Class: Gamemaker::CardGame::Hand

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

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Deck

#<<, #==, #as_json, #draw, #draw!, #empty?, from_json, #length, #merge, #put, #shuffle, #to_a, #undraw

Constructor Details

#initialize(cards = []) ⇒ Hand

Returns a new instance of Hand.



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

def initialize(cards = [])
  super(cards)
end

Class Method Details

.card_class ⇒ Object

Raises:

  • (NotImplementedError) 


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

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

.of(card_class) ⇒ Object 



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

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

Instance Method Details

#draw_randomly(n = nil) ⇒ Object 



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

def draw_randomly(n = nil)
  drawn = n ? @cards.sample(n) : @cards.sample
  remove(*Array(drawn))
  drawn
end

#draw_randomly!(n = nil) ⇒ Object 



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# File 'lib/gamemaker/card_game/hand.rb', line 29

def draw_randomly!(n = nil)
  if n && n > @cards.length
    raise IndexError, "Tried to draw #{n} cards when there were only #{@cards.length} cards left"
  elsif !n && empty?
    raise IndexError, "Tried to draw a card when there were no cards left"
  else
    draw_randomly(n)
  end
end

#include?(*cards) ⇒ Boolean

Returns:

  • (Boolean) 


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

def include?(*cards)
  cards.flatten.all? { |card| @cards.include?(card) }
end

#remove(*cards) ⇒ Object 



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# File 'lib/gamemaker/card_game/hand.rb', line 39

def remove(*cards)
  cards = cards.flatten
  @cards.delete_if { |card| cards.include?(card) }
  self
end

#remove!(*cards) ⇒ Object 



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# File 'lib/gamemaker/card_game/hand.rb', line 45

def remove!(*cards)
  cards.flatten.each do |card|
    unless @cards.include?(card)
      raise ArgumentError, "Cannot remove #{card} as it's not part of the hand"
    end
  end

  remove(*cards)
end