Extract files from archives found in Mario & Luigi: Dream Team. Likely SUPER finecky!!!

DreamTeamExtract.py

import os

# <MAKE SURE THIS SCRIPT ISNT EXTRACTING TOO MANY FILES, IT DOESNT CHECK TO SEE IF THE DATA IT IS READING IS VALID OR NOT>

# EDIT THESE THREE PATHS AS NEEDED
code_bin_path = "./code.bin"
archive_path = "./BMap/BMap.dat"
extract_dir = "./BMap/extract"
# EDIT THESE THREE PATHS AS NEEDED

# HEX OFFSET
# FROM https://www.tapatalk.com/groups/lighthouse_of_yoshi/hexadecimals-t618.html
hex = "00552748"
# HEX OFFSET

tbl_offset = int(hex, 16)

os.makedirs(extract_dir, exist_ok=True)

code_bin = open(code_bin_path, "rb")

code_bin.seek(tbl_offset + 0x2, 1)
file_count = int.from_bytes(code_bin.read(2), "little")
code_bin.seek(0xC, 1)

print("File count: " + str(file_count))

archive = open(archive_path, "rb")

for i in range(file_count):
    start = int.from_bytes(code_bin.read(4), "little")
    length_raw = code_bin.read(4)

    while start == 0x00000000 and length_raw == 0x3FFFFFFF:
        start = int.from_bytes(code_bin.read(4), "little")
        length_raw = code_bin.read(4)
    
    length = int.from_bytes(length_raw, "little")

    length = length % 0x40000000

    archive.seek(start)

    with open(extract_dir + "/" + str(f"{i:04d}") + ".bin", "wb") as f:
        f.write(archive.read(length))

archive.close()
code_bin.close()