/**
* The method to use a code card. If the robot is in a place which contains a street in the
* direction he is looking at, then the street is opened or closed if the street code and the card
* code match
*
* @return If the codecard can complete the action of opening or closing a street. Otherwise it
* returns false
*/
@Override
public boolean use(RobotEngine r, NavigationModule nav) {
boolean ok = false;
Street calle = nav.getHeadingStreet();
if (calle != null) {
if (calle.isOpen()) ok = calle.close(this);
else ok = calle.open(this);
}
return ok;
}