/**
* adds an action to the action stack
*
* @see Game\Action.Action::addAction()
* @return Game\Grid
*/
public function addAction(AbstractAction $action)
{
$this->actions[$action->getName()] = $action;
$action->setGrid($this);
return $this;
}
/**
* adds an action to the action stack
*
* @see Game\Action.Action::addAction()
* @return Game\Tile
*/
public function addAction(AbstractAction $action)
{
$action->setSubject($this);
$this->actions[$action->getName()] = $action;
return $this;
}