trek/autover.c

   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 }