projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 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 |
| 95f51977 | 8 | static char sccsid[] = "@(#)visual.c 5.1 (Berkeley) 1/29/86"; |
| 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 | } |