1 /* $OpenBSD: initquad.c,v 1.7 2016/01/07 14:37:51 mestre Exp $ */
2 /* $NetBSD: initquad.c,v 1.3 1995/04/22 10:59:04 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
35 #include "trek.h"
36
37 /*
38 ** Paramize Quadrant Upon Entering
39 **
40 ** A quadrant is initialized from the information held in the
41 ** Quad matrix. Basically, everything is just initialized
42 ** randomly, except for the starship, which goes into a fixed
43 ** sector.
44 **
45 ** If there are Klingons in the quadrant, the captain is informed
46 ** that the condition is RED, and he is given a chance to put
47 ** his shields up if the computer is working.
48 **
49 ** The flag `f' is set to disable the check for condition red.
50 ** This mode is used in situations where you know you are going
51 ** to be docked, i.e., abandon() and help().
52 */
53
54 void
initquad(int f)55 initquad(int f)
56 {
57 int i, j;
58 int rx, ry;
59 int nbases, nstars;
60 struct quad *q;
61 int nholes;
62
63 q = &Quad[Ship.quadx][Ship.quady];
64
65 /* ignored supernova'ed quadrants (this is checked again later anyway */
66 if (q->stars < 0)
67 return;
68 Etc.nkling = q->klings;
69 nbases = q->bases;
70 nstars = q->stars;
71 nholes = q->holes;
72
73 /* have we blundered into a battle zone w/ shields down? */
74 if (Etc.nkling > 0 && !f)
75 {
76 printf("Condition RED\n");
77 Ship.cond = RED;
78 if (!damaged(COMPUTER))
79 shield(1);
80 }
81
82 /* clear out the quadrant */
83 for (i = 0; i < NSECTS; i++)
84 for (j = 0; j < NSECTS; j++)
85 Sect[i][j] = EMPTY;
86
87 /* initialize Enterprise */
88 Sect[Ship.sectx][Ship.secty] = Ship.ship;
89
90 /* initialize Klingons */
91 for (i = 0; i < Etc.nkling; i++)
92 {
93 sector(&rx, &ry);
94 Sect[rx][ry] = KLINGON;
95 Etc.klingon[i].x = rx;
96 Etc.klingon[i].y = ry;
97 Etc.klingon[i].power = Param.klingpwr;
98 Etc.klingon[i].srndreq = 0;
99 }
100 compkldist(1);
101
102 /* initialize star base */
103 if (nbases > 0)
104 {
105 sector(&rx, &ry);
106 Sect[rx][ry] = BASE;
107 Etc.starbase.x = rx;
108 Etc.starbase.y = ry;
109 }
110
111 /* initialize inhabited starsystem */
112 if (q->qsystemname != 0)
113 {
114 sector(&rx, &ry);
115 Sect[rx][ry] = INHABIT;
116 nstars -= 1;
117 }
118
119 /* initialize black holes */
120 for (i = 0; i < nholes; i++)
121 {
122 sector(&rx, &ry);
123 Sect[rx][ry] = HOLE;
124 }
125
126 /* initialize stars */
127 for (i = 0; i < nstars; i++)
128 {
129 sector(&rx, &ry);
130 Sect[rx][ry] = STAR;
131 }
132 Move.newquad = 1;
133 }
134
135 void
sector(int * x,int * y)136 sector(int *x, int *y)
137 {
138 int i, j;
139
140 do
141 {
142 i = ranf(NSECTS);
143 j = ranf(NSECTS);
144 } while (Sect[i][j] != EMPTY);
145 *x = i;
146 *y = j;
147 }
148