1 // atis.cxx - routines to generate the ATIS info string
2 // This is the implementation of the FGATIS class
4 // Written by David Luff, started October 2001.
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.
27 #include <simgear/compiler.h>
29 #include <stdlib.h> // atoi()
30 #include <stdio.h> // sprintf
37 //#include <simgear/debug/logstream.hxx>
38 //#include <simgear/misc/sgstream.hxx>
39 #include <simgear/misc/sg_path.hxx>
42 # include <WeatherCM/FGLocalWeatherDatabase.h>
44 # include <Environment/environment_mgr.hxx>
45 # include <Environment/environment.hxx>
48 #include <Main/fg_props.hxx>
49 #include <Main/globals.hxx>
50 #include <Airports/runways.hxx>
53 #include "commlist.hxx"
54 //#include "atislist.hxx"
55 #include "ATCdisplay.hxx"
56 #include "ATCutils.hxx"
69 vPtr = globals->get_ATC_mgr()->GetVoicePointer(ATIS);
70 voiceOK = (vPtr == NULL ? false : true);
77 // Main update function - checks whether we are displaying or not the correct message.
78 void FGATIS::Update() {
81 // Check if we need to update the message
82 // - basically every hour and if the weather changes significantly at the station
83 //globals->get_ATC_display()->ChangeRepeatingMessage(transmission);
85 // We need to get and display the message
87 //cout << "ATIS.CXX - calling ATCMgr to render transmission..." << endl;
88 Render(transmission, refname, true);
92 // We shouldn't be displaying
94 //cout << "ATIS.CXX - calling NoRender()..." << endl;
101 // Sets the actual broadcast ATIS transmission.
102 void FGATIS::UpdateTransmission() {
106 string phonetic_id_string;
107 string time_str = fgGetString("sim/time/gmt-string");
112 sgVec3 position = { lat, lon, elev };
113 FGPhysicalProperty stationweather = WeatherDatabase->get(position);
115 FGEnvironment stationweather =
116 globals->get_environment_mgr()->getEnvironment(lat, lon, elev);
121 // UK CAA radiotelephony manual indicated ATIS transmissions start with "This is"
122 // Not sure about rest of the world though.
123 transmission += "This_is ";
124 // transmitted station name.
125 transmission += name;
127 transmission += " information";
129 //cout << "In atis.cxx, time_str = " << time_str << '\n';
130 // Add the recording identifier
131 // For now we will assume we only transmit every hour
132 hours = atoi((time_str.substr(1,2)).c_str()); //Warning - this is fragile if the
133 //time string format changes
134 //cout << "In atis.cxx, hours = " << hours << endl;
135 phonetic_id = current_commlist->GetCallSign(ident, hours, 0);
136 phonetic_id_string = GetPhoneticIdent(phonetic_id);
138 transmission += phonetic_id_string;
140 // Output the recording time. - we'll just output the last whole hour for now.
141 // FIXME - this only gets GMT time but that appears to be all the clock outputs for now
142 //cout << "in atis.cxx, time = " << time_str << endl;
143 transmission = transmission + " / Weather " + ConvertNumToSpokenDigits((time_str.substr(0,3) + "00")) + " hours zulu";
145 // Get the temperature
148 temp = int(stationweather.Temperature - 273.15);
150 temp = (int)stationweather.get_temperature_degc();
153 // HACK ALERT - at the moment the new environment subsystem returns bogus temperatures
154 // FIXME - take out this hack when this gets fixed upstream
155 if((temp < -50) || (temp > 60)) {
159 sprintf(buf, "%i", abs(temp));
160 transmission += " / Temperature ";
162 transmission += "minus ";
164 string tempstr1 = buf;
166 transmission += ConvertNumToSpokenDigits(tempstr1);
167 transmission += " degrees_Celsius";
169 // Get the visibility
171 visibility = fgGetDouble("/environment/visibility-m");
173 visibility = stationweather.get_visibility_m();
175 sprintf(buf, "%i", int(visibility/1600));
176 transmission += " / Visibility ";
178 transmission += ConvertNumToSpokenDigits(tempstr1);
179 transmission += " miles";
182 // FIXME: kludge for now
183 if (strcmp(fgGetString("/environment/clouds/layer[0]/type"), "clear")) {
185 fgGetDouble("/environment/clouds/layer[0]/elevation-ft");
186 // For some reason the altitude returned doesn't seem to correspond to the actual cloud altitude.
189 // cout << "cloudbase = " << cloudbase << endl;
190 sprintf(buf3, "%i", int(cloudbase)/1000);
191 sprintf(buf4, "%i", ((int)cloudbase % 1000)/100);
192 transmission += " / Cloudbase";
193 if(int(cloudbase)/1000) {
195 transmission = transmission + " " + ConvertNumToSpokenDigits(tempstr1) + " thousand";
197 if(((int)cloudbase % 1000)/100) {
199 transmission = transmission + " " + ConvertNumToSpokenDigits(tempstr1) + " hundred";
201 transmission += " feet";
204 // Get the pressure / altimeter
207 double altimeter = stationweather.get_pressure_sea_level_inhg();
208 sprintf(buf, "%.2f", altimeter);
209 transmission += " / Altimeter ";
211 transmission += ConvertNumToSpokenDigits(tempstr1);
214 // Based on the airport-id and wind get the active runway
216 SGPath path( globals->get_fg_root() );
217 path.append( "Airports" );
218 path.append( "runways.mk4" );
219 FGRunways runways( path.c_str() );
222 //Set the heading to into the wind
223 double wind_x = stationweather.Wind[0];
224 double wind_y = stationweather.Wind[1];
226 double speed = sqrt( wind_x*wind_x + wind_y*wind_y ) * SG_METER_TO_NM / (60.0*60.0);
229 //If no wind use 270degrees
232 transmission += " / Winds_light_and_variable";
234 // //normalize the wind to get the direction
235 //wind_x /= speed; wind_y /= speed;
237 hdg = - atan2 ( wind_x, wind_y ) * SG_RADIANS_TO_DEGREES ;
241 //add a description of the wind to the transmission
244 sprintf(buf5, "%i", int(speed));
245 sprintf(buf6, "%i", int(hdg));
248 transmission = transmission + " / Winds " + ConvertNumToSpokenDigits(tempstr1) + " knots from "
249 + ConvertNumToSpokenDigits(tempstr2) + " degrees";
252 double speed = stationweather.get_wind_speed_kt();
253 double hdg = stationweather.get_wind_from_heading_deg();
255 hdg = 270; // This forces West-facing rwys to be used in no-wind situations
256 // which is consistent with Flightgear's initial setup.
257 transmission += " / Winds_light_and_variable";
259 // FIXME: get gust factor in somehow
262 sprintf(buf5, "%i", int(speed));
263 sprintf(buf6, "%i", int(hdg));
266 transmission = transmission + " / Winds " + ConvertNumToSpokenDigits(tempstr1) + " knots from "
267 + ConvertNumToSpokenDigits(tempstr2) + " degrees";
271 string rwy_no = runways.search(ident, int(hdg));
272 if(rwy_no != (string)"NN") {
273 transmission += " / Landing_and_departing_runway ";
274 transmission += ConvertRwyNumToSpokenString(atoi(rwy_no.c_str()));
275 //cout << "in atis.cxx, r.rwy_no = " << rwy_no << " r.id = " << r->id << " r.heading = " << r->heading << endl;
280 transmission += " / Advise_controller_on_initial_contact_you_have ";
281 transmission += phonetic_id_string;
282 transmission += " /// ";