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      1 /*	$NetBSD: init.c,v 1.11 2024/08/22 20:46:40 rillig Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1980, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. Neither the name of the University nor the names of its contributors
     16  *    may be used to endorse or promote products derived from this software
     17  *    without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 #ifndef lint
     34 #if 0
     35 static char sccsid[] = "@(#)init.c	8.1 (Berkeley) 5/31/93";
     36 #else
     37 __RCSID("$NetBSD: init.c,v 1.11 2024/08/22 20:46:40 rillig Exp $");
     38 #endif
     39 #endif /* not lint */
     40 
     41 #include <termios.h>
     42 
     43 #include "back.h"
     44 
     45 /*
     46  * variable initialization.
     47  */
     48 
     49  /* name of executable object programs */
     50 const char    EXEC[] = "/usr/games/backgammon";
     51 const char    TEACH[] = "/usr/games/teachgammon";
     52 
     53 int     pnum = 2;		/* color of player: -1 = white 1 = red 0 =
     54 				 * both 2 = not yet init'ed */
     55 int     acnt = 0;		/* length of args */
     56 int     aflag = 1;		/* flag to ask for rules or instructions */
     57 int     bflag = 0;		/* flag for automatic board printing */
     58 int     cflag = 0;		/* case conversion flag */
     59 int     hflag = 1;		/* flag for cleaning screen */
     60 int     mflag = 0;		/* backgammon flag */
     61 int     raflag = 0;		/* 'roll again' flag for recovered game */
     62 int     rflag = 0;		/* recovered game flag */
     63 int     tflag = 0;		/* cursor addressing flag */
     64 int     iroll = 0;		/* special flag for inputting rolls */
     65 int     rfl = 0;
     66 
     67 const char   *const color[] = {"White", "Red", "white", "red"};
     68 
     69 
     70 const char	*const *Colorptr;
     71 const char	*const *colorptr;
     72 int	*inopp;
     73 int	*inptr;
     74 int	*offopp;
     75 int	*offptr;
     76 char	args[100];
     77 int	bar;
     78 int	begscr;
     79 int	board[26];
     80 char	cin[100];
     81 int	colen;
     82 int	cturn;
     83 int	curc;
     84 int	curr;
     85 int	dlast;
     86 int	gvalue;
     87 int	home;
     88 int	in[2];
     89 int	ncin;
     90 int	off[2];
     91 int	rscore;
     92 int	table[6][6];
     93 int	wscore;
     94 struct termios	old, noech, raw;
     95 
     96 void
     97 move_init(struct move *mm)
     98 {
     99 	mm->D0 = 0;
    100 	mm->D1 = 0;
    101 	mm->mvlim = 0;
    102 	mm->p[0] = mm->p[1] = mm->p[2] = mm->p[3] = mm->p[4] = 0;
    103 	mm->g[0] = mm->g[1] = mm->g[2] = mm->g[3] = mm->g[4] = 0;
    104 	mm->h[0] = mm->h[1] = mm->h[2] = mm->h[3] = 0;
    105 	mm->d0 = 0;
    106 }
    107