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 "atc_mgr.hxx"
  33
  34
  35 FGATCManager::FGATCManager() {
  36
  37 }
  38
  39 FGATCManager::~FGATCManager() {
  40
  41 }
  42
  43 void FGATCManager::init() {
  44     SGSubsystem::init();
  45     currentATCDialog = new FGATCDialogNew;
  46     currentATCDialog->init();
  47
  48     int leg = 0;
  49
  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");
  59
  60
  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;
  70
  71
  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");
  77
  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");
  81
  82     FGScheduledFlight *flight =  new FGScheduledFlight;
  83     flight->setDepartureAirport(airport);
  84     flight->setArrivalAirport(airport);
  85     flight->initializeAirports();
  86     flight->setFlightRules("IFR");
  87     flight->setCallSign(callsign);
  88
  89     trafficRef->assign(flight);
  90     FGAIFlightPlan *fp = new FGAIFlightPlan;
  91     ai_ac.setTrafficRef(trafficRef);
  92
  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...
  97
  98
  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;
 103     if (onGround) {
 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 );
 109              }
 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));
 115             leg = 4;
 116             string fltType = "ga";
 117             fp->createTakeOff(&ai_ac, false, apt, 0, fltType);
 118         } else {
 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));
 123             leg = 2;
 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,
 133                                false,
 134                                apt,
 135                                latitude,
 136                                longitude,
 137                                aircraftRadius,
 138                                fltType,
 139                                aircraftType,
 140                                airline);
 141          }
 142      } else {
 143         controller = 0;
 144      }
 145
 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.
 148
 149
 150     fp->restart();
 151     ai_ac.SetFlightPlan(fp);
 152     if (controller) {
 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);
 156
 157     //dialog.init();
 158    }
 159 }
 160
 161 void FGATCManager::addController(FGATCController *controller) {
 162     activeStations.push_back(controller);
 163 }
 164
 165 void FGATCManager::update ( double time ) {
 166     //cerr << "ATC update code is running at time: " << time << endl;
 167     currentATCDialog->update(time);
 168     if (controller) {
 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");
 174
 175         cerr << "Running FGATCManager::update()" << endl;
 176         controller->updateAircraftInformation(ai_ac.getID(),
 177                                               latitude,
 178                                               longitude,
 179                                               heading,
 180                                               speed,
 181                                               altitude, time);
 182     }
 183 }