-// fgfx.cxx -- Sound effect management class implementation
+// fg_fx.cxx -- Sound effect management class implementation
//
// 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.
//
// $Id$
+#ifdef _MSC_VER
+#pragma warning (disable: 4786)
+#endif
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
#include "fg_fx.hxx"
-// FIXME: remove direct dependencies
-#include <Controls/controls.hxx>
-#include <FDM/flight.hxx>
#include <Main/fg_props.hxx>
-
-FGFX::FGFX ()
- : _is_cranking(false),
- _is_stalling(false),
- _is_rumbling(false),
- _engine(0),
- _crank(0),
- _wind(0),
- _stall(0),
- _rumble(0),
- _flaps(0),
- _squeal(0),
- _click(0)
+#include <simgear/props/props.hxx>
+#include <simgear/misc/sg_path.hxx>
+#include <simgear/sound/soundmgr_openal.hxx>
+#include <simgear/sound/xmlsound.hxx>
+
+FGFX::FGFX ( SGSoundMgr *smgr, const string &refname ) :
+ _enabled( fgGetNode("/sim/sound/effects/enabled", true) ),
+ _volume( fgGetNode("/sim/sound/effects/volume", true) ),
+ _avionics_enabled( fgGetNode("/sim/sound/avionics/enabled", true) ),
+ _avionics_volume( fgGetNode("/sim/sound/avionics/volume", true) ),
+ _avionics_external( fgGetNode("/sim/sound/avionics/external-view", true) ),
+ _internal( fgGetNode("/sim/current-view/internal", true) )
{
+ SGSampleGroup::_smgr = smgr;
+ SGSampleGroup::_refname = refname;
+ SGSampleGroup::_smgr->add(this, refname);
+ _avionics = _smgr->find("avionics", true);
+ _avionics->tie_to_listener();
}
+
FGFX::~FGFX ()
{
- // FIXME: is this right, or does the
- // sound manager assume pointer ownership?
- delete _engine;
- delete _crank;
- delete _wind;
- delete _stall;
- delete _rumble;
-
- delete _flaps;
- delete _squeal;
- delete _click;
+ for (unsigned int i = 0; i < _sound.size(); i++ ) {
+ delete _sound[i];
+ }
+ _sound.clear();
}
void
-FGFX::init ()
+FGFX::init()
{
- FGSoundMgr * mgr = globals->get_soundmgr();
-
- //
- // Create and add the engine sound
- //
- _engine =
- new FGSimpleSound(fgGetString("/sim/sounds/engine", "Sounds/wasp.wav"));
- mgr->add(_engine, "engine loop");
- mgr->play_looped("engine loop");
-
- SG_LOG( SG_GENERAL, SG_INFO,
- "Rate = " << _engine->get_sample()->getRate()
- << " Bps = " << _engine->get_sample()->getBps()
- << " Stereo = " << _engine->get_sample()->getStereo() );
-
-
- //
- // Create and add the cranking sound.
- //
- _crank =
- new FGSimpleSound(fgGetString("/sim/sounds/cranking",
- "Sounds/cranking.wav"));
- mgr->add(_crank, "crank");
- _crank->set_pitch(1.5);
- _crank->set_volume(0.25);
-
-
- //
- // Create and add the wind noise.
- //
- _wind =
- new FGSimpleSound(fgGetString("/sim/sounds/wind", "Sounds/wind.wav"));
- mgr->add(_wind, "wind");
- mgr->play_looped("wind");
-
-
- //
- // Create and add the stall noise.
- //
- _stall = new FGSimpleSound(fgGetString("/sim/sounds/stall",
- "Sounds/stall.wav"));
- mgr->add(_stall, "stall");
-
- //
- // Create and add the rumble noise.
- //
- _rumble = new FGSimpleSound(fgGetString("/sim/sounds/rumble",
- "Sounds/rumble.wav"));
- mgr->add(_rumble, "rumble");
-
- //
- // Create and add the squeal noise.
- //
- _squeal = new FGSimpleSound(fgGetString("/sim/sounds/squeal",
- "Sounds/squeal.wav"));
- mgr->add(_squeal, "squeal");
-
- //
- // Create and add the click noise.
- _click = new FGSimpleSound(fgGetString("/sim/sounds/click",
- "Sounds/click.wav"));
- mgr->add(_click, "click");
-}
+ SGPropertyNode *node = fgGetNode("/sim/sound", true);
-void
-FGFX::bind ()
-{
-}
+ string path_str = node->getStringValue("path");
+ SGPath path( globals->get_fg_root() );
+ if (path_str.empty()) {
+ SG_LOG(SG_GENERAL, SG_ALERT, "No path in /sim/sound/path");
+ return;
+ }
-void
-FGFX::unbind ()
-{
+ path.append(path_str.c_str());
+ SG_LOG(SG_GENERAL, SG_INFO, "Reading sound " << node->getName()
+ << " from " << path.str());
+
+ SGPropertyNode root;
+ try {
+ readProperties(path.str(), &root);
+ } catch (const sg_exception &) {
+ SG_LOG(SG_GENERAL, SG_ALERT,
+ "Error reading file '" << path.str() << '\'');
+ return;
+ }
+
+ node = root.getNode("fx");
+ if(node) {
+ for (int i = 0; i < node->nChildren(); ++i) {
+ SGXmlSound *sound = new SGXmlSound();
+
+ try {
+ sound->init(globals->get_props(), node->getChild(i), this,
+ _avionics, globals->get_fg_root());
+
+ _sound.push_back(sound);
+ } catch ( sg_exception &e ) {
+ SG_LOG(SG_GENERAL, SG_ALERT, e.getFormattedMessage());
+ delete sound;
+ }
+ }
+ }
}
+
void
-FGFX::update ()
+FGFX::reinit()
{
- // FGSoundMgr * mgr = globals->get_soundmgr();
-
-
- ////////////////////////////////////////////////////////////////////
- // Update the engine sound.
- ////////////////////////////////////////////////////////////////////
-
- if (fgGetBool("/engines/engine[0]/running")) { // FIXME
- // pitch corresponds to rpm
- // volume corresponds to manifold pressure
+ _sound.clear();
+ init();
+};
- double rpm_factor;
- if ( cur_fdm_state->get_num_engines() > 0 )
- rpm_factor = cur_fdm_state->get_engine(0)->get_RPM() / 2500.0;
- else
- rpm_factor = 1.0;
-
- double pitch = 0.3 + rpm_factor * 3.0;
- // don't run at absurdly slow rates -- not realistic
- // and sounds bad to boot. :-)
- if (pitch < 0.7)
- pitch = 0.7;
- if (pitch > 5.0)
- pitch = 5.0;
+void
+FGFX::update (double dt)
+{
+ bool active = _avionics_external->getBoolValue() ||
+ _internal->getBoolValue();
- double mp_factor;
- if ( cur_fdm_state->get_num_engines() > 0 )
- mp_factor = cur_fdm_state->get_engine(0)->get_Manifold_Pressure() / 100;
+ if ( active && _avionics_enabled->getBoolValue() )
+ _avionics->resume(); // no-op if already in resumed state
else
- mp_factor = 0.3;
-
- double volume = 0.15 + mp_factor / 2.0;
+ _avionics->suspend();
+ _avionics->set_volume( _avionics_volume->getFloatValue() );
- if (volume < 0.15)
- volume = 0.15;
- if (volume > 0.5)
- volume = 0.5;
+ if ( _enabled->getBoolValue() ) {
+ set_volume( _volume->getDoubleValue() );
+ resume();
- _engine->set_pitch( pitch );
- _engine->set_volume( volume );
- } else {
- _engine->set_pitch(0.0);
- _engine->set_volume(0.0);
- }
+ // update sound effects if not paused
+ for ( unsigned int i = 0; i < _sound.size(); i++ ) {
+ _sound[i]->update(dt);
+ }
-
- ////////////////////////////////////////////////////////////////////
- // Update the cranking sound.
- ////////////////////////////////////////////////////////////////////
-
- if (fgGetBool("/engines/engine[0]/cranking")) { // FIXME
- if(!_is_cranking) {
- globals->get_soundmgr()->play_looped("crank");
- _is_cranking = true;
- }
- } else {
- if(_is_cranking) {
- globals->get_soundmgr()->stop("crank");
- _is_cranking = false;
+ SGSampleGroup::update(dt);
}
- }
-
-
- ////////////////////////////////////////////////////////////////////
- // Update the wind noise.
- ////////////////////////////////////////////////////////////////////
-
- float rel_wind = cur_fdm_state->get_V_rel_wind();
- float volume = rel_wind/300.0; // FIXME!!!
- _wind->set_volume(volume);
-
-
- // TODO: stall
-
- // TODO: rumble
-
- // TODO: flaps
-
- // TODO: squeal
-
- // TODO: click
-
+ else
+ suspend();
}
// end of fg_fx.cxx