#include <iosfwd>
-#include <simgear/math/SGMath.hxx>
-#include <simgear/structure/SGReferenced.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
-
-// Shield the rest of FG from possibly changing details of Robins navaid type numbering system.
-// Currently only the GPS code uses this - extra types (LOC, GS etc) may need to be added
-// should other FG code choose to use this.
-enum fg_nav_types {
- FG_NAV_VOR,
- FG_NAV_NDB,
- FG_NAV_ILS,
- FG_NAV_ANY
-};
+#include "navaids_fwd.hxx"
+#include "positioned.hxx"
+#include <Airports/airports_fwd.hxx>
+
+#include <simgear/props/propsfwd.hxx>
+#include <simgear/timing/timestamp.hxx>
-class FGNavRecord : public SGReferenced {
+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
+{
- int type;
- SGGeod pos; // location in geodetic coords (degrees)
- SGVec3d cart; // location in cartesian coords (earth centered)
int freq;
int range;
double multiuse; // can be slaved variation of VOR
// (degrees) or localizer heading
// (degrees) or dme bias (nm)
- std::string ident; // navaid ident
- std::string name; // verbose name in nav database
- std::string apt_id; // corresponding airport id
-
-
- bool serviceable; // for failure modeling
- std::string trans_ident; // for failure modeling
-
-public:
- FGNavRecord(void);
- inline ~FGNavRecord(void) {}
-
- FGNavRecord(int type, const std::string& ident, const std::string& name, const std::string& airport,
- double lat, double lon, int freq, int range, double multiuse);
-
- inline int get_type() const { return type; }
-
- fg_nav_types get_fg_type() const;
-
- inline double get_lon() const { return pos.getLongitudeDeg(); } // degrees
- inline void set_lon( double l ) { pos.setLongitudeDeg(l); } // degrees
- inline double get_lat() const { return pos.getLatitudeDeg(); } // degrees
- inline void set_lat( double l ) { pos.setLatitudeDeg(l); } // degrees
- inline double get_elev_ft() const { return pos.getElevationFt(); }
- inline void set_elev_ft( double e ) { pos.setElevationFt(e); }
- const SGGeod& get_pos() const { return pos; }
- const SGVec3d& get_cart() const { return cart; }
+ 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)
+
+ protected:
+ mutable bool serviceable; // for failure modeling
+
+ 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 );
+
+ 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 int get_freq() const { return freq; }
inline int get_range() const { return range; }
inline double get_multiuse() const { return multiuse; }
inline void set_multiuse( double m ) { multiuse = m; }
- inline const char *get_ident() const { return ident.c_str(); }
- inline const std::string& get_name() const { return name; }
- inline const std::string& get_apt_id() const { return apt_id; }
+ 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 mName; }
+
+ /**
+ * Retrieve the runway this navaid is associated with (for ILS/LOC/GS)
+ */
+ 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);
+};
- friend std::istream& operator>> ( std::istream&, FGNavRecord& );
+/**
+ * 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 {
projects / flightgear.git / blobdiff