xref: /netbsd-src/games/adventure/subr.c (revision 6929ad87a5c37179228b21785018bbb66fe06b56)
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 static char sccsid[] = "@(#)subr.c	8.1 (Berkeley) 5/31/93";
41 #endif /* not lint */
42 
43 /*      Re-coding of advent in C: subroutines from main                 */
44 
45 # include "hdr.h"
46 
47 /*              Statement functions     */
48 toting(objj)
49 int objj;
50 {       if (place[objj] == -1) return(TRUE);
51 	else return(FALSE);
52 }
53 
54 here(objj)
55 int objj;
56 {       if (place[objj]==loc || toting(objj)) return(TRUE);
57 	else return(FALSE);
58 }
59 
60 at(objj)
61 int objj;
62 {       if (place[objj]==loc || fixed[objj]==loc) return(TRUE);
63 	else return (FALSE);
64 }
65 
66 liq2(pbotl)
67 int pbotl;
68 {       return((1-pbotl)*water+(pbotl/2)*(water+oil));
69 }
70 
71 liq(foo)
72 {       register int i;
73 	i=prop[bottle];
74 	if (i>-1-i) return(liq2(i));
75 	else return(liq2(-1-i));
76 }
77 
78 liqloc(locc)     /* may want to clean this one up a bit */
79 int locc;
80 {       register int i,j,l;
81 	i=cond[locc]/2;
82 	j=((i*2)%8)-5;
83 	l=cond[locc]/4;
84 	l=l%2;
85 	return(liq2(j*l+1));
86 }
87 
88 bitset(l,n)
89 int l,n;
90 {       if (cond[l] & setbit[n]) return(TRUE);
91 	return(FALSE);
92 }
93 
94 forced(locc)
95 int locc;
96 {       if (cond[locc]==2) return(TRUE);
97 	return(FALSE);
98 }
99 
100 dark(foo)
101 {       if ((cond[loc]%2)==0 && (prop[lamp]==0 || !here(lamp)))
102 		return(TRUE);
103 	return(FALSE);
104 }
105 
106 pct(n)
107 int n;
108 {       if (ran(100)<n) return(TRUE);
109 	return(FALSE);
110 }
111 
112 
113 fdwarf()		/* 71 */
114 {	register int i,j;
115 	register struct travlist *kk;
116 
117 	if (newloc!=loc&&!forced(loc)&&!bitset(loc,3))
118 	{	for (i=1; i<=5; i++)
119 		{	if (odloc[i]!=newloc||!dseen[i]) continue;
120 			newloc=loc;
121 			rspeak(2);
122 			break;
123 		}
124 	}
125 	loc=newloc;			/* 74 */
126 	if (loc==0||forced(loc)||bitset(newloc,3)) return(2000);
127 	if (dflag==0)
128 	{	if (loc>=15) dflag=1;
129 		return(2000);
130 	}
131 	if (dflag==1)		/* 6000 */
132 	{	if (loc<15||pct(95)) return(2000);
133 		dflag=2;
134 		for (i=1; i<=2; i++)
135 		{	j=1+ran(5);
136 			if (pct(50)&&saved== -1) dloc[j]=0; /* 6001 */
137 		}
138 		for (i=1; i<=5; i++)
139 		{	if (dloc[i]==loc) dloc[i]=daltlc;
140 			odloc[i]=dloc[i];		/* 6002 */
141 		}
142 		rspeak(3);
143 		drop(axe,loc);
144 		return(2000);
145 	}
146 	dtotal=attack=stick=0;			/* 6010 */
147 	for (i=1; i<=6; i++)                    /* loop to 6030 */
148 	{	if (dloc[i]==0) continue;
149 		j=1;
150 		for (kk=travel[dloc[i]]; kk!=0; kk=kk->next)
151 		{	newloc=kk->tloc;
152 			if (newloc>300||newloc<15||newloc==odloc[i]
153 			    ||(j>1&&newloc==tk[j-1])||j>=20
154 			    ||newloc==dloc[i]||forced(newloc)
155 			    ||(i==6&&bitset(newloc,3))
156 			    ||kk->conditions==100) continue;
157 			tk[j++]=newloc;
158 		}
159 		tk[j]=odloc[i];                 /* 6016 */
160 		if (j>=2) j--;
161 		j=1+ran(j);
162 		odloc[i]=dloc[i];
163 		dloc[i]=tk[j];
164 		dseen[i]=(dseen[i]&&loc>=15)||(dloc[i]==loc||odloc[i]==loc);
165 		if (!dseen[i]) continue;        /* i.e. goto 6030 */
166 		dloc[i]=loc;
167 		if (i==6)                       /* pirate's spotted him */
168 		{       if (loc==chloc||prop[chest]>=0) continue;
169 			k=0;
170 			for (j=50; j<=maxtrs; j++)      /* loop to 6020 */
171 			{       if (j==pyram&&(loc==plac[pyram]
172 				     || loc==plac[emrald])) goto l6020;
173 				if (toting(j)) goto l6022;
174 			l6020:  if (here(j)) k=1;
175 			}                               /* 6020 */
176 			if (tally==tally2+1 && k==0 && place[chest]==0
177 			    &&here(lamp) && prop[lamp]==1) goto l6025;
178 			if (odloc[6]!=dloc[6]&&pct(20))
179 				rspeak(127);
180 			continue;       /* to 6030 */
181 		l6022:  rspeak(128);
182 			if (place[messag]==0) move(chest,chloc);
183 			move(messag,chloc2);
184 			for (j=50; j<=maxtrs; j++)      /* loop to 6023 */
185 			{       if (j==pyram && (loc==plac[pyram]
186 				    || loc==plac[emrald])) continue;
187 				if (at(j)&&fixed[j]==0) carry(j,loc);
188 				if (toting(j)) drop(j,chloc);
189 			}
190 		l6024:  dloc[6]=odloc[6]=chloc;
191 			dseen[6]=FALSE;
192 			continue;
193 		l6025:  rspeak(186);
194 			move(chest,chloc);
195 			move(messag,chloc2);
196 			goto l6024;
197 		}
198 		dtotal++;                       /* 6027 */
199 		if (odloc[i]!=dloc[i]) continue;
200 		attack++;
201 		if (knfloc>=0) knfloc=loc;
202 		if (ran(1000)<95*(dflag-2)) stick++;
203 	}                                       /* 6030 */
204 	if (dtotal==0) return(2000);
205 	if (dtotal!=1)
206 	{       printf("There are %d threatening little dwarves ",dtotal);
207 		printf("in the room with you.\n");
208 	}
209 	else rspeak(4);
210 	if (attack==0) return(2000);
211 	if (dflag==2) dflag=3;
212 	if (saved!= -1) dflag=20;
213 	if (attack!=1)
214 	{       printf("%d of them throw knives at you!\n",attack);
215 		k=6;
216 	l82:    if (stick<=1)                   /* 82 */
217 		{       rspeak(k+stick);
218 			if (stick==0) return(2000);
219 		}
220 		else
221 			printf("%d of them get you!\n",stick);  /* 83 */
222 		oldlc2=loc;
223 		return(99);
224 	}
225 	rspeak(5);
226 	k=52;
227 	goto l82;
228 }
229 
230 
231 march()                                        /* label 8              */
232 {       register int ll1,ll2;
233 
234 	if ((tkk=travel[newloc=loc])==0) bug(26);
235 	if (k==null) return(2);
236 	if (k==cave)                            /* 40                   */
237 	{       if (loc<8) rspeak(57);
238 		if (loc>=8) rspeak(58);
239 		return(2);
240 	}
241 	if (k==look)                            /* 30                   */
242 	{       if (detail++<3) rspeak(15);
243 		wzdark=FALSE;
244 		abb[loc]=0;
245 		return(2);
246 	}
247 	if (k==back)                            /* 20                   */
248 	{       switch(mback())
249 		{       case 2: return(2);
250 			case 9: goto l9;
251 			default: bug(100);
252 		}
253 	}
254 	oldlc2=oldloc;
255 	oldloc=loc;
256 l9:
257 	for (; tkk!=0; tkk=tkk->next)
258 		if (tkk->tverb==1 || tkk->tverb==k) break;
259 	if (tkk==0)
260 	{       badmove();
261 		return(2);
262 	}
263 l11:    ll1=tkk->conditions;                    /* 11                   */
264 	ll2=tkk->tloc;
265 	newloc=ll1;                             /* newloc=conditions    */
266 	k=newloc%100;                           /* k used for prob      */
267 	if (newloc<=300)
268 	{       if (newloc<=100)                /* 13                   */
269 		{       if (newloc!=0&&!pct(newloc)) goto l12;  /* 14   */
270 		l16:    newloc=ll2;             /* newloc=location      */
271 			if (newloc<=300) return(2);
272 			if (newloc<=500)
273 				switch(specials())/* to 30000           */
274 				{   case 2: return(2);
275 				    case 12: goto l12;
276 				    case 99: return(99);
277 				    default: bug(101);
278 				}
279 			rspeak(newloc-500);
280 			newloc=loc;
281 			return(2);
282 		}
283 		if (toting(k)||(newloc>200&&at(k))) goto l16;
284 		goto l12;
285 	}
286 	if (prop[k]!=(newloc/100)-3) goto l16;  /* newloc still conditions*/
287 l12:    /* alternative to probability move      */
288 	for (; tkk!=0; tkk=tkk->next)
289 		if (tkk->tloc!=ll2 || tkk->conditions!=ll1) break;
290 	if (tkk==0) bug(25);
291 	goto l11;
292 }
293 
294 
295 
296 mback()                                         /* 20                   */
297 {       register struct travlist *tk2,*j;
298 	register int ll;
299 	if (forced(k=oldloc)) k=oldlc2;         /* k=location           */
300 	oldlc2=oldloc;
301 	oldloc=loc;
302 	tk2=0;
303 	if (k==loc)
304 	{       rspeak(91);
305 		return(2);
306 	}
307 	for (; tkk!=0; tkk=tkk->next)           /* 21                   */
308 	{       ll=tkk->tloc;
309 		if (ll==k)
310 		{       k=tkk->tverb;           /* k back to verb       */
311 			tkk=travel[loc];
312 			return(9);
313 		}
314 		if (ll<=300)
315 		{       j=travel[loc];
316 			if (forced(ll) && k==j->tloc) tk2=tkk;
317 		}
318 	}
319 	tkk=tk2;                                /* 23                   */
320 	if (tkk!=0)
321 	{       k=tkk->tverb;
322 		tkk=travel[loc];
323 		return(9);
324 	}
325 	rspeak(140);
326 	return(2);
327 }
328 
329 
330 specials()                                      /* 30000                */
331 {       switch(newloc -= 300)
332 	{   case 1:                             /* 30100                */
333 		newloc = 99+100-loc;
334 		if (holdng==0||(holdng==1&&toting(emrald))) return(2);
335 		newloc=loc;
336 		rspeak(117);
337 		return(2);
338 	    case 2:                             /* 30200                */
339 		drop(emrald,loc);
340 		return(12);
341 	    case 3:                             /* to 30300             */
342 		return(trbridge());
343 	    default: bug(29);
344 	}
345 }
346 
347 
348 trbridge()                                      /* 30300                */
349 {       if (prop[troll]==1)
350 	{       pspeak(troll,1);
351 		prop[troll]=0;
352 		move(troll2,0);
353 		move(troll2+100,0);
354 		move(troll,plac[troll]);
355 		move(troll+100,fixd[troll]);
356 		juggle(chasm);
357 		newloc=loc;
358 		return(2);
359 	}
360 	newloc=plac[troll]+fixd[troll]-loc;     /* 30310                */
361 	if (prop[troll]==0) prop[troll]=1;
362 	if (!toting(bear)) return(2);
363 	rspeak(162);
364 	prop[chasm]=1;
365 	prop[troll]=2;
366 	drop(bear,newloc);
367 	fixed[bear] = -1;
368 	prop[bear]=3;
369 	if (prop[spices]<0) tally2++;
370 	oldlc2=newloc;
371 	return(99);
372 }
373 
374 
375 badmove()                                       /* 20                   */
376 {       spk=12;
377 	if (k>=43 && k<=50) spk=9;
378 	if (k==29||k==30) spk=9;
379 	if (k==7||k==36||k==37) spk=10;
380 	if (k==11||k==19) spk=11;
381 	if (verb==find||verb==invent) spk=59;
382 	if (k==62||k==65) spk=42;
383 	if (k==17) spk=80;
384 	rspeak(spk);
385 	return(2);
386 }
387 
388 bug(n)
389 int n;
390 {       printf("Please tell jim@rand.org that fatal bug %d happened.\n",n);
391 	exit(0);
392 }
393 
394 
395 checkhints()                                    /* 2600 &c              */
396 {       register int hint;
397 	for (hint=4; hint<=hntmax; hint++)
398 	{       if (hinted[hint]) continue;
399 		if (!bitset(loc,hint)) hintlc[hint]= -1;
400 		hintlc[hint]++;
401 		if (hintlc[hint]<hints[hint][1]) continue;
402 		switch(hint)
403 		{   case 4:     /* 40400 */
404 			if (prop[grate]==0&&!here(keys)) goto l40010;
405 			goto l40020;
406 		    case 5:     /* 40500 */
407 			if (here(bird)&&toting(rod)&&obj==bird) goto l40010;
408 			continue;      /* i.e. goto l40030 */
409 		    case 6:     /* 40600 */
410 			if (here(snake)&&!here(bird)) goto l40010;
411 			goto l40020;
412 		    case 7:     /* 40700 */
413 			if (atloc[loc]==0&&atloc[oldloc]==0
414 			    && atloc[oldlc2]==0&&holdng>1) goto l40010;
415 			goto l40020;
416 		    case 8:     /* 40800 */
417 			if (prop[emrald]!= -1&&prop[pyram]== -1) goto l40010;
418 			goto l40020;
419 		    case 9:
420 			goto l40010;    /* 40900 */
421 		    default: bug(27);
422 		}
423 	l40010: hintlc[hint]=0;
424 		if (!yes(hints[hint][3],0,54)) continue;
425 		printf("I am prepared to give you a hint, but it will ");
426 		printf("cost you %d points.\n",hints[hint][2]);
427 		hinted[hint]=yes(175,hints[hint][4],54);
428 	l40020: hintlc[hint]=0;
429 	}
430 }
431 
432 
433 trsay()                                         /* 9030                 */
434 {       register int i;
435 	if (*wd2!=0) copystr(wd2,wd1);
436 	i=vocab(wd1,-1);
437 	if (i==62||i==65||i==71||i==2025)
438 	{       *wd2=0;
439 		obj=0;
440 		return(2630);
441 	}
442 	printf("\nOkay, \"%s\".\n",wd2);
443 	return(2012);
444 }
445 
446 
447 trtake()                                        /* 9010                 */
448 {       register int i;
449 	if (toting(obj)) return(2011);  /* 9010 */
450 	spk=25;
451 	if (obj==plant&&prop[plant]<=0) spk=115;
452 	if (obj==bear&&prop[bear]==1) spk=169;
453 	if (obj==chain&&prop[bear]!=0) spk=170;
454 	if (fixed[obj]!=0) return(2011);
455 	if (obj==water||obj==oil)
456 	{       if (here(bottle)&&liq(0)==obj)
457 		{       obj=bottle;
458 			goto l9017;
459 		}
460 		obj=bottle;
461 		if (toting(bottle)&&prop[bottle]==1)
462 			return(9220);
463 		if (prop[bottle]!=1) spk=105;
464 		if (!toting(bottle)) spk=104;
465 		return(2011);
466 	}
467 l9017:  if (holdng>=7)
468 	{       rspeak(92);
469 		return(2012);
470 	}
471 	if (obj==bird)
472 	{       if (prop[bird]!=0) goto l9014;
473 		if (toting(rod))
474 		{       rspeak(26);
475 			return(2012);
476 		}
477 		if (!toting(cage))      /* 9013 */
478 		{       rspeak(27);
479 			return(2012);
480 		}
481 		prop[bird]=1;           /* 9015 */
482 	}
483 l9014:  if ((obj==bird||obj==cage)&&prop[bird]!=0)
484 		carry(bird+cage-obj,loc);
485 	carry(obj,loc);
486 	k=liq(0);
487 	if (obj==bottle && k!=0) place[k] = -1;
488 	return(2009);
489 }
490 
491 
492 dropper()                                       /* 9021                 */
493 {       k=liq(0);
494 	if (k==obj) obj=bottle;
495 	if (obj==bottle&&k!=0) place[k]=0;
496 	if (obj==cage&&prop[bird]!=0) drop(bird,loc);
497 	if (obj==bird) prop[bird]=0;
498 	drop(obj,loc);
499 	return(2012);
500 }
501 
502 trdrop()                                        /* 9020                 */
503 {
504 	if (toting(rod2)&&obj==rod&&!toting(rod)) obj=rod2;
505 	if (!toting(obj)) return(2011);
506 	if (obj==bird&&here(snake))
507 	{       rspeak(30);
508 		if (closed) return(19000);
509 		dstroy(snake);
510 		prop[snake]=1;
511 		return(dropper());
512 	}
513 	if (obj==coins&&here(vend))             /* 9024                 */
514 	{       dstroy(coins);
515 		drop(batter,loc);
516 		pspeak(batter,0);
517 		return(2012);
518 	}
519 	if (obj==bird&&at(dragon)&&prop[dragon]==0)     /* 9025         */
520 	{       rspeak(154);
521 		dstroy(bird);
522 		prop[bird]=0;
523 		if (place[snake]==plac[snake]) tally2--;
524 		return(2012);
525 	}
526 	if (obj==bear&&at(troll))               /* 9026                 */
527 	{       rspeak(163);
528 		move(troll,0);
529 		move(troll+100,0);
530 		move(troll2,plac[troll]);
531 		move(troll2+100,fixd[troll]);
532 		juggle(chasm);
533 		prop[troll]=2;
534 		return(dropper());
535 	}
536 	if (obj!=vase||loc==plac[pillow])       /* 9027                 */
537 	{       rspeak(54);
538 		return(dropper());
539 	}
540 	prop[vase]=2;                           /* 9028                 */
541 	if (at(pillow)) prop[vase]=0;
542 	pspeak(vase,prop[vase]+1);
543 	if (prop[vase]!=0) fixed[vase] = -1;
544 	return(dropper());
545 }
546 
547 
548 tropen()                                        /* 9040                 */
549 {       if (obj==clam||obj==oyster)
550 	{       k=0;                            /* 9046                 */
551 		if (obj==oyster) k=1;
552 		spk=124+k;
553 		if (toting(obj)) spk=120+k;
554 		if (!toting(tridnt)) spk=122+k;
555 		if (verb==lock) spk=61;
556 		if (spk!=124) return(2011);
557 		dstroy(clam);
558 		drop(oyster,loc);
559 		drop(pearl,105);
560 		return(2011);
561 	}
562 	if (obj==door) spk=111;
563 	if (obj==door&&prop[door]==1) spk=54;
564 	if (obj==cage) spk=32;
565 	if (obj==keys) spk=55;
566 	if (obj==grate||obj==chain) spk=31;
567 	if (spk!=31||!here(keys)) return(2011);
568 	if (obj==chain)
569 	{       if (verb==lock)
570 		{       spk=172;                /* 9049: lock           */
571 			if (prop[chain]!=0) spk=34;
572 			if (loc!=plac[chain]) spk=173;
573 			if (spk!=172) return(2011);
574 			prop[chain]=2;
575 			if (toting(chain)) drop(chain,loc);
576 			fixed[chain]= -1;
577 			return(2011);
578 		}
579 		spk=171;
580 		if (prop[bear]==0) spk=41;
581 		if (prop[chain]==0) spk=37;
582 		if (spk!=171) return(2011);
583 		prop[chain]=0;
584 		fixed[chain]=0;
585 		if (prop[bear]!=3) prop[bear]=2;
586 		fixed[bear]=2-prop[bear];
587 		return(2011);
588 	}
589 	if (closng)
590 	{       k=130;
591 		if (!panic) clock2=15;
592 		panic=TRUE;
593 		return(2010);
594 	}
595 	k=34+prop[grate];                       /* 9043                 */
596 	prop[grate]=1;
597 	if (verb==lock) prop[grate]=0;
598 	k=k+2*prop[grate];
599 	return(2010);
600 }
601 
602 
603 trkill()                                /* 9120                         */
604 {       register int i;
605 	for (i=1; i<=5; i++)
606 		if (dloc[i]==loc&&dflag>=2) break;
607 	if (i==6) i=0;
608 	if (obj==0)                     /* 9122                         */
609 	{       if (i!=0) obj=dwarf;
610 		if (here(snake)) obj=obj*100+snake;
611 		if (at(dragon)&&prop[dragon]==0) obj=obj*100+dragon;
612 		if (at(troll)) obj=obj*100+troll;
613 		if (here(bear)&&prop[bear]==0) obj=obj*100+bear;
614 		if (obj>100) return(8000);
615 		if (obj==0)
616 		{       if (here(bird)&&verb!=throw) obj=bird;
617 			if (here(clam)||here(oyster)) obj=100*obj+clam;
618 			if (obj>100) return(8000);
619 		}
620 	}
621 	if (obj==bird)                  /* 9124                         */
622 	{       spk=137;
623 		if (closed) return(2011);
624 		dstroy(bird);
625 		prop[bird]=0;
626 		if (place[snake]==plac[snake]) tally2++;
627 		spk=45;
628 	}
629 	if (obj==0) spk=44;             /* 9125                         */
630 	if (obj==clam||obj==oyster) spk=150;
631 	if (obj==snake) spk=46;
632 	if (obj==dwarf) spk=49;
633 	if (obj==dwarf&&closed) return(19000);
634 	if (obj==dragon) spk=147;
635 	if (obj==troll) spk=157;
636 	if (obj==bear) spk=165+(prop[bear]+1)/2;
637 	if (obj!=dragon||prop[dragon]!=0) return(2011);
638 	rspeak(49);
639 	verb=0;
640 	obj=0;
641 	getin(&wd1,&wd2);
642 	if (!weq(wd1,"y")&&!weq(wd1,"yes")) return(2608);
643 	pspeak(dragon,1);
644 	prop[dragon]=2;
645 	prop[rug]=0;
646 	k=(plac[dragon]+fixd[dragon])/2;
647 	move(dragon+100,-1);
648 	move(rug+100,0);
649 	move(dragon,k);
650 	move(rug,k);
651 	for (obj=1; obj<=100; obj++)
652 		if (place[obj]==plac[dragon]||place[obj]==fixd[dragon])
653 			move(obj,k);
654 	loc=k;
655 	k=null;
656 	return(8);
657 }
658 
659 
660 trtoss()                                /* 9170: throw                  */
661 {       register int i;
662 	if (toting(rod2)&&obj==rod&&!toting(rod)) obj=rod2;
663 	if (!toting(obj)) return(2011);
664 	if (obj>=50&&obj<=maxtrs&&at(troll))
665 	{       spk=159;                        /* 9178                 */
666 		drop(obj,0);
667 		move(troll,0);
668 		move(troll+100,0);
669 		drop(troll2,plac[troll]);
670 		drop(troll2+100,fixd[troll]);
671 		juggle(chasm);
672 		return(2011);
673 	}
674 	if (obj==food&&here(bear))
675 	{       obj=bear;                       /* 9177                 */
676 		return(9210);
677 	}
678 	if (obj!=axe) return(9020);
679 	for (i=1; i<=5; i++)
680 	{       if (dloc[i]==loc)
681 		{       spk=48;                 /* 9172                 */
682 			if (ran(3)==0||saved!= -1)
683 		l9175:  {       rspeak(spk);
684 				drop(axe,loc);
685 				k=null;
686 				return(8);
687 			}
688 			dseen[i]=FALSE;
689 			dloc[i]=0;
690 			spk=47;
691 			dkill++;
692 			if (dkill==1) spk=149;
693 			goto l9175;
694 		}
695 	}
696 	spk=152;
697 	if (at(dragon)&&prop[dragon]==0)
698 		goto l9175;
699 	spk=158;
700 	if (at(troll)) goto l9175;
701 	if (here(bear)&&prop[bear]==0)
702 	{       spk=164;
703 		drop(axe,loc);
704 		fixed[axe]= -1;
705 		prop[axe]=1;
706 		juggle(bear);
707 		return(2011);
708 	}
709 	obj=0;
710 	return(9120);
711 }
712 
713 
714 trfeed()                                        /* 9210                 */
715 {       if (obj==bird)
716 	{       spk=100;
717 		return(2011);
718 	}
719 	if (obj==snake||obj==dragon||obj==troll)
720 	{       spk=102;
721 		if (obj==dragon&&prop[dragon]!=0) spk=110;
722 		if (obj==troll) spk=182;
723 		if (obj!=snake||closed||!here(bird)) return(2011);
724 		spk=101;
725 		dstroy(bird);
726 		prop[bird]=0;
727 		tally2++;
728 		return(2011);
729 	}
730 	if (obj==dwarf)
731 	{       if (!here(food)) return(2011);
732 		spk=103;
733 		dflag++;
734 		return(2011);
735 	}
736 	if (obj==bear)
737 	{       if (prop[bear]==0) spk=102;
738 		if (prop[bear]==3) spk=110;
739 		if (!here(food)) return(2011);
740 		dstroy(food);
741 		prop[bear]=1;
742 		fixed[axe]=0;
743 		prop[axe]=0;
744 		spk=168;
745 		return(2011);
746 	}
747 	spk=14;
748 	return(2011);
749 }
750 
751 
752 trfill()                                        /* 9220 */
753 {       if (obj==vase)
754 	{       spk=29;
755 		if (liqloc(loc)==0) spk=144;
756 		if (liqloc(loc)==0||!toting(vase)) return(2011);
757 		rspeak(145);
758 		prop[vase]=2;
759 		fixed[vase]= -1;
760 		return(9020);           /* advent/10 goes to 9024 */
761 	}
762 	if (obj!=0&&obj!=bottle) return(2011);
763 	if (obj==0&&!here(bottle)) return(8000);
764 	spk=107;
765 	if (liqloc(loc)==0) spk=106;
766 	if (liq(0)!=0) spk=105;
767 	if (spk!=107) return(2011);
768 	prop[bottle]=((cond[loc]%4)/2)*2;
769 	k=liq(0);
770 	if (toting(bottle)) place[k]= -1;
771 	if (k==oil) spk=108;
772 	return(2011);
773 }
774 
775 
776 closing()                               /* 10000 */
777 {       register int i;
778 
779 	prop[grate]=prop[fissur]=0;
780 	for (i=1; i<=6; i++)
781 	{       dseen[i]=FALSE;
782 		dloc[i]=0;
783 	}
784 	move(troll,0);
785 	move(troll+100,0);
786 	move(troll2,plac[troll]);
787 	move(troll2+100,fixd[troll]);
788 	juggle(chasm);
789 	if(prop[bear]!=3) dstroy(bear);
790 	prop[chain]=0;
791 	fixed[chain]=0;
792 	prop[axe]=0;
793 	fixed[axe]=0;
794 	rspeak(129);
795 	clock1 = -1;
796 	closng=TRUE;
797 	return(19999);
798 }
799 
800 
801 caveclose()                             /* 11000 */
802 {       register int i;
803 	prop[bottle]=put(bottle,115,1);
804 	prop[plant]=put(plant,115,0);
805 	prop[oyster]=put(oyster,115,0);
806 	prop[lamp]=put(lamp,115,0);
807 	prop[rod]=put(rod,115,0);
808 	prop[dwarf]=put(dwarf,115,0);
809 	loc=115;
810 	oldloc=115;
811 	newloc=115;
812 
813 	put(grate,116,0);
814 	prop[snake]=put(snake,116,1);
815 	prop[bird]=put(bird,116,1);
816 	prop[cage]=put(cage,116,0);
817 	prop[rod2]=put(rod2,116,0);
818 	prop[pillow]=put(pillow,116,0);
819 
820 	prop[mirror]=put(mirror,115,0);
821 	fixed[mirror]=116;
822 
823 	for (i=1; i<=100; i++)
824 		if (toting(i)) dstroy(i);
825 	rspeak(132);
826 	closed=TRUE;
827 	return(2);
828 }
829