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hack.apply.c revision 1.3
      1 /*
      2  * Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985.
      3  */
      4 
      5 #ifndef lint
      6 static char rcsid[] = "$Id: hack.apply.c,v 1.3 1993/08/02 17:16:58 mycroft Exp $";
      7 #endif /* not lint */
      8 
      9 #include	"hack.h"
     10 #include	"def.edog.h"
     11 #include	"def.mkroom.h"
     12 static struct monst *bchit();
     13 extern struct obj *addinv();
     14 extern struct trap *maketrap();
     15 extern int (*occupation)();
     16 extern char *occtxt;
     17 extern char quitchars[];
     18 extern char pl_character[];
     19 
     20 static void use_camera(), use_ice_box(), use_whistle(), use_magic_whistle();
     21 static int use_pick_axe();
     22 
     23 doapply() {
     24 	register struct obj *obj;
     25 	register int res = 1;
     26 
     27 	obj = getobj("(", "use or apply");
     28 	if(!obj) return(0);
     29 
     30 	switch(obj->otyp){
     31 	case EXPENSIVE_CAMERA:
     32 		use_camera(obj); break;
     33 	case ICE_BOX:
     34 		use_ice_box(obj); break;
     35 	case PICK_AXE:
     36 		res = use_pick_axe(obj);
     37 		break;
     38 
     39 	case MAGIC_WHISTLE:
     40 		if(pl_character[0] == 'W' || u.ulevel > 9) {
     41 			use_magic_whistle(obj);
     42 			break;
     43 		}
     44 		/* fall into next case */
     45 	case WHISTLE:
     46 		use_whistle(obj);
     47 		break;
     48 
     49 	case CAN_OPENER:
     50 		if(!carrying(TIN)) {
     51 			pline("You have no can to open.");
     52 			goto xit;
     53 		}
     54 		pline("You cannot open a tin without eating its contents.");
     55 		pline("In order to eat, use the 'e' command.");
     56 		if(obj != uwep)
     57     pline("Opening the tin will be much easier if you wield the can-opener.");
     58 		goto xit;
     59 
     60 	default:
     61 		pline("Sorry, I don't know how to use that.");
     62 	xit:
     63 		nomul(0);
     64 		return(0);
     65 	}
     66 	nomul(0);
     67 	return(res);
     68 }
     69 
     70 /* ARGSUSED */
     71 static void
     72 use_camera(obj) /* register */ struct obj *obj; {
     73 register struct monst *mtmp;
     74 	if(!getdir(1)){		/* ask: in what direction? */
     75 		flags.move = multi = 0;
     76 		return;
     77 	}
     78 	if(u.uswallow) {
     79 		pline("You take a picture of %s's stomach.", monnam(u.ustuck));
     80 		return;
     81 	}
     82 	if(u.dz) {
     83 		pline("You take a picture of the %s.",
     84 			(u.dz > 0) ? "floor" : "ceiling");
     85 		return;
     86 	}
     87 	if(mtmp = bchit(u.dx, u.dy, COLNO, '!')) {
     88 		if(mtmp->msleep){
     89 			mtmp->msleep = 0;
     90 			pline("The flash awakens %s.", monnam(mtmp)); /* a3 */
     91 		} else
     92 		if(mtmp->data->mlet != 'y')
     93 		if(mtmp->mcansee || mtmp->mblinded){
     94 			register int tmp = dist(mtmp->mx,mtmp->my);
     95 			register int tmp2;
     96 			if(cansee(mtmp->mx,mtmp->my))
     97 			  pline("%s is blinded by the flash!", Monnam(mtmp));
     98 			setmangry(mtmp);
     99 			if(tmp < 9 && !mtmp->isshk && rn2(4)) {
    100 				mtmp->mflee = 1;
    101 				if(rn2(4)) mtmp->mfleetim = rnd(100);
    102 			}
    103 			if(tmp < 3) mtmp->mcansee  = mtmp->mblinded = 0;
    104 			else {
    105 				tmp2 = mtmp->mblinded;
    106 				tmp2 += rnd(1 + 50/tmp);
    107 				if(tmp2 > 127) tmp2 = 127;
    108 				mtmp->mblinded = tmp2;
    109 				mtmp->mcansee = 0;
    110 			}
    111 		}
    112 	}
    113 }
    114 
    115 static
    116 struct obj *current_ice_box;	/* a local variable of use_ice_box, to be
    117 				used by its local procedures in/ck_ice_box */
    118 static
    119 in_ice_box(obj) register struct obj *obj; {
    120 	if(obj == current_ice_box ||
    121 		(Punished && (obj == uball || obj == uchain))){
    122 		pline("You must be kidding.");
    123 		return(0);
    124 	}
    125 	if(obj->owornmask & (W_ARMOR | W_RING)) {
    126 		pline("You cannot refrigerate something you are wearing.");
    127 		return(0);
    128 	}
    129 	if(obj->owt + current_ice_box->owt > 70) {
    130 		pline("It won't fit.");
    131 		return(1);	/* be careful! */
    132 	}
    133 	if(obj == uwep) {
    134 		if(uwep->cursed) {
    135 			pline("Your weapon is welded to your hand!");
    136 			return(0);
    137 		}
    138 		setuwep((struct obj *) 0);
    139 	}
    140 	current_ice_box->owt += obj->owt;
    141 	freeinv(obj);
    142 	obj->o_cnt_id = current_ice_box->o_id;
    143 	obj->nobj = fcobj;
    144 	fcobj = obj;
    145 	obj->age = moves - obj->age;	/* actual age */
    146 	return(1);
    147 }
    148 
    149 static
    150 ck_ice_box(obj) register struct obj *obj; {
    151 	return(obj->o_cnt_id == current_ice_box->o_id);
    152 }
    153 
    154 static
    155 out_ice_box(obj) register struct obj *obj; {
    156 register struct obj *otmp;
    157 	if(obj == fcobj) fcobj = fcobj->nobj;
    158 	else {
    159 		for(otmp = fcobj; otmp->nobj != obj; otmp = otmp->nobj)
    160 			if(!otmp->nobj) panic("out_ice_box");
    161 		otmp->nobj = obj->nobj;
    162 	}
    163 	current_ice_box->owt -= obj->owt;
    164 	obj->age = moves - obj->age;	/* simulated point of time */
    165 	(void) addinv(obj);
    166 }
    167 
    168 static void
    169 use_ice_box(obj) register struct obj *obj; {
    170 register int cnt = 0;
    171 register struct obj *otmp;
    172 	current_ice_box = obj;	/* for use by in/out_ice_box */
    173 	for(otmp = fcobj; otmp; otmp = otmp->nobj)
    174 		if(otmp->o_cnt_id == obj->o_id)
    175 			cnt++;
    176 	if(!cnt) pline("Your ice-box is empty.");
    177 	else {
    178 	    pline("Do you want to take something out of the ice-box? [yn] ");
    179 	    if(readchar() == 'y')
    180 		if(askchain(fcobj, (char *) 0, 0, out_ice_box, ck_ice_box, 0))
    181 		    return;
    182 		pline("That was all. Do you wish to put something in? [yn] ");
    183 		if(readchar() != 'y') return;
    184 	}
    185 	/* call getobj: 0: allow cnt; #: allow all types; %: expect food */
    186 	otmp = getobj("0#%", "put in");
    187 	if(!otmp || !in_ice_box(otmp))
    188 		flags.move = multi = 0;
    189 }
    190 
    191 static
    192 struct monst *
    193 bchit(ddx,ddy,range,sym) register int ddx,ddy,range; char sym; {
    194 	register struct monst *mtmp = (struct monst *) 0;
    195 	register int bchx = u.ux, bchy = u.uy;
    196 
    197 	if(sym) Tmp_at(-1, sym);	/* open call */
    198 	while(range--) {
    199 		bchx += ddx;
    200 		bchy += ddy;
    201 		if(mtmp = m_at(bchx,bchy))
    202 			break;
    203 		if(!ZAP_POS(levl[bchx][bchy].typ)) {
    204 			bchx -= ddx;
    205 			bchy -= ddy;
    206 			break;
    207 		}
    208 		if(sym) Tmp_at(bchx, bchy);
    209 	}
    210 	if(sym) Tmp_at(-1, -1);
    211 	return(mtmp);
    212 }
    213 
    214 /* ARGSUSED */
    215 static void
    216 use_whistle(obj) struct obj *obj; {
    217 register struct monst *mtmp = fmon;
    218 	pline("You produce a high whistling sound.");
    219 	while(mtmp) {
    220 		if(dist(mtmp->mx,mtmp->my) < u.ulevel*20) {
    221 			if(mtmp->msleep)
    222 				mtmp->msleep = 0;
    223 			if(mtmp->mtame)
    224 				EDOG(mtmp)->whistletime = moves;
    225 		}
    226 		mtmp = mtmp->nmon;
    227 	}
    228 }
    229 
    230 /* ARGSUSED */
    231 static void
    232 use_magic_whistle(obj) struct obj *obj; {
    233 register struct monst *mtmp = fmon;
    234 	pline("You produce a strange whistling sound.");
    235 	while(mtmp) {
    236 		if(mtmp->mtame) mnexto(mtmp);
    237 		mtmp = mtmp->nmon;
    238 	}
    239 }
    240 
    241 static int dig_effort;	/* effort expended on current pos */
    242 static uchar dig_level;
    243 static coord dig_pos;
    244 static boolean dig_down;
    245 
    246 static
    247 dig() {
    248 	register struct rm *lev;
    249 	register dpx = dig_pos.x, dpy = dig_pos.y;
    250 
    251 	/* perhaps a nymph stole his pick-axe while he was busy digging */
    252 	/* or perhaps he teleported away */
    253 	if(u.uswallow || !uwep || uwep->otyp != PICK_AXE ||
    254 	    dig_level != dlevel ||
    255 	    ((dig_down && (dpx != u.ux || dpy != u.uy)) ||
    256 	     (!dig_down && dist(dpx,dpy) > 2)))
    257 		return(0);
    258 
    259 	dig_effort += 10 + abon() + uwep->spe + rn2(5);
    260 	if(dig_down) {
    261 		if(!xdnstair) {
    262 			pline("The floor here seems too hard to dig in.");
    263 			return(0);
    264 		}
    265 		if(dig_effort > 250) {
    266 			dighole();
    267 			return(0);	/* done with digging */
    268 		}
    269 		if(dig_effort > 50) {
    270 			register struct trap *ttmp = t_at(dpx,dpy);
    271 
    272 			if(!ttmp) {
    273 				ttmp = maketrap(dpx,dpy,PIT);
    274 				ttmp->tseen = 1;
    275 				pline("You have dug a pit.");
    276 				u.utrap = rn1(4,2);
    277 				u.utraptype = TT_PIT;
    278 				return(0);
    279 			}
    280 		}
    281 	} else
    282 	if(dig_effort > 100) {
    283 		register char *digtxt;
    284 		register struct obj *obj;
    285 
    286 		lev = &levl[dpx][dpy];
    287 		if(obj = sobj_at(ENORMOUS_ROCK, dpx, dpy)) {
    288 			fracture_rock(obj);
    289 			digtxt = "The rock falls apart.";
    290 		} else if(!lev->typ || lev->typ == SCORR) {
    291 			lev->typ = CORR;
    292 			digtxt = "You succeeded in cutting away some rock.";
    293 		} else if(lev->typ == HWALL || lev->typ == VWALL
    294 					    || lev->typ == SDOOR) {
    295 			lev->typ = xdnstair ? DOOR : ROOM;
    296 			digtxt = "You just made an opening in the wall.";
    297 		} else
    298 		  digtxt = "Now what exactly was it that you were digging in?";
    299 		mnewsym(dpx, dpy);
    300 		prl(dpx, dpy);
    301 		pline(digtxt);		/* after mnewsym & prl */
    302 		return(0);
    303 	} else {
    304 		if(IS_WALL(levl[dpx][dpy].typ)) {
    305 			register int rno = inroom(dpx,dpy);
    306 
    307 			if(rno >= 0 && rooms[rno].rtype >= 8) {
    308 			  pline("This wall seems too hard to dig into.");
    309 			  return(0);
    310 			}
    311 		}
    312 		pline("You hit the rock with all your might.");
    313 	}
    314 	return(1);
    315 }
    316 
    317 /* When will hole be finished? Very rough indication used by shopkeeper. */
    318 holetime() {
    319 	return( (occupation == dig) ? (250 - dig_effort)/20 : -1);
    320 }
    321 
    322 dighole()
    323 {
    324 	register struct trap *ttmp = t_at(u.ux, u.uy);
    325 
    326 	if(!xdnstair) {
    327 		pline("The floor here seems too hard to dig in.");
    328 	} else {
    329 		if(ttmp)
    330 			ttmp->ttyp = TRAPDOOR;
    331 		else
    332 			ttmp = maketrap(u.ux, u.uy, TRAPDOOR);
    333 		ttmp->tseen = 1;
    334 		pline("You've made a hole in the floor.");
    335 		if(!u.ustuck) {
    336 			if(inshop())
    337 				shopdig(1);
    338 			pline("You fall through ...");
    339 			if(u.utraptype == TT_PIT) {
    340 				u.utrap = 0;
    341 				u.utraptype = 0;
    342 			}
    343 			goto_level(dlevel+1, FALSE);
    344 		}
    345 	}
    346 }
    347 
    348 static
    349 use_pick_axe(obj)
    350 struct obj *obj;
    351 {
    352 	char dirsyms[12];
    353 	extern char sdir[];
    354 	register char *dsp = dirsyms, *sdp = sdir;
    355 	register struct monst *mtmp;
    356 	register struct rm *lev;
    357 	register int rx, ry, res = 0;
    358 
    359 	if(obj != uwep) {
    360 		if(uwep && uwep->cursed) {
    361 			/* Andreas Bormann - ihnp4!decvax!mcvax!unido!ab */
    362 			pline("Since your weapon is welded to your hand,");
    363 			pline("you cannot use that pick-axe.");
    364 			return(0);
    365 		}
    366 		pline("You now wield %s.", doname(obj));
    367 		setuwep(obj);
    368 		res = 1;
    369 	}
    370 	while(*sdp) {
    371 		(void) movecmd(*sdp);	/* sets u.dx and u.dy and u.dz */
    372 		rx = u.ux + u.dx;
    373 		ry = u.uy + u.dy;
    374 		if(u.dz > 0 || (u.dz == 0 && isok(rx, ry) &&
    375 		    (IS_ROCK(levl[rx][ry].typ)
    376 		    || sobj_at(ENORMOUS_ROCK, rx, ry))))
    377 			*dsp++ = *sdp;
    378 		sdp++;
    379 	}
    380 	*dsp = 0;
    381 	pline("In what direction do you want to dig? [%s] ", dirsyms);
    382 	if(!getdir(0))		/* no txt */
    383 		return(res);
    384 	if(u.uswallow && attack(u.ustuck)) /* return(1) */;
    385 	else
    386 	if(u.dz < 0)
    387 		pline("You cannot reach the ceiling.");
    388 	else
    389 	if(u.dz == 0) {
    390 		if(Confusion)
    391 			confdir();
    392 		rx = u.ux + u.dx;
    393 		ry = u.uy + u.dy;
    394 		if((mtmp = m_at(rx, ry)) && attack(mtmp))
    395 			return(1);
    396 		if(!isok(rx, ry)) {
    397 			pline("Clash!");
    398 			return(1);
    399 		}
    400 		lev = &levl[rx][ry];
    401 		if(lev->typ == DOOR)
    402 			pline("Your %s against the door.",
    403 				aobjnam(obj, "clang"));
    404 		else if(!IS_ROCK(lev->typ)
    405 		     && !sobj_at(ENORMOUS_ROCK, rx, ry)) {
    406 			/* ACCESSIBLE or POOL */
    407 			pline("You swing your %s through thin air.",
    408 				aobjnam(obj, (char *) 0));
    409 		} else {
    410 			if(dig_pos.x != rx || dig_pos.y != ry
    411 			    || dig_level != dlevel || dig_down) {
    412 				dig_down = FALSE;
    413 				dig_pos.x = rx;
    414 				dig_pos.y = ry;
    415 				dig_level = dlevel;
    416 				dig_effort = 0;
    417 				pline("You start digging.");
    418 			} else
    419 				pline("You continue digging.");
    420 			occupation = dig;
    421 			occtxt = "digging";
    422 		}
    423 	} else if(Levitation) {
    424 		pline("You cannot reach the floor.");
    425 	} else {
    426 		if(dig_pos.x != u.ux || dig_pos.y != u.uy
    427 		    || dig_level != dlevel || !dig_down) {
    428 			dig_down = TRUE;
    429 			dig_pos.x = u.ux;
    430 			dig_pos.y = u.uy;
    431 			dig_level = dlevel;
    432 			dig_effort = 0;
    433 			pline("You start digging in the floor.");
    434 			if(inshop())
    435 				shopdig(0);
    436 		} else
    437 			pline("You continue digging in the floor.");
    438 		occupation = dig;
    439 		occtxt = "digging";
    440 	}
    441 	return(1);
    442 }
    443