xref: /src/games/adventure/init.c

/*	$NetBSD: init.c,v 1.22 2021/05/02 12:50:43 rillig Exp $	*/

/*-
 * Copyright (c) 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * The game adventure was originally written in Fortran by Will Crowther
 * and Don Woods.  It was later translated to C and enhanced by Jim
 * Gillogly.  This code is derived from software contributed to Berkeley
 * by Jim Gillogly at The Rand Corporation.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#)init.c	8.1 (Berkeley) 6/2/93";
#else
__RCSID("$NetBSD: init.c,v 1.22 2021/05/02 12:50:43 rillig Exp $");
#endif
#endif /* not lint */

/*      Re-coding of advent in C: data initialization */

#include <sys/types.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>

#include "hdr.h"
#include "extern.h"

static void linkdata(void);

int     blklin = TRUE;

int     setbit[16] = {1, 2, 4, 010, 020, 040, 0100, 0200, 0400, 01000, 02000,
		      04000, 010000, 020000, 040000, 0100000};

volatile sig_atomic_t delhit;
int     yea;

int     loc, newloc, oldloc, oldloc2, wasdark, gaveup, kq, k, k2;
char   *wd1, *wd2;		/* the complete words */
int     verb, obj, spk;
int     saveday, savet, maxscore, latency;

struct hashtab voc[HTSIZE];

struct text rtext[RTXSIZE];	/* random text messages */

struct text mtext[MAGSIZE];	/* magic messages */

int     classes;

struct text ctext[CLSMAX];	/* classes of adventurer */
int     cval[CLSMAX];

struct text ptext[101];		/* object descriptions */

struct text ltext[LOCSIZE];	/* long loc description */
struct text stext[LOCSIZE];	/* short loc descriptions */

struct travlist *travel[LOCSIZE], *tkk;	/* travel is closer to keys(...) */

int     atloc[LOCSIZE];

int     plac[101];		/* initial object placement */
int     fixd[101], fixed[101];	/* location fixed? */

int     actspeak[35];		/* rtext msg for verb <n> */

int     cond[LOCSIZE];		/* various condition bits */

int     hintmax;
int     hints[20][5];		/* info on hints */
int     hinted[20], hintlc[20];

int     place[101], prop[101], links[201];
int     abb[LOCSIZE];

int     maxtrs, tally, tally2;	/* treasure values */

int     keys, lamp, grate, cage, rod, rod2, steps,	/* mnemonics */
        bird, door, pillow, snake, fissure, tablet, clam, oyster,
        magazine, dwarf, knife, food, bottle, water, oil, plant, plant2,
        axe, mirror, dragon, chasm, troll, troll2, bear, message,
        vend, batter, nugget, coins, chest, eggs, trident, vase,
        emerald, pyramid, pearl, rug, chain, spices, back, look, cave,
        null, entrance, depression, say, lock, throw,
        find, invent;

static int enter, /*stream,*/ pour;

int     chloc, chloc2, dseen[7], dloc[7],	/* dwarf stuff */
        odloc[7], dflag, daltloc;

int     tk[21], stick, dtotal, attack;
int     turns, lmwarn, iwest, knfloc, detail,	/* various flags and
						 * counters */
        abbnum, maxdie, numdie, holding, dkill, foobar, bonus, clock1,
        clock2, saved, isclosing, panic, closed, scoring;

int     demo, limit;

/* everything for 1st time run */
void
init(void)
{
	rdata();		/* read data from orig. file */
	linkdata();
	poof();
}

__noinline char *
decr(int a, int b, int c, int d, int e)
{
	static char buf[6];

	buf[0] = a - '+';
	buf[1] = b - '-';
	buf[2] = c - '#';
	buf[3] = d - '&';
	buf[4] = e - '%';
	buf[5] = 0;
	return buf;
}

static void
linkdata(void)
{				/* secondary data manipulation */
	int     i, j;

	/* array linkages */
	for (i = 1; i < LOCSIZE; i++)
		if (ltext[i].seekadr != 0 && travel[i] != 0)
			if ((travel[i]->tverb) == 1)
				cond[i] = 2;
	for (j = 100; j > 0; j--)
		if (fixd[j] > 0) {
			drop(j + 100, fixd[j]);
			drop(j, plac[j]);
		}
	for (j = 100; j > 0; j--) {
		fixed[j] = fixd[j];
		if (plac[j] != 0 && fixd[j] <= 0)
			drop(j, plac[j]);
	}

	maxtrs = 79;
	tally = 0;
	tally2 = 0;

	for (i = 50; i <= maxtrs; i++) {
		if (ptext[i].seekadr != 0)
			prop[i] = -1;
		tally -= prop[i];
	}

	/* define mnemonics */
	keys = vocab(DECR('k', 'e', 'y', 's', '\0'), 1, 0);
	lamp = vocab(DECR('l', 'a', 'm', 'p', '\0'), 1, 0);
	grate = vocab(DECR('g', 'r', 'a', 't', 'e'), 1, 0);
	cage = vocab(DECR('c', 'a', 'g', 'e', '\0'), 1, 0);
	rod = vocab(DECR('r', 'o', 'd', '\0', '\0'), 1, 0);
	rod2 = rod + 1;
	steps = vocab(DECR('s', 't', 'e', 'p', 's'), 1, 0);
	bird = vocab(DECR('b', 'i', 'r', 'd', '\0'), 1, 0);
	door = vocab(DECR('d', 'o', 'o', 'r', '\0'), 1, 0);
	pillow = vocab(DECR('p', 'i', 'l', 'l', 'o'), 1, 0);
	snake = vocab(DECR('s', 'n', 'a', 'k', 'e'), 1, 0);
	fissure = vocab(DECR('f', 'i', 's', 's', 'u'), 1, 0);
	tablet = vocab(DECR('t', 'a', 'b', 'l', 'e'), 1, 0);
	clam = vocab(DECR('c', 'l', 'a', 'm', '\0'), 1, 0);
	oyster = vocab(DECR('o', 'y', 's', 't', 'e'), 1, 0);
	magazine = vocab(DECR('m', 'a', 'g', 'a', 'z'), 1, 0);
	dwarf = vocab(DECR('d', 'w', 'a', 'r', 'f'), 1, 0);
	knife = vocab(DECR('k', 'n', 'i', 'f', 'e'), 1, 0);
	food = vocab(DECR('f', 'o', 'o', 'd', '\0'), 1, 0);
	bottle = vocab(DECR('b', 'o', 't', 't', 'l'), 1, 0);
	water = vocab(DECR('w', 'a', 't', 'e', 'r'), 1, 0);
	oil = vocab(DECR('o', 'i', 'l', '\0', '\0'), 1, 0);
	plant = vocab(DECR('p', 'l', 'a', 'n', 't'), 1, 0);
	plant2 = plant + 1;
	axe = vocab(DECR('a', 'x', 'e', '\0', '\0'), 1, 0);
	mirror = vocab(DECR('m', 'i', 'r', 'r', 'o'), 1, 0);
	dragon = vocab(DECR('d', 'r', 'a', 'g', 'o'), 1, 0);
	chasm = vocab(DECR('c', 'h', 'a', 's', 'm'), 1, 0);
	troll = vocab(DECR('t', 'r', 'o', 'l', 'l'), 1, 0);
	troll2 = troll + 1;
	bear = vocab(DECR('b', 'e', 'a', 'r', '\0'), 1, 0);
	message = vocab(DECR('m', 'e', 's', 's', 'a'), 1, 0);
	vend = vocab(DECR('v', 'e', 'n', 'd', 'i'), 1, 0);
	batter = vocab(DECR('b', 'a', 't', 't', 'e'), 1, 0);

	nugget = vocab(DECR('g', 'o', 'l', 'd', '\0'), 1, 0);
	coins = vocab(DECR('c', 'o', 'i', 'n', 's'), 1, 0);
	chest = vocab(DECR('c', 'h', 'e', 's', 't'), 1, 0);
	eggs = vocab(DECR('e', 'g', 'g', 's', '\0'), 1, 0);
	trident = vocab(DECR('t', 'r', 'i', 'd', 'e'), 1, 0);
	vase = vocab(DECR('v', 'a', 's', 'e', '\0'), 1, 0);
	emerald = vocab(DECR('e', 'm', 'e', 'r', 'a'), 1, 0);
	pyramid = vocab(DECR('p', 'y', 'r', 'a', 'm'), 1, 0);
	pearl = vocab(DECR('p', 'e', 'a', 'r', 'l'), 1, 0);
	rug = vocab(DECR('r', 'u', 'g', '\0', '\0'), 1, 0);
	chain = vocab(DECR('c', 'h', 'a', 'i', 'n'), 1, 0);

	back = vocab(DECR('b', 'a', 'c', 'k', '\0'), 0, 0);
	look = vocab(DECR('l', 'o', 'o', 'k', '\0'), 0, 0);
	cave = vocab(DECR('c', 'a', 'v', 'e', '\0'), 0, 0);
	null = vocab(DECR('n', 'u', 'l', 'l', '\0'), 0, 0);
	entrance = vocab(DECR('e', 'n', 't', 'r', 'a'), 0, 0);
	depression = vocab(DECR('d', 'e', 'p', 'r', 'e'), 0, 0);
	enter = vocab(DECR('e', 'n', 't', 'e', 'r'), 0, 0);

	pour = vocab(DECR('p', 'o', 'u', 'r', '\0'), 2, 0);
	say = vocab(DECR('s', 'a', 'y', '\0', '\0'), 2, 0);
	lock = vocab(DECR('l', 'o', 'c', 'k', '\0'), 2, 0);
	throw = vocab(DECR('t', 'h', 'r', 'o', 'w'), 2, 0);
	find = vocab(DECR('f', 'i', 'n', 'd', '\0'), 2, 0);
	invent = vocab(DECR('i', 'n', 'v', 'e', 'n'), 2, 0);

	/* initialize dwarves */
	chloc = 114;
	chloc2 = 140;
	for (i = 1; i <= 6; i++)
		dseen[i] = FALSE;
	dflag = 0;
	dloc[1] = 19;
	dloc[2] = 27;
	dloc[3] = 33;
	dloc[4] = 44;
	dloc[5] = 64;
	dloc[6] = chloc;
	daltloc = 18;

	/* random flags & ctrs */
	turns = 0;
	lmwarn = FALSE;
	iwest = 0;
	knfloc = 0;
	detail = 0;
	abbnum = 5;
	for (i = 0; i <= 4; i++)
		if (rtext[2 * i + 81].seekadr != 0)
			maxdie = i + 1;
	numdie = holding = dkill = foobar = bonus = 0;
	clock1 = 30;
	clock2 = 50;
	saved = 0;
	isclosing = panic = closed = scoring = FALSE;
}

/* come here if he hits a del */
void
trapdel(int n __unused)
{
	delhit = 1;		/* main checks, treats as QUIT */
	signal(SIGINT, trapdel);/* catch subsequent DELs */
}


void
startup(void)
{
	demo = Start();
	srand((int)time(NULL));	/* random seed */
#if 0
	srand(371);		/* non-random seed */
#endif
	hinted[3] = yes(65, 1, 0);
	newloc = 1;
	delhit = 0;
	limit = 330;
	if (hinted[3])
		limit = 1000;	/* better batteries if instrucs */
}