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lrscan.c revision 1.6 
      1 /*	$NetBSD: lrscan.c,v 1.6 2003/08/07 09:37:52 agc 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[] = "@(#)lrscan.c	8.1 (Berkeley) 5/31/93";
     36 #else
     37 __RCSID("$NetBSD: lrscan.c,v 1.6 2003/08/07 09:37:52 agc Exp $");
     38 #endif
     39 #endif /* not lint */
     40 
     41 #include <stdio.h>
     42 #include "trek.h"
     43 
     44 /*
     45 **  LONG RANGE OF SCANNERS
     46 **
     47 **	A summary of the quadrants that surround you is printed.  The
     48 **	hundreds digit is the number of Klingons in the quadrant,
     49 **	the tens digit is the number of starbases, and the units digit
     50 **	is the number of stars.  If the printout is "///" it means
     51 **	that that quadrant is rendered uninhabitable by a supernova.
     52 **	It also updates the "scanned" field of the quadrants it scans,
     53 **	for future use by the "chart" option of the computer.
     54 */
     55 
     56 /*ARGSUSED*/
     57 void
     58 lrscan(v)
     59 	int v __attribute__((__unused__));
     60 {
     61 	int		i, j;
     62 	struct quad	*q;
     63 
     64 	if (check_out(LRSCAN))
     65 	{
     66 		return;
     67 	}
     68 	printf("Long range scan for quadrant %d,%d\n\n", Ship.quadx, Ship.quady);
     69 
     70 	/* print the header on top */
     71 	for (j = Ship.quady - 1; j <= Ship.quady + 1; j++)
     72 	{
     73 		if (j < 0 || j >= NQUADS)
     74 			printf("      ");
     75 		else
     76 			printf("     %1d", j);
     77 	}
     78 
     79 	/* scan the quadrants */
     80 	for (i = Ship.quadx - 1; i <= Ship.quadx + 1; i++)
     81 	{
     82 		printf("\n  -------------------\n");
     83 		if (i < 0 || i >= NQUADS)
     84 		{
     85 			/* negative energy barrier */
     86 			printf("  !  *  !  *  !  *  !");
     87 			continue;
     88 		}
     89 
     90 		/* print the left hand margin */
     91 		printf("%1d !", i);
     92 		for (j = Ship.quady - 1; j <= Ship.quady + 1; j++)
     93 		{
     94 			if (j < 0 || j >= NQUADS)
     95 			{
     96 				/* negative energy barrier again */
     97 				printf("  *  !");
     98 				continue;
     99 			}
    100 			q = &Quad[i][j];
    101 			if (q->stars < 0)
    102 			{
    103 				/* supernova */
    104 				printf(" /// !");
    105 				q->scanned = 1000;
    106 				continue;
    107 			}
    108 			q->scanned = q->klings * 100 + q->bases * 10 + q->stars;
    109 			printf(" %3d !", q->scanned);
    110 		}
    111 	}
    112 	printf("\n  -------------------\n");
    113 	return;
    114 }
    115