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Code Issues Releases Activity

upgrade to net9

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bird_egop
2025-08-18 22:05:17 +03:00
parent ee77738713
commit 476017e9c1
19 changed files with 104 additions and 171 deletions
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37
NLUnpacker/Program.cs
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@@ -1,7 +1,40 @@
using System.Buffers.Binary;
using System.Buffers.Binary;
using System.Text;
var fileBytes = File.ReadAllBytes("C:\\Program Files (x86)\\Nikita\\Iron Strategy\\gamefont.rlb");
var fileBytes = File.ReadAllBytes("C:\\Program Files (x86)\\Nikita\\Iron Strategy\\gamefont-1.rlb");
var header = fileBytes.AsSpan().Slice(0, 32);
var nlHeaderBytes = header.Slice(0, 2);
var mustBeZero = header[2];
var mustBeOne = header[3];
var numberOfEntriesBytes = header.Slice(4, 2);
var sortingFlagBytes = header.Slice(14, 2);
var decryptionKeyBytes = header.Slice(20, 2);
var numberOfEntries = BinaryPrimitives.ReadInt16LittleEndian(numberOfEntriesBytes);
var sortingFlag = BinaryPrimitives.ReadInt16LittleEndian(sortingFlagBytes);
var decryptionKey = BinaryPrimitives.ReadInt16LittleEndian(decryptionKeyBytes);
var headerSize = numberOfEntries * 32;
var decryptedHeader = new byte[headerSize];
var keyLow = decryptionKeyBytes[0];
var keyHigh = decryptionKeyBytes[1];
for (var i = 0; i < headerSize; i++)
{
byte tmp = (byte)((keyLow << 1) ^ keyHigh);
keyLow = tmp;
keyHigh = (byte)((keyHigh >> 1) ^ tmp);
decryptedHeader[i] = (byte)(fileBytes[32 + i] ^ tmp);
}
var decryptedHeaderString = Encoding.ASCII.GetString(decryptedHeader, 0, headerSize);
var entries = decryptedHeader.Chunk(32).ToArray();
var entriesStrings = entries.Select(x => Encoding.ASCII.GetString(x, 0, x.Length)).ToArray();
File.WriteAllBytes("export.nl", decryptedHeader);
var fileCount = BinaryPrimitives.ReadInt16LittleEndian(fileBytes.AsSpan().Slice(4, 2));
var decodedHeader = new byte[fileCount * 32];