Add several common engine faults to the net_ctrls structure.

src/Network/native_ctrls.cxx

@@ -119,6 +119,7 @@ void FGProps2NetCtrls( FGNetCtrls *net, bool honor_freezes,
                                     1.0 ) >= 1.0;
     net->num_engines = FGNetCtrls::FG_MAX_ENGINES;
     for ( i = 0; i < FGNetCtrls::FG_MAX_ENGINES; ++i ) {
+        // Controls
         node = fgGetNode("/controls/engines/engine", i );
 	net->throttle[i] = node->getDoubleValue( "throttle", 0.0 );
 	net->mixture[i] = node->getDoubleValue( "mixture", 0.0 );
@@ -131,7 +132,6 @@ void FGProps2NetCtrls( FGNetCtrls *net, bool honor_freezes,
 	  // cout << "Starter -> " << node->getIntValue( "starter", false )
 	  //      << endl;
 	}
-        node = fgGetNode("/controls", true);
 	net->fuel_pump_power[i]
             = node->getDoubleValue( "/systems/electrical/outputs/fuel-pump",
                                     1.0 ) >= 1.0;
@@ -139,6 +139,20 @@ void FGProps2NetCtrls( FGNetCtrls *net, bool honor_freezes,
 	net->starter_power[i]
             = node->getDoubleValue( "/systems/electrical/outputs/starter",
                                     1.0 ) >= 1.0;
+
+	// Faults
+	SGPropertyNode *faults = node->getChild( "faults", 0, true );
+	net->engine_ok[i] = faults->getBoolValue( "serviceable", true );
+	net->mag_left_ok[i]
+	  = faults->getBoolValue( "left-magneto-serviceable", true );
+	net->mag_right_ok[i]
+	  = faults->getBoolValue( "right-magneto-serviceable", true);
+	net->spark_plugs_ok[i]
+	  = faults->getBoolValue( "spark-plugs-serviceable", true );
+	net->oil_press_status[i]
+	  = faults->getIntValue( "oil-pressure-status", 0 );
+	net->fuel_pump_ok[i]
+	  = faults->getBoolValue( "fuel-pump-serviceable", true );
     }
     net->num_tanks = FGNetCtrls::FG_MAX_TANKS;
     for ( i = 0; i < FGNetCtrls::FG_MAX_TANKS; ++i ) {
@@ -216,12 +230,18 @@ void FGProps2NetCtrls( FGNetCtrls *net, bool honor_freezes,
         htond(net->flaps);
         net->flaps_power = htonl(net->flaps_power);
         for ( i = 0; i < FGNetCtrls::FG_MAX_ENGINES; ++i ) {
+            net->magnetos[i] = htonl(net->magnetos[i]);
+            net->starter_power[i] = htonl(net->starter_power[i]);
             htond(net->throttle[i]);
             htond(net->mixture[i]);
             net->fuel_pump_power[i] = htonl(net->fuel_pump_power[i]);
             htond(net->prop_advance[i]);
-            net->magnetos[i] = htonl(net->magnetos[i]);
+	    net->engine_ok[i] = htonl(net->engine_ok[i]);
-            net->starter_power[i] = htonl(net->starter_power[i]);
+	    net->mag_left_ok[i] = htonl(net->mag_left_ok[i]);
+	    net->mag_right_ok[i] = htonl(net->mag_right_ok[i]);
+	    net->spark_plugs_ok[i] = htonl(net->spark_plugs_ok[i]);
+	    net->oil_press_status[i] = htonl(net->oil_press_status[i]);
+	    net->fuel_pump_ok[i] = htonl(net->fuel_pump_ok[i]);
         }
         net->num_engines = htonl(net->num_engines);
         for ( i = 0; i < FGNetCtrls::FG_MAX_TANKS; ++i ) {
@@ -272,6 +292,12 @@ void FGNetCtrls2Props( FGNetCtrls *net, bool honor_freezes,
             htond(net->mixture[i]);
             net->fuel_pump_power[i] = htonl(net->fuel_pump_power[i]);
             htond(net->prop_advance[i]);
+	    net->engine_ok[i] = htonl(net->engine_ok[i]);
+	    net->mag_left_ok[i] = htonl(net->mag_left_ok[i]);
+	    net->mag_right_ok[i] = htonl(net->mag_right_ok[i]);
+	    net->spark_plugs_ok[i] = htonl(net->spark_plugs_ok[i]);
+	    net->oil_press_status[i] = htonl(net->oil_press_status[i]);
+	    net->fuel_pump_ok[i] = htonl(net->fuel_pump_ok[i]);
         }
         net->num_tanks = htonl(net->num_tanks);
         for ( i = 0; i < net->num_tanks; ++i ) {
@@ -311,12 +337,25 @@ void FGNetCtrls2Props( FGNetCtrls *net, bool honor_freezes,
     fgSetBool( "/systems/electrical/outputs/flaps", net->flaps_power );
 
     for ( i = 0; i < FGNetCtrls::FG_MAX_ENGINES; ++i ) {
+        // Controls
         node = fgGetNode("/controls/engines/engine", i);
         node->getChild( "throttle" )->setDoubleValue( net->throttle[i] );
         node->getChild( "mixture" )->setDoubleValue( net->mixture[i] );
         node->getChild( "propeller-pitch" )
             ->setDoubleValue( net->prop_advance[i] );
         node->getChild( "magnetos" )->setDoubleValue( net->magnetos[i] );
+
+	// Faults
+	SGPropertyNode *faults = node->getNode( "faults", true );
+	faults->setBoolValue( "serviceable", net->engine_ok[i] );
+	faults->setBoolValue( "left-magneto-serviceable",
+			      net->mag_left_ok[i] );
+	faults->setBoolValue( "right-magneto-serviceable",
+			      net->mag_right_ok[i]);
+	faults->setBoolValue( "spark-plugs-serviceable",
+			      net->spark_plugs_ok[i] );
+	faults->setIntValue( "oil-pressure-status", net->oil_press_status[i] );
+	faults->setBoolValue( "fuel-pump-serviceable", net->fuel_pump_ok[i] );
     }
 
     fgSetBool( "/systems/electrical/outputs/fuel-pump",

src/Network/net_ctrls.hxx

@@ -30,7 +30,7 @@
 # error This library requires C++
 #endif                                   
 
-const int FG_NET_CTRLS_VERSION = 14;
+const int FG_NET_CTRLS_VERSION = 15;
 
 
 // Define a structure containing the control parameters
@@ -53,6 +53,8 @@ public:
     double elevator_trim;	         // -1 ... 1
     double rudder;		         // -1 ... 1
     double flaps;		         //  0 ... 1
+
+    // Aero control faults
     bool flaps_power;                    //  true = power available
 
     // Engine controls
@@ -64,6 +66,14 @@ public:
     bool fuel_pump_power[FG_MAX_ENGINES];// true = on
     double prop_advance[FG_MAX_ENGINES]; //  0 ... 1
 
+    // Engine faults
+    bool engine_ok[FG_MAX_ENGINES];
+    bool mag_left_ok[FG_MAX_ENGINES];
+    bool mag_right_ok[FG_MAX_ENGINES];
+    bool spark_plugs_ok[FG_MAX_ENGINES]; // false = fouled plugs
+    int oil_press_status[FG_MAX_ENGINES]; // 0 = normal, 1 = low, 2 = full fail
+    bool fuel_pump_ok[FG_MAX_ENGINES];
+
     // Fuel management
     int num_tanks;                       // number of valid tanks
     bool fuel_selector[FG_MAX_TANKS];    // false = off, true = on