Class: Shogi::Game

Inherits:
Object
  • Object
show all
Defined in:
lib/shogi/game.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(format = :csa, turn = "+") ⇒ Game

Returns a new instance of Game.

Raises:

  • (ArgumentError) 


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# File 'lib/shogi/game.rb', line 5

def initialize(format=:csa, turn="+")
  raise ArgumentError, "Undefined format: #{format}" unless /\Acsa\z/ =~ format
  raise ArgumentError, "Invalid turn: #{turn}" unless /\A[+-]\z/ =~ turn

  @default_format = format
  @board = Shogi::Board.new(@default_format)
  @turn = turn
  @kifu = []
  @states_of_the_game = [] << Marshal.dump(self)
end

Instance Attribute Details

#default_format ⇒ Object

Returns the value of attribute default_format.



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# File 'lib/shogi/game.rb', line 3

def default_format
  @default_format
end

#turn ⇒ Object (readonly)

Returns the value of attribute turn.



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# File 'lib/shogi/game.rb', line 4

def turn
  @turn
end

Instance Method Details

#at(num_of_moves) ⇒ Object 



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# File 'lib/shogi/game.rb', line 44

def at(num_of_moves)
  Marshal.load(@states_of_the_game[num_of_moves])
end

#kifu ⇒ Object 



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# File 'lib/shogi/game.rb', line 31

def kifu
  @kifu.join("\n") << "\n"
end

#move(movement_lines, format = @default_format) ⇒ Object 



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# File 'lib/shogi/game.rb', line 20

def move(movement_lines, format=@default_format)
  movement_lines.each_line do |movement|
    movement.chomp!
    @board.move(movement, format)
    @kifu << movement
    @turn = (@turn == "+") ? "-" : "+"
    @states_of_the_game << Marshal.dump(self)
  end
  self
end

#show(format = @default_format) ⇒ Object 



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# File 'lib/shogi/game.rb', line 35

def show(format=@default_format)
  $stdout.puts __send__("to_#{format}")
end

#show_all(format = @default_format) ⇒ Object 



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# File 'lib/shogi/game.rb', line 39

def show_all(format=@default_format)
  show
  $stdout.puts kifu
end

#to_csa ⇒ Object 



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# File 'lib/shogi/game.rb', line 16

def to_csa
  @board.to_csa << turn << "\n"
end