mirror of
https://github.com/KillzXGaming/Switch-Toolbox
synced 2024-11-30 00:10:36 +00:00
296 lines
10 KiB
C#
296 lines
10 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using Toolbox;
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using System.Windows.Forms;
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using Toolbox.Library;
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using Toolbox.Library.IO;
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using System.IO;
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using VGAudio.Utilities;
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namespace FirstPlugin
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{
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public class GFA : IArchiveFile, IFileFormat
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{
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public FileType FileType { get; set; } = FileType.Archive;
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public bool CanSave { get; set; }
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public string[] Description { get; set; } = new string[] { "Good Feel Archive" };
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public string[] Extension { get; set; } = new string[] { "*.gfa" };
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public string FileName { get; set; }
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public string FilePath { get; set; }
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public IFileInfo IFileInfo { get; set; }
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public bool CanAddFiles { get; set; }
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public bool CanRenameFiles { get; set; }
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public bool CanReplaceFiles { get; set; } = true;
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public bool CanDeleteFiles { get; set; }
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public bool Identify(System.IO.Stream stream)
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{
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using (var reader = new Toolbox.Library.IO.FileReader(stream, true))
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{
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return reader.CheckSignature(4, "GFAC");
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}
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}
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public Type[] Types
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{
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get
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{
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List<Type> types = new List<Type>();
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return types.ToArray();
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}
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}
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public List<FileEntry> files = new List<FileEntry>();
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public IEnumerable<ArchiveFileInfo> Files => files;
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public void ClearFiles() { files.Clear(); }
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private uint Unknown1;
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private uint Version;
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public void Load(System.IO.Stream stream)
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{
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using (var reader = new FileReader(stream))
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{
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reader.ByteOrder = Syroot.BinaryData.ByteOrder.LittleEndian;
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reader.ReadSignature(4, "GFAC");
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Unknown1 = reader.ReadUInt32();
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Version = reader.ReadUInt32();
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uint FileInfoOffset = reader.ReadUInt32();
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uint FileInfoSize = reader.ReadUInt32();
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uint DataOffset = reader.ReadUInt32();
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uint DataSize = reader.ReadUInt32();
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byte[] Padding = reader.ReadBytes(0x10); //Not sure
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reader.SeekBegin(FileInfoOffset);
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uint FileCount = reader.ReadUInt32();
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for (int i = 0; i < FileCount; i++)
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{
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var file = new FileEntry();
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file.Read(reader);
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files.Add(file);
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}
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reader.SeekBegin(DataOffset);
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reader.ReadSignature(4, "GFCP");
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uint VersionGFCP = reader.ReadUInt32();
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uint CompressionType = reader.ReadUInt32();
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uint DecompressedSize = reader.ReadUInt32();
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uint CompressedSize = reader.ReadUInt32();
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byte[] input = reader.ReadBytes((int)CompressedSize);
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if (CompressionType == 1) input = BPE.Decompress(input, DecompressedSize, CompressedSize);
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if (CompressionType == 2) input = LZ77_WII.Decompress(input);
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if (CompressionType == 3) input = LZ77_WII.Decompress(input); //same as 2
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using (var r = new FileReader(input))
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{
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for (int i = 0; i < FileCount; i++)
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{
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r.SeekBegin(files[i].Offset - DataOffset);
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files[i].FileData = r.ReadBytes((int)files[i].Size);
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}
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}
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}
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}
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public void Unload()
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{
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}
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public void Save(System.IO.Stream stream)
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{
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using (var writer = new FileWriter(stream, true))
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{
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writer.ByteOrder = Syroot.BinaryData.ByteOrder.LittleEndian;
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writer.WriteSignature("GFAC");
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writer.Write(Unknown1);
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writer.Write(Version);
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writer.Write(uint.MaxValue); //Info offset for later
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writer.Write(uint.MaxValue); //Info size for later
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writer.Write(uint.MaxValue); //Data offset for later
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writer.Write(uint.MaxValue); //Data size for later
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writer.Write(new byte[0x10]); //Padding
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writer.WriteUint32Offset(12); //Save info offset
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writer.Write(files.Count);
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/* //Save info
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for (int i = 0; i < files.Count; i++)
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files[i].Write(writer);
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//Save strings and offsets
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for (int i = 0; i < files.Count; i++)
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files[i].Write(writer);
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writer.Write(new uint[files.Count]); //Save space for offsets
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for (int i = 0; i < files.Count; i++)
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writer.Write(files[i].FileData.Length);
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*/
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}
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}
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private void Align(FileWriter writer, int alignment)
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{
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var startPos = writer.Position;
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long position = writer.Seek((-writer.Position % alignment + alignment) % alignment, System.IO.SeekOrigin.Current);
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writer.Seek(startPos, System.IO.SeekOrigin.Begin);
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while (writer.Position != position)
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{
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writer.Write((byte)0x30);
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}
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}
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public bool AddFile(ArchiveFileInfo archiveFileInfo)
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{
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return false;
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}
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public bool DeleteFile(ArchiveFileInfo archiveFileInfo)
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{
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return false;
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}
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public class FileEntry : ArchiveFileInfo
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{
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public uint Hash { get; set; }
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public uint Offset { get; set; }
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public uint Size { get; set; }
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public void Read(FileReader reader)
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{
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Hash = reader.ReadUInt32();
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FileName = GetName(reader);
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Size = reader.ReadUInt32();
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Offset = reader.ReadUInt32();
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}
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}
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private static string GetName(FileReader reader)
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{
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uint Offset = reader.ReadUInt32();
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using (reader.TemporarySeek(Offset & 0x00ffffff, System.IO.SeekOrigin.Begin))
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{
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return reader.ReadZeroTerminatedString();
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}
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}
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class BPE
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{
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//Decompiled from MasterF0X tool for BPE decompression
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static int index = 0;
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static bool end = false;
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public static byte[] Decompress(byte[] input, uint decompressedSize, uint cs)
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{
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char[] chArray1 = new char[16777215];
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char[] chArray2 = new char[16777215];
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char[] chArray3 = new char[16777215];
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var mem = new MemoryStream();
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BinaryWriter binaryWriter = new BinaryWriter(mem);
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label_26:
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int num1;
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int num2;
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while (index < input.Length)
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{
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if (end)
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{
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binaryWriter.Close();
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end = false;
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index = 0;
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num1 = 0;
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num2 = 0;
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return mem.ToArray();
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}
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for (int index = 0; index < 256; ++index)
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chArray1[index] = (char)index;
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int num3 = (int)getc(input, cs);
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int index1 = 0;
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while (true)
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{
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if (num3 > (int)sbyte.MaxValue)
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{
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index1 += num3 - (int)sbyte.MaxValue;
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num3 = 0;
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}
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if (index1 != 256)
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{
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int num4 = 0;
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while (num4 <= num3)
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{
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chArray1[index1] = getc(input, cs);
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if (index1 != (int)chArray1[index1])
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chArray2[index1] = getc(input, cs);
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++num4;
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++index1;
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}
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if (index1 != 256)
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num3 = (int)getc(input, cs);
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else
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break;
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}
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else
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break;
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}
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int num5 = 256 * (int)getc(input, cs) + (int)getc(input, cs);
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int num6 = 0;
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while (true)
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{
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int index2;
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if (num6 > 0)
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index2 = (int)chArray3[--num6];
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else if (num5-- != 0)
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index2 = (int)getc(input, cs);
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else
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goto label_26;
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if (index2 == (int)chArray1[index2])
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{
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binaryWriter.Write((byte)index2);
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}
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else
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{
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char[] chArray4 = chArray3;
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int index3 = num6;
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int num7 = index3 + 1;
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int num8 = (int)chArray2[index2];
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chArray4[index3] = (char)num8;
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char[] chArray5 = chArray3;
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int index4 = num7;
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num6 = index4 + 1;
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int num9 = (int)chArray1[index2];
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chArray5[index4] = (char)num9;
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}
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}
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}
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binaryWriter.Close();
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end = false;
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index = 0;
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num1 = 0;
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num2 = 0;
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return mem.ToArray();
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}
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static char getc(byte[] input, uint uncompS)
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{
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if (index >= uncompS)
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{
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end = true;
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return '0';
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}
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char ch = (char)input[index];
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++index;
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return ch;
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}
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}
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}
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}
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