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
  33 #include "atc_mgr.hxx"
  34
  35
  36 FGATCManager::FGATCManager() {
  37
  38 }
  39
  40 FGATCManager::~FGATCManager() {
  41
  42 }
  43
  44 void FGATCManager::init() {
  45     SGSubsystem::init();
  46     currentATCDialog = new FGATCDialogNew;
  47     currentATCDialog->init();
  48
  49     int leg = 0;
  50
  51     // find a reasonable controller for our user's aircraft..
  52     // Let's start by working out the following three scenarios:
  53     // Starting on ground at a parking position
  54     // Starting on ground at the runway.
  55     // Starting in the Air
  56     bool onGround  = fgGetBool("/sim/presets/onground");
  57     string runway  = fgGetString("/sim/atc/runway");
  58     string airport = fgGetString("/sim/presets/airport-id");
  59     string parking = fgGetString("/sim/presets/parkpos");
  60
  61
  62     // Create an (invisible) AIAircraft represenation of the current
  63     // Users, aircraft, that mimicks the user aircraft's behavior.
  64     string callsign= fgGetString("/sim/multiplay/callsign");
  65     double longitude = fgGetDouble("/position/longitude-deg");
  66     double latitude  = fgGetDouble("/position/latitude-deg");
  67     double altitude  = fgGetDouble("/position/altitude-ft");
  68     double heading   = fgGetDouble("/orientation/heading-deg");
  69     double speed     = fgGetDouble("/velocities/groundspeed-kt");
  70     double aircraftRadius = 40; // note that this is currently hardcoded to a one-size-fits all JumboJet value. Should change later;
  71
  72     // Next,
  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 plannign.
  81
  82     FGAIFlightPlan *fp = new FGAIFlightPlan;
  83
  84     string flightPlanName = airport + "-" + airport + ".xml";
  85     double cruiseAlt = 100; // Doesn't really matter right now.
  86     double courseToDest = 180; // Just use something neutral; this value might affect the runway that is used though...
  87     time_t deptime = 0;        // just make sure how flightplan processing is affected by this...
  88
  89
  90     FGAirport *apt = FGAirport::findByIdent(airport);
  91     FGAirportDynamics* dcs = apt->getDynamics();
  92     int park_index = dcs->getNrOfParkings() - 1;
  93     cerr << "found information: " << runway << " " << airport << ": parking = " << parking << endl;
  94     if (onGround) {
  95         while (park_index >= 0 && dcs->getParkingName(park_index) != parking) park_index--;
  96             if (park_index < 0) {
  97                   SG_LOG( SG_GENERAL, SG_ALERT,
  98                           "Failed to find parking position " << parking <<
  99                            " at airport " << airport );
 100              }
 101         if (parking.empty() || (park_index < 0)) {
 102             controller = apt->getDynamics()->getTowerController();
 103             int stationFreq = apt->getDynamics()->getTowerFrequency(2);
 104             cerr << "Setting radio frequency to in airfrequency: " << stationFreq << endl;
 105             fgSetDouble("/instrumentation/comm[0]/frequencies/selected-mhz", ((double) stationFreq / 100.0));
 106             leg = 4;
 107             string fltType = "ga";
 108             fp->createTakeOff(&ai_ac, false, apt, 0, fltType);
 109         } else {
 110             controller = apt->getDynamics()->getStartupController();
 111             int stationFreq = apt->getDynamics()->getGroundFrequency(2);
 112             cerr << "Setting radio frequency to : " << stationFreq << endl;
 113             fgSetDouble("/instrumentation/comm[0]/frequencies/selected-mhz", ((double) stationFreq / 100.0));
 114             leg = 2;
 115             //double, lat, lon, head; // Unused variables;
 116             //int getId = apt->getDynamics()->getParking(gateId, &lat, &lon, &head);
 117             FGParking* parking = dcs->getParking(park_index);
 118             aircraftRadius = parking->getRadius();
 119             string fltType = parking->getType(); // gate / ramp, ga, etc etc.
 120             string aircraftType; // Unused.
 121             string airline;      // Currently used for gate selection, but a fallback mechanism will apply when not specified.
 122             fp->setGate(park_index);
 123             fp->createPushBack(&ai_ac,
 124                                false,
 125                                apt,
 126                                latitude,
 127                                longitude,
 128                                aircraftRadius,
 129                                fltType,
 130                                aircraftType,
 131                                airline);
 132          }
 133      } else {
 134         controller = 0;
 135      }
 136
 137     // Create an initial flightplan and assign it to the ai_ac. We won't use this flightplan, but it is necessary to
 138     // keep the ATC code happy.
 139
 140
 141     fp->restart();
 142     ai_ac.SetFlightPlan(fp);
 143     if (controller) {
 144         controller->announcePosition(ai_ac.getID(), fp, fp->getCurrentWaypoint()->routeIndex,
 145                                       ai_ac._getLatitude(), ai_ac._getLongitude(), heading, speed, altitude,
 146                                       aircraftRadius, leg, &ai_ac);
 147
 148     //dialog.init();
 149    }
 150 }
 151
 152 void FGATCManager::addController(FGATCController *controller) {
 153     activeStations.push_back(controller);
 154 }
 155
 156 void FGATCManager::update ( double time ) {
 157     //cerr << "ATC update code is running at time: " << time << endl;
 158     currentATCDialog->update(time);
 159     if (controller) {
 160         double longitude = fgGetDouble("/position/longitude-deg");
 161         double latitude  = fgGetDouble("/position/latitude-deg");
 162         double heading   = fgGetDouble("/orientation/heading-deg");
 163         double speed     = fgGetDouble("/velocities/groundspeed-kt");
 164         double altitude  = fgGetDouble("/position/altitude-ft");
 165
 166         cerr << "Running FGATCManager::update()" << endl;
 167         controller->updateAircraftInformation(ai_ac.getID(),
 168                                               latitude,
 169                                               longitude,
 170                                               heading,
 171                                               speed,
 172                                               altitude, time);
 173     }
 174 }