// Started by David Megginson, October 2001
// (Reuses some code from main.cxx, probably by Curtis Olson)
//
-// Copyright (C) 2001 Curtis L. Olson - curt@flightgear.org
+// Copyright (C) 2001 Curtis L. Olson - http://www.flightgear.org/~curt
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
-// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
#pragma warning (disable: 4786)
#endif
-#include <simgear/misc/props.hxx>
-#include <simgear/misc/sg_path.hxx>
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
#include <simgear/debug/logstream.hxx>
-#include <simgear/misc/exception.hxx>
+#include <simgear/structure/exception.hxx>
#ifdef __BORLANDC__
# define exception c_exception
#endif
+#include <simgear/misc/sg_path.hxx>
+#include <simgear/props/props.hxx>
+#include <simgear/sound/xmlsound.hxx>
#include <Main/fg_props.hxx>
#include "fg_fx.hxx"
-#include "fg_sound.hxx"
-FGFX::FGFX ()
+FGFX::FGFX () :
+ last_pause( true ),
+ last_volume( 0.0 ),
+ _pause( fgGetNode("/sim/sound/pause") ),
+ _volume( fgGetNode("/sim/sound/volume") )
{
}
FGFX::~FGFX ()
{
- _sound.clear();
+ unsigned int i;
+ for ( i = 0; i < _sound.size(); i++ ) {
+ delete _sound[i];
+ }
+ _sound.clear();
+
+ while ( _samplequeue.size() > 0 ) {
+ delete _samplequeue.front();
+ _samplequeue.pop();
+ }
}
void
FGFX::init()
{
- SGPropertyNode * node = fgGetNode("/sim/sound", true);
+ SGPropertyNode *node = fgGetNode("/sim/sound", true);
int i;
string path_str = node->getStringValue("path");
SGPath path( globals->get_fg_root() );
if (path_str.empty()) {
- SG_LOG(SG_GENERAL, SG_ALERT, "Incorrect path in configuration file.");
+ SG_LOG(SG_GENERAL, SG_ALERT, "No path in /sim/sound/path");
return;
}
path.append(path_str.c_str());
- SG_LOG(SG_GENERAL, SG_INFO, "Reading Instrument " << node->getName()
+ SG_LOG(SG_GENERAL, SG_INFO, "Reading sound " << node->getName()
<< " from " << path.str());
SGPropertyNode root;
try {
readProperties(path.str(), &root);
- } catch (const sg_exception &e) {
+ } catch (const sg_exception &) {
SG_LOG(SG_GENERAL, SG_ALERT,
- "Incorrect path specified in configuration file");
+ "Error reading file '" << path.str() << '\'');
return;
}
node = root.getNode("fx");
for (i = 0; i < node->nChildren(); i++) {
- FGSound *sound = new FGSound();
- sound->init(node->getChild(i));
+ SGXmlSound *sound = new SGXmlSound();
+
+ try {
+ sound->init(globals->get_props(), node->getChild(i),
+ globals->get_soundmgr(), globals->get_fg_root());
- _sound.push_back(sound);
+ _sound.push_back(sound);
+ } catch ( sg_io_exception &e ) {
+ SG_LOG(SG_GENERAL, SG_ALERT, e.getFormattedMessage());
+ delete sound;
+ }
}
}
void
FGFX::update (double dt)
{
- if (fgGetBool("/sim/sound/audible")) {
- for (unsigned int i = 0; i < _sound.size(); i++ )
+ SGSoundMgr *smgr = globals->get_soundmgr();
+
+ if (smgr->is_working() == false) {
+ return;
+ }
+
+ // command sound manger
+ bool pause = _pause->getBoolValue();
+ if ( pause != last_pause ) {
+ if ( pause ) {
+ smgr->pause();
+ } else {
+ smgr->resume();
+ }
+ last_pause = pause;
+ }
+
+ // process mesage queue
+ const string msgid = "Sequential Audio Message";
+ bool is_playing = false;
+ if ( smgr->exists( msgid ) ) {
+ if ( smgr->is_playing( msgid ) ) {
+ // still playing, do nothing
+ is_playing = true;
+ } else {
+ // current message finished, stop and remove
+ smgr->stop( msgid ); // removes source
+ smgr->remove( msgid ); // removes buffer
+ }
+ }
+ if ( !is_playing ) {
+ // message queue idle, add next sound if we have one
+ if ( _samplequeue.size() > 0 ) {
+ smgr->add( _samplequeue.front(), msgid );
+ _samplequeue.pop();
+ smgr->play_once( msgid );
+ }
+ }
+
+ double volume = _volume->getDoubleValue();
+ if ( volume != last_volume ) {
+ smgr->set_volume( volume );
+ last_volume = volume;
+ }
+
+ if ( !pause ) {
+ // update sound effects if not paused
+ for ( unsigned int i = 0; i < _sound.size(); i++ ) {
_sound[i]->update(dt);
+ }
+ }
+}
+
+/**
+ * add a sound sample to the message queue which is played sequentially
+ * in order.
+ */
+void
+FGFX::play_message( SGSoundSample *_sample )
+{
+ _samplequeue.push( _sample );
+}
+void
+FGFX::play_message( const string path, const string fname, double volume )
+{
+ if (globals->get_soundmgr()->is_working() == false) {
+ return;
}
+ SGSoundSample *sample;
+ sample = new SGSoundSample( path.c_str(), fname.c_str() );
+ sample->set_volume( volume );
+ play_message( sample );
}
+
// end of fg_fx.cxx