public Stream Decompress(Stream stream)
{
using (var reader = new FileReader(stream, true))
{
reader.SeekBegin(4);
uint decompSize = reader.ReadUInt32();
var acesComp = new STLibraryCompression.MTA_CUSTOM();
return(new MemoryStream(acesComp.Decompress(stream.ToArray(), decompSize)));
}
}
private byte[] DecompressBlock()
{
byte[] data = GetBlock();
var reader = new FileReader(data);
reader.ByteOrder = Syroot.BinaryData.ByteOrder.BigEndian;
byte compType = reader.ReadByte();
if (compType == 0x50)
{
reader.Seek(4, System.IO.SeekOrigin.Begin);
uint decompSize = reader.ReadUInt32();
uint compSize = (uint)reader.BaseStream.Length - 8;
var comp = new STLibraryCompression.MTA_CUSTOM();
return(comp.Decompress(data, decompSize));
}
else if (compType == 0x30 || compType == 0x20)
{
uint decompSize = reader.ReadUInt32();
uint compSize = (uint)reader.BaseStream.Length - 16;
reader.SeekBegin(16);
ushort signature = reader.ReadUInt16();
bool IsGZIP = signature == 0x1F8B;
bool IsZLIB = signature == 0x789C || signature == 0x78DA;
byte[] filedata = reader.getSection(16, (int)compSize);
reader.Close();
reader.Dispose();
if (IsGZIP)
{
data = STLibraryCompression.GZIP.Decompress(filedata);
}
else
{
data = STLibraryCompression.ZLIB.Decompress(filedata, false);
}
}
return(data);
}
