protected override void ExtractFileOnline(MD5Hash key, string path, string name)
{
IndexEntry idxInfo = CDNIndex.GetIndexInfo(key);
ExtractFileOnlineInternal(idxInfo, key, path, name);
}
private CASCHandlerLite(CASCConfig config, LocaleFlags locale) : base(config)
{
if (config.GameType != CASCGameType.WoW)
{
throw new Exception("Unsupported game " + config.BuildUID);
}
EncodingHandler EncodingHandler;
using (var fs = OpenEncodingFile(this))
EncodingHandler = new EncodingHandler(fs);
WowRootHandler RootHandler;
using (var fs = OpenRootFile(EncodingHandler, this))
RootHandler = new WowRootHandler(fs);
RootHandler.SetFlags(locale, false, false);
CDNIndexData = new Dictionary <MD5Hash, IndexEntry>(comparer);
if (LocalIndex != null)
{
LocalIndexData = new Dictionary <MD5Hash, IndexEntry>(comparer);
}
RootEntry rootEntry;
foreach (var entry in RootHandler.GetAllEntries())
{
rootEntry = entry.Value;
if ((rootEntry.LocaleFlags == locale || (rootEntry.LocaleFlags & locale) != LocaleFlags.None) && (rootEntry.ContentFlags & ContentFlags.Alternate) == ContentFlags.None)
{
if (EncodingHandler.GetEntry(rootEntry.MD5, out EncodingEntry enc))
{
if (!HashToKey.ContainsKey(entry.Key))
{
HashToKey.Add(entry.Key, enc.Key);
FileDataIdToHash.Add(RootHandler.GetFileDataIdByHash(entry.Key), entry.Key);
if (LocalIndex != null)
{
IndexEntry iLocal = LocalIndex.GetIndexInfo(enc.Key);
if (iLocal != null && !LocalIndexData.ContainsKey(enc.Key))
{
LocalIndexData.Add(enc.Key, iLocal);
}
}
IndexEntry iCDN = CDNIndex.GetIndexInfo(enc.Key);
if (iCDN != null && !CDNIndexData.ContainsKey(enc.Key))
{
CDNIndexData.Add(enc.Key, iCDN);
}
}
}
}
}
CDNIndex.Clear();
//CDNIndex = null;
LocalIndex?.Clear();
LocalIndex = null;
RootHandler.Clear();
RootHandler = null;
EncodingHandler.Clear();
EncodingHandler = null;
GC.Collect();
Console.WriteLine("CASCHandlerLite: loaded {0} files", HashToKey.Count);
}
protected override Stream OpenFileOnline(MD5Hash key)
{
IndexEntry idxInfo = CDNIndex.GetIndexInfo(key);
return(OpenFileOnlineInternal(idxInfo, key));
}
private unsafe void ParseIndex(string idx)
{
using (var fs = new FileStream(idx, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
using (var br = new BinaryReader(fs))
{
int h2Len = br.ReadInt32();
int h2Check = br.ReadInt32();
byte[] h2 = br.ReadBytes(h2Len);
long padPos = (8 + h2Len + 0x0F) & 0xFFFFFFF0;
fs.Position = padPos;
int dataLen = br.ReadInt32();
int dataCheck = br.ReadInt32();
int numBlocks = dataLen / 18;
//byte[] buf = new byte[8];
for (int i = 0; i < numBlocks; i++)
{
IndexEntry info = new IndexEntry();
byte[] keyBytes = br.ReadBytes(9);
Array.Resize(ref keyBytes, 16);
MD5Hash key;
fixed(byte *ptr = keyBytes)
key = *(MD5Hash *)ptr;
byte indexHigh = br.ReadByte();
int indexLow = br.ReadInt32BE();
info.Index = (indexHigh << 2 | (byte)((indexLow & 0xC0000000) >> 30));
info.Offset = (indexLow & 0x3FFFFFFF);
//for (int j = 3; j < 8; j++)
// buf[7 - j] = br.ReadByte();
//long val = BitConverter.ToInt64(buf, 0);
//info.Index = (int)(val / 0x40000000);
//info.Offset = (int)(val % 0x40000000);
info.Size = br.ReadInt32();
// duplicate keys wtf...
//IndexData[key] = info; // use last key
if (!LocalIndexData.ContainsKey(key)) // use first key
{
LocalIndexData.Add(key, info);
}
}
padPos = (dataLen + 0x0FFF) & 0xFFFFF000;
fs.Position = padPos;
fs.Position += numBlocks * 18;
//for (int i = 0; i < numBlocks; i++)
//{
// var bytes = br.ReadBytes(18); // unknown data
//}
//if (fs.Position != fs.Length)
// throw new Exception("idx file under read");
}
}
