;;;; Programer: Kevin Rosenberg based on code by Peter Norvig
;;;; Date Started: 1 Nov 2001
;;;;
-;;;; $Id: base.lisp,v 1.3 2003/05/06 15:51:20 kevin Exp $
+;;;; $Id: base.lisp,v 1.4 2003/06/12 12:42:13 kevin Exp $
;;;;
;;;; This file is Copyright (c) 2001-2002 by Kevin M. Rosenberg
;;;; and Copyright (c) 1998-2002 Peter Norvig
(in-package #:reversi)
-(eval-when (:compile-toplevel)
- (declaim (optimize (safety 1) (space 0) (speed 3) (compilation-speed 0))))
-
(defparameter +all-directions+ '(-11 -10 -9 -1 1 9 10 11))
(defconstant +default-max-minutes+ 30)
`(the piece (aref (the board ,board) (the square ,square))))
(defparameter all-squares
- (loop for i from 11 to 88 when (<= 1 (mod i 10) 8) collect i)
+ (loop for i fixum from 11 to 88 when (<= 1 (mod i 10) 8) collect i)
"A list of all squares")
(defun initial-board ()
(defun count-difference (player board)
"Count player's pieces minus opponent's pieces."
(declare (type board board)
- (fixnum player))
- (- (count player board)
- (count (opponent player) board)))
+ (fixnum player)
+ (optimize (speed 3) (safety 0) (space 0)))
+ (the fixnum (- (the fixnum (count player board))
+ (the fixum (count (opponent player) board)))))
(defun valid-p (move)
- (declare (type move move))
+ (declare (type move move)
+ (optimize (speed 3) (safety 0) (space 0)))
"Valid moves are numbers in the range 11-88 that end in 1-8."
(and (typep move 'move) (<= 11 move 88) (<= 1 (mod move 10) 8)))
(declare (type board board)
(type move move)
(type player player)
- (optimize (speed 3) (safety 0))
-)
+ (optimize (speed 3) (safety 0) (space 0)))
(if (= (the piece (bref board move)) empty)
(block search
(dolist (dir +all-directions+)
(declare (type board board)
(type move move)
(type player)
- (optimize (speed 3) (safety 0))
-)
+ (optimize (speed 3) (safety 0) (space 0)))
(setf (bref board move) player)
(dolist (dir +all-directions+)
(declare (type dir dir))
(type move move)
(type player player)
(type dir dir)
- (optimize (speed 3) (safety 0))
-)
+ (optimize (speed 3) (safety 0) (space 0)))
(let ((bracketer (would-flip? move player board dir)))
(when bracketer
(loop for c from (+ move dir) by dir until (= c (the fixnum bracketer))
(type move move)
(type player player)
(type dir dir)
- (optimize (speed 3) (safety 0))
-)
+ (optimize (speed 3) (safety 0) (space 0)))
(let ((c (+ move dir)))
(declare (type square c))
(and (= (the piece (bref board c)) (the player (opponent player)))
(defun replace-board (to from)
(replace to from))
-#+ignore
-(defun replace-board (to from)
- (declare (type board to from)
- (optimize (safety 0) (debug 0) (speed 3))
-)
- (dotimes (i 100)
- (declare (type 'fixnum i))
- (setf (aref to i) (aref from i)))
- to)
-
#+allegro
(defun replace-board (to from)
(declare (type board to from))
(apply #'vector (loop repeat 40 collect (initial-board))))
-
(defvar *move-number* 1 "The number of the move to be played")
(declaim (type fixnum *move-number*))