705 lines
15 KiB
C
705 lines
15 KiB
C
/* $NetBSD: hack.zap.c,v 1.4 1997/10/19 16:59:34 christos Exp $ */
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/*
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* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: hack.zap.c,v 1.4 1997/10/19 16:59:34 christos Exp $");
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#endif /* not lint */
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#include "hack.h"
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#include "extern.h"
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char *fl[] = {
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"magic missile",
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"bolt of fire",
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"sleep ray",
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"bolt of cold",
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"death ray"
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};
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/* Routines for IMMEDIATE wands. */
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/* bhitm: monster mtmp was hit by the effect of wand otmp */
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void
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bhitm(mtmp, otmp)
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struct monst *mtmp;
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struct obj *otmp;
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{
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wakeup(mtmp);
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switch (otmp->otyp) {
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case WAN_STRIKING:
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if (u.uswallow || rnd(20) < 10 + mtmp->data->ac) {
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int tmp = d(2, 12);
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hit("wand", mtmp, exclam(tmp));
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mtmp->mhp -= tmp;
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if (mtmp->mhp < 1)
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killed(mtmp);
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} else
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miss("wand", mtmp);
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break;
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case WAN_SLOW_MONSTER:
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mtmp->mspeed = MSLOW;
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break;
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case WAN_SPEED_MONSTER:
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mtmp->mspeed = MFAST;
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break;
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case WAN_UNDEAD_TURNING:
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if (strchr(UNDEAD, mtmp->data->mlet)) {
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mtmp->mhp -= rnd(8);
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if (mtmp->mhp < 1)
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killed(mtmp);
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else
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mtmp->mflee = 1;
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}
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break;
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case WAN_POLYMORPH:
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if (newcham(mtmp, &mons[rn2(CMNUM)]))
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objects[otmp->otyp].oc_name_known = 1;
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break;
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case WAN_CANCELLATION:
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mtmp->mcan = 1;
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break;
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case WAN_TELEPORTATION:
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rloc(mtmp);
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break;
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case WAN_MAKE_INVISIBLE:
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mtmp->minvis = 1;
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break;
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#ifdef WAN_PROBING
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case WAN_PROBING:
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mstatusline(mtmp);
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break;
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#endif /* WAN_PROBING */
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default:
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impossible("What an interesting wand (%u)", otmp->otyp);
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}
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}
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int
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bhito(obj, otmp) /* object obj was hit by the effect of wand
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* otmp */
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struct obj *obj, *otmp; /* returns TRUE if sth was done */
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{
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int res = TRUE;
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if (obj == uball || obj == uchain)
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res = FALSE;
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else
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switch (otmp->otyp) {
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case WAN_POLYMORPH:
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/*
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* preserve symbol and quantity, but turn rocks into
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* gems
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*/
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mkobj_at((obj->otyp == ROCK || obj->otyp == ENORMOUS_ROCK)
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? GEM_SYM : obj->olet,
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obj->ox, obj->oy)->quan = obj->quan;
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delobj(obj);
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break;
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case WAN_STRIKING:
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if (obj->otyp == ENORMOUS_ROCK)
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fracture_rock(obj);
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else
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res = FALSE;
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break;
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case WAN_CANCELLATION:
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if (obj->spe && obj->olet != AMULET_SYM) {
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obj->known = 0;
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obj->spe = 0;
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}
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break;
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case WAN_TELEPORTATION:
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rloco(obj);
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break;
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case WAN_MAKE_INVISIBLE:
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obj->oinvis = 1;
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break;
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case WAN_UNDEAD_TURNING:
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res = revive(obj);
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break;
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case WAN_SLOW_MONSTER: /* no effect on objects */
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case WAN_SPEED_MONSTER:
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#ifdef WAN_PROBING
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case WAN_PROBING:
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#endif /* WAN_PROBING */
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res = FALSE;
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break;
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default:
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impossible("What an interesting wand (%u)", otmp->otyp);
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}
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return (res);
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}
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int
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dozap()
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{
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struct obj *obj;
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xchar zx, zy;
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obj = getobj("/", "zap");
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if (!obj)
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return (0);
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if (obj->spe < 0 || (obj->spe == 0 && rn2(121))) {
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pline("Nothing Happens.");
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return (1);
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}
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if (obj->spe == 0)
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pline("You wrest one more spell from the worn-out wand.");
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if (!(objects[obj->otyp].bits & NODIR) && !getdir(1))
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return (1); /* make him pay for knowing !NODIR */
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obj->spe--;
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if (objects[obj->otyp].bits & IMMEDIATE) {
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if (u.uswallow)
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bhitm(u.ustuck, obj);
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else if (u.dz) {
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if (u.dz > 0) {
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struct obj *otmp = o_at(u.ux, u.uy);
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if (otmp)
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(void) bhito(otmp, obj);
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}
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} else
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(void) bhit(u.dx, u.dy, rn1(8, 6), 0, bhitm, bhito, obj);
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} else {
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switch (obj->otyp) {
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case WAN_LIGHT:
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litroom(TRUE);
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break;
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case WAN_SECRET_DOOR_DETECTION:
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if (!findit())
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return (1);
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break;
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case WAN_CREATE_MONSTER:
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{
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int cnt = 1;
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if (!rn2(23))
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cnt += rn2(7) + 1;
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while (cnt--)
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(void) makemon((struct permonst *) 0, u.ux, u.uy);
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}
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break;
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case WAN_WISHING:
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{
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char buf[BUFSZ];
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struct obj *otmp;
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if (u.uluck + rn2(5) < 0) {
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pline("Unfortunately, nothing happens.");
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break;
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}
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pline("You may wish for an object. What do you want? ");
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getlin(buf);
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if (buf[0] == '\033')
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buf[0] = 0;
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otmp = readobjnam(buf);
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otmp = addinv(otmp);
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prinv(otmp);
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break;
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}
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case WAN_DIGGING:
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/*
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* Original effect (approximately): from CORR: dig
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* until we pierce a wall from ROOM: piece wall and
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* dig until we reach an ACCESSIBLE place. Currently:
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* dig for digdepth positions; also down on request
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* of Lennart Augustsson.
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*/
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{
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struct rm *room;
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int digdepth;
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if (u.uswallow) {
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struct monst *mtmp = u.ustuck;
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pline("You pierce %s's stomach wall!",
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monnam(mtmp));
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mtmp->mhp = 1; /* almost dead */
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unstuck(mtmp);
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mnexto(mtmp);
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break;
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}
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if (u.dz) {
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if (u.dz < 0) {
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pline("You loosen a rock from the ceiling.");
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pline("It falls on your head!");
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losehp(1, "falling rock");
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mksobj_at(ROCK, u.ux, u.uy);
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fobj->quan = 1;
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stackobj(fobj);
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if (Invisible)
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newsym(u.ux, u.uy);
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} else {
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dighole();
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}
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break;
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}
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zx = u.ux + u.dx;
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zy = u.uy + u.dy;
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digdepth = 8 + rn2(18);
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Tmp_at(-1, '*'); /* open call */
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while (--digdepth >= 0) {
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if (!isok(zx, zy))
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break;
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room = &levl[zx][zy];
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Tmp_at(zx, zy);
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if (!xdnstair) {
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if (zx < 3 || zx > COLNO - 3 ||
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zy < 3 || zy > ROWNO - 3)
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break;
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if (room->typ == HWALL ||
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room->typ == VWALL) {
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room->typ = ROOM;
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break;
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}
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} else if (room->typ == HWALL || room->typ == VWALL ||
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room->typ == SDOOR || room->typ == LDOOR) {
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room->typ = DOOR;
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digdepth -= 2;
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} else if (room->typ == SCORR || !room->typ) {
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room->typ = CORR;
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digdepth--;
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}
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mnewsym(zx, zy);
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zx += u.dx;
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zy += u.dy;
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}
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mnewsym(zx, zy); /* not always necessary */
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Tmp_at(-1, -1); /* closing call */
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break;
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}
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default:
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buzz((int) obj->otyp - WAN_MAGIC_MISSILE,
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u.ux, u.uy, u.dx, u.dy);
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break;
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}
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if (!objects[obj->otyp].oc_name_known) {
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objects[obj->otyp].oc_name_known = 1;
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more_experienced(0, 10);
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}
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}
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return (1);
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}
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char *
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exclam(force)
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int force;
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{
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/* force == 0 occurs e.g. with sleep ray */
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/*
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* note that large force is usual with wands so that !! would require
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* information about hand/weapon/wand
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*/
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return ((force < 0) ? "?" : (force <= 4) ? "." : "!");
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}
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void
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hit(str, mtmp, force)
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char *str;
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struct monst *mtmp;
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char *force; /* usually either "." or "!" */
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{
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if (!cansee(mtmp->mx, mtmp->my))
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pline("The %s hits it.", str);
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else
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pline("The %s hits %s%s", str, monnam(mtmp), force);
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}
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void
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miss(str, mtmp)
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char *str;
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struct monst *mtmp;
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{
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if (!cansee(mtmp->mx, mtmp->my))
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pline("The %s misses it.", str);
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else
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pline("The %s misses %s.", str, monnam(mtmp));
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}
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/*
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* bhit: called when a weapon is thrown (sym = obj->olet) or when an
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* IMMEDIATE wand is zapped (sym = 0); the weapon falls down at end of range
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* or when a monster is hit; the monster is returned, and bhitpos is set to
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* the final position of the weapon thrown; the ray of a wand may affect
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* several objects and monsters on its path - for each of these an argument
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* function is called.
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*/
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/* check !u.uswallow before calling bhit() */
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struct monst *
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bhit(ddx, ddy, range, sym, fhitm, fhito, obj)
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int ddx, ddy, range; /* direction and range */
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char sym; /* symbol displayed on path */
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/* fns called when mon/obj hit */
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void (*fhitm) __P((struct monst *, struct obj *));
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int (*fhito) __P((struct obj *, struct obj *));
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struct obj *obj; /* 2nd arg to fhitm/fhito */
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{
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struct monst *mtmp;
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struct obj *otmp;
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int typ;
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bhitpos.x = u.ux;
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bhitpos.y = u.uy;
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if (sym)
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tmp_at(-1, sym);/* open call */
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while (range-- > 0) {
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bhitpos.x += ddx;
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bhitpos.y += ddy;
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typ = levl[bhitpos.x][bhitpos.y].typ;
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if ((mtmp = m_at(bhitpos.x, bhitpos.y)) != NULL) {
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if (sym) {
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tmp_at(-1, -1); /* close call */
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return (mtmp);
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}
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(*fhitm) (mtmp, obj);
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range -= 3;
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}
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if (fhito && (otmp = o_at(bhitpos.x, bhitpos.y))) {
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if ((*fhito) (otmp, obj))
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range--;
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}
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if (!ZAP_POS(typ)) {
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bhitpos.x -= ddx;
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bhitpos.y -= ddy;
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break;
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}
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if (sym)
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tmp_at(bhitpos.x, bhitpos.y);
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}
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/* leave last symbol unless in a pool */
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if (sym)
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tmp_at(-1, (levl[bhitpos.x][bhitpos.y].typ == POOL) ? -1 : 0);
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return (0);
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}
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struct monst *
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boomhit(dx, dy)
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{
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int i, ct;
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struct monst *mtmp;
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char sym = ')';
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bhitpos.x = u.ux;
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bhitpos.y = u.uy;
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for (i = 0; i < 8; i++)
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if (xdir[i] == dx && ydir[i] == dy)
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break;
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tmp_at(-1, sym); /* open call */
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for (ct = 0; ct < 10; ct++) {
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if (i == 8)
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i = 0;
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sym = ')' + '(' - sym;
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tmp_at(-2, sym);/* change let call */
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dx = xdir[i];
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dy = ydir[i];
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bhitpos.x += dx;
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bhitpos.y += dy;
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if ((mtmp = m_at(bhitpos.x, bhitpos.y)) != NULL) {
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tmp_at(-1, -1);
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return (mtmp);
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}
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if (!ZAP_POS(levl[bhitpos.x][bhitpos.y].typ)) {
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bhitpos.x -= dx;
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bhitpos.y -= dy;
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break;
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}
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if (bhitpos.x == u.ux && bhitpos.y == u.uy) { /* ct == 9 */
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if (rn2(20) >= 10 + u.ulevel) { /* we hit ourselves */
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(void) thitu(10, rnd(10), "boomerang");
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break;
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} else {/* we catch it */
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tmp_at(-1, -1);
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pline("Skillfully, you catch the boomerang.");
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return (&youmonst);
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}
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}
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tmp_at(bhitpos.x, bhitpos.y);
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if (ct % 5 != 0)
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i++;
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}
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tmp_at(-1, -1); /* do not leave last symbol */
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return (0);
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}
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char
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dirlet(dx, dy)
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int dx, dy;
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{
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return
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(dx == dy) ? '\\' : (dx && dy) ? '/' : dx ? '-' : '|';
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}
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/* type == -1: monster spitting fire at you */
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/* type == -1,-2,-3: bolts sent out by wizard */
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/* called with dx = dy = 0 with vertical bolts */
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void
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buzz(type, sx, sy, dx, dy)
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int type;
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xchar sx, sy;
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int dx, dy;
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{
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int abstype = abs(type);
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char *fltxt = (type == -1) ? "blaze of fire" : fl[abstype];
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struct rm *lev;
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xchar range;
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struct monst *mon;
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if (u.uswallow) {
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int tmp;
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if (type < 0)
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return;
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tmp = zhit(u.ustuck, type);
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pline("The %s rips into %s%s",
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fltxt, monnam(u.ustuck), exclam(tmp));
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return;
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}
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if (type < 0)
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pru();
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range = rn1(7, 7);
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Tmp_at(-1, dirlet(dx, dy)); /* open call */
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while (range-- > 0) {
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sx += dx;
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sy += dy;
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if ((lev = &levl[sx][sy])->typ)
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Tmp_at(sx, sy);
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else {
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int bounce = 0;
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if (cansee(sx - dx, sy - dy))
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pline("The %s bounces!", fltxt);
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if (ZAP_POS(levl[sx][sy - dy].typ))
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bounce = 1;
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if (ZAP_POS(levl[sx - dx][sy].typ)) {
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if (!bounce || rn2(2))
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bounce = 2;
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}
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switch (bounce) {
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case 0:
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dx = -dx;
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dy = -dy;
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continue;
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case 1:
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dy = -dy;
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sx -= dx;
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break;
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case 2:
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dx = -dx;
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sy -= dy;
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break;
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}
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Tmp_at(-2, dirlet(dx, dy));
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continue;
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}
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if (lev->typ == POOL && abstype == 1 /* fire */ ) {
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range -= 3;
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lev->typ = ROOM;
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if (cansee(sx, sy)) {
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mnewsym(sx, sy);
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pline("The water evaporates.");
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} else
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pline("You hear a hissing sound.");
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}
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if ((mon = m_at(sx, sy)) &&
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(type != -1 || mon->data->mlet != 'D')) {
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wakeup(mon);
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if (rnd(20) < 18 + mon->data->ac) {
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int tmp = zhit(mon, abstype);
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if (mon->mhp < 1) {
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if (type < 0) {
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if (cansee(mon->mx, mon->my))
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pline("%s is killed by the %s!",
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Monnam(mon), fltxt);
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mondied(mon);
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} else
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killed(mon);
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} else
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hit(fltxt, mon, exclam(tmp));
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range -= 2;
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} else
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miss(fltxt, mon);
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} else if (sx == u.ux && sy == u.uy) {
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nomul(0);
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if (rnd(20) < 18 + u.uac) {
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int dam = 0;
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range -= 2;
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pline("The %s hits you!", fltxt);
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switch (abstype) {
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case 0:
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dam = d(2, 6);
|
|
break;
|
|
case 1:
|
|
if (Fire_resistance)
|
|
pline("You don't feel hot!");
|
|
else
|
|
dam = d(6, 6);
|
|
if (!rn2(3))
|
|
burn_scrolls();
|
|
break;
|
|
case 2:
|
|
nomul(-rnd(25)); /* sleep ray */
|
|
break;
|
|
case 3:
|
|
if (Cold_resistance)
|
|
pline("You don't feel cold!");
|
|
else
|
|
dam = d(6, 6);
|
|
break;
|
|
case 4:
|
|
u.uhp = -1;
|
|
}
|
|
losehp(dam, fltxt);
|
|
} else
|
|
pline("The %s whizzes by you!", fltxt);
|
|
stop_occupation();
|
|
}
|
|
if (!ZAP_POS(lev->typ)) {
|
|
int bounce = 0, rmn;
|
|
if (cansee(sx, sy))
|
|
pline("The %s bounces!", fltxt);
|
|
range--;
|
|
if (!dx || !dy || !rn2(20)) {
|
|
dx = -dx;
|
|
dy = -dy;
|
|
} else {
|
|
if (ZAP_POS(rmn = levl[sx][sy - dy].typ) &&
|
|
(IS_ROOM(rmn) || ZAP_POS(levl[sx + dx][sy - dy].typ)))
|
|
bounce = 1;
|
|
if (ZAP_POS(rmn = levl[sx - dx][sy].typ) &&
|
|
(IS_ROOM(rmn) || ZAP_POS(levl[sx - dx][sy + dy].typ)))
|
|
if (!bounce || rn2(2))
|
|
bounce = 2;
|
|
|
|
switch (bounce) {
|
|
case 0:
|
|
dy = -dy;
|
|
dx = -dx;
|
|
break;
|
|
case 1:
|
|
dy = -dy;
|
|
break;
|
|
case 2:
|
|
dx = -dx;
|
|
break;
|
|
}
|
|
Tmp_at(-2, dirlet(dx, dy));
|
|
}
|
|
}
|
|
}
|
|
Tmp_at(-1, -1);
|
|
}
|
|
|
|
int
|
|
zhit(mon, type) /* returns damage to mon */
|
|
struct monst *mon;
|
|
int type;
|
|
{
|
|
int tmp = 0;
|
|
|
|
switch (type) {
|
|
case 0: /* magic missile */
|
|
tmp = d(2, 6);
|
|
break;
|
|
case -1: /* Dragon blazing fire */
|
|
case 1: /* fire */
|
|
if (strchr("Dg", mon->data->mlet))
|
|
break;
|
|
tmp = d(6, 6);
|
|
if (strchr("YF", mon->data->mlet))
|
|
tmp += 7;
|
|
break;
|
|
case 2: /* sleep */
|
|
mon->mfroz = 1;
|
|
break;
|
|
case 3: /* cold */
|
|
if (strchr("YFgf", mon->data->mlet))
|
|
break;
|
|
tmp = d(6, 6);
|
|
if (mon->data->mlet == 'D')
|
|
tmp += 7;
|
|
break;
|
|
case 4: /* death */
|
|
if (strchr(UNDEAD, mon->data->mlet))
|
|
break;
|
|
tmp = mon->mhp + 1;
|
|
break;
|
|
}
|
|
mon->mhp -= tmp;
|
|
return (tmp);
|
|
}
|
|
|
|
#define CORPSE_I_TO_C(otyp) (char) ((otyp >= DEAD_ACID_BLOB)\
|
|
? 'a' + (otyp - DEAD_ACID_BLOB)\
|
|
: '@' + (otyp - DEAD_HUMAN))
|
|
int
|
|
revive(obj)
|
|
struct obj *obj;
|
|
{
|
|
struct monst *mtmp = NULL;
|
|
|
|
if (obj->olet == FOOD_SYM && obj->otyp > CORPSE) {
|
|
/* do not (yet) revive shopkeepers */
|
|
/*
|
|
* Note: this might conceivably produce two monsters at the
|
|
* same position - strange, but harmless
|
|
*/
|
|
mtmp = mkmon_at(CORPSE_I_TO_C(obj->otyp), obj->ox, obj->oy);
|
|
delobj(obj);
|
|
}
|
|
return (!!mtmp); /* TRUE if some monster created */
|
|
}
|
|
|
|
void
|
|
rloco(obj)
|
|
struct obj *obj;
|
|
{
|
|
int tx, ty, otx, oty;
|
|
|
|
otx = obj->ox;
|
|
oty = obj->oy;
|
|
do {
|
|
tx = rn1(COLNO - 3, 2);
|
|
ty = rn2(ROWNO);
|
|
} while (!goodpos(tx, ty));
|
|
obj->ox = tx;
|
|
obj->oy = ty;
|
|
if (cansee(otx, oty))
|
|
newsym(otx, oty);
|
|
}
|
|
|
|
void
|
|
fracture_rock(obj) /* fractured by pick-axe or wand of striking */
|
|
struct obj *obj; /* no texts here! */
|
|
{
|
|
/* unpobj(obj); */
|
|
obj->otyp = ROCK;
|
|
obj->quan = 7 + rn2(60);
|
|
obj->owt = weight(obj);
|
|
obj->olet = WEAPON_SYM;
|
|
if (cansee(obj->ox, obj->oy))
|
|
prl(obj->ox, obj->oy);
|
|
}
|
|
|
|
void
|
|
burn_scrolls()
|
|
{
|
|
struct obj *obj, *obj2;
|
|
int cnt = 0;
|
|
|
|
for (obj = invent; obj; obj = obj2) {
|
|
obj2 = obj->nobj;
|
|
if (obj->olet == SCROLL_SYM) {
|
|
cnt++;
|
|
useup(obj);
|
|
}
|
|
}
|
|
if (cnt > 1) {
|
|
pline("Your scrolls catch fire!");
|
|
losehp(cnt, "burning scrolls");
|
|
} else if (cnt) {
|
|
pline("Your scroll catches fire!");
|
|
losehp(1, "burning scroll");
|
|
}
|
|
}
|