78 lines
2.7 KiB
C#
78 lines
2.7 KiB
C#
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//Written for Ragnarok Online 2. https://store.steampowered.com/app/231060
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using System.IO;
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using System.IO.Compression;
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using System.Collections.Generic;
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namespace Ragnarok_Online_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 string path;
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static void Main(string[] args)
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{
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br = new BinaryReader(File.OpenRead(args[0]));
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if (new string(br.ReadChars(8)) != "VDISK1.1")
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throw new System.Exception("Not a Ragnarok Online VDK file.");
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path = Path.GetDirectoryName(args[0]) + "\\";
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int unknown1 = br.ReadInt32();
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int fileCount = br.ReadInt32();
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int folderCount = br.ReadInt32();
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int tableStart = br.ReadInt32() + 145;
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int unknown2 = br.ReadInt32();
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br.BaseStream.Position = tableStart;
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List<TableEntry> table = Table();
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foreach (TableEntry file in table)
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{
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br.BaseStream.Position = file.start;
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Subfile(file.name);
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}
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}
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static List<TableEntry> Table()
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{
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int count = br.ReadInt32();
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List<TableEntry> table = new();
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for (int i = 0; i < count; i++)
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table.Add(new());
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return table;
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}
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public class TableEntry
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{
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public string name = new string(br.ReadChars(260)).TrimEnd('\0');
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public int start = br.ReadInt32();
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}
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static void Subfile(string fullName)
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{
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byte isFolder = br.ReadByte();
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string name = new string(br.ReadChars(128)).TrimEnd('\0');
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int sizeUncompressed = br.ReadInt32();
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int sizeCompressed = br.ReadInt32();
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int unknown1 = br.ReadInt32();
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int end = br.ReadInt32();
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Directory.CreateDirectory(path + Path.GetDirectoryName(fullName));//We already know the file path from table, so i don't need to understand the folder data.
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if (isFolder == 1)//This should never happen if we go directly to the file data position given in table, which is good, because i don't understand it.
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throw new System.Exception("Fuck!");
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FileStream fs = File.Create(path + fullName);
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if (sizeUncompressed == sizeCompressed)
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{
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BinaryWriter bw = new(fs);
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bw.Write(br.ReadBytes(sizeUncompressed));
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return;
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}
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br.ReadInt16();
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using (var ds = new DeflateStream(new MemoryStream(br.ReadBytes(sizeCompressed)), CompressionMode.Decompress))
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ds.CopyTo(fs);
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}
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}
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}
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