1/* $NetBSD: visual.c,v 1.9 2009/05/24 21:44:56 dholland Exp $ */ 2 3/* 4 * Copyright (c) 1980, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32#include <sys/cdefs.h> 33#ifndef lint 34#if 0 35static char sccsid[] = "@(#)visual.c 8.1 (Berkeley) 5/31/93"; 36#else 37__RCSID("$NetBSD: visual.c,v 1.9 2009/05/24 21:44:56 dholland Exp $"); 38#endif 39#endif /* not lint */ 40 41#include <stdio.h> 42#include "trek.h" 43#include "getpar.h" 44 45/* 46** VISUAL SCAN 47** 48** A visual scan is made in a particular direction of three sectors 49** in the general direction specified. This takes time, and 50** Klingons can attack you, so it should be done only when sensors 51** are out. 52*/ 53 54/* This struct[] has the delta x, delta y for particular directions */ 55static struct xy Visdelta[11] = { 56 { -1, -1 }, 57 { -1, 0 }, 58 { -1, 1 }, 59 { 0, 1 }, 60 { 1, 1 }, 61 { 1, 0 }, 62 { 1, -1 }, 63 { 0, -1 }, 64 { -1, -1 }, 65 { -1, 0 }, 66 { -1, 1 } 67}; 68 69/*ARGSUSED*/ 70void 71visual(int z __unused) 72{ 73 int ix, iy; 74 int co; 75 struct xy *v; 76 77 co = getintpar("direction"); 78 if (co < 0 || co > 360) 79 return; 80 co = (co + 22) / 45; 81 v = &Visdelta[co]; 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("%d,%d %c ", ix, iy, 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 ", co); 97 v++; 98 ix = Ship.sectx + v->x; 99 iy = Ship.secty + v->y; 100 if (ix < 0 || ix >= NSECTS || iy < 0 || iy >= NSECTS) 101 co = '?'; 102 else 103 co = Sect[ix][iy]; 104 printf("%c %d,%d\n", co, ix, iy); 105 Move.time = 0.05; 106 Move.free = 0; 107} 108