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flightgear/src/Airports/simple.hxx

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// simple.hxx -- a really simplistic class to manage airport ID,
// lat, lon of the center of one of it's runways, and
// elevation in feet.
//
// Written by Curtis Olson, started April 1998.
// Updated by Durk Talsma, started December 2004.
//
// Copyright (C) 1998 Curtis L. Olson - http://www.flightgear.org/~curt
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
#ifndef _FG_SIMPLE_HXX
#define _FG_SIMPLE_HXX
#include <simgear/compiler.h>
#include <string>
#include <vector>
#include <Navaids/positioned.hxx>
// forward decls
class FGAirportDynamics;
class FGRunway;
class FGTaxiway;
class FGPavement;
class SGPropertyNode;
typedef SGSharedPtr<FGRunway> FGRunwayPtr;
typedef SGSharedPtr<FGTaxiway> FGTaxiwayPtr;
typedef SGSharedPtr<FGPavement> FGPavementPtr;
namespace flightgear {
class SID;
class STAR;
class Approach;
class Waypt;
class CommStation;
typedef SGSharedPtr<Waypt> WayptRef;
typedef std::vector<WayptRef> WayptVec;
typedef std::vector<CommStation*> CommStationList;
}
/***************************************************************************************
*
**************************************************************************************/
class FGAirport : public FGPositioned
{
public:
FGAirport(const std::string& id, const SGGeod& location, const SGGeod& tower,
const std::string& name, bool has_metar, Type aType);
~FGAirport();
const std::string& getId() const { return ident(); }
const std::string& getName() const { return _name; }
double getLongitude() const { return longitude(); }
// Returns degrees
double getLatitude() const { return latitude(); }
// Returns ft
double getElevation() const { return elevation(); }
bool getMetar() const { return _has_metar; }
bool isAirport() const;
bool isSeaport() const;
bool isHeliport() const;
virtual const std::string& name() const
{ return _name; }
const SGGeod& getTowerLocation() const { return _tower_location; }
void setMetar(bool value) { _has_metar = value; }
FGRunway* getActiveRunwayForUsage() const;
FGAirportDynamics *getDynamics();
unsigned int numRunways() const;
FGRunway* getRunwayByIndex(unsigned int aIndex) const;
bool hasRunwayWithIdent(const std::string& aIdent) const;
FGRunway* getRunwayByIdent(const std::string& aIdent) const;
FGRunway* findBestRunwayForHeading(double aHeading) const;
/**
* return the most likely target runway based on a position.
* Specifically, return the runway for which the course from aPos
* to the runway end, mostly closely matches the runway heading.
* This is a good approximation of which runway the position is on or
* aiming towards.
*/
FGRunway* findBestRunwayForPos(const SGGeod& aPos) const;
/**
* Useful predicate for FMS/GPS/NAV displays and similar - check if this
* aiport has a hard-surfaced runway of at least the specified length.
*/
bool hasHardRunwayOfLengthFt(double aLengthFt) const;
unsigned int numTaxiways() const;
FGTaxiway* getTaxiwayByIndex(unsigned int aIndex) const;
unsigned int numPavements() const;
FGPavement* getPavementByIndex(unsigned int aIndex) const;
void setRunwaysAndTaxiways(std::vector<FGRunwayPtr>& rwys,
std::vector<FGTaxiwayPtr>& txwys,
std::vector<FGPavementPtr>& pvts);
class AirportFilter : public Filter
{
public:
virtual bool pass(FGPositioned* aPos) const {
return passAirport(static_cast<FGAirport*>(aPos));
}
virtual Type minType() const {
return AIRPORT;
}
virtual Type maxType() const {
return AIRPORT;
}
virtual bool passAirport(FGAirport* aApt) const {
return true;
}
};
/**
* Filter which passes heliports and seaports in addition to airports
*/
class PortsFilter : public AirportFilter
{
public:
virtual Type maxType() const {
return SEAPORT;
}
};
class HardSurfaceFilter : public AirportFilter
{
public:
HardSurfaceFilter(double minLengthFt);
virtual bool passAirport(FGAirport* aApt) const;
private:
double mMinLengthFt;
};
void setProcedures(const std::vector<flightgear::SID*>& aSids,
const std::vector<flightgear::STAR*>& aStars,
const std::vector<flightgear::Approach*>& aApproaches);
void addSID(flightgear::SID* aSid);
void addSTAR(flightgear::STAR* aStar);
void addApproach(flightgear::Approach* aApp);
unsigned int numSIDs() const;
flightgear::SID* getSIDByIndex(unsigned int aIndex) const;
flightgear::SID* findSIDWithIdent(const std::string& aIdent) const;
unsigned int numSTARs() const;
flightgear::STAR* getSTARByIndex(unsigned int aIndex) const;
flightgear::STAR* findSTARWithIdent(const std::string& aIdent) const;
unsigned int numApproaches() const;
flightgear::Approach* getApproachByIndex(unsigned int aIndex) const;
static void installPropertyListener();
/**
* Syntactic wrapper around FGPositioned::findClosest - find the closest
* match for filter, and return it cast to FGAirport. The default filter
* passes airports, but not seaports or heliports
*/
static FGAirport* findClosest(const SGGeod& aPos, double aCuttofNm, Filter* filter = NULL);
/**
* Helper to look up an FGAirport instance by unique ident. Throws an
* exception if the airport could not be found - so callers can assume
* the result is non-NULL.
*/
static FGAirport* getByIdent(const std::string& aIdent);
/**
* Helper to look up an FGAirport instance by unique ident. Returns NULL
* if the airport could not be found.
*/
static FGAirport* findByIdent(const std::string& aIdent);
/**
* Specialised helper to implement the AirportList dialog. Performs a
* case-insensitive search on airport names and ICAO codes, and returns
* matches in a format suitable for use by a puaList.
*/
static char** searchNamesAndIdents(const std::string& aFilter);
bool buildApproach(flightgear::Waypt* aEnroute, flightgear::STAR* aSTAR,
FGRunway* aRwy, flightgear::WayptVec& aRoute);
/**
* Given a destiation point, select the best SID and transition waypt from
* this airport. Returns (NULL,NULL) is no SIDs are defined, otherwise the
* best SID/transition is that which is closest to the destination point.
*/
std::pair<flightgear::SID*, flightgear::WayptRef> selectSID(const SGGeod& aDest, FGRunway* aRwy);
/**
* Select a STAR and enroute transition waypt, given an origin (departure) position.
* returns (NULL, NULL) is no suitable STAR is exists
*/
std::pair<flightgear::STAR*, flightgear::WayptRef> selectSTAR(const SGGeod& aOrigin, FGRunway* aRwy);
virtual flightgear::PositionedBinding* createBinding(SGPropertyNode* nd) const;
void setCommStations(flightgear::CommStationList& comms);
flightgear::CommStationList commStationsOfType(FGPositioned::Type aTy) const;
const flightgear::CommStationList& commStations() const
{ return mCommStations; }
private:
typedef std::vector<FGRunwayPtr>::const_iterator Runway_iterator;
/**
* Helper to locate a runway by ident
*/
Runway_iterator getIteratorForRunwayIdent(const std::string& aIdent) const;
// disable these
FGAirport operator=(FGAirport &other);
FGAirport(const FGAirport&);
/**
* helper to read airport data from the scenery XML files.
*/
void loadSceneryDefinitions() const;
/**
* Helpers to process property data loaded from an ICAO.threshold.xml file
*/
void readThresholdData(SGPropertyNode* aRoot);
void processThreshold(SGPropertyNode* aThreshold);
/**
* Helper to parse property data loaded from an ICAO.twr.xml filke
*/
void readTowerData(SGPropertyNode* aRoot);
SGGeod _tower_location;
std::string _name;
bool _has_metar;
FGAirportDynamics *_dynamics;
void loadRunways() const;
void loadTaxiways() const;
void loadProcedures() const;
mutable bool mRunwaysLoaded;
mutable bool mTaxiwaysLoaded;
mutable bool mProceduresLoaded;
std::vector<FGRunwayPtr> mRunways;
std::vector<FGTaxiwayPtr> mTaxiways;
std::vector<FGPavementPtr> mPavements;
std::vector<flightgear::SID*> mSIDs;
std::vector<flightgear::STAR*> mSTARs;
std::vector<flightgear::Approach*> mApproaches;
flightgear::CommStationList mCommStations;
};
// find basic airport location info from airport database
const FGAirport *fgFindAirportID( const std::string& id);
// get airport elevation
double fgGetAirportElev( const std::string& id );
#endif // _FG_SIMPLE_HXX