1263348Sjmmv/*	$OpenBSD: visual.c,v 1.7 2016/01/07 14:37:51 mestre Exp $	*/
2263348Sjmmv/*	$NetBSD: visual.c,v 1.3 1995/04/22 10:59:39 cgd Exp $	*/
3263348Sjmmv
4263348Sjmmv/*
5263348Sjmmv * Copyright (c) 1980, 1993
6263348Sjmmv *	The Regents of the University of California.  All rights reserved.
7263348Sjmmv *
8263348Sjmmv * Redistribution and use in source and binary forms, with or without
9263348Sjmmv * modification, are permitted provided that the following conditions
10263348Sjmmv * are met:
11263348Sjmmv * 1. Redistributions of source code must retain the above copyright
12263348Sjmmv *    notice, this list of conditions and the following disclaimer.
13263348Sjmmv * 2. Redistributions in binary form must reproduce the above copyright
14263348Sjmmv *    notice, this list of conditions and the following disclaimer in the
15263348Sjmmv *    documentation and/or other materials provided with the distribution.
16263348Sjmmv * 3. Neither the name of the University nor the names of its contributors
17263348Sjmmv *    may be used to endorse or promote products derived from this software
18263348Sjmmv *    without specific prior written permission.
19263348Sjmmv *
20263348Sjmmv * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21263348Sjmmv * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22263348Sjmmv * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23263348Sjmmv * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24263348Sjmmv * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25263348Sjmmv * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26263348Sjmmv * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27263348Sjmmv * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28263348Sjmmv * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29263348Sjmmv * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30263348Sjmmv * SUCH DAMAGE.
31263348Sjmmv */
32263348Sjmmv
33#include <stdio.h>
34
35#include "getpar.h"
36#include "trek.h"
37
38/*
39**  VISUAL SCAN
40**
41**	A visual scan is made in a particular direction of three sectors
42**	in the general direction specified.  This takes time, and
43**	Klingons can attack you, so it should be done only when sensors
44**	are out.
45*/
46
47/* This struct[] has the delta x, delta y for particular directions */
48struct xy	Visdelta[11] =
49{
50	{ -1,	-1 },
51	{ -1,	 0 },
52	{ -1,	 1 },
53	{  0,	 1 },
54	{  1,	 1 },
55	{  1,	 0 },
56	{  1,	-1 },
57	{  0,	-1 },
58	{ -1,	-1 },
59	{ -1,	 0 },
60	{ -1,	 1 }
61};
62
63void
64visual(int z)
65{
66	int		ix, iy, co;
67	struct xy	*v;
68
69	co = getintpar("direction");
70	if (co < 0 || co > 360)
71		return;
72	co = (co + 22) / 45;
73	v = &Visdelta[co];
74	ix = Ship.sectx + v->x;
75	iy = Ship.secty + v->y;
76	if (ix < 0 || ix >= NSECTS || iy < 0 || iy >= NSECTS)
77		co = '?';
78	else
79		co = Sect[ix][iy];
80	printf("%d,%d %c ", ix, iy, co);
81	v++;
82	ix = Ship.sectx + v->x;
83	iy = Ship.secty + v->y;
84	if (ix < 0 || ix >= NSECTS || iy < 0 || iy >= NSECTS)
85		co = '?';
86	else
87		co = Sect[ix][iy];
88	printf("%c ", co);
89	v++;
90	ix = Ship.sectx + v->x;
91	iy = Ship.secty + v->y;
92	if (ix < 0 || ix >= NSECTS || iy < 0 || iy >= NSECTS)
93		co = '?';
94	else
95		co = Sect[ix][iy];
96	printf("%c %d,%d\n", co, ix, iy);
97	Move.time = 0.05;
98	Move.free = 0;
99}
100