Automatic merge of T1.5.1-797-gabb8eb9a4 and 13 pull requests

- Pull request #570 at 3539862: Experimental glTF 2.0 support with PBR lighting
- Pull request #839 at d00beb9: First phase of https://blueprints.launchpad.net/or/+spec/additional-cruise-control-parameters
- Pull request #876 at f92de76: docs: add source for documents previously on website to source Documentation folder
- Pull request #882 at a055bca: Blueprint/train car operations UI window
- Pull request #885 at 8f94333: feat: Add notifications to Menu
- Pull request #886 at 6c0785b: Scene viewer extension to TrackViewer
- Pull request #892 at 1f5ba4c: Signal Function OPP_SIG_ID_TRAINPATH
- Pull request #896 at 5866028: First implementation of https://blueprints.launchpad.net/or/+spec/specific-sounds-for-ai-trains
- Pull request #897 at 0a9d939: feat: Improved system information collection
- Pull request #899 at a7d476e: Duplex steam engines - Booster Engine addition
- Pull request #907 at 9b0b04f: Bug fix for https://bugs.launchpad.net/or/+bug/2047300 Dynamic tracks disappear after long tunnel
- Pull request #908 at 4b4afe3: feat: supports switching adhesion precisions
- Pull request #909 at c3a572a: Correct Control Car crash bug

Author: openrails-bot

Source/Orts.Simulation/Simulation/RollingStocks/MSTSSteamLocomotive.cs

@@ -2564,7 +2564,16 @@ private void UpdateFX(float elapsedClockSeconds)
             if (CylinderAdvancedSteamEffects) // For advanced steam effects process each cylinder individually -
                                               // - all ENG files will need to be changed.
             {
-                var TotalNumberCyindersEng1 = SteamEngines[0].NumberCylinders + SteamEngines[0].LPNumberCylinders;
+                var TotalNumberCyindersEng1 = 0;
+
+                if (SteamEngineType == SteamEngineTypes.Compound)
+                {
+                    TotalNumberCyindersEng1 = SteamEngines[0].NumberCylinders + SteamEngines[0].LPNumberCylinders;
+                }
+                else
+                {
+                    TotalNumberCyindersEng1 = SteamEngines[0].NumberCylinders;
+                }
 
                 // Engine #1
                 // Find 
@@ -5545,6 +5554,9 @@ private void UpdateCylinders(float elapsedClockSeconds, float throttle, float cu
                 // Geared locomotives will have to take into account gearing ratio. 
                 RawCalculatedCylinderSteamUsageLBpS = SteamEngines[numberofengine].NumberCylinders * DrvWheelRevRpS * MotiveForceGearRatio * CylStrokesPerCycle * RawCylinderSteamWeightLbs;
                 CalculatedCylinderSteamUsageLBpS = RawCalculatedCylinderSteamUsageLBpS * SuperheaterSteamUsageFactor;
+
+
+         //       Trace.TraceInformation("Steam Consumption - Eng# {0} Calc {1} Raw {2} Factor {3}", numberofengine, pS.TopH(CalculatedCylinderSteamUsageLBpS), pS.TopH(RawCalculatedCylinderSteamUsageLBpS), SuperheaterSteamUsageFactor);
             }
 
             #endregion