Extract Fatal Frame ContentFile.scc

scc_extract.py

import struct
import pathlib


def fatal(msg):
    print(msg)
    from sys import exit

    exit(2)


def read_str(f):
    str_length, *_ = struct.unpack("B", f.read(1))
    return f.read(str_length).decode()


with open("ContentFile.scc", "rb") as f:
    header_str = read_str(f)
    print("Header:", header_str)
    if header_str != "scc":
        fatal("oops wrong file?")

    *_, entry_count = struct.unpack("<HI", f.read(6))
    print("Entries", entry_count)

    entry_headers = []
    dirs_seen = set()

    for entry_idx in range(entry_count):
        entry_file_path = read_str(f)
        content_str = read_str(f)
        entry_length, *_ = struct.unpack("<II", f.read(8))
        print(entry_file_path, content_str, entry_length)
        entry_headers.append((entry_file_path, content_str, entry_length))

    for entry_file_path, content_str, entry_length in entry_headers:
        print("Entry Data:", entry_file_path, content_str)
        something = struct.unpack("<I", f.read(4))[0]
        file_buf = f.read(entry_length)

        file_dir = "/".join(entry_file_path.split("/")[:-1])
        out_dir = "out"

        file_out_dir = "{}/{}".format(out_dir, file_dir)
        file_out_path = "{}/{}.xnb".format(out_dir, entry_file_path)

        if file_out_dir not in dirs_seen:
            print("Creating directory (if not exists):", file_out_dir)
            pathlib.Path(file_out_dir).mkdir(parents=True, exist_ok=True)
            dirs_seen.add(file_out_dir)

        with open(file_out_path, "wb") as fout:
            fout.write(file_buf)