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4521053804
I'm working on moving the builder to be owned by the Flight, which will simplify callers that need to create (or recreate) flight plans for a flight.
95 lines
3.3 KiB
Python
95 lines
3.3 KiB
Python
from __future__ import annotations
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from datetime import timedelta
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from typing import Type
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from game.ato.flightplans.ibuilder import IBuilder
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from game.ato.flightplans.patrolling import PatrollingFlightPlan, PatrollingLayout
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from game.ato.flightplans.waypointbuilder import WaypointBuilder
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from game.utils import Distance, Heading, Speed, feet, knots, meters, nautical_miles
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class AewcFlightPlan(PatrollingFlightPlan[PatrollingLayout]):
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@property
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def patrol_duration(self) -> timedelta:
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return timedelta(hours=4)
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@property
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def patrol_speed(self) -> Speed:
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altitude = self.layout.patrol_start.alt
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if self.flight.unit_type.preferred_patrol_speed(altitude) is not None:
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return self.flight.unit_type.preferred_patrol_speed(altitude)
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return knots(390)
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@property
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def engagement_distance(self) -> Distance:
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# TODO: Factor out a common base of the combat and non-combat race-tracks.
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# No harm in setting this, but we ought to clean up a bit.
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return meters(0)
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@staticmethod
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def builder_type() -> Type[Builder]:
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return Builder
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class Builder(IBuilder[AewcFlightPlan, PatrollingLayout]):
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def layout(self) -> PatrollingLayout:
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racetrack_half_distance = nautical_miles(30).meters
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location = self.package.target
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closest_boundary = self.threat_zones.closest_boundary(location.position)
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heading_to_threat_boundary = Heading.from_degrees(
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location.position.heading_between_point(closest_boundary)
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)
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distance_to_threat = meters(
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location.position.distance_to_point(closest_boundary)
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)
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orbit_heading = heading_to_threat_boundary
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# Station 80nm outside the threat zone.
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threat_buffer = nautical_miles(80)
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if self.threat_zones.threatened(location.position):
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orbit_distance = distance_to_threat + threat_buffer
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else:
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orbit_distance = distance_to_threat - threat_buffer
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racetrack_center = location.position.point_from_heading(
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orbit_heading.degrees, orbit_distance.meters
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)
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racetrack_start = racetrack_center.point_from_heading(
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orbit_heading.right.degrees, racetrack_half_distance
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)
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racetrack_end = racetrack_center.point_from_heading(
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orbit_heading.left.degrees, racetrack_half_distance
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)
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builder = WaypointBuilder(self.flight, self.coalition)
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if self.flight.unit_type.patrol_altitude is not None:
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altitude = self.flight.unit_type.patrol_altitude
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else:
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altitude = feet(25000)
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racetrack = builder.race_track(racetrack_start, racetrack_end, altitude)
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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, racetrack_start, altitude
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),
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nav_from=builder.nav_path(
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racetrack_end, self.flight.arrival.position, altitude
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),
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patrol_start=racetrack[0],
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patrol_end=racetrack[1],
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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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def build(self) -> AewcFlightPlan:
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return AewcFlightPlan(self.flight, self.layout())
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