bool LuaScriptInterface::loadDirectory(const std::string& dir, Npc* npc/* = NULL*/)
{
    StringVec files;
    for(boost::filesystem::directory_iterator it(dir), end; it != end; ++it)
    {
        std::string s = it->leaf();
        if(!boost::filesystem::is_directory(it->status()) && (s.size() > 4 ? s.substr(s.size() - 4) : "") == ".lua")
            files.push_back(s);
    }

    std::sort(files.begin(), files.end());
    for(StringVec::iterator it = files.begin(); it != files.end(); ++it)
    {
        if(!loadFile(dir + (*it), npc))
            return false;
    }

    return true;
}