X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FAirports%2Fsimple.cxx;h=9df1cb254723f3ffd530f9430b6f2ead28caded5;hb=348ff2ec23298db4db3b3f2b12d301dec73ec8e1;hp=02d7025b8c62c8c1ecd45270efed823d63ad7528;hpb=9bb896dd20341fe1cd003dec9733bb5bd19807df;p=flightgear.git diff --git a/src/Airports/simple.cxx b/src/Airports/simple.cxx index 02d7025b8..9df1cb254 100644 --- a/src/Airports/simple.cxx +++ b/src/Airports/simple.cxx @@ -30,8 +30,11 @@ #include "simple.hxx" +#include + #include #include +#include #include #include @@ -39,8 +42,16 @@ #include #include
#include +#include #include #include +#include +#include +#include +#include + +using std::vector; +using namespace flightgear; // magic import of a helper which uses FGPositioned internals extern char** searchAirportNamesAndIdents(const std::string& aFilter); @@ -55,8 +66,11 @@ FGAirport::FGAirport(const string &id, const SGGeod& location, const SGGeod& tow _tower_location(tower_location), _name(name), _has_metar(has_metar), - _dynamics(0) + _dynamics(0), + mRunwaysLoaded(false), + mTaxiwaysLoaded(true) { + init(true); // init FGPositioned } @@ -82,27 +96,31 @@ bool FGAirport::isHeliport() const FGAirportDynamics * FGAirport::getDynamics() { - if (_dynamics != 0) { + if (_dynamics) { return _dynamics; - } else { - //cerr << "Trying to load dynamics for " << _id << endl; - _dynamics = new FGAirportDynamics(this); - XMLLoader::load(_dynamics); - - FGRunwayPreference rwyPrefs(this); - XMLLoader::load(&rwyPrefs); - _dynamics->setRwyUse(rwyPrefs); - } + } + + _dynamics = new FGAirportDynamics(this); + XMLLoader::load(_dynamics); + + FGRunwayPreference rwyPrefs(this); + XMLLoader::load(&rwyPrefs); + _dynamics->setRwyUse(rwyPrefs); + XMLLoader::load(_dynamics->getSIDs()); + return _dynamics; } unsigned int FGAirport::numRunways() const { + loadRunways(); return mRunways.size(); } FGRunway* FGAirport::getRunwayByIndex(unsigned int aIndex) const { + loadRunways(); + assert(aIndex >= 0 && aIndex < mRunways.size()); return mRunways[aIndex]; } @@ -126,6 +144,11 @@ FGRunway* FGAirport::getRunwayByIdent(const string& aIdent) const FGAirport::Runway_iterator FGAirport::getIteratorForRunwayIdent(const string& aIdent) const { + if (aIdent.empty()) + return mRunways.end(); + + loadRunways(); + string ident(aIdent); if ((aIdent.size() == 1) || !isdigit(aIdent[1])) { ident = "0" + aIdent; @@ -143,6 +166,8 @@ FGAirport::getIteratorForRunwayIdent(const string& aIdent) const FGRunway* FGAirport::findBestRunwayForHeading(double aHeading) const { + loadRunways(); + Runway_iterator it = mRunways.begin(); FGRunway* result = NULL; double currentBestQuality = 0.0; @@ -170,8 +195,34 @@ FGRunway* FGAirport::findBestRunwayForHeading(double aHeading) const return result; } +FGRunway* FGAirport::findBestRunwayForPos(const SGGeod& aPos) const +{ + loadRunways(); + + Runway_iterator it = mRunways.begin(); + FGRunway* result = NULL; + double currentLowestDev = 180.0; + + for (; it != mRunways.end(); ++it) { + double inboundCourse = SGGeodesy::courseDeg(aPos, (*it)->end()); + double dev = inboundCourse - (*it)->headingDeg(); + SG_NORMALIZE_RANGE(dev, -180.0, 180.0); + + dev = fabs(dev); + if (dev < currentLowestDev) { // new best match + currentLowestDev = dev; + result = *it; + } + } // of runway iteration + + return result; + +} + bool FGAirport::hasHardRunwayOfLengthFt(double aLengthFt) const { + loadRunways(); + unsigned int numRunways(mRunways.size()); for (unsigned int r=0; r= 0 && aIndex < mTaxiways.size()); return mTaxiways[aIndex]; } +unsigned int FGAirport::numPavements() const +{ + loadTaxiways(); + return mPavements.size(); +} + +FGPavement* FGAirport::getPavementByIndex(unsigned int aIndex) const +{ + loadTaxiways(); + assert(aIndex >= 0 && aIndex < mPavements.size()); + return mPavements[aIndex]; +} + void FGAirport::setRunwaysAndTaxiways(vector& rwys, - vector& txwys) + vector& txwys, + vector& pvts) { mRunways.swap(rwys); Runway_iterator it = mRunways.begin(); for (; it != mRunways.end(); ++it) { (*it)->setAirport(this); } - + mTaxiways.swap(txwys); + mPavements.swap(pvts); } FGRunway* FGAirport::getActiveRunwayForUsage() const @@ -217,13 +285,17 @@ FGRunway* FGAirport::getActiveRunwayForUsage() const envMgr = (FGEnvironmentMgr *) globals->get_subsystem("environment"); } - FGEnvironment stationWeather(envMgr->getEnvironment(mPosition)); + // This forces West-facing rwys to be used in no-wind situations + // which is consistent with Flightgear's initial setup. + double hdg = 270; + + if (envMgr) { + FGEnvironment stationWeather(envMgr->getEnvironment(mPosition)); - double windSpeed = stationWeather.get_wind_speed_kt(); - double hdg = stationWeather.get_wind_from_heading_deg(); - if (windSpeed <= 0.0) { - hdg = 270; // This forces West-facing rwys to be used in no-wind situations - // which is consistent with Flightgear's initial setup. + double windSpeed = stationWeather.get_wind_speed_kt(); + if (windSpeed > 0.0) { + hdg = stationWeather.get_wind_from_heading_deg(); + } } return findBestRunwayForHeading(hdg); @@ -257,7 +329,7 @@ bool FGAirport::HardSurfaceFilter::passAirport(FGAirport* aApt) const FGAirport* FGAirport::findByIdent(const std::string& aIdent) { FGPositionedRef r; - AirportFilter filter; + PortsFilter filter; r = FGPositioned::findNextWithPartialId(r, aIdent, &filter); if (!r) { return NULL; // we don't warn here, let the caller do that @@ -268,7 +340,7 @@ FGAirport* FGAirport::findByIdent(const std::string& aIdent) FGAirport* FGAirport::getByIdent(const std::string& aIdent) { FGPositionedRef r; - AirportFilter filter; + PortsFilter filter; r = FGPositioned::findNextWithPartialId(r, aIdent, &filter); if (!r) { throw sg_range_exception("No such airport with ident: " + aIdent); @@ -293,13 +365,361 @@ const FGAirport *fgFindAirportID( const string& id) return FGAirport::findByIdent(id); } +void FGAirport::loadRunways() const +{ + if (mRunwaysLoaded) { + return; // already loaded, great + } + + mRunwaysLoaded = true; + loadSceneryDefinitions(); +} + +void FGAirport::loadTaxiways() const +{ + if (mTaxiwaysLoaded) { + return; // already loaded, great + } +} + +void FGAirport::loadProcedures() const +{ + if (mProceduresLoaded) { + return; + } + + mProceduresLoaded = true; + SGPath path; + if (!XMLLoader::findAirportData(ident(), "procedures", path)) { + SG_LOG(SG_GENERAL, SG_INFO, "no procedures data available for " << ident()); + return; + } + + SG_LOG(SG_GENERAL, SG_INFO, ident() << ": loading procedures from " << path.str()); + Route::loadAirportProcedures(path, const_cast(this)); +} + +void FGAirport::loadSceneryDefinitions() const +{ + // allow users to disable the scenery data in the short-term + // longer term, this option can probably disappear + if (!fgGetBool("/sim/paths/use-custom-scenery-data")) { + return; + } + + SGPath path; + SGPropertyNode_ptr rootNode = new SGPropertyNode; + if (XMLLoader::findAirportData(ident(), "threshold", path)) { + readProperties(path.str(), rootNode); + const_cast(this)->readThresholdData(rootNode); + } + + // repeat for the tower data + rootNode = new SGPropertyNode; + if (XMLLoader::findAirportData(ident(), "twr", path)) { + readProperties(path.str(), rootNode); + const_cast(this)->readTowerData(rootNode); + } +} + +void FGAirport::readThresholdData(SGPropertyNode* aRoot) +{ + SGPropertyNode* runway; + int runwayIndex = 0; + for (; (runway = aRoot->getChild("runway", runwayIndex)) != NULL; ++runwayIndex) { + SGPropertyNode* t0 = runway->getChild("threshold", 0), + *t1 = runway->getChild("threshold", 1); + assert(t0); + assert(t1); // too strict? mayeb we should finally allow single-ended runways + + processThreshold(t0); + processThreshold(t1); + } // of runways iteration +} + +void FGAirport::processThreshold(SGPropertyNode* aThreshold) +{ + // first, let's identify the current runway + string id(aThreshold->getStringValue("rwy")); + if (!hasRunwayWithIdent(id)) { + SG_LOG(SG_GENERAL, SG_WARN, "FGAirport::processThreshold: " + "found runway not defined in the global data:" << ident() << "/" << id); + return; + } + + FGRunway* rwy = getRunwayByIdent(id); + rwy->processThreshold(aThreshold); +} + +void FGAirport::readTowerData(SGPropertyNode* aRoot) +{ + SGPropertyNode* twrNode = aRoot->getChild("tower")->getChild("twr"); + double lat = twrNode->getDoubleValue("lat"), + lon = twrNode->getDoubleValue("lon"), + elevM = twrNode->getDoubleValue("elev-m"); +// tower elevation is AGL, not AMSL. Since we don't want to depend on the +// scenery for a precise terrain elevation, we use the field elevation +// (this is also what the apt.dat code does) + double fieldElevationM = geod().getElevationM(); + + _tower_location = SGGeod::fromDegM(lon, lat, fieldElevationM + elevM); +} + +bool FGAirport::buildApproach(Waypt* aEnroute, STAR* aSTAR, FGRunway* aRwy, WayptVec& aRoute) +{ + loadProcedures(); + + if ((aRwy && (aRwy->airport() != this))) { + throw sg_exception("invalid parameters", "FGAirport::buildApproach"); + } + + if (aSTAR) { + bool ok = aSTAR->route(aRwy, aEnroute, aRoute); + if (!ok) { + SG_LOG(SG_GENERAL, SG_WARN, ident() << ": build approach, STAR " << aSTAR->ident() + << " failed to route from transition " << aEnroute->ident()); + return false; + } + } else if (aEnroute) { + // no a STAR specified, just use enroute point directly + aRoute.push_back(aEnroute); + } + + if (!aRwy) { + // no runway selected yet, but we loaded the STAR, so that's fine, we're done + return true; + } + +// build the approach (possibly including transition), and including the missed segment + vector aps; + for (unsigned int j=0; jrunway() == aRwy) { + aps.push_back(mApproaches[j]); + } + } // of approach filter by runway + + if (aps.empty()) { + SG_LOG(SG_GENERAL, SG_INFO, ident() << "; no approaches defined for runway " << aRwy->ident()); + // could build a fallback approach here + return false; + } + + for (unsigned int k=0; kroute(aRoute.back(), aRoute)) { + return true; + } + } // of initial approach iteration + + SG_LOG(SG_GENERAL, SG_INFO, ident() << ": unable to find transition to runway " + << aRwy->ident() << ", assume vectors"); + + WayptRef v(new ATCVectors(NULL, this)); + aRoute.push_back(v); + return aps.front()->routeFromVectors(aRoute); +} + +pair +FGAirport::selectSID(const SGGeod& aDest, FGRunway* aRwy) +{ + loadProcedures(); + + WayptRef enroute; + flightgear::SID* sid = NULL; + double d = 1e9; + + for (unsigned int i=0; iisForRunway(aRwy)) { + continue; + } + + WayptRef e = mSIDs[i]->findBestTransition(aDest); + if (!e) { + continue; // strange, but let's not worry about it + } + + // assert(e->isFixedPosition()); + double ed = SGGeodesy::distanceM(aDest, e->position()); + if (ed < d) { // new best match + enroute = e; + d = ed; + sid = mSIDs[i]; + } + } // of SID iteration + + if (!mSIDs.empty() && !sid) { + SG_LOG(SG_GENERAL, SG_INFO, ident() << "selectSID, no SID found (runway=" + << (aRwy ? aRwy->ident() : "no runway preference")); + } + + return make_pair(sid, enroute); +} + +pair +FGAirport::selectSTAR(const SGGeod& aOrigin, FGRunway* aRwy) +{ + loadProcedures(); + + WayptRef enroute; + STAR* star = NULL; + double d = 1e9; + + for (unsigned int i=0; iisForRunway(aRwy)) { + continue; + } + + SG_LOG(SG_GENERAL, SG_INFO, "STAR " << mSTARs[i]->ident() << " is valid for runway"); + WayptRef e = mSTARs[i]->findBestTransition(aOrigin); + if (!e) { + continue; // strange, but let's not worry about it + } + + // assert(e->isFixedPosition()); + double ed = SGGeodesy::distanceM(aOrigin, e->position()); + if (ed < d) { // new best match + enroute = e; + d = ed; + star = mSTARs[i]; + } + } // of STAR iteration + + return make_pair(star, enroute); +} + + +void FGAirport::addSID(flightgear::SID* aSid) +{ + mSIDs.push_back(aSid); +} + +void FGAirport::addSTAR(STAR* aStar) +{ + mSTARs.push_back(aStar); +} + +void FGAirport::addApproach(Approach* aApp) +{ + mApproaches.push_back(aApp); +} + +unsigned int FGAirport::numSIDs() const +{ + loadProcedures(); + return mSIDs.size(); +} + +flightgear::SID* FGAirport::getSIDByIndex(unsigned int aIndex) const +{ + loadProcedures(); + return mSIDs[aIndex]; +} + +flightgear::SID* FGAirport::findSIDWithIdent(const std::string& aIdent) const +{ + loadProcedures(); + for (unsigned int i=0; iident() == aIdent) { + return mSIDs[i]; + } + } + + return NULL; +} + +unsigned int FGAirport::numSTARs() const +{ + loadProcedures(); + return mSTARs.size(); +} + +STAR* FGAirport::getSTARByIndex(unsigned int aIndex) const +{ + loadProcedures(); + return mSTARs[aIndex]; +} + +STAR* FGAirport::findSTARWithIdent(const std::string& aIdent) const +{ + loadProcedures(); + for (unsigned int i=0; iident() == aIdent) { + return mSTARs[i]; + } + } + + return NULL; +} + +unsigned int FGAirport::numApproaches() const +{ + loadProcedures(); + return mApproaches.size(); +} + +Approach* FGAirport::getApproachByIndex(unsigned int aIndex) const +{ + loadProcedures(); + return mApproaches[aIndex]; +} + +class AirportNodeListener : public SGPropertyChangeListener +{ +public: + AirportNodeListener() + { + SGPropertyNode* airports = fgGetNode("/sim/airport"); + airports->addChangeListener(this, false); + } + + virtual void valueChanged(SGPropertyNode*) + { + } + + virtual void childAdded(SGPropertyNode* pr, SGPropertyNode* child) + { + FGAirport* apt = FGAirport::findByIdent(child->getName()); + if (!apt) { + return; + } + + flightgear::PositionedBinding::bind(apt, child); + } +}; + +void FGAirport::installPropertyListener() +{ + new AirportNodeListener; +} + +flightgear::PositionedBinding* +FGAirport::createBinding(SGPropertyNode* nd) const +{ + return new flightgear::AirportBinding(this, nd); +} + +void FGAirport::setCommStations(CommStationList& comms) +{ + mCommStations.swap(comms); + for (unsigned int c=0; csetAirport(this); + } +} + +CommStationList +FGAirport::commStationsOfType(FGPositioned::Type aTy) const +{ + CommStationList result; + for (unsigned int c=0; ctype() == aTy) { + result.push_back(mCommStations[c]); + } + } + return result; +} // get airport elevation double fgGetAirportElev( const string& id ) { - SG_LOG( SG_GENERAL, SG_BULK, - "Finding elevation for airport: " << id ); - const FGAirport *a=fgFindAirportID( id); if (a) { return a->getElevation(); @@ -310,16 +730,13 @@ double fgGetAirportElev( const string& id ) // get airport position -Point3D fgGetAirportPos( const string& id ) +SGGeod fgGetAirportPos( const string& id ) { - SG_LOG( SG_ATC, SG_BULK, - "Finding position for airport: " << id ); - const FGAirport *a = fgFindAirportID( id); if (a) { - return Point3D(a->getLongitude(), a->getLatitude(), a->getElevation()); + return SGGeod::fromDegM(a->getLongitude(), a->getLatitude(), a->getElevation()); } else { - return Point3D(0.0, 0.0, -9999.0); + return SGGeod::fromDegM(0.0, 0.0, -9999.0); } }