Warcraft Barracks 3

barracks.rb

class Barracks

  attr_reader :gold, :food

      def initialize
        @gold = 1000
        @food = 80
        @footman_training_gold = 135
        @footman_training_food = 2
        @peasant_training_gold = 90
        @peasant_training_food = 5

      end

      def can_train_footman?
        if (self.gold >= @footman_training_gold && self.food >= @footman_training_food)
        true
        else
        false
        end
      end

      def train_footman
        if can_train_footman? == true
        @gold -= @footman_training_gold
        @food -= @footmn_training_food
        Footman.new
        else
        nil
      end
    end

      def can_train_peasant?
        if (self.gold >= @peasant_training_gold && self.food >= @peasant_training_food)
        true
        else
        false
        end
      end

      def train_peasant
        if can_train_peasant? == true
        @gold -= @peasant_training_gold
        @food -= @peasant_training_food
        Peasant.new
        else
        nil
      end
    end
end

footman.rb

# http://classic.battle.net/war3/human/units/footman.shtml

class Footman < Unit

  # attr_accessor :health_points, :attack_power

  def initialize
    super(60,10)
    # @health_points = 60
    # @attack_power = 10
    # Need to default the 2 instance variables here
    # Also also give code outside this class access to these variables (via attr_reader, attr_writer or attr_accessor)
  end

  def attack!(enemy)
    super
  end

  def damage(ap)
    super
  end

end

peasant.rb

class Peasant < Unit

  def initialize
    super(35, 0)
  end

  def attack!(enemy)
    super
  end

  def damage(ap)
    super
  end

end

unit.rb

class Unit

  attr_reader :health_points, :attack_power

  def initialize(hp,ap)
    @health_points = hp
    @attack_power = ap
  end

  def attack!(enemy)
    enemy.damage(@attack_power)
  end

  def damage(ap)
    @health_points -= ap
  end

end