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 <Airports/dynamics.hxx>
  30 #include <Airports/airport.hxx>
  31 #include <Scenery/scenery.hxx>
  32 #include "atc_mgr.hxx"
  33
  34
  35 FGATCManager::FGATCManager() {
  36     controller = 0;
  37     prevController = 0;
  38     networkVisible = false;
  39     initSucceeded  = false;
  40 }
  41
  42 FGATCManager::~FGATCManager() {
  43
  44 }
  45
  46 void FGATCManager::init() {
  47     SGSubsystem::init();
  48
  49     int leg = 0;
  50
  51     trans_num = globals->get_props()->getNode("/sim/atc/transmission-num", true);
  52
  53     // find a reasonable controller for our user's aircraft..
  54     // Let's start by working out the following three scenarios:
  55     // Starting on ground at a parking position
  56     // Starting on ground at the runway.
  57     // Starting in the Air
  58     bool onGround  = fgGetBool("/sim/presets/onground");
  59     string runway  = fgGetString("/sim/atc/runway");
  60     string airport = fgGetString("/sim/presets/airport-id");
  61     string parking = fgGetString("/sim/presets/parkpos");
  62
  63
  64     // Create an (invisible) AIAircraft represenation of the current
  65     // Users, aircraft, that mimicks the user aircraft's behavior.
  66     string callsign= fgGetString("/sim/multiplay/callsign");
  67     double longitude = fgGetDouble("/position/longitude-deg");
  68     double latitude  = fgGetDouble("/position/latitude-deg");
  69     double altitude  = fgGetDouble("/position/altitude-ft");
  70     double heading   = fgGetDouble("/orientation/heading-deg");
  71     double speed     = fgGetDouble("/velocities/groundspeed-kt");
  72     double aircraftRadius = 40; // note that this is currently hardcoded to a one-size-fits all JumboJet value. Should change later;
  73
  74
  75     ai_ac.setCallSign ( callsign  );
  76     ai_ac.setLongitude( longitude );
  77     ai_ac.setLatitude ( latitude  );
  78     ai_ac.setAltitude ( altitude  );
  79     ai_ac.setPerformance("", "jet_transport");
  80
  81     // NEXT UP: Create a traffic Schedule and fill that with appropriate information. This we can use to flight planning.
  82     // Note that these are currently only defaults.
  83     FGAISchedule *trafficRef = new FGAISchedule;
  84     trafficRef->setFlightType("gate");
  85
  86     FGScheduledFlight *flight =  new FGScheduledFlight;
  87     flight->setDepartureAirport(airport);
  88     flight->setArrivalAirport(airport);
  89     flight->initializeAirports();
  90     flight->setFlightRules("IFR");
  91     flight->setCallSign(callsign);
  92
  93     trafficRef->assign(flight);
  94     FGAIFlightPlan *fp = 0;
  95     ai_ac.setTrafficRef(trafficRef);
  96
  97     string flightPlanName = airport + "-" + airport + ".xml";
  98     //double cruiseAlt = 100; // Doesn't really matter right now.
  99     //double courseToDest = 180; // Just use something neutral; this value might affect the runway that is used though...
 100     //time_t deptime = 0;        // just make sure how flightplan processing is affected by this...
 101
 102
 103     FGAirport *apt = FGAirport::findByIdent(airport);
 104     if (apt && onGround) {// && !runway.empty()) {
 105         FGAirportDynamics* dcs = apt->getDynamics();
 106         ParkingAssignment pk(dcs->getParkingByName(parking));
 107
 108         // No valid parking location, so either at the runway or at a random location.
 109         if (pk.isValid()) {
 110             fp = new FGAIFlightPlan;
 111             controller = apt->getDynamics()->getStartupController();
 112             int stationFreq = apt->getDynamics()->getGroundFrequency(1);
 113             if (stationFreq > 0)
 114             {
 115                 //cerr << "Setting radio frequency to : " << stationFreq << endl;
 116                 fgSetDouble("/instrumentation/comm[0]/frequencies/selected-mhz", ((double) stationFreq / 100.0));
 117             }
 118             leg = 1;
 119             //double, lat, lon, head; // Unused variables;
 120             //int getId = apt->getDynamics()->getParking(gateId, &lat, &lon, &head);
 121             aircraftRadius = pk.parking()->getRadius();
 122             string fltType = pk.parking()->getType(); // gate / ramp, ga, etc etc.
 123             string aircraftType; // Unused.
 124             string airline;      // Currently used for gate selection, but a fallback mechanism will apply when not specified.
 125             fp->setGate(pk);
 126             if (!(fp->createPushBack(&ai_ac,
 127                                      false,
 128                                      apt,
 129                                      aircraftRadius,
 130                                      fltType,
 131                                      aircraftType,
 132                                      airline))) {
 133                 controller = 0;
 134                 return;
 135             }
 136
 137
 138
 139         } else if (!runway.empty()) {
 140             controller = apt->getDynamics()->getTowerController();
 141             int stationFreq = apt->getDynamics()->getTowerFrequency(2);
 142             if (stationFreq > 0)
 143             {
 144                 //cerr << "Setting radio frequency to in airfrequency: " << stationFreq << endl;
 145                 fgSetDouble("/instrumentation/comm[0]/frequencies/selected-mhz", ((double) stationFreq / 100.0));
 146             }
 147             fp = new FGAIFlightPlan;
 148             leg = 3;
 149             string fltType = "ga";
 150             fp->setRunway(runway);
 151             fp->createTakeOff(&ai_ac, false, apt, 0, fltType);
 152             ai_ac.setTakeOffStatus(2);
 153         } else {
 154                 // We're on the ground somewhere. Handle this case later.
 155         }
 156
 157         if (fp) {
 158             fp->getLastWaypoint()->setName( fp->getLastWaypoint()->getName() + string("legend"));
 159         }
 160      } else {
 161         controller = 0;
 162      }
 163
 164     // Create an initial flightplan and assign it to the ai_ac. We won't use this flightplan, but it is necessary to
 165     // keep the ATC code happy.
 166     if (fp) {
 167         fp->restart();
 168         fp->setLeg(leg);
 169         ai_ac.SetFlightPlan(fp);
 170     }
 171     if (controller) {
 172         controller->announcePosition(ai_ac.getID(), fp, fp->getCurrentWaypoint()->getRouteIndex(),
 173                                       ai_ac._getLatitude(), ai_ac._getLongitude(), heading, speed, altitude,
 174                                       aircraftRadius, leg, &ai_ac);
 175
 176     //dialog.init();
 177
 178    //osg::Node* node = apt->getDynamics()->getGroundNetwork()->getRenderNode();
 179    //cerr << "Adding groundnetWork to the scenegraph::init" << endl;
 180    //globals->get_scenery()->get_scene_graph()->addChild(node);
 181    }
 182    initSucceeded = true;
 183 }
 184
 185 void FGATCManager::addController(FGATCController *controller) {
 186     activeStations.push_back(controller);
 187 }
 188
 189 void FGATCManager::update ( double time ) {
 190     //cerr << "ATC update code is running at time: " << time << endl;
 191     // Test code: let my virtual co-pilot handle ATC:
 192
 193
 194
 195     FGAIFlightPlan *fp = ai_ac.GetFlightPlan();
 196
 197     /* test code : find out how the routing develops */
 198     if (fp) {
 199         int size = fp->getNrOfWayPoints();
 200         //cerr << "Setting pos" << pos << " ";
 201         //cerr << "setting intentions " ;
 202         // This indicates that we have run out of waypoints: Im future versions, the
 203         // user should be able to select a new route, but for now just shut down the
 204         // system.
 205         if (size < 3) {
 206             //cerr << "Shutting down the atc_mgr" << endl;
 207             return;
 208         }
 209         //cerr << "Size of waypoint cue " << size << " ";
 210         //for (int i = 0; i < size; i++) {
 211         //    int val = fp->getRouteIndex(i);
 212             //cerr << fp->getWayPoint(i)->getName() << " ";
 213             //if ((val) && (val != pos)) {
 214                 //intentions.push_back(val);
 215                 //cerr << "[done ] " << endl;
 216             //}
 217         //}
 218         //cerr << "[done ] " << endl;
 219     }
 220     if (fp) {
 221         //cerr << "Currently at leg : " << fp->getLeg() << endl;
 222     }
 223     double longitude = fgGetDouble("/position/longitude-deg");
 224     double latitude  = fgGetDouble("/position/latitude-deg");
 225     double heading   = fgGetDouble("/orientation/heading-deg");
 226     double speed     = fgGetDouble("/velocities/groundspeed-kt");
 227     double altitude  = fgGetDouble("/position/altitude-ft");
 228
 229     /*
 230     SGGeod me(SGGeod::fromDegM(longitude,
 231                                latitude,
 232                                altitude));
 233     SGGeod wpt1(SGGeod::fromDegM(fp->getWayPoint(1)->getLongitude(),
 234                                 fp->getWayPoint(1)->getLatitude(),
 235                                 fp->getWayPoint(1)->getAltitude()));
 236     SGGeod wpt2(SGGeod::fromDegM(fp->getWayPoint(1)->getLongitude(),
 237                                 fp->getWayPoint(1)->getLatitude(),
 238                                 fp->getWayPoint(1)->getAltitude()));
 239
 240     double course1, az1, dist1;
 241     double course2, az2, dist2;
 242     SGGeodesy::inverse(me, wpt1, course1, az1, dist1);
 243
 244     cerr << "Bearing to nearest waypoint : " << course1 << " " << dist1 << ". (course " << course2 << ")." <<  endl;
 245     */
 246     ai_ac.setLatitude(latitude);
 247     ai_ac.setLongitude(longitude);
 248     ai_ac.setAltitude(altitude);
 249     ai_ac.setHeading(heading);
 250     ai_ac.setSpeed(speed);
 251     ai_ac.update(time);
 252     controller = ai_ac.getATCController();
 253     FGATCDialogNew::instance()->update(time);
 254     if (controller) {
 255        //cerr << "name of previous waypoint : " << fp->getPreviousWaypoint()->getName() << endl;
 256
 257         //cerr << "Running FGATCManager::update()" << endl;
 258         //cerr << "Currently under control of " << controller->getName() << endl;
 259         controller->updateAircraftInformation(ai_ac.getID(),
 260                                               latitude,
 261                                               longitude,
 262                                               heading,
 263                                               speed,
 264                                               altitude, time);
 265         //string airport = fgGetString("/sim/presets/airport-id");
 266         //FGAirport *apt = FGAirport::findByIdent(airport);
 267         // AT this stage we should update the flightplan, so that waypoint incrementing is conducted as well as leg loading.
 268         int n = trans_num->getIntValue();
 269         if (n == 1) {
 270             //cerr << "Toggling ground network visibility " << networkVisible << endl;
 271             networkVisible = !networkVisible;
 272             trans_num->setIntValue(-1);
 273         }
 274         if ((controller != prevController) && (prevController)) {
 275             prevController->render(false);
 276         }
 277         controller->render(networkVisible);
 278
 279         //cerr << "Adding groundnetWork to the scenegraph::update" << endl;
 280         prevController = controller;
 281    }
 282    for (AtcVecIterator atc = activeStations.begin(); atc != activeStations.end(); atc++) {
 283        (*atc)->update(time);
 284    }
 285 }