Dan Albert 12f420f50e Pre-emptive Python 3.10 compat.
Iterator is no longer exposed directly in collections, but is in
collections.abc.
2021-11-20 18:49:14 -08:00

20 lines
791 B
Python

from collections.abc import Iterator
from dataclasses import dataclass
from game.commander.tasks.primitive.cas import PlanCas
from game.commander.tasks.primitive.defensivestance import DefensiveStance
from game.commander.tasks.primitive.retreatstance import RetreatStance
from game.commander.theaterstate import TheaterState
from game.htn import CompoundTask, Method
from game.theater import FrontLine
@dataclass(frozen=True)
class DefendBase(CompoundTask[TheaterState]):
front_line: FrontLine
def each_valid_method(self, state: TheaterState) -> Iterator[Method[TheaterState]]:
yield [DefensiveStance(self.front_line, state.context.coalition.player)]
yield [RetreatStance(self.front_line, state.context.coalition.player)]
yield [PlanCas(self.front_line)]