games/adventure/main.c

   1 /*-
   2  * Copyright (c) 1991, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * The game adventure was originally written in Fortran by Will Crowther
   6  * and Don Woods.  It was later translated to C and enhanced by Jim
   7  * Gillogly.  This code is derived from software contributed to Berkeley
   8  * by Jim Gillogly at The Rand Corporation.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. All advertising materials mentioning features or use of this software
  19  *    must display the following acknowledgement:
  20  *      This product includes software developed by the University of
  21  *      California, Berkeley and its contributors.
  22  * 4. Neither the name of the University nor the names of its contributors
  23  *    may be used to endorse or promote products derived from this software
  24  *    without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  */
  38
  39 #ifndef lint
  40 static char copyright[] =
  41 "@(#) Copyright (c) 1991, 1993\n\
  42         The Regents of the University of California.  All rights reserved.\n";
  43 #endif /* not lint */
  44
  45 #ifndef lint
  46 static char sccsid[] = "@(#)main.c      8.1 (Berkeley) 6/2/93";
  47 #endif /* not lint */
  48
  49 /*      Re-coding of advent in C: main program                          */
  50
  51 #include <sys/file.h>
  52 #include <signal.h>
  53 #include <stdio.h>
  54 #include <string.h>
  55 #include "hdr.h"
  56
  57
  58 main(argc,argv)
  59 int argc;
  60 char **argv;
  61 {
  62         extern int errno;
  63         register int i;
  64         int rval,ll;
  65         struct text *kk;
  66         extern trapdel();
  67
  68         /* revoke */
  69         setgid(getgid());
  70
  71         init();         /* Initialize everything */
  72         signal(SIGINT,trapdel);
  73
  74         if (argc > 1)   /* Restore file specified */
  75         {               /* Restart is label 8305 (Fortran) */
  76                 i = restore(argv[1]);       /* See what we've got */
  77                 switch(i)
  78                 {
  79                     case 0:     /* The restore worked fine */
  80                         yea=Start();
  81                         k=null;
  82                         unlink(argv[1]);/* Don't re-use the save */
  83                         goto l8;        /* Get where we're going */
  84                     case 1:             /* Couldn't open it */
  85                         exit(1);        /* So give up */
  86                     case 2:             /* Oops -- file was altered */
  87                         rspeak(202);    /* You dissolve */
  88                         exit(1);        /* File could be non-adventure */
  89                 }                       /* So don't unlink it. */
  90         }
  91
  92         startup();              /* prepare for a user           */
  93
  94         for (;;)                        /* main command loop (label 2)  */
  95         {       if (newloc<9 && newloc!=0 && closng)
  96                 {       rspeak(130);    /* if closing leave only by     */
  97                         newloc=loc;     /*      main office             */
  98                         if (!panic) clock2=15;
  99                         panic=TRUE;
 100                 }
 101
 102                 rval=fdwarf();          /* dwarf stuff                  */
 103                 if (rval==99) die(99);
 104
 105         l2000:  if (loc==0) die(99);    /* label 2000                   */
 106                 kk = &stext[loc];
 107                 if ((abb[loc]%abbnum)==0 || kk->seekadr==0)
 108                         kk = &ltext[loc];
 109                 if (!forced(loc) && dark())
 110                 {       if (wzdark && pct(35))
 111                         {       die(90);
 112                                 goto l2000;
 113                         }
 114                         kk = &rtext[16];
 115                 }
 116         l2001:  if (toting(bear)) rspeak(141);  /* 2001                 */
 117                 speak(kk);
 118                 k=1;
 119                 if (forced(loc))
 120                         goto l8;
 121                 if (loc==33 && pct(25)&&!closng) rspeak(8);
 122                 if (!dark())
 123                 {       abb[loc]++;
 124                         for (i=atloc[loc]; i!=0; i=linkx[i])     /*2004  */
 125                         {       obj=i;
 126                                 if (obj>100) obj -= 100;
 127                                 if (obj==steps && toting(nugget)) continue;
 128                                 if (prop[obj]<0)
 129                                 {       if (closed) continue;
 130                                         prop[obj]=0;
 131                                         if (obj==rug||obj==chain)
 132                                                 prop[obj]=1;
 133                                         tally--;
 134                                         if (tally==tally2 && tally != 0)
 135                                                 if (limit>35) limit=35;
 136                                 }
 137                                 ll =  prop[obj];   /* 2006         */
 138                                 if (obj==steps && loc==fixed[steps])
 139                                         ll = 1;
 140                                 pspeak(obj, ll);
 141                         }                                       /* 2008 */
 142                         goto l2012;
 143         l2009:          k=54;                   /* 2009                 */
 144         l2010:          spk=k;
 145         l2011:          rspeak(spk);
 146                 }
 147         l2012:  verb=0;                         /* 2012                 */
 148                 obj=0;
 149         l2600:  checkhints();                   /* to 2600-2602         */
 150                 if (closed)
 151                 {       if (prop[oyster]<0 && toting(oyster))
 152                                 pspeak(oyster,1);
 153                         for (i=1; i<100; i++)
 154                                 if (toting(i)&&prop[i]<0)       /*2604  */
 155                                         prop[i] = -1-prop[i];
 156                 }
 157                 wzdark=dark();                  /* 2605                 */
 158                 if (knfloc>0 && knfloc!=loc) knfloc=1;
 159                 getin(&wd1,&wd2);
 160                 if (delhit)                     /* user typed a DEL     */
 161                 {       delhit=0;               /* reset counter        */
 162                         strcpy(wd1,"quit");    /* pretend he's quitting*/
 163                         *wd2=0;
 164                 }
 165         l2608:  if ((foobar = -foobar)>0) foobar=0;     /* 2608         */
 166                 /* should check here for "magic mode"                   */
 167                 turns++;
 168                 if (demo && turns>=SHORT) done(1);      /* to 13000     */
 169
 170                 if (verb==say && *wd2!=0) verb=0;
 171                 if (verb==say)
 172                         goto l4090;
 173                 if (tally==0 && loc>=15 && loc!=33) clock1--;
 174                 if (clock1==0)
 175                 {       closing();                      /* to 10000     */
 176                         goto l19999;
 177                 }
 178                 if (clock1<0) clock2--;
 179                 if (clock2==0)
 180                 {       caveclose();            /* to 11000             */
 181                         continue;               /* back to 2            */
 182                 }
 183                 if (prop[lamp]==1) limit--;
 184                 if (limit<=30 && here(batter) && prop[batter]==0
 185                         && here(lamp))
 186                 {       rspeak(188);            /* 12000                */
 187                         prop[batter]=1;
 188                         if (toting(batter)) drop(batter,loc);
 189                         limit=limit+2500;
 190                         lmwarn=FALSE;
 191                         goto l19999;
 192                 }
 193                 if (limit==0)
 194                 {       limit = -1;             /* 12400                */
 195                         prop[lamp]=0;
 196                         rspeak(184);
 197                         goto l19999;
 198                 }
 199                 if (limit<0&&loc<=8)
 200                 {       rspeak(185);            /* 12600                */
 201                         gaveup=TRUE;
 202                         done(2);                /* to 20000             */
 203                 }
 204                 if (limit<=30)
 205                 {       if (lmwarn|| !here(lamp)) goto l19999;  /*12200*/
 206                         lmwarn=TRUE;
 207                         spk=187;
 208                         if (place[batter]==0) spk=183;
 209                         if (prop[batter]==1) spk=189;
 210                         rspeak(spk);
 211                 }
 212         l19999: k=43;
 213                 if (liqloc(loc)==water) k=70;
 214                 if (!strncmp(wd1,"enter",5) &&
 215                     (!strncmp(wd2,"strea",5)||!strncmp(wd2,"water",5)))
 216                         goto l2010;
 217                 if (!strncmp(wd1,"enter",5) && *wd2!=0) goto l2800;
 218                 if ((strncmp(wd1,"water",5)&&strncmp(wd1,"oil",3))
 219                     || (strncmp(wd2,"plant",5)&&strncmp(wd2,"door",4)))
 220                         goto l2610;
 221                 if (at(vocab(wd2,1))) strcpy(wd2,"pour");
 222
 223         l2610:  if (!strncmp(wd1,"west",4))
 224                         if (++iwest==10) rspeak(17);
 225         l2630:  i=vocab(wd1,-1);
 226                 if (i== -1)
 227                 {       spk=60;                 /* 3000         */
 228                         if (pct(20)) spk=61;
 229                         if (pct(20)) spk=13;
 230                         rspeak(spk);
 231                         goto l2600;
 232                 }
 233                 k=i%1000;
 234                 kq=i/1000+1;
 235                 switch(kq)
 236                 {   case 1: goto l8;
 237                     case 2: goto l5000;
 238                     case 3: goto l4000;
 239                     case 4: goto l2010;
 240                     default:
 241                         bug(22);
 242                 }
 243
 244         l8:
 245                 switch(march())
 246                 {   case 2: continue;           /* i.e. goto l2         */
 247                     case 99:
 248                         die(99);
 249                         goto l2000;
 250                     default: bug(110);
 251                 }
 252
 253         l2800:  strcpy(wd1,wd2);
 254                 *wd2=0;
 255                 goto l2610;
 256
 257         l4000:  verb=k;
 258                 spk=actspk[verb];
 259                 if (*wd2!=0 && verb!=say) goto l2800;
 260                 if (verb==say) obj= *wd2;
 261                 if (obj!=0) goto l4090;
 262         l4080:
 263                 switch(verb)
 264                 {   case 1:                     /* take = 8010          */
 265                         if (atloc[loc]==0||linkx[atloc[loc]]!=0) goto l8000;
 266                         for (i=1; i<=5; i++)
 267                                 if (dloc[i]==loc&&dflag>=2) goto l8000;
 268                         obj=atloc[loc];
 269                         goto l9010;
 270                     case 2: case 3: case 9:     /* 8000 : drop,say,wave */
 271                     case 10: case 16: case 17:  /* calm,rub,toss        */
 272                     case 19: case 21: case 28:  /* find,feed,break      */
 273                     case 29:                    /* wake                 */
 274                 l8000:  printf("%s what?\n",wd1);
 275                         obj=0;
 276                         goto l2600;
 277                     case 4: case 6:             /* 8040 open,lock       */
 278                         spk=28;
 279                         if (here(clam)) obj=clam;
 280                         if (here(oyster)) obj=oyster;
 281                         if (at(door)) obj=door;
 282                         if (at(grate)) obj=grate;
 283                         if (obj!=0 && here(chain)) goto l8000;
 284                         if (here(chain)) obj=chain;
 285                         if (obj==0) goto l2011;
 286                         goto l9040;
 287                     case 5: goto l2009;         /* nothing              */
 288                     case 7: goto l9070;         /* on                   */
 289                     case 8: goto l9080;         /* off                  */
 290                     case 11: goto l8000;        /* walk                 */
 291                     case 12: goto l9120;        /* kill                 */
 292                     case 13: goto l9130;        /* pour                 */
 293                     case 14:                    /* eat: 8140            */
 294                         if (!here(food)) goto l8000;
 295                 l8142:  dstroy(food);
 296                         spk=72;
 297                         goto l2011;
 298                     case 15: goto l9150;        /* drink                */
 299                     case 18:                    /* quit: 8180           */
 300                         gaveup=yes(22,54,54);
 301                         if (gaveup) done(2);    /* 8185                 */
 302                         goto l2012;
 303                     case 20:                    /* invent=8200          */
 304                         spk=98;
 305                         for (i=1; i<=100; i++)
 306                         {       if (i!=bear && toting(i))
 307                                 {       if (spk==98) rspeak(99);
 308                                         blklin=FALSE;
 309                                         pspeak(i,-1);
 310                                         blklin=TRUE;
 311                                         spk=0;
 312                                 }
 313                         }
 314                         if (toting(bear)) spk=141;
 315                         goto l2011;
 316                     case 22: goto l9220;        /* fill                 */
 317                     case 23: goto l9230;        /* blast                */
 318                     case 24:                    /* score: 8240          */
 319                         scorng=TRUE;
 320                         printf("If you were to quit now, you would score");
 321                         printf(" %d out of a possible ",score());
 322                         printf("%d.",mxscor);
 323                         scorng=FALSE;
 324                         gaveup=yes(143,54,54);
 325                         if (gaveup) done(2);
 326                         goto l2012;
 327                     case 25:                    /* foo: 8250            */
 328                         k=vocab(wd1,3);
 329                         spk=42;
 330                         if (foobar==1-k) goto l8252;
 331                         if (foobar!=0) spk=151;
 332                         goto l2011;
 333                 l8252:  foobar=k;
 334                         if (k!=4) goto l2009;
 335                         foobar=0;
 336                         if (place[eggs]==plac[eggs]
 337                                 ||(toting(eggs)&&loc==plac[eggs])) goto l2011;
 338                         if (place[eggs]==0&&place[troll]==0&&prop[troll]==0)
 339                                 prop[troll]=1;
 340                         k=2;
 341                         if (here(eggs)) k=1;
 342                         if (loc==plac[eggs]) k=0;
 343                         move(eggs,plac[eggs]);
 344                         pspeak(eggs,k);
 345                         goto l2012;
 346                     case 26:                    /* brief=8260           */
 347                         spk=156;
 348                         abbnum=10000;
 349                         detail=3;
 350                         goto l2011;
 351                     case 27:                    /* read=8270            */
 352                         if (here(magzin)) obj=magzin;
 353                         if (here(tablet)) obj=obj*100+tablet;
 354                         if (here(messag)) obj=obj*100+messag;
 355                         if (closed&&toting(oyster)) obj=oyster;
 356                         if (obj>100||obj==0||dark()) goto l8000;
 357                         goto l9270;
 358                     case 30:                    /* suspend=8300         */
 359                         spk=201;
 360                         if (demo) goto l2011;
 361                         printf("I can suspend your adventure for you so");
 362                         printf(" you can resume later, but\n");
 363                         printf("you will have to wait at least");
 364                         printf(" %d minutes before continuing.",latncy);
 365                         if (!yes(200,54,54)) goto l2012;
 366                         datime(&saved,&savet);
 367                         ciao();                 /* Do we quit? */
 368                         continue;               /* Maybe not */
 369                     case 31:                    /* hours=8310           */
 370                         printf("Colossal cave is closed 9am-5pm Mon ");
 371                         printf("through Fri except holidays.\n");
 372                         goto l2012;
 373                     default: bug(23);
 374                 }
 375
 376         l4090:
 377                 switch(verb)
 378                 {   case 1:                     /* take = 9010          */
 379         l9010:          switch(trtake())
 380                         {   case 2011: goto l2011;
 381                             case 9220: goto l9220;
 382                             case 2009: goto l2009;
 383                             case 2012: goto l2012;
 384                             default: bug(102);
 385                         }
 386         l9020:      case 2:                     /* drop = 9020          */
 387                         switch(trdrop())
 388                         {   case 2011: goto l2011;
 389                             case 19000: done(3);
 390                             case 2012: goto l2012;
 391                             default: bug(105);
 392                         }
 393         l9030:      case 3:
 394                         switch(trsay())
 395                         {   case 2012: goto l2012;
 396                             case 2630: goto l2630;
 397                             default: bug(107);
 398                         }
 399         l9040:      case 4:  case 6:            /* open, close          */
 400                         switch(tropen())
 401                         {   case 2011: goto l2011;
 402                             case 2010: goto l2010;
 403                             default: bug(106);
 404                         }
 405                     case 5: goto l2009;         /* nothing              */
 406                     case 7:                     /* on   9070            */
 407         l9070:          if (!here(lamp))  goto l2011;
 408                         spk=184;
 409                         if (limit<0) goto l2011;
 410                         prop[lamp]=1;
 411                         rspeak(39);
 412                         if (wzdark) goto l2000;
 413                         goto l2012;
 414
 415                     case 8:                     /* off                  */
 416         l9080:          if (!here(lamp)) goto l2011;
 417                         prop[lamp]=0;
 418                         rspeak(40);
 419                         if (dark()) rspeak(16);
 420                         goto l2012;
 421
 422                     case 9:                     /* wave                 */
 423                         if ((!toting(obj))&&(obj!=rod||!toting(rod2)))
 424                                 spk=29;
 425                         if (obj!=rod||!at(fissur)||!toting(obj)||closng)
 426                                 goto l2011;
 427                         prop[fissur]=1-prop[fissur];
 428                         pspeak(fissur,2-prop[fissur]);
 429                         goto l2012;
 430                     case 10: case 11: case 18:  /* calm, walk, quit     */
 431                     case 24: case 25: case 26:  /* score, foo, brief    */
 432                     case 30: case 31:           /* suspend, hours       */
 433                              goto l2011;
 434         l9120:      case 12:                    /* kill                 */
 435                         switch(trkill())
 436                         {   case 8000: goto l8000;
 437                             case 8: goto l8;
 438                             case 2011: goto l2011;
 439                             case 2608: goto l2608;
 440                             case 19000: done(3);
 441                             default: bug(112);
 442                         }
 443         l9130:      case 13:                    /* pour                 */
 444                         if (obj==bottle||obj==0) obj=liq();
 445                         if (obj==0) goto l8000;
 446                         if (!toting(obj)) goto l2011;
 447                         spk=78;
 448                         if (obj!=oil&&obj!=water) goto l2011;
 449                         prop[bottle]=1;
 450                         place[obj]=0;
 451                         spk=77;
 452                         if (!(at(plant)||at(door))) goto l2011;
 453                         if (at(door))
 454                         {       prop[door]=0;   /* 9132                 */
 455                                 if (obj==oil) prop[door]=1;
 456                                 spk=113+prop[door];
 457                                 goto l2011;
 458                         }
 459                         spk=112;
 460                         if (obj!=water) goto l2011;
 461                         pspeak(plant,prop[plant]+1);
 462                         prop[plant]=(prop[plant]+2)% 6;
 463                         prop[plant2]=prop[plant]/2;
 464                         k=null;
 465                         goto l8;
 466                     case 14:                    /* 9140 - eat           */
 467                         if (obj==food) goto l8142;
 468                         if (obj==bird||obj==snake||obj==clam||obj==oyster
 469                             ||obj==dwarf||obj==dragon||obj==troll
 470                             ||obj==bear) spk=71;
 471                         goto l2011;
 472         l9150:      case 15:                    /* 9150 - drink         */
 473                         if (obj==0&&liqloc(loc)!=water&&(liq()!=water
 474                                 ||!here(bottle))) goto l8000;
 475                         if (obj!=0&&obj!=water) spk=110;
 476                         if (spk==110||liq()!=water||!here(bottle))
 477                                 goto l2011;
 478                         prop[bottle]=1;
 479                         place[water]=0;
 480                         spk=74;
 481                         goto l2011;
 482                     case 16:                    /* 9160: rub            */
 483                         if (obj!=lamp) spk=76;
 484                         goto l2011;
 485                     case 17:                    /* 9170: throw          */
 486                         switch(trtoss())
 487                         {   case 2011: goto l2011;
 488                             case 9020: goto l9020;
 489                             case 9120: goto l9120;
 490                             case 8: goto l8;
 491                             case 9210: goto l9210;
 492                             default: bug(113);
 493                         }
 494                     case 19: case 20:           /* 9190: find, invent   */
 495                         if (at(obj)||(liq()==obj&&at(bottle))
 496                                 ||k==liqloc(loc)) spk=94;
 497                         for (i=1; i<=5; i++)
 498                                 if (dloc[i]==loc&&dflag>=2&&obj==dwarf)
 499                                         spk=94;
 500                         if (closed) spk=138;
 501                         if (toting(obj)) spk=24;
 502                         goto l2011;
 503         l9210:      case 21:                    /* feed                 */
 504                         switch(trfeed())
 505                         {   case 2011: goto l2011;
 506                             default: bug(114);
 507                         }
 508         l9220:      case 22:                    /* fill                 */
 509                         switch(trfill())
 510                         {   case 2011: goto l2011;
 511                             case 8000: goto l8000;
 512                             case 9020: goto l9020;
 513                             default: bug(115);
 514                         }
 515         l9230:      case 23:                    /* blast                */
 516                         if (prop[rod2]<0||!closed) goto l2011;
 517                         bonus=133;
 518                         if (loc==115) bonus=134;
 519                         if (here(rod2)) bonus=135;
 520                         rspeak(bonus);
 521                         done(2);
 522         l9270:      case 27:                    /* read                 */
 523                         if (dark()) goto l5190;
 524                         if (obj==magzin) spk=190;
 525                         if (obj==tablet) spk=196;
 526                         if (obj==messag) spk=191;
 527                         if (obj==oyster&&hinted[2]&&toting(oyster)) spk=194;
 528                         if (obj!=oyster||hinted[2]||!toting(oyster)
 529                                 ||!closed) goto l2011;
 530                         hinted[2]=yes(192,193,54);
 531                         goto l2012;
 532         l9280:      case 28:                    /* break                */
 533                         if (obj==mirror) spk=148;
 534                         if (obj==vase&&prop[vase]==0)
 535                         {       spk=198;
 536                                 if (toting(vase)) drop(vase,loc);
 537                                 prop[vase]=2;
 538                                 fixed[vase]= -1;
 539                                 goto l2011;
 540                         }
 541                         if (obj!=mirror||!closed) goto l2011;
 542                         rspeak(197);
 543                         done(3);
 544
 545         l9290:      case 29:                    /* wake                 */
 546                         if (obj!=dwarf||!closed) goto l2011;
 547                         rspeak(199);
 548                         done(3);
 549
 550                     default: bug(24);
 551                 }
 552
 553         l5000:
 554                 obj=k;
 555                 if (fixed[k]!=loc && !here(k)) goto l5100;
 556         l5010:  if (*wd2!=0) goto l2800;
 557                 if (verb!=0) goto l4090;
 558                 printf("What do you want to do with the %s?\n",wd1);
 559                 goto l2600;
 560         l5100:  if (k!=grate) goto l5110;
 561                 if (loc==1||loc==4||loc==7) k=dprssn;
 562                 if (loc>9&&loc<15) k=entrnc;
 563                 if (k!=grate) goto l8;
 564         l5110:  if (k!=dwarf) goto l5120;
 565                 for (i=1; i<=5; i++)
 566                         if (dloc[i]==loc&&dflag>=2) goto l5010;
 567         l5120:  if ((liq()==k&&here(bottle))||k==liqloc(loc)) goto l5010;
 568                 if (obj!=plant||!at(plant2)||prop[plant2]==0) goto l5130;
 569                 obj=plant2;
 570                 goto l5010;
 571         l5130:  if (obj!=knife||knfloc!=loc) goto l5140;
 572                 knfloc = -1;
 573                 spk=116;
 574                 goto l2011;
 575         l5140:  if (obj!=rod||!here(rod2)) goto l5190;
 576                 obj=rod2;
 577                 goto l5010;
 578         l5190:  if ((verb==find||verb==invent)&&*wd2==0) goto l5010;
 579                 printf("I see no %s here\n",wd1);
 580                 goto l2012;
 581         }
 582 }