Method UpdateVisibility

trinity/Eve/SpaceObject/EveSpaceObject2.cpp:1601–1740

}

void EveSpaceObject2::UpdateVisibility( const EveUpdateContext& updateContext, const Matrix& parentTransform )
{
	CCP_STATS_ZONE( __FUNCTION__ );

	m_isVisible = false;
	m_isMeshVisible = false;

	if( !m_display )
	{
		return;
	}
	m_lodLevel = TR2_LOD_LOW;
	m_lodLevelWithChildren = TR2_LOD_LOW;
	m_impostorMode = false;
	auto& frustum = updateContext.GetFrustum();
	auto minLodThreshold = updateContext.GetLowDetailThreshold();
	auto mediumLodThreshold = updateContext.GetMediumDetailThreshold();
	auto invLodFactor = updateContext.GetLodFactor();

	if( m_boundingSphereRadius > 0.0f )
	{
		if( frustum.IsSphereVisible( m_boundingSphereWorldCenter, m_boundingSphereWorldRadius ) )
		{
			EstimatePixelDiameter( frustum );
			m_isMeshVisible = true;
		}
	}

	if( !m_attachments.empty() )
	{
		size_t boneCount = 0;
		const Float4x3* bones = nullptr;
		Tr2GrannyAnimationUtils::GetBoneList( m_animationUpdater, bones, boneCount );

		for( auto it = begin( m_attachments ); it != end( m_attachments ); ++it )
		{
			if( ( *it )->UpdateVisibility( updateContext, m_worldTransform, bones, boneCount ) )
			{
				m_isMeshVisible = true;
				m_isVisible = true;
			}
		}
	}

	Vector4 bounds;
	if( DisplayChildren() )
	{
		for( IEveTransformVector::const_iterator it = m_children.begin(); it != m_children.end(); ++it )
		{
			IEveTransform* p = *it;
			p->UpdateVisibility( updateContext, m_worldTransform );
		}
	}
	if( GetBoundingSphere( bounds, EVE_BOUNDS_WITH_CHILDREN ) )
	{
		m_isInFrustum = frustum.IsSphereVisible( &bounds );
		m_estimatedPixelDiameterWithChildren = frustum.GetPixelSizeAccrossEst( &bounds );
		if( m_isInFrustum && m_estimatedPixelDiameterWithChildren >= updateContext.GetVisibilityThreshold() )