fink/liberty-shape.lisp

74 lines
3.2 KiB
Common Lisp

(in-package :liberty-shape-board)
(defclass liberty-shape-board (liberty-board shape-board)
((shapes-liberties
:initform nil
:accessor shapes-liberties)
; stores lists (shape-liberties shape-libertirs-score
(black-shape-liberties
:initform 0
:accessor black-shape-liberties)
(white-shape-liberties
:initform 0
:accessor white-shape-liberties)))
(defmethod initialize-instance :after ((board liberty-shape-board) &key from-board)
(if (eql from-board nil)
(progn
(setf (shapes-liberties board) (make-array 1 :fill-pointer 0 :adjustable t)))
(progn
(setf (shapes-liberties board) (copy-array (shapes-liberties from-board)))
(copy-slots (white-shape-liberties black-shape-liberties) board from-board))))
(defmacro inc-player-shape-liberty (board player delta)
`(if (eql ,player #\B)
(incf (black-shape-liberties ,board) ,delta)
(incf (white-shape-liberties ,board) ,delta)))
(defmethod convert-shape :before ((board liberty-shape-board) shape-id to-id)
(let ((player (get-stone board (aref (aref (shapes-points board) shape-id) 0))))
(inc-player-shape-liberty board player (- (second (aref (shapes-liberties board) shape-id))))
(setf (aref (shapes-liberties board) shape-id) '(0 0))))
(defun calculate-shape-liberties (board coords player)
(let* ((liberties 0)
(sid (shape-id board coords))
(shape-liberties-score (aref (shapes-liberties board) sid))
(old-score (second shape-liberties-score)))
; (format t "sid @ ~a = ~a~%" sid coords)
(inc-player-shape-liberty board player (- old-score))
(loop for index from 0 to (1- (length (aref (shapes-points board) sid))) do
(incf liberties (liberty board (aref (aref (shapes-points board) sid) index))))
(let ((score (* liberties (size-of-shape board sid))))
(setf (aref (shapes-liberties board) sid) `(,liberties ,score))
(inc-player-shape-liberty board player score))))
(defmethod set-stone :after ((board liberty-shape-board) coords val)
(while (not (eql (length (shapes-liberties board)) (next-shape-id board)))
(vector-push-extend '(0 0) (shapes-liberties board))) ; new shape
(calculate-shape-liberties board coords val)
;adjust neighebors
(let ((sid (shape-id board coords)))
(do-over-adjacent (coords-var board coords)
(let ((adj-sid (shape-id board coords-var)))
(if (not (or (eql adj-sid sid) (eql adj-sid nil)))
(calculate-shape-liberties board coords-var (get-stone board coords-var)))))))
(defun liberty-shape-to-analyze (board)
(let ((lsb (make-2d-board (boardsize board) 0)))
(do-over-board (coords board)
(if (not (eql nil (shape-id board coords)))
(set-2d-stone lsb coords (second (aref (shapes-liberties board) (shape-id board coords))))))
(concatenate 'string (board-to-analyze lsb)
'(#\newline) " TEXT blakc shape liberties: " (write-to-string (black-shape-liberties board))
" white shape liberties: " (write-to-string (white-shape-liberties board)))))
(defmethod score + ((board liberty-shape-board) player)
(if (eql player #\B)
(- (black-shape-liberties board) (white-shape-liberties board))
(- (white-shape-liberties board) (black-shape-liberties board))))