115 lines
2.8 KiB
C++
115 lines
2.8 KiB
C++
// runways.hxx -- a simple class to manage airport runway info
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//
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// Written by Curtis Olson, started August 2000.
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//
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// Copyright (C) 2000 Curtis L. Olson - http://www.flightgear.org/~curt
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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// $Id$
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#ifndef _FG_RUNWAYS_HXX
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#define _FG_RUNWAYS_HXX
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#ifndef __cplusplus
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# error This library requires C++
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#endif
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <simgear/compiler.h>
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#include STL_STRING
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#include <map>
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SG_USING_STD(string);
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SG_USING_STD(multimap);
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struct ltstr {
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bool operator()(const string s1, const string s2) const {
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return s1 < s2;
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}
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};
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struct FGRunway {
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string type;
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string id;
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string rwy_no;
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double lon;
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double lat;
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double heading;
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double length;
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double width;
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string surface_flags;
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string end1_flags;
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string end2_flags;
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double end1_displaced_threshold;
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double end2_displaced_threshold;
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double end1_stopway;
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double end2_stopway;
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};
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typedef multimap < string, FGRunway, ltstr > runway_map;
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typedef runway_map::iterator runway_map_iterator;
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typedef runway_map::const_iterator const_runway_map_iterator;
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class FGRunwayList {
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private:
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runway_map runways;
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runway_map_iterator current;
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public:
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// Constructor
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FGRunwayList( const string& file );
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// Destructor
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~FGRunwayList();
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// search for the specified apt id.
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// Returns true if successful, otherwise returns false.
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// On success, runway data is returned thru "runway" pointer.
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// "runway" is not changed if "apt" is not found.
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bool search( const string& aptid, FGRunway* runway );
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bool search( const string& aptid, const string& rwyno, FGRunway* runway );
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// DCL - search for runway closest to desired heading in degrees
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bool search( const string& aptid, const int hdg, FGRunway* runway );
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// Return the runway number of the runway closest to a given heading
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string search( const string& aptid, const int tgt_hdg );
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FGRunway search( const string& aptid );
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bool next( FGRunway* runway );
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FGRunway next();
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};
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#endif // _FG_RUNWAYS_HXX
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