Method EndUpdate

trinity/Tr2ImpostorManager.cpp:293–343

-------------------------------------------------------------------------------------- Description: Finishes the manager update. Should be called after all Add calls. --------------------------------------------------------------------------------------

//   Finishes the manager update. Should be called after all Add calls.
// --------------------------------------------------------------------------------------
void Tr2ImpostorManager::EndUpdate()
{
	std::vector<ITr2ImpostorSource*> remove;
	for( auto it = m_objects.begin(); it != m_objects.end(); ++it )
	{
		if( !it->second.used )
		{
			m_atlas.Drop( it->second.texcoord );
			remove.push_back( it->first );
		}
		else
		{
			Vector4 sphere, oldSphere;
			it->first->GetImpostorBoundingSphere( sphere );
			it->first->GetLastImpostorBoundingSphere( oldSphere );

			ImposterVertex vertex;
			vertex.position = sphere;
			vertex.oldPosition = oldSphere;
			vertex.texCoord = it->second.texcoord;
			Tr2QuadRenderer::Instance()->AddQuads( m_effectKey, &vertex, 1 );
		}
	}
	for( auto it = remove.begin(); it != remove.end(); ++it )
	{
		m_objects.erase( *it );
	}

	if( m_renderQueue.size() < m_maxUpdates )
	{
		std::vector<std::pair<ITr2ImpostorSource*, Impostor*>> all;
		all.reserve( m_objects.size() );
		for( auto it = m_objects.begin(); it != m_objects.end(); ++it )
		{
			if( !it->second.render && it->second.renderPriority > 0.f )
			{
				all.push_back( std::make_pair( it->first, &it->second ) );
			}
		}
		std::sort( all.begin(), all.end(), &CompareImpostors );
		size_t count = std::min( m_maxUpdates - m_renderQueue.size(), all.size() );
		for( size_t i = 0; i < count; ++i )
		{
			m_renderQueue.push_back( all[i].first );
		}
	}

	Tr2Variable altas( "ImposterAtlasMap", m_rt );
	Vector4 itemSize( float( m_itemWidth ) / float( m_width ), float( m_itemHeight ) / float( m_height ), 0.f, 0.f );
	Tr2Variable itemSizeVar( "ImposterItemSize", itemSize );
}

// --------------------------------------------------------------------------------------
// Description: