Automatic merge of T1.5.1-411-g51d4cd969 and 15 pull requests

- Pull request #570 at de7a14f: Experimental glTF 2.0 support with PBR lighting
- Pull request #757 at 2388225: Unify RailDriver code implementations
- Pull request #799 at dc03850: Consolidated wind simulation
- Pull request #802 at 4d198e4: Added support for activity location events to the TrackViewer
- Pull request #803 at 7157e08: Various adjustments to steam adhesion
- Pull request #813 at 7fdad38: Refactored garbage generators
- Pull request #815 at a5cc165: chore: Add GitHub automatic release notes configuration
- Pull request #818 at 745d101: Allow independent drive axles for locomotives
- Pull request #821 at e0fa5a8: Adds suppression of safety valves
- Pull request #823 at 5e1c03b: Select track sound volume percent retained in .eng and .wag files
- Pull request #824 at f16ebed: Update Readme.md
- Pull request #825 at 29ed427: 2D Cabview controls for side viewpoints https://blueprints.launchpad.net/or/+spec/2dcabview-controls-for-side-views
- Pull request #829 at 434af02: Improvements for air brakes #3 - Emergency valves
- Pull request #830 at b9350ff: Electric locomotive hot start
- Pull request #831 at 10aa2f3: preliminary version switchpanel on tablet

Author: openrails-bot

Source/Orts.Simulation/Simulation/RollingStocks/SubSystems/PowerSupplies/TractionCutOffRelay.cs

@@ -34,7 +34,7 @@ public class ScriptedTractionCutOffRelay : ITractionCutOffSubsystem
         public Simulator Simulator => LocomotivePowerSupply.Locomotive.Simulator;
 
         public bool Activated = false;
-        string ScriptName = "Automatic";
+        public string ScriptName { get; protected set; } = "Automatic";
         TractionCutOffRelay Script;
 
         public float DelayS { get; protected set; } = 0f;

Source/RunActivity/Viewer3D/Viewer.cs

@@ -855,7 +855,7 @@ public void Update(RenderFrame frame, float elapsedRealTime)
 
             WindowManager.PrepareFrame(frame, elapsedTime);
 
-            SwitchPanelModule.SendAllSwitchStatus();
+            SwitchPanelModule.SendSwitchPanelIfChanged();
         }
 
         private void LoadDefectCarSound(TrainCar car, string filename)

Source/RunActivity/Viewer3D/WebServices/SwitchPanel/SwitchOnPanel.cs

@@ -36,6 +36,7 @@ public void init0(UserCommand userCommand = ORTS.Common.Input.UserCommand.GamePa
             Definition.Button = TypeOfButton.none;
             Definition.UserCommand = new UserCommand[] { userCommand };
             Definition.Description = description;
+            initIs();
         }
 
         // 1 button
@@ -45,6 +46,7 @@ public void init1(UserCommand userCommand, string description, TypeOfButton type
             Definition.Button = typeOfButton;
             Definition.UserCommand = new UserCommand[] { userCommand };
             Definition.Description = description;
+            initIs();
         }
 
         // 2 buttons
@@ -54,6 +56,7 @@ public void init2(UserCommand userCommandTop, UserCommand userCommandBottom, str
             Definition.Button = typeOfButton;
             Definition.UserCommand = new UserCommand[] { userCommandTop, userCommandBottom };
             Definition.Description = description;
+            initIs();
         }
 
         public void initIs()

Source/RunActivity/Viewer3D/WebServices/SwitchPanel/SwitchPanelModule.cs

@@ -156,7 +156,7 @@ public static bool IsPressed(UserCommand userCommand)
         {
             bool toBeReturned = false;
 
-            if (InitDone)
+            if ((Connections > 0) && InitDone)
             {
                 if (SwitchesOnPanel.IsPressed(userCommand))
                 {
@@ -176,43 +176,34 @@ public static bool IsPressed(UserCommand userCommand)
                             break;
                     }
                 }
+
             }
             return toBeReturned;
         }
 
         public static bool IsDown(UserCommand userCommand)
         {
-            if (Connections > 0)
+            if ((Connections > 0) && InitDone)
             {
-                if (InitDone)
-                {
-                    if (SwitchesOnPanel.IsDown(userCommand))
-                    {
-                        return true;
-                    }
-                }
+                if (SwitchesOnPanel.IsDown(userCommand))
+                    return true;
             }
             return false;
         }
 
         public static bool IsUp(UserCommand userCommand)
         {
-            if (Connections > 0)
+            if ((Connections > 0) && InitDone)
             {
-                if (InitDone)
-                {
-                    if (SwitchesOnPanel.IsUp(userCommand))
-                    {
-                        return true;
-                    }
-                }
+                if (SwitchesOnPanel.IsUp(userCommand))
+                    return true;
             }
             return false;
         }
 
-        public static void SendAllSwitchStatus()
+        public static void SendSwitchPanelIfChanged()
         {
-            if ((Connections > 0) && (InitDone))
+            if ((Connections > 0) && InitDone)
             {
                 int rows = SwitchesOnPanel.GetSwitchesOnPanelArray().GetLength(0);
                 int cols = SwitchesOnPanel.GetSwitchesOnPanelArray().GetLength(1);