ruby--ruby/ext/tcltklib/sample/sample2.rb

450 lines
11 KiB
Ruby

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