149 lines
5.9 KiB
Python
149 lines
5.9 KiB
Python
"""
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Defines Region for The Witness, assigns locations to them,
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and connects them with the proper requirements
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"""
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from typing import FrozenSet, TYPE_CHECKING, Dict, Tuple, List
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from BaseClasses import Entrance, Region
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from Utils import KeyedDefaultDict
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from .static_logic import StaticWitnessLogic
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from .locations import WitnessPlayerLocations, StaticWitnessLocations
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from .player_logic import WitnessPlayerLogic
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if TYPE_CHECKING:
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from . import WitnessWorld
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class WitnessRegions:
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"""Class that defines Witness Regions"""
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locat = None
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logic = None
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@staticmethod
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def make_lambda(item_requirement: FrozenSet[FrozenSet[str]], world: "WitnessWorld"):
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from .rules import _meets_item_requirements
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"""
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Lambdas are made in a for loop, so the values have to be captured
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This function is for that purpose
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"""
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return _meets_item_requirements(item_requirement, world)
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def connect_if_possible(self, world: "WitnessWorld", source: str, target: str, req: FrozenSet[FrozenSet[str]],
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regions_by_name: Dict[str, Region], backwards: bool = False):
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"""
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connect two regions and set the corresponding requirement
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"""
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# Remove any possibilities where being in the target region would be required anyway.
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real_requirement = frozenset({option for option in req if target not in option})
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# There are some connections that should only be done one way. If this is a backwards connection, check for that
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if backwards:
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real_requirement = frozenset({option for option in real_requirement if "TrueOneWay" not in option})
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# Dissolve any "True" or "TrueOneWay"
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real_requirement = frozenset({option - {"True", "TrueOneWay"} for option in real_requirement})
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# If there is no way to actually use this connection, don't even bother making it.
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if not real_requirement:
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return
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# We don't need to check for the accessibility of the source region.
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final_requirement = frozenset({option - frozenset({source}) for option in real_requirement})
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source_region = regions_by_name[source]
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target_region = regions_by_name[target]
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backwards = " Backwards" if backwards else ""
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connection_name = source + " to " + target + backwards
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connection = Entrance(
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world.player,
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connection_name,
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source_region
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)
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connection.access_rule = self.make_lambda(final_requirement, world)
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source_region.exits.append(connection)
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connection.connect(target_region)
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self.created_entrances[source, target].append(connection)
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# Register any necessary indirect connections
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mentioned_regions = {
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single_unlock for option in final_requirement for single_unlock in option
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if single_unlock in self.reference_logic.ALL_REGIONS_BY_NAME
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}
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for dependent_region in mentioned_regions:
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world.multiworld.register_indirect_condition(regions_by_name[dependent_region], connection)
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def create_regions(self, world: "WitnessWorld", player_logic: WitnessPlayerLogic):
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"""
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Creates all the regions for The Witness
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"""
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from . import create_region
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all_locations = set()
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regions_by_name = dict()
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for region_name, region in self.reference_logic.ALL_REGIONS_BY_NAME.items():
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locations_for_this_region = [
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self.reference_logic.ENTITIES_BY_HEX[panel]["checkName"] for panel in region["panels"]
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if self.reference_logic.ENTITIES_BY_HEX[panel]["checkName"] in self.locat.CHECK_LOCATION_TABLE
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]
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locations_for_this_region += [
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StaticWitnessLocations.get_event_name(panel) for panel in region["panels"]
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if StaticWitnessLocations.get_event_name(panel) in self.locat.EVENT_LOCATION_TABLE
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]
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all_locations = all_locations | set(locations_for_this_region)
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new_region = create_region(world, region_name, self.locat, locations_for_this_region)
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regions_by_name[region_name] = new_region
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for region_name, region in self.reference_logic.ALL_REGIONS_BY_NAME.items():
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for connection in player_logic.CONNECTIONS_BY_REGION_NAME[region_name]:
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self.connect_if_possible(world, region_name, connection[0], connection[1], regions_by_name)
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self.connect_if_possible(world, connection[0], region_name, connection[1], regions_by_name, True)
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# find regions that are completely disconnected from the start node and remove them
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regions_to_check = {"Menu"}
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reachable_regions = {"Menu"}
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while regions_to_check:
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next_region = regions_to_check.pop()
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region_obj = regions_by_name[next_region]
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for exit in region_obj.exits:
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target = exit.connected_region
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if target.name in reachable_regions:
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continue
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regions_to_check.add(target.name)
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reachable_regions.add(target.name)
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self.created_regions = {k: v for k, v in regions_by_name.items() if k in reachable_regions}
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world.multiworld.regions += self.created_regions.values()
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def __init__(self, locat: WitnessPlayerLocations, world: "WitnessWorld"):
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difficulty = world.options.puzzle_randomization
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if difficulty == "sigma_normal":
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self.reference_logic = StaticWitnessLogic.sigma_normal
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elif difficulty == "sigma_expert":
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self.reference_logic = StaticWitnessLogic.sigma_expert
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elif difficulty == "none":
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self.reference_logic = StaticWitnessLogic.vanilla
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self.locat = locat
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self.created_entrances: Dict[Tuple[str, str], List[Entrance]] = KeyedDefaultDict(lambda _: [])
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self.created_regions: Dict[str, Region] = dict()
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