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      1 /*	$NetBSD: setwarp.c,v 1.9 2022/05/24 06:27:59 andvar 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[] = "@(#)setwarp.c	8.1 (Berkeley) 5/31/93";
     36 #else
     37 __RCSID("$NetBSD: setwarp.c,v 1.9 2022/05/24 06:27:59 andvar Exp $");
     38 #endif
     39 #endif /* not lint */
     40 
     41 #include <stdio.h>
     42 #include "trek.h"
     43 #include "getpar.h"
     44 
     45 /*
     46 **  SET WARP FACTOR
     47 **
     48 **	The warp factor is set for future move commands.  It is
     49 **	checked for consistency.
     50 */
     51 
     52 /*ARGSUSED*/
     53 void
     54 setwarp(int v __unused)
     55 {
     56 	double	warpfac;
     57 
     58 	warpfac = getfltpar("Warp factor");
     59 	if (warpfac < 0.0)
     60 		return;
     61 	if (warpfac < 1.0) {
     62 		printf("Minimum warp speed is 1.0\n");
     63 		return;
     64 	}
     65 	if (warpfac > 10.0) {
     66 		printf("Maximum speed is warp 10.0\n");
     67 		return;
     68 	}
     69 	if (warpfac > 6.0)
     70 		printf("Damage to warp engines may occur above warp 6.0\n");
     71 	Ship.warp = warpfac;
     72 	Ship.warp2 = Ship.warp * warpfac;
     73 	Ship.warp3 = Ship.warp2 * warpfac;
     74 }
     75