src/fountain.c

   1 /* NetHack 3.6  fountain.c      $NHDT-Date: 1455402364 2016/02/13 22:26:04 $  $NHDT-Branch: NetHack-3.6.0 $:$NHDT-Revision: 1.56 $ */
   2 /*      Copyright Scott R. Turner, srt@ucla, 10/27/86 */
   3 /* NetHack may be freely redistributed.  See license for details. */
   4
   5 /* Code for drinking from fountains. */
   6
   7 #include "hack.h"
   8
   9 STATIC_DCL void NDECL(dowatersnakes);
  10 STATIC_DCL void NDECL(dowaterdemon);
  11 STATIC_DCL void NDECL(dowaternymph);
  12 STATIC_PTR void FDECL(gush, (int, int, genericptr_t));
  13 STATIC_DCL void NDECL(dofindgem);
  14
  15 /* used when trying to dip in or drink from fountain or sink or pool while
  16    levitating above it, or when trying to move downwards in that state */
  17 void
  18 floating_above(what)
  19 const char *what;
  20 {
  21     const char *umsg = "are floating high above the %s.";
  22
  23     if (u.utrap && (u.utraptype == TT_INFLOOR || u.utraptype == TT_LAVA)) {
  24         /* when stuck in floor (not possible at fountain or sink location,
  25            so must be attempting to move down), override the usual message */
  26         umsg = "are trapped in the %s.";
  27         what = surface(u.ux, u.uy); /* probably redundant */
  28     }
  29     You(umsg, what);
  30 }
  31
  32 /* Fountain of snakes! */
  33 STATIC_OVL void
  34 dowatersnakes()
  35 {
  36     register int num = rn1(5, 2);
  37     struct monst *mtmp;
  38
  39     if (!(mvitals[PM_WATER_MOCCASIN].mvflags & G_GONE)) {
  40         if (!Blind)
  41             pline("An endless stream of %s pours forth!",
  42                   Hallucination ? makeplural(rndmonnam(NULL)) : "snakes");
  43         else
  44             You_hear("%s hissing!", something);
  45         while (num-- > 0)
  46             if ((mtmp = makemon(&mons[PM_WATER_MOCCASIN], u.ux, u.uy,
  47                                 NO_MM_FLAGS)) != 0
  48                 && t_at(mtmp->mx, mtmp->my))
  49                 (void) mintrap(mtmp);
  50     } else
  51         pline_The("fountain bubbles furiously for a moment, then calms.");
  52 }
  53
  54 /* Water demon */
  55 STATIC_OVL void
  56 dowaterdemon()
  57 {
  58     struct monst *mtmp;
  59
  60     if (!(mvitals[PM_WATER_DEMON].mvflags & G_GONE)) {
  61         if ((mtmp = makemon(&mons[PM_WATER_DEMON], u.ux, u.uy,
  62                             NO_MM_FLAGS)) != 0) {
  63             if (!Blind)
  64                 You("unleash %s!", a_monnam(mtmp));
  65             else
  66                 You_feel("the presence of evil.");
  67
  68             /* Give those on low levels a (slightly) better chance of survival
  69              */
  70             if (rnd(100) > (80 + level_difficulty())) {
  71                 pline("Grateful for %s release, %s grants you a wish!",
  72                       mhis(mtmp), mhe(mtmp));
  73                 /* give a wish and discard the monster (mtmp set to null) */
  74                 mongrantswish(&mtmp);
  75             } else if (t_at(mtmp->mx, mtmp->my))
  76                 (void) mintrap(mtmp);
  77         }
  78     } else
  79         pline_The("fountain bubbles furiously for a moment, then calms.");
  80 }
  81
  82 /* Water Nymph */
  83 STATIC_OVL void
  84 dowaternymph()
  85 {
  86     register struct monst *mtmp;
  87
  88     if (!(mvitals[PM_WATER_NYMPH].mvflags & G_GONE)
  89         && (mtmp = makemon(&mons[PM_WATER_NYMPH], u.ux, u.uy,
  90                            NO_MM_FLAGS)) != 0) {
  91         if (!Blind)
  92             You("attract %s!", a_monnam(mtmp));
  93         else
  94             You_hear("a seductive voice.");
  95         mtmp->msleeping = 0;
  96         if (t_at(mtmp->mx, mtmp->my))
  97             (void) mintrap(mtmp);
  98     } else if (!Blind)
  99         pline("A large bubble rises to the surface and pops.");
 100     else
 101         You_hear("a loud pop.");
 102 }
 103
 104 /* Gushing forth along LOS from (u.ux, u.uy) */
 105 void
 106 dogushforth(drinking)
 107 int drinking;
 108 {
 109     int madepool = 0;
 110
 111     do_clear_area(u.ux, u.uy, 7, gush, (genericptr_t) &madepool);
 112     if (!madepool) {
 113         if (drinking)
 114             Your("thirst is quenched.");
 115         else
 116             pline("Water sprays all over you.");
 117     }
 118 }
 119
 120 STATIC_PTR void
 121 gush(x, y, poolcnt)
 122 int x, y;
 123 genericptr_t poolcnt;
 124 {
 125     register struct monst *mtmp;
 126     register struct trap *ttmp;
 127
 128     if (((x + y) % 2) || (x == u.ux && y == u.uy)
 129         || (rn2(1 + distmin(u.ux, u.uy, x, y))) || (levl[x][y].typ != ROOM)
 130         || (sobj_at(BOULDER, x, y)) || nexttodoor(x, y))
 131         return;
 132
 133     if ((ttmp = t_at(x, y)) != 0 && !delfloortrap(ttmp))
 134         return;
 135
 136     if (!((*(int *) poolcnt)++))
 137         pline("Water gushes forth from the overflowing fountain!");
 138
 139     /* Put a pool at x, y */
 140     levl[x][y].typ = POOL;
 141     /* No kelp! */
 142     del_engr_at(x, y);
 143     water_damage_chain(level.objects[x][y], TRUE);
 144
 145     if ((mtmp = m_at(x, y)) != 0)
 146         (void) minliquid(mtmp);
 147     else
 148         newsym(x, y);
 149 }
 150
 151 /* Find a gem in the sparkling waters. */
 152 STATIC_OVL void
 153 dofindgem()
 154 {
 155     if (!Blind)
 156         You("spot a gem in the sparkling waters!");
 157     else
 158         You_feel("a gem here!");
 159     (void) mksobj_at(rnd_class(DILITHIUM_CRYSTAL, LUCKSTONE - 1), u.ux, u.uy,
 160                      FALSE, FALSE);
 161     SET_FOUNTAIN_LOOTED(u.ux, u.uy);
 162     newsym(u.ux, u.uy);
 163     exercise(A_WIS, TRUE); /* a discovery! */
 164 }
 165
 166 void
 167 dryup(x, y, isyou)
 168 xchar x, y;
 169 boolean isyou;
 170 {
 171     if (IS_FOUNTAIN(levl[x][y].typ)
 172         && (!rn2(3) || FOUNTAIN_IS_WARNED(x, y))) {
 173         if (isyou && in_town(x, y) && !FOUNTAIN_IS_WARNED(x, y)) {
 174             struct monst *mtmp;
 175
 176             SET_FOUNTAIN_WARNED(x, y);
 177             /* Warn about future fountain use. */
 178             for (mtmp = fmon; mtmp; mtmp = mtmp->nmon) {
 179                 if (DEADMONSTER(mtmp))
 180                     continue;
 181                 if (is_watch(mtmp->data) && couldsee(mtmp->mx, mtmp->my)
 182                     && mtmp->mpeaceful) {
 183                     if (!Deaf) {
 184                         pline("%s yells:", Amonnam(mtmp));
 185                         verbalize("Hey, stop using that fountain!");
 186                     } else {
 187                         pline("%s earnestly %s %s %s!",
 188                               Amonnam(mtmp),
 189                               nolimbs(mtmp->data) ? "shakes" : "waves",
 190                               mhis(mtmp),
 191                               nolimbs(mtmp->data)
 192                                       ? mbodypart(mtmp, HEAD)
 193                                       : makeplural(mbodypart(mtmp, ARM)));
 194                     }
 195                     break;
 196                 }
 197             }
 198             /* You can see or hear this effect */
 199             if (!mtmp)
 200                 pline_The("flow reduces to a trickle.");
 201             return;
 202         }
 203         if (isyou && wizard) {
 204             if (yn("Dry up fountain?") == 'n')
 205                 return;
 206         }
 207         /* replace the fountain with ordinary floor */
 208         levl[x][y].typ = ROOM;
 209         levl[x][y].looted = 0;
 210         levl[x][y].blessedftn = 0;
 211         if (cansee(x, y))
 212             pline_The("fountain dries up!");
 213         /* The location is seen if the hero/monster is invisible
 214            or felt if the hero is blind. */
 215         newsym(x, y);
 216         level.flags.nfountains--;
 217         if (isyou && in_town(x, y))
 218             (void) angry_guards(FALSE);
 219     }
 220 }
 221
 222 void
 223 drinkfountain()
 224 {
 225     /* What happens when you drink from a fountain? */
 226     register boolean mgkftn = (levl[u.ux][u.uy].blessedftn == 1);
 227     register int fate = rnd(30);
 228
 229     if (Levitation) {
 230         floating_above("fountain");
 231         return;
 232     }
 233
 234     if (mgkftn && u.uluck >= 0 && fate >= 10) {
 235         int i, ii, littleluck = (u.uluck < 4);
 236
 237         pline("Wow!  This makes you feel great!");
 238         /* blessed restore ability */
 239         for (ii = 0; ii < A_MAX; ii++)
 240             if (ABASE(ii) < AMAX(ii)) {
 241                 ABASE(ii) = AMAX(ii);
 242                 context.botl = 1;
 243             }
 244         /* gain ability, blessed if "natural" luck is high */
 245         i = rn2(A_MAX); /* start at a random attribute */
 246         for (ii = 0; ii < A_MAX; ii++) {
 247             if (adjattrib(i, 1, littleluck ? -1 : 0) && littleluck)
 248                 break;
 249             if (++i >= A_MAX)
 250                 i = 0;
 251         }
 252         display_nhwindow(WIN_MESSAGE, FALSE);
 253         pline("A wisp of vapor escapes the fountain...");
 254         exercise(A_WIS, TRUE);
 255         levl[u.ux][u.uy].blessedftn = 0;
 256         return;
 257     }
 258
 259     if (fate < 10) {
 260         pline_The("cool draught refreshes you.");
 261         u.uhunger += rnd(10); /* don't choke on water */
 262         newuhs(FALSE);
 263         if (mgkftn)
 264             return;
 265     } else {
 266         switch (fate) {
 267         case 19: /* Self-knowledge */
 268             You_feel("self-knowledgeable...");
 269             display_nhwindow(WIN_MESSAGE, FALSE);
 270             enlightenment(MAGICENLIGHTENMENT, ENL_GAMEINPROGRESS);
 271             exercise(A_WIS, TRUE);
 272             pline_The("feeling subsides.");
 273             break;
 274         case 20: /* Foul water */
 275             pline_The("water is foul!  You gag and vomit.");
 276             morehungry(rn1(20, 11));
 277             vomit();
 278             break;
 279         case 21: /* Poisonous */
 280             pline_The("water is contaminated!");
 281             if (Poison_resistance) {
 282                 pline("Perhaps it is runoff from the nearby %s farm.",
 283                       fruitname(FALSE));
 284                 losehp(rnd(4), "unrefrigerated sip of juice", KILLED_BY_AN);
 285                 break;
 286             }
 287             losestr(rn1(4, 3));
 288             losehp(rnd(10), "contaminated water", KILLED_BY);
 289             exercise(A_CON, FALSE);
 290             break;
 291         case 22: /* Fountain of snakes! */
 292             dowatersnakes();
 293             break;
 294         case 23: /* Water demon */
 295             dowaterdemon();
 296             break;
 297         case 24: /* Curse an item */ {
 298             register struct obj *obj;
 299
 300             pline("This water's no good!");
 301             morehungry(rn1(20, 11));
 302             exercise(A_CON, FALSE);
 303             for (obj = invent; obj; obj = obj->nobj)
 304                 if (!rn2(5))
 305                     curse(obj);
 306             break;
 307         }
 308         case 25: /* See invisible */
 309             if (Blind) {
 310                 if (Invisible) {
 311                     You("feel transparent.");
 312                 } else {
 313                     You("feel very self-conscious.");
 314                     pline("Then it passes.");
 315                 }
 316             } else {
 317                 You_see("an image of someone stalking you.");
 318                 pline("But it disappears.");
 319             }
 320             HSee_invisible |= FROMOUTSIDE;
 321             newsym(u.ux, u.uy);
 322             exercise(A_WIS, TRUE);
 323             break;
 324         case 26: /* See Monsters */
 325             (void) monster_detect((struct obj *) 0, 0);
 326             exercise(A_WIS, TRUE);
 327             break;
 328         case 27: /* Find a gem in the sparkling waters. */
 329             if (!FOUNTAIN_IS_LOOTED(u.ux, u.uy)) {
 330                 dofindgem();
 331                 break;
 332             }
 333         case 28: /* Water Nymph */
 334             dowaternymph();
 335             break;
 336         case 29: /* Scare */
 337         {
 338             register struct monst *mtmp;
 339
 340             pline("This water gives you bad breath!");
 341             for (mtmp = fmon; mtmp; mtmp = mtmp->nmon) {
 342                 if (DEADMONSTER(mtmp))
 343                     continue;
 344                 monflee(mtmp, 0, FALSE, FALSE);
 345             }
 346             break;
 347         }
 348         case 30: /* Gushing forth in this room */
 349             dogushforth(TRUE);
 350             break;
 351         default:
 352             pline("This tepid water is tasteless.");
 353             break;
 354         }
 355     }
 356     dryup(u.ux, u.uy, TRUE);
 357 }
 358
 359 void
 360 dipfountain(obj)
 361 register struct obj *obj;
 362 {
 363     if (Levitation) {
 364         floating_above("fountain");
 365         return;
 366     }
 367
 368     /* Don't grant Excalibur when there's more than one object.  */
 369     /* (quantity could be > 1 if merged daggers got polymorphed) */
 370     if (obj->otyp == LONG_SWORD && obj->quan == 1L && u.ulevel >= 5 && !rn2(6)
 371         && !obj->oartifact
 372         && !exist_artifact(LONG_SWORD, artiname(ART_EXCALIBUR))) {
 373         if (u.ualign.type != A_LAWFUL) {
 374             /* Ha!  Trying to cheat her. */
 375             pline(
 376              "A freezing mist rises from the water and envelopes the sword.");
 377             pline_The("fountain disappears!");
 378             curse(obj);
 379             if (obj->spe > -6 && !rn2(3))
 380                 obj->spe--;
 381             obj->oerodeproof = FALSE;
 382             exercise(A_WIS, FALSE);
 383         } else {
 384             /* The lady of the lake acts! - Eric Backus */
 385             /* Be *REAL* nice */
 386             pline(
 387               "From the murky depths, a hand reaches up to bless the sword.");
 388             pline("As the hand retreats, the fountain disappears!");
 389             obj = oname(obj, artiname(ART_EXCALIBUR));
 390             discover_artifact(ART_EXCALIBUR);
 391             bless(obj);
 392             obj->oeroded = obj->oeroded2 = 0;
 393             obj->oerodeproof = TRUE;
 394             exercise(A_WIS, TRUE);
 395         }
 396         update_inventory();
 397         levl[u.ux][u.uy].typ = ROOM;
 398         levl[u.ux][u.uy].looted = 0;
 399         newsym(u.ux, u.uy);
 400         level.flags.nfountains--;
 401         if (in_town(u.ux, u.uy))
 402             (void) angry_guards(FALSE);
 403         return;
 404     } else {
 405         int er = water_damage(obj, NULL, TRUE);
 406
 407         if (obj->otyp == POT_ACID
 408             && er != ER_DESTROYED) { /* Acid and water don't mix */
 409             useup(obj);
 410             return;
 411         } else if (er != ER_NOTHING && !rn2(2)) { /* no further effect */
 412             return;
 413         }
 414     }
 415
 416     switch (rnd(30)) {
 417     case 16: /* Curse the item */
 418         curse(obj);
 419         break;
 420     case 17:
 421     case 18:
 422     case 19:
 423     case 20: /* Uncurse the item */
 424         if (obj->cursed) {
 425             if (!Blind)
 426                 pline_The("water glows for a moment.");
 427             uncurse(obj);
 428         } else {
 429             pline("A feeling of loss comes over you.");
 430         }
 431         break;
 432     case 21: /* Water Demon */
 433         dowaterdemon();
 434         break;
 435     case 22: /* Water Nymph */
 436         dowaternymph();
 437         break;
 438     case 23: /* an Endless Stream of Snakes */
 439         dowatersnakes();
 440         break;
 441     case 24: /* Find a gem */
 442         if (!FOUNTAIN_IS_LOOTED(u.ux, u.uy)) {
 443             dofindgem();
 444             break;
 445         }
 446     case 25: /* Water gushes forth */
 447         dogushforth(FALSE);
 448         break;
 449     case 26: /* Strange feeling */
 450         pline("A strange tingling runs up your %s.", body_part(ARM));
 451         break;
 452     case 27: /* Strange feeling */
 453         You_feel("a sudden chill.");
 454         break;
 455     case 28: /* Strange feeling */
 456         pline("An urge to take a bath overwhelms you.");
 457         {
 458             long money = money_cnt(invent);
 459             struct obj *otmp;
 460             if (money > 10) {
 461                 /* Amount to lose.  Might get rounded up as fountains don't
 462                  * pay change... */
 463                 money = somegold(money) / 10;
 464                 for (otmp = invent; otmp && money > 0; otmp = otmp->nobj)
 465                     if (otmp->oclass == COIN_CLASS) {
 466                         int denomination = objects[otmp->otyp].oc_cost;
 467                         long coin_loss =
 468                             (money + denomination - 1) / denomination;
 469                         coin_loss = min(coin_loss, otmp->quan);
 470                         otmp->quan -= coin_loss;
 471                         money -= coin_loss * denomination;
 472                         if (!otmp->quan)
 473                             delobj(otmp);
 474                     }
 475                 You("lost some of your money in the fountain!");
 476                 CLEAR_FOUNTAIN_LOOTED(u.ux, u.uy);
 477                 exercise(A_WIS, FALSE);
 478             }
 479         }
 480         break;
 481     case 29: /* You see coins */
 482         /* We make fountains have more coins the closer you are to the
 483          * surface.  After all, there will have been more people going
 484          * by.  Just like a shopping mall!  Chris Woodbury  */
 485
 486         if (FOUNTAIN_IS_LOOTED(u.ux, u.uy))
 487             break;
 488         SET_FOUNTAIN_LOOTED(u.ux, u.uy);
 489         (void) mkgold((long) (rnd((dunlevs_in_dungeon(&u.uz) - dunlev(&u.uz)
 490                                    + 1) * 2) + 5),
 491                       u.ux, u.uy);
 492         if (!Blind)
 493             pline("Far below you, you see coins glistening in the water.");
 494         exercise(A_WIS, TRUE);
 495         newsym(u.ux, u.uy);
 496         break;
 497     }
 498     update_inventory();
 499     dryup(u.ux, u.uy, TRUE);
 500 }
 501
 502 void
 503 breaksink(x, y)
 504 int x, y;
 505 {
 506     if (cansee(x, y) || (x == u.ux && y == u.uy))
 507         pline_The("pipes break!  Water spurts out!");
 508     level.flags.nsinks--;
 509     levl[x][y].doormask = 0;
 510     levl[x][y].typ = FOUNTAIN;
 511     level.flags.nfountains++;
 512     newsym(x, y);
 513 }
 514
 515 void
 516 drinksink()
 517 {
 518     struct obj *otmp;
 519     struct monst *mtmp;
 520
 521     if (Levitation) {
 522         floating_above("sink");
 523         return;
 524     }
 525     switch (rn2(20)) {
 526     case 0:
 527         You("take a sip of very cold water.");
 528         break;
 529     case 1:
 530         You("take a sip of very warm water.");
 531         break;
 532     case 2:
 533         You("take a sip of scalding hot water.");
 534         if (Fire_resistance)
 535             pline("It seems quite tasty.");
 536         else
 537             losehp(rnd(6), "sipping boiling water", KILLED_BY);
 538         /* boiling water burns considered fire damage */
 539         break;
 540     case 3:
 541         if (mvitals[PM_SEWER_RAT].mvflags & G_GONE)
 542             pline_The("sink seems quite dirty.");
 543         else {
 544             mtmp = makemon(&mons[PM_SEWER_RAT], u.ux, u.uy, NO_MM_FLAGS);
 545             if (mtmp)
 546                 pline("Eek!  There's %s in the sink!",
 547                       (Blind || !canspotmon(mtmp)) ? "something squirmy"
 548                                                    : a_monnam(mtmp));
 549         }
 550         break;
 551     case 4:
 552         do {
 553             otmp = mkobj(POTION_CLASS, FALSE);
 554             if (otmp->otyp == POT_WATER) {
 555                 obfree(otmp, (struct obj *) 0);
 556                 otmp = (struct obj *) 0;
 557             }
 558         } while (!otmp);
 559         otmp->cursed = otmp->blessed = 0;
 560         pline("Some %s liquid flows from the faucet.",
 561               Blind ? "odd" : hcolor(OBJ_DESCR(objects[otmp->otyp])));
 562         otmp->dknown = !(Blind || Hallucination);
 563         otmp->quan++;       /* Avoid panic upon useup() */
 564         otmp->fromsink = 1; /* kludge for docall() */
 565         (void) dopotion(otmp);
 566         obfree(otmp, (struct obj *) 0);
 567         break;
 568     case 5:
 569         if (!(levl[u.ux][u.uy].looted & S_LRING)) {
 570             You("find a ring in the sink!");
 571             (void) mkobj_at(RING_CLASS, u.ux, u.uy, TRUE);
 572             levl[u.ux][u.uy].looted |= S_LRING;
 573             exercise(A_WIS, TRUE);
 574             newsym(u.ux, u.uy);
 575         } else
 576             pline("Some dirty water backs up in the drain.");
 577         break;
 578     case 6:
 579         breaksink(u.ux, u.uy);
 580         break;
 581     case 7:
 582         pline_The("water moves as though of its own will!");
 583         if ((mvitals[PM_WATER_ELEMENTAL].mvflags & G_GONE)
 584             || !makemon(&mons[PM_WATER_ELEMENTAL], u.ux, u.uy, NO_MM_FLAGS))
 585             pline("But it quiets down.");
 586         break;
 587     case 8:
 588         pline("Yuk, this water tastes awful.");
 589         more_experienced(1, 0);
 590         newexplevel();
 591         break;
 592     case 9:
 593         pline("Gaggg... this tastes like sewage!  You vomit.");
 594         morehungry(rn1(30 - ACURR(A_CON), 11));
 595         vomit();
 596         break;
 597     case 10:
 598         pline("This water contains toxic wastes!");
 599         if (!Unchanging) {
 600             You("undergo a freakish metamorphosis!");
 601             polyself(0);
 602         }
 603         break;
 604     /* more odd messages --JJB */
 605     case 11:
 606         You_hear("clanking from the pipes...");
 607         break;
 608     case 12:
 609         You_hear("snatches of song from among the sewers...");
 610         break;
 611     case 19:
 612         if (Hallucination) {
 613             pline("From the murky drain, a hand reaches up... --oops--");
 614             break;
 615         }
 616     default:
 617         You("take a sip of %s water.",
 618             rn2(3) ? (rn2(2) ? "cold" : "warm") : "hot");
 619     }
 620 }
 621
 622 /*fountain.c*/