ba3bb201cd
Generator: Re-allow names with spaces (and see what breaks) Generator: Removed teams (Note that teams are intended to move from a generation step feature to a server runtime feature, allowing dynamic creation of an already generated MW) LttP: All Rom Options are now on the new system LttP: palette option "random" is now called "good" LttP: Roms are now created as part of the general output file creation step LttP: disable Music is now Music, removing potential double negatives LttP & Factorio: Progressive option random is now grouped_random LttP: Enemy damage option random is now Enemy damage: chaos
448 lines
22 KiB
Python
448 lines
22 KiB
Python
import logging
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import typing
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import collections
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import itertools
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from BaseClasses import CollectionState, Location, MultiWorld
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from worlds.alttp.Items import ItemFactory
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from worlds.alttp.Regions import key_drop_data
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from worlds.generic import PlandoItem
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class FillError(RuntimeError):
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pass
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def fill_restrictive(world: MultiWorld, base_state: CollectionState, locations, itempool, single_player_placement=False,
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lock=False):
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def sweep_from_pool():
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new_state = base_state.copy()
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for item in itempool:
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new_state.collect(item, True)
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new_state.sweep_for_events()
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return new_state
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unplaced_items = []
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placements = []
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reachable_items = {}
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for item in itempool:
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reachable_items.setdefault(item.player, []).append(item)
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while any(reachable_items.values()) and locations:
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items_to_place = [items.pop() for items in reachable_items.values() if items] # grab one item per player
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for item in items_to_place:
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itempool.remove(item)
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maximum_exploration_state = sweep_from_pool()
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has_beaten_game = world.has_beaten_game(maximum_exploration_state)
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for item_to_place in items_to_place:
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if world.accessibility[item_to_place.player] == 'none':
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perform_access_check = not world.has_beaten_game(maximum_exploration_state,
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item_to_place.player) if single_player_placement else not has_beaten_game
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else:
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perform_access_check = True
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for i, location in enumerate(locations):
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if (not single_player_placement or location.player == item_to_place.player) \
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and location.can_fill(maximum_exploration_state, item_to_place, perform_access_check):
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spot_to_fill = locations.pop(i) # poping by index is faster than removing by content,
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# skipping a scan for the element
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break
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else:
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# we filled all reachable spots. Maybe the game can be beaten anyway?
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unplaced_items.append(item_to_place)
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if world.accessibility[item_to_place.player] != 'none' and world.can_beat_game():
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logging.warning(
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f'Not all items placed. Game beatable anyway. (Could not place {item_to_place})')
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continue
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raise FillError(f'No more spots to place {item_to_place}, locations {locations} are invalid. '
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f'Already placed {len(placements)}: {", ".join(str(place) for place in placements)}')
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world.push_item(spot_to_fill, item_to_place, False)
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spot_to_fill.locked = lock
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placements.append(spot_to_fill)
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spot_to_fill.event = True
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itempool.extend(unplaced_items)
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def distribute_items_restrictive(world: MultiWorld, gftower_trash=False, fill_locations=None):
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# If not passed in, then get a shuffled list of locations to fill in
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if not fill_locations:
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fill_locations = world.get_unfilled_locations()
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world.random.shuffle(fill_locations)
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# get items to distribute
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world.random.shuffle(world.itempool)
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progitempool = []
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nonexcludeditempool = []
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localrestitempool = {player: [] for player in range(1, world.players + 1)}
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restitempool = []
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for item in world.itempool:
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if item.advancement:
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progitempool.append(item)
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elif item.never_exclude: # this only gets nonprogression items which should not appear in excluded locations
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nonexcludeditempool.append(item)
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elif item.name in world.local_items[item.player]:
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localrestitempool[item.player].append(item)
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else:
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restitempool.append(item)
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standard_keyshuffle_players = set()
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# fill in gtower locations with trash first
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for player in world.get_game_players("A Link to the Past"):
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if not gftower_trash or not world.ganonstower_vanilla[player] or \
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world.logic[player] in {'owglitches', 'hybridglitches', "nologic"}:
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gtower_trash_count = 0
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elif 'triforcehunt' in world.goal[player] and ('local' in world.goal[player] or world.players == 1):
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gtower_trash_count = world.random.randint(world.crystals_needed_for_gt[player] * 2,
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world.crystals_needed_for_gt[player] * 4)
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else:
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gtower_trash_count = world.random.randint(0, world.crystals_needed_for_gt[player] * 2)
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if gtower_trash_count:
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gtower_locations = [location for location in fill_locations if
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'Ganons Tower' in location.name and location.player == player]
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world.random.shuffle(gtower_locations)
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trashcnt = 0
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localrest = localrestitempool[player]
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if localrest:
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gt_item_pool = restitempool + localrest
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world.random.shuffle(gt_item_pool)
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else:
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gt_item_pool = restitempool.copy()
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while gtower_locations and gt_item_pool and trashcnt < gtower_trash_count:
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spot_to_fill = gtower_locations.pop()
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item_to_place = gt_item_pool.pop()
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if item_to_place in localrest:
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localrest.remove(item_to_place)
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else:
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restitempool.remove(item_to_place)
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world.push_item(spot_to_fill, item_to_place, False)
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fill_locations.remove(spot_to_fill)
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trashcnt += 1
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if world.mode[player] == 'standard' and world.keyshuffle[player] is True:
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standard_keyshuffle_players.add(player)
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# Make sure the escape small key is placed first in standard with key shuffle to prevent running out of spots
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if standard_keyshuffle_players:
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progitempool.sort(
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key=lambda item: 1 if item.name == 'Small Key (Hyrule Castle)' and
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item.player in standard_keyshuffle_players else 0)
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world.random.shuffle(fill_locations)
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fill_restrictive(world, world.state, fill_locations, progitempool)
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if nonexcludeditempool:
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world.random.shuffle(fill_locations)
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fill_restrictive(world, world.state, fill_locations, nonexcludeditempool) # needs logical fill to not conflict with local items
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if any(localrestitempool.values()): # we need to make sure some fills are limited to certain worlds
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local_locations = {player: [] for player in world.player_ids}
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for location in fill_locations:
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local_locations[location.player].append(location)
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for locations in local_locations.values():
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world.random.shuffle(locations)
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for player, items in localrestitempool.items(): # items already shuffled
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player_local_locations = local_locations[player]
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for item_to_place in items:
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if not player_local_locations:
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logging.warning(f"Ran out of local locations for player {player}, "
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f"cannot place {item_to_place}.")
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break
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spot_to_fill = player_local_locations.pop()
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world.push_item(spot_to_fill, item_to_place, False)
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fill_locations.remove(spot_to_fill)
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world.random.shuffle(fill_locations)
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restitempool, fill_locations = fast_fill(world, restitempool, fill_locations)
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unplaced = [item for item in progitempool + restitempool]
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unfilled = [location.name for location in fill_locations]
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for location in fill_locations:
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world.push_item(location, ItemFactory('Nothing', location.player), False)
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if unplaced or unfilled:
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logging.warning(f'Unplaced items({len(unplaced)}): {unplaced} - Unfilled Locations({len(unfilled)}): {unfilled}')
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def fast_fill(world: MultiWorld, item_pool: typing.List, fill_locations: typing.List) -> typing.Tuple[typing.List, typing.List]:
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placing = min(len(item_pool), len(fill_locations))
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for item, location in zip(item_pool, fill_locations):
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world.push_item(location, item, False)
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return item_pool[placing:], fill_locations[placing:]
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def flood_items(world: MultiWorld):
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# get items to distribute
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world.random.shuffle(world.itempool)
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itempool = world.itempool
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progress_done = False
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# sweep once to pick up preplaced items
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world.state.sweep_for_events()
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# fill world from top of itempool while we can
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while not progress_done:
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location_list = world.get_unfilled_locations()
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world.random.shuffle(location_list)
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spot_to_fill = None
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for location in location_list:
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if location.can_fill(world.state, itempool[0]):
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spot_to_fill = location
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break
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if spot_to_fill:
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item = itempool.pop(0)
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world.push_item(spot_to_fill, item, True)
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continue
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# ran out of spots, check if we need to step in and correct things
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if len(world.get_reachable_locations()) == len(world.get_locations()):
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progress_done = True
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continue
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# need to place a progress item instead of an already placed item, find candidate
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item_to_place = None
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candidate_item_to_place = None
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for item in itempool:
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if item.advancement:
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candidate_item_to_place = item
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if world.unlocks_new_location(item):
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item_to_place = item
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break
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# we might be in a situation where all new locations require multiple items to reach. If that is the case, just place any advancement item we've found and continue trying
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if item_to_place is None:
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if candidate_item_to_place is not None:
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item_to_place = candidate_item_to_place
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else:
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raise FillError('No more progress items left to place.')
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# find item to replace with progress item
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location_list = world.get_reachable_locations()
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world.random.shuffle(location_list)
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for location in location_list:
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if location.item is not None and not location.item.advancement and not location.item.smallkey and not location.item.bigkey:
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# safe to replace
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replace_item = location.item
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replace_item.location = None
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itempool.append(replace_item)
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world.push_item(location, item_to_place, True)
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itempool.remove(item_to_place)
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break
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def balance_multiworld_progression(world: MultiWorld):
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balanceable_players = {player for player in range(1, world.players + 1) if world.progression_balancing[player]}
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if not balanceable_players:
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logging.info('Skipping multiworld progression balancing.')
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else:
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logging.info(f'Balancing multiworld progression for {len(balanceable_players)} Players.')
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state = CollectionState(world)
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checked_locations = set()
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unchecked_locations = set(world.get_locations())
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reachable_locations_count = {player: 0 for player in world.player_ids}
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def get_sphere_locations(sphere_state, locations):
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sphere_state.sweep_for_events(key_only=True, locations=locations)
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return {loc for loc in locations if sphere_state.can_reach(loc)}
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while True:
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sphere_locations = get_sphere_locations(state, unchecked_locations)
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for location in sphere_locations:
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unchecked_locations.remove(location)
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reachable_locations_count[location.player] += 1
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if checked_locations:
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threshold = max(reachable_locations_count.values()) - 20
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balancing_players = {player for player, reachables in reachable_locations_count.items() if
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reachables < threshold and player in balanceable_players}
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if balancing_players:
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balancing_state = state.copy()
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balancing_unchecked_locations = unchecked_locations.copy()
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balancing_reachables = reachable_locations_count.copy()
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balancing_sphere = sphere_locations.copy()
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candidate_items = collections.defaultdict(set)
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while True:
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for location in balancing_sphere:
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if location.event:
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balancing_state.collect(location.item, True, location)
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player = location.item.player
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# only replace items that end up in another player's world
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if not location.locked and player in balancing_players and location.player != player:
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candidate_items[player].add(location)
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balancing_sphere = get_sphere_locations(balancing_state, balancing_unchecked_locations)
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for location in balancing_sphere:
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balancing_unchecked_locations.remove(location)
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balancing_reachables[location.player] += 1
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if world.has_beaten_game(balancing_state) or all(
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reachables >= threshold for reachables in balancing_reachables.values()):
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break
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elif not balancing_sphere:
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raise RuntimeError('Not all required items reachable. Something went terribly wrong here.')
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unlocked_locations = collections.defaultdict(set)
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for l in unchecked_locations:
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if l not in balancing_unchecked_locations:
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unlocked_locations[l.player].add(l)
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items_to_replace = []
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for player in balancing_players:
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locations_to_test = unlocked_locations[player]
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items_to_test = candidate_items[player]
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while items_to_test:
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testing = items_to_test.pop()
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reducing_state = state.copy()
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for location in itertools.chain((l for l in items_to_replace if l.item.player == player),
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items_to_test):
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reducing_state.collect(location.item, True, location)
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reducing_state.sweep_for_events(locations=locations_to_test)
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if world.has_beaten_game(balancing_state):
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if not world.has_beaten_game(reducing_state):
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items_to_replace.append(testing)
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else:
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reduced_sphere = get_sphere_locations(reducing_state, locations_to_test)
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if reachable_locations_count[player] + len(reduced_sphere) < threshold:
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items_to_replace.append(testing)
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replaced_items = False
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# sort then shuffle to maintain deterministic behaviour,
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# while allowing use of set for better algorithm growth behaviour elsewhere
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replacement_locations = sorted(l for l in checked_locations if not l.event and not l.locked)
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world.random.shuffle(replacement_locations)
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items_to_replace.sort()
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world.random.shuffle(items_to_replace)
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while replacement_locations and items_to_replace:
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old_location = items_to_replace.pop()
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for new_location in replacement_locations:
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if new_location.can_fill(state, old_location.item, False) and \
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old_location.can_fill(state, new_location.item, False):
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replacement_locations.remove(new_location)
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swap_location_item(old_location, new_location)
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logging.debug(f"Progression balancing moved {new_location.item} to {new_location}, "
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f"displacing {old_location.item} into {old_location}")
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state.collect(new_location.item, True, new_location)
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replaced_items = True
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break
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else:
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logging.warning(f"Could not Progression Balance {old_location.item}")
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if replaced_items:
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unlocked = {fresh for player in balancing_players for fresh in unlocked_locations[player]}
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for location in get_sphere_locations(state, unlocked):
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unchecked_locations.remove(location)
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reachable_locations_count[location.player] += 1
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sphere_locations.add(location)
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for location in sphere_locations:
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if location.event:
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state.collect(location.item, True, location)
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checked_locations |= sphere_locations
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if world.has_beaten_game(state):
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break
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elif not sphere_locations:
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logging.warning("Progression Balancing ran out of paths.")
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break
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def swap_location_item(location_1: Location, location_2: Location, check_locked=True):
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"""Swaps Items of locations. Does NOT swap flags like shop_slot or locked, but does swap event"""
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if check_locked:
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if location_1.locked:
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logging.warning(f"Swapping {location_1}, which is marked as locked.")
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if location_2.locked:
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logging.warning(f"Swapping {location_2}, which is marked as locked.")
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location_2.item, location_1.item = location_1.item, location_2.item
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location_1.item.location = location_1
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location_2.item.location = location_2
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location_1.event, location_2.event = location_2.event, location_1.event
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def distribute_planned(world: MultiWorld):
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world_name_lookup = world.world_name_lookup
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for player in world.player_ids:
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try:
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placement: PlandoItem
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for placement in world.plando_items[player]:
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if placement.location in key_drop_data:
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placement.warn(
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f"Can't place '{placement.item}' at '{placement.location}', as key drop shuffle locations are not supported yet.")
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continue
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item = ItemFactory(placement.item, player)
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target_world: int = placement.world
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if target_world is False or world.players == 1:
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target_world = player # in own world
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elif target_world is True: # in any other world
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unfilled = list(location for location in world.get_unfilled_locations_for_players(
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placement.location,
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set(world.player_ids) - {player}) if location.item_rule(item)
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)
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if not unfilled:
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placement.failed(f"Could not find a world with an unfilled location {placement.location}",
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FillError)
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continue
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target_world = world.random.choice(unfilled).player
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elif target_world is None: # any random world
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unfilled = list(location for location in world.get_unfilled_locations_for_players(
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placement.location,
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set(world.player_ids)) if location.item_rule(item)
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)
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if not unfilled:
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placement.failed(f"Could not find a world with an unfilled location {placement.location}",
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FillError)
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continue
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target_world = world.random.choice(unfilled).player
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elif type(target_world) == int: # target world by player id
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if target_world not in range(1, world.players + 1):
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placement.failed(
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f"Cannot place item in world {target_world} as it is not in range of (1, {world.players})",
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ValueError)
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continue
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else: # find world by name
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if target_world not in world_name_lookup:
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placement.failed(f"Cannot place item to {target_world}'s world as that world does not exist.",
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ValueError)
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continue
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target_world = world_name_lookup[target_world]
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location = world.get_location(placement.location, target_world)
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if location.item:
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placement.failed(f"Cannot place item into already filled location {location}.")
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continue
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if location.can_fill(world.state, item, False):
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world.push_item(location, item, collect=False)
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location.event = True # flag location to be checked during fill
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location.locked = True
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logging.debug(f"Plando placed {item} at {location}")
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else:
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placement.failed(f"Can't place {item} at {location} due to fill condition not met.")
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continue
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if placement.from_pool: # Should happen AFTER the item is placed, in case it was allowed to skip failed placement.
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try:
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world.itempool.remove(item)
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except ValueError:
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placement.warn(f"Could not remove {item} from pool as it's already missing from it.")
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except Exception as e:
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raise Exception(f"Error running plando for player {player} ({world.player_name[player]})") from e
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