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 #ifdef __MWERKS__
  74
  75     char c = 0;
  76     while ( in.get(c) && c != '\0' ) {
  77         in.putback(c);
  78         in >> a;
  79         if ( a.get_type() != '[' ) {
  80             transmissionlist_code[a.get_station()].push_back(a);
  81         }
  82         in >> skipcomment;
  83     }
  84
  85 #else
  86
  87     double min = 100000;
  88     double max = 0;
  89
  90     while ( ! in.eof() ) {
  91         in >> a;
  92         transmissionlist_station[a.get_station()].push_back(a);
  93
  94         in >> skipcomment;
  95
  96         if ( a.get_station() < min ) {
  97             min = a.get_station();
  98         }
  99         if ( a.get_station() > max ) {
 100             max = a.get_station();
 101         }
 102
 103         /*
 104         cout << a.get_station() << " " << a.get_code().c1 << " " << a.get_code().c2 << " "
 105              << a.get_code().c3 << " " << a.get_transtext()
 106              << " " << a.get_menutext() << endl;
 107         */
 108     }
 109
 110 #endif
 111
 112     // init ATC menu
 113     fgSetBool("/sim/atc/menu",false);
 114
 115     return true;
 116 }
 117
 118 // query the database for the specified station type;
 119 // for station see FlightGear/ATC/default.transmissions
 120 bool FGTransmissionList::query_station( const atc_type &station, FGTransmission *t,
 121                                         int max_trans, int &num_trans )
 122 {
 123   transmission_list_type     tmissions = transmissionlist_station[station];
 124   transmission_list_iterator current   = tmissions.begin();
 125   transmission_list_iterator last      = tmissions.end();
 126
 127   for ( ; current != last ; ++current ) {
 128     if (num_trans < max_trans) {
 129       t[num_trans] = *current;
 130       num_trans += 1;
 131     }
 132     else {
 133       SG_LOG(SG_GENERAL, SG_WARN, "Transmissionlist error: Too many transmissions");
 134     }
 135   }
 136
 137   if ( num_trans != 0 ) return true;
 138   else {
 139     SG_LOG(SG_GENERAL, SG_WARN, "No transmission with station " << station << "found.");
 140     string empty;
 141     return false;
 142   }
 143 }
 144
 145 string FGTransmissionList::gen_text(const atc_type &station, const TransCode code,
 146                                     const TransPar &tpars, const bool ttext )
 147 {
 148         const int cmax = 300;
 149         string message;
 150         char tag[4];
 151         char crej = '@';
 152         char mes[cmax];
 153         char dum[cmax];
 154         //char buf[10];
 155         char *pos;
 156         int len;
 157         FGTransmission t;
 158
 159         //  if (current_transmissionlist->query_station( station, &t ) ) {
 160         transmission_list_type     tmissions = transmissionlist_station[station];
 161         transmission_list_iterator current   = tmissions.begin();
 162         transmission_list_iterator last      = tmissions.end();
 163
 164         for ( ; current != last ; ++current ) {
 165                 if ( current->get_code().c1 == code.c1 &&
 166                         current->get_code().c2 == code.c2 &&
 167                     current->get_code().c3 == code.c3 ) {
 168
 169                         if ( ttext ) message = current->get_transtext();
 170                         else message = current->get_menutext();
 171                         strcpy( &mes[0], message.c_str() );
 172
 173                         // Replace all the '@' parameters with the actual text.
 174                         int check = 0;  // If mes gets overflowed the while loop can go infinite
 175                         while ( strchr(&mes[0], crej) != NULL  ) {      // ie. loop until no more occurances of crej ('@') found
 176                                 pos = strchr( &mes[0], crej );
 177                                 memmove(&tag[0], pos, 3);
 178                                 tag[3] = '\0';
 179                                 int i;
 180                                 len = 0;
 181                                 for ( i=0; i<cmax; i++ ) {
 182                                         if ( mes[i] == crej ) {
 183                                                 len = i;
 184                                                 break;
 185                                         }
 186                                 }
 187                                 strncpy( &dum[0], &mes[0], len );
 188                                 dum[len] = '\0';
 189
 190                                 if ( strcmp ( tag, "@ST" ) == 0 )
 191                                         strcat( &dum[0], tpars.station.c_str() );
 192                                 else if ( strcmp ( tag, "@AP" ) == 0 )
 193                                         strcat( &dum[0], tpars.airport.c_str() );
 194                                 else if ( strcmp ( tag, "@CS" ) == 0 )
 195                                         strcat( &dum[0], tpars.callsign.c_str() );
 196                                 else if ( strcmp ( tag, "@TD" ) == 0 ) {
 197                                         if ( tpars.tdir == 1 ) {
 198                                                 char buf[] = "left";
 199                                                 strcat( &dum[0], &buf[0] );
 200                                         }
 201                                         else {
 202                                                 char buf[] = "right";
 203                                                 strcat( &dum[0], &buf[0] );
 204                                         }
 205                                 }
 206                                 else if ( strcmp ( tag, "@HE" ) == 0 ) {
 207                                         char buf[10];
 208                                         sprintf( buf, "%i", (int)(tpars.heading) );
 209                                         strcat( &dum[0], &buf[0] );
 210                                 }
 211                                 else if ( strcmp ( tag, "@VD" ) == 0 ) {
 212                                         if ( tpars.VDir == 1 ) {
 213                                                 char buf[] = "Descend and maintain";
 214                                                 strcat( &dum[0], &buf[0] );
 215                                         }
 216                                         else if ( tpars.VDir == 2 ) {
 217                                                 char buf[] = "Maintain";
 218                                                 strcat( &dum[0], &buf[0] );
 219                                         }
 220                                         else if ( tpars.VDir == 3 ) {
 221                                                 char buf[] = "Climb and maintain";
 222                                                 strcat( &dum[0], &buf[0] );
 223                                         }
 224                                 }
 225                                 else if ( strcmp ( tag, "@AL" ) == 0 ) {
 226                                         char buf[10];
 227                                         sprintf( buf, "%i", (int)(tpars.alt) );
 228                                         strcat( &dum[0], &buf[0] );
 229                                 }
 230                                 else if ( strcmp ( tag, "@MI" ) == 0 ) {
 231                                         char buf[10];
 232                                         sprintf( buf, "%3.1f", tpars.miles );
 233                                         strcat( &dum[0], &buf[0] );
 234                                 }
 235                                 else if ( strcmp ( tag, "@FR" ) == 0 ) {
 236                                         char buf[10];
 237                                         sprintf( buf, "%6.2f", tpars.freq );
 238                                         strcat( &dum[0], &buf[0] );
 239                                 }
 240                                 else if ( strcmp ( tag, "@RW" ) == 0 )
 241                                         strcat( &dum[0], tpars.runway.c_str() );
 242                                 else {
 243                                         SG_LOG(SG_GENERAL, SG_WARN, "Tag " << tag << " not found");
 244                                         break;
 245                                 }
 246                                 strcat( &dum[0], &mes[len+3] );
 247                                 strcpy( &mes[0], &dum[0] );
 248
 249                                 ++check;
 250                                 if(check > 10) {
 251                                         SG_LOG(SG_GENERAL, SG_WARN, "WARNING: Possibly endless loop terminated in FGTransmissionlist::gen_text(...)");
 252                                         break;
 253                                 }
 254                         }
 255
 256                         //cout << mes  << endl;
 257                         break;
 258                 }
 259         }
 260         return mes[0] ? mes : "No transmission found";
 261 }
 262
 263