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teach.c revision 1.6 
      1 /*	$NetBSD: teach.c,v 1.6 1998/08/29 22:53:04 hubertf 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. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the University of
     18  *	California, Berkeley and its contributors.
     19  * 4. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 
     36 #include <sys/cdefs.h>
     37 #ifndef lint
     38 __COPYRIGHT("@(#) Copyright (c) 1980, 1993\n\
     39 	The Regents of the University of California.  All rights reserved.\n");
     40 #endif				/* not lint */
     41 
     42 #ifndef lint
     43 #if 0
     44 static char sccsid[] = "@(#)teach.c	8.1 (Berkeley) 5/31/93";
     45 #else
     46 __RCSID("$NetBSD: teach.c,v 1.6 1998/08/29 22:53:04 hubertf Exp $");
     47 #endif
     48 #endif				/* not lint */
     49 
     50 #include "back.h"
     51 #include "tutor.h"
     52 
     53 extern speed_t ospeed;		/* tty output speed for termlib */
     54 
     55 char   *helpm[] = {
     56 	"\nEnter a space or newline to roll, or",
     57 	"     b   to display the board",
     58 	"     d   to double",
     59 	"     q   to quit\n",
     60 	0
     61 };
     62 
     63 char   *contin[] = {
     64 	"",
     65 	0
     66 };
     67 
     68 int
     69 main(argc, argv)
     70 	int     argc;
     71 	char   *argv[];
     72 {
     73 	int     i;
     74 
     75 	signal(SIGINT, getout);
     76 	if (tcgetattr(0, &old) == -1)	/* get old tty mode */
     77 		errexit("teachgammon(gtty)");
     78 	noech = old;
     79 	noech.c_lflag &= ~ECHO;
     80 	raw = noech;
     81 	raw.c_lflag &= ~ICANON;	/* set up modes */
     82 	ospeed = cfgetospeed(&old);	/* for termlib */
     83 	tflag = getcaps(getenv("TERM"));
     84 #ifdef V7
     85 	while (*++argv != 0)
     86 #else
     87 	while (*++argv != -1)
     88 #endif
     89 		getarg(&argv);
     90 	if (tflag) {
     91 		noech.c_oflag &= ~(ONLCR | OXTABS);
     92 		raw.c_oflag &= ~(ONLCR | OXTABS);
     93 		clear();
     94 	}
     95 	text(hello);
     96 	text(list);
     97 	i = text(contin);
     98 	if (i == 0)
     99 		i = 2;
    100 	init();
    101 	while (i)
    102 		switch (i) {
    103 		case 1:
    104 			leave();
    105 
    106 		case 2:
    107 			if ((i = text(intro1)) != 0)
    108 				break;
    109 			wrboard();
    110 			if ((i = text(intro2)) != 0)
    111 				break;
    112 
    113 		case 3:
    114 			if ((i = text(moves)) != 0)
    115 				break;
    116 
    117 		case 4:
    118 			if ((i = text(removepiece)) != 0)
    119 				break;
    120 
    121 		case 5:
    122 			if ((i = text(hits)) != 0)
    123 				break;
    124 
    125 		case 6:
    126 			if ((i = text(endgame)) != 0)
    127 				break;
    128 
    129 		case 7:
    130 			if ((i = text(doubl)) != 0)
    131 				break;
    132 
    133 		case 8:
    134 			if ((i = text(stragy)) != 0)
    135 				break;
    136 
    137 		case 9:
    138 			if ((i = text(prog)) != 0)
    139 				break;
    140 
    141 		case 10:
    142 			if ((i = text(lastch)) != 0)
    143 				break;
    144 		}
    145 	tutor();
    146 	/* NOTREACHED */
    147 	return (0);
    148 }
    149 
    150 void
    151 leave()
    152 {
    153 	if (tflag)
    154 		clear();
    155 	else
    156 		writec('\n');
    157 	fixtty(&old);
    158 	execl(EXEC, "backgammon", args, "n", 0);
    159 	writel("Help! Backgammon program is missing\007!!\n");
    160 	exit(-1);
    161 }
    162