69 lines
2.6 KiB
C#
69 lines
2.6 KiB
C#
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using System.IO;
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using System.IO.Compression;
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namespace Legends_of_Callasia_Extractor
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{
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class Program
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{
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static void Main(string[] args)
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{
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BinaryReader br = new(File.OpenRead(args[0]));
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if (new string(br.ReadChars(4)) != "CRAS")
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throw new System.Exception("This is not a Legends of Callasia arc file.");
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int version = br.ReadInt32();//1
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int fileCount = br.ReadInt32();
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int tableStart = br.ReadInt32();
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int tableSizeCompressed = br.ReadInt32();
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int tableSizeUncompressed = br.ReadInt32();
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int dataStart = br.ReadInt32();
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int dataSizeCompressed = br.ReadInt32();
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int dataSizeUncompressed = br.ReadInt32();
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br.BaseStream.Position = dataStart;
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MemoryStream fileData = new();
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BinaryWriter bw = new(fileData);
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bw.Write(br.ReadBytes(dataSizeCompressed));
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br.BaseStream.Position = tableStart;
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MemoryStream fileTable = new();
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br.ReadInt16();
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using (var ds = new DeflateStream(new MemoryStream(br.ReadBytes(tableSizeCompressed - 2)), CompressionMode.Decompress))
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ds.CopyTo(fileTable);
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br.Close();
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BinaryReader data = new(fileData);
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BinaryReader table = new(fileTable);
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table.BaseStream.Position = 0;
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string path = Path.GetDirectoryName(args[0]) + "\\" + Path.GetFileNameWithoutExtension(args[0]) + "\\";
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for (int i = 0; i < fileCount; i++)
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{
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string name = new string(table.ReadChars(256)).TrimEnd('\0');
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int start = table.ReadInt32() - dataStart;
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int sizeCompressed = table.ReadInt32();
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table.ReadInt32();
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int sizeUncompressed = table.ReadInt32();
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int isCompressed = table.ReadInt32();
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data.BaseStream.Position = start;
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Directory.CreateDirectory(path + Path.GetDirectoryName(name));
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if (isCompressed == 1)
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{
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data.ReadInt16();
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using (var ds = new DeflateStream(new MemoryStream(data.ReadBytes(sizeCompressed - 2)), CompressionMode.Decompress))
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ds.CopyTo(File.Create(path + name));
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}
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else if (isCompressed == 2)
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{
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bw = new(File.Create(path + name));
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bw.Write(data.ReadBytes(sizeUncompressed));
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bw.Close();
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}
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}
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}
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}
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}
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