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  * @(#) Copyright (c) 1991, 1993 The Regents of the University of California.  All rights reserved.
  39  * @(#)main.c   8.1 (Berkeley) 6/2/93
  40  * $FreeBSD: src/games/adventure/main.c,v 1.9.2.1 2001/03/05 11:43:11 kris Exp $
  41  * $DragonFly: src/games/adventure/main.c,v 1.2 2003/06/17 04:25:22 dillon Exp $
  42  */
  43
  44 /*      Re-coding of advent in C: main program                          */
  45
  46 #include <sys/file.h>
  47 #include <errno.h>
  48 #include <sys/types.h>
  49 #include <signal.h>
  50 #include <stdio.h>
  51 #include <string.h>
  52 #include <unistd.h>
  53 #include "hdr.h"
  54
  55
  56 int
  57 main(int argc, char **argv)
  58 {
  59         int i;
  60         int rval,ll;
  61         struct text *kk;
  62
  63         /* revoke */
  64         setgid(getgid());
  65
  66         init();         /* Initialize everything */
  67         signal(SIGINT,trapdel);
  68
  69         if (argc > 1)   /* Restore file specified */
  70         {               /* Restart is label 8305 (Fortran) */
  71                 i = restore(argv[1]);       /* See what we've got */
  72                 switch(i)
  73                 {
  74                     case 0:     /* The restore worked fine */
  75                         yea=Start();
  76                         k=null;
  77                         unlink(argv[1]);/* Don't re-use the save */
  78                         goto l8;        /* Get where we're going */
  79                     case 1:             /* Couldn't open it */
  80                         exit(1);        /* So give up */
  81                     case 2:             /* Oops -- file was altered */
  82                         rspeak(202);    /* You dissolve */
  83                         exit(1);        /* File could be non-adventure */
  84                 }                       /* So don't unlink it. */
  85         }
  86
  87         startup();              /* prepare for a user           */
  88
  89         for (;;)                        /* main command loop (label 2)  */
  90         {       if (newloc<9 && newloc!=0 && closng)
  91                 {       rspeak(130);    /* if closing leave only by     */
  92                         newloc=loc;     /*      main office             */
  93                         if (!panic) clock2=15;
  94                         panic=TRUE;
  95                 }
  96
  97                 rval=fdwarf();          /* dwarf stuff                  */
  98                 if (rval==99) die(99);
  99
 100         l2000:  if (loc==0) die(99);    /* label 2000                   */
 101                 kk = &stext[loc];
 102                 if ((abb[loc]%abbnum)==0 || kk->seekadr==0)
 103                         kk = &ltext[loc];
 104                 if (!forced(loc) && dark())
 105                 {       if (wzdark && pct(35))
 106                         {       die(90);
 107                                 goto l2000;
 108                         }
 109                         kk = &rtext[16];
 110                 }
 111                 if (toting(bear)) rspeak(141);  /* 2001                 */
 112                 speak(kk);
 113                 k=1;
 114                 if (forced(loc))
 115                         goto l8;
 116                 if (loc==33 && pct(25)&&!closng) rspeak(8);
 117                 if (!dark())
 118                 {       abb[loc]++;
 119                         for (i=atloc[loc]; i!=0; i=linkx[i])     /*2004  */
 120                         {       obj=i;
 121                                 if (obj>100) obj -= 100;
 122                                 if (obj==steps && toting(nugget)) continue;
 123                                 if (prop[obj]<0)
 124                                 {       if (closed) continue;
 125                                         prop[obj]=0;
 126                                         if (obj==rug||obj==chain)
 127                                                 prop[obj]=1;
 128                                         tally--;
 129                                         if (tally==tally2 && tally != 0)
 130                                                 if (limit>35) limit=35;
 131                                 }
 132                                 ll =  prop[obj];   /* 2006         */
 133                                 if (obj==steps && loc==fixed[steps])
 134                                         ll = 1;
 135                                 pspeak(obj, ll);
 136                         }                                       /* 2008 */
 137                         goto l2012;
 138         l2009:          k=54;                   /* 2009                 */
 139         l2010:          spk=k;
 140         l2011:          rspeak(spk);
 141                 }
 142         l2012:  verb=0;                         /* 2012                 */
 143                 obj=0;
 144         l2600:  checkhints();                   /* to 2600-2602         */
 145                 if (closed)
 146                 {       if (prop[oyster]<0 && toting(oyster))
 147                                 pspeak(oyster,1);
 148                         for (i=1; i<100; i++)
 149                                 if (toting(i)&&prop[i]<0)       /*2604  */
 150                                         prop[i] = -1-prop[i];
 151                 }
 152                 wzdark=dark();                  /* 2605                 */
 153                 if (knfloc>0 && knfloc!=loc) knfloc=1;
 154                 getin(&wd1,&wd2);
 155                 if (delhit)                     /* user typed a DEL     */
 156                 {       delhit=0;               /* reset counter        */
 157                         strcpy(wd1,"quit");    /* pretend he's quitting*/
 158                         *wd2=0;
 159                 }
 160         l2608:  if ((foobar = -foobar)>0) foobar=0;     /* 2608         */
 161                 /* should check here for "magic mode"                   */
 162                 turns++;
 163                 if (demo && turns>=SHORT) done(1);      /* to 13000     */
 164
 165                 if (verb==say && *wd2!=0) verb=0;
 166                 if (verb==say)
 167                         goto l4090;
 168                 if (tally==0 && loc>=15 && loc!=33) clock1--;
 169                 if (clock1==0)
 170                 {       closing();                      /* to 10000     */
 171                         goto l19999;
 172                 }
 173                 if (clock1<0) clock2--;
 174                 if (clock2==0)
 175                 {       caveclose();            /* to 11000             */
 176                         continue;               /* back to 2            */
 177                 }
 178                 if (prop[lamp]==1) limit--;
 179                 if (limit<=30 && here(batter) && prop[batter]==0
 180                         && here(lamp))
 181                 {       rspeak(188);            /* 12000                */
 182                         prop[batter]=1;
 183                         if (toting(batter)) drop(batter,loc);
 184                         limit=limit+2500;
 185                         lmwarn=FALSE;
 186                         goto l19999;
 187                 }
 188                 if (limit==0)
 189                 {       limit = -1;             /* 12400                */
 190                         prop[lamp]=0;
 191                         rspeak(184);
 192                         goto l19999;
 193                 }
 194                 if (limit<0&&loc<=8)
 195                 {       rspeak(185);            /* 12600                */
 196                         gaveup=TRUE;
 197                         done(2);                /* to 20000             */
 198                 }
 199                 if (limit<=30)
 200                 {       if (lmwarn|| !here(lamp)) goto l19999;  /*12200*/
 201                         lmwarn=TRUE;
 202                         spk=187;
 203                         if (place[batter]==0) spk=183;
 204                         if (prop[batter]==1) spk=189;
 205                         rspeak(spk);
 206                 }
 207         l19999: k=43;
 208                 if (liqloc(loc)==water) k=70;
 209                 if (!strncmp(wd1,"enter",5) &&
 210                     (!strncmp(wd2,"strea",5)||!strncmp(wd2,"water",5)))
 211                         goto l2010;
 212                 if (!strncmp(wd1,"enter",5) && *wd2!=0) goto l2800;
 213                 if ((strncmp(wd1,"water",5)&&strncmp(wd1,"oil",3))
 214                     || (strncmp(wd2,"plant",5)&&strncmp(wd2,"door",4)))
 215                         goto l2610;
 216                 if (at(vocab(wd2,1,0))) strcpy(wd2,"pour");
 217
 218         l2610:  if (!strncmp(wd1,"west",4))
 219                         if (++iwest==10) rspeak(17);
 220         l2630:  i=vocab(wd1,-1,0);
 221                 if (i== -1)
 222                 {       spk=60;                 /* 3000         */
 223                         if (pct(20)) spk=61;
 224                         if (pct(20)) spk=13;
 225                         rspeak(spk);
 226                         goto l2600;
 227                 }
 228                 k=i%1000;
 229                 kq=i/1000+1;
 230                 switch(kq)
 231                 {   case 1: goto l8;
 232                     case 2: goto l5000;
 233                     case 3: goto l4000;
 234                     case 4: goto l2010;
 235                     default:
 236                         bug(22);
 237                 }
 238
 239         l8:
 240                 switch(march())
 241                 {   case 2: continue;           /* i.e. goto l2         */
 242                     case 99:
 243                         die(99);
 244                         goto l2000;
 245                     default: bug(110);
 246                 }
 247
 248         l2800:  strcpy(wd1,wd2);
 249                 *wd2=0;
 250                 goto l2610;
 251
 252         l4000:  verb=k;
 253                 spk=actspk[verb];
 254                 if (*wd2!=0 && verb!=say) goto l2800;
 255                 if (verb==say) obj= *wd2;
 256                 if (obj!=0) goto l4090;
 257                 switch(verb)
 258                 {   case 1:                     /* take = 8010          */
 259                         if (atloc[loc]==0||linkx[atloc[loc]]!=0) goto l8000;
 260                         for (i=1; i<=5; i++)
 261                                 if (dloc[i]==loc&&dflag>=2) goto l8000;
 262                         obj=atloc[loc];
 263                         goto l9010;
 264                     case 2: case 3: case 9:     /* 8000 : drop,say,wave */
 265                     case 10: case 16: case 17:  /* calm,rub,toss        */
 266                     case 19: case 21: case 28:  /* find,feed,break      */
 267                     case 29:                    /* wake                 */
 268                 l8000:  printf("%s what?\n",wd1);
 269                         obj=0;
 270                         goto l2600;
 271                     case 4: case 6:             /* 8040 open,lock       */
 272                         spk=28;
 273                         if (here(clam)) obj=clam;
 274                         if (here(oyster)) obj=oyster;
 275                         if (at(door)) obj=door;
 276                         if (at(grate)) obj=grate;
 277                         if (obj!=0 && here(chain)) goto l8000;
 278                         if (here(chain)) obj=chain;
 279                         if (obj==0) goto l2011;
 280                         goto l9040;
 281                     case 5: goto l2009;         /* nothing              */
 282                     case 7: goto l9070;         /* on                   */
 283                     case 8: goto l9080;         /* off                  */
 284                     case 11: goto l8000;        /* walk                 */
 285                     case 12: goto l9120;        /* kill                 */
 286                     case 13: goto l9130;        /* pour                 */
 287                     case 14:                    /* eat: 8140            */
 288                         if (!here(food)) goto l8000;
 289                 l8142:  dstroy(food);
 290                         spk=72;
 291                         goto l2011;
 292                     case 15: goto l9150;        /* drink                */
 293                     case 18:                    /* quit: 8180           */
 294                         gaveup=yes(22,54,54);
 295                         if (gaveup) done(2);    /* 8185                 */
 296                         goto l2012;
 297                     case 20:                    /* invent=8200          */
 298                         spk=98;
 299                         for (i=1; i<=100; i++)
 300                         {       if (i!=bear && toting(i))
 301                                 {       if (spk==98) rspeak(99);
 302                                         blklin=FALSE;
 303                                         pspeak(i,-1);
 304                                         blklin=TRUE;
 305                                         spk=0;
 306                                 }
 307                         }
 308                         if (toting(bear)) spk=141;
 309                         goto l2011;
 310                     case 22: goto l9220;        /* fill                 */
 311                     case 23: goto l9230;        /* blast                */
 312                     case 24:                    /* score: 8240          */
 313                         scorng=TRUE;
 314                         printf("If you were to quit now, you would score");
 315                         printf(" %d out of a possible ",score());
 316                         printf("%d.",mxscor);
 317                         scorng=FALSE;
 318                         gaveup=yes(143,54,54);
 319                         if (gaveup) done(2);
 320                         goto l2012;
 321                     case 25:                    /* foo: 8250            */
 322                         k=vocab(wd1,3,0);
 323                         spk=42;
 324                         if (foobar==1-k) goto l8252;
 325                         if (foobar!=0) spk=151;
 326                         goto l2011;
 327                 l8252:  foobar=k;
 328                         if (k!=4) goto l2009;
 329                         foobar=0;
 330                         if (place[eggs]==plac[eggs]
 331                                 ||(toting(eggs)&&loc==plac[eggs])) goto l2011;
 332                         if (place[eggs]==0&&place[troll]==0&&prop[troll]==0)
 333                                 prop[troll]=1;
 334                         k=2;
 335                         if (here(eggs)) k=1;
 336                         if (loc==plac[eggs]) k=0;
 337                         move(eggs,plac[eggs]);
 338                         pspeak(eggs,k);
 339                         goto l2012;
 340                     case 26:                    /* brief=8260           */
 341                         spk=156;
 342                         abbnum=10000;
 343                         detail=3;
 344                         goto l2011;
 345                     case 27:                    /* read=8270            */
 346                         if (here(magzin)) obj=magzin;
 347                         if (here(tablet)) obj=obj*100+tablet;
 348                         if (here(messag)) obj=obj*100+messag;
 349                         if (closed&&toting(oyster)) obj=oyster;
 350                         if (obj>100||obj==0||dark()) goto l8000;
 351                         goto l9270;
 352                     case 30:                    /* suspend=8300         */
 353                         spk=201;
 354                         if (demo) goto l2011;
 355                         printf("I can suspend your adventure for you so");
 356                         printf(" you can resume later, but\n");
 357                         printf("you will have to wait at least");
 358                         printf(" %d minutes before continuing.",latncy);
 359                         if (!yes(200,54,54)) goto l2012;
 360                         datime(&saved,&savet);
 361                         ciao();                 /* Do we quit? */
 362                         continue;               /* Maybe not */
 363                     case 31:                    /* hours=8310           */
 364                         printf("Colossal cave is closed 9am-5pm Mon ");
 365                         printf("through Fri except holidays.\n");
 366                         goto l2012;
 367                     default: bug(23);
 368                 }
 369
 370         l4090:
 371                 switch(verb)
 372                 {   case 1:                     /* take = 9010          */
 373         l9010:          switch(trtake())
 374                         {   case 2011: goto l2011;
 375                             case 9220: goto l9220;
 376                             case 2009: goto l2009;
 377                             case 2012: goto l2012;
 378                             default: bug(102);
 379                         }
 380         l9020:      case 2:                     /* drop = 9020          */
 381                         switch(trdrop())
 382                         {   case 2011: goto l2011;
 383                             case 19000: done(3);
 384                             case 2012: goto l2012;
 385                             default: bug(105);
 386                         }
 387                     case 3:
 388                         switch(trsay())
 389                         {   case 2012: goto l2012;
 390                             case 2630: goto l2630;
 391                             default: bug(107);
 392                         }
 393         l9040:      case 4:  case 6:            /* open, close          */
 394                         switch(tropen())
 395                         {   case 2011: goto l2011;
 396                             case 2010: goto l2010;
 397                             default: bug(106);
 398                         }
 399                     case 5: goto l2009;         /* nothing              */
 400                     case 7:                     /* on   9070            */
 401         l9070:          if (!here(lamp))  goto l2011;
 402                         spk=184;
 403                         if (limit<0) goto l2011;
 404                         prop[lamp]=1;
 405                         rspeak(39);
 406                         if (wzdark) goto l2000;
 407                         goto l2012;
 408
 409                     case 8:                     /* off                  */
 410         l9080:          if (!here(lamp)) goto l2011;
 411                         prop[lamp]=0;
 412                         rspeak(40);
 413                         if (dark()) rspeak(16);
 414                         goto l2012;
 415
 416                     case 9:                     /* wave                 */
 417                         if ((!toting(obj))&&(obj!=rod||!toting(rod2)))
 418                                 spk=29;
 419                         if (obj!=rod||!at(fissur)||!toting(obj)||closng)
 420                                 goto l2011;
 421                         prop[fissur]=1-prop[fissur];
 422                         pspeak(fissur,2-prop[fissur]);
 423                         goto l2012;
 424                     case 10: case 11: case 18:  /* calm, walk, quit     */
 425                     case 24: case 25: case 26:  /* score, foo, brief    */
 426                     case 30: case 31:           /* suspend, hours       */
 427                              goto l2011;
 428         l9120:      case 12:                    /* kill                 */
 429                         switch(trkill())
 430                         {   case 8000: goto l8000;
 431                             case 8: goto l8;
 432                             case 2011: goto l2011;
 433                             case 2608: goto l2608;
 434                             case 19000: done(3);
 435                             default: bug(112);
 436                         }
 437         l9130:      case 13:                    /* pour                 */
 438                         if (obj==bottle||obj==0) obj=liq();
 439                         if (obj==0) goto l8000;
 440                         if (!toting(obj)) goto l2011;
 441                         spk=78;
 442                         if (obj!=oil&&obj!=water) goto l2011;
 443                         prop[bottle]=1;
 444                         place[obj]=0;
 445                         spk=77;
 446                         if (!(at(plant)||at(door))) goto l2011;
 447                         if (at(door))
 448                         {       prop[door]=0;   /* 9132                 */
 449                                 if (obj==oil) prop[door]=1;
 450                                 spk=113+prop[door];
 451                                 goto l2011;
 452                         }
 453                         spk=112;
 454                         if (obj!=water) goto l2011;
 455                         pspeak(plant,prop[plant]+1);
 456                         prop[plant]=(prop[plant]+2)% 6;
 457                         prop[plant2]=prop[plant]/2;
 458                         k=null;
 459                         goto l8;
 460                     case 14:                    /* 9140 - eat           */
 461                         if (obj==food) goto l8142;
 462                         if (obj==bird||obj==snake||obj==clam||obj==oyster
 463                             ||obj==dwarf||obj==dragon||obj==troll
 464                             ||obj==bear) spk=71;
 465                         goto l2011;
 466         l9150:      case 15:                    /* 9150 - drink         */
 467                         if (obj==0&&liqloc(loc)!=water&&(liq()!=water
 468                                 ||!here(bottle))) goto l8000;
 469                         if (obj!=0&&obj!=water) spk=110;
 470                         if (spk==110||liq()!=water||!here(bottle))
 471                                 goto l2011;
 472                         prop[bottle]=1;
 473                         place[water]=0;
 474                         spk=74;
 475                         goto l2011;
 476                     case 16:                    /* 9160: rub            */
 477                         if (obj!=lamp) spk=76;
 478                         goto l2011;
 479                     case 17:                    /* 9170: throw          */
 480                         switch(trtoss())
 481                         {   case 2011: goto l2011;
 482                             case 9020: goto l9020;
 483                             case 9120: goto l9120;
 484                             case 8: goto l8;
 485                             case 9210: goto l9210;
 486                             default: bug(113);
 487                         }
 488                     case 19: case 20:           /* 9190: find, invent   */
 489                         if (at(obj)||(liq()==obj&&at(bottle))
 490                                 ||k==liqloc(loc)) spk=94;
 491                         for (i=1; i<=5; i++)
 492                                 if (dloc[i]==loc&&dflag>=2&&obj==dwarf)
 493                                         spk=94;
 494                         if (closed) spk=138;
 495                         if (toting(obj)) spk=24;
 496                         goto l2011;
 497         l9210:      case 21:                    /* feed                 */
 498                         switch(trfeed())
 499                         {   case 2011: goto l2011;
 500                             default: bug(114);
 501                         }
 502         l9220:      case 22:                    /* fill                 */
 503                         switch(trfill())
 504                         {   case 2011: goto l2011;
 505                             case 8000: goto l8000;
 506                             case 9020: goto l9020;
 507                             default: bug(115);
 508                         }
 509         l9230:      case 23:                    /* blast                */
 510                         if (prop[rod2]<0||!closed) goto l2011;
 511                         bonus=133;
 512                         if (loc==115) bonus=134;
 513                         if (here(rod2)) bonus=135;
 514                         rspeak(bonus);
 515                         done(2);
 516         l9270:      case 27:                    /* read                 */
 517                         if (dark()) goto l5190;
 518                         if (obj==magzin) spk=190;
 519                         if (obj==tablet) spk=196;
 520                         if (obj==messag) spk=191;
 521                         if (obj==oyster&&hinted[2]&&toting(oyster)) spk=194;
 522                         if (obj!=oyster||hinted[2]||!toting(oyster)
 523                                 ||!closed) goto l2011;
 524                         hinted[2]=yes(192,193,54);
 525                         goto l2012;
 526                     case 28:                    /* break                */
 527                         if (obj==mirror) spk=148;
 528                         if (obj==vase&&prop[vase]==0)
 529                         {       spk=198;
 530                                 if (toting(vase)) drop(vase,loc);
 531                                 prop[vase]=2;
 532                                 fixed[vase]= -1;
 533                                 goto l2011;
 534                         }
 535                         if (obj!=mirror||!closed) goto l2011;
 536                         rspeak(197);
 537                         done(3);
 538
 539                     case 29:                    /* wake                 */
 540                         if (obj!=dwarf||!closed) goto l2011;
 541                         rspeak(199);
 542                         done(3);
 543
 544                     default: bug(24);
 545                 }
 546
 547         l5000:
 548                 obj=k;
 549                 if (fixed[k]!=loc && !here(k)) goto l5100;
 550         l5010:  if (*wd2!=0) goto l2800;
 551                 if (verb!=0) goto l4090;
 552                 printf("What do you want to do with the %s?\n",wd1);
 553                 goto l2600;
 554         l5100:  if (k!=grate) goto l5110;
 555                 if (loc==1||loc==4||loc==7) k=dprssn;
 556                 if (loc>9&&loc<15) k=entrnc;
 557                 if (k!=grate) goto l8;
 558         l5110:  if (k!=dwarf) goto l5120;
 559                 for (i=1; i<=5; i++)
 560                         if (dloc[i]==loc&&dflag>=2) goto l5010;
 561         l5120:  if ((liq()==k&&here(bottle))||k==liqloc(loc)) goto l5010;
 562                 if (obj!=plant||!at(plant2)||prop[plant2]==0) goto l5130;
 563                 obj=plant2;
 564                 goto l5010;
 565         l5130:  if (obj!=knife||knfloc!=loc) goto l5140;
 566                 knfloc = -1;
 567                 spk=116;
 568                 goto l2011;
 569         l5140:  if (obj!=rod||!here(rod2)) goto l5190;
 570                 obj=rod2;
 571                 goto l5010;
 572         l5190:  if ((verb==find||verb==invent)&&*wd2==0) goto l5010;
 573                 printf("I see no %s here\n",wd1);
 574                 goto l2012;
 575         }
 576 }