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initquad.c revision 1.4 
      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