xref: /dragonfly/games/adventure/subr.c (revision 1de703da)
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  * @(#)subr.c	8.1 (Berkeley) 5/31/93
39  * $FreeBSD: src/games/adventure/subr.c,v 1.7.2.1 2001/03/05 11:43:11 kris Exp $
40  * $DragonFly: src/games/adventure/subr.c,v 1.2 2003/06/17 04:25:22 dillon Exp $
41  */
42 
43 /*      Re-coding of advent in C: subroutines from main                 */
44 
45 #include <stdio.h>
46 #include <string.h>
47 #include "hdr.h"
48 
49 static void badmove (void);
50 static int bitset (int,int);
51 static int dropper (void);
52 static int liq2 (int);
53 static int mback (void);
54 static int specials (void);
55 static int trbridge (void);
56 
57 /*              Statement functions     */
58 int
59 toting(objj)
60 int objj;
61 {       if (place[objj] == -1) return(TRUE);
62 	else return(FALSE);
63 }
64 
65 int
66 here(objj)
67 int objj;
68 {       if (place[objj]==loc || toting(objj)) return(TRUE);
69 	else return(FALSE);
70 }
71 
72 int
73 at(objj)
74 int objj;
75 {       if (place[objj]==loc || fixed[objj]==loc) return(TRUE);
76 	else return (FALSE);
77 }
78 
79 static int
80 liq2(pbotl)
81 int pbotl;
82 {       return((1-pbotl)*water+(pbotl/2)*(water+oil));
83 }
84 
85 int
86 liq()
87 {       int i;
88 	i=prop[bottle];
89 	if (i>-1-i) return(liq2(i));
90 	else return(liq2(-1-i));
91 }
92 
93 int
94 liqloc(locc)     /* may want to clean this one up a bit */
95 int locc;
96 {       int i,j,l;
97 	i=cond[locc]/2;
98 	j=((i*2)%8)-5;
99 	l=cond[locc]/4;
100 	l=l%2;
101 	return(liq2(j*l+1));
102 }
103 
104 static int
105 bitset(l,n)
106 int l,n;
107 {       if (cond[l] & setbit[n]) return(TRUE);
108 	return(FALSE);
109 }
110 
111 int
112 forced(locc)
113 int locc;
114 {       if (cond[locc]==2) return(TRUE);
115 	return(FALSE);
116 }
117 
118 int
119 dark()
120 {       if ((cond[loc]%2)==0 && (prop[lamp]==0 || !here(lamp)))
121 		return(TRUE);
122 	return(FALSE);
123 }
124 
125 int
126 pct(n)
127 int n;
128 {       if (ran(100)<n) return(TRUE);
129 	return(FALSE);
130 }
131 
132 
133 int
134 fdwarf()		/* 71 */
135 {	int i,j;
136 	struct travlist *kk;
137 
138 	if (newloc!=loc&&!forced(loc)&&!bitset(loc,3))
139 	{	for (i=1; i<=5; i++)
140 		{	if (odloc[i]!=newloc||!dseen[i]) continue;
141 			newloc=loc;
142 			rspeak(2);
143 			break;
144 		}
145 	}
146 	loc=newloc;			/* 74 */
147 	if (loc==0||forced(loc)||bitset(newloc,3)) return(2000);
148 	if (dflag==0)
149 	{	if (loc>=15) dflag=1;
150 		return(2000);
151 	}
152 	if (dflag==1)		/* 6000 */
153 	{	if (loc<15||pct(95)) return(2000);
154 		dflag=2;
155 		for (i=1; i<=2; i++)
156 		{	j=1+ran(5);
157 			if (pct(50)&&saved== -1) dloc[j]=0; /* 6001 */
158 		}
159 		for (i=1; i<=5; i++)
160 		{	if (dloc[i]==loc) dloc[i]=daltlc;
161 			odloc[i]=dloc[i];		/* 6002 */
162 		}
163 		rspeak(3);
164 		drop(axe,loc);
165 		return(2000);
166 	}
167 	dtotal=attack=stick=0;			/* 6010 */
168 	for (i=1; i<=6; i++)                    /* loop to 6030 */
169 	{	if (dloc[i]==0) continue;
170 		j=1;
171 		for (kk=travel[dloc[i]]; kk!=0; kk=kk->next)
172 		{	newloc=kk->tloc;
173 			if (newloc>300||newloc<15||newloc==odloc[i]
174 			    ||(j>1&&newloc==tk[j-1])||j>=20
175 			    ||newloc==dloc[i]||forced(newloc)
176 			    ||(i==6&&bitset(newloc,3))
177 			    ||kk->conditions==100) continue;
178 			tk[j++]=newloc;
179 		}
180 		tk[j]=odloc[i];                 /* 6016 */
181 		if (j>=2) j--;
182 		j=1+ran(j);
183 		odloc[i]=dloc[i];
184 		dloc[i]=tk[j];
185 		dseen[i]=(dseen[i]&&loc>=15)||(dloc[i]==loc||odloc[i]==loc);
186 		if (!dseen[i]) continue;        /* i.e. goto 6030 */
187 		dloc[i]=loc;
188 		if (i==6)                       /* pirate's spotted him */
189 		{       if (loc==chloc||prop[chest]>=0) continue;
190 			k=0;
191 			for (j=50; j<=maxtrs; j++)      /* loop to 6020 */
192 			{       if (j==pyram&&(loc==plac[pyram]
193 				     || loc==plac[emrald])) goto l6020;
194 				if (toting(j)) goto l6022;
195 			l6020:  if (here(j)) k=1;
196 			}                               /* 6020 */
197 			if (tally==tally2+1 && k==0 && place[chest]==0
198 			    &&here(lamp) && prop[lamp]==1) goto l6025;
199 			if (odloc[6]!=dloc[6]&&pct(20))
200 				rspeak(127);
201 			continue;       /* to 6030 */
202 		l6022:  rspeak(128);
203 			if (place[messag]==0) move(chest,chloc);
204 			move(messag,chloc2);
205 			for (j=50; j<=maxtrs; j++)      /* loop to 6023 */
206 			{       if (j==pyram && (loc==plac[pyram]
207 				    || loc==plac[emrald])) continue;
208 				if (at(j)&&fixed[j]==0) carry(j,loc);
209 				if (toting(j)) drop(j,chloc);
210 			}
211 		l6024:  dloc[6]=odloc[6]=chloc;
212 			dseen[6]=FALSE;
213 			continue;
214 		l6025:  rspeak(186);
215 			move(chest,chloc);
216 			move(messag,chloc2);
217 			goto l6024;
218 		}
219 		dtotal++;                       /* 6027 */
220 		if (odloc[i]!=dloc[i]) continue;
221 		attack++;
222 		if (knfloc>=0) knfloc=loc;
223 		if (ran(1000)<95*(dflag-2)) stick++;
224 	}                                       /* 6030 */
225 	if (dtotal==0) return(2000);
226 	if (dtotal!=1)
227 	{       printf("There are %d threatening little dwarves ",dtotal);
228 		printf("in the room with you.\n");
229 	}
230 	else rspeak(4);
231 	if (attack==0) return(2000);
232 	if (dflag==2) dflag=3;
233 	if (saved!= -1) dflag=20;
234 	if (attack!=1)
235 	{       printf("%d of them throw knives at you!\n",attack);
236 		k=6;
237 	l82:    if (stick<=1)                   /* 82 */
238 		{       rspeak(k+stick);
239 			if (stick==0) return(2000);
240 		}
241 		else
242 			printf("%d of them get you!\n",stick);  /* 83 */
243 		oldlc2=loc;
244 		return(99);
245 	}
246 	rspeak(5);
247 	k=52;
248 	goto l82;
249 }
250 
251 
252 int
253 march()                                        /* label 8              */
254 {       int ll1,ll2;
255 
256 	if ((tkk=travel[newloc=loc])==0) bug(26);
257 	if (k==null) return(2);
258 	if (k==cave)                            /* 40                   */
259 	{       if (loc<8) rspeak(57);
260 		if (loc>=8) rspeak(58);
261 		return(2);
262 	}
263 	if (k==look)                            /* 30                   */
264 	{       if (detail++<3) rspeak(15);
265 		wzdark=FALSE;
266 		abb[loc]=0;
267 		return(2);
268 	}
269 	if (k==back)                            /* 20                   */
270 	{       switch(mback())
271 		{       case 2: return(2);
272 			case 9: goto l9;
273 			default: bug(100);
274 		}
275 	}
276 	oldlc2=oldloc;
277 	oldloc=loc;
278 l9:
279 	for (; tkk!=0; tkk=tkk->next)
280 		if (tkk->tverb==1 || tkk->tverb==k) break;
281 	if (tkk==0)
282 	{       badmove();
283 		return(2);
284 	}
285 l11:    ll1=tkk->conditions;                    /* 11                   */
286 	ll2=tkk->tloc;
287 	newloc=ll1;                             /* newloc=conditions    */
288 	k=newloc%100;                           /* k used for prob      */
289 	if (newloc<=300)
290 	{       if (newloc<=100)                /* 13                   */
291 		{       if (newloc!=0&&!pct(newloc)) goto l12;  /* 14   */
292 		l16:    newloc=ll2;             /* newloc=location      */
293 			if (newloc<=300) return(2);
294 			if (newloc<=500)
295 				switch(specials())/* to 30000           */
296 				{   case 2: return(2);
297 				    case 12: goto l12;
298 				    case 99: return(99);
299 				    default: bug(101);
300 				}
301 			rspeak(newloc-500);
302 			newloc=loc;
303 			return(2);
304 		}
305 		if (toting(k)||(newloc>200&&at(k))) goto l16;
306 		goto l12;
307 	}
308 	if (prop[k]!=(newloc/100)-3) goto l16;  /* newloc still conditions*/
309 l12:    /* alternative to probability move      */
310 	for (; tkk!=0; tkk=tkk->next)
311 		if (tkk->tloc!=ll2 || tkk->conditions!=ll1) break;
312 	if (tkk==0) bug(25);
313 	goto l11;
314 }
315 
316 
317 
318 static int
319 mback()                                         /* 20                   */
320 {       struct travlist *tk2,*j;
321 	int ll;
322 	if (forced(k=oldloc)) k=oldlc2;         /* k=location           */
323 	oldlc2=oldloc;
324 	oldloc=loc;
325 	tk2=0;
326 	if (k==loc)
327 	{       rspeak(91);
328 		return(2);
329 	}
330 	for (; tkk!=0; tkk=tkk->next)           /* 21                   */
331 	{       ll=tkk->tloc;
332 		if (ll==k)
333 		{       k=tkk->tverb;           /* k back to verb       */
334 			tkk=travel[loc];
335 			return(9);
336 		}
337 		if (ll<=300)
338 		{       j=travel[loc];
339 			if (forced(ll) && k==j->tloc) tk2=tkk;
340 		}
341 	}
342 	tkk=tk2;                                /* 23                   */
343 	if (tkk!=0)
344 	{       k=tkk->tverb;
345 		tkk=travel[loc];
346 		return(9);
347 	}
348 	rspeak(140);
349 	return(2);
350 }
351 
352 
353 static int
354 specials()                                      /* 30000                */
355 {       switch(newloc -= 300)
356 	{   case 1:                             /* 30100                */
357 		newloc = 99+100-loc;
358 		if (holdng==0||(holdng==1&&toting(emrald))) return(2);
359 		newloc=loc;
360 		rspeak(117);
361 		return(2);
362 	    case 2:                             /* 30200                */
363 		drop(emrald,loc);
364 		return(12);
365 	    case 3:                             /* to 30300             */
366 		return(trbridge());
367 	    default: bug(29);
368 	}
369 	/* NOTREACHED */
370 	return(-1);
371 }
372 
373 
374 static int
375 trbridge()                                      /* 30300                */
376 {       if (prop[troll]==1)
377 	{       pspeak(troll,1);
378 		prop[troll]=0;
379 		move(troll2,0);
380 		move(troll2+100,0);
381 		move(troll,plac[troll]);
382 		move(troll+100,fixd[troll]);
383 		juggle(chasm);
384 		newloc=loc;
385 		return(2);
386 	}
387 	newloc=plac[troll]+fixd[troll]-loc;     /* 30310                */
388 	if (prop[troll]==0) prop[troll]=1;
389 	if (!toting(bear)) return(2);
390 	rspeak(162);
391 	prop[chasm]=1;
392 	prop[troll]=2;
393 	drop(bear,newloc);
394 	fixed[bear] = -1;
395 	prop[bear]=3;
396 	if (prop[spices]<0) tally2++;
397 	oldlc2=newloc;
398 	return(99);
399 }
400 
401 
402 static void
403 badmove()                                       /* 20                   */
404 {       spk=12;
405 	if (k>=43 && k<=50) spk=9;
406 	if (k==29||k==30) spk=9;
407 	if (k==7||k==36||k==37) spk=10;
408 	if (k==11||k==19) spk=11;
409 	if (verb==find||verb==invent) spk=59;
410 	if (k==62||k==65) spk=42;
411 	if (k==17) spk=80;
412 	rspeak(spk);
413 }
414 
415 int
416 bug(n)
417 int n;
418 {       printf("Please tell jim@rand.org that fatal bug %d happened.\n",n);
419 	exit(1);
420 }
421 
422 
423 void
424 checkhints()                                    /* 2600 &c              */
425 {       int hint;
426 	for (hint=4; hint<=hntmax; hint++)
427 	{       if (hinted[hint]) continue;
428 		if (!bitset(loc,hint)) hintlc[hint]= -1;
429 		hintlc[hint]++;
430 		if (hintlc[hint]<hints[hint][1]) continue;
431 		switch(hint)
432 		{   case 4:     /* 40400 */
433 			if (prop[grate]==0&&!here(keys)) goto l40010;
434 			goto l40020;
435 		    case 5:     /* 40500 */
436 			if (here(bird)&&toting(rod)&&obj==bird) goto l40010;
437 			continue;      /* i.e. goto l40030 */
438 		    case 6:     /* 40600 */
439 			if (here(snake)&&!here(bird)) goto l40010;
440 			goto l40020;
441 		    case 7:     /* 40700 */
442 			if (atloc[loc]==0&&atloc[oldloc]==0
443 			    && atloc[oldlc2]==0&&holdng>1) goto l40010;
444 			goto l40020;
445 		    case 8:     /* 40800 */
446 			if (prop[emrald]!= -1&&prop[pyram]== -1) goto l40010;
447 			goto l40020;
448 		    case 9:
449 			goto l40010;    /* 40900 */
450 		    default: bug(27);
451 		}
452 	l40010: hintlc[hint]=0;
453 		if (!yes(hints[hint][3],0,54)) continue;
454 		printf("I am prepared to give you a hint, but it will ");
455 		printf("cost you %d points.\n",hints[hint][2]);
456 		hinted[hint]=yes(175,hints[hint][4],54);
457 	l40020: hintlc[hint]=0;
458 	}
459 }
460 
461 
462 int
463 trsay()                                         /* 9030                 */
464 {       int i;
465 	if (*wd2!=0) strcpy(wd1,wd2);
466 	i=vocab(wd1,-1,0);
467 	if (i==62||i==65||i==71||i==2025)
468 	{       *wd2=0;
469 		obj=0;
470 		return(2630);
471 	}
472 	printf("\nOkay, \"%s\".\n",wd2);
473 	return(2012);
474 }
475 
476 
477 int
478 trtake()                                        /* 9010                 */
479 {
480 	if (toting(obj)) return(2011);  /* 9010 */
481 	spk=25;
482 	if (obj==plant&&prop[plant]<=0) spk=115;
483 	if (obj==bear&&prop[bear]==1) spk=169;
484 	if (obj==chain&&prop[bear]!=0) spk=170;
485 	if (fixed[obj]!=0) return(2011);
486 	if (obj==water||obj==oil)
487 	{       if (here(bottle)&&liq()==obj)
488 		{       obj=bottle;
489 			goto l9017;
490 		}
491 		obj=bottle;
492 		if (toting(bottle)&&prop[bottle]==1)
493 			return(9220);
494 		if (prop[bottle]!=1) spk=105;
495 		if (!toting(bottle)) spk=104;
496 		return(2011);
497 	}
498 l9017:  if (holdng>=7)
499 	{       rspeak(92);
500 		return(2012);
501 	}
502 	if (obj==bird)
503 	{       if (prop[bird]!=0) goto l9014;
504 		if (toting(rod))
505 		{       rspeak(26);
506 			return(2012);
507 		}
508 		if (!toting(cage))      /* 9013 */
509 		{       rspeak(27);
510 			return(2012);
511 		}
512 		prop[bird]=1;           /* 9015 */
513 	}
514 l9014:  if ((obj==bird||obj==cage)&&prop[bird]!=0)
515 		carry(bird+cage-obj,loc);
516 	carry(obj,loc);
517 	k=liq();
518 	if (obj==bottle && k!=0) place[k] = -1;
519 	return(2009);
520 }
521 
522 
523 static int
524 dropper()                                       /* 9021                 */
525 {       k=liq();
526 	if (k==obj) obj=bottle;
527 	if (obj==bottle&&k!=0) place[k]=0;
528 	if (obj==cage&&prop[bird]!=0) drop(bird,loc);
529 	if (obj==bird) prop[bird]=0;
530 	drop(obj,loc);
531 	return(2012);
532 }
533 
534 int
535 trdrop()                                        /* 9020                 */
536 {
537 	if (toting(rod2)&&obj==rod&&!toting(rod)) obj=rod2;
538 	if (!toting(obj)) return(2011);
539 	if (obj==bird&&here(snake))
540 	{       rspeak(30);
541 		if (closed) return(19000);
542 		dstroy(snake);
543 		prop[snake]=1;
544 		return(dropper());
545 	}
546 	if (obj==coins&&here(vend))             /* 9024                 */
547 	{       dstroy(coins);
548 		drop(batter,loc);
549 		pspeak(batter,0);
550 		return(2012);
551 	}
552 	if (obj==bird&&at(dragon)&&prop[dragon]==0)     /* 9025         */
553 	{       rspeak(154);
554 		dstroy(bird);
555 		prop[bird]=0;
556 		if (place[snake]==plac[snake]) tally2--;
557 		return(2012);
558 	}
559 	if (obj==bear&&at(troll))               /* 9026                 */
560 	{       rspeak(163);
561 		move(troll,0);
562 		move(troll+100,0);
563 		move(troll2,plac[troll]);
564 		move(troll2+100,fixd[troll]);
565 		juggle(chasm);
566 		prop[troll]=2;
567 		return(dropper());
568 	}
569 	if (obj!=vase||loc==plac[pillow])       /* 9027                 */
570 	{       rspeak(54);
571 		return(dropper());
572 	}
573 	prop[vase]=2;                           /* 9028                 */
574 	if (at(pillow)) prop[vase]=0;
575 	pspeak(vase,prop[vase]+1);
576 	if (prop[vase]!=0) fixed[vase] = -1;
577 	return(dropper());
578 }
579 
580 
581 int
582 tropen()                                        /* 9040                 */
583 {       if (obj==clam||obj==oyster)
584 	{       k=0;                            /* 9046                 */
585 		if (obj==oyster) k=1;
586 		spk=124+k;
587 		if (toting(obj)) spk=120+k;
588 		if (!toting(tridnt)) spk=122+k;
589 		if (verb==lock) spk=61;
590 		if (spk!=124) return(2011);
591 		dstroy(clam);
592 		drop(oyster,loc);
593 		drop(pearl,105);
594 		return(2011);
595 	}
596 	if (obj==door) spk=111;
597 	if (obj==door&&prop[door]==1) spk=54;
598 	if (obj==cage) spk=32;
599 	if (obj==keys) spk=55;
600 	if (obj==grate||obj==chain) spk=31;
601 	if (spk!=31||!here(keys)) return(2011);
602 	if (obj==chain)
603 	{       if (verb==lock)
604 		{       spk=172;                /* 9049: lock           */
605 			if (prop[chain]!=0) spk=34;
606 			if (loc!=plac[chain]) spk=173;
607 			if (spk!=172) return(2011);
608 			prop[chain]=2;
609 			if (toting(chain)) drop(chain,loc);
610 			fixed[chain]= -1;
611 			return(2011);
612 		}
613 		spk=171;
614 		if (prop[bear]==0) spk=41;
615 		if (prop[chain]==0) spk=37;
616 		if (spk!=171) return(2011);
617 		prop[chain]=0;
618 		fixed[chain]=0;
619 		if (prop[bear]!=3) prop[bear]=2;
620 		fixed[bear]=2-prop[bear];
621 		return(2011);
622 	}
623 	if (closng)
624 	{       k=130;
625 		if (!panic) clock2=15;
626 		panic=TRUE;
627 		return(2010);
628 	}
629 	k=34+prop[grate];                       /* 9043                 */
630 	prop[grate]=1;
631 	if (verb==lock) prop[grate]=0;
632 	k=k+2*prop[grate];
633 	return(2010);
634 }
635 
636 
637 int
638 trkill()                                /* 9120                         */
639 {       int i;
640 	for (i=1; i<=5; i++)
641 		if (dloc[i]==loc&&dflag>=2) break;
642 	if (i==6) i=0;
643 	if (obj==0)                     /* 9122                         */
644 	{       if (i!=0) obj=dwarf;
645 		if (here(snake)) obj=obj*100+snake;
646 		if (at(dragon)&&prop[dragon]==0) obj=obj*100+dragon;
647 		if (at(troll)) obj=obj*100+troll;
648 		if (here(bear)&&prop[bear]==0) obj=obj*100+bear;
649 		if (obj>100) return(8000);
650 		if (obj==0)
651 		{       if (here(bird)&&verb!=throw) obj=bird;
652 			if (here(clam)||here(oyster)) obj=100*obj+clam;
653 			if (obj>100) return(8000);
654 		}
655 	}
656 	if (obj==bird)                  /* 9124                         */
657 	{       spk=137;
658 		if (closed) return(2011);
659 		dstroy(bird);
660 		prop[bird]=0;
661 		if (place[snake]==plac[snake]) tally2++;
662 		spk=45;
663 	}
664 	if (obj==0) spk=44;             /* 9125                         */
665 	if (obj==clam||obj==oyster) spk=150;
666 	if (obj==snake) spk=46;
667 	if (obj==dwarf) spk=49;
668 	if (obj==dwarf&&closed) return(19000);
669 	if (obj==dragon) spk=147;
670 	if (obj==troll) spk=157;
671 	if (obj==bear) spk=165+(prop[bear]+1)/2;
672 	if (obj!=dragon||prop[dragon]!=0) return(2011);
673 	rspeak(49);
674 	verb=0;
675 	obj=0;
676 	getin(&wd1,&wd2);
677 	if (strncmp(wd1,"y",1)&&strncmp(wd1,"yes",3)) return(2608);
678 	pspeak(dragon,1);
679 	prop[dragon]=2;
680 	prop[rug]=0;
681 	k=(plac[dragon]+fixd[dragon])/2;
682 	move(dragon+100,-1);
683 	move(rug+100,0);
684 	move(dragon,k);
685 	move(rug,k);
686 	for (obj=1; obj<=100; obj++)
687 		if (place[obj]==plac[dragon]||place[obj]==fixd[dragon])
688 			move(obj,k);
689 	loc=k;
690 	k=null;
691 	return(8);
692 }
693 
694 
695 int
696 trtoss()                                /* 9170: throw                  */
697 {       int i;
698 	if (toting(rod2)&&obj==rod&&!toting(rod)) obj=rod2;
699 	if (!toting(obj)) return(2011);
700 	if (obj>=50&&obj<=maxtrs&&at(troll))
701 	{       spk=159;                        /* 9178                 */
702 		drop(obj,0);
703 		move(troll,0);
704 		move(troll+100,0);
705 		drop(troll2,plac[troll]);
706 		drop(troll2+100,fixd[troll]);
707 		juggle(chasm);
708 		return(2011);
709 	}
710 	if (obj==food&&here(bear))
711 	{       obj=bear;                       /* 9177                 */
712 		return(9210);
713 	}
714 	if (obj!=axe) return(9020);
715 	for (i=1; i<=5; i++)
716 	{       if (dloc[i]==loc)
717 		{       spk=48;                 /* 9172                 */
718 			if (ran(3)==0||saved!= -1)
719 		l9175:  {       rspeak(spk);
720 				drop(axe,loc);
721 				k=null;
722 				return(8);
723 			}
724 			dseen[i]=FALSE;
725 			dloc[i]=0;
726 			spk=47;
727 			dkill++;
728 			if (dkill==1) spk=149;
729 			goto l9175;
730 		}
731 	}
732 	spk=152;
733 	if (at(dragon)&&prop[dragon]==0)
734 		goto l9175;
735 	spk=158;
736 	if (at(troll)) goto l9175;
737 	if (here(bear)&&prop[bear]==0)
738 	{       spk=164;
739 		drop(axe,loc);
740 		fixed[axe]= -1;
741 		prop[axe]=1;
742 		juggle(bear);
743 		return(2011);
744 	}
745 	obj=0;
746 	return(9120);
747 }
748 
749 
750 int
751 trfeed()                                        /* 9210                 */
752 {       if (obj==bird)
753 	{       spk=100;
754 		return(2011);
755 	}
756 	if (obj==snake||obj==dragon||obj==troll)
757 	{       spk=102;
758 		if (obj==dragon&&prop[dragon]!=0) spk=110;
759 		if (obj==troll) spk=182;
760 		if (obj!=snake||closed||!here(bird)) return(2011);
761 		spk=101;
762 		dstroy(bird);
763 		prop[bird]=0;
764 		tally2++;
765 		return(2011);
766 	}
767 	if (obj==dwarf)
768 	{       if (!here(food)) return(2011);
769 		spk=103;
770 		dflag++;
771 		return(2011);
772 	}
773 	if (obj==bear)
774 	{       if (prop[bear]==0) spk=102;
775 		if (prop[bear]==3) spk=110;
776 		if (!here(food)) return(2011);
777 		dstroy(food);
778 		prop[bear]=1;
779 		fixed[axe]=0;
780 		prop[axe]=0;
781 		spk=168;
782 		return(2011);
783 	}
784 	spk=14;
785 	return(2011);
786 }
787 
788 
789 int
790 trfill()                                        /* 9220 */
791 {       if (obj==vase)
792 	{       spk=29;
793 		if (liqloc(loc)==0) spk=144;
794 		if (liqloc(loc)==0||!toting(vase)) return(2011);
795 		rspeak(145);
796 		prop[vase]=2;
797 		fixed[vase]= -1;
798 		return(9020);           /* advent/10 goes to 9024 */
799 	}
800 	if (obj!=0&&obj!=bottle) return(2011);
801 	if (obj==0&&!here(bottle)) return(8000);
802 	spk=107;
803 	if (liqloc(loc)==0) spk=106;
804 	if (liq()!=0) spk=105;
805 	if (spk!=107) return(2011);
806 	prop[bottle]=((cond[loc]%4)/2)*2;
807 	k=liq();
808 	if (toting(bottle)) place[k]= -1;
809 	if (k==oil) spk=108;
810 	return(2011);
811 }
812 
813 
814 void
815 closing()                               /* 10000 */
816 {       int i;
817 
818 	prop[grate]=prop[fissur]=0;
819 	for (i=1; i<=6; i++)
820 	{       dseen[i]=FALSE;
821 		dloc[i]=0;
822 	}
823 	move(troll,0);
824 	move(troll+100,0);
825 	move(troll2,plac[troll]);
826 	move(troll2+100,fixd[troll]);
827 	juggle(chasm);
828 	if(prop[bear]!=3) dstroy(bear);
829 	prop[chain]=0;
830 	fixed[chain]=0;
831 	prop[axe]=0;
832 	fixed[axe]=0;
833 	rspeak(129);
834 	clock1 = -1;
835 	closng=TRUE;
836 }
837 
838 
839 void
840 caveclose()                             /* 11000 */
841 {       int i;
842 	prop[bottle]=put(bottle,115,1);
843 	prop[plant]=put(plant,115,0);
844 	prop[oyster]=put(oyster,115,0);
845 	prop[lamp]=put(lamp,115,0);
846 	prop[rod]=put(rod,115,0);
847 	prop[dwarf]=put(dwarf,115,0);
848 	loc=115;
849 	oldloc=115;
850 	newloc=115;
851 
852 	put(grate,116,0);
853 	prop[snake]=put(snake,116,1);
854 	prop[bird]=put(bird,116,1);
855 	prop[cage]=put(cage,116,0);
856 	prop[rod2]=put(rod2,116,0);
857 	prop[pillow]=put(pillow,116,0);
858 
859 	prop[mirror]=put(mirror,115,0);
860 	fixed[mirror]=116;
861 
862 	for (i=1; i<=100; i++)
863 		if (toting(i)) dstroy(i);
864 	rspeak(132);
865 	closed=TRUE;
866 }
867