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
  82         if (!strcmp(prop->getStringValue("name"), name))
  83                 return prop;
  84
  85         return 0;
  86 }
  87
  88
  89 FGATCDialog::FGATCDialog() {
  90         _callbackPending = false;
  91         _callbackTimer = 0.0;
  92         _callbackWait = 0.0;
  93         _callbackPtr = NULL;
  94         _callbackCode = 0;
  95         _gui = (NewGUI *)globals->get_subsystem("gui");
  96 }
  97
  98 FGATCDialog::~FGATCDialog() {
  99 }
 100
 101 void FGATCDialog::Init() {
 102         // Add ATC-dialog to the command list
 103         globals->get_commands()->addCommand("ATC-dialog", do_ATC_dialog);
 104         // Add ATC-freq-search to the command list
 105         globals->get_commands()->addCommand("ATC-freq-search", do_ATC_freq_search);
 106
 107         // initialize properties polled in Update()
 108         globals->get_props()->setStringValue("/sim/atc/freq-airport", "");
 109         globals->get_props()->setIntValue("/sim/atc/transmission-num", -1);
 110 }
 111
 112 void FGATCDialog::Update(double dt) {
 113         static SGPropertyNode_ptr airport = globals->get_props()->getNode("/sim/atc/freq-airport", true);
 114         string s = airport->getStringValue();
 115         if (!s.empty()) {
 116                 airport->setStringValue("");
 117                 FreqDisplay(s);
 118         }
 119
 120         static SGPropertyNode_ptr trans_num = globals->get_props()->getNode("/sim/atc/transmission-num", true);
 121         int n = trans_num->getIntValue();
 122         if (n >= 0) {
 123                 trans_num->setIntValue(-1);
 124                 PopupCallback(n);
 125         }
 126
 127         if(_callbackPending) {
 128                 if(_callbackTimer > _callbackWait) {
 129                         _callbackPtr->ReceiveUserCallback(_callbackCode);
 130                         _callbackPtr->NotifyTransmissionFinished(fgGetString("/sim/user/callsign"));
 131                         _callbackPending = false;
 132                 } else {
 133                         _callbackTimer += dt;
 134                 }
 135         }
 136 }
 137
 138 // Add an entry
 139 void FGATCDialog::add_entry(const string& station, const string& transmission, const string& menutext, atc_type type, int code) {
 140
 141   ATCMenuEntry a;
 142
 143   a.stationid = station;
 144   a.transmission = transmission;
 145   a.menuentry = menutext;
 146   a.callback_code = code;
 147
 148   (available_dialog[type])[station.c_str()].push_back(a);
 149
 150 }
 151
 152 void FGATCDialog::remove_entry( const string &station, const string &trans, atc_type type ) {
 153   atcmentry_vec_type* p = &((available_dialog[type])[station]);
 154   atcmentry_vec_iterator current = p->begin();
 155   while(current != p->end()) {
 156     if(current->transmission == trans) current = p->erase(current);
 157         else ++current;
 158   }
 159 }
 160
 161 void FGATCDialog::remove_entry( const string &station, int code, atc_type type ) {
 162   atcmentry_vec_type* p = &((available_dialog[type])[station]);
 163   atcmentry_vec_iterator current = p->begin();
 164   while(current != p->end()) {
 165     if(current->callback_code == code) current = p->erase(current);
 166         else ++current;
 167   }
 168 }
 169
 170 // query the database whether the transmission is already registered;
 171 bool FGATCDialog::trans_reg( const string &station, const string &trans, atc_type type ) {
 172   atcmentry_vec_type* p = &((available_dialog[type])[station]);
 173   atcmentry_vec_iterator current = p->begin();
 174   for ( ; current != p->end() ; ++current ) {
 175     if ( current->transmission == trans ) return true;
 176   }
 177   return false;
 178 }
 179
 180 // query the database whether the transmission is already registered;
 181 bool FGATCDialog::trans_reg( const string &station, int code, atc_type type ) {
 182   atcmentry_vec_type* p = &((available_dialog[type])[station]);
 183   atcmentry_vec_iterator current = p->begin();
 184   for ( ; current != p->end() ; ++current ) {
 185     if ( current->callback_code == code ) return true;
 186   }
 187   return false;
 188 }
 189
 190 // Display the ATC popup dialog box with options relevant to the users current situation.
 191 void FGATCDialog::PopupDialog() {
 192         const char *dialog_name = "atc-dialog";
 193         SGPropertyNode_ptr dlg = _gui->getDialog(dialog_name);
 194         if (!dlg)
 195                 return;
 196
 197         _gui->closeDialog(dialog_name);
 198
 199         SGPropertyNode_ptr button_group = getNamedNode(dlg, "transmission-choice");
 200         // remove all transmission buttons
 201         button_group->removeChildren("button", false);
 202
 203         string label;
 204         FGATC* atcptr = globals->get_ATC_mgr()->GetComm1ATCPointer();   // Hardwired to comm1 at the moment
 205
 206         if (!atcptr) {
 207                 label = "Not currently tuned to any ATC service";
 208                 mkDialog(label.c_str());
 209                 return;
 210         }
 211
 212         if(atcptr->GetType() == ATIS) {
 213                 label = "Tuned to ATIS - no communication possible";
 214                 mkDialog(label.c_str());
 215                 return;
 216         }
 217
 218         atcmentry_vec_type atcmlist = (available_dialog[atcptr->GetType()])[atcptr->get_ident()];
 219         atcmentry_vec_iterator current = atcmlist.begin();
 220         atcmentry_vec_iterator last = atcmlist.end();
 221
 222         if(!atcmlist.size()) {
 223                 label = "No transmission available";
 224                 mkDialog(label.c_str());
 225                 return;
 226         }
 227
 228         const int bufsize = 32;
 229         char buf[bufsize];
 230         // loop over all entries in atcmentrylist
 231         for (int n = 0; n < 10; ++n) {
 232                 snprintf(buf, bufsize, "/sim/atc/opt[%d]", n);
 233                 fgSetBool(buf, false);
 234
 235                 if (current == last)
 236                         continue;
 237
 238                 // add transmission button (modified copy of <button-template>)
 239                 SGPropertyNode *entry = button_group->getNode("button", n, true);
 240                 copyProperties(button_group->getNode("button-template", true), entry);
 241                 entry->removeChildren("hide", false);
 242                 entry->setStringValue("property", buf);
 243                 if (n == 0)
 244                         entry->setBoolValue("default", true);
 245
 246                 snprintf(buf, bufsize, "%d", n + 1);
 247                 string legend = string(buf) + ". " + current->menuentry;
 248                 entry->setStringValue("legend", legend.c_str());
 249                 entry->setIntValue("binding/value", n);
 250                 current++;
 251         }
 252
 253         _gui->showDialog(dialog_name);
 254         return;
 255 }
 256
 257 void FGATCDialog::PopupCallback(int num) {
 258         FGATC* atcptr = globals->get_ATC_mgr()->GetComm1ATCPointer();   // FIXME - Hardwired to comm1 at the moment
 259
 260         if (!atcptr)
 261                 return;
 262
 263         if (atcptr->GetType() == TOWER) {
 264                 //cout << "TOWER " << endl;
 265                 //cout << "ident is " << atcptr->get_ident() << endl;
 266                 atcmentry_vec_type atcmlist = (available_dialog[TOWER])[atcptr->get_ident()];
 267                 if(atcmlist.size()) {
 268                         //cout << "Doing callback...\n";
 269                         ATCMenuEntry a = atcmlist[num];
 270                         atcptr->SetFreqInUse();
 271                         // This is the user's speech getting displayed.
 272                         globals->get_ATC_display()->RegisterSingleMessage(atcptr->GenText(a.transmission, a.callback_code));
 273                         _callbackPending = true;
 274                         _callbackTimer = 0.0;
 275                         _callbackWait = 5.0;
 276                         _callbackPtr = atcptr;
 277                         _callbackCode = a.callback_code;
 278                 } else {
 279                         //cout << "No options available...\n";
 280                 }
 281                 //cout << "Donded" << endl;
 282         }
 283 }
 284
 285 // map() key data type (removes duplicates and sorts by distance)
 286 struct atcdata {
 287         atcdata() {}
 288         atcdata(const string i, const string n, const double d) {
 289                 id = i, name = n, distance = d;
 290         }
 291         bool operator<(const atcdata& a) const {
 292                 return a.id != id && a.distance > distance;
 293         }
 294         bool operator==(const atcdata& a) const {
 295                 return a.distance == distance && a.id == id;
 296         }
 297         string id;
 298         string name;
 299         double distance;
 300 };
 301
 302 void FGATCDialog::FreqDialog() {
 303         const char *dialog_name = "atc-freq-search";
 304         SGPropertyNode_ptr dlg = _gui->getDialog(dialog_name);
 305         if (!dlg)
 306                 return;
 307
 308         _gui->closeDialog(dialog_name);
 309
 310         SGPropertyNode_ptr button_group = getNamedNode(dlg, "quick-buttons");
 311         // remove all dynamic ATC buttons
 312         button_group->removeChildren("button", false);
 313
 314         // Find the ATC stations within a reasonable range (about 40 miles?)
 315         comm_list_type atc_stations;
 316         comm_list_iterator atc_stat_itr;
 317
 318         double lon = fgGetDouble("/position/longitude-deg");
 319         double lat = fgGetDouble("/position/latitude-deg");
 320         double elev = fgGetDouble("/position/altitude-ft");
 321         Point3D aircraft = sgGeodToCart(Point3D(lon * SGD_DEGREES_TO_RADIANS,
 322                 lat * SGD_DEGREES_TO_RADIANS, elev));
 323
 324         // search stations in range
 325         int num_stat = current_commlist->FindByPos(lon, lat, elev, 40.0, &atc_stations);
 326         if (num_stat != 0) {
 327                 map<atcdata, bool> uniq;
 328                 // fill map (sorts by distance)
 329                 comm_list_iterator itr = atc_stations.begin();
 330                 for (; itr != atc_stations.end(); ++itr) {
 331                         Point3D station = Point3D(itr->x, itr->y, itr->z);
 332                         double distance = aircraft.distance3Dsquared(station);
 333                         uniq[atcdata(itr->ident, itr->name, distance)] = true;
 334                 }
 335                 // create button per map entry (modified copy of <button-template>)
 336                 map<atcdata, bool>::iterator uit = uniq.begin();
 337                 for (int n = 0; uit != uniq.end() && n < 6; ++uit, ++n) { // max 6 buttons
 338                         SGPropertyNode *entry = button_group->getNode("button", n, true);
 339                         copyProperties(button_group->getNode("button-template", true), entry);
 340                         entry->removeChildren("hide", false);
 341                         entry->setStringValue("legend", uit->first.id.c_str());
 342                         entry->setStringValue("binding[0]/value", uit->first.id.c_str());
 343                 }
 344         }
 345
 346         // (un)hide message saying no things in range
 347         SGPropertyNode_ptr range_error = getNamedNode(dlg, "no-atc-in-range");
 348         range_error->setBoolValue("hide", num_stat);
 349
 350         _gui->showDialog(dialog_name);
 351 }
 352
 353 void FGATCDialog::FreqDisplay(string& ident) {
 354         const char *dialog_name = "atc-freq-display";
 355         SGPropertyNode_ptr dlg = _gui->getDialog(dialog_name);
 356         if (!dlg)
 357                 return;
 358
 359         _gui->closeDialog(dialog_name);
 360
 361         SGPropertyNode_ptr freq_group = getNamedNode(dlg, "frequency-list");
 362         // remove all frequency entries
 363         freq_group->removeChildren("group", false);
 364
 365         atcUppercase(ident);
 366         string label;
 367
 368         FGAirport a;
 369         if (!dclFindAirportID(ident, &a)) {
 370                 label = "Airport " + ident + " not found in database.";
 371                 mkDialog(label.c_str());
 372                 return;
 373         }
 374
 375         // set title
 376         label = ident + " Frequencies";
 377         dlg->setStringValue("text/label", label.c_str());
 378
 379         int n = 0;      // Number of ATC frequencies at this airport
 380
 381         comm_list_type stations;
 382         int found = current_commlist->FindByPos(a.getLongitude(), a.getLatitude(), a.getElevation(), 20.0, &stations);
 383         if(found) {
 384                 ostringstream ostr;
 385                 comm_list_iterator itr = stations.begin();
 386                 for (n = 0; itr != stations.end(); ++itr) {
 387                         if(itr->ident != ident)
 388                                 continue;
 389
 390                         if(itr->type == INVALID)
 391                                 continue;
 392
 393                         // add frequency line (modified copy of <group-template>)
 394                         SGPropertyNode *entry = freq_group->getNode("group", n, true);
 395                         copyProperties(freq_group->getNode("group-template", true), entry);
 396                         entry->removeChildren("hide", false);
 397
 398                         ostr << itr->type;
 399                         entry->setStringValue("text[0]/label", ostr.str().c_str());
 400
 401                         char buf[8];
 402                         snprintf(buf, 8, "%.2f", (itr->freq / 100.0));  // Convert from KHz to MHz
 403                         if(buf[5] == '3') buf[5] = '2';
 404                         if(buf[5] == '8') buf[5] = '7';
 405                         buf[7] = '\0';
 406
 407                         entry->setStringValue("text[1]/label", buf);
 408
 409                         ostr.seekp(0);
 410                         n++;
 411                 }
 412         }
 413         if(n == 0) {
 414                 label = "No frequencies found for airport " + ident;
 415                 mkDialog(label.c_str());
 416                 return;
 417         }
 418
 419         _gui->showDialog(dialog_name);
 420 }
 421