Fine-tuning stuff for 'SEAD Sweep'

game/ato/flightplans/formation.py

@@ -19,7 +19,7 @@ if TYPE_CHECKING:
 @dataclass
 class FormationLayout(LoiterLayout, ABC):
     nav_to: list[FlightWaypoint]
-    join: FlightWaypoint
+    join: Optional[FlightWaypoint]
     split: FlightWaypoint
     refuel: Optional[FlightWaypoint]
     nav_from: list[FlightWaypoint]
@@ -73,10 +73,7 @@ class FormationFlightPlan(LoiterFlightPlan, ABC):
         return min(speeds)
 
     def speed_between_waypoints(self, a: FlightWaypoint, b: FlightWaypoint) -> Speed:
-        if b in self.package_speed_waypoints:
-            # Should be impossible, as any package with at least one
-            # FormationFlightPlan flight needs a formation speed.
-            assert self.package.formation_speed is not None
+        if self.package.formation_speed and b in self.package_speed_waypoints:
             return self.package.formation_speed
         return super().speed_between_waypoints(a, b)
 

game/ato/flightplans/formationattack.py

@@ -111,9 +111,19 @@ class FormationAttackFlightPlan(FormationFlightPlan, ABC):
         )
         return tot - travel_time
 
+    @property
+    def initial_time(self) -> timedelta:
+        tot = self.tot
+        travel_time = self.travel_time_between_waypoints(
+            self.layout.initial, self.target_area_waypoint
+        )
+        return tot - travel_time
+
     def tot_for_waypoint(self, waypoint: FlightWaypoint) -> timedelta | None:
         if waypoint == self.layout.ingress:
             return self.ingress_time
+        elif waypoint == self.layout.initial:
+            return self.initial_time
         elif waypoint in self.layout.targets:
             return self.tot
         return super().tot_for_waypoint(waypoint)
@@ -127,8 +137,10 @@ class FormationAttackLayout(FormationLayout):
 
     def iter_waypoints(self) -> Iterator[FlightWaypoint]:
         yield self.departure
+        if self.hold:
             yield self.hold
         yield from self.nav_to
+        if self.join:
             yield self.join
         yield self.ingress
         if self.initial is not None:
@@ -170,6 +182,15 @@ class FormationAttackBuilder(IBuilder[FlightPlanT, LayoutT], ABC):
                 )
             )
 
+        hold = None
+        join = None
+        if (
+            self.flight is self.package.primary_flight
+            or self.package.primary_flight
+            and isinstance(
+                self.package.primary_flight.flight_plan, FormationAttackFlightPlan
+            )
+        ):
             hold = builder.hold(self._hold_point())
             join = builder.join(self.package.waypoints.join)
         split = builder.split(self.package.waypoints.split)
@@ -189,7 +210,9 @@ class FormationAttackBuilder(IBuilder[FlightPlanT, LayoutT], ABC):
             departure=builder.takeoff(self.flight.departure),
             hold=hold,
             nav_to=builder.nav_path(
-                hold.position, join.position, self.doctrine.ingress_altitude
+                hold.position if hold else self.flight.departure.position,
+                join.position if join else ingress.position,
+                self.doctrine.ingress_altitude,
             ),
             join=join,
             ingress=ingress,

game/ato/flightplans/loiter.py

@@ -3,7 +3,7 @@ from __future__ import annotations
 from abc import ABC, abstractmethod
 from dataclasses import dataclass
 from datetime import timedelta
-from typing import Any, TYPE_CHECKING, TypeGuard
+from typing import Any, TYPE_CHECKING, TypeGuard, Optional
 
 from game.typeguard import self_type_guard
 from .flightplan import FlightPlan
@@ -15,7 +15,7 @@ if TYPE_CHECKING:
 
 @dataclass
 class LoiterLayout(StandardLayout, ABC):
-    hold: FlightWaypoint
+    hold: Optional[FlightWaypoint]
 
 
 class LoiterFlightPlan(StandardFlightPlan[Any], ABC):

game/ato/flightplans/sweep.py

@@ -26,6 +26,7 @@ class SweepLayout(LoiterLayout):
 
     def iter_waypoints(self) -> Iterator[FlightWaypoint]:
         yield self.departure
+        if self.hold:
             yield self.hold
         yield from self.nav_to
         yield self.sweep_start

game/ato/flightplans/waypointbuilder.py

@@ -458,7 +458,11 @@ class WaypointBuilder:
         assert self.flight.package.waypoints
         ingress = self.flight.package.waypoints.ingress
         ingress2tgt_dist = ingress.distance_to_point(target.position)
-        threat_range = 1.1 * max([x.threat_range for x in target.strike_targets]).meters
+        threat_range = nautical_miles(5).meters
+        if target.strike_targets:
+            threat_range = (
+                1.1 * max([x.threat_range for x in target.strike_targets]).meters
+            )
         hdg = target.position.heading_between_point(ingress)
         hold = target.position.point_from_heading(
             hdg, min(threat_range, ingress2tgt_dist * 0.95)

game/ato/package.py

@@ -176,6 +176,7 @@ class Package(RadioFrequencyContainer):
             FlightType.TRANSPORT,
             FlightType.AIR_ASSAULT,
             FlightType.SEAD,
+            FlightType.SEAD_SWEEP,
             FlightType.TARCAP,
             FlightType.BARCAP,
             FlightType.AEWC,