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 = 50,
  26     boardmaxh = 50,
  27 };
  28 extern int boardw, boardh;
  29 extern int board[boardmaxw][boardmaxh];
  30 extern int neighbourcount[boardmaxw][boardmaxh];
  31 extern int flags[boardmaxw][boardmaxh];
  32 extern int sourcex, sourceytop, sourceybottom;
  33 extern int wrap_flag;
  34 extern int no_fourway;
  35 extern int game_won;
  36
  37 typedef struct {
  38     int x, y;
  39 } coord_s;
  40
  41 extern coord_s dir[4];
  42
  43 // 0 = up, 1 = right, 2 = down, 3 = left
  44 //    0
  45 //    |
  46 // 3--+--1
  47 //    |
  48 //    2
  49
  50 void clear_flags();
  51 void generate_maze();
  52 int rotatecw(int d, int n);
  53 void scramble();
  54 void check_live();
  55 void add_dir(int *x, int *y, int x1, int y1, int d);
  56 #endif //GAME_H