#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 <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),
+ mTowerDataLoaded(false),
mRunwaysLoaded(false),
- mTaxiwaysLoaded(true)
+ mTaxiwaysLoaded(false)
{
- init(true); // init FGPositioned
}
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);
-
- //FGSidStar SIDs(this);
- XMLLoader::load(_dynamics->getSIDs());
- }
+ }
+
+ _dynamics = new FGAirportDynamics(this);
+ XMLLoader::load(_dynamics);
+ _dynamics->init();
+
+ FGRunwayPreference rwyPrefs(this);
+ XMLLoader::load(&rwyPrefs);
+ _dynamics->setRwyUse(rwyPrefs);
+
return _dynamics;
}
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
-{
- if (aIdent.empty())
- return mRunways.end();
-
- loadRunways();
-
- 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
{
loadRunways();
- Runway_iterator it = mRunways.begin();
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;
}
}
{
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();
+ 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 = *it;
+ result = rwy;
}
} // of runway iteration
{
loadRunways();
- unsigned int numRunways(mRunways.size());
- for (unsigned int r=0; r<numRunways; ++r) {
- FGRunway* rwy = mRunways[r];
+ 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
}
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]);
}
unsigned int FGAirport::numPavements() const
{
loadTaxiways();
assert(aIndex >= 0 && aIndex < mPavements.size());
- return mPavements[aIndex];
-}
-
-void FGAirport::setRunwaysAndTaxiways(vector<FGRunwayPtr>& rwys,
- vector<FGTaxiwayPtr>& txwys,
- vector<FGPavementPtr>& pvts)
-{
- mRunways.swap(rwys);
- Runway_iterator it = mRunways.begin();
- for (; it != mRunways.end(); ++it) {
- (*it)->setAirport(this);
- }
-
- mTaxiways.swap(txwys);
- mPavements.swap(pvts);
+ return (FGPavement*) flightgear::NavDataCache::instance()->loadById(mPavements[aIndex]);
}
FGRunway* FGAirport::getActiveRunwayForUsage() const
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;
PortsFilter filter;
- r = FGPositioned::findNextWithPartialId(r, aIdent, &filter);
+ FGPositionedRef r = FGPositioned::findFirstWithIdent(aIdent, &filter);
if (!r) {
return NULL; // we don't warn here, let the caller do that
}
{
FGPositionedRef r;
PortsFilter filter;
- r = FGPositioned::findNextWithPartialId(r, aIdent, &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; // already loaded, great
}
+ loadSceneryDefinitions();
+
mRunwaysLoaded = true;
- loadSceneryDefintions();
+ 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
}
SG_LOG(SG_GENERAL, SG_INFO, ident() << ": loading procedures from " << path.str());
- Route::loadAirportProcedures(path, const_cast<FGAirport*>(this));
+ RouteBase::loadAirportProcedures(path, const_cast<FGAirport*>(this));
}
-void FGAirport::loadSceneryDefintions() 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;
- }
-
+void FGAirport::loadSceneryDefinitions() const
+{
+ NavDataCache* cache = NavDataCache::instance();
SGPath path;
- SGPropertyNode_ptr rootNode = new SGPropertyNode;
- if (XMLLoader::findAirportData(ident(), "threshold", path)) {
- readProperties(path.str(), rootNode);
- const_cast<FGAirport*>(this)->readThresholdData(rootNode);
+ if (!XMLLoader::findAirportData(ident(), "threshold", path)) {
+ return; // no XML threshold data
}
- // repeat for the tower data
- rootNode = new SGPropertyNode;
- if (XMLLoader::findAirportData(ident(), "twr", path)) {
- readProperties(path.str(), rootNode);
- const_cast<FGAirport*>(this)->readTowerData(rootNode);
+ 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)
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);
+ 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;
}
- FGRunway* rwy = getRunwayByIdent(id);
- rwy->processThreshold(aThreshold);
+ 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);
}
-void FGAirport::readTowerData(SGPropertyNode* aRoot)
+SGGeod FGAirport::getTowerLocation() const
{
- SGPropertyNode* twrNode = aRoot->getChild("tower")->getChild("twr");
- double lat = twrNode->getDoubleValue("lat"),
- lon = twrNode->getDoubleValue("lon"),
- elevM = twrNode->getDoubleValue("elev-m");
-
- _tower_location = SGGeod::fromDegM(lon, lat, elevM);
+ 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();
}
-bool FGAirport::buildApproach(Waypt* aEnroute, STAR* aSTAR, FGRunway* aRwy, WayptVec& aRoute)
+void FGAirport::validateTowerData() const
{
- 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 (mTowerDataLoaded) {
+ return;
}
-
- if (!aRwy) {
- // no runway selected yet, but we loaded the STAR, so that's fine, we're done
- return true;
+
+ mTowerDataLoaded = true;
+ NavDataCache* cache = NavDataCache::instance();
+ SGPath path;
+ if (!XMLLoader::findAirportData(ident(), "twr", path)) {
+ return; // no XML tower data
}
-// build the approach (possibly including transition), and including the missed segment
- vector<Approach*> aps;
- for (unsigned int j=0; j<mApproaches.size();++j) {
- if (mApproaches[j]->runway() == 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;
+ if (!cache->isCachedFileModified(path)) {
+ // cached values are correct, we're all done
+ return;
}
-
- for (unsigned int k=0; k<aps.size(); ++k) {
- if (aps[k]->route(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);
+
+ SGPropertyNode_ptr rootNode = new SGPropertyNode;
+ readProperties(path.str(), rootNode);
+ const_cast<FGAirport*>(this)->readTowerData(rootNode);
+ cache->stampCacheFile(path);
}
-pair<flightgear::SID*, WayptRef>
-FGAirport::selectSID(const SGGeod& aDest, FGRunway* aRwy)
+void FGAirport::readTowerData(SGPropertyNode* aRoot)
{
- loadProcedures();
-
- WayptRef enroute;
- flightgear::SID* sid = NULL;
- double d = 1e9;
-
- for (unsigned int i=0; i<mSIDs.size(); ++i) {
- if (aRwy && !mSIDs[i]->isForRunway(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"));
+ 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);
}
-
- return make_pair(sid, enroute);
}
-
-pair<STAR*, WayptRef>
-FGAirport::selectSTAR(const SGGeod& aOrigin, FGRunway* aRwy)
+
+bool FGAirport::validateILSData()
{
- loadProcedures();
+ if (mILSDataLoaded) {
+ return false;
+ }
- WayptRef enroute;
- STAR* star = NULL;
- double d = 1e9;
+ mILSDataLoaded = true;
+ NavDataCache* cache = NavDataCache::instance();
+ SGPath path;
+ if (!XMLLoader::findAirportData(ident(), "ils", path)) {
+ return false; // no XML tower data
+ }
- for (unsigned int i=0; i<mSTARs.size(); ++i) {
- if (!mSTARs[i]->isForRunway(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
+ if (!cache->isCachedFileModified(path)) {
+ // cached values are correct, we're all done
+ return false;
+ }
- return make_pair(star, enroute);
+ 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);
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 )
{
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