X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FInstrumentation%2Fadf.cxx;h=62302c92bd97b2d4a5416c4ee7c09b6fed91eb51;hb=6b9aa0fb970e90aaf8d6800b77b3abe84ae9906d;hp=5ac1c31076fb43e4ab46a5faeed3cd5a63054d68;hpb=d50aa8999d15dfe07133bdd2f17b366e3bcf9263;p=flightgear.git diff --git a/src/Instrumentation/adf.cxx b/src/Instrumentation/adf.cxx index 5ac1c3107..62302c92b 100644 --- a/src/Instrumentation/adf.cxx +++ b/src/Instrumentation/adf.cxx @@ -18,12 +18,13 @@ #include "adf.hxx" #include - +#include #include #include #include +using std::string; // Use a bigger number to be more responsive, or a smaller number // to be more sluggish. @@ -85,30 +86,33 @@ ADF::init () { string branch; branch = "/instrumentation/" + _name; - 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); - _heading_node = fgGetNode("/orientation/heading-deg", true); - _serviceable_node = node->getChild("serviceable", 0, true); - _error_node = node->getChild("error-deg", 0, true); - _electrical_node = fgGetNode("/systems/electrical/outputs/adf", true); - branch = branch + "/frequencies"; - SGPropertyNode *fnode = node->getChild("frequencies", 0, true); - _frequency_node = fnode->getChild("selected-khz", 0, true); - _mode_node = node->getChild("mode", 0, true); - _volume_node = node->getChild("volume-norm", 0, true); - _in_range_node = node->getChild("in-range", 0, true); - _bearing_node = node->getChild("indicated-bearing-deg", 0, true); - _ident_node = node->getChild("ident", 0, true); + + // instrument properties + _error_node = node->getChild("error-deg", 0, true); + _mode_node = node->getChild("mode", 0, true); + _volume_node = node->getChild("volume-norm", 0, true); + _in_range_node = node->getChild("in-range", 0, true); + _bearing_node = node->getChild("indicated-bearing-deg", 0, true); + _ident_node = node->getChild("ident", 0, true); _ident_audible_node = node->getChild("ident-audible", 0, true); - _power_btn_node = node->getChild("power-btn", 0, true); + _serviceable_node = node->getChild("serviceable", 0, true); + _power_btn_node = node->getChild("power-btn", 0, true); _operable_node = node->getChild("operable", 0, true); + // frequency properties + SGPropertyNode *fnode = node->getChild("frequencies", 0, true); + _frequency_node = fnode->getChild("selected-khz", 0, true); + + // foreign simulator properties + _electrical_node = fgGetNode("/systems/electrical/outputs/adf", true); + _heading_node = fgGetNode("/orientation/heading-deg", true); + + // backward compatibility check if (_power_btn_node->getType() == simgear::props::NONE) _power_btn_node->setBoolValue(true); // front end didn't implement a power button + // sound support (audible ident code) SGSoundMgr *smgr = globals->get_soundmgr(); _sgr = smgr->find("avionics", true); _sgr->tie_to_listener(); @@ -132,6 +136,7 @@ ADF::update (double delta_time_sec) } _operable_node->setBoolValue(true); + string mode = _mode_node->getStringValue(); if (mode == "ant" || mode == "test") set_bearing(delta_time_sec, 90); if (mode != "bfo" && mode != "adf") { @@ -146,18 +151,12 @@ ADF::update (double delta_time_sec) _last_frequency_khz = frequency_khz; } - // Get the aircraft position - double longitude_deg = _longitude_node->getDoubleValue(); - double latitude_deg = _latitude_node->getDoubleValue(); - double altitude_m = _altitude_node->getDoubleValue(); - - double longitude_rad = longitude_deg * SGD_DEGREES_TO_RADIANS; - double latitude_rad = latitude_deg * SGD_DEGREES_TO_RADIANS; - + SGGeod acPos(globals->get_aircraft_position()); + // On timeout, scan again _time_before_search_sec -= delta_time_sec; if (_time_before_search_sec < 0) - search(frequency_khz, longitude_rad, latitude_rad, altitude_m); + search(frequency_khz, acPos); if (!_transmitter_valid) { _in_range_node->setBoolValue(false); @@ -166,12 +165,11 @@ ADF::update (double delta_time_sec) } // Calculate the bearing to the transmitter - SGGeod geod = SGGeod::fromRadM(longitude_rad, latitude_rad, altitude_m); - SGVec3d location = SGVec3d::fromGeod(geod); + SGVec3d location = globals->get_aircraft_position_cart(); 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, + acPos.getElevationFt(), _transmitter_range_nm); if (distance_nm <= range_nm) { @@ -179,9 +177,10 @@ ADF::update (double delta_time_sec) double bearing, az2, s; double heading = _heading_node->getDoubleValue(); - geo_inverse_wgs_84(geod, _transmitter_pos, + geo_inverse_wgs_84(acPos, _transmitter_pos, &bearing, &az2, &s); _in_range_node->setBoolValue(true); + _ident_node->setStringValue(_last_ident); bearing -= heading; if (bearing < 0) @@ -226,16 +225,14 @@ ADF::update (double delta_time_sec) } void -ADF::search (double frequency_khz, double longitude_rad, - double latitude_rad, double altitude_m) +ADF::search (double frequency_khz, const SGGeod& pos) { string ident = ""; // reset search time _time_before_search_sec = 1.0; - // try the ILS list first - FGNavRecord *nav = globals->get_navlist()->findByFreq(frequency_khz, - SGGeod::fromRadM(longitude_rad, latitude_rad, altitude_m)); + FGNavList::TypeFilter filter(FGPositioned::NDB); + FGNavRecord *nav = FGNavList::findByFreq(frequency_khz, pos, &filter); _transmitter_valid = (nav != NULL); if ( _transmitter_valid ) {