actions.c

   1 #include <stdlib.h>
   2 #include <stdbool.h>
   3 #include <string.h>
   4 #include "advent.h"
   5 #include "dungeon.h"
   6
   7 static int fill(token_t, token_t);
   8
   9 static void state_change(long obj, long state)
  10 {
  11     game.prop[obj] = state;
  12     pspeak(obj, change, state, true);
  13 }
  14
  15 static int attack(struct command_t *command)
  16 /*  Attack.  Assume target if unambiguous.  "Throw" also links here.
  17  *  Attackable objects fall into two categories: enemies (snake,
  18  *  dwarf, etc.)  and others (bird, clam, machine).  Ambiguous if 2
  19  *  enemies, or no enemies but 2 others. */
  20 {
  21     vocab_t verb = command->verb;
  22     vocab_t obj = command->obj;
  23
  24     if (obj == NO_OBJECT ||
  25         obj == INTRANSITIVE) {
  26         int changes = 0;
  27         if (atdwrf(game.loc) > 0) {
  28             obj = DWARF;
  29             ++changes;
  30         }
  31         if (HERE(SNAKE)) {
  32             obj = SNAKE;
  33             ++changes;
  34         }
  35         if (AT(DRAGON) && game.prop[DRAGON] == DRAGON_BARS) {
  36             obj = DRAGON;
  37             ++changes;
  38         }
  39         if (AT(TROLL)) {
  40             obj = TROLL;
  41             ++changes;
  42         }
  43         if (AT(OGRE)) {
  44             obj = OGRE;
  45             ++changes;
  46         }
  47         if (HERE(BEAR) && game.prop[BEAR] == UNTAMED_BEAR) {
  48             obj = BEAR;
  49             ++changes;
  50         }
  51         /* check for low-priority targets */
  52         if (obj == NO_OBJECT) {
  53             /* Can't attack bird or machine by throwing axe. */
  54             if (HERE(BIRD) && verb != THROW) {
  55                 obj = BIRD;
  56                 ++changes;
  57             }
  58             if (HERE(VEND) && verb != THROW) {
  59                 obj = VEND;
  60                 ++changes;
  61             }
  62             /* Clam and oyster both treated as clam for intransitive case;
  63              * no harm done. */
  64             if (HERE(CLAM) || HERE(OYSTER)) {
  65                 obj = CLAM;
  66                 ++changes;
  67             }
  68         }
  69         if (changes >= 2)
  70             return GO_UNKNOWN;
  71     }
  72
  73     if (obj == BIRD) {
  74         if (game.closed) {
  75             rspeak(UNHAPPY_BIRD);
  76         } else {
  77             DESTROY(BIRD);
  78             rspeak(BIRD_DEAD);
  79         }
  80         return GO_CLEAROBJ;
  81     }
  82     if (obj == VEND) {
  83         state_change(VEND,
  84                      game.prop[VEND] == VEND_BLOCKS ? VEND_UNBLOCKS : VEND_BLOCKS);
  85         return GO_CLEAROBJ;
  86     }
  87
  88     if (obj == BEAR) {
  89         switch (game.prop[BEAR]) {
  90         case UNTAMED_BEAR:
  91             rspeak(BEAR_HANDS);
  92             break;
  93         case SITTING_BEAR:
  94             rspeak(BEAR_CONFUSED);
  95             break;
  96         case CONTENTED_BEAR:
  97             rspeak(BEAR_CONFUSED);
  98             break;
  99         case BEAR_DEAD:
 100             rspeak(ALREADY_DEAD);
 101             break;
 102         }
 103         return GO_CLEAROBJ;
 104     }
 105     if (obj == DRAGON && game.prop[DRAGON] == DRAGON_BARS) {
 106         /*  Fun stuff for dragon.  If he insists on attacking it, win!
 107          *  Set game.prop to dead, move dragon to central loc (still
 108          *  fixed), move rug there (not fixed), and move him there,
 109          *  too.  Then do a null motion to get new description. */
 110         rspeak(BARE_HANDS_QUERY);
 111         if (silent_yes()) {
 112             // FIXME: setting wd1 is a workaround for broken logic
 113             command->wd1 = token_to_packed("Y");
 114         } else {
 115             // FIXME: setting wd1 is a workaround for broken logic
 116             command->wd1 = token_to_packed("N");
 117             return GO_CHECKFOO;
 118         }
 119         state_change(DRAGON, DRAGON_DEAD);
 120         game.prop[RUG] = RUG_FLOOR;
 121         /* FIXME: Arithmetic on location values */
 122         int k = (objects[DRAGON].plac + objects[DRAGON].fixd) / 2;
 123         move(DRAGON + NOBJECTS, -1);
 124         move(RUG + NOBJECTS, 0);
 125         move(DRAGON, k);
 126         move(RUG, k);
 127         drop(BLOOD, k);
 128         for (obj = 1; obj <= NOBJECTS; obj++) {
 129             if (game.place[obj] == objects[DRAGON].plac ||
 130                 game.place[obj] == objects[DRAGON].fixd)
 131                 move(obj, k);
 132         }
 133         game.loc = k;
 134         return GO_MOVE;
 135     }
 136
 137     if (obj == OGRE) {
 138         rspeak(OGRE_DODGE);
 139         if (atdwrf(game.loc) == 0)
 140             return GO_CLEAROBJ;
 141
 142         rspeak(KNIFE_THROWN);
 143         DESTROY(OGRE);
 144         int dwarves = 0;
 145         for (int i = 1; i < PIRATE; i++) {
 146             if (game.dloc[i] == game.loc) {
 147                 ++dwarves;
 148                 game.dloc[i] = LOC_LONGWEST;
 149                 game.dseen[i] = false;
 150             }
 151         }
 152         rspeak((dwarves > 1) ?
 153                OGRE_PANIC1 :
 154                OGRE_PANIC2);
 155         return GO_CLEAROBJ;
 156     }
 157
 158     switch (obj) {
 159     case NO_OBJECT:
 160         rspeak(NO_TARGET);
 161         break;
 162     case CLAM:
 163     case OYSTER:
 164         rspeak(SHELL_IMPERVIOUS);
 165         break;
 166     case SNAKE:
 167         rspeak(SNAKE_WARNING);
 168         break;
 169     case DWARF:
 170         if (game.closed) {
 171             return GO_DWARFWAKE;
 172         }
 173         rspeak(BARE_HANDS_QUERY);
 174         break;
 175     case DRAGON:
 176         rspeak(ALREADY_DEAD);
 177         break;
 178     case TROLL:
 179         rspeak(ROCKY_TROLL);
 180         break;
 181     default:
 182         rspeak(actions[verb].message);
 183     }
 184     return GO_CLEAROBJ;
 185 }
 186
 187 static int bigwords(token_t foo)
 188 /*  FEE FIE FOE FOO (AND FUM).  Advance to next state if given in proper order.
 189  *  Look up foo in special section of vocab to determine which word we've got.
 190  *  Last word zips the eggs back to the giant room (unless already there). */
 191 {
 192     char word[TOKLEN + 1];
 193     packed_to_token(foo, word);
 194     int k = (int) get_special_vocab_id(word);
 195     if (game.foobar != 1 - k) {
 196         if (game.foobar != 0 && game.loc == LOC_GIANTROOM) {
 197             rspeak( START_OVER);
 198         } else {
 199             rspeak(NOTHING_HAPPENS);
 200         }
 201         return GO_CLEAROBJ;
 202     } else {
 203         game.foobar = k;
 204         if (k != 4) {
 205             rspeak(OK_MAN);
 206             return GO_CLEAROBJ;
 207         }
 208         game.foobar = 0;
 209         if (game.place[EGGS] == objects[EGGS].plac ||
 210             (TOTING(EGGS) && game.loc == objects[EGGS].plac)) {
 211             rspeak(NOTHING_HAPPENS);
 212             return GO_CLEAROBJ;
 213         } else {
 214             /*  Bring back troll if we steal the eggs back from him before
 215              *  crossing. */
 216             if (game.place[EGGS] == LOC_NOWHERE && game.place[TROLL] == LOC_NOWHERE && game.prop[TROLL] == TROLL_UNPAID)
 217                 game.prop[TROLL] = TROLL_PAIDONCE;
 218             k = EGGS_DONE;
 219             if (HERE(EGGS))
 220                 k = EGGS_VANISHED;
 221             if (game.loc == objects[EGGS].plac)
 222                 k = EGGS_HERE;
 223             move(EGGS, objects[EGGS].plac);
 224             pspeak(EGGS, look, k, true);
 225             return GO_CLEAROBJ;
 226         }
 227     }
 228 }
 229
 230 static void blast(void)
 231 /*  Blast.  No effect unless you've got dynamite, which is a neat trick! */
 232 {
 233     if (game.prop[ROD2] < 0 ||
 234         !game.closed)
 235         rspeak(REQUIRES_DYNAMITE);
 236     else {
 237         game.bonus = VICTORY_MESSAGE;
 238         if (game.loc == LOC_NE)
 239             game.bonus = DEFEAT_MESSAGE;
 240         if (HERE(ROD2))
 241             game.bonus = SPLATTER_MESSAGE;
 242         rspeak(game.bonus);
 243         terminate(endgame);
 244     }
 245 }
 246
 247 static int vbreak(token_t verb, token_t obj)
 248 /*  Break.  Only works for mirror in repository and, of course, the vase. */
 249 {
 250     if (obj == MIRROR) {
 251         if (game.closed) {
 252             rspeak(BREAK_MIRROR);
 253             return GO_DWARFWAKE;
 254         } else {
 255             rspeak(TOO_FAR);
 256             return GO_CLEAROBJ;
 257         }
 258     }
 259     if (obj == VASE && game.prop[VASE] == VASE_WHOLE) {
 260         if (TOTING(VASE))
 261             drop(VASE, game.loc);
 262         state_change(VASE, VASE_BROKEN);
 263         game.fixed[VASE] = -1;
 264         return GO_CLEAROBJ;
 265     }
 266     rspeak(actions[verb].message);
 267     return (GO_CLEAROBJ);
 268 }
 269
 270 static int brief(void)
 271 /*  Brief.  Intransitive only.  Suppress long descriptions after first time. */
 272 {
 273     game.abbnum = 10000;
 274     game.detail = 3;
 275     rspeak(BRIEF_CONFIRM);
 276     return GO_CLEAROBJ;
 277 }
 278
 279 static int vcarry(token_t verb, token_t obj)
 280 /*  Carry an object.  Special cases for bird and cage (if bird in cage, can't
 281  *  take one without the other).  Liquids also special, since they depend on
 282  *  status of bottle.  Also various side effects, etc. */
 283 {
 284     int spk;
 285     if (obj == INTRANSITIVE) {
 286         /*  Carry, no object given yet.  OK if only one object present. */
 287         if (game.atloc[game.loc] == 0 ||
 288             game.link[game.atloc[game.loc]] != 0 ||
 289             atdwrf(game.loc) > 0)
 290             return GO_UNKNOWN;
 291         obj = game.atloc[game.loc];
 292     }
 293
 294     if (TOTING(obj)) {
 295         rspeak(ALREADY_CARRYING);
 296         return GO_CLEAROBJ;
 297     }
 298     spk = YOU_JOKING;
 299     if (obj == PLANT && game.prop[PLANT] <= 0)
 300         spk = DEEP_ROOTS;
 301     if (obj == BEAR && game.prop[BEAR] == SITTING_BEAR)
 302         spk = BEAR_CHAINED;
 303     if (obj == CHAIN && game.prop[BEAR] != UNTAMED_BEAR)
 304         spk = STILL_LOCKED;
 305     if (obj == URN)
 306         spk = URN_NOBUDGE;
 307     if (obj == CAVITY)
 308         spk = DOUGHNUT_HOLES;
 309     if (obj == BLOOD)
 310         spk = FEW_DROPS;
 311     if (obj == RUG && game.prop[RUG] == RUG_HOVER)
 312         spk = RUG_HOVERS;
 313     if (obj == SIGN)
 314         spk = HAND_PASSTHROUGH;
 315     if (obj == MESSAG) {
 316         rspeak(REMOVE_MESSAGE);
 317         DESTROY(MESSAG);
 318         return GO_CLEAROBJ;
 319     }
 320     if (game.fixed[obj] != 0) {
 321         rspeak(spk);
 322         return GO_CLEAROBJ;
 323     }
 324     if (obj == WATER ||
 325         obj == OIL) {
 326         if (!HERE(BOTTLE) ||
 327             LIQUID() != obj) {
 328             if (TOTING(BOTTLE) && game.prop[BOTTLE] == EMPTY_BOTTLE)
 329                 return (fill(verb, BOTTLE));
 330             else {
 331                 if (game.prop[BOTTLE] != EMPTY_BOTTLE)
 332                     spk = BOTTLE_FULL;
 333                 if (!TOTING(BOTTLE))
 334                     spk = NO_CONTAINER;
 335                 rspeak(spk);
 336                 return GO_CLEAROBJ;
 337             }
 338         }
 339         obj = BOTTLE;
 340     }
 341
 342     spk = CARRY_LIMIT;
 343     if (game.holdng >= INVLIMIT) {
 344         rspeak(spk);
 345         return GO_CLEAROBJ;
 346     } else if (obj == BIRD && game.prop[BIRD] != BIRD_CAGED && -1 - game.prop[BIRD] != BIRD_CAGED) {
 347         if (game.prop[BIRD] == BIRD_FOREST_UNCAGED) {
 348             DESTROY(BIRD);
 349             rspeak(BIRD_CRAP);
 350             return GO_CLEAROBJ;
 351         }
 352         if (!TOTING(CAGE))
 353             spk = CANNOT_CARRY;
 354         if (TOTING(ROD))
 355             spk = BIRD_EVADES;
 356         if (spk == CANNOT_CARRY ||
 357             spk == BIRD_EVADES) {
 358             rspeak(spk);
 359             return GO_CLEAROBJ;
 360         }
 361         game.prop[BIRD] = BIRD_CAGED;
 362     }
 363     /* FIXME: Arithmetic on state numbers */
 364     if ((obj == BIRD ||
 365          obj == CAGE) &&
 366         (game.prop[BIRD] == BIRD_CAGED ||
 367          -1 - game.prop[BIRD] == 1))
 368         carry(BIRD + CAGE - obj, game.loc);
 369     carry(obj, game.loc);
 370     if (obj == BOTTLE && LIQUID() != 0)
 371         game.place[LIQUID()] = CARRIED;
 372     if (GSTONE(obj) && game.prop[obj] != 0) {
 373         game.prop[obj] = STATE_GROUND;
 374         game.prop[CAVITY] = CAVITY_EMPTY;
 375     }
 376     rspeak(OK_MAN);
 377     return GO_CLEAROBJ;
 378 }
 379
 380 static int chain(token_t verb)
 381 /* Do something to the bear's chain */
 382 {
 383     if (verb != LOCK) {
 384         if (game.prop[BEAR] == UNTAMED_BEAR) {
 385             rspeak(BEAR_BLOCKS);
 386             return GO_CLEAROBJ;
 387         }
 388         if (game.prop[CHAIN] == CHAIN_HEAP) {
 389             rspeak(ALREADY_UNLOCKED);
 390             return GO_CLEAROBJ;
 391         }
 392         game.prop[CHAIN] = CHAIN_HEAP;
 393         game.fixed[CHAIN] = CHAIN_HEAP;
 394         if (game.prop[BEAR] != BEAR_DEAD)
 395             game.prop[BEAR] = CONTENTED_BEAR;
 396
 397         switch (game.prop[BEAR]) {
 398         case BEAR_DEAD:
 399             game.fixed[BEAR] = -1;
 400             break;
 401         default:
 402             game.fixed[BEAR] = 0;
 403         }
 404         rspeak(CHAIN_UNLOCKED);
 405         return GO_CLEAROBJ;
 406     }
 407
 408     if (game.prop[CHAIN] != CHAIN_HEAP) {
 409         rspeak(ALREADY_LOCKED);
 410         return GO_CLEAROBJ;
 411     }
 412     if (game.loc != objects[CHAIN].plac) {
 413         rspeak(NO_LOCKSITE);
 414         return GO_CLEAROBJ;
 415     }
 416
 417     game.prop[CHAIN] = CHAIN_FIXED;
 418
 419     if (TOTING(CHAIN))
 420         drop(CHAIN, game.loc);
 421     game.fixed[CHAIN] = -1;
 422
 423     rspeak(CHAIN_LOCKED);
 424     return GO_CLEAROBJ;
 425 }
 426
 427 static int discard(token_t verb, token_t obj, bool just_do_it)
 428 /*  Discard object.  "Throw" also comes here for most objects.  Special cases for
 429  *  bird (might attack snake or dragon) and cage (might contain bird) and vase.
 430  *  Drop coins at vending machine for extra batteries. */
 431 {
 432     int spk = actions[verb].message;
 433     if (!just_do_it) {
 434         if (TOTING(ROD2) && obj == ROD && !TOTING(ROD))
 435             obj = ROD2;
 436         if (!TOTING(obj)) {
 437             rspeak(spk);
 438             return GO_CLEAROBJ;
 439         }
 440         if (obj == BIRD && HERE(SNAKE)) {
 441             rspeak(BIRD_ATTACKS);
 442             if (game.closed)
 443                 return GO_DWARFWAKE;
 444             DESTROY(SNAKE);
 445             /* Set game.prop for use by travel options */
 446             game.prop[SNAKE] = SNAKE_CHASED;
 447
 448         } else if ((GSTONE(obj) && AT(CAVITY) && game.prop[CAVITY] != CAVITY_FULL)) {
 449             rspeak(GEM_FITS);
 450             game.prop[obj] = 1;
 451             game.prop[CAVITY] = CAVITY_FULL;
 452             if (HERE(RUG) && ((obj == EMERALD && game.prop[RUG] != RUG_HOVER) ||
 453                               (obj == RUBY && game.prop[RUG] == RUG_HOVER))) {
 454                 spk = RUG_RISES;
 455                 if (TOTING(RUG))
 456                     spk = RUG_WIGGLES;
 457                 if (obj == RUBY)
 458                     spk = RUG_SETTLES;
 459                 rspeak(spk);
 460                 if (spk != RUG_WIGGLES) {
 461                     /* FIXME: Arithmetic on state numbers */
 462                     int k = 2 - game.prop[RUG];
 463                     game.prop[RUG] = k;
 464                     if (k == 2)
 465                         k = objects[SAPPH].plac;
 466                     move(RUG + NOBJECTS, k);
 467                 }
 468             }
 469         } else if (obj == COINS && HERE(VEND)) {
 470             DESTROY(COINS);
 471             drop(BATTERY, game.loc);
 472             pspeak(BATTERY, look, FRESH_BATTERIES, true);
 473             return GO_CLEAROBJ;
 474         } else if (obj == BIRD && AT(DRAGON) && game.prop[DRAGON] == DRAGON_BARS) {
 475             rspeak(BIRD_BURNT);
 476             DESTROY(BIRD);
 477             return GO_CLEAROBJ;
 478         } else if (obj == BEAR && AT(TROLL)) {
 479             state_change(TROLL, TROLL_GONE);
 480             move(TROLL, LOC_NOWHERE);
 481             move(TROLL + NOBJECTS, LOC_NOWHERE);
 482             move(TROLL2, objects[TROLL].plac);
 483             move(TROLL2 + NOBJECTS, objects[TROLL].fixd);
 484             juggle(CHASM);
 485         } else if (obj != VASE ||
 486                    game.loc == objects[PILLOW].plac) {
 487             rspeak(OK_MAN);
 488         } else {
 489             game.prop[VASE] = VASE_BROKEN;
 490             if (AT(PILLOW))
 491                 game.prop[VASE] = VASE_WHOLE;
 492             pspeak(VASE, look, game.prop[VASE] + 1, true);
 493             if (game.prop[VASE] != VASE_WHOLE)
 494                 game.fixed[VASE] = -1;
 495         }
 496     }
 497     int k = LIQUID();
 498     if (k == obj)
 499         obj = BOTTLE;
 500     if (obj == BOTTLE && k != 0)
 501         game.place[k] = LOC_NOWHERE;
 502     if (obj == CAGE && game.prop[BIRD] == BIRD_CAGED)
 503         drop(BIRD, game.loc);
 504     drop(obj, game.loc);
 505     if (obj != BIRD)
 506         return GO_CLEAROBJ;
 507     game.prop[BIRD] = BIRD_UNCAGED;
 508     if (FOREST(game.loc))
 509         game.prop[BIRD] = BIRD_FOREST_UNCAGED;
 510     return GO_CLEAROBJ;
 511 }
 512
 513 static int drink(token_t verb, token_t obj)
 514 /*  Drink.  If no object, assume water and look for it here.  If water is in
 515  *  the bottle, drink that, else must be at a water loc, so drink stream. */
 516 {
 517     if (obj == NO_OBJECT && LIQLOC(game.loc) != WATER &&
 518         (LIQUID() != WATER || !HERE(BOTTLE))) {
 519         return GO_UNKNOWN;
 520     }
 521
 522     if (obj == BLOOD) {
 523         DESTROY(BLOOD);
 524         state_change(DRAGON, DRAGON_BLOODLESS);
 525         game.blooded = true;
 526         return GO_CLEAROBJ;
 527     }
 528
 529     if (obj != NO_OBJECT && obj != WATER) {
 530         rspeak(RIDICULOUS_ATTEMPT);
 531         return GO_CLEAROBJ;
 532     }
 533     if (LIQUID() == WATER && HERE(BOTTLE)) {
 534         game.prop[BOTTLE] = EMPTY_BOTTLE;
 535         game.place[WATER] = LOC_NOWHERE;
 536         rspeak(BOTTLE_EMPTY);
 537         return GO_CLEAROBJ;
 538     }
 539
 540     rspeak(actions[verb].message);
 541     return GO_CLEAROBJ;
 542 }
 543
 544 static int eat(token_t verb, token_t obj)
 545 /*  Eat.  Intransitive: assume food if present, else ask what.  Transitive: food
 546  *  ok, some things lose appetite, rest are ridiculous. */
 547 {
 548     if (obj == INTRANSITIVE) {
 549         if (!HERE(FOOD))
 550             return GO_UNKNOWN;
 551         DESTROY(FOOD);
 552         rspeak(THANKS_DELICIOUS);
 553         return GO_CLEAROBJ;
 554     }
 555     if (obj == FOOD) {
 556         DESTROY(FOOD);
 557         rspeak(THANKS_DELICIOUS);
 558         return GO_CLEAROBJ;
 559     }
 560     if (obj == BIRD ||
 561         obj == SNAKE ||
 562         obj == CLAM ||
 563         obj == OYSTER ||
 564         obj == DWARF ||
 565         obj == DRAGON ||
 566         obj == TROLL ||
 567         obj == BEAR ||
 568         obj == OGRE) {
 569         rspeak(LOST_APPETITE);
 570         return GO_CLEAROBJ;
 571     }
 572     rspeak(actions[verb].message);
 573     return GO_CLEAROBJ;
 574 }
 575
 576 static int extinguish(token_t verb, int obj)
 577 /* Extinguish.  Lamp, urn, dragon/volcano (nice try). */
 578 {
 579     if (obj == INTRANSITIVE) {
 580         if (HERE(LAMP) && game.prop[LAMP] == LAMP_BRIGHT)
 581             obj = LAMP;
 582         if (HERE(URN) && game.prop[URN] == URN_LIT)
 583             obj = URN;
 584         if (obj == INTRANSITIVE)
 585             return GO_UNKNOWN;
 586     }
 587
 588     if (obj == URN) {
 589         if (game.prop[URN] != URN_EMPTY) {
 590             state_change(URN, URN_DARK);
 591         } else {
 592             pspeak(URN, change, URN_DARK, true);
 593         }
 594         return GO_CLEAROBJ;
 595     }
 596
 597     if (obj == LAMP) {
 598         state_change(LAMP, LAMP_DARK);
 599         rspeak(DARK(game.loc) ?
 600                PITCH_DARK :
 601                NO_MESSAGE);
 602         return GO_CLEAROBJ;
 603     }
 604
 605     if (obj == DRAGON ||
 606         obj == VOLCANO) {
 607         rspeak(BEYOND_POWER);
 608         return GO_CLEAROBJ;
 609     }
 610
 611     rspeak(actions[verb].message);
 612     return GO_CLEAROBJ;
 613 }
 614
 615 static int feed(token_t verb, token_t obj)
 616 /*  Feed.  If bird, no seed.  Snake, dragon, troll: quip.  If dwarf, make him
 617  *  mad.  Bear, special. */
 618 {
 619     int spk = actions[verb].message;
 620     if (obj == BIRD) {
 621         rspeak(BIRD_PINING);
 622         return GO_CLEAROBJ;
 623     } else if (obj == SNAKE ||
 624                obj == DRAGON ||
 625                obj == TROLL) {
 626         spk = NOTHING_EDIBLE;
 627         if (obj == DRAGON && game.prop[DRAGON] != DRAGON_BARS)
 628             spk = RIDICULOUS_ATTEMPT;
 629         if (obj == TROLL)
 630             spk = TROLL_VICES;
 631         if (obj == SNAKE && !game.closed && HERE(BIRD)) {
 632             DESTROY(BIRD);
 633             spk = BIRD_DEVOURED;
 634         }
 635     } else if (obj == DWARF) {
 636         if (HERE(FOOD)) {
 637             game.dflag += 2;
 638             spk = REALLY_MAD;
 639         }
 640     } else if (obj == BEAR) {
 641         if (game.prop[BEAR] == UNTAMED_BEAR)
 642             spk = NOTHING_EDIBLE;
 643         if (game.prop[BEAR] == BEAR_DEAD)
 644             spk = RIDICULOUS_ATTEMPT;
 645         if (HERE(FOOD)) {
 646             DESTROY(FOOD);
 647             game.prop[BEAR] = SITTING_BEAR;
 648             game.fixed[AXE] = 0;
 649             game.prop[AXE] = 0;
 650             spk = BEAR_TAMED;
 651         }
 652     } else if (obj == OGRE) {
 653         if (HERE(FOOD))
 654             spk = OGRE_FULL;
 655     } else {
 656         spk = AM_GAME;
 657     }
 658     rspeak(spk);
 659     return GO_CLEAROBJ;
 660 }
 661
 662 int fill(token_t verb, token_t obj)
 663 /*  Fill.  Bottle or urn must be empty, and liquid available.  (Vase
 664  *  is nasty.) */
 665 {
 666     if (obj == VASE) {
 667         if (LIQLOC(game.loc) == NO_OBJECT) {
 668             rspeak(FILL_INVALID);
 669             return GO_CLEAROBJ;
 670         }
 671         if (!TOTING(VASE)) {
 672             rspeak(ARENT_CARRYING);
 673             return GO_CLEAROBJ;
 674         }
 675         rspeak(SHATTER_VASE);
 676         game.prop[VASE] = VASE_BROKEN;
 677         game.fixed[VASE] = -1;
 678         return (discard(verb, obj, true));
 679     }
 680
 681     if (obj == URN) {
 682         if (game.prop[URN] != URN_EMPTY) {
 683             rspeak(FULL_URN);
 684             return GO_CLEAROBJ;
 685         }
 686         if (!HERE(BOTTLE)) {
 687             rspeak(FILL_INVALID);
 688             return GO_CLEAROBJ;
 689         }
 690         int k = LIQUID();
 691         switch (k) {
 692         case WATER:
 693             game.prop[BOTTLE] = EMPTY_BOTTLE;
 694             rspeak(WATER_URN);
 695             break;
 696         case OIL:
 697             game.prop[URN] = URN_DARK;
 698             game.prop[BOTTLE] = EMPTY_BOTTLE;
 699             rspeak(OIL_URN);
 700             break;
 701         case NO_OBJECT:
 702         default:
 703             rspeak(FILL_INVALID);
 704             return GO_CLEAROBJ;
 705         }
 706         game.place[k] = LOC_NOWHERE;
 707         return GO_CLEAROBJ;
 708     }
 709     if (obj != NO_OBJECT && obj != BOTTLE) {
 710         rspeak(actions[verb].message);
 711         return GO_CLEAROBJ;
 712     }
 713     if (obj == NO_OBJECT && !HERE(BOTTLE))
 714         return GO_UNKNOWN;
 715
 716     if (HERE(URN) && game.prop[URN] != URN_EMPTY) {
 717         rspeak(URN_NOPOUR);
 718         return GO_CLEAROBJ;
 719     }
 720     if (LIQUID() != NO_OBJECT) {
 721         rspeak(BOTTLE_FULL);
 722         return GO_CLEAROBJ;
 723     }
 724     if (LIQLOC(game.loc) == NO_OBJECT) {
 725         rspeak(NO_LIQUID);
 726         return GO_CLEAROBJ;
 727     }
 728
 729     game.prop[BOTTLE] = (LIQLOC(game.loc) == OIL) ? OIL_BOTTLE : WATER_BOTTLE;
 730     if (TOTING(BOTTLE))
 731         game.place[LIQUID()] = CARRIED;
 732     if (LIQUID() == OIL)
 733         rspeak(BOTTLED_OIL);
 734     else
 735         rspeak(BOTTLED_WATER);
 736     return GO_CLEAROBJ;
 737 }
 738
 739 static int find(token_t verb, token_t obj)
 740 /* Find.  Might be carrying it, or it might be here.  Else give caveat. */
 741 {
 742     if (TOTING(obj)) {
 743         rspeak(ALREADY_CARRYING);
 744         return GO_CLEAROBJ;
 745     }
 746
 747     if (game.closed) {
 748         rspeak(NEEDED_NEARBY);
 749         return GO_CLEAROBJ;
 750     }
 751
 752     if (AT(obj) ||
 753         (LIQUID() == obj && AT(BOTTLE)) ||
 754         obj == LIQLOC(game.loc) ||
 755         (obj == DWARF && atdwrf(game.loc) > 0)) {
 756         rspeak(YOU_HAVEIT);
 757         return GO_CLEAROBJ;
 758     }
 759
 760
 761     rspeak(actions[verb].message);
 762     return GO_CLEAROBJ;
 763 }
 764
 765 static int fly(token_t verb, token_t obj)
 766 /* Fly.  Snide remarks unless hovering rug is here. */
 767 {
 768     if (obj == INTRANSITIVE) {
 769         if (!HERE(RUG)) {
 770             rspeak(FLAP_ARMS);
 771             return GO_CLEAROBJ;
 772         }
 773         if (game.prop[RUG] != RUG_HOVER) {
 774             rspeak(RUG_NOTHING2);
 775             return GO_CLEAROBJ;
 776         }
 777         obj = RUG;
 778     }
 779
 780     if (obj != RUG) {
 781         rspeak(actions[verb].message);
 782         return GO_CLEAROBJ;
 783     }
 784     if (game.prop[RUG] != RUG_HOVER) {
 785         rspeak(RUG_NOTHING1);
 786         return GO_CLEAROBJ;
 787     }
 788     game.oldlc2 = game.oldloc;
 789     game.oldloc = game.loc;
 790     /* FIXME: Arithmetic on location values */
 791     game.newloc = game.place[RUG] + game.fixed[RUG] - game.loc;
 792
 793     if (game.prop[SAPPH] >= 0) {
 794         rspeak(RUG_RETURNS);
 795     } else {
 796         rspeak(RUG_GOES);
 797     }
 798     return GO_TERMINATE;
 799 }
 800
 801 static int inven(void)
 802 /* Inventory. If object, treat same as find.  Else report on current burden. */
 803 {
 804     bool empty = true;
 805     for (int i = 1; i <= NOBJECTS; i++) {
 806         if (i == BEAR ||
 807             !TOTING(i))
 808             continue;
 809         if (empty) {
 810             rspeak(NOW_HOLDING);
 811             empty = false;
 812         }
 813         pspeak(i, touch, -1, false);
 814     }
 815     if (TOTING(BEAR))
 816         rspeak(TAME_BEAR);
 817     if (empty)
 818         rspeak(NO_CARRY);
 819     return GO_CLEAROBJ;
 820 }
 821
 822 static int light(token_t verb, token_t obj)
 823 /*  Light.  Applicable only to lamp and urn. */
 824 {
 825     if (obj == INTRANSITIVE) {
 826         if (HERE(LAMP) && game.prop[LAMP] == LAMP_DARK && game.limit >= 0)
 827             obj = LAMP;
 828         if (HERE(URN) && game.prop[URN] == URN_DARK)
 829             obj =  URN;
 830         if (obj == INTRANSITIVE ||
 831             (HERE(LAMP) && game.prop[LAMP] == LAMP_DARK && game.limit >= 0 &&
 832              HERE(URN) && game.prop[URN] == URN_DARK))
 833             return GO_UNKNOWN;
 834     }
 835
 836     if (obj == URN) {
 837         state_change(URN, game.prop[URN] == URN_EMPTY ?
 838                      URN_EMPTY :
 839                      URN_LIT);
 840         return GO_CLEAROBJ;
 841     } else {
 842         if (obj != LAMP) {
 843             rspeak(actions[verb].message);
 844             return GO_CLEAROBJ;
 845         }
 846         if (game.limit < 0) {
 847             rspeak(LAMP_OUT);
 848             return GO_CLEAROBJ;
 849         }
 850         state_change(LAMP, LAMP_BRIGHT);
 851         if (game.wzdark)
 852             return GO_TOP;
 853         else
 854             return GO_CLEAROBJ;
 855     }
 856 }
 857
 858 static int listen(void)
 859 /*  Listen.  Intransitive only.  Print stuff based on objsnd/locsnd. */
 860 {
 861     long sound = locations[game.loc].sound;
 862     if (sound != SILENT) {
 863         rspeak(sound);
 864         if (!locations[game.loc].loud)
 865             rspeak(NO_MESSAGE);
 866         return GO_CLEAROBJ;
 867     }
 868     for (int i = 1; i <= NOBJECTS; i++) {
 869         if (!HERE(i) ||
 870             objects[i].sounds[0] == NULL ||
 871             game.prop[i] < 0)
 872             continue;
 873         int mi =  game.prop[i];
 874         if (i == BIRD)
 875             mi += 3 * game.blooded;
 876         long packed_zzword = token_to_packed(game.zzword);
 877         pspeak(i, hear, mi, true, packed_zzword);
 878         rspeak(NO_MESSAGE);
 879         /* FIXME: Magic number, sensitive to bird state logic */
 880         if (i == BIRD && game.prop[i] == 5)
 881             DESTROY(BIRD);
 882         return GO_CLEAROBJ;
 883     }
 884     rspeak(ALL_SILENT);
 885     return GO_CLEAROBJ;
 886 }
 887
 888 static int lock(token_t verb, token_t obj)
 889 /* Lock, unlock, no object given.  Assume various things if present. */
 890 {
 891     if (obj == INTRANSITIVE) {
 892         if (HERE(CLAM))
 893             obj = CLAM;
 894         if (HERE(OYSTER))
 895             obj = OYSTER;
 896         if (AT(DOOR))
 897             obj = DOOR;
 898         if (AT(GRATE))
 899             obj = GRATE;
 900         if (HERE(CHAIN))
 901             obj = CHAIN;
 902         if (obj == INTRANSITIVE) {
 903             rspeak(NOTHING_LOCKED);
 904             return GO_CLEAROBJ;
 905         }
 906     }
 907
 908     /*  Lock, unlock object.  Special stuff for opening clam/oyster
 909      *  and for chain. */
 910     if (obj == GRATE ||
 911         obj == CHAIN) {
 912         if (HERE(KEYS)) {
 913             if (obj == CHAIN)
 914                 return chain(verb);
 915             if (game.closng) {
 916                 rspeak(EXIT_CLOSED);
 917                 if (!game.panic)
 918                     game.clock2 = PANICTIME;
 919                 game.panic = true;
 920                 return GO_CLEAROBJ ;
 921             } else {
 922                 state_change(GRATE, (verb == LOCK) ?
 923                              GRATE_CLOSED :
 924                              GRATE_OPEN);
 925                 return GO_CLEAROBJ;
 926             }
 927         }
 928         rspeak(NO_KEYS);
 929         return GO_CLEAROBJ;
 930     }
 931
 932     switch (obj) {
 933     case CLAM:
 934         if (verb == LOCK)
 935             rspeak(HUH_MAN);
 936         else if (!TOTING(TRIDENT))
 937             rspeak(OYSTER_OPENER);
 938         else {
 939             DESTROY(CLAM);
 940             drop(OYSTER, game.loc);
 941             drop(PEARL, LOC_CULDESAC);
 942             rspeak(PEARL_FALLS);
 943         }
 944         return GO_CLEAROBJ;
 945     case OYSTER:
 946         if (verb == LOCK)
 947             rspeak(HUH_MAN);
 948         else
 949             rspeak(OYSTER_OPENER);
 950
 951         return GO_CLEAROBJ;
 952     case DOOR:
 953         rspeak((game.prop[DOOR] == DOOR_UNRUSTED) ? OK_MAN : RUSTY_DOOR);
 954         break;
 955     case CAGE:
 956         rspeak( NO_LOCK);
 957         break;
 958     case KEYS:
 959         rspeak(CANNOT_UNLOCK);
 960         break;
 961     default:
 962         rspeak(actions[verb].message);
 963     }
 964
 965     return GO_CLEAROBJ;
 966 }
 967
 968 static int pour(token_t verb, token_t obj)
 969 /*  Pour.  If no object, or object is bottle, assume contents of bottle.
 970  *  special tests for pouring water or oil on plant or rusty door. */
 971 {
 972     if (obj == BOTTLE ||
 973         obj == NO_OBJECT)
 974         obj = LIQUID();
 975     if (obj == NO_OBJECT)
 976         return GO_UNKNOWN;
 977     if (!TOTING(obj)) {
 978         rspeak(actions[verb].message);
 979         return GO_CLEAROBJ;
 980     }
 981
 982     if (obj != OIL && obj != WATER) {
 983         rspeak(CANT_POUR);
 984         return GO_CLEAROBJ;
 985     }
 986     if (HERE(URN) && game.prop[URN] == URN_EMPTY)
 987         return fill(verb, URN);
 988     game.prop[BOTTLE] = EMPTY_BOTTLE;
 989     game.place[obj] = LOC_NOWHERE;
 990     if (!(AT(PLANT) ||
 991           AT(DOOR))) {
 992         rspeak(GROUND_WET);
 993         return GO_CLEAROBJ;
 994     }
 995     if (!AT(DOOR)) {
 996         if (obj == WATER) {
 997             /* cycle through the three plant states */
 998             state_change(PLANT, MOD(game.prop[PLANT] + 1, 3));
 999             game.prop[PLANT2] = game.prop[PLANT];
1000             return GO_MOVE;
1001         } else {
1002             rspeak(SHAKING_LEAVES);
1003             return GO_CLEAROBJ;
1004         }
1005     } else {
1006         state_change(DOOR, (obj == OIL) ?
1007                      DOOR_UNRUSTED :
1008                      DOOR_RUSTED);
1009         return GO_CLEAROBJ;
1010     }
1011 }
1012
1013 static int quit(void)
1014 /*  Quit.  Intransitive only.  Verify intent and exit if that's what he wants. */
1015 {
1016     if (yes(arbitrary_messages[REALLY_QUIT], arbitrary_messages[OK_MAN], arbitrary_messages[OK_MAN]))
1017         terminate(quitgame);
1018     return GO_CLEAROBJ;
1019 }
1020
1021 static int read(struct command_t command)
1022 /*  Read.  Print stuff based on objtxt.  Oyster (?) is special case. */
1023 {
1024     if (command.obj == INTRANSITIVE) {
1025         command.obj = 0;
1026         for (int i = 1; i <= NOBJECTS; i++) {
1027             if (HERE(i) && objects[i].texts[0] != NULL && game.prop[i] >= 0)
1028                 command.obj = command.obj * NOBJECTS + i;
1029         }
1030         if (command.obj > NOBJECTS ||
1031             command.obj == 0 ||
1032             DARK(game.loc))
1033             return GO_UNKNOWN;
1034     }
1035
1036     if (DARK(game.loc)) {
1037         sspeak(NO_SEE, command.raw1);
1038     } else if (command.obj == OYSTER && !game.clshnt && game.closed) {
1039         game.clshnt = yes(arbitrary_messages[CLUE_QUERY], arbitrary_messages[WAYOUT_CLUE], arbitrary_messages[OK_MAN]);
1040     } else if (objects[command.obj].texts[0] == NULL ||
1041                game.prop[command.obj] < 0) {
1042         rspeak(actions[command.verb].message);
1043     } else
1044         pspeak(command.obj, study, game.prop[command.obj], true);
1045     return GO_CLEAROBJ;
1046 }
1047
1048 static int reservoir(void)
1049 /*  Z'ZZZ (word gets recomputed at startup; different each game). */
1050 {
1051     /* FIXME: Arithmetic on state numbers */
1052     if (!AT(RESER) && game.loc != game.fixed[RESER] - 1) {
1053         rspeak(NOTHING_HAPPENS);
1054         return GO_CLEAROBJ;
1055     } else {
1056         state_change(RESER,
1057                      game.prop[RESER] == WATERS_PARTED ? WATERS_UNPARTED : WATERS_PARTED);
1058         if (AT(RESER))
1059             return GO_CLEAROBJ;
1060         else {
1061             game.oldlc2 = game.loc;
1062             game.newloc = LOC_NOWHERE;
1063             rspeak(NOT_BRIGHT);
1064             return GO_TERMINATE;
1065         }
1066     }
1067 }
1068
1069 static int rub(token_t verb, token_t obj)
1070 /* Rub.  Yields various snide remarks except for lit urn. */
1071 {
1072     if (obj == URN && game.prop[URN] == URN_LIT) {
1073         DESTROY(URN);
1074         drop(AMBER, game.loc);
1075         game.prop[AMBER] = AMBER_IN_ROCK;
1076         --game.tally;
1077         drop(CAVITY, game.loc);
1078         rspeak(URN_GENIES);
1079     } else if (obj != LAMP) {
1080         rspeak(PECULIAR_NOTHING);
1081     } else {
1082         rspeak(actions[verb].message);
1083     }
1084     return GO_CLEAROBJ;
1085 }
1086
1087 static int say(struct command_t *command)
1088 /* Say.  Echo WD2 (or WD1 if no WD2 (SAY WHAT?, etc.).)  Magic words override. */
1089 {
1090     if (command->wd2 > 0) {
1091         command->wd1 = command->wd2;
1092         strcpy(command->raw1, command->raw2);
1093     }
1094     char word1[TOKLEN + 1];
1095     packed_to_token(command->wd1, word1);
1096     int wd = (int) get_vocab_id(word1);
1097     /* FIXME: magic numbers */
1098     if (wd == MOTION_WORD(XYZZY) ||
1099         wd == MOTION_WORD(PLUGH) ||
1100         wd == MOTION_WORD(PLOVER) ||
1101         wd == ACTION_WORD(GIANTWORDS) ||
1102         wd == ACTION_WORD(PART)) {
1103         /* FIXME: scribbles on the interpreter's command block */
1104         wordclear(&command->wd2);
1105         return GO_LOOKUP;
1106     }
1107     sspeak(OKEY_DOKEY, command->raw1);
1108     return GO_CLEAROBJ;
1109 }
1110
1111 static int throw_support(long spk)
1112 {
1113     rspeak(spk);
1114     drop(AXE, game.loc);
1115     return GO_MOVE;
1116 }
1117
1118 static int throw (struct command_t *command)
1119 /*  Throw.  Same as discard unless axe.  Then same as attack except
1120  *  ignore bird, and if dwarf is present then one might be killed.
1121  *  (Only way to do so!)  Axe also special for dragon, bear, and
1122  *  troll.  Treasures special for troll. */
1123 {
1124     if (TOTING(ROD2) && command->obj == ROD && !TOTING(ROD))
1125         command->obj = ROD2;
1126     if (!TOTING(command->obj)) {
1127         rspeak(actions[command->verb].message);
1128         return GO_CLEAROBJ;
1129     }
1130     if (objects[command->obj].is_treasure && AT(TROLL)) {
1131         /*  Snarf a treasure for the troll. */
1132         drop(command->obj, LOC_NOWHERE);
1133         move(TROLL, LOC_NOWHERE);
1134         move(TROLL + NOBJECTS, LOC_NOWHERE);
1135         drop(TROLL2, objects[TROLL].plac);
1136         drop(TROLL2 + NOBJECTS, objects[TROLL].fixd);
1137         juggle(CHASM);
1138         rspeak(TROLL_SATISFIED);
1139         return GO_CLEAROBJ;
1140     }
1141     if (command->obj == FOOD && HERE(BEAR)) {
1142         /* But throwing food is another story. */
1143         command->obj = BEAR;
1144         return (feed(command->verb, command->obj));
1145     }
1146     if (command->obj != AXE)
1147         return (discard(command->verb, command->obj, false));
1148     else {
1149         if (atdwrf(game.loc) <= 0) {
1150             if (AT(DRAGON) && game.prop[DRAGON] == DRAGON_BARS)
1151                 return throw_support(DRAGON_SCALES);
1152             if (AT(TROLL))
1153                 return throw_support(TROLL_RETURNS);
1154             else if (AT(OGRE))
1155                 return throw_support(OGRE_DODGE);
1156             else if (HERE(BEAR) && game.prop[BEAR] == UNTAMED_BEAR) {
1157                 /* This'll teach him to throw the axe at the bear! */
1158                 drop(AXE, game.loc);
1159                 game.fixed[AXE] = -1;
1160                 juggle(BEAR);
1161                 state_change(AXE, AXE_LOST);
1162                 return GO_CLEAROBJ;
1163             }
1164             command->obj = NO_OBJECT;
1165             return (attack(command));
1166         }
1167
1168         if (randrange(NDWARVES + 1) < game.dflag) {
1169             return throw_support(DWARF_DODGES);
1170         } else {
1171             long i = atdwrf(game.loc);
1172             game.dseen[i] = false;
1173             game.dloc[i] = LOC_NOWHERE;
1174             return throw_support((++game.dkill == 1) ?
1175                                  DWARF_SMOKE :
1176                                  KILLED_DWARF);
1177         }
1178     }
1179 }
1180
1181 static int wake(token_t verb, token_t obj)
1182 /* Wake.  Only use is to disturb the dwarves. */
1183 {
1184     if (obj != DWARF ||
1185         !game.closed) {
1186         rspeak(actions[verb].message);
1187         return GO_CLEAROBJ;
1188     } else {
1189         rspeak(PROD_DWARF);
1190         return GO_DWARFWAKE;
1191     }
1192 }
1193
1194 static int wave(token_t verb, token_t obj)
1195 /* Wave.  No effect unless waving rod at fissure or at bird. */
1196 {
1197     if (obj != ROD ||
1198         !TOTING(obj) ||
1199         (!HERE(BIRD) &&
1200          (game.closng ||
1201           !AT(FISSURE)))) {
1202         rspeak(((!TOTING(obj)) && (obj != ROD ||
1203                                    !TOTING(ROD2))) ?
1204                ARENT_CARRYING :
1205                actions[verb].message);
1206         return GO_CLEAROBJ;
1207     }
1208
1209     if (game.prop[BIRD] == BIRD_UNCAGED && game.loc == game.place[STEPS] && game.prop[JADE] < 0) {
1210         drop(JADE, game.loc);
1211         game.prop[JADE] = 0;
1212         --game.tally;
1213         rspeak(NECKLACE_FLY);
1214         return GO_CLEAROBJ;
1215     } else {
1216         if (game.closed) {
1217             rspeak((game.prop[BIRD] == BIRD_CAGED) ?
1218                    CAGE_FLY :
1219                    FREE_FLY);
1220             return GO_DWARFWAKE;
1221         }
1222         if (game.closng ||
1223             !AT(FISSURE)) {
1224             rspeak((game.prop[BIRD] == BIRD_CAGED) ?
1225                    CAGE_FLY :
1226                    FREE_FLY);
1227             return GO_CLEAROBJ;
1228         }
1229         if (HERE(BIRD))
1230             rspeak((game.prop[BIRD] == BIRD_CAGED) ?
1231                    CAGE_FLY :
1232                    FREE_FLY);
1233
1234         state_change(FISSURE,
1235                      game.prop[FISSURE] == BRIDGED ? UNBRIDGED : BRIDGED);
1236         return GO_CLEAROBJ;
1237     }
1238 }
1239
1240 int action(struct command_t *command)
1241 /*  Analyse a verb.  Remember what it was, go back for object if second word
1242  *  unless verb is "say", which snarfs arbitrary second word.
1243  */
1244 {
1245     if (command->part == unknown) {
1246         /*  Analyse an object word.  See if the thing is here, whether
1247          *  we've got a verb yet, and so on.  Object must be here
1248          *  unless verb is "find" or "invent(ory)" (and no new verb
1249          *  yet to be analysed).  Water and oil are also funny, since
1250          *  they are never actually dropped at any location, but might
1251          *  be here inside the bottle or urn or as a feature of the
1252          *  location. */
1253         if (HERE(command->obj))
1254             /* FALL THROUGH */;
1255         else if (command->obj == GRATE) {
1256             if (game.loc == LOC_START ||
1257                 game.loc == LOC_VALLEY ||
1258                 game.loc == LOC_SLIT) {
1259                 command->obj = DPRSSN;
1260             }
1261             if (game.loc == LOC_COBBLE ||
1262                 game.loc == LOC_DEBRIS ||
1263                 game.loc == LOC_AWKWARD ||
1264                 game.loc == LOC_BIRD ||
1265                 game.loc == LOC_PITTOP) {
1266                 command->obj = ENTRNC;
1267             }
1268         } else if (command->obj == DWARF && atdwrf(game.loc) > 0)
1269             /* FALL THROUGH */;
1270         else if ((LIQUID() == command->obj && HERE(BOTTLE)) ||
1271                  command->obj == LIQLOC(game.loc))
1272             /* FALL THROUGH */;
1273         else if (command->obj == OIL && HERE(URN) && game.prop[URN] != 0) {
1274             command->obj = URN;
1275             /* FALL THROUGH */;
1276         } else if (command->obj == PLANT && AT(PLANT2) && game.prop[PLANT2] != 0) {
1277             command->obj = PLANT2;
1278             /* FALL THROUGH */;
1279         } else if (command->obj == KNIFE && game.knfloc == game.loc) {
1280             game.knfloc = -1;
1281             rspeak(KNIVES_VANISH);
1282             return GO_CLEAROBJ;
1283         } else if (command->obj == ROD && HERE(ROD2)) {
1284             command->obj = ROD2;
1285             /* FALL THROUGH */;
1286         } else if ((command->verb == FIND ||
1287                     command->verb == INVENTORY) && command->wd2 <= 0)
1288             /* FALL THROUGH */;
1289         else {
1290             sspeak(NO_SEE, command->raw1);
1291             return GO_CLEAROBJ;
1292         }
1293
1294         if (command->wd2 > 0)
1295             return GO_WORD2;
1296         if (command->verb != 0)
1297             command->part = transitive;
1298     }
1299
1300     switch (command->part) {
1301     case intransitive:
1302         if (command->wd2 > 0 && command->verb != SAY)
1303             return GO_WORD2;
1304         if (command->verb == SAY)
1305             command->obj = command->wd2;
1306         if (command->obj == NO_OBJECT ||
1307             command->obj == INTRANSITIVE) {
1308             /*  Analyse an intransitive verb (ie, no object given yet). */
1309             switch (command->verb) {
1310             case CARRY:
1311                 return vcarry(command->verb, INTRANSITIVE);
1312             case  DROP:
1313                 return GO_UNKNOWN;
1314             case  SAY:
1315                 return GO_UNKNOWN;
1316             case  UNLOCK:
1317                 return lock(command->verb, INTRANSITIVE);
1318             case  NOTHING: {
1319                 rspeak(OK_MAN);
1320                 return (GO_CLEAROBJ);
1321             }
1322             case  LOCK:
1323                 return lock(command->verb, INTRANSITIVE);
1324             case  LIGHT:
1325                 return light(command->verb, INTRANSITIVE);
1326             case  EXTINGUISH:
1327                 return extinguish(command->verb, INTRANSITIVE);
1328             case  WAVE:
1329                 return GO_UNKNOWN;
1330             case  TAME:
1331                 return GO_UNKNOWN;
1332             case GO: {
1333                 rspeak(actions[command->verb].message);
1334                 return GO_CLEAROBJ;
1335             }
1336             case ATTACK:
1337                 return attack(command);
1338             case POUR:
1339                 return pour(command->verb, command->obj);
1340             case EAT:
1341                 return eat(command->verb, INTRANSITIVE);
1342             case DRINK:
1343                 return drink(command->verb, command->obj);
1344             case RUB:
1345                 return GO_UNKNOWN;
1346             case THROW:
1347                 return GO_UNKNOWN;
1348             case QUIT:
1349                 return quit();
1350             case FIND:
1351                 return GO_UNKNOWN;
1352             case INVENTORY:
1353                 return inven();
1354             case FEED:
1355                 return GO_UNKNOWN;
1356             case FILL:
1357                 return fill(command->verb, command->obj);
1358             case BLAST:
1359                 blast();
1360                 return GO_CLEAROBJ;
1361             case SCORE:
1362                 score(scoregame);
1363                 return GO_CLEAROBJ;
1364             case GIANTWORDS:
1365                 return bigwords(command->wd1);
1366             case BRIEF:
1367                 return brief();
1368             case READ:
1369                 command->obj = INTRANSITIVE;
1370                 return read(*command);
1371             case BREAK:
1372                 return GO_UNKNOWN;
1373             case WAKE:
1374                 return GO_UNKNOWN;
1375             case SAVE:
1376                 return suspend();
1377             case RESUME:
1378                 return resume();
1379             case FLY:
1380                 return fly(command->verb, INTRANSITIVE);
1381             case LISTEN:
1382                 return listen();
1383             case PART:
1384                 return reservoir();
1385             default:
1386                 BUG(INTRANSITIVE_ACTION_VERB_EXCEEDS_GOTO_LIST); // LCOV_EXCL_LINE
1387             }
1388         }
1389     /* FALLTHRU */
1390     case transitive:
1391         /*  Analyse a transitive verb. */
1392         switch (command->verb) {
1393         case  CARRY:
1394             return vcarry(command->verb, command->obj);
1395         case  DROP:
1396             return discard(command->verb, command->obj, false);
1397         case  SAY:
1398             return say(command);
1399         case  UNLOCK:
1400             return lock(command->verb, command->obj);
1401         case  NOTHING: {
1402             rspeak(OK_MAN);
1403             return (GO_CLEAROBJ);
1404         }
1405         case  LOCK:
1406             return lock(command->verb, command->obj);
1407         case LIGHT:
1408             return light(command->verb, command->obj);
1409         case EXTINGUISH:
1410             return extinguish(command->verb, command->obj);
1411         case WAVE:
1412             return wave(command->verb, command->obj);
1413         case TAME: {
1414             rspeak(actions[command->verb].message);
1415             return GO_CLEAROBJ;
1416         }
1417         case GO: {
1418             rspeak(actions[command->verb].message);
1419             return GO_CLEAROBJ;
1420         }
1421         case ATTACK:
1422             return attack(command);
1423         case POUR:
1424             return pour(command->verb, command->obj);
1425         case EAT:
1426             return eat(command->verb, command->obj);
1427         case DRINK:
1428             return drink(command->verb, command->obj);
1429         case RUB:
1430             return rub(command->verb, command->obj);
1431         case THROW:
1432             return throw (command);
1433         case QUIT: {
1434             rspeak(actions[command->verb].message);
1435             return GO_CLEAROBJ;
1436         }
1437         case FIND:
1438             return find(command->verb, command->obj);
1439         case INVENTORY:
1440             return find(command->verb, command->obj);
1441         case FEED:
1442             return feed(command->verb, command->obj);
1443         case FILL:
1444             return fill(command->verb, command->obj);
1445         case BLAST:
1446             blast();
1447             return GO_CLEAROBJ;
1448         case SCORE: {
1449             rspeak(actions[command->verb].message);
1450             return GO_CLEAROBJ;
1451         }
1452         case GIANTWORDS: {
1453             rspeak(actions[command->verb].message);
1454             return GO_CLEAROBJ;
1455         }
1456         case BRIEF: {
1457             rspeak(actions[command->verb].message);
1458             return GO_CLEAROBJ;
1459         }
1460         case READ:
1461             return read(*command);
1462         case BREAK:
1463             return vbreak(command->verb, command->obj);
1464         case WAKE:
1465             return wake(command->verb, command->obj);
1466         case SAVE: {
1467             rspeak(actions[command->verb].message);
1468             return GO_CLEAROBJ;
1469         }
1470         case RESUME: {
1471             rspeak(actions[command->verb].message);
1472             return GO_CLEAROBJ;
1473         }
1474         case FLY:
1475             return fly(command->verb, command->obj);
1476         case LISTEN: {
1477             rspeak(actions[command->verb].message);
1478             return GO_CLEAROBJ;
1479         }
1480         case PART:
1481             return reservoir();
1482         default:
1483             BUG(TRANSITIVE_ACTION_VERB_EXCEEDS_GOTO_LIST); // LCOV_EXCL_LINE
1484         }
1485     case unknown:
1486         /* Unknown verb, couldn't deduce object - might need hint */
1487         sspeak(WHAT_DO, command->raw1);
1488         return GO_CHECKHINT;
1489     default:
1490         BUG(SPEECHPART_NOT_TRANSITIVE_OR_INTRANSITIVE_OR_UNKNOWN); // LCOV_EXCL_LINE
1491     }
1492 }