89 lines
2.8 KiB
Python

from __future__ import annotations
from collections.abc import Iterator
from dataclasses import dataclass
from datetime import datetime
from typing import TYPE_CHECKING, Type
from game.utils import feet
from .ibuilder import IBuilder
from .planningerror import PlanningError
from .standard import StandardFlightPlan, StandardLayout
from .waypointbuilder import WaypointBuilder
if TYPE_CHECKING:
from ..flightwaypoint import FlightWaypoint
@dataclass
class FerryLayout(StandardLayout):
def iter_waypoints(self) -> Iterator[FlightWaypoint]:
yield self.departure
yield from self.nav_to
yield self.arrival
if self.divert is not None:
yield self.divert
yield self.bullseye
yield from self.custom_waypoints
class FerryFlightPlan(StandardFlightPlan[FerryLayout]):
@staticmethod
def builder_type() -> Type[Builder]:
return Builder
@property
def tot_waypoint(self) -> FlightWaypoint:
return self.layout.arrival
def tot_for_waypoint(self, waypoint: FlightWaypoint) -> datetime | None:
# TOT planning isn't really useful for ferries. They're behind the front
# lines so no need to wait for escorts or for other missions to complete.
return None
def depart_time_for_waypoint(self, waypoint: FlightWaypoint) -> datetime | None:
return None
@property
def mission_begin_on_station_time(self) -> datetime | None:
return None
@property
def mission_departure_time(self) -> datetime:
return self.package.time_over_target
class Builder(IBuilder[FerryFlightPlan, FerryLayout]):
def layout(self) -> FerryLayout:
if self.flight.departure == self.flight.arrival:
raise PlanningError(
f"Cannot plan ferry self.flight: departure and arrival are both "
f"{self.flight.departure}"
)
builder = WaypointBuilder(self.flight)
altitude_is_agl = self.flight.is_helo
altitude = (
feet(self.coalition.game.settings.heli_cruise_alt_agl)
if altitude_is_agl
else builder.get_patrol_altitude
)
return FerryLayout(
departure=builder.takeoff(self.flight.departure),
nav_to=builder.nav_path(
self.flight.departure.position,
self.flight.arrival.position,
altitude,
altitude_is_agl,
),
arrival=builder.land(self.flight.arrival),
divert=builder.divert(self.flight.divert),
bullseye=builder.bullseye(),
nav_from=[],
custom_waypoints=list(),
)
def build(self, dump_debug_info: bool = False) -> FerryFlightPlan:
return FerryFlightPlan(self.flight, self.layout())