game.h

   1 /*
   2  * Ben Lynn
   3  */
   4 /*
   5 Copyright (C) 2004 Benjamin Lynn (blynn@cs.stanford.edu)
   6
   7 This program is free software; you can redistribute it and/or
   8 modify it under the terms of the GNU General Public License
   9 as published by the Free Software Foundation; either version 2
  10 of the License, or (at your option) any later version.
  11
  12 This program is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with this program; if not, write to the Free Software
  19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  20 */
  21 #ifndef GAME_H
  22 #define GAME_H
  23
  24 enum {
  25     boardmaxw = 20,
  26     boardmaxh = 20,
  27 };
  28 extern int boardw, boardh;
  29 extern int board[boardmaxw][boardmaxh];
  30 extern int neighbourcount[boardmaxw][boardmaxh];
  31 extern int sourcex, sourceytop, sourceybottom;
  32 extern int wrap_flag;
  33 extern int no_fourway;
  34 extern int game_won;
  35
  36 typedef struct {
  37     int x, y;
  38 } coord_s;
  39
  40 extern coord_s dir[4];
  41
  42 // 0 = up, 1 = right, 2 = down, 3 = left
  43 //    0
  44 //    |
  45 // 3--+--1
  46 //    |
  47 //    2
  48
  49 void generate_maze();
  50 int rotatecw(int d, int n);
  51 void scramble();
  52 void check_live();
  53 void add_dir(int *x, int *y, int x1, int y1, int d);
  54 #endif //GAME_H