Class: JustBackgammon::Bar

Inherits:
Object
  • Object
show all
Extended by:
Forwardable, Common
Defined in:
lib/just_backgammon/bar.rb

Overview

Bar

The bar is where hit pieces go. Contains an array of pieces.

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Common

load

Constructor Details

#initialize(pieces:) ⇒ Bar

A new instance of Bar.

Example:

# Instantiates a new Bar
JustBackgammon::Bar.new({
  pieces: [{owner: 1}, {owner: 1}]
})



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# File 'lib/just_backgammon/bar.rb', line 24

def initialize(pieces:)
  @pieces = JustBackgammon::Piece.load(pieces)
end

Instance Attribute Details

#pieces ⇒ Array<Piece> (readonly) 



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# File 'lib/just_backgammon/bar.rb', line 29

def pieces
  @pieces
end

Instance Method Details

#any_pieces_for_player?(player_number) ⇒ Boolean

If the player has any pieces.



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# File 'lib/just_backgammon/bar.rb', line 66

def any_pieces_for_player?(player_number)
  pieces_owned_by_player(player_number).any?
end

#as_json ⇒ Hash

A hashed serialized representation of the bar.



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# File 'lib/just_backgammon/bar.rb', line 104

def as_json
  { pieces: pieces.map(&:as_json) }
end

#empty_for_player?(player_number) ⇒ Boolean

If the player has no pieces.



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# File 'lib/just_backgammon/bar.rb', line 76

def empty_for_player?(player_number)
  pieces_owned_by_player(player_number).none?
end

#number ⇒ String

The identifier of the bar, returns the string ‘bar’.



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# File 'lib/just_backgammon/bar.rb', line 36

def number
  'bar'
end

#number_of_pieces_owned_by_player(player_number) ⇒ Fixnum

Number of pieces owned by the specified player.



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# File 'lib/just_backgammon/bar.rb', line 56

def number_of_pieces_owned_by_player(player_number)
  pieces_owned_by_player(player_number).size
end

#pieces_owned_by_player(player_number) ⇒ Array<Piece>

ALl the pieces owned by the specified player.



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# File 'lib/just_backgammon/bar.rb', line 46

def pieces_owned_by_player(player_number)
  pieces.select { |p| p.owner == player_number }
end

#pop(player_number) ⇒ Piece, NilClass

Removes a piece owned by the specified player and return it.



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# File 'lib/just_backgammon/bar.rb', line 86

def pop(player_number)
  p = pieces.find { |p| p.owner == player_number }
  pieces.delete(p)
end

#push(piece) ⇒ Array<Piece>

Adds a piece to the bar.



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# File 'lib/just_backgammon/bar.rb', line 97

def push(piece)
  pieces.push(piece)
end