projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 520d5775 EA |
1 | # include "trek.h" |
| 2 | ||
| 3 | /* | |
| 4 | ** VISUAL SCAN | |
| 5 | ** | |
| 6 | ** A visual scan is made in a particular direction of three sectors | |
| 7 | ** in the general direction specified. This takes time, and | |
| 8 | ** Klingons can attack you, so it should be done only when sensors | |
| 9 | ** are out. | |
| 10 | */ | |
| 11 | ||
| 12 | /* This struct[] has the delta x, delta y for particular directions */ | |
| 13 | struct xy Visdelta[11] | |
| 14 | { | |
| 15 | -1, -1, | |
| 16 | -1, 0, | |
| 17 | -1, 1, | |
| 18 | 0, 1, | |
| 19 | 1, 1, | |
| 20 | 1, 0, | |
| 21 | 1, -1, | |
| 22 | 0, -1, | |
| 23 | -1, -1, | |
| 24 | -1, 0, | |
| 25 | -1, 1 | |
| 26 | }; | |
| 27 | ||
| 28 | visual() | |
| 29 | { | |
| 30 | register int ix, iy; | |
| 31 | int co; | |
| 32 | register struct xy *v; | |
| 33 | ||
| 34 | co = getintpar("direction"); | |
| 35 | if (co < 0 || co > 360) | |
| 36 | return; | |
| 37 | co = (co + 22) / 45; | |
| 38 | v = &Visdelta[co]; | |
| 39 | ix = Ship.sectx + v->x; | |
| 40 | iy = Ship.secty + v->y; | |
| 41 | if (ix < 0 || ix >= NSECTS || iy < 0 || iy >= NSECTS) | |
| 42 | co = '?'; | |
| 43 | else | |
| 44 | co = Sect[ix][iy]; | |
| 45 | printf("%d,%d %c ", ix, iy, co); | |
| 46 | v++; | |
| 47 | ix = Ship.sectx + v->x; | |
| 48 | iy = Ship.secty + v->y; | |
| 49 | if (ix < 0 || ix >= NSECTS || iy < 0 || iy >= NSECTS) | |
| 50 | co = '?'; | |
| 51 | else | |
| 52 | co = Sect[ix][iy]; | |
| 53 | printf("%c ", co); | |
| 54 | v++; | |
| 55 | ix = Ship.sectx + v->x; | |
| 56 | iy = Ship.secty + v->y; | |
| 57 | if (ix < 0 || ix >= NSECTS || iy < 0 || iy >= NSECTS) | |
| 58 | co = '?'; | |
| 59 | else | |
| 60 | co = Sect[ix][iy]; | |
| 61 | printf("%c %d,%d\n", co, ix, iy); | |
| 62 | Move.time = 0.05; | |
| 63 | Move.free = 0; | |
| 64 | } |