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     if (obj == INTRANSITIVE) {
 285         /*  Carry, no object given yet.  OK if only one object present. */
 286         if (game.atloc[game.loc] == 0 ||
 287             game.link[game.atloc[game.loc]] != 0 ||
 288             atdwrf(game.loc) > 0)
 289             return GO_UNKNOWN;
 290         obj = game.atloc[game.loc];
 291     }
 292
 293     if (TOTING(obj)) {
 294         rspeak(ALREADY_CARRYING);
 295         return GO_CLEAROBJ;
 296     }
 297
 298     if (obj == MESSAG) {
 299         rspeak(REMOVE_MESSAGE);
 300         DESTROY(MESSAG);
 301         return GO_CLEAROBJ;
 302     }
 303
 304     if (game.fixed[obj] != 0) {
 305         if (obj == PLANT && game.prop[PLANT] <= 0) {
 306             rspeak(DEEP_ROOTS);
 307             return GO_CLEAROBJ;
 308         }
 309         if (obj == BEAR && game.prop[BEAR] == SITTING_BEAR) {
 310             rspeak(BEAR_CHAINED);
 311             return GO_CLEAROBJ;
 312         }
 313         if (obj == CHAIN && game.prop[BEAR] != UNTAMED_BEAR) {
 314             rspeak(STILL_LOCKED);
 315             return GO_CLEAROBJ;
 316         }
 317         if (obj == URN) {
 318             rspeak(URN_NOBUDGE);
 319             return GO_CLEAROBJ;
 320         }
 321         if (obj == CAVITY) {
 322             rspeak(DOUGHNUT_HOLES);
 323             return GO_CLEAROBJ;
 324         }
 325         if (obj == BLOOD) {
 326             rspeak(FEW_DROPS);
 327             return GO_CLEAROBJ;
 328         }
 329         if (obj == RUG && game.prop[RUG] == RUG_HOVER) {
 330             rspeak(RUG_HOVERS);
 331             return GO_CLEAROBJ;
 332         }
 333         if (obj == SIGN) {
 334             rspeak(HAND_PASSTHROUGH);
 335             return GO_CLEAROBJ;
 336         }
 337         rspeak(YOU_JOKING);
 338         return GO_CLEAROBJ;
 339     }
 340
 341     if (obj == WATER ||
 342         obj == OIL) {
 343         if (!HERE(BOTTLE) ||
 344             LIQUID() != obj) {
 345             if (TOTING(BOTTLE)) {
 346                 if (game.prop[BOTTLE] == EMPTY_BOTTLE) {
 347                     return (fill(verb, BOTTLE));
 348                 } else if (game.prop[BOTTLE] != EMPTY_BOTTLE)
 349                     rspeak(BOTTLE_FULL);
 350                 return GO_CLEAROBJ;
 351             }
 352             rspeak(NO_CONTAINER);
 353             return GO_CLEAROBJ;
 354         }
 355         obj = BOTTLE;
 356     }
 357
 358     if (game.holdng >= INVLIMIT) {
 359         rspeak(CARRY_LIMIT);
 360         return GO_CLEAROBJ;
 361
 362     }
 363
 364     if (obj == BIRD && game.prop[BIRD] != BIRD_CAGED && -1 - game.prop[BIRD] != BIRD_CAGED) {
 365         if (game.prop[BIRD] == BIRD_FOREST_UNCAGED) {
 366             DESTROY(BIRD);
 367             rspeak(BIRD_CRAP);
 368             return GO_CLEAROBJ;
 369         }
 370         if (!TOTING(CAGE)) {
 371             rspeak(CANNOT_CARRY);
 372             return GO_CLEAROBJ;
 373         }
 374         if (TOTING(ROD)) {
 375             rspeak(BIRD_EVADES);
 376             return GO_CLEAROBJ;
 377         }
 378         game.prop[BIRD] = BIRD_CAGED;
 379     }
 380     /* FIXME: Arithmetic on state numbers */
 381     if ((obj == BIRD ||
 382          obj == CAGE) &&
 383         (game.prop[BIRD] == BIRD_CAGED ||
 384          -1 - game.prop[BIRD] == 1))
 385         carry(BIRD + CAGE - obj, game.loc);
 386     carry(obj, game.loc);
 387     if (obj == BOTTLE && LIQUID() != NO_OBJECT)
 388         game.place[LIQUID()] = CARRIED;
 389     if (GSTONE(obj) && game.prop[obj] != 0) {
 390         game.prop[obj]
 391             = STATE_GROUND;
 392         game.prop[CAVITY] = CAVITY_EMPTY;
 393     }
 394     rspeak(OK_MAN);
 395     return GO_CLEAROBJ;
 396 }
 397
 398 static int chain(token_t verb)
 399 /* Do something to the bear's chain */
 400 {
 401     if (verb != LOCK) {
 402         if (game.prop[BEAR] == UNTAMED_BEAR) {
 403             rspeak(BEAR_BLOCKS);
 404             return GO_CLEAROBJ;
 405         }
 406         if (game.prop[CHAIN] == CHAIN_HEAP) {
 407             rspeak(ALREADY_UNLOCKED);
 408             return GO_CLEAROBJ;
 409         }
 410         game.prop[CHAIN] = CHAIN_HEAP;
 411         game.fixed[CHAIN] = CHAIN_HEAP;
 412         if (game.prop[BEAR] != BEAR_DEAD)
 413             game.prop[BEAR] = CONTENTED_BEAR;
 414
 415         switch (game.prop[BEAR]) {
 416         case BEAR_DEAD:
 417             game.fixed[BEAR] = -1;
 418             break;
 419         default:
 420             game.fixed[BEAR] = 0;
 421         }
 422         rspeak(CHAIN_UNLOCKED);
 423         return GO_CLEAROBJ;
 424     }
 425
 426     if (game.prop[CHAIN] != CHAIN_HEAP) {
 427         rspeak(ALREADY_LOCKED);
 428         return GO_CLEAROBJ;
 429     }
 430     if (game.loc != objects[CHAIN].plac) {
 431         rspeak(NO_LOCKSITE);
 432         return GO_CLEAROBJ;
 433     }
 434
 435     game.prop[CHAIN] = CHAIN_FIXED;
 436
 437     if (TOTING(CHAIN))
 438         drop(CHAIN, game.loc);
 439     game.fixed[CHAIN] = -1;
 440
 441     rspeak(CHAIN_LOCKED);
 442     return GO_CLEAROBJ;
 443 }
 444
 445 static int discard(token_t verb, token_t obj, bool just_do_it)
 446 /*  Discard object.  "Throw" also comes here for most objects.  Special cases for
 447  *  bird (might attack snake or dragon) and cage (might contain bird) and vase.
 448  *  Drop coins at vending machine for extra batteries. */
 449 {
 450     int spk = actions[verb].message;
 451     if (!just_do_it) {
 452         if (TOTING(ROD2) && obj == ROD && !TOTING(ROD))
 453             obj = ROD2;
 454         if (!TOTING(obj)) {
 455             rspeak(spk);
 456             return GO_CLEAROBJ;
 457         }
 458         if (obj == BIRD && HERE(SNAKE)) {
 459             rspeak(BIRD_ATTACKS);
 460             if (game.closed)
 461                 return GO_DWARFWAKE;
 462             DESTROY(SNAKE);
 463             /* Set game.prop for use by travel options */
 464             game.prop[SNAKE] = SNAKE_CHASED;
 465
 466         } else if ((GSTONE(obj) && AT(CAVITY) && game.prop[CAVITY] != CAVITY_FULL)) {
 467             rspeak(GEM_FITS);
 468             game.prop[obj] = 1;
 469             game.prop[CAVITY] = CAVITY_FULL;
 470             if (HERE(RUG) && ((obj == EMERALD && game.prop[RUG] != RUG_HOVER) ||
 471                               (obj == RUBY && game.prop[RUG] == RUG_HOVER))) {
 472                 spk = RUG_RISES;
 473                 if (TOTING(RUG))
 474                     spk = RUG_WIGGLES;
 475                 if (obj == RUBY)
 476                     spk = RUG_SETTLES;
 477                 rspeak(spk);
 478                 if (spk != RUG_WIGGLES) {
 479                     /* FIXME: Arithmetic on state numbers */
 480                     int k = 2 - game.prop[RUG];
 481                     game.prop[RUG] = k;
 482                     if (k == 2)
 483                         k = objects[SAPPH].plac;
 484                     move(RUG + NOBJECTS, k);
 485                 }
 486             }
 487         } else if (obj == COINS && HERE(VEND)) {
 488             DESTROY(COINS);
 489             drop(BATTERY, game.loc);
 490             pspeak(BATTERY, look, FRESH_BATTERIES, true);
 491             return GO_CLEAROBJ;
 492         } else if (obj == BIRD && AT(DRAGON) && game.prop[DRAGON] == DRAGON_BARS) {
 493             rspeak(BIRD_BURNT);
 494             DESTROY(BIRD);
 495             return GO_CLEAROBJ;
 496         } else if (obj == BEAR && AT(TROLL)) {
 497             state_change(TROLL, TROLL_GONE);
 498             move(TROLL, LOC_NOWHERE);
 499             move(TROLL + NOBJECTS, LOC_NOWHERE);
 500             move(TROLL2, objects[TROLL].plac);
 501             move(TROLL2 + NOBJECTS, objects[TROLL].fixd);
 502             juggle(CHASM);
 503         } else if (obj != VASE ||
 504                    game.loc == objects[PILLOW].plac) {
 505             rspeak(OK_MAN);
 506         } else {
 507             game.prop[VASE] = VASE_BROKEN;
 508             if (AT(PILLOW))
 509                 game.prop[VASE] = VASE_WHOLE;
 510             pspeak(VASE, look, game.prop[VASE] + 1, true);
 511             if (game.prop[VASE] != VASE_WHOLE)
 512                 game.fixed[VASE] = -1;
 513         }
 514     }
 515     int k = LIQUID();
 516     if (k == obj)
 517         obj = BOTTLE;
 518     if (obj == BOTTLE && k != 0)
 519         game.place[k] = LOC_NOWHERE;
 520     if (obj == CAGE && game.prop[BIRD] == BIRD_CAGED)
 521         drop(BIRD, game.loc);
 522     drop(obj, game.loc);
 523     if (obj != BIRD)
 524         return GO_CLEAROBJ;
 525     game.prop[BIRD] = BIRD_UNCAGED;
 526     if (FOREST(game.loc))
 527         game.prop[BIRD] = BIRD_FOREST_UNCAGED;
 528     return GO_CLEAROBJ;
 529 }
 530
 531 static int drink(token_t verb, token_t obj)
 532 /*  Drink.  If no object, assume water and look for it here.  If water is in
 533  *  the bottle, drink that, else must be at a water loc, so drink stream. */
 534 {
 535     if (obj == NO_OBJECT && LIQLOC(game.loc) != WATER &&
 536         (LIQUID() != WATER || !HERE(BOTTLE))) {
 537         return GO_UNKNOWN;
 538     }
 539
 540     if (obj == BLOOD) {
 541         DESTROY(BLOOD);
 542         state_change(DRAGON, DRAGON_BLOODLESS);
 543         game.blooded = true;
 544         return GO_CLEAROBJ;
 545     }
 546
 547     if (obj != NO_OBJECT && obj != WATER) {
 548         rspeak(RIDICULOUS_ATTEMPT);
 549         return GO_CLEAROBJ;
 550     }
 551     if (LIQUID() == WATER && HERE(BOTTLE)) {
 552         game.prop[BOTTLE] = EMPTY_BOTTLE;
 553         game.place[WATER] = LOC_NOWHERE;
 554         rspeak(BOTTLE_EMPTY);
 555         return GO_CLEAROBJ;
 556     }
 557
 558     rspeak(actions[verb].message);
 559     return GO_CLEAROBJ;
 560 }
 561
 562 static int eat(token_t verb, token_t obj)
 563 /*  Eat.  Intransitive: assume food if present, else ask what.  Transitive: food
 564  *  ok, some things lose appetite, rest are ridiculous. */
 565 {
 566     if (obj == INTRANSITIVE) {
 567         if (!HERE(FOOD))
 568             return GO_UNKNOWN;
 569         DESTROY(FOOD);
 570         rspeak(THANKS_DELICIOUS);
 571         return GO_CLEAROBJ;
 572     }
 573     if (obj == FOOD) {
 574         DESTROY(FOOD);
 575         rspeak(THANKS_DELICIOUS);
 576         return GO_CLEAROBJ;
 577     }
 578     if (obj == BIRD ||
 579         obj == SNAKE ||
 580         obj == CLAM ||
 581         obj == OYSTER ||
 582         obj == DWARF ||
 583         obj == DRAGON ||
 584         obj == TROLL ||
 585         obj == BEAR ||
 586         obj == OGRE) {
 587         rspeak(LOST_APPETITE);
 588         return GO_CLEAROBJ;
 589     }
 590     rspeak(actions[verb].message);
 591     return GO_CLEAROBJ;
 592 }
 593
 594 static int extinguish(token_t verb, int obj)
 595 /* Extinguish.  Lamp, urn, dragon/volcano (nice try). */
 596 {
 597     if (obj == INTRANSITIVE) {
 598         if (HERE(LAMP) && game.prop[LAMP] == LAMP_BRIGHT)
 599             obj = LAMP;
 600         if (HERE(URN) && game.prop[URN] == URN_LIT)
 601             obj = URN;
 602         if (obj == INTRANSITIVE)
 603             return GO_UNKNOWN;
 604     }
 605
 606     if (obj == URN) {
 607         if (game.prop[URN] != URN_EMPTY) {
 608             state_change(URN, URN_DARK);
 609         } else {
 610             pspeak(URN, change, URN_DARK, true);
 611         }
 612         return GO_CLEAROBJ;
 613     }
 614
 615     if (obj == LAMP) {
 616         state_change(LAMP, LAMP_DARK);
 617         rspeak(DARK(game.loc) ?
 618                PITCH_DARK :
 619                NO_MESSAGE);
 620         return GO_CLEAROBJ;
 621     }
 622
 623     if (obj == DRAGON ||
 624         obj == VOLCANO) {
 625         rspeak(BEYOND_POWER);
 626         return GO_CLEAROBJ;
 627     }
 628
 629     rspeak(actions[verb].message);
 630     return GO_CLEAROBJ;
 631 }
 632
 633 static int feed(token_t verb, token_t obj)
 634 /*  Feed.  If bird, no seed.  Snake, dragon, troll: quip.  If dwarf, make him
 635  *  mad.  Bear, special. */
 636 {
 637     int spk = actions[verb].message;
 638     if (obj == BIRD) {
 639         rspeak(BIRD_PINING);
 640         return GO_CLEAROBJ;
 641     } else if (obj == SNAKE ||
 642                obj == DRAGON ||
 643                obj == TROLL) {
 644         spk = NOTHING_EDIBLE;
 645         if (obj == DRAGON && game.prop[DRAGON] != DRAGON_BARS)
 646             spk = RIDICULOUS_ATTEMPT;
 647         if (obj == TROLL)
 648             spk = TROLL_VICES;
 649         if (obj == SNAKE && !game.closed && HERE(BIRD)) {
 650             DESTROY(BIRD);
 651             spk = BIRD_DEVOURED;
 652         }
 653     } else if (obj == DWARF) {
 654         if (HERE(FOOD)) {
 655             game.dflag += 2;
 656             spk = REALLY_MAD;
 657         }
 658     } else if (obj == BEAR) {
 659         if (game.prop[BEAR] == UNTAMED_BEAR)
 660             spk = NOTHING_EDIBLE;
 661         if (game.prop[BEAR] == BEAR_DEAD)
 662             spk = RIDICULOUS_ATTEMPT;
 663         if (HERE(FOOD)) {
 664             DESTROY(FOOD);
 665             game.prop[BEAR] = SITTING_BEAR;
 666             game.fixed[AXE] = 0;
 667             game.prop[AXE] = 0;
 668             spk = BEAR_TAMED;
 669         }
 670     } else if (obj == OGRE) {
 671         if (HERE(FOOD))
 672             spk = OGRE_FULL;
 673     } else {
 674         spk = AM_GAME;
 675     }
 676     rspeak(spk);
 677     return GO_CLEAROBJ;
 678 }
 679
 680 int fill(token_t verb, token_t obj)
 681 /*  Fill.  Bottle or urn must be empty, and liquid available.  (Vase
 682  *  is nasty.) */
 683 {
 684     if (obj == VASE) {
 685         if (LIQLOC(game.loc) == NO_OBJECT) {
 686             rspeak(FILL_INVALID);
 687             return GO_CLEAROBJ;
 688         }
 689         if (!TOTING(VASE)) {
 690             rspeak(ARENT_CARRYING);
 691             return GO_CLEAROBJ;
 692         }
 693         rspeak(SHATTER_VASE);
 694         game.prop[VASE] = VASE_BROKEN;
 695         game.fixed[VASE] = -1;
 696         return (discard(verb, obj, true));
 697     }
 698
 699     if (obj == URN) {
 700         if (game.prop[URN] != URN_EMPTY) {
 701             rspeak(FULL_URN);
 702             return GO_CLEAROBJ;
 703         }
 704         if (!HERE(BOTTLE)) {
 705             rspeak(FILL_INVALID);
 706             return GO_CLEAROBJ;
 707         }
 708         int k = LIQUID();
 709         switch (k) {
 710         case WATER:
 711             game.prop[BOTTLE] = EMPTY_BOTTLE;
 712             rspeak(WATER_URN);
 713             break;
 714         case OIL:
 715             game.prop[URN] = URN_DARK;
 716             game.prop[BOTTLE] = EMPTY_BOTTLE;
 717             rspeak(OIL_URN);
 718             break;
 719         case NO_OBJECT:
 720         default:
 721             rspeak(FILL_INVALID);
 722             return GO_CLEAROBJ;
 723         }
 724         game.place[k] = LOC_NOWHERE;
 725         return GO_CLEAROBJ;
 726     }
 727     if (obj != NO_OBJECT && obj != BOTTLE) {
 728         rspeak(actions[verb].message);
 729         return GO_CLEAROBJ;
 730     }
 731     if (obj == NO_OBJECT && !HERE(BOTTLE))
 732         return GO_UNKNOWN;
 733
 734     if (HERE(URN) && game.prop[URN] != URN_EMPTY) {
 735         rspeak(URN_NOPOUR);
 736         return GO_CLEAROBJ;
 737     }
 738     if (LIQUID() != NO_OBJECT) {
 739         rspeak(BOTTLE_FULL);
 740         return GO_CLEAROBJ;
 741     }
 742     if (LIQLOC(game.loc) == NO_OBJECT) {
 743         rspeak(NO_LIQUID);
 744         return GO_CLEAROBJ;
 745     }
 746
 747     game.prop[BOTTLE] = (LIQLOC(game.loc) == OIL) ? OIL_BOTTLE : WATER_BOTTLE;
 748     if (TOTING(BOTTLE))
 749         game.place[LIQUID()] = CARRIED;
 750     if (LIQUID() == OIL)
 751         rspeak(BOTTLED_OIL);
 752     else
 753         rspeak(BOTTLED_WATER);
 754     return GO_CLEAROBJ;
 755 }
 756
 757 static int find(token_t verb, token_t obj)
 758 /* Find.  Might be carrying it, or it might be here.  Else give caveat. */
 759 {
 760     if (TOTING(obj)) {
 761         rspeak(ALREADY_CARRYING);
 762         return GO_CLEAROBJ;
 763     }
 764
 765     if (game.closed) {
 766         rspeak(NEEDED_NEARBY);
 767         return GO_CLEAROBJ;
 768     }
 769
 770     if (AT(obj) ||
 771         (LIQUID() == obj && AT(BOTTLE)) ||
 772         obj == LIQLOC(game.loc) ||
 773         (obj == DWARF && atdwrf(game.loc) > 0)) {
 774         rspeak(YOU_HAVEIT);
 775         return GO_CLEAROBJ;
 776     }
 777
 778
 779     rspeak(actions[verb].message);
 780     return GO_CLEAROBJ;
 781 }
 782
 783 static int fly(token_t verb, token_t obj)
 784 /* Fly.  Snide remarks unless hovering rug is here. */
 785 {
 786     if (obj == INTRANSITIVE) {
 787         if (!HERE(RUG)) {
 788             rspeak(FLAP_ARMS);
 789             return GO_CLEAROBJ;
 790         }
 791         if (game.prop[RUG] != RUG_HOVER) {
 792             rspeak(RUG_NOTHING2);
 793             return GO_CLEAROBJ;
 794         }
 795         obj = RUG;
 796     }
 797
 798     if (obj != RUG) {
 799         rspeak(actions[verb].message);
 800         return GO_CLEAROBJ;
 801     }
 802     if (game.prop[RUG] != RUG_HOVER) {
 803         rspeak(RUG_NOTHING1);
 804         return GO_CLEAROBJ;
 805     }
 806     game.oldlc2 = game.oldloc;
 807     game.oldloc = game.loc;
 808     /* FIXME: Arithmetic on location values */
 809     game.newloc = game.place[RUG] + game.fixed[RUG] - game.loc;
 810
 811     if (game.prop[SAPPH] >= 0) {
 812         rspeak(RUG_RETURNS);
 813     } else {
 814         rspeak(RUG_GOES);
 815     }
 816     return GO_TERMINATE;
 817 }
 818
 819 static int inven(void)
 820 /* Inventory. If object, treat same as find.  Else report on current burden. */
 821 {
 822     bool empty = true;
 823     for (int i = 1; i <= NOBJECTS; i++) {
 824         if (i == BEAR ||
 825             !TOTING(i))
 826             continue;
 827         if (empty) {
 828             rspeak(NOW_HOLDING);
 829             empty = false;
 830         }
 831         pspeak(i, touch, -1, false);
 832     }
 833     if (TOTING(BEAR))
 834         rspeak(TAME_BEAR);
 835     if (empty)
 836         rspeak(NO_CARRY);
 837     return GO_CLEAROBJ;
 838 }
 839
 840 static int light(token_t verb, token_t obj)
 841 /*  Light.  Applicable only to lamp and urn. */
 842 {
 843     if (obj == INTRANSITIVE) {
 844         if (HERE(LAMP) && game.prop[LAMP] == LAMP_DARK && game.limit >= 0)
 845             obj = LAMP;
 846         if (HERE(URN) && game.prop[URN] == URN_DARK)
 847             obj =  URN;
 848         if (obj == INTRANSITIVE ||
 849             (HERE(LAMP) && game.prop[LAMP] == LAMP_DARK && game.limit >= 0 &&
 850              HERE(URN) && game.prop[URN] == URN_DARK))
 851             return GO_UNKNOWN;
 852     }
 853
 854     if (obj == URN) {
 855         state_change(URN, game.prop[URN] == URN_EMPTY ?
 856                      URN_EMPTY :
 857                      URN_LIT);
 858         return GO_CLEAROBJ;
 859     } else {
 860         if (obj != LAMP) {
 861             rspeak(actions[verb].message);
 862             return GO_CLEAROBJ;
 863         }
 864         if (game.limit < 0) {
 865             rspeak(LAMP_OUT);
 866             return GO_CLEAROBJ;
 867         }
 868         state_change(LAMP, LAMP_BRIGHT);
 869         if (game.wzdark)
 870             return GO_TOP;
 871         else
 872             return GO_CLEAROBJ;
 873     }
 874 }
 875
 876 static int listen(void)
 877 /*  Listen.  Intransitive only.  Print stuff based on objsnd/locsnd. */
 878 {
 879     long sound = locations[game.loc].sound;
 880     if (sound != SILENT) {
 881         rspeak(sound);
 882         if (!locations[game.loc].loud)
 883             rspeak(NO_MESSAGE);
 884         return GO_CLEAROBJ;
 885     }
 886     for (int i = 1; i <= NOBJECTS; i++) {
 887         if (!HERE(i) ||
 888             objects[i].sounds[0] == NULL ||
 889             game.prop[i] < 0)
 890             continue;
 891         int mi =  game.prop[i];
 892         if (i == BIRD)
 893             mi += 3 * game.blooded;
 894         long packed_zzword = token_to_packed(game.zzword);
 895         pspeak(i, hear, mi, true, packed_zzword);
 896         rspeak(NO_MESSAGE);
 897         /* FIXME: Magic number, sensitive to bird state logic */
 898         if (i == BIRD && game.prop[i] == 5)
 899             DESTROY(BIRD);
 900         return GO_CLEAROBJ;
 901     }
 902     rspeak(ALL_SILENT);
 903     return GO_CLEAROBJ;
 904 }
 905
 906 static int lock(token_t verb, token_t obj)
 907 /* Lock, unlock, no object given.  Assume various things if present. */
 908 {
 909     if (obj == INTRANSITIVE) {
 910         if (HERE(CLAM))
 911             obj = CLAM;
 912         if (HERE(OYSTER))
 913             obj = OYSTER;
 914         if (AT(DOOR))
 915             obj = DOOR;
 916         if (AT(GRATE))
 917             obj = GRATE;
 918         if (HERE(CHAIN))
 919             obj = CHAIN;
 920         if (obj == INTRANSITIVE) {
 921             rspeak(NOTHING_LOCKED);
 922             return GO_CLEAROBJ;
 923         }
 924     }
 925
 926     /*  Lock, unlock object.  Special stuff for opening clam/oyster
 927      *  and for chain. */
 928     if (obj == GRATE ||
 929         obj == CHAIN) {
 930         if (HERE(KEYS)) {
 931             if (obj == CHAIN)
 932                 return chain(verb);
 933             if (game.closng) {
 934                 rspeak(EXIT_CLOSED);
 935                 if (!game.panic)
 936                     game.clock2 = PANICTIME;
 937                 game.panic = true;
 938                 return GO_CLEAROBJ ;
 939             } else {
 940                 state_change(GRATE, (verb == LOCK) ?
 941                              GRATE_CLOSED :
 942                              GRATE_OPEN);
 943                 return GO_CLEAROBJ;
 944             }
 945         }
 946         rspeak(NO_KEYS);
 947         return GO_CLEAROBJ;
 948     }
 949
 950     switch (obj) {
 951     case CLAM:
 952         if (verb == LOCK)
 953             rspeak(HUH_MAN);
 954         else if (!TOTING(TRIDENT))
 955             rspeak(OYSTER_OPENER);
 956         else {
 957             DESTROY(CLAM);
 958             drop(OYSTER, game.loc);
 959             drop(PEARL, LOC_CULDESAC);
 960             rspeak(PEARL_FALLS);
 961         }
 962         return GO_CLEAROBJ;
 963     case OYSTER:
 964         if (verb == LOCK)
 965             rspeak(HUH_MAN);
 966         else
 967             rspeak(OYSTER_OPENER);
 968
 969         return GO_CLEAROBJ;
 970     case DOOR:
 971         rspeak((game.prop[DOOR] == DOOR_UNRUSTED) ? OK_MAN : RUSTY_DOOR);
 972         break;
 973     case CAGE:
 974         rspeak( NO_LOCK);
 975         break;
 976     case KEYS:
 977         rspeak(CANNOT_UNLOCK);
 978         break;
 979     default:
 980         rspeak(actions[verb].message);
 981     }
 982
 983     return GO_CLEAROBJ;
 984 }
 985
 986 static int pour(token_t verb, token_t obj)
 987 /*  Pour.  If no object, or object is bottle, assume contents of bottle.
 988  *  special tests for pouring water or oil on plant or rusty door. */
 989 {
 990     if (obj == BOTTLE ||
 991         obj == NO_OBJECT)
 992         obj = LIQUID();
 993     if (obj == NO_OBJECT)
 994         return GO_UNKNOWN;
 995     if (!TOTING(obj)) {
 996         rspeak(actions[verb].message);
 997         return GO_CLEAROBJ;
 998     }
 999
1000     if (obj != OIL && obj != WATER) {
1001         rspeak(CANT_POUR);
1002         return GO_CLEAROBJ;
1003     }
1004     if (HERE(URN) && game.prop[URN] == URN_EMPTY)
1005         return fill(verb, URN);
1006     game.prop[BOTTLE] = EMPTY_BOTTLE;
1007     game.place[obj] = LOC_NOWHERE;
1008     if (!(AT(PLANT) ||
1009           AT(DOOR))) {
1010         rspeak(GROUND_WET);
1011         return GO_CLEAROBJ;
1012     }
1013     if (!AT(DOOR)) {
1014         if (obj == WATER) {
1015             /* cycle through the three plant states */
1016             state_change(PLANT, MOD(game.prop[PLANT] + 1, 3));
1017             game.prop[PLANT2] = game.prop[PLANT];
1018             return GO_MOVE;
1019         } else {
1020             rspeak(SHAKING_LEAVES);
1021             return GO_CLEAROBJ;
1022         }
1023     } else {
1024         state_change(DOOR, (obj == OIL) ?
1025                      DOOR_UNRUSTED :
1026                      DOOR_RUSTED);
1027         return GO_CLEAROBJ;
1028     }
1029 }
1030
1031 static int quit(void)
1032 /*  Quit.  Intransitive only.  Verify intent and exit if that's what he wants. */
1033 {
1034     if (yes(arbitrary_messages[REALLY_QUIT], arbitrary_messages[OK_MAN], arbitrary_messages[OK_MAN]))
1035         terminate(quitgame);
1036     return GO_CLEAROBJ;
1037 }
1038
1039 static int read(struct command_t command)
1040 /*  Read.  Print stuff based on objtxt.  Oyster (?) is special case. */
1041 {
1042     if (command.obj == INTRANSITIVE) {
1043         command.obj = 0;
1044         for (int i = 1; i <= NOBJECTS; i++) {
1045             if (HERE(i) && objects[i].texts[0] != NULL && game.prop[i] >= 0)
1046                 command.obj = command.obj * NOBJECTS + i;
1047         }
1048         if (command.obj > NOBJECTS ||
1049             command.obj == 0 ||
1050             DARK(game.loc))
1051             return GO_UNKNOWN;
1052     }
1053
1054     if (DARK(game.loc)) {
1055         sspeak(NO_SEE, command.raw1);
1056     } else if (command.obj == OYSTER && !game.clshnt && game.closed) {
1057         game.clshnt = yes(arbitrary_messages[CLUE_QUERY], arbitrary_messages[WAYOUT_CLUE], arbitrary_messages[OK_MAN]);
1058     } else if (objects[command.obj].texts[0] == NULL ||
1059                game.prop[command.obj] < 0) {
1060         rspeak(actions[command.verb].message);
1061     } else
1062         pspeak(command.obj, study, game.prop[command.obj], true);
1063     return GO_CLEAROBJ;
1064 }
1065
1066 static int reservoir(void)
1067 /*  Z'ZZZ (word gets recomputed at startup; different each game). */
1068 {
1069     /* FIXME: Arithmetic on state numbers */
1070     if (!AT(RESER) && game.loc != game.fixed[RESER] - 1) {
1071         rspeak(NOTHING_HAPPENS);
1072         return GO_CLEAROBJ;
1073     } else {
1074         state_change(RESER,
1075                      game.prop[RESER] == WATERS_PARTED ? WATERS_UNPARTED : WATERS_PARTED);
1076         if (AT(RESER))
1077             return GO_CLEAROBJ;
1078         else {
1079             game.oldlc2 = game.loc;
1080             game.newloc = LOC_NOWHERE;
1081             rspeak(NOT_BRIGHT);
1082             return GO_TERMINATE;
1083         }
1084     }
1085 }
1086
1087 static int rub(token_t verb, token_t obj)
1088 /* Rub.  Yields various snide remarks except for lit urn. */
1089 {
1090     if (obj == URN && game.prop[URN] == URN_LIT) {
1091         DESTROY(URN);
1092         drop(AMBER, game.loc);
1093         game.prop[AMBER] = AMBER_IN_ROCK;
1094         --game.tally;
1095         drop(CAVITY, game.loc);
1096         rspeak(URN_GENIES);
1097     } else if (obj != LAMP) {
1098         rspeak(PECULIAR_NOTHING);
1099     } else {
1100         rspeak(actions[verb].message);
1101     }
1102     return GO_CLEAROBJ;
1103 }
1104
1105 static int say(struct command_t *command)
1106 /* Say.  Echo WD2 (or WD1 if no WD2 (SAY WHAT?, etc.).)  Magic words override. */
1107 {
1108     if (command->wd2 > 0) {
1109         command->wd1 = command->wd2;
1110         strcpy(command->raw1, command->raw2);
1111     }
1112     char word1[TOKLEN + 1];
1113     packed_to_token(command->wd1, word1);
1114     int wd = (int) get_vocab_id(word1);
1115     /* FIXME: magic numbers */
1116     if (wd == MOTION_WORD(XYZZY) ||
1117         wd == MOTION_WORD(PLUGH) ||
1118         wd == MOTION_WORD(PLOVER) ||
1119         wd == ACTION_WORD(GIANTWORDS) ||
1120         wd == ACTION_WORD(PART)) {
1121         /* FIXME: scribbles on the interpreter's command block */
1122         wordclear(&command->wd2);
1123         return GO_LOOKUP;
1124     }
1125     sspeak(OKEY_DOKEY, command->raw1);
1126     return GO_CLEAROBJ;
1127 }
1128
1129 static int throw_support(long spk)
1130 {
1131     rspeak(spk);
1132     drop(AXE, game.loc);
1133     return GO_MOVE;
1134 }
1135
1136 static int throw (struct command_t *command)
1137 /*  Throw.  Same as discard unless axe.  Then same as attack except
1138  *  ignore bird, and if dwarf is present then one might be killed.
1139  *  (Only way to do so!)  Axe also special for dragon, bear, and
1140  *  troll.  Treasures special for troll. */
1141 {
1142     if (TOTING(ROD2) && command->obj == ROD && !TOTING(ROD))
1143         command->obj = ROD2;
1144     if (!TOTING(command->obj)) {
1145         rspeak(actions[command->verb].message);
1146         return GO_CLEAROBJ;
1147     }
1148     if (objects[command->obj].is_treasure && AT(TROLL)) {
1149         /*  Snarf a treasure for the troll. */
1150         drop(command->obj, LOC_NOWHERE);
1151         move(TROLL, LOC_NOWHERE);
1152         move(TROLL + NOBJECTS, LOC_NOWHERE);
1153         drop(TROLL2, objects[TROLL].plac);
1154         drop(TROLL2 + NOBJECTS, objects[TROLL].fixd);
1155         juggle(CHASM);
1156         rspeak(TROLL_SATISFIED);
1157         return GO_CLEAROBJ;
1158     }
1159     if (command->obj == FOOD && HERE(BEAR)) {
1160         /* But throwing food is another story. */
1161         command->obj = BEAR;
1162         return (feed(command->verb, command->obj));
1163     }
1164     if (command->obj != AXE)
1165         return (discard(command->verb, command->obj, false));
1166     else {
1167         if (atdwrf(game.loc) <= 0) {
1168             if (AT(DRAGON) && game.prop[DRAGON] == DRAGON_BARS)
1169                 return throw_support(DRAGON_SCALES);
1170             if (AT(TROLL))
1171                 return throw_support(TROLL_RETURNS);
1172             else if (AT(OGRE))
1173                 return throw_support(OGRE_DODGE);
1174             else if (HERE(BEAR) && game.prop[BEAR] == UNTAMED_BEAR) {
1175                 /* This'll teach him to throw the axe at the bear! */
1176                 drop(AXE, game.loc);
1177                 game.fixed[AXE] = -1;
1178                 juggle(BEAR);
1179                 state_change(AXE, AXE_LOST);
1180                 return GO_CLEAROBJ;
1181             }
1182             command->obj = NO_OBJECT;
1183             return (attack(command));
1184         }
1185
1186         if (randrange(NDWARVES + 1) < game.dflag) {
1187             return throw_support(DWARF_DODGES);
1188         } else {
1189             long i = atdwrf(game.loc);
1190             game.dseen[i] = false;
1191             game.dloc[i] = LOC_NOWHERE;
1192             return throw_support((++game.dkill == 1) ?
1193                                  DWARF_SMOKE :
1194                                  KILLED_DWARF);
1195         }
1196     }
1197 }
1198
1199 static int wake(token_t verb, token_t obj)
1200 /* Wake.  Only use is to disturb the dwarves. */
1201 {
1202     if (obj != DWARF ||
1203         !game.closed) {
1204         rspeak(actions[verb].message);
1205         return GO_CLEAROBJ;
1206     } else {
1207         rspeak(PROD_DWARF);
1208         return GO_DWARFWAKE;
1209     }
1210 }
1211
1212 static int wave(token_t verb, token_t obj)
1213 /* Wave.  No effect unless waving rod at fissure or at bird. */
1214 {
1215     if (obj != ROD ||
1216         !TOTING(obj) ||
1217         (!HERE(BIRD) &&
1218          (game.closng ||
1219           !AT(FISSURE)))) {
1220         rspeak(((!TOTING(obj)) && (obj != ROD ||
1221                                    !TOTING(ROD2))) ?
1222                ARENT_CARRYING :
1223                actions[verb].message);
1224         return GO_CLEAROBJ;
1225     }
1226
1227     if (game.prop[BIRD] == BIRD_UNCAGED && game.loc == game.place[STEPS] && game.prop[JADE] < 0) {
1228         drop(JADE, game.loc);
1229         game.prop[JADE] = 0;
1230         --game.tally;
1231         rspeak(NECKLACE_FLY);
1232         return GO_CLEAROBJ;
1233     } else {
1234         if (game.closed) {
1235             rspeak((game.prop[BIRD] == BIRD_CAGED) ?
1236                    CAGE_FLY :
1237                    FREE_FLY);
1238             return GO_DWARFWAKE;
1239         }
1240         if (game.closng ||
1241             !AT(FISSURE)) {
1242             rspeak((game.prop[BIRD] == BIRD_CAGED) ?
1243                    CAGE_FLY :
1244                    FREE_FLY);
1245             return GO_CLEAROBJ;
1246         }
1247         if (HERE(BIRD))
1248             rspeak((game.prop[BIRD] == BIRD_CAGED) ?
1249                    CAGE_FLY :
1250                    FREE_FLY);
1251
1252         state_change(FISSURE,
1253                      game.prop[FISSURE] == BRIDGED ? UNBRIDGED : BRIDGED);
1254         return GO_CLEAROBJ;
1255     }
1256 }
1257
1258 int action(struct command_t *command)
1259 /*  Analyse a verb.  Remember what it was, go back for object if second word
1260  *  unless verb is "say", which snarfs arbitrary second word.
1261  */
1262 {
1263     if (command->part == unknown) {
1264         /*  Analyse an object word.  See if the thing is here, whether
1265          *  we've got a verb yet, and so on.  Object must be here
1266          *  unless verb is "find" or "invent(ory)" (and no new verb
1267          *  yet to be analysed).  Water and oil are also funny, since
1268          *  they are never actually dropped at any location, but might
1269          *  be here inside the bottle or urn or as a feature of the
1270          *  location. */
1271         if (HERE(command->obj))
1272             /* FALL THROUGH */;
1273         else if (command->obj == GRATE) {
1274             if (game.loc == LOC_START ||
1275                 game.loc == LOC_VALLEY ||
1276                 game.loc == LOC_SLIT) {
1277                 command->obj = DPRSSN;
1278             }
1279             if (game.loc == LOC_COBBLE ||
1280                 game.loc == LOC_DEBRIS ||
1281                 game.loc == LOC_AWKWARD ||
1282                 game.loc == LOC_BIRD ||
1283                 game.loc == LOC_PITTOP) {
1284                 command->obj = ENTRNC;
1285             }
1286         } else if (command->obj == DWARF && atdwrf(game.loc) > 0)
1287             /* FALL THROUGH */;
1288         else if ((LIQUID() == command->obj && HERE(BOTTLE)) ||
1289                  command->obj == LIQLOC(game.loc))
1290             /* FALL THROUGH */;
1291         else if (command->obj == OIL && HERE(URN) && game.prop[URN] != 0) {
1292             command->obj = URN;
1293             /* FALL THROUGH */;
1294         } else if (command->obj == PLANT && AT(PLANT2) && game.prop[PLANT2] != 0) {
1295             command->obj = PLANT2;
1296             /* FALL THROUGH */;
1297         } else if (command->obj == KNIFE && game.knfloc == game.loc) {
1298             game.knfloc = -1;
1299             rspeak(KNIVES_VANISH);
1300             return GO_CLEAROBJ;
1301         } else if (command->obj == ROD && HERE(ROD2)) {
1302             command->obj = ROD2;
1303             /* FALL THROUGH */;
1304         } else if ((command->verb == FIND ||
1305                     command->verb == INVENTORY) && command->wd2 <= 0)
1306             /* FALL THROUGH */;
1307         else {
1308             sspeak(NO_SEE, command->raw1);
1309             return GO_CLEAROBJ;
1310         }
1311
1312         if (command->wd2 > 0)
1313             return GO_WORD2;
1314         if (command->verb != 0)
1315             command->part = transitive;
1316     }
1317
1318     switch (command->part) {
1319     case intransitive:
1320         if (command->wd2 > 0 && command->verb != SAY)
1321             return GO_WORD2;
1322         if (command->verb == SAY)
1323             command->obj = command->wd2;
1324         if (command->obj == NO_OBJECT ||
1325             command->obj == INTRANSITIVE) {
1326             /*  Analyse an intransitive verb (ie, no object given yet). */
1327             switch (command->verb) {
1328             case CARRY:
1329                 return vcarry(command->verb, INTRANSITIVE);
1330             case  DROP:
1331                 return GO_UNKNOWN;
1332             case  SAY:
1333                 return GO_UNKNOWN;
1334             case  UNLOCK:
1335                 return lock(command->verb, INTRANSITIVE);
1336             case  NOTHING: {
1337                 rspeak(OK_MAN);
1338                 return (GO_CLEAROBJ);
1339             }
1340             case  LOCK:
1341                 return lock(command->verb, INTRANSITIVE);
1342             case  LIGHT:
1343                 return light(command->verb, INTRANSITIVE);
1344             case  EXTINGUISH:
1345                 return extinguish(command->verb, INTRANSITIVE);
1346             case  WAVE:
1347                 return GO_UNKNOWN;
1348             case  TAME:
1349                 return GO_UNKNOWN;
1350             case GO: {
1351                 rspeak(actions[command->verb].message);
1352                 return GO_CLEAROBJ;
1353             }
1354             case ATTACK:
1355                 return attack(command);
1356             case POUR:
1357                 return pour(command->verb, command->obj);
1358             case EAT:
1359                 return eat(command->verb, INTRANSITIVE);
1360             case DRINK:
1361                 return drink(command->verb, command->obj);
1362             case RUB:
1363                 return GO_UNKNOWN;
1364             case THROW:
1365                 return GO_UNKNOWN;
1366             case QUIT:
1367                 return quit();
1368             case FIND:
1369                 return GO_UNKNOWN;
1370             case INVENTORY:
1371                 return inven();
1372             case FEED:
1373                 return GO_UNKNOWN;
1374             case FILL:
1375                 return fill(command->verb, command->obj);
1376             case BLAST:
1377                 blast();
1378                 return GO_CLEAROBJ;
1379             case SCORE:
1380                 score(scoregame);
1381                 return GO_CLEAROBJ;
1382             case GIANTWORDS:
1383                 return bigwords(command->wd1);
1384             case BRIEF:
1385                 return brief();
1386             case READ:
1387                 command->obj = INTRANSITIVE;
1388                 return read(*command);
1389             case BREAK:
1390                 return GO_UNKNOWN;
1391             case WAKE:
1392                 return GO_UNKNOWN;
1393             case SAVE:
1394                 return suspend();
1395             case RESUME:
1396                 return resume();
1397             case FLY:
1398                 return fly(command->verb, INTRANSITIVE);
1399             case LISTEN:
1400                 return listen();
1401             case PART:
1402                 return reservoir();
1403             default:
1404                 BUG(INTRANSITIVE_ACTION_VERB_EXCEEDS_GOTO_LIST); // LCOV_EXCL_LINE
1405             }
1406         }
1407     /* FALLTHRU */
1408     case transitive:
1409         /*  Analyse a transitive verb. */
1410         switch (command->verb) {
1411         case  CARRY:
1412             return vcarry(command->verb, command->obj);
1413         case  DROP:
1414             return discard(command->verb, command->obj, false);
1415         case  SAY:
1416             return say(command);
1417         case  UNLOCK:
1418             return lock(command->verb, command->obj);
1419         case  NOTHING: {
1420             rspeak(OK_MAN);
1421             return (GO_CLEAROBJ);
1422         }
1423         case  LOCK:
1424             return lock(command->verb, command->obj);
1425         case LIGHT:
1426             return light(command->verb, command->obj);
1427         case EXTINGUISH:
1428             return extinguish(command->verb, command->obj);
1429         case WAVE:
1430             return wave(command->verb, command->obj);
1431         case TAME: {
1432             rspeak(actions[command->verb].message);
1433             return GO_CLEAROBJ;
1434         }
1435         case GO: {
1436             rspeak(actions[command->verb].message);
1437             return GO_CLEAROBJ;
1438         }
1439         case ATTACK:
1440             return attack(command);
1441         case POUR:
1442             return pour(command->verb, command->obj);
1443         case EAT:
1444             return eat(command->verb, command->obj);
1445         case DRINK:
1446             return drink(command->verb, command->obj);
1447         case RUB:
1448             return rub(command->verb, command->obj);
1449         case THROW:
1450             return throw (command);
1451         case QUIT: {
1452             rspeak(actions[command->verb].message);
1453             return GO_CLEAROBJ;
1454         }
1455         case FIND:
1456             return find(command->verb, command->obj);
1457         case INVENTORY:
1458             return find(command->verb, command->obj);
1459         case FEED:
1460             return feed(command->verb, command->obj);
1461         case FILL:
1462             return fill(command->verb, command->obj);
1463         case BLAST:
1464             blast();
1465             return GO_CLEAROBJ;
1466         case SCORE: {
1467             rspeak(actions[command->verb].message);
1468             return GO_CLEAROBJ;
1469         }
1470         case GIANTWORDS: {
1471             rspeak(actions[command->verb].message);
1472             return GO_CLEAROBJ;
1473         }
1474         case BRIEF: {
1475             rspeak(actions[command->verb].message);
1476             return GO_CLEAROBJ;
1477         }
1478         case READ:
1479             return read(*command);
1480         case BREAK:
1481             return vbreak(command->verb, command->obj);
1482         case WAKE:
1483             return wake(command->verb, command->obj);
1484         case SAVE: {
1485             rspeak(actions[command->verb].message);
1486             return GO_CLEAROBJ;
1487         }
1488         case RESUME: {
1489             rspeak(actions[command->verb].message);
1490             return GO_CLEAROBJ;
1491         }
1492         case FLY:
1493             return fly(command->verb, command->obj);
1494         case LISTEN: {
1495             rspeak(actions[command->verb].message);
1496             return GO_CLEAROBJ;
1497         }
1498         case PART:
1499             return reservoir();
1500         default:
1501             BUG(TRANSITIVE_ACTION_VERB_EXCEEDS_GOTO_LIST); // LCOV_EXCL_LINE
1502         }
1503     case unknown:
1504         /* Unknown verb, couldn't deduce object - might need hint */
1505         sspeak(WHAT_DO, command->raw1);
1506         return GO_CHECKHINT;
1507     default:
1508         BUG(SPEECHPART_NOT_TRANSITIVE_OR_INTRANSITIVE_OR_UNKNOWN); // LCOV_EXCL_LINE
1509     }
1510 }