0c126e4155
Rewrote the compression handling from scatch. It's way easier and cleaner to add new formats code wise as it's handled like file formats. Added wip TVOL support (Touhou Azure Reflections) Added XCI support. Note I plan to improve NSP, XCI, NCA, etc later for exefs exporting. The compression rework now compresses via streams, so files get decompressed properly within archives as streams. Added hyrule warriors bin.gz compression along with archive rebuilding. Note i do not have texture rebuilding done just yet.
698 lines
25 KiB
C#
698 lines
25 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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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.ByteOrder = Syroot.BinaryData.ByteOrder.BigEndian;
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reader.Position = 0;
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uint chunkSize = reader.ReadUInt32();
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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)
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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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reader.ByteOrder = Syroot.BinaryData.ByteOrder.BigEndian;
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try
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{
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uint chunkSize = reader.ReadUInt32();
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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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//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)
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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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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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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/LibTennis32.dll", CallingConvention = CallingConvention.Cdecl)]
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static extern void DecompressBuffer32(IntPtr output, IntPtr input, uint len);
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[DllImport("Lib/LibTennis64.dll", CallingConvention = CallingConvention.Cdecl)]
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static extern void DecompressBuffer64(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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DecompressBuffer64((IntPtr)outputPtr, (IntPtr)inputPtr, decompressedLength);
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else
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DecompressBuffer32((IntPtr)outputPtr, (IntPtr)inputPtr, decompressedLength);
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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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//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.
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// if (reader.ReadByte() != 0x10)
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// throw new System.Exception("Input stream does not contain LZ77-compressed data.");
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// Read the size.
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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);
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|