Add unit name -> Liberation object map.

Generated units are added to this during mission generation so we can
map destroyed units back to the data that generated them. Currently only
implemented for aircraft as a proof of concept.

gen/aircraft.py

@@ -76,6 +76,7 @@ from game.theater.controlpoint import (
     OffMapSpawn,
 )
 from game.theater.theatergroundobject import TheaterGroundObject
+from game.unitmap import UnitMap
 from game.utils import knots_to_kph, nm_to_meter
 from gen.airsupportgen import AirSupport
 from gen.ato import AirTaskingOrder, Package
@@ -647,12 +648,13 @@ AIRCRAFT_DATA["P-47D-30"] = AIRCRAFT_DATA["P-51D"]
 
 
 class AircraftConflictGenerator:
-    def __init__(self, mission: Mission, settings: Settings,
-                 game: Game, radio_registry: RadioRegistry):
+    def __init__(self, mission: Mission, settings: Settings, game: Game,
+                 radio_registry: RadioRegistry, unit_map: UnitMap) -> None:
         self.m = mission
         self.game = game
         self.settings = settings
         self.radio_registry = radio_registry
+        self.unit_map = unit_map
         self.flights: List[FlightData] = []
 
     @cached_property
@@ -927,6 +929,7 @@ class AircraftConflictGenerator:
                 logging.info(f"Generating flight: {flight.unit_type}")
                 group = self.generate_planned_flight(flight.from_cp, country,
                                                      flight)
+                self.unit_map.add_aircraft(group, flight)
                 self.setup_flight_group(group, package, flight, dynamic_runways)
                 self.create_waypoints(group, package, flight)