//
// This file is in the Public Domain and comes with no warranty.
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
#include <simgear/compiler.h>
#include <simgear/math/sg_geodesy.hxx>
#include <simgear/math/sg_random.h>
-#include <simgear/sg_inlines.h>
+#include <simgear/timing/sg_time.hxx>
#include <Main/fg_props.hxx>
#include <Main/util.hxx>
ADF::ADF (SGPropertyNode *node )
:
+ _name(node->getStringValue("name", "adf")),
+ _num(node->getIntValue("number", 0)),
_time_before_search_sec(0),
_last_frequency_khz(-1),
_transmitter_valid(false),
- _transmitter_elevation_ft(0),
+ _transmitter_pos(SGGeod::fromDeg(0, 0)),
+ _transmitter_cart(0, 0, 0),
_transmitter_range_nm(0),
_ident_count(0),
_last_ident_time(0),
- _last_volume(-1),
- name("adf"),
- num(0)
-{
- int i;
- for ( i = 0; i < node->nChildren(); ++i ) {
- SGPropertyNode *child = node->getChild(i);
- string cname = child->getName();
- string cval = child->getStringValue();
- if ( cname == "name" ) {
- name = cval;
- } else if ( cname == "number" ) {
- num = child->getIntValue();
- } else {
- SG_LOG( SG_INSTR, SG_WARN, "Error in adf config logic" );
- if ( name.length() ) {
- SG_LOG( SG_INSTR, SG_WARN, "Section = " << name );
- }
- }
- }
-}
-
-
-ADF::ADF ()
- : _time_before_search_sec(0),
- _last_frequency_khz(-1),
- _transmitter_valid(false),
- _transmitter_elevation_ft(0),
- _transmitter_range_nm(0),
- _ident_count(0),
- _last_ident_time(0),
- _last_volume(-1),
- name("adf"),
- num(0)
+ _last_volume(-1)
{
}
ADF::init ()
{
string branch;
- branch = "/instrumentation/" + name;
+ branch = "/instrumentation/" + _name;
- SGPropertyNode *node = fgGetNode(branch.c_str(), num, true );
+ SGPropertyNode *node = fgGetNode(branch.c_str(), _num, true );
_longitude_node = fgGetNode("/position/longitude-deg", true);
_latitude_node = fgGetNode("/position/latitude-deg", true);
_altitude_node = fgGetNode("/position/altitude-ft", true);
morse.init();
std::ostringstream temp;
- temp << name << num;
- adf_ident = temp.str();
-
- _serviceable_node->setBoolValue(true);
+ temp << _name << _num;
+ _adf_ident = temp.str();
}
void
ADF::update (double delta_time_sec)
{
// If it's off, don't waste any time.
- if (!_electrical_node->getBoolValue() ||
- !_serviceable_node->getBoolValue()) {
+ if (_electrical_node->getDoubleValue() < 1.0
+ || !_serviceable_node->getBoolValue()) {
set_bearing(delta_time_sec, 90);
_ident_node->setStringValue("");
return;
}
// Calculate the bearing to the transmitter
- Point3D location =
- sgGeodToCart(Point3D(longitude_rad, latitude_rad, altitude_m));
-
- double distance_nm = _transmitter.distance3D(location) * SG_METER_TO_NM;
- double range_nm = adjust_range(_transmitter_elevation_ft,
+ SGGeod geod = SGGeod::fromRadM(longitude_rad, latitude_rad, altitude_m);
+ SGVec3d location = SGVec3d::fromGeod(geod);
+
+ double distance_nm = dist(_transmitter_cart, location) * SG_METER_TO_NM;
+ double range_nm = adjust_range(_transmitter_pos.getElevationFt(),
altitude_m * SG_METER_TO_FEET,
_transmitter_range_nm);
if (distance_nm <= range_nm) {
double bearing, az2, s;
double heading = _heading_node->getDoubleValue();
- geo_inverse_wgs_84(altitude_m,
- latitude_deg,
- longitude_deg,
- _transmitter_lat_deg,
- _transmitter_lon_deg,
+ geo_inverse_wgs_84(geod, _transmitter_pos,
&bearing, &az2, &s);
_in_range_node->setBoolValue(true);
bearing -= heading;
- SG_NORMALIZE_RANGE(bearing, 0.0, 360.0);
+ if (bearing < 0)
+ bearing += 360;
set_bearing(delta_time_sec, bearing);
// adf ident sound
_last_volume = volume;
SGSoundSample *sound;
- sound = globals->get_soundmgr()->find( adf_ident );
+ sound = globals->get_soundmgr()->find( _adf_ident );
if ( sound != NULL )
sound->set_volume( volume );
else
}
if ( _ident_count < 4 ) {
- if ( !globals->get_soundmgr()->is_playing(adf_ident) ) {
- globals->get_soundmgr()->play_once( adf_ident );
+ if ( !globals->get_soundmgr()->is_playing(_adf_ident) ) {
+ globals->get_soundmgr()->play_once( _adf_ident );
++_ident_count;
}
}
_in_range_node->setBoolValue(false);
set_bearing(delta_time_sec, 90);
_ident_node->setStringValue("");
- globals->get_soundmgr()->stop( adf_ident );
+ globals->get_soundmgr()->stop( _adf_ident );
}
}
_time_before_search_sec = 1.0;
// try the ILS list first
- FGNavRecord *nav =
- globals->get_navlist()->findByFreq(frequency_khz, longitude_rad,
- latitude_rad, altitude_m);
+ FGNavRecord *nav = globals->get_navlist()->findByFreq(frequency_khz,
+ SGGeod::fromRadM(longitude_rad, latitude_rad, altitude_m));
_transmitter_valid = (nav != NULL);
if ( _transmitter_valid ) {
ident = nav->get_trans_ident();
if ( ident != _last_ident ) {
- _transmitter_lon_deg = nav->get_lon();
- _transmitter_lat_deg = nav->get_lat();
- _transmitter = Point3D(nav->get_x(), nav->get_y(), nav->get_z());
- _transmitter_elevation_ft = nav->get_elev_ft();
+ _transmitter_pos = nav->geod();
+ _transmitter_cart = nav->cart();
_transmitter_range_nm = nav->get_range();
}
}
_last_ident = ident;
_ident_node->setStringValue(ident.c_str());
- if ( globals->get_soundmgr()->exists( adf_ident ) ) {
+ if ( globals->get_soundmgr()->exists( _adf_ident ) ) {
// stop is required! -- remove alone wouldn't stop immediately
- globals->get_soundmgr()->stop( adf_ident );
- globals->get_soundmgr()->remove( adf_ident );
+ globals->get_soundmgr()->stop( _adf_ident );
+ globals->get_soundmgr()->remove( _adf_ident );
}
SGSoundSample *sound;
sound = morse.make_ident( ident, LO_FREQUENCY );
sound->set_volume(_last_volume = 0);
- globals->get_soundmgr()->add( sound, adf_ident );
+ globals->get_soundmgr()->add( sound, _adf_ident );
int offset = (int)(sg_random() * 30.0);
_ident_count = offset / 4;
{
double old_bearing_deg = _bearing_node->getDoubleValue();
- SG_NORMALIZE_RANGE(old_bearing_deg, 0.0, 360.0);
+ while ((bearing_deg - old_bearing_deg) >= 180)
+ old_bearing_deg += 360;
+ while ((bearing_deg - old_bearing_deg) <= -180)
+ old_bearing_deg -= 360;
bearing_deg += _error_node->getDoubleValue();
bearing_deg =
fgGetLowPass(old_bearing_deg, bearing_deg, dt * RESPONSIVENESS);
projects / flightgear.git / blobdiff