X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FInstrumentation%2Fairspeed_indicator.hxx;h=26dd15a525167c1b63c2a25e12289c07a1443741;hb=0b9adf8854398461333eba43df18fa2f5c8231a1;hp=8f0cfd45d699e3b35824b63b7166a9ef680b0727;hpb=2119db35c3f596268e2ee21d3cd8c359a85cd1ed;p=flightgear.git

diff --git a/src/Instrumentation/airspeed_indicator.hxx b/src/Instrumentation/airspeed_indicator.hxx
index 8f0cfd45d..26dd15a52 100644
--- a/src/Instrumentation/airspeed_indicator.hxx
+++ b/src/Instrumentation/airspeed_indicator.hxx
@@ -12,43 +12,63 @@
 #endif
 
 #include <simgear/props/props.hxx>
+#include <simgear/structure/subsystem_mgr.hxx>
 
-#include <Main/fgfs.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
  */
-class AirspeedIndicator : public FGSubsystem
+class AirspeedIndicator : public SGSubsystem
 {
 
 public:
 
-    AirspeedIndicator ();
+    AirspeedIndicator ( SGPropertyNode *node );
     virtual ~AirspeedIndicator ();
 
     virtual void init ();
     virtual void update (double dt);
 
 private:
+    void computeMach(double ias);
 
+    std::string _name;
+    unsigned int _num;
+    string _total_pressure;
+    string _static_pressure;
+    bool _has_overspeed;
+    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