root/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 */
}