116 lines
3.4 KiB
Python
116 lines
3.4 KiB
Python
import os
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import subprocess
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import sys
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import typing
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import functools
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import hashlib
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from asar import init as asar_init, close as asar_close, patch as asar_patch, geterrors as asar_errors
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from yaml import load, dump
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JAP10HASH = '03a63945398191337e896e5771f77173'
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try:
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from yaml import CLoader as Loader
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except ImportError:
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from yaml import Loader
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import xml.etree.ElementTree as ET
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def int16_as_bytes(value):
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value = value & 0xFFFF
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return [value & 0xFF, (value >> 8) & 0xFF]
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def int32_as_bytes(value):
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value = value & 0xFFFFFFFF
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return [value & 0xFF, (value >> 8) & 0xFF, (value >> 16) & 0xFF, (value >> 24) & 0xFF]
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def is_bundled():
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return getattr(sys, 'frozen', False)
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def local_path(path):
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if local_path.cached_path:
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return os.path.join(local_path.cached_path, path)
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elif is_bundled():
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if hasattr(sys, "_MEIPASS"):
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# we are running in a PyInstaller bundle
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local_path.cached_path = sys._MEIPASS # pylint: disable=protected-access,no-member
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else:
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# cx_Freeze
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local_path.cached_path = os.path.dirname(os.path.abspath(sys.argv[0]))
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else:
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# we are running in a normal Python environment
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import __main__
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local_path.cached_path = os.path.dirname(os.path.abspath(__main__.__file__))
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return os.path.join(local_path.cached_path, path)
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local_path.cached_path = None
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def make_new_base2current(old_rom_data, new_rom_data):
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from collections import OrderedDict
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import json
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# extend to 2 mb
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old_rom_data.extend(bytearray([0x00]) * (2097152 - len(old_rom_data)))
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out_data = OrderedDict()
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for idx, old in enumerate(old_rom_data):
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new = new_rom_data[idx]
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if old != new:
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out_data[idx] = [int(new)]
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for offset in reversed(list(out_data.keys())):
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if offset - 1 in out_data:
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out_data[offset-1].extend(out_data.pop(offset))
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with open('../base2current.json', 'wt') as outfile:
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json.dump([{key: value} for key, value in out_data.items()], outfile, separators=(",", ":"))
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basemd5 = hashlib.md5()
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basemd5.update(new_rom_data)
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return "New Rom Hash: " + basemd5.hexdigest()
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if __name__ == '__main__':
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try:
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asar_init()
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print("Asar DLL initialized")
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print("Opening Base rom")
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with open('../alttp.sfc', 'rb') as stream:
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old_rom_data = bytearray(stream.read())
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if len(old_rom_data) % 0x400 == 0x200:
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old_rom_data = old_rom_data[0x200:]
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basemd5 = hashlib.md5()
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basemd5.update(old_rom_data)
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if JAP10HASH != basemd5.hexdigest():
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raise Exception("Base rom is not 'Zelda no Densetsu - Kamigami no Triforce (J) (V1.0)'")
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print("Patching Base Rom")
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result, new_rom_data = asar_patch('LTTP_RND_GeneralBugfixes.asm', old_rom_data)
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if result:
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with open('../working.sfc', 'wb') as stream:
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stream.write(new_rom_data)
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print("Success\n")
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print(make_new_base2current(old_rom_data, new_rom_data))
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else:
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errors = asar_errors()
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print("\nErrors: " + str(len(errors)))
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for error in errors:
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print (error)
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asar_close()
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except:
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import traceback
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traceback.print_exc()
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input("Press enter to close")
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