#include <iosfwd>
+#include "navaids_fwd.hxx"
#include "positioned.hxx"
+#include <Airports/airports_fwd.hxx>
-#define FG_NAV_DEFAULT_RANGE 50 // nm
-#define FG_LOC_DEFAULT_RANGE 18 // nm
-#define FG_DME_DEFAULT_RANGE 50 // nm
-#define FG_NAV_MAX_RANGE 300 // nm
+#include <simgear/props/propsfwd.hxx>
+#include <simgear/timing/timestamp.hxx>
-// FIXME - get rid of these, and use the real enum directly
-#define FG_NAV_VOR FGPositioned::VOR
-#define FG_NAV_NDB FGPositioned::NDB
-#define FG_NAV_ILS FGPositioned::ILS
-#define FG_NAV_ANY FGPositioned::INVALID
-
-typedef FGPositioned::Type fg_nav_types;
-
-// forward decls
-class FGRunway;
-class SGPropertyNode;
+const double FG_NAV_DEFAULT_RANGE = 50; // nm
+const double FG_LOC_DEFAULT_RANGE = 18; // nm
+const double FG_DME_DEFAULT_RANGE = 50; // nm
+const double FG_TACAN_DEFAULT_RANGE = 250; // nm
+const double FG_NAV_MAX_RANGE = 300; // nm
class FGNavRecord : public FGPositioned
{
// (degrees) or localizer heading
// (degrees) or dme bias (nm)
- std::string _name; // verbose name in nav database
- FGRunway* mRunway; // associated runway, if there is one
+ std::string mName; // verbose name in nav database
+ PositionedID mRunway; // associated runway, if there is one
+ PositionedID mColocated; // Colocated DME at a navaid (ILS, VOR, TACAN, NDB)
- bool serviceable; // for failure modeling
- std::string trans_ident; // for failure modeling
+ protected:
+ mutable bool serviceable; // for failure modeling
- /**
- * Helper to init data when a navrecord is associated with an airport
- */
- void initAirportRelation();
-
- void alignLocaliserWithRunway(double aThreshold);
-
- void readAirportSceneryData();
- void processSceneryILS(SGPropertyNode* aILSNode);
-public:
- inline ~FGNavRecord(void) {}
+ public:
+ FGNavRecord( PositionedID aGuid,
+ Type type,
+ const std::string& ident,
+ const std::string& name,
+ const SGGeod& aPos,
+ int freq,
+ int range,
+ double multiuse,
+ PositionedID aRunway );
- FGNavRecord(Type type, const std::string& ident, const std::string& name,
- const SGGeod& aPos,
- int freq, int range, double multiuse);
-
inline double get_lon() const { return longitude(); } // degrees
inline double get_lat() const { return latitude(); } // degrees
inline double get_elev_ft() const { return elevation(); }
inline const char *get_ident() const { return ident().c_str(); }
inline bool get_serviceable() const { return serviceable; }
- inline const char *get_trans_ident() const { return trans_ident.c_str(); }
+ inline const char *get_trans_ident() const { return get_ident(); }
virtual const std::string& name() const
- { return _name; }
+ { return mName; }
/**
* Retrieve the runway this navaid is associated with (for ILS/LOC/GS)
*/
- FGRunway* runway() const { return mRunway; }
+ FGRunwayRef runway() const;
+
+ /**
+ * return the localizer width, in degrees
+ * computation is based up ICAO stdandard width at the runway threshold
+ * see implementation for further details.
+ */
+ double localizerWidth() const;
+
+ void bindToNode(SGPropertyNode* nd) const;
+ void unbindFromNode(SGPropertyNode* nd) const;
+
+ void setColocatedDME(PositionedID other);
+ bool hasDME();
+
+ void updateFromXML(const SGGeod& geod, double heading);
+};
+
+/**
+ * A mobile navaid, aka. a navaid which can change its position (eg. a mobile
+ * TACAN)
+ */
+class FGMobileNavRecord:
+ public FGNavRecord
+{
+ public:
+ FGMobileNavRecord( PositionedID aGuid,
+ Type type,
+ const std::string& ident,
+ const std::string& name,
+ const SGGeod& aPos,
+ int freq,
+ int range,
+ double multiuse,
+ PositionedID aRunway );
+
+ virtual const SGGeod& geod() const;
+ virtual const SGVec3d& cart() const;
+
+ void updateVehicle();
+ void updatePos();
+
+ protected:
+ SGTimeStamp _last_vehicle_update;
+ SGPropertyNode_ptr _vehicle_node;
+ double _initial_elevation_ft; // Elevation as given in the config file
};
class FGTACANRecord : public SGReferenced {