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     FGAIFlightPlan *fp = new FGAIFlightPlan;
  81
  82     string flightPlanName = airport + "-" + airport + ".xml";
  83     double cruiseAlt = 100; // Doesn't really matter right now.
  84     double courseToDest = 180; // Just use something neutral; this value might affect the runway that is used though...
  85     time_t deptime = 0;        // just make sure how flightplan processing is affected by this...
  86
  87
  88     FGAirport *apt = FGAirport::findByIdent(airport);
  89     FGAirportDynamics* dcs = apt->getDynamics();
  90     int park_index = dcs->getNrOfParkings() - 1;
  91     cerr << "found information: " << runway << " " << airport << ": parking = " << parking << endl;
  92     if (onGround) {
  93         while (park_index >= 0 && dcs->getParkingName(park_index) != parking) park_index--;
  94             if (park_index < 0) {
  95                   SG_LOG( SG_GENERAL, SG_ALERT,
  96                           "Failed to find parking position " << parking <<
  97                            " at airport " << airport );
  98              }
  99         if (parking.empty() || (park_index < 0)) {
 100             controller = apt->getDynamics()->getTowerController();
 101             int stationFreq = apt->getDynamics()->getTowerFrequency(2);
 102             cerr << "Setting radio frequency to in airfrequency: " << stationFreq << endl;
 103             fgSetDouble("/instrumentation/comm[0]/frequencies/selected-mhz", ((double) stationFreq / 100.0));
 104             leg = 4;
 105             string fltType = "ga";
 106             fp->createTakeOff(&ai_ac, false, apt, 0, fltType);
 107         } else {
 108             controller = apt->getDynamics()->getGroundNetwork();
 109             int stationFreq = apt->getDynamics()->getGroundFrequency(2);
 110             cerr << "Setting radio frequency to : " << stationFreq << endl;
 111             fgSetDouble("/instrumentation/comm[0]/frequencies/selected-mhz", ((double) stationFreq / 100.0));
 112             leg = 2;
 113             //double, lat, lon, head; // Unused variables;
 114             //int getId = apt->getDynamics()->getParking(gateId, &lat, &lon, &head);
 115             FGParking* parking = dcs->getParking(park_index);
 116             aircraftRadius = parking->getRadius();
 117             string fltType = parking->getType(); // gate / ramp, ga, etc etc.
 118             string aircraftType; // Unused.
 119             string airline;      // Currently used for gate selection, but a fallback mechanism will apply when not specified.
 120             fp->setGate(park_index);
 121             fp->createPushBack(&ai_ac,
 122                                false,
 123                                apt,
 124                                latitude,
 125                                longitude,
 126                                aircraftRadius,
 127                                fltType,
 128                                aircraftType,
 129                                airline);
 130          }
 131      } else {
 132         controller = 0;
 133      }
 134
 135     // Create an initial flightplan and assign it to the ai_ac. We won't use this flightplan, but it is necessary to
 136     // keep the ATC code happy.
 137
 138
 139     fp->restart();
 140     ai_ac.SetFlightPlan(fp);
 141     if (controller) {
 142         controller->announcePosition(ai_ac.getID(), fp, fp->getCurrentWaypoint()->routeIndex,
 143                                       ai_ac._getLatitude(), ai_ac._getLongitude(), heading, speed, altitude,
 144                                       aircraftRadius, leg, &ai_ac);
 145
 146     //dialog.init();
 147    }
 148 }
 149
 150 void FGATCManager::addController(FGATCController *controller) {
 151     activeStations.push_back(controller);
 152 }
 153
 154
 155
 156 void FGATCManager::update ( double time ) {
 157     //cerr << "ATC update code is running at time: " << time << endl;
 158    currentATCDialog->update(time);
 159
 160
 161 }