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449 lines
11 KiB
Ruby
449 lines
11 KiB
Ruby
#!/usr/local/bin/ruby
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#----------------------> pretty simple othello game <-----------------------
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# othello.rb
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#
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# version 0.3
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# maeda shugo (shuto@po.aianet.ne.jp)
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#---------------------------------------------------------------------------
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# Sep. 17, 1997 modified by Y. Shigehiro for tcltk library
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# maeda shugo (shugo@po.aianet.ne.jp) 氏による
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# (ruby/tk で書かれていた) ruby のサンプルプログラム
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# http://www.aianet.or.jp/~shugo/ruby/othello.rb.gz
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# を tcltk ライブラリを使うように, 機械的に変更してみました.
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#
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# なるべくオリジナルと同じになるようにしてあります.
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require "observer"
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require "tcltk"
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$ip = TclTkInterpreter.new()
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$root = $ip.rootwidget()
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$button, $canvas, $checkbutton, $frame, $label, $pack, $update, $wm =
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$ip.commands().indexes(
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"button", "canvas", "checkbutton", "frame", "label", "pack", "update", "wm")
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class Othello
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EMPTY = 0
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BLACK = 1
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WHITE = - BLACK
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attr :in_com_turn
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attr :game_over
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class Board
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include Observable
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DIRECTIONS = [
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[-1, -1], [-1, 0], [-1, 1],
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[ 0, -1], [ 0, 1],
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[ 1, -1], [ 1, 0], [ 1, 1]
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]
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attr :com_disk, TRUE
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def initialize(othello)
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@othello = othello
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reset
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end
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def notify_observers(*arg)
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if @observer_peers != nil
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super(*arg)
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end
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end
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def reset
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@data = [
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[EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY],
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[EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY],
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[EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY],
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[EMPTY, EMPTY, EMPTY, WHITE, BLACK, EMPTY, EMPTY, EMPTY],
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[EMPTY, EMPTY, EMPTY, BLACK, WHITE, EMPTY, EMPTY, EMPTY],
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[EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY],
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[EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY],
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[EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY, EMPTY]
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]
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changed
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notify_observers
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end
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def man_disk
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return - @com_disk
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end
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def other_disk(disk)
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return - disk
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end
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def get_disk(row, col)
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return @data[row][col]
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end
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def reverse_to(row, col, my_disk, dir_y, dir_x)
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y = row
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x = col
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begin
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y += dir_y
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x += dir_x
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if y < 0 || x < 0 || y > 7 || x > 7 ||
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@data[y][x] == EMPTY
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return
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end
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end until @data[y][x] == my_disk
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begin
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@data[y][x] = my_disk
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changed
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notify_observers(y, x)
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y -= dir_y
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x -= dir_x
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end until y == row && x == col
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end
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def put_disk(row, col, disk)
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@data[row][col] = disk
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changed
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notify_observers(row, col)
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DIRECTIONS.each do |dir|
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reverse_to(row, col, disk, *dir)
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end
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end
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def count_disk(disk)
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num = 0
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@data.each do |rows|
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rows.each do |d|
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if d == disk
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num += 1
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end
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end
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end
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return num
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end
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def count_point_to(row, col, my_disk, dir_y, dir_x)
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return 0 if @data[row][col] != EMPTY
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count = 0
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loop do
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row += dir_y
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col += dir_x
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break if row < 0 || col < 0 || row > 7 || col > 7
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case @data[row][col]
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when my_disk
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return count
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when other_disk(my_disk)
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count += 1
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when EMPTY
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break
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end
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end
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return 0
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end
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def count_point(row, col, my_disk)
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count = 0
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DIRECTIONS.each do |dir|
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count += count_point_to(row, col, my_disk, *dir)
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end
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return count
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end
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def corner?(row, col)
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return (row == 0 && col == 0) ||
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(row == 0 && col == 7) ||
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(row == 7 && col == 0) ||
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(row == 7 && col == 7)
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end
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def search(my_disk)
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max = 0
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max_row = nil
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max_col = nil
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for row in 0 .. 7
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for col in 0 .. 7
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buf = count_point(row, col, my_disk)
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if (corner?(row, col) && buf > 0) || max < buf
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max = buf
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max_row = row
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max_col = col
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end
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end
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end
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return max_row, max_col
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end
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end #--------------------------> class Board ends here
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class BoardView < TclTkWidget
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BACK_GROUND_COLOR = "DarkGreen"
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HILIT_BG_COLOR = "green"
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BORDER_COLOR = "black"
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BLACK_COLOR = "black"
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WHITE_COLOR = "white"
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STOP_COLOR = "red"
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attr :left
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attr :top
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attr :right
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attr :bottom
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class Square
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attr :oval, TRUE
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attr :row
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attr :col
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def initialize(view, row, col)
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@view = view
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@id = @view.e("create rectangle", *view.tk_rect(view.left + col,
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view.top + row,
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view.left + col + 1,
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view.top + row + 1))
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@row = row
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@col = col
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@view.e("itemconfigure", @id,
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"-width 0.5m -outline #{BORDER_COLOR}")
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@view.e("bind", @id, "<Any-Enter>", TclTkCallback.new($ip, proc{
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if @oval == nil
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view.e("itemconfigure", @id, "-fill #{HILIT_BG_COLOR}")
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end
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}))
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@view.e("bind", @id, "<Any-Leave>", TclTkCallback.new($ip, proc{
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view.e("itemconfigure", @id, "-fill #{BACK_GROUND_COLOR}")
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}))
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@view.e("bind", @id, "<ButtonRelease-1>", TclTkCallback.new($ip,
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proc{
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view.click_square(self)
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}))
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end
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def blink(color)
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@view.e("itemconfigure", @id, "-fill #{color}")
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$update.e()
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sleep(0.1)
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@view.e("itemconfigure", @id, "-fill #{BACK_GROUND_COLOR}")
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end
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end #-----------------------> class Square ends here
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def initialize(othello, board)
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super($ip, $root, $canvas)
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@othello = othello
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@board = board
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@board.add_observer(self)
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@squares = Array.new(8)
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for i in 0 .. 7
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@squares[i] = Array.new(8)
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end
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@left = 1
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@top = 0.5
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@right = @left + 8
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@bottom = @top + 8
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i = self.e("create rectangle", *tk_rect(@left, @top, @right, @bottom))
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self.e("itemconfigure", i,
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"-width 1m -outline #{BORDER_COLOR} -fill #{BACK_GROUND_COLOR}")
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for row in 0 .. 7
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for col in 0 .. 7
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@squares[row][col] = Square.new(self, row, col)
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end
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end
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update
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end
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def tk_rect(left, top, right, bottom)
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return left.to_s + "c", top.to_s + "c",
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right.to_s + "c", bottom.to_s + "c"
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end
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def clear
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each_square do |square|
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if square.oval != nil
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self.e("delete", square.oval)
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square.oval = nil
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end
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end
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end
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def draw_disk(row, col, disk)
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if disk == EMPTY
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if @squares[row][col].oval != nil
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self.e("delete", @squares[row][col].oval)
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@squares[row][col].oval = nil
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end
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return
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end
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$update.e()
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sleep(0.05)
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oval = @squares[row][col].oval
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if oval == nil
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oval = self.e("create oval", *tk_rect(@left + col + 0.2,
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@top + row + 0.2,
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@left + col + 0.8,
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@top + row + 0.8))
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@squares[row][col].oval = oval
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end
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case disk
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when BLACK
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color = BLACK_COLOR
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when WHITE
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color = WHITE_COLOR
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else
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fail format("Unknown disk type: %d", disk)
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end
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self.e("itemconfigure", oval, "-outline #{color} -fill #{color}")
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end
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def update(row = nil, col = nil)
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if row && col
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draw_disk(row, col, @board.get_disk(row, col))
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else
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each_square do |square|
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draw_disk(square.row, square.col,
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@board.get_disk(square.row, square.col))
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end
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end
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@othello.show_point
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end
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def each_square
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@squares.each do |rows|
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rows.each do |square|
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yield(square)
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end
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end
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end
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def click_square(square)
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if @othello.in_com_turn || @othello.game_over ||
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@board.count_point(square.row,
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square.col,
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@board.man_disk) == 0
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square.blink(STOP_COLOR)
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return
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end
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@board.put_disk(square.row, square.col, @board.man_disk)
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@othello.com_turn
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end
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private :draw_disk
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public :update
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end #----------------------> class BoardView ends here
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def initialize
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@msg_label = TclTkWidget.new($ip, $root, $label)
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$pack.e(@msg_label)
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@board = Board.new(self)
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@board_view = BoardView.new(self, @board)
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#### added by Y. Shigehiro
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## board_view の大きさを設定する.
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x1, y1, x2, y2 = @board_view.e("bbox all").split(/ /).collect{|i| i.to_f}
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@board_view.e("configure -width", x2 - x1)
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@board_view.e("configure -height", y2 - y1)
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## scrollregion を設定する.
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@board_view.e("configure -scrollregion {", @board_view.e("bbox all"),
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"}")
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#### ここまで
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$pack.e(@board_view, "-fill both -expand true")
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panel = TclTkWidget.new($ip, $root, $frame)
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@play_black = TclTkWidget.new($ip, panel, $checkbutton,
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"-text {com is black} -command", TclTkCallback.new($ip, proc{
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switch_side
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}))
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$pack.e(@play_black, "-side left")
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quit = TclTkWidget.new($ip, panel, $button, "-text Quit -command",
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TclTkCallback.new($ip, proc{
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exit
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}))
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$pack.e(quit, "-side right -fill x")
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reset = TclTkWidget.new($ip, panel, $button, "-text Reset -command",
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TclTkCallback.new($ip, proc{
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reset_game
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}))
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$pack.e(reset, "-side right -fill x")
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$pack.e(panel, "-side bottom -fill x")
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# root = Tk.root
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$wm.e("title", $root, "Othello")
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$wm.e("iconname", $root, "Othello")
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@board.com_disk = WHITE
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@game_over = FALSE
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TclTk.mainloop
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end
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def switch_side
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if @in_com_turn
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@play_black.e("toggle")
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else
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@board.com_disk = @board.man_disk
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com_turn unless @game_over
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end
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end
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def reset_game
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if @board.com_disk == BLACK
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@board.com_disk = WHITE
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@play_black.e("toggle")
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end
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@board_view.clear
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@board.reset
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$wm.e("title", $root, "Othello")
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@game_over = FALSE
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end
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def com_turn
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@in_com_turn = TRUE
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$update.e()
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sleep(0.5)
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begin
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com_disk = @board.count_disk(@board.com_disk)
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man_disk = @board.count_disk(@board.man_disk)
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if @board.count_disk(EMPTY) == 0
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if man_disk == com_disk
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$wm.e("title", $root, "{Othello - Draw!}")
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elsif man_disk > com_disk
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$wm.e("title", $root, "{Othello - You Win!}")
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else
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$wm.e("title", $root, "{Othello - You Loose!}")
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end
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@game_over = TRUE
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break
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elsif com_disk == 0
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$wm.e("title", $root, "{Othello - You Win!}")
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@game_over = TRUE
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break
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elsif man_disk == 0
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$wm.e("title", $root, "{Othello - You Loose!}")
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@game_over = TRUE
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break
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end
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row, col = @board.search(@board.com_disk)
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break if row == nil || col == nil
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@board.put_disk(row, col, @board.com_disk)
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end while @board.search(@board.man_disk) == [nil, nil]
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@in_com_turn = FALSE
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end
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def show_point
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black = @board.count_disk(BLACK)
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white = @board.count_disk(WHITE)
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@msg_label.e("configure -text",
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%Q/{#{format("BLACK: %.2d WHITE: %.2d", black, white)}}/)
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end
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end #----------------------> class Othello ends here
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Othello.new
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#----------------------------------------------> othello.rb ends here
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