Do not check DPU status for MU wire

Author: cesarBLG

Source/Orts.Simulation/Simulation/RollingStocks/MSTSLocomotive.cs

@@ -5073,33 +5073,6 @@ public override string GetDPDynamicBrakeStatus()
                 return string.Format("{0:F0}% {1}", DynamicBrakePercent, dpStatus);
             return string.Format("{0} {1}", DynamicBrakeController.GetStatus(), dpStatus);
         }
-
-        public override string GetMultipleUnitsConfiguration()
-        {
-            if (Train == null)
-                return base.GetMultipleUnitsConfiguration();
-            var numberOfLocomotives = 0;
-            var group = 0;
-            var configuration = "";
-
-            var remoteControlGroup = 0;
-            for (var i = 0; i < Train.Cars.Count; i++)
-            {
-                if (Train.Cars[i] is MSTSLocomotive)
-                {
-                    if (remoteControlGroup != (remoteControlGroup = Train.Cars[i].RemoteControlGroup) && i != 0)
-                    {
-                        configuration += string.Format("{0} | ", group);
-                        group = 0;
-                    }
-                    group++;
-                    numberOfLocomotives++;
-                }
-            }
-            if (group > 0)
-                configuration += string.Format("{0}", group);
-            return numberOfLocomotives > 0 ? configuration : null;
-        }
         #endregion
 
         public override void SignalEvent(TCSEvent evt)

Source/RunActivity/Viewer3D/Popups/TrainCarOperationsViewerWindow.cs

@@ -437,11 +437,8 @@ void AddSpace(bool full)
                     }
                     if (isElectricDieselLocomotive)
                     {
-                        if (locomotive.GetMultipleUnitsConfiguration() != null)
-                        {
-                            line.Add(new buttonToggleMU(0, 0, textHeight, Owner.Viewer, CarPosition));
-                            AddSpace(false);
-                        }
+                        line.Add(new buttonToggleMU(0, 0, textHeight, Owner.Viewer, CarPosition));
+                        AddSpace(false);
 
                         line.Add(new buttonTogglePower(0, 0, textHeight, Owner.Viewer, CarPosition));
                         AddSpace(false);
@@ -1081,18 +1078,16 @@ class buttonToggleMU : Image
             readonly Viewer Viewer;
             readonly TrainCarOperationsViewerWindow TrainCarViewer;
             readonly TrainCar CurrentCar;
-            readonly string MultipleUnitsConfiguration;
             public buttonToggleMU(int x, int y, int size, Viewer viewer, int carPosition)
                 : base(x, y, size, size)
             {
                 Viewer = viewer;
                 TrainCarViewer = Viewer.TrainCarOperationsViewerWindow;
                 CurrentCar = Viewer.PlayerTrain.Cars[carPosition];
 
-                MultipleUnitsConfiguration = Viewer.PlayerLocomotive.GetMultipleUnitsConfiguration();
-                if (CurrentCar is MSTSLocomotive && MultipleUnitsConfiguration != null)
+                if (CurrentCar is MSTSLocomotive)
                 {
-                    Texture = Viewer.TrainCarOperationsWindow.ModifiedSetting || ((CurrentCar as MSTSLocomotive).RemoteControlGroup == 0 && MultipleUnitsConfiguration != "1") ? MUconnected : MUdisconnected;
+                    Texture = Viewer.TrainCarOperationsWindow.ModifiedSetting || ((CurrentCar as MSTSLocomotive).RemoteControlGroup == 0) ? MUconnected : MUdisconnected;
                 }
                 else
                 {
@@ -1108,7 +1103,7 @@ void buttonToggleMU_Click(Control arg1, Point arg2)
                     MSTSLocomotive locomotive = CurrentCar as MSTSLocomotive;
 
                     new ToggleMUCommand(Viewer.Log, locomotive, locomotive.RemoteControlGroup < 0);
-                    if (locomotive.RemoteControlGroup == 0 && MultipleUnitsConfiguration != "1")
+                    if (locomotive.RemoteControlGroup == 0)
                     {
                         Viewer.Simulator.Confirmer.Information(Viewer.Catalog.GetString("MU signal connected"));
                         Texture = MUconnected;

Source/RunActivity/Viewer3D/Popups/TrainCarOperationsWindow.cs

@@ -485,11 +485,8 @@ void AddSpace()
                                 }
                                 if (isElectricDieselLocomotive)
                                 {
-                                    if (locomotive.GetMultipleUnitsConfiguration() != null)
-                                    {
-                                        line.Add(new buttonToggleMU(0, 0, SymbolSize, Owner.Viewer, carPosition));
-                                        AddSpace();
-                                    }
+                                    line.Add(new buttonToggleMU(0, 0, SymbolSize, Owner.Viewer, carPosition));
+                                    AddSpace();
 
                                     line.Add(new buttonTogglePower(0, 0, SymbolSize, Owner.Viewer, carPosition));
                                     AddSpace();
@@ -1262,10 +1259,9 @@ public buttonToggleMU(int x, int y, int size, Viewer viewer, int carPosition)
             Viewer = viewer;
             CarPosition = carPosition;
 
-            var multipleUnitsConfiguration = Viewer.PlayerLocomotive.GetMultipleUnitsConfiguration();
-            if ((Viewer.PlayerTrain.Cars[CarPosition] is MSTSLocomotive) && multipleUnitsConfiguration != null)
+            if (Viewer.PlayerTrain.Cars[CarPosition] is MSTSLocomotive)
             {
-                Texture = (Viewer.PlayerTrain.Cars[CarPosition] as MSTSLocomotive).RemoteControlGroup == 0 && multipleUnitsConfiguration != "1" ? MUconnected : MUdisconnected;
+                Texture = (Viewer.PlayerTrain.Cars[CarPosition] as MSTSLocomotive).RemoteControlGroup == 0 ? MUconnected : MUdisconnected;
             }
             else
             {