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f54f2bac WJ |
1 | /* |
2 | * Copyright (c) 1980 Regents of the University of California. | |
3 | * 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. All advertising materials mentioning features or use of this software | |
14 | * must display the following acknowledgement: | |
15 | * This product includes software developed by the University of | |
16 | * California, Berkeley and its contributors. | |
17 | * 4. Neither the name of the University nor the names of its contributors | |
18 | * may be used to endorse or promote products derived from this software | |
19 | * without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
31 | * SUCH DAMAGE. | |
32 | */ | |
33 | ||
34 | #ifndef lint | |
35 | static char sccsid[] = "@(#)impulse.c 5.4 (Berkeley) 6/1/90"; | |
36 | #endif /* not lint */ | |
37 | ||
38 | # include "trek.h" | |
39 | ||
40 | /** | |
41 | ** move under impulse power | |
42 | **/ | |
43 | ||
44 | impulse() | |
45 | { | |
46 | int course; | |
47 | register int power; | |
48 | double dist, time; | |
49 | register int percent; | |
50 | extern double move(); | |
51 | ||
52 | if (Ship.cond == DOCKED) | |
53 | return (printf("Scotty: Sorry captain, but we are still docked.\n")); | |
54 | if (damaged(IMPULSE)) | |
55 | return (out(IMPULSE)); | |
56 | if (getcodi(&course, &dist)) | |
57 | return; | |
58 | power = 20 + 100 * dist; | |
59 | percent = 100 * power / Ship.energy + 0.5; | |
60 | if (percent >= 85) | |
61 | { | |
62 | printf("Scotty: That would consume %d%% of our remaining energy.\n", | |
63 | percent); | |
64 | if (!getynpar("Are you sure that is wise")) | |
65 | return; | |
66 | printf("Aye aye, sir\n"); | |
67 | } | |
68 | time = dist / 0.095; | |
69 | percent = 100 * time / Now.time + 0.5; | |
70 | if (percent >= 85) | |
71 | { | |
72 | printf("Spock: That would take %d%% of our remaining time.\n", | |
73 | percent); | |
74 | if (!getynpar("Are you sure that is wise")) | |
75 | return; | |
76 | printf("(He's finally gone mad)\n"); | |
77 | } | |
78 | Move.time = move(0, course, time, 0.095); | |
79 | Ship.energy -= 20 + 100 * Move.time * 0.095; | |
80 | } |