Source:NetHack 1.4f/apply.c

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Below is the full text to apply.c from the source code of NetHack 1.4f. To link to a particular line, write [[NetHack 1.4f/apply.c#line123]], for example.

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

Screenshots and source code from Hack are used under the CWI license.

1.    /*	SCCS Id: @(#)apply.c	1.4	87/08/08
2.    /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
3.    /* apply.c - version 1.0.3 */
4.    
5.    #include	"hack.h"
6.    #include	"edog.h"
7.    #include	"mkroom.h"
8.    static struct monst *bchit();
9.    extern struct obj *addinv();
10.   extern struct trap *maketrap();
11.   extern int (*occupation)();
12.   extern char *occtxt;
13.   extern char quitchars[];
14.   extern char pl_character[];
15.   
16.   #ifdef KAA
17.   extern boolean unweapon;
18.   #endif
19.   static use_camera(), use_ice_box(), use_whistle();
20.   static use_magic_whistle(), use_pick_axe();
21.   #ifdef MARKER
22.   extern int dowrite();
23.   #endif
24.   
25.   doapply() {
26.   	register struct obj *obj;
27.   	register int res = 1;
28.   
29.   	obj = getobj("(", "use or apply");
30.   	if(!obj) return(0);
31.   
32.   	switch(obj->otyp){
33.   	case EXPENSIVE_CAMERA:
34.   		use_camera(obj); break;
35.   	case ICE_BOX:
36.   		use_ice_box(obj); break;
37.   	case PICK_AXE:
38.   		res = use_pick_axe(obj);
39.   		break;
40.   
41.   	case MAGIC_WHISTLE:
42.   		if(pl_character[0] == 'W' || u.ulevel > 9) {
43.   			use_magic_whistle(obj);
44.   			break;
45.   		}
46.   		/* fall into next case */
47.   	case WHISTLE:
48.   		use_whistle(obj);
49.   		break;
50.   #ifdef WALKIES
51.   	case LEASH:
52.   		use_leash(obj);
53.   		break;
54.   #endif
55.   #ifdef MARKER
56.   	case MAGIC_MARKER:
57.   		dowrite(obj);
58.   		break;
59.   #endif
60.   	case CAN_OPENER:
61.   		if(!carrying(TIN)) {
62.   			pline("You have no can to open.");
63.   			goto xit;
64.   		}
65.   		pline("You cannot open a tin without eating its contents.");
66.   		pline("In order to eat, use the 'e' command.");
67.   		if(obj != uwep)
68.       pline("Opening the tin will be much easier if you wield the can-opener.");
69.   		goto xit;
70.   
71.   #ifdef KAA
72.   	case STETHOSCOPE:
73.   		res = use_stethoscope(obj);
74.   		break;
75.   #endif
76.   	default:
77.   		pline("Sorry, I don't know how to use that.");
78.   	xit:
79.   		nomul(0);
80.   		return(0);
81.   	}
82.   	nomul(0);
83.   	return(res);
84.   }
85.   
86.   /* ARGSUSED */
87.   static
88.   use_camera(obj) /* register */ struct obj *obj; {
89.   register struct monst *mtmp;
90.   	if(!getdir(1)){		/* ask: in what direction? */
91.   		flags.move = multi = 0;
92.   		return;
93.   	}
94.   	if(u.uswallow) {
95.   		pline("You take a picture of %s's stomach.", monnam(u.ustuck));
96.   		return;
97.   	}
98.   	if(u.dz) {
99.   		pline("You take a picture of the %s.",
100.  			(u.dz > 0) ? "floor" : "ceiling");
101.  		return;
102.  	}
103.  #ifdef KAA
104.  	if(!u.dx && !u.dy && !u.dz) {
105.  		if(!Blind) {
106.  			pline("You are blinded by the flash!");
107.  			Blind += rnd(25);
108.  			seeoff(0);
109.  		}
110.  		return;
111.  	}
112.  #endif
113.  	if(mtmp = bchit(u.dx, u.dy, COLNO, '!')) {
114.  		if(mtmp->msleep){
115.  			mtmp->msleep = 0;
116.  			pline("The flash awakens %s.", monnam(mtmp)); /* a3 */
117.  		} else
118.  		if(mtmp->data->mlet != 'y')
119.  		if(mtmp->mcansee || mtmp->mblinded){
120.  			register int tmp = dist(mtmp->mx,mtmp->my);
121.  			register int tmp2;
122.  			if(cansee(mtmp->mx,mtmp->my))
123.  			  pline("%s is blinded by the flash!", Monnam(mtmp));
124.  			setmangry(mtmp);
125.  			if(tmp < 9 && !mtmp->isshk && rn2(4)) {
126.  				mtmp->mflee = 1;
127.  				if(rn2(4)) mtmp->mfleetim = rnd(100);
128.  			}
129.  			if(tmp < 3) mtmp->mcansee  = mtmp->mblinded = 0;
130.  			else {
131.  				tmp2 = mtmp->mblinded;
132.  				tmp2 += rnd(1 + 50/tmp);
133.  				if(tmp2 > 127) tmp2 = 127;
134.  				mtmp->mblinded = tmp2;
135.  				mtmp->mcansee = 0;
136.  			}
137.  		}
138.  	}
139.  }
140.  
141.  #ifdef KAA
142.  /* Strictly speaking it makes no sense for usage of a stethoscope to
143.     not take any time; however, unless it did, the stethoscope would be
144.     almost useless. */
145.  static use_stethoscope(obj) register struct obj *obj; {
146.  register struct monst *mtmp;
147.  register struct rm *lev;
148.  register int rx, ry;
149.  	if(!freehand()) {
150.  		pline("You have no free hand!");
151.  		return(1);
152.  	}
153.  	if (!getdir(1)) {
154.  		flags.move=multi=0;
155.  		return(0);
156.  	}
157.  	if(u.dz < 0 || (u.dz && Levitation)) {
158.  		pline("You can't reach the %s!", u.dz<0 ? "ceiling" : "floor");
159.  		return(1);
160.  	}
161.  	if(u.dz) {
162.  		pline("The floor seems healthy enough.");
163.  		return(0);
164.  	}
165.  	if (Confusion) confdir();
166.  	rx = u.ux + u.dx; ry = u.uy + u.dy;
167.  	if(u.uswallow) {
168.  		mstatusline(u.ustuck);
169.  		return(0);
170.  	}
171.  	if(mtmp=m_at(rx,ry)) {
172.  		mstatusline(mtmp);
173.  		return(0);
174.  	}
175.  	if (!isok(rx,ry)) {
176.  		pline("You hear the sounds at the end of the universe.");
177.  		return(0);
178.  	}
179.  	lev = &levl[rx][ry];
180.  	if(lev->typ == SDOOR) {
181.  		pline("You hear a hollow sound!  This must be a secret door!");
182.  		lev->typ = DOOR;
183.  		atl(rx, ry, DOOR_SYM);
184.  		return(0);
185.  	}
186.  	if(lev->typ == SCORR) {
187.  		pline("You hear a hollow sound!  This must be a secret passage!");
188.  		lev->typ = CORR;
189.  		atl(rx, ry, CORR_SYM);
190.  		return(0);
191.  	}
192.  	pline("You hear nothing special.");
193.  	return(0);
194.  }
195.  #endif	
196.  	
197.  static
198.  struct obj *current_ice_box;	/* a local variable of use_ice_box, to be
199.  				used by its local procedures in/ck_ice_box */
200.  static
201.  in_ice_box(obj) register struct obj *obj; {
202.  	if(obj == current_ice_box ||
203.  		(Punished && (obj == uball || obj == uchain))){
204.  		pline("You must be kidding.");
205.  		return(0);
206.  	}
207.  	if(obj->owornmask & (W_ARMOR | W_RING)) {
208.  		pline("You cannot refrigerate something you are wearing.");
209.  		return(0);
210.  	}
211.  	if(obj->owt + current_ice_box->owt > 70) {
212.  		pline("It won't fit.");
213.  		return(1);	/* be careful! */
214.  	}
215.  	if(obj == uwep) {
216.  		if(uwep->cursed) {
217.  			pline("Your weapon is welded to your hand!");
218.  			return(0);
219.  		}
220.  		setuwep((struct obj *) 0);
221.  	}
222.  	current_ice_box->owt += obj->owt;
223.  	freeinv(obj);
224.  	obj->o_cnt_id = current_ice_box->o_id;
225.  	obj->nobj = fcobj;
226.  	fcobj = obj;
227.  	obj->age = moves - obj->age;	/* actual age */
228.  	return(1);
229.  }
230.  
231.  static
232.  ck_ice_box(obj) register struct obj *obj; {
233.  	return(obj->o_cnt_id == current_ice_box->o_id);
234.  }
235.  
236.  static
237.  out_ice_box(obj) register struct obj *obj; {
238.  register struct obj *otmp;
239.  	if(obj == fcobj) fcobj = fcobj->nobj;
240.  	else {
241.  		for(otmp = fcobj; otmp->nobj != obj; otmp = otmp->nobj)
242.  			if(!otmp->nobj) panic("out_ice_box");
243.  		otmp->nobj = obj->nobj;
244.  	}
245.  	current_ice_box->owt -= obj->owt;
246.  	obj->age = moves - obj->age;	/* simulated point of time */
247.  	(void) addinv(obj);
248.  }
249.  
250.  static
251.  use_ice_box(obj) register struct obj *obj; {
252.  register int cnt = 0;
253.  register struct obj *otmp;
254.  	current_ice_box = obj;	/* for use by in/out_ice_box */
255.  	for(otmp = fcobj; otmp; otmp = otmp->nobj)
256.  		if(otmp->o_cnt_id == obj->o_id)
257.  			cnt++;
258.  	if(!cnt) pline("Your ice-box is empty.");
259.  	else {
260.  	    pline("Do you want to take something out of the ice-box? [yn] ");
261.  	    if(readchar() == 'y')
262.  		if(askchain(fcobj, (char *) 0, 0, out_ice_box, ck_ice_box, 0))
263.  		    return;
264.  		pline("That was all. Do you wish to put something in? [yn] ");
265.  		if(readchar() != 'y') return;
266.  	}
267.  	/* call getobj: 0: allow cnt; #: allow all types; %: expect food */
268.  	otmp = getobj("0#%", "put in");
269.  	if(!otmp || !in_ice_box(otmp))
270.  		flags.move = multi = 0;
271.  }
272.  
273.  static
274.  struct monst *
275.  bchit(ddx,ddy,range,sym) register int ddx,ddy,range; char sym; {
276.  	register struct monst *mtmp = (struct monst *) 0;
277.  	register int bchx = u.ux, bchy = u.uy;
278.  
279.  	if(sym) Tmp_at(-1, sym);	/* open call */
280.  	while(range--) {
281.  		bchx += ddx;
282.  		bchy += ddy;
283.  		if(mtmp = m_at(bchx,bchy))
284.  			break;
285.  		if(!ZAP_POS(levl[bchx][bchy].typ)) {
286.  			bchx -= ddx;
287.  			bchy -= ddy;
288.  			break;
289.  		}
290.  		if(sym) Tmp_at(bchx, bchy);
291.  	}
292.  	if(sym) Tmp_at(-1, -1);
293.  	return(mtmp);
294.  }
295.  
296.  /* ARGSUSED */
297.  static
298.  use_whistle(obj) struct obj *obj; {
299.  register struct monst *mtmp = fmon;
300.  	pline("You produce a high whistling sound.");
301.  	while(mtmp) {
302.  		if(dist(mtmp->mx,mtmp->my) < u.ulevel*20) {
303.  			if(mtmp->msleep)
304.  				mtmp->msleep = 0;
305.  			if(mtmp->mtame)
306.  				EDOG(mtmp)->whistletime = moves;
307.  		}
308.  		mtmp = mtmp->nmon;
309.  	}
310.  }
311.  
312.  /* ARGSUSED */
313.  static
314.  use_magic_whistle(obj) struct obj *obj; {
315.  register struct monst *mtmp = fmon;
316.  	pline("You produce a strange whistling sound.");
317.  	while(mtmp) {
318.  		if(mtmp->mtame) mnexto(mtmp);
319.  		mtmp = mtmp->nmon;
320.  	}
321.  }
322.  
323.  #ifdef WALKIES
324.  /* ARGSUSED */
325.  static
326.  use_leash(obj) struct obj *obj; {
327.  register struct monst *mtmp = fmon;
328.  
329.  	while(mtmp && !mtmp->mleashed) mtmp = mtmp->nmon;
330.  
331.  	if(mtmp) {
332.  
333.  		if (next_to(mtmp))  {
334.  
335.  			mtmp->mleashed = 0;
336.  			pline("You remove the leash from your %s.",
337.  				 mtmp->data->mname);
338.  		} else	pline("You must be next to your %s to unleash him.",
339.  				 mtmp->data->mname);
340.  	} else {
341.  
342.  	    for(mtmp = fmon; mtmp; mtmp = mtmp->nmon) {
343.  
344.  		if(mtmp->mtame && next_to(mtmp)) {
345.  
346.  			pline("You slip the leash around your %s.", mtmp->data->mname);
347.  			mtmp->mleashed = 1;
348.  			if(mtmp->msleep)  mtmp->msleep = 0;
349.  			return(0);
350.  		}
351.  	    }
352.  	    pline("There's nothing here to put a leash on.");
353.  	}
354.  	return(0);
355.  }
356.  
357.  next_to(mtmp) register struct monst *mtmp; {
358.  
359.  	return((abs(u.ux - mtmp->mx) <= 1) && (abs(u.uy - mtmp->my) <= 1));
360.  }
361.  #endif
362.  
363.  static int dig_effort;	/* effort expended on current pos */
364.  static uchar dig_level;
365.  static coord dig_pos;
366.  static boolean dig_down;
367.  
368.  static
369.  dig() {
370.  	register struct rm *lev;
371.  	register dpx = dig_pos.x, dpy = dig_pos.y;
372.  
373.  	/* perhaps a nymph stole his pick-axe while he was busy digging */
374.  	/* or perhaps he teleported away */
375.  	if(u.uswallow || !uwep || uwep->otyp != PICK_AXE ||
376.  	    dig_level != dlevel ||
377.  	    ((dig_down && (dpx != u.ux || dpy != u.uy)) ||
378.  	     (!dig_down && dist(dpx,dpy) > 2)))
379.  		return(0);
380.  
381.  	dig_effort += 10 + abon() + uwep->spe + rn2(5);
382.  	if(dig_down) {
383.  		if(!xdnstair) {
384.  			pline("The floor here seems too hard to dig in.");
385.  			return(0);
386.  		}
387.  		if(dig_effort > 250) {
388.  			dighole();
389.  			return(0);	/* done with digging */
390.  		}
391.  		if(dig_effort > 50) {
392.  			register struct trap *ttmp = t_at(dpx,dpy);
393.  
394.  			if(!ttmp) {
395.  				ttmp = maketrap(dpx,dpy,PIT);
396.  				ttmp->tseen = 1;
397.  				pline("You have dug a pit.");
398.  				u.utrap = rn1(4,2);
399.  				u.utraptype = TT_PIT;
400.  				return(0);
401.  			}
402.  		}
403.  	} else
404.  	if(dig_effort > 100) {
405.  		register char *digtxt;
406.  		register struct obj *obj;
407.  
408.  		lev = &levl[dpx][dpy];
409.  		if(obj = sobj_at(ENORMOUS_ROCK, dpx, dpy)) {
410.  			fracture_rock(obj);
411.  			digtxt = "The rock falls apart.";
412.  		} else if(!lev->typ || lev->typ == SCORR) {
413.  			lev->typ = CORR;
414.  			digtxt = "You succeeded in cutting away some rock.";
415.  		} else if(lev->typ == HWALL || lev->typ == VWALL
416.  					    || lev->typ == SDOOR) {
417.  			lev->typ = xdnstair ? DOOR : ROOM;
418.  			digtxt = "You just made an opening in the wall.";
419.  		} else
420.  		  digtxt = "Now what exactly was it that you were digging in?";
421.  		mnewsym(dpx, dpy);
422.  		prl(dpx, dpy);
423.  		pline(digtxt);		/* after mnewsym & prl */
424.  		return(0);
425.  	} else {
426.  		if(IS_WALL(levl[dpx][dpy].typ)) {
427.  			register int rno = inroom(dpx,dpy);
428.  
429.  			if(rno >= 0 && rooms[rno].rtype >= 8) {
430.  			  pline("This wall seems too hard to dig into.");
431.  			  return(0);
432.  			}
433.  		}
434.  		pline("You hit the rock with all your might.");
435.  	}
436.  	return(1);
437.  }
438.  
439.  /* When will hole be finished? Very rough indication used by shopkeeper. */
440.  holetime() {
441.  	return( (occupation == dig) ? (250 - dig_effort)/20 : -1);
442.  }
443.  
444.  dighole()
445.  {
446.  	register struct trap *ttmp = t_at(u.ux, u.uy);
447.  
448.  	if(!xdnstair) {
449.  		pline("The floor here seems too hard to dig in.");
450.  	} else {
451.  		if(ttmp)
452.  			ttmp->ttyp = TRAPDOOR;
453.  		else
454.  			ttmp = maketrap(u.ux, u.uy, TRAPDOOR);
455.  		ttmp->tseen = 1;
456.  		pline("You've made a hole in the floor.");
457.  		if(!u.ustuck && !Levitation) {			/* KAA */
458.  			if(inshop())
459.  				shopdig(1);
460.  			pline("You fall through ...");
461.  			if(u.utraptype == TT_PIT) {
462.  				u.utrap = 0;
463.  				u.utraptype = 0;
464.  			}
465.  			goto_level(dlevel+1, FALSE);
466.  		}
467.  	}
468.  }
469.  
470.  static
471.  use_pick_axe(obj)
472.  struct obj *obj;
473.  {
474.  	char dirsyms[12];
475.  	extern char sdir[];
476.  	register char *dsp = dirsyms, *sdp = sdir;
477.  	register struct monst *mtmp;
478.  	register struct rm *lev;
479.  	register int rx, ry, res = 0;
480.  
481.  #ifndef FREEHAND
482.  	/* edited by GAN 10/20/86 so that you can't apply the
483.  	 * pick-axe while wielding a cursed weapon
484.  	 */
485.  	if(!freehand())  {
486.  		pline("You have no free hand to dig with!");
487.  		return(0);
488.  	}
489.  # ifdef KAA
490.  	if(cantwield(u.usym)) {
491.  		pline("You can't hold it strongly enough.");
492.  		return(0);
493.  	}
494.  # endif
495.  #else
496.  	if(obj != uwep) {
497.  		if(uwep && uwep->cursed) {
498.  			/* Andreas Bormann - ihnp4!decvax!mcvax!unido!ab */
499.  			pline("Since your weapon is welded to your hand,");
500.  			pline("you cannot use that pick-axe.");
501.  			return(0);
502.  		}
503.  # ifdef KAA
504.  		if(cantwield(u.usym)) {
505.  			pline("You can't hold it strongly enough.");
506.  			return(0);
507.  		}
508.  		unweapon = TRUE;
509.  # endif
510.  		pline("You now wield %s.", doname(obj));
511.  		setuwep(obj);
512.  		res = 1;
513.  	}
514.  #endif
515.  	while(*sdp) {
516.  		(void) movecmd(*sdp);	/* sets u.dx and u.dy and u.dz */
517.  		rx = u.ux + u.dx;
518.  		ry = u.uy + u.dy;
519.  		if(u.dz > 0 || (u.dz == 0 && isok(rx, ry) &&
520.  		    (IS_ROCK(levl[rx][ry].typ)
521.  		    || sobj_at(ENORMOUS_ROCK, rx, ry))))
522.  			*dsp++ = *sdp;
523.  		sdp++;
524.  	}
525.  	*dsp = 0;
526.  	pline("In what direction do you want to dig? [%s] ", dirsyms);
527.  	if(!getdir(0))		/* no txt */
528.  		return(res);
529.  	if(u.uswallow && attack(u.ustuck)) /* return(1) */;
530.  	else
531.  	if(u.dz < 0)
532.  		pline("You cannot reach the ceiling.");
533.  	else
534.  #ifdef KAA
535.  	if(!u.dx && !u.dy && !u.dz) {
536.  		pline("You hit yourself with your own pick-axe.");
537.  		losehp(rnd(2)+dbon(), "self-inflicted wound");
538.  		flags.botl=1;
539.  		return(1);
540.  	}
541.  #endif
542.  	if(u.dz == 0) {
543.  		if(Confusion)
544.  			confdir();
545.  		rx = u.ux + u.dx;
546.  		ry = u.uy + u.dy;
547.  		if((mtmp = m_at(rx, ry)) && attack(mtmp))
548.  			return(1);
549.  		if(!isok(rx, ry)) {
550.  			pline("Clash!");
551.  			return(1);
552.  		}
553.  		lev = &levl[rx][ry];
554.  		if(lev->typ == DOOR)
555.  			pline("Your %s against the door.",
556.  				aobjnam(obj, "clang"));
557.  		else if(!IS_ROCK(lev->typ)
558.  		     && !sobj_at(ENORMOUS_ROCK, rx, ry)) {
559.  			/* ACCESSIBLE or POOL */
560.  			pline("You swing your %s through thin air.",
561.  				aobjnam(obj, (char *) 0));
562.  		} else {
563.  			if(dig_pos.x != rx || dig_pos.y != ry
564.  			    || dig_level != dlevel || dig_down) {
565.  				dig_down = FALSE;
566.  				dig_pos.x = rx;
567.  				dig_pos.y = ry;
568.  				dig_level = dlevel;
569.  				dig_effort = 0;
570.  				pline("You start digging.");
571.  			} else
572.  				pline("You continue digging.");
573.  #ifdef DGKMOD
574.  			set_occupation(dig, "digging", 0);
575.  #else
576.  			occupation = dig;
577.  			occtxt = "digging";
578.  #endif
579.  		}
580.  	} else if(Levitation) {
581.  		pline("You cannot reach the floor.");
582.  	} else {
583.  		if(dig_pos.x != u.ux || dig_pos.y != u.uy
584.  		    || dig_level != dlevel || !dig_down) {
585.  			dig_down = TRUE;
586.  			dig_pos.x = u.ux;
587.  			dig_pos.y = u.uy;
588.  			dig_level = dlevel;
589.  			dig_effort = 0;
590.  			pline("You start digging in the floor.");
591.  			if(inshop())
592.  				shopdig(0);
593.  		} else
594.  			pline("You continue digging in the floor.");
595.  #ifdef DGKMOD
596.  		set_occupation(dig, "digging", 0);
597.  #else
598.  		occupation = dig;
599.  		occtxt = "digging";
600.  #endif
601.  	}
602.  	return(1);
603.  }