1 // atis.cxx - routines to generate the ATIS info string
3 // Written by David Luff, started October 2001.
5 // Copyright (C) 2001 David C Luff - david.luff@nottingham.ac.uk
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 #include <simgear/compiler.h>
28 #include <stdlib.h> // atoi()
33 #if !defined(SG_HAVE_NATIVE_SGI_COMPILERS)
37 //#include <simgear/debug/logstream.hxx>
38 //#include <simgear/misc/sgstream.hxx>
39 #include <simgear/misc/sg_path.hxx>
41 //#ifndef FG_OLD_WEATHER
42 //#include <WeatherCM/FGLocalWeatherDatabase.h>
44 //# include <Weather/weather.hxx>
47 #include <Main/fg_props.hxx>
48 #include <Airports/runways.hxx>
51 #include "atislist.hxx"
53 string GetPhoneticIdent(int i) {
54 // TODO - Check i is between 1 and 26 and wrap if necessary
56 case 1 : return("Alpha");
57 case 2 : return("Bravo");
58 case 3 : return("Charlie");
59 case 4 : return("Delta");
60 case 5 : return("Echo");
61 case 6 : return("Foxtrot");
62 case 7 : return("Golf");
63 case 8 : return("Hotel");
64 case 9 : return("Indigo");
65 case 10 : return("Juliet");
66 case 11 : return("Kilo");
67 case 12 : return("Lima");
68 case 13 : return("Mike");
69 case 14 : return("November");
70 case 15 : return("Oscar");
71 case 16 : return("Papa");
72 case 17 : return("Quebec");
73 case 18 : return("Romeo");
74 case 19 : return("Sierra");
75 case 20 : return("Tango");
76 case 21 : return("Uniform");
77 case 22 : return("Victor");
78 case 23 : return("Whiskey");
79 case 24 : return("X-ray");
80 case 25 : return("Yankee");
81 case 26 : return("Zulu");
83 // We shouldn't get here
95 string FGATIS::get_transmission() {
96 //void FGATIS::get_transmission() {
98 string transmission = "";
103 string phonetic_id_string;
104 string time_str = fgGetString("sim/time/gmt-string");
108 // Only update every so-many loops - FIXME - possibly register this with the event scheduler
109 // Ack this doesn't work since the static counter is shared between all instances of FGATIS
110 // OK, for now the radiostack is handling only calling this every-so-often but that is not really
111 // a proper solution since the atis knows when the transmission is going to change not the radio.
116 // Start with the transmitted station name.
117 transmission += name;
119 transmission += " Information";
121 //cout << "In atis.cxx, time_str = " << time_str << '\n';
122 // Add the recording identifier
123 // For now we will assume we only transmit every hour
124 hours = atoi((time_str.substr(1,2)).c_str()); //Warning - this is fragile if the
125 //time string format changes
126 //cout << "In atis.cxx, hours = " << hours << endl;
127 phonetic_id = current_atislist->GetCallSign(ident, hours, 0);
128 phonetic_id_string = GetPhoneticIdent(phonetic_id);
130 transmission += phonetic_id_string;
132 // Output the recording time. - we'll just output the last whole hour for now.
133 // FIXME - this only gets GMT time but that appears to be all the clock outputs for now
134 //cout << "in atis.cxx, time = " << time_str << endl;
135 transmission = transmission + " Weather " + time_str.substr(0,3) + "00 hours Zulu";
137 // Get the temperature
138 // (Hardwire it for now since the global property returns the temperature at the current altitude
139 //temperature = fgGetDouble("/environment/weather/temperature-K");
140 temperature = 15 + 273.15;
141 sprintf(buf, "%i", int(temperature - 273.15));
142 transmission += " Temperature ";
144 transmission += " degrees Celcius";
146 // Get the pressure / altimeter
148 // Get the visibility
149 visibility = fgGetDouble("/environment/visibility-m");
150 sprintf(buf, "%i", int(visibility/1600));
151 transmission += " Visibility ";
153 transmission += " miles";
156 if(fgGetBool("/environment/clouds/status")) {
157 double cloudbase = fgGetDouble("/environment/clouds/altitude-ft");
158 // For some reason the altitude returned doesn't seem to correspond to the actual cloud altitude.
160 cout << "cloudbase = " << cloudbase << endl;
161 sprintf(buf3, "%i", int(cloudbase));
162 transmission = transmission + " Cloudbase " + buf3 + " feet";
165 // Based on the airport-id and wind get the active runway
167 SGPath path( globals->get_fg_root() );
168 path.append( "Airports" );
169 path.append( "runways.mk4" );
170 FGRunways runways( path.c_str() );
172 //Set the heading to into the wind
173 double hdg = fgGetDouble("/environment/wind-from-heading-deg");
174 double speed = fgGetDouble("/environment/wind-speed-knots");
176 //cout << "in atis.cxx, hdg = " << hdg << " speed = " << speed << endl;
178 //If no wind use 270degrees
181 transmission += " Winds light and variable";
183 //add a description of the wind to the transmission
185 sprintf(buf2, "%s %i %s %i %s", " Winds ", int(speed), " knots from ", int(hdg), " degrees");
186 transmission += buf2;
189 string rwy_no = runways.search(ident, hdg);
191 transmission += " Landing and departing runway ";
192 transmission += rwy_no;
193 //cout << "in atis.cxx, r.rwy_no = " << rwy_no << " r.id = " << r->id << " r.heading = " << r->heading << endl;
198 // TODO - unhardwire the identifier
199 transmission += " Advise controller on initial contact you have ";
200 transmission += phonetic_id_string;
209 return(transmission);