mirror of
https://github.com/dcs-liberation/dcs_liberation.git
synced 2025-11-10 14:22:26 +00:00
126 lines
4.2 KiB
Python
126 lines
4.2 KiB
Python
from __future__ import annotations
|
|
|
|
from datetime import datetime, timedelta
|
|
from typing import Type
|
|
|
|
from dcs import Point
|
|
|
|
from game.utils import Distance, Heading, feet, meters
|
|
from .ibuilder import IBuilder
|
|
from .patrolling import PatrollingLayout
|
|
from .refuelingflightplan import RefuelingFlightPlan
|
|
from .waypointbuilder import WaypointBuilder
|
|
from ..flightwaypoint import FlightWaypoint
|
|
from ..flightwaypointtype import FlightWaypointType
|
|
|
|
|
|
class PackageRefuelingFlightPlan(RefuelingFlightPlan):
|
|
@staticmethod
|
|
def builder_type() -> Type[Builder]:
|
|
return Builder
|
|
|
|
@property
|
|
def patrol_duration(self) -> timedelta:
|
|
# TODO: Only consider aircraft that can refuel with this tanker type.
|
|
refuel_time_minutes = 5
|
|
for self.flight in self.package.flights:
|
|
flight_size = self.flight.roster.max_size
|
|
refuel_time_minutes = refuel_time_minutes + 4 * flight_size + 1
|
|
|
|
return timedelta(minutes=refuel_time_minutes)
|
|
|
|
def target_area_waypoint(self) -> FlightWaypoint:
|
|
return FlightWaypoint(
|
|
"TARGET AREA",
|
|
FlightWaypointType.TARGET_GROUP_LOC,
|
|
self.package.target.position,
|
|
meters(0),
|
|
"RADIO",
|
|
)
|
|
|
|
@property
|
|
def patrol_start_time(self) -> datetime:
|
|
altitude = self.flight.unit_type.patrol_altitude
|
|
|
|
if altitude is None:
|
|
altitude = Distance.from_feet(20000)
|
|
|
|
assert self.package.waypoints is not None
|
|
|
|
# Cheat in a FlightWaypoint for the split point.
|
|
split: Point = self.package.waypoints.split
|
|
split_waypoint: FlightWaypoint = FlightWaypoint(
|
|
"SPLIT", FlightWaypointType.SPLIT, split, altitude
|
|
)
|
|
|
|
# Cheat in a FlightWaypoint for the refuel point.
|
|
refuel: Point = self.package.waypoints.refuel
|
|
refuel_waypoint: FlightWaypoint = FlightWaypoint(
|
|
"REFUEL", FlightWaypointType.REFUEL, refuel, altitude
|
|
)
|
|
|
|
delay_target_to_split: timedelta = self.travel_time_between_waypoints(
|
|
self.target_area_waypoint(), split_waypoint
|
|
)
|
|
delay_split_to_refuel: timedelta = self.travel_time_between_waypoints(
|
|
split_waypoint, refuel_waypoint
|
|
)
|
|
|
|
return (
|
|
self.package.time_over_target
|
|
+ delay_target_to_split
|
|
+ delay_split_to_refuel
|
|
- timedelta(minutes=1.5)
|
|
)
|
|
|
|
|
|
class Builder(IBuilder[PackageRefuelingFlightPlan, PatrollingLayout]):
|
|
def layout(self) -> PatrollingLayout:
|
|
package_waypoints = self.package.waypoints
|
|
assert package_waypoints is not None
|
|
|
|
racetrack_half_distance = Distance.from_nautical_miles(20).meters
|
|
|
|
racetrack_center = package_waypoints.refuel
|
|
|
|
split_heading = Heading.from_degrees(
|
|
racetrack_center.heading_between_point(package_waypoints.split)
|
|
)
|
|
home_heading = split_heading.opposite
|
|
|
|
racetrack_start = racetrack_center.point_from_heading(
|
|
split_heading.degrees, racetrack_half_distance
|
|
)
|
|
|
|
racetrack_end = racetrack_center.point_from_heading(
|
|
home_heading.degrees, racetrack_half_distance
|
|
)
|
|
|
|
builder = WaypointBuilder(self.flight, self.coalition)
|
|
|
|
tanker_type = self.flight.unit_type
|
|
if tanker_type.patrol_altitude is not None:
|
|
altitude = tanker_type.patrol_altitude
|
|
else:
|
|
altitude = feet(21000)
|
|
|
|
racetrack = builder.race_track(racetrack_start, racetrack_end, altitude)
|
|
|
|
return PatrollingLayout(
|
|
departure=builder.takeoff(self.flight.departure),
|
|
nav_to=builder.nav_path(
|
|
self.flight.departure.position, racetrack_start, altitude
|
|
),
|
|
nav_from=builder.nav_path(
|
|
racetrack_end, self.flight.arrival.position, altitude
|
|
),
|
|
patrol_start=racetrack[0],
|
|
patrol_end=racetrack[1],
|
|
arrival=builder.land(self.flight.arrival),
|
|
divert=builder.divert(self.flight.divert),
|
|
bullseye=builder.bullseye(),
|
|
)
|
|
|
|
def build(self) -> PackageRefuelingFlightPlan:
|
|
return PackageRefuelingFlightPlan(self.flight, self.layout())
|