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lrscan.c revision 1.1 
      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[] = "@(#)lrscan.c	5.4 (Berkeley) 6/1/90";
     36 #endif /* not lint */
     37 
     38 # include	"trek.h"
     39 
     40 /*
     41 **  LONG RANGE OF SCANNERS
     42 **
     43 **	A summary of the quadrants that surround you is printed.  The
     44 **	hundreds digit is the number of Klingons in the quadrant,
     45 **	the tens digit is the number of starbases, and the units digit
     46 **	is the number of stars.  If the printout is "///" it means
     47 **	that that quadrant is rendered uninhabitable by a supernova.
     48 **	It also updates the "scanned" field of the quadrants it scans,
     49 **	for future use by the "chart" option of the computer.
     50 */
     51 
     52 lrscan()
     53 {
     54 	register int			i, j;
     55 	register struct quad		*q;
     56 
     57 	if (check_out(LRSCAN))
     58 	{
     59 		return;
     60 	}
     61 	printf("Long range scan for quadrant %d,%d\n\n", Ship.quadx, Ship.quady);
     62 
     63 	/* print the header on top */
     64 	for (j = Ship.quady - 1; j <= Ship.quady + 1; j++)
     65 	{
     66 		if (j < 0 || j >= NQUADS)
     67 			printf("      ");
     68 		else
     69 			printf("     %1d", j);
     70 	}
     71 
     72 	/* scan the quadrants */
     73 	for (i = Ship.quadx - 1; i <= Ship.quadx + 1; i++)
     74 	{
     75 		printf("\n  -------------------\n");
     76 		if (i < 0 || i >= NQUADS)
     77 		{
     78 			/* negative energy barrier */
     79 			printf("  !  *  !  *  !  *  !");
     80 			continue;
     81 		}
     82 
     83 		/* print the left hand margin */
     84 		printf("%1d !", i);
     85 		for (j = Ship.quady - 1; j <= Ship.quady + 1; j++)
     86 		{
     87 			if (j < 0 || j >= NQUADS)
     88 			{
     89 				/* negative energy barrier again */
     90 				printf("  *  !");
     91 				continue;
     92 			}
     93 			q = &Quad[i][j];
     94 			if (q->stars < 0)
     95 			{
     96 				/* supernova */
     97 				printf(" /// !");
     98 				q->scanned = 1000;
     99 				continue;
    100 			}
    101 			q->scanned = q->klings * 100 + q->bases * 10 + q->stars;
    102 			printf(" %3d !", q->scanned);
    103 		}
    104 	}
    105 	printf("\n  -------------------\n");
    106 	return;
    107 }
    108