// $Id$
+#include <Aircraft/aircraft.hxx>
#include <Navaids/ilslist.hxx>
#include <Navaids/navlist.hxx>
// Constructor
FGRadioStack::FGRadioStack() {
+ nav1_dist = 0.0;
need_update = true;
}
}
-// Update nav/adf radios based on current postition
+// Search the database for the current frequencies given current location
void FGRadioStack::update( double lon, double lat, double elev ) {
need_update = false;
+ Point3D aircraft = fgGeodToCart( Point3D( lon, lat, elev ) );
+ Point3D station;
+ double az1, az2, s;
+
+ if ( nav1_valid ) {
+ // staightline distance
+ station = Point3D( nav1_x, nav1_y, nav1_z );
+ nav1_dist = aircraft.distance3D( station );
+
+ if ( nav1_dist < nav1_effective_range * NM_TO_METER ) {
+ nav1_inrange = true;
+
+ // wgs84 heading
+ geo_inverse_wgs_84( elev, lat * RAD_TO_DEG, lon * RAD_TO_DEG,
+ nav1_lat, nav1_lon,
+ &az1, &az2, &s );
+ nav1_heading = az1;
+
+ // cout << " heading = " << nav1_heading
+ // << " dist = " << nav1_dist << endl;
+ } else {
+ nav1_inrange = false;
+ }
+
+ if ( nav1_loc ) {
+ } else {
+ nav1_radial = nav1_sel_radial;
+ }
+ } else {
+ nav1_inrange = false;
+ // cout << "not picking up vor. :-(" << endl;
+ }
+
+ if ( nav2_valid ) {
+ // staightline distance
+ station = Point3D( nav2_x, nav2_y, nav2_z );
+ nav2_dist = aircraft.distance3D( station );
+
+ if ( nav2_dist < nav2_effective_range * NM_TO_METER ) {
+ nav2_inrange = true;
+
+ // wgs84 heading
+ geo_inverse_wgs_84( elev, lat * RAD_TO_DEG, lon * RAD_TO_DEG,
+ nav2_lat, nav2_lon,
+ &az1, &az2, &s );
+ nav2_heading = az1;
+
+ // cout << " heading = " << nav2_heading
+ // << " dist = " << nav2_dist << endl;
+ } else {
+ nav2_inrange = false;
+ }
+
+ if ( !nav2_loc ) {
+ nav2_radial = nav2_sel_radial;
+ }
+ } else {
+ nav2_inrange = false;
+ // cout << "not picking up vor. :-(" << endl;
+ }
+
+ // adf
+ if ( adf_valid ) {
+ // staightline distance
+ station = Point3D( adf_x, adf_y, adf_z );
+ adf_dist = aircraft.distance3D( station );
+
+ if ( adf_dist < adf_effective_range * NM_TO_METER ) {
+ adf_inrange = true;
+
+ // wgs84 heading
+ geo_inverse_wgs_84( elev, lat * RAD_TO_DEG, lon * RAD_TO_DEG,
+ adf_lat, adf_lon,
+ &az1, &az2, &s );
+ adf_heading = az1;
+
+ // cout << " heading = " << nav2_heading
+ // << " dist = " << nav2_dist << endl;
+ } else {
+ adf_inrange = false;
+ }
+ } else {
+ adf_inrange = false;
+ }
+}
+
+
+// Update current nav/adf radio stations based on current postition
+void FGRadioStack::search( double lon, double lat, double elev ) {
// nav1
FGILS ils;
- if ( current_ilslist->query( lon, lat, elev, nav1_freq,
- &ils, &nav1_heading, &nav1_dist) ) {
- nav1_inrange = true;
+ FGNav nav;
+
+ if ( current_ilslist->query( lon, lat, elev, nav1_freq, &ils ) ) {
+ nav1_valid = true;
+ nav1_loc = true;
+ nav1_dme = true;
+
nav1_lon = ils.get_loclon();
nav1_lat = ils.get_loclat();
nav1_elev = ils.get_gselev();
+ nav1_effective_range = FG_ILS_DEFAULT_RANGE;
nav1_target_gs = ils.get_gsangle();
nav1_radial = ils.get_locheading();
- // cout << "Found a vor station in range" << endl;
+ while ( nav1_radial < 0.0 ) { nav1_radial += 360.0; }
+ while ( nav1_radial > 360.0 ) { nav1_radial -= 360.0; }
+ nav1_x = ils.get_x();
+ nav1_y = ils.get_y();
+ nav1_z = ils.get_z();
+ // cout << "Found an ils station in range" << endl;
// cout << " id = " << ils.get_locident() << endl;
- // cout << " heading = " << nav1_heading
- // << " dist = " << nav1_dist << endl;
+ } else if ( current_navlist->query( lon, lat, elev, nav1_freq, &nav ) ) {
+ nav1_valid = true;
+ nav1_loc = false;
+ nav1_dme = nav.get_dme();
+ nav1_lon = nav.get_lon();
+ nav1_lat = nav.get_lat();
+ nav1_elev = nav.get_elev();
+ nav1_effective_range = nav.get_range();
+ nav1_target_gs = 0.0;
+ nav1_radial = nav1_sel_radial;
+ nav1_x = nav.get_x();
+ nav1_y = nav.get_y();
+ nav1_z = nav.get_z();
+ // cout << "Found a vor station in range" << endl;
+ // cout << " id = " << nav.get_ident() << endl;
} else {
- nav1_inrange = false;
- cout << "not picking up vor. :-(" << endl;
+ nav1_valid = false;
+ // cout << "not picking up vor1. :-(" << endl;
}
- // nav1
- FGNav nav;
- if ( current_navlist->query( lon, lat, elev, nav2_freq,
- &nav, &nav2_heading, &nav2_dist) ) {
- nav2_inrange = true;
+ if ( current_ilslist->query( lon, lat, elev, nav2_freq, &ils ) ) {
+ nav2_valid = true;
+ nav2_loc = true;
+ nav2_dme = true;
+
+ nav2_lon = ils.get_loclon();
+ nav2_lat = ils.get_loclat();
+ nav2_elev = ils.get_gselev();
+ nav2_effective_range = FG_ILS_DEFAULT_RANGE;
+ nav2_target_gs = ils.get_gsangle();
+ nav2_radial = ils.get_locheading();
+ while ( nav2_radial < 0.0 ) { nav2_radial += 360.0; }
+ while ( nav2_radial > 360.0 ) { nav2_radial -= 360.0; }
+ nav2_x = ils.get_x();
+ nav2_y = ils.get_y();
+ nav2_z = ils.get_z();
+ // cout << "Found an ils station in range" << endl;
+ // cout << " id = " << ils.get_locident() << endl;
+ } else if ( current_navlist->query( lon, lat, elev, nav2_freq, &nav ) ) {
+ nav2_valid = true;
+ nav2_loc = false;
+ nav2_dme = nav.get_dme();
+
nav2_lon = nav.get_lon();
nav2_lat = nav.get_lat();
nav2_elev = nav.get_elev();
+ nav2_effective_range = nav.get_range();
+ nav2_target_gs = 0.0;
+ nav2_radial = nav2_sel_radial;
+ nav2_x = nav.get_x();
+ nav2_y = nav.get_y();
+ nav2_z = nav.get_z();
// cout << "Found a vor station in range" << endl;
// cout << " id = " << nav.get_ident() << endl;
- // cout << " heading = " << nav2_heading
- // << " dist = " << nav2_dist << endl;
} else {
- nav2_inrange = false;
- cout << "not picking up vor. :-(" << endl;
+ nav2_valid = false;
+ // cout << "not picking up vor2. :-(" << endl;
}
// adf
- double junk;
- if ( current_navlist->query( lon, lat, elev, adf_freq,
- &nav, &adf_heading, &junk) ) {
- adf_inrange = true;
+ if ( current_navlist->query( lon, lat, elev, adf_freq, &nav ) ) {
+ adf_valid = true;
+
adf_lon = nav.get_lon();
adf_lat = nav.get_lat();
adf_elev = nav.get_elev();
+ adf_effective_range = nav.get_range();
+ adf_x = nav.get_x();
+ adf_y = nav.get_y();
+ adf_z = nav.get_z();
// cout << "Found an adf station in range" << endl;
// cout << " id = " << nav.get_ident() << endl;
- // cout << " heading = " << adf_heading
- // << " dist = " << junk << endl;
} else {
- adf_inrange = false;
- cout << "not picking up adf. :-(" << endl;
+ adf_valid = false;
+ // cout << "not picking up adf. :-(" << endl;
}
}
+
+// periodic radio station search wrapper
+void fgRadioSearch( void ) {
+ current_radiostack->search( cur_fdm_state->get_Longitude(),
+ cur_fdm_state->get_Latitude(),
+ cur_fdm_state->get_Altitude() * FEET_TO_METER );
+}
projects / flightgear.git / blobdiff