#ifndef _FG_NAVRECORD_HXX
#define _FG_NAVRECORD_HXX
-#include <stdio.h>
-
-#include <simgear/compiler.h>
-#include <simgear/math/sg_geodesy.hxx>
-#include <simgear/misc/sgstream.hxx>
-#include <simgear/magvar/magvar.hxx>
-#include <simgear/timing/sg_time.hxx>
-
-#include <simgear/structure/SGSharedPtr.hxx>
-#include <simgear/structure/SGReferenced.hxx>
-
-#ifdef SG_HAVE_STD_INCLUDES
-# include <istream>
-#elif defined( __BORLANDC__ ) || (__APPLE__)
-# include <iostream>
-#else
-# include <istream.h>
-#endif
-
-SG_USING_STD(istream);
+#include <iosfwd>
+#include "positioned.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
-};
+// 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;
-class FGNavRecord : public SGReferenced {
+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)
- string ident; // navaid ident
- string name; // verbose name in nav database
- string apt_id; // corresponding airport id
-
+ std::string _name; // verbose name in nav database
+ FGRunway* mRunway; // associated runway, if there is one
bool serviceable; // for failure modeling
- string trans_ident; // for failure modeling
-
+ std::string trans_ident; // 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) {}
- inline FGNavRecord(void);
- inline ~FGNavRecord(void) {}
-
- inline int get_type() const { return type; }
- inline 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; }
+ 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 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 string& get_name() const { return name; }
- inline const 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(); }
- friend istream& operator>> ( istream&, FGNavRecord& );
+ virtual const std::string& name() const
+ { return _name; }
+
+ /**
+ * Retrieve the runway this navaid is associated with (for ILS/LOC/GS)
+ */
+ FGRunway* runway() const { return mRunway; }
+
+ /**
+ * 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;
};
-
-inline
-FGNavRecord::FGNavRecord(void) :
- type(0),
- pos(SGGeod::fromDeg(0, 0)),
- cart(0, 0, 0),
- freq(0),
- range(0),
- multiuse(0.0),
- ident(""),
- name(""),
- apt_id(""),
- serviceable(true),
- trans_ident("")
-{
-}
-
-
-inline fg_nav_types FGNavRecord::get_fg_type() const {
- switch(type) {
- case 2: return(FG_NAV_NDB);
- case 3: return(FG_NAV_VOR);
- case 4: return(FG_NAV_ILS);
- default: return(FG_NAV_ANY);
- }
-}
-
-
-inline istream&
-operator >> ( istream& in, FGNavRecord& n )
-{
- in >> n.type;
-
- if ( n.type == 99 ) {
- return in >> skipeol;
- }
-
- double lat, lon, elev_ft;
- in >> lat >> lon >> elev_ft >> n.freq >> n.range >> n.multiuse
- >> n.ident;
- n.pos.setLatitudeDeg(lat);
- n.pos.setLongitudeDeg(lon);
- n.pos.setElevationFt(elev_ft);
- getline( in, n.name );
-
- // silently multiply adf frequencies by 100 so that adf
- // vs. nav/loc frequency lookups can use the same code.
- if ( n.type == 2 ) {
- n.freq *= 100;
- }
-
- // Remove any leading spaces before the name
- while ( n.name.substr(0,1) == " " ) {
- n.name = n.name.erase(0,1);
- }
-
- if ( n.type >= 4 && n.type <= 9 ) {
- // these types are always associated with an airport id
- string::size_type pos = n.name.find(" ");
- n.apt_id = n.name.substr(0, pos);
- }
-
- // Ranges are included with the latest data format, no need to
- // assign our own defaults, unless the range is not set for some
- // reason.
-
- if ( n.range < 0.1 ) {
- // assign default ranges
-
- if ( n.type == 2 || n.type == 3 ) {
- n.range = FG_NAV_DEFAULT_RANGE;
- } else if ( n.type == 4 || n.type == 5 || n.type == 6 ) {
- n.range = FG_LOC_DEFAULT_RANGE;
- } else if ( n.type == 12 ) {
- n.range = FG_DME_DEFAULT_RANGE;
- } else {
- n.range = FG_LOC_DEFAULT_RANGE;
- }
- }
-
- // transmitted ident (same as ident unless modeling a fault)
- n.trans_ident = n.ident;
-
- // generate cartesian coordinates
- n.cart = SGVec3d::fromGeod(n.pos);
-
- return in;
-}
-
class FGTACANRecord : public SGReferenced {
- string channel;
+ std::string channel;
int freq;
public:
- inline FGTACANRecord(void);
+ FGTACANRecord(void);
inline ~FGTACANRecord(void) {}
- inline const string& get_channel() const { return channel; }
+ inline const std::string& get_channel() const { return channel; }
inline int get_freq() const { return freq; }
- friend istream& operator>> ( istream&, FGTACANRecord& );
+ friend std::istream& operator>> ( std::istream&, FGTACANRecord& );
};
-
-inline
-FGTACANRecord::FGTACANRecord(void) :
- channel(""),
- freq(0)
-
-{
-}
-
-inline istream&
-operator >> ( istream& in, FGTACANRecord& n )
-{
- in >> n.channel >> n.freq ;
- //getline( in, n.name );
-
- return in;
-}
#endif // _FG_NAVRECORD_HXX