Additional null check just in case

SteelFill · SteelFill · commit 343c79284168 · 2025-06-20T00:22:10.000-05:00
diff --git a/Source/RunActivity/Viewer3D/Lights.cs b/Source/RunActivity/Viewer3D/Lights.cs
@@ -347,7 +347,7 @@ bool UpdateState()
             bool newLeftDoorOpen = !Car.Lights.IgnoredConditions[11] && Car.Train?.DoorState(DoorSide.Left) != DoorState.Closed;
             bool newRightDoorOpen = !Car.Lights.IgnoredConditions[11] && Car.Train?.DoorState(DoorSide.Right) != DoorState.Closed;
             // AI trains don't have a lead locomotive, but the upcoming lighting calculations want a lead locomotive, try to determine a lead locomotive to use
-            if (leadLocomotive == null)
+            if (leadLocomotive == null && Car.Train != null)
             {
                 // If first car is flipped, the 'lead' vehicle is actually at the rear
                 if (Car.Train.FirstCar.Flipped && Car.Train.LastCar is MSTSLocomotive)

Original file line number	Diff line number	Diff line change
`@@ -347,7 +347,7 @@ bool UpdateState()`
`347`	`347`	`bool newLeftDoorOpen = !Car.Lights.IgnoredConditions[11] && Car.Train?.DoorState(DoorSide.Left) != DoorState.Closed;`
`348`	`348`	`bool newRightDoorOpen = !Car.Lights.IgnoredConditions[11] && Car.Train?.DoorState(DoorSide.Right) != DoorState.Closed;`
`349`	`349`	`// AI trains don't have a lead locomotive, but the upcoming lighting calculations want a lead locomotive, try to determine a lead locomotive to use`
`350`		`- if (leadLocomotive == null)`
	`350`	`+ if (leadLocomotive == null && Car.Train != null)`
`351`	`351`	`{`
`352`	`352`	`// If first car is flipped, the 'lead' vehicle is actually at the rear`
`353`	`353`	`if (Car.Train.FirstCar.Flipped && Car.Train.LastCar is MSTSLocomotive)`