Source:NetHack 2.2a/trap.c

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Below is the full text to trap.c from the source code of NetHack 2.2a. To link to a particular line, write [[NetHack 2.2a/trap.c#line123]], for example.

Warning! This is the source code from an old release. For the latest release, see Source code

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1.    /*	SCCS Id: @(#)trap.c	2.1	87/10/18
2.    /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
3.    
4.    #include	<stdio.h>
5.    #include	"hack.h"
6.    
7.    extern struct monst *makemon();
8.    #ifdef KAA
9.    extern char *Xmonnam();
10.   extern char *nomovemsg;
11.   #endif
12.   
13.   char vowels[] = "aeiou";
14.   
15.   char *traps[] = {
16.   	"",
17.   	" bear trap",
18.   	"n arrow trap",
19.   	" dart trap",
20.   	" trapdoor",
21.   	" teleportation trap",
22.   	" pit",
23.   	" sleeping gas trap",
24.   	" piercer",
25.   	" mimic"
26.   #ifdef NEWTRAPS
27.   	," magic trap"
28.   	," squeaky board"
29.   #endif
30.   #ifdef SPIDERS
31.   	," web"
32.   #endif
33.   #ifdef NEWCLASS
34.   	," spiked pit"
35.   	," level teleporter"
36.   #endif
37.   #ifdef SPELLS
38.   	," anti-magic field" 
39.   #endif
40.   #ifdef KAA
41.   	," rust trap"
42.   # ifdef RPH
43.   	,"polymorph trap"
44.   # endif
45.   #endif
46.   };
47.   
48.   struct trap *
49.   maketrap(x,y,typ)
50.   register x,y,typ;
51.   {
52.   	register struct trap *ttmp;
53.   
54.   	ttmp = newtrap();
55.   	ttmp->ttyp = typ;
56.   	ttmp->tseen = 0;
57.   	ttmp->once = 0;
58.   	ttmp->tx = x;
59.   	ttmp->ty = y;
60.   	ttmp->ntrap = ftrap;
61.   	ftrap = ttmp;
62.   	return(ttmp);
63.   }
64.   
65.   dotrap(trap) register struct trap *trap; {
66.   	register int ttype = trap->ttyp;
67.   	register struct monst *mtmp;
68.   
69.   	nomul(0);
70.   	if(trap->tseen && !rn2(5) && !(ttype == PIT
71.   #ifdef NEWCLASS
72.   	   || ttype == SPIKED_PIT
73.   #endif
74.   #ifdef SPELLS
75.   	   || ttype == ANTI_MAGIC
76.   #endif
77.   		))
78.   		pline("You escape a%s.", traps[ttype]);
79.   	else {
80.   		trap->tseen = 1;
81.   		switch(ttype) {
82.   		case SLP_GAS_TRAP:
83.   			pline("A cloud of gas puts you to sleep!");
84.   			nomul(-rnd(25));
85.   			break;
86.   		case BEAR_TRAP:
87.   			if(Levitation) {
88.   				pline("You float over a bear trap.");
89.   				break;
90.   			}
91.   			u.utrap = 4 + rn2(4);
92.   			u.utraptype = TT_BEARTRAP;
93.   			pline("A bear trap closes on your foot!");
94.   			if(u.usym=='o') pline("You howl in anger!");
95.   			break;
96.   		case PIERC:
97.   			deltrap(trap);
98.   			if(mtmp=makemon(PM_PIERCER,u.ux,u.uy)) {
99.   			  pline("%s suddenly drops from the ceiling!", Xmonnam(mtmp));
100.  			  if(uarmh)
101.  				pline("Its blow glances off your helmet.");
102.  			  else
103.  				(void) thitu(3,d(4,6),"falling piercer");
104.  			}
105.  			break;
106.  		case ARROW_TRAP:
107.  			pline("An arrow shoots out at you!");
108.  			if(!thitu(8,rnd(6),"arrow")){
109.  				mksobj_at(ARROW, u.ux, u.uy);
110.  				fobj->quan = 1;
111.  			}
112.  			break;
113.  		case TRAPDOOR:
114.  			if(!xdnstair) {
115.  pline("A trap door in the ceiling opens and a rock falls on your head!");
116.  if(uarmh) pline("Fortunately, you are wearing a helmet!");
117.  			    losehp(uarmh ? 2 : d(2,10),"falling rock");
118.  			    mksobj_at(ROCK, u.ux, u.uy);
119.  			    fobj->quan = 1;
120.  			    stackobj(fobj);
121.  			    if(Invisible) newsym(u.ux, u.uy);
122.  			} else {
123.  			    register int newlevel = dlevel + 1;
124.  				while(!rn2(4) && newlevel < 29)
125.  					newlevel++;
126.  				pline("A trap door opens up under you!");
127.  				if(Levitation || u.ustuck) {
128.  				pline("For some reason you don't fall in.");
129.  					break;
130.  				}
131.  				fflush(stdout);
132.  				goto_level(newlevel, FALSE);
133.  			}
134.  			break;
135.  		case DART_TRAP:
136.  			pline("A little dart shoots out at you!");
137.  			if(thitu(7,rnd(3),"little dart")) {
138.  			    if(!rn2(6))
139.  				poisoned("dart","poison dart");
140.  			} else {
141.  				mksobj_at(DART, u.ux, u.uy);
142.  				fobj->quan = 1;
143.  			}
144.  			break;
145.  		case TELEP_TRAP:
146.  			if(trap->once) {
147.  				deltrap(trap);
148.  				newsym(u.ux,u.uy);
149.  				vtele();
150.  			} else {
151.  				newsym(u.ux,u.uy);
152.  				tele();
153.  			}
154.  			break;
155.  #ifdef KAA
156.  		case RUST_TRAP:
157.  			switch (rn2(5)) {
158.  			case 0:
159.  				pline("A gush of water hits you on the head!");
160.  				if (uarmh) {
161.  				    if (uarmh->rustfree)
162.  					pline("Your helmet is not affected!");
163.  				    else if (uarmh->spe > -6) {
164.  					pline("Your helmet rusts!");
165.  					uarmh->spe--;
166.  				    } else
167.  					pline("Your helmet looks quite rusted now.");
168.  				}
169.  				break;
170.  			case 1:
171.  				pline("A gush of water hits your left arm!");
172.  				if (uarms) {
173.  					pline("Your shield is not affected!");
174.  					break;
175.  				}
176.  				if (uwep && uwep->otyp == TWO_HANDED_SWORD) goto two_hand;
177.  				/* Two goto statements in a row--aaarrrgggh! */
178.  		glovecheck: if(uarmg) pline("Your gloves are not affected!");
179.  				break;
180.  			case 2:
181.  				pline("A gush of water hits your right arm!");
182.  		two_hand: corrode_weapon();
183.  				goto glovecheck;
184.  			default:
185.  				pline("A gush of water hits you!");
186.  				if (uarm) {
187.  				    if (uarm->rustfree ||
188.  					uarm->otyp >= STUDDED_LEATHER_ARMOR) 
189.  					    pline("Your %s not affected!",
190.  						  aobjnam(uarm,"are"));
191.  				    else if(uarm->spe > -6) {
192.  					    pline("Your %s!",
193.  						  aobjnam(uarm,"corrode"));
194.  					    uarm->spe--;
195.  				    } else
196.  					    pline("Your %s quite rusted now.",
197.  						  aobjnam(uarm, "look"));
198.  				}
199.  			}
200.  			break;
201.  #endif
202.  		case PIT:
203.  			if (Levitation || index("EyBfk'&",u.usym)) {
204.  				pline("A pit opens up under you!");
205.  				pline("You don't fall in!");
206.  				break;
207.  			}
208.  			pline("You fall into a pit!");
209.  			u.utrap = rn1(6,2);
210.  			u.utraptype = TT_PIT;
211.  			losehp(rnd(6),"fall into a pit");
212.  			selftouch("Falling, you");
213.  			break;
214.  #ifdef NEWCLASS
215.  		case SPIKED_PIT:
216.  			if (Levitation || index("EyBfk'&",u.usym)) {
217.  				pline("A pit opens up under you!");
218.  				pline("You don't fall in!");
219.  				pline("There are spikes in that pit!!!");
220.  				break;
221.  			}
222.  			pline("You fall into a pit!");
223.  			pline("You land on a set of sharp iron spikes!");
224.  			u.utrap = rn1(6,2);
225.  			u.utraptype = TT_PIT;
226.  			losehp(rnd(10),"fall onto iron spikes");
227.  			if(!rn2(6)) poisoned("spikes","poison spikes");
228.  			selftouch("Falling, you");
229.  			break;
230.  		case LEVEL_TELEP:
231.  			if (!Blind)	pline("You are momentarily blinded by a flash of light");
232.  			else		pline("You are momentarily disoriented.");
233.  			deltrap(trap);
234.  			newsym(u.ux,u.uy);
235.  			level_tele();
236.  			break;
237.  #endif
238.  #ifdef SPELLS
239.  		case ANTI_MAGIC:
240.  			pline("You feel your magical energy drain away!");
241.  			u.uen -= (rnd(u.ulevel) + 1);
242.  			if(u.uen < 0)  {
243.  				u.uenmax += u.uen;
244.  				if(u.uenmax < 0) u.uenmax = 0;
245.  				u.uen = 0;
246.  			}
247.  			flags.botl = 1;
248.  			break;
249.  #endif
250.  #if defined(RPH) && defined(KAA)
251.  		case POLY_TRAP:
252.  			    pline("You feel a change coming over you.");
253.  			    polyself();
254.  			    deltrap(trap);
255.  			    break;
256.  #endif
257.  #ifdef NEWTRAPS
258.  		case MGTRP:
259.  			/* A magic trap. */
260.  			domagictrap();
261.  			break;
262.  		case SQBRD: {
263.  #include      "edog.h"
264.  			register struct monst *mtmp = fmon;
265.  			/* Stepped on a squeaky board. */
266.  			pline("A board underfoot gives off a loud squeak!");
267.  			/* Wake up nearby monsters. */
268.  		       while(mtmp) {
269.  			 if(dist(mtmp->mx,mtmp->my) < u.ulevel*20) {
270.  			       if(mtmp->msleep)
271.  				       mtmp->msleep = 0;
272.  			       if(mtmp->mtame)
273.  				       EDOG(mtmp)->whistletime = moves;
274.  			 }
275.  			 mtmp = mtmp->nmon;
276.  		       }
277.  		}
278.  			break;
279.  #endif
280.  #ifdef SPIDERS
281.  	       case WEB:
282.  
283.  		       /* Our luckless adventurer has stepped into a web. */
284.  
285.  		       pline("You've stumbled into a spider web!");
286.  		       u.utraptype = TT_WEB;
287.  
288.  		       /* Time stuck in the web depends on your strength. */
289.  
290.  		       if (u.ustr == 3) u.utrap = rn1(6,6);
291.  		       else if (u.ustr < 6) u.utrap = rn1(6,4);
292.  		       else if (u.ustr < 9) u.utrap = rn1(4,4);
293.  		       else if (u.ustr < 12) u.utrap = rn1(4,2);
294.  		       else if (u.ustr < 15) u.utrap = rn1(2,2);
295.  		       else if (u.ustr < 18) u.utrap = rnd(2);
296.  		       else if (u.ustr < 69) u.utrap = 1;
297.  		       else {
298.  			       u.utrap = 0;
299.  			       pline("You tear through the web!");
300.  			       deltrap(trap);
301.  			    }
302.  		       break;
303.  #endif
304.  		default:
305.  			impossible("You hit a trap of type %u", trap->ttyp);
306.  		}
307.  	}
308.  }
309.  
310.  mintrap(mtmp) register struct monst *mtmp; {
311.  	register struct trap *trap = t_at(mtmp->mx, mtmp->my);
312.  	register int wasintrap = mtmp->mtrapped;
313.  
314.  	if(!trap) {
315.  		mtmp->mtrapped = 0;	/* perhaps teleported? */
316.  	} else if(wasintrap) {
317.  		if(!rn2(40)) mtmp->mtrapped = 0;
318.  	} else {
319.  	    register int tt = trap->ttyp;
320.  #ifdef DGK
321.  	/* A bug fix for dumb messages by ab@unido.
322.  	 */
323.  	    int in_sight = cansee(mtmp->mx,mtmp->my)
324.  			   && (!mtmp->minvis || See_invisible);
325.  #else
326.  	    int in_sight = cansee(mtmp->mx,mtmp->my);
327.  #endif
328.  	    extern char mlarge[];
329.  
330.  	    if(mtmp->mtrapseen & (1 << tt)) {
331.  		/* he has been in such a trap - perhaps he escapes */
332.  		if(rn2(4)) return(0);
333.  	    }
334.  	    mtmp->mtrapseen |= (1 << tt);
335.  	    switch (tt) {
336.  		case BEAR_TRAP:
337.  			if(index(mlarge, mtmp->data->mlet)) {
338.  				if(in_sight)
339.  				  pline("%s is caught in a bear trap!",
340.  					Monnam(mtmp));
341.  				else
342.  				  if(mtmp->data->mlet == 'o')
343.  			    pline("You hear the roaring of an angry bear!");
344.  				mtmp->mtrapped = 1;
345.  			}
346.  			break;
347.  #ifdef KAA
348.  # ifdef RPH
349.    		case POLY_TRAP:
350.  		    if(!resist(mtmp, '/', 0, NOTELL))
351.  			newcham(mtmp,&mons[rn2(CMNUM)]);
352.  		    break;
353.  # endif
354.  		case RUST_TRAP:
355.  			if(in_sight)
356.  				pline("A gush of water hits %s!",monnam(mtmp));
357.  			break;
358.  #endif
359.  		case PIT:
360.  #ifdef NEWCLASS
361.  		case SPIKED_PIT:
362.  #endif
363.  			/* there should be a mtmp/data -> floating */
364.  			if(!index("EywBIfk'& ", mtmp->data->mlet)) { /* ab */
365.  				mtmp->mtrapped = 1;
366.  				if(in_sight)
367.  				  pline("%s falls into a pit!", Monnam(mtmp));
368.  			}
369.  			break;
370.  		case SLP_GAS_TRAP:
371.  			if(!mtmp->msleep && !mtmp->mfroz) {
372.  				mtmp->msleep = 1;
373.  				if(in_sight)
374.  				  pline("%s suddenly falls asleep!",
375.  					Monnam(mtmp));
376.  			}
377.  			break;
378.  		case TELEP_TRAP:
379.  #ifdef NEWCLASS
380.  		case LEVEL_TELEP:
381.  #endif
382.  			rloc(mtmp);
383.  			if(in_sight && !cansee(mtmp->mx,mtmp->my))
384.  				pline("%s suddenly disappears!",
385.  					Monnam(mtmp));
386.  			break;
387.  		case ARROW_TRAP:
388.  			if(in_sight)
389.  				pline("%s is hit by an arrow!",	Monnam(mtmp));
390.  			mtmp->mhp -= 3;
391.  			break;
392.  		case DART_TRAP:
393.  			if(in_sight)
394.  				pline("%s is hit by a dart!", Monnam(mtmp));
395.  			mtmp->mhp -= 2;
396.  			/* not mondied here !! */
397.  			break;
398.  		case TRAPDOOR:
399.  			if(!xdnstair) {
400.  				mtmp->mhp -= 10;
401.  				if(in_sight)
402.  pline("A trap door in the ceiling opens and a rock hits %s!", monnam(mtmp));
403.  				break;
404.  			}
405.  			if(!index("EywBIfk", mtmp->data->mlet)){
406.  				fall_down(mtmp);
407.  				if(in_sight)
408.  		pline("Suddenly, %s disappears out of sight.", monnam(mtmp));
409.  				return(2);	/* no longer on this level */
410.  			}
411.  			break;
412.  		case PIERC:
413.  			break;
414.  #ifdef NEWTRAPS
415.  		case MGTRP:
416.  			/* A magic trap.  Monsters immune. */
417.  			break;
418.  		case SQBRD: {
419.  			register struct monst *ztmp = fmon;
420.  			
421.  			if(index("EyBIfk", mtmp->data->mlet)) break;
422.  			/* Stepped on a squeaky board. */
423.  			if (in_sight)
424.  			   pline("%s steps on a squeaky board.", Monnam(mtmp));
425.  			else
426.  			   pline("You hear a distant squeak.");
427.  			/* Wake up nearby monsters. */
428.  		       while(ztmp) {
429.  			 if(dist2(mtmp->mx,mtmp->my,ztmp->mx,ztmp->my) < 40)
430.  			       if(ztmp->msleep) ztmp->msleep = 0;
431.  			 ztmp = ztmp->nmon;
432.  		       }
433.  			break;
434.  		}
435.  #endif
436.  #ifdef SPIDERS
437.  	       case WEB:
438.  		       /* Monster in a web. */
439.  			/* in_sight check and confused bear by Eric Backus */
440.  		       if(mtmp->data->mlet != 's') {
441.  			 if(in_sight)
442.  				pline("%s is caught in a web!", Monnam(mtmp));
443.  			  else
444.  			    if(mtmp->data->mlet == 'o')
445.  			      pline("You hear the roaring of a confused bear!");
446.  			 mtmp->mtrapped = 1;
447.  		       }
448.  		      break;
449.  #endif
450.  #ifdef SPELLS
451.  		case ANTI_MAGIC:	break;
452.  #endif
453.  		default:
454.  			impossible("Some monster encountered a strange trap of type %d.",tt);
455.  	    }
456.  	}
457.  	return(mtmp->mtrapped);
458.  }
459.  
460.  selftouch(arg) char *arg; {
461.  	if(uwep && uwep->otyp == DEAD_COCKATRICE){
462.  		pline("%s touch the dead cockatrice.", arg);
463.  		pline("You turn to stone.");
464.  		pline("You die...");
465.  		killer = objects[uwep->otyp].oc_name;
466.  		done("died");
467.  	}
468.  }
469.  
470.  float_up(){
471.  	if(u.utrap) {
472.  		if(u.utraptype == TT_PIT) {
473.  			u.utrap = 0;
474.  			pline("You float up, out of the pit!");
475.  		} else {
476.  			pline("You float up, only your leg is still stuck.");
477.  		}
478.  	} else
479.  		if (Hallucination)
480.  			pline("Oh wow!  You're floating in the air!");
481.  		else
482.  			pline("You start to float in the air!");
483.  }
484.  
485.  float_down(){
486.  	register struct trap *trap;
487.  	
488.  	/* check for falling into pool - added by GAN 10/20/86 */
489.  	if(IS_POOL(levl[u.ux][u.uy].typ) && !Levitation)
490.  		drown();
491.  
492.  	pline("You float gently to the ground.");
493.  	if(trap = t_at(u.ux,u.uy))
494.  		switch(trap->ttyp) {
495.  		case PIERC:
496.  			break;
497.  		case TRAPDOOR:
498.  			if(!xdnstair || u.ustuck) break;
499.  			/* fall into next case */
500.  		default:
501.  			dotrap(trap);
502.  	}
503.  	pickup(1);
504.  }
505.  
506.  #include "mkroom.h"
507.  
508.  vtele() {
509.  	register struct mkroom *croom;
510.  
511.  	for(croom = &rooms[0]; croom->hx >= 0; croom++)
512.  	    if(croom->rtype == VAULT) {
513.  		register x,y;
514.  
515.  		x = rn2(2) ? croom->lx : croom->hx;
516.  		y = rn2(2) ? croom->ly : croom->hy;
517.  		if(teleok(x,y)) {
518.  		    teleds(x,y);
519.  		    return;
520.  		}
521.  	    }
522.  	tele();
523.  }
524.  
525.  #ifdef BVH
526.  int has_amulet() {
527.      register struct  obj *otmp;
528.  
529.      for(otmp = invent; otmp; otmp = otmp->nobj)
530.  	if(otmp->olet == AMULET_SYM && otmp->spe >= 0)
531.  	    return(1);
532.      return(0);
533.  }
534.  #endif
535.  
536.  tele() {
537.  	coord cc;
538.  	register int nux,nuy;
539.  
540.  #ifdef BVH
541.  	if(has_amulet() && rn2(3)) {
542.  	    pline("You feel disoriented for a moment.");
543.  	    return;
544.  	}
545.  #endif
546.  	if(Teleport_control) {
547.  #ifdef KAA
548.  	    if (multi < 0 && (!nomovemsg ||
549.  			      !strncmp(nomovemsg,"You awake", 9) ||
550.  			      !strncmp(nomovemsg,"You regain con", 15) ||
551.  			      !strncmp(nomovemsg,"You are consci", 15)))
552.   
553.  		pline("Being unconscious, you cannot control your teleport.");
554.  	    else {
555.  #endif
556.  	
557.  		    pline("To what position do you want to be teleported?");
558.  		    getpos(&cc, 1, "the desired position"); /* 1: force valid */
559.  		    /* possible extensions: introduce a small error if
560.  		       magic power is low; allow transfer to solid rock */
561.  		    if(teleok(cc.x, cc.y)){
562.  			teleds(cc.x, cc.y);
563.  			return;
564.  		    }
565.  		    pline("Sorry ...");
566.  #ifdef KAA
567.  		}
568.  #endif
569.  	}
570.  	do {
571.  		nux = rnd(COLNO-1);
572.  		nuy = rn2(ROWNO);
573.  	} while(!teleok(nux, nuy));
574.  	teleds(nux, nuy);
575.  }
576.  
577.  teleds(nux, nuy)
578.  register int nux,nuy;
579.  {
580.  	if(Punished) unplacebc();
581.  	unsee();
582.  	u.utrap = 0;
583.  	u.ustuck = 0;
584.  	u.ux = nux;
585.  	u.uy = nuy;
586.  	setsee();
587.  	if(Punished) placebc(1);
588.  	if(u.uswallow){
589.  		u.uswldtim = u.uswallow = 0;
590.  		docrt();
591.  	}
592.  	nomul(0);
593.  	if(IS_POOL(levl[nux][nuy].typ) && !Levitation)
594.  		drown();
595.  	(void) inshop();
596.  	pickup(1);
597.  	read_engr_at(u.ux,u.uy);
598.  }
599.  
600.  teleok(x,y) register int x,y; {	/* might throw him into a POOL
601.  				 * removed by GAN 10/20/86
602.  				 */
603.  #ifdef STUPID
604.  	boolean	tmp1, tmp2, tmp3;
605.  	tmp1 = isok(x,y) && !IS_ROCK(levl[x][y].typ) && !m_at(x,y);
606.  	tmp2 = !sobj_at(ENORMOUS_ROCK,x,y) && !t_at(x,y);
607.  	tmp3 = !(IS_POOL(levl[x][y].typ) && !Levitation);
608.  	return(tmp1 && tmp2 && tmp3);
609.  #else
610.  	return( isok(x,y) && !IS_ROCK(levl[x][y].typ) && !m_at(x,y) &&
611.  		!sobj_at(ENORMOUS_ROCK,x,y) && !t_at(x,y) &&
612.  		!(IS_POOL(levl[x][y].typ) && !Levitation)
613.  	);
614.  #endif
615.  	/* Note: gold is permitted (because of vaults) */
616.  }
617.  
618.  dotele() {
619.  	extern char pl_character[];
620.  
621.  	if((!index("LNt",u.usym)) &&
622.  #ifdef WIZARD
623.  	   !wizard &&
624.  #endif
625.  		      (!Teleportation || u.ulevel < 6 ||
626.  			(pl_character[0] != 'W' && u.ulevel < 10))) {
627.  		pline("You are not able to teleport at will.");
628.  		return(0);
629.  	}
630.  	if(u.uhunger <= 100 || u.ustr < 6) {
631.  		pline("You miss the strength for a teleport spell.");
632.  #ifdef WIZARD
633.  		if(!wizard)
634.  #endif
635.  		return(1);
636.  	}
637.  	tele();
638.  	morehungry(100);
639.  	return(1);
640.  }
641.  
642.  placebc(attach) int attach; {
643.  	if(!uchain || !uball){
644.  		impossible("Where are your chain and ball??");
645.  		return;
646.  	}
647.  	uball->ox = uchain->ox = u.ux;
648.  	uball->oy = uchain->oy = u.uy;
649.  	if(attach){
650.  		uchain->nobj = fobj;
651.  		fobj = uchain;
652.  		if(!carried(uball)){
653.  			uball->nobj = fobj;
654.  			fobj = uball;
655.  		}
656.  	}
657.  }
658.  
659.  unplacebc(){
660.  	if(!carried(uball)){
661.  		freeobj(uball);
662.  		unpobj(uball);
663.  	}
664.  	freeobj(uchain);
665.  	unpobj(uchain);
666.  }
667.  
668.  level_tele() {
669.  register int newlevel;
670.  
671.  #ifdef BVH
672.  	if(has_amulet() && rn2(5)) {
673.  	    pline("You feel very disoriented for a moment.");
674.  	    return;
675.  	}
676.  #endif
677.  	if(Teleport_control) {
678.  	    char buf[BUFSZ];
679.  
680.  	    do {
681.  	      pline("To what level do you want to teleport? [type a number] ");
682.  	      getlin(buf);
683.  	    } while(!digit(buf[0]) && (buf[0] != '-' || !digit(buf[1])));
684.  	    newlevel = atoi(buf);
685.  	} else {
686.  #ifdef DGKMOD
687.  	    newlevel = rn2(5) | !Fire_resistance ? rnz(dlevel + 3) : 30;
688.  #else
689.  	    newlevel = rnz(dlevel + 3);			/* 5 - 24 */
690.  #endif
691.  	    if(dlevel == newlevel)
692.  		if(!xdnstair) newlevel--; else newlevel++;
693.  	}
694.  	if(newlevel >= 30) {
695.  	    if(newlevel > MAXLEVEL) newlevel = MAXLEVEL;
696.  	    pline("You arrive at the center of the earth ...");
697.  	    pline("Unfortunately it is here that hell is located.");
698.  #ifdef DGK
699.  	    fflush(stdout);
700.  #endif
701.  	    if(Fire_resistance) {
702.  		pline("But the fire doesn't seem to harm you.");
703.  	    } else {
704.  		pline("You burn to a crisp.");
705.  		pline("You die...");
706.  		dlevel = maxdlevel = newlevel;
707.  		killer = "visit to hell";
708.  		done("burned");
709.  	    }
710.  	}
711.  	if(newlevel < 0) {
712.  		if(newlevel <= -10) {
713.  			pline("You arrive in heaven.");
714.  			pline("\"You are here a bit early, but we'll let you in.\"");
715.  			killer = "visit to heaven";
716.  			done("died");
717.  		} else	if (newlevel == -9) {
718.  			pline("You feel deliriously happy. ");
719.  			pline("(In fact, you're on Cloud 9!) ");
720.  			more();
721.  		} else	newlevel = 0;
722.  	    pline("You are now high above the clouds ...");
723.  	    if(Levitation) {
724.  		pline("You float gently down to earth.");
725.  		done("escaped");
726.  	    }
727.  	    pline("Unfortunately, you don't know how to fly.");
728.  	    pline("You plummet a few thousand feet to your death.");
729.  	    dlevel = 0;
730.  	    killer = "long fall";
731.  	    done("died");
732.  	}
733.  
734.  	goto_level(newlevel, FALSE); /* calls done("escaped") if newlevel==0 */
735.  }
736.  
737.  #ifdef NEWTRAPS
738.  
739.  domagictrap()
740.  {
741.  	register int fate = rnd(20);
742.  
743.  	/* What happened to the poor sucker? */
744.  
745.  	if (fate < 10) {
746.  
747.  	  /* Most of the time, it creates some monsters. */
748.  	  register int cnt = rnd(4);
749.  
750.  	  /* below checks for blindness added by GAN 10/30/86 */
751.  	  if (!Blind)  {
752.  		pline("You are momentarily blinded by a flash of light!");
753.  		Blinded += rn1(5,10);
754.  		seeoff(0);
755.  	  }  else
756.  		pline("You hear a deafening roar!");
757.  	  while(cnt--)
758.  	   (void) makemon((struct permonst *) 0, u.ux, u.uy);
759.  	}
760.  	else
761.  	  switch (fate) {
762.  
763.  	     case 10:
764.  	     case 11:
765.  		      /* sometimes nothing happens */
766.  			break;
767.  	     case 12:
768.  		      /* a flash of fire */
769.  		      {
770.  			register int num;
771.  			
772.  			/* changed to be in conformance with
773.  			 * SCR_FIRE by GAN 11/02/86
774.  			 */
775.  			
776.  			pline("A tower of flame bursts from the floor!");
777.  			if(Fire_resistance)
778.  				pline("You are uninjured.");
779.  			else {
780.  				num = rnd(6);
781.  				u.uhpmax -= num;
782.  				losehp(num,"a burst of flame");
783.  				break;
784.  			}
785.  		      }
786.  
787.  	     /* odd feelings */
788.  	     case 13:   pline("A shiver runs up and down your spine!");
789.  			break;
790.  	     case 14:   pline("You hear distant howling.");
791.  			break;
792.  	     case 15:   pline("You suddenly yearn for your distant homeland.");
793.  			break;
794.  	     case 16:   pline("Your pack shakes violently!");
795.  			break;
796.  
797.  	     /* very occasionally something nice happens. */
798.  
799.  	     case 19:
800.  		    /* tame nearby monsters */
801.  		   {   register int i,j;
802.  		       register boolean confused = (Confusion != 0);
803.  		       register int bd = confused ? 5 : 1;
804.  		       register struct monst *mtmp;
805.  
806.  		       /* below pline added by GAN 10/30/86 */
807.  		       pline("You feel charismatic.");
808.  		       for(i = -bd; i <= bd; i++) for(j = -bd; j <= bd; j++)
809.  		       if(mtmp = m_at(u.ux+i, u.uy+j))
810.  			       (void) tamedog(mtmp, (struct obj *) 0);
811.  		       break;
812.  		   }
813.  
814.  	     case 20:
815.  		    /* uncurse stuff */
816.  		   {  register struct obj *obj;
817.  		      register boolean confused = (Confusion != 0);
818.  
819.  			/* below plines added by GAN 10/30/86 */
820.  			if (confused)
821.  			    if (Hallucination)
822.  				pline("You feel the power of the Force against you!");
823.  			    else
824.  				pline("You feel like you need some help.");
825.  			else
826.  			    if (Hallucination)
827.  				pline("You feel in touch with the Universal Oneness.");
828.  			    else
829.  				pline("You feel like someone is helping you.");
830.  		       for(obj = invent; obj ; obj = obj->nobj)
831.  			       if(obj->owornmask)
832.  				       obj->cursed = confused;
833.  		       if(Punished && !confused) {
834.  			       Punished = 0;
835.  			       freeobj(uchain);
836.  			       unpobj(uchain);
837.  			       free((char *) uchain);
838.  			       uball->spe = 0;
839.  			       uball->owornmask &= ~W_BALL;
840.  			       uchain = uball = (struct obj *) 0;
841.  		       }
842.  		       break;
843.  		   }
844.  	     default: break;
845.  	  }
846.  }
847.  #endif /* NEWTRAPS /**/
848.  
849.  drown()
850.  {
851.  	pline("You fall into a pool!");
852.  	pline("You can't swim!");
853.  	if(
854.  #ifdef WIZARD
855.  	wizard ||
856.  #endif
857.  	rn2(3) < u.uluck+2) {
858.  		/* most scrolls become unreadable */
859.  		register struct obj *obj;
860.  
861.  		for(obj = invent; obj; obj = obj->nobj)
862.  			if(obj->olet == SCROLL_SYM && rn2(12) > u.uluck)
863.  				obj->otyp = SCR_BLANK_PAPER;
864.  		/* we should perhaps merge these scrolls ? */
865.  
866.  		pline("You attempt a teleport spell.");	/* utcsri!carroll */
867.  		(void) dotele();
868.  		if(!IS_POOL(levl[u.ux][u.uy].typ)) return;
869.  	}
870.  	pline("You drown.");
871.  	pline("You die...");
872.  	killer = "pool of water";
873.  	done("drowned");
874.  }