#include "simple.hxx"
+#include <cassert>
+#include <boost/foreach.hpp>
+
#include <simgear/misc/sg_path.hxx>
#include <simgear/props/props.hxx>
+#include <simgear/props/props_io.hxx>
#include <simgear/debug/logstream.hxx>
#include <simgear/sg_inlines.h>
+#include <simgear/structure/exception.hxx>
#include <Environment/environment_mgr.hxx>
#include <Environment/environment.hxx>
#include <Main/fg_props.hxx>
#include <Airports/runways.hxx>
+#include <Airports/pavement.hxx>
#include <Airports/dynamics.hxx>
#include <Airports/xmlloader.hxx>
+#include <Navaids/procedure.hxx>
+#include <Navaids/waypoint.hxx>
+#include <ATC/CommStation.hxx>
+#include <Navaids/NavDataCache.hxx>
+
+using std::vector;
+using std::pair;
+
+using namespace flightgear;
-// magic import of a helper which uses FGPositioned internals
-extern char** searchAirportNamesAndIdents(const std::string& aFilter);
/***************************************************************************
* FGAirport
***************************************************************************/
-FGAirport::FGAirport(const string &id, const SGGeod& location, const SGGeod& tower_location,
+FGAirport::FGAirport(PositionedID aGuid, const string &id, const SGGeod& location,
const string &name, bool has_metar, Type aType) :
- FGPositioned(aType, id, location),
- _tower_location(tower_location),
+ FGPositioned(aGuid, aType, id, location),
_name(name),
_has_metar(has_metar),
- _dynamics(0)
+ _dynamics(0),
+ mTowerDataLoaded(false),
+ mRunwaysLoaded(false),
+ mTaxiwaysLoaded(false)
{
}
return type() == HELIPORT;
}
+bool FGAirport::isAirportType(FGPositioned* pos)
+{
+ if (!pos) {
+ return false;
+ }
+
+ return (pos->type() >= AIRPORT) && (pos->type() <= SEAPORT);
+}
+
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);
+ _dynamics->init();
+
+ FGRunwayPreference rwyPrefs(this);
+ XMLLoader::load(&rwyPrefs);
+ _dynamics->setRwyUse(rwyPrefs);
+
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];
+ return (FGRunway*) flightgear::NavDataCache::instance()->loadById(mRunways[aIndex]);
}
bool FGAirport::hasRunwayWithIdent(const string& aIdent) const
{
- return (getIteratorForRunwayIdent(aIdent) != mRunways.end());
+ return flightgear::NavDataCache::instance()->airportItemWithIdent(guid(), FGPositioned::RUNWAY, aIdent) != 0;
}
FGRunway* FGAirport::getRunwayByIdent(const string& aIdent) const
{
- Runway_iterator it = getIteratorForRunwayIdent(aIdent);
- if (it == mRunways.end()) {
+ PositionedID id = flightgear::NavDataCache::instance()->airportItemWithIdent(guid(), FGPositioned::RUNWAY, aIdent);
+ if (id == 0) {
SG_LOG(SG_GENERAL, SG_ALERT, "no such runway '" << aIdent << "' at airport " << ident());
throw sg_range_exception("unknown runway " + aIdent + " at airport:" + ident(), "FGAirport::getRunwayByIdent");
}
- return *it;
+ return (FGRunway*) flightgear::NavDataCache::instance()->loadById(id);
}
-FGAirport::Runway_iterator
-FGAirport::getIteratorForRunwayIdent(const string& aIdent) const
-{
- string ident(aIdent);
- if ((aIdent.size() == 1) || !isdigit(aIdent[1])) {
- ident = "0" + aIdent;
- }
-
- Runway_iterator it = mRunways.begin();
- for (; it != mRunways.end(); ++it) {
- if ((*it)->ident() == ident) {
- return it;
- }
- }
-
- return it; // end()
-}
FGRunway* FGAirport::findBestRunwayForHeading(double aHeading) const
{
- Runway_iterator it = mRunways.begin();
+ loadRunways();
+
FGRunway* result = NULL;
double currentBestQuality = 0.0;
double surfaceWeight = param->getDoubleValue("surface-weight", 10);
double deviationWeight = param->getDoubleValue("deviation-weight", 1);
- for (; it != mRunways.end(); ++it) {
- double good = (*it)->score(lengthWeight, widthWeight, surfaceWeight);
-
- double dev = aHeading - (*it)->headingDeg();
+ BOOST_FOREACH(PositionedID id, mRunways) {
+ FGRunway* rwy = (FGRunway*) flightgear::NavDataCache::instance()->loadById(id);
+ double good = rwy->score(lengthWeight, widthWeight, surfaceWeight);
+ double dev = aHeading - rwy->headingDeg();
SG_NORMALIZE_RANGE(dev, -180.0, 180.0);
double bad = fabs(deviationWeight * dev) + 1e-20;
double quality = good / bad;
if (quality > currentBestQuality) {
currentBestQuality = quality;
- result = *it;
+ result = rwy;
}
}
return result;
}
+FGRunway* FGAirport::findBestRunwayForPos(const SGGeod& aPos) const
+{
+ loadRunways();
+
+ FGRunway* result = NULL;
+ double currentLowestDev = 180.0;
+
+ BOOST_FOREACH(PositionedID id, mRunways) {
+ FGRunway* rwy = (FGRunway*) flightgear::NavDataCache::instance()->loadById(id);
+
+ double inboundCourse = SGGeodesy::courseDeg(aPos, rwy->end());
+ double dev = inboundCourse - rwy->headingDeg();
+ SG_NORMALIZE_RANGE(dev, -180.0, 180.0);
+
+ dev = fabs(dev);
+ if (dev < currentLowestDev) { // new best match
+ currentLowestDev = dev;
+ result = rwy;
+ }
+ } // of runway iteration
+
+ return result;
+
+}
+
bool FGAirport::hasHardRunwayOfLengthFt(double aLengthFt) const
{
- unsigned int numRunways(mRunways.size());
- for (unsigned int r=0; r<numRunways; ++r) {
- FGRunway* rwy = mRunways[r];
+ loadRunways();
+
+ BOOST_FOREACH(PositionedID id, mRunways) {
+ FGRunway* rwy = (FGRunway*) flightgear::NavDataCache::instance()->loadById(id);
+
if (rwy->isReciprocal()) {
continue; // we only care about lengths, so don't do work twice
}
unsigned int FGAirport::numTaxiways() const
{
+ loadTaxiways();
return mTaxiways.size();
}
FGTaxiway* FGAirport::getTaxiwayByIndex(unsigned int aIndex) const
{
+ loadTaxiways();
+
assert(aIndex >= 0 && aIndex < mTaxiways.size());
- return mTaxiways[aIndex];
+ return (FGTaxiway*) flightgear::NavDataCache::instance()->loadById(mTaxiways[aIndex]);
}
-void FGAirport::setRunwaysAndTaxiways(vector<FGRunwayPtr>& rwys,
- vector<FGTaxiwayPtr>& txwys)
+unsigned int FGAirport::numPavements() const
{
- mRunways.swap(rwys);
- Runway_iterator it = mRunways.begin();
- for (; it != mRunways.end(); ++it) {
- (*it)->setAirport(this);
- }
-
- mTaxiways.swap(txwys);
+ loadTaxiways();
+ return mPavements.size();
+}
+
+FGPavement* FGAirport::getPavementByIndex(unsigned int aIndex) const
+{
+ loadTaxiways();
+ assert(aIndex >= 0 && aIndex < mPavements.size());
+ return (FGPavement*) flightgear::NavDataCache::instance()->loadById(mPavements[aIndex]);
}
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);
FGAirport::HardSurfaceFilter::HardSurfaceFilter(double minLengthFt) :
mMinLengthFt(minLengthFt)
{
+ if (minLengthFt < 0.0) {
+ mMinLengthFt = fgGetDouble("/sim/navdb/min-runway-length-ft", 0.0);
+ }
}
bool FGAirport::HardSurfaceFilter::passAirport(FGAirport* aApt) const
FGAirport* FGAirport::findByIdent(const std::string& aIdent)
{
- FGPositionedRef r;
- AirportFilter filter;
- r = FGPositioned::findNextWithPartialId(r, aIdent, &filter);
+ PortsFilter filter;
+ FGPositionedRef r = FGPositioned::findFirstWithIdent(aIdent, &filter);
if (!r) {
return NULL; // we don't warn here, let the caller do that
}
FGAirport* FGAirport::getByIdent(const std::string& aIdent)
{
FGPositionedRef r;
- AirportFilter filter;
- r = FGPositioned::findNextWithPartialId(r, aIdent, &filter);
+ PortsFilter filter;
+ r = FGPositioned::findFirstWithIdent(aIdent, &filter);
if (!r) {
throw sg_range_exception("No such airport with ident: " + aIdent);
}
char** FGAirport::searchNamesAndIdents(const std::string& aFilter)
{
- // we delegate all the work to a horrible helper in FGPositioned, which can
- // access the (private) index data.
- return searchAirportNamesAndIdents(aFilter);
+ return NavDataCache::instance()->searchAirportNamesAndIdents(aFilter);
}
// find basic airport location info from airport database
return FGAirport::findByIdent(id);
}
+void FGAirport::loadRunways() const
+{
+ if (mRunwaysLoaded) {
+ return; // already loaded, great
+ }
+
+ loadSceneryDefinitions();
+
+ mRunwaysLoaded = true;
+ mRunways = flightgear::NavDataCache::instance()->airportItemsOfType(guid(), FGPositioned::RUNWAY);
+}
+
+void FGAirport::loadTaxiways() const
+{
+ if (mTaxiwaysLoaded) {
+ return; // already loaded, great
+ }
+
+ mTaxiwaysLoaded = true;
+ mTaxiways = flightgear::NavDataCache::instance()->airportItemsOfType(guid(), FGPositioned::TAXIWAY);
+}
+
+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());
+ RouteBase::loadAirportProcedures(path, const_cast<FGAirport*>(this));
+}
+
+void FGAirport::loadSceneryDefinitions() const
+{
+ NavDataCache* cache = NavDataCache::instance();
+ SGPath path;
+ if (!XMLLoader::findAirportData(ident(), "threshold", path)) {
+ return; // no XML threshold data
+ }
+
+ if (!cache->isCachedFileModified(path)) {
+ // cached values are correct, we're all done
+ return;
+ }
+
+ SGPropertyNode_ptr rootNode = new SGPropertyNode;
+ readProperties(path.str(), rootNode);
+ const_cast<FGAirport*>(this)->readThresholdData(rootNode);
+ cache->stampCacheFile(path);
+
+}
+
+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 rwyIdent(aThreshold->getStringValue("rwy"));
+ NavDataCache* cache = NavDataCache::instance();
+ PositionedID id = cache->airportItemWithIdent(guid(), FGPositioned::RUNWAY, rwyIdent);
+ if (id == 0) {
+ SG_LOG(SG_GENERAL, SG_DEBUG, "FGAirport::processThreshold: "
+ "found runway not defined in the global data:" << ident() << "/" << rwyIdent);
+ return;
+ }
+
+ double lon = aThreshold->getDoubleValue("lon"),
+ lat = aThreshold->getDoubleValue("lat");
+ SGGeod newThreshold(SGGeod::fromDegM(lon, lat, mPosition.getElevationM()));
+
+ double newHeading = aThreshold->getDoubleValue("hdg-deg");
+ double newDisplacedThreshold = aThreshold->getDoubleValue("displ-m") * SG_METER_TO_FEET;
+ double newStopway = aThreshold->getDoubleValue("stopw-m") * SG_METER_TO_FEET;
+
+ cache->updateRunwayThreshold(id, newThreshold,
+ newHeading, newDisplacedThreshold, newStopway);
+}
+
+SGGeod FGAirport::getTowerLocation() const
+{
+ validateTowerData();
+
+ NavDataCache* cache = NavDataCache::instance();
+ PositionedIDVec towers = cache->airportItemsOfType(guid(), FGPositioned::TOWER);
+ if (towers.empty()) {
+ SG_LOG(SG_GENERAL, SG_ALERT, "No towers defined for:" <<ident());
+ return SGGeod();
+ }
+
+ FGPositionedRef tower = cache->loadById(towers.front());
+ return tower->geod();
+}
+
+void FGAirport::validateTowerData() const
+{
+ if (mTowerDataLoaded) {
+ return;
+ }
+
+ mTowerDataLoaded = true;
+ NavDataCache* cache = NavDataCache::instance();
+ SGPath path;
+ if (!XMLLoader::findAirportData(ident(), "twr", path)) {
+ return; // no XML tower data
+ }
+
+ if (!cache->isCachedFileModified(path)) {
+ // cached values are correct, we're all done
+ return;
+ }
+
+ SGPropertyNode_ptr rootNode = new SGPropertyNode;
+ readProperties(path.str(), rootNode);
+ const_cast<FGAirport*>(this)->readTowerData(rootNode);
+ cache->stampCacheFile(path);
+}
+
+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();
+ SGGeod towerLocation(SGGeod::fromDegM(lon, lat, fieldElevationM + elevM));
+
+ NavDataCache* cache = NavDataCache::instance();
+ PositionedIDVec towers = cache->airportItemsOfType(guid(), FGPositioned::TOWER);
+ if (towers.empty()) {
+ cache->insertTower(guid(), towerLocation);
+ } else {
+ // update the position
+ cache->updatePosition(towers.front(), towerLocation);
+ }
+}
+
+bool FGAirport::validateILSData()
+{
+ if (mILSDataLoaded) {
+ return false;
+ }
+
+ mILSDataLoaded = true;
+ NavDataCache* cache = NavDataCache::instance();
+ SGPath path;
+ if (!XMLLoader::findAirportData(ident(), "ils", path)) {
+ return false; // no XML tower data
+ }
+
+ if (!cache->isCachedFileModified(path)) {
+ // cached values are correct, we're all done
+ return false;
+ }
+
+ SGPropertyNode_ptr rootNode = new SGPropertyNode;
+ readProperties(path.str(), rootNode);
+ readILSData(rootNode);
+ cache->stampCacheFile(path);
+
+// we loaded data, tell the caller it might need to reload things
+ return true;
+}
+
+void FGAirport::readILSData(SGPropertyNode* aRoot)
+{
+ NavDataCache* cache = NavDataCache::instance();
+
+ // find the entry matching the runway
+ SGPropertyNode* runwayNode, *ilsNode;
+ for (int i=0; (runwayNode = aRoot->getChild("runway", i)) != NULL; ++i) {
+ for (int j=0; (ilsNode = runwayNode->getChild("ils", j)) != NULL; ++j) {
+ // must match on both nav-ident and runway ident, to support the following:
+ // - runways with multiple distinct ILS installations (KEWD, for example)
+ // - runways where both ends share the same nav ident (LFAT, for example)
+ PositionedID ils = cache->findILS(guid(), ilsNode->getStringValue("rwy"),
+ ilsNode->getStringValue("nav-id"));
+ if (ils == 0) {
+ SG_LOG(SG_GENERAL, SG_INFO, "reading ILS data for " << ident() <<
+ ", couldn;t find runway/navaid for:" <<
+ ilsNode->getStringValue("rwy") << "/" <<
+ ilsNode->getStringValue("nav-id"));
+ continue;
+ }
+
+ double hdgDeg = ilsNode->getDoubleValue("hdg-deg"),
+ lon = ilsNode->getDoubleValue("lon"),
+ lat = ilsNode->getDoubleValue("lat"),
+ elevM = ilsNode->getDoubleValue("elev-m");
+
+ cache->updateILS(ils, SGGeod::fromDegM(lon, lat, elevM), hdgDeg);
+ } // of ILS iteration
+ } // of runway iteration
+}
+
+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; i<mSIDs.size(); ++i) {
+ if (mSIDs[i]->ident() == 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; i<mSTARs.size(); ++i) {
+ if (mSTARs[i]->ident() == 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];
+}
+
+Approach* FGAirport::findApproachWithIdent(const std::string& aIdent) const
+{
+ loadProcedures();
+ for (unsigned int i=0; i<mApproaches.size(); ++i) {
+ if (mApproaches[i]->ident() == aIdent) {
+ return mApproaches[i];
+ }
+ }
+
+ return NULL;
+}
+
+CommStationList
+FGAirport::commStations() const
+{
+ NavDataCache* cache = NavDataCache::instance();
+ CommStationList result;
+ BOOST_FOREACH(PositionedID pos, cache->airportItemsOfType(guid(),
+ FGPositioned::FREQ_GROUND,
+ FGPositioned::FREQ_UNICOM))
+ {
+ result.push_back((CommStation*) cache->loadById(pos));
+ }
+
+ return result;
+}
+
+CommStationList
+FGAirport::commStationsOfType(FGPositioned::Type aTy) const
+{
+ NavDataCache* cache = NavDataCache::instance();
+ CommStationList result;
+ BOOST_FOREACH(PositionedID pos, cache->airportItemsOfType(guid(), aTy)) {
+ result.push_back((CommStation*) cache->loadById(pos));
+ }
+
+ 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();
// 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);
}
}
projects / flightgear.git / blobdiff