1 /* $NetBSD: visual.c,v 1.7 2007/12/15 19:44:45 perry 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 35 static char sccsid[] = "@(#)visual.c 8.1 (Berkeley) 5/31/93"; 36 #else 37 __RCSID("$NetBSD: visual.c,v 1.7 2007/12/15 19:44:45 perry 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 */ 55 struct xy Visdelta[11] = 56 { 57 { -1, -1 }, 58 { -1, 0 }, 59 { -1, 1 }, 60 { 0, 1 }, 61 { 1, 1 }, 62 { 1, 0 }, 63 { 1, -1 }, 64 { 0, -1 }, 65 { -1, -1 }, 66 { -1, 0 }, 67 { -1, 1 } 68 }; 69 70 /*ARGSUSED*/ 71 void 72 visual(z) 73 int z __unused; 74 { 75 int ix, iy; 76 int co; 77 struct xy *v; 78 79 co = getintpar("direction"); 80 if (co < 0 || co > 360) 81 return; 82 co = (co + 22) / 45; 83 v = &Visdelta[co]; 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("%d,%d %c ", ix, iy, 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 ", co); 99 v++; 100 ix = Ship.sectx + v->x; 101 iy = Ship.secty + v->y; 102 if (ix < 0 || ix >= NSECTS || iy < 0 || iy >= NSECTS) 103 co = '?'; 104 else 105 co = Sect[ix][iy]; 106 printf("%c %d,%d\n", co, ix, iy); 107 Move.time = 0.05; 108 Move.free = 0; 109 } 110