78 lines
2.1 KiB
Python
78 lines
2.1 KiB
Python
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import zlib
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import os
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import Utils
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from Patch import APDeltaPatch
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NA10CHECKSUM = 'D7AE93DF'
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ROM_PLAYER_LIMIT = 65535
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ROM_NAME = 0x10
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bit_positions = [0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80]
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candle_shop = bit_positions[5]
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arrow_shop = bit_positions[4]
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potion_shop = bit_positions[1]
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shield_shop = bit_positions[6]
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ring_shop = bit_positions[7]
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take_any = bit_positions[2]
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first_quest_dungeon_items_early = 0x18910
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first_quest_dungeon_items_late = 0x18C10
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game_mode = 0x12
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sword = 0x0657
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bombs = 0x0658
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arrow = 0x0659
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bow = 0x065A
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candle = 0x065B
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recorder = 0x065C
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food = 0x065D
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potion = 0x065E
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magical_rod = 0x065F
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raft = 0x0660
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book_of_magic = 0x0661
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ring = 0x0662
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stepladder = 0x0663
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magical_key = 0x0664
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power_bracelet = 0x0665
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letter = 0x0666
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heart_containers = 0x066F
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triforce_fragments = 0x0671
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boomerang = 0x0674
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magical_boomerang = 0x0675
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magical_shield = 0x0676
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rupees_to_add = 0x067D
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class TLoZDeltaPatch(APDeltaPatch):
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checksum = NA10CHECKSUM
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hash = NA10CHECKSUM
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game = "The Legend of Zelda"
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patch_file_ending = ".aptloz"
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result_file_ending = ".nes"
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@classmethod
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def get_source_data(cls) -> bytes:
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return get_base_rom_bytes()
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def get_base_rom_bytes(file_name: str = "") -> bytes:
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base_rom_bytes = getattr(get_base_rom_bytes, "base_rom_bytes", None)
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if not base_rom_bytes:
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file_name = get_base_rom_path(file_name)
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base_rom_bytes = bytes(Utils.read_snes_rom(open(file_name, "rb")))
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basechecksum = str(hex(zlib.crc32(base_rom_bytes))).upper()[2:]
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if NA10CHECKSUM != basechecksum:
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raise Exception('Supplied Base Rom does not match known CRC-32 for NA (1.0) release. '
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'Get the correct game and version, then dump it')
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get_base_rom_bytes.base_rom_bytes = base_rom_bytes
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return base_rom_bytes
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def get_base_rom_path(file_name: str = "") -> str:
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options = Utils.get_options()
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if not file_name:
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file_name = options["tloz_options"]["rom_file"]
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if not os.path.exists(file_name):
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file_name = Utils.local_path(file_name)
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return file_name
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