Class: DealerHand

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

Instance Attribute Summary collapse

Attributes inherited from Hand

#cards, #played

Instance Method Summary collapse

Methods inherited from Hand

#blackjack?, #busted?, #deal_card, #value

Constructor Details

#initialize(blackjack) ⇒ DealerHand

Returns a new instance of DealerHand.



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# File 'lib/blackjack/dealer_hand.rb', line 8

def initialize(blackjack)
  super
  @hide_first_card = true
end

Instance Attribute Details

#blackjack ⇒ Object

Returns the value of attribute blackjack.



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

def blackjack
  @blackjack
end

#hide_first_card ⇒ Object

Returns the value of attribute hide_first_card.



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

def hide_first_card
  @hide_first_card
end

Instance Method Details

#both_values ⇒ Object 



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# File 'lib/blackjack/dealer_hand.rb', line 34

def both_values
  [value(:soft, hide_first_card:), value(:hard, hide_first_card:)]
end

#deal_required_cards ⇒ Object 



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# File 'lib/blackjack/dealer_hand.rb', line 26

def deal_required_cards
  soft, hard = both_values
  while soft < 18 && hard < 17
    deal_card
    soft, hard = both_values
  end
end

#draw ⇒ Object 



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# File 'lib/blackjack/dealer_hand.rb', line 17

def draw
  out = String.new(' ')
  cards.each_with_index do |card, index|
    out << (index.zero? && hide_first_card ? Card.new(blackjack, 13, 0) : card).to_s
    out << ' '
  end
  out << ' ⇒  ' << value(:soft, hide_first_card:).to_s
end

#play ⇒ Object 



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# File 'lib/blackjack/dealer_hand.rb', line 38

def play
  playing = blackjack.need_to_play_dealer_hand?
  self.hide_first_card = false if blackjack? || playing
  deal_required_cards if playing
  self.played = true
  blackjack.pay_hands
end

#upcard_is_ace? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/blackjack/dealer_hand.rb', line 13

def upcard_is_ace?
  cards.first.ace?
end