// $Id$
+#include <simgear/math/sg_random.h>
+
#include <Aircraft/aircraft.hxx>
#include <Main/bfi.hxx>
#include <Navaids/ilslist.hxx>
#include "radiostack.hxx"
+static int nav1_play_count = 0;
+static time_t nav1_last_time = 0;
+
+
/**
* Boy, this is ugly! Make the VOR range vary by altitude difference.
*/
void
FGRadioStack::init ()
{
+ morse.init();
+
search();
update();
fgTie("/radios/nav1/radials/selected", this,
&FGRadioStack::get_nav1_sel_radial,
&FGRadioStack::set_nav1_sel_radial);
+ fgTie("/radios/nav1/on", this,
+ &FGRadioStack::get_nav1_on_btn,
+ &FGRadioStack::set_nav1_on_btn);
+ fgTie("/radios/nav1/ident", this,
+ &FGRadioStack::get_nav1_ident_btn,
+ &FGRadioStack::set_nav1_ident_btn);
// Radio outputs
fgTie("/radios/nav1/radials/actual", this, &FGRadioStack::get_nav1_radial);
fgTie("/radios/nav1/dme/distance", this, &FGRadioStack::get_nav1_dme_dist);
fgTie("/radios/nav1/dme/in-range", this,
&FGRadioStack::get_nav1_dme_inrange);
+ fgTie("/radios/nav1/heading-needle-deflection", this,
+ &FGRadioStack::get_nav1_heading_needle_deflection);
+ fgTie("/radios/nav1/gs-needle-deflection", this,
+ &FGRadioStack::get_nav1_gs_needle_deflection);
// User inputs
fgTie("/radios/nav2/frequencies/selected", this,
fgTie("/radios/nav2/radials/selected", this,
&FGRadioStack::get_nav2_sel_radial,
&FGRadioStack::set_nav2_sel_radial);
+ fgTie("/radios/nav2/on", this,
+ &FGRadioStack::get_nav2_on_btn,
+ &FGRadioStack::set_nav2_on_btn);
+ fgTie("/radios/nav2/ident", this,
+ &FGRadioStack::get_nav2_ident_btn,
+ &FGRadioStack::set_nav2_ident_btn);
// Radio outputs
fgTie("/radios/nav2/radials/actual", this, &FGRadioStack::get_nav2_radial);
fgTie("/radios/nav2/dme/distance", this, &FGRadioStack::get_nav2_dme_dist);
fgTie("/radios/nav2/dme/in-range", this,
&FGRadioStack::get_nav2_dme_inrange);
+ fgTie("/radios/nav2/heading-needle-deflection", this,
+ &FGRadioStack::get_nav2_heading_needle_deflection);
+ fgTie("/radios/nav2/gs-needle-deflection", this,
+ &FGRadioStack::get_nav2_gs_needle_deflection);
// User inputs
fgTie("/radios/adf/frequencies/selected", this,
fgUntie("/radios/nav1/frequencies/standby");
fgUntie("/radios/nav1/radials/actual");
fgUntie("/radios/nav1/radials/selected");
+ fgUntie("/radios/nav1/on");
+ fgUntie("/radios/nav1/ident");
fgUntie("/radios/nav1/to-flag");
fgUntie("/radios/nav1/from-flag");
fgUntie("/radios/nav1/in-range");
fgUntie("/radios/nav1/dme/distance");
fgUntie("/radios/nav1/dme/in-range");
+ fgUntie("/radios/nav1/heading-needle-deflection");
+ fgUntie("/radios/nav1/gs-needle-deflection");
fgUntie("/radios/nav2/frequencies/selected");
fgUntie("/radios/nav2/frequencies/standby");
fgUntie("/radios/nav2/radials/actual");
fgUntie("/radios/nav2/radials/selected");
+ fgUntie("/radios/nav2/on");
+ fgUntie("/radios/nav2/ident");
fgUntie("/radios/nav2/to-flag");
fgUntie("/radios/nav2/from-flag");
fgUntie("/radios/nav2/in-range");
fgUntie("/radios/nav2/dme/distance");
fgUntie("/radios/nav2/dme/in-range");
+ fgUntie("/radios/nav2/heading-needle-deflection");
+ fgUntie("/radios/nav2/gs-needle-deflection");
fgUntie("/radios/adf/frequencies/selected");
fgUntie("/radios/adf/frequencies/standby");
fgUntie("/radios/adf/rotation");
}
-// Search the database for the current frequencies given current location
+// Update the various nav values based on position and valid tuned in navs
void
FGRadioStack::update()
{
// cout << "not picking up vor. :-(" << endl;
}
+ if ( nav1_valid && nav1_inrange ) {
+ // play station ident via audio system if on + ident,
+ // otherwise turn it off
+ if ( nav1_on_btn && nav1_ident_btn ) {
+ 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" );
+ }
+ }
+
if ( nav2_valid ) {
station = Point3D( nav2_x, nav2_y, nav2_z );
nav2_loc_dist = aircraft.distance3D( station );
// Update current nav/adf radio stations based on current postition
-void FGRadioStack::search ()
+void FGRadioStack::search()
{
double lon = longitudeVal->getDoubleValue() * DEG_TO_RAD;
double lat = latitudeVal->getDoubleValue() * DEG_TO_RAD;
FGILS ils;
FGNav nav;
+ static string last_nav1_ident = "";
+ static string last_nav2_ident = "";
+
if ( current_ilslist->query( lon, lat, elev, nav1_freq, &ils ) ) {
- nav1_valid = true;
- 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_dmelon = ils.get_dmelon();
- nav1_dmelat = ils.get_dmelat();
- nav1_elev = ils.get_gselev();
- nav1_magvar = 0;
- 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_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();
- 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;
+ nav1_ident = ils.get_locident();
+ if ( last_nav1_ident != nav1_ident ) {
+ nav1_trans_ident = ils.get_trans_ident();
+ last_nav1_ident = nav1_ident;
+ nav1_valid = true;
+ 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_dmelon = ils.get_dmelon();
+ nav1_dmelat = ils.get_dmelat();
+ nav1_elev = ils.get_gselev();
+ nav1_magvar = 0;
+ 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_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();
+ nav1_dme_x = ils.get_dme_x();
+ nav1_dme_y = ils.get_dme_y();
+ nav1_dme_z = ils.get_dme_z();
+
+ 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;
+
+ // 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_valid = true;
- 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_effective_range = kludgeRange(nav1_elev, elev, nav.get_range());
- nav1_target_gs = 0.0;
- nav1_radial = nav1_sel_radial;
- nav1_x = nav1_dme_x = nav.get_x();
- nav1_y = nav1_dme_y = nav.get_y();
- nav1_z = nav1_dme_z = nav.get_z();
- // cout << "Found a vor station in range" << endl;
- // cout << " id = " << nav.get_ident() << endl;
+ nav1_ident = nav.get_ident();
+ if ( last_nav1_ident != nav1_ident ) {
+ last_nav1_ident = nav1_ident;
+ nav1_trans_ident = nav.get_trans_ident();
+ nav1_valid = true;
+ 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_effective_range
+ = kludgeRange(nav1_elev, elev, nav.get_range());
+ nav1_target_gs = 0.0;
+ nav1_radial = nav1_sel_radial;
+ nav1_x = nav1_dme_x = nav.get_x();
+ nav1_y = nav1_dme_y = nav.get_y();
+ nav1_z = nav1_dme_z = nav.get_z();
+
+ 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;
+
+ // cout << "Found a vor station in range" << endl;
+ // cout << " id = " << nav.get_ident() << endl;
+ }
} else {
nav1_valid = false;
+ nav1_ident = "";
nav1_radial = 0;
nav1_dme_dist = 0;
+ globals->get_soundmgr()->remove( "nav1-vor-ident" );
+ globals->get_soundmgr()->remove( "nav1-dme-ident" );
// cout << "not picking up vor1. :-(" << endl;
}
if ( current_ilslist->query( lon, lat, elev, nav2_freq, &ils ) ) {
- nav2_valid = true;
- 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_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();
- 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;
+ nav2_ident = ils.get_locident();
+ if ( last_nav2_ident != nav2_ident ) {
+ last_nav2_ident = nav2_ident;
+ nav2_trans_ident = ils.get_trans_ident();
+ nav2_valid = true;
+ 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_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();
+ 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;
+ }
} else if ( current_navlist->query( lon, lat, elev, nav2_freq, &nav ) ) {
- nav2_valid = true;
- 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_effective_range = kludgeRange(nav2_elev, elev, nav.get_range());
- nav2_target_gs = 0.0;
- nav2_radial = nav2_sel_radial;
- nav2_x = nav2_dme_x = nav.get_x();
- nav2_y = nav2_dme_y = nav.get_y();
- nav2_z = nav2_dme_z = nav.get_z();
- // cout << "Found a vor station in range" << endl;
- // cout << " id = " << nav.get_ident() << endl;
+ nav2_ident = nav.get_ident();
+ if ( last_nav2_ident != nav2_ident ) {
+ last_nav2_ident = nav2_ident;
+ nav2_trans_ident = nav.get_trans_ident();
+ nav2_valid = true;
+ 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_effective_range
+ = kludgeRange(nav2_elev, elev, nav.get_range());
+ nav2_target_gs = 0.0;
+ nav2_radial = nav2_sel_radial;
+ nav2_x = nav2_dme_x = nav.get_x();
+ nav2_y = nav2_dme_y = nav.get_y();
+ nav2_z = nav2_dme_z = nav.get_z();
+ // cout << "Found a vor station in range" << endl;
+ // cout << " id = " << nav.get_ident() << endl;
+ }
} else {
nav2_valid = false;
+ nav2_ident = "";
nav2_radial = 0;
nav2_dme_dist = 0;
// cout << "not picking up vor2. :-(" << endl;
}
+// 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 = (FGBFI::getAltitude() - nav1_elev) * FEET_TO_METER;
+ double angle = atan2( y, x ) * RAD_TO_DEG;
+ 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 = (FGBFI::getAltitude() - nav2_elev) * FEET_TO_METER;
+ double angle = atan2( y, x ) * RAD_TO_DEG;
+ return (nav2_target_gs - angle) * 5.0;
+ } else {
+ return 0.0;
+ }
+}
+
+
/**
* Return true if the NAV1 TO flag should be active.
*/
if (nav1_inrange) {
double offset = fabs(nav1_heading - nav1_radial);
if (nav1_loc)
- return (offset <= 8.0 || offset >= 352.0);
+ return true;
else
- return (offset <= 20.0 || offset >= 340.0);
+ return (offset <= 90.0 || offset >= 270.0);
} else {
return false;
}
if (nav1_inrange) {
double offset = fabs(nav1_heading - nav1_radial);
if (nav1_loc)
- return (offset >= 172.0 && offset <= 188.0);
+ return false;
else
- return (offset >= 160.0 && offset <= 200.0);
+ return (offset > 90.0 && offset < 270.0);
} else {
return false;
}
if (nav2_inrange) {
double offset = fabs(nav2_heading - nav2_radial);
if (nav2_loc)
- return (offset <= 8.0 || offset >= 352.0);
+ return true;
else
- return (offset <= 20.0 || offset >= 340.0);
+ return (offset <= 90.0 || offset >= 270.0);
} else {
return false;
}
if (nav2_inrange) {
double offset = fabs(nav2_heading - nav2_radial);
if (nav2_loc)
- return (offset >= 172.0 && offset <= 188.0);
+ return false;
else
- return (offset >= 160.0 && offset <= 200.0);
+ return (offset > 90.0 && offset < 270.0);
} else {
return false;
}
}
-
projects / flightgear.git / blobdiff