mirror of
https://github.com/dcs-liberation/dcs_liberation.git
synced 2025-11-10 14:22:26 +00:00
88 lines
2.7 KiB
Python
88 lines
2.7 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 .planningerror import PlanningError
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from .standard import StandardFlightPlan, StandardLayout
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from .waypointbuilder import WaypointBuilder
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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 FerryLayout(StandardLayout):
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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 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 FerryFlightPlan(StandardFlightPlan[FerryLayout]):
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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 tot_waypoint(self) -> FlightWaypoint:
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return self.layout.arrival
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def tot_for_waypoint(self, waypoint: FlightWaypoint) -> datetime | None:
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# TOT planning isn't really useful for ferries. They're behind the front
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# lines so no need to wait for escorts or for other missions to complete.
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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.package.time_over_target
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class Builder(IBuilder[FerryFlightPlan, FerryLayout]):
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def layout(self) -> FerryLayout:
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if self.flight.departure == self.flight.arrival:
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raise PlanningError(
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f"Cannot plan ferry self.flight: departure and arrival are both "
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f"{self.flight.departure}"
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)
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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.coalition)
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return FerryLayout(
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departure=builder.takeoff(self.flight.departure),
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nav_to_destination=builder.nav_path(
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self.flight.departure.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) -> FerryFlightPlan:
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return FerryFlightPlan(self.flight, self.layout())
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