xref: /original-bsd/games/trek/autover.c (revision 6cca134b)
1 /*
2  * Copyright (c) 1980 Regents of the University of California.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms are permitted
6  * provided that the above copyright notice and this paragraph are
7  * duplicated in all such forms and that any documentation,
8  * advertising materials, and other materials related to such
9  * distribution and use acknowledge that the software was developed
10  * by the University of California, Berkeley.  The name of the
11  * University may not be used to endorse or promote products derived
12  * from this software without specific prior written permission.
13  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16  */
17 
18 #ifndef lint
19 static char sccsid[] = "@(#)autover.c	5.4 (Berkeley) 06/18/88";
20 #endif /* not lint */
21 
22 # include	"trek.h"
23 
24 /*
25 **  Automatic Override
26 **
27 **	If we should be so unlucky as to be caught in a quadrant
28 **	with a supernova in it, this routine is called.  It is
29 **	called from checkcond().
30 **
31 **	It sets you to a random warp (guaranteed to be over 6.0)
32 **	and starts sending you off "somewhere" (whereever that is).
33 **
34 **	Please note that it is VERY important that you reset your
35 **	warp speed after the automatic override is called.  The new
36 **	warp factor does not stay in effect for just this routine.
37 **
38 **	This routine will never try to send you more than sqrt(2)
39 **	quadrants, since that is all that is needed.
40 */
41 
42 autover()
43 {
44 	double			dist;
45 	register int		course;
46 
47 	printf("\07RED ALERT:  The %s is in a supernova quadrant\n", Ship.shipname);
48 	printf("***  Emergency override attempts to hurl %s to safety\n", Ship.shipname);
49 	/* let's get our ass out of here */
50 	Ship.warp = 6.0 + 2.0 * franf();
51 	Ship.warp2 = Ship.warp * Ship.warp;
52 	Ship.warp3 = Ship.warp2 * Ship.warp;
53 	dist = 0.75 * Ship.energy / (Ship.warp3 * (Ship.shldup + 1));
54 	if (dist > 1.4142)
55 		dist = 1.4142;
56 	course = ranf(360);
57 	Etc.nkling = -1;
58 	Ship.cond = RED;
59 	warp(-1, course, dist);
60 	attack(0);
61 }
62