projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 9758240b | 1 | /* |
| 4c3ad851 KB |
2 | * Copyright (c) 1980, 1993 |
| 3 | * The Regents of the University of California. All rights reserved. | |
| e9fb6bea | 4 | * |
| c0567266 KB |
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. | |
| 9758240b KM |
32 | */ |
| 33 | ||
| 13afb696 | 34 | #ifndef lint |
| ad787160 | 35 | static char sccsid[] = "@(#)visual.c 8.1 (Berkeley) 5/31/93"; |
| e9fb6bea | 36 | #endif /* not lint */ |
| 13afb696 KM |
37 | |
| 38 | # include "trek.h" | |
| 39 | ||
| 40 | /* | |
| 41 | ** VISUAL SCAN | |
| 42 | ** | |
| 43 | ** A visual scan is made in a particular direction of three sectors | |
| 44 | ** in the general direction specified. This takes time, and | |
| 45 | ** Klingons can attack you, so it should be done only when sensors | |
| 46 | ** are out. | |
| 47 | */ | |
| 48 | ||
| 49 | /* This struct[] has the delta x, delta y for particular directions */ | |
| 06d69904 | 50 | struct xy Visdelta[11] = |
| 13afb696 KM |
51 | { |
| 52 | -1, -1, | |
| 53 | -1, 0, | |
| 54 | -1, 1, | |
| 55 | 0, 1, | |
| 56 | 1, 1, | |
| 57 | 1, 0, | |
| 58 | 1, -1, | |
| 59 | 0, -1, | |
| 60 | -1, -1, | |
| 61 | -1, 0, | |
| 62 | -1, 1 | |
| 63 | }; | |
| 64 | ||
| 65 | visual() | |
| 66 | { | |
| 67 | register int ix, iy; | |
| 68 | int co; | |
| 69 | register struct xy *v; | |
| 70 | ||
| 71 | co = getintpar("direction"); | |
| 72 | if (co < 0 || co > 360) | |
| 73 | return; | |
| 74 | co = (co + 22) / 45; | |
| 75 | v = &Visdelta[co]; | |
| 76 | ix = Ship.sectx + v->x; | |
| 77 | iy = Ship.secty + v->y; | |
| 78 | if (ix < 0 || ix >= NSECTS || iy < 0 || iy >= NSECTS) | |
| 79 | co = '?'; | |
| 80 | else | |
| 81 | co = Sect[ix][iy]; | |
| 82 | printf("%d,%d %c ", ix, iy, co); | |
| 83 | v++; | |
| 84 | ix = Ship.sectx + v->x; | |
| 85 | iy = Ship.secty + v->y; | |
| 86 | if (ix < 0 || ix >= NSECTS || iy < 0 || iy >= NSECTS) | |
| 87 | co = '?'; | |
| 88 | else | |
| 89 | co = Sect[ix][iy]; | |
| 90 | printf("%c ", co); | |
| 91 | v++; | |
| 92 | ix = Ship.sectx + v->x; | |
| 93 | iy = Ship.secty + v->y; | |
| 94 | if (ix < 0 || ix >= NSECTS || iy < 0 || iy >= NSECTS) | |
| 95 | co = '?'; | |
| 96 | else | |
| 97 | co = Sect[ix][iy]; | |
| 98 | printf("%c %d,%d\n", co, ix, iy); | |
| 99 | Move.time = 0.05; | |
| 100 | Move.free = 0; | |
| 101 | } |