Class: ConsoleShogi::Piece

Inherits:
Object
  • Object
show all
Defined in:
lib/console_shogi/piece.rb

Direct Known Subclasses

Fu, Gin, Hisha, Kaku, Keima, Kin, Kyosha, NonePiece, Ohsho, PromotedPiece

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(teban: nil) ⇒ Piece

Returns a new instance of Piece.



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# File 'lib/console_shogi/piece.rb', line 7

def initialize(teban: nil)
  @teban = teban
end

Instance Attribute Details

#teban ⇒ Object

Returns the value of attribute teban.



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# File 'lib/console_shogi/piece.rb', line 5

def teban
  @teban
end

Instance Method Details

#active_image ⇒ Object 



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# File 'lib/console_shogi/piece.rb', line 33

def active_image
  File.read("images/active/#{teban}/#{self::class.name.split('::').last.downcase}.png")
end

#can_move_long_distance? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/console_shogi/piece.rb', line 63

def can_move_long_distance?
  [Kaku, Hisha, Kyosha, PromotedPiece::Uma, PromotedPiece::Ryu].include?(self::class)
end

#change_player!(player) ⇒ Object 



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# File 'lib/console_shogi/piece.rb', line 59

def change_player!(player)
  @player = player
end

#focused_image ⇒ Object 



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# File 'lib/console_shogi/piece.rb', line 37

def focused_image
  File.read("images/focused/#{teban}/#{self::class.name.split('::').last.downcase}.png")
end

#fu? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/console_shogi/piece.rb', line 45

def fu?
  self::class == Fu
end

#image ⇒ Object 



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# File 'lib/console_shogi/piece.rb', line 29

def image
  File.read("images/nomal/#{teban}/#{self::class.name.split('::').last.downcase}.png")
end

#move ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/console_shogi/piece.rb', line 11

def move
  raise NotImplementedError
end

#moves ⇒ Object 



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# File 'lib/console_shogi/piece.rb', line 49

def moves
  ms = base_moves

  if teban == Teban::SENTE
    ms
  else
    ms.map {|m| m.transform_values {|v| v * -1 } }
  end
end

#none? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/console_shogi/piece.rb', line 41

def none?
  self::class == NonePiece
end

#number ⇒ Object 



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# File 'lib/console_shogi/piece.rb', line 25

def number
  self::class::NUMBER
end

#promote ⇒ Object 



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# File 'lib/console_shogi/piece.rb', line 15

def promote
  return self unless can_promote?

  promoted
end

#promoted? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/console_shogi/piece.rb', line 21

def promoted?
  false
end

#same?(piece) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/console_shogi/piece.rb', line 67

def same?(piece)
  self::class == piece::class &&
    self.teban == piece.teban
end