1 /*- 2 * Copyright (c) 1980, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)autover.c 8.1 (Berkeley) 5/31/93 30 * $FreeBSD: src/games/trek/autover.c,v 1.4 1999/11/30 03:49:43 billf Exp $ 31 */ 32 33 #include "trek.h" 34 35 /* 36 ** Automatic Override 37 ** 38 ** If we should be so unlucky as to be caught in a quadrant 39 ** with a supernova in it, this routine is called. It is 40 ** called from checkcond(). 41 ** 42 ** It sets you to a random warp (guaranteed to be over 6.0) 43 ** and starts sending you off "somewhere" (wherever that is). 44 ** 45 ** Please note that it is VERY important that you reset your 46 ** warp speed after the automatic override is called. The new 47 ** warp factor does not stay in effect for just this routine. 48 ** 49 ** This routine will never try to send you more than sqrt(2) 50 ** quadrants, since that is all that is needed. 51 */ 52 53 void 54 autover(void) 55 { 56 double dist; 57 int course; 58 59 printf("\07RED ALERT: The %s is in a supernova quadrant\n", 60 Ship.shipname); 61 printf("*** Emergency override attempts to hurl %s to safety\n", 62 Ship.shipname); 63 /* let's get our ass out of here */ 64 Ship.warp = 6.0 + 2.0 * franf(); 65 Ship.warp2 = Ship.warp * Ship.warp; 66 Ship.warp3 = Ship.warp2 * Ship.warp; 67 dist = 0.75 * Ship.energy / (Ship.warp3 * (Ship.shldup + 1)); 68 if (dist > 1.4142) 69 dist = 1.4142; 70 course = ranf(360); 71 Etc.nkling = -1; 72 Ship.cond = RED; 73 warp(-1, course, dist); 74 attack(0); 75 } 76