xref: /dragonfly/games/adventure/main.c (revision 2ee85085)
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 1.3 2005/03/25 12:56:48 liamfoy 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 <stdlib.h>
52 #include <string.h>
53 #include <unistd.h>
54 #include "hdr.h"
55 
56 
57 int
58 main(int argc, char **argv)
59 {
60 	int i;
61 	int rval,ll;
62 	struct text *kk;
63 
64 	/* revoke */
65 	setgid(getgid());
66 
67 	init();         /* Initialize everything */
68 	signal(SIGINT,trapdel);
69 
70 	if (argc > 1)   /* Restore file specified */
71 	{               /* Restart is label 8305 (Fortran) */
72 		i = restore(argv[1]);       /* See what we've got */
73 		switch(i)
74 		{
75 		    case 0:     /* The restore worked fine */
76 			yea=Start();
77 			k=null;
78 			unlink(argv[1]);/* Don't re-use the save */
79 			goto l8;        /* Get where we're going */
80 		    case 1:             /* Couldn't open it */
81 			exit(1);        /* So give up */
82 		    case 2:             /* Oops -- file was altered */
83 			rspeak(202);    /* You dissolve */
84 			exit(1);        /* File could be non-adventure */
85 		}                       /* So don't unlink it. */
86 	}
87 
88 	startup();              /* prepare for a user           */
89 
90 	for (;;)                        /* main command loop (label 2)  */
91 	{       if (newloc<9 && newloc!=0 && closng)
92 		{       rspeak(130);    /* if closing leave only by     */
93 			newloc=loc;     /*      main office             */
94 			if (!panic) clock2=15;
95 			panic=TRUE;
96 		}
97 
98 		rval=fdwarf();          /* dwarf stuff                  */
99 		if (rval==99) die(99);
100 
101 	l2000:  if (loc==0) die(99);    /* label 2000                   */
102 		kk = &stext[loc];
103 		if ((abb[loc]%abbnum)==0 || kk->seekadr==0)
104 			kk = &ltext[loc];
105 		if (!forced(loc) && dark())
106 		{       if (wzdark && pct(35))
107 			{       die(90);
108 				goto l2000;
109 			}
110 			kk = &rtext[16];
111 		}
112 		if (toting(bear)) rspeak(141);  /* 2001                 */
113 		speak(kk);
114 		k=1;
115 		if (forced(loc))
116 			goto l8;
117 		if (loc==33 && pct(25)&&!closng) rspeak(8);
118 		if (!dark())
119 		{       abb[loc]++;
120 			for (i=atloc[loc]; i!=0; i=linkx[i])     /*2004  */
121 			{       obj=i;
122 				if (obj>100) obj -= 100;
123 				if (obj==steps && toting(nugget)) continue;
124 				if (prop[obj]<0)
125 				{       if (closed) continue;
126 					prop[obj]=0;
127 					if (obj==rug||obj==chain)
128 						prop[obj]=1;
129 					tally--;
130 					if (tally==tally2 && tally != 0)
131 						if (limit>35) limit=35;
132 				}
133 				ll =  prop[obj];   /* 2006         */
134 				if (obj==steps && loc==fixed[steps])
135 					ll = 1;
136 				pspeak(obj, ll);
137 			}                                       /* 2008 */
138 			goto l2012;
139 	l2009:          k=54;                   /* 2009                 */
140 	l2010:          spk=k;
141 	l2011:          rspeak(spk);
142 		}
143 	l2012:  verb=0;                         /* 2012                 */
144 		obj=0;
145 	l2600:	checkhints();                   /* to 2600-2602         */
146 		if (closed)
147 		{       if (prop[oyster]<0 && toting(oyster))
148 				pspeak(oyster,1);
149 			for (i=1; i<100; i++)
150 				if (toting(i)&&prop[i]<0)       /*2604  */
151 					prop[i] = -1-prop[i];
152 		}
153 		wzdark=dark();                  /* 2605                 */
154 		if (knfloc>0 && knfloc!=loc) knfloc=1;
155 		getin(&wd1,&wd2);
156 		if (delhit)                     /* user typed a DEL     */
157 		{       delhit=0;               /* reset counter        */
158 			strcpy(wd1,"quit");    /* pretend he's quitting*/
159 			*wd2=0;
160 		}
161 	l2608:  if ((foobar = -foobar)>0) foobar=0;     /* 2608         */
162 		/* should check here for "magic mode"                   */
163 		turns++;
164 		if (demo && turns>=SHORT) done(1);      /* to 13000     */
165 
166 		if (verb==say && *wd2!=0) verb=0;
167 		if (verb==say)
168 			goto l4090;
169 		if (tally==0 && loc>=15 && loc!=33) clock1--;
170 		if (clock1==0)
171 		{       closing();                      /* to 10000     */
172 			goto l19999;
173 		}
174 		if (clock1<0) clock2--;
175 		if (clock2==0)
176 		{       caveclose();            /* to 11000             */
177 			continue;               /* back to 2            */
178 		}
179 		if (prop[lamp]==1) limit--;
180 		if (limit<=30 && here(batter) && prop[batter]==0
181 			&& here(lamp))
182 		{       rspeak(188);            /* 12000                */
183 			prop[batter]=1;
184 			if (toting(batter)) drop(batter,loc);
185 			limit=limit+2500;
186 			lmwarn=FALSE;
187 			goto l19999;
188 		}
189 		if (limit==0)
190 		{       limit = -1;             /* 12400                */
191 			prop[lamp]=0;
192 			rspeak(184);
193 			goto l19999;
194 		}
195 		if (limit<0&&loc<=8)
196 		{       rspeak(185);            /* 12600                */
197 			gaveup=TRUE;
198 			done(2);                /* to 20000             */
199 		}
200 		if (limit<=30)
201 		{       if (lmwarn|| !here(lamp)) goto l19999;  /*12200*/
202 			lmwarn=TRUE;
203 			spk=187;
204 			if (place[batter]==0) spk=183;
205 			if (prop[batter]==1) spk=189;
206 			rspeak(spk);
207 		}
208 	l19999: k=43;
209 		if (liqloc(loc)==water) k=70;
210 		if (!strncmp(wd1,"enter",5) &&
211 		    (!strncmp(wd2,"strea",5)||!strncmp(wd2,"water",5)))
212 			goto l2010;
213 		if (!strncmp(wd1,"enter",5) && *wd2!=0) goto l2800;
214 		if ((strncmp(wd1,"water",5)&&strncmp(wd1,"oil",3))
215 		    || (strncmp(wd2,"plant",5)&&strncmp(wd2,"door",4)))
216 			goto l2610;
217 		if (at(vocab(wd2,1,0))) strcpy(wd2,"pour");
218 
219 	l2610:  if (!strncmp(wd1,"west",4))
220 			if (++iwest==10) rspeak(17);
221 	l2630:  i=vocab(wd1,-1,0);
222 		if (i== -1)
223 		{       spk=60;                 /* 3000         */
224 			if (pct(20)) spk=61;
225 			if (pct(20)) spk=13;
226 			rspeak(spk);
227 			goto l2600;
228 		}
229 		k=i%1000;
230 		kq=i/1000+1;
231 		switch(kq)
232 		{   case 1: goto l8;
233 		    case 2: goto l5000;
234 		    case 3: goto l4000;
235 		    case 4: goto l2010;
236 		    default:
237 			bug(22);
238 		}
239 
240 	l8:
241 		switch(march())
242 		{   case 2: continue;           /* i.e. goto l2         */
243 		    case 99:
244 			die(99);
245 			goto l2000;
246 		    default: bug(110);
247 		}
248 
249 	l2800:  strcpy(wd1,wd2);
250 		*wd2=0;
251 		goto l2610;
252 
253 	l4000:  verb=k;
254 		spk=actspk[verb];
255 		if (*wd2!=0 && verb!=say) goto l2800;
256 		if (verb==say) obj= *wd2;
257 		if (obj!=0) goto l4090;
258 		switch(verb)
259 		{   case 1:                     /* take = 8010          */
260 			if (atloc[loc]==0||linkx[atloc[loc]]!=0) goto l8000;
261 			for (i=1; i<=5; i++)
262 				if (dloc[i]==loc&&dflag>=2) goto l8000;
263 			obj=atloc[loc];
264 			goto l9010;
265 		    case 2: case 3: case 9:     /* 8000 : drop,say,wave */
266 		    case 10: case 16: case 17:  /* calm,rub,toss        */
267 		    case 19: case 21: case 28:  /* find,feed,break      */
268 		    case 29:                    /* wake                 */
269 		l8000:  printf("%s what?\n",wd1);
270 			obj=0;
271 			goto l2600;
272 		    case 4: case 6:             /* 8040 open,lock       */
273 			spk=28;
274 			if (here(clam)) obj=clam;
275 			if (here(oyster)) obj=oyster;
276 			if (at(door)) obj=door;
277 			if (at(grate)) obj=grate;
278 			if (obj!=0 && here(chain)) goto l8000;
279 			if (here(chain)) obj=chain;
280 			if (obj==0) goto l2011;
281 			goto l9040;
282 		    case 5: goto l2009;         /* nothing              */
283 		    case 7: goto l9070;         /* on                   */
284 		    case 8: goto l9080;         /* off                  */
285 		    case 11: goto l8000;        /* walk                 */
286 		    case 12: goto l9120;        /* kill                 */
287 		    case 13: goto l9130;        /* pour                 */
288 		    case 14:                    /* eat: 8140            */
289 			if (!here(food)) goto l8000;
290 		l8142:  dstroy(food);
291 			spk=72;
292 			goto l2011;
293 		    case 15: goto l9150;        /* drink                */
294 		    case 18:                    /* quit: 8180           */
295 			gaveup=yes(22,54,54);
296 			if (gaveup) done(2);    /* 8185                 */
297 			goto l2012;
298 		    case 20:                    /* invent=8200          */
299 			spk=98;
300 			for (i=1; i<=100; i++)
301 			{       if (i!=bear && toting(i))
302 				{       if (spk==98) rspeak(99);
303 					blklin=FALSE;
304 					pspeak(i,-1);
305 					blklin=TRUE;
306 					spk=0;
307 				}
308 			}
309 			if (toting(bear)) spk=141;
310 			goto l2011;
311 		    case 22: goto l9220;        /* fill                 */
312 		    case 23: goto l9230;        /* blast                */
313 		    case 24:                    /* score: 8240          */
314 			scorng=TRUE;
315 			printf("If you were to quit now, you would score");
316 			printf(" %d out of a possible ",score());
317 			printf("%d.",mxscor);
318 			scorng=FALSE;
319 			gaveup=yes(143,54,54);
320 			if (gaveup) done(2);
321 			goto l2012;
322 		    case 25:                    /* foo: 8250            */
323 			k=vocab(wd1,3,0);
324 			spk=42;
325 			if (foobar==1-k) goto l8252;
326 			if (foobar!=0) spk=151;
327 			goto l2011;
328 		l8252:  foobar=k;
329 			if (k!=4) goto l2009;
330 			foobar=0;
331 			if (place[eggs]==plac[eggs]
332 				||(toting(eggs)&&loc==plac[eggs])) goto l2011;
333 			if (place[eggs]==0&&place[troll]==0&&prop[troll]==0)
334 				prop[troll]=1;
335 			k=2;
336 			if (here(eggs)) k=1;
337 			if (loc==plac[eggs]) k=0;
338 			move(eggs,plac[eggs]);
339 			pspeak(eggs,k);
340 			goto l2012;
341 		    case 26:                    /* brief=8260           */
342 			spk=156;
343 			abbnum=10000;
344 			detail=3;
345 			goto l2011;
346 		    case 27:                    /* read=8270            */
347 			if (here(magzin)) obj=magzin;
348 			if (here(tablet)) obj=obj*100+tablet;
349 			if (here(messag)) obj=obj*100+messag;
350 			if (closed&&toting(oyster)) obj=oyster;
351 			if (obj>100||obj==0||dark()) goto l8000;
352 			goto l9270;
353 		    case 30:                    /* suspend=8300         */
354 			spk=201;
355 			if (demo) goto l2011;
356 			printf("I can suspend your adventure for you so");
357 			printf(" you can resume later, but\n");
358 			printf("you will have to wait at least");
359 			printf(" %d minutes before continuing.",latncy);
360 			if (!yes(200,54,54)) goto l2012;
361 			datime(&saved,&savet);
362 			ciao();                 /* Do we quit? */
363 			continue;               /* Maybe not */
364 		    case 31:                    /* hours=8310           */
365 			printf("Colossal cave is closed 9am-5pm Mon ");
366 			printf("through Fri except holidays.\n");
367 			goto l2012;
368 		    default: bug(23);
369 		}
370 
371 	l4090:
372 		switch(verb)
373 		{   case 1:                     /* take = 9010          */
374 	l9010:          switch(trtake())
375 			{   case 2011: goto l2011;
376 			    case 9220: goto l9220;
377 			    case 2009: goto l2009;
378 			    case 2012: goto l2012;
379 			    default: bug(102);
380 			}
381 	l9020:      case 2:                     /* drop = 9020          */
382 			switch(trdrop())
383 			{   case 2011: goto l2011;
384 			    case 19000: done(3);
385 			    case 2012: goto l2012;
386 			    default: bug(105);
387 			}
388 		    case 3:
389 			switch(trsay())
390 			{   case 2012: goto l2012;
391 			    case 2630: goto l2630;
392 			    default: bug(107);
393 			}
394 	l9040:      case 4:  case 6:            /* open, close          */
395 			switch(tropen())
396 			{   case 2011: goto l2011;
397 			    case 2010: goto l2010;
398 			    default: bug(106);
399 			}
400 		    case 5: goto l2009;         /* nothing              */
401 		    case 7:                     /* on   9070            */
402 	l9070:          if (!here(lamp))  goto l2011;
403 			spk=184;
404 			if (limit<0) goto l2011;
405 			prop[lamp]=1;
406 			rspeak(39);
407 			if (wzdark) goto l2000;
408 			goto l2012;
409 
410 		    case 8:                     /* off                  */
411 	l9080:          if (!here(lamp)) goto l2011;
412 			prop[lamp]=0;
413 			rspeak(40);
414 			if (dark()) rspeak(16);
415 			goto l2012;
416 
417 		    case 9:                     /* wave                 */
418 			if ((!toting(obj))&&(obj!=rod||!toting(rod2)))
419 				spk=29;
420 			if (obj!=rod||!at(fissur)||!toting(obj)||closng)
421 				goto l2011;
422 			prop[fissur]=1-prop[fissur];
423 			pspeak(fissur,2-prop[fissur]);
424 			goto l2012;
425 		    case 10: case 11: case 18:  /* calm, walk, quit     */
426 		    case 24: case 25: case 26:  /* score, foo, brief    */
427 		    case 30: case 31:           /* suspend, hours       */
428 			     goto l2011;
429 	l9120:      case 12:                    /* kill                 */
430 			switch(trkill())
431 			{   case 8000: goto l8000;
432 			    case 8: goto l8;
433 			    case 2011: goto l2011;
434 			    case 2608: goto l2608;
435 			    case 19000: done(3);
436 			    default: bug(112);
437 			}
438 	l9130:      case 13:                    /* pour                 */
439 			if (obj==bottle||obj==0) obj=liq();
440 			if (obj==0) goto l8000;
441 			if (!toting(obj)) goto l2011;
442 			spk=78;
443 			if (obj!=oil&&obj!=water) goto l2011;
444 			prop[bottle]=1;
445 			place[obj]=0;
446 			spk=77;
447 			if (!(at(plant)||at(door))) goto l2011;
448 			if (at(door))
449 			{       prop[door]=0;   /* 9132                 */
450 				if (obj==oil) prop[door]=1;
451 				spk=113+prop[door];
452 				goto l2011;
453 			}
454 			spk=112;
455 			if (obj!=water) goto l2011;
456 			pspeak(plant,prop[plant]+1);
457 			prop[plant]=(prop[plant]+2)% 6;
458 			prop[plant2]=prop[plant]/2;
459 			k=null;
460 			goto l8;
461 		    case 14:                    /* 9140 - eat           */
462 			if (obj==food) goto l8142;
463 			if (obj==bird||obj==snake||obj==clam||obj==oyster
464 			    ||obj==dwarf||obj==dragon||obj==troll
465 			    ||obj==bear) spk=71;
466 			goto l2011;
467 	l9150:      case 15:                    /* 9150 - drink         */
468 			if (obj==0&&liqloc(loc)!=water&&(liq()!=water
469 				||!here(bottle))) goto l8000;
470 			if (obj!=0&&obj!=water) spk=110;
471 			if (spk==110||liq()!=water||!here(bottle))
472 				goto l2011;
473 			prop[bottle]=1;
474 			place[water]=0;
475 			spk=74;
476 			goto l2011;
477 		    case 16:                    /* 9160: rub            */
478 			if (obj!=lamp) spk=76;
479 			goto l2011;
480 		    case 17:                    /* 9170: throw          */
481 			switch(trtoss())
482 			{   case 2011: goto l2011;
483 			    case 9020: goto l9020;
484 			    case 9120: goto l9120;
485 			    case 8: goto l8;
486 			    case 9210: goto l9210;
487 			    default: bug(113);
488 			}
489 		    case 19: case 20:           /* 9190: find, invent   */
490 			if (at(obj)||(liq()==obj&&at(bottle))
491 				||k==liqloc(loc)) spk=94;
492 			for (i=1; i<=5; i++)
493 				if (dloc[i]==loc&&dflag>=2&&obj==dwarf)
494 					spk=94;
495 			if (closed) spk=138;
496 			if (toting(obj)) spk=24;
497 			goto l2011;
498 	l9210:      case 21:                    /* feed                 */
499 			switch(trfeed())
500 			{   case 2011: goto l2011;
501 			    default: bug(114);
502 			}
503 	l9220:      case 22:                    /* fill                 */
504 			switch(trfill())
505 			{   case 2011: goto l2011;
506 			    case 8000: goto l8000;
507 			    case 9020: goto l9020;
508 			    default: bug(115);
509 			}
510 	l9230:      case 23:                    /* blast                */
511 			if (prop[rod2]<0||!closed) goto l2011;
512 			bonus=133;
513 			if (loc==115) bonus=134;
514 			if (here(rod2)) bonus=135;
515 			rspeak(bonus);
516 			done(2);
517 	l9270:      case 27:                    /* read                 */
518 			if (dark()) goto l5190;
519 			if (obj==magzin) spk=190;
520 			if (obj==tablet) spk=196;
521 			if (obj==messag) spk=191;
522 			if (obj==oyster&&hinted[2]&&toting(oyster)) spk=194;
523 			if (obj!=oyster||hinted[2]||!toting(oyster)
524 				||!closed) goto l2011;
525 			hinted[2]=yes(192,193,54);
526 			goto l2012;
527 		    case 28:                    /* break                */
528 			if (obj==mirror) spk=148;
529 			if (obj==vase&&prop[vase]==0)
530 			{       spk=198;
531 				if (toting(vase)) drop(vase,loc);
532 				prop[vase]=2;
533 				fixed[vase]= -1;
534 				goto l2011;
535 			}
536 			if (obj!=mirror||!closed) goto l2011;
537 			rspeak(197);
538 			done(3);
539 
540 		    case 29:                    /* wake                 */
541 			if (obj!=dwarf||!closed) goto l2011;
542 			rspeak(199);
543 			done(3);
544 
545 		    default: bug(24);
546 		}
547 
548 	l5000:
549 		obj=k;
550 		if (fixed[k]!=loc && !here(k)) goto l5100;
551 	l5010:  if (*wd2!=0) goto l2800;
552 		if (verb!=0) goto l4090;
553 		printf("What do you want to do with the %s?\n",wd1);
554 		goto l2600;
555 	l5100:  if (k!=grate) goto l5110;
556 		if (loc==1||loc==4||loc==7) k=dprssn;
557 		if (loc>9&&loc<15) k=entrnc;
558 		if (k!=grate) goto l8;
559 	l5110:  if (k!=dwarf) goto l5120;
560 		for (i=1; i<=5; i++)
561 			if (dloc[i]==loc&&dflag>=2) goto l5010;
562 	l5120:  if ((liq()==k&&here(bottle))||k==liqloc(loc)) goto l5010;
563 		if (obj!=plant||!at(plant2)||prop[plant2]==0) goto l5130;
564 		obj=plant2;
565 		goto l5010;
566 	l5130:  if (obj!=knife||knfloc!=loc) goto l5140;
567 		knfloc = -1;
568 		spk=116;
569 		goto l2011;
570 	l5140:  if (obj!=rod||!here(rod2)) goto l5190;
571 		obj=rod2;
572 		goto l5010;
573 	l5190:  if ((verb==find||verb==invent)&&*wd2==0) goto l5010;
574 		printf("I see no %s here\n",wd1);
575 		goto l2012;
576 	}
577 }
578