public static long Decompress(byte[] inputBuffer, byte[] outputBuffer)
{
var result = 0;
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
result = CompressionSettings.Get().UseOodle
? OodleLib.OodleLZ_Decompress(inputBuffer, outputBuffer)
: KrakenLib.Decompress(inputBuffer, outputBuffer);
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
result = KrakenLib.Decompress(inputBuffer, outputBuffer);
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
result = OozNative.Kraken_Decompress(inputBuffer, outputBuffer);
}
else
{
throw new NotImplementedException();
}
return(result);
}
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
}
