1 /* $NetBSD: visual.c,v 1.5 1999/09/08 21:45:33 jsm 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)visual.c 8.1 (Berkeley) 5/31/93"; 40 #else 41 __RCSID("$NetBSD: visual.c,v 1.5 1999/09/08 21:45:33 jsm Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include <stdio.h> 46 #include "trek.h" 47 #include "getpar.h" 48 49 /* 50 ** VISUAL SCAN 51 ** 52 ** A visual scan is made in a particular direction of three sectors 53 ** in the general direction specified. This takes time, and 54 ** Klingons can attack you, so it should be done only when sensors 55 ** are out. 56 */ 57 58 /* This struct[] has the delta x, delta y for particular directions */ 59 struct xy Visdelta[11] = 60 { 61 { -1, -1 }, 62 { -1, 0 }, 63 { -1, 1 }, 64 { 0, 1 }, 65 { 1, 1 }, 66 { 1, 0 }, 67 { 1, -1 }, 68 { 0, -1 }, 69 { -1, -1 }, 70 { -1, 0 }, 71 { -1, 1 } 72 }; 73 74 /*ARGSUSED*/ 75 void 76 visual(z) 77 int z __attribute__((__unused__)); 78 { 79 int ix, iy; 80 int co; 81 struct xy *v; 82 83 co = getintpar("direction"); 84 if (co < 0 || co > 360) 85 return; 86 co = (co + 22) / 45; 87 v = &Visdelta[co]; 88 ix = Ship.sectx + v->x; 89 iy = Ship.secty + v->y; 90 if (ix < 0 || ix >= NSECTS || iy < 0 || iy >= NSECTS) 91 co = '?'; 92 else 93 co = Sect[ix][iy]; 94 printf("%d,%d %c ", ix, iy, co); 95 v++; 96 ix = Ship.sectx + v->x; 97 iy = Ship.secty + v->y; 98 if (ix < 0 || ix >= NSECTS || iy < 0 || iy >= NSECTS) 99 co = '?'; 100 else 101 co = Sect[ix][iy]; 102 printf("%c ", co); 103 v++; 104 ix = Ship.sectx + v->x; 105 iy = Ship.secty + v->y; 106 if (ix < 0 || ix >= NSECTS || iy < 0 || iy >= NSECTS) 107 co = '?'; 108 else 109 co = Sect[ix][iy]; 110 printf("%c %d,%d\n", co, ix, iy); 111 Move.time = 0.05; 112 Move.free = 0; 113 } 114