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9758240b KM |
1 | /* |
2 | * Copyright (c) 1980 Regents of the University of California. | |
3 | * All rights reserved. The Berkeley software License Agreement | |
4 | * specifies the terms and conditions for redistribution. | |
5 | */ | |
6 | ||
13afb696 | 7 | #ifndef lint |
9758240b | 8 | static char sccsid[] = "@(#)visual.c 5.1 (Berkeley) %G%"; |
13afb696 KM |
9 | #endif not lint |
10 | ||
11 | # include "trek.h" | |
12 | ||
13 | /* | |
14 | ** VISUAL SCAN | |
15 | ** | |
16 | ** A visual scan is made in a particular direction of three sectors | |
17 | ** in the general direction specified. This takes time, and | |
18 | ** Klingons can attack you, so it should be done only when sensors | |
19 | ** are out. | |
20 | */ | |
21 | ||
22 | /* This struct[] has the delta x, delta y for particular directions */ | |
06d69904 | 23 | struct xy Visdelta[11] = |
13afb696 KM |
24 | { |
25 | -1, -1, | |
26 | -1, 0, | |
27 | -1, 1, | |
28 | 0, 1, | |
29 | 1, 1, | |
30 | 1, 0, | |
31 | 1, -1, | |
32 | 0, -1, | |
33 | -1, -1, | |
34 | -1, 0, | |
35 | -1, 1 | |
36 | }; | |
37 | ||
38 | visual() | |
39 | { | |
40 | register int ix, iy; | |
41 | int co; | |
42 | register struct xy *v; | |
43 | ||
44 | co = getintpar("direction"); | |
45 | if (co < 0 || co > 360) | |
46 | return; | |
47 | co = (co + 22) / 45; | |
48 | v = &Visdelta[co]; | |
49 | ix = Ship.sectx + v->x; | |
50 | iy = Ship.secty + v->y; | |
51 | if (ix < 0 || ix >= NSECTS || iy < 0 || iy >= NSECTS) | |
52 | co = '?'; | |
53 | else | |
54 | co = Sect[ix][iy]; | |
55 | printf("%d,%d %c ", ix, iy, co); | |
56 | v++; | |
57 | ix = Ship.sectx + v->x; | |
58 | iy = Ship.secty + v->y; | |
59 | if (ix < 0 || ix >= NSECTS || iy < 0 || iy >= NSECTS) | |
60 | co = '?'; | |
61 | else | |
62 | co = Sect[ix][iy]; | |
63 | printf("%c ", co); | |
64 | v++; | |
65 | ix = Ship.sectx + v->x; | |
66 | iy = Ship.secty + v->y; | |
67 | if (ix < 0 || ix >= NSECTS || iy < 0 || iy >= NSECTS) | |
68 | co = '?'; | |
69 | else | |
70 | co = Sect[ix][iy]; | |
71 | printf("%c %d,%d\n", co, ix, iy); | |
72 | Move.time = 0.05; | |
73 | Move.free = 0; | |
74 | } |