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Sound effect changes from David Megginson.

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This commit is contained in:
curt 2001-10-29 04:39:54 +00:00
parent 2a00ebf9b4
commit 5cf725035f
1 changed files with 4 additions and 97 deletions
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101
src/Main/main.cxx
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@ -90,6 +90,7 @@
#include <Scenery/tilemgr.hxx>
#ifdef ENABLE_AUDIO_SUPPORT
# include <Sound/soundmgr.hxx>
# include <Sound/fg_fx.hxx>
# include <Sound/morse.hxx>
#endif
#include <Time/event.hxx>
@ -160,13 +161,6 @@ static long global_multi_loop;
// forward declaration
void fgReshape( int width, int height );
// Global structures for the Audio library
#ifdef ENABLE_AUDIO_SUPPORT
static FGSimpleSound *s1;
static FGSimpleSound *s2;
#endif
// ssg variables
ssgRoot *scene = NULL;
ssgBranch *terrain = NULL;
@ -1207,7 +1201,7 @@ static void fgMainLoop( void ) {
if ( global_multi_loop > 0 ) {
fgUpdateTimeDepCalcs();
} else {
SG_LOG( SG_ALL, SG_INFO,
SG_LOG( SG_ALL, SG_DEBUG,
"Elapsed time is zero ... we're zinging" );
}
@ -1228,72 +1222,8 @@ static void fgMainLoop( void ) {
// Run audio scheduler
#ifdef ENABLE_AUDIO_SUPPORT
static bool bCranking;
if ( fgGetBool("/sim/sound") && globals->get_soundmgr()->is_working() ) {
if ( fgGetString("/sim/aircraft") == "c172" ) {
if(fgGetBool("/engines/engine[0]/running")) {
// pitch corresponds to rpm
// volume corresponds to manifold pressure
// cout << "AUDIO working = "
// << globals->get_soundmgr()->is_working() << endl;
double rpm_factor;
if ( cur_fdm_state->get_engine(0) != NULL ) {
rpm_factor = cur_fdm_state->get_engine(0)->get_RPM() / 2500.0;
} else {
rpm_factor = 1.0;
}
// cout << "rpm = " << cur_fdm_state->get_engine(0)->get_RPM()
// << endl;
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; }
double mp_factor;
if ( cur_fdm_state->get_engine(0) != NULL ) {
mp_factor = cur_fdm_state->get_engine(0)->get_Manifold_Pressure() / 100;
} else {
mp_factor = 0.3;
}
/* cout << "mp = "
<< cur_fdm_state->get_engine(0)->get_Manifold_Pressure()
<< endl; */
double volume = 0.15 + mp_factor / 2.0;
if ( volume < 0.15 ) { volume = 0.15; }
if ( volume > 0.5 ) { volume = 0.5; }
// cout << "volume = " << volume << endl;
s1->set_pitch( pitch );
s1->set_volume( volume );
} else {
s1->set_pitch(0.0);
s1->set_volume(0.0);
}
if(fgGetBool("/engines/engine[0]/cranking")) {
if(!bCranking) {
globals->get_soundmgr()->play_looped("cranking");
bCranking = true;
}
} else {
if(bCranking) {
globals->get_soundmgr()->stop("cranking");
bCranking = false;
}
}
} else { // Not C172
double param
= globals->get_controls()->get_throttle( 0 ) * 2.0 + 1.0;
s1->set_pitch( param );
s1->set_volume( param );
}
globals->get_fx()->update();
globals->get_soundmgr()->update();
}
#endif
@ -1341,30 +1271,6 @@ static void fgIdleFunction ( void ) {
}
#endif // !WIN32
FGSoundMgr *soundmgr = new FGSoundMgr;
globals->set_soundmgr( soundmgr );
if ( fgGetBool("/sim/sound") ) {
globals->get_soundmgr()->init();
s1 = new FGSimpleSound( fgGetString("/sim/sounds/engine",
"Sounds/wasp.wav") );
globals->get_soundmgr()->add( s1, "engine loop" );
globals->get_soundmgr()->play_looped( "engine loop" );
SG_LOG( SG_GENERAL, SG_INFO,
"Rate = " << s1->get_sample()->getRate()
<< " Bps = " << s1->get_sample()->getBps()
<< " Stereo = " << s1->get_sample()->getStereo() );
// s2 = new FGSimpleSound( "Sounds/corflaps.wav" );
// s2->set_volume( 0.3 );
// globals->get_soundmgr()->add( s2, "flaps" );
s2 = new FGSimpleSound( fgGetString("/sim/sounds/engine",
"Sounds/cranking.wav") );
globals->get_soundmgr()->add( s2, "cranking" );
s2->set_pitch(1.5);
s2->set_volume(0.25);
}
#endif
idle_state++;
@ -1540,6 +1446,7 @@ int fgGlutInitEvents( void ) {
// Main loop
int mainLoop( int argc, char **argv ) {
#if defined( macintosh )
freopen ("stdout.txt", "w", stdout );
freopen ("stderr.txt", "w", stderr );