xref: /dragonfly/games/adventure/subr.c (revision 6bd457ed)
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 1.3 2005/03/25 12:56:48 liamfoy Exp $
41  */
42 
43 /*      Re-coding of advent in C: subroutines from main                 */
44 
45 #include <stdio.h>
46 #include <stdlib.h>
47 #include <string.h>
48 #include "hdr.h"
49 
50 static void badmove (void);
51 static int bitset (int,int);
52 static int dropper (void);
53 static int liq2 (int);
54 static int mback (void);
55 static int specials (void);
56 static int trbridge (void);
57 
58 /*              Statement functions     */
59 int
60 toting(objj)
61 int objj;
62 {       if (place[objj] == -1) return(TRUE);
63 	else return(FALSE);
64 }
65 
66 int
67 here(objj)
68 int objj;
69 {       if (place[objj]==loc || toting(objj)) return(TRUE);
70 	else return(FALSE);
71 }
72 
73 int
74 at(objj)
75 int objj;
76 {       if (place[objj]==loc || fixed[objj]==loc) return(TRUE);
77 	else return (FALSE);
78 }
79 
80 static int
81 liq2(pbotl)
82 int pbotl;
83 {       return((1-pbotl)*water+(pbotl/2)*(water+oil));
84 }
85 
86 int
87 liq()
88 {       int i;
89 	i=prop[bottle];
90 	if (i>-1-i) return(liq2(i));
91 	else return(liq2(-1-i));
92 }
93 
94 int
95 liqloc(locc)     /* may want to clean this one up a bit */
96 int locc;
97 {       int i,j,l;
98 	i=cond[locc]/2;
99 	j=((i*2)%8)-5;
100 	l=cond[locc]/4;
101 	l=l%2;
102 	return(liq2(j*l+1));
103 }
104 
105 static int
106 bitset(l,n)
107 int l,n;
108 {       if (cond[l] & setbit[n]) return(TRUE);
109 	return(FALSE);
110 }
111 
112 int
113 forced(locc)
114 int locc;
115 {       if (cond[locc]==2) return(TRUE);
116 	return(FALSE);
117 }
118 
119 int
120 dark()
121 {       if ((cond[loc]%2)==0 && (prop[lamp]==0 || !here(lamp)))
122 		return(TRUE);
123 	return(FALSE);
124 }
125 
126 int
127 pct(n)
128 int n;
129 {       if (ran(100)<n) return(TRUE);
130 	return(FALSE);
131 }
132 
133 
134 int
135 fdwarf()		/* 71 */
136 {	int i,j;
137 	struct travlist *kk;
138 
139 	if (newloc!=loc&&!forced(loc)&&!bitset(loc,3))
140 	{	for (i=1; i<=5; i++)
141 		{	if (odloc[i]!=newloc||!dseen[i]) continue;
142 			newloc=loc;
143 			rspeak(2);
144 			break;
145 		}
146 	}
147 	loc=newloc;			/* 74 */
148 	if (loc==0||forced(loc)||bitset(newloc,3)) return(2000);
149 	if (dflag==0)
150 	{	if (loc>=15) dflag=1;
151 		return(2000);
152 	}
153 	if (dflag==1)		/* 6000 */
154 	{	if (loc<15||pct(95)) return(2000);
155 		dflag=2;
156 		for (i=1; i<=2; i++)
157 		{	j=1+ran(5);
158 			if (pct(50)&&saved== -1) dloc[j]=0; /* 6001 */
159 		}
160 		for (i=1; i<=5; i++)
161 		{	if (dloc[i]==loc) dloc[i]=daltlc;
162 			odloc[i]=dloc[i];		/* 6002 */
163 		}
164 		rspeak(3);
165 		drop(axe,loc);
166 		return(2000);
167 	}
168 	dtotal=attack=stick=0;			/* 6010 */
169 	for (i=1; i<=6; i++)                    /* loop to 6030 */
170 	{	if (dloc[i]==0) continue;
171 		j=1;
172 		for (kk=travel[dloc[i]]; kk!=0; kk=kk->next)
173 		{	newloc=kk->tloc;
174 			if (newloc>300||newloc<15||newloc==odloc[i]
175 			    ||(j>1&&newloc==tk[j-1])||j>=20
176 			    ||newloc==dloc[i]||forced(newloc)
177 			    ||(i==6&&bitset(newloc,3))
178 			    ||kk->conditions==100) continue;
179 			tk[j++]=newloc;
180 		}
181 		tk[j]=odloc[i];                 /* 6016 */
182 		if (j>=2) j--;
183 		j=1+ran(j);
184 		odloc[i]=dloc[i];
185 		dloc[i]=tk[j];
186 		dseen[i]=(dseen[i]&&loc>=15)||(dloc[i]==loc||odloc[i]==loc);
187 		if (!dseen[i]) continue;        /* i.e. goto 6030 */
188 		dloc[i]=loc;
189 		if (i==6)                       /* pirate's spotted him */
190 		{       if (loc==chloc||prop[chest]>=0) continue;
191 			k=0;
192 			for (j=50; j<=maxtrs; j++)      /* loop to 6020 */
193 			{       if (j==pyram&&(loc==plac[pyram]
194 				     || loc==plac[emrald])) goto l6020;
195 				if (toting(j)) goto l6022;
196 			l6020:  if (here(j)) k=1;
197 			}                               /* 6020 */
198 			if (tally==tally2+1 && k==0 && place[chest]==0
199 			    &&here(lamp) && prop[lamp]==1) goto l6025;
200 			if (odloc[6]!=dloc[6]&&pct(20))
201 				rspeak(127);
202 			continue;       /* to 6030 */
203 		l6022:  rspeak(128);
204 			if (place[messag]==0) move(chest,chloc);
205 			move(messag,chloc2);
206 			for (j=50; j<=maxtrs; j++)      /* loop to 6023 */
207 			{       if (j==pyram && (loc==plac[pyram]
208 				    || loc==plac[emrald])) continue;
209 				if (at(j)&&fixed[j]==0) carry(j,loc);
210 				if (toting(j)) drop(j,chloc);
211 			}
212 		l6024:  dloc[6]=odloc[6]=chloc;
213 			dseen[6]=FALSE;
214 			continue;
215 		l6025:  rspeak(186);
216 			move(chest,chloc);
217 			move(messag,chloc2);
218 			goto l6024;
219 		}
220 		dtotal++;                       /* 6027 */
221 		if (odloc[i]!=dloc[i]) continue;
222 		attack++;
223 		if (knfloc>=0) knfloc=loc;
224 		if (ran(1000)<95*(dflag-2)) stick++;
225 	}                                       /* 6030 */
226 	if (dtotal==0) return(2000);
227 	if (dtotal!=1)
228 	{       printf("There are %d threatening little dwarves ",dtotal);
229 		printf("in the room with you.\n");
230 	}
231 	else rspeak(4);
232 	if (attack==0) return(2000);
233 	if (dflag==2) dflag=3;
234 	if (saved!= -1) dflag=20;
235 	if (attack!=1)
236 	{       printf("%d of them throw knives at you!\n",attack);
237 		k=6;
238 	l82:    if (stick<=1)                   /* 82 */
239 		{       rspeak(k+stick);
240 			if (stick==0) return(2000);
241 		}
242 		else
243 			printf("%d of them get you!\n",stick);  /* 83 */
244 		oldlc2=loc;
245 		return(99);
246 	}
247 	rspeak(5);
248 	k=52;
249 	goto l82;
250 }
251 
252 
253 int
254 march()                                        /* label 8              */
255 {       int ll1,ll2;
256 
257 	if ((tkk=travel[newloc=loc])==0) bug(26);
258 	if (k==null) return(2);
259 	if (k==cave)                            /* 40                   */
260 	{       if (loc<8) rspeak(57);
261 		if (loc>=8) rspeak(58);
262 		return(2);
263 	}
264 	if (k==look)                            /* 30                   */
265 	{       if (detail++<3) rspeak(15);
266 		wzdark=FALSE;
267 		abb[loc]=0;
268 		return(2);
269 	}
270 	if (k==back)                            /* 20                   */
271 	{       switch(mback())
272 		{       case 2: return(2);
273 			case 9: goto l9;
274 			default: bug(100);
275 		}
276 	}
277 	oldlc2=oldloc;
278 	oldloc=loc;
279 l9:
280 	for (; tkk!=0; tkk=tkk->next)
281 		if (tkk->tverb==1 || tkk->tverb==k) break;
282 	if (tkk==0)
283 	{       badmove();
284 		return(2);
285 	}
286 l11:    ll1=tkk->conditions;                    /* 11                   */
287 	ll2=tkk->tloc;
288 	newloc=ll1;                             /* newloc=conditions    */
289 	k=newloc%100;                           /* k used for prob      */
290 	if (newloc<=300)
291 	{       if (newloc<=100)                /* 13                   */
292 		{       if (newloc!=0&&!pct(newloc)) goto l12;  /* 14   */
293 		l16:    newloc=ll2;             /* newloc=location      */
294 			if (newloc<=300) return(2);
295 			if (newloc<=500)
296 				switch(specials())/* to 30000           */
297 				{   case 2: return(2);
298 				    case 12: goto l12;
299 				    case 99: return(99);
300 				    default: bug(101);
301 				}
302 			rspeak(newloc-500);
303 			newloc=loc;
304 			return(2);
305 		}
306 		if (toting(k)||(newloc>200&&at(k))) goto l16;
307 		goto l12;
308 	}
309 	if (prop[k]!=(newloc/100)-3) goto l16;  /* newloc still conditions*/
310 l12:    /* alternative to probability move      */
311 	for (; tkk!=0; tkk=tkk->next)
312 		if (tkk->tloc!=ll2 || tkk->conditions!=ll1) break;
313 	if (tkk==0) bug(25);
314 	goto l11;
315 }
316 
317 
318 
319 static int
320 mback()                                         /* 20                   */
321 {       struct travlist *tk2,*j;
322 	int ll;
323 	if (forced(k=oldloc)) k=oldlc2;         /* k=location           */
324 	oldlc2=oldloc;
325 	oldloc=loc;
326 	tk2=0;
327 	if (k==loc)
328 	{       rspeak(91);
329 		return(2);
330 	}
331 	for (; tkk!=0; tkk=tkk->next)           /* 21                   */
332 	{       ll=tkk->tloc;
333 		if (ll==k)
334 		{       k=tkk->tverb;           /* k back to verb       */
335 			tkk=travel[loc];
336 			return(9);
337 		}
338 		if (ll<=300)
339 		{       j=travel[loc];
340 			if (forced(ll) && k==j->tloc) tk2=tkk;
341 		}
342 	}
343 	tkk=tk2;                                /* 23                   */
344 	if (tkk!=0)
345 	{       k=tkk->tverb;
346 		tkk=travel[loc];
347 		return(9);
348 	}
349 	rspeak(140);
350 	return(2);
351 }
352 
353 
354 static int
355 specials()                                      /* 30000                */
356 {       switch(newloc -= 300)
357 	{   case 1:                             /* 30100                */
358 		newloc = 99+100-loc;
359 		if (holdng==0||(holdng==1&&toting(emrald))) return(2);
360 		newloc=loc;
361 		rspeak(117);
362 		return(2);
363 	    case 2:                             /* 30200                */
364 		drop(emrald,loc);
365 		return(12);
366 	    case 3:                             /* to 30300             */
367 		return(trbridge());
368 	    default: bug(29);
369 	}
370 	/* NOTREACHED */
371 	return(-1);
372 }
373 
374 
375 static int
376 trbridge()                                      /* 30300                */
377 {       if (prop[troll]==1)
378 	{       pspeak(troll,1);
379 		prop[troll]=0;
380 		move(troll2,0);
381 		move(troll2+100,0);
382 		move(troll,plac[troll]);
383 		move(troll+100,fixd[troll]);
384 		juggle(chasm);
385 		newloc=loc;
386 		return(2);
387 	}
388 	newloc=plac[troll]+fixd[troll]-loc;     /* 30310                */
389 	if (prop[troll]==0) prop[troll]=1;
390 	if (!toting(bear)) return(2);
391 	rspeak(162);
392 	prop[chasm]=1;
393 	prop[troll]=2;
394 	drop(bear,newloc);
395 	fixed[bear] = -1;
396 	prop[bear]=3;
397 	if (prop[spices]<0) tally2++;
398 	oldlc2=newloc;
399 	return(99);
400 }
401 
402 
403 static void
404 badmove()                                       /* 20                   */
405 {       spk=12;
406 	if (k>=43 && k<=50) spk=9;
407 	if (k==29||k==30) spk=9;
408 	if (k==7||k==36||k==37) spk=10;
409 	if (k==11||k==19) spk=11;
410 	if (verb==find||verb==invent) spk=59;
411 	if (k==62||k==65) spk=42;
412 	if (k==17) spk=80;
413 	rspeak(spk);
414 }
415 
416 int
417 bug(n)
418 int n;
419 {       printf("Please tell jim@rand.org that fatal bug %d happened.\n",n);
420 	exit(1);
421 }
422 
423 
424 void
425 checkhints()                                    /* 2600 &c              */
426 {       int hint;
427 	for (hint=4; hint<=hntmax; hint++)
428 	{       if (hinted[hint]) continue;
429 		if (!bitset(loc,hint)) hintlc[hint]= -1;
430 		hintlc[hint]++;
431 		if (hintlc[hint]<hints[hint][1]) continue;
432 		switch(hint)
433 		{   case 4:     /* 40400 */
434 			if (prop[grate]==0&&!here(keys)) goto l40010;
435 			goto l40020;
436 		    case 5:     /* 40500 */
437 			if (here(bird)&&toting(rod)&&obj==bird) goto l40010;
438 			continue;      /* i.e. goto l40030 */
439 		    case 6:     /* 40600 */
440 			if (here(snake)&&!here(bird)) goto l40010;
441 			goto l40020;
442 		    case 7:     /* 40700 */
443 			if (atloc[loc]==0&&atloc[oldloc]==0
444 			    && atloc[oldlc2]==0&&holdng>1) goto l40010;
445 			goto l40020;
446 		    case 8:     /* 40800 */
447 			if (prop[emrald]!= -1&&prop[pyram]== -1) goto l40010;
448 			goto l40020;
449 		    case 9:
450 			goto l40010;    /* 40900 */
451 		    default: bug(27);
452 		}
453 	l40010: hintlc[hint]=0;
454 		if (!yes(hints[hint][3],0,54)) continue;
455 		printf("I am prepared to give you a hint, but it will ");
456 		printf("cost you %d points.\n",hints[hint][2]);
457 		hinted[hint]=yes(175,hints[hint][4],54);
458 	l40020: hintlc[hint]=0;
459 	}
460 }
461 
462 
463 int
464 trsay()                                         /* 9030                 */
465 {       int i;
466 	if (*wd2!=0) strcpy(wd1,wd2);
467 	i=vocab(wd1,-1,0);
468 	if (i==62||i==65||i==71||i==2025)
469 	{       *wd2=0;
470 		obj=0;
471 		return(2630);
472 	}
473 	printf("\nOkay, \"%s\".\n",wd2);
474 	return(2012);
475 }
476 
477 
478 int
479 trtake()                                        /* 9010                 */
480 {
481 	if (toting(obj)) return(2011);  /* 9010 */
482 	spk=25;
483 	if (obj==plant&&prop[plant]<=0) spk=115;
484 	if (obj==bear&&prop[bear]==1) spk=169;
485 	if (obj==chain&&prop[bear]!=0) spk=170;
486 	if (fixed[obj]!=0) return(2011);
487 	if (obj==water||obj==oil)
488 	{       if (here(bottle)&&liq()==obj)
489 		{       obj=bottle;
490 			goto l9017;
491 		}
492 		obj=bottle;
493 		if (toting(bottle)&&prop[bottle]==1)
494 			return(9220);
495 		if (prop[bottle]!=1) spk=105;
496 		if (!toting(bottle)) spk=104;
497 		return(2011);
498 	}
499 l9017:  if (holdng>=7)
500 	{       rspeak(92);
501 		return(2012);
502 	}
503 	if (obj==bird)
504 	{       if (prop[bird]!=0) goto l9014;
505 		if (toting(rod))
506 		{       rspeak(26);
507 			return(2012);
508 		}
509 		if (!toting(cage))      /* 9013 */
510 		{       rspeak(27);
511 			return(2012);
512 		}
513 		prop[bird]=1;           /* 9015 */
514 	}
515 l9014:  if ((obj==bird||obj==cage)&&prop[bird]!=0)
516 		carry(bird+cage-obj,loc);
517 	carry(obj,loc);
518 	k=liq();
519 	if (obj==bottle && k!=0) place[k] = -1;
520 	return(2009);
521 }
522 
523 
524 static int
525 dropper()                                       /* 9021                 */
526 {       k=liq();
527 	if (k==obj) obj=bottle;
528 	if (obj==bottle&&k!=0) place[k]=0;
529 	if (obj==cage&&prop[bird]!=0) drop(bird,loc);
530 	if (obj==bird) prop[bird]=0;
531 	drop(obj,loc);
532 	return(2012);
533 }
534 
535 int
536 trdrop()                                        /* 9020                 */
537 {
538 	if (toting(rod2)&&obj==rod&&!toting(rod)) obj=rod2;
539 	if (!toting(obj)) return(2011);
540 	if (obj==bird&&here(snake))
541 	{       rspeak(30);
542 		if (closed) return(19000);
543 		dstroy(snake);
544 		prop[snake]=1;
545 		return(dropper());
546 	}
547 	if (obj==coins&&here(vend))             /* 9024                 */
548 	{       dstroy(coins);
549 		drop(batter,loc);
550 		pspeak(batter,0);
551 		return(2012);
552 	}
553 	if (obj==bird&&at(dragon)&&prop[dragon]==0)     /* 9025         */
554 	{       rspeak(154);
555 		dstroy(bird);
556 		prop[bird]=0;
557 		if (place[snake]==plac[snake]) tally2--;
558 		return(2012);
559 	}
560 	if (obj==bear&&at(troll))               /* 9026                 */
561 	{       rspeak(163);
562 		move(troll,0);
563 		move(troll+100,0);
564 		move(troll2,plac[troll]);
565 		move(troll2+100,fixd[troll]);
566 		juggle(chasm);
567 		prop[troll]=2;
568 		return(dropper());
569 	}
570 	if (obj!=vase||loc==plac[pillow])       /* 9027                 */
571 	{       rspeak(54);
572 		return(dropper());
573 	}
574 	prop[vase]=2;                           /* 9028                 */
575 	if (at(pillow)) prop[vase]=0;
576 	pspeak(vase,prop[vase]+1);
577 	if (prop[vase]!=0) fixed[vase] = -1;
578 	return(dropper());
579 }
580 
581 
582 int
583 tropen()                                        /* 9040                 */
584 {       if (obj==clam||obj==oyster)
585 	{       k=0;                            /* 9046                 */
586 		if (obj==oyster) k=1;
587 		spk=124+k;
588 		if (toting(obj)) spk=120+k;
589 		if (!toting(tridnt)) spk=122+k;
590 		if (verb==lock) spk=61;
591 		if (spk!=124) return(2011);
592 		dstroy(clam);
593 		drop(oyster,loc);
594 		drop(pearl,105);
595 		return(2011);
596 	}
597 	if (obj==door) spk=111;
598 	if (obj==door&&prop[door]==1) spk=54;
599 	if (obj==cage) spk=32;
600 	if (obj==keys) spk=55;
601 	if (obj==grate||obj==chain) spk=31;
602 	if (spk!=31||!here(keys)) return(2011);
603 	if (obj==chain)
604 	{       if (verb==lock)
605 		{       spk=172;                /* 9049: lock           */
606 			if (prop[chain]!=0) spk=34;
607 			if (loc!=plac[chain]) spk=173;
608 			if (spk!=172) return(2011);
609 			prop[chain]=2;
610 			if (toting(chain)) drop(chain,loc);
611 			fixed[chain]= -1;
612 			return(2011);
613 		}
614 		spk=171;
615 		if (prop[bear]==0) spk=41;
616 		if (prop[chain]==0) spk=37;
617 		if (spk!=171) return(2011);
618 		prop[chain]=0;
619 		fixed[chain]=0;
620 		if (prop[bear]!=3) prop[bear]=2;
621 		fixed[bear]=2-prop[bear];
622 		return(2011);
623 	}
624 	if (closng)
625 	{       k=130;
626 		if (!panic) clock2=15;
627 		panic=TRUE;
628 		return(2010);
629 	}
630 	k=34+prop[grate];                       /* 9043                 */
631 	prop[grate]=1;
632 	if (verb==lock) prop[grate]=0;
633 	k=k+2*prop[grate];
634 	return(2010);
635 }
636 
637 
638 int
639 trkill()                                /* 9120                         */
640 {       int i;
641 	for (i=1; i<=5; i++)
642 		if (dloc[i]==loc&&dflag>=2) break;
643 	if (i==6) i=0;
644 	if (obj==0)                     /* 9122                         */
645 	{       if (i!=0) obj=dwarf;
646 		if (here(snake)) obj=obj*100+snake;
647 		if (at(dragon)&&prop[dragon]==0) obj=obj*100+dragon;
648 		if (at(troll)) obj=obj*100+troll;
649 		if (here(bear)&&prop[bear]==0) obj=obj*100+bear;
650 		if (obj>100) return(8000);
651 		if (obj==0)
652 		{       if (here(bird)&&verb!=throw) obj=bird;
653 			if (here(clam)||here(oyster)) obj=100*obj+clam;
654 			if (obj>100) return(8000);
655 		}
656 	}
657 	if (obj==bird)                  /* 9124                         */
658 	{       spk=137;
659 		if (closed) return(2011);
660 		dstroy(bird);
661 		prop[bird]=0;
662 		if (place[snake]==plac[snake]) tally2++;
663 		spk=45;
664 	}
665 	if (obj==0) spk=44;             /* 9125                         */
666 	if (obj==clam||obj==oyster) spk=150;
667 	if (obj==snake) spk=46;
668 	if (obj==dwarf) spk=49;
669 	if (obj==dwarf&&closed) return(19000);
670 	if (obj==dragon) spk=147;
671 	if (obj==troll) spk=157;
672 	if (obj==bear) spk=165+(prop[bear]+1)/2;
673 	if (obj!=dragon||prop[dragon]!=0) return(2011);
674 	rspeak(49);
675 	verb=0;
676 	obj=0;
677 	getin(&wd1,&wd2);
678 	if (strncmp(wd1,"y",1)&&strncmp(wd1,"yes",3)) return(2608);
679 	pspeak(dragon,1);
680 	prop[dragon]=2;
681 	prop[rug]=0;
682 	k=(plac[dragon]+fixd[dragon])/2;
683 	move(dragon+100,-1);
684 	move(rug+100,0);
685 	move(dragon,k);
686 	move(rug,k);
687 	for (obj=1; obj<=100; obj++)
688 		if (place[obj]==plac[dragon]||place[obj]==fixd[dragon])
689 			move(obj,k);
690 	loc=k;
691 	k=null;
692 	return(8);
693 }
694 
695 
696 int
697 trtoss()                                /* 9170: throw                  */
698 {       int i;
699 	if (toting(rod2)&&obj==rod&&!toting(rod)) obj=rod2;
700 	if (!toting(obj)) return(2011);
701 	if (obj>=50&&obj<=maxtrs&&at(troll))
702 	{       spk=159;                        /* 9178                 */
703 		drop(obj,0);
704 		move(troll,0);
705 		move(troll+100,0);
706 		drop(troll2,plac[troll]);
707 		drop(troll2+100,fixd[troll]);
708 		juggle(chasm);
709 		return(2011);
710 	}
711 	if (obj==food&&here(bear))
712 	{       obj=bear;                       /* 9177                 */
713 		return(9210);
714 	}
715 	if (obj!=axe) return(9020);
716 	for (i=1; i<=5; i++)
717 	{       if (dloc[i]==loc)
718 		{       spk=48;                 /* 9172                 */
719 			if (ran(3)==0||saved!= -1)
720 		l9175:  {       rspeak(spk);
721 				drop(axe,loc);
722 				k=null;
723 				return(8);
724 			}
725 			dseen[i]=FALSE;
726 			dloc[i]=0;
727 			spk=47;
728 			dkill++;
729 			if (dkill==1) spk=149;
730 			goto l9175;
731 		}
732 	}
733 	spk=152;
734 	if (at(dragon)&&prop[dragon]==0)
735 		goto l9175;
736 	spk=158;
737 	if (at(troll)) goto l9175;
738 	if (here(bear)&&prop[bear]==0)
739 	{       spk=164;
740 		drop(axe,loc);
741 		fixed[axe]= -1;
742 		prop[axe]=1;
743 		juggle(bear);
744 		return(2011);
745 	}
746 	obj=0;
747 	return(9120);
748 }
749 
750 
751 int
752 trfeed()                                        /* 9210                 */
753 {       if (obj==bird)
754 	{       spk=100;
755 		return(2011);
756 	}
757 	if (obj==snake||obj==dragon||obj==troll)
758 	{       spk=102;
759 		if (obj==dragon&&prop[dragon]!=0) spk=110;
760 		if (obj==troll) spk=182;
761 		if (obj!=snake||closed||!here(bird)) return(2011);
762 		spk=101;
763 		dstroy(bird);
764 		prop[bird]=0;
765 		tally2++;
766 		return(2011);
767 	}
768 	if (obj==dwarf)
769 	{       if (!here(food)) return(2011);
770 		spk=103;
771 		dflag++;
772 		return(2011);
773 	}
774 	if (obj==bear)
775 	{       if (prop[bear]==0) spk=102;
776 		if (prop[bear]==3) spk=110;
777 		if (!here(food)) return(2011);
778 		dstroy(food);
779 		prop[bear]=1;
780 		fixed[axe]=0;
781 		prop[axe]=0;
782 		spk=168;
783 		return(2011);
784 	}
785 	spk=14;
786 	return(2011);
787 }
788 
789 
790 int
791 trfill()                                        /* 9220 */
792 {       if (obj==vase)
793 	{       spk=29;
794 		if (liqloc(loc)==0) spk=144;
795 		if (liqloc(loc)==0||!toting(vase)) return(2011);
796 		rspeak(145);
797 		prop[vase]=2;
798 		fixed[vase]= -1;
799 		return(9020);           /* advent/10 goes to 9024 */
800 	}
801 	if (obj!=0&&obj!=bottle) return(2011);
802 	if (obj==0&&!here(bottle)) return(8000);
803 	spk=107;
804 	if (liqloc(loc)==0) spk=106;
805 	if (liq()!=0) spk=105;
806 	if (spk!=107) return(2011);
807 	prop[bottle]=((cond[loc]%4)/2)*2;
808 	k=liq();
809 	if (toting(bottle)) place[k]= -1;
810 	if (k==oil) spk=108;
811 	return(2011);
812 }
813 
814 
815 void
816 closing()                               /* 10000 */
817 {       int i;
818 
819 	prop[grate]=prop[fissur]=0;
820 	for (i=1; i<=6; i++)
821 	{       dseen[i]=FALSE;
822 		dloc[i]=0;
823 	}
824 	move(troll,0);
825 	move(troll+100,0);
826 	move(troll2,plac[troll]);
827 	move(troll2+100,fixd[troll]);
828 	juggle(chasm);
829 	if(prop[bear]!=3) dstroy(bear);
830 	prop[chain]=0;
831 	fixed[chain]=0;
832 	prop[axe]=0;
833 	fixed[axe]=0;
834 	rspeak(129);
835 	clock1 = -1;
836 	closng=TRUE;
837 }
838 
839 
840 void
841 caveclose()                             /* 11000 */
842 {       int i;
843 	prop[bottle]=put(bottle,115,1);
844 	prop[plant]=put(plant,115,0);
845 	prop[oyster]=put(oyster,115,0);
846 	prop[lamp]=put(lamp,115,0);
847 	prop[rod]=put(rod,115,0);
848 	prop[dwarf]=put(dwarf,115,0);
849 	loc=115;
850 	oldloc=115;
851 	newloc=115;
852 
853 	put(grate,116,0);
854 	prop[snake]=put(snake,116,1);
855 	prop[bird]=put(bird,116,1);
856 	prop[cage]=put(cage,116,0);
857 	prop[rod2]=put(rod2,116,0);
858 	prop[pillow]=put(pillow,116,0);
859 
860 	prop[mirror]=put(mirror,115,0);
861 	fixed[mirror]=116;
862 
863 	for (i=1; i<=100; i++)
864 		if (toting(i)) dstroy(i);
865 	rspeak(132);
866 	closed=TRUE;
867 }
868