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Add fighter sweep tasks.

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Fighter sweeps arrive at the target ahead of the rest of the package
(currently a fixed 5 minute lead) to clear out enemy fighters and then
RTB.

Fixes https://github.com/Khopa/dcs_liberation/issues/348
This commit is contained in:
Dan Albert 2020-11-15 23:12:38 -08:00
parent e60166dc89
commit d369ce8847
9 changed files with 237 additions and 21 deletions
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5
changelog.md
View File

@ -1,3 +1,8 @@
# 2.3.0
# Features/Improvements
* **[Flight Planner]** Added fighter sweep missions.
# 2.2.1
# Features/Improvements

5
game/data/doctrine.py
View File

@ -36,6 +36,8 @@ class Doctrine:
cas_duration: timedelta
sweep_distance: int
MODERN_DOCTRINE = Doctrine(
cap=True,
@ -62,6 +64,7 @@ MODERN_DOCTRINE = Doctrine(
cap_min_distance_from_cp=nm_to_meter(10),
cap_max_distance_from_cp=nm_to_meter(40),
cas_duration=timedelta(minutes=30),
sweep_distance=nm_to_meter(60),
)
COLDWAR_DOCTRINE = Doctrine(
@ -89,6 +92,7 @@ COLDWAR_DOCTRINE = Doctrine(
cap_min_distance_from_cp=nm_to_meter(8),
cap_max_distance_from_cp=nm_to_meter(25),
cas_duration=timedelta(minutes=30),
sweep_distance=nm_to_meter(40),
)
WWII_DOCTRINE = Doctrine(
@ -116,4 +120,5 @@ WWII_DOCTRINE = Doctrine(
cap_min_distance_from_cp=nm_to_meter(0),
cap_max_distance_from_cp=nm_to_meter(5),
cas_duration=timedelta(minutes=30),
sweep_distance=nm_to_meter(10),
)

50
gen/aircraft.py
View File

@ -5,7 +5,7 @@ import random
from dataclasses import dataclass
from datetime import timedelta
from functools import cached_property
from typing import Dict, List, Optional, Type, Union, TYPE_CHECKING
from typing import Dict, List, Optional, TYPE_CHECKING, Type, Union
from dcs import helicopters
from dcs.action import AITaskPush, ActivateGroup
@ -13,10 +13,12 @@ from dcs.condition import CoalitionHasAirdrome, TimeAfter
from dcs.country import Country
from dcs.flyingunit import FlyingUnit
from dcs.helicopters import UH_1H, helicopter_map
from dcs.mapping import Point
from dcs.mission import Mission, StartType
from dcs.planes import (
AJS37,
B_17G,
B_52H,
Bf_109K_4,
FW_190A8,
FW_190D9,
@ -31,7 +33,8 @@ from dcs.planes import (
P_51D_30_NA,
SpitfireLFMkIX,
SpitfireLFMkIXCW,
Su_33, A_20G, Tu_22M3, B_52H,
Su_33,
Tu_22M3,
)
from dcs.point import MovingPoint, PointAction
from dcs.task import (
@ -49,10 +52,8 @@ from dcs.task import (
OptRTBOnBingoFuel,
OptRTBOnOutOfAmmo,
OptReactOnThreat,
OptRestrictAfterburner,
OptRestrictJettison,
OrbitAction,
PinpointStrike,
SEAD,
StartCommand,
Targets,
@ -71,6 +72,7 @@ from game.utils import nm_to_meter
from gen.airsupportgen import AirSupport
from gen.ato import AirTaskingOrder, Package
from gen.callsigns import create_group_callsign_from_unit
from gen.conflictgen import FRONTLINE_LENGTH
from gen.flights.flight import (
Flight,
FlightType,
@ -79,15 +81,14 @@ from gen.flights.flight import (
)
from gen.radios import MHz, Radio, RadioFrequency, RadioRegistry, get_radio
from gen.runways import RunwayData
from gen.conflictgen import FRONTLINE_LENGTH
from dcs.mapping import Point
from theater import TheaterGroundObject
from theater.controlpoint import ControlPoint, ControlPointType
from .conflictgen import Conflict
from .flights.flightplan import (
CasFlightPlan,
FormationFlightPlan,
LoiterFlightPlan,
PatrollingFlightPlan,
SweepFlightPlan,
)
from .flights.traveltime import TotEstimator
from .naming import namegen
@ -1035,9 +1036,6 @@ class AircraftConflictGenerator:
self.configure_behavior(group, rtb_winchester=ammo_type)
group.points[0].tasks.append(EngageTargets(max_distance=nm_to_meter(50),
targets=[Targets.All.Air]))
def configure_cas(self, group: FlyingGroup, package: Package,
flight: Flight,
dynamic_runways: Dict[str, RunwayData]) -> None:
@ -1118,7 +1116,7 @@ class AircraftConflictGenerator:
dynamic_runways: Dict[str, RunwayData]) -> None:
flight_type = flight.flight_type
if flight_type in [FlightType.BARCAP, FlightType.TARCAP,
FlightType.INTERCEPTION]:
FlightType.INTERCEPTION, FlightType.SWEEP]:
self.configure_cap(group, package, flight, dynamic_runways)
elif flight_type in [FlightType.CAS, FlightType.BAI]:
self.configure_cas(group, package, flight, dynamic_runways)
@ -1278,6 +1276,7 @@ class PydcsWaypointBuilder:
FlightWaypointType.LANDING_POINT: LandingPointBuilder,
FlightWaypointType.LOITER: HoldPointBuilder,
FlightWaypointType.PATROL_TRACK: RaceTrackBuilder,
FlightWaypointType.INGRESS_SWEEP: SweepIngressBuilder,
}
builder = builders.get(waypoint.waypoint_type, DefaultWaypointBuilder)
return builder(waypoint, group, package, flight, mission)
@ -1314,7 +1313,7 @@ class HoldPointBuilder(PydcsWaypointBuilder):
altitude=waypoint.alt,
pattern=OrbitAction.OrbitPattern.Circle
))
if not isinstance(self.flight.flight_plan, FormationFlightPlan):
if not isinstance(self.flight.flight_plan, LoiterFlightPlan):
flight_plan_type = self.flight.flight_plan.__class__.__name__
logging.error(
f"Cannot configure hold for for {self.flight} because "
@ -1458,6 +1457,23 @@ class StrikeIngressBuilder(PydcsWaypointBuilder):
return waypoint
class SweepIngressBuilder(PydcsWaypointBuilder):
def build(self) -> MovingPoint:
waypoint = super().build()
if not isinstance(self.flight.flight_plan, SweepFlightPlan):
flight_plan_type = self.flight.flight_plan.__class__.__name__
logging.error(
f"Cannot create sweep for {self.flight} because "
f"{flight_plan_type} is not a sweep flight plan.")
return waypoint
waypoint.tasks.append(EngageTargets(max_distance=nm_to_meter(50),
targets=[Targets.All.Air]))
return waypoint
class JoinPointBuilder(PydcsWaypointBuilder):
def build(self) -> MovingPoint:
waypoint = super().build()
@ -1532,4 +1548,14 @@ class RaceTrackBuilder(PydcsWaypointBuilder):
racetrack.stop_after_time(
int(self.flight.flight_plan.patrol_end_time.total_seconds()))
waypoint.add_task(racetrack)
# TODO: Move the properties of this task into the flight plan?
# CAP is the only current user of this so it's not a big deal, but might
# be good to make this usable for things like BAI when we add that
# later.
cap_types = {FlightType.BARCAP, FlightType.TARCAP}
if self.flight.flight_type in cap_types:
waypoint.tasks.append(EngageTargets(max_distance=nm_to_meter(50),
targets=[Targets.All.Air]))
return waypoint

1
gen/ato.py
View File

@ -159,6 +159,7 @@ class Package:
FlightType.TARCAP,
FlightType.CAP,
FlightType.BARCAP,
FlightType.SWEEP,
FlightType.EWAR,
FlightType.ESCORT,
]

3
gen/flights/flight.py
View File

@ -38,6 +38,8 @@ class FlightType(Enum):
RECON = 15
EWAR = 16
SWEEP = 17
class FlightWaypointType(Enum):
TAKEOFF = 0 # Take off point
@ -61,6 +63,7 @@ class FlightWaypointType(Enum):
LOITER = 18
INGRESS_ESCORT = 19
INGRESS_DEAD = 20
INGRESS_SWEEP = 21
class FlightWaypoint:

131
gen/flights/flightplan.py
View File

@ -105,6 +105,15 @@ class FlightPlan:
"""
raise NotImplementedError
@property
def tot_offset(self) -> timedelta:
"""This flight's offset from the package's TOT.
Positive values represent later TOTs. An offset of -2 minutes is used
for a flight that has a TOT 2 minutes before the rest of the package.
"""
return timedelta()
# Not cached because changes to the package might alter the formation speed.
@property
def travel_time_to_target(self) -> Optional[timedelta]:
@ -147,8 +156,33 @@ class FlightPlan:
@dataclass(frozen=True)
class FormationFlightPlan(FlightPlan):
class LoiterFlightPlan(FlightPlan):
hold: FlightWaypoint
@property
def waypoints(self) -> List[FlightWaypoint]:
raise NotImplementedError
@property
def tot_waypoint(self) -> Optional[FlightWaypoint]:
raise NotImplementedError
def tot_for_waypoint(self, waypoint: FlightWaypoint) -> Optional[timedelta]:
raise NotImplementedError
@property
def push_time(self) -> timedelta:
raise NotImplementedError
def depart_time_for_waypoint(
self, waypoint: FlightWaypoint) -> Optional[timedelta]:
if waypoint == self.hold:
return self.push_time
return None
@dataclass(frozen=True)
class FormationFlightPlan(LoiterFlightPlan):
join: FlightWaypoint
split: FlightWaypoint
@ -215,12 +249,6 @@ class FormationFlightPlan(FlightPlan):
return self.split_time
return None
def depart_time_for_waypoint(
self, waypoint: FlightWaypoint) -> Optional[timedelta]:
if waypoint == self.hold:
return self.push_time
return None
@property
def push_time(self) -> timedelta:
return self.join_time - TravelTime.between_points(
@ -461,6 +489,64 @@ class StrikeFlightPlan(FormationFlightPlan):
return super().tot_for_waypoint(waypoint)
@dataclass(frozen=True)
class SweepFlightPlan(LoiterFlightPlan):
takeoff: FlightWaypoint
sweep_start: FlightWaypoint
sweep_end: FlightWaypoint
land: FlightWaypoint
lead_time: timedelta
@property
def waypoints(self) -> List[FlightWaypoint]:
return [
self.takeoff,
self.hold,
self.sweep_start,
self.sweep_end,
self.land,
]
@property
def tot_waypoint(self) -> Optional[FlightWaypoint]:
return self.sweep_end
@property
def tot_offset(self) -> timedelta:
return -self.lead_time
@property
def sweep_start_time(self) -> timedelta:
travel_time = self.travel_time_between_waypoints(
self.sweep_start, self.sweep_end)
return self.sweep_end_time - travel_time
@property
def sweep_end_time(self) -> timedelta:
return self.package.time_over_target + self.tot_offset
def tot_for_waypoint(self, waypoint: FlightWaypoint) -> Optional[timedelta]:
if waypoint == self.sweep_start:
return self.sweep_start_time
if waypoint == self.sweep_end:
return self.sweep_end_time
return None
def depart_time_for_waypoint(
self, waypoint: FlightWaypoint) -> Optional[timedelta]:
if waypoint == self.hold:
return self.push_time
return None
@property
def push_time(self) -> timedelta:
return self.sweep_end_time - TravelTime.between_points(
self.hold.position,
self.sweep_end.position,
GroundSpeed.for_flight(self.flight, self.hold.alt)
)
@dataclass(frozen=True)
class CustomFlightPlan(FlightPlan):
custom_waypoints: List[FlightWaypoint]
@ -546,6 +632,8 @@ class FlightPlanBuilder:
return self.generate_sead(flight, custom_targets)
elif task == FlightType.STRIKE:
return self.generate_strike(flight)
elif task == FlightType.SWEEP:
return self.generate_sweep(flight)
elif task == FlightType.TARCAP:
return self.generate_frontline_cap(flight)
elif task == FlightType.TROOP_TRANSPORT:
@ -671,6 +759,35 @@ class FlightPlanBuilder:
land=land
)
def generate_sweep(self, flight: Flight) -> SweepFlightPlan:
"""Generate a BARCAP flight at a given location.
Args:
flight: The flight to generate the flight plan for.
"""
target = self.package.target.position
heading = self._heading_to_package_airfield(target)
start = target.point_from_heading(heading,
-self.doctrine.sweep_distance)
builder = WaypointBuilder(self.game.conditions, flight, self.doctrine)
descent, land = builder.rtb(flight.from_cp)
start, end = builder.sweep(start, target,
self.doctrine.ingress_altitude)
return SweepFlightPlan(
package=self.package,
flight=flight,
lead_time=timedelta(minutes=5),
takeoff=builder.takeoff(flight.from_cp),
hold=builder.hold(self._hold_point(flight)),
sweep_start=start,
sweep_end=end,
land=land
)
def generate_frontline_cap(self, flight: Flight) -> FrontLineCapFlightPlan:
"""Generate a CAP flight plan for the given front line.

10
gen/flights/traveltime.py
View File

@ -128,7 +128,11 @@ class TotEstimator:
f"time for {flight} will be immediate.")
return timedelta()
else:
tot_waypoint = flight.flight_plan.tot_waypoint
if tot_waypoint is None:
tot = self.package.time_over_target
else:
tot = flight.flight_plan.tot_for_waypoint(tot_waypoint)
return tot - travel_time - self.HOLD_TIME
def earliest_tot(self) -> timedelta:
@ -165,9 +169,13 @@ class TotEstimator:
# Return 0 so this flight's travel time does not affect the rest
# of the package.
return timedelta()
# Account for TOT offsets for the flight plan. An offset of -2 minutes
# means the flight's TOT is 2 minutes ahead of the package's so it needs
# an extra two minutes.
offset = -flight.flight_plan.tot_offset
startup = self.estimate_startup(flight)
ground_ops = self.estimate_ground_ops(flight)
return startup + ground_ops + time_to_target
return startup + ground_ops + time_to_target + offset
@staticmethod
def estimate_startup(flight: Flight) -> timedelta:

50
gen/flights/waypointbuilder.py
View File

@ -326,6 +326,56 @@ class WaypointBuilder:
return (self.race_track_start(start, altitude),
self.race_track_end(end, altitude))
@staticmethod
def sweep_start(position: Point, altitude: int) -> FlightWaypoint:
"""Creates a sweep start waypoint.
Args:
position: Position of the waypoint.
altitude: Altitude of the sweep in meters.
"""
waypoint = FlightWaypoint(
FlightWaypointType.INGRESS_SWEEP,
position.x,
position.y,
altitude
)
waypoint.name = "SWEEP START"
waypoint.description = "Proceed to the target and engage enemy aircraft"
waypoint.pretty_name = "Sweep start"
return waypoint
@staticmethod
def sweep_end(position: Point, altitude: int) -> FlightWaypoint:
"""Creates a sweep end waypoint.
Args:
position: Position of the waypoint.
altitude: Altitude of the sweep in meters.
"""
waypoint = FlightWaypoint(
FlightWaypointType.EGRESS,
position.x,
position.y,
altitude
)
waypoint.name = "SWEEP END"
waypoint.description = "End of sweep"
waypoint.pretty_name = "Sweep end"
return waypoint
def sweep(self, start: Point, end: Point,
altitude: int) -> Tuple[FlightWaypoint, FlightWaypoint]:
"""Creates two waypoint for a racetrack orbit.
Args:
start: The beginning of the sweep.
end: The end of the sweep.
altitude: The sweep altitude.
"""
return (self.sweep_start(start, altitude),
self.sweep_end(end, altitude))
def rtb(self,
arrival: ControlPoint) -> Tuple[FlightWaypoint, FlightWaypoint]:
"""Creates descent ant landing waypoints for the given control point.

1
qt_ui/widgets/combos/QFlightTypeComboBox.py
View File

@ -21,6 +21,7 @@ class QFlightTypeComboBox(QComboBox):
FlightType.ESCORT,
FlightType.SEAD,
FlightType.DEAD,
FlightType.SWEEP,
# TODO: FlightType.ELINT,
# TODO: FlightType.EWAR,
# TODO: FlightType.RECON,