mirror of
https://github.com/dcs-retribution/dcs-retribution.git
synced 2025-11-10 15:41:24 +00:00
9a73a10a09
The timing for these doesn't work. Sweep RTBs at the same time the package reaches its TOT. The tanker won't be on station until 1m30s before the package reaches the refueling point.
143 lines
4.4 KiB
Python
143 lines
4.4 KiB
Python
from __future__ import annotations
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from dataclasses import dataclass
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from datetime import timedelta
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from typing import Iterator, TYPE_CHECKING, Type
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from dcs import Point
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from game.utils import Heading
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from .ibuilder import IBuilder
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from .loiter import LoiterFlightPlan, LoiterLayout
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from .waypointbuilder import WaypointBuilder
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from ..traveltime import GroundSpeed, TravelTime
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from ...flightplan import HoldZoneGeometry
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if TYPE_CHECKING:
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from ..flightwaypoint import FlightWaypoint
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@dataclass(frozen=True)
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class SweepLayout(LoiterLayout):
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nav_to: list[FlightWaypoint]
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sweep_start: FlightWaypoint
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sweep_end: FlightWaypoint
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nav_from: list[FlightWaypoint]
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def iter_waypoints(self) -> Iterator[FlightWaypoint]:
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yield self.departure
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yield self.hold
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yield from self.nav_to
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yield self.sweep_start
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yield self.sweep_end
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yield from self.nav_from
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yield self.arrival
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if self.divert is not None:
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yield self.divert
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yield self.bullseye
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class SweepFlightPlan(LoiterFlightPlan):
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@property
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def lead_time(self) -> timedelta:
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return timedelta(minutes=5)
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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 combat_speed_waypoints(self) -> set[FlightWaypoint]:
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return {self.layout.sweep_end}
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@property
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def tot_waypoint(self) -> FlightWaypoint:
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return self.layout.sweep_end
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@property
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def tot_offset(self) -> timedelta:
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return -self.lead_time
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@property
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def sweep_start_time(self) -> timedelta:
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travel_time = self.travel_time_between_waypoints(
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self.layout.sweep_start, self.layout.sweep_end
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)
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return self.sweep_end_time - travel_time
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@property
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def sweep_end_time(self) -> timedelta:
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return self.tot
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def tot_for_waypoint(self, waypoint: FlightWaypoint) -> timedelta | None:
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if waypoint == self.layout.sweep_start:
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return self.sweep_start_time
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if waypoint == self.layout.sweep_end:
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return self.sweep_end_time
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return None
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def depart_time_for_waypoint(self, waypoint: FlightWaypoint) -> timedelta | None:
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if waypoint == self.layout.hold:
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return self.push_time
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return None
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@property
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def push_time(self) -> timedelta:
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return self.sweep_end_time - TravelTime.between_points(
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self.layout.hold.position,
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self.layout.sweep_end.position,
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GroundSpeed.for_flight(self.flight, self.layout.hold.alt),
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)
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@property
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def mission_departure_time(self) -> timedelta:
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return self.sweep_end_time
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class Builder(IBuilder[SweepFlightPlan, SweepLayout]):
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def layout(self) -> SweepLayout:
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assert self.package.waypoints is not None
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target = self.package.target.position
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heading = Heading.from_degrees(
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self.package.waypoints.join.heading_between_point(target)
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)
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start_pos = target.point_from_heading(
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heading.degrees, -self.doctrine.sweep_distance.meters
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)
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builder = WaypointBuilder(self.flight, self.coalition)
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start, end = builder.sweep(start_pos, target, self.doctrine.ingress_altitude)
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hold = builder.hold(self._hold_point())
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return SweepLayout(
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departure=builder.takeoff(self.flight.departure),
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hold=hold,
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nav_to=builder.nav_path(
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hold.position, start.position, self.doctrine.ingress_altitude
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),
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nav_from=builder.nav_path(
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end.position,
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self.flight.arrival.position,
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self.doctrine.ingress_altitude,
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),
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sweep_start=start,
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sweep_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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def _hold_point(self) -> Point:
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assert self.package.waypoints is not None
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origin = self.flight.departure.position
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target = self.package.target.position
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join = self.package.waypoints.join
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ip = self.package.waypoints.ingress
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return HoldZoneGeometry(
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target, origin, ip, join, self.coalition, self.theater
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).find_best_hold_point()
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def build(self) -> SweepFlightPlan:
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return SweepFlightPlan(self.flight, self.layout())
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