src/ATC/ATCDialog.cxx

   1 // ATCDialog.cxx - Functions and classes to handle the pop-up ATC dialog
   2 //
   3 // Written by Alexander Kappes and David Luff, started February 2003.
   4 //
   5 // Copyright (C) 2003  Alexander Kappes and David Luff
   6 //
   7 // This program is free software; you can redistribute it and/or
   8 // modify it under the terms of the GNU General Public License as
   9 // published by the Free Software Foundation; either version 2 of the
  10 // License, or (at your option) any later version.
  11 //
  12 // This program is distributed in the hope that it will be useful, but
  13 // WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15 // General Public License for more details.
  16 //
  17 // You should have received a copy of the GNU General Public License
  18 // along with this program; if not, write to the Free Software
  19 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20
  21 #include <simgear/compiler.h>
  22
  23 #include <simgear/structure/commands.hxx>
  24
  25 #include <Main/globals.hxx>
  26 #include <GUI/gui.h>            // mkDialog
  27 #include <GUI/new_gui.hxx>
  28
  29 #include "ATCDialog.hxx"
  30 #include "ATC.hxx"
  31 #include "ATCmgr.hxx"
  32 #include "ATCdisplay.hxx"
  33 #include "commlist.hxx"
  34 #include "ATCutils.hxx"
  35 #include <Airports/simple.hxx>
  36
  37 #include <sstream>
  38 #include <map>
  39
  40 SG_USING_STD(ostringstream);
  41 SG_USING_STD(map);
  42
  43 FGATCDialog *current_atcdialog;
  44
  45 // For the command manager - maybe eventually this should go in the built in command list
  46 static bool do_ATC_dialog(const SGPropertyNode* arg) {
  47         current_atcdialog->PopupDialog();
  48         return(true);
  49 }
  50
  51 static bool do_ATC_freq_search(const SGPropertyNode* arg) {
  52         current_atcdialog->FreqDialog();
  53         return(true);
  54 }
  55
  56 ATCMenuEntry::ATCMenuEntry() {
  57   stationid    = "";
  58   //stationfr    = 0;
  59   transmission = "";
  60   menuentry    = "";
  61   callback_code = 0;
  62 }
  63
  64 ATCMenuEntry::~ATCMenuEntry() {
  65 }
  66
  67 static void atcUppercase(string &s) {
  68         for(unsigned int i=0; i<s.size(); ++i) {
  69                 s[i] = toupper(s[i]);
  70         }
  71 }
  72
  73 // find child whose <name>...</name> entry matches 'name'
  74 static SGPropertyNode *getNamedNode(SGPropertyNode *prop, const char *name) {
  75         SGPropertyNode* p;
  76
  77         for (int i = 0; i < prop->nChildren(); i++)
  78                 if ((p = getNamedNode(prop->getChild(i), name)))
  79                         return p;
  80
  81         if (!strcmp(prop->getStringValue("name"), name))
  82                 return prop;
  83
  84         return 0;
  85 }
  86
  87
  88 FGATCDialog::FGATCDialog() {
  89         _callbackPending = false;
  90         _callbackTimer = 0.0;
  91         _callbackWait = 0.0;
  92         _callbackPtr = NULL;
  93         _callbackCode = 0;
  94         _gui = (NewGUI *)globals->get_subsystem("gui");
  95 }
  96
  97 FGATCDialog::~FGATCDialog() {
  98 }
  99
 100 void FGATCDialog::Init() {
 101         // Add ATC-dialog to the command list
 102         globals->get_commands()->addCommand("ATC-dialog", do_ATC_dialog);
 103         // Add ATC-freq-search to the command list
 104         globals->get_commands()->addCommand("ATC-freq-search", do_ATC_freq_search);
 105
 106         // initialize properties polled in Update()
 107         globals->get_props()->setStringValue("/sim/atc/freq-airport", "");
 108         globals->get_props()->setIntValue("/sim/atc/transmission-num", -1);
 109 }
 110
 111 void FGATCDialog::Update(double dt) {
 112         static SGPropertyNode_ptr airport = globals->get_props()->getNode("/sim/atc/freq-airport", true);
 113         string s = airport->getStringValue();
 114         if (!s.empty()) {
 115                 airport->setStringValue("");
 116                 FreqDisplay(s);
 117         }
 118
 119         static SGPropertyNode_ptr trans_num = globals->get_props()->getNode("/sim/atc/transmission-num", true);
 120         int n = trans_num->getIntValue();
 121         if (n >= 0) {
 122                 trans_num->setIntValue(-1);
 123                 PopupCallback(n);
 124         }
 125
 126         if(_callbackPending) {
 127                 if(_callbackTimer > _callbackWait) {
 128                         _callbackPtr->ReceiveUserCallback(_callbackCode);
 129                         _callbackPtr->NotifyTransmissionFinished(fgGetString("/sim/user/callsign"));
 130                         _callbackPending = false;
 131                 } else {
 132                         _callbackTimer += dt;
 133                 }
 134         }
 135 }
 136
 137 // Add an entry
 138 void FGATCDialog::add_entry(const string& station, const string& transmission, const string& menutext, atc_type type, int code) {
 139
 140   ATCMenuEntry a;
 141
 142   a.stationid = station;
 143   a.transmission = transmission;
 144   a.menuentry = menutext;
 145   a.callback_code = code;
 146
 147   (available_dialog[type])[station.c_str()].push_back(a);
 148
 149 }
 150
 151 void FGATCDialog::remove_entry( const string &station, const string &trans, atc_type type ) {
 152   atcmentry_vec_type* p = &((available_dialog[type])[station]);
 153   atcmentry_vec_iterator current = p->begin();
 154   while(current != p->end()) {
 155     if(current->transmission == trans) current = p->erase(current);
 156         else ++current;
 157   }
 158 }
 159
 160 void FGATCDialog::remove_entry( const string &station, int code, atc_type type ) {
 161   atcmentry_vec_type* p = &((available_dialog[type])[station]);
 162   atcmentry_vec_iterator current = p->begin();
 163   while(current != p->end()) {
 164     if(current->callback_code == code) current = p->erase(current);
 165         else ++current;
 166   }
 167 }
 168
 169 // query the database whether the transmission is already registered;
 170 bool FGATCDialog::trans_reg( const string &station, const string &trans, atc_type type ) {
 171   atcmentry_vec_type* p = &((available_dialog[type])[station]);
 172   atcmentry_vec_iterator current = p->begin();
 173   for ( ; current != p->end() ; ++current ) {
 174     if ( current->transmission == trans ) return true;
 175   }
 176   return false;
 177 }
 178
 179 // query the database whether the transmission is already registered;
 180 bool FGATCDialog::trans_reg( const string &station, int code, atc_type type ) {
 181   atcmentry_vec_type* p = &((available_dialog[type])[station]);
 182   atcmentry_vec_iterator current = p->begin();
 183   for ( ; current != p->end() ; ++current ) {
 184     if ( current->callback_code == code ) return true;
 185   }
 186   return false;
 187 }
 188
 189 // Display the ATC popup dialog box with options relevant to the users current situation.
 190 void FGATCDialog::PopupDialog() {
 191         const char *dialog_name = "atc-dialog";
 192         SGPropertyNode_ptr dlg = _gui->getDialog(dialog_name);
 193         if (!dlg)
 194                 return;
 195
 196         _gui->closeDialog(dialog_name);
 197
 198         SGPropertyNode_ptr button_group = getNamedNode(dlg, "transmission-choice");
 199         // remove all transmission buttons
 200         button_group->removeChildren("button", false);
 201
 202         string label;
 203         FGATC* atcptr = globals->get_ATC_mgr()->GetComm1ATCPointer();   // Hardwired to comm1 at the moment
 204
 205         if (!atcptr) {
 206                 label = "Not currently tuned to any ATC service";
 207                 mkDialog(label.c_str());
 208                 return;
 209         }
 210
 211         if(atcptr->GetType() == ATIS) {
 212                 label = "Tuned to ATIS - no communication possible";
 213                 mkDialog(label.c_str());
 214                 return;
 215         }
 216
 217         atcmentry_vec_type atcmlist = (available_dialog[atcptr->GetType()])[atcptr->get_ident()];
 218         atcmentry_vec_iterator current = atcmlist.begin();
 219         atcmentry_vec_iterator last = atcmlist.end();
 220
 221         if(!atcmlist.size()) {
 222                 label = "No transmission available";
 223                 mkDialog(label.c_str());
 224                 return;
 225         }
 226
 227         const int bufsize = 32;
 228         char buf[bufsize];
 229         // loop over all entries in atcmentrylist
 230         for (int n = 0; n < 10; ++n) {
 231                 snprintf(buf, bufsize, "/sim/atc/opt[%d]", n);
 232                 fgSetBool(buf, false);
 233
 234                 if (current == last)
 235                         continue;
 236
 237                 // add transmission button (modified copy of <button-template>)
 238                 SGPropertyNode *entry = button_group->getNode("button", n, true);
 239                 copyProperties(button_group->getNode("button-template", true), entry);
 240                 entry->removeChildren("hide", false);
 241                 entry->setStringValue("property", buf);
 242                 if (n == 0)
 243                         entry->setBoolValue("default", true);
 244
 245                 snprintf(buf, bufsize, "%d", n + 1);
 246                 string legend = string(buf) + ". " + current->menuentry;
 247                 entry->setStringValue("legend", legend.c_str());
 248                 entry->setIntValue("binding/value", n);
 249                 current++;
 250         }
 251
 252         _gui->showDialog(dialog_name);
 253         return;
 254 }
 255
 256 void FGATCDialog::PopupCallback(int num) {
 257         FGATC* atcptr = globals->get_ATC_mgr()->GetComm1ATCPointer();   // FIXME - Hardwired to comm1 at the moment
 258
 259         if (!atcptr)
 260                 return;
 261
 262         if (atcptr->GetType() == TOWER) {
 263                 //cout << "TOWER " << endl;
 264                 //cout << "ident is " << atcptr->get_ident() << endl;
 265                 atcmentry_vec_type atcmlist = (available_dialog[TOWER])[atcptr->get_ident()];
 266                 if(atcmlist.size()) {
 267                         //cout << "Doing callback...\n";
 268                         ATCMenuEntry a = atcmlist[num];
 269                         atcptr->SetFreqInUse();
 270                         // This is the user's speech getting displayed.
 271                         globals->get_ATC_display()->RegisterSingleMessage(atcptr->GenText(a.transmission, a.callback_code));
 272                         _callbackPending = true;
 273                         _callbackTimer = 0.0;
 274                         _callbackWait = 5.0;
 275                         _callbackPtr = atcptr;
 276                         _callbackCode = a.callback_code;
 277                 } else {
 278                         //cout << "No options available...\n";
 279                 }
 280                 //cout << "Donded" << endl;
 281         }
 282 }
 283
 284 // map() key data type (removes duplicates and sorts by distance)
 285 struct atcdata {
 286         atcdata() {}
 287         atcdata(const string i, const string n, const double d) {
 288                 id = i, name = n, distance = d;
 289         }
 290         bool operator<(const atcdata& a) const {
 291                 return id != a.id && distance < a.distance;
 292         }
 293         bool operator==(const atcdata& a) const {
 294                 return distance == a.distance && id == a.id;
 295         }
 296         string id;
 297         string name;
 298         double distance;
 299 };
 300
 301 void FGATCDialog::FreqDialog() {
 302         const char *dialog_name = "atc-freq-search";
 303         SGPropertyNode_ptr dlg = _gui->getDialog(dialog_name);
 304         if (!dlg)
 305                 return;
 306
 307         _gui->closeDialog(dialog_name);
 308
 309         SGPropertyNode_ptr button_group = getNamedNode(dlg, "quick-buttons");
 310         // remove all dynamic ATC buttons
 311         button_group->removeChildren("button", false);
 312
 313         // Find the ATC stations within a reasonable range (about 40 miles?)
 314         comm_list_type atc_stations;
 315         comm_list_iterator atc_stat_itr;
 316
 317         double lon = fgGetDouble("/position/longitude-deg");
 318         double lat = fgGetDouble("/position/latitude-deg");
 319         double elev = fgGetDouble("/position/altitude-ft");
 320         Point3D aircraft = sgGeodToCart(Point3D(lon * SGD_DEGREES_TO_RADIANS,
 321                 lat * SGD_DEGREES_TO_RADIANS, elev));
 322
 323         // search stations in range
 324         int num_stat = current_commlist->FindByPos(lon, lat, elev, 40.0, &atc_stations);
 325         if (num_stat != 0) {
 326                 map<atcdata, bool> uniq;
 327                 // fill map (sorts by distance)
 328                 comm_list_iterator itr = atc_stations.begin();
 329                 for (; itr != atc_stations.end(); ++itr) {
 330                         Point3D station = Point3D(itr->x, itr->y, itr->z);
 331                         double distance = aircraft.distance3Dsquared(station);
 332                         uniq[atcdata(itr->ident, itr->name, distance)] = true;
 333                 }
 334                 // create button per map entry (modified copy of <button-template>)
 335                 map<atcdata, bool>::iterator uit = uniq.begin();
 336                 for (int n = 0; uit != uniq.end() && n < 6; ++uit, ++n) { // max 6 buttons
 337                         SGPropertyNode *entry = button_group->getNode("button", n, true);
 338                         copyProperties(button_group->getNode("button-template", true), entry);
 339                         entry->removeChildren("hide", false);
 340                         entry->setStringValue("legend", uit->first.id.c_str());
 341                         entry->setStringValue("binding[0]/value", uit->first.id.c_str());
 342                 }
 343         }
 344
 345         // (un)hide message saying no things in range
 346         SGPropertyNode_ptr range_error = getNamedNode(dlg, "no-atc-in-range");
 347         range_error->setBoolValue("hide", num_stat);
 348
 349         _gui->showDialog(dialog_name);
 350 }
 351
 352 void FGATCDialog::FreqDisplay(string& ident) {
 353         const char *dialog_name = "atc-freq-display";
 354         SGPropertyNode_ptr dlg = _gui->getDialog(dialog_name);
 355         if (!dlg)
 356                 return;
 357
 358         _gui->closeDialog(dialog_name);
 359
 360         SGPropertyNode_ptr freq_group = getNamedNode(dlg, "frequency-list");
 361         // remove all frequency entries
 362         freq_group->removeChildren("group", false);
 363
 364         atcUppercase(ident);
 365         string label;
 366
 367         FGAirport a;
 368         if (!dclFindAirportID(ident, &a)) {
 369                 label = "Airport " + ident + " not found in database.";
 370                 mkDialog(label.c_str());
 371                 return;
 372         }
 373
 374         // set title
 375         label = ident + " Frequencies";
 376         dlg->setStringValue("text/label", label.c_str());
 377
 378         int n = 0;      // Number of ATC frequencies at this airport
 379
 380         comm_list_type stations;
 381         int found = current_commlist->FindByPos(a.getLongitude(), a.getLatitude(), a.getElevation(), 20.0, &stations);
 382         if(found) {
 383                 ostringstream ostr;
 384                 comm_list_iterator itr = stations.begin();
 385                 for (n = 0; itr != stations.end(); ++itr) {
 386                         if(itr->ident != ident)
 387                                 continue;
 388
 389                         if(itr->type == INVALID)
 390                                 continue;
 391
 392                         // add frequency line (modified copy of <group-template>)
 393                         SGPropertyNode *entry = freq_group->getNode("group", n, true);
 394                         copyProperties(freq_group->getNode("group-template", true), entry);
 395                         entry->removeChildren("hide", false);
 396
 397                         ostr << itr->type;
 398                         entry->setStringValue("text[0]/label", ostr.str().c_str());
 399
 400                         char buf[8];
 401                         snprintf(buf, 8, "%.2f", (itr->freq / 100.0));  // Convert from KHz to MHz
 402                         if(buf[5] == '3') buf[5] = '2';
 403                         if(buf[5] == '8') buf[5] = '7';
 404                         buf[7] = '\0';
 405
 406                         entry->setStringValue("text[1]/label", buf);
 407
 408                         ostr.seekp(0);
 409                         n++;
 410                 }
 411         }
 412         if(n == 0) {
 413                 label = "No frequencies found for airport " + ident;
 414                 mkDialog(label.c_str());
 415                 return;
 416         }
 417
 418         _gui->showDialog(dialog_name);
 419 }
 420