Module: ConwayDeathmatch::Shapes

Defined in:
lib/conway_deathmatch/shapes.rb

Class Method Summary collapse

Class Method Details

.add(board, str, val = BoardState::ALIVE) ⇒ Object

parse a string like “acorn 12 22 block 5 0 p 1 2 p 3 4 p 56 78” add known shapes



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# File 'lib/conway_deathmatch/shapes.rb', line 21

def self.add(board, str, val = BoardState::ALIVE)
  tokens = str.split
  points = []
  classic = self.classic

  while !tokens.empty?
    shape = tokens.shift.downcase
    raise "no coordinates for #{shape}" if tokens.length < 2
    x = tokens.shift.to_i
    y = tokens.shift.to_i
    case shape.downcase
    when 'p'
      points << [x, y]
    else
      found = classic[shape] || self.discovered.fetch(shape)
      board.add_points(found, x, y, val)
    end
  end
  board.add_points(points, 0, 0, val)
end

.classic ⇒ Object

memoize shapes/classic.yaml



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# File 'lib/conway_deathmatch/shapes.rb', line 10

def self.classic
  @@classic ||= self.load_yaml('classic.yaml')
end

.discovered ⇒ Object

memoize shapes/discovered.yaml



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# File 'lib/conway_deathmatch/shapes.rb', line 15

def self.discovered
  @@disovered ||= self.load_yaml('discovered.yaml')
end

.load_yaml(filename) ⇒ Object 



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# File 'lib/conway_deathmatch/shapes.rb', line 5

def self.load_yaml(filename)
  YAML.load_file(File.join(__dir__, 'shapes', filename))
end