Fix bug with MSTS versions

peternewell · peternewell · commit ad0cd0e9b548 · 2022-09-22T18:44:10.000+10:00
diff --git a/Source/Orts.Simulation/Simulation/RollingStocks/SubSystems/PowerTransmissions/GearBox.cs b/Source/Orts.Simulation/Simulation/RollingStocks/SubSystems/PowerTransmissions/GearBox.cs
@@ -812,7 +812,7 @@ public void Initialize()
                     //    Trace.TraceInformation("MaxTractiveForce - CarID {0} MaxTE {1} ")
                     }
                     // For purposes of calculating engine efficiency the tractive force at maximum gear speed needs to be used.
-                    if (GearBoxParams.GearBoxTractiveForceAtSpeedN[i] != 0)
+                    if (GearBoxParams.GearBoxTractiveForceAtSpeedN != null && GearBoxParams.GearBoxTractiveForceAtSpeedN[i] != 0)
                     {
                         // Assume that user has entered the TE at max speed already in the Eng
                         Gears[i].TractiveForceatMaxSpeedN = GearBoxParams.GearBoxTractiveForceAtSpeedN[i] / Locomotive.DieselEngines.Count;

Original file line number	Diff line number	Diff line change
`@@ -812,7 +812,7 @@ public void Initialize()`
`812`	`812`	`// Trace.TraceInformation("MaxTractiveForce - CarID {0} MaxTE {1} ")`
`813`	`813`	`}`
`814`	`814`	`// For purposes of calculating engine efficiency the tractive force at maximum gear speed needs to be used.`
`815`		`- if (GearBoxParams.GearBoxTractiveForceAtSpeedN[i] != 0)`
	`815`	`+ if (GearBoxParams.GearBoxTractiveForceAtSpeedN != null && GearBoxParams.GearBoxTractiveForceAtSpeedN[i] != 0)`
`816`	`816`	`{`
`817`	`817`	`// Assume that user has entered the TE at max speed already in the Eng`
`818`	`818`	`Gears[i].TractiveForceatMaxSpeedN = GearBoxParams.GearBoxTractiveForceAtSpeedN[i] / Locomotive.DieselEngines.Count;`