730 lines
26 KiB
C#
730 lines
26 KiB
C#
using Syroot.BinaryData;
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using System.IO;
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using System.IO.Compression;
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using K4os.Compression.LZ4.Streams;
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using System.Windows.Forms;
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using ICSharpCode.SharpZipLib.Zip.Compression.Streams;
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using System.Collections.Generic;
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using System.Linq;
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using System;
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using System.Runtime.InteropServices;
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namespace Toolbox.Library.IO
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{
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public class STLibraryCompression
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{
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public static byte[] CompressFile(byte[] data, IFileFormat format)
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{
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int Alignment = 0;
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if (format.IFileInfo != null)
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Alignment = format.IFileInfo.Alignment;
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var FileCompression = format.IFileInfo.FileCompression;
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if (FileCompression == null) return data;
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if (FileCompression is Yaz0)
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((Yaz0)FileCompression).Alignment = Alignment;
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return FileCompression.Compress(new MemoryStream(data)).ToArray();
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}
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public class ZSTD
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{
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}
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public class ZLIB_GZ
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{
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public static bool IsCompressed(Stream stream)
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{
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if (stream.Length < 32) return false;
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using (var reader = new FileReader(stream, true))
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{
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reader.Position = 0;
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ushort check = reader.ReadUInt16();
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reader.ReadUInt16();
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if (check != 0)
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reader.SetByteOrder(true);
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else
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reader.SetByteOrder(false);
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uint chunkCount = reader.ReadUInt32();
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uint decompressedSize = reader.ReadUInt32();
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if (reader.BaseStream.Length > 8 + (chunkCount * 4) + 128)
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{
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uint[] chunkSizes = reader.ReadUInt32s((int)chunkCount);
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reader.Align(128);
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//Now search for zlibbed chunks
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uint size = reader.ReadUInt32();
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ushort magic = reader.ReadUInt16();
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reader.Position = 0;
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if (magic == 0x78da || magic == 0xda78)
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return true;
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else
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return false;
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}
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reader.Position = 0;
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}
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return false;
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}
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public static Stream Decompress(Stream stream)
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{
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using (var reader = new FileReader(stream, true))
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{
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ushort check = reader.ReadUInt16();
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reader.ReadUInt16();
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if (check != 0)
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reader.SetByteOrder(true);
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else
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reader.SetByteOrder(false);
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try
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{
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uint chunkCount = reader.ReadUInt32();
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uint decompressedSize = reader.ReadUInt32();
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uint[] chunkSizes = reader.ReadUInt32s((int)chunkCount); //Not very sure about this
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reader.Align(128);
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List<byte[]> DecompressedChunks = new List<byte[]>();
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Console.WriteLine($"pos {reader.Position}");
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//Now search for zlibbed chunks
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while (!reader.EndOfStream)
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{
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uint size = reader.ReadUInt32();
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long pos = reader.Position;
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ushort magic = reader.ReadUInt16();
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///Check zlib magic
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if (magic == 0x78da || magic == 0xda78)
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{
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var data = STLibraryCompression.ZLIB.Decompress(reader.getSection((uint)pos, size));
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DecompressedChunks.Add(data);
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reader.SeekBegin(pos + size); //Seek the compressed size and align it to goto the next chunk
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reader.Align(128);
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}
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else //If the magic check fails, seek back 2. This shouldn't happen, but just incase
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reader.Seek(-2);
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}
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//Return the decompressed stream with all chunks combined
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return new MemoryStream(Utils.CombineByteArray(DecompressedChunks.ToArray()));
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}
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catch
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{
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}
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}
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return null;
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}
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public static Stream Compress(Stream stream, bool isBigEndian = true)
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{
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uint decompSize = (uint)stream.Length;
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uint[] section_sizes;
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uint sectionCount = 0;
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var mem = new MemoryStream();
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using (var reader = new FileReader(stream, true))
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using (var writer = new FileWriter(mem, true))
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{
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writer.SetByteOrder(isBigEndian);
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if (!(decompSize % 0x10000 != 0))
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sectionCount = decompSize / 0x10000;
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else
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sectionCount = (decompSize / 0x10000) + 1;
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writer.Write(0x10000);
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writer.Write(sectionCount);
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writer.Write(decompSize);
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writer.Write(new uint[sectionCount]);
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writer.Align(128);
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reader.SeekBegin(0);
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section_sizes = new uint[sectionCount];
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for (int i = 0; i < sectionCount; i++)
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{
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byte[] chunk = ZLIB.Compress(reader.ReadBytes(0x10000));
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section_sizes[i] = (uint)chunk.Length;
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writer.Write(chunk.Length);
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writer.Write(chunk);
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writer.Align(128);
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}
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writer.SeekBegin(12);
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for (int i = 0; i < sectionCount; i++)
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writer.Write(section_sizes[i] + 4);
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}
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return mem;
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}
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}
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public class ZLIB
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{
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public static byte[] Decompress(byte[] b, bool hasMagic = true)
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{
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using (var br = new FileReader(new MemoryStream(b), true))
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{
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if (br.ReadString(4) == "ZCMP")
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{
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return DecompressZCMP(b);
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}
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else
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{
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var ms = new System.IO.MemoryStream();
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if (hasMagic)
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{
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br.Position = 2;
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using (var ds = new DeflateStream(new MemoryStream(br.ReadBytes((int)br.BaseStream.Length - 6)), CompressionMode.Decompress))
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ds.CopyTo(ms);
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}
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else
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{
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using (var ds = new DeflateStream(new MemoryStream(b), CompressionMode.Decompress))
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ds.CopyTo(ms);
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}
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return ms.ToArray();
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}
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}
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}
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public static Byte[] DecompressZCMP(byte[] b)
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{
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Console.WriteLine("DecompressZCMP");
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using (var br = new FileReader(new MemoryStream(b), true))
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{
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var ms = new System.IO.MemoryStream();
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br.BaseStream.Position = 130;
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using (var ds = new DeflateStream(new MemoryStream(br.ReadBytes((int)br.BaseStream.Length - 80)), CompressionMode.Decompress))
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ds.CopyTo(ms);
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return ms.ToArray();
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}
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}
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public static byte[] Compress(byte[] b, uint Position = 0)
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{
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var output = new MemoryStream();
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output.Write(new byte[] { 0x78, 0xDA }, 0, 2);
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using (var zipStream = new DeflateStream(output, CompressionMode.Compress, true))
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zipStream.Write(b, 0, b.Length);
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//Add this as it weirdly prevents the data getting corrupted
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//From https://github.com/IcySon55/Kuriimu/blob/f670c2719affc1eaef8b4c40e40985881247acc7/src/Kontract/Compression/ZLib.cs
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var adler = b.Aggregate(Tuple.Create(1, 0), (x, n) => Tuple.Create((x.Item1 + n) % 65521, (x.Item1 + x.Item2 + n) % 65521));
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output.Write(new[] { (byte)(adler.Item2 >> 8), (byte)adler.Item2, (byte)(adler.Item1 >> 8), (byte)adler.Item1 }, 0, 4);
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return output.ToArray();
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}
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public static void CopyStream(System.IO.Stream input, System.IO.Stream output)
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{
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byte[] buffer = new byte[2000];
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int len;
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while ((len = input.Read(buffer, 0, 2000)) > 0)
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{
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output.Write(buffer, 0, len);
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}
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output.Flush();
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}
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}
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public class BPE
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{
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public static unsafe byte[] Decompress(byte[] input, uint decompressedLength)
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{
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fixed (byte* outputPtr = new byte[decompressedLength])
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{
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fixed (byte* inputPtr = input)
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{
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Decompress(outputPtr, inputPtr, decompressedLength);
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}
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byte[] decomp = new byte[decompressedLength];
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Marshal.Copy((IntPtr)outputPtr, decomp, 0, decomp.Length);
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return decomp;
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}
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}
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public static unsafe void Decompress(byte* output, byte* input, uint decompressedLength)
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{
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}
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}
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//Mario Tennis Aces Custom compression
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public class MTA_CUSTOM
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{
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[DllImport("Lib/LibTennis64.dll", CallingConvention = CallingConvention.Cdecl)]
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static extern void DecompressBuffer(IntPtr output, IntPtr input, uint len);
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public unsafe byte[] Decompress(byte[] input, uint decompressedLength)
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{
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fixed (byte* outputPtr = new byte[decompressedLength])
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{
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fixed (byte* inputPtr = input)
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{
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if (Environment.Is64BitProcess)
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DecompressBuffer((IntPtr)outputPtr, (IntPtr)inputPtr, decompressedLength);
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else
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MarioTennisCmp32.DecompressBuffer((IntPtr)outputPtr, (IntPtr)inputPtr, decompressedLength);
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}
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byte[] decomp = new byte[decompressedLength];
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Marshal.Copy((IntPtr)outputPtr, decomp, 0, decomp.Length);
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return decomp;
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}
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}
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//Thanks Simon. Code ported from
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//https://github.com/simontime/MarioTennisAces0x50Decompressor/blob/master/decompress.c
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public unsafe void Decompress(byte* output, byte* input, uint decompressedLength)
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{
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uint pos = 8;
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byte* end = input + decompressedLength;
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byte* data = input + pos;
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Console.WriteLine($"decompressedLength " + decompressedLength);
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Console.WriteLine($"pos " + pos);
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if (pos < decompressedLength)
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{
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uint flag;
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while (true)
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{
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flag = 0xFF000000 * data[0];
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if (flag != 0)
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break;
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data++;
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for (int i = 0; i < 8; i++)
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*output++ = *data++;
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CheckFinished(ref data, ref end);
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}
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flag |= 0x800000;
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data++;
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Console.WriteLine($"flag " + flag);
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//IterateFlag
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while ((flag & 0x80000000) == 0)
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{
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flag <<= 1;
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*output++ = *data++;
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}
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Console.WriteLine($"Pass 3 ");
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while (true)
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{
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flag <<= 1;
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if (flag == 0)
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CheckFinished(ref data, ref end);
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int op_ofs = (data[0] >> 4) | (data[1] << 4);
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int op_len = data[0] & 0xF;
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if (op_ofs == 0)
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return;
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byte* chunk = output - op_ofs;
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if (op_len > 1)
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data += 2;
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else
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{
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int op_len_ext = data[2] + (op_len | 0x10);
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if (op_len == 1)
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{
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int add_len = (data[3] << 8) | 0xFF;
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data += 4;
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op_len = op_len_ext + add_len;
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if (op_ofs >= 2)
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Loop1(ref flag, ref op_len, ref chunk, ref data, ref output);
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}
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else
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{
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data += 3;
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op_len = op_len_ext;
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if (op_ofs >= 2)
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{
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Loop1(ref flag, ref op_len, ref chunk, ref data, ref output);
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}
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}
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}
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Loop2(ref flag, ref op_len, ref data, ref output, ref chunk);
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}
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}
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EndOperation(ref data, ref end);
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}
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unsafe void Loop1(ref uint flag, ref int op_len, ref byte* chunk, ref byte* data, ref byte* output)
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{
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if ((((byte)*chunk ^ (byte)*output) & 1) == 0)
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{
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if (((byte)*chunk & 1) != 0)
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{
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*output++ = *chunk++;
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op_len--;
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}
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uint op_len_sub = (uint)op_len - 2;
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if (op_len >= 2)
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{
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int masked_len = (((int)op_len_sub >> 1) + 1) & 7;
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byte* out_ptr = output;
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byte* chunk_ptr = chunk;
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if (masked_len != 0)
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{
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while (masked_len-- != 0)
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{
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*out_ptr++ = *chunk_ptr++;
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*out_ptr++ = *chunk_ptr++;
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op_len -= 2;
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}
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}
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uint masked_ext_len = op_len_sub & 0xFFFFFFFE;
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if (op_len_sub >= 0xE)
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{
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do
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{
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for (int i = 0; i < 0x10; i++)
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*out_ptr++ = *chunk_ptr++;
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op_len -= 0x10;
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}
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while (op_len > 1);
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}
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output += masked_ext_len + 2;
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op_len = (int)op_len_sub - (int)masked_ext_len;
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chunk += masked_ext_len + 2;
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}
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if (op_len == 0)
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{
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if ((flag & 0x80000000) == 0)
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{
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flag <<= 1;
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*output++ = *data++;
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}
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}
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}
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Loop2(ref flag, ref op_len, ref data, ref output, ref chunk);
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}
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unsafe void Loop2(ref uint flag, ref int op_len, ref byte* data, ref byte* output, ref byte* chunk)
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{
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int masked_len = op_len & 7;
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byte* out_ptr = output;
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byte* chunk_ptr = chunk;
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if (masked_len != 0)
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{
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while (masked_len-- != 0)
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*out_ptr++ = *chunk_ptr++;
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}
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if (op_len - 1 >= 7)
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{
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do
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{
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for (int i = 0; i < 8; i++)
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*out_ptr++ = *chunk_ptr++;
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}
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while (chunk_ptr != chunk + op_len);
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}
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output += op_len;
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if ((flag & 0x80000000) == 0)
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{
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flag <<= 1;
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*output++ = *data++;
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}
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}
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unsafe void CheckFinished(ref byte* data, ref byte* end)
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{
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if (data >= end)
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EndOperation(ref data, ref end);
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}
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unsafe void EndOperation(ref byte* data, ref byte* end)
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{
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byte* ext = end + 0x20;
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if (data < ext)
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do
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*end-- = *--ext;
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while (data < ext);
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}
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}
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public class LZSS
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{
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static class LzssParameters
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{
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/// <summary>Size of the ring buffer.</summary>
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public const int N = 4096;
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/// <summary>Maximum match length for position coding. (0x0F + THRESHOLD).</summary>
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public const int F = 18;
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/// <summary>Minimum match length for position coding.</summary>
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public const int THRESHOLD = 3;
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/// <summary>Index for root of binary search trees.</summary>
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public const int NIL = N;
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/// <summary>Character used to fill the ring buffer initially.</summary>
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//private const ubyte BUFF_INIT = ' ';
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public const byte BUFF_INIT = 0; // Changed for F-Zero GX
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}
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public static byte[] Decompress(byte[] input, uint decompressedLength)
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{
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List<byte> output = new List<byte>();
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byte[] ringBuf = new byte[LzssParameters.N];
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int inputPos = 0, ringBufPos = LzssParameters.N - LzssParameters.F;
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ushort flags = 0;
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// Clear ringBuf with a character that will appear often
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for (int i = 0; i < LzssParameters.N - LzssParameters.F; i++)
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ringBuf[i] = LzssParameters.BUFF_INIT;
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while (inputPos < input.Length)
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{
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// Use 16 bits cleverly to count to 8.
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// (After 8 shifts, the high bits will be cleared).
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if ((flags & 0xFF00) == 0)
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flags = (ushort)(input[inputPos++] | 0x8000);
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if ((flags & 1) == 1)
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{
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// Copy data literally from input
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byte c = input[inputPos++];
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output.Add(c);
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ringBuf[ringBufPos++ % LzssParameters.N] = c;
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}
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else
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{
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// Copy data from the ring buffer (previous data).
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int index = ((input[inputPos + 1] & 0xF0) << 4) | input[inputPos];
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int count = (input[inputPos + 1] & 0x0F) + LzssParameters.THRESHOLD;
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inputPos += 2;
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for (int i = 0; i < count; i++)
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{
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byte c = ringBuf[(index + i) % LzssParameters.N];
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output.Add(c);
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ringBuf[ringBufPos++ % LzssParameters.N] = c;
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}
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}
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// Advance flags & count bits
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flags >>= 1;
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}
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return output.ToArray();
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}
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}
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public class LZ77
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{
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/// <summary>
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/// Decompresses LZ77-compressed data from the given input stream.
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/// </summary>
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/// <param name="input">The input stream to read from.</param>
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/// <returns>The decompressed data.</returns>
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public static byte[] Decompress(byte[] input)
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{
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BinaryReader reader = new BinaryReader(new MemoryStream(input));
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|
|
// Check LZ77 type.
|
|
// if (reader.ReadByte() != 0x10)
|
|
// throw new System.Exception("Input stream does not contain LZ77-compressed data.");
|
|
|
|
// Read the size.
|
|
int size = reader.ReadUInt16() | (reader.ReadByte() << 16);
|
|
|
|
// Create output stream.
|
|
MemoryStream output = new MemoryStream(size);
|
|
|
|
// Begin decompression.
|
|
while (output.Length < size)
|
|
{
|
|
// Load flags for the next 8 blocks.
|
|
int flagByte = reader.ReadByte();
|
|
|
|
// Process the next 8 blocks.
|
|
for (int i = 0; i < 8; i++)
|
|
{
|
|
// Check if the block is compressed.
|
|
if ((flagByte & (0x80 >> i)) == 0)
|
|
{
|
|
// Uncompressed block; copy single byte.
|
|
output.WriteByte(reader.ReadByte());
|
|
}
|
|
else
|
|
{
|
|
// Compressed block; read block.
|
|
ushort block = reader.ReadUInt16();
|
|
// Get byte count.
|
|
int count = ((block >> 4) & 0xF) + 3;
|
|
// Get displacement.
|
|
int disp = ((block & 0xF) << 8) | ((block >> 8) & 0xFF);
|
|
|
|
// Save current position and copying position.
|
|
long outPos = output.Position;
|
|
long copyPos = output.Position - disp - 1;
|
|
|
|
// Copy all bytes.
|
|
for (int j = 0; j < count; j++)
|
|
{
|
|
// Read byte to be copied.
|
|
output.Position = copyPos++;
|
|
byte b = (byte)output.ReadByte();
|
|
|
|
// Write byte to be copied.
|
|
output.Position = outPos++;
|
|
output.WriteByte(b);
|
|
}
|
|
}
|
|
|
|
// If all data has been decompressed, stop.
|
|
if (output.Length >= size)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
output.Position = 0;
|
|
return output.ToArray();
|
|
}
|
|
}
|
|
|
|
public class GZIP
|
|
{
|
|
public static byte[] Decompress(byte[] b)
|
|
{
|
|
using (MemoryStream mem = new MemoryStream())
|
|
{
|
|
using (GZipStream source = new GZipStream(new MemoryStream(b), CompressionMode.Decompress, false))
|
|
{
|
|
source.CopyTo(mem);
|
|
}
|
|
return mem.ToArray();
|
|
}
|
|
}
|
|
|
|
public static byte[] Compress(byte[] b)
|
|
{
|
|
using (MemoryStream mem = new MemoryStream())
|
|
{
|
|
using (GZipStream gzip = new GZipStream(mem,
|
|
CompressionMode.Compress))
|
|
{
|
|
gzip.Write(b, 0, b.Length);
|
|
}
|
|
return mem.ToArray();
|
|
}
|
|
}
|
|
}
|
|
|
|
public class Type_LZ4F
|
|
{
|
|
public static byte[] Decompress(byte[] data)
|
|
{
|
|
using (MemoryStream mem = new MemoryStream())
|
|
{
|
|
using (var source = LZ4Stream.Decode(new MemoryStream(data)))
|
|
{
|
|
source.CopyTo(mem);
|
|
}
|
|
return mem.ToArray();
|
|
}
|
|
}
|
|
public static byte[] Compress(byte[] data)
|
|
{
|
|
var stream = new MemoryStream();
|
|
using (var writer = new FileWriter(stream))
|
|
{
|
|
writer.Write(data.Length);
|
|
byte[] buffer = LZ4.Frame.LZ4Frame.Compress(new MemoryStream(data),
|
|
LZ4.Frame.LZ4MaxBlockSize.MB1, true, true, false, true, false);
|
|
|
|
writer.Write(buffer, 0, buffer.Length);
|
|
}
|
|
return stream.ToArray();
|
|
}
|
|
}
|
|
public class Type_LZ4
|
|
{
|
|
public static byte[] Decompress(byte[] data, int inputOffset, int InputLength, int decompressedSize)
|
|
{
|
|
return LZ4.LZ4Codec.Decode(data, inputOffset, InputLength, decompressedSize);
|
|
}
|
|
public static byte[] Decompress(byte[] data)
|
|
{
|
|
using (MemoryStream mem = new MemoryStream())
|
|
{
|
|
using (var source = LZ4Stream.Decode(new MemoryStream(data)))
|
|
{
|
|
source.CopyTo(mem);
|
|
mem.Write(data, 0, data.Length);
|
|
}
|
|
return mem.ToArray();
|
|
}
|
|
}
|
|
public static byte[] Compress(byte[] data, int inputOffset = 0)
|
|
{
|
|
return LZ4.LZ4Codec.Encode(data, inputOffset, data.Length);
|
|
}
|
|
}
|
|
|
|
public class Type_Oodle
|
|
{
|
|
public static byte[] Decompress(byte[] data, int decompressedSize)
|
|
{
|
|
return Toolbox.Library.Compression.Oodle.Decompress(data, decompressedSize);
|
|
}
|
|
|
|
public static byte[] Compress(byte[] source, Compression.Oodle.OodleLZ_Compressor compressor, Compression.Oodle.OodleLZ_CompressionLevel level)
|
|
{
|
|
return Toolbox.Library.Compression.Oodle.Compress(source, compressor, level);
|
|
}
|
|
}
|
|
}
|
|
}
|