games/adventure/subr.c

   1 /*-
   2  * Copyright (c) 1991, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * The game adventure was originally written in Fortran by Will Crowther
   6  * and Don Woods.  It was later translated to C and enhanced by Jim
   7  * Gillogly.  This code is derived from software contributed to Berkeley
   8  * by Jim Gillogly at The Rand Corporation.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. Neither the name of the University nor the names of its contributors
  19  *    may be used to endorse or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  *
  34  * @(#)subr.c   8.1 (Berkeley) 5/31/93
  35  * $FreeBSD: src/games/adventure/subr.c,v 1.7.2.1 2001/03/05 11:43:11 kris Exp $
  36  * $DragonFly: src/games/adventure/subr.c,v 1.4 2007/04/18 18:32:12 swildner Exp $
  37  */
  38
  39 /* Re-coding of advent in C: subroutines from main */
  40
  41 #include <stdio.h>
  42 #include <stdlib.h>
  43 #include <string.h>
  44 #include "hdr.h"
  45
  46 static void badmove(void);
  47 static int bitset(int, int);
  48 static int dropper(void);
  49 static int liq2(int);
  50 static int mback(void);
  51 static int specials(void);
  52 static int trbridge(void);
  53
  54 /* Statement functions */
  55 int
  56 toting(int objj)
  57 {
  58         if (place[objj] == -1)
  59                 return (TRUE);
  60         else
  61                 return (FALSE);
  62 }
  63
  64 int
  65 here(int objj)
  66 {
  67         if (place[objj] == loc || toting(objj))
  68                 return (TRUE);
  69         else
  70                 return (FALSE);
  71 }
  72
  73 int
  74 at(int objj)
  75 {
  76         if (place[objj] == loc || fixed[objj] == loc)
  77                 return (TRUE);
  78         else
  79                 return (FALSE);
  80 }
  81
  82 static int
  83 liq2(int pbotl)
  84 {
  85         return ((1 - pbotl) * water + (pbotl / 2) * (water + oil));
  86 }
  87
  88 int
  89 liq(void)
  90 {
  91         int i;
  92         i = prop[bottle];
  93         if (i > -1 - i)
  94                 return (liq2(i));
  95         else
  96                 return (liq2(-1 - i));
  97 }
  98
  99 /* may want to clean this one up a bit */
 100 int
 101 liqloc(int locc)
 102 {
 103         int i, j, l;
 104         i = cond[locc] / 2;
 105         j = ((i * 2) % 8) - 5;
 106         l = cond[locc] / 4;
 107         l = l % 2;
 108         return (liq2(j * l + 1));
 109 }
 110
 111 static int
 112 bitset(int l, int n)
 113 {
 114         if (cond[l] & setbit[n])
 115                 return (TRUE);
 116         return (FALSE);
 117 }
 118
 119 int
 120 forced(int locc)
 121 {
 122         if (cond[locc] == 2)
 123                 return (TRUE);
 124         return (FALSE);
 125 }
 126
 127 int
 128 dark(void)
 129 {
 130         if ((cond[loc] % 2) == 0 && (prop[lamp] == 0 || !here(lamp)))
 131                 return (TRUE);
 132         return (FALSE);
 133 }
 134
 135 int
 136 pct(int n)
 137 {
 138         if (ran(100) < n)
 139                 return (TRUE);
 140         return (FALSE);
 141 }
 142
 143 /* 71 */
 144 int
 145 fdwarf(void)
 146 {
 147         int i, j;
 148         struct travlist *kk;
 149
 150         if (newloc != loc && !forced(loc) && !bitset(loc, 3)) {
 151                 for (i = 1; i <= 5; i++) {
 152                         if (odloc[i] != newloc || !dseen[i])
 153                                 continue;
 154                         newloc = loc;
 155                         rspeak(2);
 156                         break;
 157                 }
 158         }
 159         loc = newloc;                                   /* 74 */
 160         if (loc == 0 || forced(loc) || bitset(newloc, 3))
 161                 return (2000);
 162         if (dflag == 0) {
 163                 if (loc >= 15)
 164                         dflag = 1;
 165                 return (2000);
 166         }
 167         if (dflag == 1) {                               /* 6000 */
 168                 if (loc < 15 || pct(95))
 169                         return (2000);
 170                 dflag = 2;
 171                 for (i = 1; i <= 2; i++) {
 172                         j = 1 + ran(5);
 173                         if (pct(50) && saved == -1)
 174                                 dloc[j] = 0;            /* 6001 */
 175                 }
 176                 for (i = 1; i <= 5; i++) {
 177                         if (dloc[i] == loc)
 178                                 dloc[i] = daltlc;
 179                         odloc[i] = dloc[i];             /* 6002 */
 180                 }
 181                 rspeak(3);
 182                 drop(axe, loc);
 183                 return (2000);
 184         }
 185         dtotal = attack = stick = 0;                    /* 6010 */
 186         for (i = 1; i <= 6; i++) {                      /* loop to 6030 */
 187                 if (dloc[i] == 0)
 188                         continue;
 189                 j = 1;
 190                 for (kk = travel[dloc[i]]; kk != 0; kk = kk->next) {
 191                         newloc = kk->tloc;
 192                         if (newloc > 300 || newloc < 15 || newloc == odloc[i]
 193                             || (j > 1 && newloc == tk[j - 1]) || j >= 20
 194                             || newloc == dloc[i] || forced(newloc)
 195                             || (i == 6 && bitset(newloc, 3))
 196                             || kk->conditions == 100)
 197                                 continue;
 198                         tk[j++] = newloc;
 199                 }
 200                 tk[j] = odloc[i];                       /* 6016 */
 201                 if (j >= 2)
 202                         j--;
 203                 j = 1 + ran(j);
 204                 odloc[i] = dloc[i];
 205                 dloc[i] = tk[j];
 206                 dseen[i] = (dseen[i] && loc >= 15) ||
 207                     (dloc[i] == loc || odloc[i] == loc);
 208                 if (!dseen[i])                          /* i.e. goto 6030 */
 209                         continue;
 210                 dloc[i] = loc;
 211                 if (i == 6) {                           /* pirate's spotted him */
 212                         if (loc == chloc || prop[chest] >= 0)
 213                                 continue;
 214                         k = 0;
 215                         for (j = 50; j <= maxtrs; j++) { /* loop to 6020 */
 216                                 if (j == pyram && (loc == plac[pyram]
 217                                     || loc == plac[emrald]))
 218                                         goto l6020;
 219                                 if (toting(j))
 220                                         goto l6022;
 221 l6020:                          if (here(j))
 222                                         k = 1;
 223                         }                               /* 6020 */
 224                         if (tally == tally2 + 1 && k == 0 && place[chest] == 0
 225                             && here(lamp) && prop[lamp] == 1)
 226                                 goto l6025;
 227                         if (odloc[6] != dloc[6] && pct(20))
 228                                 rspeak(127);
 229                         continue;                       /* to 6030 */
 230 l6022:                  rspeak(128);
 231                         if (place[messag] == 0)
 232                                 move(chest, chloc);
 233                         move(messag, chloc2);
 234                         for (j = 50; j <= maxtrs; j++) { /* loop to 6023 */
 235                                 if (j == pyram && (loc == plac[pyram]
 236                                     || loc == plac[emrald]))
 237                                         continue;
 238                                 if (at(j) && fixed[j] == 0)
 239                                         carry(j, loc);
 240                                 if (toting(j))
 241                                         drop(j, chloc);
 242                         }
 243 l6024:                  dloc[6] = odloc[6] = chloc;
 244                         dseen[6] = FALSE;
 245                         continue;
 246 l6025:                  rspeak(186);
 247                         move(chest, chloc);
 248                         move(messag, chloc2);
 249                         goto l6024;
 250                 }
 251                 dtotal++;                               /* 6027 */
 252                 if (odloc[i] != dloc[i])
 253                         continue;
 254                 attack++;
 255                 if (knfloc >= 0)
 256                         knfloc = loc;
 257                 if (ran(1000) < 95 * (dflag - 2))
 258                         stick++;
 259         }                                               /* 6030 */
 260         if (dtotal == 0)
 261                 return (2000);
 262         if (dtotal != 1) {
 263                 printf("There are %d threatening little dwarves ", dtotal);
 264                 printf("in the room with you.\n");
 265         } else
 266                 rspeak(4);
 267         if (attack == 0)
 268                 return (2000);
 269         if (dflag == 2)
 270                 dflag = 3;
 271         if (saved != -1)
 272                 dflag = 20;
 273         if (attack != 1) {
 274                 printf("%d of them throw knives at you!\n", attack);
 275                 k = 6;
 276 l82:            if (stick <= 1) {                       /* 82 */
 277                         rspeak(k + stick);
 278                         if (stick == 0)
 279                                 return (2000);
 280                 } else
 281                         printf("%d of them get you!\n", stick); /* 83 */
 282                 oldlc2 = loc;
 283                 return (99);
 284         }
 285         rspeak(5);
 286         k = 52;
 287         goto l82;
 288 }
 289
 290 /* label 8 */
 291 int
 292 march(void)
 293 {
 294         int ll1, ll2;
 295
 296         if ((tkk = travel[newloc = loc]) == 0)
 297                 bug(26);
 298         if (k == null)
 299                 return (2);
 300         if (k == cave) {                                /* 40 */
 301                 if (loc < 8)
 302                         rspeak(57);
 303                 if (loc >= 8)
 304                         rspeak(58);
 305                 return (2);
 306         }
 307         if (k == look) {                                /* 30 */
 308                 if (detail++ < 3)
 309                         rspeak(15);
 310                 wzdark = FALSE;
 311                 abb[loc] = 0;
 312                 return (2);
 313         }
 314         if (k == back) {                                /* 20 */
 315                 switch (mback()) {
 316                 case 2:
 317                         return (2);
 318                 case 9:
 319                         goto l9;
 320                 default:
 321                         bug(100);
 322                 }
 323         }
 324         oldlc2 = oldloc;
 325         oldloc = loc;
 326 l9:
 327         for (; tkk != 0; tkk = tkk->next)
 328                 if (tkk->tverb == 1 || tkk->tverb == k)
 329                         break;
 330         if (tkk == 0) {
 331                 badmove();
 332                 return (2);
 333         }
 334 l11:    ll1 = tkk->conditions;                          /* 11 */
 335         ll2 = tkk->tloc;
 336         newloc = ll1;                                   /* newloc=conditions */
 337         k = newloc % 100;                               /* k used for prob */
 338         if (newloc <= 300) {
 339                 if (newloc <= 100) {                    /* 13 */
 340                         if (newloc != 0 && !pct(newloc)) /* 14 */
 341                                 goto l12;
 342 l16:                    newloc = ll2;                   /* newloc=location */
 343                         if (newloc <= 300)
 344                                 return (2);
 345                         if (newloc <= 500)
 346                                 switch (specials()) {   /* to 30000 */
 347                                 case 2:
 348                                         return (2);
 349                                 case 12:
 350                                         goto l12;
 351                                 case 99:
 352                                         return (99);
 353                                 default:
 354                                         bug(101);
 355                                 }
 356                         rspeak(newloc - 500);
 357                         newloc = loc;
 358                         return (2);
 359                 }
 360                 if (toting(k) || (newloc > 200 && at(k)))
 361                         goto l16;
 362                 goto l12;
 363         }
 364         if (prop[k] != (newloc / 100) - 3)      /* newloc still conditions */
 365                 goto l16;
 366 l12:                                    /* alternative to probability move */
 367         for (; tkk != 0; tkk = tkk->next)
 368                 if (tkk->tloc != ll2 || tkk->conditions != ll1)
 369                         break;
 370         if (tkk == 0)
 371                 bug(25);
 372         goto l11;
 373 }
 374
 375 /* 20 */
 376 static int
 377 mback(void)
 378 {
 379         struct travlist *tk2, *j;
 380         int ll;
 381
 382         if (forced(k = oldloc))                         /* k=location */
 383                 k = oldlc2;
 384         oldlc2 = oldloc;
 385         oldloc = loc;
 386         tk2 = 0;
 387         if (k == loc) {
 388                 rspeak(91);
 389                 return (2);
 390         }
 391         for (; tkk != 0; tkk = tkk->next) {             /* 21 */
 392                 ll = tkk->tloc;
 393                 if (ll == k) {
 394                         k = tkk->tverb;                 /* k back to verb */
 395                         tkk = travel[loc];
 396                         return (9);
 397                 }
 398                 if (ll <= 300) {
 399                         j = travel[loc];
 400                         if (forced(ll) && k == j->tloc)
 401                                 tk2 = tkk;
 402                 }
 403         }
 404         tkk = tk2;                                      /* 23 */
 405         if (tkk != 0) {
 406                 k = tkk->tverb;
 407                 tkk = travel[loc];
 408                 return (9);
 409         }
 410         rspeak(140);
 411         return (2);
 412 }
 413
 414 /* 30000 */
 415 static int
 416 specials(void)
 417 {
 418         switch (newloc -= 300) {
 419         case 1:                                         /* 30100 */
 420                 newloc = 99 + 100 - loc;
 421                 if (holdng == 0 || (holdng == 1 && toting(emrald)))
 422                         return (2);
 423                 newloc = loc;
 424                 rspeak(117);
 425                 return (2);
 426         case 2:                                         /* 30200 */
 427                 drop(emrald, loc);
 428                 return (12);
 429         case 3:                                         /* to 30300 */
 430                 return (trbridge());
 431         default:
 432                 bug(29);
 433         }
 434         /* NOTREACHED */
 435         return (-1);
 436 }
 437
 438 /* 30300 */
 439 static int
 440 trbridge(void)
 441 {
 442         if (prop[troll] == 1) {
 443                 pspeak(troll, 1);
 444                 prop[troll] = 0;
 445                 move(troll2, 0);
 446                 move(troll2 + 100, 0);
 447                 move(troll, plac[troll]);
 448                 move(troll + 100, fixd[troll]);
 449                 juggle(chasm);
 450                 newloc = loc;
 451                 return (2);
 452         }
 453         newloc = plac[troll] + fixd[troll] - loc;       /* 30310 */
 454         if (prop[troll] == 0)
 455                 prop[troll] = 1;
 456         if (!toting(bear))
 457                 return (2);
 458         rspeak(162);
 459         prop[chasm] = 1;
 460         prop[troll] = 2;
 461         drop(bear, newloc);
 462         fixed[bear] = -1;
 463         prop[bear] = 3;
 464         if (prop[spices] < 0)
 465                 tally2++;
 466         oldlc2 = newloc;
 467         return (99);
 468 }
 469
 470 /* 20 */
 471 static void
 472 badmove(void)
 473 {
 474         spk = 12;
 475         if (k >= 43 && k <= 50)
 476                 spk = 9;
 477         if (k == 29 || k == 30)
 478                 spk = 9;
 479         if (k == 7 || k == 36 || k == 37)
 480                 spk = 10;
 481         if (k == 11 || k == 19)
 482                 spk = 11;
 483         if (verb == find || verb == invent)
 484                 spk = 59;
 485         if (k == 62 || k == 65)
 486                 spk = 42;
 487         if (k == 17)
 488                 spk = 80;
 489         rspeak(spk);
 490 }
 491
 492 int
 493 bug(int n)
 494 {
 495         printf("Please tell jim@rand.org that fatal bug %d happened.\n", n);
 496         exit(1);
 497 }
 498
 499 /* 2600 etc */
 500 void
 501 checkhints(void)
 502 {
 503         int hint;
 504
 505         for (hint = 4; hint <= hntmax; hint++) {
 506                 if (hinted[hint])
 507                         continue;
 508                 if (!bitset(loc, hint))
 509                         hintlc[hint] = -1;
 510                 hintlc[hint]++;
 511                 if (hintlc[hint] < hints[hint][1])
 512                         continue;
 513                 switch (hint) {
 514                 case 4:                                 /* 40400 */
 515                         if (prop[grate] == 0 && !here(keys))
 516                                 goto l40010;
 517                         goto l40020;
 518                 case 5:                                 /* 40500 */
 519                         if (here(bird) && toting(rod) && obj == bird)
 520                                 goto l40010;
 521                         continue;                       /* i.e. goto l40030 */
 522                 case 6:                                 /* 40600 */
 523                         if (here(snake) && !here(bird))
 524                                 goto l40010;
 525                         goto l40020;
 526                 case 7:                                 /* 40700 */
 527                         if (atloc[loc] == 0 && atloc[oldloc] == 0
 528                             && atloc[oldlc2] == 0 && holdng > 1)
 529                                 goto l40010;
 530                         goto l40020;
 531                 case 8:                                 /* 40800 */
 532                         if (prop[emrald] != -1 && prop[pyram] == -1)
 533                                 goto l40010;
 534                         goto l40020;
 535                 case 9:                                 /* 40900 */
 536                         goto l40010;
 537                 default:
 538                         bug(27);
 539                 }
 540 l40010:         hintlc[hint] = 0;
 541                 if (!yes(hints[hint][3], 0, 54))
 542                         continue;
 543                 printf("I am prepared to give you a hint, but it will ");
 544                 printf("cost you %d points.\n", hints[hint][2]);
 545                 hinted[hint] = yes(175, hints[hint][4], 54);
 546 l40020:         hintlc[hint] = 0;
 547         }
 548 }
 549
 550 /* 9030 */
 551 int
 552 trsay(void)
 553 {
 554         int i;
 555
 556         if (wd2[0] != 0)
 557                 strcpy(wd1, wd2);
 558         i = vocab(wd1, -1, 0);
 559         if (i == 62 || i == 65 || i == 71 || i == 2025) {
 560                 wd2[0] = 0;
 561                 obj = 0;
 562                 return (2630);
 563         }
 564         printf("\nOkay, \"%s\".\n", wd2);
 565         return (2012);
 566 }
 567
 568 /* 9010 */
 569 int
 570 trtake(void)
 571 {
 572         if (toting(obj))                                /* 9010 */
 573                 return (2011);
 574         spk = 25;
 575         if (obj == plant && prop[plant] <= 0)
 576                 spk = 115;
 577         if (obj == bear && prop[bear] == 1)
 578                 spk = 169;
 579         if (obj == chain && prop[bear] != 0)
 580                 spk = 170;
 581         if (fixed[obj] != 0)
 582                 return (2011);
 583         if (obj == water || obj == oil) {
 584                 if (here(bottle) && liq() == obj) {
 585                         obj = bottle;
 586                         goto l9017;
 587                 }
 588                 obj = bottle;
 589                 if (toting(bottle) && prop[bottle] == 1)
 590                         return (9220);
 591                 if (prop[bottle] != 1)
 592                         spk = 105;
 593                 if (!toting(bottle))
 594                         spk = 104;
 595                 return (2011);
 596         }
 597 l9017:  if (holdng >= 7) {
 598                 rspeak(92);
 599                 return (2012);
 600         }
 601         if (obj == bird) {
 602                 if (prop[bird] != 0)
 603                         goto l9014;
 604                 if (toting(rod)) {
 605                         rspeak(26);
 606                         return (2012);
 607                 }
 608                 if (!toting(cage)) {                    /* 9013 */
 609                         rspeak(27);
 610                         return (2012);
 611                 }
 612                 prop[bird] = 1;                         /* 9015 */
 613         }
 614 l9014:  if ((obj == bird || obj == cage) && prop[bird] != 0)
 615                 carry(bird + cage - obj, loc);
 616         carry(obj, loc);
 617         k = liq();
 618         if (obj == bottle && k != 0)
 619                 place[k] = -1;
 620         return (2009);
 621 }
 622
 623 /* 9021 */
 624 static int
 625 dropper(void)
 626 {
 627         k = liq();
 628         if (k == obj)
 629                 obj = bottle;
 630         if (obj == bottle && k != 0)
 631                 place[k] = 0;
 632         if (obj == cage && prop[bird] != 0)
 633                 drop(bird, loc);
 634         if (obj == bird)
 635                 prop[bird] = 0;
 636         drop(obj, loc);
 637         return (2012);
 638 }
 639
 640 /* 9020 */
 641 int
 642 trdrop(void)
 643 {
 644         if (toting(rod2) && obj == rod && !toting(rod))
 645                 obj = rod2;
 646         if (!toting(obj))
 647                 return (2011);
 648         if (obj == bird && here(snake)) {
 649                 rspeak(30);
 650                 if (closed)
 651                         return (19000);
 652                 dstroy(snake);
 653                 prop[snake] = 1;
 654                 return (dropper());
 655         }
 656         if (obj == coins && here(vend)) {               /* 9024 */
 657                 dstroy(coins);
 658                 drop(batter, loc);
 659                 pspeak(batter, 0);
 660                 return (2012);
 661         }
 662         if (obj == bird && at(dragon) && prop[dragon] == 0) {   /* 9025 */
 663                 rspeak(154);
 664                 dstroy(bird);
 665                 prop[bird] = 0;
 666                 if (place[snake] == plac[snake])
 667                         tally2--;
 668                 return (2012);
 669         }
 670         if (obj == bear && at(troll)) {                 /* 9026 */
 671                 rspeak(163);
 672                 move(troll, 0);
 673                 move(troll + 100, 0);
 674                 move(troll2, plac[troll]);
 675                 move(troll2 + 100, fixd[troll]);
 676                 juggle(chasm);
 677                 prop[troll] = 2;
 678                 return (dropper());
 679         }
 680         if (obj != vase || loc == plac[pillow]) {       /* 9027 */
 681                 rspeak(54);
 682                 return (dropper());
 683         }
 684         prop[vase] = 2;                                 /* 9028 */
 685         if (at(pillow))
 686                 prop[vase] = 0;
 687         pspeak(vase, prop[vase] + 1);
 688         if (prop[vase] != 0)
 689                 fixed[vase] = -1;
 690         return (dropper());
 691 }
 692
 693 /* 9040 */
 694 int
 695 tropen(void)
 696 {
 697         if (obj == clam || obj == oyster) {
 698                 k = 0;                                  /* 9046 */
 699                 if (obj == oyster)
 700                         k = 1;
 701                 spk = 124 + k;
 702                 if (toting(obj))
 703                         spk = 120 + k;
 704                 if (!toting(tridnt))
 705                         spk = 122 + k;
 706                 if (verb == lock)
 707                         spk = 61;
 708                 if (spk != 124)
 709                         return (2011);
 710                 dstroy(clam);
 711                 drop(oyster, loc);
 712                 drop(pearl, 105);
 713                 return (2011);
 714         }
 715         if (obj == door)
 716                 spk = 111;
 717         if (obj == door && prop[door] == 1)
 718                 spk = 54;
 719         if (obj == cage)
 720                 spk = 32;
 721         if (obj == keys)
 722                 spk = 55;
 723         if (obj == grate || obj == chain)
 724                 spk = 31;
 725         if (spk != 31 || !here(keys))
 726                 return (2011);
 727         if (obj == chain) {
 728                 if (verb == lock) {
 729                         spk = 172;                      /* 9049: lock */
 730                         if (prop[chain] != 0)
 731                                 spk = 34;
 732                         if (loc != plac[chain])
 733                                 spk = 173;
 734                         if (spk != 172)
 735                                 return (2011);
 736                         prop[chain] = 2;
 737                         if (toting(chain))
 738                                 drop(chain, loc);
 739                         fixed[chain] = -1;
 740                         return (2011);
 741                 }
 742                 spk = 171;
 743                 if (prop[bear] == 0)
 744                         spk = 41;
 745                 if (prop[chain] == 0)
 746                         spk = 37;
 747                 if (spk != 171)
 748                         return (2011);
 749                 prop[chain] = 0;
 750                 fixed[chain] = 0;
 751                 if (prop[bear] != 3)
 752                         prop[bear] = 2;
 753                 fixed[bear] = 2 - prop[bear];
 754                 return (2011);
 755         }
 756         if (closng) {
 757                 k = 130;
 758                 if (!panic)
 759                         clock2 = 15;
 760                 panic = TRUE;
 761                 return (2010);
 762         }
 763         k = 34 + prop[grate];                           /* 9043 */
 764         prop[grate] = 1;
 765         if (verb == lock)
 766                 prop[grate] = 0;
 767         k = k + 2 * prop[grate];
 768         return (2010);
 769 }
 770
 771 /* 9120 */
 772 int
 773 trkill(void)
 774 {
 775         int i;
 776
 777         for (i = 1; i <= 5; i++)
 778                 if (dloc[i] == loc && dflag >= 2)
 779                         break;
 780         if (i == 6)
 781                 i = 0;
 782         if (obj == 0) {                                 /* 9122 */
 783                 if (i != 0)
 784                         obj = dwarf;
 785                 if (here(snake))
 786                         obj = obj * 100 + snake;
 787                 if (at(dragon) && prop[dragon] == 0)
 788                         obj = obj * 100 + dragon;
 789                 if (at(troll))
 790                         obj = obj * 100 + troll;
 791                 if (here(bear) && prop[bear] == 0)
 792                         obj = obj * 100 + bear;
 793                 if (obj > 100)
 794                         return (8000);
 795                 if (obj == 0) {
 796                         if (here(bird) && verb != throw)
 797                                 obj = bird;
 798                         if (here(clam) || here(oyster))
 799                                 obj = 100 * obj + clam;
 800                         if (obj > 100)
 801                                 return (8000);
 802                 }
 803         }
 804         if (obj == bird) {                              /* 9124 */
 805                 spk = 137;
 806                 if (closed)
 807                         return (2011);
 808                 dstroy(bird);
 809                 prop[bird] = 0;
 810                 if (place[snake] == plac[snake])
 811                         tally2++;
 812                 spk = 45;
 813         }
 814         if (obj == 0)                                   /* 9125 */
 815                 spk = 44;
 816         if (obj == clam || obj == oyster)
 817                 spk = 150;
 818         if (obj == snake)
 819                 spk = 46;
 820         if (obj == dwarf)
 821                 spk = 49;
 822         if (obj == dwarf && closed)
 823                 return (19000);
 824         if (obj == dragon)
 825                 spk = 147;
 826         if (obj == troll)
 827                 spk = 157;
 828         if (obj == bear)
 829                 spk = 165 + (prop[bear] + 1) / 2;
 830         if (obj != dragon || prop[dragon] != 0)
 831                 return (2011);
 832         rspeak(49);
 833         verb = 0;
 834         obj = 0;
 835         getin(&wd1, &wd2);
 836         if (strncmp(wd1, "y", 1) && strncmp(wd1, "yes", 3))
 837                 return (2608);
 838         pspeak(dragon, 1);
 839         prop[dragon] = 2;
 840         prop[rug] = 0;
 841         k = (plac[dragon] + fixd[dragon]) / 2;
 842         move(dragon + 100, -1);
 843         move(rug + 100, 0);
 844         move(dragon, k);
 845         move(rug, k);
 846         for (obj = 1; obj <= 100; obj++)
 847                 if (place[obj] == plac[dragon] || place[obj] == fixd[dragon])
 848                         move(obj, k);
 849         loc = k;
 850         k = null;
 851         return (8);
 852 }
 853
 854 /* 9170: throw */
 855 int
 856 trtoss(void)
 857 {
 858         int i;
 859
 860         if (toting(rod2) && obj == rod && !toting(rod))
 861                 obj = rod2;
 862         if (!toting(obj))
 863                 return (2011);
 864         if (obj >= 50 && obj <= maxtrs && at(troll)) {
 865                 spk = 159;                              /* 9178 */
 866                 drop(obj, 0);
 867                 move(troll, 0);
 868                 move(troll + 100, 0);
 869                 drop(troll2, plac[troll]);
 870                 drop(troll2 + 100, fixd[troll]);
 871                 juggle(chasm);
 872                 return (2011);
 873         }
 874         if (obj == food && here(bear)) {
 875                 obj = bear;                             /* 9177 */
 876                 return (9210);
 877         }
 878         if (obj != axe)
 879                 return (9020);
 880         for (i = 1; i <= 5; i++) {
 881                 if (dloc[i] == loc) {
 882                         spk = 48;                       /* 9172 */
 883                         if (ran(3) == 0 || saved != -1) {
 884 l9175:                          rspeak(spk);
 885                                 drop(axe, loc);
 886                                 k = null;
 887                                 return (8);
 888                         }
 889                         dseen[i] = FALSE;
 890                         dloc[i] = 0;
 891                         spk = 47;
 892                         dkill++;
 893                         if (dkill == 1)
 894                                 spk = 149;
 895                         goto l9175;
 896                 }
 897         }
 898         spk = 152;
 899         if (at(dragon) && prop[dragon] == 0)
 900                 goto l9175;
 901         spk = 158;
 902         if (at(troll))
 903                 goto l9175;
 904         if (here(bear) && prop[bear] == 0) {
 905                 spk = 164;
 906                 drop(axe, loc);
 907                 fixed[axe] = -1;
 908                 prop[axe] = 1;
 909                 juggle(bear);
 910                 return (2011);
 911         }
 912         obj = 0;
 913         return (9120);
 914 }
 915
 916 /* 9210 */
 917 int
 918 trfeed(void)
 919 {
 920         if (obj == bird) {
 921                 spk = 100;
 922                 return (2011);
 923         }
 924         if (obj == snake || obj == dragon || obj == troll) {
 925                 spk = 102;
 926                 if (obj == dragon && prop[dragon] != 0)
 927                         spk = 110;
 928                 if (obj == troll)
 929                         spk = 182;
 930                 if (obj != snake || closed || !here(bird))
 931                         return (2011);
 932                 spk = 101;
 933                 dstroy(bird);
 934                 prop[bird] = 0;
 935                 tally2++;
 936                 return (2011);
 937         }
 938         if (obj == dwarf) {
 939                 if (!here(food))
 940                         return (2011);
 941                 spk = 103;
 942                 dflag++;
 943                 return (2011);
 944         }
 945         if (obj == bear) {
 946                 if (prop[bear] == 0)
 947                         spk = 102;
 948                 if (prop[bear] == 3)
 949                         spk = 110;
 950                 if (!here(food))
 951                         return (2011);
 952                 dstroy(food);
 953                 prop[bear] = 1;
 954                 fixed[axe] = 0;
 955                 prop[axe] = 0;
 956                 spk = 168;
 957                 return (2011);
 958         }
 959         spk = 14;
 960         return (2011);
 961 }
 962
 963 /* 9220 */
 964 int
 965 trfill(void)
 966 {
 967         if (obj == vase) {
 968                 spk = 29;
 969                 if (liqloc(loc) == 0)
 970                         spk = 144;
 971                 if (liqloc(loc) == 0 || !toting(vase))
 972                         return (2011);
 973                 rspeak(145);
 974                 prop[vase] = 2;
 975                 fixed[vase] = -1;
 976                 return (9020);                  /* advent/10 goes to 9024 */
 977         }
 978         if (obj != 0 && obj != bottle)
 979                 return (2011);
 980         if (obj == 0 && !here(bottle))
 981                 return (8000);
 982         spk = 107;
 983         if (liqloc(loc) == 0)
 984                 spk = 106;
 985         if (liq() != 0)
 986                 spk = 105;
 987         if (spk != 107)
 988                 return (2011);
 989         prop[bottle] = ((cond[loc] % 4) / 2) * 2;
 990         k = liq();
 991         if (toting(bottle))
 992                 place[k] = -1;
 993         if (k == oil)
 994                 spk = 108;
 995         return (2011);
 996 }
 997
 998 /* 10000 */
 999 void
1000 closing(void)
1001 {
1002         int i;
1003
1004         prop[grate] = prop[fissur] = 0;
1005         for (i = 1; i <= 6; i++) {
1006                 dseen[i] = FALSE;
1007                 dloc[i] = 0;
1008         }
1009         move(troll, 0);
1010         move(troll + 100, 0);
1011         move(troll2, plac[troll]);
1012         move(troll2 + 100, fixd[troll]);
1013         juggle(chasm);
1014         if (prop[bear] != 3)
1015                 dstroy(bear);
1016         prop[chain] = 0;
1017         fixed[chain] = 0;
1018         prop[axe] = 0;
1019         fixed[axe] = 0;
1020         rspeak(129);
1021         clock1 = -1;
1022         closng = TRUE;
1023 }
1024
1025 /* 11000 */
1026 void
1027 caveclose(void)
1028 {
1029         int i;
1030
1031         prop[bottle] = put(bottle, 115, 1);
1032         prop[plant] = put(plant, 115, 0);
1033         prop[oyster] = put(oyster, 115, 0);
1034         prop[lamp] = put(lamp, 115, 0);
1035         prop[rod] = put(rod, 115, 0);
1036         prop[dwarf] = put(dwarf, 115, 0);
1037         loc = 115;
1038         oldloc = 115;
1039         newloc = 115;
1040
1041         put(grate, 116, 0);
1042         prop[snake] = put(snake, 116, 1);
1043         prop[bird] = put(bird, 116, 1);
1044         prop[cage] = put(cage, 116, 0);
1045         prop[rod2] = put(rod2, 116, 0);
1046         prop[pillow] = put(pillow, 116, 0);
1047
1048         prop[mirror] = put(mirror, 115, 0);
1049         fixed[mirror] = 116;
1050
1051         for (i = 1; i <= 100; i++)
1052                 if (toting(i))
1053                         dstroy(i);
1054         rspeak(132);
1055         closed = TRUE;
1056 }