1*11da2480Smestre /* $OpenBSD: visual.c,v 1.7 2016/01/07 14:37:51 mestre Exp $ */
2df930be7Sderaadt /* $NetBSD: visual.c,v 1.3 1995/04/22 10:59:39 cgd Exp $ */
3df930be7Sderaadt
4df930be7Sderaadt /*
5df930be7Sderaadt * Copyright (c) 1980, 1993
6df930be7Sderaadt * The Regents of the University of California. All rights reserved.
7df930be7Sderaadt *
8df930be7Sderaadt * Redistribution and use in source and binary forms, with or without
9df930be7Sderaadt * modification, are permitted provided that the following conditions
10df930be7Sderaadt * are met:
11df930be7Sderaadt * 1. Redistributions of source code must retain the above copyright
12df930be7Sderaadt * notice, this list of conditions and the following disclaimer.
13df930be7Sderaadt * 2. Redistributions in binary form must reproduce the above copyright
14df930be7Sderaadt * notice, this list of conditions and the following disclaimer in the
15df930be7Sderaadt * documentation and/or other materials provided with the distribution.
167a09557bSmillert * 3. Neither the name of the University nor the names of its contributors
17df930be7Sderaadt * may be used to endorse or promote products derived from this software
18df930be7Sderaadt * without specific prior written permission.
19df930be7Sderaadt *
20df930be7Sderaadt * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21df930be7Sderaadt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22df930be7Sderaadt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23df930be7Sderaadt * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24df930be7Sderaadt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25df930be7Sderaadt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26df930be7Sderaadt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27df930be7Sderaadt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28df930be7Sderaadt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29df930be7Sderaadt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30df930be7Sderaadt * SUCH DAMAGE.
31df930be7Sderaadt */
32df930be7Sderaadt
331ed0e75dSpjanzen #include <stdio.h>
3448b4d137Smestre
351ed0e75dSpjanzen #include "getpar.h"
3648b4d137Smestre #include "trek.h"
37df930be7Sderaadt
38df930be7Sderaadt /*
39df930be7Sderaadt ** VISUAL SCAN
40df930be7Sderaadt **
41df930be7Sderaadt ** A visual scan is made in a particular direction of three sectors
42df930be7Sderaadt ** in the general direction specified. This takes time, and
43df930be7Sderaadt ** Klingons can attack you, so it should be done only when sensors
44df930be7Sderaadt ** are out.
45df930be7Sderaadt */
46df930be7Sderaadt
47df930be7Sderaadt /* This struct[] has the delta x, delta y for particular directions */
48df930be7Sderaadt struct xy Visdelta[11] =
49df930be7Sderaadt {
501ed0e75dSpjanzen { -1, -1 },
511ed0e75dSpjanzen { -1, 0 },
521ed0e75dSpjanzen { -1, 1 },
531ed0e75dSpjanzen { 0, 1 },
541ed0e75dSpjanzen { 1, 1 },
551ed0e75dSpjanzen { 1, 0 },
561ed0e75dSpjanzen { 1, -1 },
571ed0e75dSpjanzen { 0, -1 },
581ed0e75dSpjanzen { -1, -1 },
591ed0e75dSpjanzen { -1, 0 },
601ed0e75dSpjanzen { -1, 1 }
61df930be7Sderaadt };
62df930be7Sderaadt
631ed0e75dSpjanzen void
visual(int z)64*11da2480Smestre visual(int z)
65df930be7Sderaadt {
6697419aa0Spjanzen int ix, iy, co;
6797419aa0Spjanzen struct xy *v;
68df930be7Sderaadt
69df930be7Sderaadt co = getintpar("direction");
70df930be7Sderaadt if (co < 0 || co > 360)
71df930be7Sderaadt return;
72df930be7Sderaadt co = (co + 22) / 45;
73df930be7Sderaadt v = &Visdelta[co];
74df930be7Sderaadt ix = Ship.sectx + v->x;
75df930be7Sderaadt iy = Ship.secty + v->y;
76df930be7Sderaadt if (ix < 0 || ix >= NSECTS || iy < 0 || iy >= NSECTS)
77df930be7Sderaadt co = '?';
78df930be7Sderaadt else
79df930be7Sderaadt co = Sect[ix][iy];
80df930be7Sderaadt printf("%d,%d %c ", ix, iy, co);
81df930be7Sderaadt v++;
82df930be7Sderaadt ix = Ship.sectx + v->x;
83df930be7Sderaadt iy = Ship.secty + v->y;
84df930be7Sderaadt if (ix < 0 || ix >= NSECTS || iy < 0 || iy >= NSECTS)
85df930be7Sderaadt co = '?';
86df930be7Sderaadt else
87df930be7Sderaadt co = Sect[ix][iy];
88df930be7Sderaadt printf("%c ", co);
89df930be7Sderaadt v++;
90df930be7Sderaadt ix = Ship.sectx + v->x;
91df930be7Sderaadt iy = Ship.secty + v->y;
92df930be7Sderaadt if (ix < 0 || ix >= NSECTS || iy < 0 || iy >= NSECTS)
93df930be7Sderaadt co = '?';
94df930be7Sderaadt else
95df930be7Sderaadt co = Sect[ix][iy];
96df930be7Sderaadt printf("%c %d,%d\n", co, ix, iy);
97df930be7Sderaadt Move.time = 0.05;
98df930be7Sderaadt Move.free = 0;
99df930be7Sderaadt }
100