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Split Nav/Com units out into their own source code file to continue the

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process of simplifying radiostack.[ch]xx
This commit is contained in:
curt 2002-09-19 01:11:07 +00:00
parent e0a7536e55
commit 3d2311d884
6 changed files with 894 additions and 1005 deletions
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1
src/Cockpit/Makefile.am
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@ -9,6 +9,7 @@ libCockpit_a_SOURCES = \
hud_scal.cxx hud_tbi.cxx \
kr_87.cxx kr_87.hxx \
kt_70.cxx kt_70.hxx \
navcom.cxx navcom.hxx \
panel.cxx panel.hxx \
panel_io.cxx panel_io.hxx \
radiostack.cxx radiostack.hxx \

644
src/Cockpit/navcom.cxx Normal file
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@ -0,0 +1,644 @@
// navcom.cxx -- class to manage a navcom instance
//
// Written by Curtis Olson, started April 2000.
//
// Copyright (C) 2000 - 2002 Curtis L. Olson - curt@flightgear.org
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// $Id$
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdio.h> // snprintf
#include <simgear/compiler.h>
#include <simgear/math/sg_random.h>
#include <Aircraft/aircraft.hxx>
#include <Navaids/ilslist.hxx>
#include <Navaids/mkrbeacons.hxx>
#include <Navaids/navlist.hxx>
#include <Time/FGEventMgr.hxx>
#include "navcom.hxx"
#include <string>
SG_USING_STD(string);
/**
* 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;
}
// Constructor
FGNavCom::FGNavCom() :
lon_node(fgGetNode("/position/longitude-deg", true)),
lat_node(fgGetNode("/position/latitude-deg", true)),
alt_node(fgGetNode("/position/altitude-ft", true)),
last_nav_ident(""),
last_nav_vor(false),
nav_play_count(0),
nav_last_time(0),
need_update(true),
comm_freq(0.0),
comm_alt_freq(0.0),
comm_vol_btn(0.0),
nav_freq(0.0),
nav_alt_freq(0.0),
nav_radial(0.0),
nav_vol_btn(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() );
}
// Destructor
FGNavCom::~FGNavCom()
{
unbind(); // FIXME: should be called externally
delete term_tbl;
delete low_tbl;
delete high_tbl;
}
void
FGNavCom::init ()
{
morse.init();
beacon.init();
search();
update(0); // FIXME: use dt
}
void
FGNavCom::bind ()
{
char propname[256];
// User inputs
sprintf( propname, "/radios/comm[%d]/frequencies/selected-mhz", index );
fgTie( propname, this, &FGNavCom::get_comm_freq, &FGNavCom::set_comm_freq );
fgSetArchivable( propname );
sprintf( propname, "/radios/comm[%d]/frequencies/standby-mhz", index );
fgTie( propname, this,
&FGNavCom::get_comm_alt_freq, &FGNavCom::set_comm_alt_freq );
fgSetArchivable( propname );
sprintf( propname, "/radios/comm[%d]/volume", index );
fgTie( propname, this,
&FGNavCom::get_comm_vol_btn, &FGNavCom::set_comm_vol_btn );
fgSetArchivable( propname );
sprintf( propname, "/radios/comm[%d]/ident", index );
fgTie( propname, this,
&FGNavCom::get_comm_ident_btn, &FGNavCom::set_comm_ident_btn );
fgSetArchivable( propname );
sprintf( propname, "/radios/nav[%d]/frequencies/selected-mhz", index );
fgTie( propname, this,
&FGNavCom::get_nav_freq, &FGNavCom::set_nav_freq );
fgSetArchivable( propname );
sprintf( propname, "/radios/nav[%d]/frequencies/standby-mhz", index );
fgTie( propname , this,
&FGNavCom::get_nav_alt_freq, &FGNavCom::set_nav_alt_freq);
fgSetArchivable( propname );
sprintf( propname, "/radios/nav[%d]/radials/selected-deg", index );
fgTie( propname, this,
&FGNavCom::get_nav_sel_radial, &FGNavCom::set_nav_sel_radial );
fgSetArchivable( propname );
sprintf( propname, "/radios/nav[%d]/volume", index );
fgTie( propname, this,
&FGNavCom::get_nav_vol_btn, &FGNavCom::set_nav_vol_btn );
fgSetArchivable( propname );
sprintf( propname, "/radios/nav[%d]/ident", index );
fgTie( propname, this,
&FGNavCom::get_nav_ident_btn, &FGNavCom::set_nav_ident_btn );
fgSetArchivable( propname );
// Radio outputs
sprintf( propname, "/radios/nav[%d]/radials/actual-deg", index );
fgTie( propname, this, &FGNavCom::get_nav_radial );
sprintf( propname, "/radios/nav[%d]/to-flag", index );
fgTie( propname, this, &FGNavCom::get_nav_to_flag );
sprintf( propname, "/radios/nav[%d]/from-flag", index );
fgTie( propname, this, &FGNavCom::get_nav_from_flag );
sprintf( propname, "/radios/nav[%d]/in-range", index );
fgTie( propname, this, &FGNavCom::get_nav_inrange );
sprintf( propname, "/radios/nav[%d]/heading-needle-deflection", index );
fgTie( propname, this, &FGNavCom::get_nav_heading_needle_deflection );
sprintf( propname, "/radios/nav[%d]/gs-needle-deflection", index );
fgTie( propname, this, &FGNavCom::get_nav_gs_needle_deflection );
}
void
FGNavCom::unbind ()
{
char propname[256];
sprintf( propname, "/radios/comm[%d]/frequencies/selected-mhz", index );
fgUntie( propname );
sprintf( propname, "/radios/comm[%d]/frequencies/standby-mhz", index );
fgUntie( propname );
sprintf( propname, "/radios/comm[%d]/on", index );
fgUntie( propname );
sprintf( propname, "/radios/comm[%d]/ident", index );
fgUntie( propname );
sprintf( propname, "/radios/nav[%d]/frequencies/selected-mhz", index );
fgUntie( propname );
sprintf( propname, "/radios/nav[%d]/frequencies/standby-mhz", index );
fgUntie( propname );
sprintf( propname, "/radios/nav[%d]/radials/actual-deg", index );
fgUntie( propname );
sprintf( propname, "/radios/nav[%d]/radials/selected-deg", index );
fgUntie( propname );
sprintf( propname, "/radios/nav[%d]/on", index );
fgUntie( propname );
sprintf( propname, "/radios/nav[%d]/ident", index );
fgUntie( propname );
sprintf( propname, "/radios/nav[%d]/to-flag", index );
fgUntie( propname );
sprintf( propname, "/radios/nav[%d]/from-flag", index );
fgUntie( propname );
sprintf( propname, "/radios/nav[%d]/in-range", index );
fgUntie( propname );
sprintf( propname, "/radios/nav[%d]/heading-needle-deflection", index );
fgUntie( propname );
sprintf( propname, "/radios/nav[%d]/gs-needle-deflection", index );
fgUntie( propname );
}
// model standard VOR/DME/TACAN service volumes as per AIM 1-1-8
double FGNavCom::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 FGNavCom::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
FGNavCom::update(double dt)
{
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 = sgGeodToCart( Point3D( lon, lat, elev ) );
Point3D station;
double az1, az2, s;
////////////////////////////////////////////////////////////////////////
// Nav.
////////////////////////////////////////////////////////////////////////
if ( nav_valid ) {
station = Point3D( nav_x, nav_y, nav_z );
nav_loc_dist = aircraft.distance3D( station );
if ( nav_has_gs ) {
station = Point3D( nav_gs_x, nav_gs_y, nav_gs_z );
nav_gs_dist = aircraft.distance3D( station );
} else {
nav_gs_dist = 0.0;
}
// wgs84 heading
geo_inverse_wgs_84( elev, lat * SGD_RADIANS_TO_DEGREES, lon * SGD_RADIANS_TO_DEGREES,
nav_loclat, nav_loclon,
&az1, &az2, &s );
// cout << "az1 = " << az1 << " magvar = " << nav_magvar << endl;
nav_heading = az1 - nav_magvar;
// cout << " heading = " << nav_heading
// << " dist = " << nav_dist << endl;
if ( nav_loc ) {
double offset = nav_heading - nav_radial;
while ( offset < -180.0 ) { offset += 360.0; }
while ( offset > 180.0 ) { offset -= 360.0; }
// cout << "ils offset = " << offset << endl;
nav_effective_range = adjustILSRange(nav_elev, elev, offset,
nav_loc_dist * SG_METER_TO_NM );
} else {
nav_effective_range = adjustNavRange(nav_elev, elev, nav_range);
}
// cout << "nav range = " << nav_effective_range
// << " (" << nav_range << ")" << endl;
if ( nav_loc_dist < nav_effective_range * SG_NM_TO_METER ) {
nav_inrange = true;
} else if ( nav_loc_dist < 2 * nav_effective_range * SG_NM_TO_METER ) {
nav_inrange = sg_random() <
( 2 * nav_effective_range * SG_NM_TO_METER - nav_loc_dist ) /
(nav_effective_range * SG_NM_TO_METER);
} else {
nav_inrange = false;
}
if ( !nav_loc ) {
nav_radial = nav_sel_radial;
}
} else {
nav_inrange = false;
// cout << "not picking up vor. :-(" << endl;
}
#ifdef ENABLE_AUDIO_SUPPORT
if ( nav_valid && nav_inrange ) {
// play station ident via audio system if on + ident,
// otherwise turn it off
if ( nav_vol_btn > 0.1 && nav_ident_btn ) {
FGSimpleSound *sound;
sound = globals->get_soundmgr()->find( nav_fx_name );
if ( sound != NULL ) {
sound->set_volume( nav_vol_btn );
} else {
SG_LOG( SG_COCKPIT, SG_ALERT,
"Can't find nav-vor-ident sound" );
}
sound = globals->get_soundmgr()->find( dme_fx_name );
if ( sound != NULL ) {
sound->set_volume( nav_vol_btn );
} else {
SG_LOG( SG_COCKPIT, SG_ALERT,
"Can't find nav-dme-ident sound" );
}
cout << "nav_last_time = " << nav_last_time << " ";
cout << "cur_time = " << globals->get_time_params()->get_cur_time();
if ( nav_last_time <
globals->get_time_params()->get_cur_time() - 30 ) {
nav_last_time = globals->get_time_params()->get_cur_time();
nav_play_count = 0;
}
cout << " nav_play_count = " << nav_play_count << endl;
cout << "playing = "
<< globals->get_soundmgr()->is_playing(nav_fx_name)
<< endl;
if ( nav_play_count < 4 ) {
// play VOR ident
if ( !globals->get_soundmgr()->is_playing(nav_fx_name) ) {
globals->get_soundmgr()->play_once( nav_fx_name );
++nav_play_count;
}
} else if ( nav_play_count < 5 && nav_has_dme ) {
// play DME ident
if ( !globals->get_soundmgr()->is_playing(nav_fx_name) &&
!globals->get_soundmgr()->is_playing(dme_fx_name) ) {
globals->get_soundmgr()->play_once( dme_fx_name );
++nav_play_count;
}
}
} else {
globals->get_soundmgr()->stop( nav_fx_name );
globals->get_soundmgr()->stop( dme_fx_name );
}
}
#endif
}
// Update current nav/adf radio stations based on current postition
void FGNavCom::search()
{
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;
FGILS ils;
FGNav nav;
////////////////////////////////////////////////////////////////////////
// Nav.
////////////////////////////////////////////////////////////////////////
if ( current_ilslist->query( lon, lat, elev, nav_freq, &ils ) ) {
nav_ident = ils.get_locident();
nav_valid = true;
if ( last_nav_ident != nav_ident || last_nav_vor ) {
nav_trans_ident = ils.get_trans_ident();
last_nav_ident = nav_ident;
last_nav_vor = false;
nav_loc = true;
nav_has_dme = ils.get_has_dme();
nav_has_gs = ils.get_has_gs();
nav_loclon = ils.get_loclon();
nav_loclat = ils.get_loclat();
nav_gslon = ils.get_gslon();
nav_gslat = ils.get_gslat();
nav_elev = ils.get_gselev();
nav_magvar = 0;
nav_range = FG_ILS_DEFAULT_RANGE;
nav_effective_range = nav_range;
nav_target_gs = ils.get_gsangle();
nav_radial = ils.get_locheading();
while ( nav_radial < 0.0 ) { nav_radial += 360.0; }
while ( nav_radial > 360.0 ) { nav_radial -= 360.0; }
nav_x = ils.get_x();
nav_y = ils.get_y();
nav_z = ils.get_z();
nav_gs_x = ils.get_gs_x();
nav_gs_y = ils.get_gs_y();
nav_gs_z = ils.get_gs_z();
#ifdef ENABLE_AUDIO_SUPPORT
if ( globals->get_soundmgr()->exists( nav_fx_name ) ) {
globals->get_soundmgr()->remove( nav_fx_name );
}
FGSimpleSound *sound;
sound = morse.make_ident( nav_trans_ident, LO_FREQUENCY );
sound->set_volume( 0.3 );
globals->get_soundmgr()->add( sound, nav_fx_name );
if ( globals->get_soundmgr()->exists( dme_fx_name ) ) {
globals->get_soundmgr()->remove( dme_fx_name );
}
sound = morse.make_ident( nav_trans_ident, HI_FREQUENCY );
sound->set_volume( 0.3 );
globals->get_soundmgr()->add( sound, dme_fx_name );
int offset = (int)(sg_random() * 30.0);
nav_play_count = offset / 4;
nav_last_time = globals->get_time_params()->get_cur_time() -
offset;
cout << "offset = " << offset << " play_count = "
<< nav_play_count
<< " nav_last_time = " << nav_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, nav_freq, &nav ) ) {
nav_ident = nav.get_ident();
nav_valid = true;
if ( last_nav_ident != nav_ident || !last_nav_vor ) {
last_nav_ident = nav_ident;
last_nav_vor = true;
nav_trans_ident = nav.get_trans_ident();
nav_loc = false;
nav_has_dme = nav.get_has_dme();
nav_has_gs = false;
nav_loclon = nav.get_lon();
nav_loclat = nav.get_lat();
nav_elev = nav.get_elev();
nav_magvar = nav.get_magvar();
nav_range = nav.get_range();
nav_effective_range = adjustNavRange(nav_elev, elev, nav_range);
nav_target_gs = 0.0;
nav_radial = nav_sel_radial;
nav_x = nav.get_x();
nav_y = nav.get_y();
nav_z = nav.get_z();
#ifdef ENABLE_AUDIO_SUPPORT
if ( globals->get_soundmgr()->exists( nav_fx_name ) ) {
globals->get_soundmgr()->remove( nav_fx_name );
}
FGSimpleSound *sound;
sound = morse.make_ident( nav_trans_ident, LO_FREQUENCY );
sound->set_volume( 0.3 );
if ( globals->get_soundmgr()->add( sound, nav_fx_name ) ) {
cout << "Added nav-vor-ident sound" << endl;
} else {
cout << "Failed to add v1-vor-ident sound" << endl;
}
if ( globals->get_soundmgr()->exists( dme_fx_name ) ) {
globals->get_soundmgr()->remove( dme_fx_name );
}
sound = morse.make_ident( nav_trans_ident, HI_FREQUENCY );
sound->set_volume( 0.3 );
globals->get_soundmgr()->add( sound, dme_fx_name );
int offset = (int)(sg_random() * 30.0);
nav_play_count = offset / 4;
nav_last_time = globals->get_time_params()->get_cur_time() -
offset;
cout << "offset = " << offset << " play_count = "
<< nav_play_count << " nav_last_time = "
<< nav_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 {
nav_valid = false;
nav_ident = "";
nav_radial = 0;
nav_trans_ident = "";
last_nav_ident = "";
#ifdef ENABLE_AUDIO_SUPPORT
if ( ! globals->get_soundmgr()->remove( nav_fx_name ) ) {
cout << "Failed to remove nav-vor-ident sound" << endl;
}
globals->get_soundmgr()->remove( dme_fx_name );
#endif
// cout << "not picking up vor1. :-(" << endl;
}
}
// return the amount of heading needle deflection, returns a value
// clamped to the range of ( -10 , 10 )
double FGNavCom::get_nav_heading_needle_deflection() const {
double r;
if ( nav_inrange ) {
r = nav_heading - nav_radial;
// cout << "Radial = " << nav_radial
// << " Bearing = " << nav_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 ( nav_loc ) {
r = -r;
}
}
// According to Robin Peel, the ILS is 4x more sensitive than a vor
if ( nav_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 FGNavCom::get_nav_gs_needle_deflection() const {
if ( nav_inrange && nav_has_gs ) {
double x = nav_gs_dist;
double y = (fgGetDouble("/position/altitude-ft") - nav_elev)
* SG_FEET_TO_METER;
double angle = atan2( y, x ) * SGD_RADIANS_TO_DEGREES;
return (nav_target_gs - angle) * 5.0;
} else {
return 0.0;
}
}
/**
* Return true if the NAV TO flag should be active.
*/
bool
FGNavCom::get_nav_to_flag () const
{
if (nav_inrange) {
double offset = fabs(nav_heading - nav_radial);
if (nav_loc)
return true;
else
return (offset <= 90.0 || offset >= 270.0);
} else {
return false;
}
}
/**
* Return true if the NAV FROM flag should be active.
*/
bool
FGNavCom::get_nav_from_flag () const
{
if (nav_inrange) {
double offset = fabs(nav_heading - nav_radial);
if (nav_loc)
return false;
else
return (offset > 90.0 && offset < 270.0);
} else {
return false;
}
}

209
src/Cockpit/navcom.hxx Normal file
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@ -0,0 +1,209 @@
// navcom.hxx -- class to manage a navcom instance
//
// Written by Curtis Olson, started April 2000.
//
// Copyright (C) 2000 - 2002 Curtis L. Olson - curt@flightgear.org
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// $Id$
#ifndef _FG_NAVCOM_HXX
#define _FG_NAVCOM_HXX
#include <Main/fgfs.hxx>
#include <Main/fg_props.hxx>
#include <simgear/compiler.h>
#include <simgear/math/interpolater.hxx>
#include <simgear/timing/timestamp.hxx>
#include <Navaids/ilslist.hxx>
#include <Navaids/navlist.hxx>
#include <Sound/beacon.hxx>
#include <Sound/morse.hxx>
class FGNavCom : public FGSubsystem
{
FGBeacon beacon;
FGMorse morse;
SGInterpTable *term_tbl;
SGInterpTable *low_tbl;
SGInterpTable *high_tbl;
SGPropertyNode *lon_node;
SGPropertyNode *lat_node;
SGPropertyNode *alt_node;
string last_nav_ident;
bool last_nav_vor;
int nav_play_count;
time_t nav_last_time;
int index; // used for property binding
char nav_fx_name[256];
char dme_fx_name[256];
bool need_update;
string comm_ident;
bool comm_valid;
bool comm_inrange;
double comm_freq;
double comm_alt_freq;
double comm_vol_btn;
bool comm_ident_btn;
double comm_x;
double comm_y;
double comm_z;
double comm_dist;
double comm_elev;
double comm_range;
double comm_effective_range;
string nav_ident;
string nav_trans_ident;
bool nav_valid;
bool nav_inrange;
bool nav_has_dme;
bool nav_has_gs;
bool nav_loc;
double nav_freq;
double nav_alt_freq;
double nav_radial;
double nav_sel_radial;
double nav_loclon;
double nav_loclat;
double nav_x;
double nav_y;
double nav_z;
double nav_loc_dist;
double nav_gslon;
double nav_gslat;
double nav_gs_x;
double nav_gs_y;
double nav_gs_z;
double nav_gs_dist;
SGTimeStamp prev_time;
SGTimeStamp curr_time;
double nav_elev;
double nav_range;
double nav_effective_range;
double nav_heading;
double nav_target_gs;
double nav_magvar;
double nav_vol_btn;
bool nav_ident_btn;
// model standard VOR/DME/TACAN service volumes as per AIM 1-1-8
double adjustNavRange( double stationElev, double aircraftElev,
double nominalRange );
// model standard ILS service volumes as per AIM 1-1-9
double adjustILSRange( double stationElev, double aircraftElev,
double offsetDegrees, double distance );
public:
FGNavCom();
~FGNavCom();
void init ();
void bind ();
void unbind ();
void update (double dt);
// Update nav/adf radios based on current postition
void search ();
inline void set_bind_index( int i ) {
index = i;
sprintf( nav_fx_name, "nav%d-vor-ident", index );
sprintf( dme_fx_name, "dme%d-vor-ident", index );
}
// COMM Setters
inline void set_comm_freq( double freq ) {
comm_freq = freq; need_update = true;
}
inline void set_comm_alt_freq( double freq ) { comm_alt_freq = freq; }
inline void set_comm_vol_btn( double val ) {
if ( val < 0.0 ) val = 0.0;
if ( val > 1.0 ) val = 1.0;
comm_vol_btn = val;
}
inline void set_comm_ident_btn( bool val ) { comm_ident_btn = val; }
// NAV Setters
inline void set_nav_freq( double freq ) {
nav_freq = freq; need_update = true;
}
inline void set_nav_alt_freq( double freq ) { nav_alt_freq = freq; }
inline void set_nav_sel_radial( double radial ) {
nav_sel_radial = radial; need_update = true;
}
inline void set_nav_vol_btn( double val ) {
if ( val < 0.0 ) val = 0.0;
if ( val > 1.0 ) val = 1.0;
nav_vol_btn = val;
}
inline void set_nav_ident_btn( bool val ) { nav_ident_btn = val; }
// COMM Accessors
inline double get_comm_freq () const { return comm_freq; }
inline double get_comm_alt_freq () const { return comm_alt_freq; }
// NAV Accessors
inline double get_nav_freq () const { return nav_freq; }
inline double get_nav_alt_freq () const { return nav_alt_freq; }
inline double get_nav_sel_radial() const { return nav_sel_radial; }
// Calculated values.
inline bool get_comm_inrange() const { return comm_inrange; }
inline double get_comm_vol_btn() const { return comm_vol_btn; }
inline bool get_comm_ident_btn() const { return comm_ident_btn; }
inline bool get_nav_inrange() const { return nav_inrange; }
bool get_nav_to_flag () const;
bool get_nav_from_flag () const;
inline bool get_nav_has_dme() const { return nav_has_dme; }
inline bool get_nav_dme_inrange () const {
return nav_inrange && nav_has_dme;
}
inline bool get_nav_has_gs() const { return nav_has_gs; }
inline bool get_nav_loc() const { return nav_loc; }
inline double get_nav_loclon() const { return nav_loclon; }
inline double get_nav_loclat() const { return nav_loclat; }
inline double get_nav_loc_dist() const { return nav_loc_dist; }
inline double get_nav_gslon() const { return nav_gslon; }
inline double get_nav_gslat() const { return nav_gslat; }
inline double get_nav_gs_dist() const { return nav_gs_dist; }
inline double get_nav_elev() const { return nav_elev; }
inline double get_nav_heading() const { return nav_heading; }
inline double get_nav_radial() const { return nav_radial; }
inline double get_nav_target_gs() const { return nav_target_gs; }
inline double get_nav_magvar() const { return nav_magvar; }
double get_nav_heading_needle_deflection() const;
double get_nav_gs_needle_deflection() const;
inline double get_nav_vol_btn() const { return nav_vol_btn; }
inline bool get_nav_ident_btn() const { return nav_ident_btn; }
};
#endif // _FG_NAVCOM_HXX

812
src/Cockpit/radiostack.cxx
View file

@ -41,11 +41,6 @@
#include <string>
SG_USING_STD(string);
static int nav1_play_count = 0;
static int nav2_play_count = 0;
static time_t nav1_last_time = 0;
static time_t nav2_last_time = 0;
FGRadioStack *current_radiostack;
@ -81,20 +76,6 @@ FGRadioStack::FGRadioStack() :
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),
comm1_vol_btn(0.0),
comm2_freq(0.0),
comm2_alt_freq(0.0),
comm2_vol_btn(0.0),
nav1_freq(0.0),
nav1_alt_freq(0.0),
nav1_radial(0.0),
nav1_vol_btn(0.0),
nav2_freq(0.0),
nav2_alt_freq(0.0),
nav2_radial(0.0),
nav2_vol_btn(0.0),
dme_freq(0.0),
dme_dist(0.0),
dme_prev_dist(0.0),
@ -122,6 +103,8 @@ FGRadioStack::FGRadioStack() :
// Destructor
FGRadioStack::~FGRadioStack()
{
navcom1.unbind();
navcom2.unbind();
adf.unbind();
xponder.unbind();
unbind(); // FIXME: should be called externally
@ -135,6 +118,12 @@ FGRadioStack::~FGRadioStack()
void
FGRadioStack::init ()
{
navcom1.set_bind_index( 0 );
navcom1.init();
navcom2.set_bind_index( 1 );
navcom2.init();
adf.init();
xponder.init();
@ -143,10 +132,14 @@ FGRadioStack::init ()
blink.stamp();
search();
navcom1.search();
navcom2.search();
adf.search();
xponder.search();
update(0); // FIXME: use dt
navcom1.update(0);
navcom2.update(0);
adf.update(0);
xponder.update(0);
@ -159,97 +152,6 @@ FGRadioStack::init ()
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,
@ -257,17 +159,26 @@ FGRadioStack::bind ()
// 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);
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);
navcom1.set_bind_index( 0 );
navcom1.bind();
navcom2.set_bind_index( 1 );
navcom2.bind();
adf.bind();
xponder.bind();
}
@ -275,40 +186,6 @@ FGRadioStack::bind ()
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
@ -321,6 +198,8 @@ FGRadioStack::unbind ()
fgUntie("/radios/marker-beacon/middle");
fgUntie("/radios/marker-beacon/outer");
navcom1.unbind();
navcom2.unbind();
adf.unbind();
xponder.unbind();
}
@ -400,216 +279,9 @@ FGRadioStack::update(double dt)
Point3D aircraft = sgGeodToCart( Point3D( lon, lat, elev ) );
Point3D station;
double az1, az2, s;
////////////////////////////////////////////////////////////////////////
// Nav1.
////////////////////////////////////////////////////////////////////////
if ( nav1_valid ) {
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;
}
// 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;
} 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 ) {
nav1_radial = nav1_sel_radial;
}
} else {
nav1_inrange = false;
// 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" );
if ( sound != NULL ) {
sound->set_volume( nav1_vol_btn );
} else {
SG_LOG( SG_COCKPIT, SG_ALERT,
"Can't find nav1-vor-ident sound" );
}
sound = globals->get_soundmgr()->find( "nav1-dme-ident" );
if ( sound != NULL ) {
sound->set_volume( nav1_vol_btn );
} else {
SG_LOG( SG_COCKPIT, SG_ALERT,
"Can't find nav1-dme-ident sound" );
}
// cout << "nav1_last_time = " << nav1_last_time << " ";
// cout << "cur_time = " << globals->get_time_params()->get_cur_time();
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;
}
// cout << " nav1_play_count = " << nav1_play_count << endl;
// cout << "playing = "
// << globals->get_soundmgr()->is_playing("nav1-vor-ident")
// << endl;
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 ) {
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;
}
// 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;
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;
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;
}
if ( !nav2_loc ) {
nav2_radial = nav2_sel_radial;
}
} else {
nav2_inrange = false;
// cout << "not picking up vor. :-(" << endl;
}
#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" );
if ( sound != NULL ) {
sound->set_volume( nav2_vol_btn );
} else {
SG_LOG( SG_COCKPIT, SG_ALERT,
"Can't find nav2-vor-ident sound" );
}
sound = globals->get_soundmgr()->find( "nav2-dme-ident" );
if ( sound != NULL ) {
sound->set_volume( nav2_vol_btn );
} else {
SG_LOG( SG_COCKPIT, SG_ALERT,
"Can't find nav2-dme-ident sound" );
}
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
navcom1.update( dt );
navcom2.update( dt );
////////////////////////////////////////////////////////////////////////
// DME.
@ -712,13 +384,13 @@ void FGRadioStack::search()
dme_freq = 0;
dme_inrange = false;
} else if (dme_switch_pos == 1) {
if (dme_freq != nav1_freq) {
dme_freq = nav1_freq;
if (dme_freq != navcom1.get_nav_freq()) {
dme_freq = navcom1.get_nav_freq();
need_update = true;
}
} else if (dme_switch_pos == 3) {
if (dme_freq != nav2_freq) {
dme_freq = nav2_freq;
if (dme_freq != navcom2.get_nav_freq()) {
dme_freq = navcom2.get_nav_freq();
need_update = true;
}
}
@ -726,271 +398,8 @@ void FGRadioStack::search()
FGILS ils;
FGNav nav;
static string last_nav1_ident = "";
static string last_nav2_ident = "";
static bool last_nav1_vor = false;
static bool last_nav2_vor = false;
////////////////////////////////////////////////////////////////////////
// Nav1.
////////////////////////////////////////////////////////////////////////
if ( current_ilslist->query( lon, lat, elev, nav1_freq, &ils ) ) {
nav1_ident = ils.get_locident();
nav1_valid = true;
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;
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 );
if ( globals->get_soundmgr()->add( sound, "nav1-vor-ident" ) ) {
// cout << "Added nav1-vor-ident sound" << endl;
} else {
// cout << "Failed to add v1-vor-ident sound" << endl;
}
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
if ( ! globals->get_soundmgr()->remove( "nav1-vor-ident" ) ) {
// cout << "Failed to remove nav1-vor-ident sound" << endl;
}
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;
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;
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;
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;
}
navcom1.search();
navcom2.search();
////////////////////////////////////////////////////////////////////////
// DME
@ -1091,163 +500,8 @@ void FGRadioStack::search()
}
last_beacon = beacon_type;
navcom1.search();
navcom2.search();
adf.search();
xponder.search();
}
// 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;
}
}

229
src/Cockpit/radiostack.hxx
View file

@ -40,6 +40,7 @@
#include "kr_87.hxx" // ADF
#include "kt_70.hxx" // Transponder
#include "navcom.hxx"
class FGRadioStack : public FGSubsystem
{
@ -56,102 +57,6 @@ class FGRadioStack : public FGSubsystem
bool need_update;
string comm1_ident;
bool comm1_valid;
bool comm1_inrange;
double comm1_freq;
double comm1_alt_freq;
double comm1_vol_btn;
bool comm1_ident_btn;
double comm1_x;
double comm1_y;
double comm1_z;
double comm1_dist;
double comm1_elev;
double comm1_range;
double comm1_effective_range;
string comm2_ident;
bool comm2_valid;
bool comm2_inrange;
double comm2_freq;
double comm2_alt_freq;
double comm2_vol_btn;
bool comm2_ident_btn;
double comm2_x;
double comm2_y;
double comm2_z;
double comm2_dist;
double comm2_elev;
double comm2_range;
double comm2_effective_range;
string nav1_ident;
string nav1_trans_ident;
bool nav1_valid;
bool nav1_inrange;
bool nav1_has_dme;
bool nav1_has_gs;
bool nav1_loc;
double nav1_freq;
double nav1_alt_freq;
double nav1_radial;
double nav1_sel_radial;
double nav1_loclon;
double nav1_loclat;
double nav1_x;
double nav1_y;
double nav1_z;
double nav1_loc_dist;
double nav1_gslon;
double nav1_gslat;
double nav1_gs_x;
double nav1_gs_y;
double nav1_gs_z;
double nav1_gs_dist;
SGTimeStamp prev_time;
SGTimeStamp curr_time;
double nav1_elev;
double nav1_range;
double nav1_effective_range;
double nav1_heading;
double nav1_target_gs;
double nav1_magvar;
double nav1_vol_btn;
bool nav1_ident_btn;
string nav2_ident;
string nav2_trans_ident;
bool nav2_valid;
bool nav2_inrange;
bool nav2_has_dme;
bool nav2_has_gs;
bool nav2_loc;
double nav2_freq;
double nav2_alt_freq;
double nav2_radial;
double nav2_sel_radial;
double nav2_loclon;
double nav2_loclat;
double nav2_x;
double nav2_y;
double nav2_z;
double nav2_loc_dist;
double nav2_gslon;
double nav2_gslat;
double nav2_gs_x;
double nav2_gs_y;
double nav2_gs_z;
double nav2_gs_dist;
double nav2_elev;
double nav2_range;
double nav2_effective_range;
double nav2_heading;
double nav2_target_gs;
double nav2_magvar;
double nav2_vol_btn;
bool nav2_ident_btn;
bool dme_valid;
bool dme_inrange;
double dme_freq;
@ -180,6 +85,8 @@ class FGRadioStack : public FGSubsystem
FGKR_87 adf; // King KR 87 Digital ADF model
FGKT_70 xponder; // Bendix/King KT 70 Panel-Mounted Transponder
FGNavCom navcom1;
FGNavCom navcom2;
// model standard VOR/DME/TACAN service volumes as per AIM 1-1-8
double adjustNavRange( double stationElev, double aircraftElev,
@ -202,82 +109,14 @@ public:
// Update nav/adf radios based on current postition
void search ();
// COMM1 Setters
inline void set_comm1_freq( double freq ) {
comm1_freq = freq; need_update = true;
}
inline void set_comm1_alt_freq( double freq ) { comm1_alt_freq = freq; }
inline void set_comm1_vol_btn( double val ) {
if ( val < 0.0 ) val = 0.0;
if ( val > 1.0 ) val = 1.0;
comm1_vol_btn = val;
}
inline void set_comm1_ident_btn( bool val ) { comm1_ident_btn = val; }
// COMM2 Setters
inline void set_comm2_freq( double freq ) {
comm2_freq = freq; need_update = true;
}
inline void set_comm2_alt_freq( double freq ) { comm2_alt_freq = freq; }
inline void set_comm2_vol_btn( double val ) {
if ( val < 0.0 ) val = 0.0;
if ( val > 1.0 ) val = 1.0;
comm2_vol_btn = val;
}
inline void set_comm2_ident_btn( bool val ) { comm2_ident_btn = val; }
// NAV1 Setters
inline void set_nav1_freq( double freq ) {
nav1_freq = freq; need_update = true;
}
inline void set_nav1_alt_freq( double freq ) { nav1_alt_freq = freq; }
inline void set_nav1_sel_radial( double radial ) {
nav1_sel_radial = radial; need_update = true;
}
inline void set_nav1_vol_btn( double val ) {
if ( val < 0.0 ) val = 0.0;
if ( val > 1.0 ) val = 1.0;
nav1_vol_btn = val;
}
inline void set_nav1_ident_btn( bool val ) { nav1_ident_btn = val; }
// NAV2 Setters
inline void set_nav2_freq( double freq ) {
nav2_freq = freq; need_update = true;
}
inline void set_nav2_alt_freq( double freq ) { nav2_alt_freq = freq; }
inline void set_nav2_sel_radial( double radial ) {
nav2_sel_radial = radial; need_update = true;
}
inline void set_nav2_vol_btn( double val ) {
if ( val < 0.0 ) val = 0.0;
if ( val > 1.0 ) val = 1.0;
nav2_vol_btn = val;
}
inline void set_nav2_ident_btn( bool val ) { nav2_ident_btn = val; }
inline FGNavCom *get_navcom1() { return &navcom1; }
inline FGNavCom *get_navcom2() { return &navcom2; }
// DME Setters
inline void set_dme_freq (double freq) {
dme_freq = freq; need_update = true;
}
// COMM1 Accessors
inline double get_comm1_freq () const { return comm1_freq; }
inline double get_comm1_alt_freq () const { return comm1_alt_freq; }
// COMM2 Accessors
inline double get_comm2_freq () const { return comm2_freq; }
inline double get_comm2_alt_freq () const { return comm2_alt_freq; }
// NAV1 Accessors
inline double get_nav1_freq () const { return nav1_freq; }
inline double get_nav1_alt_freq () const { return nav1_alt_freq; }
inline double get_nav1_sel_radial() const { return nav1_sel_radial; }
// NAV2 Accessors
inline double get_nav2_freq () const { return nav2_freq; }
inline double get_nav2_alt_freq () const { return nav2_alt_freq; }
inline double get_nav2_sel_radial() const { return nav2_sel_radial; }
// DME Accessors
inline double get_dme_freq () const { return dme_freq; }
@ -288,64 +127,6 @@ public:
inline bool get_outer_blink () const { return outer_blink; }
// Calculated values.
inline bool get_comm1_inrange() const { return comm1_inrange; }
inline double get_comm1_vol_btn() const { return comm1_vol_btn; }
inline bool get_comm1_ident_btn() const { return comm1_ident_btn; }
inline bool get_comm2_inrange() const { return comm2_inrange; }
inline double get_comm2_vol_btn() const { return comm2_vol_btn; }
inline bool get_comm2_ident_btn() const { return comm2_ident_btn; }
inline bool get_nav1_inrange() const { return nav1_inrange; }
bool get_nav1_to_flag () const;
bool get_nav1_from_flag () const;
inline bool get_nav1_has_dme() const { return nav1_has_dme; }
inline bool get_nav1_dme_inrange () const {
return nav1_inrange && nav1_has_dme;
}
inline bool get_nav1_has_gs() const { return nav1_has_gs; }
inline bool get_nav1_loc() const { return nav1_loc; }
inline double get_nav1_loclon() const { return nav1_loclon; }
inline double get_nav1_loclat() const { return nav1_loclat; }
inline double get_nav1_loc_dist() const { return nav1_loc_dist; }
inline double get_nav1_gslon() const { return nav1_gslon; }
inline double get_nav1_gslat() const { return nav1_gslat; }
inline double get_nav1_gs_dist() const { return nav1_gs_dist; }
inline double get_nav1_elev() const { return nav1_elev; }
inline double get_nav1_heading() const { return nav1_heading; }
inline double get_nav1_radial() const { return nav1_radial; }
inline double get_nav1_target_gs() const { return nav1_target_gs; }
inline double get_nav1_magvar() const { return nav1_magvar; }
double get_nav1_heading_needle_deflection() const;
double get_nav1_gs_needle_deflection() const;
inline double get_nav1_vol_btn() const { return nav1_vol_btn; }
inline bool get_nav1_ident_btn() const { return nav1_ident_btn; }
inline bool get_nav2_inrange() const { return nav2_inrange; }
bool get_nav2_to_flag () const;
bool get_nav2_from_flag () const;
inline bool get_nav2_has_dme() const { return nav2_has_dme; }
inline bool get_nav2_dme_inrange () const {
return nav2_inrange && nav2_has_dme;
}
inline bool get_nav2_has_gs() const { return nav2_has_gs; }
inline bool get_nav2_loc() const { return nav2_loc; }
inline double get_nav2_loclon() const { return nav2_loclon; }
inline double get_nav2_loclat() const { return nav2_loclat; }
inline double get_nav2_loc_dist() const { return nav2_loc_dist; }
inline double get_nav2_gslon() const { return nav2_gslon; }
inline double get_nav2_gslat() const { return nav2_gslat; }
inline double get_nav2_gs_dist() const { return nav2_gs_dist; }
inline double get_nav2_elev() const { return nav2_elev; }
inline double get_nav2_heading() const { return nav2_heading; }
inline double get_nav2_radial() const { return nav2_radial; }
inline double get_nav2_target_gs() const { return nav2_target_gs; }
inline double get_nav2_magvar() const { return nav2_magvar; }
double get_nav2_heading_needle_deflection() const;
double get_nav2_gs_needle_deflection() const;
inline double get_nav2_vol_btn() const { return nav2_vol_btn; }
inline bool get_nav2_ident_btn() const { return nav2_ident_btn; }
inline bool get_dme_inrange () const { return dme_inrange; }
inline double get_dme_dist () const { return dme_dist; }
inline double get_dme_spd () const { return dme_spd; }

4
src/Cockpit/steam.cxx
View file

@ -494,12 +494,12 @@ void FGSteam::_CatchUp()
double FGSteam::get_HackOBS1_deg () const
{
return current_radiostack->get_nav1_radial();
return current_radiostack->get_navcom1()->get_nav_radial();
}
double FGSteam::get_HackOBS2_deg () const
{
return current_radiostack->get_nav2_radial();
return current_radiostack->get_navcom2()->get_nav_radial();
}