2 * Copyright © 2006 Carl Worth
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2, or (at your option)
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software Foundation,
16 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA."
19 #include "word-game.h"
23 static char tile_distribution[BAG_SIZE+1] =
24 "AAAAAAAAABBCCDDDDEEEEEEEEEEEEFFGGGHHIIIIIIIIIJKLLLL"
25 "MMNNNNNNOOOOOOOOPPQRRRRRRSSSSTTTTTTUUUUVVWWXYYZ??";
28 rand_within (int num_values)
30 return (int) ((double) num_values * (rand() / (RAND_MAX + 1.0)));
34 shuffle (char *array, int length)
38 for (i = 0; i < length; i++)
40 r = i + rand_within (length - i);
50 memcpy (bag->tiles, tile_distribution, BAG_SIZE);
54 bag_shuffle (bag_t *bag)
56 shuffle (bag->tiles, BAG_SIZE);