// $Id$
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <simgear/compiler.h>
+#include <simgear/math/sg_random.h>
+
#include <Aircraft/aircraft.hxx>
+#include <ATC/ATCdisplay.hxx>
+//#include <Navaids/atis.hxx>
#include <Navaids/ilslist.hxx>
+#include <Navaids/mkrbeacons.hxx>
#include <Navaids/navlist.hxx>
+#include <Time/event.hxx>
#include "radiostack.hxx"
+#include <string>
+SG_USING_STD(string);
+
+static int nav1_play_count = 0;
+static int nav2_play_count = 0;
+static int adf_play_count = 0;
+static time_t nav1_last_time = 0;
+static time_t nav2_last_time = 0;
+static time_t adf_last_time = 0;
+
FGRadioStack *current_radiostack;
+/**
+ * Boy, this is ugly! Make the VOR range vary by altitude difference.
+ */
+static double kludgeRange ( double stationElev, double aircraftElev,
+ double nominalRange)
+{
+ // Assume that the nominal range (usually
+ // 50nm) applies at a 5,000 ft difference.
+ // Just a wild guess!
+ double factor = ((aircraftElev*SG_METER_TO_FEET) - stationElev) / 5000.0;
+ double range = fabs(nominalRange * factor);
+
+ // Clamp the range to keep it sane; for
+ // now, never less than 25% or more than
+ // 500% of nominal range.
+ if (range < nominalRange/4.0) {
+ range = nominalRange/4.0;
+ } else if (range > nominalRange*5.0) {
+ range = nominalRange*5.0;
+ }
+
+ return range;
+}
+
+
+// periodic radio station search wrapper
+static void fgRadioSearch( void ) {
+ current_radiostack->search();
+}
+
// Constructor
-FGRadioStack::FGRadioStack() {
- nav1_dme_dist = 0.0;
- need_update = true;
+FGRadioStack::FGRadioStack() :
+ lon_node(fgGetNode("/position/longitude-deg", true)),
+ lat_node(fgGetNode("/position/latitude-deg", true)),
+ alt_node(fgGetNode("/position/altitude-ft", true)),
+ need_update(true),
+ comm1_freq(0.0),
+ comm1_alt_freq(0.0),
+ comm2_freq(0.0),
+ comm2_alt_freq(0.0),
+ nav1_freq(0.0),
+ nav1_alt_freq(0.0),
+ nav1_radial(0.0),
+ nav2_freq(0.0),
+ nav2_alt_freq(0.0),
+ nav2_radial(0.0),
+ dme_freq(0.0),
+ dme_dist(0.0),
+ dme_prev_dist(0.0),
+ dme_spd(0.0),
+ dme_ete(0.0),
+ adf_freq(0.0),
+ adf_alt_freq(0.0)
+{
+ SGPath path( globals->get_fg_root() );
+ SGPath term = path;
+ term.append( "Navaids/range.term" );
+ SGPath low = path;
+ low.append( "Navaids/range.low" );
+ SGPath high = path;
+ high.append( "Navaids/range.high" );
+
+ term_tbl = new SGInterpTable( term.str() );
+ low_tbl = new SGInterpTable( low.str() );
+ high_tbl = new SGInterpTable( high.str() );
+ dme_last_time.stamp();
}
// Destructor
-FGRadioStack::~FGRadioStack() {
+FGRadioStack::~FGRadioStack()
+{
+ unbind(); // FIXME: should be called externally
+
+ delete term_tbl;
+ delete low_tbl;
+ delete high_tbl;
}
-// Search the database for the current frequencies given current location
-void FGRadioStack::update( double lon, double lat, double elev ) {
+void
+FGRadioStack::init ()
+{
+ morse.init();
+ beacon.init();
+ blink.stamp();
+
+ search();
+ update();
+
+ // Search radio database once per second
+ global_events.Register( "fgRadioSearch()", fgRadioSearch,
+ fgEVENT::FG_EVENT_READY, 1000);
+}
+
+void
+FGRadioStack::bind ()
+{
+ // User inputs
+ fgTie("/radios/comm[0]/frequencies/selected-mhz", this,
+ &FGRadioStack::get_comm1_freq, &FGRadioStack::set_comm1_freq);
+ fgSetArchivable("/radios/comm[0]/frequencies/selected-mhz");
+ fgTie("/radios/comm[0]/frequencies/standby-mhz", this,
+ &FGRadioStack::get_comm1_alt_freq, &FGRadioStack::set_comm1_alt_freq);
+ fgSetArchivable("/radios/comm[0]/frequencies/standby-mhz");
+ fgTie("/radios/comm[0]/volume", this,
+ &FGRadioStack::get_comm1_vol_btn,
+ &FGRadioStack::set_comm1_vol_btn);
+ fgSetArchivable("/radios/comm[0]/volume");
+ fgTie("/radios/comm[0]/ident", this,
+ &FGRadioStack::get_comm1_ident_btn,
+ &FGRadioStack::set_comm1_ident_btn);
+ fgSetArchivable("/radios/comm[0]/ident");
+
+ fgTie("/radios/comm[1]/frequencies/selected-mhz", this,
+ &FGRadioStack::get_comm2_freq, &FGRadioStack::set_comm2_freq);
+ fgSetArchivable("/radios/comm[0]/frequencies/selected-mhz");
+ fgTie("/radios/comm[1]/frequencies/standby-mhz", this,
+ &FGRadioStack::get_comm2_alt_freq, &FGRadioStack::set_comm2_alt_freq);
+ fgSetArchivable("/radios/comm[0]/frequencies/standby-mhz");
+ fgTie("/radios/comm[1]/volume", this,
+ &FGRadioStack::get_comm2_vol_btn,
+ &FGRadioStack::set_comm2_vol_btn);
+ fgSetArchivable("/radios/comm[0]/volume");
+ fgTie("/radios/comm[1]/ident", this,
+ &FGRadioStack::get_comm2_ident_btn,
+ &FGRadioStack::set_comm2_ident_btn);
+ fgSetArchivable("/radios/comm[1]/ident");
+
+ fgTie("/radios/nav[0]/frequencies/selected-mhz", this,
+ &FGRadioStack::get_nav1_freq, &FGRadioStack::set_nav1_freq);
+ fgSetArchivable("/radios/nav[0]/frequencies/selected-mhz");
+ fgTie("/radios/nav[0]/frequencies/standby-mhz", this,
+ &FGRadioStack::get_nav1_alt_freq, &FGRadioStack::set_nav1_alt_freq);
+ fgSetArchivable("/radios/nav[0]/frequencies/standby-mhz");
+ fgTie("/radios/nav[0]/radials/selected-deg", this,
+ &FGRadioStack::get_nav1_sel_radial,
+ &FGRadioStack::set_nav1_sel_radial);
+ fgSetArchivable("/radios/nav[0]/radials/selected-deg");
+ fgTie("/radios/nav[0]/volume", this,
+ &FGRadioStack::get_nav1_vol_btn,
+ &FGRadioStack::set_nav1_vol_btn);
+ fgSetArchivable("/radios/nav[0]/volume");
+ fgTie("/radios/nav[0]/ident", this,
+ &FGRadioStack::get_nav1_ident_btn,
+ &FGRadioStack::set_nav1_ident_btn);
+ fgSetArchivable("/radios/nav[0]/ident");
+
+ // Radio outputs
+ fgTie("/radios/nav[0]/radials/actual-deg", this,
+ &FGRadioStack::get_nav1_radial);
+ fgTie("/radios/nav[0]/to-flag", this, &FGRadioStack::get_nav1_to_flag);
+ fgTie("/radios/nav[0]/from-flag", this, &FGRadioStack::get_nav1_from_flag);
+ fgTie("/radios/nav[0]/in-range", this, &FGRadioStack::get_nav1_inrange);
+ fgTie("/radios/nav[0]/heading-needle-deflection", this,
+ &FGRadioStack::get_nav1_heading_needle_deflection);
+ fgTie("/radios/nav[0]/gs-needle-deflection", this,
+ &FGRadioStack::get_nav1_gs_needle_deflection);
+
+ // User inputs
+ fgTie("/radios/nav[1]/frequencies/selected-mhz", this,
+ &FGRadioStack::get_nav2_freq, &FGRadioStack::set_nav2_freq);
+ fgSetArchivable("/radios/nav[1]/frequencies/selected-mhz");
+ fgTie("/radios/nav[1]/frequencies/standby-mhz", this,
+ &FGRadioStack::get_nav2_alt_freq, &FGRadioStack::set_nav2_alt_freq);
+ fgSetArchivable("/radios/nav[1]/frequencies/standby-mhz");
+ fgTie("/radios/nav[1]/radials/selected-deg", this,
+ &FGRadioStack::get_nav2_sel_radial,
+ &FGRadioStack::set_nav2_sel_radial);
+ fgSetArchivable("/radios/nav[1]/radials/selected-deg");
+ fgTie("/radios/nav[1]/volume", this,
+ &FGRadioStack::get_nav2_vol_btn,
+ &FGRadioStack::set_nav2_vol_btn);
+ fgSetArchivable("/radios/nav[1]/volume");
+ fgTie("/radios/nav[1]/ident", this,
+ &FGRadioStack::get_nav2_ident_btn,
+ &FGRadioStack::set_nav2_ident_btn);
+ fgSetArchivable("/radios/nav[1]/ident");
+
+ // Radio outputs
+ fgTie("/radios/nav[1]/radials/actual-deg", this,
+ &FGRadioStack::get_nav2_radial);
+ fgTie("/radios/nav[1]/to-flag", this, &FGRadioStack::get_nav2_to_flag);
+ fgTie("/radios/nav[1]/from-flag", this, &FGRadioStack::get_nav2_from_flag);
+ fgTie("/radios/nav[1]/in-range", this, &FGRadioStack::get_nav2_inrange);
+ fgTie("/radios/nav[1]/heading-needle-deflection", this,
+ &FGRadioStack::get_nav2_heading_needle_deflection);
+ fgTie("/radios/nav[1]/gs-needle-deflection", this,
+ &FGRadioStack::get_nav2_gs_needle_deflection);
+
+ // User inputs
+ fgTie("/radios/dme/frequencies/selected-khz", this,
+ &FGRadioStack::get_dme_freq, &FGRadioStack::set_adf_freq);
+
+ // Radio outputs
+ fgTie("/radios/dme/in-range", this, &FGRadioStack::get_dme_inrange);
+ fgTie("/radios/dme/distance-nm", this, &FGRadioStack::get_dme_dist);
+ fgTie("/radios/dme/speed-kt", this, &FGRadioStack::get_dme_spd);
+ fgTie("/radios/dme/ete-min", this, &FGRadioStack::get_dme_ete);
+
+ // User inputs
+ fgTie("/radios/adf/frequencies/selected-khz", this,
+ &FGRadioStack::get_adf_freq, &FGRadioStack::set_adf_freq);
+ fgSetArchivable("/radios/adf/frequencies/selected-khz");
+ fgTie("/radios/adf/frequencies/standby-khz", this,
+ &FGRadioStack::get_adf_alt_freq, &FGRadioStack::set_adf_alt_freq);
+ fgSetArchivable("/radios/adf/frequencies/standby-khz");
+ fgTie("/radios/adf/rotation-deg", this,
+ &FGRadioStack::get_adf_rotation, &FGRadioStack::set_adf_rotation);
+ fgSetArchivable("/radios/adf/rotation-deg");
+ fgTie("/radios/adf/volume", this,
+ &FGRadioStack::get_adf_vol_btn,
+ &FGRadioStack::set_adf_vol_btn);
+ fgSetArchivable("/radios/adf/volume");
+ fgTie("/radios/adf/ident", this,
+ &FGRadioStack::get_adf_ident_btn,
+ &FGRadioStack::set_adf_ident_btn);
+ fgSetArchivable("/radios/adf/ident");
+
+ fgTie("/radios/marker-beacon/inner", this,
+ &FGRadioStack::get_inner_blink);
+ fgTie("/radios/marker-beacon/middle", this,
+ &FGRadioStack::get_middle_blink);
+ fgTie("/radios/marker-beacon/outer", this,
+ &FGRadioStack::get_outer_blink);
+}
+
+void
+FGRadioStack::unbind ()
+{
+ fgUntie("/radios/comm[0]/frequencies/selected-mhz");
+ fgUntie("/radios/comm[0]/frequencies/standby-mhz");
+ fgUntie("/radios/comm[0]/on");
+ fgUntie("/radios/comm[0]/ident");
+
+ fgUntie("/radios/comm[1]/frequencies/selected-mhz");
+ fgUntie("/radios/comm[1]/frequencies/standby-mhz");
+ fgUntie("/radios/comm[1]/on");
+ fgUntie("/radios/comm[1]/ident");
+
+ fgUntie("/radios/nav[0]/frequencies/selected-mhz");
+ fgUntie("/radios/nav[0]/frequencies/standby-mhz");
+ fgUntie("/radios/nav[0]/radials/actual-deg");
+ fgUntie("/radios/nav[0]/radials/selected-deg");
+ fgUntie("/radios/nav[0]/on");
+ fgUntie("/radios/nav[0]/ident");
+ fgUntie("/radios/nav[0]/to-flag");
+ fgUntie("/radios/nav[0]/from-flag");
+ fgUntie("/radios/nav[0]/in-range");
+ fgUntie("/radios/nav[0]/heading-needle-deflection");
+ fgUntie("/radios/nav[0]/gs-needle-deflection");
+
+ fgUntie("/radios/nav[1]/frequencies/selected-mhz");
+ fgUntie("/radios/nav[1]/frequencies/standby-mhz");
+ fgUntie("/radios/nav[1]/radials/actual-deg");
+ fgUntie("/radios/nav[1]/radials/selected-deg");
+ fgUntie("/radios/nav[1]/on");
+ fgUntie("/radios/nav[1]/ident");
+ fgUntie("/radios/nav[1]/to-flag");
+ fgUntie("/radios/nav[1]/from-flag");
+ fgUntie("/radios/nav[1]/in-range");
+ fgUntie("/radios/nav[1]/heading-needle-deflection");
+ fgUntie("/radios/nav[1]/gs-needle-deflection");
+
+ fgUntie("/radios/dme/frequencies/selected-khz");
+
+ // Radio outputs
+ fgUntie("/radios/dme/in-range");
+ fgUntie("/radios/dme/distance-nm");
+ fgUntie("/radios/dme/speed-kt");
+ fgUntie("/radios/dme/ete-min");
+
+ fgUntie("/radios/adf/frequencies/selected-khz");
+ fgUntie("/radios/adf/frequencies/standby-khz");
+ fgUntie("/radios/adf/rotation-deg");
+ fgUntie("/radios/adf/on");
+ fgUntie("/radios/adf/ident");
+
+ fgUntie("/radios/marker-beacon/inner");
+ fgUntie("/radios/marker-beacon/middle");
+ fgUntie("/radios/marker-beacon/outer");
+}
+
+
+// model standard VOR/DME/TACAN service volumes as per AIM 1-1-8
+double FGRadioStack::adjustNavRange( double stationElev, double aircraftElev,
+ double nominalRange )
+{
+ // extend out actual usable range to be 1.3x the published safe range
+ const double usability_factor = 1.3;
+
+ // assumptions we model the standard service volume, plus
+ // ... rather than specifying a cylinder, we model a cone that
+ // contains the cylinder. Then we put an upside down cone on top
+ // to model diminishing returns at too-high altitudes.
+
+ // altitude difference
+ double alt = ( aircraftElev * SG_METER_TO_FEET - stationElev );
+ // cout << "aircraft elev = " << aircraftElev * SG_METER_TO_FEET
+ // << " station elev = " << stationElev << endl;
+
+ if ( nominalRange < 25.0 + SG_EPSILON ) {
+ // Standard Terminal Service Volume
+ return term_tbl->interpolate( alt ) * usability_factor;
+ } else if ( nominalRange < 50.0 + SG_EPSILON ) {
+ // Standard Low Altitude Service Volume
+ // table is based on range of 40, scale to actual range
+ return low_tbl->interpolate( alt ) * nominalRange / 40.0
+ * usability_factor;
+ } else {
+ // Standard High Altitude Service Volume
+ // table is based on range of 130, scale to actual range
+ return high_tbl->interpolate( alt ) * nominalRange / 130.0
+ * usability_factor;
+ }
+}
+
+
+// model standard ILS service volumes as per AIM 1-1-9
+double FGRadioStack::adjustILSRange( double stationElev, double aircraftElev,
+ double offsetDegrees, double distance )
+{
+ // assumptions we model the standard service volume, plus
+
+ // altitude difference
+ // double alt = ( aircraftElev * SG_METER_TO_FEET - stationElev );
+ double offset = fabs( offsetDegrees );
+
+ if ( offset < 10 ) {
+ return FG_ILS_DEFAULT_RANGE;
+ } else if ( offset < 35 ) {
+ return 10 + (35 - offset) * (FG_ILS_DEFAULT_RANGE - 10) / 25;
+ } else if ( offset < 45 ) {
+ return (45 - offset);
+ } else if ( offset > 170 ) {
+ return FG_ILS_DEFAULT_RANGE;
+ } else if ( offset > 145 ) {
+ return 10 + (offset - 145) * (FG_ILS_DEFAULT_RANGE - 10) / 25;
+ } else if ( offset > 135 ) {
+ return (offset - 135);
+ } else {
+ return 0;
+ }
+}
+
+
+// Update the various nav values based on position and valid tuned in navs
+void
+FGRadioStack::update()
+{
+ //DCL
+ string transmission;
+
+ double lon = lon_node->getDoubleValue() * SGD_DEGREES_TO_RADIANS;
+ double lat = lat_node->getDoubleValue() * SGD_DEGREES_TO_RADIANS;
+ double elev = alt_node->getDoubleValue() * SG_FEET_TO_METER;
+
need_update = false;
- Point3D aircraft = fgGeodToCart( Point3D( lon, lat, elev ) );
+ Point3D aircraft = sgGeodToCart( Point3D( lon, lat, elev ) );
Point3D station;
double az1, az2, s;
+ ////////////////////////////////////////////////////////////////////////
+ // Comm1.
+ ////////////////////////////////////////////////////////////////////////
+
+ static bool repeating_message_registered = false;
+ static int dcl_i = 0; //Hack to only call the transmission now and then - should use the event scheduler
+ if ( comm1_valid ) {
+ station = Point3D( comm1_x, comm1_y, comm1_z );
+ comm1_dist = aircraft.distance3D( station );
+ if ( comm1_dist < comm1_effective_range * SG_NM_TO_METER ) {
+ comm1_inrange = true;
+ // TODO - only get the transmission and register every now and then
+ if(dcl_i == 0) {
+ transmission = atis.get_transmission();
+ current_atcdisplay->ChangeRepeatingMessage(transmission);
+ }
+ if(!repeating_message_registered) {
+ current_atcdisplay->RegisterRepeatingMessage(transmission);
+ repeating_message_registered = true;
+ }
+ dcl_i++;
+ if(dcl_i == 2000) {
+ dcl_i = 0;
+ }
+ } else {
+ comm1_inrange = false;
+ if(repeating_message_registered) {
+ current_atcdisplay->CancelRepeatingMessage();
+ repeating_message_registered = false;
+ }
+ dcl_i = 0;
+ }
+ } else {
+ comm1_inrange = false;
+ if(repeating_message_registered) {
+ current_atcdisplay->CancelRepeatingMessage();
+ repeating_message_registered = false;
+ }
+ dcl_i = 0;
+ // cout << "not picking up comm1. :-(" << endl;
+ }
+
+ ////////////////////////////////////////////////////////////////////////
+ // Nav1.
+ ////////////////////////////////////////////////////////////////////////
+
if ( nav1_valid ) {
- // staightline distance
- station = Point3D( nav1_dme_x, nav1_dme_y, nav1_dme_z );
- nav1_dme_dist = aircraft.distance3D( station );
- if ( nav1_loc ) {
+ station = Point3D( nav1_x, nav1_y, nav1_z );
+ nav1_loc_dist = aircraft.distance3D( station );
+
+ if ( nav1_has_gs ) {
station = Point3D( nav1_gs_x, nav1_gs_y, nav1_gs_z );
nav1_gs_dist = aircraft.distance3D( station );
+ } else {
+ nav1_gs_dist = 0.0;
}
- if ( nav1_dme_dist < nav1_effective_range * NM_TO_METER ) {
+ // wgs84 heading
+ geo_inverse_wgs_84( elev, lat * SGD_RADIANS_TO_DEGREES, lon * SGD_RADIANS_TO_DEGREES,
+ nav1_loclat, nav1_loclon,
+ &az1, &az2, &s );
+ // cout << "az1 = " << az1 << " magvar = " << nav1_magvar << endl;
+ nav1_heading = az1 - nav1_magvar;
+ // cout << " heading = " << nav1_heading
+ // << " dist = " << nav1_dist << endl;
+
+ if ( nav1_loc ) {
+ double offset = nav1_heading - nav1_radial;
+ while ( offset < -180.0 ) { offset += 360.0; }
+ while ( offset > 180.0 ) { offset -= 360.0; }
+ // cout << "ils offset = " << offset << endl;
+ nav1_effective_range = adjustILSRange(nav1_elev, elev, offset,
+ nav1_loc_dist * SG_METER_TO_NM );
+ } else {
+ nav1_effective_range = adjustNavRange(nav1_elev, elev, nav1_range);
+ }
+ // cout << "nav1 range = " << nav1_effective_range
+ // << " (" << nav1_range << ")" << endl;
+
+ if ( nav1_loc_dist < nav1_effective_range * SG_NM_TO_METER ) {
nav1_inrange = true;
-
- // wgs84 heading
- geo_inverse_wgs_84( elev, lat * RAD_TO_DEG, lon * RAD_TO_DEG,
- nav1_loclat, nav1_loclon,
- &az1, &az2, &s );
- nav1_heading = az1;
-
- // cout << " heading = " << nav1_heading
- // << " dist = " << nav1_dist << endl;
+ } else if ( nav1_loc_dist < 2 * nav1_effective_range * SG_NM_TO_METER ) {
+ nav1_inrange = sg_random() <
+ ( 2 * nav1_effective_range * SG_NM_TO_METER - nav1_loc_dist ) /
+ (nav1_effective_range * SG_NM_TO_METER);
} else {
nav1_inrange = false;
}
- if ( nav1_loc ) {
- } else {
+ if ( !nav1_loc ) {
nav1_radial = nav1_sel_radial;
}
} else {
// cout << "not picking up vor. :-(" << endl;
}
+#ifdef ENABLE_AUDIO_SUPPORT
+ if ( nav1_valid && nav1_inrange ) {
+ // play station ident via audio system if on + ident,
+ // otherwise turn it off
+ if ( nav1_vol_btn > 0.1 && nav1_ident_btn ) {
+ FGSimpleSound *sound;
+ sound = globals->get_soundmgr()->find( "nav1-vor-ident" );
+ sound->set_volume( nav1_vol_btn * 0.3 );
+ sound = globals->get_soundmgr()->find( "nav1-dme-ident" );
+ sound->set_volume( nav1_vol_btn * 0.3 );
+ if ( nav1_last_time <
+ globals->get_time_params()->get_cur_time() - 30 ) {
+ nav1_last_time = globals->get_time_params()->get_cur_time();
+ nav1_play_count = 0;
+ }
+ if ( nav1_play_count < 4 ) {
+ // play VOR ident
+ if ( !globals->get_soundmgr()->is_playing("nav1-vor-ident") ) {
+ globals->get_soundmgr()->play_once( "nav1-vor-ident" );
+ ++nav1_play_count;
+ }
+ } else if ( nav1_play_count < 5 && nav1_has_dme ) {
+ // play DME ident
+ if ( !globals->get_soundmgr()->is_playing("nav1-vor-ident") &&
+ !globals->get_soundmgr()->is_playing("nav1-dme-ident") ) {
+ globals->get_soundmgr()->play_once( "nav1-dme-ident" );
+ ++nav1_play_count;
+ }
+ }
+ } else {
+ globals->get_soundmgr()->stop( "nav1-vor-ident" );
+ globals->get_soundmgr()->stop( "nav1-dme-ident" );
+ }
+ }
+#endif
+
+
+ ////////////////////////////////////////////////////////////////////////
+ // Nav2.
+ ////////////////////////////////////////////////////////////////////////
+
if ( nav2_valid ) {
- // staightline distance
- station = Point3D( nav2_dme_x, nav2_dme_y, nav2_dme_z );
- nav2_dme_dist = aircraft.distance3D( station );
- if ( nav2_loc ) {
+ station = Point3D( nav2_x, nav2_y, nav2_z );
+ nav2_loc_dist = aircraft.distance3D( station );
+
+ if ( nav2_has_gs ) {
station = Point3D( nav2_gs_x, nav2_gs_y, nav2_gs_z );
nav2_gs_dist = aircraft.distance3D( station );
+ } else {
+ nav2_gs_dist = 0.0;
}
- if ( nav2_dme_dist < nav2_effective_range * NM_TO_METER ) {
- nav2_inrange = true;
+ // wgs84 heading
+ geo_inverse_wgs_84( elev, lat * SGD_RADIANS_TO_DEGREES, lon * SGD_RADIANS_TO_DEGREES,
+ nav2_loclat, nav2_loclon,
+ &az1, &az2, &s );
+ nav2_heading = az1 - nav2_magvar;
+ // cout << " heading = " << nav2_heading
+ // << " dist = " << nav2_dist << endl;
- // wgs84 heading
- geo_inverse_wgs_84( elev, lat * RAD_TO_DEG, lon * RAD_TO_DEG,
- nav2_loclat, nav2_loclon,
- &az1, &az2, &s );
- nav2_heading = az1;
+ if ( nav2_loc ) {
+ double offset = nav2_heading - nav2_radial;
+ while ( offset < -180.0 ) { offset += 360.0; }
+ while ( offset > 180.0 ) { offset -= 360.0; }
+ // cout << "ils offset = " << offset << endl;
+ nav2_effective_range = adjustILSRange(nav2_elev, elev, offset,
+ nav2_loc_dist * SG_METER_TO_NM );
+ } else {
+ nav2_effective_range = adjustNavRange(nav2_elev, elev, nav2_range);
+ }
+ // cout << "nav2 range = " << nav2_effective_range
+ // << " (" << nav2_range << ")" << endl;
- // cout << " heading = " << nav2_heading
- // << " dist = " << nav2_dist << endl;
+ if ( nav2_loc_dist < nav2_effective_range * SG_NM_TO_METER ) {
+ nav2_inrange = true;
+ } else if ( nav2_loc_dist < 2 * nav2_effective_range * SG_NM_TO_METER ) {
+ nav2_inrange = sg_random() <
+ ( 2 * nav2_effective_range * SG_NM_TO_METER - nav2_loc_dist ) /
+ (nav2_effective_range * SG_NM_TO_METER);
} else {
nav2_inrange = false;
}
// cout << "not picking up vor. :-(" << endl;
}
- // adf
+#ifdef ENABLE_AUDIO_SUPPORT
+ if ( nav2_valid && nav2_inrange ) {
+ // play station ident via audio system if on + ident,
+ // otherwise turn it off
+ if ( nav2_vol_btn > 0.1 && nav2_ident_btn ) {
+ FGSimpleSound *sound;
+ sound = globals->get_soundmgr()->find( "nav2-vor-ident" );
+ sound->set_volume( nav2_vol_btn * 0.3 );
+ sound = globals->get_soundmgr()->find( "nav2-dme-ident" );
+ sound->set_volume( nav2_vol_btn * 0.3 );
+ if ( nav2_last_time <
+ globals->get_time_params()->get_cur_time() - 30 ) {
+ nav2_last_time = globals->get_time_params()->get_cur_time();
+ nav2_play_count = 0;
+ }
+ if ( nav2_play_count < 4 ) {
+ // play VOR ident
+ if ( !globals->get_soundmgr()->is_playing("nav2-vor-ident") ) {
+ globals->get_soundmgr()->play_once( "nav2-vor-ident" );
+ ++nav2_play_count;
+ }
+ } else if ( nav2_play_count < 5 && nav2_has_dme ) {
+ // play DME ident
+ if ( !globals->get_soundmgr()->is_playing("nav2-vor-ident") &&
+ !globals->get_soundmgr()->is_playing("nav2-dme-ident") ) {
+ globals->get_soundmgr()->play_once( "nav2-dme-ident" );
+ ++nav2_play_count;
+ }
+ }
+ } else {
+ globals->get_soundmgr()->stop( "nav2-vor-ident" );
+ globals->get_soundmgr()->stop( "nav2-dme-ident" );
+ }
+ }
+#endif
+
+
+ ////////////////////////////////////////////////////////////////////////
+ // DME.
+ ////////////////////////////////////////////////////////////////////////
+
+ if (dme_valid) {
+ station = Point3D( dme_x, dme_y, dme_z );
+ dme_dist = aircraft.distance3D( station ) * SG_METER_TO_NM;
+ dme_effective_range = kludgeRange(dme_elev, elev, dme_range);
+ if (dme_dist < dme_effective_range * SG_NM_TO_METER) {
+ dme_inrange = true;
+ } else if (dme_dist < 2 * dme_effective_range * SG_NM_TO_METER) {
+ dme_inrange = sg_random() <
+ (2 * dme_effective_range * SG_NM_TO_METER - dme_dist) /
+ (dme_effective_range * SG_NM_TO_METER);
+ } else {
+ dme_inrange = false;
+ }
+ if (dme_inrange) {
+ SGTimeStamp current_time;
+ station = Point3D( dme_x, dme_y, dme_z );
+ dme_dist = aircraft.distance3D( station ) * SG_METER_TO_NM;
+ current_time.stamp();
+ long dMs = (current_time - dme_last_time) / 1000;
+ // Update every second
+ if (dMs >= 1000) {
+ double dDist = dme_dist - dme_prev_dist;
+ dme_spd = fabs((dDist/dMs) * 3600000);
+ // FIXME: the panel should be able to
+ // handle this!!!
+ if (dme_spd > 999.0)
+ dme_spd = 999.0;
+ dme_ete = fabs((dme_dist/dme_spd) * 60.0);
+ // FIXME: the panel should be able to
+ // handle this!!!
+ if (dme_ete > 99.0)
+ dme_ete = 99.0;
+ dme_prev_dist = dme_dist;
+ dme_last_time.stamp();
+ }
+ }
+ } else {
+ dme_inrange = false;
+ dme_dist = 0.0;
+ dme_prev_dist = 0.0;
+ }
+
+
+ ////////////////////////////////////////////////////////////////////////
+ // 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;
+ // wgs84 heading
+ geo_inverse_wgs_84( elev, lat * SGD_RADIANS_TO_DEGREES, lon * SGD_RADIANS_TO_DEGREES,
+ adf_lat, adf_lon,
+ &az1, &az2, &s );
+ adf_heading = az1;
+ // cout << " heading = " << nav2_heading
+ // << " dist = " << nav2_dist << endl;
- // cout << " heading = " << nav2_heading
- // << " dist = " << nav2_dist << endl;
+ adf_effective_range = kludgeRange(adf_elev, elev, adf_range);
+ if ( adf_dist < adf_effective_range * SG_NM_TO_METER ) {
+ adf_inrange = true;
+ } else if ( adf_dist < 2 * adf_effective_range * SG_NM_TO_METER ) {
+ adf_inrange = sg_random() <
+ ( 2 * adf_effective_range * SG_NM_TO_METER - adf_dist ) /
+ (adf_effective_range * SG_NM_TO_METER);
} else {
adf_inrange = false;
}
} else {
adf_inrange = false;
}
+
+#ifdef ENABLE_AUDIO_SUPPORT
+ if ( adf_valid && adf_inrange ) {
+ // play station ident via audio system if on + ident,
+ // otherwise turn it off
+ if ( adf_vol_btn > 0.1 && adf_ident_btn ) {
+ FGSimpleSound *sound;
+ sound = globals->get_soundmgr()->find( "adf-ident" );
+ sound->set_volume( adf_vol_btn * 0.3 );
+ if ( adf_last_time <
+ globals->get_time_params()->get_cur_time() - 30 ) {
+ adf_last_time = globals->get_time_params()->get_cur_time();
+ adf_play_count = 0;
+ }
+ if ( adf_play_count < 4 ) {
+ // play ADF ident
+ if ( !globals->get_soundmgr()->is_playing("adf-ident") ) {
+ globals->get_soundmgr()->play_once( "adf-ident" );
+ ++adf_play_count;
+ }
+ }
+ } else {
+ globals->get_soundmgr()->stop( "adf-ident" );
+ }
+ }
+#endif
+
+ // marker beacon blinking
+ bool light_on = ( outer_blink || middle_blink || inner_blink );
+ SGTimeStamp current;
+ current.stamp();
+
+ if ( light_on && (current - blink > 400000) ) {
+ light_on = false;
+ blink.stamp();
+ } else if ( !light_on && (current - blink > 100000) ) {
+ light_on = true;
+ blink.stamp();
+ }
+
+ if ( outer_marker ) {
+ outer_blink = light_on;
+ } else {
+ outer_blink = false;
+ }
+
+ if ( middle_marker ) {
+ middle_blink = light_on;
+ } else {
+ middle_blink = false;
+ }
+
+ if ( inner_marker ) {
+ inner_blink = light_on;
+ } else {
+ inner_blink = false;
+ }
+
+ // cout << outer_blink << " " << middle_blink << " " << inner_blink << endl;
}
// Update current nav/adf radio stations based on current postition
-void FGRadioStack::search( double lon, double lat, double elev ) {
- // nav1
+void FGRadioStack::search()
+{
+ static FGMkrBeacon::fgMkrBeacType last_beacon = FGMkrBeacon::NOBEACON;
+
+ double lon = lon_node->getDoubleValue() * SGD_DEGREES_TO_RADIANS;
+ double lat = lat_node->getDoubleValue() * SGD_DEGREES_TO_RADIANS;
+ double elev = alt_node->getDoubleValue() * SG_FEET_TO_METER;
+
+ // FIXME: the panel should handle this
+ // don't worry about overhead for now,
+ // since this is handled only periodically
+ int dme_switch_pos = fgGetInt("/radios/dme/switch-position");
+ if (dme_switch_pos == 0) {
+ dme_freq = 0;
+ dme_inrange = false;
+ } else if (dme_switch_pos == 1) {
+ if (dme_freq != nav1_freq) {
+ dme_freq = nav1_freq;
+ need_update = true;
+ }
+ } else if (dme_switch_pos == 3) {
+ if (dme_freq != nav2_freq) {
+ dme_freq = nav2_freq;
+ need_update = true;
+ }
+ }
+
FGILS ils;
FGNav nav;
+ static string last_comm1_ident = "";
+ static string last_comm2_ident = "";
+ static string last_nav1_ident = "";
+ static string last_nav2_ident = "";
+ static string last_adf_ident = "";
+ static bool last_nav1_vor = false;
+ static bool last_nav2_vor = false;
+
+
+ ////////////////////////////////////////////////////////////////////////
+ // Comm1.
+ ////////////////////////////////////////////////////////////////////////
+
+ if ( current_atislist->query( lon, lat, elev, comm1_freq, &atis ) ) {
+ //cout << "atis found in radiostack search !!!!" << endl;
+ comm1_ident = atis.get_ident();
+ comm1_valid = true;
+ if ( last_comm1_ident != comm1_ident ) {
+ //nav1_trans_ident = ils.get_trans_ident();
+ last_comm1_ident = comm1_ident;
+ comm1_elev = atis.get_elev();
+ comm1_range = FG_ATIS_DEFAULT_RANGE;
+ comm1_effective_range = comm1_range;
+ comm1_x = atis.get_x();
+ comm1_y = atis.get_y();
+ comm1_z = atis.get_z();
+ //cout << "Found a new atis station in range" << endl;
+ //cout << " id = " << atis.get_ident() << endl;
+ }
+ } else {
+ comm1_valid = false;
+ comm1_ident = "";
+ //comm1_trans_ident = "";
+ last_comm1_ident = "";
+ // cout << "not picking up atis" << endl;
+ }
+
+ ////////////////////////////////////////////////////////////////////////
+ // Nav1.
+ ////////////////////////////////////////////////////////////////////////
+
if ( current_ilslist->query( lon, lat, elev, nav1_freq, &ils ) ) {
+ nav1_ident = ils.get_locident();
nav1_valid = true;
- nav1_loc = true;
- nav1_dme = true;
-
- nav1_loclon = ils.get_loclon();
- nav1_loclat = ils.get_loclat();
- nav1_gslon = ils.get_gslon();
- nav1_gslat = ils.get_gslat();
- nav1_dmelon = ils.get_dmelon();
- nav1_dmelat = ils.get_dmelat();
- nav1_elev = ils.get_gselev();
- nav1_effective_range = FG_ILS_DEFAULT_RANGE;
- nav1_target_gs = ils.get_gsangle();
- nav1_radial = ils.get_locheading();
- while ( nav1_radial < 0.0 ) { nav1_radial += 360.0; }
- while ( nav1_radial > 360.0 ) { nav1_radial -= 360.0; }
- nav1_gs_x = ils.get_gs_x();
- nav1_gs_y = ils.get_gs_y();
- nav1_gs_z = ils.get_gs_z();
- nav1_dme_x = ils.get_dme_x();
- nav1_dme_y = ils.get_dme_y();
- nav1_dme_z = ils.get_dme_z();
- // cout << "Found an ils station in range" << endl;
- // cout << " id = " << ils.get_locident() << endl;
+ if ( last_nav1_ident != nav1_ident || last_nav1_vor ) {
+ nav1_trans_ident = ils.get_trans_ident();
+ last_nav1_ident = nav1_ident;
+ last_nav1_vor = false;
+ nav1_loc = true;
+ nav1_has_dme = ils.get_has_dme();
+ nav1_has_gs = ils.get_has_gs();
+
+ nav1_loclon = ils.get_loclon();
+ nav1_loclat = ils.get_loclat();
+ nav1_gslon = ils.get_gslon();
+ nav1_gslat = ils.get_gslat();
+ nav1_elev = ils.get_gselev();
+ nav1_magvar = 0;
+ nav1_range = FG_ILS_DEFAULT_RANGE;
+ nav1_effective_range = nav1_range;
+ nav1_target_gs = ils.get_gsangle();
+ nav1_radial = ils.get_locheading();
+ 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();
+ nav1_gs_x = ils.get_gs_x();
+ nav1_gs_y = ils.get_gs_y();
+ nav1_gs_z = ils.get_gs_z();
+
+#ifdef ENABLE_AUDIO_SUPPORT
+ if ( globals->get_soundmgr()->exists( "nav1-vor-ident" ) ) {
+ globals->get_soundmgr()->remove( "nav1-vor-ident" );
+ }
+ FGSimpleSound *sound;
+ sound = morse.make_ident( nav1_trans_ident, LO_FREQUENCY );
+ sound->set_volume( 0.3 );
+ globals->get_soundmgr()->add( sound, "nav1-vor-ident" );
+
+ if ( globals->get_soundmgr()->exists( "nav1-dme-ident" ) ) {
+ globals->get_soundmgr()->remove( "nav1-dme-ident" );
+ }
+ sound = morse.make_ident( nav1_trans_ident, HI_FREQUENCY );
+ sound->set_volume( 0.3 );
+ globals->get_soundmgr()->add( sound, "nav1-dme-ident" );
+
+ int offset = (int)(sg_random() * 30.0);
+ nav1_play_count = offset / 4;
+ nav1_last_time = globals->get_time_params()->get_cur_time() -
+ offset;
+ // cout << "offset = " << offset << " play_count = "
+ // << nav1_play_count
+ // << " nav1_last_time = " << nav1_last_time
+ // << " current time = "
+ // << globals->get_time_params()->get_cur_time() << endl;
+#endif
+
+ // cout << "Found an ils station in range" << endl;
+ // cout << " id = " << ils.get_locident() << endl;
+ }
} else if ( current_navlist->query( lon, lat, elev, nav1_freq, &nav ) ) {
+ nav1_ident = nav.get_ident();
nav1_valid = true;
- nav1_loc = false;
- nav1_dme = nav.get_dme();
- nav1_loclon = nav.get_lon();
- nav1_loclat = 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_dme_x = nav.get_x();
- nav1_dme_y = nav.get_y();
- nav1_dme_y = nav.get_z();
- // cout << "Found a vor station in range" << endl;
- // cout << " id = " << nav.get_ident() << endl;
+ if ( last_nav1_ident != nav1_ident || !last_nav1_vor ) {
+ last_nav1_ident = nav1_ident;
+ last_nav1_vor = true;
+ nav1_trans_ident = nav.get_trans_ident();
+ nav1_loc = false;
+ nav1_has_dme = nav.get_has_dme();
+ nav1_has_gs = false;
+ nav1_loclon = nav.get_lon();
+ nav1_loclat = nav.get_lat();
+ nav1_elev = nav.get_elev();
+ nav1_magvar = nav.get_magvar();
+ nav1_range = nav.get_range();
+ nav1_effective_range = adjustNavRange(nav1_elev, elev, nav1_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();
+
+#ifdef ENABLE_AUDIO_SUPPORT
+ if ( globals->get_soundmgr()->exists( "nav1-vor-ident" ) ) {
+ globals->get_soundmgr()->remove( "nav1-vor-ident" );
+ }
+ FGSimpleSound *sound;
+ sound = morse.make_ident( nav1_trans_ident, LO_FREQUENCY );
+ sound->set_volume( 0.3 );
+ globals->get_soundmgr()->add( sound, "nav1-vor-ident" );
+
+ if ( globals->get_soundmgr()->exists( "nav1-dme-ident" ) ) {
+ globals->get_soundmgr()->remove( "nav1-dme-ident" );
+ }
+ sound = morse.make_ident( nav1_trans_ident, HI_FREQUENCY );
+ sound->set_volume( 0.3 );
+ globals->get_soundmgr()->add( sound, "nav1-dme-ident" );
+
+ int offset = (int)(sg_random() * 30.0);
+ nav1_play_count = offset / 4;
+ nav1_last_time = globals->get_time_params()->get_cur_time() -
+ offset;
+ // cout << "offset = " << offset << " play_count = "
+ // << nav1_play_count << " nav1_last_time = "
+ // << nav1_last_time << " current time = "
+ // << globals->get_time_params()->get_cur_time() << endl;
+#endif
+
+ // cout << "Found a vor station in range" << endl;
+ // cout << " id = " << nav.get_ident() << endl;
+ }
} else {
nav1_valid = false;
+ nav1_ident = "";
+ nav1_radial = 0;
+ nav1_trans_ident = "";
+ last_nav1_ident = "";
+#ifdef ENABLE_AUDIO_SUPPORT
+ globals->get_soundmgr()->remove( "nav1-vor-ident" );
+ globals->get_soundmgr()->remove( "nav1-dme-ident" );
+#endif
// cout << "not picking up vor1. :-(" << endl;
}
+
+ ////////////////////////////////////////////////////////////////////////
+ // Nav2.
+ ////////////////////////////////////////////////////////////////////////
+
if ( current_ilslist->query( lon, lat, elev, nav2_freq, &ils ) ) {
+ nav2_ident = ils.get_locident();
nav2_valid = true;
- nav2_loc = true;
- nav2_dme = true;
-
- nav2_loclon = ils.get_loclon();
- nav2_loclat = 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_gs_x = ils.get_gs_x();
- nav2_gs_y = ils.get_gs_y();
- nav2_gs_z = ils.get_gs_z();
- nav2_dme_x = ils.get_dme_x();
- nav2_dme_y = ils.get_dme_y();
- nav2_dme_z = ils.get_dme_z();
- // cout << "Found an ils station in range" << endl;
- // cout << " id = " << ils.get_locident() << endl;
+ if ( last_nav2_ident != nav2_ident || last_nav2_vor ) {
+ last_nav2_ident = nav2_ident;
+ last_nav2_vor = false;
+ nav2_trans_ident = ils.get_trans_ident();
+ nav2_loc = true;
+ nav2_has_dme = ils.get_has_dme();
+ nav2_has_gs = ils.get_has_gs();
+
+ nav2_loclon = ils.get_loclon();
+ nav2_loclat = ils.get_loclat();
+ nav2_elev = ils.get_gselev();
+ nav2_magvar = 0;
+ nav2_range = FG_ILS_DEFAULT_RANGE;
+ nav2_effective_range = nav2_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();
+ nav2_gs_x = ils.get_gs_x();
+ nav2_gs_y = ils.get_gs_y();
+ nav2_gs_z = ils.get_gs_z();
+
+#ifdef ENABLE_AUDIO_SUPPORT
+ if ( globals->get_soundmgr()->exists( "nav2-vor-ident" ) ) {
+ globals->get_soundmgr()->remove( "nav2-vor-ident" );
+ }
+ FGSimpleSound *sound;
+ sound = morse.make_ident( nav2_trans_ident, LO_FREQUENCY );
+ sound->set_volume( 0.3 );
+ globals->get_soundmgr()->add( sound, "nav2-vor-ident" );
+
+ if ( globals->get_soundmgr()->exists( "nav2-dme-ident" ) ) {
+ globals->get_soundmgr()->remove( "nav2-dme-ident" );
+ }
+ sound = morse.make_ident( nav2_trans_ident, HI_FREQUENCY );
+ sound->set_volume( 0.3 );
+ globals->get_soundmgr()->add( sound, "nav2-dme-ident" );
+
+ int offset = (int)(sg_random() * 30.0);
+ nav2_play_count = offset / 4;
+ nav2_last_time = globals->get_time_params()->get_cur_time() -
+ offset;
+ // cout << "offset = " << offset << " play_count = "
+ // << nav2_play_count << " nav2_last_time = "
+ // << nav2_last_time << " current time = "
+ // << globals->get_time_params()->get_cur_time() << endl;
+#endif
+
+ // 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_ident = nav.get_ident();
nav2_valid = true;
- nav2_loc = false;
- nav2_dme = nav.get_dme();
-
- nav2_loclon = nav.get_lon();
- nav2_loclat = 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_dme_x = nav.get_x();
- nav2_dme_y = nav.get_y();
- nav2_dme_z = nav.get_z();
- // cout << "Found a vor station in range" << endl;
- // cout << " id = " << nav.get_ident() << endl;
+ if ( last_nav2_ident != nav2_ident || !last_nav2_vor ) {
+ last_nav2_ident = nav2_ident;
+ last_nav2_vor = true;
+ nav2_trans_ident = nav.get_trans_ident();
+ nav2_loc = false;
+ nav2_has_dme = nav.get_has_dme();
+ nav2_has_dme = false;
+ nav2_loclon = nav.get_lon();
+ nav2_loclat = nav.get_lat();
+ nav2_elev = nav.get_elev();
+ nav2_magvar = nav.get_magvar();
+ nav2_range = nav.get_range();
+ nav2_effective_range = adjustNavRange(nav2_elev, elev, nav2_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();
+
+#ifdef ENABLE_AUDIO_SUPPORT
+ if ( globals->get_soundmgr()->exists( "nav2-vor-ident" ) ) {
+ globals->get_soundmgr()->remove( "nav2-vor-ident" );
+ }
+ FGSimpleSound *sound;
+ sound = morse.make_ident( nav2_trans_ident, LO_FREQUENCY );
+ sound->set_volume( 0.3 );
+ globals->get_soundmgr()->add( sound, "nav2-vor-ident" );
+
+ if ( globals->get_soundmgr()->exists( "nav2-dme-ident" ) ) {
+ globals->get_soundmgr()->remove( "nav2-dme-ident" );
+ }
+ sound = morse.make_ident( nav2_trans_ident, HI_FREQUENCY );
+ sound->set_volume( 0.3 );
+ globals->get_soundmgr()->add( sound, "nav2-dme-ident" );
+
+ int offset = (int)(sg_random() * 30.0);
+ nav2_play_count = offset / 4;
+ nav2_last_time = globals->get_time_params()->get_cur_time() -
+ offset;
+ // cout << "offset = " << offset << " play_count = "
+ // << nav2_play_count << " nav2_last_time = "
+ // << nav2_last_time << " current time = "
+ // << globals->get_time_params()->get_cur_time() << endl;
+#endif
+
+ // cout << "Found a vor station in range" << endl;
+ // cout << " id = " << nav.get_ident() << endl;
+ }
} else {
nav2_valid = false;
- // cout << "not picking up vor2. :-(" << endl;
+ nav2_ident = "";
+ nav2_radial = 0;
+ nav2_trans_ident = "";
+ last_nav2_ident = "";
+#ifdef ENABLE_AUDIO_SUPPORT
+ globals->get_soundmgr()->remove( "nav2-vor-ident" );
+ globals->get_soundmgr()->remove( "nav2-dme-ident" );
+#endif
+ // cout << "not picking up vor1. :-(" << endl;
}
- // adf
+
+ ////////////////////////////////////////////////////////////////////////
+ // DME
+ ////////////////////////////////////////////////////////////////////////
+
+ if ( current_ilslist->query( lon, lat, elev, dme_freq, &ils ) ) {
+ if (ils.get_has_dme()) {
+ dme_valid = true;
+ dme_lon = ils.get_loclon();
+ dme_lat = ils.get_loclat();
+ dme_elev = ils.get_gselev();
+ dme_range = FG_ILS_DEFAULT_RANGE;
+ dme_effective_range = kludgeRange(dme_elev, elev, dme_range);
+ dme_x = ils.get_dme_x();
+ dme_y = ils.get_dme_y();
+ dme_z = ils.get_dme_z();
+ }
+ } else if ( current_navlist->query( lon, lat, elev, dme_freq, &nav ) ) {
+ if (nav.get_has_dme()) {
+ dme_valid = true;
+ dme_lon = nav.get_lon();
+ dme_lat = nav.get_lat();
+ dme_elev = nav.get_elev();
+ dme_range = nav.get_range();
+ dme_effective_range = kludgeRange(dme_elev, elev, dme_range);
+ dme_x = nav.get_x();
+ dme_y = nav.get_y();
+ dme_z = nav.get_z();
+ }
+ } else {
+ dme_valid = false;
+ dme_dist = 0;
+ }
+
+
+ ////////////////////////////////////////////////////////////////////////
+ // Beacons.
+ ////////////////////////////////////////////////////////////////////////
+
+ FGMkrBeacon::fgMkrBeacType beacon_type
+ = current_beacons->query( lon * SGD_RADIANS_TO_DEGREES,
+ lat * SGD_RADIANS_TO_DEGREES, elev );
+
+ outer_marker = middle_marker = inner_marker = false;
+
+ if ( beacon_type == FGMkrBeacon::OUTER ) {
+ outer_marker = true;
+ // cout << "OUTER MARKER" << endl;
+#ifdef ENABLE_AUDIO_SUPPORT
+ if ( last_beacon != FGMkrBeacon::OUTER ) {
+ if ( ! globals->get_soundmgr()->exists( "outer-marker" ) ) {
+ FGSimpleSound *sound = beacon.get_outer();
+ sound->set_volume( 0.3 );
+ globals->get_soundmgr()->add( sound, "outer-marker" );
+ }
+ if ( !globals->get_soundmgr()->is_playing("outer-marker") ) {
+ globals->get_soundmgr()->play_looped( "outer-marker" );
+ }
+ }
+#endif
+ } else if ( beacon_type == FGMkrBeacon::MIDDLE ) {
+ middle_marker = true;
+ // cout << "MIDDLE MARKER" << endl;
+#ifdef ENABLE_AUDIO_SUPPORT
+ if ( last_beacon != FGMkrBeacon::MIDDLE ) {
+ if ( ! globals->get_soundmgr()->exists( "middle-marker" ) ) {
+ FGSimpleSound *sound = beacon.get_middle();
+ sound->set_volume( 0.3 );
+ globals->get_soundmgr()->add( sound, "middle-marker" );
+ }
+ if ( !globals->get_soundmgr()->is_playing("middle-marker") ) {
+ globals->get_soundmgr()->play_looped( "middle-marker" );
+ }
+ }
+#endif
+ } else if ( beacon_type == FGMkrBeacon::INNER ) {
+ inner_marker = true;
+ // cout << "INNER MARKER" << endl;
+#ifdef ENABLE_AUDIO_SUPPORT
+ if ( last_beacon != FGMkrBeacon::INNER ) {
+ if ( ! globals->get_soundmgr()->exists( "inner-marker" ) ) {
+ FGSimpleSound *sound = beacon.get_inner();
+ sound->set_volume( 0.3 );
+ globals->get_soundmgr()->add( sound, "inner-marker" );
+ }
+ if ( !globals->get_soundmgr()->is_playing("inner-marker") ) {
+ globals->get_soundmgr()->play_looped( "inner-marker" );
+ }
+ }
+#endif
+ } else {
+ // cout << "no marker" << endl;
+#ifdef ENABLE_AUDIO_SUPPORT
+ globals->get_soundmgr()->stop( "outer-marker" );
+ globals->get_soundmgr()->stop( "middle-marker" );
+ globals->get_soundmgr()->stop( "inner-marker" );
+#endif
+ }
+ last_beacon = beacon_type;
+
+
+ ////////////////////////////////////////////////////////////////////////
+ // ADF.
+ ////////////////////////////////////////////////////////////////////////
+
if ( current_navlist->query( lon, lat, elev, adf_freq, &nav ) ) {
+ char freq[128];
+#if defined( _MSC_VER ) || defined(__MINGW32__)
+ _snprintf( freq, 10, "%.0f", adf_freq );
+#else
+ snprintf( freq, 10, "%.0f", adf_freq );
+#endif
+ adf_ident = freq;
+ adf_ident += nav.get_ident();
+ // cout << "adf ident = " << adf_ident << endl;
adf_valid = true;
+ if ( last_adf_ident != adf_ident ) {
+ last_adf_ident = adf_ident;
+
+ adf_trans_ident = nav.get_trans_ident();
+ adf_lon = nav.get_lon();
+ adf_lat = nav.get_lat();
+ adf_elev = nav.get_elev();
+ adf_range = nav.get_range();
+ adf_effective_range = kludgeRange(adf_elev, elev, adf_range);
+ adf_x = nav.get_x();
+ adf_y = nav.get_y();
+ adf_z = nav.get_z();
+
+#ifdef ENABLE_AUDIO_SUPPORT
+ if ( globals->get_soundmgr()->exists( "adf-ident" ) ) {
+ globals->get_soundmgr()->remove( "adf-ident" );
+ }
+ FGSimpleSound *sound;
+ sound = morse.make_ident( adf_trans_ident, LO_FREQUENCY );
+ sound->set_volume( 0.3 );
+ globals->get_soundmgr()->add( sound, "adf-ident" );
+
+ int offset = (int)(sg_random() * 30.0);
+ adf_play_count = offset / 4;
+ adf_last_time = globals->get_time_params()->get_cur_time() -
+ offset;
+ // cout << "offset = " << offset << " play_count = "
+ // << adf_play_count << " adf_last_time = "
+ // << adf_last_time << " current time = "
+ // << globals->get_time_params()->get_cur_time() << endl;
+#endif
- 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 << "Found an adf station in range" << endl;
+ // cout << " id = " << nav.get_ident() << endl;
+ }
} else {
adf_valid = false;
+ adf_ident = "";
+ adf_trans_ident = "";
+#ifdef ENABLE_AUDIO_SUPPORT
+ globals->get_soundmgr()->remove( "adf-ident" );
+#endif
+ last_adf_ident = "";
// 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 );
+// return the amount of heading needle deflection, returns a value
+// clamped to the range of ( -10 , 10 )
+double FGRadioStack::get_nav1_heading_needle_deflection() const {
+ double r;
+
+ if ( nav1_inrange ) {
+ r = nav1_heading - nav1_radial;
+ // cout << "Radial = " << nav1_radial
+ // << " Bearing = " << nav1_heading << endl;
+
+ while ( r > 180.0 ) { r -= 360.0;}
+ while ( r < -180.0 ) { r += 360.0;}
+ if ( fabs(r) > 90.0 ) {
+ r = ( r<0.0 ? -r-180.0 : -r+180.0 );
+ if ( nav1_loc ) {
+ r = -r;
+ }
+ }
+
+ // According to Robin Peel, the ILS is 4x more sensitive than a vor
+ if ( nav1_loc ) { r *= 4.0; }
+ if ( r < -10.0 ) { r = -10.0; }
+ if ( r > 10.0 ) { r = 10.0; }
+ } else {
+ r = 0.0;
+ }
+
+ return r;
+}
+
+// return the amount of heading needle deflection, returns a value
+// clamped to the range of ( -10 , 10 )
+double FGRadioStack::get_nav2_heading_needle_deflection() const {
+ double r;
+
+ if ( nav2_inrange ) {
+ r = nav2_heading - nav2_radial;
+ // cout << "Radial = " << nav2_radial
+ // << " Bearing = " << nav2_heading << endl;
+
+ while (r> 180.0) r-=360.0;
+ while (r<-180.0) r+=360.0;
+ if ( fabs(r) > 90.0 )
+ r = ( r<0.0 ? -r-180.0 : -r+180.0 );
+ // According to Robin Peel, the ILS is 4x more sensitive than a vor
+ if ( nav2_loc ) r *= 4.0;
+ if ( r < -10.0 ) r = -10.0;
+ if ( r > 10.0 ) r = 10.0;
+ } else {
+ r = 0.0;
+ }
+
+ return r;
+}
+
+// return the amount of glide slope needle deflection (.i.e. the
+// number of degrees we are off the glide slope * 5.0
+double FGRadioStack::get_nav1_gs_needle_deflection() const {
+ if ( nav1_inrange && nav1_has_gs ) {
+ double x = nav1_gs_dist;
+ double y = (fgGetDouble("/position/altitude-ft") - nav1_elev)
+ * SG_FEET_TO_METER;
+ double angle = atan2( y, x ) * SGD_RADIANS_TO_DEGREES;
+ return (nav1_target_gs - angle) * 5.0;
+ } else {
+ return 0.0;
+ }
+}
+
+
+// return the amount of glide slope needle deflection (.i.e. the
+// number of degrees we are off the glide slope * 5.0
+double FGRadioStack::get_nav2_gs_needle_deflection() const {
+ if ( nav2_inrange && nav2_has_gs ) {
+ double x = nav2_gs_dist;
+ double y = (fgGetDouble("/position/altitude-ft") - nav2_elev)
+ * SG_FEET_TO_METER;
+ double angle = atan2( y, x ) * SGD_RADIANS_TO_DEGREES;
+ return (nav2_target_gs - angle) * 5.0;
+ } else {
+ return 0.0;
+ }
}
+
+
+/**
+ * Return true if the NAV1 TO flag should be active.
+ */
+bool
+FGRadioStack::get_nav1_to_flag () const
+{
+ if (nav1_inrange) {
+ double offset = fabs(nav1_heading - nav1_radial);
+ if (nav1_loc)
+ return true;
+ else
+ return (offset <= 90.0 || offset >= 270.0);
+ } else {
+ return false;
+ }
+}
+
+
+/**
+ * Return true if the NAV1 FROM flag should be active.
+ */
+bool
+FGRadioStack::get_nav1_from_flag () const
+{
+ if (nav1_inrange) {
+ double offset = fabs(nav1_heading - nav1_radial);
+ if (nav1_loc)
+ return false;
+ else
+ return (offset > 90.0 && offset < 270.0);
+ } else {
+ return false;
+ }
+}
+
+
+/**
+ * Return true if the NAV2 TO flag should be active.
+ */
+bool
+FGRadioStack::get_nav2_to_flag () const
+{
+ if (nav2_inrange) {
+ double offset = fabs(nav2_heading - nav2_radial);
+ if (nav2_loc)
+ return true;
+ else
+ return (offset <= 90.0 || offset >= 270.0);
+ } else {
+ return false;
+ }
+}
+
+
+/**
+ * Return true if the NAV2 FROM flag should be active.
+ */
+bool
+FGRadioStack::get_nav2_from_flag () const
+{
+ if (nav2_inrange) {
+ double offset = fabs(nav2_heading - nav2_radial);
+ if (nav2_loc)
+ return false;
+ else
+ return (offset > 90.0 && offset < 270.0);
+ } else {
+ return false;
+ }
+}
+
projects / flightgear.git / blobdiff