private void CompareFileListHashThread(object args)
{
AssetDownloader.CompareFileListHashArg compareFileListHashArg = args as AssetDownloader.CompareFileListHashArg;
if (compareFileListHashArg == null || string.IsNullOrEmpty(compareFileListHashArg.cacheDir) || compareFileListHashArg.nodes == null)
{
return;
}
string cacheDir = compareFileListHashArg.cacheDir;
AssetList assetList = AssetManager.AssetList;
if (compareFileListHashArg.dic.Count == 0)
{
AssetDownloader.mExistFile.Clear();
for (int index = 0; index < compareFileListHashArg.nodes.Count; ++index)
{
this.mCompareHashMutex.WaitOne();
this.mCompareHashProgressShared = (float)index / (float)compareFileListHashArg.nodes.Count;
this.mCompareHashMutex.ReleaseMutex();
AssetDownloader.CompareFileListHashArg.Node node = compareFileListHashArg.nodes[index];
if (node != null && !string.IsNullOrEmpty(node.IDStr) && !string.IsNullOrEmpty(node.metaPath))
{
string path = cacheDir + node.IDStr;
string metaPath = node.metaPath;
bool flag1 = File.Exists(path);
bool flag2 = false;
if (File.Exists(metaPath))
{
if (flag1)
{
if (AssetDownloader.GetFileSize(path) != (long)node.Size)
{
flag2 = true;
goto label_17;
}
}
try
{
using (FileStream fileStream = new FileStream(metaPath, FileMode.Open))
{
uint num = new BinaryReader((Stream)fileStream).ReadUInt32();
if ((int)node.Hash != (int)num)
{
flag2 = true;
}
}
}
catch (Exception ex)
{
flag2 = true;
}
label_17:
if (flag2)
{
File.Delete(metaPath);
}
}
else
{
flag2 = true;
}
if (flag1)
{
if (flag2)
{
File.Delete(path);
}
else
{
node.Item.Exist = true;
AssetDownloader.mExistFile.Add(new AssetDownloader.ExistAssetList(node.Item.ID, assetList.SearchItemIdx(node.Item.ID)));
}
}
}
}
}
else
{
AssetDownloader.ExistAssetList[] array = AssetDownloader.mExistFile.ToArray();
for (int index = 0; index < array.Length; ++index)
{
this.mCompareHashMutex.WaitOne();
this.mCompareHashProgressShared = (float)index / (float)array.Length;
this.mCompareHashMutex.ReleaseMutex();
bool flag = false;
AssetList.Item itemById = AssetManager.AssetList.FastFindItemByID(array[index].FileID);
AssetList.Item obj;
if (itemById != null && compareFileListHashArg.dic.TryGetValue(array[index].FileID, out obj))
{
if (flag | itemById.Size != obj.Size | (int)itemById.Hash != (int)obj.Hash)
{
AssetDownloader.mExistFile.Remove(array[index]);
}
else
{
itemById.Exist = true;
}
}
}
}
}