Turn off steam stoker steam usage values when not coal fired.

peternewell · peternewell · commit 956a8ec0b1d8 · 2024-06-08T11:59:15.000+10:00
diff --git a/Source/Orts.Simulation/Simulation/RollingStocks/MSTSSteamLocomotive.cs b/Source/Orts.Simulation/Simulation/RollingStocks/MSTSSteamLocomotive.cs
@@ -3887,6 +3887,8 @@ private void UpdateFirebox(float elapsedClockSeconds, float absSpeedMpS)
                     oilburnrate = MaxFiringRateKGpS; // burning rate can never be more then the max firing rate
                 }
 
+          //      OilBurnRateSmoothKGpS.ForceSmoothValue(oilburnrate);
+
                 OilBurnRateSmoothKGpS.Update(elapsedClockSeconds, oilburnrate);
                 FuelBurnRateSmoothedKGpS = OilBurnRateSmoothKGpS.SmoothedValue;
             }
@@ -6801,7 +6803,7 @@ private void UpdateAuxiliaries(float elapsedClockSeconds, float absSpeedMpS)
                 GeneratorSteamUsageLBpS = 0.0f; // No generator fitted to locomotive
             }
 
-            if (StokerIsMechanical)
+            if (StokerIsMechanical && SteamLocomotiveFuelType == SteamLocomotiveFuelTypes.Coal)
             {
                 StokerSteamUsageLBpS = pS.FrompH(MaxBoilerOutputLBpH) * (StokerMinUsage + (StokerMaxUsage - StokerMinUsage) * FuelFeedRateKGpS / MaxFiringRateKGpS);  // Caluculate current steam usage based on fuel feed rates
                 BoilerMassLB -= elapsedClockSeconds * StokerSteamUsageLBpS; // Reduce boiler mass to reflect steam usage by mechanical stoker  

Original file line number	Diff line number	Diff line change
`@@ -3887,6 +3887,8 @@ private void UpdateFirebox(float elapsedClockSeconds, float absSpeedMpS)`
`3887`	`3887`	`oilburnrate = MaxFiringRateKGpS; // burning rate can never be more then the max firing rate`
`3888`	`3888`	`}`
`3889`	`3889`
	`3890`	`+ // OilBurnRateSmoothKGpS.ForceSmoothValue(oilburnrate);`
	`3891`	`+`
`3890`	`3892`	`OilBurnRateSmoothKGpS.Update(elapsedClockSeconds, oilburnrate);`
`3891`	`3893`	`FuelBurnRateSmoothedKGpS = OilBurnRateSmoothKGpS.SmoothedValue;`
`3892`	`3894`	`}`
`@@ -6801,7 +6803,7 @@ private void UpdateAuxiliaries(float elapsedClockSeconds, float absSpeedMpS)`
`6801`	`6803`	`GeneratorSteamUsageLBpS = 0.0f; // No generator fitted to locomotive`
`6802`	`6804`	`}`
`6803`	`6805`
`6804`		`- if (StokerIsMechanical)`
	`6806`	`+ if (StokerIsMechanical && SteamLocomotiveFuelType == SteamLocomotiveFuelTypes.Coal)`
`6805`	`6807`	`{`
`6806`	`6808`	`StokerSteamUsageLBpS = pS.FrompH(MaxBoilerOutputLBpH) * (StokerMinUsage + (StokerMaxUsage - StokerMinUsage) * FuelFeedRateKGpS / MaxFiringRateKGpS); // Caluculate current steam usage based on fuel feed rates`
`6807`	`6809`	`BoilerMassLB -= elapsedClockSeconds * StokerSteamUsageLBpS; // Reduce boiler mass to reflect steam usage by mechanical stoker`