xref: /dragonfly/games/hack/hack.apply.c (revision 1de703da)
1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
2 /* hack.apply.c - version 1.0.3 */
3 /* $FreeBSD: src/games/hack/hack.apply.c,v 1.4.2.1 2001/02/18 02:20:07 kris Exp $ */
4 /* $DragonFly: src/games/hack/hack.apply.c,v 1.2 2003/06/17 04:25:24 dillon Exp $ */
5 
6 #include	"hack.h"
7 #include	"def.edog.h"
8 #include	"def.mkroom.h"
9 static struct monst *bchit();
10 extern struct obj *addinv();
11 extern struct trap *maketrap();
12 extern int (*occupation)();
13 extern char *occtxt;
14 extern char quitchars[];
15 extern char pl_character[];
16 
17 static void use_camera(), use_ice_box(), use_whistle(), use_magic_whistle();
18 static int use_pick_axe();
19 
20 doapply() {
21 	struct obj *obj;
22 	int res = 1;
23 
24 	obj = getobj("(", "use or apply");
25 	if(!obj) return(0);
26 
27 	switch(obj->otyp){
28 	case EXPENSIVE_CAMERA:
29 		use_camera(obj); break;
30 	case ICE_BOX:
31 		use_ice_box(obj); break;
32 	case PICK_AXE:
33 		res = use_pick_axe(obj);
34 		break;
35 
36 	case MAGIC_WHISTLE:
37 		if(pl_character[0] == 'W' || u.ulevel > 9) {
38 			use_magic_whistle(obj);
39 			break;
40 		}
41 		/* fall into next case */
42 	case WHISTLE:
43 		use_whistle(obj);
44 		break;
45 
46 	case CAN_OPENER:
47 		if(!carrying(TIN)) {
48 			pline("You have no can to open.");
49 			goto xit;
50 		}
51 		pline("You cannot open a tin without eating its contents.");
52 		pline("In order to eat, use the 'e' command.");
53 		if(obj != uwep)
54     pline("Opening the tin will be much easier if you wield the can-opener.");
55 		goto xit;
56 
57 	default:
58 		pline("Sorry, I don't know how to use that.");
59 	xit:
60 		nomul(0);
61 		return(0);
62 	}
63 	nomul(0);
64 	return(res);
65 }
66 
67 /* ARGSUSED */
68 static void
69 use_camera(obj) /* */ struct obj *obj; {
70 struct monst *mtmp;
71 	if(!getdir(1)){		/* ask: in what direction? */
72 		flags.move = multi = 0;
73 		return;
74 	}
75 	if(u.uswallow) {
76 		pline("You take a picture of %s's stomach.", monnam(u.ustuck));
77 		return;
78 	}
79 	if(u.dz) {
80 		pline("You take a picture of the %s.",
81 			(u.dz > 0) ? "floor" : "ceiling");
82 		return;
83 	}
84 	if(mtmp = bchit(u.dx, u.dy, COLNO, '!')) {
85 		if(mtmp->msleep){
86 			mtmp->msleep = 0;
87 			pline("The flash awakens %s.", monnam(mtmp)); /* a3 */
88 		} else
89 		if(mtmp->data->mlet != 'y')
90 		if(mtmp->mcansee || mtmp->mblinded){
91 			int tmp = dist(mtmp->mx,mtmp->my);
92 			int tmp2;
93 			if(cansee(mtmp->mx,mtmp->my))
94 			  pline("%s is blinded by the flash!", Monnam(mtmp));
95 			setmangry(mtmp);
96 			if(tmp < 9 && !mtmp->isshk && rn2(4)) {
97 				mtmp->mflee = 1;
98 				if(rn2(4)) mtmp->mfleetim = rnd(100);
99 			}
100 			if(tmp < 3) mtmp->mcansee  = mtmp->mblinded = 0;
101 			else {
102 				tmp2 = mtmp->mblinded;
103 				tmp2 += rnd(1 + 50/tmp);
104 				if(tmp2 > 127) tmp2 = 127;
105 				mtmp->mblinded = tmp2;
106 				mtmp->mcansee = 0;
107 			}
108 		}
109 	}
110 }
111 
112 static
113 struct obj *current_ice_box;	/* a local variable of use_ice_box, to be
114 				used by its local procedures in/ck_ice_box */
115 static
116 in_ice_box(obj) struct obj *obj; {
117 	if(obj == current_ice_box ||
118 		(Punished && (obj == uball || obj == uchain))){
119 		pline("You must be kidding.");
120 		return(0);
121 	}
122 	if(obj->owornmask & (W_ARMOR | W_RING)) {
123 		pline("You cannot refrigerate something you are wearing.");
124 		return(0);
125 	}
126 	if(obj->owt + current_ice_box->owt > 70) {
127 		pline("It won't fit.");
128 		return(1);	/* be careful! */
129 	}
130 	if(obj == uwep) {
131 		if(uwep->cursed) {
132 			pline("Your weapon is welded to your hand!");
133 			return(0);
134 		}
135 		setuwep((struct obj *) 0);
136 	}
137 	current_ice_box->owt += obj->owt;
138 	freeinv(obj);
139 	obj->o_cnt_id = current_ice_box->o_id;
140 	obj->nobj = fcobj;
141 	fcobj = obj;
142 	obj->age = moves - obj->age;	/* actual age */
143 	return(1);
144 }
145 
146 static
147 ck_ice_box(obj) struct obj *obj; {
148 	return(obj->o_cnt_id == current_ice_box->o_id);
149 }
150 
151 static
152 out_ice_box(obj) struct obj *obj; {
153 struct obj *otmp;
154 	if(obj == fcobj) fcobj = fcobj->nobj;
155 	else {
156 		for(otmp = fcobj; otmp->nobj != obj; otmp = otmp->nobj)
157 			if(!otmp->nobj) panic("out_ice_box");
158 		otmp->nobj = obj->nobj;
159 	}
160 	current_ice_box->owt -= obj->owt;
161 	obj->age = moves - obj->age;	/* simulated point of time */
162 	(void) addinv(obj);
163 }
164 
165 static void
166 use_ice_box(obj) struct obj *obj; {
167 int cnt = 0;
168 struct obj *otmp;
169 	current_ice_box = obj;	/* for use by in/out_ice_box */
170 	for(otmp = fcobj; otmp; otmp = otmp->nobj)
171 		if(otmp->o_cnt_id == obj->o_id)
172 			cnt++;
173 	if(!cnt) pline("Your ice-box is empty.");
174 	else {
175 	    pline("Do you want to take something out of the ice-box? [yn] ");
176 	    if(readchar() == 'y')
177 		if(askchain(fcobj, (char *) 0, 0, out_ice_box, ck_ice_box, 0))
178 		    return;
179 		pline("That was all. Do you wish to put something in? [yn] ");
180 		if(readchar() != 'y') return;
181 	}
182 	/* call getobj: 0: allow cnt; #: allow all types; %: expect food */
183 	otmp = getobj("0#%", "put in");
184 	if(!otmp || !in_ice_box(otmp))
185 		flags.move = multi = 0;
186 }
187 
188 static
189 struct monst *
190 bchit(ddx,ddy,range,sym) int ddx,ddy,range; char sym; {
191 	struct monst *mtmp = (struct monst *) 0;
192 	int bchx = u.ux, bchy = u.uy;
193 
194 	if(sym) Tmp_at(-1, sym);	/* open call */
195 	while(range--) {
196 		bchx += ddx;
197 		bchy += ddy;
198 		if(mtmp = m_at(bchx,bchy))
199 			break;
200 		if(!ZAP_POS(levl[bchx][bchy].typ)) {
201 			bchx -= ddx;
202 			bchy -= ddy;
203 			break;
204 		}
205 		if(sym) Tmp_at(bchx, bchy);
206 	}
207 	if(sym) Tmp_at(-1, -1);
208 	return(mtmp);
209 }
210 
211 /* ARGSUSED */
212 static void
213 use_whistle(obj) struct obj *obj; {
214 struct monst *mtmp = fmon;
215 	pline("You produce a high whistling sound.");
216 	while(mtmp) {
217 		if(dist(mtmp->mx,mtmp->my) < u.ulevel*20) {
218 			if(mtmp->msleep)
219 				mtmp->msleep = 0;
220 			if(mtmp->mtame)
221 				EDOG(mtmp)->whistletime = moves;
222 		}
223 		mtmp = mtmp->nmon;
224 	}
225 }
226 
227 /* ARGSUSED */
228 static void
229 use_magic_whistle(obj) struct obj *obj; {
230 struct monst *mtmp = fmon;
231 	pline("You produce a strange whistling sound.");
232 	while(mtmp) {
233 		if(mtmp->mtame) mnexto(mtmp);
234 		mtmp = mtmp->nmon;
235 	}
236 }
237 
238 static int dig_effort;	/* effort expended on current pos */
239 static uchar dig_level;
240 static coord dig_pos;
241 static boolean dig_down;
242 
243 static
244 dig() {
245 	struct rm *lev;
246 	int dpx = dig_pos.x, dpy = dig_pos.y;
247 
248 	/* perhaps a nymph stole his pick-axe while he was busy digging */
249 	/* or perhaps he teleported away */
250 	if(u.uswallow || !uwep || uwep->otyp != PICK_AXE ||
251 	    dig_level != dlevel ||
252 	    ((dig_down && (dpx != u.ux || dpy != u.uy)) ||
253 	     (!dig_down && dist(dpx,dpy) > 2)))
254 		return(0);
255 
256 	dig_effort += 10 + abon() + uwep->spe + rn2(5);
257 	if(dig_down) {
258 		if(!xdnstair) {
259 			pline("The floor here seems too hard to dig in.");
260 			return(0);
261 		}
262 		if(dig_effort > 250) {
263 			dighole();
264 			return(0);	/* done with digging */
265 		}
266 		if(dig_effort > 50) {
267 			struct trap *ttmp = t_at(dpx,dpy);
268 
269 			if(!ttmp) {
270 				ttmp = maketrap(dpx,dpy,PIT);
271 				ttmp->tseen = 1;
272 				pline("You have dug a pit.");
273 				u.utrap = rn1(4,2);
274 				u.utraptype = TT_PIT;
275 				return(0);
276 			}
277 		}
278 	} else
279 	if(dig_effort > 100) {
280 		char *digtxt;
281 		struct obj *obj;
282 
283 		lev = &levl[dpx][dpy];
284 		if(obj = sobj_at(ENORMOUS_ROCK, dpx, dpy)) {
285 			fracture_rock(obj);
286 			digtxt = "The rock falls apart.";
287 		} else if(!lev->typ || lev->typ == SCORR) {
288 			lev->typ = CORR;
289 			digtxt = "You succeeded in cutting away some rock.";
290 		} else if(lev->typ == HWALL || lev->typ == VWALL
291 					    || lev->typ == SDOOR) {
292 			lev->typ = xdnstair ? DOOR : ROOM;
293 			digtxt = "You just made an opening in the wall.";
294 		} else
295 		  digtxt = "Now what exactly was it that you were digging in?";
296 		mnewsym(dpx, dpy);
297 		prl(dpx, dpy);
298 		pline("%s", digtxt);		/* after mnewsym & prl */
299 		return(0);
300 	} else {
301 		if(IS_WALL(levl[dpx][dpy].typ)) {
302 			int rno = inroom(dpx,dpy);
303 
304 			if(rno >= 0 && rooms[rno].rtype >= 8) {
305 			  pline("This wall seems too hard to dig into.");
306 			  return(0);
307 			}
308 		}
309 		pline("You hit the rock with all your might.");
310 	}
311 	return(1);
312 }
313 
314 /* When will hole be finished? Very rough indication used by shopkeeper. */
315 holetime() {
316 	return( (occupation == dig) ? (250 - dig_effort)/20 : -1);
317 }
318 
319 dighole()
320 {
321 	struct trap *ttmp = t_at(u.ux, u.uy);
322 
323 	if(!xdnstair) {
324 		pline("The floor here seems too hard to dig in.");
325 	} else {
326 		if(ttmp)
327 			ttmp->ttyp = TRAPDOOR;
328 		else
329 			ttmp = maketrap(u.ux, u.uy, TRAPDOOR);
330 		ttmp->tseen = 1;
331 		pline("You've made a hole in the floor.");
332 		if(!u.ustuck) {
333 			if(inshop())
334 				shopdig(1);
335 			pline("You fall through ...");
336 			if(u.utraptype == TT_PIT) {
337 				u.utrap = 0;
338 				u.utraptype = 0;
339 			}
340 			goto_level(dlevel+1, FALSE);
341 		}
342 	}
343 }
344 
345 static
346 use_pick_axe(obj)
347 struct obj *obj;
348 {
349 	char dirsyms[12];
350 	extern char sdir[];
351 	char *dsp = dirsyms, *sdp = sdir;
352 	struct monst *mtmp;
353 	struct rm *lev;
354 	int rx, ry, res = 0;
355 
356 	if(obj != uwep) {
357 		if(uwep && uwep->cursed) {
358 			/* Andreas Bormann - ihnp4!decvax!mcvax!unido!ab */
359 			pline("Since your weapon is welded to your hand,");
360 			pline("you cannot use that pick-axe.");
361 			return(0);
362 		}
363 		pline("You now wield %s.", doname(obj));
364 		setuwep(obj);
365 		res = 1;
366 	}
367 	while(*sdp) {
368 		(void) movecmd(*sdp);	/* sets u.dx and u.dy and u.dz */
369 		rx = u.ux + u.dx;
370 		ry = u.uy + u.dy;
371 		if(u.dz > 0 || (u.dz == 0 && isok(rx, ry) &&
372 		    (IS_ROCK(levl[rx][ry].typ)
373 		    || sobj_at(ENORMOUS_ROCK, rx, ry))))
374 			*dsp++ = *sdp;
375 		sdp++;
376 	}
377 	*dsp = 0;
378 	pline("In what direction do you want to dig? [%s] ", dirsyms);
379 	if(!getdir(0))		/* no txt */
380 		return(res);
381 	if(u.uswallow && attack(u.ustuck)) /* return(1) */;
382 	else
383 	if(u.dz < 0)
384 		pline("You cannot reach the ceiling.");
385 	else
386 	if(u.dz == 0) {
387 		if(Confusion)
388 			confdir();
389 		rx = u.ux + u.dx;
390 		ry = u.uy + u.dy;
391 		if((mtmp = m_at(rx, ry)) && attack(mtmp))
392 			return(1);
393 		if(!isok(rx, ry)) {
394 			pline("Clash!");
395 			return(1);
396 		}
397 		lev = &levl[rx][ry];
398 		if(lev->typ == DOOR)
399 			pline("Your %s against the door.",
400 				aobjnam(obj, "clang"));
401 		else if(!IS_ROCK(lev->typ)
402 		     && !sobj_at(ENORMOUS_ROCK, rx, ry)) {
403 			/* ACCESSIBLE or POOL */
404 			pline("You swing your %s through thin air.",
405 				aobjnam(obj, (char *) 0));
406 		} else {
407 			if(dig_pos.x != rx || dig_pos.y != ry
408 			    || dig_level != dlevel || dig_down) {
409 				dig_down = FALSE;
410 				dig_pos.x = rx;
411 				dig_pos.y = ry;
412 				dig_level = dlevel;
413 				dig_effort = 0;
414 				pline("You start digging.");
415 			} else
416 				pline("You continue digging.");
417 			occupation = dig;
418 			occtxt = "digging";
419 		}
420 	} else if(Levitation) {
421 		pline("You cannot reach the floor.");
422 	} else {
423 		if(dig_pos.x != u.ux || dig_pos.y != u.uy
424 		    || dig_level != dlevel || !dig_down) {
425 			dig_down = TRUE;
426 			dig_pos.x = u.ux;
427 			dig_pos.y = u.uy;
428 			dig_level = dlevel;
429 			dig_effort = 0;
430 			pline("You start digging in the floor.");
431 			if(inshop())
432 				shopdig(0);
433 		} else
434 			pline("You continue digging in the floor.");
435 		occupation = dig;
436 		occtxt = "digging";
437 	}
438 	return(1);
439 }
440