Moved signals initialization after world info addition

Author: Sharpe49

Source/Orts.Simulation/Simulation/Signalling/SignalHead.cs

@@ -143,7 +143,6 @@ public void SetSignalType(TrItem[] TrItems, SignalConfigurationFile sigCFG)
                 usedCsSignalScript = Signals.CsSignalScripts.LoadSignalScript(signalType.Script)
                     ?? Signals.CsSignalScripts.LoadSignalScript(signalType.Name);
                 usedCsSignalScript?.AttachToHead(this);
-                usedCsSignalScript?.Initialize();
 
                 // set signal speeds
                 foreach (SignalAspect thisAspect in signalType.Aspects)
@@ -188,8 +187,11 @@ public void SetSignalType(TrItem[] TrItems, SignalConfigurationFile sigCFG)
                 Trace.TraceWarning("SignalObject trItem={0}, trackNode={1} has SignalHead with undefined SignalType {2}.",
                                   mainSignal.trItem, mainSignal.trackNode, sigItem.SignalType);
             }
+        }
 
-
+        public void Initialize()
+        {
+            usedCsSignalScript?.Initialize();
         }
 
         /// <summary>

Source/Orts.Simulation/Simulation/Signalling/SignalObject.cs

@@ -1902,6 +1902,14 @@ public void SetSignalType(SignalConfigurationFile sigCFG)
             }
         }
 
+        public void Initialize()
+        {
+            foreach (SignalHead head in SignalHeads)
+            {
+                head.Initialize();
+            }
+        }
+
         /// <summary>
         /// Gets the display aspect for the track monitor.
         /// </summary>

Source/Orts.Simulation/Simulation/Signalling/Signals.cs

@@ -121,6 +121,8 @@ public Signals(Simulator simulator, SignalConfigurationFile sigcfg, Cancellation
                 // Add World info
                 AddWorldInfo();
 
+                InitializeSignals();
+
                 // check for any backfacing heads in signals
                 // if found, split signal
                 SplitBackfacing(trackDB.TrItemTable, trackDB.TrackNodes);
@@ -1179,6 +1181,20 @@ private void AddWorldInfo()
                 }
             }
         }
+        
+        private void InitializeSignals()
+        {
+            foreach (SignalObject signal in SignalObjects)
+            {
+                if (signal != null)
+                {
+                    if (signal.isSignal || signal.isSpeedSignal)
+                    {
+                        signal.Initialize();
+                    }
+                }
+            }
+        }
 
         /// <summary>
         /// FindByTrItem : find required signalObj + signalHead