Method SetupAudio

trinity/Eve/SpaceObjectFactory/EveSOF.cpp:2040–2080

-------------------------------------------------------------------------------- Description: add audio children to the space object --------------------------------------------------------------------------------

//   add audio children to the space object
// --------------------------------------------------------------------------------
void EveSOF::SetupAudio( ITr2SoundEmitterOwnerPtr newObj, const EveSOFDNAPtr dna, const Matrix& parentOffset ) const
{
	auto& hullEmitters = dna->GetHullSoundEmitters();

	Quaternion parentRotation;
	Vector3 tmp, tmp2;
	Decompose( tmp, parentRotation, tmp2, parentOffset );

	for( auto cit = begin( hullEmitters ); cit != end( hullEmitters ); ++cit )
	{
		TriObserverLocalPtr observer;
		observer.CreateInstance();
		observer->m_name = cit->name;
		observer->SetPosition( XMVector3TransformCoord( cit->position, parentOffset ) );

		// Convert rotation to a front value
		Vector3 front;
		static const Vector3 zAxis( 0.f, 0.f, 1.f );
		Quaternion rot = cit->rotation * parentRotation;
		TriVectorRotateQuaternion( &front, &zAxis, &rot );

		observer->SetFront( front );

		IBluePlacementObserverPtr emitter;
		BeClasses->CreateInstanceFromName( "AudEmitter", BlueInterfaceIID<IBluePlacementObserver>(), reinterpret_cast<void**>( &emitter.p ) );
		if( !emitter )
		{
			CCP_LOGERR( "EveSOF: failed to create an audio emitter" );
			continue;
		}
		observer->SetObserver( emitter );
		newObj->AddObserver( observer );

		ITr2AudEmitterPtr theRealEmitter;
		if( emitter->QueryInterface( BlueInterfaceIID<ITr2AudEmitter>(), reinterpret_cast<void**>( &theRealEmitter.p ), BEQI_SILENT ) && theRealEmitter )
		{
			theRealEmitter->Initialize( cit->name.c_str(), cit->prefix.c_str(), XMVector3TransformCoord( cit->position, parentOffset ) );
			theRealEmitter->SetAttenuationScalingFactor( cit->attenuationScalingFactor );
		}
	}
}


// --------------------------------------------------------------------------------