src/authoring/gamestate/GameState.java
public void addLevel(Level level) {
		if(!state.contains(level)) {
			state.add(level);
		}
	}
/**
	 * Updates the current state by adding a new level object to the list of levels.
	 * @param level The level object to add
	 */
Updates the current state by adding a new level object to the list of levels.
@param level The level object to add
Updates the current state by adding a new level object to the list of levels . @param level The level object to add
public void addLevel(Level level) {
		if(!state.contains(level)) {
			state.add(level);
		}
	}
public void addLevel ( Level level ) { if ( ! state . contains ( level ) ) { state . add ( level ) ; } }
Updates the current state by adding a new level object to the list of levels.
Updates the current state by adding a new level object to the list of levels .