Improve AI SEAD capabilities

changelog.md

@@ -6,6 +6,7 @@
 * **[Options]** Ability to load & save your settings.
 * **[UI]** Added fuel selector in flight's edit window.
 * **[Plugins]** Expose Splash Damage's "game_messages" option and set its default to false.
+* **[Mission Generation]** Improved AI SEAD capabilities, allowing for mixed loadouts using Decoys, ARMs & ASMs.
 
 ## Fixes
 * **[New Game Wizard]** Settings would not persist when going back to a previous page.

game/ato/flightplans/formationattack.py

@@ -190,6 +190,10 @@ class FormationAttackBuilder(IBuilder[FlightPlanT, LayoutT], ABC):
             ingress_type, self.package.waypoints.ingress, self.package.target
         )
 
+        initial = None
+        if ingress_type == FlightWaypointType.INGRESS_SEAD:
+            initial = builder.sead_search(self.package.target)
+
         return FormationAttackLayout(
             departure=builder.takeoff(self.flight.departure),
             hold=hold,
@@ -198,6 +202,7 @@ class FormationAttackBuilder(IBuilder[FlightPlanT, LayoutT], ABC):
             ),
             join=join,
             ingress=ingress,
+            initial=initial,
             targets=target_waypoints,
             split=split,
             refuel=refuel,

game/ato/flightplans/waypointbuilder.py

@@ -290,12 +290,9 @@ class WaypointBuilder:
         return self._target_area(f"STRIKE {target.name}", target)
 
     def sead_area(self, target: MissionTarget) -> FlightWaypoint:
-        # Set flyover with ingress altitude to allow the flight to search and engage
-        # the target group at the ingress alt without suicide dive
         return self._target_area(
             f"SEAD on {target.name}",
             target,
-            flyover=True,
             altitude=self.doctrine.ingress_altitude,
             alt_type="BARO",
         )
@@ -316,8 +313,8 @@ class WaypointBuilder:
         # plan.
         return self._target_area(f"ASSAULT {target.name}", target)
 
-    @staticmethod
     def _target_area(
+        self,
         name: str,
         location: MissionTarget,
         flyover: bool = False,
@@ -425,6 +422,29 @@ class WaypointBuilder:
             pretty_name="Orbit",
         )
 
+    def sead_search(self, target: MissionTarget) -> FlightWaypoint:
+        """Creates custom waypoint for AI SEAD flights
+            to avoid having them fly all the way to the SAM site.
+        Args:
+            target: Target information.
+        """
+        # Use the threat range as offset distance to avoid flying all the way to the SAM site
+        assert self.flight.package.waypoints
+        ingress = self.flight.package.waypoints.ingress
+        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, threat_range)
+
+        return FlightWaypoint(
+            "SEAD Search",
+            FlightWaypointType.CUSTOM,
+            hold,
+            self.doctrine.ingress_altitude,
+            alt_type="BARO",
+            description="Anchor and search from this point",
+            pretty_name="SEAD Search",
+        )
+
     @staticmethod
     def escort_hold(start: Point, altitude: Distance) -> FlightWaypoint:
         """Creates custom waypoint for escort flights that need to hold.

game/missiongenerator/aircraft/waypoints/seadingress.py

@@ -7,6 +7,7 @@ from dcs.task import (
     Expend,
     OptECMUsing,
     WeaponType as DcsWeaponType,
+    OptRestrictAfterburner,
 )
 
 from game.data.weapons import WeaponType
@@ -29,6 +30,11 @@ class SeadIngressBuilder(PydcsWaypointBuilder):
         # Preemptively use ECM to better avoid getting swatted.
         ecm_option = OptECMUsing(value=OptECMUsing.Values.UseIfDetectedLockByRadar)
         waypoint.tasks.append(ecm_option)
+
+        # Avoid having AI burn all of its fuel while loitering until next weapon release
+        burn_restrict = OptRestrictAfterburner(True)
+        waypoint.tasks.append(burn_restrict)
+
         for group in target.groups:
             miz_group = self.mission.find_group(group.group_name)
             if miz_group is None:
@@ -43,7 +49,7 @@ class SeadIngressBuilder(PydcsWaypointBuilder):
                 weapon_type=DcsWeaponType.Decoy,
                 group_attack=True,
                 expend=Expend.All,
-                altitude=waypoint.alt,
+                altitude=round(waypoint.alt * 1.5),  # 50% increase to force a climb
             )
             waypoint.tasks.append(attack_task)
 
@@ -54,8 +60,16 @@ class SeadIngressBuilder(PydcsWaypointBuilder):
                 # when skynet is enabled and the Radar is not emitting. They dive
                 # into the SAM instead of waiting for it to come alive
                 engage_task = EngageGroup(miz_group.id)
-                engage_task.params["weaponType"] = DcsWeaponType.Guided.value
+                engage_task.params["weaponType"] = DcsWeaponType.ARM.value
-                engage_task.params["groupAttack"] = True
-                engage_task.params["expend"] = Expend.All.value
                 waypoint.tasks.append(engage_task)
 
+            # Use other Air-to-Surface Missiles at last
+            attack_task = AttackGroup(
+                miz_group.id,
+                weapon_type=DcsWeaponType.ASM,
+                altitude=waypoint.alt,  # flight loses alt with AB restriction
+            )
+            waypoint.tasks.append(attack_task)
+
+        burn_free = OptRestrictAfterburner(False)
+        waypoint.tasks.append(burn_free)