Fix original bug

cesarBLG · cesarBLG · commit 9da56075f2cd · 2024-12-30T11:05:07.000+01:00
diff --git a/Source/Orts.Simulation/Simulation/RollingStocks/SubSystems/Brakes/MSTS/AirSinglePipe.cs b/Source/Orts.Simulation/Simulation/RollingStocks/SubSystems/Brakes/MSTS/AirSinglePipe.cs
@@ -1653,7 +1653,7 @@ public override void Update(float elapsedClockSeconds)
                     {
                         if (loco.Train.LeadLocomotiveIndex >= 0)
                         { 
-                            if (loco.Train.DetermineDPLeadLocomotive(loco) is MSTSLocomotive lead && (lead.BailOff || lead.EngineBrakeController.TrainBrakeControllerState == ControllerState.BailOff))
+                            if (loco.Train.DetermineDPLeadLocomotive(loco) is MSTSLocomotive lead && (lead.BailOff || (lead.EngineBrakeController != null && lead.EngineBrakeController.TrainBrakeControllerState == ControllerState.BailOff)))
                             {
                                 if (loco.BrakeValve == MSTSWagon.BrakeValveType.Distributor)
                                 {

Original file line number	Diff line number	Diff line change
`@@ -1653,7 +1653,7 @@ public override void Update(float elapsedClockSeconds)`
`1653`	`1653`	`{`
`1654`	`1654`	`if (loco.Train.LeadLocomotiveIndex >= 0)`
`1655`	`1655`	`{`
`1656`		`- if (loco.Train.DetermineDPLeadLocomotive(loco) is MSTSLocomotive lead && (lead.BailOff \|\| lead.EngineBrakeController.TrainBrakeControllerState == ControllerState.BailOff))`
	`1656`	`+ if (loco.Train.DetermineDPLeadLocomotive(loco) is MSTSLocomotive lead && (lead.BailOff \|\| (lead.EngineBrakeController != null && lead.EngineBrakeController.TrainBrakeControllerState == ControllerState.BailOff)))`
`1657`	`1657`	`{`
`1658`	`1658`	`if (loco.BrakeValve == MSTSWagon.BrakeValveType.Distributor)`
`1659`	`1659`	`{`