calculate heading to center of conflict for sams

changelog.md

@@ -27,6 +27,7 @@ Saves from 4.0.0 are compatible with 4.1.0.
 * **[Campaign]** Air defense sites now generate a fixed number of launchers per type.
 * **[Campaign]** Added support for Mariana Islands map.  
 * **[Mission Generation]** Improvements for better support of the Skynet Plugin and long range SAMs are now acting as EWR
+* **[Mission Generation]** SAM sites are now headed towards the center of the conflict
 * **[Plugins]** Increased time JTAC Autolase messages stay visible on the UI.
 * **[UI]** Added ability to take notes and have those notes appear as a kneeboard page.
 * **[UI]** Hovering over the weather information now dispalys the cloud base (meters and feet).

gen/sam/airdefensegroupgenerator.py

@@ -48,6 +48,7 @@ class AirDefenseGroupGenerator(VehicleGroupGenerator[SamGroundObject], ABC):
 
         self.vg.name = self.group_name_for_role(self.vg.id, self.primary_group_role())
         self.auxiliary_groups: List[VehicleGroup] = []
+        self.heading = self.heading_to_conflict()
 
     def add_auxiliary_group(self, role: SkynetRole) -> VehicleGroup:
         gid = self.game.next_group_id()

gen/sam/group_generator.py

@@ -2,6 +2,7 @@ from __future__ import annotations
 
 import logging
 import math
+import operator
 import random
 from collections import Iterable
 from typing import TYPE_CHECKING, Type, TypeVar, Generic, Any
@@ -15,6 +16,7 @@ from dcs.unittype import VehicleType, UnitType, ShipType
 
 from game.dcs.groundunittype import GroundUnitType
 from game.factions.faction import Faction
+from game.theater import MissionTarget
 from game.theater.theatergroundobject import TheaterGroundObject, NavalGroundObject
 from game.utils import Heading
 
@@ -70,6 +72,27 @@ class GroupGenerator(Generic[GroupT, UnitT, UnitTypeT, TgoT]):
     ) -> UnitT:
         raise NotImplementedError
 
+    def heading_to_conflict(self) -> int:
+        # Heading for a Group to the enemy.
+        # Should be the point between the nearest and the most distant conflict
+        conflicts: dict[MissionTarget, float] = {}
+
+        for conflict in self.game.theater.conflicts():
+            conflicts[conflict] = conflict.distance_to(self.go)
+
+        if len(conflicts) == 0:
+            return self.heading
+
+        closest_conflict = min(conflicts.items(), key=operator.itemgetter(1))[0]
+        most_distant_conflict = max(conflicts.items(), key=operator.itemgetter(1))[0]
+
+        conflict_center = Point(
+            (closest_conflict.position.x + most_distant_conflict.position.x) / 2,
+            (closest_conflict.position.y + most_distant_conflict.position.y) / 2,
+        )
+
+        return int(self.go.position.heading_between_point(conflict_center))
+
 
 class VehicleGroupGenerator(
     Generic[TgoT], GroupGenerator[VehicleGroup, Vehicle, Type[VehicleType], TgoT]