Method createEntityFromSelection

radiantcore/entity/EntityModule.cpp:123–248

}

IEntityNodePtr Doom3EntityModule::createEntityFromSelection(const std::string& name, const Vector3& origin)
{
    // Obtain the structure containing the selection counts
    const SelectionInfo& info = GlobalSelectionSystem().getSelectionInfo();

    IEntityClassPtr entityClass = GlobalEntityClassManager().findOrInsert(name, true);

    // TODO: to be replaced by inheritance-based class detection
    bool isModel = (info.totalCount == 0 && name == "func_static");

    // Some entities are based on the size of the currently-selected primitive(s)
    bool primitivesSelected = info.brushCount > 0 || info.patchCount > 0;

    if (!(entityClass->isFixedSize() || isModel) && !primitivesSelected) {
        throw cmd::ExecutionFailure(
            fmt::format(_("Unable to create entity {0}, no brushes selected."), name)
        );
    }

    // Get the selection workzone bounds
    AABB workzone = GlobalSelectionSystem().getWorkZone().bounds;

    // Create the new node for the entity
    IEntityNodePtr node(GlobalEntityModule().createEntity(entityClass));

    GlobalSceneGraph().root()->addChildNode(node);

    // The layer list we're moving the newly created node/subgraph into
    scene::LayerList targetLayers;

    if (entityClass->isFixedSize() || (isModel && !primitivesSelected))
    {
        selection::algorithm::deleteSelection();

        ITransformablePtr transform = scene::node_cast<ITransformable>(node);

        if (transform != 0) {
            transform->setType(TRANSFORM_PRIMITIVE);
            transform->setTranslation(origin);
            transform->freezeTransform();
        }

        GlobalSelectionSystem().setSelectedAll(false);

        // Move the item to the active layer
        if (GlobalMapModule().getRoot())
        {
            targetLayers.insert(GlobalMapModule().getRoot()->getLayerManager().getActiveLayer());
        }

        Node_setSelected(node, true);
    }
    else // brush-based entity
    {
        // Add selected brushes as children of non-fixed entity
        node->getEntity().setKeyValue("model", node->getEntity().getKeyValue("name"));

        // Take the selection center as new origin