Class: Boggle::Board

Inherits:
Object
  • Object
show all
Defined in:
lib/boggle/board.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(opts = {}) ⇒ Board

Returns a new instance of Board.



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# File 'lib/boggle/board.rb', line 4

def initialize(opts={})
  @size = opts[:size]
  if opts[:board].empty?
    letters = Boggle::Board.distributions(@size, opts[:variant]).sort_by{ rand }.map { |d| d.sample }
  else
    letters = letters_from_string opts[:board]
  end

  @board = []
  @size.times do
    @board << letters.pop(@size)
  end
end

Instance Attribute Details

#size ⇒ Object (readonly)

Returns the value of attribute size.



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# File 'lib/boggle/board.rb', line 2

def size
  @size
end

Class Method Details

.distributions(size, variant) ⇒ Object

4,0 gives standard distrubtion



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# File 'lib/boggle/board.rb', line 44

def self.distributions( size, variant ) # 4,0 gives standard distrubtion

  distros = [[
    # http://everything2.com/title/Boggle
    %w{
      ASPFFK NUIHMQ OBJOAB LNHNRZ
      AHSPCO RYVDEL IOTMUC LREIXD
      TERWHV TSTIYD WNGEEH ERTTYL
      OWTOAT AEANEG EIUNES TOESSI
    },

    # http://www.boardgamegeek.com/thread/300565/review-from-a-boggle-veteran-and-beware-differen
    %w{
      AAEEGN ELRTTY AOOTTW ABBJOO
      EHRTVW CIMOTV DISTTY EIOSST
      DELRVY ACHOPS HIMNQU EEINSU
      EEGHNW AFFKPS HLNNRZ DEILRX
    },

    %w{
      AACIOT AHMORS EGKLUY ABILTY
      ACDEMP EGINTV GILRUW ELPSTU
      DENOSW ACELRS ABJMOQ EEFHIY
      EHINPS DKNOTU ADENVZ BIFORX
    }
  ],[

    # http://boardgamegeek.com/thread/300883/letter-distribution
    %w{
      aaafrs aaeeee aafirs adennn aeeeem
      aeegmu aegmnn afirsy bjkqxz ccenst
      ceiilt ceilpt ceipst ddhnot dhhlor
      dhlnor dhlnor eiiitt emottt ensssu
      fiprsy gorrvw iprrry nootuw ooottu
    }.map(&:upcase),

    %w{
      AAAFRS	AAEEEE	AAFIRS	ADENNN	AEEEEM
      AEEGMU	AEGMNN	AFIRSY	BJKQXZ	CCNSTW
      CEIILT	CEILPT	CEIPST	DHHNOT	DHHLOR
      DHLNOR	DDLNOR	EIIITT	EMOTTT	ENSSSU
      FIPRSY	GORRVW	HIPRRY	NOOTUW	OOOTTU
    }
  ]]

  min_size = 4
  distros[size-min_size].map { |dist|
    dist.map { |die|
      die.split(//).map { |letter|
        # our distrubutions return Qu, not Q's
        letter == 'Q' ? 'Qu' : letter
      }
    }
  }[variant]
end

Instance Method Details

#[](row, col) ⇒ Object 



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# File 'lib/boggle/board.rb', line 31

def [](row, col)
  ( (row < 0) || (col < 0) || (row >= @size) || (col >= @size) ) ? nil : @board[row][col]
end

#[]=(row, col, val) ⇒ Object

deepcopy first



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# File 'lib/boggle/board.rb', line 36

def []=(row, col, val)
  @board[row][col]=val
end

#deepcopy ⇒ Object 



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# File 'lib/boggle/board.rb', line 40

def deepcopy
  Marshal.load( Marshal.dump(self) )
end

#to_s ⇒ Object 



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# File 'lib/boggle/board.rb', line 18

def to_s
  s = ""
  @size.times { s<<"+"; s<<"-"*3 }; s<<"+\n"
  @size .times do |row|
    s << "|"
    @size.times do |col|
      (l=@board[row][col]) == "Qu" ? s << " #{l}|" : s << " #{l} |"
    end
    s<<"\n"; @size.times { s<<"+"; s<<"-"*3 }; s<<"+\n"
  end
  s
end