xref: /dragonfly/games/trek/lrscan.c (revision 5dfd06ac)
1 /*
2  * Copyright (c) 1980, 1993
3  *	The Regents of the University of California.  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  * @(#)lrscan.c	8.1 (Berkeley) 5/31/93
34  * $FreeBSD: src/games/trek/lrscan.c,v 1.4 1999/11/30 03:49:50 billf Exp $
35  * $DragonFly: src/games/trek/lrscan.c,v 1.3 2006/09/07 21:19:44 pavalos Exp $
36  */
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 void
53 lrscan(__unused int unused)
54 {
55 	int			i, j;
56 	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