Windows animation for wagon windows

Author: Csantucci

Source/Orts.Simulation/Simulation/Simulator.cs

@@ -733,6 +733,12 @@ public void SetCommandReceivers()
             EOTMountCommand.Receiver = (MSTSLocomotive)PlayerLocomotive;
         }
 
+        public void SetWagonCommandReceivers(MSTSWagon wag)
+        {
+            ToggleWindowLeftCommand.Receiver = wag;
+            ToggleWindowRightCommand.Receiver = wag;
+        }
+
         public TrainCar SetPlayerLocomotive(Train playerTrain)
         {
             TrainCar PlayerLocomotive = null;

Source/RunActivity/Viewer3D/AnimatedPart.cs

@@ -150,6 +150,14 @@ public float UpdateAndReturnState(bool state, ElapsedTime elapsedTime)
             return AnimationKey / FrameCount;
         }
 
+        /// <summary>
+        /// Returns the animation key fraction (between 0 and 1)
+        /// </summary>
+        public float AnimationKeyFraction()
+        {
+            return AnimationKey / FrameCount;
+        }
+
         /// <summary>
         /// Updates an animated part that loops (e.g. running gear), changing by the given amount.
         /// </summary>

Source/RunActivity/Viewer3D/Cameras.cs

@@ -833,6 +833,7 @@ protected virtual List<TrainCar> GetCameraCars()
         protected virtual void SetCameraCar(TrainCar car)
         {
             attachedCar = car;
+            Viewer.Simulator.SetWagonCommandReceivers((MSTSWagon)car);
         }
 
         protected virtual bool IsCameraFlipped()

Source/RunActivity/Viewer3D/RollingStock/MSTSWagonViewer.cs

@@ -70,10 +70,10 @@ public class MSTSWagonViewer : TrainCarViewer
         AnimatedPart LeftDoor;
         AnimatedPart RightDoor;
         AnimatedPart Mirrors;
-        AnimatedPart LeftWindowFront;
-        AnimatedPart RightWindowFront;
-        AnimatedPart LeftWindowRear;
-        AnimatedPart RightWindowRear;
+        protected AnimatedPart LeftWindowFront;
+        protected AnimatedPart RightWindowFront;
+        protected AnimatedPart LeftWindowRear;
+        protected AnimatedPart RightWindowRear;
         protected AnimatedPart Wipers;
         protected AnimatedPart Bell;
         protected AnimatedPart Item1Continuous;
@@ -736,6 +736,13 @@ public override void PrepareFrame(RenderFrame frame, ElapsedTime elapsedTime)
                 foreach (ParticleEmitterViewer drawer in drawers)
                     drawer.PrepareFrame(frame, elapsedTime);
 
+            if (!(car is MSTSLocomotive) && (LeftWindowFront.FrameCount > 0 || RightWindowFront.FrameCount > 0))
+            {
+                if (LeftWindowFront.FrameCount > 0)
+                    car.SoundHeardInternallyCorrection[MSTSWagon.LeftWindowFrontIndex] = LeftWindowFront.AnimationKeyFraction();
+                if (RightWindowFront.FrameCount > 0)
+                    car.SoundHeardInternallyCorrection[MSTSWagon.RightWindowFrontIndex] = RightWindowFront.AnimationKeyFraction();
+            }
         }