133 lines
		
	
	
		
			6.9 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			133 lines
		
	
	
		
			6.9 KiB
		
	
	
	
		
			Python
		
	
	
	
from typing import TYPE_CHECKING
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from BaseClasses import CollectionState, Location, Entrance
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from worlds.generic.Rules import set_rule
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from .Constants import *
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if TYPE_CHECKING:
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    from . import SavingPrincessWorld
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def set_rules(world: "SavingPrincessWorld"):
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    def get_location(name: str) -> Location:
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        return world.get_location(name)
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    def get_region_entrance(name: str) -> Entrance:
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        return world.get_entrance(f"{name} entrance")
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    def can_hover(state: CollectionState) -> bool:
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        # portia can hover if she has a weapon other than the powered blaster and 4 reload speed upgrades
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        return (
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                state.has(ITEM_RELOAD_SPEED, world.player, 4)
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                and state.has_any({ITEM_WEAPON_FIRE, ITEM_WEAPON_ICE, ITEM_WEAPON_VOLT}, world.player)
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        )
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    # guarantees that the player will have some upgrades before having to face the area bosses, except for cave
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    def nice_check(state: CollectionState) -> bool:
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        return (
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                state.has(ITEM_MAX_HEALTH, world.player)
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                and state.has(ITEM_MAX_AMMO, world.player)
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                and state.has(ITEM_RELOAD_SPEED, world.player, 2)
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        )
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    # same as above, but for the final area
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    def super_nice_check(state: CollectionState) -> bool:
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        return (
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                state.has(ITEM_MAX_HEALTH, world.player, 2)
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                and state.has(ITEM_MAX_AMMO, world.player, 2)
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                and state.has(ITEM_RELOAD_SPEED, world.player, 4)
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                and state.has(ITEM_WEAPON_CHARGE, world.player)
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                # at least one special weapon, other than powered blaster
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                and state.has_any({ITEM_WEAPON_FIRE, ITEM_WEAPON_ICE, ITEM_WEAPON_VOLT}, world.player)
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        )
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    # all special weapons required so that the boss' weapons can be targeted
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    def all_weapons(state: CollectionState) -> bool:
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        return state.has_all({ITEM_WEAPON_FIRE, ITEM_WEAPON_ICE, ITEM_WEAPON_VOLT}, world.player)
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    def is_gate_unlocked(state: CollectionState) -> bool:
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        # the gate unlocks with all 4 boss keys, although this only applies to extended pool
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        if world.is_pool_expanded:
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            # in expanded, the final area requires all the boss keys
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            return (
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                    state.has_all(
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                        {EP_ITEM_GUARD_GONE, EP_ITEM_CLIFF_GONE, EP_ITEM_ACE_GONE, EP_ITEM_SNAKE_GONE},
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                        world.player
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                    ) and super_nice_check(state)
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            )
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        else:
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            # in base pool, check that the main area bosses can be defeated
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            return state.has_all(
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                        {EVENT_ITEM_GUARD_GONE, EVENT_ITEM_CLIFF_GONE, EVENT_ITEM_ACE_GONE, EVENT_ITEM_SNAKE_GONE},
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                        world.player
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                    ) and super_nice_check(state)
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    def is_power_on(state: CollectionState) -> bool:
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        # in expanded pool, the power item is what determines this, else it happens when the generator is powered
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        return state.has(EP_ITEM_POWER_ON if world.is_pool_expanded else EVENT_ITEM_POWER_ON, world.player)
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    # set the location rules
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    # this is behind the blast door to arctic
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    set_rule(get_location(LOCATION_HUB_AMMO), lambda state: state.has(ITEM_WEAPON_CHARGE, world.player))
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    # these are behind frozen doors
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    for location_name in [LOCATION_ARCTIC_HEALTH, LOCATION_JACKET]:
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        set_rule(get_location(location_name), lambda state: state.has(ITEM_WEAPON_FIRE, world.player))
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    # these would require damage boosting otherwise
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    set_rule(get_location(LOCATION_VOLCANIC_RELOAD),
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             lambda state: state.has(ITEM_WEAPON_ICE, world.player) or can_hover(state))
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    set_rule(get_location(LOCATION_SWAMP_AMMO), lambda state: can_hover(state))
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    if world.is_pool_expanded:
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        # does not spawn until the guard has been defeated
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        set_rule(get_location(EP_LOCATION_HUB_NINJA_SCARE), lambda state: state.has(EP_ITEM_GUARD_GONE, world.player))
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    # generator cannot be turned on without the volt laser
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    set_rule(
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        get_location(EP_LOCATION_ELECTRICAL_EXTRA if world.is_pool_expanded else EVENT_LOCATION_POWER_ON),
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        lambda state: state.has(ITEM_WEAPON_VOLT, world.player)
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    )
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    # the roller is not very intuitive to get past without 4 ammo
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    set_rule(get_location(LOCATION_CAVE_WEAPON), lambda state: state.has(ITEM_MAX_AMMO, world.player))
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    set_rule(
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        get_location(EP_LOCATION_CAVE_BOSS if world.is_pool_expanded else EVENT_LOCATION_GUARD_GONE),
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        lambda state: state.has(ITEM_MAX_AMMO, world.player)
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    )
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    # guarantee some upgrades to be found before bosses
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    boss_locations = [LOCATION_VOLCANIC_WEAPON, LOCATION_ARCTIC_WEAPON, LOCATION_SWAMP_SPECIAL]
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    if world.is_pool_expanded:
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        boss_locations += [EP_LOCATION_VOLCANIC_BOSS, EP_LOCATION_ARCTIC_BOSS, EP_LOCATION_SWAMP_BOSS]
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    else:
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        boss_locations += [EVENT_LOCATION_CLIFF_GONE, EVENT_LOCATION_ACE_GONE, EVENT_LOCATION_SNAKE_GONE]
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    for location_name in boss_locations:
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        set_rule(get_location(location_name), lambda state: nice_check(state))
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    # set the basic access rules for the regions, these are all behind blast doors
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    for region_name in [REGION_VOLCANIC, REGION_ARCTIC, REGION_SWAMP]:
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        set_rule(get_region_entrance(region_name), lambda state: state.has(ITEM_WEAPON_CHARGE, world.player))
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    # now for the final area regions, which have different rules based on if ep is on
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    set_rule(get_region_entrance(REGION_ELECTRICAL), lambda state: is_gate_unlocked(state))
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    set_rule(get_region_entrance(REGION_ELECTRICAL_POWERED), lambda state: is_power_on(state))
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    # brainos requires all weapons, cannot destroy the cannons otherwise
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    if world.is_pool_expanded:
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        set_rule(get_location(EP_LOCATION_ELECTRICAL_FINAL_BOSS), lambda state: all_weapons(state))
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    # and we need to beat brainos to beat the game
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    set_rule(get_location(EVENT_LOCATION_VICTORY), lambda state: all_weapons(state))
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    # if not expanded pool, place the events for the boss kills and generator
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    if not world.is_pool_expanded:
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        # accessible with no items
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        cave_item = world.create_item(EVENT_ITEM_GUARD_GONE)
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        get_location(EVENT_LOCATION_GUARD_GONE).place_locked_item(cave_item)
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        volcanic_item = world.create_item(EVENT_ITEM_CLIFF_GONE)
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        get_location(EVENT_LOCATION_CLIFF_GONE).place_locked_item(volcanic_item)
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        arctic_item = world.create_item(EVENT_ITEM_ACE_GONE)
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        get_location(EVENT_LOCATION_ACE_GONE).place_locked_item(arctic_item)
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        swamp_item = world.create_item(EVENT_ITEM_SNAKE_GONE)
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        get_location(EVENT_LOCATION_SNAKE_GONE).place_locked_item(swamp_item)
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        power_item = world.create_item(EVENT_ITEM_POWER_ON)
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        get_location(EVENT_LOCATION_POWER_ON).place_locked_item(power_item)
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    # and, finally, set the victory event
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    victory_item = world.create_item(EVENT_ITEM_VICTORY)
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    get_location(EVENT_LOCATION_VICTORY).place_locked_item(victory_item)
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    world.multiworld.completion_condition[world.player] = lambda state: state.has(EVENT_ITEM_VICTORY, world.player)
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