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 }
  41
  42 FGATCManager::~FGATCManager() {
  43
  44 }
  45
  46 void FGATCManager::init() {
  47     SGSubsystem::init();
  48     currentATCDialog = new FGATCDialogNew;
  49     currentATCDialog->init();
  50
  51     int leg = 0;
  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) {
 105         FGAirportDynamics* dcs = apt->getDynamics();
 106         int park_index = dcs->getNrOfParkings() - 1;
 107         //cerr << "found information: " << runway << " " << airport << ": parking = " << parking << endl;
 108         fp = new FGAIFlightPlan;
 109         while (park_index >= 0 && dcs->getParkingName(park_index) != parking) park_index--;
 110             if (park_index < 0) {
 111                   SG_LOG( SG_GENERAL, SG_ALERT,
 112                         "Failed to find parking position " << parking <<
 113                         " at airport " << airport );
 114             }
 115         if (parking.empty() || (park_index < 0)) {
 116             controller = apt->getDynamics()->getTowerController();
 117             int stationFreq = apt->getDynamics()->getTowerFrequency(2);
 118             //cerr << "Setting radio frequency to in airfrequency: " << stationFreq << endl;
 119             fgSetDouble("/instrumentation/comm[0]/frequencies/selected-mhz", ((double) stationFreq / 100.0));
 120             leg = 3;
 121             string fltType = "ga";
 122             fp->setRunway(runway);
 123             fp->createTakeOff(&ai_ac, false, apt, 0, fltType);
 124             ai_ac.setTakeOffStatus(2);
 125         } else {
 126             controller = apt->getDynamics()->getStartupController();
 127             int stationFreq = apt->getDynamics()->getGroundFrequency(1);
 128             //cerr << "Setting radio frequency to : " << stationFreq << endl;
 129             fgSetDouble("/instrumentation/comm[0]/frequencies/selected-mhz", ((double) stationFreq / 100.0));
 130             leg = 1;
 131             //double, lat, lon, head; // Unused variables;
 132             //int getId = apt->getDynamics()->getParking(gateId, &lat, &lon, &head);
 133             FGParking* parking = dcs->getParking(park_index);
 134             aircraftRadius = parking->getRadius();
 135             string fltType = parking->getType(); // gate / ramp, ga, etc etc.
 136             string aircraftType; // Unused.
 137             string airline;      // Currently used for gate selection, but a fallback mechanism will apply when not specified.
 138             fp->setGate(park_index);
 139             fp->createPushBack(&ai_ac,
 140                                false,
 141                                apt,
 142                                latitude,
 143                                longitude,
 144                                aircraftRadius,
 145                                fltType,
 146                                aircraftType,
 147                                airline);
 148
 149         }
 150         fp->getLastWaypoint()->setName( fp->getLastWaypoint()->getName() + string("legend"));
 151      } else {
 152         controller = 0;
 153      }
 154
 155     // Create an initial flightplan and assign it to the ai_ac. We won't use this flightplan, but it is necessary to
 156     // keep the ATC code happy.
 157     if (fp) {
 158         fp->restart();
 159         fp->setLeg(leg);
 160         ai_ac.SetFlightPlan(fp);
 161     }
 162     if (controller) {
 163         controller->announcePosition(ai_ac.getID(), fp, fp->getCurrentWaypoint()->getRouteIndex(),
 164                                       ai_ac._getLatitude(), ai_ac._getLongitude(), heading, speed, altitude,
 165                                       aircraftRadius, leg, &ai_ac);
 166
 167     //dialog.init();
 168
 169    //osg::Node* node = apt->getDynamics()->getGroundNetwork()->getRenderNode();
 170    //cerr << "Adding groundnetWork to the scenegraph::init" << endl;
 171    //globals->get_scenery()->get_scene_graph()->addChild(node);
 172    }
 173 }
 174
 175 void FGATCManager::addController(FGATCController *controller) {
 176     activeStations.push_back(controller);
 177 }
 178
 179 void FGATCManager::update ( double time ) {
 180     //cerr << "ATC update code is running at time: " << time << endl;
 181     // Test code: let my virtual co-pilot handle ATC:
 182
 183
 184
 185     FGAIFlightPlan *fp = ai_ac.GetFlightPlan();
 186
 187     /* test code : find out how the routing develops */
 188     if (fp) {
 189         int size = fp->getNrOfWayPoints();
 190     //    //cerr << "Setting pos" << pos << " ";
 191     //    //cerr << "setting intentions " ;
 192         for (int i = 0; i < size; i++) {
 193     //        int val = fp->getRouteIndex(i);
 194             //cerr << fp->getWayPoint(i)->getName() << " ";
 195             //if ((val) && (val != pos)) {
 196                 //intentions.push_back(val);
 197                 //cerr << "[done ] " << endl;
 198             //}
 199         }
 200     }
 201     //cerr << "[done ] " << endl;
 202     if (fp) {
 203         //cerr << "Currently at leg : " << fp->getLeg() << endl;
 204     }
 205     double longitude = fgGetDouble("/position/longitude-deg");
 206     double latitude  = fgGetDouble("/position/latitude-deg");
 207     double heading   = fgGetDouble("/orientation/heading-deg");
 208     double speed     = fgGetDouble("/velocities/groundspeed-kt");
 209     double altitude  = fgGetDouble("/position/altitude-ft");
 210     ai_ac.setLatitude(latitude);
 211     ai_ac.setLongitude(longitude);
 212     ai_ac.setAltitude(altitude);
 213     ai_ac.setHeading(heading);
 214     ai_ac.setSpeed(speed);
 215     ai_ac.update(time);
 216     controller = ai_ac.getATCController();
 217     currentATCDialog->update(time);
 218     if (controller) {
 219        //cerr << "name of previous waypoint : " << fp->getPreviousWaypoint()->getName() << endl;
 220
 221         //cerr << "Running FGATCManager::update()" << endl;
 222         //cerr << "Currently under control of " << controller->getName() << endl;
 223         controller->updateAircraftInformation(ai_ac.getID(),
 224                                               latitude,
 225                                               longitude,
 226                                               heading,
 227                                               speed,
 228                                               altitude, time);
 229         //string airport = fgGetString("/sim/presets/airport-id");
 230         //FGAirport *apt = FGAirport::findByIdent(airport);
 231         // AT this stage we should update the flightplan, so that waypoint incrementing is conducted as well as leg loading.
 232        static SGPropertyNode_ptr trans_num = globals->get_props()->getNode("/sim/atc/transmission-num", true);
 233             int n = trans_num->getIntValue();
 234         if (n == 1) {
 235             //cerr << "Toggling ground network visibility " << networkVisible << endl;
 236             networkVisible = !networkVisible;
 237             trans_num->setIntValue(-1);
 238         }
 239         if ((controller != prevController) && (prevController)) {
 240             prevController->render(false);
 241         }
 242         controller->render(networkVisible);
 243
 244         //cerr << "Adding groundnetWork to the scenegraph::update" << endl;
 245         prevController = controller;
 246    }
 247    //globals->get_scenery()->get_scene_graph()->addChild(node);
 248 }