1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
2 /* hack.zap.c - version 1.0.3 */
3 /* $FreeBSD: src/games/hack/hack.zap.c,v 1.4 1999/11/16 10:26:38 marcel Exp $ */
4 /* $DragonFly: src/games/hack/hack.zap.c,v 1.5 2006/08/21 19:45:32 pavalos Exp $ */
8 extern struct monst youmonst;
10 static const char *fl[]= {
18 static void bhitm(struct monst *, struct obj *);
19 static bool bhito(struct obj *, struct obj *);
20 static char dirlet(int, int);
21 static int zhit(struct monst *, int);
22 static bool revive(struct obj *);
23 static void rloco(struct obj *);
24 static void burn_scrolls(void);
26 /* Routines for IMMEDIATE wands. */
27 /* bhitm: monster mtmp was hit by the effect of wand otmp */
29 bhitm(struct monst *mtmp, struct obj *otmp)
34 if (u.uswallow || rnd(20) < 10 + mtmp->data->ac) {
36 hit("wand", mtmp, exclam(tmp));
43 case WAN_SLOW_MONSTER:
46 case WAN_SPEED_MONSTER:
49 case WAN_UNDEAD_TURNING:
50 if (strchr(UNDEAD, mtmp->data->mlet)) {
59 if (newcham(mtmp, &mons[rn2(CMNUM)]))
60 objects[otmp->otyp].oc_name_known = 1;
62 case WAN_CANCELLATION:
65 case WAN_TELEPORTATION:
68 case WAN_MAKE_INVISIBLE:
75 #endif /* WAN_PROBING */
77 impossible("What an interesting wand (%u)", otmp->otyp);
82 * object obj was hit by the effect of wand otmp
83 * returns TRUE if sth was done
86 bhito(struct obj *obj, struct obj *otmp)
90 if (obj == uball || obj == uchain)
95 /* preserve symbol and quantity, but turn rocks into gems */
96 mkobj_at((obj->otyp == ROCK || obj->otyp == ENORMOUS_ROCK)
97 ? GEM_SYM : obj->olet,
98 obj->ox, obj->oy)->quan = obj->quan;
102 if (obj->otyp == ENORMOUS_ROCK)
107 case WAN_CANCELLATION:
108 if (obj->spe && obj->olet != AMULET_SYM) {
113 case WAN_TELEPORTATION:
116 case WAN_MAKE_INVISIBLE:
119 case WAN_UNDEAD_TURNING:
122 case WAN_SLOW_MONSTER: /* no effect on objects */
123 case WAN_SPEED_MONSTER:
126 #endif /* WAN_PROBING */
130 impossible("What an interesting wand (%u)", otmp->otyp);
141 obj = getobj("/", "zap");
144 if (obj->spe < 0 || (obj->spe == 0 && rn2(121))) {
145 pline("Nothing Happens.");
149 pline("You wrest one more spell from the worn-out wand.");
150 if (!(objects[obj->otyp].bits & NODIR) && !getdir(1))
151 return (1); /* make him pay for knowing !NODIR */
153 if (objects[obj->otyp].bits & IMMEDIATE) {
155 bhitm(u.ustuck, obj);
158 struct obj *otmp = o_at(u.ux, u.uy);
163 bhit(u.dx, u.dy, rn1(8, 6), 0, bhitm, bhito, obj);
169 case WAN_SECRET_DOOR_DETECTION:
173 case WAN_CREATE_MONSTER:
179 makemon(NULL, u.ux, u.uy);
186 if (u.uluck + rn2(5) < 0) {
187 pline("Unfortunately, nothing happens.");
190 pline("You may wish for an object. What do you want? ");
192 if (buf[0] == '\033')
194 otmp = readobjnam(buf);
201 * Original effect (approximately):
202 * from CORR: dig until we pierce a wall
203 * from ROOM: piece wall and dig until we reach
204 * an ACCESSIBLE place.
205 * Currently: dig for digdepth positions;
206 * also down on request of Lennart Augustsson.
212 struct monst *mtmp = u.ustuck;
214 pline("You pierce %s's stomach wall!",
216 mtmp->mhp = 1; /* almost dead */
223 pline("You loosen a rock from the ceiling.");
224 pline("It falls on your head!");
225 losehp(1, "falling rock");
226 mksobj_at(ROCK, u.ux, u.uy);
237 digdepth = 8 + rn2(18);
238 Tmp_at(-1, '*'); /* open call */
239 while (--digdepth >= 0) {
242 room = &levl[zx][zy];
245 if (zx < 3 || zx > COLNO - 3 ||
246 zy < 3 || zy > ROWNO - 3)
248 if (room->typ == HWALL ||
249 room->typ == VWALL) {
253 } else if (room->typ == HWALL || room->typ == VWALL ||
254 room->typ == SDOOR || room->typ == LDOOR) {
257 } else if (room->typ == SCORR || !room->typ) {
265 mnewsym(zx, zy); /* not always necessary */
266 Tmp_at(-1, -1); /* closing call */
270 buzz((int)obj->otyp - WAN_MAGIC_MISSILE,
271 u.ux, u.uy, u.dx, u.dy);
274 if (!objects[obj->otyp].oc_name_known) {
275 objects[obj->otyp].oc_name_known = 1;
276 more_experienced(0, 10);
285 /* force == 0 occurs e.g. with sleep ray */
286 /* note that large force is usual with wands so that !! would
287 require information about hand/weapon/wand */
288 return ((force < 0) ? "?" : (force <= 4) ? "." : "!");
292 hit(const char *str, struct monst *mtmp, const char *force)
294 /* force: usually either "." or "!" */
295 if (!cansee(mtmp->mx, mtmp->my))
296 pline("The %s hits it.", str);
298 pline("The %s hits %s%s", str, monnam(mtmp), force);
302 miss(const char *str, struct monst *mtmp)
304 if (!cansee(mtmp->mx, mtmp->my))
305 pline("The %s misses it.", str);
307 pline("The %s misses %s.", str, monnam(mtmp));
311 * bhit: called when a weapon is thrown (sym = obj->olet) or when an
312 * IMMEDIATE wand is zapped (sym = 0); the weapon falls down at end of range
313 * or when a monster is hit; the monster is returned, and bhitpos is set to
314 * the final position of the weapon thrown; the ray of a wand may affect
315 * several objects and monsters on its path - for each of these an argument
316 * function is called.
318 /* check !u.uswallow before calling bhit() */
320 /* ddx, ddy, range: direction and range
321 * sym: symbol displayed on path
322 * fhitm, fhito: fns called when mon/obj hit
323 * obj: 2nd arg to fhitm/fhito
326 bhit(int ddx, int ddy, int range, char sym,
327 void (*fhitm)(struct monst *, struct obj *),
328 bool (*fhito)(struct obj *, struct obj *), struct obj *obj)
337 if (sym) /* open call */
339 while (range-- > 0) {
342 typ = levl[bhitpos.x][bhitpos.y].typ;
343 if ((mtmp = m_at(bhitpos.x, bhitpos.y))) {
345 tmp_at(-1, -1); /* close call */
351 if (fhito && (otmp = o_at(bhitpos.x, bhitpos.y))) {
352 if ((*fhito)(otmp, obj))
361 tmp_at(bhitpos.x, bhitpos.y);
364 /* leave last symbol unless in a pool */
366 tmp_at(-1, (levl[bhitpos.x][bhitpos.y].typ == POOL) ? -1 : 0);
371 boomhit(int dx, int dy)
380 for (i = 0; i < 8; i++)
381 if (xdir[i] == dx && ydir[i] == dy)
383 tmp_at(-1, sym); /* open call */
384 for (ct = 0; ct < 10; ct++) {
387 sym = ')' + '(' - sym;
388 tmp_at(-2, sym); /* change let call */
393 if ((mtmp = m_at(bhitpos.x, bhitpos.y)) != NULL) {
397 if (!ZAP_POS(levl[bhitpos.x][bhitpos.y].typ)) {
402 if (bhitpos.x == u.ux && bhitpos.y == u.uy) { /* ct == 9 */
403 if (rn2(20) >= 10 + u.ulevel) { /* we hit ourselves */
404 thitu(10, rnd(10), "boomerang");
406 } else { /* we catch it */
408 pline("Skillfully, you catch the boomerang.");
412 tmp_at(bhitpos.x, bhitpos.y);
416 tmp_at(-1, -1); /* do not leave last symbol */
421 dirlet(int dx, int dy)
424 (dx == dy) ? '\\' : (dx && dy) ? '/' : dx ? '-' : '|';
427 /* type == -1: monster spitting fire at you */
428 /* type == -1,-2,-3: bolts sent out by wizard */
429 /* called with dx = dy = 0 with vertical bolts */
431 buzz(int type, xchar sx, xchar sy, int dx, int dy)
433 int abstype = abs(type);
434 const char *fltxt = (type == -1) ? "blaze of fire" : fl[abstype];
444 tmp = zhit(u.ustuck, type);
445 pline("The %s rips into %s%s",
446 fltxt, monnam(u.ustuck), exclam(tmp));
452 Tmp_at(-1, dirlet(dx, dy)); /* open call */
453 while (range-- > 0) {
456 if ((lev = &levl[sx][sy])->typ)
460 if (cansee(sx - dx, sy - dy))
461 pline("The %s bounces!", fltxt);
462 if (ZAP_POS(levl[sx][sy - dy].typ))
464 if (ZAP_POS(levl[sx - dx][sy].typ)) {
465 if (!bounce || rn2(2))
482 Tmp_at(-2, dirlet(dx, dy));
485 if (lev->typ == POOL && abstype == 1 /* fire */) {
488 if (cansee(sx, sy)) {
490 pline("The water evaporates.");
492 pline("You hear a hissing sound.");
494 if ((mon = m_at(sx, sy)) &&
495 (type != -1 || mon->data->mlet != 'D')) {
497 if (rnd(20) < 18 + mon->data->ac) {
498 int tmp = zhit(mon, abstype);
501 if (cansee(mon->mx, mon->my))
502 pline("%s is killed by the %s!",
508 hit(fltxt, mon, exclam(tmp));
512 } else if (sx == u.ux && sy == u.uy) {
514 if (rnd(20) < 18 + u.uac) {
517 pline("The %s hits you!", fltxt);
524 pline("You don't feel hot!");
531 nomul(-rnd(25)); /* sleep ray */
535 pline("You don't feel cold!");
544 pline("The %s whizzes by you!", fltxt);
547 if (!ZAP_POS(lev->typ)) {
550 pline("The %s bounces!", fltxt);
552 if (!dx || !dy || !rn2(20)) {
556 if (ZAP_POS(rmn = levl[sx][sy - dy].typ) &&
557 (IS_ROOM(rmn) || ZAP_POS(levl[sx + dx][sy - dy].typ)))
559 if (ZAP_POS(rmn = levl[sx - dx][sy].typ) &&
560 (IS_ROOM(rmn) || ZAP_POS(levl[sx - dx][sy + dy].typ)))
561 if (!bounce || rn2(2))
576 Tmp_at(-2, dirlet(dx, dy));
584 zhit(struct monst *mon, int type) /* returns damage to mon */
589 case 0: /* magic missile */
592 case -1: /* Dragon blazing fire */
594 if (strchr("Dg", mon->data->mlet))
597 if (strchr("YF", mon->data->mlet))
604 if (strchr("YFgf", mon->data->mlet))
607 if (mon->data->mlet == 'D')
611 if (strchr(UNDEAD, mon->data->mlet))
620 #define CORPSE_I_TO_C(otyp) (char) ((otyp >= DEAD_ACID_BLOB)\
621 ? 'a' + (otyp - DEAD_ACID_BLOB)\
622 : '@' + (otyp - DEAD_HUMAN))
624 revive(struct obj *obj)
626 struct monst *mtmp = NULL;
628 if (obj->olet == FOOD_SYM && obj->otyp > CORPSE) {
629 /* do not (yet) revive shopkeepers */
630 /* Note: this might conceivably produce two monsters
631 * at the same position - strange, but harmless */
632 mtmp = mkmon_at(CORPSE_I_TO_C(obj->otyp), obj->ox, obj->oy);
635 return (!!mtmp); /* TRUE if some monster created */
639 rloco(struct obj *obj)
641 int tx, ty, otx, oty;
646 tx = rn1(COLNO - 3, 2);
648 } while (!goodpos(tx, ty));
651 if (cansee(otx, oty))
655 /* fractured by pick-axe or wand of striking */
658 fracture_rock(struct obj *obj)
661 obj->quan = 7 + rn2(60);
662 obj->owt = weight(obj);
663 obj->olet = WEAPON_SYM;
664 if (cansee(obj->ox, obj->oy))
665 prl(obj->ox, obj->oy);
671 struct obj *obj, *obj2;
674 for (obj = invent; obj; obj = obj2) {
676 if (obj->olet == SCROLL_SYM) {
682 pline("Your scrolls catch fire!");
683 losehp(cnt, "burning scrolls");
685 pline("Your scroll catches fire!");
686 losehp(1, "burning scroll");