protected BinaryReader OpenRootFile(EncodingHandler enc, CASCHandlerBase casc)
{
if (!enc.GetEntry(casc.Config.RootMD5, out EncodingEntry encInfo))
{
throw new FileNotFoundException("encoding info for root file missing!");
}
//ExtractFile(encInfo.Key, ".", "root");
return(new BinaryReader(casc.OpenFile(encInfo.Key)));
}