234 lines
12 KiB
Python
234 lines
12 KiB
Python
from Regions import location_addresses, crystal_locations, dungeon_music_addresses
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from EntranceShuffle import door_addresses, single_doors
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from Text import string_to_alttp_text, text_addresses, altar_text
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import random
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def patch_rom(world, rom):
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# patch items
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for location in world.get_locations():
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if location.name == 'Ganon':
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# cannot shuffle this yet
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continue
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itemid = location.item.code if location.item is not None else 0x5A
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try:
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# regular items
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locationaddress = location_addresses[location.name]
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write_byte(rom, locationaddress, itemid)
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except KeyError:
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# crystals
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locationaddress = crystal_locations[location.name]
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for address, value in zip(locationaddress, itemid):
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write_byte(rom, address, value)
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# patch music
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music_addresses = dungeon_music_addresses[location.name]
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music = 0x11 if 'Pendant' in location.item.name else 0x16
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for music_address in music_addresses:
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write_byte(rom, music_address, music)
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# patch entrances
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for region in world.regions:
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for exit in region.exits:
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if exit.target is not None:
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try:
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# ugly fix for agahnim fix in simple dungeon shuffle mode
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if world.agahnim_fix_required and exit.name == 'Dark Death Mountain Ledge (East)':
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write_byte(rom, door_addresses[exit.name][0], exit.target)
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continue
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addresses = door_addresses[exit.name]
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write_byte(rom, addresses[0], exit.target[0])
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write_byte(rom, addresses[1], exit.target[1])
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except KeyError:
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# probably cave
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# ugly fix for agahnim fix in simple dungeon shuffle mode
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if world.agahnim_fix_required and exit.name == 'Mimic Cave Mirror Spot':
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write_byte(rom, single_doors[exit.name], exit.target[0])
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write_byte(rom, door_addresses['Dark Death Mountain Ledge (East)'][1], exit.target[1])
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continue
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addresses = single_doors[exit.name]
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if not isinstance(addresses, tuple):
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addresses = (addresses,)
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for address in addresses:
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write_byte(rom, address, exit.target)
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# patch medallion requirements
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if world.required_medallions[0] == 'Bombos':
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write_byte(rom, 0x180022, 0x00) # requirement
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write_byte(rom, 0x4FF2, 0x31) # sprite
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write_byte(rom, 0x50D1, 0x80)
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write_byte(rom, 0x51B0, 0x00)
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elif world.required_medallions[0] == 'Quake':
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write_byte(rom, 0x180022, 0x02) # requirement
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write_byte(rom, 0x4FF2, 0x31) # sprite
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write_byte(rom, 0x50D1, 0x88)
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write_byte(rom, 0x51B0, 0x00)
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if world.required_medallions[1] == 'Bombos':
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write_byte(rom, 0x180023, 0x00) # requirement
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write_byte(rom, 0x5020, 0x31) # sprite
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write_byte(rom, 0x50FF, 0x90)
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write_byte(rom, 0x51DE, 0x00)
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elif world.required_medallions[1] == 'Ether':
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write_byte(rom, 0x180023, 0x01) # requirement
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write_byte(rom, 0x5020, 0x31) # sprite
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write_byte(rom, 0x50FF, 0x98)
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write_byte(rom, 0x51DE, 0x00)
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# set open mode:
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if world.mode == 'open':
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write_byte(rom, 0x180032, 0x01) # open mode
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write_byte(rom, 0x180038, 0x00) # sewers light cone disable
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write_byte(rom, 0x180039, 0x00) # light world light cone disable
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write_byte(rom, 0x18003A, 0x00) # dark world light cone disable
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# disable sword sprite from uncle
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write_bytes(rom, 0x6D263, [0x00, 0x00, 0xf6, 0xff, 0x00, 0x0E])
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write_bytes(rom, 0x6D26B, [0x00, 0x00, 0xf6, 0xff, 0x00, 0x0E])
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write_bytes(rom, 0x6D293, [0x00, 0x00, 0xf6, 0xff, 0x00, 0x0E])
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write_bytes(rom, 0x6D29B, [0x00, 0x00, 0xf7, 0xff, 0x00, 0x0E])
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write_bytes(rom, 0x6D2B3, [0x00, 0x00, 0xf6, 0xff, 0x02, 0x0E])
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write_bytes(rom, 0x6D2BB, [0x00, 0x00, 0xf6, 0xff, 0x02, 0x0E])
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write_bytes(rom, 0x6D2E3, [0x00, 0x00, 0xf7, 0xff, 0x02, 0x0E])
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write_bytes(rom, 0x6D2EB, [0x00, 0x00, 0xf7, 0xff, 0x02, 0x0E])
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write_bytes(rom, 0x6D31B, [0x00, 0x00, 0xe4, 0xff, 0x08, 0x0E])
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write_bytes(rom, 0x6D323, [0x00, 0x00, 0xe4, 0xff, 0x08, 0x0E])
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else:
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write_byte(rom, 0x180032, 0x00) # standard mode
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write_byte(rom, 0x180038, 0x01) # sewers light cone enabled
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write_byte(rom, 0x180039, 0x01) # light world light cone enabled
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write_byte(rom, 0x18003A, 0x00) # dark world light cone disable
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# disable light world cane in minor glitches
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if world.logic == 'minorglitches':
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write_byte(rom, 0x180039, 0x00) # light world light cone disable
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write_byte(rom, 0x18003A, 0x00) # dark world light cone disable
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# handle difficulty
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if world.difficulty == 'normal':
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# Spike Cave Damage
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write_byte(rom, 0x180168, 0x08)
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# Powdered Fairies Prize
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write_byte(rom, 0x36DD0, 0xE3) # fairy
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# potion heal amount
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write_byte(rom, 0x180084, 0xA0) # full
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# potion magic restore amount
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write_byte(rom, 0x180085, 0x80) # full
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elif world.difficulty == 'hard':
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# Spike Cave Damage
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write_byte(rom, 0x180168, 0x02)
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# Powdered Fairies Prize
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write_byte(rom, 0x36DD0, 0x79) # Bee
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# potion heal amount
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write_byte(rom, 0x180084, 0x08) # One Heart
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# potion magic restore amount
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write_byte(rom, 0x180085, 0x20) # Quarter Magic
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# set up game internal RNG seed
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for i in range(1024):
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write_byte(rom, 0x178000 + i, random.randint(0, 255))
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# shuffle prize packs
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prizes = [0xD8, 0xD8, 0xD8, 0xD8, 0xD9, 0xD8, 0xD8, 0xD9, 0xDA, 0xD9, 0xDA, 0xDB, 0xDA, 0xD9, 0xDA, 0xDA, 0xE0, 0xDF, 0xDF, 0xDA, 0xE0, 0xDF, 0xD8, 0xDF,
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0xDC, 0xDC, 0xDC, 0xDD, 0xDC, 0xDC, 0xDE, 0xDC, 0xE1, 0xD8, 0xE1, 0xE2, 0xE1, 0xD8, 0xE1, 0xE2, 0xDF, 0xD9, 0xD8, 0xE1, 0xDF, 0xDC, 0xD9, 0xD8,
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0xD8, 0xE3, 0xE0, 0xDB, 0xDE, 0xD8, 0xDB, 0xE2, 0xD9, 0xDA, 0xDB, 0xD9, 0xDB, 0xD9, 0xDB]
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random.shuffle(prizes)
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# write tree pull prizes
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write_byte(rom, 0xEFBD4, prizes.pop())
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write_byte(rom, 0xEFBD5, prizes.pop())
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write_byte(rom, 0xEFBD6, prizes.pop())
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# in open mode with shuffled caves, cannot guarantee access to rupees or a shop. Make 4 kill tree pull single bombs always to give guaranteed access
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if world.shuffle not in ['default', 'dungeonsfull', 'dungeonssimple']:
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write_byte(rom, 0xEFBD6, 0xDC)
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# rupee crab prizes
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write_byte(rom, 0x329C8, prizes.pop()) # first prize
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write_byte(rom, 0x329C4, prizes.pop()) # final prize
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# stunned enemy prize
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write_byte(rom, 0x37993, prizes.pop())
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# saved fish prize
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write_byte(rom, 0xE82CC, prizes.pop())
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# fill enemy prize packs
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write_bytes(rom, 0x37A78, prizes)
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# prize pack drop chances
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if world.difficulty == 'normal':
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droprates = [0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01] # 50%
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else:
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droprates = [0x01, 0x02, 0x03, 0x03, 0x03, 0x04, 0x04] # 50%, 25%, 3* 12.5%, 2* 6.25%
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random.shuffle(droprates)
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write_bytes(rom, 0x37A62, droprates)
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# deal with sprize prize packs (ToDo: figure out what this ACTUALLY does Probably assigns sprites to drop classes
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for i in range(243):
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if rom[0x6B632 + i] & 0x0F != 0x00:
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rom[0x6B632 + i] = (rom[0x6B632 + i] & 0xF0) | random.randint(1, 7)
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# set bonk prizes
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bonk_prizes = [0x79, 0xE3, 0x79, 0xAC, 0xAC, 0xE0, 0xDC, 0xAC, 0xE3, 0xE3, 0xDA, 0xE3, 0xDA, 0xD8, 0xAC, 0xAC, 0xE3, 0xD8, 0xE3, 0xE3, 0xE3, 0xE3, 0xE3, 0xE3, 0xDC, 0xDB, 0xE3, 0xDA, 0x79, 0x79, 0xE3, 0xE3,
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0xDA, 0x79, 0xAC, 0xAC, 0x79, 0xE3, 0x79, 0xAC, 0xAC, 0xE0, 0xDC, 0xE3, 0x79, 0xDE, 0xE3, 0xAC, 0xDB, 0x79, 0xE3, 0xD8, 0xAC, 0x79, 0xE3, 0xDB, 0xDB, 0xE3, 0xE3, 0x79, 0xD8, 0xDD]
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bonk_addresses = [0x4CF6C, 0x4CFBA, 0x4CFE0, 0x4CFFB, 0x4D018, 0x4D01B, 0x4D028, 0x4D03C, 0x4D059, 0x4D07A, 0x4D09E, 0x4D0A8, 0x4D0AB, 0x4D0AE, 0x4D0BE, 0x4D0DD,
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0x4D16A, 0x4D1E5, 0x4D1EE, 0x4D20B, 0x4CBBF, 0x4CBBF, 0x4CC17, 0x4CC1A, 0x4CC4A, 0x4CC4D, 0x4CC53, 0x4CC69, 0x4CC6F, 0x4CC7C, 0x4CCEF, 0x4CD51,
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0x4CDC0, 0x4CDC3, 0x4CDC6, 0x4CE37, 0x4D2DE, 0x4D32F, 0x4D355, 0x4D367, 0x4D384, 0x4D387, 0x4D397, 0x4D39E, 0x4D3AB, 0x4D3AE, 0x4D3D1, 0x4D3D7,
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0x4D3F8, 0x4D416, 0x4D420, 0x4D423, 0x4D42D, 0x4D449, 0x4D48C, 0x4D4D9, 0x4D4DC, 0x4D4E3, 0x4D504, 0x4D507, 0x4D55E, 0x4D56A]
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random.shuffle(bonk_prizes)
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for prize, address in zip(bonk_prizes, bonk_addresses):
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write_byte(rom, address, prize)
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if world.swamp_patch_required:
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# patch swamp: Need to enable permanent drain of water as dam or swamp were moved
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rom = rom.replace(bytearray([0xAF, 0xBB, 0xF2, 0x7E, 0x29, 0xDF, 0x8F, 0xBB, 0xF2, 0x7E]), bytearray([0xEA, 0xEA, 0xEA, 0xEA, 0xEA, 0xEA, 0xEA, 0xEA, 0xEA, 0xEA]))
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rom = rom.replace(bytearray([0xAF, 0xFB, 0xF2, 0x7E, 0x29, 0xDF, 0x8F, 0xFB, 0xF2, 0x7E]), bytearray([0xEA, 0xEA, 0xEA, 0xEA, 0xEA, 0xEA, 0xEA, 0xEA, 0xEA, 0xEA]))
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rom = rom.replace(bytearray([0xAF, 0x16, 0xF2, 0x7E, 0x29, 0x7F, 0x8F, 0x16, 0xF2, 0x7E]), bytearray([0xEA, 0xEA, 0xEA, 0xEA, 0xEA, 0xEA, 0xEA, 0xEA, 0xEA, 0xEA]))
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rom = rom.replace(bytearray([0xAF, 0x51, 0xF0, 0x7E, 0x29, 0xFE, 0x8F, 0x51, 0xF0, 0x7E]), bytearray([0xEA, 0xEA, 0xEA, 0xEA, 0xEA, 0xEA, 0xEA, 0xEA, 0xEA, 0xEA]))
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# set correct flag for hera basement item
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if world.get_location('[dungeon-L3-1F] Tower of Hera - Freestanding Key').item is not None and world.get_location('[dungeon-L3-1F] Tower of Hera - Freestanding Key').item.name == 'Small Key (Tower of Hera)':
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write_byte(rom, 0x4E3BB, 0xE4)
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else:
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write_byte(rom, 0x4E3BB, 0xEB)
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# write strings
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write_string_to_rom(rom, 'Ganon2', 'Did you find the silver arrows in Hyrule?')
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write_string_to_rom(rom, 'Uncle', 'Good Luck!\nYou will need it.')
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write_string_to_rom(rom, 'Triforce', 'Product has Hole in center. Bad seller, 0 out of 5.')
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write_string_to_rom(rom, 'BombShop1', 'Big Bomb?\nI Uh … Never heard of that. Move along.')
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write_string_to_rom(rom, 'BombShop2', 'Bombs!\nBombs!\nBiggest!\nBestest!\nGreatest!\nBoomest!')
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write_string_to_rom(rom, 'PyramidFairy', 'May I talk to you about our lord and savior, Ganon?')
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write_string_to_rom(rom, 'Sahasrahla1', 'How Did you Find me?')
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write_string_to_rom(rom, 'Sahasrahla2', 'You already got my item, idiot.')
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write_string_to_rom(rom, 'Blind', 'I bet you expected a vision related pun?\n\nNot Today.\n Didn\'t see that coming, did you?')
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write_string_to_rom(rom, 'Ganon1', '\n\n\n\n\n\n\n\n\nWhy are you reading an empty textbox?')
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write_string_to_rom(rom, 'TavernMan', 'Did you know that talking to random NPCs wastes time in a race? I hope this information may be of use to you in the future.')
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# disable open door sprites when exiting caves
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if world.shuffle not in ['default', 'dungeonssimple', 'dungeonsfull']:
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for i in range(0x85):
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write_byte(rom, 0x15274 + i, 0x00)
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altaritem = world.get_location('Altar').item.name if world.get_location('Altar').item is not None else 'Nothing'
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write_string_to_rom(rom, 'Altar', altar_text.get(altaritem, 'Unknown Item.'))
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return rom
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def write_byte(rom, address, value):
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rom[address] = value
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def write_bytes(rom, startaddress, values):
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for i, value in enumerate(values):
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write_byte(rom, startaddress + i, value)
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def write_string_to_rom(rom, target, string):
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address, maxbytes = text_addresses[target]
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write_bytes(rom, address, string_to_alttp_text(string, maxbytes)) |