| /* |
| GNU GO - the game of Go (Wei-Chi) |
| Version 1.1 last revised 3-1-89 |
| Copyright (C) Free Software Foundation, Inc. |
| written by Man L. Li |
| modified by Wayne Iba |
| documented by Bob Webber |
| */ |
| /* |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation - version 1. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License in file COPYING for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| |
| Please report any bug/fix, modification, suggestion to |
| |
| mail address: Man L. Li |
| Dept. of Computer Science |
| University of Houston |
| 4800 Calhoun Road |
| Houston, TX 77004 |
| |
| e-mail address: manli@cs.uh.edu (Internet) |
| coscgbn@uhvax1.bitnet (BITNET) |
| 70070,404 (CompuServe) |
| |
| |
| |
| */ |
| |
| #include <stdio.h> |
| |
| extern unsigned char p[19][19], l[19][19]; |
| extern int mymove; |
| |
| extern void initmark(void); |
| extern int findnextmove(int m, int n, int *i, int *j, int *val, int minlib); |
| |
| int findsaver(int *i, int *j, int *val) |
| /* find move if any pieces is threaten */ |
| { |
| int m, n, minlib; |
| int ti, tj, tval; |
| |
| *i = -1; *j = -1; *val = -1; |
| for (minlib = 1; minlib < 4; minlib++) |
| { |
| /* count piece with minimum liberty */ |
| for (m = 0; m < 19; m++) |
| for (n = 0; n < 19; n++) |
| if ((p[m][n] == mymove) && (l[m][n] == minlib)) |
| /* find move to save pieces */ |
| { |
| initmark(); |
| if (findnextmove(m, n, &ti, &tj, &tval, minlib) && (tval > *val)) |
| { |
| *val = tval; |
| *i = ti; |
| *j = tj; |
| } |
| } |
| } |
| if (*val > 0) /* find move */ |
| return 1; |
| else /* move not found */ |
| return 0; |
| } /* findsaver */ |
