Nasal: Use nodes to manage properties

SmartInstrument and systems: Use pre-initialized Nodes instead of 
props.getNode

Nasal/SmartInstruments.nas

@@ -127,8 +127,7 @@ var SmartInstruments = {
         return me.infoImageIndex;
     },
     update: func(){
-        var currentSpeed = props.getNode("/", 1).getValue("sim/multiplay/generic/float[15]");
-        var currentSpeedKMH = sprintf("%i", currentSpeed*1.852);
+        var currentSpeedKMH = sprintf("%i", vehicleInformation.getSpeedKMH());
         me.speedometer.updateText(currentSpeedKMH);
         if(autospeed.active == 1){
             me.speedometer.setColor(0.34, 0.63, 1);
@@ -149,10 +148,10 @@ var SmartInstruments = {
             me.driveMode.updateText("Low Power");
         }
 
-        var tempC = props.getNode("/", 1).getValue("environment/temperature-degc");
+        var tempC = vehicleInformation.environment.temperature.getValue();
         me.tempDisplay.updateText(sprintf("%0.1f", tempC)~" °C");
-        var hour = props.getNode("/", 1).getValue("sim/time/real/hour");
-        var minute = props.getNode("/", 1).getValue("sim/time/real/minute");
+        var hour = vehicleInformation.getTimeHour();
+        var minute = vehicleInformation.getTimeMinute();
         if(minute < 10) minute = "0"~minute;
         me.timeDisplay.updateText(hour~":"~minute);
         #runtimeTextAdjust(timeDisplay);

Nasal/node_setup.nas

@@ -4,6 +4,8 @@ var VehicleInformationManager = {
         m._speedKTSNode = props.getNode("/sim/multiplay/generic/float[15]", 1);
         m._headingNode = props.getNode("/orientation/heading-deg",1);
         m._altitudeFTNode = props.getNode("/position/altitude-ft",1);
+		m._timeHourNode = props.getNode("sim/time/real/hour", 1);
+		m._timeMinuteNode = props.getNode("sim/time/real/minute", 1);
         return m;
     },
     getSpeedKMH: func(){
@@ -18,10 +20,20 @@ var VehicleInformationManager = {
     getAltitudeFT: func(){
         return me._altitudeFTNode.getValue();
     },
+	getTimeHour: func(){
+		return me._timeHourNode.getValue();
+	},
+	getTimeMinute: func(){
+		return me._timeMinuteNode.getValue();
+	},
 };
 
 var vehicleInformation = VehicleInformationManager.new();
 
+
+#//Environment
+vehicleInformation.environment.temperature = props.getNode("environment/temperature-degc", 1);
+
 #//For Engine
 vehicleInformation.engine = {};
 vehicleInformation.engine.throttleNode = props.getNode("/controls/engines/engine/throttle",1);

Nasal/systems.nas

@@ -144,8 +144,8 @@ var IndicatorController = {
     leftIndicator : Indicator.new("left"),
     rightIndicator : Indicator.new("right"),
 
-    leftIndicatorSwitchNode: props.getNode("/controls/lighting/indicator/left_switch", 1),
-    rightIndicatorSwitchNode: props.getNode("/controls/lighting/indicator/right_switch", 1),
+    leftIndicatorSwitchNode: vehicleInformation.lighting.indicator.leftSwitch,
+    rightIndicatorSwitchNode: vehicleInformation.lighting.indicator.rightSwitch,
 
     mode:0,