Home | History | Annotate | Line # | Download | only in teachgammon
teach.c revision 1.1.1.1 
      1 /*
      2  * Copyright (c) 1980 Regents of the University of California.
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *	This product includes software developed by the University of
     16  *	California, Berkeley and its contributors.
     17  * 4. Neither the name of the University nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  */
     33 
     34 #ifndef lint
     35 char copyright[] =
     36 "@(#) Copyright (c) 1980 Regents of the University of California.\n\
     37  All rights reserved.\n";
     38 #endif /* not lint */
     39 
     40 #ifndef lint
     41 static char sccsid[] = "@(#)teach.c	5.6 (Berkeley) 6/1/90";
     42 #endif /* not lint */
     43 
     44 #include "back.h"
     45 
     46 char	*hello[];
     47 char	*list[];
     48 char	*intro1[];
     49 char	*intro2[];
     50 char	*moves[];
     51 char	*remove[];
     52 char	*hits[];
     53 char	*endgame[];
     54 char	*doubl[];
     55 char	*stragy[];
     56 char	*prog[];
     57 char	*lastch[];
     58 
     59 extern char	ospeed;			/* tty output speed for termlib */
     60 
     61 char *helpm[] = {
     62 	"\nEnter a space or newline to roll, or",
     63 	"     b   to display the board",
     64 	"     d   to double",
     65 	"     q   to quit\n",
     66 	0
     67 };
     68 
     69 char *contin[] = {
     70 	"",
     71 	0
     72 };
     73 
     74 main (argc,argv)
     75 int	argc;
     76 char	**argv;
     77 
     78 {
     79 	register int	i;
     80 
     81 	signal (2,getout);
     82 	if (gtty (0,&tty) == -1)			/* get old tty mode */
     83 		errexit ("teachgammon(gtty)");
     84 	old = tty.sg_flags;
     85 #ifdef V7
     86 	raw = ((noech = old & ~ECHO) | CBREAK);		/* set up modes */
     87 #else
     88 	raw = ((noech = old & ~ECHO) | RAW);		/* set up modes */
     89 #endif
     90 	ospeed = tty.sg_ospeed;				/* for termlib */
     91 	tflag = getcaps (getenv ("TERM"));
     92 #ifdef V7
     93 	while (*++argv != 0)
     94 #else
     95 	while (*++argv != -1)
     96 #endif
     97 		getarg (&argv);
     98 	if (tflag)  {
     99 		noech &= ~(CRMOD|XTABS);
    100 		raw &= ~(CRMOD|XTABS);
    101 		clear();
    102 	}
    103 	text (hello);
    104 	text (list);
    105 	i = text (contin);
    106 	if (i == 0)
    107 		i = 2;
    108 	init();
    109 	while (i)
    110 		switch (i)  {
    111 
    112 		case 1:
    113 			leave();
    114 
    115 		case 2:
    116 			if (i = text(intro1))
    117 				break;
    118 			wrboard();
    119 			if (i = text(intro2))
    120 				break;
    121 
    122 		case 3:
    123 			if (i = text(moves))
    124 				break;
    125 
    126 		case 4:
    127 			if (i = text(remove))
    128 				break;
    129 
    130 		case 5:
    131 			if (i = text(hits))
    132 				break;
    133 
    134 		case 6:
    135 			if (i = text(endgame))
    136 				break;
    137 
    138 		case 7:
    139 			if (i = text(doubl))
    140 				break;
    141 
    142 		case 8:
    143 			if (i = text(stragy))
    144 				break;
    145 
    146 		case 9:
    147 			if (i = text(prog))
    148 				break;
    149 
    150 		case 10:
    151 			if (i = text(lastch))
    152 				break;
    153 		}
    154 	tutor();
    155 }
    156 
    157 leave()  {
    158 	if (tflag)
    159 		clear();
    160 	else
    161 		writec ('\n');
    162 	fixtty(old);
    163 	execl (EXEC,"backgammon",args,"n",0);
    164 	writel ("Help! Backgammon program is missing\007!!\n");
    165 	exit (-1);
    166 }
    167