Merge branch 'next' of gitorious.org:fg/flightgear into next
[fg:flightgear.git] / src / ATC / atc_mgr.cxx
1 /******************************************************************************
2  * atc_mgr.cxx
3  * Written by Durk Talsma, started August 1, 2010.
4  *
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.
9  *
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.
14  *
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.
18  *
19  *
20  **************************************************************************/
21
22
23 #ifdef HAVE_CONFIG_H
24 #  include "config.h"
25 #endif
26
27 #include <iostream>
28
29 #include <simgear/math/SGMath.hxx>
30 #include <Airports/dynamics.hxx>
31 #include <Airports/simple.hxx>
32 #include <Scenery/scenery.hxx>
33 #include "atc_mgr.hxx"
34
35
36 FGATCManager::FGATCManager() {
37     controller = 0;
38     prevController = 0;
39     networkVisible = false;
40     initSucceeded  = false;
41 }
42
43 FGATCManager::~FGATCManager() {
44
45 }
46
47 void FGATCManager::init() {
48     SGSubsystem::init();
49
50     int leg = 0;
51
52     // find a reasonable controller for our user's aircraft..
53     // Let's start by working out the following three scenarios: 
54     // Starting on ground at a parking position
55     // Starting on ground at the runway.
56     // Starting in the Air
57     bool onGround  = fgGetBool("/sim/presets/onground");
58     string runway  = fgGetString("/sim/atc/runway");
59     string airport = fgGetString("/sim/presets/airport-id");
60     string parking = fgGetString("/sim/presets/parkpos");
61     
62
63     // Create an (invisible) AIAircraft represenation of the current
64     // Users, aircraft, that mimicks the user aircraft's behavior.
65     string callsign= fgGetString("/sim/multiplay/callsign");
66     double longitude = fgGetDouble("/position/longitude-deg");
67     double latitude  = fgGetDouble("/position/latitude-deg");
68     double altitude  = fgGetDouble("/position/altitude-ft");
69     double heading   = fgGetDouble("/orientation/heading-deg");
70     double speed     = fgGetDouble("/velocities/groundspeed-kt");
71     double aircraftRadius = 40; // note that this is currently hardcoded to a one-size-fits all JumboJet value. Should change later;
72
73
74     ai_ac.setCallSign ( callsign  );
75     ai_ac.setLongitude( longitude );
76     ai_ac.setLatitude ( latitude  );
77     ai_ac.setAltitude ( altitude  );
78     ai_ac.setPerformance("jet_transport");
79
80     // NEXT UP: Create a traffic Schedule and fill that with appropriate information. This we can use to flight planning.
81     // Note that these are currently only defaults. 
82     FGAISchedule *trafficRef = new FGAISchedule;
83     trafficRef->setFlightType("gate");
84
85     FGScheduledFlight *flight =  new FGScheduledFlight;
86     flight->setDepartureAirport(airport);
87     flight->setArrivalAirport(airport);
88     flight->initializeAirports();
89     flight->setFlightRules("IFR");
90     flight->setCallSign(callsign);
91     
92     trafficRef->assign(flight);
93     FGAIFlightPlan *fp = 0; 
94     ai_ac.setTrafficRef(trafficRef);
95     
96     string flightPlanName = airport + "-" + airport + ".xml";
97     double cruiseAlt = 100; // Doesn't really matter right now.
98     double courseToDest = 180; // Just use something neutral; this value might affect the runway that is used though...
99     time_t deptime = 0;        // just make sure how flightplan processing is affected by this...
100
101
102     FGAirport *apt = FGAirport::findByIdent(airport); 
103     if (apt && onGround) {
104         FGAirportDynamics* dcs = apt->getDynamics();
105         int park_index = dcs->getNrOfParkings() - 1;
106         //cerr << "found information: " << runway << " " << airport << ": parking = " << parking << endl;
107         fp = new FGAIFlightPlan;
108         while (park_index >= 0 && dcs->getParkingName(park_index) != parking) park_index--;
109             if (park_index < 0) {
110                   SG_LOG( SG_GENERAL, SG_ALERT,
111                         "Failed to find parking position " << parking <<
112                         " at airport " << airport << " at " << SG_ORIGIN);
113             }
114         if (parking.empty() || (park_index < 0)) {
115             controller = apt->getDynamics()->getTowerController();
116             int stationFreq = apt->getDynamics()->getTowerFrequency(2);
117             //cerr << "Setting radio frequency to in airfrequency: " << stationFreq << endl;
118             fgSetDouble("/instrumentation/comm[0]/frequencies/selected-mhz", ((double) stationFreq / 100.0));
119             leg = 3;
120             string fltType = "ga";
121             fp->setRunway(runway);
122             fp->createTakeOff(&ai_ac, false, apt, 0, fltType);
123             ai_ac.setTakeOffStatus(2);
124         } else {
125             controller = apt->getDynamics()->getStartupController();
126             int stationFreq = apt->getDynamics()->getGroundFrequency(1);
127             //cerr << "Setting radio frequency to : " << stationFreq << endl;
128             fgSetDouble("/instrumentation/comm[0]/frequencies/selected-mhz", ((double) stationFreq / 100.0));
129             leg = 1;
130             //double, lat, lon, head; // Unused variables;
131             //int getId = apt->getDynamics()->getParking(gateId, &lat, &lon, &head);
132             FGParking* parking = dcs->getParking(park_index);
133             aircraftRadius = parking->getRadius();
134             string fltType = parking->getType(); // gate / ramp, ga, etc etc. 
135             string aircraftType; // Unused.
136             string airline;      // Currently used for gate selection, but a fallback mechanism will apply when not specified.
137             fp->setGate(park_index);
138             if (!(fp->createPushBack(&ai_ac,
139                                false, 
140                                apt, 
141                                latitude,
142                                longitude,
143                                aircraftRadius,
144                                fltType,
145                                aircraftType,
146                                airline))) {
147                 controller = 0;
148                 return;
149             }
150
151         }
152         fp->getLastWaypoint()->setName( fp->getLastWaypoint()->getName() + string("legend")); 
153      } else {
154         controller = 0;
155      }
156
157     // Create an initial flightplan and assign it to the ai_ac. We won't use this flightplan, but it is necessary to
158     // keep the ATC code happy. 
159     if (fp) {
160         fp->restart();
161         fp->setLeg(leg);
162         ai_ac.SetFlightPlan(fp);
163     }
164     if (controller) {
165         controller->announcePosition(ai_ac.getID(), fp, fp->getCurrentWaypoint()->getRouteIndex(),
166                                       ai_ac._getLatitude(), ai_ac._getLongitude(), heading, speed, altitude,
167                                       aircraftRadius, leg, &ai_ac);
168
169     //dialog.init();
170
171    //osg::Node* node = apt->getDynamics()->getGroundNetwork()->getRenderNode();
172    //cerr << "Adding groundnetWork to the scenegraph::init" << endl;
173    //globals->get_scenery()->get_scene_graph()->addChild(node);
174    }
175    initSucceeded = true;
176 }
177
178 void FGATCManager::addController(FGATCController *controller) {
179     activeStations.push_back(controller);
180 }
181
182 void FGATCManager::update ( double time ) {
183     //cerr << "ATC update code is running at time: " << time << endl;
184     // Test code: let my virtual co-pilot handle ATC:
185    
186     
187
188     FGAIFlightPlan *fp = ai_ac.GetFlightPlan();
189         
190     /* test code : find out how the routing develops */
191     if (fp) {
192         int size = fp->getNrOfWayPoints();
193     //    //cerr << "Setting pos" << pos << " ";
194     //    //cerr << "setting intentions " ;
195         for (int i = 0; i < size; i++) {
196     //        int val = fp->getRouteIndex(i);
197             //cerr << fp->getWayPoint(i)->getName() << " ";
198             //if ((val) && (val != pos)) {
199                 //intentions.push_back(val);
200                 //cerr << "[done ] " << endl;
201             //}
202         }
203     }
204     //cerr << "[done ] " << endl;
205     if (fp) {
206         //cerr << "Currently at leg : " << fp->getLeg() << endl;
207     }
208     double longitude = fgGetDouble("/position/longitude-deg");
209     double latitude  = fgGetDouble("/position/latitude-deg");
210     double heading   = fgGetDouble("/orientation/heading-deg");
211     double speed     = fgGetDouble("/velocities/groundspeed-kt");
212     double altitude  = fgGetDouble("/position/altitude-ft");
213     ai_ac.setLatitude(latitude);
214     ai_ac.setLongitude(longitude);
215     ai_ac.setAltitude(altitude);
216     ai_ac.setHeading(heading);
217     ai_ac.setSpeed(speed);
218     ai_ac.update(time);
219     controller = ai_ac.getATCController();
220     FGATCDialogNew::instance()->update(time);
221     if (controller) {
222        //cerr << "name of previous waypoint : " << fp->getPreviousWaypoint()->getName() << endl;
223
224         //cerr << "Running FGATCManager::update()" << endl;
225         //cerr << "Currently under control of " << controller->getName() << endl;
226         controller->updateAircraftInformation(ai_ac.getID(),
227                                               latitude,
228                                               longitude,
229                                               heading,
230                                               speed,
231                                               altitude, time);
232         //string airport = fgGetString("/sim/presets/airport-id");
233         //FGAirport *apt = FGAirport::findByIdent(airport); 
234         // AT this stage we should update the flightplan, so that waypoint incrementing is conducted as well as leg loading. 
235        static SGPropertyNode_ptr trans_num = globals->get_props()->getNode("/sim/atc/transmission-num", true);
236             int n = trans_num->getIntValue();
237         if (n == 1) {
238             //cerr << "Toggling ground network visibility " << networkVisible << endl;
239             networkVisible = !networkVisible;
240             trans_num->setIntValue(-1);
241         }
242         if ((controller != prevController) && (prevController)) {
243             prevController->render(false);
244         }
245         controller->render(networkVisible);
246
247         //cerr << "Adding groundnetWork to the scenegraph::update" << endl;
248         prevController = controller;
249    }
250    for (AtcVecIterator atc = activeStations.begin(); atc != activeStations.end(); atc++) {
251        (*atc)->update(time);
252    }
253 }