Improve travel-speeds for helicopters

game/ato/flightplans/escort.py

@@ -1,6 +1,5 @@
 from __future__ import annotations
 
-from datetime import timedelta, datetime
 from typing import Type
 
 from .airassault import AirAssaultLayout
@@ -16,18 +15,6 @@ from ...utils import feet
 
 
 class EscortFlightPlan(FormationAttackFlightPlan):
-    @property
-    def push_time(self) -> datetime:
-        hold2join_time = (
-            self.travel_time_between_waypoints(
-                self.layout.hold,
-                self.layout.join,
-            )
-            if self.layout.hold is not None
-            else timedelta(0)
-        )
-        return self.join_time - hold2join_time
-
     @staticmethod
     def builder_type() -> Type[Builder]:
         return Builder
@@ -74,10 +61,10 @@ class Builder(FormationAttackBuilder[EscortFlightPlan, FormationAttackLayout]):
                 ascent = layout.pickup_ascent or layout.drop_off_ascent
                 assert ascent is not None
                 join = builder.join(ascent.position)
-            else:
-                join = builder.join(layout.ingress.position)
-            if layout.pickup and layout.drop_off_ascent:
-                join = builder.join(layout.drop_off_ascent.position)
+                if layout.pickup and layout.drop_off_ascent:
+                    join = builder.join(layout.drop_off_ascent.position)
+            elif layout.pickup:
+                join = builder.join(layout.pickup.position)
             split = builder.split(layout.arrival.position)
             if layout.drop_off:
                 initial = builder.escort_hold(

game/ato/flightplans/flightplan.py

@@ -104,6 +104,19 @@ class FlightPlan(ABC, Generic[LayoutT]):
             #
             # Plus, it's a loiter point so there's no reason to hurry.
             factor = 0.75
+        elif (
+            self.flight.is_helo
+            and (
+                a.waypoint_type == FlightWaypointType.JOIN
+                or "INGRESS" in a.waypoint_type.name
+                or a.waypoint_type == FlightWaypointType.CUSTOM
+            )
+            and self.package.primary_flight
+            and not self.package.primary_flight.flight_plan.is_airassault
+        ):
+            # Helicopter flights should be slowed down between JOIN & INGRESS
+            # to allow the escort to keep up while engaging targets along the way.
+            factor = 0.50
         # TODO: Adjust if AGL.
         # We don't have an exact heightmap, but we should probably be performing
         # *some* adjustment for NTTR since the minimum altitude of the map is

game/ato/flightplans/formation.py

@@ -92,10 +92,15 @@ class FormationFlightPlan(LoiterFlightPlan, ABC):
 
     @property
     def push_time(self) -> datetime:
-        return self.join_time - self.travel_time_between_waypoints(
-            self.layout.hold,
-            self.layout.join,
+        hold2join_time = (
+            self.travel_time_between_waypoints(
+                self.layout.hold,
+                self.layout.join,
+            )
+            if self.layout.hold
+            else timedelta(0)
         )
+        return self.join_time - hold2join_time
 
     @property
     def mission_begin_on_station_time(self) -> datetime | None:

game/ato/flightplans/waypointbuilder.py

@@ -248,10 +248,14 @@ class WaypointBuilder:
                 else feet(1000)
             )
 
+        heading = objective.position.heading_between_point(position)
+
         return FlightWaypoint(
             "INGRESS",
             ingress_type,
-            position,
+            objective.position.point_from_heading(heading, nautical_miles(5).meters)
+            if self.is_helo
+            else position,
             alt,
             alt_type,
             description=f"INGRESS on {objective.name}",

game/missiongenerator/aircraft/waypoints/joinpoint.py

@@ -94,7 +94,11 @@ class JoinPointBuilder(PydcsWaypointBuilder):
         max_dist: float = 30.0,
         vertical_spacing: float = 2000.0,
     ) -> None:
-        waypoint.tasks.append(OptROE(value=OptROE.Values.OpenFire))
+        if self.flight.is_helo:
+            # Make helicopters a bit more aggressive
+            waypoint.tasks.append(OptROE(value=OptROE.Values.OpenFireWeaponFree))
+        else:
+            waypoint.tasks.append(OptROE(value=OptROE.Values.OpenFire))
 
         rx = (random.random() + 0.1) * 333
         ry = feet(vertical_spacing).meters

game/missiongenerator/aircraft/waypoints/splitpoint.py

@@ -7,6 +7,7 @@ from dcs.task import (
     SwitchWaypoint,
 )
 
+from game.utils import knots
 from .pydcswaypointbuilder import PydcsWaypointBuilder
 
 
@@ -29,10 +30,12 @@ class SplitPointBuilder(PydcsWaypointBuilder):
             waypoint.tasks.append(OptFormation.rotary_wedge())
         else:
             waypoint.tasks.append(OptFormation.finger_four_close())
-        if not self.flight.is_helo:
-            waypoint.speed_locked = True
+        waypoint.speed_locked = True
+        waypoint.ETA_locked = False
+        if self.flight.is_helo:
+            waypoint.speed = knots(100).meters_per_second
+        else:
             waypoint.speed = self.flight.coalition.doctrine.rtb_speed.meters_per_second
-            waypoint.ETA_locked = False
         if self.flight is self.package.primary_flight:
             script = RunScript(
                 f'trigger.action.setUserFlag("split-{id(self.package)}", true)'