Method addParent

src/serializers/ColladaSerializer.cpp:231–273

}

void ColladaSerializer::ColladaExporter::ColladaScene::addParent(const IfcGeom::Element& parent){
	//we open the visual scene tag if it's not.
	if (!scene_opened) {
		openVisualScene(scene_id);
		scene_opened = true;
	}

	const IfcGeom::Transformation& parent_trsf = parent.transformation();

	auto transformation_towrite = parent_trsf.data()->ccomponents();

	// If this is not the first parent, get the relative placement
	if (parentNodes.size() > 0) {
		// @todo check order
		transformation_towrite = matrixStack.top().ccomponents() * transformation_towrite;
	}

	const auto& posmatrix = transformation_towrite;

	double matrix_array[4][4] = {
		{ (double)posmatrix(0,0), (double)posmatrix(0,1), (double)posmatrix(0,2), (double)posmatrix(0,3) },
		{ (double)posmatrix(1,0), (double)posmatrix(1,1), (double)posmatrix(1,2), (double)posmatrix(1,3) },
		{ (double)posmatrix(2,0), (double)posmatrix(2,1), (double)posmatrix(2,2), (double)posmatrix(2,3) },
		{ (double)posmatrix(3,0), (double)posmatrix(3,1), (double)posmatrix(3,2), (double)posmatrix(3,3) }
	};

    std::string name = serializer->object_id(&parent);
	collada_id(name);

	COLLADASW::Node *current_node;
	current_node = new COLLADASW::Node(mSW);
	current_node->setNodeId(name);
    /// @todo redundant information using ID as both ID and Name, maybe omit Name or allow specifying what would be used as the name
	current_node->setNodeName(name);
	current_node->setType(COLLADASW::Node::NODE);
	current_node->start();
	current_node->addMatrix(matrix_array);

	// Add the node to the parent stack
	matrixStack.push(ifcopenshell::geometry::taxonomy::matrix4(parent_trsf.data()->ccomponents().inverse()));
	parentNodes.push(current_node);
	serializer->parentStackId.push(parent.id());
}

void ColladaSerializer::ColladaExporter::ColladaScene::closeParent()
{