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