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EntranceShuffle.py
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EntranceShuffle.py
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import random
import logging
from Fill import ShuffleError
from collections import OrderedDict
from Search import Search
from Region import TimeOfDay
from Rules import set_entrances_based_rules
from Entrance import Entrance
from State import State
from Item import ItemFactory
def get_entrance_pool(type):
return [entrance_data for entrance_data in entrance_shuffle_table if entrance_data[0] == type]
def entrance_instances(world, entrance_pool):
entrance_instances = []
for type, forward_entrance, *return_entrance in entrance_pool:
forward_entrance = set_shuffled_entrance(world, forward_entrance[0], forward_entrance[1], type)
forward_entrance.primary = True
if return_entrance:
return_entrance = return_entrance[0]
return_entrance = set_shuffled_entrance(world, return_entrance[0], return_entrance[1], type)
forward_entrance.bind_two_way(return_entrance)
entrance_instances.append(forward_entrance)
return entrance_instances
def set_shuffled_entrance(world, name, data, type):
entrance = world.get_entrance(name)
entrance.type = type
entrance.data = data
entrance.shuffled = True
return entrance
def assume_pool_reachable(world, entrance_pool):
assumed_pool = []
for entrance in entrance_pool:
assumed_forward = entrance.assume_reachable()
if entrance.reverse != None:
assumed_return = entrance.reverse.assume_reachable()
if entrance.type in ('Dungeon', 'Interior', 'Grotto', 'Grave', 'SpecialGrave'):
# Dungeon, Grotto/Grave and Simple Interior exits shouldn't be assumed to be able to give access to their parent region
assumed_return.set_rule(lambda state, **kwargs: False)
assumed_forward.bind_two_way(assumed_return)
assumed_pool.append(assumed_forward)
return assumed_pool
entrance_shuffle_table = [
('Dungeon', ('Outside Deku Tree -> Deku Tree Lobby', { 'index': 0x0000 }),
('Deku Tree Lobby -> Outside Deku Tree', { 'index': 0x0209, 'blue_warp': 0x0457 })),
('Dungeon', ('Dodongos Cavern Entryway -> Dodongos Cavern Beginning', { 'index': 0x0004 }),
('Dodongos Cavern Beginning -> Dodongos Cavern Entryway', { 'index': 0x0242, 'blue_warp': 0x047A })),
('Dungeon', ('Zoras Fountain -> Jabu Jabus Belly Beginning', { 'index': 0x0028 }),
('Jabu Jabus Belly Beginning -> Zoras Fountain', { 'index': 0x0221, 'blue_warp': 0x010E })),
('Dungeon', ('Sacred Forest Meadow -> Forest Temple Lobby', { 'index': 0x0169 }),
('Forest Temple Lobby -> Sacred Forest Meadow', { 'index': 0x0215, 'blue_warp': 0x0608 })),
('Dungeon', ('Fire Temple Entrance -> Fire Temple Lower', { 'index': 0x0165 }),
('Fire Temple Lower -> Fire Temple Entrance', { 'index': 0x024A, 'blue_warp': 0x0564 })),
('Dungeon', ('Lake Hylia -> Water Temple Lobby', { 'index': 0x0010 }),
('Water Temple Lobby -> Lake Hylia', { 'index': 0x021D, 'blue_warp': 0x060C })),
('Dungeon', ('Desert Colossus -> Spirit Temple Lobby', { 'index': 0x0082 }),
('Spirit Temple Lobby -> Desert Colossus', { 'index': 0x01E1, 'blue_warp': 0x0610 })),
('Dungeon', ('Shadow Temple Warp Region -> Shadow Temple Entryway', { 'index': 0x0037 }),
('Shadow Temple Entryway -> Shadow Temple Warp Region', { 'index': 0x0205, 'blue_warp': 0x0580 })),
('Dungeon', ('Kakariko Village -> Bottom of the Well', { 'index': 0x0098 }),
('Bottom of the Well -> Kakariko Village', { 'index': 0x02A6 })),
('Dungeon', ('Zoras Fountain -> Ice Cavern Beginning', { 'index': 0x0088 }),
('Ice Cavern Beginning -> Zoras Fountain', { 'index': 0x03D4 })),
('Dungeon', ('Gerudo Fortress -> Gerudo Training Grounds Lobby', { 'index': 0x0008 }),
('Gerudo Training Grounds Lobby -> Gerudo Fortress', { 'index': 0x03A8 })),
('Interior', ('Kokiri Forest -> Mido House', { 'index': 0x0433 }),
('Mido House -> Kokiri Forest', { 'index': 0x0443 })),
('Interior', ('Kokiri Forest -> Saria House', { 'index': 0x0437 }),
('Saria House -> Kokiri Forest', { 'index': 0x0447 })),
('Interior', ('Kokiri Forest -> House of Twins', { 'index': 0x009C }),
('House of Twins -> Kokiri Forest', { 'index': 0x033C })),
('Interior', ('Kokiri Forest -> Know It All House', { 'index': 0x00C9 }),
('Know It All House -> Kokiri Forest', { 'index': 0x026A })),
('Interior', ('Kokiri Forest -> Kokiri Shop', { 'index': 0x00C1 }),
('Kokiri Shop -> Kokiri Forest', { 'index': 0x0266 })),
('Interior', ('Lake Hylia -> Lake Hylia Lab', { 'index': 0x0043 }),
('Lake Hylia Lab -> Lake Hylia', { 'index': 0x03CC })),
('Interior', ('Lake Hylia -> Fishing Hole', { 'index': 0x045F }),
('Fishing Hole -> Lake Hylia', { 'index': 0x0309 })),
('Interior', ('Gerudo Valley Far Side -> Carpenter Tent', { 'index': 0x03A0 }),
('Carpenter Tent -> Gerudo Valley Far Side', { 'index': 0x03D0 })),
('Interior', ('Castle Town Entrance -> Castle Town Rupee Room', { 'index': 0x007E }),
('Castle Town Rupee Room -> Castle Town Entrance', { 'index': 0x026E })),
('Interior', ('Castle Town -> Castle Town Mask Shop', { 'index': 0x0530 }),
('Castle Town Mask Shop -> Castle Town', { 'index': 0x01D1 })),
('Interior', ('Castle Town -> Castle Town Bombchu Bowling', { 'index': 0x0507 }),
('Castle Town Bombchu Bowling -> Castle Town', { 'index': 0x03BC })),
('Interior', ('Castle Town -> Castle Town Potion Shop', { 'index': 0x0388 }),
('Castle Town Potion Shop -> Castle Town', { 'index': 0x02A2 })),
('Interior', ('Castle Town -> Castle Town Treasure Chest Game', { 'index': 0x0063 }),
('Castle Town Treasure Chest Game -> Castle Town', { 'index': 0x01D5 })),
('Interior', ('Castle Town -> Castle Town Bombchu Shop', { 'index': 0x0528 }),
('Castle Town Bombchu Shop -> Castle Town', { 'index': 0x03C0 })),
('Interior', ('Castle Town -> Castle Town Man in Green House', { 'index': 0x043B }),
('Castle Town Man in Green House -> Castle Town', { 'index': 0x0067 })),
('Interior', ('Kakariko Village -> Carpenter Boss House', { 'index': 0x02FD }),
('Carpenter Boss House -> Kakariko Village', { 'index': 0x0349 })),
('Interior', ('Kakariko Village -> House of Skulltula', { 'index': 0x0550 }),
('House of Skulltula -> Kakariko Village', { 'index': 0x04EE })),
('Interior', ('Kakariko Village -> Impas House', { 'index': 0x039C }),
('Impas House -> Kakariko Village', { 'index': 0x0345 })),
('Interior', ('Kakariko Impa Ledge -> Impas House Back', { 'index': 0x05C8 }),
('Impas House Back -> Kakariko Impa Ledge', { 'index': 0x05DC })),
('Interior', ('Kakariko Village Backyard -> Odd Medicine Building', { 'index': 0x0072 }),
('Odd Medicine Building -> Kakariko Village Backyard', { 'index': 0x034D })),
('Interior', ('Graveyard -> Dampes House', { 'index': 0x030D }),
('Dampes House -> Graveyard', { 'index': 0x0355 })),
('Interior', ('Goron City -> Goron Shop', { 'index': 0x037C }),
('Goron Shop -> Goron City', { 'index': 0x03FC })),
('Interior', ('Zoras Domain -> Zora Shop', { 'index': 0x0380 }),
('Zora Shop -> Zoras Domain', { 'index': 0x03C4 })),
('Interior', ('Lon Lon Ranch -> Talon House', { 'index': 0x004F }),
('Talon House -> Lon Lon Ranch', { 'index': 0x0378 })),
('Interior', ('Lon Lon Ranch -> Ingo Barn', { 'index': 0x02F9 }),
('Ingo Barn -> Lon Lon Ranch', { 'index': 0x042F })),
('Interior', ('Lon Lon Ranch -> Lon Lon Corner Tower', { 'index': 0x05D0 }),
('Lon Lon Corner Tower -> Lon Lon Ranch', { 'index': 0x05D4 })),
('Interior', ('Castle Town -> Castle Town Bazaar', { 'index': 0x052C }),
('Castle Town Bazaar -> Castle Town', { 'index': 0x03B8, 'dynamic_address': 0xBEFD74 })),
('Interior', ('Castle Town -> Castle Town Shooting Gallery', { 'index': 0x016D }),
('Castle Town Shooting Gallery -> Castle Town', { 'index': 0x01CD, 'dynamic_address': 0xBEFD7C })),
('Interior', ('Kakariko Village -> Kakariko Bazaar', { 'index': 0x00B7 }),
('Kakariko Bazaar -> Kakariko Village', { 'index': 0x0201, 'dynamic_address': 0xBEFD72 })),
('Interior', ('Kakariko Village -> Kakariko Shooting Gallery', { 'index': 0x003B }),
('Kakariko Shooting Gallery -> Kakariko Village', { 'index': 0x0463, 'dynamic_address': 0xBEFD7A })),
('Interior', ('Desert Colossus -> Colossus Fairy', { 'index': 0x0588 }),
('Colossus Fairy -> Desert Colossus', { 'index': 0x057C, 'dynamic_address': 0xBEFD82 })),
('Interior', ('Hyrule Castle Grounds -> Hyrule Castle Fairy', { 'index': 0x0578 }),
('Hyrule Castle Fairy -> Castle Grounds', { 'index': 0x0340, 'dynamic_address': 0xBEFD80 })),
('Interior', ('Ganons Castle Grounds -> Ganons Castle Fairy', { 'index': 0x04C2 }),
('Ganons Castle Fairy -> Castle Grounds', { 'index': 0x0340, 'dynamic_address': 0xBEFD6C })),
('Interior', ('Death Mountain Crater Lower Nearby -> Crater Fairy', { 'index': 0x04BE }),
('Crater Fairy -> Death Mountain Crater Lower Local', { 'index': 0x0482, 'dynamic_address': 0xBEFD6A })),
('Interior', ('Death Mountain Summit -> Mountain Summit Fairy', { 'index': 0x0315 }),
('Mountain Summit Fairy -> Death Mountain Summit', { 'index': 0x045B, 'dynamic_address': 0xBEFD68 })),
('Interior', ('Zoras Fountain -> Zoras Fountain Fairy', { 'index': 0x0371 }),
('Zoras Fountain Fairy -> Zoras Fountain', { 'index': 0x0394, 'dynamic_address': 0xBEFD7E })),
('SpecialInterior', ('Kokiri Forest -> Links House', { 'index': 0x0272 }),
('Links House -> Kokiri Forest', { 'index': 0x0211 })),
('SpecialInterior', ('Temple of Time Exterior -> Temple of Time', { 'index': 0x0053 }),
('Temple of Time -> Temple of Time Exterior', { 'index': 0x0472 })),
('SpecialInterior', ('Kakariko Village -> Windmill', { 'index': 0x0453 }),
('Windmill -> Kakariko Village', { 'index': 0x0351 })),
('SpecialInterior', ('Kakariko Village -> Kakariko Potion Shop Front', { 'index': 0x0384 }),
('Kakariko Potion Shop Front -> Kakariko Village', { 'index': 0x044B })),
('SpecialInterior', ('Kakariko Village Backyard -> Kakariko Potion Shop Back', { 'index': 0x03EC }),
('Kakariko Potion Shop Back -> Kakariko Village Backyard', { 'index': 0x04FF })),
('Grotto', ('Desert Colossus -> Desert Colossus Grotto', { 'grotto_id': 0x00, 'entrance': 0x05BC, 'content': 0xFD, 'scene': 0x5C }),
('Desert Colossus Grotto -> Desert Colossus', { 'grotto_id': 0x00 })),
('Grotto', ('Lake Hylia -> Lake Hylia Grotto', { 'grotto_id': 0x01, 'entrance': 0x05A4, 'content': 0xEF, 'scene': 0x57 }),
('Lake Hylia Grotto -> Lake Hylia', { 'grotto_id': 0x01 })),
('Grotto', ('Zora River -> Zora River Storms Grotto', { 'grotto_id': 0x02, 'entrance': 0x05BC, 'content': 0xEB, 'scene': 0x54 }),
('Zora River Storms Grotto -> Zora River', { 'grotto_id': 0x02 })),
('Grotto', ('Zora River -> Zora River Plateau Bombable Grotto', { 'grotto_id': 0x03, 'entrance': 0x036D, 'content': 0xE6, 'scene': 0x54 }),
('Zora River Plateau Bombable Grotto -> Zora River', { 'grotto_id': 0x03 })),
('Grotto', ('Zora River -> Zora River Plateau Open Grotto', { 'grotto_id': 0x04, 'entrance': 0x003F, 'content': 0x29, 'scene': 0x54 }),
('Zora River Plateau Open Grotto -> Zora River', { 'grotto_id': 0x04 })),
('Grotto', ('Death Mountain Crater Lower Nearby -> DMC Hammer Grotto', { 'grotto_id': 0x05, 'entrance': 0x05A4, 'content': 0xF9, 'scene': 0x61 }),
('DMC Hammer Grotto -> Death Mountain Crater Lower Local', { 'grotto_id': 0x05 })),
('Grotto', ('Death Mountain Crater Upper Nearby -> Top of Crater Grotto', { 'grotto_id': 0x06, 'entrance': 0x003F, 'content': 0x7A, 'scene': 0x61 }),
('Top of Crater Grotto -> Death Mountain Crater Upper Local', { 'grotto_id': 0x06 })),
('Grotto', ('Goron City -> Goron City Grotto', { 'grotto_id': 0x07, 'entrance': 0x05A4, 'content': 0xFB, 'scene': 0x62 }),
('Goron City Grotto -> Goron City', { 'grotto_id': 0x07 })),
('Grotto', ('Death Mountain -> Mountain Storms Grotto', { 'grotto_id': 0x08, 'entrance': 0x003F, 'content': 0x57, 'scene': 0x60 }),
('Mountain Storms Grotto -> Death Mountain', { 'grotto_id': 0x08 })),
('Grotto', ('Death Mountain Summit -> Mountain Bombable Grotto', { 'grotto_id': 0x09, 'entrance': 0x05FC, 'content': 0xF8, 'scene': 0x60 }),
('Mountain Bombable Grotto -> Death Mountain Summit', { 'grotto_id': 0x09 })),
('Grotto', ('Kakariko Village Backyard -> Kakariko Back Grotto', { 'grotto_id': 0x0A, 'entrance': 0x003F, 'content': 0x28, 'scene': 0x52 }),
('Kakariko Back Grotto -> Kakariko Village Backyard', { 'grotto_id': 0x0A })),
('Grotto', ('Kakariko Village -> Kakariko Bombable Grotto', { 'grotto_id': 0x0B, 'entrance': 0x05A0, 'content': 0xE7, 'scene': 0x52 }),
('Kakariko Bombable Grotto -> Kakariko Village', { 'grotto_id': 0x0B })),
('Grotto', ('Hyrule Castle Grounds -> Castle Storms Grotto', { 'grotto_id': 0x0C, 'entrance': 0x05B8, 'content': 0xF6, 'scene': 0x5F }),
('Castle Storms Grotto -> Hyrule Castle Grounds', { 'grotto_id': 0x0C })),
('Grotto', ('Hyrule Field -> Field North Lon Lon Grotto', { 'grotto_id': 0x0D, 'entrance': 0x05C0, 'content': 0xE1, 'scene': 0x51 }),
('Field North Lon Lon Grotto -> Hyrule Field', { 'grotto_id': 0x0D })),
('Grotto', ('Hyrule Field -> Field Kakariko Grotto', { 'grotto_id': 0x0E, 'entrance': 0x0598, 'content': 0xE5, 'scene': 0x51 }),
('Field Kakariko Grotto -> Hyrule Field', { 'grotto_id': 0x0E })),
('Grotto', ('Hyrule Field -> Field Far West Castle Town Grotto', { 'grotto_id': 0x0F, 'entrance': 0x036D, 'content': 0xFF, 'scene': 0x51 }),
('Field Far West Castle Town Grotto -> Hyrule Field', { 'grotto_id': 0x0F })),
('Grotto', ('Hyrule Field -> Field West Castle Town Grotto', { 'grotto_id': 0x10, 'entrance': 0x003F, 'content': 0x00, 'scene': 0x51 }),
('Field West Castle Town Grotto -> Hyrule Field', { 'grotto_id': 0x10 })),
('Grotto', ('Hyrule Field -> Field Valley Grotto', { 'grotto_id': 0x11, 'entrance': 0x05A8, 'content': 0xE4, 'scene': 0x51 }),
('Field Valley Grotto -> Hyrule Field', { 'grotto_id': 0x11 })),
('Grotto', ('Hyrule Field -> Field Near Lake Inside Fence Grotto', { 'grotto_id': 0x12, 'entrance': 0x059C, 'content': 0xE6, 'scene': 0x51 }),
('Field Near Lake Inside Fence Grotto -> Hyrule Field', { 'grotto_id': 0x12 })),
('Grotto', ('Hyrule Field -> Field Near Lake Outside Fence Grotto', { 'grotto_id': 0x13, 'entrance': 0x003F, 'content': 0x03, 'scene': 0x51 }),
('Field Near Lake Outside Fence Grotto -> Hyrule Field', { 'grotto_id': 0x13 })),
('Grotto', ('Hyrule Field -> Remote Southern Grotto', { 'grotto_id': 0x14, 'entrance': 0x003F, 'content': 0x22, 'scene': 0x51 }),
('Remote Southern Grotto -> Hyrule Field', { 'grotto_id': 0x14 })),
('Grotto', ('Lon Lon Ranch -> Lon Lon Grotto', { 'grotto_id': 0x15, 'entrance': 0x05A4, 'content': 0xFC, 'scene': 0x63 }),
('Lon Lon Grotto -> Lon Lon Ranch', { 'grotto_id': 0x15 })),
('Grotto', ('Sacred Forest Meadow Entryway -> Front of Meadow Grotto', { 'grotto_id': 0x16, 'entrance': 0x05B4, 'content': 0xED, 'scene': 0x56 }),
('Front of Meadow Grotto -> Sacred Forest Meadow Entryway', { 'grotto_id': 0x16 })),
('Grotto', ('Sacred Forest Meadow -> Meadow Storms Grotto', { 'grotto_id': 0x17, 'entrance': 0x05BC, 'content': 0xEE, 'scene': 0x56 }),
('Meadow Storms Grotto -> Sacred Forest Meadow', { 'grotto_id': 0x17 })),
('Grotto', ('Sacred Forest Meadow -> Meadow Fairy Grotto', { 'grotto_id': 0x18, 'entrance': 0x036D, 'content': 0xFF, 'scene': 0x56 }),
('Meadow Fairy Grotto -> Sacred Forest Meadow', { 'grotto_id': 0x18 })),
('Grotto', ('Lost Woods Beyond Mido -> Lost Woods Sales Grotto', { 'grotto_id': 0x19, 'entrance': 0x05B0, 'content': 0xF5, 'scene': 0x5B }),
('Lost Woods Sales Grotto -> Lost Woods Beyond Mido', { 'grotto_id': 0x19 })),
('Grotto', ('Lost Woods -> Lost Woods Generic Grotto', { 'grotto_id': 0x1A, 'entrance': 0x003F, 'content': 0x14, 'scene': 0x5B }),
('Lost Woods Generic Grotto -> Lost Woods', { 'grotto_id': 0x1A })),
('Grotto', ('Kokiri Forest -> Kokiri Forest Storms Grotto', { 'grotto_id': 0x1B, 'entrance': 0x003F, 'content': 0x2C, 'scene': 0x55 }),
('Kokiri Forest Storms Grotto -> Kokiri Forest', { 'grotto_id': 0x1B })),
('Grotto', ('Zoras Domain -> Zoras Domain Storms Grotto', { 'grotto_id': 0x1C, 'entrance': 0x036D, 'content': 0xFF, 'scene': 0x58 }),
('Zoras Domain Storms Grotto -> Zoras Domain', { 'grotto_id': 0x1C })),
('Grotto', ('Gerudo Fortress -> Gerudo Fortress Storms Grotto', { 'grotto_id': 0x1D, 'entrance': 0x036D, 'content': 0xFF, 'scene': 0x5D }),
('Gerudo Fortress Storms Grotto -> Gerudo Fortress', { 'grotto_id': 0x1D })),
('Grotto', ('Gerudo Valley Far Side -> Gerudo Valley Storms Grotto', { 'grotto_id': 0x1E, 'entrance': 0x05BC, 'content': 0xF0, 'scene': 0x5A }),
('Gerudo Valley Storms Grotto -> Gerudo Valley Far Side', { 'grotto_id': 0x1E })),
('Grotto', ('Gerudo Valley -> Gerudo Valley Octorok Grotto', { 'grotto_id': 0x1F, 'entrance': 0x05AC, 'content': 0xF2, 'scene': 0x5A }),
('Gerudo Valley Octorok Grotto -> Gerudo Valley', { 'grotto_id': 0x1F })),
('Grotto', ('Lost Woods Beyond Mido -> Deku Theater', { 'grotto_id': 0x20, 'entrance': 0x05C4, 'content': 0xF3, 'scene': 0x5B }),
('Deku Theater -> Lost Woods Beyond Mido', { 'grotto_id': 0x20 })),
('Grave', ('Graveyard -> Shield Grave', { 'index': 0x004B }),
('Shield Grave -> Graveyard', { 'index': 0x035D })),
('Grave', ('Graveyard -> Heart Piece Grave', { 'index': 0x031C }),
('Heart Piece Grave -> Graveyard', { 'index': 0x0361 })),
('Grave', ('Graveyard -> Composer Grave', { 'index': 0x002D }),
('Composer Grave -> Graveyard', { 'index': 0x050B })),
('SpecialGrave', ('Graveyard -> Dampes Grave', { 'index': 0x044F }),
('Dampes Grave -> Graveyard', { 'index': 0x0359 })),
('Overworld', ('Kokiri Forest -> Lost Woods Bridge From Forest', { 'index': 0x05E0 }),
('Lost Woods Bridge -> Kokiri Forest', { 'index': 0x020D })),
('Overworld', ('Kokiri Forest -> Lost Woods', { 'index': 0x011E }),
('Lost Woods Forest Exit -> Kokiri Forest', { 'index': 0x0286 })),
('Overworld', ('Lost Woods -> Goron City Woods Warp', { 'index': 0x04E2 }),
('Goron City Woods Warp -> Lost Woods', { 'index': 0x04D6 })),
('Overworld', ('Lost Woods -> Zora River', { 'index': 0x01DD }),
('Zora River -> Lost Woods', { 'index': 0x04DA })),
('Overworld', ('Lost Woods Beyond Mido -> Sacred Forest Meadow Entryway', { 'index': 0x00FC }),
('Sacred Forest Meadow Entryway -> Lost Woods Beyond Mido', { 'index': 0x01A9 })),
('Overworld', ('Lost Woods Bridge -> Hyrule Field', { 'index': 0x0185 }),
('Hyrule Field -> Lost Woods Bridge', { 'index': 0x04DE })),
('Overworld', ('Hyrule Field -> Lake Hylia', { 'index': 0x0102 }),
('Lake Hylia -> Hyrule Field', { 'index': 0x0189 })),
('Overworld', ('Hyrule Field -> Gerudo Valley', { 'index': 0x0117 }),
('Gerudo Valley -> Hyrule Field', { 'index': 0x018D })),
('Overworld', ('Hyrule Field -> Castle Town Entrance', { 'index': 0x0276 }),
('Castle Town Entrance -> Hyrule Field', { 'index': 0x01FD })),
('Overworld', ('Hyrule Field -> Kakariko Village', { 'index': 0x00DB }),
('Kakariko Village -> Hyrule Field', { 'index': 0x017D })),
('Overworld', ('Hyrule Field -> Zora River Front', { 'index': 0x00EA }),
('Zora River Front -> Hyrule Field', { 'index': 0x0181 })),
('Overworld', ('Hyrule Field -> Lon Lon Ranch', { 'index': 0x0157 }),
('Lon Lon Ranch -> Hyrule Field', { 'index': 0x01F9 })),
('Overworld', ('Lake Hylia -> Zoras Domain', { 'index': 0x0328 }),
('Zoras Domain -> Lake Hylia', { 'index': 0x0560 })),
('Overworld', ('Gerudo Valley Far Side -> Gerudo Fortress', { 'index': 0x0129 }),
('Gerudo Fortress -> Gerudo Valley Far Side', { 'index': 0x022D })),
('Overworld', ('Gerudo Fortress Outside Gate -> Haunted Wasteland Near Fortress', { 'index': 0x0130 }),
('Haunted Wasteland Near Fortress -> Gerudo Fortress Outside Gate', { 'index': 0x03AC })),
('Overworld', ('Haunted Wasteland Near Colossus -> Desert Colossus', { 'index': 0x0123 }),
('Desert Colossus -> Haunted Wasteland Near Colossus', { 'index': 0x0365 })),
('Overworld', ('Castle Town Entrance -> Castle Town', { 'index': 0x00B1 }),
('Castle Town -> Castle Town Entrance', { 'index': 0x0033 })),
('Overworld', ('Castle Town -> Castle Grounds', { 'index': 0x0138 }),
('Castle Grounds -> Castle Town', { 'index': 0x025A })),
('Overworld', ('Castle Town -> Temple of Time Exterior', { 'index': 0x0171 }),
('Temple of Time Exterior -> Castle Town', { 'index': 0x025E })),
('Overworld', ('Kakariko Village -> Graveyard', { 'index': 0x00E4 }),
('Graveyard -> Kakariko Village', { 'index': 0x0195 })),
('Overworld', ('Kakariko Village Behind Gate -> Death Mountain', { 'index': 0x013D }),
('Death Mountain -> Kakariko Village Behind Gate', { 'index': 0x0191 })),
('Overworld', ('Death Mountain -> Goron City', { 'index': 0x014D }),
('Goron City -> Death Mountain', { 'index': 0x01B9 })),
('Overworld', ('Darunias Chamber -> Death Mountain Crater Lower Local', { 'index': 0x0246 }),
('Death Mountain Crater Lower Nearby -> Darunias Chamber', { 'index': 0x01C1 })),
('Overworld', ('Death Mountain Summit -> Death Mountain Crater Upper Local', { 'index': 0x0147 }),
('Death Mountain Crater Upper Nearby -> Death Mountain Summit', { 'index': 0x01BD })),
('Overworld', ('Zora River Behind Waterfall -> Zoras Domain', { 'index': 0x0108 }),
('Zoras Domain -> Zora River Behind Waterfall', { 'index': 0x019D })),
('Overworld', ('Zoras Domain Behind King Zora -> Zoras Fountain', { 'index': 0x0225 }),
('Zoras Fountain -> Zoras Domain Behind King Zora', { 'index': 0x01A1 })),
('OwlDrop', ('Lake Hylia Owl Flight -> Hyrule Field', { 'index': 0x027E, 'code_address': 0xAC9F26 })),
('OwlDrop', ('Death Mountain Summit Owl Flight -> Kakariko Impa Ledge', { 'index': 0x0554, 'code_address': 0xAC9EF2 })),
]
class EntranceShuffleError(ShuffleError):
pass
# Set entrances of all worlds, first initializing them to their default regions, then potentially shuffling part of them
def set_entrances(worlds):
for world in worlds:
world.initialize_entrances()
if worlds[0].entrance_shuffle != 'off':
shuffle_random_entrances(worlds)
set_entrances_based_rules(worlds)
# Shuffles entrances that need to be shuffled in all worlds
def shuffle_random_entrances(worlds):
# Store all locations reachable before shuffling to differentiate which locations were already unreachable from those we made unreachable
complete_itempool = [item for world in worlds for item in world.get_itempool_with_dungeon_items()]
max_search = Search.max_explore([world.state for world in worlds], complete_itempool)
non_drop_locations = [location for world in worlds for location in world.get_locations() if location.type not in ('Drop', 'Event')]
max_search.visit_locations(non_drop_locations)
locations_to_ensure_reachable = list(filter(max_search.visited, non_drop_locations))
# Shuffle all entrances within their own worlds
for world in worlds:
# Determine entrance pools based on settings, to be shuffled in the order we set them by
entrance_pools = OrderedDict()
if worlds[0].shuffle_special_indoor_entrances:
entrance_pools['SpecialInterior'] = entrance_instances(world, get_entrance_pool('SpecialInterior'))
if worlds[0].shuffle_overworld_entrances:
entrance_pools['Overworld'] = entrance_instances(world, get_entrance_pool('Overworld'))
# Overworld entrances should be shuffled from both directions, unlike other types of entrances
for entrance in entrance_pools['Overworld'].copy():
entrance.reverse.primary = True
entrance_pools['Overworld'].append(entrance.reverse)
entrance_pools['OwlDrop'] = entrance_instances(world, get_entrance_pool('OwlDrop'))
if worlds[0].shuffle_dungeon_entrances:
entrance_pools['Dungeon'] = entrance_instances(world, get_entrance_pool('Dungeon'))
# The fill algorithm will already make sure gohma is reachable, however it can end up putting
# a forest escape via the hands of spirit on Deku leading to Deku on spirit in logic. This is
# not really a closed forest anymore, so specifically remove Deku Tree from closed forest.
if worlds[0].open_forest == 'closed':
entrance_pools['Dungeon'].remove(world.get_entrance('Outside Deku Tree -> Deku Tree Lobby'))
world.get_entrance('Outside Deku Tree -> Deku Tree Lobby').shuffled = False
world.get_entrance('Deku Tree Lobby -> Outside Deku Tree').shuffled = False
if worlds[0].shuffle_interior_entrances:
entrance_pools['Interior'] = entrance_instances(world, get_entrance_pool('Interior')) + entrance_pools.get('SpecialInterior', [])
if worlds[0].shuffle_grotto_entrances:
entrance_pools['GrottoGrave'] = entrance_instances(world, get_entrance_pool('Grotto') + get_entrance_pool('Grave'))
if worlds[0].shuffle_special_indoor_entrances:
entrance_pools['GrottoGrave'] += entrance_instances(world, get_entrance_pool('SpecialGrave'))
# Set the assumption that all entrances are reachable
target_entrance_pools = {}
for pool_type, entrance_pool in entrance_pools.items():
target_entrance_pools[pool_type] = assume_pool_reachable(world, entrance_pool)
# Special interiors need to be handled specifically by placing them in reverse and among all interiors, including normal ones
if 'SpecialInterior' in entrance_pools:
entrance_pools['SpecialInterior'] = [entrance.reverse for entrance in entrance_pools['SpecialInterior']]
target_entrance_pools['SpecialInterior'] = [entrance.reverse for entrance in target_entrance_pools['Interior']]
# Owl Drops are extra entrances that will be connected to an owl drop or will be a duplicate entrance to an overworld entrance
# We don't assume they are reachable until placing them because we don't want the placement algorithm to expect all overworld regions to be reachable
if 'OwlDrop' in entrance_pools:
duplicate_overworld_targets = [target.copy(target.parent_region) for target in target_entrance_pools['Overworld']]
for target in duplicate_overworld_targets:
target.connect(world.get_region(target.connected_region))
target.parent_region.exits.append(target)
target_entrance_pools['OwlDrop'] += duplicate_overworld_targets
for target in target_entrance_pools['OwlDrop']:
target.set_rule(lambda state, **kwargs: False)
# Set entrances defined in the distribution
world.distribution.set_shuffled_entrances(worlds, entrance_pools, target_entrance_pools, locations_to_ensure_reachable, complete_itempool)
# Shuffle all entrances among the pools to shuffle
for pool_type, entrance_pool in entrance_pools.items():
if pool_type == 'SpecialInterior':
# When placing special interiors, we pre place ToT and Links House first, making sure the assumed access rules are always valid
temple_of_time_exit = world.get_entrance('Temple of Time -> Temple of Time Exterior')
links_house_exit = world.get_entrance('Links House -> Kokiri Forest')
for target in target_entrance_pools[pool_type]:
target.set_rule(lambda state, age=None, **kwargs: temple_of_time_exit.connected_region == None or (links_house_exit.connected_region == None and age == 'child'))
shuffle_entrance_pool(worlds, [temple_of_time_exit], target_entrance_pools[pool_type], locations_to_ensure_reachable)
shuffle_entrance_pool(worlds, [links_house_exit], target_entrance_pools[pool_type], locations_to_ensure_reachable)
shuffle_entrance_pool(worlds, entrance_pool, target_entrance_pools[pool_type], locations_to_ensure_reachable)
if pool_type == 'OwlDrop':
# Delete all unused owl drop targets after placing the entrances, since the unused targets won't ever be replaced
for target in target_entrance_pools[pool_type]:
delete_target_entrance(target)
# Multiple checks after shuffling entrances to make sure everything went fine
max_search = Search.max_explore([world.state for world in worlds], complete_itempool)
# Check that all shuffled entrances are properly connected to a region
for world in worlds:
for entrance in world.get_shuffled_entrances():
if entrance.connected_region == None:
logging.getLogger('').error('%s was shuffled but still isn\'t connected to any region [World %d]', entrance, world.id)
# Check for game beatability in all worlds
if not max_search.can_beat_game(False):
raise EntranceShuffleError('Cannot beat game!')
# Validate the worlds one last time to ensure all special conditions are still valid
try:
validate_worlds(worlds, None, locations_to_ensure_reachable, complete_itempool)
except EntranceShuffleError as error:
raise EntranceShuffleError('Worlds are not valid after shuffling entrances, Reason: %s' % error)
# Shuffle all entrances within a provided pool
def shuffle_entrance_pool(worlds, entrance_pool, target_entrances, locations_to_ensure_reachable, retry_count=20):
# Split entrances between those that have requirements (restrictive) and those that do not (soft). These are primarily age or time of day requirements.
restrictive_entrances, soft_entrances = split_entrances_by_requirements(worlds, entrance_pool, target_entrances)
while retry_count:
retry_count -= 1
rollbacks = []
try:
# Shuffle restrictive entrances first while more regions are available in order to heavily reduce the chances of the placement failing.
shuffle_entrances(worlds, restrictive_entrances, target_entrances, rollbacks, locations_to_ensure_reachable)
# Shuffle the rest of the entrances, we don't have to check for beatability or reachability of locations when placing those
shuffle_entrances(worlds, soft_entrances, target_entrances, rollbacks)
# Fully validate the resulting worlds to ensure everything is still fine after shuffling this pool
complete_itempool = [item for world in worlds for item in world.get_itempool_with_dungeon_items()]
validate_worlds(worlds, None, locations_to_ensure_reachable, complete_itempool)
# If all entrances could be connected without issues, log connections and continue
for entrance, target in rollbacks:
confirm_replacement(entrance, target)
return
except EntranceShuffleError as error:
for entrance, target in rollbacks:
restore_connections(entrance, target)
logging.getLogger('').info('Failed to place all entrances in a pool for world %d. Will retry %d more times', entrance_pool[0].world.id, retry_count)
logging.getLogger('').info('\t%s' % error)
raise EntranceShuffleError('Entrance placement attempt count exceeded for world %d' % entrance_pool[0].world.id)
# Split entrances based on their requirements to figure out how each entrance should be handled when shuffling them
def split_entrances_by_requirements(worlds, entrances_to_split, assumed_entrances):
# First, disconnect all root assumed entrances and save which regions they were originally connected to, so we can reconnect them later
original_connected_regions = {}
entrances_to_disconnect = set(assumed_entrances).union(entrance.reverse for entrance in assumed_entrances if entrance.reverse)
for entrance in entrances_to_disconnect:
if entrance.connected_region:
original_connected_regions[entrance] = entrance.disconnect()
# Generate the states with all assumed entrances disconnected
# This ensures no assumed entrances corresponding to those we are shuffling are required in order for an entrance to be reachable as some age/tod
complete_itempool = [item for world in worlds for item in world.get_itempool_with_dungeon_items()]
max_search = Search.max_explore([world.state for world in worlds], complete_itempool)
restrictive_entrances = []
soft_entrances = []
for entrance in entrances_to_split:
# Here, we find entrances that may be unreachable under certain conditions
if not max_search.spot_access(entrance, age='both', tod=TimeOfDay.ALL):
restrictive_entrances.append(entrance)
continue
# If an entrance is reachable as both ages and all times of day with all the other entrances disconnected,
# then it can always be made accessible in all situations by the Fill algorithm, no matter which combination of entrances we end up with.
# Thus, those entrances aren't bound to any specific requirements and are very versatile during placement.
soft_entrances.append(entrance)
# Reconnect all disconnected entrances afterwards
for entrance in entrances_to_disconnect:
if entrance in original_connected_regions:
entrance.connect(original_connected_regions[entrance])
return restrictive_entrances, soft_entrances
# Shuffle entrances by placing them instead of entrances in the provided target entrances list
# While shuffling entrances, the algorithm will ensure worlds are still valid based on multiple criterias
def shuffle_entrances(worlds, entrances, target_entrances, rollbacks, locations_to_ensure_reachable=[]):
# Retrieve all items in the itempool, all worlds included
complete_itempool = [item for world in worlds for item in world.get_itempool_with_dungeon_items()]
random.shuffle(entrances)
# Place all entrances in the pool, validating worlds during every placement
for entrance in entrances:
if entrance.connected_region != None:
continue
random.shuffle(target_entrances)
for target in target_entrances:
if target.connected_region == None:
continue
# An entrance shouldn't be connected to its own scene, so we fail in that situation
if entrance.parent_region.scene and entrance.parent_region.scene == target.connected_region.scene:
logging.getLogger('').debug('Failed to connect %s To %s (Reason: Self scene connections are forbidden) [World %d]',
entrance, target.connected_region, entrance.world.id)
continue
change_connections(entrance, target)
try:
validate_worlds(worlds, entrance, locations_to_ensure_reachable, complete_itempool)
rollbacks.append((entrance, target))
break
except EntranceShuffleError as error:
# If the entrance can't be placed there, log a debug message and change the connections back to what they were previously
logging.getLogger('').debug('Failed to connect %s To %s (Reason: %s) [World %d]',
entrance, entrance.connected_region, error, entrance.world.id)
restore_connections(entrance, target)
if entrance.connected_region == None:
raise EntranceShuffleError('No more valid entrances to replace with %s in world %d' % (entrance, entrance.world.id))
# Validate the provided worlds' structures, raising an error if it's not valid based on our criterias
def validate_worlds(worlds, entrance_placed, locations_to_ensure_reachable, itempool):
max_search = None
if locations_to_ensure_reachable:
max_search = Search.max_explore([world.state for world in worlds], itempool)
# If ALR is enabled, ensure all locations we want to keep reachable are indeed still reachable
# Otherwise, just continue if the game is still beatable
if not (worlds[0].check_beatable_only and max_search.can_beat_game(False)):
max_search.visit_locations(locations_to_ensure_reachable)
for location in locations_to_ensure_reachable:
if not max_search.visited(location):
raise EntranceShuffleError('%s is unreachable' % location.name)
if (entrance_placed == None and worlds[0].shuffle_special_indoor_entrances) or \
(entrance_placed != None and entrance_placed.type in ['SpecialInterior', 'Overworld']):
if max_search == None:
max_search = Search.max_explore([world.state for world in worlds], itempool)
for world in worlds:
# Links House entrance should be reachable as child at some point in the seed
links_house_entrance = get_entrance_replacing(world.get_region('Links House'), 'Kokiri Forest -> Links House')
if not max_search.spot_access(links_house_entrance, age='child'):
raise EntranceShuffleError('Links House Entrance is never reachable as child')
# Temple of Time entrance should be reachable as both ages at some point in the seed
temple_of_time_entrance = get_entrance_replacing(world.get_region('Temple of Time'), 'Temple of Time Exterior -> Temple of Time')
if not max_search.spot_access(temple_of_time_entrance, age='both'):
raise EntranceShuffleError('Temple of Time Entrance is never reachable as both ages')
# Windmill door entrance should be reachable as both ages at some point in the seed
windmill_door_entrance = get_entrance_replacing(world.get_region('Windmill'), 'Kakariko Village -> Windmill')
if not max_search.spot_access(windmill_door_entrance, age='both'):
raise EntranceShuffleError('Windmill Door Entrance is never reachable as both ages')
# Potion Shop front door should be reachable as both ages at some point in the seed
potion_front_entrance = get_entrance_replacing(world.get_region('Kakariko Potion Shop Front'), 'Kakariko Village -> Kakariko Potion Shop Front')
if not max_search.spot_access(potion_front_entrance, age='both'):
raise EntranceShuffleError('Adult Potion Front Entrance is never reachable as both ages')
# Potion Shop back door should be reachable as adult at some point in the seed
potion_back_entrance = get_entrance_replacing(world.get_region('Kakariko Potion Shop Back'), 'Kakariko Village Backyard -> Kakariko Potion Shop Back')
if not max_search.spot_access(potion_back_entrance, age='adult'):
raise EntranceShuffleError('Adult Potion Back Entrance is never reachable as Adult')
check_same_hint_region(potion_front_entrance, potion_back_entrance)
# At least one valid starting region with all basic refills should be reachable without using any items at the beginning of the seed
# Note this creates an empty State rather than reuse world.state (which already has starting items).
no_items_search = Search([State(world) for world in worlds])
valid_starting_regions = ['Kokiri Forest', 'Kakariko Village']
for world in worlds:
if not any(region for region in valid_starting_regions if no_items_search.can_reach(world.get_region(region))):
raise EntranceShuffleError('Invalid starting area')
# Check that a region where time passes is always reachable as both ages without having collected any items (except in closed forest)
time_travel_search = Search.with_items([world.state for world in worlds], [ItemFactory('Time Travel', world=world) for world in worlds])
for world in worlds:
if not (any(region for region in time_travel_search.reachable_regions('child') if region.time_passes and region.world == world) and
any(region for region in time_travel_search.reachable_regions('adult') if region.time_passes and region.world == world)):
raise EntranceShuffleError('Time passing is not guaranteed as both ages')
# When starting as adult, child Link should be able to reach ToT without having collected any items
# This is important to ensure that the player never loses access to the pedestal after going child
if any(world.starting_age == 'adult' for world in worlds):
for world in worlds:
if world.starting_age == 'adult' and not time_travel_search.can_reach(world.get_region('Temple of Time'), age='child'):
raise EntranceShuffleError('Links House to Temple of Time path as child is not guaranteed')
if entrance_placed == None or (entrance_placed != None and entrance_placed.type in ['Interior', 'SpecialInterior', 'Overworld']):
# The Big Poe Shop should always be accessible as adult without the need to use any bottles
# Since we can't guarantee that items in the pool won't be placed behind bottles, we guarantee the access without using any items
# This is important to ensure that players can never lock their only bottles by filling them with Big Poes they can't sell
no_items_time_travel_search = Search.with_items([State(world) for world in worlds], [ItemFactory('Time Travel', world=world) for world in worlds])
for world in worlds:
if not no_items_time_travel_search.can_reach(world.get_region('Castle Town Rupee Room'), age='adult'):
raise EntranceShuffleError('Big Poe Shop access is not guaranteed as adult')
if world.shuffle_cows:
impas_front_entrance = get_entrance_replacing(world.get_region('Impas House'), 'Kakariko Village -> Impas House')
impas_back_entrance = get_entrance_replacing(world.get_region('Impas House Back'), 'Kakariko Impa Ledge -> Impas House Back')
check_same_hint_region(impas_front_entrance, impas_back_entrance)
return
# Shorthand function to check and validate that two entrances are in the same hint region
def check_same_hint_region(first, second):
if first.parent_region.hint is not None and second.parent_region.hint is not None and \
first.parent_region.hint != second.parent_region.hint:
raise EntranceShuffleError('Entrances are not in the same hint region')
# Shorthand function to find an entrance with the requested name leading to a specific region
def get_entrance_replacing(region, entrance_name):
try:
return next(filter(lambda entrance: entrance.replaces and entrance.replaces.name == entrance_name, region.entrances))
except StopIteration:
return region.world.get_entrance(entrance_name)
# Change connections between an entrance and a target assumed entrance, in order to test the connections afterwards if necessary
def change_connections(entrance, target_entrance):
entrance.connect(target_entrance.disconnect())
entrance.replaces = target_entrance.replaces
if entrance.reverse:
target_entrance.replaces.reverse.connect(entrance.reverse.assumed.disconnect())
target_entrance.replaces.reverse.replaces = entrance.reverse.assumed.replaces
# Restore connections between an entrance and a target assumed entrance
def restore_connections(entrance, target_entrance):
target_entrance.connect(entrance.disconnect())
entrance.replaces = None
if entrance.reverse:
entrance.reverse.assumed.connect(target_entrance.replaces.reverse.disconnect())
target_entrance.replaces.reverse.replaces = None
# Confirm the replacement of a target entrance by a new entrance, logging the new connections and completely deleting the target entrances
def confirm_replacement(entrance, target_entrance):
delete_target_entrance(target_entrance)
logging.getLogger('').debug('Connected %s To %s [World %d]', entrance, entrance.connected_region, entrance.world.id)
if entrance.reverse:
replaced_reverse = target_entrance.replaces.reverse
delete_target_entrance(entrance.reverse.assumed)
logging.getLogger('').debug('Connected %s To %s [World %d]', replaced_reverse, replaced_reverse.connected_region, replaced_reverse.world.id)
# Delete an assumed target entrance, by disconnecting it if needed and removing it from its parent region
def delete_target_entrance(target_entrance):
if target_entrance.connected_region != None:
target_entrance.disconnect()
if target_entrance.parent_region != None:
target_entrance.parent_region.exits.remove(target_entrance)
target_entrance.parent_region = None