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autover.c revision 1.4 
      1 /*	$NetBSD: autover.c,v 1.4 1997/10/12 21:24:27 christos 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. 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 #if 0
     39 static char sccsid[] = "@(#)autover.c	8.1 (Berkeley) 5/31/93";
     40 #else
     41 __RCSID("$NetBSD: autover.c,v 1.4 1997/10/12 21:24:27 christos Exp $");
     42 #endif
     43 #endif /* not lint */
     44 
     45 #include <stdio.h>
     46 #include "trek.h"
     47 
     48 /*
     49 **  Automatic Override
     50 **
     51 **	If we should be so unlucky as to be caught in a quadrant
     52 **	with a supernova in it, this routine is called.  It is
     53 **	called from checkcond().
     54 **
     55 **	It sets you to a random warp (guaranteed to be over 6.0)
     56 **	and starts sending you off "somewhere" (whereever that is).
     57 **
     58 **	Please note that it is VERY important that you reset your
     59 **	warp speed after the automatic override is called.  The new
     60 **	warp factor does not stay in effect for just this routine.
     61 **
     62 **	This routine will never try to send you more than sqrt(2)
     63 **	quadrants, since that is all that is needed.
     64 */
     65 
     66 void
     67 autover()
     68 {
     69 	double			dist;
     70 	int		course;
     71 
     72 	printf("\07RED ALERT:  The %s is in a supernova quadrant\n", Ship.shipname);
     73 	printf("***  Emergency override attempts to hurl %s to safety\n", Ship.shipname);
     74 	/* let's get our ass out of here */
     75 	Ship.warp = 6.0 + 2.0 * franf();
     76 	Ship.warp2 = Ship.warp * Ship.warp;
     77 	Ship.warp3 = Ship.warp2 * Ship.warp;
     78 	dist = 0.75 * Ship.energy / (Ship.warp3 * (Ship.shldup + 1));
     79 	if (dist > 1.4142)
     80 		dist = 1.4142;
     81 	course = ranf(360);
     82 	Etc.nkling = -1;
     83 	Ship.cond = RED;
     84 	warp(-1, course, dist);
     85 	attack(0);
     86 }
     87