Class: Hand

Inherits:
Object
  • Object
show all
Defined in:
lib/blackjack/hand.rb

Direct Known Subclasses

DealerHand, PlayerHand

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(blackjack) ⇒ Hand

Returns a new instance of Hand.



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# File 'lib/blackjack/hand.rb', line 6

def initialize(blackjack)
  @blackjack = blackjack
  @played = false
  @cards = []
end

Instance Attribute Details

#blackjack ⇒ Object

Returns the value of attribute blackjack.



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# File 'lib/blackjack/hand.rb', line 4

def blackjack
  @blackjack
end

#cards ⇒ Object

Returns the value of attribute cards.



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# File 'lib/blackjack/hand.rb', line 4

def cards
  @cards
end

#played ⇒ Object

Returns the value of attribute played.



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# File 'lib/blackjack/hand.rb', line 4

def played
  @played
end

Instance Method Details

#blackjack? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/blackjack/hand.rb', line 20

def blackjack?
  cards.size == 2 && value(:soft) == 21
end

#busted? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/blackjack/hand.rb', line 12

def busted?
  value(:soft) > 21
end

#deal_card ⇒ Object 



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# File 'lib/blackjack/hand.rb', line 16

def deal_card
  cards << blackjack.shoe.next_card
end

#value(count_method, hide_first_card: false) ⇒ Object 



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# File 'lib/blackjack/hand.rb', line 24

def value(count_method, hide_first_card: false)
  total = 0
  cards.each_with_index do |card, index|
    next if index.zero? && hide_first_card

    total += Card.value(card, count_method, total)
  end

  return value(:hard, hide_first_card:) if count_method == :soft && total > 21

  total
end