mirror of
https://github.com/dcs-liberation/dcs_liberation.git
synced 2025-11-10 14:22:26 +00:00
98 lines
3.0 KiB
Python
98 lines
3.0 KiB
Python
from __future__ import annotations
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from collections.abc import Iterator
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from dataclasses import dataclass
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from datetime import datetime
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from typing import TYPE_CHECKING, Type
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from game.utils import feet
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from .ibuilder import IBuilder
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from .standard import StandardFlightPlan, StandardLayout
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from .waypointbuilder import WaypointBuilder
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from ..flightstate import InFlight
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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 RtbLayout(StandardLayout):
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abort_location: FlightWaypoint
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nav_to_destination: 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.abort_location
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yield from self.nav_to_destination
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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 RtbFlightPlan(StandardFlightPlan[RtbLayout]):
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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 abort_index(self) -> int:
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return 1
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@property
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def tot_waypoint(self) -> FlightWaypoint:
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return self.layout.abort_location
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def tot_for_waypoint(self, waypoint: FlightWaypoint) -> datetime | None:
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return None
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def depart_time_for_waypoint(self, waypoint: FlightWaypoint) -> datetime | None:
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return None
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@property
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def mission_begin_on_station_time(self) -> datetime | None:
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return None
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@property
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def mission_departure_time(self) -> datetime:
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return self.tot
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class Builder(IBuilder[RtbFlightPlan, RtbLayout]):
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def layout(self) -> RtbLayout:
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if not isinstance(self.flight.state, InFlight):
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raise RuntimeError(f"Cannot abort {self} because it is not in flight")
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current_position = self.flight.state.estimate_position()
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current_altitude, altitude_reference = self.flight.state.estimate_altitude()
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altitude_is_agl = self.flight.unit_type.dcs_unit_type.helicopter
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altitude = (
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feet(1500)
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if altitude_is_agl
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else self.flight.unit_type.preferred_patrol_altitude
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)
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builder = WaypointBuilder(self.flight, self.flight.coalition)
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abort_point = builder.nav(
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current_position, current_altitude, altitude_reference == "RADIO"
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)
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abort_point.name = "ABORT AND RTB"
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abort_point.pretty_name = "Abort and RTB"
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abort_point.description = "Abort mission and return to base"
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return RtbLayout(
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departure=builder.takeoff(self.flight.departure),
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abort_location=abort_point,
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nav_to_destination=builder.nav_path(
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current_position,
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self.flight.arrival.position,
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altitude,
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altitude_is_agl,
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),
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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) -> RtbFlightPlan:
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return RtbFlightPlan(self.flight, self.layout())
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