This is findcolr.c in view mode; [Download] [Up]
/* 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> #define EMPTY 0 extern unsigned char p[19][19]; findcolor(i, j) /* find color for empty piece */ int i, j; { int k, color1, color2; /* check North neighbor */ color1 = 0; k = i; do --k; while ((p[k][j] == EMPTY) && (k > 0)); color1 = p[k][j]; /* check South neighbor */ color2 = 0; k = i; do k++; while ((p[k][j] == EMPTY) && (k < 18)); color2 = p[k][j]; if (color1) { if ((color1 == color2) || (color2 == 0)) return color1; else return 0; /* cannot determine */ } else if (color2) return color2; else /* both zero */ { /* check West neighbor */ color1 = 0; k = j; do --k; while ((p[i][k] == EMPTY) && (k > 0)); color1 = p[i][k]; /* check East neighbor */ color2 = 0; k = j; do k++; while ((p[i][k] == EMPTY) && (k < 18)); color2 = p[i][k]; if (color1) { if ((color1 == color2) || (color2 == 0)) return color1; else return 0; /* cannot determine */ } else if (color2) return color2; else return 0; } } /* end findcolor */
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.