public function init()
 {
     if (!($this->_user = Model_Users::getInstance()->current_user())) {
         $params = array('error' => 'You must be logged in to play Syner-G');
         $this->forward('index', 'index', NULL, $params);
         return FALSE;
     }
     $this->_active_session = Synerg_Model_Gamesessions::getInstance()->active_session();
     return parent::init();
 }