src/ATCDCL/transmissionlist.cxx

   1 // transmissionlist.cxx -- transmission management class
   2 //
   3 // Written by Alexander Kappes, started March 2002.
   4 // Based on navlist.cxx by Curtis Olson, started April 2000.
   5 //
   6 // Copyright (C) 2000  Curtis L. Olson - http://www.flightgear.org/~curt
   7 //
   8 // This program is free software; you can redistribute it and/or
   9 // modify it under the terms of the GNU General Public License as
  10 // published by the Free Software Foundation; either version 2 of the
  11 // License, or (at your option) any later version.
  12 //
  13 // This program is distributed in the hope that it will be useful, but
  14 // WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16 // General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU General Public License
  19 // along with this program; if not, write to the Free Software
  20 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  21 //
  22 // $Id$
  23
  24
  25 #ifdef HAVE_CONFIG_H
  26 #  include <config.h>
  27 #endif
  28
  29 #ifdef HAVE_STRINGS_H
  30 #  include <strings.h>   // bcopy()
  31 #else
  32 #  include <string.h>    // MSVC doesn't have strings.h
  33 #endif
  34
  35
  36 #include <simgear/debug/logstream.hxx>
  37 #include <simgear/misc/sgstream.hxx>
  38 #include <simgear/math/sg_geodesy.hxx>
  39
  40 #include "transmissionlist.hxx"
  41
  42 #include <GUI/gui.h>
  43
  44
  45 FGTransmissionList *current_transmissionlist;
  46
  47
  48 FGTransmissionList::FGTransmissionList( void ) {
  49 }
  50
  51
  52 FGTransmissionList::~FGTransmissionList( void ) {
  53 }
  54
  55
  56 // load default.transmissions
  57 bool FGTransmissionList::init( const SGPath& path ) {
  58     FGTransmission a;
  59
  60     transmissionlist_station.erase( transmissionlist_station.begin(), transmissionlist_station.end() );
  61
  62     sg_gzifstream in( path.str() );
  63     if ( !in.is_open() ) {
  64         SG_LOG( SG_GENERAL, SG_ALERT, "Cannot open file: " << path.str() );
  65         exit(-1);
  66     }
  67
  68     // read in each line of the file
  69
  70     // in >> skipeol;
  71     // in >> skipcomment;
  72
  73     double min = 100000;
  74     double max = 0;
  75
  76     while ( ! in.eof() ) {
  77         in >> a;
  78         transmissionlist_station[a.get_station()].push_back(a);
  79
  80         in >> skipcomment;
  81
  82         if ( a.get_station() < min ) {
  83             min = a.get_station();
  84         }
  85         if ( a.get_station() > max ) {
  86             max = a.get_station();
  87         }
  88
  89         /*
  90         cout << a.get_station() << " " << a.get_code().c1 << " " << a.get_code().c2 << " "
  91              << a.get_code().c3 << " " << a.get_transtext()
  92              << " " << a.get_menutext() << endl;
  93         */
  94     }
  95
  96     // init ATC menu
  97     fgSetBool("/sim/atc/menu",false);
  98
  99     return true;
 100 }
 101
 102 // query the database for the specified station type;
 103 // for station see FlightGear/ATC/default.transmissions
 104 bool FGTransmissionList::query_station( const atc_type &station, FGTransmission *t,
 105                                         int max_trans, int &num_trans )
 106 {
 107   transmission_list_type     tmissions = transmissionlist_station[station];
 108   transmission_list_iterator current   = tmissions.begin();
 109   transmission_list_iterator last      = tmissions.end();
 110
 111   for ( ; current != last ; ++current ) {
 112     if (num_trans < max_trans) {
 113       t[num_trans] = *current;
 114       num_trans += 1;
 115     }
 116     else {
 117       SG_LOG(SG_GENERAL, SG_WARN, "Transmissionlist error: Too many transmissions");
 118     }
 119   }
 120
 121   if ( num_trans != 0 ) return true;
 122   else {
 123     SG_LOG(SG_GENERAL, SG_WARN, "No transmission with station " << station << "found.");
 124     string empty;
 125     return false;
 126   }
 127 }
 128
 129 string FGTransmissionList::gen_text(const atc_type &station, const TransCode code,
 130                                     const TransPar &tpars, const bool ttext )
 131 {
 132         const int cmax = 300;
 133         string message;
 134         char tag[4];
 135         char crej = '@';
 136         char mes[cmax];
 137         char dum[cmax];
 138         //char buf[10];
 139         char *pos;
 140         int len;
 141         FGTransmission t;
 142
 143         //  if (current_transmissionlist->query_station( station, &t ) ) {
 144         transmission_list_type     tmissions = transmissionlist_station[station];
 145         transmission_list_iterator current   = tmissions.begin();
 146         transmission_list_iterator last      = tmissions.end();
 147
 148         for ( ; current != last ; ++current ) {
 149                 if ( current->get_code().c1 == code.c1 &&
 150                         current->get_code().c2 == code.c2 &&
 151                     current->get_code().c3 == code.c3 ) {
 152
 153                         if ( ttext ) message = current->get_transtext();
 154                         else message = current->get_menutext();
 155                         strcpy( &mes[0], message.c_str() );
 156
 157                         // Replace all the '@' parameters with the actual text.
 158                         int check = 0;  // If mes gets overflowed the while loop can go infinite
 159                         while ( strchr(&mes[0], crej) != NULL  ) {      // ie. loop until no more occurances of crej ('@') found
 160                                 pos = strchr( &mes[0], crej );
 161                                 memmove(&tag[0], pos, 3);
 162                                 tag[3] = '\0';
 163                                 int i;
 164                                 len = 0;
 165                                 for ( i=0; i<cmax; i++ ) {
 166                                         if ( mes[i] == crej ) {
 167                                                 len = i;
 168                                                 break;
 169                                         }
 170                                 }
 171                                 strncpy( &dum[0], &mes[0], len );
 172                                 dum[len] = '\0';
 173
 174                                 if ( strcmp ( tag, "@ST" ) == 0 )
 175                                         strcat( &dum[0], tpars.station.c_str() );
 176                                 else if ( strcmp ( tag, "@AP" ) == 0 )
 177                                         strcat( &dum[0], tpars.airport.c_str() );
 178                                 else if ( strcmp ( tag, "@CS" ) == 0 )
 179                                         strcat( &dum[0], tpars.callsign.c_str() );
 180                                 else if ( strcmp ( tag, "@TD" ) == 0 ) {
 181                                         if ( tpars.tdir == 1 ) {
 182                                                 char buf[] = "left";
 183                                                 strcat( &dum[0], &buf[0] );
 184                                         }
 185                                         else {
 186                                                 char buf[] = "right";
 187                                                 strcat( &dum[0], &buf[0] );
 188                                         }
 189                                 }
 190                                 else if ( strcmp ( tag, "@HE" ) == 0 ) {
 191                                         char buf[10];
 192                                         sprintf( buf, "%i", (int)(tpars.heading) );
 193                                         strcat( &dum[0], &buf[0] );
 194                                 }
 195                                 else if ( strcmp ( tag, "@VD" ) == 0 ) {
 196                                         if ( tpars.VDir == 1 ) {
 197                                                 char buf[] = "Descend and maintain";
 198                                                 strcat( &dum[0], &buf[0] );
 199                                         }
 200                                         else if ( tpars.VDir == 2 ) {
 201                                                 char buf[] = "Maintain";
 202                                                 strcat( &dum[0], &buf[0] );
 203                                         }
 204                                         else if ( tpars.VDir == 3 ) {
 205                                                 char buf[] = "Climb and maintain";
 206                                                 strcat( &dum[0], &buf[0] );
 207                                         }
 208                                 }
 209                                 else if ( strcmp ( tag, "@AL" ) == 0 ) {
 210                                         char buf[10];
 211                                         sprintf( buf, "%i", (int)(tpars.alt) );
 212                                         strcat( &dum[0], &buf[0] );
 213                                 }
 214                                 else if ( strcmp ( tag, "@MI" ) == 0 ) {
 215                                         char buf[10];
 216                                         sprintf( buf, "%3.1f", tpars.miles );
 217                                         strcat( &dum[0], &buf[0] );
 218                                 }
 219                                 else if ( strcmp ( tag, "@FR" ) == 0 ) {
 220                                         char buf[10];
 221                                         sprintf( buf, "%6.2f", tpars.freq );
 222                                         strcat( &dum[0], &buf[0] );
 223                                 }
 224                                 else if ( strcmp ( tag, "@RW" ) == 0 )
 225                                         strcat( &dum[0], tpars.runway.c_str() );
 226                                 else {
 227                                         SG_LOG(SG_GENERAL, SG_WARN, "Tag " << tag << " not found");
 228                                         break;
 229                                 }
 230                                 strcat( &dum[0], &mes[len+3] );
 231                                 strcpy( &mes[0], &dum[0] );
 232
 233                                 ++check;
 234                                 if(check > 10) {
 235                                         SG_LOG(SG_GENERAL, SG_WARN, "WARNING: Possibly endless loop terminated in FGTransmissionlist::gen_text(...)");
 236                                         break;
 237                                 }
 238                         }
 239
 240                         //cout << mes  << endl;
 241                         break;
 242                 }
 243         }
 244         return mes[0] ? mes : "No transmission found";
 245 }
 246
 247