Class: Gamemaker::CardGame::Deck

Inherits:
Object
  • Object
show all
Defined in:
lib/gamemaker/card_game/deck.rb

Direct Known Subclasses

Hand

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(cards = self.class.card_class.all) ⇒ Deck

Returns a new instance of Deck.



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# File 'lib/gamemaker/card_game/deck.rb', line 19

def initialize(cards = self.class.card_class.all)
  @cards = cards.dup
end

Class Method Details

.card_class ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/gamemaker/card_game/deck.rb', line 4

def self.card_class
  raise NotImplementedError, "Deck is an abstract class, use Deck.of(CardType) to create a usable subclass"
end

.from_json(json) ⇒ Object 



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# File 'lib/gamemaker/card_game/deck.rb', line 15

def self.from_json(json)
  new(json["cards"].map { |card| card_class.from_json(card) })
end

.of(card_class) ⇒ Object 



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# File 'lib/gamemaker/card_game/deck.rb', line 8

def self.of(card_class)
  Class.new(self) do
    define_singleton_method(:name) { super() || "#{card_class.name}Deck" }
    define_singleton_method(:card_class) { card_class }
  end
end

Instance Method Details

#<<(*cards) ⇒ Object 



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# File 'lib/gamemaker/card_game/deck.rb', line 65

def <<(*cards)
  @cards.concat(cards.flatten)
  self
end

#==(other) ⇒ Object 



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# File 'lib/gamemaker/card_game/deck.rb', line 85

def ==(other)
  @cards == other.to_a
end

#as_json ⇒ Object 



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# File 'lib/gamemaker/card_game/deck.rb', line 89

def as_json(*)
  { cards: to_a }
end

#draw(n = nil) ⇒ Object Also known as: take 



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# File 'lib/gamemaker/card_game/deck.rb', line 36

def draw(n = nil)
  n ? @cards.shift(n) : @cards.shift
end

#draw!(n = nil) ⇒ Object Also known as: take! 



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# File 'lib/gamemaker/card_game/deck.rb', line 42

def draw!(n = nil)
  if n && n > @cards.length
    raise IndexError, "Cannot draw #{n} cards from the deck: only #{@cards.length} cards left"
  elsif !n && empty?
    raise IndexError, "Cannot draw from the deck: no cards left"
  else
    draw(n)
  end
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gamemaker/card_game/deck.rb', line 27

def empty?
  @cards.empty?
end

#length ⇒ Object 



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# File 'lib/gamemaker/card_game/deck.rb', line 23

def length
  @cards.length
end

#merge!(other) ⇒ Object 



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# File 'lib/gamemaker/card_game/deck.rb', line 77

def merge!(other)
  self << other.draw(other.length)
end

#put(*cards, position: :bottom) ⇒ Object 



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# File 'lib/gamemaker/card_game/deck.rb', line 54

def put(*cards, position: :bottom)
  case position
  when :top
    undraw(*cards)
  when :bottom
    self << cards
  else
    raise ArgumentError, "Cannot put cards to #{position.inspect}"
  end
end

#shuffle! ⇒ Object 



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# File 'lib/gamemaker/card_game/deck.rb', line 31

def shuffle!
  @cards.shuffle!
  self
end

#to_a ⇒ Object 



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# File 'lib/gamemaker/card_game/deck.rb', line 81

def to_a
  @cards.dup
end

#undraw(*cards) ⇒ Object Also known as: untake 



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# File 'lib/gamemaker/card_game/deck.rb', line 70

def undraw(*cards)
  @cards = cards.flatten + @cards
  self
end