X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FInstrumentation%2Ftacan.cxx;h=01319ec04020d8c54ecf6776bcb6cc55f12240b6;hb=e89df85817619290067d20391817b831356c4532;hp=e00ac4f1a98ae8158f1d525e9fd2fc6041f80c4e;hpb=845323eaddb34b234a19948a726d7e05bf22a732;p=flightgear.git diff --git a/src/Instrumentation/tacan.cxx b/src/Instrumentation/tacan.cxx old mode 100755 new mode 100644 index e00ac4f1a..01319ec04 --- a/src/Instrumentation/tacan.cxx +++ b/src/Instrumentation/tacan.cxx @@ -18,7 +18,7 @@ #include "tacan.hxx" using std::vector; - +using std::string; /** * Adjust the range. @@ -58,8 +58,6 @@ TACAN::TACAN ( SGPropertyNode *node ) : _transmitter_pos(SGGeod::fromDeg(0, 0)), _transmitter_range_nm(0), _transmitter_bias(0.0), - _mobile_lat(0.0), - _mobile_lon(0.0), _listener_active(0) { } @@ -116,17 +114,23 @@ TACAN::init () SGPropertyNode *mnode = fgGetNode("/ai/models/multiplayer", _num, false); _mp_callsign_node = mnode ? mnode->getChild("callsign", 0, false) : 0; - _longitude_node = fgGetNode("/position/longitude-deg", true); - _latitude_node = fgGetNode("/position/latitude-deg", true); - _altitude_node = fgGetNode("/position/altitude-ft", true); _heading_node = fgGetNode("/orientation/heading-deg", true); _yaw_node = fgGetNode("/orientation/side-slip-deg", true); _electrical_node = fgGetNode("/systems/electrical/outputs/tacan", true); } +void +TACAN::reinit () +{ + _time_before_search_sec = 0; +} + void TACAN::update (double delta_time_sec) { + // don't do anything when paused + if (delta_time_sec == 0) return; + if (!_serviceable_node->getBoolValue() || !_electrical_node->getBoolValue()) { _last_distance_nm = 0; _in_range_node->setBoolValue(false); @@ -137,17 +141,11 @@ TACAN::update (double delta_time_sec) return; } - // Get the aircraft position - double longitude_deg = _longitude_node->getDoubleValue(); - double latitude_deg = _latitude_node->getDoubleValue(); - double altitude_m = _altitude_node->getDoubleValue() * SG_FEET_TO_METER; - double longitude_rad = longitude_deg * SGD_DEGREES_TO_RADIANS; - double latitude_rad = latitude_deg * SGD_DEGREES_TO_RADIANS; - + SGGeod pos(globals->get_aircraft_position()); // On timeout, scan again _time_before_search_sec -= delta_time_sec; if ((_time_before_search_sec < 0 || _new_frequency) && _frequency_mhz >= 0) - search(_frequency_mhz, longitude_rad, latitude_rad, altitude_m); + search(_frequency_mhz, pos); // Calculate the distance to the transmitter @@ -156,15 +154,9 @@ TACAN::update (double delta_time_sec) double mobile_bearing = 0; double mobile_distance = 0; - SG_LOG( SG_INSTR, SG_DEBUG, "mobile_lat " << _mobile_lat); - SG_LOG( SG_INSTR, SG_DEBUG, "mobile_lon " << _mobile_lon); SG_LOG( SG_INSTR, SG_DEBUG, "mobile_name " << _mobile_name); SG_LOG( SG_INSTR, SG_DEBUG, "mobile_valid " << _mobile_valid); - geo_inverse_wgs_84(altitude_m, - latitude_deg, - longitude_deg, - _mobile_lat, - _mobile_lon, + geo_inverse_wgs_84(pos, _mobilePos, &mobile_bearing, &mobile_az2, &mobile_distance); @@ -173,7 +165,6 @@ TACAN::update (double delta_time_sec) double bearing = 0; double distance = 0; - SGGeod pos = SGGeod::fromDegM(longitude_deg, latitude_deg, altitude_m); geo_inverse_wgs_84(pos, _transmitter_pos, &bearing, &az2, &distance); @@ -184,7 +175,7 @@ TACAN::update (double delta_time_sec) SG_LOG( SG_INSTR, SG_DEBUG, "distance_m " << distance); bearing = mobile_bearing; distance = mobile_distance; - _transmitter_pos.setElevationFt(_mobile_elevation_ft); + _transmitter_pos.setElevationFt(_mobilePos.getElevationFt()); _transmitter_range_nm = _mobile_range_nm; _transmitter_bias = _mobile_bias; _transmitter_name = _mobile_name; @@ -222,7 +213,7 @@ TACAN::update (double delta_time_sec) double rotation = 0; double range_nm = adjust_range(_transmitter_pos.getElevationFt(), - altitude_m * SG_METER_TO_FEET, + pos.getElevationFt(), _transmitter_range_nm); if (distance_nm <= range_nm) { @@ -237,7 +228,7 @@ TACAN::update (double delta_time_sec) } _distance_node->setDoubleValue( tmp_dist ); _speed_node->setDoubleValue(speed_kt); - _time_node->setDoubleValue(distance_nm/speed_kt*60.0); + _time_node->setDoubleValue(speed_kt > 0 ? (distance_nm/speed_kt*60.0) : 0); _bearing_node->setDoubleValue(bearing); _x_shift_node->setDoubleValue(x_shift); _y_shift_node->setDoubleValue(y_shift); @@ -274,8 +265,7 @@ TACAN::update (double delta_time_sec) } // end function update void -TACAN::search (double frequency_mhz, double longitude_rad, - double latitude_rad, double altitude_m) +TACAN::search (double frequency_mhz,const SGGeod& pos) { int number, i; _mobile_valid = false; @@ -286,8 +276,7 @@ TACAN::search (double frequency_mhz, double longitude_rad, _time_before_search_sec = 1.0; //try any carriers first - FGNavRecord *mobile_tacan - = globals->get_carrierlist()->findStationByFreq( frequency_mhz ); + FGNavRecord *mobile_tacan = FGNavList::findByFreq( frequency_mhz, FGNavList::carrierFilter() ); bool freq_valid = (mobile_tacan != NULL); SG_LOG( SG_INSTR, SG_DEBUG, "mobile freqency valid " << freq_valid ); @@ -309,9 +298,10 @@ TACAN::search (double frequency_mhz, double longitude_rad, string::size_type loc1= str1.find( str2, 0 ); if ( loc1 != string::npos && str2 != "" ) { SG_LOG( SG_INSTR, SG_DEBUG, " string found" ); - _mobile_lat = carrier[i]->getDoubleValue("position/latitude-deg"); - _mobile_lon = carrier[i]->getDoubleValue("position/longitude-deg"); - _mobile_elevation_ft = mobile_tacan->get_elev_ft(); + _mobilePos = SGGeod::fromDegFt( + carrier[i]->getDoubleValue("position/longitude-deg"), + carrier[i]->getDoubleValue("position/latitude-deg"), + mobile_tacan->get_elev_ft()); _mobile_range_nm = mobile_tacan->get_range(); _mobile_bias = mobile_tacan->get_multiuse(); _mobile_name = mobile_tacan->name(); @@ -345,9 +335,12 @@ TACAN::search (double frequency_mhz, double longitude_rad, string::size_type loc1= str1.find( str4, 0 ); if ( loc1 != string::npos && str4 != "" ) { SG_LOG( SG_INSTR, SG_DEBUG, " string found" ); - _mobile_lat = tanker[i]->getDoubleValue("position/latitude-deg"); - _mobile_lon = tanker[i]->getDoubleValue("position/longitude-deg"); - _mobile_elevation_ft = tanker[i]->getDoubleValue("position/altitude-ft"); + _mobilePos = SGGeod::fromDegFt( + tanker[i]->getDoubleValue("position/longitude-deg"), + tanker[i]->getDoubleValue("position/latitude-deg"), + tanker[i]->getDoubleValue("position/altitude-ft")); + + _mobile_range_nm = mobile_tacan->get_range(); _mobile_bias = mobile_tacan->get_multiuse(); _mobile_name = mobile_tacan->name(); @@ -383,9 +376,12 @@ TACAN::search (double frequency_mhz, double longitude_rad, string::size_type loc1= str1.find( str6, 0 ); if ( loc1 != string::npos && str6 != "" ) { SG_LOG( SG_INSTR, SG_DEBUG, " string found" ); - _mobile_lat = mp_tanker[i]->getDoubleValue("position/latitude-deg"); - _mobile_lon = mp_tanker[i]->getDoubleValue("position/longitude-deg"); - _mobile_elevation_ft = mp_tanker[i]->getDoubleValue("position/altitude-ft"); + _mobilePos = SGGeod::fromDegFt( + mp_tanker[i]->getDoubleValue("position/longitude-deg"), + mp_tanker[i]->getDoubleValue("position/latitude-deg"), + mp_tanker[i]->getDoubleValue("position/altitude-ft")); + + _mobile_range_nm = mobile_tacan->get_range(); _mobile_bias = mobile_tacan->get_multiuse(); _mobile_name = mobile_tacan->name(); @@ -394,8 +390,6 @@ TACAN::search (double frequency_mhz, double longitude_rad, SG_LOG( SG_INSTR, SG_DEBUG, " mp tanker transmitter valid " << _mobile_valid ); SG_LOG( SG_INSTR, SG_DEBUG, " mp tanker name " << _mobile_name); - SG_LOG( SG_INSTR, SG_DEBUG, " mp lat " << _mobile_lat << "lon " << _mobile_lon); - SG_LOG( SG_INSTR, SG_DEBUG, " mp elev " << _mobile_elevation_ft); SG_LOG( SG_INSTR, SG_DEBUG, " mp range " << _mobile_range_nm); break; } else { @@ -411,8 +405,7 @@ TACAN::search (double frequency_mhz, double longitude_rad, } // try the TACAN/VORTAC list next - FGNavRecord *tacan = globals->get_tacanlist()->findByFreq( frequency_mhz, - SGGeod::fromRadM(longitude_rad, latitude_rad, altitude_m)); + FGNavRecord *tacan = FGNavList::findByFreq( frequency_mhz, pos, FGNavList::tacanFilter() ); _transmitter_valid = (tacan != NULL);