Issue 3154 (#3447)

This PR addresses #3154 by removing LHAs, CVNs and off map spawn control
points from the transit network.

changelog.md

@@ -5,13 +5,14 @@ Saves from 11.x are not compatible with 12.0.0.
 ## Features/Improvements
 
 * **[Engine]** Support for DCS 2.9.8.1214.
+* **[Campaign]** Flights are assigned different callsigns appropriate to the faction.
 * **[Campaign]** Removed deprecated settings for generating persistent and invulnerable AWACs and tankers.
-* **[Campaign]** Do not allow aircraft from a captured control point to retreat if the captured control point has a damaged runway.
 * **[Mods]** F/A-18 E/F/G Super Hornet mod version updated to 2.3.
 
 ## Fixes
 
-* **[Campaign]** Flights are assigned different callsigns appropriate to the faction.
+* **[Campaign]** Do not allow aircraft from a captured control point to retreat if the captured control point has a damaged runway.
+* **[Campaign]** Do not allow ground units to be transferred to LHAs, CVNs or off map spawns.
 
 # 11.1.1
 

game/theater/transitnetwork.py

@@ -8,7 +8,7 @@
 from typing import Dict, Iterator, List, Optional, Set, Tuple
 
 from .conflicttheater import ConflictTheater
-from .controlpoint import ControlPoint
+from .controlpoint import ControlPoint, ControlPointType
 
 
 class NoPathError(RuntimeError):
@@ -160,7 +160,14 @@ def __init__(self, theater: ConflictTheater, for_player: bool) -> None:
         self.airports: Set[ControlPoint] = {
             cp
             for cp in self.control_points
-            if cp.is_friendly(for_player) and cp.runway_is_operational()
+            if cp.is_friendly(for_player)
+            and cp.runway_is_operational()
+            and cp.cptype
+            not in [
+                ControlPointType.LHA_GROUP,
+                ControlPointType.AIRCRAFT_CARRIER_GROUP,
+                ControlPointType.OFF_MAP,
+            ]  # TransitNetwork is for ground units, so do not consider LHAs, CVNs or off map spawns.
         }
 
     def build(self) -> TransitNetwork: