battlestar/battlestar.c

   1 /*      $NetBSD: battlestar.c,v 1.3 1995/03/21 15:06:47 cgd Exp $       */
   2
   3 /*
   4  * Copyright (c) 1983, 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 #ifndef lint
  37 static char copyright[] =
  38 "@(#) Copyright (c) 1983, 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[] = "@(#)battlestar.c        8.1 (Berkeley) 5/31/93";
  45 #else
  46 static char rcsid[] = "$NetBSD: battlestar.c,v 1.3 1995/03/21 15:06:47 cgd Exp $";
  47 #endif
  48 #endif /* not lint */
  49
  50 /*
  51  * Battlestar - a stellar-tropical adventure game
  52  *
  53  * Originally written by His Lordship, Admiral David W. Horatio Riggle,
  54  * on the Cory PDP-11/70, University of California, Berkeley.
  55  */
  56
  57 #include "externs.h"
  58
  59 main(argc,argv)
  60 int  argc;
  61 char **argv;
  62 {
  63         char mainbuf[LINELENGTH];
  64         char *next;
  65
  66         initialize(argc < 2 || strcmp(argv[1], "-r"));
  67 start:
  68         news();
  69         beenthere[position]++;
  70         if (notes[LAUNCHED])
  71                 crash();                /* decrements fuel & crash */
  72         if (matchlight) {
  73                 puts("Your match splutters out.");
  74                 matchlight = 0;
  75         }
  76         if (!notes[CANTSEE] || testbit(inven,LAMPON) ||
  77             testbit(location[position].objects, LAMPON)) {
  78                 writedes();
  79                 printobjs();
  80         } else
  81                 puts("It's too dark to see anything in here!");
  82         whichway(location[position]);
  83 run:
  84         next = getcom(mainbuf, sizeof mainbuf, ">-: ",
  85                 "Please type in something.");
  86         for (wordcount = 0; next && wordcount < 20; wordcount++)
  87                 next = getword(next, words[wordcount], -1);
  88         parse();
  89         switch (cypher()) {
  90                 case -1:
  91                         goto run;
  92                 case 0:
  93                         goto start;
  94                 default:
  95                         exit();
  96         }
  97 }