xref: /openbsd/games/trek/lrscan.c (revision cca36db2)
1 /*	$OpenBSD: lrscan.c,v 1.5 2009/10/27 23:59:27 deraadt Exp $	*/
2 /*	$NetBSD: lrscan.c,v 1.3 1995/04/22 10:59:09 cgd Exp $	*/
3 
4 /*
5  * Copyright (c) 1980, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. Neither the name of the University nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  */
32 
33 #include <stdio.h>
34 #include "trek.h"
35 
36 /*
37 **  LONG RANGE OF SCANNERS
38 **
39 **	A summary of the quadrants that surround you is printed.  The
40 **	hundreds digit is the number of Klingons in the quadrant,
41 **	the tens digit is the number of starbases, and the units digit
42 **	is the number of stars.  If the printout is "///" it means
43 **	that that quadrant is rendered uninhabitable by a supernova.
44 **	It also updates the "scanned" field of the quadrants it scans,
45 **	for future use by the "chart" option of the computer.
46 */
47 
48 void
49 lrscan(v)
50 	int v;
51 {
52 	int			i, j;
53 	struct quad		*q;
54 
55 	if (check_out(LRSCAN))
56 		return;
57 	printf("Long range scan for quadrant %d,%d\n\n", Ship.quadx, Ship.quady);
58 
59 	/* print the header on top */
60 	for (j = Ship.quady - 1; j <= Ship.quady + 1; j++)
61 	{
62 		if (j < 0 || j >= NQUADS)
63 			printf("      ");
64 		else
65 			printf("     %1d", j);
66 	}
67 
68 	/* scan the quadrants */
69 	for (i = Ship.quadx - 1; i <= Ship.quadx + 1; i++)
70 	{
71 		printf("\n  -------------------\n");
72 		if (i < 0 || i >= NQUADS)
73 		{
74 			/* negative energy barrier */
75 			printf("  !  *  !  *  !  *  !");
76 			continue;
77 		}
78 
79 		/* print the left hand margin */
80 		printf("%1d !", i);
81 		for (j = Ship.quady - 1; j <= Ship.quady + 1; j++)
82 		{
83 			if (j < 0 || j >= NQUADS)
84 			{
85 				/* negative energy barrier again */
86 				printf("  *  !");
87 				continue;
88 			}
89 			q = &Quad[i][j];
90 			if (q->stars < 0)
91 			{
92 				/* supernova */
93 				printf(" /// !");
94 				q->scanned = 1000;
95 				continue;
96 			}
97 			q->scanned = q->klings * 100 + q->bases * 10 + q->stars;
98 			printf(" %3d !", q->scanned);
99 		}
100 	}
101 	printf("\n  -------------------\n");
102 }
103