1 /******************************************************************************
3 * Written by Durk Talsma, started August 1, 2010.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation; either version 2 of the
8 * License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20 **************************************************************************/
29 #include <simgear/math/SGMath.hxx>
30 #include <Airports/dynamics.hxx>
31 #include <Airports/simple.hxx>
32 #include "atc_mgr.hxx"
35 FGATCManager::FGATCManager() {
39 FGATCManager::~FGATCManager() {
43 void FGATCManager::init() {
45 currentATCDialog = new FGATCDialogNew;
46 currentATCDialog->init();
50 // find a reasonable controller for our user's aircraft..
51 // Let's start by working out the following three scenarios:
52 // Starting on ground at a parking position
53 // Starting on ground at the runway.
54 // Starting in the Air
55 bool onGround = fgGetBool("/sim/presets/onground");
56 string runway = fgGetString("/sim/atc/runway");
57 string airport = fgGetString("/sim/presets/airport-id");
58 string parking = fgGetString("/sim/presets/parkpos");
61 // Create an (invisible) AIAircraft represenation of the current
62 // Users, aircraft, that mimicks the user aircraft's behavior.
63 string callsign= fgGetString("/sim/multiplay/callsign");
64 double longitude = fgGetDouble("/position/longitude-deg");
65 double latitude = fgGetDouble("/position/latitude-deg");
66 double altitude = fgGetDouble("/position/altitude-ft");
67 double heading = fgGetDouble("/orientation/heading-deg");
68 double speed = fgGetDouble("/velocities/groundspeed-kt");
69 double aircraftRadius = 40; // note that this is currently hardcoded to a one-size-fits all JumboJet value. Should change later;
72 ai_ac.setCallSign ( callsign );
73 ai_ac.setLongitude( longitude );
74 ai_ac.setLatitude ( latitude );
75 ai_ac.setAltitude ( altitude );
76 ai_ac.setPerformance("jet_transport");
78 // NEXT UP: Create a traffic Schedule and fill that with appropriate information. This we can use to flight plannign.
79 FGAISchedule *trafficRef = new FGAISchedule;
80 trafficRef->setFlightType("gate");
82 FGScheduledFlight *flight = new FGScheduledFlight;
83 flight->setDepartureAirport(airport);
84 flight->setArrivalAirport(airport);
85 flight->initializeAirports();
86 flight->setFlightRules("IFR");
87 flight->setCallSign(callsign);
89 trafficRef->assign(flight);
90 FGAIFlightPlan *fp = new FGAIFlightPlan;
91 ai_ac.setTrafficRef(trafficRef);
93 string flightPlanName = airport + "-" + airport + ".xml";
94 double cruiseAlt = 100; // Doesn't really matter right now.
95 double courseToDest = 180; // Just use something neutral; this value might affect the runway that is used though...
96 time_t deptime = 0; // just make sure how flightplan processing is affected by this...
99 FGAirport *apt = FGAirport::findByIdent(airport);
100 FGAirportDynamics* dcs = apt->getDynamics();
101 int park_index = dcs->getNrOfParkings() - 1;
102 cerr << "found information: " << runway << " " << airport << ": parking = " << parking << endl;
104 while (park_index >= 0 && dcs->getParkingName(park_index) != parking) park_index--;
105 if (park_index < 0) {
106 SG_LOG( SG_GENERAL, SG_ALERT,
107 "Failed to find parking position " << parking <<
108 " at airport " << airport );
110 if (parking.empty() || (park_index < 0)) {
111 controller = apt->getDynamics()->getTowerController();
112 int stationFreq = apt->getDynamics()->getTowerFrequency(2);
113 cerr << "Setting radio frequency to in airfrequency: " << stationFreq << endl;
114 fgSetDouble("/instrumentation/comm[0]/frequencies/selected-mhz", ((double) stationFreq / 100.0));
116 string fltType = "ga";
117 fp->createTakeOff(&ai_ac, false, apt, 0, fltType);
119 controller = apt->getDynamics()->getStartupController();
120 int stationFreq = apt->getDynamics()->getGroundFrequency(2);
121 cerr << "Setting radio frequency to : " << stationFreq << endl;
122 fgSetDouble("/instrumentation/comm[0]/frequencies/selected-mhz", ((double) stationFreq / 100.0));
124 //double, lat, lon, head; // Unused variables;
125 //int getId = apt->getDynamics()->getParking(gateId, &lat, &lon, &head);
126 FGParking* parking = dcs->getParking(park_index);
127 aircraftRadius = parking->getRadius();
128 string fltType = parking->getType(); // gate / ramp, ga, etc etc.
129 string aircraftType; // Unused.
130 string airline; // Currently used for gate selection, but a fallback mechanism will apply when not specified.
131 fp->setGate(park_index);
132 fp->createPushBack(&ai_ac,
146 // Create an initial flightplan and assign it to the ai_ac. We won't use this flightplan, but it is necessary to
147 // keep the ATC code happy.
151 ai_ac.SetFlightPlan(fp);
153 controller->announcePosition(ai_ac.getID(), fp, fp->getCurrentWaypoint()->routeIndex,
154 ai_ac._getLatitude(), ai_ac._getLongitude(), heading, speed, altitude,
155 aircraftRadius, leg, &ai_ac);
161 void FGATCManager::addController(FGATCController *controller) {
162 activeStations.push_back(controller);
165 void FGATCManager::update ( double time ) {
166 //cerr << "ATC update code is running at time: " << time << endl;
167 currentATCDialog->update(time);
169 double longitude = fgGetDouble("/position/longitude-deg");
170 double latitude = fgGetDouble("/position/latitude-deg");
171 double heading = fgGetDouble("/orientation/heading-deg");
172 double speed = fgGetDouble("/velocities/groundspeed-kt");
173 double altitude = fgGetDouble("/position/altitude-ft");
175 cerr << "Running FGATCManager::update()" << endl;
176 controller->updateAircraftInformation(ai_ac.getID(),