[PS2] Hana to Otome ni Shukufuku o: Harukaze no Okurimono | extractor

extract_hana_to_otome.py

#!/usr/bin/env python3
import re
import pathlib
from struct import unpack

pathlib.Path('./EXTRACTED').mkdir(exist_ok=True) 

with open("SLPM_552.63", "rb") as f:
    bexe = f.read()

max_offset = 1736953856
files = []
prev_offset = -1
offset = 0
index = 0
while offset * 2048 < max_offset and offset >= prev_offset:
    prev_offset = offset
    offset = unpack('<i', bexe[0x24B5D0+index+0:0x24B5D0+index+4])[0]
    size   = unpack('<i', bexe[0x24B5D0+index+4:0x24B5D0+index+8])[0]
    index += 8
    files.append((offset,size))
del files[-1]


with open("cd.bin", "rb") as f:
    b = f.read()

for offset, size in files:
    with open(f"./EXTRACTED/file{offset:010}.bin", "wb") as f:
        f.write(b[offset * 2048:offset * 2048 + size])