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

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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.  }