Add extra trigger to control track sounds

Author: peternewell

Source/Orts.Formats.Msts/SoundManagmentFile.cs

@@ -393,7 +393,7 @@ public class Variable_Trigger : Trigger
     {
         public enum Events { Speed_Inc_Past, Speed_Dec_Past, Distance_Inc_Past, Distance_Dec_Past,
         Variable1_Inc_Past, Variable1_2_Inc_Past, Variable1_3_Inc_Past, Variable1_4_Inc_Past, Variable1_Dec_Past, Variable1_2_Dec_Past, Variable1_3_Dec_Past, Variable1_4_Dec_Past, Variable2_Inc_Past, Variable2_Dec_Past, Variable3_Inc_Past, Variable3_Dec_Past, BrakeCyl_Inc_Past, BrakeCyl_Dec_Past, CurveForce_Inc_Past, CurveForce_Dec_Past, AngleofAttack_Inc_Past, AngleofAttack_Dec_Past, WheelRpM_Dec_Past, WheelRPM_Inc_Past, TrackJoints_Inc_Past, TrackJoints_Dec_Past, CarOnSwitch_Inc_Past, CarOnSwitch_Dec_Past, CarOnXover_Inc_Past, CarOnXover_Dec_Past, WagonAxles_Inc_Past, WagonAxles_Dec_Past,
-            ConcreteSleepers_Inc_Past, ConcreteSleepers_Dec_Past, CarInTunnel_Inc_Past, CarInTunnel_Dec_Past
+            ConcreteSleepers_Inc_Past, ConcreteSleepers_Dec_Past, CarInTunnel_Inc_Past, CarInTunnel_Dec_Past,CarCameraDistance_Inc_Past, CarCameraDistance_Dec_Past
         };
 
         public Events Event;
@@ -456,6 +456,8 @@ public Variable_Trigger(STFReader f)
                 case "concretesleepers_dec_past": Event = Events.ConcreteSleepers_Dec_Past; break;
                 case "carintunnel_inc_past": Event = Events.CarInTunnel_Inc_Past; break;
                 case "carintunnel_dec_past": Event = Events.CarInTunnel_Dec_Past; break;
+                case "carcameradistance_inc_past": Event = Events.CarCameraDistance_Inc_Past; break;
+                case "carcameradistance_dec_past": Event = Events.CarCameraDistance_Dec_Past; break;
             }
 
 

Source/RunActivity/Viewer3D/Sound.cs

@@ -1988,6 +1988,7 @@ public override void TryTrigger( )
                 case Orts.Formats.Msts.Variable_Trigger.Events.CarOnXover_Dec_Past:
                 case Orts.Formats.Msts.Variable_Trigger.Events.ConcreteSleepers_Dec_Past:
                 case Orts.Formats.Msts.Variable_Trigger.Events.CarInTunnel_Dec_Past:
+                case Orts.Formats.Msts.Variable_Trigger.Events.CarCameraDistance_Dec_Past:
                     if (newValue < SMS.Threshold)
                     {
                         Signaled = true;
@@ -2013,6 +2014,7 @@ public override void TryTrigger( )
                 case Orts.Formats.Msts.Variable_Trigger.Events.CarOnXover_Inc_Past:
                 case Orts.Formats.Msts.Variable_Trigger.Events.ConcreteSleepers_Inc_Past:
                 case Orts.Formats.Msts.Variable_Trigger.Events.CarInTunnel_Inc_Past:
+                case Orts.Formats.Msts.Variable_Trigger.Events.CarCameraDistance_Inc_Past:
                     if (newValue > SMS.Threshold)
                     {
                         Signaled = true;
@@ -2124,7 +2126,9 @@ private float ReadValue()
                 case Orts.Formats.Msts.Variable_Trigger.Events.CarInTunnel_Dec_Past:
                 case Orts.Formats.Msts.Variable_Trigger.Events.CarInTunnel_Inc_Past:
                     return car.TrackSoundInTunnelTriggered;
-
+                case Orts.Formats.Msts.Variable_Trigger.Events.CarCameraDistance_Dec_Past:
+                case Orts.Formats.Msts.Variable_Trigger.Events.CarCameraDistance_Inc_Past:
+                    return car.CarTrackControlledDistanceM;
 
                 default:
                     return 0;