54 lines
1.5 KiB
C#
54 lines
1.5 KiB
C#
//Written for ASURA. https://store.steampowered.com/app/2293900/
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using System.IO.Compression;
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FileStream input = File.OpenRead(args[0]);
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BinaryReader br = new(input);
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if (new string(br.ReadChars(7)) != "D-PACK2")
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throw new Exception("Not a ASURA dat file.");
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br.ReadByte();
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int fileCount = br.ReadInt32();
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int size = br.ReadInt32();
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List<SUBFILE> subfiles = [];
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for (int i = 0; i < fileCount; i++)
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{
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subfiles.Add(new()
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{
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unknown = br.ReadSingle(),
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start = br.ReadInt32(),
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sizeUncompressed = br.ReadInt32(),
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sizeCompressed = br.ReadInt32(),
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name = i
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});
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}
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Directory.CreateDirectory(Path.GetDirectoryName(args[0]) + "\\" + Path.GetFileNameWithoutExtension(args[0]));
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foreach (SUBFILE subfile in subfiles)
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{
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br.BaseStream.Position = subfile.start;
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using FileStream FS = File.Create(Path.GetDirectoryName(args[0]) + "\\" + Path.GetFileNameWithoutExtension(args[0]) + "\\" + subfile.name);
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BinaryWriter bw = new(FS);
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MemoryStream ms = new();
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br.ReadInt16();
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using (var ds = new DeflateStream(new MemoryStream(br.ReadBytes(subfile.sizeCompressed - 2)), CompressionMode.Decompress))
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ds.CopyTo(ms);
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br = new(ms);
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br.BaseStream.Position = 0;
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bw.Write(br.ReadBytes(subfile.sizeUncompressed));
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bw.Close();
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br = new(input);
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}
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class SUBFILE
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{
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public float unknown;
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public int start;
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public int sizeUncompressed;
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public int sizeCompressed;
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public int name;
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}
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