public static IKompressionConfiguration GetConfiguration(NintendoCompressionMethod method)
{
switch (method)
{
case NintendoCompressionMethod.Lz10:
return(Kompression.Implementations.Compressions.Nintendo.Lz10);
case NintendoCompressionMethod.Lz11:
return(Kompression.Implementations.Compressions.Nintendo.Lz11);
case NintendoCompressionMethod.Lz40:
return(Kompression.Implementations.Compressions.Nintendo.Lz40);
case NintendoCompressionMethod.Lz60:
return(Kompression.Implementations.Compressions.Nintendo.Lz60);
case NintendoCompressionMethod.Huffman4:
return(Kompression.Implementations.Compressions.Nintendo.Huffman4Bit);
case NintendoCompressionMethod.Huffman8:
return(Kompression.Implementations.Compressions.Nintendo.Huffman8Bit);
case NintendoCompressionMethod.Rle:
return(Kompression.Implementations.Compressions.Nintendo.Rle);
default:
throw new NotSupportedException($"Unknown compression method {method}");
}
}
private Stream Decompress(Stream input)
{
using var br = new BinaryReaderX(input, true);
input.Position = 5;
var magic = br.ReadString(4);
if (magic != "F3XT")
{
_wasCompressed = false;
return(input);
}
_wasCompressed = true;
var ms = new MemoryStream();
input.Position = 0;
_compMethod = NintendoCompressor.PeekCompressionMethod(input);
NintendoCompressor.Decompress(input, ms);
ms.Position = 0;
return(ms);
}
public static void Compress(Stream input, Stream output, NintendoCompressionMethod method)
{
var configuration = GetConfiguration(method);
configuration.Build().Compress(input, output);
}
public static bool IsValidCompressionMethod(NintendoCompressionMethod method)
{
return(Enum.IsDefined(typeof(NintendoCompressionMethod), method));
}
