Method loadBuildData_

source/MRIOExtras/MR3mf.cpp:513–559

}

Expected<void> Node::loadBuildData_( ThreeMFLoader& loader, const tinyxml2::XMLElement* xmlNode )
{
    for ( auto itemNode = xmlNode->FirstChildElement( "item" ); itemNode; itemNode = itemNode->NextSiblingElement( "item" ) )
    {
        auto objIdAttr = itemNode->Attribute( "objectid" );
        if ( !objIdAttr )
            continue;

        const int objId = std::stoi( objIdAttr );

        auto nodeRes = loader.getNodeById_( objId, itemNode->Attribute( "p:path" ) );
        if ( !nodeRes.has_value() )
            return unexpected( std::move( nodeRes.error() ) );

        auto* objNode = *nodeRes;
        assert( objNode );
        assert( objNode->obj_ );

        auto transformAttr = itemNode->Attribute( "transform" );
        if ( objNode->obj_->parent() )
        {
            // need to clone in case of referencing existing objects:
            // 
            // obj-1: mesh
            // obj-2: mesh
            // obj-3: group obj-1,obj-2
            // 
            // build: obj-3, obj-1
            objNode->obj_ = objNode->obj_->cloneTree();
            // need to clone before setting XF
        }
        if ( transformAttr )
        {
            auto resXf = parseAffineXf( std::string( transformAttr ) );
            if ( !resXf )
                return unexpected( resXf.error() );

            if ( resXf->A.det() == 0 )
                loader.warnings.append( "Degenerate object transform: " + objNode->obj_->name() + "\n" );

            objNode->obj_->setXf( *resXf );
        }
        loader.objectNodes_.push_back( objNode );
    }

    return {};
}

Expected<void> Node::load( ThreeMFLoader& loader )
{