xref: /netbsd/games/trek/initquad.c (revision bf9ec67e)
1 /*	$NetBSD: initquad.c,v 1.4 1997/10/12 21:24:55 christos 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. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by the University of
18  *	California, Berkeley and its contributors.
19  * 4. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #include <sys/cdefs.h>
37 #ifndef lint
38 #if 0
39 static char sccsid[] = "@(#)initquad.c	8.1 (Berkeley) 5/31/93";
40 #else
41 __RCSID("$NetBSD: initquad.c,v 1.4 1997/10/12 21:24:55 christos Exp $");
42 #endif
43 #endif /* not lint */
44 
45 #include <stdio.h>
46 #include "trek.h"
47 
48 /*
49 **  Paramize Quadrant Upon Entering
50 **
51 **	A quadrant is initialized from the information held in the
52 **	Quad matrix.  Basically, everything is just initialized
53 **	randomly, except for the starship, which goes into a fixed
54 **	sector.
55 **
56 **	If there are Klingons in the quadrant, the captain is informed
57 **	that the condition is RED, and he is given a chance to put
58 **	his shields up if the computer is working.
59 **
60 **	The flag `f' is set to disable the check for condition red.
61 **	This mode is used in situations where you know you are going
62 **	to be docked, i.e., abandon() and help().
63 */
64 
65 void
66 initquad(f)
67 int	f;
68 {
69 	int		i, j;
70 	int		rx, ry;
71 	int		nbases, nstars;
72 	struct quad	*q;
73 	int		nholes;
74 
75 	q = &Quad[Ship.quadx][Ship.quady];
76 
77 	/* ignored supernova'ed quadrants (this is checked again later anyway */
78 	if (q->stars < 0)
79 		return;
80 	Etc.nkling = q->klings;
81 	nbases = q->bases;
82 	nstars = q->stars;
83 	nholes = q->holes;
84 
85 	/* have we blundered into a battle zone w/ shields down? */
86 	if (Etc.nkling > 0 && !f)
87 	{
88 		printf("Condition RED\n");
89 		Ship.cond = RED;
90 		if (!damaged(COMPUTER))
91 			shield(1);
92 	}
93 
94 	/* clear out the quadrant */
95 	for (i = 0; i < NSECTS; i++)
96 		for (j = 0; j < NSECTS; j++)
97 			Sect[i][j] = EMPTY;
98 
99 	/* initialize Enterprise */
100 	Sect[Ship.sectx][Ship.secty] = Ship.ship;
101 
102 	/* initialize Klingons */
103 	for (i = 0; i < Etc.nkling; i++)
104 	{
105 		sector(&rx, &ry);
106 		Sect[rx][ry] = KLINGON;
107 		Etc.klingon[i].x = rx;
108 		Etc.klingon[i].y = ry;
109 		Etc.klingon[i].power = Param.klingpwr;
110 		Etc.klingon[i].srndreq = 0;
111 	}
112 	compkldist(1);
113 
114 	/* initialize star base */
115 	if (nbases > 0)
116 	{
117 		sector(&rx, &ry);
118 		Sect[rx][ry] = BASE;
119 		Etc.starbase.x = rx;
120 		Etc.starbase.y = ry;
121 	}
122 
123 	/* initialize inhabited starsystem */
124 	if (q->qsystemname != 0)
125 	{
126 		sector(&rx, &ry);
127 		Sect[rx][ry] = INHABIT;
128 		nstars -= 1;
129 	}
130 
131 	/* initialize black holes */
132 	for (i = 0; i < nholes; i++)
133 	{
134 		sector(&rx, &ry);
135 		Sect[rx][ry] = HOLE;
136 	}
137 
138 	/* initialize stars */
139 	for (i = 0; i < nstars; i++)
140 	{
141 		sector(&rx, &ry);
142 		Sect[rx][ry] = STAR;
143 	}
144 	Move.newquad = 1;
145 }
146 
147 
148 void
149 sector(x, y)
150 int	*x, *y;
151 {
152 	int	i, j;
153 
154 	do
155 	{
156 		i = ranf(NSECTS);
157 		j = ranf(NSECTS);
158 	} while (Sect[i][j] != EMPTY);
159 	*x = i;
160 	*y = j;
161 	return;
162 }
163