class variable inrement

gistfile1.rb

# start new game
# ask players name
# introduce opponent from random opponents
# display info regarding current oponent wins/ties/losses
# player picks hand ( paper(p), rock(r) or scissors(s) ) 
# opponent picks hand
# result
# play again

def say(msg)
  puts "-----#{msg}-----"
end

# SHARED PLAYER CLASS
class Player
  @@num = 0 
  attr_accessor :option
  def initialize(option)
    @option = option
    @@num += 0.5
  end
  def msg
    puts "#{name} chooses #{option}"
  end
  def self.info
    puts "Games = #{@@num.to_i}"
  end
end

# PLAYER
class Human < Player
  attr_accessor :name
  def initialize(name, option)
    @name = name
    super(option)
  end
end

module OpponentsTally
  def message
    "#{@name} has won #{@@total_wins}, lost #{@@total_losses} and tied #{@@total_ties} games."
  end 
  def self.stats_update(w,l,t)
    @@total_wins += w
    @@total_losses += l
    @@total_ties += t
  end
end

# OPPONENT ONE
class Opponent1 < Player
    @@total_wins = 0
    @@total_losses = 0
    @@total_ties = 0
  attr_accessor :name
  def initialize(option)
    @name = "Frank"
    super(option)
  end
  include OpponentsTally 
end

# OPPONENT TWO
class Opponent2 < Player
    @@total_wins = 0
    @@total_losses = 0
    @@total_ties = 0
  attr_accessor :name
  def initialize(option)
    @name = "Dudley"
    super(option)
  end
  include OpponentsTally 
end

# OPPONENT THREE
class Opponent3 < Player
    @@total_wins = 0
    @@total_losses = 0
    @@total_ties = 0
  attr_accessor :name
  def initialize(option)
    @name = "Tony"
    super(option)
  end
  include OpponentsTally 
end

play_again = 'y'
until play_again != 'y'
  
  # WELCOME MESSAGE
  say 'Welcome to Paper, Rock, Scissors'
  sleep 0.5
  
  # OPPONENT CREATED AND INTRODUCED
  the_opponent = [Opponent1, Opponent2, Opponent3].sample.new('p')
  say "#{the_opponent.name} is your opponent for this game"
  sleep 1
  puts the_opponent.message
  sleep 1
  
  # PLAYER CREATED AND GAME STARTS
  puts 'What is your name?'
  player = gets.chomp
  puts 'Choose Paper(p), Rock(r) or Scissors(s)'
  opt = gets.chomp
  player_object = Human.new(player, opt)

  # CHOICES SUMMARY
  player_object.msg
  the_opponent.msg

  # RESULT & UPDATE STATS
  if player_object.option == the_opponent.option
    puts "DRAW"
    the_opponent.stats_update(0,0,1)
  elsif player_object.option == 'p' && the_opponent.option == 'r'
    puts "PAPER WRAPS ROCK AND STRANGELY THAT MEANS YOU WIN I SUPPOSE"
    the_opponent.stats_update(0,1,0)
  elsif player_object.option == 'r' && the_opponent.option == 's'
    puts "ROCK TOTALLY SMASHES SCISSORS YOU WIN"
    the_opponent.stats_update(0,1,0)  
  elsif player_object.option == 's' && the_opponent.option == 'p'
    puts "SCISSORS CUTS THROUGH PAPER YOU WIN"
    the_opponent.stats_update(0,1,0)    
  elsif player_object.option == 'p' && the_opponent.option == 's'
    puts "SCISSORS CUT PAPER AND YOU HAVE PAPER YOU LOSE"
    the_opponent.stats_update(1,0,0)
  elsif player_object.option == 'r' && the_opponent.option == 'p'
    puts "PAPER COVERS ROCK YOU LOSE"
    the_opponent.stats_update(1,0,0)
  elsif player_object.option == 's' && the_opponent.option == 'r'
    puts "YOPUR SCISSORS GET SMASHED BUT ROCK YOU LOSE"
    the_opponent.stats_update(1,0,0)
  end

  # EXIT MESSAGE
  puts the_opponent.message


  # puts Player.info
  say "PLAY AGAIN? (y/n)"
  play_again = gets.chomp
end