hack.apply.c revision 1.6
1/*	$OpenBSD: hack.apply.c,v 1.6 2015/09/27 05:13:11 guenther Exp $	*/
2
3/*
4 * Copyright (c) 1985, Stichting Centrum voor Wiskunde en Informatica,
5 * Amsterdam
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are
10 * met:
11 *
12 * - Redistributions of source code must retain the above copyright notice,
13 * this list of conditions and the following disclaimer.
14 *
15 * - 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 *
19 * - Neither the name of the Stichting Centrum voor Wiskunde en
20 * Informatica, nor the names of its contributors may be used to endorse or
21 * promote products derived from this software without specific prior
22 * written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
25 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
26 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
27 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
28 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
29 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
30 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
31 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
32 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
33 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
34 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 */
36
37/*
38 * Copyright (c) 1982 Jay Fenlason <hack@gnu.org>
39 * All rights reserved.
40 *
41 * Redistribution and use in source and binary forms, with or without
42 * modification, are permitted provided that the following conditions
43 * are met:
44 * 1. Redistributions of source code must retain the above copyright
45 *    notice, this list of conditions and the following disclaimer.
46 * 2. Redistributions in binary form must reproduce the above copyright
47 *    notice, this list of conditions and the following disclaimer in the
48 *    documentation and/or other materials provided with the distribution.
49 * 3. The name of the author may not be used to endorse or promote products
50 *    derived from this software without specific prior written permission.
51 *
52 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
53 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
54 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
55 * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
56 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
57 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
58 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
59 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
60 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
61 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
62 */
63
64#include	"hack.h"
65#include	"def.edog.h"
66extern int (*occupation)(void);
67extern char *occtxt;
68extern char quitchars[];
69extern char pl_character[];
70
71static void use_camera(struct obj *);
72static void use_ice_box(struct obj *);
73       int in_ice_box(struct obj *);
74       int ck_ice_box(struct obj *);
75       int out_ice_box(struct obj *);
76static struct monst *bchit(int, int, int, char);
77static void use_whistle(struct obj *);
78static void use_magic_whistle(struct obj *);
79static int dig(void);
80static int use_pick_axe(struct obj *);
81
82int
83doapply()
84{
85	struct obj *obj;
86	int res = 1;
87
88	obj = getobj("(", "use or apply");
89	if(!obj) return(0);
90
91	switch(obj->otyp){
92	case EXPENSIVE_CAMERA:
93		use_camera(obj); break;
94	case ICE_BOX:
95		use_ice_box(obj); break;
96	case PICK_AXE:
97		res = use_pick_axe(obj);
98		break;
99
100	case MAGIC_WHISTLE:
101		if(pl_character[0] == 'W' || u.ulevel > 9) {
102			use_magic_whistle(obj);
103			break;
104		}
105		/* fall into next case */
106	case WHISTLE:
107		use_whistle(obj);
108		break;
109
110	case CAN_OPENER:
111		if(!carrying(TIN)) {
112			pline("You have no can to open.");
113			goto xit;
114		}
115		pline("You cannot open a tin without eating its contents.");
116		pline("In order to eat, use the 'e' command.");
117		if(obj != uwep)
118    pline("Opening the tin will be much easier if you wield the can-opener.");
119		goto xit;
120
121	default:
122		pline("Sorry, I don't know how to use that.");
123	xit:
124		nomul(0);
125		return(0);
126	}
127	nomul(0);
128	return(res);
129}
130
131/* ARGSUSED */
132static void
133use_camera(struct obj *obj)
134{
135	struct monst *mtmp;
136
137	if (!getdir(1)){		/* ask: in what direction? */
138		flags.move = multi = 0;
139		return;
140	}
141	if (u.uswallow) {
142		pline("You take a picture of %s's stomach.", monnam(u.ustuck));
143		return;
144	}
145	if (u.dz) {
146		pline("You take a picture of the %s.",
147			(u.dz > 0) ? "floor" : "ceiling");
148		return;
149	}
150	if ((mtmp = bchit(u.dx, u.dy, COLNO, '!'))) {
151		if(mtmp->msleep){
152			mtmp->msleep = 0;
153			pline("The flash awakens %s.", monnam(mtmp)); /* a3 */
154		} else
155		if(mtmp->data->mlet != 'y')
156		if(mtmp->mcansee || mtmp->mblinded){
157			int tmp = dist(mtmp->mx,mtmp->my);
158			int tmp2;
159			if(cansee(mtmp->mx,mtmp->my))
160			  pline("%s is blinded by the flash!", Monnam(mtmp));
161			setmangry(mtmp);
162			if(tmp < 9 && !mtmp->isshk && rn2(4)) {
163				mtmp->mflee = 1;
164				if(rn2(4)) mtmp->mfleetim = rnd(100);
165			}
166			if(tmp < 3) mtmp->mcansee  = mtmp->mblinded = 0;
167			else {
168				tmp2 = mtmp->mblinded;
169				tmp2 += rnd(1 + 50/tmp);
170				if(tmp2 > 127) tmp2 = 127;
171				mtmp->mblinded = tmp2;
172				mtmp->mcansee = 0;
173			}
174		}
175	}
176}
177
178static
179struct obj *current_ice_box;	/* a local variable of use_ice_box, to be
180				used by its local procedures in/ck_ice_box */
181int
182in_ice_box(struct obj *obj)
183{
184	if(obj == current_ice_box ||
185		(Punished && (obj == uball || obj == uchain))){
186		pline("You must be kidding.");
187		return(0);
188	}
189	if(obj->owornmask & (W_ARMOR | W_RING)) {
190		pline("You cannot refrigerate something you are wearing.");
191		return(0);
192	}
193	if(obj->owt + current_ice_box->owt > 70) {
194		pline("It won't fit.");
195		return(1);	/* be careful! */
196	}
197	if(obj == uwep) {
198		if(uwep->cursed) {
199			pline("Your weapon is welded to your hand!");
200			return(0);
201		}
202		setuwep((struct obj *) 0);
203	}
204	current_ice_box->owt += obj->owt;
205	freeinv(obj);
206	obj->o_cnt_id = current_ice_box->o_id;
207	obj->nobj = fcobj;
208	fcobj = obj;
209	obj->age = moves - obj->age;	/* actual age */
210	return(1);
211}
212
213int
214ck_ice_box(struct obj *obj)
215{
216	return(obj->o_cnt_id == current_ice_box->o_id);
217}
218
219int
220out_ice_box(struct obj *obj)
221{
222	struct obj *otmp;
223
224	if (obj == fcobj)
225		fcobj = fcobj->nobj;
226	else {
227		for(otmp = fcobj; otmp->nobj != obj; otmp = otmp->nobj)
228			if(!otmp->nobj) panic("out_ice_box");
229		otmp->nobj = obj->nobj;
230	}
231	current_ice_box->owt -= obj->owt;
232	obj->age = moves - obj->age;	/* simulated point of time */
233	(void) addinv(obj);
234	return(0);
235}
236
237static void
238use_ice_box(struct obj *obj)
239{
240	int cnt = 0;
241	struct obj *otmp;
242	current_ice_box = obj;	/* for use by in/out_ice_box */
243	for(otmp = fcobj; otmp; otmp = otmp->nobj)
244		if(otmp->o_cnt_id == obj->o_id)
245			cnt++;
246	if(!cnt) pline("Your ice-box is empty.");
247	else {
248	    pline("Do you want to take something out of the ice-box? [yn] ");
249	    if(readchar() == 'y')
250		if(askchain(fcobj, NULL, 0, out_ice_box, ck_ice_box, 0))
251		    return;
252		pline("That was all. Do you wish to put something in? [yn] ");
253		if(readchar() != 'y') return;
254	}
255	/* call getobj: 0: allow cnt; #: allow all types; %: expect food */
256	otmp = getobj("0#%", "put in");
257	if(!otmp || !in_ice_box(otmp))
258		flags.move = multi = 0;
259}
260
261static
262struct monst *
263bchit(int ddx, int ddy, int range, char sym)
264{
265	struct monst *mtmp = (struct monst *) 0;
266	int bchx = u.ux, bchy = u.uy;
267
268	if(sym) Tmp_at(-1, sym);	/* open call */
269	while(range--) {
270		bchx += ddx;
271		bchy += ddy;
272		if ((mtmp = m_at(bchx,bchy)))
273			break;
274		if(!ZAP_POS(levl[bchx][bchy].typ)) {
275			bchx -= ddx;
276			bchy -= ddy;
277			break;
278		}
279		if(sym)
280			Tmp_at(bchx, bchy);
281	}
282	if(sym)
283		Tmp_at(-1, -1);
284	return(mtmp);
285}
286
287/* ARGSUSED */
288static void
289use_whistle(struct obj *obj)
290{
291	struct monst *mtmp = fmon;
292	pline("You produce a high whistling sound.");
293	while(mtmp) {
294		if(dist(mtmp->mx,mtmp->my) < u.ulevel*20) {
295			if(mtmp->msleep)
296				mtmp->msleep = 0;
297			if(mtmp->mtame)
298				EDOG(mtmp)->whistletime = moves;
299		}
300		mtmp = mtmp->nmon;
301	}
302}
303
304/* ARGSUSED */
305static void
306use_magic_whistle(struct obj *obj)
307{
308	struct monst *mtmp = fmon;
309	pline("You produce a strange whistling sound.");
310	while(mtmp) {
311		if(mtmp->mtame) mnexto(mtmp);
312		mtmp = mtmp->nmon;
313	}
314}
315
316static int dig_effort;	/* effort expended on current pos */
317static uchar dig_level;
318static coord dig_pos;
319static boolean dig_down;
320
321static int
322dig()
323{
324	struct rm *lev;
325	int dpx = dig_pos.x, dpy = dig_pos.y;
326
327	/* perhaps a nymph stole his pick-axe while he was busy digging */
328	/* or perhaps he teleported away */
329	if(u.uswallow || !uwep || uwep->otyp != PICK_AXE ||
330	    dig_level != dlevel ||
331	    ((dig_down && (dpx != u.ux || dpy != u.uy)) ||
332	     (!dig_down && dist(dpx,dpy) > 2)))
333		return(0);
334
335	dig_effort += 10 + abon() + uwep->spe + rn2(5);
336	if(dig_down) {
337		if(!xdnstair) {
338			pline("The floor here seems too hard to dig in.");
339			return(0);
340		}
341		if(dig_effort > 250) {
342			dighole();
343			return(0);	/* done with digging */
344		}
345		if(dig_effort > 50) {
346			struct trap *ttmp = t_at(dpx,dpy);
347
348			if(!ttmp) {
349				ttmp = maketrap(dpx,dpy,PIT);
350				ttmp->tseen = 1;
351				pline("You have dug a pit.");
352				u.utrap = rn1(4,2);
353				u.utraptype = TT_PIT;
354				return(0);
355			}
356		}
357	} else
358	if (dig_effort > 100) {
359		char *digtxt;
360		struct obj *obj;
361
362		lev = &levl[dpx][dpy];
363		if ((obj = sobj_at(ENORMOUS_ROCK, dpx, dpy))) {
364			fracture_rock(obj);
365			digtxt = "The rock falls apart.";
366		} else if(!lev->typ || lev->typ == SCORR) {
367			lev->typ = CORR;
368			digtxt = "You succeeded in cutting away some rock.";
369		} else if(lev->typ == HWALL || lev->typ == VWALL
370					    || lev->typ == SDOOR) {
371			lev->typ = xdnstair ? DOOR : ROOM;
372			digtxt = "You just made an opening in the wall.";
373		} else
374		  digtxt = "Now what exactly was it that you were digging in?";
375		mnewsym(dpx, dpy);
376		prl(dpx, dpy);
377		pline("%s", digtxt);		/* after mnewsym & prl */
378		return(0);
379	} else {
380		if(IS_WALL(levl[dpx][dpy].typ)) {
381			int rno = inroom(dpx,dpy);
382
383			if(rno >= 0 && rooms[rno].rtype >= 8) {
384			  pline("This wall seems too hard to dig into.");
385			  return(0);
386			}
387		}
388		pline("You hit the rock with all your might.");
389	}
390	return(1);
391}
392
393/* When will hole be finished? Very rough indication used by shopkeeper. */
394int
395holetime()
396{
397	return( (occupation == dig) ? (250 - dig_effort)/20 : -1);
398}
399
400void
401dighole()
402{
403	struct trap *ttmp = t_at(u.ux, u.uy);
404
405	if(!xdnstair) {
406		pline("The floor here seems too hard to dig in.");
407	} else {
408		if(ttmp)
409			ttmp->ttyp = TRAPDOOR;
410		else
411			ttmp = maketrap(u.ux, u.uy, TRAPDOOR);
412		ttmp->tseen = 1;
413		pline("You've made a hole in the floor.");
414		if(!u.ustuck) {
415			if(inshop())
416				shopdig(1);
417			pline("You fall through ...");
418			if(u.utraptype == TT_PIT) {
419				u.utrap = 0;
420				u.utraptype = 0;
421			}
422			goto_level(dlevel+1, FALSE);
423		}
424	}
425}
426
427static int
428use_pick_axe(struct obj *obj)
429{
430	char dirsyms[12];
431	extern char sdir[];
432	char *dsp = dirsyms, *sdp = sdir;
433	struct monst *mtmp;
434	struct rm *lev;
435	int rx, ry, res = 0;
436
437	if(obj != uwep) {
438		if(uwep && uwep->cursed) {
439			/* Andreas Bormann - ihnp4!decvax!mcvax!unido!ab */
440			pline("Since your weapon is welded to your hand,");
441			pline("you cannot use that pick-axe.");
442			return(0);
443		}
444		pline("You now wield %s.", doname(obj));
445		setuwep(obj);
446		res = 1;
447	}
448	while(*sdp) {
449		(void) movecmd(*sdp);	/* sets u.dx and u.dy and u.dz */
450		rx = u.ux + u.dx;
451		ry = u.uy + u.dy;
452		if(u.dz > 0 || (u.dz == 0 && isok(rx, ry) &&
453		    (IS_ROCK(levl[rx][ry].typ)
454		    || sobj_at(ENORMOUS_ROCK, rx, ry))))
455			*dsp++ = *sdp;
456		sdp++;
457	}
458	*dsp = 0;
459	pline("In what direction do you want to dig? [%s] ", dirsyms);
460	if(!getdir(0))		/* no txt */
461		return(res);
462	if(u.uswallow && attack(u.ustuck)) /* return(1) */;
463	else
464	if(u.dz < 0)
465		pline("You cannot reach the ceiling.");
466	else
467	if(u.dz == 0) {
468		if(Confusion)
469			confdir();
470		rx = u.ux + u.dx;
471		ry = u.uy + u.dy;
472		if((mtmp = m_at(rx, ry)) && attack(mtmp))
473			return(1);
474		if(!isok(rx, ry)) {
475			pline("Clash!");
476			return(1);
477		}
478		lev = &levl[rx][ry];
479		if(lev->typ == DOOR)
480			pline("Your %s against the door.",
481				aobjnam(obj, "clang"));
482		else if(!IS_ROCK(lev->typ)
483		     && !sobj_at(ENORMOUS_ROCK, rx, ry)) {
484			/* ACCESSIBLE or POOL */
485			pline("You swing your %s through thin air.",
486				aobjnam(obj, (char *) 0));
487		} else {
488			if(dig_pos.x != rx || dig_pos.y != ry
489			    || dig_level != dlevel || dig_down) {
490				dig_down = FALSE;
491				dig_pos.x = rx;
492				dig_pos.y = ry;
493				dig_level = dlevel;
494				dig_effort = 0;
495				pline("You start digging.");
496			} else
497				pline("You continue digging.");
498			occupation = dig;
499			occtxt = "digging";
500		}
501	} else if(Levitation) {
502		pline("You cannot reach the floor.");
503	} else {
504		if(dig_pos.x != u.ux || dig_pos.y != u.uy
505		    || dig_level != dlevel || !dig_down) {
506			dig_down = TRUE;
507			dig_pos.x = u.ux;
508			dig_pos.y = u.uy;
509			dig_level = dlevel;
510			dig_effort = 0;
511			pline("You start digging in the floor.");
512			if(inshop())
513				shopdig(0);
514		} else
515			pline("You continue digging in the floor.");
516		occupation = dig;
517		occtxt = "digging";
518	}
519	return(1);
520}
521