dcs-retribution/gen/flights/waypointbuilder.py
Dan Albert fd473f0a46 Fix custom waypoints.
Like with deleting waypoints, these will degrade the flight plan to the
2.1 behavior.

Ascend/descend points aren't in use any more, so I removed those.
2020-11-19 00:36:43 -08:00

311 lines
11 KiB
Python

from __future__ import annotations
from dataclasses import dataclass
from typing import List, Optional, Tuple, Union
from dcs.mapping import Point
from dcs.unit import Unit
from game.data.doctrine import Doctrine
from game.weather import Conditions
from theater import ControlPoint, MissionTarget, TheaterGroundObject
from .flight import Flight, FlightWaypoint, FlightWaypointType
@dataclass(frozen=True)
class StrikeTarget:
name: str
target: Union[TheaterGroundObject, Unit]
class WaypointBuilder:
def __init__(self, conditions: Conditions, flight: Flight,
doctrine: Doctrine,
targets: Optional[List[StrikeTarget]] = None) -> None:
self.conditions = conditions
self.flight = flight
self.doctrine = doctrine
self.targets = targets
@property
def is_helo(self) -> bool:
return getattr(self.flight.unit_type, "helicopter", False)
@staticmethod
def takeoff(departure: ControlPoint) -> FlightWaypoint:
"""Create takeoff waypoint for the given arrival airfield or carrier.
Note that the takeoff waypoint will automatically be created by pydcs
when we create the group, but creating our own before generation makes
the planning code simpler.
Args:
departure: Departure airfield or carrier.
"""
position = departure.position
waypoint = FlightWaypoint(
FlightWaypointType.TAKEOFF,
position.x,
position.y,
0
)
waypoint.name = "TAKEOFF"
waypoint.alt_type = "RADIO"
waypoint.description = "Takeoff"
waypoint.pretty_name = "Takeoff"
return waypoint
@staticmethod
def land(arrival: ControlPoint) -> FlightWaypoint:
"""Create descent waypoint for the given arrival airfield or carrier.
Args:
arrival: Arrival airfield or carrier.
"""
position = arrival.position
waypoint = FlightWaypoint(
FlightWaypointType.LANDING_POINT,
position.x,
position.y,
0
)
waypoint.name = "LANDING"
waypoint.alt_type = "RADIO"
waypoint.description = "Land"
waypoint.pretty_name = "Land"
return waypoint
def hold(self, position: Point) -> FlightWaypoint:
waypoint = FlightWaypoint(
FlightWaypointType.LOITER,
position.x,
position.y,
500 if self.is_helo else self.doctrine.rendezvous_altitude
)
waypoint.pretty_name = "Hold"
waypoint.description = "Wait until push time"
waypoint.name = "HOLD"
return waypoint
def join(self, position: Point) -> FlightWaypoint:
waypoint = FlightWaypoint(
FlightWaypointType.JOIN,
position.x,
position.y,
500 if self.is_helo else self.doctrine.ingress_altitude
)
waypoint.pretty_name = "Join"
waypoint.description = "Rendezvous with package"
waypoint.name = "JOIN"
return waypoint
def split(self, position: Point) -> FlightWaypoint:
waypoint = FlightWaypoint(
FlightWaypointType.SPLIT,
position.x,
position.y,
500 if self.is_helo else self.doctrine.ingress_altitude
)
waypoint.pretty_name = "Split"
waypoint.description = "Depart from package"
waypoint.name = "SPLIT"
return waypoint
def ingress_cas(self, position: Point,
objective: MissionTarget) -> FlightWaypoint:
return self._ingress(FlightWaypointType.INGRESS_CAS, position,
objective)
def ingress_escort(self, position: Point,
objective: MissionTarget) -> FlightWaypoint:
return self._ingress(FlightWaypointType.INGRESS_ESCORT, position,
objective)
def ingress_dead(self, position:Point,
objective: MissionTarget) -> FlightWaypoint:
return self._ingress(FlightWaypointType.INGRESS_DEAD, position,
objective)
def ingress_sead(self, position: Point,
objective: MissionTarget) -> FlightWaypoint:
return self._ingress(FlightWaypointType.INGRESS_SEAD, position,
objective)
def ingress_strike(self, position: Point,
objective: MissionTarget) -> FlightWaypoint:
return self._ingress(FlightWaypointType.INGRESS_STRIKE, position,
objective)
def _ingress(self, ingress_type: FlightWaypointType, position: Point,
objective: MissionTarget) -> FlightWaypoint:
waypoint = FlightWaypoint(
ingress_type,
position.x,
position.y,
500 if self.is_helo else self.doctrine.ingress_altitude
)
waypoint.pretty_name = "INGRESS on " + objective.name
waypoint.description = "INGRESS on " + objective.name
waypoint.name = "INGRESS"
# TODO: This seems wrong, but it's what was there before.
waypoint.targets.append(objective)
return waypoint
def egress(self, position: Point, target: MissionTarget) -> FlightWaypoint:
waypoint = FlightWaypoint(
FlightWaypointType.EGRESS,
position.x,
position.y,
500 if self.is_helo else self.doctrine.ingress_altitude
)
waypoint.pretty_name = "EGRESS from " + target.name
waypoint.description = "EGRESS from " + target.name
waypoint.name = "EGRESS"
return waypoint
def dead_point(self, target: StrikeTarget) -> FlightWaypoint:
return self._target_point(target, f"STRIKE {target.name}")
def sead_point(self, target: StrikeTarget) -> FlightWaypoint:
return self._target_point(target, f"STRIKE {target.name}")
def strike_point(self, target: StrikeTarget) -> FlightWaypoint:
return self._target_point(target, f"STRIKE {target.name}")
@staticmethod
def _target_point(target: StrikeTarget, description: str) -> FlightWaypoint:
waypoint = FlightWaypoint(
FlightWaypointType.TARGET_POINT,
target.target.position.x,
target.target.position.y,
0
)
waypoint.description = description
waypoint.pretty_name = description
waypoint.name = target.name
# The target waypoints are only for the player's benefit. AI tasks for
# the target are set on the ingress point so they begin their attack
# *before* reaching the target.
waypoint.only_for_player = True
return waypoint
def strike_area(self, target: MissionTarget) -> FlightWaypoint:
return self._target_area(f"STRIKE {target.name}", target)
def sead_area(self, target: MissionTarget) -> FlightWaypoint:
return self._target_area(f"SEAD on {target.name}", target)
def dead_area(self, target: MissionTarget) -> FlightWaypoint:
return self._target_area(f"DEAD on {target.name}", target)
@staticmethod
def _target_area(name: str, location: MissionTarget) -> FlightWaypoint:
waypoint = FlightWaypoint(
FlightWaypointType.TARGET_GROUP_LOC,
location.position.x,
location.position.y,
0
)
waypoint.description = name
waypoint.pretty_name = name
waypoint.name = name
# The target waypoints are only for the player's benefit. AI tasks for
# the target are set on the ingress point so they begin their attack
# *before* reaching the target.
waypoint.only_for_player = True
return waypoint
def cas(self, position: Point) -> FlightWaypoint:
waypoint = FlightWaypoint(
FlightWaypointType.CAS,
position.x,
position.y,
500 if self.is_helo else 1000
)
waypoint.alt_type = "RADIO"
waypoint.description = "Provide CAS"
waypoint.name = "CAS"
waypoint.pretty_name = "CAS"
return waypoint
@staticmethod
def race_track_start(position: Point, altitude: int) -> FlightWaypoint:
"""Creates a racetrack start waypoint.
Args:
position: Position of the waypoint.
altitude: Altitude of the racetrack in meters.
"""
waypoint = FlightWaypoint(
FlightWaypointType.PATROL_TRACK,
position.x,
position.y,
altitude
)
waypoint.name = "RACETRACK START"
waypoint.description = "Orbit between this point and the next point"
waypoint.pretty_name = "Race-track start"
return waypoint
@staticmethod
def race_track_end(position: Point, altitude: int) -> FlightWaypoint:
"""Creates a racetrack end waypoint.
Args:
position: Position of the waypoint.
altitude: Altitude of the racetrack in meters.
"""
waypoint = FlightWaypoint(
FlightWaypointType.PATROL,
position.x,
position.y,
altitude
)
waypoint.name = "RACETRACK END"
waypoint.description = "Orbit between this point and the previous point"
waypoint.pretty_name = "Race-track end"
return waypoint
def race_track(self, start: Point, end: Point,
altitude: int) -> Tuple[FlightWaypoint, FlightWaypoint]:
"""Creates two waypoint for a racetrack orbit.
Args:
start: The beginning racetrack waypoint.
end: The ending racetrack waypoint.
altitude: The racetrack altitude.
"""
return (self.race_track_start(start, altitude),
self.race_track_end(end, altitude))
def escort(self, ingress: Point, target: MissionTarget, egress: Point) -> \
Tuple[FlightWaypoint, FlightWaypoint, FlightWaypoint]:
"""Creates the waypoints needed to escort the package.
Args:
ingress: The package ingress point.
target: The mission target.
egress: The package egress point.
"""
# This would preferably be no points at all, and instead the Escort task
# would begin on the join point and end on the split point, however the
# escort task does not appear to work properly (see the longer
# description in gen.aircraft.JoinPointBuilder), so instead we give
# the escort flights a flight plan including the ingress point, target
# area, and egress point.
ingress = self._ingress(FlightWaypointType.INGRESS_ESCORT, ingress,
target)
waypoint = FlightWaypoint(
FlightWaypointType.TARGET_GROUP_LOC,
target.position.x,
target.position.y,
500 if self.is_helo else self.doctrine.ingress_altitude
)
waypoint.name = "TARGET"
waypoint.description = "Escort the package"
waypoint.pretty_name = "Target area"
egress = self.egress(egress, target)
return ingress, waypoint, egress