public bool GetEncodingEntry(ulong hash, out EncodingEntry entry)
{
var info = RootHandler.GetEntries(hash);
if (info.Any())
{
return(EncodingHandler.GetEntry(info.First().MD5, out entry));
}
if ((CASCConfig.LoadFlags & LoadFlags.Install) != 0)
{
var installInfo = Install.GetEntries().Where(e => Hasher.ComputeHash(e.Name) == hash);
if (installInfo.Any())
{
return(EncodingHandler.GetEntry(installInfo.First().MD5, out entry));
}
}
entry = default(EncodingEntry);
return(false);
}
public EncodingHandler(BinaryReader stream)
{
stream.Skip(2); // EN
byte b1 = stream.ReadByte();
byte checksumSizeA = stream.ReadByte();
byte checksumSizeB = stream.ReadByte();
ushort flagsA = stream.ReadUInt16();
ushort flagsB = stream.ReadUInt16();
int numEntriesA = stream.ReadInt32BE();
int numEntriesB = stream.ReadInt32BE();
byte b4 = stream.ReadByte();
int stringBlockSize = stream.ReadInt32BE();
stream.Skip(stringBlockSize);
stream.Skip(numEntriesA * 32);
long chunkStart = stream.BaseStream.Position;
for (int i = 0; i < numEntriesA; ++i)
{
ushort keysCount;
while ((keysCount = stream.ReadUInt16()) != 0)
{
int fileSize = stream.ReadInt32BE();
MD5Hash hash = stream.Read<MD5Hash>();
EncodingEntry entry = new EncodingEntry();
entry.Size = fileSize;
// how do we handle multiple keys?
for (int ki = 0; ki < keysCount; ++ki)
{
MD5Hash key = stream.Read<MD5Hash>();
// use first key for now
if (ki == 0)
entry.Key = key;
else
Log.Write("Multiple encoding keys for MD5 hash {0} -> {1}", hash.ToHexString(), key.ToHexString());
}
EncodingData.Add(hash, entry);
}
// each chunk is 4096 bytes, and zero padding at the end
long remaining = CHUNK_SIZE - ((stream.BaseStream.Position - chunkStart) % CHUNK_SIZE);
if (remaining > 0)
stream.BaseStream.Position += remaining;
}
for (int i = 0; i < numEntriesB; ++i)
{
byte[] firstKey = stream.ReadBytes(16);
byte[] blockHash = stream.ReadBytes(16);
}
long chunkStart2 = stream.BaseStream.Position;
for (int i = 0; i < numEntriesB; ++i)
{
byte[] key = stream.ReadBytes(16);
int stringIndex = stream.ReadInt32BE();
byte unk1 = stream.ReadByte();
int fileSize = stream.ReadInt32BE();
// each chunk is 4096 bytes, and zero padding at the end
long remaining = CHUNK_SIZE - ((stream.BaseStream.Position - chunkStart2) % CHUNK_SIZE);
if (remaining > 0)
stream.BaseStream.Position += remaining;
}
}
public bool GetEntry(MD5Hash hash, out EncodingEntry entry)
{
return EncodingData.TryGetValue(hash, out entry);
}
public bool GetEncodingEntry(ulong hash, out EncodingEntry entry)
{
var info = RootHandler.GetEntries(hash);
if (info.Any())
return EncodingHandler.GetEntry(info.First().MD5, out entry);
if ((CASCConfig.LoadFlags & LoadFlags.Install) != 0)
{
var installInfo = Install.GetEntries().Where(e => Hasher.ComputeHash(e.Name) == hash);
if (installInfo.Any())
return EncodingHandler.GetEntry(installInfo.First().MD5, out entry);
}
entry = default(EncodingEntry);
return false;
}
public EncodingHandler(BinaryReader stream)
{
stream.Skip(2); // EN
byte b1 = stream.ReadByte();
byte checksumSizeA = stream.ReadByte();
byte checksumSizeB = stream.ReadByte();
ushort flagsA = stream.ReadUInt16();
ushort flagsB = stream.ReadUInt16();
int numEntriesA = stream.ReadInt32BE();
int numEntriesB = stream.ReadInt32BE();
byte b4 = stream.ReadByte();
int stringBlockSize = stream.ReadInt32BE();
stream.Skip(stringBlockSize);
stream.Skip(numEntriesA * 32);
long chunkStart = stream.BaseStream.Position;
for (int i = 0; i < numEntriesA; ++i)
{
ushort keysCount;
while ((keysCount = stream.ReadUInt16()) != 0)
{
int fileSize = stream.ReadInt32BE();
MD5Hash hash = stream.Read <MD5Hash>();
EncodingEntry entry = new EncodingEntry();
entry.Size = fileSize;
// how do we handle multiple keys?
for (int ki = 0; ki < keysCount; ++ki)
{
MD5Hash key = stream.Read <MD5Hash>();
// use first key for now
if (ki == 0)
{
entry.Key = key;
}
else
{
Log.Write("Multiple encoding keys for MD5 hash {0} -> {1}", hash.ToHexString(), key.ToHexString());
}
}
EncodingData.Add(hash, entry);
}
// each chunk is 4096 bytes, and zero padding at the end
long remaining = CHUNK_SIZE - ((stream.BaseStream.Position - chunkStart) % CHUNK_SIZE);
if (remaining > 0)
{
stream.BaseStream.Position += remaining;
}
}
for (int i = 0; i < numEntriesB; ++i)
{
byte[] firstKey = stream.ReadBytes(16);
byte[] blockHash = stream.ReadBytes(16);
}
long chunkStart2 = stream.BaseStream.Position;
for (int i = 0; i < numEntriesB; ++i)
{
byte[] key = stream.ReadBytes(16);
int stringIndex = stream.ReadInt32BE();
byte unk1 = stream.ReadByte();
int fileSize = stream.ReadInt32BE();
// each chunk is 4096 bytes, and zero padding at the end
long remaining = CHUNK_SIZE - ((stream.BaseStream.Position - chunkStart2) % CHUNK_SIZE);
if (remaining > 0)
{
stream.BaseStream.Position += remaining;
}
}
}
public bool GetEntry(MD5Hash hash, out EncodingEntry entry)
{
return(EncodingData.TryGetValue(hash, out entry));
}
