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Dont execute code in case the soundmanager isn't properly initialized

This commit is contained in:
ehofman 2009-09-08 17:06:13 +00:00 committed by Tim Moore
parent 049e1ae23e
commit 10611c1522

View file

@ -485,120 +485,122 @@ static void fgMainLoop( void ) {
globals->get_viewmgr()->update(real_delta_time_sec); globals->get_viewmgr()->update(real_delta_time_sec);
#ifdef ENABLE_AUDIO_SUPPORT #ifdef ENABLE_AUDIO_SUPPORT
// Right now we make a simplifying assumption that the primary if ( globals->get_soundmgr()->is_working() ) {
// aircraft is the source of all sounds and that all sounds are // Right now we make a simplifying assumption that the primary
// positioned in the aircraft base // aircraft is the source of all sounds and that all sounds are
// positioned in the aircraft base
static sgdVec3 last_listener_pos = {0, 0, 0}; static sgdVec3 last_listener_pos = {0, 0, 0};
static sgdVec3 last_model_pos = {0, 0, 0}; static sgdVec3 last_model_pos = {0, 0, 0};
// get the orientation // get the orientation
const SGQuatd view_or = current_view->getViewOrientation(); const SGQuatd view_or = current_view->getViewOrientation();
SGQuatd surf_or = SGQuatd::fromLonLat(current_view->getPosition()); SGQuatd surf_or = SGQuatd::fromLonLat(current_view->getPosition());
SGQuatd model_or = SGQuatd::fromYawPitchRollDeg( SGQuatd model_or = SGQuatd::fromYawPitchRollDeg(
globals->get_aircraft_model()->get3DModel()->getHeadingDeg(), globals->get_aircraft_model()->get3DModel()->getHeadingDeg(),
globals->get_aircraft_model()->get3DModel()->getPitchDeg(), globals->get_aircraft_model()->get3DModel()->getPitchDeg(),
globals->get_aircraft_model()->get3DModel()->getRollDeg()); globals->get_aircraft_model()->get3DModel()->getRollDeg());
// get the up and at vector in the aircraft base // get the up and at vector in the aircraft base
// (ok, the up vector is a down vector, but the coordinates // (ok, the up vector is a down vector, but the coordinates
// are finally calculated in a left hand system and openal // are finally calculated in a left hand system and openal
// lives in a right hand system. Therefore we need to pass // lives in a right hand system. Therefore we need to pass
// the down vector to get correct stereo sound.) // the down vector to get correct stereo sound.)
SGVec3d sgv_up = model_or.rotateBack( SGVec3d sgv_up = model_or.rotateBack(
surf_or.rotateBack(view_or.rotate(SGVec3d(0, 1, 0)))); surf_or.rotateBack(view_or.rotate(SGVec3d(0, 1, 0))));
sgVec3 up; sgVec3 up;
sgSetVec3(up, sgv_up[0], sgv_up[1], sgv_up[2]); sgSetVec3(up, sgv_up[0], sgv_up[1], sgv_up[2]);
SGVec3d sgv_at = model_or.rotateBack( SGVec3d sgv_at = model_or.rotateBack(
surf_or.rotateBack(view_or.rotate(SGVec3d(0, 0, 1)))); surf_or.rotateBack(view_or.rotate(SGVec3d(0, 0, 1))));
sgVec3 at; sgVec3 at;
sgSetVec3(at, sgv_at[0], sgv_at[1], sgv_at[2]); sgSetVec3(at, sgv_at[0], sgv_at[1], sgv_at[2]);
// get the location data for the primary FDM (now hardcoded to ac model)... // get the location data for the primary FDM (now hardcoded to ac model)...
SGGeod geodPos = globals->get_aircraft_model()->get3DModel()->getPosition(); SGGeod geodPos = globals->get_aircraft_model()->get3DModel()->getPosition();
SGVec3d model_pos = SGVec3d::fromGeod(geodPos); SGVec3d model_pos = SGVec3d::fromGeod(geodPos);
// Calculate speed of listener and model. This code assumes the // Calculate speed of listener and model. This code assumes the
// listener is either tracking the model at the same speed or // listener is either tracking the model at the same speed or
// stationary. // stationary.
sgVec3 listener_vel, model_vel; sgVec3 listener_vel, model_vel;
SGVec3d SGV3d_help; SGVec3d SGV3d_help;
sgdVec3 sgdv3_help; sgdVec3 sgdv3_help;
sgdVec3 sgdv3_null = {0, 0, 0}; sgdVec3 sgdv3_null = {0, 0, 0};
// the aircraft velocity as reported by the fdm (this will not // the aircraft velocity as reported by the fdm (this will not
// vary or be affected by frame rates or timing jitter.) // vary or be affected by frame rates or timing jitter.)
sgVec3 fdm_vel_vec; sgVec3 fdm_vel_vec;
sgSetVec3( fdm_vel_vec, sgSetVec3( fdm_vel_vec,
vn_fps->getDoubleValue() * SG_FEET_TO_METER, vn_fps->getDoubleValue() * SG_FEET_TO_METER,
ve_fps->getDoubleValue() * SG_FEET_TO_METER, ve_fps->getDoubleValue() * SG_FEET_TO_METER,
vd_fps->getDoubleValue() * SG_FEET_TO_METER ); vd_fps->getDoubleValue() * SG_FEET_TO_METER );
double fdm_vel = sgLengthVec3(fdm_vel_vec); double fdm_vel = sgLengthVec3(fdm_vel_vec);
// compute the aircraft velocity vector and scale it to the length // compute the aircraft velocity vector and scale it to the length
// of the fdm velocity vector. This gives us a vector in the // of the fdm velocity vector. This gives us a vector in the
// proper coordinate system, but also with the proper time // proper coordinate system, but also with the proper time
// invariant magnitude. // invariant magnitude.
sgdSubVec3( sgdv3_help, sgdSubVec3( sgdv3_help,
last_model_pos, model_pos.data()); last_model_pos, model_pos.data());
sgdAddVec3( last_model_pos, sgdv3_null, model_pos.data()); sgdAddVec3( last_model_pos, sgdv3_null, model_pos.data());
SGV3d_help = model_or.rotateBack( SGV3d_help = model_or.rotateBack(
surf_or.rotateBack(SGVec3d(sgdv3_help[0], surf_or.rotateBack(SGVec3d(sgdv3_help[0],
sgdv3_help[1], sgdv3_help[2]))); sgdv3_help[1], sgdv3_help[2])));
sgSetVec3( model_vel, SGV3d_help[0], SGV3d_help[1], SGV3d_help[2]); sgSetVec3( model_vel, SGV3d_help[0], SGV3d_help[1], SGV3d_help[2]);
float vel = sgLengthVec3(model_vel); float vel = sgLengthVec3(model_vel);
if ( fabs(vel) > 0.0001 ) { if ( fabs(vel) > 0.0001 ) {
if ( fabs(fdm_vel / vel) > 0.0001 ) { if ( fabs(fdm_vel / vel) > 0.0001 ) {
sgScaleVec3( model_vel, fdm_vel / vel ); sgScaleVec3( model_vel, fdm_vel / vel );
} }
} }
// check for moving or stationary listener (view position) // check for moving or stationary listener (view position)
sgdSubVec3( sgdv3_help, sgdSubVec3( sgdv3_help,
last_listener_pos, current_view->get_view_pos().data()); last_listener_pos, current_view->get_view_pos().data());
sgdAddVec3( last_listener_pos, sgdAddVec3( last_listener_pos,
sgdv3_null, current_view->get_view_pos().data()); sgdv3_null, current_view->get_view_pos().data());
if ( sgdLengthVec3(sgdv3_help) > 0.2 ) { if ( sgdLengthVec3(sgdv3_help) > 0.2 ) {
sgCopyVec3( listener_vel, model_vel ); sgCopyVec3( listener_vel, model_vel );
} else { } else {
sgSetVec3( listener_vel, 0.0, 0.0, 0.0 ); sgSetVec3( listener_vel, 0.0, 0.0, 0.0 );
} }
globals->get_soundmgr()->set_listener_vel( listener_vel ); globals->get_soundmgr()->set_listener_vel( listener_vel );
// set positional offset for sources // set positional offset for sources
sgdVec3 dsource_pos_offset; sgdVec3 dsource_pos_offset;
sgdSubVec3( dsource_pos_offset, sgdSubVec3( dsource_pos_offset,
current_view->get_view_pos().data(), current_view->get_view_pos().data(),
model_pos.data() ); model_pos.data() );
SGVec3d sgv_dsource_pos_offset = model_or.rotateBack( SGVec3d sgv_dsource_pos_offset = model_or.rotateBack(
surf_or.rotateBack(SGVec3d(dsource_pos_offset[0], surf_or.rotateBack(SGVec3d(dsource_pos_offset[0],
dsource_pos_offset[1], dsource_pos_offset[2]))); dsource_pos_offset[1], dsource_pos_offset[2])));
sgVec3 source_pos_offset; sgVec3 source_pos_offset;
sgSetVec3(source_pos_offset, sgv_dsource_pos_offset[0], sgSetVec3(source_pos_offset, sgv_dsource_pos_offset[0],
sgv_dsource_pos_offset[1], sgv_dsource_pos_offset[2]); sgv_dsource_pos_offset[1], sgv_dsource_pos_offset[2]);
globals->get_soundmgr()->set_source_pos_all( source_pos_offset ); globals->get_soundmgr()->set_source_pos_all( source_pos_offset );
float orient[6]; float orient[6];
for (int i = 0; i < 3; i++) { for (int i = 0; i < 3; i++) {
orient[i] = sgv_at[i]; orient[i] = sgv_at[i];
orient[i + 3] = sgv_up[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 );
} }
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 #endif
// END Tile Manager udpates // END Tile Manager udpates