new_crc = zlib.crc32(modified) & 0xFFFFFFFF recompressed = zlib.compress(modified) reencrypted = bytes([recompressed[i] ^ key[i % len(key)] for i in range(len(recompressed))]) with open(filepath, 'wb') as f: f.write(header[:0x0C] + struct.pack('<I', new_crc) + reencrypted)
Using a Bus Simulator Ultimate save file is relatively straightforward. Here are the steps: bus simulator ultimate save file
Understanding BSU’s save system is critical for: new_crc = zlib