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https://github.com/dcs-retribution/dcs-retribution.git
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769fe12159
During package planning we don't care about the details of the flight plan, just the layout (to check if the layout is threatened and we need escorts). Splitting these will allow us to reduce the amount of work that must be done in each loop of the planning phase, potentially caching attempted flight plans between loops.
81 lines
2.5 KiB
Python
81 lines
2.5 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 timedelta
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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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class Builder(IBuilder):
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def build(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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@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 | None:
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return self.layout.arrival
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def tot_for_waypoint(self, waypoint: FlightWaypoint) -> timedelta | 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) -> timedelta | None:
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return None
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@property
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def mission_departure_time(self) -> timedelta:
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return self.package.time_over_target
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