155 lines
4.2 KiB
C++
155 lines
4.2 KiB
C++
// Implementation of FGATC - ATC subsystem base class.
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//
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// Written by David Luff, started February 2002.
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//
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// Copyright (C) 2002 David C Luff - david.luff@nottingham.ac.uk
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <simgear/sound/soundmgr.hxx>
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#include <Main/fg_props.hxx>
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#include "ATC.hxx"
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#include "ATCdisplay.hxx"
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FGATC::FGATC() {
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freqClear = true;
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}
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FGATC::~FGATC() {
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}
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// Derived classes wishing to use the response counter should call this from their own Update(...).
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void FGATC::Update(double dt) {
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if(responseReqd) {
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if(responseCounter >= responseTime) {
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responseReqd = false;
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respond = true;
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} else {
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responseCounter += dt;
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}
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}
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}
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void FGATC::SetResponseReqd(string rid) {
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responseReqd = true;
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respond = false; // TODO - this ignores the fact that more than one plane could call this before response
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// Shouldn't happen with AI only, but user could confuse things??
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responseID = rid;
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responseCounter = 0.0;
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responseTime = 2.5; // TODO - randomize this slightly.
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}
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void FGATC::AddPlane(string pid) {
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}
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int FGATC::RemovePlane() {
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return 0;
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}
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void FGATC::SetDisplay() {
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}
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void FGATC::SetNoDisplay() {
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}
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atc_type FGATC::GetType() {
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return INVALID;
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}
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void FGATC::SetData(ATCData* d) {
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lon = d->lon;
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lat = d->lat;
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elev = d->elev;
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x = d->x;
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y = d->y;
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z = d->z;
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range = d->range;
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ident = d->ident;
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name = d->name;
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freq = d->freq;
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}
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// Render a transmission
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// Outputs the transmission either on screen or as audio depending on user preference
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// The refname is a string to identify this sample to the sound manager
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// The repeating flag indicates whether the message should be repeated continuously or played once.
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void FGATC::Render(string msg, string refname, bool repeating) {
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#ifdef ENABLE_AUDIO_SUPPORT
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voice = (voiceOK && fgGetBool("/sim/sound/audible")
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&& fgGetBool("/sim/sound/voice"));
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if(voice) {
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int len;
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unsigned char* buf = vPtr->WriteMessage((char*)msg.c_str(), len, voice);
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if(voice) {
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SGSimpleSound* simple = new SGSimpleSound(buf, len);
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// TODO - at the moment the volume is always set off comm1
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// and can't be changed after the transmission has started.
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simple->set_volume(5.0 * fgGetDouble("/radios/comm[0]/volume"));
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globals->get_soundmgr()->add(simple, refname);
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if(repeating) {
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globals->get_soundmgr()->play_looped(refname);
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} else {
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globals->get_soundmgr()->play_once(refname);
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}
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}
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delete[] buf;
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}
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#endif // ENABLE_AUDIO_SUPPORT
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if(!voice) {
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// first rip the underscores and the pause hints out of the string - these are for the convienience of the voice parser
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for(unsigned int i = 0; i < msg.length(); ++i) {
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if((msg.substr(i,1) == "_") || (msg.substr(i,1) == "/")) {
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msg[i] = ' ';
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}
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}
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globals->get_ATC_display()->RegisterRepeatingMessage(msg);
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}
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playing = true;
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}
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// Cease rendering a transmission.
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void FGATC::NoRender(string refname) {
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if(playing) {
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if(voice) {
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#ifdef ENABLE_AUDIO_SUPPORT
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globals->get_soundmgr()->stop(refname);
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globals->get_soundmgr()->remove(refname);
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#endif
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} else {
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globals->get_ATC_display()->CancelRepeatingMessage();
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}
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playing = false;
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}
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}
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ostream& operator << (ostream& os, atc_type atc) {
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switch(atc) {
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case(INVALID): return(os << "INVALID");
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case(ATIS): return(os << "ATIS");
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case(GROUND): return(os << "GROUND");
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case(TOWER): return(os << "TOWER");
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case(APPROACH): return(os << "APPROACH");
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case(DEPARTURE): return(os << "DEPARTURE");
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case(ENROUTE): return(os << "ENROUTE");
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}
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return(os << "ERROR - Unknown switch in atc_type operator << ");
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}
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