1 /* $NetBSD: battlestar.c,v 1.9 1999/09/18 16:40:04 jsm 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 #include <sys/cdefs.h> 37 #ifndef lint 38 __COPYRIGHT("@(#) 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 8.2 (Berkeley) 4/28/95"; 45 #else 46 __RCSID("$NetBSD: battlestar.c,v 1.9 1999/09/18 16:40:04 jsm 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 "extern.h" 58 59 int main __P((int, char *[])); 60 61 int 62 main(argc, argv) 63 int argc; 64 char **argv; 65 { 66 char mainbuf[LINELENGTH]; 67 char *next; 68 69 /* Open the score file then revoke setgid privileges */ 70 open_score_file(); 71 setregid(getgid(), getgid()); 72 73 initialize((argc < 2) ? NULL : (strcmp(argv[1], "-r") ? argv[1] 74 : (argv[2] ? argv[2] 75 : DEFAULT_SAVE_FILE))); 76 start: 77 news(); 78 beenthere[position]++; 79 if (notes[LAUNCHED]) 80 crash(); /* decrements fuel & crash */ 81 if (matchlight) { 82 puts("Your match splutters out."); 83 matchlight = 0; 84 } 85 if (!notes[CANTSEE] || testbit(inven, LAMPON) || 86 testbit(location[position].objects, LAMPON)) { 87 writedes(); 88 printobjs(); 89 } else 90 puts("It's too dark to see anything in here!"); 91 whichway(location[position]); 92 run: 93 next = getcom(mainbuf, sizeof mainbuf, ">-: ", 94 "Please type in something."); 95 for (wordcount = 0; next && wordcount < 20; wordcount++) 96 next = getword(next, words[wordcount], -1); 97 parse(); 98 switch (cypher()) { 99 case -1: 100 goto run; 101 case 0: 102 goto start; 103 default: 104 errx(1, "bad return from cypher(): please submit a bug report"); 105 } 106 } 107