1*da121b33Sdholland /* $NetBSD: visual.c,v 1.10 2009/08/12 08:54:54 dholland Exp $ */
2887dd216Scgd
361f28255Scgd /*
4887dd216Scgd * Copyright (c) 1980, 1993
5887dd216Scgd * The Regents of the University of California. All rights reserved.
661f28255Scgd *
761f28255Scgd * Redistribution and use in source and binary forms, with or without
861f28255Scgd * modification, are permitted provided that the following conditions
961f28255Scgd * are met:
1061f28255Scgd * 1. Redistributions of source code must retain the above copyright
1161f28255Scgd * notice, this list of conditions and the following disclaimer.
1261f28255Scgd * 2. Redistributions in binary form must reproduce the above copyright
1361f28255Scgd * notice, this list of conditions and the following disclaimer in the
1461f28255Scgd * documentation and/or other materials provided with the distribution.
15e5aeb4eaSagc * 3. Neither the name of the University nor the names of its contributors
1661f28255Scgd * may be used to endorse or promote products derived from this software
1761f28255Scgd * without specific prior written permission.
1861f28255Scgd *
1961f28255Scgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
2061f28255Scgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2161f28255Scgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2261f28255Scgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
2361f28255Scgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2461f28255Scgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2561f28255Scgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2661f28255Scgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
2761f28255Scgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
2861f28255Scgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
2961f28255Scgd * SUCH DAMAGE.
3061f28255Scgd */
3161f28255Scgd
32ef383c95Schristos #include <sys/cdefs.h>
3361f28255Scgd #ifndef lint
34887dd216Scgd #if 0
35887dd216Scgd static char sccsid[] = "@(#)visual.c 8.1 (Berkeley) 5/31/93";
36887dd216Scgd #else
37*da121b33Sdholland __RCSID("$NetBSD: visual.c,v 1.10 2009/08/12 08:54:54 dholland Exp $");
38887dd216Scgd #endif
3961f28255Scgd #endif /* not lint */
4061f28255Scgd
41ef383c95Schristos #include <stdio.h>
4261f28255Scgd #include "trek.h"
43ef383c95Schristos #include "getpar.h"
4461f28255Scgd
4561f28255Scgd /*
4661f28255Scgd ** VISUAL SCAN
4761f28255Scgd **
4861f28255Scgd ** A visual scan is made in a particular direction of three sectors
4961f28255Scgd ** in the general direction specified. This takes time, and
5061f28255Scgd ** Klingons can attack you, so it should be done only when sensors
5161f28255Scgd ** are out.
5261f28255Scgd */
5361f28255Scgd
5461f28255Scgd /* This struct[] has the delta x, delta y for particular directions */
55*da121b33Sdholland static struct xy Visdelta[11] = {
56ef383c95Schristos { -1, -1 },
57ef383c95Schristos { -1, 0 },
58ef383c95Schristos { -1, 1 },
59ef383c95Schristos { 0, 1 },
60ef383c95Schristos { 1, 1 },
61ef383c95Schristos { 1, 0 },
62ef383c95Schristos { 1, -1 },
63ef383c95Schristos { 0, -1 },
64ef383c95Schristos { -1, -1 },
65ef383c95Schristos { -1, 0 },
66ef383c95Schristos { -1, 1 }
6761f28255Scgd };
6861f28255Scgd
69ef383c95Schristos /*ARGSUSED*/
70ef383c95Schristos void
visual(int z __unused)71bf0917b6Sdholland visual(int z __unused)
7261f28255Scgd {
73ef383c95Schristos int ix, iy;
7461f28255Scgd int co;
75ef383c95Schristos struct xy *v;
7661f28255Scgd
7761f28255Scgd co = getintpar("direction");
7861f28255Scgd if (co < 0 || co > 360)
7961f28255Scgd return;
8061f28255Scgd co = (co + 22) / 45;
8161f28255Scgd v = &Visdelta[co];
8261f28255Scgd ix = Ship.sectx + v->x;
8361f28255Scgd iy = Ship.secty + v->y;
8461f28255Scgd if (ix < 0 || ix >= NSECTS || iy < 0 || iy >= NSECTS)
8561f28255Scgd co = '?';
8661f28255Scgd else
8761f28255Scgd co = Sect[ix][iy];
8861f28255Scgd printf("%d,%d %c ", ix, iy, co);
8961f28255Scgd v++;
9061f28255Scgd ix = Ship.sectx + v->x;
9161f28255Scgd iy = Ship.secty + v->y;
9261f28255Scgd if (ix < 0 || ix >= NSECTS || iy < 0 || iy >= NSECTS)
9361f28255Scgd co = '?';
9461f28255Scgd else
9561f28255Scgd co = Sect[ix][iy];
9661f28255Scgd printf("%c ", co);
9761f28255Scgd v++;
9861f28255Scgd ix = Ship.sectx + v->x;
9961f28255Scgd iy = Ship.secty + v->y;
10061f28255Scgd if (ix < 0 || ix >= NSECTS || iy < 0 || iy >= NSECTS)
10161f28255Scgd co = '?';
10261f28255Scgd else
10361f28255Scgd co = Sect[ix][iy];
10461f28255Scgd printf("%c %d,%d\n", co, ix, iy);
10561f28255Scgd Move.time = 0.05;
10661f28255Scgd Move.free = 0;
10761f28255Scgd }
108