1 /* $NetBSD: impulse.c,v 1.10 2009/05/24 22:55:03 dholland 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[] = "@(#)impulse.c 8.1 (Berkeley) 5/31/93";
36 #else
37 __RCSID("$NetBSD: impulse.c,v 1.10 2009/05/24 22:55:03 dholland Exp $");
38 #endif
39 #endif /* not lint */
40
41 #include <stdio.h>
42 #include "trek.h"
43 #include "getpar.h"
44
45 /**
46 ** move under impulse power
47 **/
48
49 /*ARGSUSED*/
50 void
impulse(int v __unused)51 impulse(int v __unused)
52 {
53 int course;
54 int power;
55 double dist, time;
56 int percent;
57
58 if (Ship.cond == DOCKED) {
59 printf("Scotty: Sorry captain, but we are still docked.\n");
60 return;
61 }
62 if (damaged(IMPULSE)) {
63 out(IMPULSE);
64 return;
65 }
66 if (getcodi(&course, &dist))
67 return;
68 power = 20 + 100 * dist;
69 percent = 100 * power / Ship.energy + 0.5;
70 if (percent >= 85) {
71 printf("Scotty: That would consume %d%% of our remaining "
72 "energy.\n",
73 percent);
74 if (!getynpar("Are you sure that is wise"))
75 return;
76 printf("Aye aye, sir\n");
77 }
78 time = dist / 0.095;
79 percent = 100 * time / Now.time + 0.5;
80 if (percent >= 85) {
81 printf("Spock: That would take %d%% of our remaining time.\n",
82 percent);
83 if (!getynpar("Are you sure that is wise"))
84 return;
85 printf("(He's finally gone mad)\n");
86 }
87 Move.time = move(0, course, time, 0.095);
88 Ship.energy -= 20 + 100 * Move.time * 0.095;
89 }
90