mirror of
https://github.com/dcs-retribution/dcs-retribution.git
synced 2025-11-10 15:41:24 +00:00
134 lines
4.5 KiB
Python
134 lines
4.5 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 dcs import Point
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from game.utils import Distance, Heading, feet, meters
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from .ibuilder import IBuilder
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from .patrolling import PatrollingLayout
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from .refuelingflightplan import RefuelingFlightPlan
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from .waypointbuilder import WaypointBuilder
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from ..flightwaypoint import FlightWaypoint
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from ..flightwaypointtype import FlightWaypointType
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class PackageRefuelingFlightPlan(RefuelingFlightPlan):
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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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# TODO: Only consider aircraft that can refuel with this tanker type.
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refuel_time_minutes = 5
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min_patrol_duration = refuel_time_minutes
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for self.flight in self.package.flights:
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flight_size = self.flight.roster.max_size
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refuel_time_minutes = refuel_time_minutes + 4 * flight_size + 1
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min_patrol_duration = (
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self.flight.coalition.game.settings.desired_tanker_on_station_time.seconds
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// 60
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)
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if refuel_time_minutes < min_patrol_duration:
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refuel_time_minutes = min_patrol_duration
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return timedelta(minutes=refuel_time_minutes)
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def target_area_waypoint(self) -> FlightWaypoint:
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return FlightWaypoint(
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"TARGET AREA",
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FlightWaypointType.TARGET_GROUP_LOC,
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self.package.target.position,
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meters(0),
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"RADIO",
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)
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@property
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def patrol_start_time(self) -> timedelta:
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altitude = self.flight.unit_type.patrol_altitude
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if altitude is None:
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altitude = Distance.from_feet(20000)
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assert self.package.waypoints is not None
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# Cheat in a FlightWaypoint for the split point.
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split: Point = self.package.waypoints.split
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split_waypoint: FlightWaypoint = FlightWaypoint(
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"SPLIT", FlightWaypointType.SPLIT, split, altitude
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)
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# Cheat in a FlightWaypoint for the refuel point.
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refuel: Point = self.package.waypoints.refuel
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refuel_waypoint: FlightWaypoint = FlightWaypoint(
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"REFUEL", FlightWaypointType.REFUEL, refuel, altitude
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)
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delay_target_to_split: timedelta = self.travel_time_between_waypoints(
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self.target_area_waypoint(), split_waypoint
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)
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delay_split_to_refuel: timedelta = self.travel_time_between_waypoints(
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split_waypoint, refuel_waypoint
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)
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return (
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self.package.time_over_target
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+ delay_target_to_split
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+ delay_split_to_refuel
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- timedelta(minutes=1.5)
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)
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class Builder(IBuilder[PackageRefuelingFlightPlan, PatrollingLayout]):
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def layout(self) -> PatrollingLayout:
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package_waypoints = self.package.waypoints
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assert package_waypoints is not None
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racetrack_half_distance = Distance.from_nautical_miles(20).meters
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racetrack_center = package_waypoints.refuel
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split_heading = Heading.from_degrees(
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racetrack_center.heading_between_point(package_waypoints.split)
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)
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home_heading = split_heading.opposite
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racetrack_start = racetrack_center.point_from_heading(
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split_heading.degrees, racetrack_half_distance
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)
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racetrack_end = racetrack_center.point_from_heading(
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home_heading.degrees, racetrack_half_distance
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)
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builder = WaypointBuilder(self.flight, self.coalition)
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tanker_type = self.flight.unit_type
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if tanker_type.patrol_altitude is not None:
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altitude = tanker_type.patrol_altitude
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else:
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altitude = feet(21000)
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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) -> PackageRefuelingFlightPlan:
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return PackageRefuelingFlightPlan(self.flight, self.layout())
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