Add SignalTypeName and DrawStateName to SignalFeatures

https://blueprints.launchpad.net/or/+spec/tcs-extensions

Author: Sharpe49

Source/Orts.Simulation/Common/Scripting/TrainControlSystem.cs

@@ -692,16 +692,20 @@ public enum MonitoringStatus
     public struct SignalFeatures
     {
         public readonly string MainHeadSignalTypeName;
+        public readonly string SignalTypeName;
         public readonly Aspect Aspect;
+        public readonly string DrawStateName;
         public readonly float DistanceM;
         public readonly float SpeedLimitMpS;
         public readonly float AltitudeM;
         public readonly string TextAspect;
 
-        public SignalFeatures(string mainHeadSignalTypeName, Aspect aspect, float distanceM, float speedLimitMpS, float altitudeM, string textAspect = "")
+        public SignalFeatures(string mainHeadSignalTypeName, string signalTypeName, Aspect aspect, string drawStateName, float distanceM, float speedLimitMpS, float altitudeM, string textAspect = "")
         {
             MainHeadSignalTypeName = mainHeadSignalTypeName;
+            SignalTypeName = signalTypeName;
             Aspect = aspect;
+            DrawStateName = drawStateName;
             DistanceM = distanceM;
             SpeedLimitMpS = speedLimitMpS;
             AltitudeM = altitudeM;

Source/Orts.Simulation/Simulation/RollingStocks/SubSystems/TrainControlSystem.cs

@@ -593,10 +593,12 @@ T NextGenericSignalItem<T>(int itemSequenceIndex, ref T retval, float maxDistanc
             return retval;
         }
 
-        SignalFeatures NextGenericSignalFeatures(string signalTypeName, int itemSequenceIndex, float maxDistanceM, Train.TrainObjectItem.TRAINOBJECTTYPE type)
+        SignalFeatures NextGenericSignalFeatures(string signalFunctionTypeName, int itemSequenceIndex, float maxDistanceM, Train.TrainObjectItem.TRAINOBJECTTYPE type)
         {
             var mainHeadSignalTypeName = "";
+            var signalTypeName = "";
             var aspect = Aspect.None;
+            var drawStateName = "";
             var distanceM = float.MaxValue;
             var speedLimitMpS = -1f;
             var altitudeM = float.MinValue;
@@ -609,7 +611,7 @@ SignalFeatures NextGenericSignalFeatures(string signalTypeName, int itemSequence
 
             int index = dir == 0 ? Locomotive.Train.PresentPosition[dir].RouteListIndex :
                 Locomotive.Train.ValidRoute[dir].GetRouteIndex(Locomotive.Train.PresentPosition[dir].TCSectionIndex, 0);
-            int fn_type = Locomotive.Train.signalRef.ORTSSignalTypes.IndexOf(signalTypeName);
+            int fn_type = Locomotive.Train.signalRef.ORTSSignalTypes.IndexOf(signalFunctionTypeName);
             if (index < 0)
                 goto Exit;
             if (type == Train.TrainObjectItem.TRAINOBJECTTYPE.SIGNAL)
@@ -629,7 +631,7 @@ SignalFeatures NextGenericSignalFeatures(string signalTypeName, int itemSequence
                 // All OK, we can retrieve the data for the required signal;
                 distanceM = trainSignal.DistanceToTrainM;
                 mainHeadSignalTypeName = trainSignal.SignalObject.SignalHeads[0].SignalTypeName;
-                if (signalTypeName == "NORMAL")
+                if (signalFunctionTypeName == "NORMAL")
                 {
                     aspect = (Aspect)trainSignal.SignalState;
                     speedLimitMpS = trainSignal.AllowedSpeedMpS;
@@ -639,7 +641,13 @@ SignalFeatures NextGenericSignalFeatures(string signalTypeName, int itemSequence
                 {
                     aspect = (Aspect)Locomotive.Train.signalRef.TranslateToTCSAspect(trainSignal.SignalObject.this_sig_lr(fn_type));
                 }
+
                 var functionHead = trainSignal.SignalObject.SignalHeads.Find(head => head.ORTSsigFunctionIndex == fn_type);
+                signalTypeName = functionHead.SignalTypeName;
+                if (functionHead.draw_state >= 0)
+                {
+                    drawStateName = functionHead.signalType.DrawStates.First(d => d.Value.Index == functionHead.draw_state).Value.Name;
+                }
                 textAspect = functionHead?.TextSignalAspect ?? "";
             }
             else if (type == Train.TrainObjectItem.TRAINOBJECTTYPE.SPEEDPOST)
@@ -657,7 +665,7 @@ SignalFeatures NextGenericSignalFeatures(string signalTypeName, int itemSequence
             }
 
         Exit:
-            return new SignalFeatures(mainHeadSignalTypeName: mainHeadSignalTypeName, aspect: aspect, distanceM: distanceM, speedLimitMpS: speedLimitMpS,
+            return new SignalFeatures(mainHeadSignalTypeName: mainHeadSignalTypeName, signalTypeName: signalTypeName, aspect: aspect, drawStateName: drawStateName, distanceM: distanceM, speedLimitMpS: speedLimitMpS,
                 altitudeM: altitudeM, textAspect: textAspect);
         }