Source:NetHack 2.2a/apply.c
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Below is the full text to apply.c from the source code of NetHack 2.2a. To link to a particular line, write [[NetHack 2.2a/apply.c#line123]], for example.
Warning! This is the source code from an old release. For the latest release, see Source code
Screenshots and source code from Hack are used under the CWI license.
1. /* SCCS Id: @(#)apply.c 2.1 87/09/23 2. /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */ 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. #ifdef KAA 16. extern boolean unweapon; 17. #endif 18. static use_camera(), use_ice_box(), use_whistle(); 19. static use_magic_whistle(), use_pick_axe(); 20. #ifdef MARKER 21. extern int dowrite(); 22. #endif 23. #ifdef RPH 24. static use_mirror(); 25. #endif 26. 27. doapply() { 28. register struct obj *obj; 29. register int res = 1; 30. 31. obj = getobj("(", "use or apply"); 32. if(!obj) return(0); 33. 34. switch(obj->otyp){ 35. case EXPENSIVE_CAMERA: 36. use_camera(obj); break; 37. case ICE_BOX: 38. use_ice_box(obj); break; 39. case PICK_AXE: 40. res = use_pick_axe(obj); 41. break; 42. 43. case MAGIC_WHISTLE: 44. if(pl_character[0] == 'W' || u.ulevel > 9) { 45. use_magic_whistle(obj); 46. break; 47. } 48. /* fall into next case */ 49. case WHISTLE: 50. use_whistle(obj); 51. break; 52. #ifdef RPH 53. case MIRROR: 54. use_mirror(obj); 55. break; 56. #endif 57. #ifdef WALKIES 58. case LEASH: 59. use_leash(obj); 60. break; 61. #endif 62. #ifdef MARKER 63. case MAGIC_MARKER: 64. dowrite(obj); 65. break; 66. #endif 67. case CAN_OPENER: 68. if(!carrying(TIN)) { 69. pline("You have no can to open."); 70. goto xit; 71. } 72. pline("You cannot open a tin without eating its contents."); 73. pline("In order to eat, use the 'e' command."); 74. if(obj != uwep) 75. pline("Opening the tin will be much easier if you wield the can-opener."); 76. goto xit; 77. 78. #ifdef KAA 79. case STETHOSCOPE: 80. res = use_stethoscope(); 81. break; 82. #endif 83. case BLINDFOLD: 84. if (Blindfolded) { 85. Blindfolded = 0; 86. if (!Blinded) Blinded = 1; /* see on next move */ 87. else pline("You still cannot see."); 88. } else { 89. Blindfolded = 1; 90. seeoff(0); 91. } 92. break; 93. default: 94. pline("Sorry, I don't know how to use that."); 95. xit: 96. nomul(0); 97. return(0); 98. } 99. nomul(0); 100. return(res); 101. } 102. 103. /* ARGSUSED */ 104. static 105. use_camera(obj) /* register */ struct obj *obj; { 106. register struct monst *mtmp; 107. if(!getdir(1)){ /* ask: in what direction? */ 108. flags.move = multi = 0; 109. return; 110. } 111. if(u.uswallow) { 112. pline("You take a picture of %s's stomach.", monnam(u.ustuck)); 113. return; 114. } 115. if(u.dz) { 116. pline("You take a picture of the %s.", 117. (u.dz > 0) ? "floor" : "ceiling"); 118. return; 119. } 120. #ifdef KAA 121. if(!u.dx && !u.dy && !u.dz) { 122. if(!Blind) { 123. pline("You are blinded by the flash!"); 124. Blinded += rnd(25); 125. seeoff(0); 126. } 127. return; 128. } 129. #endif 130. if(mtmp = bchit(u.dx, u.dy, COLNO, '!')) { 131. if(mtmp->msleep){ 132. mtmp->msleep = 0; 133. pline("The flash awakens %s.", monnam(mtmp)); /* a3 */ 134. } else 135. if(mtmp->data->mlet != 'y') 136. if(mtmp->mcansee || mtmp->mblinded){ 137. register int tmp = dist(mtmp->mx,mtmp->my); 138. register int tmp2; 139. if(cansee(mtmp->mx,mtmp->my)) 140. pline("%s is blinded by the flash!", Monnam(mtmp)); 141. setmangry(mtmp); 142. if(tmp < 9 && !mtmp->isshk && rn2(4)) { 143. mtmp->mflee = 1; 144. if(rn2(4)) mtmp->mfleetim = rnd(100); 145. } 146. if(tmp < 3) mtmp->mcansee = mtmp->mblinded = 0; 147. else { 148. tmp2 = mtmp->mblinded; 149. tmp2 += rnd(1 + 50/tmp); 150. if(tmp2 > 127) tmp2 = 127; 151. mtmp->mblinded = tmp2; 152. mtmp->mcansee = 0; 153. } 154. } 155. } 156. } 157. 158. #ifdef KAA 159. /* Strictly speaking it makes no sense for usage of a stethoscope to 160. not take any time; however, unless it did, the stethoscope would be 161. almost useless. */ 162. static use_stethoscope() { 163. register struct monst *mtmp; 164. register struct rm *lev; 165. register int rx, ry; 166. if(!freehand()) { 167. pline("You have no free hand!"); 168. return(1); 169. } 170. if (!getdir(1)) { 171. flags.move=multi=0; 172. return(0); 173. } 174. if(u.dz < 0 || (u.dz && Levitation)) { 175. pline("You can't reach the %s!", u.dz<0 ? "ceiling" : "floor"); 176. return(1); 177. } 178. if(u.dz) { 179. pline("The floor seems healthy enough."); 180. return(0); 181. } 182. if (Confusion) confdir(); 183. rx = u.ux + u.dx; ry = u.uy + u.dy; 184. if(u.uswallow) { 185. mstatusline(u.ustuck); 186. return(0); 187. } 188. if(mtmp=m_at(rx,ry)) { 189. mstatusline(mtmp); 190. return(0); 191. } 192. if (!isok(rx,ry)) { 193. pline("You hear the sounds at the end of the universe."); 194. return(0); 195. } 196. lev = &levl[rx][ry]; 197. if(lev->typ == SDOOR) { 198. pline("You hear a hollow sound! This must be a secret door!"); 199. lev->typ = DOOR; 200. atl(rx, ry, DOOR_SYM); 201. return(0); 202. } 203. if(lev->typ == SCORR) { 204. pline("You hear a hollow sound! This must be a secret passage!"); 205. lev->typ = CORR; 206. atl(rx, ry, CORR_SYM); 207. return(0); 208. } 209. pline("You hear nothing special."); 210. return(0); 211. } 212. #endif 213. 214. static 215. struct obj *current_ice_box; /* a local variable of use_ice_box, to be 216. used by its local procedures in/ck_ice_box */ 217. static 218. in_ice_box(obj) register struct obj *obj; { 219. if(obj == current_ice_box || 220. (Punished && (obj == uball || obj == uchain))){ 221. pline("You must be kidding."); 222. return(0); 223. } 224. if(obj->owornmask & (W_ARMOR | W_RING)) { 225. pline("You cannot refrigerate something you are wearing."); 226. return(0); 227. } 228. if(obj->owt + current_ice_box->owt > 70) { 229. pline("It won't fit."); 230. return(1); /* be careful! */ 231. } 232. if(obj == uwep) { 233. if(uwep->cursed) { 234. pline("Your weapon is welded to your hand!"); 235. return(0); 236. } 237. setuwep((struct obj *) 0); 238. } 239. current_ice_box->owt += obj->owt; 240. freeinv(obj); 241. obj->o_cnt_id = current_ice_box->o_id; 242. obj->nobj = fcobj; 243. fcobj = obj; 244. obj->age = moves - obj->age; /* actual age */ 245. return(1); 246. } 247. 248. static 249. ck_ice_box(obj) register struct obj *obj; { 250. return(obj->o_cnt_id == current_ice_box->o_id); 251. } 252. 253. static 254. out_ice_box(obj) register struct obj *obj; { 255. register struct obj *otmp; 256. if(obj == fcobj) fcobj = fcobj->nobj; 257. else { 258. for(otmp = fcobj; otmp->nobj != obj; otmp = otmp->nobj) 259. if(!otmp->nobj) panic("out_ice_box"); 260. otmp->nobj = obj->nobj; 261. } 262. current_ice_box->owt -= obj->owt; 263. obj->age = moves - obj->age; /* simulated point of time */ 264. (void) addinv(obj); 265. } 266. 267. static 268. use_ice_box(obj) register struct obj *obj; { 269. register int cnt = 0; 270. register struct obj *otmp; 271. current_ice_box = obj; /* for use by in/out_ice_box */ 272. for(otmp = fcobj; otmp; otmp = otmp->nobj) 273. if(otmp->o_cnt_id == obj->o_id) 274. cnt++; 275. if(!cnt) pline("Your ice-box is empty."); 276. else { 277. pline("Do you want to take something out of the ice-box? [yn] "); 278. if(readchar() == 'y') 279. if(askchain(fcobj, (char *) 0, 0, out_ice_box, ck_ice_box, 0)) 280. return; 281. pline("That was all. Do you wish to put something in? [yn] "); 282. if(readchar() != 'y') return; 283. } 284. /* call getobj: 0: allow cnt; #: allow all types; %: expect food */ 285. otmp = getobj("0#%", "put in"); 286. if(!otmp || !in_ice_box(otmp)) 287. flags.move = multi = 0; 288. } 289. 290. static 291. struct monst * 292. bchit(ddx,ddy,range,sym) register int ddx,ddy,range; char sym; { 293. register struct monst *mtmp = (struct monst *) 0; 294. register int bchx = u.ux, bchy = u.uy; 295. 296. if(sym) Tmp_at(-1, sym); /* open call */ 297. while(range--) { 298. bchx += ddx; 299. bchy += ddy; 300. if(mtmp = m_at(bchx,bchy)) 301. break; 302. if(!ZAP_POS(levl[bchx][bchy].typ)) { 303. bchx -= ddx; 304. bchy -= ddy; 305. break; 306. } 307. if(sym) Tmp_at(bchx, bchy); 308. } 309. if(sym) Tmp_at(-1, -1); 310. return(mtmp); 311. } 312. 313. /* ARGSUSED */ 314. static 315. use_whistle(obj) struct obj *obj; { 316. register struct monst *mtmp = fmon; 317. pline("You produce a high whistling sound."); 318. while(mtmp) { 319. if(dist(mtmp->mx,mtmp->my) < u.ulevel*20) { 320. if(mtmp->msleep) 321. mtmp->msleep = 0; 322. if(mtmp->mtame) 323. EDOG(mtmp)->whistletime = moves; 324. } 325. mtmp = mtmp->nmon; 326. } 327. } 328. 329. /* ARGSUSED */ 330. static 331. use_magic_whistle(obj) struct obj *obj; { 332. register struct monst *mtmp = fmon; 333. pline("You produce a strange whistling sound."); 334. while(mtmp) { 335. if(mtmp->mtame) mnexto(mtmp); 336. mtmp = mtmp->nmon; 337. } 338. } 339. 340. #ifdef WALKIES 341. /* ARGSUSED */ 342. static 343. use_leash(obj) struct obj *obj; { 344. register struct monst *mtmp = fmon; 345. 346. while(mtmp && !mtmp->mleashed) mtmp = mtmp->nmon; 347. 348. if(mtmp) { 349. 350. if (next_to(mtmp)) { 351. 352. mtmp->mleashed = 0; 353. pline("You remove the leash from your %s.", 354. #ifdef RPH 355. /* a hack to include the dogs full name. +4 elminates */ 356. /* the 'the' at the start of the name */ 357. lmonnam(mtmp) + 4); 358. #else 359. mtmp->data->mname); 360. #endif 361. } else pline("You must be next to your %s to unleash him.", 362. #ifdef RPH 363. lmonnam(mtmp)+4); 364. #else 365. mtmp->data->mname); 366. #endif 367. } else { 368. 369. for(mtmp = fmon; mtmp; mtmp = mtmp->nmon) { 370. 371. if(mtmp->mtame && next_to(mtmp)) { 372. 373. pline("You slip the leash around your %s.", mtmp->data->mname); 374. mtmp->mleashed = 1; 375. if(mtmp->msleep) mtmp->msleep = 0; 376. return(0); 377. } 378. } 379. pline("There's nothing here to put a leash on."); 380. } 381. return(0); 382. } 383. 384. next_to(mtmp) register struct monst *mtmp; { 385. 386. return((abs(u.ux - mtmp->mx) <= 1) && (abs(u.uy - mtmp->my) <= 1)); 387. } 388. #endif 389. 390. static int dig_effort; /* effort expended on current pos */ 391. static uchar dig_level; 392. static coord dig_pos; 393. static boolean dig_down; 394. 395. static 396. dig() { 397. register struct rm *lev; 398. register dpx = dig_pos.x, dpy = dig_pos.y; 399. 400. /* perhaps a nymph stole his pick-axe while he was busy digging */ 401. /* or perhaps he teleported away */ 402. if(u.uswallow || !uwep || uwep->otyp != PICK_AXE || 403. dig_level != dlevel || 404. ((dig_down && (dpx != u.ux || dpy != u.uy)) || 405. (!dig_down && dist(dpx,dpy) > 2))) 406. return(0); 407. 408. dig_effort += 10 + abon() + uwep->spe + rn2(5); 409. if(dig_down) { 410. if(!xdnstair) { 411. pline("The floor here seems too hard to dig in."); 412. return(0); 413. } 414. if(dig_effort > 250) { 415. dighole(); 416. return(0); /* done with digging */ 417. } 418. if(dig_effort > 50) { 419. register struct trap *ttmp = t_at(dpx,dpy); 420. 421. if(!ttmp) { 422. ttmp = maketrap(dpx,dpy,PIT); 423. ttmp->tseen = 1; 424. pline("You have dug a pit."); 425. u.utrap = rn1(4,2); 426. u.utraptype = TT_PIT; 427. return(0); 428. } 429. } 430. } else 431. if(dig_effort > 100) { 432. register char *digtxt; 433. register struct obj *obj; 434. 435. lev = &levl[dpx][dpy]; 436. if(obj = sobj_at(ENORMOUS_ROCK, dpx, dpy)) { 437. fracture_rock(obj); 438. digtxt = "The rock falls apart."; 439. } else if(!lev->typ || lev->typ == SCORR) { 440. lev->typ = CORR; 441. digtxt = "You succeeded in cutting away some rock."; 442. } else if(lev->typ == HWALL || lev->typ == VWALL 443. || lev->typ == SDOOR) { 444. lev->typ = xdnstair ? DOOR : ROOM; 445. digtxt = "You just made an opening in the wall."; 446. } else 447. digtxt = "Now what exactly was it that you were digging in?"; 448. mnewsym(dpx, dpy); 449. prl(dpx, dpy); 450. pline(digtxt); /* after mnewsym & prl */ 451. return(0); 452. } else { 453. if(IS_WALL(levl[dpx][dpy].typ)) { 454. register int rno = inroom(dpx,dpy); 455. 456. if(rno >= 0 && rooms[rno].rtype >= SHOPBASE) { 457. pline("This wall seems too hard to dig into."); 458. return(0); 459. } 460. } 461. pline("You hit the rock with all your might."); 462. } 463. return(1); 464. } 465. 466. /* When will hole be finished? Very rough indication used by shopkeeper. */ 467. holetime() { 468. return( (occupation == dig) ? (250 - dig_effort)/20 : -1); 469. } 470. 471. dighole() 472. { 473. register struct trap *ttmp = t_at(u.ux, u.uy); 474. 475. if(!xdnstair) { 476. pline("The floor here seems too hard to dig in."); 477. } else { 478. if(ttmp) 479. ttmp->ttyp = TRAPDOOR; 480. else 481. ttmp = maketrap(u.ux, u.uy, TRAPDOOR); 482. ttmp->tseen = 1; 483. pline("You've made a hole in the floor."); 484. if(!u.ustuck && !Levitation) { /* KAA */ 485. if(inshop()) 486. shopdig(1); 487. pline("You fall through ..."); 488. if(u.utraptype == TT_PIT) { 489. u.utrap = 0; 490. u.utraptype = 0; 491. } 492. goto_level(dlevel+1, FALSE); 493. } 494. } 495. } 496. 497. static 498. use_pick_axe(obj) 499. struct obj *obj; 500. { 501. char dirsyms[12]; 502. extern char sdir[]; 503. register char *dsp = dirsyms, *sdp = sdir; 504. register struct monst *mtmp; 505. register struct rm *lev; 506. register int rx, ry, res = 0; 507. 508. #ifndef FREEHAND 509. /* edited by GAN 10/20/86 so that you can't apply the 510. * pick-axe while wielding a cursed weapon 511. */ 512. if(!freehand()) { 513. pline("You have no free hand to dig with!"); 514. return(0); 515. } 516. # ifdef KAA 517. if(cantwield(u.usym)) { 518. pline("You can't hold it strongly enough."); 519. return(0); 520. } 521. # endif 522. #else 523. if(obj != uwep) { 524. if(uwep && uwep->cursed) { 525. /* Andreas Bormann - ihnp4!decvax!mcvax!unido!ab */ 526. pline("Since your weapon is welded to your hand,"); 527. pline("you cannot use that pick-axe."); 528. return(0); 529. } 530. # ifdef KAA 531. if(cantwield(u.usym)) { 532. pline("You can't hold it strongly enough."); 533. return(0); 534. } 535. unweapon = TRUE; 536. # endif 537. pline("You now wield %s.", doname(obj)); 538. setuwep(obj); 539. res = 1; 540. } 541. #endif 542. while(*sdp) { 543. (void) movecmd(*sdp); /* sets u.dx and u.dy and u.dz */ 544. rx = u.ux + u.dx; 545. ry = u.uy + u.dy; 546. if(u.dz > 0 || (u.dz == 0 && isok(rx, ry) && 547. (IS_ROCK(levl[rx][ry].typ) 548. || sobj_at(ENORMOUS_ROCK, rx, ry)))) 549. *dsp++ = *sdp; 550. sdp++; 551. } 552. *dsp = 0; 553. pline("In what direction do you want to dig? [%s] ", dirsyms); 554. if(!getdir(0)) /* no txt */ 555. return(res); 556. if(u.uswallow && attack(u.ustuck)) /* return(1) */; 557. else 558. if(u.dz < 0) 559. pline("You cannot reach the ceiling."); 560. else 561. #ifdef KAA 562. if(!u.dx && !u.dy && !u.dz) { 563. pline("You hit yourself with your own pick-axe."); 564. losehp(rnd(2)+dbon(), "self-inflicted wound"); 565. flags.botl=1; 566. return(1); 567. } 568. #endif 569. if(u.dz == 0) { 570. if(Confusion) 571. confdir(); 572. rx = u.ux + u.dx; 573. ry = u.uy + u.dy; 574. if((mtmp = m_at(rx, ry)) && attack(mtmp)) 575. return(1); 576. if(!isok(rx, ry)) { 577. pline("Clash!"); 578. return(1); 579. } 580. lev = &levl[rx][ry]; 581. if(lev->typ == DOOR) 582. pline("Your %s against the door.", 583. aobjnam(obj, "clang")); 584. else if(!IS_ROCK(lev->typ) 585. && !sobj_at(ENORMOUS_ROCK, rx, ry)) { 586. /* ACCESSIBLE or POOL */ 587. pline("You swing your %s through thin air.", 588. aobjnam(obj, (char *) 0)); 589. } else { 590. if(dig_pos.x != rx || dig_pos.y != ry 591. || dig_level != dlevel || dig_down) { 592. dig_down = FALSE; 593. dig_pos.x = rx; 594. dig_pos.y = ry; 595. dig_level = dlevel; 596. dig_effort = 0; 597. pline("You start digging."); 598. } else 599. pline("You continue digging."); 600. #ifdef DGKMOD 601. set_occupation(dig, "digging", 0); 602. #else 603. occupation = dig; 604. occtxt = "digging"; 605. #endif 606. } 607. } else if(Levitation) { 608. pline("You cannot reach the floor."); 609. } else { 610. if(dig_pos.x != u.ux || dig_pos.y != u.uy 611. || dig_level != dlevel || !dig_down) { 612. dig_down = TRUE; 613. dig_pos.x = u.ux; 614. dig_pos.y = u.uy; 615. dig_level = dlevel; 616. dig_effort = 0; 617. pline("You start digging in the floor."); 618. if(inshop()) 619. shopdig(0); 620. } else 621. pline("You continue digging in the floor."); 622. #ifdef DGKMOD 623. set_occupation(dig, "digging", 0); 624. #else 625. occupation = dig; 626. occtxt = "digging"; 627. #endif 628. } 629. return(1); 630. } 631. 632. #ifdef RPH 633. static 634. use_mirror(obj) 635. struct obj *obj; 636. { 637. register struct monst *mtmp; 638. register char mlet; 639. extern mpickobj(), freeinv(), rloc(); 640. 641. if(!getdir(1)){ /* ask: in what direction? */ 642. flags.move = multi = 0; 643. return; 644. } 645. if(u.uswallow) { 646. pline("You reflect %s's stomach.", monnam(u.ustuck)); 647. return; 648. } 649. if(u.dz) { 650. pline("You reflect the %s.", 651. (u.dz > 0) ? "floor" : "ceiling"); 652. return; 653. } 654. if(!u.dx && !u.dy && !u.dz) { 655. if(!Blind) 656. pline ("You look as ugly as ever."); 657. else { 658. if (rn2(4-u.uluck/3) || !HTelepat) 659. pline ("You can't see your ugly face."); 660. else { 661. char *tm, *tl; int ll; 662. if (rn2(4)) { 663. tm = "ugly monster"; 664. ll = dlevel - u.medusa_level; 665. } 666. else { 667. tm = "intelligent being"; 668. ll = dlevel - u.wiz_level; 669. } 670. if (ll < -10) tl = "far below you"; 671. else if (ll < -1) tl = "below you"; 672. else if (ll == -1) tl = "under your feet"; 673. else if (ll == 0) tl = "very close to you"; 674. else if (ll == 1) tl = "above your head"; 675. else if (ll > 10) tl = "far above you"; 676. else tl = "above you"; 677. pline ("You get an impression that an %s lives %s.", 678. tm, tl); 679. } 680. } 681. return; 682. } 683. if(mtmp = bchit(u.dx, u.dy, COLNO, 0)) { 684. mlet = mtmp->data->mlet; 685. if(mtmp->msleep){ 686. pline ("%s is tired and doesn't look at your mirror.", 687. Monnam(mtmp)); 688. mtmp->msleep = 0; 689. } else 690. if (!mtmp->mcansee) { 691. pline("%s can't see anything at the moment.", 692. Monnam(mtmp)); 693. } 694. /* some monsters do special things */ 695. else if (!mtmp->mcan && index("EUN8",mlet)) 696. switch (mlet) { 697. case '8': 698. pline("%s is turned to stone!", Monnam(mtmp)); 699. killed(mtmp); 700. break; 701. case 'E': 702. pline("%s is frozen by its reflection.",Monnam(mtmp)); 703. mtmp->mfroz = 1; 704. break; 705. case 'U': 706. pline ("%s has confused itself!", Monnam(mtmp)); 707. mtmp->mconf = 1; 708. break; 709. case 'N': 710. pline ("%s looks beautiful in your mirror.",Monnam(mtmp)); 711. pline ("She decides to take it!"); 712. freeinv(obj); 713. mpickobj(mtmp,obj); 714. rloc(mtmp); 715. break; 716. default: 717. break; 718. } 719. else if (mlet == 'V' || mlet == '&') 720. pline ("%s doesn't seem to reflect anything.", Monnam(mtmp)); 721. else if (!index("agquv1N", mlet) && rn2(5)) { 722. pline ("%s is frightened by its reflection.", 723. Monnam(mtmp)); 724. mtmp->mflee = 1; 725. mtmp->mfleetim += d(2,4); 726. } 727. else 728. pline ("%s doesn't seem to mind %s refection.", 729. Monnam(mtmp), 730. (mlet=='1'?"his":(mlet=='N'?"her":"its"))); 731. }/* if monster hit with mirror */ 732. }/* use_mirror */ 733. 734. #endif
