68 lines
2.1 KiB
C#
68 lines
2.1 KiB
C#
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//Written for Anachronox. https://store.steampowered.com/app/242940/
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.IO.Compression;
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namespace Anachronox_Extractor
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{
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class Program
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{
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static BinaryReader br;
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static void Main(string[] args)
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{
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br = new(File.OpenRead(args[0]));
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if (new string(br.ReadChars(4)) != "ADAT")
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throw new Exception("Not a Anachronox dat file.");
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int fileTable = br.ReadInt32();
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br.ReadInt32();
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br.ReadInt32();
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br.BaseStream.Position = fileTable;
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List<Subfile> subfiles = new();
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while(br.BaseStream.Position < br.BaseStream.Length)
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{
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subfiles.Add(new());
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}
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foreach (Subfile sub in subfiles)
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{
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Extract(sub, Path.GetDirectoryName(args[0]) + "//" + Path.GetFileNameWithoutExtension(args[0]) + "//");
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}
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}
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static void Extract(Subfile sub, string path)
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{
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br.BaseStream.Position = sub.start;
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if (sub.sizeCompressed == 0)
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{
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Directory.CreateDirectory(path + Path.GetDirectoryName(sub.name));
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using FileStream FS = File.Create(path + sub.name);
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BinaryWriter bw = new(FS);
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bw.Write(br.ReadBytes(sub.sizeUncompressed));
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bw.Close();
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}
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else
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{
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br.ReadInt16();
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Directory.CreateDirectory(path + Path.GetDirectoryName(sub.name));
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using var ds = new DeflateStream(new MemoryStream(br.ReadBytes(sub.sizeCompressed - 2)), CompressionMode.Decompress);
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ds.CopyTo(File.Create(path + sub.name));
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}
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}
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class Subfile
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{
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public string name = new string(br.ReadChars(0x80)).TrimEnd((char)0x00);
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public int start = br.ReadInt32();
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public int sizeUncompressed = br.ReadInt32();
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public int sizeCompressed = br.ReadInt32();
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public float unknown = br.ReadSingle();
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}
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}
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}
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