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 "hdr.h"
  55
  56
  57 main(argc,argv)
  58 int argc;
  59 char **argv;
  60 {
  61         extern int errno;
  62         register int i;
  63         int rval,ll;
  64         struct text *kk;
  65         extern trapdel();
  66
  67         /* revoke */
  68         setgid(getgid());
  69
  70         init();         /* Initialize everything */
  71         signal(2,trapdel);
  72
  73         if (argc > 1)   /* Restore file specified */
  74         {               /* Restart is label 8305 (Fortran) */
  75                 i = restore(argv[1]);       /* See what we've got */
  76                 switch(i)
  77                 {
  78                     case 0:     /* The restore worked fine */
  79                         yea=Start(0);
  80                         k=null;
  81                         unlink(argv[1]);/* Don't re-use the save */
  82                         goto l8;        /* Get where we're going */
  83                     case 1:             /* Couldn't open it */
  84                         exit(0);        /* So give up */
  85                     case 2:             /* Oops -- file was altered */
  86                         rspeak(202);    /* You dissolve */
  87                         exit(0);        /* File could be non-adventure */
  88                 }                       /* So don't unlink it. */
  89         }
  90
  91         startup();              /* prepare for a user           */
  92
  93         for (;;)                        /* main command loop (label 2)  */
  94         {       if (newloc<9 && newloc!=0 && closng)
  95                 {       rspeak(130);    /* if closing leave only by     */
  96                         newloc=loc;     /*      main office             */
  97                         if (!panic) clock2=15;
  98                         panic=TRUE;
  99                 }
 100
 101                 rval=fdwarf();          /* dwarf stuff                  */
 102                 if (rval==99) die(99);
 103
 104         l2000:  if (loc==0) die(99);    /* label 2000                   */
 105                 kk = &stext[loc];
 106                 if ((abb[loc]%abbnum)==0 || kk->seekadr==0)
 107                         kk = &ltext[loc];
 108                 if (!forced(loc) && dark(0))
 109                 {       if (wzdark && pct(35))
 110                         {       die(90);
 111                                 goto l2000;
 112                         }
 113                         kk = &rtext[16];
 114                 }
 115         l2001:  if (toting(bear)) rspeak(141);  /* 2001                 */
 116                 speak(kk);
 117                 k=1;
 118                 if (forced(loc))
 119                         goto l8;
 120                 if (loc==33 && pct(25)&&!closng) rspeak(8);
 121                 if (!dark(0))
 122                 {       abb[loc]++;
 123                         for (i=atloc[loc]; i!=0; i=linkx[i])     /*2004  */
 124                         {       obj=i;
 125                                 if (obj>100) obj -= 100;
 126                                 if (obj==steps && toting(nugget)) continue;
 127                                 if (prop[obj]<0)
 128                                 {       if (closed) continue;
 129                                         prop[obj]=0;
 130                                         if (obj==rug||obj==chain)
 131                                                 prop[obj]=1;
 132                                         tally--;
 133                                         if (tally==tally2 && tally != 0)
 134                                                 if (limit>35) limit=35;
 135                                 }
 136                                 ll =  prop[obj];   /* 2006         */
 137                                 if (obj==steps && loc==fixed[steps])
 138                                         ll = 1;
 139                                 pspeak(obj, ll);
 140                         }                                       /* 2008 */
 141                         goto l2012;
 142         l2009:          k=54;                   /* 2009                 */
 143         l2010:          spk=k;
 144         l2011:          rspeak(spk);
 145                 }
 146         l2012:  verb=0;                         /* 2012                 */
 147                 obj=0;
 148         l2600:  checkhints();                   /* to 2600-2602         */
 149                 if (closed)
 150                 {       if (prop[oyster]<0 && toting(oyster))
 151                                 pspeak(oyster,1);
 152                         for (i=1; i<100; i++)
 153                                 if (toting(i)&&prop[i]<0)       /*2604  */
 154                                         prop[i] = -1-prop[i];
 155                 }
 156                 wzdark=dark(0);                 /* 2605                 */
 157                 if (knfloc>0 && knfloc!=loc) knfloc=1;
 158                 getin(&wd1,&wd2);
 159                 if (delhit)                     /* user typed a DEL     */
 160                 {       delhit=0;               /* reset counter        */
 161                         copystr("quit",wd1);    /* pretend he's quitting*/
 162                         *wd2=0;
 163                 }
 164         l2608:  if ((foobar = -foobar)>0) foobar=0;     /* 2608         */
 165                 /* should check here for "magic mode"                   */
 166                 turns++;
 167                 if (demo && turns>=SHORT) done(1);      /* to 13000     */
 168
 169                 if (verb==say && *wd2!=0) verb=0;
 170                 if (verb==say)
 171                         goto l4090;
 172                 if (tally==0 && loc>=15 && loc!=33) clock1--;
 173                 if (clock1==0)
 174                 {       closing();                      /* to 10000     */
 175                         goto l19999;
 176                 }
 177                 if (clock1<0) clock2--;
 178                 if (clock2==0)
 179                 {       caveclose();            /* to 11000             */
 180                         continue;               /* back to 2            */
 181                 }
 182                 if (prop[lamp]==1) limit--;
 183                 if (limit<=30 && here(batter) && prop[batter]==0
 184                         && here(lamp))
 185                 {       rspeak(188);            /* 12000                */
 186                         prop[batter]=1;
 187                         if (toting(batter)) drop(batter,loc);
 188                         limit=limit+2500;
 189                         lmwarn=FALSE;
 190                         goto l19999;
 191                 }
 192                 if (limit==0)
 193                 {       limit = -1;             /* 12400                */
 194                         prop[lamp]=0;
 195                         rspeak(184);
 196                         goto l19999;
 197                 }
 198                 if (limit<0&&loc<=8)
 199                 {       rspeak(185);            /* 12600                */
 200                         gaveup=TRUE;
 201                         done(2);                /* to 20000             */
 202                 }
 203                 if (limit<=30)
 204                 {       if (lmwarn|| !here(lamp)) goto l19999;  /*12200*/
 205                         lmwarn=TRUE;
 206                         spk=187;
 207                         if (place[batter]==0) spk=183;
 208                         if (prop[batter]==1) spk=189;
 209                         rspeak(spk);
 210                 }
 211         l19999: k=43;
 212                 if (liqloc(loc)==water) k=70;
 213                 if (weq(wd1,"enter") &&
 214                     (weq(wd2,"strea")||weq(wd2,"water")))
 215                         goto l2010;
 216                 if (weq(wd1,"enter") && *wd2!=0) goto l2800;
 217                 if ((!weq(wd1,"water")&&!weq(wd1,"oil"))
 218                     || (!weq(wd2,"plant")&&!weq(wd2,"door")))
 219                         goto l2610;
 220                 if (at(vocab(wd2,1))) copystr("pour",wd2);
 221
 222         l2610:  if (weq(wd1,"west"))
 223                         if (++iwest==10) rspeak(17);
 224         l2630:  i=vocab(wd1,-1);
 225                 if (i== -1)
 226                 {       spk=60;                 /* 3000         */
 227                         if (pct(20)) spk=61;
 228                         if (pct(20)) spk=13;
 229                         rspeak(spk);
 230                         goto l2600;
 231                 }
 232                 k=i%1000;
 233                 kq=i/1000+1;
 234                 switch(kq)
 235                 {   case 1: goto l8;
 236                     case 2: goto l5000;
 237                     case 3: goto l4000;
 238                     case 4: goto l2010;
 239                     default:
 240                         printf("Error 22\n");
 241                         exit(0);
 242                 }
 243
 244         l8:
 245                 switch(march())
 246                 {   case 2: continue;           /* i.e. goto l2         */
 247                     case 99:
 248                         switch(die(99))
 249                         {   case 2000: goto l2000;
 250                             default: bug(111);
 251                         }
 252                     default: bug(110);
 253                 }
 254
 255         l2800:  copystr(wd2,wd1);
 256                 *wd2=0;
 257                 goto l2610;
 258
 259         l4000:  verb=k;
 260                 spk=actspk[verb];
 261                 if (*wd2!=0 && verb!=say) goto l2800;
 262                 if (verb==say) obj= *wd2;
 263                 if (obj!=0) goto l4090;
 264         l4080:
 265                 switch(verb)
 266                 {   case 1:                     /* take = 8010          */
 267                         if (atloc[loc]==0||linkx[atloc[loc]]!=0) goto l8000;
 268                         for (i=1; i<=5; i++)
 269                                 if (dloc[i]==loc&&dflag>=2) goto l8000;
 270                         obj=atloc[loc];
 271                         goto l9010;
 272                     case 2: case 3: case 9:     /* 8000 : drop,say,wave */
 273                     case 10: case 16: case 17:  /* calm,rub,toss        */
 274                     case 19: case 21: case 28:  /* find,feed,break      */
 275                     case 29:                    /* wake                 */
 276                 l8000:  printf("%s what?\n",wd1);
 277                         obj=0;
 278                         goto l2600;
 279                     case 4: case 6:             /* 8040 open,lock       */
 280                         spk=28;
 281                         if (here(clam)) obj=clam;
 282                         if (here(oyster)) obj=oyster;
 283                         if (at(door)) obj=door;
 284                         if (at(grate)) obj=grate;
 285                         if (obj!=0 && here(chain)) goto l8000;
 286                         if (here(chain)) obj=chain;
 287                         if (obj==0) goto l2011;
 288                         goto l9040;
 289                     case 5: goto l2009;         /* nothing              */
 290                     case 7: goto l9070;         /* on                   */
 291                     case 8: goto l9080;         /* off                  */
 292                     case 11: goto l8000;        /* walk                 */
 293                     case 12: goto l9120;        /* kill                 */
 294                     case 13: goto l9130;        /* pour                 */
 295                     case 14:                    /* eat: 8140            */
 296                         if (!here(food)) goto l8000;
 297                 l8142:  dstroy(food);
 298                         spk=72;
 299                         goto l2011;
 300                     case 15: goto l9150;        /* drink                */
 301                     case 18:                    /* quit: 8180           */
 302                         gaveup=yes(22,54,54);
 303                         if (gaveup) done(2);    /* 8185                 */
 304                         goto l2012;
 305                     case 20:                    /* invent=8200          */
 306                         spk=98;
 307                         for (i=1; i<=100; i++)
 308                         {       if (i!=bear && toting(i))
 309                                 {       if (spk==98) rspeak(99);
 310                                         blklin=FALSE;
 311                                         pspeak(i,-1);
 312                                         blklin=TRUE;
 313                                         spk=0;
 314                                 }
 315                         }
 316                         if (toting(bear)) spk=141;
 317                         goto l2011;
 318                     case 22: goto l9220;        /* fill                 */
 319                     case 23: goto l9230;        /* blast                */
 320                     case 24:                    /* score: 8240          */
 321                         scorng=TRUE;
 322                         printf("If you were to quit now, you would score");
 323                         printf(" %d out of a possible ",score());
 324                         printf("%d.",mxscor);
 325                         scorng=FALSE;
 326                         gaveup=yes(143,54,54);
 327                         if (gaveup) done(2);
 328                         goto l2012;
 329                     case 25:                    /* foo: 8250            */
 330                         k=vocab(wd1,3);
 331                         spk=42;
 332                         if (foobar==1-k) goto l8252;
 333                         if (foobar!=0) spk=151;
 334                         goto l2011;
 335                 l8252:  foobar=k;
 336                         if (k!=4) goto l2009;
 337                         foobar=0;
 338                         if (place[eggs]==plac[eggs]
 339                                 ||(toting(eggs)&&loc==plac[eggs])) goto l2011;
 340                         if (place[eggs]==0&&place[troll]==0&&prop[troll]==0)
 341                                 prop[troll]=1;
 342                         k=2;
 343                         if (here(eggs)) k=1;
 344                         if (loc==plac[eggs]) k=0;
 345                         move(eggs,plac[eggs]);
 346                         pspeak(eggs,k);
 347                         goto l2012;
 348                     case 26:                    /* brief=8260           */
 349                         spk=156;
 350                         abbnum=10000;
 351                         detail=3;
 352                         goto l2011;
 353                     case 27:                    /* read=8270            */
 354                         if (here(magzin)) obj=magzin;
 355                         if (here(tablet)) obj=obj*100+tablet;
 356                         if (here(messag)) obj=obj*100+messag;
 357                         if (closed&&toting(oyster)) obj=oyster;
 358                         if (obj>100||obj==0||dark(0)) goto l8000;
 359                         goto l9270;
 360                     case 30:                    /* suspend=8300         */
 361                         spk=201;
 362                         if (demo) goto l2011;
 363                         printf("I can suspend your adventure for you so");
 364                         printf(" you can resume later, but\n");
 365                         printf("you will have to wait at least");
 366                         printf(" %d minutes before continuing.",latncy);
 367                         if (!yes(200,54,54)) goto l2012;
 368                         datime(&saved,&savet);
 369                         ciao(argv[0]);          /* Do we quit? */
 370                         continue;               /* Maybe not */
 371                     case 31:                    /* hours=8310           */
 372                         printf("Colossal cave is closed 9am-5pm Mon ");
 373                         printf("through Fri except holidays.\n");
 374                         goto l2012;
 375                     default: bug(23);
 376                 }
 377
 378         l4090:
 379                 switch(verb)
 380                 {   case 1:                     /* take = 9010          */
 381         l9010:          switch(trtake())
 382                         {   case 2011: goto l2011;
 383                             case 9220: goto l9220;
 384                             case 2009: goto l2009;
 385                             case 2012: goto l2012;
 386                             default: bug(102);
 387                         }
 388         l9020:      case 2:                     /* drop = 9020          */
 389                         switch(trdrop())
 390                         {   case 2011: goto l2011;
 391                             case 19000: done(3);
 392                             case 2012: goto l2012;
 393                             default: bug(105);
 394                         }
 395         l9030:      case 3:
 396                         switch(trsay())
 397                         {   case 2012: goto l2012;
 398                             case 2630: goto l2630;
 399                             default: bug(107);
 400                         }
 401         l9040:      case 4:  case 6:            /* open, close          */
 402                         switch(tropen())
 403                         {   case 2011: goto l2011;
 404                             case 2010: goto l2010;
 405                             default: bug(106);
 406                         }
 407                     case 5: goto l2009;         /* nothing              */
 408                     case 7:                     /* on   9070            */
 409         l9070:          if (!here(lamp))  goto l2011;
 410                         spk=184;
 411                         if (limit<0) goto l2011;
 412                         prop[lamp]=1;
 413                         rspeak(39);
 414                         if (wzdark) goto l2000;
 415                         goto l2012;
 416
 417                     case 8:                     /* off                  */
 418         l9080:          if (!here(lamp)) goto l2011;
 419                         prop[lamp]=0;
 420                         rspeak(40);
 421                         if (dark(0)) rspeak(16);
 422                         goto l2012;
 423
 424                     case 9:                     /* wave                 */
 425                         if ((!toting(obj))&&(obj!=rod||!toting(rod2)))
 426                                 spk=29;
 427                         if (obj!=rod||!at(fissur)||!toting(obj)||closng)
 428                                 goto l2011;
 429                         prop[fissur]=1-prop[fissur];
 430                         pspeak(fissur,2-prop[fissur]);
 431                         goto l2012;
 432                     case 10: case 11: case 18:  /* calm, walk, quit     */
 433                     case 24: case 25: case 26:  /* score, foo, brief    */
 434                     case 30: case 31:           /* suspend, hours       */
 435                              goto l2011;
 436         l9120:      case 12:                    /* kill                 */
 437                         switch(trkill())
 438                         {   case 8000: goto l8000;
 439                             case 8: goto l8;
 440                             case 2011: goto l2011;
 441                             case 2608: goto l2608;
 442                             case 19000: done(3);
 443                             default: bug(112);
 444                         }
 445         l9130:      case 13:                    /* pour                 */
 446                         if (obj==bottle||obj==0) obj=liq(0);
 447                         if (obj==0) goto l8000;
 448                         if (!toting(obj)) goto l2011;
 449                         spk=78;
 450                         if (obj!=oil&&obj!=water) goto l2011;
 451                         prop[bottle]=1;
 452                         place[obj]=0;
 453                         spk=77;
 454                         if (!(at(plant)||at(door))) goto l2011;
 455                         if (at(door))
 456                         {       prop[door]=0;   /* 9132                 */
 457                                 if (obj==oil) prop[door]=1;
 458                                 spk=113+prop[door];
 459                                 goto l2011;
 460                         }
 461                         spk=112;
 462                         if (obj!=water) goto l2011;
 463                         pspeak(plant,prop[plant]+1);
 464                         prop[plant]=(prop[plant]+2)% 6;
 465                         prop[plant2]=prop[plant]/2;
 466                         k=null;
 467                         goto l8;
 468                     case 14:                    /* 9140 - eat           */
 469                         if (obj==food) goto l8142;
 470                         if (obj==bird||obj==snake||obj==clam||obj==oyster
 471                             ||obj==dwarf||obj==dragon||obj==troll
 472                             ||obj==bear) spk=71;
 473                         goto l2011;
 474         l9150:      case 15:                    /* 9150 - drink         */
 475                         if (obj==0&&liqloc(loc)!=water&&(liq(0)!=water
 476                                 ||!here(bottle))) goto l8000;
 477                         if (obj!=0&&obj!=water) spk=110;
 478                         if (spk==110||liq(0)!=water||!here(bottle))
 479                                 goto l2011;
 480                         prop[bottle]=1;
 481                         place[water]=0;
 482                         spk=74;
 483                         goto l2011;
 484                     case 16:                    /* 9160: rub            */
 485                         if (obj!=lamp) spk=76;
 486                         goto l2011;
 487                     case 17:                    /* 9170: throw          */
 488                         switch(trtoss())
 489                         {   case 2011: goto l2011;
 490                             case 9020: goto l9020;
 491                             case 9120: goto l9120;
 492                             case 8: goto l8;
 493                             case 9210: goto l9210;
 494                             default: bug(113);
 495                         }
 496                     case 19: case 20:           /* 9190: find, invent   */
 497                         if (at(obj)||(liq(0)==obj&&at(bottle))
 498                                 ||k==liqloc(loc)) spk=94;
 499                         for (i=1; i<=5; i++)
 500                                 if (dloc[i]==loc&&dflag>=2&&obj==dwarf)
 501                                         spk=94;
 502                         if (closed) spk=138;
 503                         if (toting(obj)) spk=24;
 504                         goto l2011;
 505         l9210:      case 21:                    /* feed                 */
 506                         switch(trfeed())
 507                         {   case 2011: goto l2011;
 508                             default: bug(114);
 509                         }
 510         l9220:      case 22:                    /* fill                 */
 511                         switch(trfill())
 512                         {   case 2011: goto l2011;
 513                             case 8000: goto l8000;
 514                             case 9020: goto l9020;
 515                             default: bug(115);
 516                         }
 517         l9230:      case 23:                    /* blast                */
 518                         if (prop[rod2]<0||!closed) goto l2011;
 519                         bonus=133;
 520                         if (loc==115) bonus=134;
 521                         if (here(rod2)) bonus=135;
 522                         rspeak(bonus);
 523                         done(2);
 524         l9270:      case 27:                    /* read                 */
 525                         if (dark(0)) goto l5190;
 526                         if (obj==magzin) spk=190;
 527                         if (obj==tablet) spk=196;
 528                         if (obj==messag) spk=191;
 529                         if (obj==oyster&&hinted[2]&&toting(oyster)) spk=194;
 530                         if (obj!=oyster||hinted[2]||!toting(oyster)
 531                                 ||!closed) goto l2011;
 532                         hinted[2]=yes(192,193,54);
 533                         goto l2012;
 534         l9280:      case 28:                    /* break                */
 535                         if (obj==mirror) spk=148;
 536                         if (obj==vase&&prop[vase]==0)
 537                         {       spk=198;
 538                                 if (toting(vase)) drop(vase,loc);
 539                                 prop[vase]=2;
 540                                 fixed[vase]= -1;
 541                                 goto l2011;
 542                         }
 543                         if (obj!=mirror||!closed) goto l2011;
 544                         rspeak(197);
 545                         done(3);
 546
 547         l9290:      case 29:                    /* wake                 */
 548                         if (obj!=dwarf||!closed) goto l2011;
 549                         rspeak(199);
 550                         done(3);
 551
 552                     default: bug(24);
 553                 }
 554
 555         l5000:
 556                 obj=k;
 557                 if (fixed[k]!=loc && !here(k)) goto l5100;
 558         l5010:  if (*wd2!=0) goto l2800;
 559                 if (verb!=0) goto l4090;
 560                 printf("What do you want to do with the %s?\n",wd1);
 561                 goto l2600;
 562         l5100:  if (k!=grate) goto l5110;
 563                 if (loc==1||loc==4||loc==7) k=dprssn;
 564                 if (loc>9&&loc<15) k=entrnc;
 565                 if (k!=grate) goto l8;
 566         l5110:  if (k!=dwarf) goto l5120;
 567                 for (i=1; i<=5; i++)
 568                         if (dloc[i]==loc&&dflag>=2) goto l5010;
 569         l5120:  if ((liq(0)==k&&here(bottle))||k==liqloc(loc)) goto l5010;
 570                 if (obj!=plant||!at(plant2)||prop[plant2]==0) goto l5130;
 571                 obj=plant2;
 572                 goto l5010;
 573         l5130:  if (obj!=knife||knfloc!=loc) goto l5140;
 574                 knfloc = -1;
 575                 spk=116;
 576                 goto l2011;
 577         l5140:  if (obj!=rod||!here(rod2)) goto l5190;
 578                 obj=rod2;
 579                 goto l5010;
 580         l5190:  if ((verb==find||verb==invent)&&*wd2==0) goto l5010;
 581                 printf("I see no %s here\n",wd1);
 582                 goto l2012;
 583         }
 584 }