Files
Grinch-AP/worlds/messenger/transitions.py
Aaron Wagener 2c8dded52f The Messenger: Fix some transition plando issues (#4720)
* don't allow one-way and two-way entrances to be connected to each other

* add special handling for the tower hq nodes since they share the same parent region
2025-03-10 22:13:49 -04:00

102 lines
4.2 KiB
Python

from typing import TYPE_CHECKING
from BaseClasses import Region
from entrance_rando import EntranceType, randomize_entrances
from .connections import RANDOMIZED_CONNECTIONS, TRANSITIONS
from .options import ShuffleTransitions, TransitionPlando
if TYPE_CHECKING:
from . import MessengerWorld
def connect_plando(world: "MessengerWorld", plando_connections: TransitionPlando) -> None:
def remove_dangling_exit(region: Region) -> None:
# find the disconnected exit and remove references to it
for _exit in region.exits:
if not _exit.connected_region:
break
else:
raise ValueError(f"Unable to find randomized transition for {plando_connection}")
region.exits.remove(_exit)
def remove_dangling_entrance(region: Region) -> None:
# find the disconnected entrance and remove references to it
for _entrance in region.entrances:
if not _entrance.parent_region:
break
else:
raise ValueError(f"Invalid target region for {plando_connection}")
region.entrances.remove(_entrance)
for plando_connection in plando_connections:
# get the connecting regions
# need to handle these special because the names are unique but have the same parent region
if plando_connection.entrance in ("Artificer", "Tower HQ"):
reg1 = world.get_region("Tower HQ")
if plando_connection.entrance == "Artificer":
dangling_exit = world.get_entrance("Artificer's Portal")
else:
dangling_exit = world.get_entrance("Artificer's Challenge")
reg1.exits.remove(dangling_exit)
else:
reg1 = world.get_region(plando_connection.entrance)
remove_dangling_exit(reg1)
reg2 = world.get_region(plando_connection.exit)
remove_dangling_entrance(reg2)
# connect the regions
reg1.connect(reg2)
# pretend the user set the plando direction as "both" regardless of what they actually put on coupled
if ((world.options.shuffle_transitions == ShuffleTransitions.option_coupled
or plando_connection.direction == "both")
and plando_connection.exit in RANDOMIZED_CONNECTIONS):
remove_dangling_exit(reg2)
remove_dangling_entrance(reg1)
reg2.connect(reg1)
def shuffle_transitions(world: "MessengerWorld") -> None:
coupled = world.options.shuffle_transitions == ShuffleTransitions.option_coupled
def disconnect_entrance() -> None:
child_region.entrances.remove(entrance)
entrance.connected_region = None
er_type = EntranceType.ONE_WAY if child == "Glacial Peak - Left" else \
EntranceType.TWO_WAY if child in RANDOMIZED_CONNECTIONS else EntranceType.ONE_WAY
if er_type == EntranceType.TWO_WAY:
mock_entrance = parent_region.create_er_target(entrance.name)
else:
mock_entrance = child_region.create_er_target(child)
entrance.randomization_type = er_type
mock_entrance.randomization_type = er_type
for parent, child in RANDOMIZED_CONNECTIONS.items():
if child == "Corrupted Future":
entrance = world.get_entrance("Artificer's Portal")
elif child == "Tower of Time - Left":
entrance = world.get_entrance("Artificer's Challenge")
else:
entrance = world.get_entrance(f"{parent} -> {child}")
parent_region = entrance.parent_region
child_region = entrance.connected_region
entrance.world = world
disconnect_entrance()
plando = world.options.plando_connections
if plando:
connect_plando(world, plando)
result = randomize_entrances(world, coupled, {0: [0]})
world.transitions = sorted(result.placements, key=lambda entrance: TRANSITIONS.index(entrance.parent_region.name))
for transition in world.transitions:
if "->" not in transition.name:
continue
transition.parent_region.exits.remove(transition)
transition.name = f"{transition.parent_region.name} -> {transition.connected_region.name}"
transition.parent_region.exits.append(transition)