1 /* $OpenBSD: setwarp.c,v 1.6 2016/01/07 14:37:51 mestre Exp $ */
2 /* $NetBSD: setwarp.c,v 1.3 1995/04/22 10:59:27 cgd Exp $ */
3
4 /*
5 * Copyright (c) 1980, 1993
6 * The Regents of the University of California. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33 #include <stdio.h>
34
35 #include "getpar.h"
36 #include "trek.h"
37
38 /*
39 ** SET WARP FACTOR
40 **
41 ** The warp factor is set for future move commands. It is
42 ** checked for consistancy.
43 */
44
45 void
setwarp(int v)46 setwarp(int v)
47 {
48 double warpfac;
49
50 warpfac = getfltpar("Warp factor");
51 if (warpfac < 0.0)
52 return;
53 if (warpfac < 1.0)
54 {
55 printf("Minimum warp speed is 1.0\n");
56 return;
57 }
58 if (warpfac > 10.0)
59 {
60 printf("Maximum speed is warp 10.0\n");
61 return;
62 }
63 if (warpfac > 6.0)
64 printf("Damage to warp engines may occur above warp 6.0\n");
65 Ship.warp = warpfac;
66 Ship.warp2 = Ship.warp * warpfac;
67 Ship.warp3 = Ship.warp2 * warpfac;
68 }
69