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Commit the proper patch stupid :( now with the positioning and orientation code included...

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ehofman 2008-09-05 19:46:21 +00:00
parent 88b2ae1471
commit eada914350
1 changed files with 117 additions and 0 deletions
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117
src/Main/main.cxx
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@ -481,6 +481,13 @@ static void fgMainLoop( void ) {
"Elapsed time is zero ... we're zinging" );
}
// Run audio scheduler
#ifdef ENABLE_AUDIO_SUPPORT
if ( globals->get_soundmgr()->is_working() ) {
globals->get_soundmgr()->update( delta_time_sec );
}
#endif
globals->get_subsystem_mgr()->update(delta_time_sec);
//
@ -489,6 +496,7 @@ static void fgMainLoop( void ) {
// we may want to move this to its own class at some point
//
double visibility_meters = fgGetDouble("/environment/visibility-m");
FGViewer *current_view = globals->get_current_view();
globals->get_tile_mgr()->prep_ssg_nodes( visibility_meters );
// update tile manager for view...
@ -530,6 +538,115 @@ static void fgMainLoop( void ) {
// Do any I/O channel work that might need to be done (must come after viewmgr)
globals->get_io()->update(real_delta_time_sec);
#ifdef ENABLE_AUDIO_SUPPORT
// Right now we make a simplifying assumption that the primary
// aircraft is the source of all sounds and that all sounds are
// positioned in the aircraft base
static sgdVec3 last_visitor_pos = {0, 0, 0};
static sgdVec3 last_model_pos = {0, 0, 0};
// get the orientation
const SGQuatd view_or = current_view->getViewOrientation();
SGQuatd surf_or = SGQuatd::fromLonLatDeg(
current_view->getLongitude_deg(), current_view->getLatitude_deg());
SGQuatd model_or = SGQuatd::fromYawPitchRollDeg(
globals->get_aircraft_model()->get3DModel()->getHeadingDeg(),
globals->get_aircraft_model()->get3DModel()->getPitchDeg(),
globals->get_aircraft_model()->get3DModel()->getRollDeg());
// get the up and at vector in the aircraft base
// (ok, the up vector is a down vector, but the coordinates
// are finally calculated in a left hand system and openal
// lives in a right hand system. Therefore we need to pass
// the down vector to get correct stereo sound.)
SGVec3d sgv_up = model_or.rotateBack(
surf_or.rotateBack(view_or.rotate(SGVec3d(0, 1, 0))));
sgVec3 up;
sgSetVec3(up, sgv_up[0], sgv_up[1], sgv_up[2]);
SGVec3d sgv_at = model_or.rotateBack(
surf_or.rotateBack(view_or.rotate(SGVec3d(0, 0, 1))));
sgVec3 at;
sgSetVec3(at, sgv_at[0], sgv_at[1], sgv_at[2]);
// get the location data for the primary FDM (now hardcoded to ac model)...
SGLocation *acmodel_loc = NULL;
acmodel_loc = (SGLocation *)globals->
get_aircraft_model()->get3DModel()->getSGLocation();
// calculate speed of visitor and model
sgVec3 listener_vel, model_vel;
SGVec3d SGV3d_help;
sgdVec3 sgdv3_help;
sgdVec3 sgdv3_null = {0, 0, 0};
sgdSubVec3( sgdv3_help,
last_visitor_pos, (double *)&current_view->get_view_pos());
sgdAddVec3( last_visitor_pos, sgdv3_null, (double *)&current_view->get_view_pos());
SGV3d_help = model_or.rotateBack(
surf_or.rotateBack(SGVec3d(sgdv3_help[0],
sgdv3_help[1], sgdv3_help[2])));
sgSetVec3( listener_vel, SGV3d_help[0], SGV3d_help[1], SGV3d_help[2]);
sgdSubVec3( sgdv3_help,
last_model_pos, acmodel_loc->get_absolute_view_pos());
sgdAddVec3( last_model_pos, sgdv3_null, acmodel_loc->get_absolute_view_pos());
SGV3d_help = model_or.rotateBack(
surf_or.rotateBack(SGVec3d(sgdv3_help[0],
sgdv3_help[1], sgdv3_help[2])));
sgSetVec3( model_vel, SGV3d_help[0], SGV3d_help[1], SGV3d_help[2]);
if (delta_time_sec > 0) {
sgScaleVec3( model_vel, 1 / delta_time_sec );
sgScaleVec3( listener_vel, 1 / delta_time_sec );
}
// checking, if the listener pos has moved suddenly
if (sgLengthVec3(listener_vel) > 1000)
{
// check if the relative speed model vs listener has moved suddenly, too
sgVec3 delta_vel;
sgSubVec3(delta_vel, listener_vel, model_vel );
if (sgLengthVec3(delta_vel) > 1000)
sgSetVec3(listener_vel, model_vel[0], model_vel[1], model_vel[2] ); // a sane value
else
globals->get_soundmgr()->set_listener_vel( listener_vel );
}
else
globals->get_soundmgr()->set_listener_vel( listener_vel );
// set positional offset for sources
sgdVec3 dsource_pos_offset;
sgdSubVec3( dsource_pos_offset,
(double*) &current_view->get_view_pos(),
acmodel_loc->get_absolute_view_pos() );
SGVec3d sgv_dsource_pos_offset = model_or.rotateBack(
surf_or.rotateBack(SGVec3d(dsource_pos_offset[0],
dsource_pos_offset[1], dsource_pos_offset[2])));
sgVec3 source_pos_offset;
sgSetVec3(source_pos_offset, sgv_dsource_pos_offset[0],
sgv_dsource_pos_offset[1], sgv_dsource_pos_offset[2]);
globals->get_soundmgr()->set_source_pos_all( source_pos_offset );
float orient[6];
for (int i = 0; i < 3; i++) {
orient[i] = sgv_at[i];
orient[i + 3] = sgv_up[i];
}
globals->get_soundmgr()->set_listener_orientation( orient );
// set the velocity
// all sources are defined to be in the model
globals->get_soundmgr()->set_source_vel_all( model_vel );
// The listener is always positioned at the origin.
sgVec3 listener_pos;
sgSetVec3( listener_pos, 0.0, 0.0, 0.0 );
globals->get_soundmgr()->set_listener_pos( listener_pos );
#endif
// END Tile Manager udpates
if (!scenery_loaded && globals->get_tile_mgr()->isSceneryLoaded()