def find_model_files(romfs_root, extensions): """Scan for known model extensions""" models = [] for root, _, files in os.walk(romfs_root): for f in files: if any(f.lower().endswith(ext) for ext in extensions): models.append(os.path.join(root, f)) return models
if == " main ": # Step-by-step decrypt_cia("game.cia", "decrypted/", "keys.txt") extract_romfs("decrypted/00000000.app", "romfs/") models = find_model_files("romfs/", [".bch", ".cgb", ".dae", ".obj"]) for idx, m in enumerate(models): convert_to_3ds(m, f"output/model_{idx}.3ds") cia to 3ds file converter
import os import subprocess import shutil def decrypt_cia(cia_path, output_dir, keys_path): """Decrypt CIA to extractable parts using ctrtool""" subprocess.run([ "ctrtool", "--keyset=" + keys_path, "--content=.", cia_path ], cwd=output_dir, check=True) "romfs/") models = find_model_files("romfs/"