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(double dt) {
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 ((FGEnvironmentMgr *)globals->get_subsystem("environment"))
117 ->getEnvironment(lat, lon, elev);
122 // UK CAA radiotelephony manual indicated ATIS transmissions start with "This is"
123 // Not sure about rest of the world though.
124 transmission += "This_is ";
125 // transmitted station name.
126 transmission += name;
128 transmission += " information";
130 //cout << "In atis.cxx, time_str = " << time_str << '\n';
131 // Add the recording identifier
132 // For now we will assume we only transmit every hour
133 hours = atoi((time_str.substr(1,2)).c_str()); //Warning - this is fragile if the
134 //time string format changes
135 //cout << "In atis.cxx, hours = " << hours << endl;
136 phonetic_id = current_commlist->GetCallSign(ident, hours, 0);
137 phonetic_id_string = GetPhoneticIdent(phonetic_id);
139 transmission += phonetic_id_string;
141 // Output the recording time. - we'll just output the last whole hour for now.
142 // FIXME - this only gets GMT time but that appears to be all the clock outputs for now
143 //cout << "in atis.cxx, time = " << time_str << endl;
144 transmission = transmission + " / Weather " + ConvertNumToSpokenDigits((time_str.substr(0,3) + "00")) + " hours zulu";
146 // Get the temperature
149 temp = int(stationweather.Temperature - 273.15);
151 temp = (int)stationweather.get_temperature_degc();
154 // HACK ALERT - at the moment the new environment subsystem returns bogus temperatures
155 // FIXME - take out this hack when this gets fixed upstream
156 if((temp < -50) || (temp > 60)) {
160 sprintf(buf, "%i", abs(temp));
161 transmission += " / Temperature ";
163 transmission += "minus ";
165 string tempstr1 = buf;
167 transmission += ConvertNumToSpokenDigits(tempstr1);
168 transmission += " degrees_Celsius";
170 // Get the visibility
172 visibility = fgGetDouble("/environment/visibility-m");
174 visibility = stationweather.get_visibility_m();
176 sprintf(buf, "%i", int(visibility/1600));
177 transmission += " / Visibility ";
179 transmission += ConvertNumToSpokenDigits(tempstr1);
180 transmission += " miles";
183 // FIXME: kludge for now
184 if (strcmp(fgGetString("/environment/clouds/layer[0]/type"), "clear")) {
186 fgGetDouble("/environment/clouds/layer[0]/elevation-ft");
187 // For some reason the altitude returned doesn't seem to correspond to the actual cloud altitude.
190 // cout << "cloudbase = " << cloudbase << endl;
191 sprintf(buf3, "%i", int(cloudbase)/1000);
192 sprintf(buf4, "%i", ((int)cloudbase % 1000)/100);
193 transmission += " / Cloudbase";
194 if(int(cloudbase)/1000) {
196 transmission = transmission + " " + ConvertNumToSpokenDigits(tempstr1) + " thousand";
198 if(((int)cloudbase % 1000)/100) {
200 transmission = transmission + " " + ConvertNumToSpokenDigits(tempstr1) + " hundred";
202 transmission += " feet";
205 // Get the pressure / altimeter
208 double altimeter = stationweather.get_pressure_sea_level_inhg();
209 sprintf(buf, "%.2f", altimeter);
210 transmission += " / Altimeter ";
212 transmission += ConvertNumToSpokenDigits(tempstr1);
215 // Based on the airport-id and wind get the active runway
219 //Set the heading to into the wind
220 double wind_x = stationweather.Wind[0];
221 double wind_y = stationweather.Wind[1];
223 double speed = sqrt( wind_x*wind_x + wind_y*wind_y ) * SG_METER_TO_NM / (60.0*60.0);
226 //If no wind use 270degrees
229 transmission += " / Winds_light_and_variable";
231 // //normalize the wind to get the direction
232 //wind_x /= speed; wind_y /= speed;
234 hdg = - atan2 ( wind_x, wind_y ) * SG_RADIANS_TO_DEGREES ;
238 //add a description of the wind to the transmission
241 sprintf(buf5, "%i", int(speed));
242 sprintf(buf6, "%i", int(hdg));
245 transmission = transmission + " / Winds " + ConvertNumToSpokenDigits(tempstr1) + " knots from "
246 + ConvertNumToSpokenDigits(tempstr2) + " degrees";
249 double speed = stationweather.get_wind_speed_kt();
250 double hdg = stationweather.get_wind_from_heading_deg();
252 hdg = 270; // This forces West-facing rwys to be used in no-wind situations
253 // which is consistent with Flightgear's initial setup.
254 transmission += " / Winds_light_and_variable";
256 // FIXME: get gust factor in somehow
259 sprintf(buf5, "%i", int(speed));
260 sprintf(buf6, "%i", int(hdg));
263 transmission = transmission + " / Winds " + ConvertNumToSpokenDigits(tempstr1) + " knots from "
264 + ConvertNumToSpokenDigits(tempstr2) + " degrees";
268 string rwy_no = globals->get_runways()->search(ident, int(hdg));
269 if(rwy_no != (string)"NN") {
270 transmission += " / Landing_and_departing_runway ";
271 transmission += ConvertRwyNumToSpokenString(atoi(rwy_no.c_str()));
272 //cout << "in atis.cxx, r.rwy_no = " << rwy_no << " r.id = " << r->id << " r.heading = " << r->heading << endl;
277 transmission += " / Advise_controller_on_initial_contact_you_have ";
278 transmission += phonetic_id_string;
279 transmission += " /// ";