Change AI Su-33 carrier flights to "Takeoff from runway".

Fixes https://github.com/dcs-liberation/dcs_liberation/issues/1352

gen/aircraft.py

@@ -27,6 +27,7 @@ from dcs.planes import (
     Tu_22M3,
 )
 from dcs.point import MovingPoint, PointAction
+from dcs.ships import KUZNECOW
 from dcs.task import (
     AWACS,
     AWACSTaskAction,
@@ -265,6 +266,24 @@ class AircraftConflictGenerator:
             return StartType.Cold
         return StartType.Warm
 
+    @staticmethod
+    def _start_type_at_group(
+        start_type: str,
+        unit_type: Type[FlyingType],
+        at: Union[ShipGroup, StaticGroup],
+    ) -> StartType:
+        group_units = at.units
+        # Setting Su-33s starting from the non-supercarrier Kuznetsov to take off from runway
+        # to work around a DCS AI issue preventing Su-33s from taking off when set to "Takeoff from ramp" (#1352)
+        if (
+            unit_type.id == Su_33.id
+            and group_units[0] is not None
+            and group_units[0].type == KUZNECOW.id
+        ):
+            return StartType.Runway
+        else:
+            return AircraftConflictGenerator._start_type(start_type)
+
     def skill_level_for(
         self, unit: FlyingUnit, pilot: Optional[Pilot], blue: bool
     ) -> Skill:
@@ -532,7 +551,7 @@ class AircraftConflictGenerator:
             aircraft_type=unit_type,
             pad_group=at,
             maintask=None,
-            start_type=self._start_type(start_type),
+            start_type=self._start_type_at_group(start_type, unit_type, at),
             group_size=count,
         )