Source:NetHack 1.4f/apply.c

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

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. }