src/ATC/ATC.cxx

   1 // Implementation of FGATC - ATC subsystem base class.
   2 //
   3 // Written by David Luff, started February 2002.
   4 //
   5 // Copyright (C) 2002  David C Luff - david.luff@nottingham.ac.uk
   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 #ifdef HAVE_CONFIG_H
  22 #  include <config.h>
  23 #endif
  24
  25 #include <simgear/sound/soundmgr.hxx>
  26
  27 #include <Main/fg_props.hxx>
  28
  29 #include "ATC.hxx"
  30 #include "ATCdisplay.hxx"
  31
  32 FGATC::FGATC() {
  33         freqClear = true;
  34 }
  35
  36 FGATC::~FGATC() {
  37 }
  38
  39 void FGATC::Update(double dt) {
  40 }
  41
  42 void FGATC::AddPlane(string pid) {
  43 }
  44
  45 int FGATC::RemovePlane() {
  46         return 0;
  47 }
  48
  49 void FGATC::SetDisplay() {
  50 }
  51
  52 void FGATC::SetNoDisplay() {
  53 }
  54
  55 atc_type FGATC::GetType() {
  56         return INVALID;
  57 }
  58
  59 void FGATC::SetData(ATCData* d) {
  60         lon = d->lon;
  61         lat = d->lat;
  62         elev = d->elev;
  63         x = d->x;
  64         y = d->y;
  65         z = d->z;
  66         range = d->range;
  67         ident = d->ident;
  68         name = d->name;
  69         freq = d->freq;
  70 }
  71
  72 // Render a transmission
  73 // Outputs the transmission either on screen or as audio depending on user preference
  74 // The refname is a string to identify this sample to the sound manager
  75 // The repeating flag indicates whether the message should be repeated continuously or played once.
  76 void FGATC::Render(string msg, string refname, bool repeating) {
  77         #ifdef ENABLE_AUDIO_SUPPORT
  78         voice = (voiceOK && fgGetBool("/sim/sound/audible")
  79         && fgGetBool("/sim/sound/voice"));
  80         if(voice) {
  81                 int len;
  82                 unsigned char* buf = vPtr->WriteMessage((char*)msg.c_str(), len, voice);
  83                 if(voice) {
  84                         SGSimpleSound* simple = new SGSimpleSound(buf, len);
  85                         // TODO - at the moment the volume is always set off comm1
  86                         // and can't be changed after the transmission has started.
  87                         simple->set_volume(5.0 * fgGetDouble("/radios/comm[0]/volume"));
  88                         globals->get_soundmgr()->add(simple, refname);
  89                         if(repeating) {
  90                                 globals->get_soundmgr()->play_looped(refname);
  91                         } else {
  92                                 globals->get_soundmgr()->play_once(refname);
  93                         }
  94                 }
  95                 delete[] buf;
  96         }
  97         #endif  // ENABLE_AUDIO_SUPPORT
  98         if(!voice) {
  99                 // first rip the underscores and the pause hints out of the string - these are for the convienience of the voice parser
 100                 for(unsigned int i = 0; i < msg.length(); ++i) {
 101                         if((msg.substr(i,1) == "_") || (msg.substr(i,1) == "/")) {
 102                                 msg[i] = ' ';
 103                         }
 104                 }
 105                 globals->get_ATC_display()->RegisterRepeatingMessage(msg);
 106         }
 107         playing = true;
 108 }
 109
 110
 111 // Cease rendering a transmission.
 112 void FGATC::NoRender(string refname) {
 113         if(playing) {
 114                 if(voice) {
 115                         #ifdef ENABLE_AUDIO_SUPPORT
 116                         globals->get_soundmgr()->stop(refname);
 117                         globals->get_soundmgr()->remove(refname);
 118                         #endif
 119                 } else {
 120                         globals->get_ATC_display()->CancelRepeatingMessage();
 121                 }
 122                 playing = false;
 123         }
 124 }
 125
 126 ostream& operator << (ostream& os, atc_type atc) {
 127         switch(atc) {
 128                 case(INVALID):    return(os << "INVALID");
 129                 case(ATIS):       return(os << "ATIS");
 130                 case(GROUND):     return(os << "GROUND");
 131                 case(TOWER):      return(os << "TOWER");
 132                 case(APPROACH):   return(os << "APPROACH");
 133                 case(DEPARTURE):  return(os << "DEPARTURE");
 134                 case(ENROUTE):    return(os << "ENROUTE");
 135         }
 136         return(os << "ERROR - Unknown switch in atc_type operator << ");
 137 }