//
// 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.
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
#include <simgear/compiler.h>
#include <simgear/math/sg_random.h>
+#include <simgear/math/sg_geodesy.hxx>
+#include <simgear/timing/sg_time.hxx>
#include <Aircraft/aircraft.hxx>
#include <Navaids/navlist.hxx>
#include "kr_87.hxx"
#include <string>
-SG_USING_STD(string);
+using std::string;
static int play_count = 0;
static time_t last_time = 0;
flight_timer(0.0),
elapsed_timer(0.0),
tmp_timer(0.0),
- _time_before_search_sec(0)
+ _time_before_search_sec(0),
+ _sgr(NULL)
{
}
void FGKR_87::init () {
+ SGSoundMgr *smgr = globals->get_soundmgr();
+ _sgr = smgr->find("avionics", true);
+ _sgr->tie_to_listener();
morse.init();
}
// Update the various nav values based on position and valid tuned in navs
void FGKR_87::update( double dt_sec ) {
- double acft_lon = lon_node->getDoubleValue() * SGD_DEGREES_TO_RADIANS;
- double acft_lat = lat_node->getDoubleValue() * SGD_DEGREES_TO_RADIANS;
- double acft_elev = alt_node->getDoubleValue() * SG_FEET_TO_METER;
+ SGGeod acft = SGGeod::fromDegFt(lon_node->getDoubleValue(),
+ lat_node->getDoubleValue(),
+ alt_node->getDoubleValue());
need_update = false;
- Point3D aircraft = sgGeodToCart( Point3D( acft_lon, acft_lat, acft_elev ) );
- Point3D station;
double az1, az2, s;
// On timeout, scan again
if ( valid ) {
// cout << "adf is valid" << endl;
// staightline distance
- station = Point3D( x, y, z );
- dist = aircraft.distance3D( station );
+ // What a hack, dist is a class local variable
+ dist = sqrt(distSqr(SGVec3d::fromGeod(acft), xyz));
// wgs84 heading
- geo_inverse_wgs_84( acft_elev,
- acft_lat * SGD_RADIANS_TO_DEGREES,
- acft_lon * SGD_RADIANS_TO_DEGREES,
- stn_lat, stn_lon,
+ geo_inverse_wgs_84( acft, SGGeod::fromDeg(stn_lon, stn_lat),
&az1, &az2, &s );
heading = az1;
// cout << " heading = " << heading
// << " dist = " << dist << endl;
- effective_range = kludgeRange(stn_elev, acft_elev, range);
+ effective_range = kludgeRange(stn_elev, acft.getElevationFt(), range);
if ( dist < effective_range * SG_NM_TO_METER ) {
inrange = true;
} else if ( dist < 2 * effective_range * SG_NM_TO_METER ) {
// otherwise turn it off
if ( vol_btn >= 0.01 && audio_btn ) {
SGSoundSample *sound;
- sound = globals->get_soundmgr()->find( "adf-ident" );
+ sound = _sgr->find( "adf-ident" );
if ( sound != NULL ) {
if ( !adf_btn ) {
sound->set_volume( vol_btn );
}
if ( play_count < 4 ) {
// play ADF ident
- if ( !globals->get_soundmgr()->is_playing("adf-ident") ) {
- globals->get_soundmgr()->play_once( "adf-ident" );
+ if ( !_sgr->is_playing("adf-ident") && (vol_btn > 0.05) ) {
+ _sgr->play_once( "adf-ident" );
++play_count;
}
}
} else {
- globals->get_soundmgr()->stop( "adf-ident" );
+ _sgr->stop( "adf-ident" );
}
}
}
// Update current nav/adf radio stations based on current postition
void FGKR_87::search() {
- double acft_lon = lon_node->getDoubleValue() * SGD_DEGREES_TO_RADIANS;
- double acft_lat = lat_node->getDoubleValue() * SGD_DEGREES_TO_RADIANS;
- double acft_elev = alt_node->getDoubleValue() * SG_FEET_TO_METER;
-
+ SGGeod pos = SGGeod::fromDegFt(lon_node->getDoubleValue(),
+ lat_node->getDoubleValue(), alt_node->getDoubleValue());
+
// FIXME: the panel should handle this
static string last_ident = "";
// ADF.
////////////////////////////////////////////////////////////////////////
- FGNavRecord *adf
- = globals->get_navlist()->findByFreq( freq, acft_lon, acft_lat,
- acft_elev );
+
+ FGNavRecord *adf = globals->get_navlist()->findByFreq( freq, pos);
if ( adf != NULL ) {
char sfreq[128];
snprintf( sfreq, 10, "%d", freq );
stn_lat = adf->get_lat();
stn_elev = adf->get_elev_ft();
range = adf->get_range();
- effective_range = kludgeRange(stn_elev, acft_elev, range);
- x = adf->get_x();
- y = adf->get_y();
- z = adf->get_z();
+ effective_range = kludgeRange(stn_elev, pos.getElevationM(), range);
+ xyz = adf->cart();
- if ( globals->get_soundmgr()->exists( "adf-ident" ) ) {
- globals->get_soundmgr()->remove( "adf-ident" );
+ if ( _sgr->exists( "adf-ident" ) ) {
+ _sgr->remove( "adf-ident" );
}
SGSoundSample *sound;
sound = morse.make_ident( trans_ident, LO_FREQUENCY );
sound->set_volume( 0.3 );
- globals->get_soundmgr()->add( sound, "adf-ident" );
+ _sgr->add( sound, "adf-ident" );
int offset = (int)(sg_random() * 30.0);
play_count = offset / 4;
valid = false;
ident = "";
trans_ident = "";
- globals->get_soundmgr()->remove( "adf-ident" );
+ _sgr->remove( "adf-ident" );
last_ident = "";
// cout << "not picking up adf. :-(" << endl;
}