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769fe12159
During package planning we don't care about the details of the flight plan, just the layout (to check if the layout is threatened and we need escorts). Splitting these will allow us to reduce the amount of work that must be done in each loop of the planning phase, potentially caching attempted flight plans between loops.
68 lines
2.2 KiB
Python
68 lines
2.2 KiB
Python
from __future__ import annotations
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import random
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from datetime import timedelta
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from typing import Type
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from game.theater import FrontLine
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from game.utils import Distance, Speed, feet
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from .capbuilder import CapBuilder
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from .invalidobjectivelocation import InvalidObjectiveLocation
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from .patrolling import PatrollingFlightPlan, PatrollingLayout
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from .waypointbuilder import WaypointBuilder
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class Builder(CapBuilder):
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def build(self) -> PatrollingLayout:
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location = self.package.target
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if isinstance(location, FrontLine):
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raise InvalidObjectiveLocation(self.flight.flight_type, location)
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start_pos, end_pos = self.cap_racetrack_for_objective(location, barcap=True)
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preferred_alt = self.flight.unit_type.preferred_patrol_altitude
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randomized_alt = preferred_alt + feet(random.randint(-2, 1) * 1000)
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patrol_alt = max(
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self.doctrine.min_patrol_altitude,
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min(self.doctrine.max_patrol_altitude, randomized_alt),
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)
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builder = WaypointBuilder(self.flight, self.coalition)
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start, end = builder.race_track(start_pos, end_pos, patrol_alt)
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return PatrollingLayout(
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departure=builder.takeoff(self.flight.departure),
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nav_to=builder.nav_path(
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self.flight.departure.position, start.position, patrol_alt
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),
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nav_from=builder.nav_path(
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end.position, self.flight.arrival.position, patrol_alt
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),
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patrol_start=start,
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patrol_end=end,
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arrival=builder.land(self.flight.arrival),
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divert=builder.divert(self.flight.divert),
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bullseye=builder.bullseye(),
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)
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class BarCapFlightPlan(PatrollingFlightPlan[PatrollingLayout]):
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@staticmethod
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def builder_type() -> Type[Builder]:
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return Builder
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@property
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def patrol_duration(self) -> timedelta:
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return self.flight.coalition.doctrine.cap_duration
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@property
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def patrol_speed(self) -> Speed:
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return self.flight.unit_type.preferred_patrol_speed(
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self.layout.patrol_start.alt
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)
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@property
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def engagement_distance(self) -> Distance:
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return self.flight.coalition.doctrine.cap_engagement_range
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