Ruby Warrior

file.rb

class Player
  @hitBackWall = false
  def play_turn(warrior)
    taking_damage = false
    
    if @health.nil? 
      @health = warrior.health
    end
    
    if warrior.health < @health
      taking_damage = true
    end
    
    @health = warrior.health
    
    if warrior.health < 20 && warrior.feel.empty? && !taking_damage
      warrior.rest!
    elsif taking_damage && warrior.health < 10
      warrior.walk!(:backward)
    elsif warrior.feel.empty? == false
        if warrior.feel.captive?
          warrior.rescue!
        elsif warrior.feel.wall?
          warrior.pivot!
        else
          warrior.attack!
        end
    else
      if warrior.feel(:backward).empty? && !@hitBackWall
        warrior.walk!(:backward)
      else
        if warrior.feel(:backward).captive?
          warrior.rescue!(:backward)
        elsif warrior.feel(:backward).wall?
          @hitBackWall = true
          warrior.walk!
        else
          print warrior.look
          if (!warrior.look[2].nil? && warrior.look[2].enemy?) || (!warrior.look[3].nil? && warrior.look[3].enemy?)
            warrior.shoot!
          else
            warrior.walk!
          end
        end
      end
      
    end
  end
end