private Stream InflateData(Stream stream)
{
byte[] deflatedDate = new byte[BlockSizes.Sum()];
// Lock stream while reading deflated data
lock (stream) {
stream.Position = Offset;
stream.Read(deflatedDate);
}
BigEndianBinaryReader reader = new(new MemoryStream(deflatedDate));
const int zHeader = 0x78DA;
MemoryStream outputStream = new();
foreach (int size in BlockSizes)
{
ushort num = reader.ReadUInt16();
reader.BaseStream.Position -= 2L;
byte[] data = reader.ReadBytes(size);
// Compressed
if (num == zHeader)
{
try
{
Archives.Unzip(data, outputStream, false);
}
catch (Exception ex)
{
// corrupt CDLC zlib.net exception ... try to unpack
Logger.LogError(string.IsNullOrEmpty(Name)
? @$ "CDLC contains a zlib exception.{Environment.NewLine}Warning: {ex}"
: @$ "CDLC contains a broken datachunk in file '{Name.Split('/').Last()}'.{Environment.NewLine}Warning Type 1: {ex}");
}
}
// Raw
else
{
outputStream.Write(data, 0, data.Length);
}
}
outputStream.Seek(0, SeekOrigin.Begin);
outputStream.Flush();
return(outputStream);
}
public void Open(Stream fileStream, GamePlatform platform)
{
using MemoryStream decrypted = new();
using BinaryReader ebrDec = new(decrypted);
Decrypt(fileStream, decrypted, GetEncodingKey(platform));
using MemoryStream output = new();
//unZip
ushort xU = ebrDec.ReadUInt16();
decrypted.Position -= 2;
if (xU == 0x78DA || xU == 0xDA78) //LE 55928 //BE 30938
{
Archives.Unzip(decrypted, output, false);
}
output.Seek(0, SeekOrigin.Begin);
Data = SngData.Read(new BinaryReader(output));
}