pc-hack

PC HACK 3.61 source code (archival)
git clone http://frotz.net/git/pc-hack.git
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apply.c (10589B)


      1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
      2 /* apply.c - version 1.0.3 */
      3 
      4 #include	"hack.h"
      5 #include	"edog.h"
      6 #include	"mkroom.h"
      7 static struct monst *bchit();
      8 extern struct obj *addinv();
      9 extern struct trap *maketrap();
     10 extern int (*occupation)();
     11 extern char *occtxt;
     12 extern char quitchars[];
     13 extern char pl_character[];
     14 
     15 static use_camera(), use_ice_box(), use_whistle();
     16 static use_magic_whistle(), use_pick_axe();
     17 
     18 doapply() {
     19 	register struct obj *obj;
     20 	register int res = 1;
     21 
     22 	obj = getobj("(", "use or apply");
     23 	if(!obj) return(0);
     24 
     25 	switch(obj->otyp){
     26 	case EXPENSIVE_CAMERA:
     27 		use_camera(obj); break;
     28 	case ICE_BOX:
     29 		use_ice_box(obj); break;
     30 	case PICK_AXE:
     31 		res = use_pick_axe(obj);
     32 		break;
     33 
     34 	case MAGIC_WHISTLE:
     35 		if(pl_character[0] == 'W' || u.ulevel > 9) {
     36 			use_magic_whistle(obj);
     37 			break;
     38 		}
     39 		/* fall into next case */
     40 	case WHISTLE:
     41 		use_whistle(obj);
     42 		break;
     43 
     44 	case CAN_OPENER:
     45 		if(!carrying(TIN)) {
     46 			pline("You have no can to open.");
     47 			goto xit;
     48 		}
     49 		pline("You cannot open a tin without eating its contents.");
     50 		pline("In order to eat, use the 'e' command.");
     51 		if(obj != uwep)
     52     pline("Opening the tin will be much easier if you wield the can-opener.");
     53 		goto xit;
     54 
     55 	default:
     56 		pline("Sorry, I don't know how to use that.");
     57 	xit:
     58 		nomul(0);
     59 		return(0);
     60 	}
     61 	nomul(0);
     62 	return(res);
     63 }
     64 
     65 /* ARGSUSED */
     66 static
     67 use_camera(obj) /* register */ struct obj *obj; {
     68 register struct monst *mtmp;
     69 	if(!getdir(1)){		/* ask: in what direction? */
     70 		flags.move = multi = 0;
     71 		return;
     72 	}
     73 	if(u.uswallow) {
     74 		pline("You take a picture of %s's stomach.", monnam(u.ustuck));
     75 		return;
     76 	}
     77 	if(u.dz) {
     78 		pline("You take a picture of the %s.",
     79 			(u.dz > 0) ? "floor" : "ceiling");
     80 		return;
     81 	}
     82 	if(mtmp = bchit(u.dx, u.dy, COLNO, '!')) {
     83 		if(mtmp->msleep){
     84 			mtmp->msleep = 0;
     85 			pline("The flash awakens %s.", monnam(mtmp)); /* a3 */
     86 		} else
     87 		if(mtmp->data->mlet != 'y')
     88 		if(mtmp->mcansee || mtmp->mblinded){
     89 			register int tmp = dist(mtmp->mx,mtmp->my);
     90 			register int tmp2;
     91 			if(cansee(mtmp->mx,mtmp->my))
     92 			  pline("%s is blinded by the flash!", Monnam(mtmp));
     93 			setmangry(mtmp);
     94 			if(tmp < 9 && !mtmp->isshk && rn2(4)) {
     95 				mtmp->mflee = 1;
     96 				if(rn2(4)) mtmp->mfleetim = rnd(100);
     97 			}
     98 			if(tmp < 3) mtmp->mcansee  = mtmp->mblinded = 0;
     99 			else {
    100 				tmp2 = mtmp->mblinded;
    101 				tmp2 += rnd(1 + 50/tmp);
    102 				if(tmp2 > 127) tmp2 = 127;
    103 				mtmp->mblinded = tmp2;
    104 				mtmp->mcansee = 0;
    105 			}
    106 		}
    107 	}
    108 }
    109 
    110 static
    111 struct obj *current_ice_box;	/* a local variable of use_ice_box, to be
    112 				used by its local procedures in/ck_ice_box */
    113 static
    114 in_ice_box(obj) register struct obj *obj; {
    115 	if(obj == current_ice_box ||
    116 		(Punished && (obj == uball || obj == uchain))){
    117 		pline("You must be kidding.");
    118 		return(0);
    119 	}
    120 	if(obj->owornmask & (W_ARMOR | W_RING)) {
    121 		pline("You cannot refrigerate something you are wearing.");
    122 		return(0);
    123 	}
    124 	if(obj->owt + current_ice_box->owt > 70) {
    125 		pline("It won't fit.");
    126 		return(1);	/* be careful! */
    127 	}
    128 	if(obj == uwep) {
    129 		if(uwep->cursed) {
    130 			pline("Your weapon is welded to your hand!");
    131 			return(0);
    132 		}
    133 		setuwep((struct obj *) 0);
    134 	}
    135 	current_ice_box->owt += obj->owt;
    136 	freeinv(obj);
    137 	obj->o_cnt_id = current_ice_box->o_id;
    138 	obj->nobj = fcobj;
    139 	fcobj = obj;
    140 	obj->age = moves - obj->age;	/* actual age */
    141 	return(1);
    142 }
    143 
    144 static
    145 ck_ice_box(obj) register struct obj *obj; {
    146 	return(obj->o_cnt_id == current_ice_box->o_id);
    147 }
    148 
    149 static
    150 out_ice_box(obj) register struct obj *obj; {
    151 register struct obj *otmp;
    152 	if(obj == fcobj) fcobj = fcobj->nobj;
    153 	else {
    154 		for(otmp = fcobj; otmp->nobj != obj; otmp = otmp->nobj)
    155 			if(!otmp->nobj) panic("out_ice_box");
    156 		otmp->nobj = obj->nobj;
    157 	}
    158 	current_ice_box->owt -= obj->owt;
    159 	obj->age = moves - obj->age;	/* simulated point of time */
    160 	(void) addinv(obj);
    161 }
    162 
    163 static
    164 use_ice_box(obj) register struct obj *obj; {
    165 register int cnt = 0;
    166 register struct obj *otmp;
    167 	current_ice_box = obj;	/* for use by in/out_ice_box */
    168 	for(otmp = fcobj; otmp; otmp = otmp->nobj)
    169 		if(otmp->o_cnt_id == obj->o_id)
    170 			cnt++;
    171 	if(!cnt) pline("Your ice-box is empty.");
    172 	else {
    173 	    pline("Do you want to take something out of the ice-box? [yn] ");
    174 	    if(readchar() == 'y')
    175 		if(askchain(fcobj, (char *) 0, 0, out_ice_box, ck_ice_box, 0))
    176 		    return;
    177 		pline("That was all. Do you wish to put something in? [yn] ");
    178 		if(readchar() != 'y') return;
    179 	}
    180 	/* call getobj: 0: allow cnt; #: allow all types; %: expect food */
    181 	otmp = getobj("0#%", "put in");
    182 	if(!otmp || !in_ice_box(otmp))
    183 		flags.move = multi = 0;
    184 }
    185 
    186 static
    187 struct monst *
    188 bchit(ddx,ddy,range,sym) register int ddx,ddy,range; char sym; {
    189 	register struct monst *mtmp = (struct monst *) 0;
    190 	register int bchx = u.ux, bchy = u.uy;
    191 
    192 	if(sym) Tmp_at(-1, sym);	/* open call */
    193 	while(range--) {
    194 		bchx += ddx;
    195 		bchy += ddy;
    196 		if(mtmp = m_at(bchx,bchy))
    197 			break;
    198 		if(!ZAP_POS(levl[bchx][bchy].typ)) {
    199 			bchx -= ddx;
    200 			bchy -= ddy;
    201 			break;
    202 		}
    203 		if(sym) Tmp_at(bchx, bchy);
    204 	}
    205 	if(sym) Tmp_at(-1, -1);
    206 	return(mtmp);
    207 }
    208 
    209 /* ARGSUSED */
    210 static
    211 use_whistle(obj) struct obj *obj; {
    212 register struct monst *mtmp = fmon;
    213 	pline("You produce a high whistling sound.");
    214 	while(mtmp) {
    215 		if(dist(mtmp->mx,mtmp->my) < u.ulevel*20) {
    216 			if(mtmp->msleep)
    217 				mtmp->msleep = 0;
    218 			if(mtmp->mtame)
    219 				EDOG(mtmp)->whistletime = moves;
    220 		}
    221 		mtmp = mtmp->nmon;
    222 	}
    223 }
    224 
    225 /* ARGSUSED */
    226 static
    227 use_magic_whistle(obj) struct obj *obj; {
    228 register struct monst *mtmp = fmon;
    229 	pline("You produce a strange whistling sound.");
    230 	while(mtmp) {
    231 		if(mtmp->mtame) mnexto(mtmp);
    232 		mtmp = mtmp->nmon;
    233 	}
    234 }
    235 
    236 static int dig_effort;	/* effort expended on current pos */
    237 static uchar dig_level;
    238 static coord dig_pos;
    239 static boolean dig_down;
    240 
    241 static
    242 dig() {
    243 	register struct rm *lev;
    244 	register dpx = dig_pos.x, dpy = dig_pos.y;
    245 
    246 	/* perhaps a nymph stole his pick-axe while he was busy digging */
    247 	/* or perhaps he teleported away */
    248 	if(u.uswallow || !uwep || uwep->otyp != PICK_AXE ||
    249 	    dig_level != dlevel ||
    250 	    ((dig_down && (dpx != u.ux || dpy != u.uy)) ||
    251 	     (!dig_down && dist(dpx,dpy) > 2)))
    252 		return(0);
    253 
    254 	dig_effort += 10 + abon() + uwep->spe + rn2(5);
    255 	if(dig_down) {
    256 		if(!xdnstair) {
    257 			pline("The floor here seems too hard to dig in.");
    258 			return(0);
    259 		}
    260 		if(dig_effort > 250) {
    261 			dighole();
    262 			return(0);	/* done with digging */
    263 		}
    264 		if(dig_effort > 50) {
    265 			register struct trap *ttmp = t_at(dpx,dpy);
    266 
    267 			if(!ttmp) {
    268 				ttmp = maketrap(dpx,dpy,PIT);
    269 				ttmp->tseen = 1;
    270 				pline("You have dug a pit.");
    271 				u.utrap = rn1(4,2);
    272 				u.utraptype = TT_PIT;
    273 				return(0);
    274 			}
    275 		}
    276 	} else
    277 	if(dig_effort > 100) {
    278 		register char *digtxt;
    279 		register struct obj *obj;
    280 
    281 		lev = &levl[dpx][dpy];
    282 		if(obj = sobj_at(ENORMOUS_ROCK, dpx, dpy)) {
    283 			fracture_rock(obj);
    284 			digtxt = "The rock falls apart.";
    285 		} else if(!lev->typ || lev->typ == SCORR) {
    286 			lev->typ = CORR;
    287 			digtxt = "You succeeded in cutting away some rock.";
    288 		} else if(lev->typ == HWALL || lev->typ == VWALL
    289 					    || lev->typ == SDOOR) {
    290 			lev->typ = xdnstair ? DOOR : ROOM;
    291 			digtxt = "You just made an opening in the wall.";
    292 		} else
    293 		  digtxt = "Now what exactly was it that you were digging in?";
    294 		mnewsym(dpx, dpy);
    295 		prl(dpx, dpy);
    296 		pline(digtxt);		/* after mnewsym & prl */
    297 		return(0);
    298 	} else {
    299 		if(IS_WALL(levl[dpx][dpy].typ)) {
    300 			register int rno = inroom(dpx,dpy);
    301 
    302 			if(rno >= 0 && rooms[rno].rtype >= 8) {
    303 			  pline("This wall seems too hard to dig into.");
    304 			  return(0);
    305 			}
    306 		}
    307 		pline("You hit the rock with all your might.");
    308 	}
    309 	return(1);
    310 }
    311 
    312 /* When will hole be finished? Very rough indication used by shopkeeper. */
    313 holetime() {
    314 	return( (occupation == dig) ? (250 - dig_effort)/20 : -1);
    315 }
    316 
    317 dighole()
    318 {
    319 	register struct trap *ttmp = t_at(u.ux, u.uy);
    320 
    321 	if(!xdnstair) {
    322 		pline("The floor here seems too hard to dig in.");
    323 	} else {
    324 		if(ttmp)
    325 			ttmp->ttyp = TRAPDOOR;
    326 		else
    327 			ttmp = maketrap(u.ux, u.uy, TRAPDOOR);
    328 		ttmp->tseen = 1;
    329 		pline("You've made a hole in the floor.");
    330 		if(!u.ustuck) {
    331 			if(inshop())
    332 				shopdig(1);
    333 			pline("You fall through ...");
    334 			if(u.utraptype == TT_PIT) {
    335 				u.utrap = 0;
    336 				u.utraptype = 0;
    337 			}
    338 			goto_level(dlevel+1, FALSE);
    339 		}
    340 	}
    341 }
    342 
    343 static
    344 use_pick_axe(obj)
    345 struct obj *obj;
    346 {
    347 	char dirsyms[12];
    348 	extern char sdir[];
    349 	register char *dsp = dirsyms, *sdp = sdir;
    350 	register struct monst *mtmp;
    351 	register struct rm *lev;
    352 	register int rx, ry, res = 0;
    353 
    354 	if(obj != uwep) {
    355 		if(uwep && uwep->cursed) {
    356 			/* Andreas Bormann - ihnp4!decvax!mcvax!unido!ab */
    357 			pline("Since your weapon is welded to your hand,");
    358 			pline("you cannot use that pick-axe.");
    359 			return(0);
    360 		}
    361 		pline("You now wield %s.", doname(obj));
    362 		setuwep(obj);
    363 		res = 1;
    364 	}
    365 	while(*sdp) {
    366 		(void) movecmd(*sdp);	/* sets u.dx and u.dy and u.dz */
    367 		rx = u.ux + u.dx;
    368 		ry = u.uy + u.dy;
    369 		if(u.dz > 0 || (u.dz == 0 && isok(rx, ry) &&
    370 		    (IS_ROCK(levl[rx][ry].typ)
    371 		    || sobj_at(ENORMOUS_ROCK, rx, ry))))
    372 			*dsp++ = *sdp;
    373 		sdp++;
    374 	}
    375 	*dsp = 0;
    376 	pline("In what direction do you want to dig? [%s] ", dirsyms);
    377 	if(!getdir(0))		/* no txt */
    378 		return(res);
    379 	if(u.uswallow && attack(u.ustuck)) /* return(1) */;
    380 	else
    381 	if(u.dz < 0)
    382 		pline("You cannot reach the ceiling.");
    383 	else
    384 	if(u.dz == 0) {
    385 		if(Confusion)
    386 			confdir();
    387 		rx = u.ux + u.dx;
    388 		ry = u.uy + u.dy;
    389 		if((mtmp = m_at(rx, ry)) && attack(mtmp))
    390 			return(1);
    391 		if(!isok(rx, ry)) {
    392 			pline("Clash!");
    393 			return(1);
    394 		}
    395 		lev = &levl[rx][ry];
    396 		if(lev->typ == DOOR)
    397 			pline("Your %s against the door.",
    398 				aobjnam(obj, "clang"));
    399 		else if(!IS_ROCK(lev->typ)
    400 		     && !sobj_at(ENORMOUS_ROCK, rx, ry)) {
    401 			/* ACCESSIBLE or POOL */
    402 			pline("You swing your %s through thin air.",
    403 				aobjnam(obj, (char *) 0));
    404 		} else {
    405 			if(dig_pos.x != rx || dig_pos.y != ry
    406 			    || dig_level != dlevel || dig_down) {
    407 				dig_down = FALSE;
    408 				dig_pos.x = rx;
    409 				dig_pos.y = ry;
    410 				dig_level = dlevel;
    411 				dig_effort = 0;
    412 				pline("You start digging.");
    413 			} else
    414 				pline("You continue digging.");
    415 #ifdef DGK
    416 			set_occupation(dig, "digging", 0);
    417 #else
    418 			occupation = dig;
    419 			occtxt = "digging";
    420 #endif
    421 		}
    422 	} else if(Levitation) {
    423 		pline("You cannot reach the floor.");
    424 	} else {
    425 		if(dig_pos.x != u.ux || dig_pos.y != u.uy
    426 		    || dig_level != dlevel || !dig_down) {
    427 			dig_down = TRUE;
    428 			dig_pos.x = u.ux;
    429 			dig_pos.y = u.uy;
    430 			dig_level = dlevel;
    431 			dig_effort = 0;
    432 			pline("You start digging in the floor.");
    433 			if(inshop())
    434 				shopdig(0);
    435 		} else
    436 			pline("You continue digging in the floor.");
    437 #ifdef DGK
    438 		set_occupation(dig, "digging", 0);
    439 #else
    440 		occupation = dig;
    441 		occtxt = "digging";
    442 #endif
    443 	}
    444 	return(1);
    445 }