Length > 0)
{
var md5 = MD5Creater.Md5Struct(bytes);
if (md5.MD51 == desc.Md51 && md5.MD52 == desc.Md52)
{
CommonLog.Log(MAuthor.WY, $"file {fileSavePath} already exist, skip");
continue;
}
}
}
_downloader.AddDownLoad(new WWWFileDownloader.DownloadFileInfo
{
FileName = fileName,
FileSize = desc.Len,
MapedFileName_MD51 = desc.Md51,
MapedFileName_MD52 = desc.Md52,
});
}
}
private void OnApplicationQuit()
{
_downloader?.Release();
_downloader = null;
}