public void Kraken_Compress(int level)
{
var path = Path.GetFullPath(Path.Combine("Resources", s_uncompressedFile));
var inbuffer = File.ReadAllBytes(path);
var compressedBufferSizeNeeded = Oodle.GetCompressedBufferSizeNeeded(inbuffer.Length);
var outdir = Path.Combine(Environment.CurrentDirectory, "ooz");
Directory.CreateDirectory(outdir);
// oodle
//IEnumerable<byte> outBuffer = new List<byte>();
//var r = Oodle.Compress(inbuffer, ref outBuffer, true, (Oodle.CompressionLevel)level);
//var outpath = Path.Combine(outdir, $"{level}_oodle.kark");
//var final = outBuffer.ToArray();
//File.WriteAllBytes(outpath, final);
#if _WINDOWS
// kraken
var outBuffer2 = new byte[compressedBufferSizeNeeded];
//var outBuffer2 = new byte[inbuffer.Length + 65536];
KrakenLib.Load();
var r2 = KrakenLib.Compress(inbuffer, outBuffer2, (int)level);
var outpath2 = Path.Combine(outdir, $"{(int)level}_kraken.kark");
var final2 = outBuffer2.Take(r2).ToArray();
File.WriteAllBytes(outpath2, final2);
#endif
var compareFile = Path.GetFullPath(Path.Combine("Resources", $"{level}_oodle.kark"));
var compareBytes = File.ReadAllBytes(compareFile);
Assert.IsTrue(Enumerable.SequenceEqual(final2, compareBytes.Skip(8)));
}
public const uint KARK = 1263681867; // 0x4b, 0x41, 0x52, 0x4b
public static bool Load()
{
// try get oodle dll from game
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
var result = false;
if (TryCopyOodleLib())
{
result = OodleLib.Load(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "oo2ext_7_win64.dll"));
if (result)
{
CompressionSettings.Get().CompressionLevel = CompressionLevel.Optimal2;
CompressionSettings.Get().UseOodle = true;
return(true);
}
}
// try load Kraken
result = KrakenLib.Load();
if (result)
{
return(true);
}
Log.Error("Could not automatically find oo2ext_7_win64.dll. " +
"Please manually copy and paste the DLL found in <gamedir>\\Cyberpunk 2077\\bin\\x64\\oo2ext_7_win64.dll into this folder: " +
$"{AppDomain.CurrentDomain.BaseDirectory}.");
return(false);
}
if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
return(KrakenLib.Load());
}
if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
}
throw new NotImplementedException();
}
public void Kraken_Decompress(int level)
{
var testFile = Path.GetFullPath(Path.Combine("Resources", $"{level}_oodle.kark"));
var outdir = Path.Combine(Environment.CurrentDirectory, "ooz");
Directory.CreateDirectory(outdir);
using var fs = new FileStream(testFile, FileMode.Open, FileAccess.Read);
using var br = new BinaryReader(fs);
var oodleCompression = br.ReadBytes(4);
if (!oodleCompression.SequenceEqual(new byte[] { 0x4b, 0x41, 0x52, 0x4b }))
{
throw new NotImplementedException();
}
var size = br.ReadUInt32();
var buffer = br.ReadBytes((int)fs.Length - 8);
// oodle
var outBuffer1 = new byte[size];
{
var unpackedSize = Oodle.Decompress(buffer, outBuffer1);
var outpath = Path.Combine(outdir, "oodle.txt");
File.WriteAllBytes(outpath, outBuffer1);
}
#if _WINDOWS
// kraken
var outBuffer2 = new byte[size];
{
KrakenLib.Load();
long unpackedSize2 = KrakenLib.Decompress(buffer, outBuffer2);
var outpath2 = Path.Combine(outdir, "kraken.txt");
File.WriteAllBytes(outpath2, outBuffer2);
}
Assert.IsTrue(Enumerable.SequenceEqual(outBuffer1, outBuffer2));
#endif
}