Function UpdateTogglableNodes

Rtxpt/SampleUI.cpp:2299–2326

}

void UpdateTogglableNodes(std::vector<TogglableNode>& togglableNodes, donut::engine::SceneGraphNode* node)
{
    auto addIfTogglable = [ & ](const std::string & token, SceneGraphNode* node) -> TogglableNode *
    {
        const size_t tokenLen = token.length();
        const std::string name = node->GetName();   const size_t nameLen = name.length();
        if (nameLen > tokenLen && name.substr(nameLen - tokenLen) == token)
        {
            TogglableNode tn;
            tn.SceneNode = node;
            tn.UIName = name.substr(0, nameLen - tokenLen);
            tn.OriginalTranslation = node->GetTranslation();
            togglableNodes.push_back(tn);
            return &togglableNodes.back();
        }
        return nullptr;
    };
    TogglableNode * justAdded = addIfTogglable("_togglable", node);
    if (justAdded==nullptr)
    {
        justAdded = addIfTogglable("_togglable_off", node);
        if( justAdded != nullptr )
            justAdded->SetSelected(false);
    }

    for (int i = (int)node->GetNumChildren() - 1; i >= 0; i--)
        UpdateTogglableNodes( togglableNodes, node->GetChild(i) );
}