| Offset | Size (bytes) | Description | |--------|--------------|-------------------------------------| | 0x00 | 4 | Magic header (e.g., SAF\0 ) | | 0x04 | 4 | Version (e.g., 1, 2) | | 0x08 | 4 | Number of files | | 0x0C | 4 | TOC offset / string table offset | | ... | variable | Per-file entries: filename (hash or string offset), offset in archive, packed size, unpacked size, CRC32 | | Footer | variable | Optional directory structure |
import struct, zlib def extract_saf(path): with open(path, 'rb') as f: magic, ver, files = struct.unpack('<4sII', f.read(12)) if magic != b'SAF\0': return # read file entries (simplified) for i in range(files): name_hash, offset, psize, usize = struct.unpack('<IIII', f.read(16)) f.seek(offset) comp = f.read(psize) data = zlib.decompress(comp) if psize != usize else comp # save data... shaiya data file tool