// $Id$
#include "fg_fx.hxx"
+#include <Main/fg_props.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),
+ : _old_flap_position(0),
_engine(0),
_crank(0),
_wind(0),
_rumble(0),
_flaps(0),
_squeal(0),
- _click(0)
+ _click(0),
+ _engine_running_prop(0),
+ _engine_cranking_prop(0),
+ _stall_warning_prop(0),
+ _flaps_prop(0)
{
}
//
_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() );
-
+ mgr->add(_engine, "engine");
//
// Create and add the cranking sound.
//
- _crank =
- new FGSimpleSound(fgGetString("/sim/sounds/cranking",
- "Sounds/cranking.wav"));
- mgr->add(_crank, "crank");
+ _crank = new FGSimpleSound(fgGetString("/sim/sounds/cranking",
+ "Sounds/cranking.wav"));
_crank->set_pitch(1.5);
_crank->set_volume(0.25);
+ mgr->add(_crank, "crank");
//
// Create and add the wind noise.
//
- _wind =
- new FGSimpleSound(fgGetString("/sim/sounds/wind", "Sounds/wind.wav"));
+ _wind = new FGSimpleSound(fgGetString("/sim/sounds/wind",
+ "Sounds/wind.wav"));
mgr->add(_wind, "wind");
- mgr->play_looped("wind");
//
"Sounds/rumble.wav"));
mgr->add(_rumble, "rumble");
+
+ //
+ // Create and add the flaps noise
+ //
+ _flaps = new FGSimpleSound(fgGetString("/sim/sounds/flaps",
+ "Sounds/flaps.wav"));
+ mgr->add(_flaps, "flaps");
+
//
// Create and add the squeal noise.
//
_click = new FGSimpleSound(fgGetString("/sim/sounds/click",
"Sounds/click.wav"));
mgr->add(_click, "click");
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Grab some properties.
+ ////////////////////////////////////////////////////////////////////
+
+ _engine_running_prop = fgGetNode("/engines/engine[0]/running", true);
+ _engine_cranking_prop = fgGetNode("/engines/engine[0]/cranking", true);
+ _stall_warning_prop = fgGetNode("/sim/aircraft/alarms/stall-warning", true);
+ _flaps_prop = fgGetNode("/controls/flaps", true);
}
void
void
FGFX::update ()
{
- // FGSoundMgr * mgr = globals->get_soundmgr();
+ FGSoundMgr * mgr = globals->get_soundmgr();
////////////////////////////////////////////////////////////////////
// Update the engine sound.
////////////////////////////////////////////////////////////////////
- if (fgGetBool("/engines/engine[0]/running")) { // FIXME
+ if (_engine_running_prop->getBoolValue()) {
// pitch corresponds to rpm
// volume corresponds to manifold pressure
_engine->set_pitch( pitch );
_engine->set_volume( volume );
+ set_playing("engine", true);
} else {
- _engine->set_pitch(0.0);
- _engine->set_volume(0.0);
+ set_playing("engine", false);
}
// Update the cranking sound.
////////////////////////////////////////////////////////////////////
- if (fgGetBool("/engines/engine[0]/cranking")) { // FIXME
- if(!_is_cranking) {
- globals->get_soundmgr()->play_looped("crank");
- _is_cranking = true;
- }
+ // FIXME
+ set_playing("crank", _engine_cranking_prop->getBoolValue());
+
+
+ ////////////////////////////////////////////////////////////////////
+ // Update the wind noise.
+ ////////////////////////////////////////////////////////////////////
+
+ float rel_wind = cur_fdm_state->get_V_rel_wind(); // FPS
+ if (rel_wind > 60.0) { // a little off 30kt
+ float volume = rel_wind/1200.0; // FIXME!!!
+ _wind->set_volume(volume);
+ set_playing("wind", true);
} else {
- if(_is_cranking) {
- globals->get_soundmgr()->stop("crank");
- _is_cranking = false;
- }
+ set_playing("wind", false);
}
////////////////////////////////////////////////////////////////////
- // Update the wind noise.
+ // Update the stall horn.
////////////////////////////////////////////////////////////////////
- float rel_wind = cur_fdm_state->get_V_rel_wind();
- float volume = rel_wind/300.0; // FIXME!!!
- _wind->set_volume(volume);
+ double stall = _stall_warning_prop->getDoubleValue();
+ if (stall > 0.0) {
+ _stall->set_volume(stall);
+ set_playing("stall", true);
+ } else {
+ set_playing("stall", false);
+ }
- // TODO: stall
+ ////////////////////////////////////////////////////////////////////
+ // Update the rumble.
+ ////////////////////////////////////////////////////////////////////
- // TODO: rumble
+ float totalGear = min(cur_fdm_state->get_num_gear(), MAX_GEAR);
+ float gearOnGround = 0;
+
+
+ // Calculate whether a squeal is
+ // required, and set the volume.
+ // Currently, the squeal volume is the
+ // current local down velocity in feet
+ // per second divided by 10.0, and
+ // will not be played if under 0.1.
+
+ // FIXME: take rotational velocities
+ // into account as well.
+ for (int i = 0; i < totalGear; i++) {
+ if (cur_fdm_state->get_gear_unit(i)->GetWoW()) {
+ gearOnGround++;
+ if (!_gear_on_ground[i]) {
+ double squeal_volume = cur_fdm_state->get_V_down() / 5.0;
+ if (squeal_volume > 0.1) {
+ _squeal->set_volume(squeal_volume);
+ mgr->play_once("squeal");
+ }
+ _gear_on_ground[i] = true;
+ }
+ } else {
+ _gear_on_ground[i] = false;
+ }
+ }
- // TODO: flaps
+ // Now, if any of the gear is in
+ // contact with the ground play the
+ // rumble sound. The volume is the
+ // absolute velocity in knots divided
+ // by 120.0. No rumble will be played
+ // if the velocity is under 6kt.
+ double speed = cur_fdm_state->get_V_equiv_kts();
+ if (gearOnGround > 0 && speed >= 6.0) {
+ double volume = (gearOnGround/totalGear) * (speed/60.0);
+ _rumble->set_volume(volume);
+ set_playing("rumble", true);
+ } else {
+ set_playing("rumble", false);
+ }
- // TODO: squeal
+
+ ////////////////////////////////////////////////////////////////////////
+ // Check for flap movement.
+ ////////////////////////////////////////////////////////////////////
+
+ double flap_position = _flaps_prop->getDoubleValue();
+ if (fabs(flap_position - _old_flap_position) > 0.1) {
+ mgr->play_once("flaps");
+ _old_flap_position = flap_position;
+ }
// TODO: click
}
+
+void
+FGFX::set_playing (const char * soundName, bool state)
+{
+ FGSoundMgr * mgr = globals->get_soundmgr();
+ bool playing = mgr->is_playing(soundName);
+ if (state && !playing)
+ mgr->play_looped(soundName);
+ else if (!state && playing)
+ mgr->stop(soundName);
+}
+
// end of fg_fx.cxx
projects / flightgear.git / blobdiff