]> git.mxchange.org Git - flightgear.git/blobdiff - src/Instrumentation/airspeed_indicator.hxx
Support for multiple data dirs.
[flightgear.git] / src / Instrumentation / airspeed_indicator.hxx
index 0572a0eb120b5a97c2fec2a6c5cdcb72ccadb6e6..1df6fe09b482a819ebb6f5c30f2dd438a24b1997 100644 (file)
@@ -1,6 +1,7 @@
 // airspeed_indicator.hxx - a regular VSI tied to the static port.
 // Written by David Megginson, started 2002.
 //
+// Last modified by Eric van den Berg, 24 Nov 2012
 // This file is in the Public Domain and comes with no warranty.
 
 
 #include <simgear/props/props.hxx>
 #include <simgear/structure/subsystem_mgr.hxx>
 
+// forward decls
+class FGEnvironmentMgr;
 
 /**
  * Model an airspeed indicator tied to the pitot and static ports.
  *
  * Input properties:
  *
- * /instrumentation/airspeed-indicator/serviceable
- * /systems/pitot[0]/total-pressure-inhg
- * /systems/static[0]/pressure-inhg
+ * /instrumentation/"name"/serviceable
+ * "pitot_port"/total-pressure-inhg
+ * "static_port"/pressure-inhg
  * /environment/density-slugft3
  *
  * Output properties:
  *
- * /instrumentation/airspeed-indicator/indicated-speed-kt
+ * /instrumentation/"name"/indicated-speed-kt
+ * /instrumentation/"name"/true-speed-kt
+ * /instrumentation/"name"/indicated-mach
  */
 class AirspeedIndicator : public SGSubsystem
 {
 
 public:
 
-    AirspeedIndicator ();
+    AirspeedIndicator ( SGPropertyNode *node );
     virtual ~AirspeedIndicator ();
 
     virtual void init ();
+    virtual void reinit ();
     virtual void update (double dt);
 
 private:
+    void computeMach();
 
+    std::string _name;
+    unsigned int _num;
+    std::string _total_pressure;
+    std::string _static_pressure;
+    bool _has_overspeed;
+    std::string _pressure_alt_source;
+    double _ias_limit;
+    double _mach_limit;
+    double _alt_threshold;
+    
+    SGPropertyNode_ptr _ias_limit_node;
+    SGPropertyNode_ptr _mach_limit_node;
+    SGPropertyNode_ptr _alt_threshold_node;
     SGPropertyNode_ptr _serviceable_node;
     SGPropertyNode_ptr _total_pressure_node;
     SGPropertyNode_ptr _static_pressure_node;
     SGPropertyNode_ptr _density_node;
     SGPropertyNode_ptr _speed_node;
+    SGPropertyNode_ptr _airspeed_limit;
+    SGPropertyNode_ptr _pressure_alt;
+    SGPropertyNode_ptr _mach_node;
+    SGPropertyNode_ptr _tas_node;
     
+    FGEnvironmentMgr* _environmentManager;
 };
 
 #endif // __INSTRUMENTS_AIRSPEED_INDICATOR_HXX