mirror of
https://github.com/sampletext32/ParkanPlayground.git
synced 2025-05-19 03:41:18 +03:00
93 lines
2.5 KiB
C#
93 lines
2.5 KiB
C#
using System.Buffers.Binary;
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using System.Runtime.CompilerServices;
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// ПОКА НЕ ПОНЯТНО КАК ОНО КОДИРУЕТСЯ
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// using var fs = new FileStream("gamefont.rlb", FileMode.Open, FileAccess.ReadWrite);
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//
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// int fileCount, c, i;
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// byte b, n;
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//
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// fs.Seek(4, SeekOrigin.Current);
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//
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// Span<byte> buf2 = stackalloc byte[2];
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// Span<byte> buf4 = stackalloc byte[4];
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//
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// fs.ReadExactly(buf2);
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//
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// fileCount = BinaryPrimitives.ReadInt16LittleEndian(buf2);
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//
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// fs.Seek(16 - 2, SeekOrigin.Current);
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//
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// b = (byte) fs.ReadByte();
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// c = (byte) fs.ReadByte();
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//
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// fs.Seek(12 - 2, SeekOrigin.Current);
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//
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// Span<byte> buf1 = stackalloc byte[1];
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//
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// if (32 * fileCount > 0)
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// {
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// for (i = 0; i < 32 * fileCount; ++i)
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// {
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// b = (byte) ((b * 2) ^ c);
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// n = (byte) c;
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// c = (int) ((n >> 1) ^ b);
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//
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// // Read, modify, and write the byte at the current position
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// byte originalByte = (byte) fs.ReadByte();
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// fs.Seek(-1, SeekOrigin.Current); // Move back one byte to overwrite it
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// buf1[0] = (byte) (originalByte ^ b);
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// fs.Write(buf1);
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// }
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// }
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int v40 = 0;
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var flags = 0;
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var file_bytes = File.ReadAllBytes("gamefont.rlb");
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var FileSize = file_bytes.Length;
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var file_bytes_copy = file_bytes;
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var v8 = flags;
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if ((flags & 2) != 0)
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{
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if (file_bytes[FileSize - 6] != 'A' && file_bytes[FileSize - 5] != 'O')
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throw new Exception("4");
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v40 = BinaryPrimitives.ReadInt32LittleEndian(
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file_bytes.Skip(FileSize - 4)
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.Take(4)
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.ToArray()
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);
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}
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if (file_bytes[0] != (byte)'N' || file_bytes[1] != (byte)'L' || file_bytes[2] != 0 || file_bytes[3] != 1)
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throw new Exception("4");
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var file_count = BinaryPrimitives.ReadInt16LittleEndian(
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file_bytes.Skip(4)
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.Take(2)
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.ToArray()
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);
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var file_count_copy = file_count;
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var section_mem_ptr = new byte[32 * file_count];
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var section_count = 0;
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var sixth_byte = file_bytes_copy[5];
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var sixth_byte_shifted_by_1_byte = file_bytes_copy[5] >> 8;
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if (32 * file_count > 0)
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{
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do
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{
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sixth_byte = (byte) (sixth_byte_shifted_by_1_byte ^ (2 * sixth_byte));
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sixth_byte_shifted_by_1_byte = sixth_byte ^ (sixth_byte_shifted_by_1_byte >> 1);
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section_mem_ptr[section_count] = (byte) (sixth_byte ^ file_bytes_copy[section_count + 32]);
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++section_count;
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} while (section_count < 32 * file_count);
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v8 = flags;
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}
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for (var i = 0; i < section_mem_ptr.Length; i++)
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{
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}
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File.WriteAllBytes("gamefont-dump.rlb", file_bytes); |