modules

gistfile1.txt

module BeginState

  def add_player
    # really add the player
  end

  def add_ship
    # really do it
  end

  def shoot
    puts "You cannot shoot while we are setting up"
  end

end

module PlayingState


  def add_player
    puts "You cannot add a player now that the game has started"
  end

  def add_ship
    puts "Stop Cheating!"
  end

  def shoot
    # actually do the shoot method
  end

end

module EndGameState

  def announce_game_is_over
    puts "Start a new game"
  end
  
  alias_method :add_player, :announce_game_is_over
  alias_method :add_ship, :announce_game_is_over
  alias_method :shoot, :announce_game_is_over

end