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setwarp.c revision 1.3 
      1 /*	$NetBSD: setwarp.c,v 1.3 1995/04/22 10:59:27 cgd 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 #ifndef lint
     37 #if 0
     38 static char sccsid[] = "@(#)setwarp.c	8.1 (Berkeley) 5/31/93";
     39 #else
     40 static char rcsid[] = "$NetBSD: setwarp.c,v 1.3 1995/04/22 10:59:27 cgd Exp $";
     41 #endif
     42 #endif /* not lint */
     43 
     44 # include	"trek.h"
     45 # include	"getpar.h"
     46 
     47 /*
     48 **  SET WARP FACTOR
     49 **
     50 **	The warp factor is set for future move commands.  It is
     51 **	checked for consistancy.
     52 */
     53 
     54 setwarp()
     55 {
     56 	double	warpfac;
     57 
     58 	warpfac = getfltpar("Warp factor");
     59 	if (warpfac < 0.0)
     60 		return;
     61 	if (warpfac < 1.0)
     62 		return (printf("Minimum warp speed is 1.0\n"));
     63 	if (warpfac > 10.0)
     64 		return (printf("Maximum speed is warp 10.0\n"));
     65 	if (warpfac > 6.0)
     66 		printf("Damage to warp engines may occur above warp 6.0\n");
     67 	Ship.warp = warpfac;
     68 	Ship.warp2 = Ship.warp * warpfac;
     69 	Ship.warp3 = Ship.warp2 * warpfac;
     70 }
     71