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flightgear/src/ATC/tower.hxx
david 8b18201ced - fixed ANSI C++ namespace problems
- added final newlines to files to avoid compiler warnings

- adjusted for FG_NEW_ENVIRONMENT
2002-04-04 01:32:00 +00:00

150 lines
4 KiB
C++

// FGTower - a class to provide tower control at towered airports.
//
// Written by David Luff, started March 2002.
//
// Copyright (C) 2002 David C. Luff - david.luff@nottingham.ac.uk
//
// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
#ifndef _FG_TOWER_HXX
#define _FG_TOWER_HXX
#include <simgear/compiler.h>
#include <simgear/math/point3d.hxx>
#include <simgear/misc/sgstream.hxx>
#include <simgear/math/sg_geodesy.hxx>
#include <plib/sg.h>
#include <iostream>
#include <string>
SG_USING_STD(string);
SG_USING_STD(ios);
#include "ATC.hxx"
//DCL - a complete guess for now.
#define FG_TOWER_DEFAULT_RANGE 30
// somewhere in the ATC/AI system we are going to have defined something like
// struct plane_rec
// list <PlaneRec> plane_rec_list_type
class FGTower : public FGATC {
private:
// Need a data structure to hold details of the various active planes
// or possibly another data structure with the positions of the inactive planes.
// Need a data structure to hold outstanding communications from aircraft.
public:
FGTower();
~FGTower();
void Init();
void Update();
inline void SetDisplay() {display = true;}
inline void SetNoDisplay() {display = false;}
inline char get_type() const { return type; }
inline double get_lon() const { return lon; }
inline double get_lat() const { return lat; }
inline double get_elev() const { return elev; }
inline double get_x() const { return x; }
inline double get_y() const { return y; }
inline double get_z() const { return z; }
inline int get_freq() const { return freq; }
inline int get_range() const { return range; }
inline const char* GetIdent() { return ident.c_str(); }
inline string get_trans_ident() { return trans_ident; }
inline atc_type GetType() { return TOWER; }
// Make a request of tower control
//void Request(tower_request request);
private:
char type;
double lon, lat;
double elev;
double x, y, z;
int freq;
int range;
bool display; // Flag to indicate whether we should be outputting to the ATC display.
bool displaying; // Flag to indicate whether we are outputting to the ATC display.
string ident; // Code of the airport its at.
string name; // Name generally used in transmissions.
// for failure modeling
string trans_ident; // transmitted ident
bool tower_failed; // tower failed?
friend istream& operator>> ( istream&, FGTower& );
};
inline istream&
operator >> ( istream& in, FGTower& t )
{
double f;
char ch;
in >> t.type;
if ( t.type == '[' )
return in >> skipeol;
in >> t.lat >> t.lon >> t.elev >> f >> t.range
>> t.ident;
t.name = "";
in >> ch;
t.name += ch;
while(1) {
//in >> noskipws
in.unsetf(ios::skipws);
in >> ch;
t.name += ch;
if((ch == '"') || (ch == 0x0A)) {
break;
} // we shouldn't need the 0x0A but it makes a nice safely in case someone leaves off the "
}
in.setf(ios::skipws);
//cout << "tower.name = " << t.name << '\n';
t.freq = (int)(f*100.0 + 0.5);
// cout << t.ident << endl;
// generate cartesian coordinates
Point3D geod( t.lon * SGD_DEGREES_TO_RADIANS, t.lat * SGD_DEGREES_TO_RADIANS, t.elev );
Point3D cart = sgGeodToCart( geod );
t.x = cart.x();
t.y = cart.y();
t.z = cart.z();
t.trans_ident = t.ident;
t.tower_failed = false;
return in >> skipeol;
}
#endif //_FG_TOWER_HXX