added webpage with Train Car Operations

Author: sweiland-openrails

Source/RunActivity/Viewer3D/Cameras.cs

@@ -1066,18 +1066,18 @@ protected override void OnActivate(bool sameCamera)
             var carPosition = !(TrainCarViewer.CarPosition < trainCars.Count()) ? TrainCarViewer.CarPosition - 1 : TrainCarViewer.CarPosition;
             var isDownCameraOutsideFront = UserInput.IsDown(UserCommand.CameraOutsideFront);
             var isDownCameraOutsideRear = UserInput.IsDown(UserCommand.CameraOutsideRear);
-            var isVisibleTrainCarViewer = Viewer.TrainCarOperationsViewerWindow.Visible;            
+            var isVisibleTrainCarViewerOrWebpage = Viewer.TrainCarOperationsViewerWindow.Visible || (Viewer.TrainCarOperationsWebpage.TrainCarSelected);            
 
             if (attachedCar == null || attachedCar.Train != Viewer.SelectedTrain || carPosition != oldCarPosition || isDownCameraOutsideFront || isDownCameraOutsideRear)
             {
                 if (Front)
                 {
-                    if (!isVisibleTrainCarViewer && isDownCameraOutsideFront)
+                    if (!isVisibleTrainCarViewerOrWebpage && isDownCameraOutsideFront)
                     {
                         SetCameraCar(GetCameraCars().First());
                         oldCarPosition = 0;
                     }
-                    else if (isVisibleTrainCarViewer && carPosition >= 0)
+                    else if (isVisibleTrainCarViewerOrWebpage && carPosition >= 0)
                     {
                         SetCameraCar(trainCars[carPosition]);
                         oldCarPosition = carPosition;
@@ -1092,12 +1092,12 @@ protected override void OnActivate(bool sameCamera)
                 }
                 else
                 {
-                    if (!isVisibleTrainCarViewer && isDownCameraOutsideRear)
+                    if (!isVisibleTrainCarViewerOrWebpage && isDownCameraOutsideRear)
                     {
                         SetCameraCar(GetCameraCars().Last());
                         oldCarPosition = 0;
                     }
-                    else if (isVisibleTrainCarViewer && carPosition >= 0)
+                    else if (isVisibleTrainCarViewerOrWebpage && carPosition >= 0)
                     {
                         SetCameraCar(trainCars[carPosition]);
                         oldCarPosition = carPosition;

Source/RunActivity/Viewer3D/Viewer.cs

@@ -40,6 +40,7 @@
 using Orts.Viewer3D.Processes;
 using Orts.Viewer3D.RollingStock;
 using Orts.Viewer3D.WebServices.SwitchPanel;
+using Orts.Viewer3D.WebServices;
 using ORTS.Common;
 using ORTS.Common.Input;
 using ORTS.Scripting.Api;
@@ -95,6 +96,7 @@ public class Viewer
         public TrainOperationsWindow TrainOperationsWindow { get; private set; } // F9 window
         public TrainCarOperationsWindow TrainCarOperationsWindow { get; private set; } // Alt-F9 window
         public TrainCarOperationsViewerWindow TrainCarOperationsViewerWindow { get; private set; } // From TrainCarOperationWindow
+        public TrainCarOperationsWebpage TrainCarOperationsWebpage { get; set; }
         public CarOperationsWindow CarOperationsWindow { get; private set; } // F9 sub-window for car operations
         public TrainDpuWindow TrainDpuWindow { get; private set; } // Shift + F9 train distributed power window
         public NextStationWindow NextStationWindow { get; private set; } // F10 window
@@ -870,6 +872,20 @@ public void Update(RenderFrame frame, float elapsedRealTime)
             WindowManager.PrepareFrame(frame, elapsedTime);
 
             SwitchPanelModule.SendSwitchPanelIfChanged();
+            
+            try
+            {
+                if ((PlayerTrain != null) && (TrainCarOperationsWebpage != null))
+                {
+                    TrainCarOperationsWebpage.handleReceiveAndSend();
+                }
+            }
+            catch (Exception error)
+            {
+                // some timing error causes an exception sometimes
+                // just silently ignore but log the exception
+                Trace.TraceWarning(error.ToString());
+            }
         }
 
         private void LoadDefectCarSound(TrainCar car, string filename)