I added a new option: allowSwitchFromInFlight (defaults to true)

Author: linuxgurugamer

B9PartSwitch/PartSwitch/ModuleB9PartSwitch.cs

@@ -502,7 +502,8 @@ private void SetupGUI()
 
         private void UpdateSwitchEventFlightVisibility()
         {
-            bool switchInFlightEnabled = subtypes.Any(s => s != CurrentSubtype && s.allowSwitchInFlight && s.IsUnlocked());
+            bool switchInFlightEnabled = subtypes.Any(s => s != CurrentSubtype && s.allowSwitchInFlight && s.IsUnlocked()) && subtypes[SubtypeIndex].allowSwitchFromInFlight;
+
             BaseEvent switchSubtypeEvent = Events[nameof(ShowSubtypesWindow)];
             switchSubtypeEvent.guiActive = switchInFlight && switchInFlightEnabled;
 

B9PartSwitch/PartSwitch/PartSubtype.cs

@@ -116,6 +116,9 @@ public class PartSubtype : IContextualNode
         [NodeData]
         public bool allowSwitchInFlight = true;
 
+        [NodeData]
+        public bool allowSwitchFromInFlight = true;
+
         [NodeData]
         public string mirrorSymmetrySubtype;