-// Implementation of FGATC - ATC subsystem abstract base class.
-// Nothing in here should ever get called.
+// Implementation of FGATC - ATC subsystem base class.
//
// Written by David Luff, started February 2002.
//
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <simgear/sound/soundmgr_openal.hxx>
+
+#include <Main/globals.hxx>
+#include <Main/fg_props.hxx>
+
#include "ATC.hxx"
+#include "ATCdisplay.hxx"
+
+FGATC::FGATC() {
+ freqClear = true;
+ receiving = false;
+ respond = false;
+ runResponseCounter = false;
+ _runReleaseCounter = false;
+ responseID = "";
+ responseReqd = false;
+ _type = INVALID;
+ _display = false;
+ _displaying = false;
+
+ // Transmission timing stuff
+ pending_transmission = "";
+ _timeout = 0;
+ _pending = false;
+ _callback_code = 0;
+ _transmit = false;
+ _transmitting = false;
+ _counter = 0.0;
+ _max_count = 5.0;
+
+ _voiceOK = false;
+}
FGATC::~FGATC() {
}
-void FGATC::Update() {
+// Derived classes wishing to use the response counter should call this from their own Update(...).
+void FGATC::Update(double dt) {
+ if(runResponseCounter) {
+ //cout << responseCounter << '\t' << responseTime << '\n';
+ if(responseCounter >= responseTime) {
+ runResponseCounter = false;
+ respond = true;
+ //cout << "RESPOND\n";
+ } else {
+ responseCounter += dt;
+ }
+ }
+
+ if(_runReleaseCounter) {
+ if(_releaseCounter >= _releaseTime) {
+ freqClear = true;
+ _runReleaseCounter = false;
+ } else {
+ _releaseCounter += dt;
+ }
+ }
+
+ // Transmission stuff cribbed from AIPlane.cxx
+ if(_pending) {
+ if(GetFreqClear()) {
+ //cout << "TUNED STATION FREQ CLEAR\n";
+ SetFreqInUse();
+ _pending = false;
+ _transmit = true;
+ _transmitting = false;
+ } else {
+ if(_timeout > 0.0) { // allows count down to be avoided by initially setting it to zero
+ _timeout -= dt;
+ if(_timeout <= 0.0) {
+ _timeout = 0.0;
+ _pending = false;
+ // timed out - don't render.
+ }
+ }
+ }
+ }
+
+ if(_transmit) {
+ _counter = 0.0;
+ _max_count = 5.0; // FIXME - hardwired length of message - need to calculate it!
+
+ //cout << "Transmission = " << pending_transmission << '\n';
+ if(_display) {
+ //Render(pending_transmission, ident, false);
+ Render(pending_transmission);
+ // At the moment Render only works for ATIS
+ //globals->get_ATC_display()->RegisterSingleMessage(pending_transmission);
+ }
+ // Run the callback regardless of whether on same freq as user or not.
+ //cout << "_callback_code = " << _callback_code << '\n';
+ if(_callback_code) {
+ ProcessCallback(_callback_code);
+ }
+ _transmit = false;
+ _transmitting = true;
+ } else if(_transmitting) {
+ if(_counter >= _max_count) {
+ //NoRender(plane.callsign); commented out since at the moment NoRender is designed just to stop repeating messages,
+ // and this will be primarily used on single messages.
+ _transmitting = false;
+ //if(tuned_station) tuned_station->NotifyTransmissionFinished(plane.callsign);
+ // TODO - need to let the plane the transmission is aimed at that it's finished.
+ // However, for now we'll just release the frequency since if we don't it all goes pear-shaped
+ _releaseCounter = 0.0;
+ _releaseTime = 0.9;
+ _runReleaseCounter = true;
+ }
+ _counter += dt;
+ }
+}
+
+void FGATC::ReceiveUserCallback(int code) {
+ SG_LOG(SG_ATC, SG_WARN, "WARNING - whichever ATC class was intended to receive callback code " << code << " didn't get it!!!");
+}
+
+void FGATC::SetResponseReqd(string rid) {
+ receiving = false;
+ responseReqd = true;
+ respond = false; // TODO - this ignores the fact that more than one plane could call this before response
+ // Shouldn't happen with AI only, but user could confuse things??
+ responseID = rid;
+ runResponseCounter = true;
+ responseCounter = 0.0;
+ responseTime = 1.8; // TODO - randomize this slightly.
+}
+
+void FGATC::NotifyTransmissionFinished(string rid) {
+ //cout << "Transmission finished, callsign = " << rid << '\n';
+ receiving = false;
+ responseID = rid;
+ if(responseReqd) {
+ runResponseCounter = true;
+ responseCounter = 0.0;
+ responseTime = 1.2; // TODO - randomize this slightly, and allow it to be dependent on the transmission and how busy the ATC is.
+ respond = false; // TODO - this ignores the fact that more than one plane could call this before response
+ // Shouldn't happen with AI only, but user could confuse things??
+ } else {
+ freqClear = true;
+ }
+}
+
+void FGATC::Transmit(int callback_code) {
+ SG_LOG(SG_ATC, SG_INFO, "Transmit called by " << ident << " " << _type << ", msg = " << pending_transmission);
+ _pending = true;
+ _callback_code = callback_code;
+ _timeout = 0.0;
+}
+
+void FGATC::ConditionalTransmit(double timeout, int callback_code) {
+ SG_LOG(SG_ATC, SG_INFO, "Timed transmit called by " << ident << " " << _type << ", msg = " << pending_transmission);
+ _pending = true;
+ _callback_code = callback_code;
+ _timeout = timeout;
+}
+
+void FGATC::ImmediateTransmit(int callback_code) {
+ SG_LOG(SG_ATC, SG_INFO, "Immediate transmit called by " << ident << " " << _type << ", msg = " << pending_transmission);
+ if(_display) {
+ //Render(pending_transmission, ident, false);
+ Render(pending_transmission);
+ // At the moment Render doesn't work except for ATIS
+ //globals->get_ATC_display()->RegisterSingleMessage(pending_transmission);
+ }
+ if(callback_code) {
+ ProcessCallback(callback_code);
+ }
+}
+
+// Derived classes should override this.
+void FGATC::ProcessCallback(int code) {
}
void FGATC::AddPlane(string pid) {
}
int FGATC::RemovePlane() {
+ return 0;
}
-void FGATC::SetDisplay() {
+void FGATC::SetData(ATCData* d) {
+ lon = d->lon;
+ lat = d->lat;
+ elev = d->elev;
+ x = d->x;
+ y = d->y;
+ z = d->z;
+ range = d->range;
+ ident = d->ident;
+ name = d->name;
+ freq = d->freq;
}
-void FGATC::SetNoDisplay() {
+// Render a transmission
+// Outputs the transmission either on screen or as audio depending on user preference
+// The refname is a string to identify this sample to the sound manager
+// The repeating flag indicates whether the message should be repeated continuously or played once.
+void FGATC::Render(string msg, string refname, bool repeating) {
+ #ifdef ENABLE_AUDIO_SUPPORT
+ _voice = (_voiceOK && fgGetBool("/sim/sound/voice"));
+ if(_voice) {
+ int len;
+ unsigned char* buf = _vPtr->WriteMessage((char*)msg.c_str(), len, _voice);
+ if(_voice) {
+ SGSoundSample *simple
+ = new SGSoundSample(buf, len, 8000, false);
+ // TODO - at the moment the volume is always set off comm1
+ // and can't be changed after the transmission has started.
+ simple->set_volume(5.0 * fgGetDouble("/instrumentation/comm[0]/volume"));
+ globals->get_soundmgr()->add(simple, refname);
+ if(repeating) {
+ globals->get_soundmgr()->play_looped(refname);
+ } else {
+ globals->get_soundmgr()->play_once(refname);
+ }
+ }
+ delete[] buf;
+ }
+ #endif // ENABLE_AUDIO_SUPPORT
+ if(!_voice) {
+ // first rip the underscores and the pause hints out of the string - these are for the convienience of the voice parser
+ for(unsigned int i = 0; i < msg.length(); ++i) {
+ if((msg.substr(i,1) == "_") || (msg.substr(i,1) == "/")) {
+ msg[i] = ' ';
+ }
+ }
+ if(repeating) {
+ globals->get_ATC_display()->RegisterRepeatingMessage(msg);
+ } else {
+ globals->get_ATC_display()->RegisterSingleMessage(msg);
+ }
+ }
+ _playing = true;
}
-const char* FGATC::GetIdent() {
- return("Error - base class function called in FGATC...");
+
+// Cease rendering a transmission.
+void FGATC::NoRender(string refname) {
+ if(_playing) {
+ if(_voice) {
+ #ifdef ENABLE_AUDIO_SUPPORT
+ globals->get_soundmgr()->stop(refname);
+ globals->get_soundmgr()->remove(refname);
+ #endif
+ } else {
+ globals->get_ATC_display()->CancelRepeatingMessage();
+ }
+ _playing = false;
+ }
}
-atc_type FGATC::GetType() {
- return INVALID;
+// Generate the text of a message from its parameters and the current context.
+string FGATC::GenText(const string& m, int c) {
+ return("");
}
ostream& operator << (ostream& os, atc_type atc) {
- switch(atc) {
- case(INVALID):
- return(os << "INVALID");
- case(ATIS):
- return(os << "ATIS");
- case(GROUND):
- return(os << "GROUND");
- case(TOWER):
- return(os << "TOWER");
- case(APPROACH):
- return(os << "APPROACH");
- case(DEPARTURE):
- return(os << "DEPARTURE");
- case(ENROUTE):
- return(os << "ENROUTE");
- }
- return(os << "ERROR - Unknown switch in atc_type operator << ");
+ switch(atc) {
+ case(INVALID): return(os << "INVALID");
+ case(ATIS): return(os << "ATIS");
+ case(GROUND): return(os << "GROUND");
+ case(TOWER): return(os << "TOWER");
+ case(APPROACH): return(os << "APPROACH");
+ case(DEPARTURE): return(os << "DEPARTURE");
+ case(ENROUTE): return(os << "ENROUTE");
+ }
+ return(os << "ERROR - Unknown switch in atc_type operator << ");
}