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lrscan.c revision 1.2 
      1 /*
      2  * Copyright (c) 1980 Regents of the University of California.
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *	This product includes software developed by the University of
     16  *	California, Berkeley and its contributors.
     17  * 4. Neither the name of the University nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  */
     33 
     34 #ifndef lint
     35 /*static char sccsid[] = "from: @(#)lrscan.c	5.4 (Berkeley) 6/1/90";*/
     36 static char rcsid[] = "$Id: lrscan.c,v 1.2 1993/08/01 18:50:19 mycroft Exp $";
     37 #endif /* not lint */
     38 
     39 # include	"trek.h"
     40 
     41 /*
     42 **  LONG RANGE OF SCANNERS
     43 **
     44 **	A summary of the quadrants that surround you is printed.  The
     45 **	hundreds digit is the number of Klingons in the quadrant,
     46 **	the tens digit is the number of starbases, and the units digit
     47 **	is the number of stars.  If the printout is "///" it means
     48 **	that that quadrant is rendered uninhabitable by a supernova.
     49 **	It also updates the "scanned" field of the quadrants it scans,
     50 **	for future use by the "chart" option of the computer.
     51 */
     52 
     53 lrscan()
     54 {
     55 	register int			i, j;
     56 	register struct quad		*q;
     57 
     58 	if (check_out(LRSCAN))
     59 	{
     60 		return;
     61 	}
     62 	printf("Long range scan for quadrant %d,%d\n\n", Ship.quadx, Ship.quady);
     63 
     64 	/* print the header on top */
     65 	for (j = Ship.quady - 1; j <= Ship.quady + 1; j++)
     66 	{
     67 		if (j < 0 || j >= NQUADS)
     68 			printf("      ");
     69 		else
     70 			printf("     %1d", j);
     71 	}
     72 
     73 	/* scan the quadrants */
     74 	for (i = Ship.quadx - 1; i <= Ship.quadx + 1; i++)
     75 	{
     76 		printf("\n  -------------------\n");
     77 		if (i < 0 || i >= NQUADS)
     78 		{
     79 			/* negative energy barrier */
     80 			printf("  !  *  !  *  !  *  !");
     81 			continue;
     82 		}
     83 
     84 		/* print the left hand margin */
     85 		printf("%1d !", i);
     86 		for (j = Ship.quady - 1; j <= Ship.quady + 1; j++)
     87 		{
     88 			if (j < 0 || j >= NQUADS)
     89 			{
     90 				/* negative energy barrier again */
     91 				printf("  *  !");
     92 				continue;
     93 			}
     94 			q = &Quad[i][j];
     95 			if (q->stars < 0)
     96 			{
     97 				/* supernova */
     98 				printf(" /// !");
     99 				q->scanned = 1000;
    100 				continue;
    101 			}
    102 			q->scanned = q->klings * 100 + q->bases * 10 + q->stars;
    103 			printf(" %3d !", q->scanned);
    104 		}
    105 	}
    106 	printf("\n  -------------------\n");
    107 	return;
    108 }
    109