battlestar/battlestar.c

   1 /*
   2  * Copyright (c) 1983 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) 1983 Regents of the University of California.\n\
  37  All rights reserved.\n";
  38 #endif /* not lint */
  39
  40 #ifndef lint
  41 /*static char sccsid[] = "from: @(#)battlestar.c        5.3 (Berkeley) 6/1/90";*/
  42 static char rcsid[] = "$Id: battlestar.c,v 1.2 1993/08/01 18:56:14 mycroft Exp $";
  43 #endif /* not lint */
  44
  45 /*
  46  * Battlestar - a stellar-tropical adventure game
  47  *
  48  * Originally written by His Lordship, Admiral David W. Horatio Riggle,
  49  * on the Cory PDP-11/70, University of California, Berkeley.
  50  */
  51
  52 #include "externs.h"
  53
  54 main(argc,argv)
  55 int  argc;
  56 char **argv;
  57 {
  58         char mainbuf[LINELENGTH];
  59         char *next;
  60
  61         initialize(argc < 2 || strcmp(argv[1], "-r"));
  62 start:
  63         news();
  64         beenthere[position]++;
  65         if (notes[LAUNCHED])
  66                 crash();                /* decrements fuel & crash */
  67         if (matchlight) {
  68                 puts("Your match splutters out.");
  69                 matchlight = 0;
  70         }
  71         if (!notes[CANTSEE] || testbit(inven,LAMPON) ||
  72             testbit(location[position].objects, LAMPON)) {
  73                 writedes();
  74                 printobjs();
  75         } else
  76                 puts("It's too dark to see anything in here!");
  77         whichway(location[position]);
  78 run:
  79         next = getcom(mainbuf, sizeof mainbuf, ">-: ",
  80                 "Please type in something.");
  81         for (wordcount = 0; next && wordcount < 20; wordcount++)
  82                 next = getword(next, words[wordcount], -1);
  83         parse();
  84         switch (cypher()) {
  85                 case -1:
  86                         goto run;
  87                 case 0:
  88                         goto start;
  89                 default:
  90                         exit();
  91         }
  92 }