//
// Written by Curtis Olson, started August 2000.
//
-// Copyright (C) 2000 Curtis L. Olson - curt@flightgear.org
+// Copyright (C) 2000 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
//
// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
-#ifndef _RUNWAYS_HXX
-#define _RUNWAYS_HXX
-
-
-#ifndef __cplusplus
-# error This library requires C++
-#endif
-
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
+#ifndef _FG_RUNWAYS_HXX
+#define _FG_RUNWAYS_HXX
#include <simgear/compiler.h>
-#ifdef SG_HAVE_STD_INCLUDES
-# include <istream>
-#elif defined( SG_HAVE_NATIVE_SGI_COMPILERS )
-# include <iostream.h>
-#elif defined( __BORLANDC__ )
-# include <iostream>
-#else
-# include <istream.h>
-#endif
-
-#include STL_STRING
-#include <vector>
-
-#define NDEBUG // she don't work without it.
-#include <mk4.h>
-#include <mk4str.h>
-#undef NDEBUG
+#include <Airports/runwaybase.hxx>
-SG_USING_STD(string);
-SG_USING_STD(vector);
-
-#if ! defined( SG_HAVE_NATIVE_SGI_COMPILERS )
-SG_USING_STD(istream);
-#endif
-
-
-class FGRunway {
-
-public:
+// forward decls
+class FGAirport;
+class FGNavRecord;
+class SGPropertyNode;
- string id;
- string rwy_no;
-
- double lon;
- double lat;
- double heading;
- double length;
- double width;
-
- string surface_flags;
- string end1_flags;
- string end2_flags;
-
-public:
-
- FGRunway();
- ~FGRunway();
-
-};
-
-inline istream&
-operator >> ( istream& in, FGRunway& a )
+class FGRunway : public FGRunwayBase
{
- int tmp;
-
- return in >> a.rwy_no >> a.lat >> a.lon >> a.heading >> a.length >> a.width
- >> a.surface_flags >> a.end1_flags >> tmp >> tmp >> a.end2_flags
- >> tmp >> tmp;
-}
-
-
-class FGRunways {
-
-private:
-
- c4_Storage *storage;
- c4_View *vRunway;
- int next_index;
-
-public:
-
- // Constructor
- FGRunways( const string& file );
-
- // Destructor
- ~FGRunways();
-
- // search for the specified id.
- // Returns true if successful, otherwise returns false.
- // On success, runway data is returned thru "runway" pointer.
- // "runway" is not changed if "apt" is not found.
- bool search( const string& id, FGRunway* runway );
- FGRunway search( const string& id );
- bool next( FGRunway* runway );
- FGRunway next();
-};
-
-
-class FGRunwaysUtil {
+ FGAirport* _airport;
+ bool _isReciprocal;
+ FGRunway* _reciprocal;
+ double _displ_thresh;
+ double _stopway;
+ FGNavRecord* _ils;
public:
- typedef vector< FGRunway > container;
- typedef container::iterator iterator;
- typedef container::const_iterator const_iterator;
-
-private:
- container runways;
-
-public:
-
- // Constructor
- FGRunwaysUtil();
-
- // Destructor
- ~FGRunwaysUtil();
-
- // load the data
- int load( const string& file );
-
- // save the data in metakit format
- bool dump_mk4( const string& file );
-
- // search for the specified id.
- // Returns true if successful, otherwise returns false.
- // On success, runway data is returned thru "runway" pointer.
- // "runway" is not changed if "id" is not found.
- // bool search( const string& id, FGRunway* runway ) const;
- // FGRunway search( const string& id ) const;
+
+ FGRunway(FGAirport* aAirport, const std::string& rwy_no,
+ const SGGeod& aGeod,
+ const double heading, const double length,
+ const double width,
+ const double displ_thresh,
+ const double stopway,
+ const int surface_code,
+ const bool reciprocal);
+
+ /**
+ * given a runway identifier (06, 18L, 31R) compute the identifier for the
+ * reciprocal heading runway (24, 36R, 13L) string.
+ */
+ static std::string reverseIdent(const std::string& aRunayIdent);
+
+ /**
+ * score this runway according to the specified weights. Used by
+ * FGAirport::findBestRunwayForHeading
+ */
+ double score(double aLengthWt, double aWidthWt, double aSurfaceWt) const;
+
+ /**
+ * Test if this runway is the reciprocal. This allows users who iterate
+ * over runways to avoid counting runways twice, if desired.
+ */
+ bool isReciprocal() const
+ { return _isReciprocal; }
+
+ /**
+ * Get the runway begining point - this is syntatic sugar, equivalent to
+ * calling pointOnCenterline(0.0);
+ */
+ SGGeod begin() const;
+
+ /**
+ * Get the (possibly displaced) threshold point.
+ */
+ SGGeod threshold() const;
+
+ /**
+ * Get the 'far' end - this is equivalent to calling
+ * pointOnCenterline(lengthFt());
+ */
+ SGGeod end() const;
+
+ double displacedThresholdM() const
+ { return _displ_thresh * SG_FEET_TO_METER; }
+
+ double stopwayM() const
+ { return _stopway * SG_FEET_TO_METER; }
+
+ /**
+ * Airport this runway is located at
+ */
+ FGAirport* airport() const
+ { return _airport; }
+
+ // FIXME - should die once airport / runway creation is cleaned up
+ void setAirport(FGAirport* aAirport)
+ { _airport = aAirport; }
+
+ FGNavRecord* ILS() const { return _ils; }
+ void setILS(FGNavRecord* nav) { _ils = nav; }
+
+ FGRunway* reciprocalRunway() const
+ { return _reciprocal; }
+ void setReciprocalRunway(FGRunway* other);
+
+ /**
+ * Helper to process property data loaded from an ICAO.threshold.xml file
+ */
+ void processThreshold(SGPropertyNode* aThreshold);
};
-
-#endif // _RUNWAYS_HXX
+#endif // _FG_RUNWAYS_HXX
projects / flightgear.git / blobdiff