Class: NeuroGammon::GameEngine

Inherits:
Object
  • Object
show all
Defined in:
lib/neuro_gammon/game_engine.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(white_player, black_player) ⇒ GameEngine

Returns a new instance of GameEngine.



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# File 'lib/neuro_gammon/game_engine.rb', line 30

def initialize white_player,black_player
  @board=Board.new
  @dice=Dice.new
  @black_player=black_player
  @white_player=white_player
  @colour=Board::WHITE
end

Instance Attribute Details

#black_player ⇒ Object (readonly)

Returns the value of attribute black_player.



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# File 'lib/neuro_gammon/game_engine.rb', line 26

def black_player
  @black_player
end

#board ⇒ Object

Returns the value of attribute board.



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# File 'lib/neuro_gammon/game_engine.rb', line 23

def board
  @board
end

#colour ⇒ Object

Returns the value of attribute colour.



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# File 'lib/neuro_gammon/game_engine.rb', line 25

def colour
  @colour
end

#dice ⇒ Object

Returns the value of attribute dice.



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# File 'lib/neuro_gammon/game_engine.rb', line 24

def dice
  @dice
end

#game_data ⇒ Object (readonly)

Returns the value of attribute game_data.



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# File 'lib/neuro_gammon/game_engine.rb', line 27

def game_data
  @game_data
end

#white_player ⇒ Object (readonly)

Returns the value of attribute white_player.



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# File 'lib/neuro_gammon/game_engine.rb', line 26

def white_player
  @white_player
end

#winner ⇒ Object (readonly)

Returns the value of attribute winner.



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# File 'lib/neuro_gammon/game_engine.rb', line 28

def winner
  @winner
end

Instance Method Details

#play_game ⇒ Object 



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# File 'lib/neuro_gammon/game_engine.rb', line 38

def play_game
  game=Game.new white_player,black_player
  while !(board.piece_count(Board::BLACK)==0 || board.piece_count(Board::WHITE)==0)
    dice.roll
    while dice.to_a.size>0
      game.add_dice_state(dice.to_a)
      game.add_board_state(board.state) #TODO final board state isn't recorded (i.e. always ends with 1 piece remainining)
      player=player_to_move
      move=player.suggest_move(board,dice,@colour)
      if (move!=nil) 
        board.move!(move,colour,dice)
        game.add_move(move)
      else #can't move
        #TODO this needs some more careful thought, and unit tests. Do we want to record when a move couldn't be made??
        game.dice_states.delete(game.dice_states.last)
        game.board_states.delete(game.board_states.last)        
        break
      end
    end
    toggle_player
  end
  game.winner_colour=board.winner
  @winner=(board.winner==Board::WHITE ? white_player : black_player)
  
  return game
end