1 // atis.hxx -- ATIS class
3 // Written by David Luff, started October 2001.
4 // Based on nav.hxx by Curtis Olson, started April 2000.
6 // Copyright (C) 2001 David C. Luff - david.luff@nottingham.ac.uk
8 // This program is free software; you can redistribute it and/or
9 // modify it under the terms of the GNU General Public License as
10 // published by the Free Software Foundation; either version 2 of the
11 // License, or (at your option) any later version.
13 // This program is distributed in the hope that it will be useful, but
14 // WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 // General Public License for more details.
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the Free Software
20 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
29 #include <simgear/compiler.h>
30 #include <simgear/math/sg_geodesy.hxx>
31 #include <simgear/misc/sgstream.hxx>
32 #include <simgear/magvar/magvar.hxx>
33 #include <simgear/timing/sg_time.hxx>
35 #ifdef SG_HAVE_STD_INCLUDES
38 #elif defined( __BORLANDC__ ) || (__APPLE__)
45 SG_USING_STD(istream);
50 //DCL - a complete guess for now.
51 #define FG_ATIS_DEFAULT_RANGE 30
53 class FGATIS : public FGATC {
56 double lon, lat, elev;
60 bool display; // Flag to indicate whether we should be outputting to the ATC display.
61 bool displaying; // Flag to indicate whether we are outputting to the ATC display.
62 string ident; // Code of the airport its at.
63 string name; // Name transmitted in the broadcast.
64 string transmission; // The actual ATIS transmission
65 // This is not stored in default.atis but is generated
66 // from the prevailing conditions when required.
68 // for failure modeling
69 string trans_ident; // transmitted ident
70 bool atis_failed; // atis failed?
73 // ATIS is actually a special case in that unlike other ATC eg.tower it doesn't actually know about
74 // or the whereabouts of the aircraft it is transmitting to. However, to ensure consistancy of
75 // operation with the other ATC classes the ATIS class must calculate range to the aircraft in order
76 // to decide whether to render the transmission - hence the users plane details must be stored.
77 //SGPropertyNode *airplane_lon_node;
78 //SGPropertyNode *airplane_lat_node;
79 //SGPropertyNode *airplane_elev_node;
86 //run the ATIS instance
89 //Indicate that this instance should be outputting to the ATC display
90 inline void SetDisplay(void) {display = true;}
92 //Indicate that this instance should not be outputting to the ATC display
93 inline void SetNoDisplay(void) {display = false;}
95 inline char get_type() const { return type; }
96 inline double get_lon() const { return lon; }
97 inline double get_lat() const { return lat; }
98 inline double get_elev() const { return elev; }
99 inline double get_x() const { return x; }
100 inline double get_y() const { return y; }
101 inline double get_z() const { return z; }
102 inline int get_freq() const { return freq; }
103 inline int get_range() const { return range; }
104 inline const char* GetIdent() { return ident.c_str(); }
105 inline string get_trans_ident() { return trans_ident; }
106 inline atc_type GetType() { return ATIS; }
107 inline void set_refname(string r) { refname = r; }
111 string refname; // Holds the refname of a transmission in progress
113 //Update the transmission string
114 void UpdateTransmission(void);
116 /* inline void set_type( char t ) { type = t; }
117 inline void set_lon( double l ) { lon = l; }
118 inline void set_lat( double l ) { lat = l; }
119 inline void set_elev( double e ) { elev = e; }
120 inline void set_freq( int f ) { freq = f; }
121 inline void set_range( int r ) { range = r; }
122 inline void set_dme( bool b ) { dme = b; }
123 inline void set_ident( char *i ) { strncpy( ident, i, 5 ); } */
125 friend istream& operator>> ( istream&, FGATIS& );
130 operator >> ( istream& in, FGATIS& a )
135 static bool first_time = true;
136 static double julian_date = 0;
137 static const double MJD0 = 2415020.0;
139 julian_date = sgTimeCurrentMJD(0, 0) + MJD0;
146 return in >> skipeol;
148 in >> a.lat >> a.lon >> a.elev >> f >> a.range
156 in.unsetf(ios::skipws);
159 if((ch == '"') || (ch == 0x0A)) {
161 } // we shouldn't need the 0x0A but it makes a nice safely in case someone leaves off the "
163 in.setf(ios::skipws);
164 //cout << "atis.name = " << a.name << '\n';
166 a.freq = (int)(f*100.0 + 0.5);
168 // cout << a.ident << endl;
170 // generate cartesian coordinates
171 Point3D geod( a.lon * SGD_DEGREES_TO_RADIANS, a.lat * SGD_DEGREES_TO_RADIANS, a.elev );
172 Point3D cart = sgGeodToCart( geod );
177 a.trans_ident = a.ident;
178 a.atis_failed = false;
180 return in >> skipeol;
183 #endif // _FG_ATIS_HXX