Automatic merge of T1.5.1-972-g193ebe1d0 and 14 pull requests

- Pull request #799 at dfc715e: Consolidated wind simulation
- 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 48aa537: Blueprint/train car operations UI window
- Pull request #891 at 9a1d6b2: Auto save
- 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 #900 at c27f32d: DMI updates
- Pull request #903 at c296b32: Downloading route content (Github, zip)
- Pull request #912 at df43405: New Triple Valve Features Vol. 2
- Pull request #919 at 26cc6a8: Added mouse wheel support for controls which can be moved by pressing t…
- Pull request #922 at abe2e52: Autopilot for timetable mode
- Pull request #923 at 4c27204: Add curve squeal to route
- Pull request #943 at 50d37b7: Dynamic Brakes Behavior & Display Improvements

Author: openrails-bot

Source/Orts.Simulation/Simulation/RollingStocks/SubSystems/Brakes/MSTS/AirSinglePipe.cs

@@ -539,7 +539,7 @@ public override void Initialize(bool handbrakeOn, float maxPressurePSI, float fu
             FullServPressurePSI = fullServPressurePSI;
             AutoCylAirPSIM3 = immediateRelease ? 0 : (maxPressurePSI - BrakeLine1PressurePSI) * AuxResVolumeM3;
             QuickServiceBulbPressurePSI = BrakeLine1PressurePSI < maxPressurePSI ? BrakeLine1PressurePSI : 0;
-            if (CylSource == 0)
+            if (CylSource == CylinderSource.AuxRes)
                 AutoCylPressurePSI = ForceBrakeCylinderPressure(ref AutoCylAirPSIM3, AdvancedBrakeCylinderPressure(AutoCylAirPSIM3));
             else
                 AutoCylPressurePSI = immediateRelease ? 0 : Math.Min((maxPressurePSI - BrakeLine1PressurePSI) * AuxCylVolumeRatio, MaxTripleValveCylPressurePSI);
@@ -1167,7 +1167,7 @@ public override void Update(float elapsedClockSeconds)
                         AuxResPressurePSI -= elapsedClockSeconds * MaxApplicationRatePSIpS;
                         if (AuxResPressurePSI < 0)
                             AuxResPressurePSI = 0;
-                        if (CylSource == 0)
+                        if (CylSource == CylinderSource.AuxRes)
                             AutoCylPressurePSI = CalculateBrakeCylinderPressure(ref AutoCylAirPSIM3, -elapsedClockSeconds * MaxReleaseRatePSIpS, 0);
                         else
                         AutoCylPressurePSI -= elapsedClockSeconds * MaxReleaseRatePSIpS;
@@ -1234,7 +1234,7 @@ public override void Update(float elapsedClockSeconds)
                 if (dp < 0)
                     dp = 0;
 
-                if (CylSource == 0) // Aux res is directly connected to brake cylinder, no relay valve
+                if (CylSource == CylinderSource.AuxRes) // Aux res is directly connected to brake cylinder, no relay valve
                 {
                     float prevAutoCylAirPSIM3 = AutoCylAirPSIM3;
                     AutoCylPressurePSI = CalculateBrakeCylinderPressure(ref AutoCylAirPSIM3, dp, threshold);
@@ -1265,7 +1265,7 @@ public override void Update(float elapsedClockSeconds)
                             dp = elapsedClockSeconds * MaxReleaseRatePSIpS;
                             if (AutoCylPressurePSI - dp < AuxResPressurePSI + dp / AuxCylVolumeRatio)
                                 dp = Math.Max((AutoCylPressurePSI - AuxResPressurePSI) * (AuxCylVolumeRatio / (1 + AuxCylVolumeRatio)), 0);
-                            if (CylSource == 0)
+                            if (CylSource == CylinderSource.AuxRes)
                                 AutoCylPressurePSI = CalculateBrakeCylinderPressure(ref AutoCylAirPSIM3, -dp, AuxResPressurePSI);
                             else
                             AutoCylPressurePSI -= dp;
@@ -1331,7 +1331,7 @@ public override void Update(float elapsedClockSeconds)
                             dp = (BrakeLine1PressurePSI - AutoCylPressurePSI) / (1 + CylBrakeLineVolumeRatio);
                         if (dp < 0)
                             dp = 0;
-                        if (CylSource == 0)
+                        if (CylSource == CylinderSource.AuxRes)
                             AutoCylPressurePSI = CalculateBrakeCylinderPressure(ref AutoCylAirPSIM3, dp, BrakeLine1PressurePSI);
                         else
                             AutoCylPressurePSI += dp;
@@ -1388,7 +1388,7 @@ public override void Update(float elapsedClockSeconds)
                 if (dp < 0)
                     dp = 0;
 
-                if (CylSource == 0) // Aux res is directly connected to brake cylinder, no relay valve
+                if (CylSource == CylinderSource.AuxRes) // Aux res is directly connected to brake cylinder, no relay valve
                     AutoCylPressurePSI = CalculateBrakeCylinderPressure(ref AutoCylAirPSIM3, -dp, threshold);
                 else
                 AutoCylPressurePSI -= dp;
@@ -1401,7 +1401,7 @@ public override void Update(float elapsedClockSeconds)
                 float dp = elapsedClockSeconds * ReleaseRatePSIpS;
                 if (AutoCylPressurePSI - dp < target)
                     dp = AutoCylPressurePSI - target;
-                if (CylSource == 0)
+                if (CylSource == CylinderSource.AuxRes)
                     AutoCylPressurePSI = CalculateBrakeCylinderPressure(ref AutoCylAirPSIM3, -dp, target);
                 else
                     AutoCylPressurePSI -= dp;
@@ -1412,7 +1412,7 @@ public override void Update(float elapsedClockSeconds)
                 dp *= MathHelper.Clamp(MathHelper.Lerp(1.0f, 0.1f, (AutoCylPressurePSI - HighSpeedReducingPressurePSI) / 5.0f), 0.1f, 1.0f); // Rate of release reduces as pressure difference increases
                 if (AutoCylPressurePSI - dp < HighSpeedReducingPressurePSI)
                     dp = AutoCylPressurePSI - HighSpeedReducingPressurePSI;
-                if (CylSource == 0)
+                if (CylSource == CylinderSource.AuxRes)
                     AutoCylPressurePSI = CalculateBrakeCylinderPressure(ref AutoCylAirPSIM3, -dp, HighSpeedReducingPressurePSI);
                 else
                     AutoCylPressurePSI -= dp;
@@ -1457,7 +1457,7 @@ public override void Update(float elapsedClockSeconds)
                         dp = (QuickServiceBulbPressurePSI - AutoCylPressurePSI) / (1 + volumeRatio);
                     if (dp < 0)
                         dp = 0;
-                    if (CylSource == 0)
+                    if (CylSource == CylinderSource.AuxRes)
                         AutoCylPressurePSI = CalculateBrakeCylinderPressure(ref AutoCylAirPSIM3, dp, QuickServiceLimitPSI);
                     else
                         AutoCylPressurePSI += dp;
@@ -1737,7 +1737,7 @@ public override void Update(float elapsedClockSeconds)
                 {
                     float dp = elapsedClockSeconds * RelayValveApplicationRatePSIpS;
                     // Reduce glitchyness caused by extremely low demanded pressures
-                    if (CylSource != 0 && demandedPressurePSI < BrakeCylinderSpringPressurePSI / 2.0f)
+                    if (CylSource != CylinderSource.AuxRes && demandedPressurePSI < BrakeCylinderSpringPressurePSI / 2.0f)
                         dp *= 0.2f;
                     if (dp > demandedPressurePSI - CylPressurePSI)
                         dp = demandedPressurePSI - CylPressurePSI;
@@ -1776,7 +1776,7 @@ public override void Update(float elapsedClockSeconds)
                 {
                     float dp = elapsedClockSeconds * RelayValveReleaseRatePSIpS;
                     // Reduce glitchyness caused by extremely low demanded pressures
-                    if (CylSource != 0 && demandedPressurePSI < BrakeCylinderSpringPressurePSI / 2.0f)
+                    if (CylSource != CylinderSource.AuxRes && demandedPressurePSI < BrakeCylinderSpringPressurePSI / 2.0f)
                         dp *= 0.2f;
                     if (dp > CylPressurePSI - demandedPressurePSI)
                         dp = CylPressurePSI - demandedPressurePSI;
@@ -1822,7 +1822,7 @@ public override void Update(float elapsedClockSeconds)
 
                     if (AuxResPressurePSI - dp < 0)
                         dp = AuxResPressurePSI;
-                    if (CylSource == 0)
+                    if (CylSource == CylinderSource.AuxRes)
                         AutoCylPressurePSI = CalculateBrakeCylinderPressure(ref AutoCylAirPSIM3, -dp, 0);
                     else
                         AutoCylPressurePSI -= dp;