xref: /dragonfly/games/adventure/subr.c (revision 984263bc)
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 #if 0
41 static char sccsid[] = "@(#)subr.c	8.1 (Berkeley) 5/31/93";
42 #endif
43 static const char rcsid[] =
44  "$FreeBSD: src/games/adventure/subr.c,v 1.7.2.1 2001/03/05 11:43:11 kris Exp $";
45 #endif /* not lint */
46 
47 /*      Re-coding of advent in C: subroutines from main                 */
48 
49 #include <stdio.h>
50 #include <string.h>
51 #include "hdr.h"
52 
53 static void badmove (void);
54 static int bitset (int,int);
55 static int dropper (void);
56 static int liq2 (int);
57 static int mback (void);
58 static int specials (void);
59 static int trbridge (void);
60 
61 /*              Statement functions     */
62 int
63 toting(objj)
64 int objj;
65 {       if (place[objj] == -1) return(TRUE);
66 	else return(FALSE);
67 }
68 
69 int
70 here(objj)
71 int objj;
72 {       if (place[objj]==loc || toting(objj)) return(TRUE);
73 	else return(FALSE);
74 }
75 
76 int
77 at(objj)
78 int objj;
79 {       if (place[objj]==loc || fixed[objj]==loc) return(TRUE);
80 	else return (FALSE);
81 }
82 
83 static int
84 liq2(pbotl)
85 int pbotl;
86 {       return((1-pbotl)*water+(pbotl/2)*(water+oil));
87 }
88 
89 int
90 liq()
91 {       int i;
92 	i=prop[bottle];
93 	if (i>-1-i) return(liq2(i));
94 	else return(liq2(-1-i));
95 }
96 
97 int
98 liqloc(locc)     /* may want to clean this one up a bit */
99 int locc;
100 {       int i,j,l;
101 	i=cond[locc]/2;
102 	j=((i*2)%8)-5;
103 	l=cond[locc]/4;
104 	l=l%2;
105 	return(liq2(j*l+1));
106 }
107 
108 static int
109 bitset(l,n)
110 int l,n;
111 {       if (cond[l] & setbit[n]) return(TRUE);
112 	return(FALSE);
113 }
114 
115 int
116 forced(locc)
117 int locc;
118 {       if (cond[locc]==2) return(TRUE);
119 	return(FALSE);
120 }
121 
122 int
123 dark()
124 {       if ((cond[loc]%2)==0 && (prop[lamp]==0 || !here(lamp)))
125 		return(TRUE);
126 	return(FALSE);
127 }
128 
129 int
130 pct(n)
131 int n;
132 {       if (ran(100)<n) return(TRUE);
133 	return(FALSE);
134 }
135 
136 
137 int
138 fdwarf()		/* 71 */
139 {	int i,j;
140 	struct travlist *kk;
141 
142 	if (newloc!=loc&&!forced(loc)&&!bitset(loc,3))
143 	{	for (i=1; i<=5; i++)
144 		{	if (odloc[i]!=newloc||!dseen[i]) continue;
145 			newloc=loc;
146 			rspeak(2);
147 			break;
148 		}
149 	}
150 	loc=newloc;			/* 74 */
151 	if (loc==0||forced(loc)||bitset(newloc,3)) return(2000);
152 	if (dflag==0)
153 	{	if (loc>=15) dflag=1;
154 		return(2000);
155 	}
156 	if (dflag==1)		/* 6000 */
157 	{	if (loc<15||pct(95)) return(2000);
158 		dflag=2;
159 		for (i=1; i<=2; i++)
160 		{	j=1+ran(5);
161 			if (pct(50)&&saved== -1) dloc[j]=0; /* 6001 */
162 		}
163 		for (i=1; i<=5; i++)
164 		{	if (dloc[i]==loc) dloc[i]=daltlc;
165 			odloc[i]=dloc[i];		/* 6002 */
166 		}
167 		rspeak(3);
168 		drop(axe,loc);
169 		return(2000);
170 	}
171 	dtotal=attack=stick=0;			/* 6010 */
172 	for (i=1; i<=6; i++)                    /* loop to 6030 */
173 	{	if (dloc[i]==0) continue;
174 		j=1;
175 		for (kk=travel[dloc[i]]; kk!=0; kk=kk->next)
176 		{	newloc=kk->tloc;
177 			if (newloc>300||newloc<15||newloc==odloc[i]
178 			    ||(j>1&&newloc==tk[j-1])||j>=20
179 			    ||newloc==dloc[i]||forced(newloc)
180 			    ||(i==6&&bitset(newloc,3))
181 			    ||kk->conditions==100) continue;
182 			tk[j++]=newloc;
183 		}
184 		tk[j]=odloc[i];                 /* 6016 */
185 		if (j>=2) j--;
186 		j=1+ran(j);
187 		odloc[i]=dloc[i];
188 		dloc[i]=tk[j];
189 		dseen[i]=(dseen[i]&&loc>=15)||(dloc[i]==loc||odloc[i]==loc);
190 		if (!dseen[i]) continue;        /* i.e. goto 6030 */
191 		dloc[i]=loc;
192 		if (i==6)                       /* pirate's spotted him */
193 		{       if (loc==chloc||prop[chest]>=0) continue;
194 			k=0;
195 			for (j=50; j<=maxtrs; j++)      /* loop to 6020 */
196 			{       if (j==pyram&&(loc==plac[pyram]
197 				     || loc==plac[emrald])) goto l6020;
198 				if (toting(j)) goto l6022;
199 			l6020:  if (here(j)) k=1;
200 			}                               /* 6020 */
201 			if (tally==tally2+1 && k==0 && place[chest]==0
202 			    &&here(lamp) && prop[lamp]==1) goto l6025;
203 			if (odloc[6]!=dloc[6]&&pct(20))
204 				rspeak(127);
205 			continue;       /* to 6030 */
206 		l6022:  rspeak(128);
207 			if (place[messag]==0) move(chest,chloc);
208 			move(messag,chloc2);
209 			for (j=50; j<=maxtrs; j++)      /* loop to 6023 */
210 			{       if (j==pyram && (loc==plac[pyram]
211 				    || loc==plac[emrald])) continue;
212 				if (at(j)&&fixed[j]==0) carry(j,loc);
213 				if (toting(j)) drop(j,chloc);
214 			}
215 		l6024:  dloc[6]=odloc[6]=chloc;
216 			dseen[6]=FALSE;
217 			continue;
218 		l6025:  rspeak(186);
219 			move(chest,chloc);
220 			move(messag,chloc2);
221 			goto l6024;
222 		}
223 		dtotal++;                       /* 6027 */
224 		if (odloc[i]!=dloc[i]) continue;
225 		attack++;
226 		if (knfloc>=0) knfloc=loc;
227 		if (ran(1000)<95*(dflag-2)) stick++;
228 	}                                       /* 6030 */
229 	if (dtotal==0) return(2000);
230 	if (dtotal!=1)
231 	{       printf("There are %d threatening little dwarves ",dtotal);
232 		printf("in the room with you.\n");
233 	}
234 	else rspeak(4);
235 	if (attack==0) return(2000);
236 	if (dflag==2) dflag=3;
237 	if (saved!= -1) dflag=20;
238 	if (attack!=1)
239 	{       printf("%d of them throw knives at you!\n",attack);
240 		k=6;
241 	l82:    if (stick<=1)                   /* 82 */
242 		{       rspeak(k+stick);
243 			if (stick==0) return(2000);
244 		}
245 		else
246 			printf("%d of them get you!\n",stick);  /* 83 */
247 		oldlc2=loc;
248 		return(99);
249 	}
250 	rspeak(5);
251 	k=52;
252 	goto l82;
253 }
254 
255 
256 int
257 march()                                        /* label 8              */
258 {       int ll1,ll2;
259 
260 	if ((tkk=travel[newloc=loc])==0) bug(26);
261 	if (k==null) return(2);
262 	if (k==cave)                            /* 40                   */
263 	{       if (loc<8) rspeak(57);
264 		if (loc>=8) rspeak(58);
265 		return(2);
266 	}
267 	if (k==look)                            /* 30                   */
268 	{       if (detail++<3) rspeak(15);
269 		wzdark=FALSE;
270 		abb[loc]=0;
271 		return(2);
272 	}
273 	if (k==back)                            /* 20                   */
274 	{       switch(mback())
275 		{       case 2: return(2);
276 			case 9: goto l9;
277 			default: bug(100);
278 		}
279 	}
280 	oldlc2=oldloc;
281 	oldloc=loc;
282 l9:
283 	for (; tkk!=0; tkk=tkk->next)
284 		if (tkk->tverb==1 || tkk->tverb==k) break;
285 	if (tkk==0)
286 	{       badmove();
287 		return(2);
288 	}
289 l11:    ll1=tkk->conditions;                    /* 11                   */
290 	ll2=tkk->tloc;
291 	newloc=ll1;                             /* newloc=conditions    */
292 	k=newloc%100;                           /* k used for prob      */
293 	if (newloc<=300)
294 	{       if (newloc<=100)                /* 13                   */
295 		{       if (newloc!=0&&!pct(newloc)) goto l12;  /* 14   */
296 		l16:    newloc=ll2;             /* newloc=location      */
297 			if (newloc<=300) return(2);
298 			if (newloc<=500)
299 				switch(specials())/* to 30000           */
300 				{   case 2: return(2);
301 				    case 12: goto l12;
302 				    case 99: return(99);
303 				    default: bug(101);
304 				}
305 			rspeak(newloc-500);
306 			newloc=loc;
307 			return(2);
308 		}
309 		if (toting(k)||(newloc>200&&at(k))) goto l16;
310 		goto l12;
311 	}
312 	if (prop[k]!=(newloc/100)-3) goto l16;  /* newloc still conditions*/
313 l12:    /* alternative to probability move      */
314 	for (; tkk!=0; tkk=tkk->next)
315 		if (tkk->tloc!=ll2 || tkk->conditions!=ll1) break;
316 	if (tkk==0) bug(25);
317 	goto l11;
318 }
319 
320 
321 
322 static int
323 mback()                                         /* 20                   */
324 {       struct travlist *tk2,*j;
325 	int ll;
326 	if (forced(k=oldloc)) k=oldlc2;         /* k=location           */
327 	oldlc2=oldloc;
328 	oldloc=loc;
329 	tk2=0;
330 	if (k==loc)
331 	{       rspeak(91);
332 		return(2);
333 	}
334 	for (; tkk!=0; tkk=tkk->next)           /* 21                   */
335 	{       ll=tkk->tloc;
336 		if (ll==k)
337 		{       k=tkk->tverb;           /* k back to verb       */
338 			tkk=travel[loc];
339 			return(9);
340 		}
341 		if (ll<=300)
342 		{       j=travel[loc];
343 			if (forced(ll) && k==j->tloc) tk2=tkk;
344 		}
345 	}
346 	tkk=tk2;                                /* 23                   */
347 	if (tkk!=0)
348 	{       k=tkk->tverb;
349 		tkk=travel[loc];
350 		return(9);
351 	}
352 	rspeak(140);
353 	return(2);
354 }
355 
356 
357 static int
358 specials()                                      /* 30000                */
359 {       switch(newloc -= 300)
360 	{   case 1:                             /* 30100                */
361 		newloc = 99+100-loc;
362 		if (holdng==0||(holdng==1&&toting(emrald))) return(2);
363 		newloc=loc;
364 		rspeak(117);
365 		return(2);
366 	    case 2:                             /* 30200                */
367 		drop(emrald,loc);
368 		return(12);
369 	    case 3:                             /* to 30300             */
370 		return(trbridge());
371 	    default: bug(29);
372 	}
373 	/* NOTREACHED */
374 	return(-1);
375 }
376 
377 
378 static int
379 trbridge()                                      /* 30300                */
380 {       if (prop[troll]==1)
381 	{       pspeak(troll,1);
382 		prop[troll]=0;
383 		move(troll2,0);
384 		move(troll2+100,0);
385 		move(troll,plac[troll]);
386 		move(troll+100,fixd[troll]);
387 		juggle(chasm);
388 		newloc=loc;
389 		return(2);
390 	}
391 	newloc=plac[troll]+fixd[troll]-loc;     /* 30310                */
392 	if (prop[troll]==0) prop[troll]=1;
393 	if (!toting(bear)) return(2);
394 	rspeak(162);
395 	prop[chasm]=1;
396 	prop[troll]=2;
397 	drop(bear,newloc);
398 	fixed[bear] = -1;
399 	prop[bear]=3;
400 	if (prop[spices]<0) tally2++;
401 	oldlc2=newloc;
402 	return(99);
403 }
404 
405 
406 static void
407 badmove()                                       /* 20                   */
408 {       spk=12;
409 	if (k>=43 && k<=50) spk=9;
410 	if (k==29||k==30) spk=9;
411 	if (k==7||k==36||k==37) spk=10;
412 	if (k==11||k==19) spk=11;
413 	if (verb==find||verb==invent) spk=59;
414 	if (k==62||k==65) spk=42;
415 	if (k==17) spk=80;
416 	rspeak(spk);
417 }
418 
419 int
420 bug(n)
421 int n;
422 {       printf("Please tell jim@rand.org that fatal bug %d happened.\n",n);
423 	exit(1);
424 }
425 
426 
427 void
428 checkhints()                                    /* 2600 &c              */
429 {       int hint;
430 	for (hint=4; hint<=hntmax; hint++)
431 	{       if (hinted[hint]) continue;
432 		if (!bitset(loc,hint)) hintlc[hint]= -1;
433 		hintlc[hint]++;
434 		if (hintlc[hint]<hints[hint][1]) continue;
435 		switch(hint)
436 		{   case 4:     /* 40400 */
437 			if (prop[grate]==0&&!here(keys)) goto l40010;
438 			goto l40020;
439 		    case 5:     /* 40500 */
440 			if (here(bird)&&toting(rod)&&obj==bird) goto l40010;
441 			continue;      /* i.e. goto l40030 */
442 		    case 6:     /* 40600 */
443 			if (here(snake)&&!here(bird)) goto l40010;
444 			goto l40020;
445 		    case 7:     /* 40700 */
446 			if (atloc[loc]==0&&atloc[oldloc]==0
447 			    && atloc[oldlc2]==0&&holdng>1) goto l40010;
448 			goto l40020;
449 		    case 8:     /* 40800 */
450 			if (prop[emrald]!= -1&&prop[pyram]== -1) goto l40010;
451 			goto l40020;
452 		    case 9:
453 			goto l40010;    /* 40900 */
454 		    default: bug(27);
455 		}
456 	l40010: hintlc[hint]=0;
457 		if (!yes(hints[hint][3],0,54)) continue;
458 		printf("I am prepared to give you a hint, but it will ");
459 		printf("cost you %d points.\n",hints[hint][2]);
460 		hinted[hint]=yes(175,hints[hint][4],54);
461 	l40020: hintlc[hint]=0;
462 	}
463 }
464 
465 
466 int
467 trsay()                                         /* 9030                 */
468 {       int i;
469 	if (*wd2!=0) strcpy(wd1,wd2);
470 	i=vocab(wd1,-1,0);
471 	if (i==62||i==65||i==71||i==2025)
472 	{       *wd2=0;
473 		obj=0;
474 		return(2630);
475 	}
476 	printf("\nOkay, \"%s\".\n",wd2);
477 	return(2012);
478 }
479 
480 
481 int
482 trtake()                                        /* 9010                 */
483 {
484 	if (toting(obj)) return(2011);  /* 9010 */
485 	spk=25;
486 	if (obj==plant&&prop[plant]<=0) spk=115;
487 	if (obj==bear&&prop[bear]==1) spk=169;
488 	if (obj==chain&&prop[bear]!=0) spk=170;
489 	if (fixed[obj]!=0) return(2011);
490 	if (obj==water||obj==oil)
491 	{       if (here(bottle)&&liq()==obj)
492 		{       obj=bottle;
493 			goto l9017;
494 		}
495 		obj=bottle;
496 		if (toting(bottle)&&prop[bottle]==1)
497 			return(9220);
498 		if (prop[bottle]!=1) spk=105;
499 		if (!toting(bottle)) spk=104;
500 		return(2011);
501 	}
502 l9017:  if (holdng>=7)
503 	{       rspeak(92);
504 		return(2012);
505 	}
506 	if (obj==bird)
507 	{       if (prop[bird]!=0) goto l9014;
508 		if (toting(rod))
509 		{       rspeak(26);
510 			return(2012);
511 		}
512 		if (!toting(cage))      /* 9013 */
513 		{       rspeak(27);
514 			return(2012);
515 		}
516 		prop[bird]=1;           /* 9015 */
517 	}
518 l9014:  if ((obj==bird||obj==cage)&&prop[bird]!=0)
519 		carry(bird+cage-obj,loc);
520 	carry(obj,loc);
521 	k=liq();
522 	if (obj==bottle && k!=0) place[k] = -1;
523 	return(2009);
524 }
525 
526 
527 static int
528 dropper()                                       /* 9021                 */
529 {       k=liq();
530 	if (k==obj) obj=bottle;
531 	if (obj==bottle&&k!=0) place[k]=0;
532 	if (obj==cage&&prop[bird]!=0) drop(bird,loc);
533 	if (obj==bird) prop[bird]=0;
534 	drop(obj,loc);
535 	return(2012);
536 }
537 
538 int
539 trdrop()                                        /* 9020                 */
540 {
541 	if (toting(rod2)&&obj==rod&&!toting(rod)) obj=rod2;
542 	if (!toting(obj)) return(2011);
543 	if (obj==bird&&here(snake))
544 	{       rspeak(30);
545 		if (closed) return(19000);
546 		dstroy(snake);
547 		prop[snake]=1;
548 		return(dropper());
549 	}
550 	if (obj==coins&&here(vend))             /* 9024                 */
551 	{       dstroy(coins);
552 		drop(batter,loc);
553 		pspeak(batter,0);
554 		return(2012);
555 	}
556 	if (obj==bird&&at(dragon)&&prop[dragon]==0)     /* 9025         */
557 	{       rspeak(154);
558 		dstroy(bird);
559 		prop[bird]=0;
560 		if (place[snake]==plac[snake]) tally2--;
561 		return(2012);
562 	}
563 	if (obj==bear&&at(troll))               /* 9026                 */
564 	{       rspeak(163);
565 		move(troll,0);
566 		move(troll+100,0);
567 		move(troll2,plac[troll]);
568 		move(troll2+100,fixd[troll]);
569 		juggle(chasm);
570 		prop[troll]=2;
571 		return(dropper());
572 	}
573 	if (obj!=vase||loc==plac[pillow])       /* 9027                 */
574 	{       rspeak(54);
575 		return(dropper());
576 	}
577 	prop[vase]=2;                           /* 9028                 */
578 	if (at(pillow)) prop[vase]=0;
579 	pspeak(vase,prop[vase]+1);
580 	if (prop[vase]!=0) fixed[vase] = -1;
581 	return(dropper());
582 }
583 
584 
585 int
586 tropen()                                        /* 9040                 */
587 {       if (obj==clam||obj==oyster)
588 	{       k=0;                            /* 9046                 */
589 		if (obj==oyster) k=1;
590 		spk=124+k;
591 		if (toting(obj)) spk=120+k;
592 		if (!toting(tridnt)) spk=122+k;
593 		if (verb==lock) spk=61;
594 		if (spk!=124) return(2011);
595 		dstroy(clam);
596 		drop(oyster,loc);
597 		drop(pearl,105);
598 		return(2011);
599 	}
600 	if (obj==door) spk=111;
601 	if (obj==door&&prop[door]==1) spk=54;
602 	if (obj==cage) spk=32;
603 	if (obj==keys) spk=55;
604 	if (obj==grate||obj==chain) spk=31;
605 	if (spk!=31||!here(keys)) return(2011);
606 	if (obj==chain)
607 	{       if (verb==lock)
608 		{       spk=172;                /* 9049: lock           */
609 			if (prop[chain]!=0) spk=34;
610 			if (loc!=plac[chain]) spk=173;
611 			if (spk!=172) return(2011);
612 			prop[chain]=2;
613 			if (toting(chain)) drop(chain,loc);
614 			fixed[chain]= -1;
615 			return(2011);
616 		}
617 		spk=171;
618 		if (prop[bear]==0) spk=41;
619 		if (prop[chain]==0) spk=37;
620 		if (spk!=171) return(2011);
621 		prop[chain]=0;
622 		fixed[chain]=0;
623 		if (prop[bear]!=3) prop[bear]=2;
624 		fixed[bear]=2-prop[bear];
625 		return(2011);
626 	}
627 	if (closng)
628 	{       k=130;
629 		if (!panic) clock2=15;
630 		panic=TRUE;
631 		return(2010);
632 	}
633 	k=34+prop[grate];                       /* 9043                 */
634 	prop[grate]=1;
635 	if (verb==lock) prop[grate]=0;
636 	k=k+2*prop[grate];
637 	return(2010);
638 }
639 
640 
641 int
642 trkill()                                /* 9120                         */
643 {       int i;
644 	for (i=1; i<=5; i++)
645 		if (dloc[i]==loc&&dflag>=2) break;
646 	if (i==6) i=0;
647 	if (obj==0)                     /* 9122                         */
648 	{       if (i!=0) obj=dwarf;
649 		if (here(snake)) obj=obj*100+snake;
650 		if (at(dragon)&&prop[dragon]==0) obj=obj*100+dragon;
651 		if (at(troll)) obj=obj*100+troll;
652 		if (here(bear)&&prop[bear]==0) obj=obj*100+bear;
653 		if (obj>100) return(8000);
654 		if (obj==0)
655 		{       if (here(bird)&&verb!=throw) obj=bird;
656 			if (here(clam)||here(oyster)) obj=100*obj+clam;
657 			if (obj>100) return(8000);
658 		}
659 	}
660 	if (obj==bird)                  /* 9124                         */
661 	{       spk=137;
662 		if (closed) return(2011);
663 		dstroy(bird);
664 		prop[bird]=0;
665 		if (place[snake]==plac[snake]) tally2++;
666 		spk=45;
667 	}
668 	if (obj==0) spk=44;             /* 9125                         */
669 	if (obj==clam||obj==oyster) spk=150;
670 	if (obj==snake) spk=46;
671 	if (obj==dwarf) spk=49;
672 	if (obj==dwarf&&closed) return(19000);
673 	if (obj==dragon) spk=147;
674 	if (obj==troll) spk=157;
675 	if (obj==bear) spk=165+(prop[bear]+1)/2;
676 	if (obj!=dragon||prop[dragon]!=0) return(2011);
677 	rspeak(49);
678 	verb=0;
679 	obj=0;
680 	getin(&wd1,&wd2);
681 	if (strncmp(wd1,"y",1)&&strncmp(wd1,"yes",3)) return(2608);
682 	pspeak(dragon,1);
683 	prop[dragon]=2;
684 	prop[rug]=0;
685 	k=(plac[dragon]+fixd[dragon])/2;
686 	move(dragon+100,-1);
687 	move(rug+100,0);
688 	move(dragon,k);
689 	move(rug,k);
690 	for (obj=1; obj<=100; obj++)
691 		if (place[obj]==plac[dragon]||place[obj]==fixd[dragon])
692 			move(obj,k);
693 	loc=k;
694 	k=null;
695 	return(8);
696 }
697 
698 
699 int
700 trtoss()                                /* 9170: throw                  */
701 {       int i;
702 	if (toting(rod2)&&obj==rod&&!toting(rod)) obj=rod2;
703 	if (!toting(obj)) return(2011);
704 	if (obj>=50&&obj<=maxtrs&&at(troll))
705 	{       spk=159;                        /* 9178                 */
706 		drop(obj,0);
707 		move(troll,0);
708 		move(troll+100,0);
709 		drop(troll2,plac[troll]);
710 		drop(troll2+100,fixd[troll]);
711 		juggle(chasm);
712 		return(2011);
713 	}
714 	if (obj==food&&here(bear))
715 	{       obj=bear;                       /* 9177                 */
716 		return(9210);
717 	}
718 	if (obj!=axe) return(9020);
719 	for (i=1; i<=5; i++)
720 	{       if (dloc[i]==loc)
721 		{       spk=48;                 /* 9172                 */
722 			if (ran(3)==0||saved!= -1)
723 		l9175:  {       rspeak(spk);
724 				drop(axe,loc);
725 				k=null;
726 				return(8);
727 			}
728 			dseen[i]=FALSE;
729 			dloc[i]=0;
730 			spk=47;
731 			dkill++;
732 			if (dkill==1) spk=149;
733 			goto l9175;
734 		}
735 	}
736 	spk=152;
737 	if (at(dragon)&&prop[dragon]==0)
738 		goto l9175;
739 	spk=158;
740 	if (at(troll)) goto l9175;
741 	if (here(bear)&&prop[bear]==0)
742 	{       spk=164;
743 		drop(axe,loc);
744 		fixed[axe]= -1;
745 		prop[axe]=1;
746 		juggle(bear);
747 		return(2011);
748 	}
749 	obj=0;
750 	return(9120);
751 }
752 
753 
754 int
755 trfeed()                                        /* 9210                 */
756 {       if (obj==bird)
757 	{       spk=100;
758 		return(2011);
759 	}
760 	if (obj==snake||obj==dragon||obj==troll)
761 	{       spk=102;
762 		if (obj==dragon&&prop[dragon]!=0) spk=110;
763 		if (obj==troll) spk=182;
764 		if (obj!=snake||closed||!here(bird)) return(2011);
765 		spk=101;
766 		dstroy(bird);
767 		prop[bird]=0;
768 		tally2++;
769 		return(2011);
770 	}
771 	if (obj==dwarf)
772 	{       if (!here(food)) return(2011);
773 		spk=103;
774 		dflag++;
775 		return(2011);
776 	}
777 	if (obj==bear)
778 	{       if (prop[bear]==0) spk=102;
779 		if (prop[bear]==3) spk=110;
780 		if (!here(food)) return(2011);
781 		dstroy(food);
782 		prop[bear]=1;
783 		fixed[axe]=0;
784 		prop[axe]=0;
785 		spk=168;
786 		return(2011);
787 	}
788 	spk=14;
789 	return(2011);
790 }
791 
792 
793 int
794 trfill()                                        /* 9220 */
795 {       if (obj==vase)
796 	{       spk=29;
797 		if (liqloc(loc)==0) spk=144;
798 		if (liqloc(loc)==0||!toting(vase)) return(2011);
799 		rspeak(145);
800 		prop[vase]=2;
801 		fixed[vase]= -1;
802 		return(9020);           /* advent/10 goes to 9024 */
803 	}
804 	if (obj!=0&&obj!=bottle) return(2011);
805 	if (obj==0&&!here(bottle)) return(8000);
806 	spk=107;
807 	if (liqloc(loc)==0) spk=106;
808 	if (liq()!=0) spk=105;
809 	if (spk!=107) return(2011);
810 	prop[bottle]=((cond[loc]%4)/2)*2;
811 	k=liq();
812 	if (toting(bottle)) place[k]= -1;
813 	if (k==oil) spk=108;
814 	return(2011);
815 }
816 
817 
818 void
819 closing()                               /* 10000 */
820 {       int i;
821 
822 	prop[grate]=prop[fissur]=0;
823 	for (i=1; i<=6; i++)
824 	{       dseen[i]=FALSE;
825 		dloc[i]=0;
826 	}
827 	move(troll,0);
828 	move(troll+100,0);
829 	move(troll2,plac[troll]);
830 	move(troll2+100,fixd[troll]);
831 	juggle(chasm);
832 	if(prop[bear]!=3) dstroy(bear);
833 	prop[chain]=0;
834 	fixed[chain]=0;
835 	prop[axe]=0;
836 	fixed[axe]=0;
837 	rspeak(129);
838 	clock1 = -1;
839 	closng=TRUE;
840 }
841 
842 
843 void
844 caveclose()                             /* 11000 */
845 {       int i;
846 	prop[bottle]=put(bottle,115,1);
847 	prop[plant]=put(plant,115,0);
848 	prop[oyster]=put(oyster,115,0);
849 	prop[lamp]=put(lamp,115,0);
850 	prop[rod]=put(rod,115,0);
851 	prop[dwarf]=put(dwarf,115,0);
852 	loc=115;
853 	oldloc=115;
854 	newloc=115;
855 
856 	put(grate,116,0);
857 	prop[snake]=put(snake,116,1);
858 	prop[bird]=put(bird,116,1);
859 	prop[cage]=put(cage,116,0);
860 	prop[rod2]=put(rod2,116,0);
861 	prop[pillow]=put(pillow,116,0);
862 
863 	prop[mirror]=put(mirror,115,0);
864 	fixed[mirror]=116;
865 
866 	for (i=1; i<=100; i++)
867 		if (toting(i)) dstroy(i);
868 	rspeak(132);
869 	closed=TRUE;
870 }
871