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Fill: Priority locks when placing and does not swap. (#1099) 

Co-authored-by: black-sliver <59490463+black-sliver@users.noreply.github.com>
This commit is contained in:
Fabian Dill 2022-10-18 01:07:06 +02:00 committed by GitHub
parent 1aa3e431c8
commit af0cfc5a38
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1 changed files with 67 additions and 54 deletions
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121
Fill.py
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@ -23,7 +23,8 @@ def sweep_from_pool(base_state: CollectionState, itempool: typing.Sequence[Item]
def fill_restrictive(world: MultiWorld, base_state: CollectionState, locations: typing.List[Location],
itempool: typing.List[Item], single_player_placement: bool = False, lock: bool = False) -> None:
itempool: typing.List[Item], single_player_placement: bool = False, lock: bool = False,
swap: bool = True, on_place: typing.Optional[typing.Callable[[Location], None]] = None) -> None:
unplaced_items: typing.List[Item] = []
placements: typing.List[Location] = []
@ -70,61 +71,66 @@ def fill_restrictive(world: MultiWorld, base_state: CollectionState, locations:
else:
# we filled all reachable spots.
# try swapping this item with previously placed items
for (i, location) in enumerate(placements):
placed_item = location.item
# Unplaceable items can sometimes be swapped infinitely. Limit the
# number of times we will swap an individual item to prevent this
swap_count = swapped_items[placed_item.player,
placed_item.name]
if swap_count > 1:
if swap:
# try swapping this item with previously placed items
for (i, location) in enumerate(placements):
placed_item = location.item
# Unplaceable items can sometimes be swapped infinitely. Limit the
# number of times we will swap an individual item to prevent this
swap_count = swapped_items[placed_item.player,
placed_item.name]
if swap_count > 1:
continue
location.item = None
placed_item.location = None
swap_state = sweep_from_pool(base_state, [placed_item])
# swap_state assumes we can collect placed item before item_to_place
if (not single_player_placement or location.player == item_to_place.player) \
and location.can_fill(swap_state, item_to_place, perform_access_check):
# Verify that placing this item won't reduce available locations, which could happen with rules
# that want to not have both items. Left in until removal is proven useful.
prev_state = swap_state.copy()
prev_loc_count = len(
world.get_reachable_locations(prev_state))
swap_state.collect(item_to_place, True)
new_loc_count = len(
world.get_reachable_locations(swap_state))
if new_loc_count >= prev_loc_count:
# Add this item to the existing placement, and
# add the old item to the back of the queue
spot_to_fill = placements.pop(i)
swap_count += 1
swapped_items[placed_item.player,
placed_item.name] = swap_count
reachable_items[placed_item.player].appendleft(
placed_item)
itempool.append(placed_item)
break
# Item can't be placed here, restore original item
location.item = placed_item
placed_item.location = location
if spot_to_fill is None:
# Can't place this item, move on to the next
unplaced_items.append(item_to_place)
continue
location.item = None
placed_item.location = None
swap_state = sweep_from_pool(base_state, [placed_item])
# swap_state assumes we can collect placed item before item_to_place
if (not single_player_placement or location.player == item_to_place.player) \
and location.can_fill(swap_state, item_to_place, perform_access_check):
# Verify that placing this item won't reduce available locations, which could happen with rules
# that want to not have both items. Left in until removal is proven useful.
prev_state = swap_state.copy()
prev_loc_count = len(
world.get_reachable_locations(prev_state))
swap_state.collect(item_to_place, True)
new_loc_count = len(
world.get_reachable_locations(swap_state))
if new_loc_count >= prev_loc_count:
# Add this item to the existing placement, and
# add the old item to the back of the queue
spot_to_fill = placements.pop(i)
swap_count += 1
swapped_items[placed_item.player,
placed_item.name] = swap_count
reachable_items[placed_item.player].appendleft(
placed_item)
itempool.append(placed_item)
break
# Item can't be placed here, restore original item
location.item = placed_item
placed_item.location = location
if spot_to_fill is None:
# Can't place this item, move on to the next
else:
unplaced_items.append(item_to_place)
continue
world.push_item(spot_to_fill, item_to_place, False)
spot_to_fill.locked = lock
placements.append(spot_to_fill)
spot_to_fill.event = item_to_place.advancement
if on_place:
on_place(spot_to_fill)
if len(unplaced_items) > 0 and len(locations) > 0:
# There are leftover unplaceable items and locations that won't accept them
@ -272,19 +278,26 @@ def distribute_items_restrictive(world: MultiWorld) -> None:
defaultlocations = locations[LocationProgressType.DEFAULT]
excludedlocations = locations[LocationProgressType.EXCLUDED]
prioritylocations_lock = prioritylocations.copy()
# can't lock due to accessibility corrections touching things, so we remember which ones got placed and lock later
lock_later = []
fill_restrictive(world, world.state, prioritylocations, progitempool)
def mark_for_locking(location: Location):
nonlocal lock_later
lock_later.append(location)
# "priority fill"
fill_restrictive(world, world.state, prioritylocations, progitempool, swap=False, on_place=mark_for_locking)
accessibility_corrections(world, world.state, prioritylocations, progitempool)
for location in prioritylocations_lock:
if location.item:
location.locked = True
for location in lock_later:
location.locked = True
del mark_for_locking, lock_later
if prioritylocations:
defaultlocations = prioritylocations + defaultlocations
if progitempool:
# "progression fill"
fill_restrictive(world, world.state, defaultlocations, progitempool)
if progitempool:
raise FillError(