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      1 /*	$NetBSD: destruct.c,v 1.10 2009/05/24 21:44:56 dholland 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. Neither the name of the University nor the names of its contributors
     16  *    may be used to endorse or promote products derived from this software
     17  *    without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 #ifndef lint
     34 #if 0
     35 static char sccsid[] = "@(#)destruct.c	8.1 (Berkeley) 5/31/93";
     36 #else
     37 __RCSID("$NetBSD: destruct.c,v 1.10 2009/05/24 21:44:56 dholland Exp $");
     38 #endif
     39 #endif /* not lint */
     40 
     41 #include <stdio.h>
     42 #include <string.h>
     43 #include <unistd.h>
     44 #include "trek.h"
     45 #include "getpar.h"
     46 
     47 /*
     48 **  Self Destruct Sequence
     49 **
     50 **	The computer starts up the self destruct sequence.  Obviously,
     51 **	if the computer is out nothing can happen.  You get a countdown
     52 **	and a request for password.  This must match the password that
     53 **	you entered at the start of the game.
     54 **
     55 **	You get to destroy things when you blow up; hence, it is
     56 **	possible to win the game by destructing if you take the last
     57 **	Klingon with you.
     58 **
     59 **	By the way, the \032 in the message is a ^Z, which is because
     60 **	the terminal in my office is an ADM-3, which uses that char-
     61 **	acter to clear the screen.  I also stick in a \014 (form feed)
     62 **	because that clears some other screens.
     63 **
     64 **	Uses trace flag 41
     65 */
     66 
     67 /*ARGSUSED*/
     68 void
     69 destruct(int v __unused)
     70 {
     71 	char		checkpass[15];
     72 	int	i, j;
     73 	double		zap;
     74 
     75 	if (damaged(COMPUTER)) {
     76 		out(COMPUTER);
     77 		return;
     78 	}
     79 	printf("\n\07 --- WORKING ---\07\n");
     80 	sleep(3);
     81 	/* output the count 10 9 8 7 6 */
     82 	for (i = 10; i > 5; i--) {
     83 		for (j = 10;  j > i; j--)
     84 			printf("   ");
     85 		printf("%d\n", i);
     86 		sleep(1);
     87 	}
     88 	/* check for password on new line only */
     89 	skiptonl(0);
     90 	getstrpar("Enter password verification", checkpass, 14, 0);
     91 	sleep(2);
     92 	if (strcmp(checkpass, Game.passwd) != 0) {
     93 		printf("Self destruct sequence aborted\n");
     94 		return;
     95 	}
     96 	printf("Password verified; self destruct sequence continues:\n");
     97 	sleep(2);
     98 	/* output count 5 4 3 2 1 0 */
     99 	for (i = 5; i >= 0; i--) {
    100 		sleep(1);
    101 		for (j = 5; j > i; j--)
    102 			printf("   ");
    103 		printf("%d\n", i);
    104 	}
    105 	sleep(2);
    106 	printf("\032\014***** %s destroyed *****\n", Ship.shipname);
    107 	Game.killed = 1;
    108 	/* let's see what we can blow up!!!! */
    109 	zap = 20.0 * Ship.energy;
    110 	Game.deaths += Ship.crew;
    111 	for (i = 0; i < Etc.nkling; ) {
    112 		if (Etc.klingon[i].power * Etc.klingon[i].dist <= zap)
    113 			killk(Etc.klingon[i].x, Etc.klingon[i].y);
    114 		else
    115 			i++;
    116 	}
    117 	/* if we didn't kill the last Klingon (detected by killk), */
    118 	/* then we lose.... */
    119 	lose(L_DSTRCT);
    120 }
    121