Source:NetHack 2.3e/potion.c
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Below is the full text to potion.c from the source code of NetHack 2.3e.
Warning! This is the source code from an old release. For newer releases, see Source code
Screenshots and source code from Hack are used under the CWI license.
1. /* SCCS Id: @(#)potion.c 2.3 88/02/11 2. /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */ 3. 4. #include "hack.h" 5. extern int float_down(); 6. extern char *nomovemsg; 7. extern struct monst youmonst; 8. extern struct monst *makemon(); 9. char *hcolor(); 10. #ifdef KAA 11. char *xname(); 12. extern char pl_character[]; 13. #endif 14. #ifdef FOUNTAINS 15. extern int drinkfountain(); 16. extern int dipfountain(); 17. #endif 18. 19. int nothing, unkn; 20. 21. dodrink() { 22. register struct obj *otmp; 23. register int retval; 24. 25. #ifdef FOUNTAINS 26. 27. /* Is there something to drink here, i.e., a fountain? */ 28. if (IS_FOUNTAIN(levl[u.ux][u.uy].typ)) { 29. pline("Drink from the fountain? [ny] "); 30. if(readchar() == 'y') { 31. (void) drinkfountain(); 32. return(0); 33. } 34. } 35. 36. #endif /* FOUNTAINS /**/ 37. 38. nothing = unkn = 0; 39. otmp = getobj("!", "drink"); 40. if(!otmp) return(0); 41. if(!strcmp(objects[otmp->otyp].oc_descr, "smoky") && !rn2(13)) { 42. ghost_from_bottle(); 43. goto use_it; 44. } 45. if(!strcmp(objects[otmp->otyp].oc_descr, "glowing") && !rn2(13)) { 46. djinni_from_bottle(); 47. goto use_it; 48. } 49. if((retval = peffects(otmp)) >= 0) return(retval); 50. 51. if(nothing) { 52. unkn++; 53. pline("You have a %s feeling for a moment, then it passes.", 54. Hallucination ? "normal" : "peculiar"); 55. } 56. if(otmp->dknown && !objects[otmp->otyp].oc_name_known) { 57. if(!unkn) { 58. objects[otmp->otyp].oc_name_known = 1; 59. more_experienced(0,10); 60. } else if(!objects[otmp->otyp].oc_uname) 61. docall(otmp); 62. } 63. use_it: 64. useup(otmp); 65. return(1); 66. } 67. 68. peffects(otmp) 69. register struct obj *otmp; 70. { 71. register struct obj *objs; 72. register struct monst *mtmp; 73. 74. switch(otmp->otyp){ 75. case POT_RESTORE_STRENGTH: 76. #ifdef SPELLS 77. case SPE_RESTORE_STRENGTH: 78. #endif 79. unkn++; 80. pline("Wow! This makes you feel great!"); 81. if(u.ustr < u.ustrmax) { 82. u.ustr = u.ustrmax; 83. flags.botl = 1; 84. } 85. break; 86. #ifdef KAA 87. case POT_HALLUCINATION: 88. if (Hallucination) nothing++; 89. else pline("Oh wow! Everything looks so cosmic!"); 90. Hallucination += rn1(100,750); 91. setsee(); 92. break; 93. case POT_HOLY_WATER: 94. unkn++; 95. if(index("VWZ&",u.usym)) { 96. pline("This burns like acid!"); 97. /* should never kill you, but... */ 98. losehp(d(2,6), "potion of holy water"); 99. } else { 100. pline("You feel full of awe."); 101. if (Sick) Sick=0; 102. if (HConfusion) HConfusion=0; 103. } 104. #else 105. case POT_HOLY_WATER: 106. case POT_HALLUCINATION: 107. #endif 108. break; 109. case POT_BOOZE: 110. unkn++; 111. pline("Ooph! This tastes like liquid fire!"); 112. HConfusion += d(3,8); 113. /* the whiskey makes us feel better */ 114. if(u.uhp < u.uhpmax) losehp(-1, "bottle of whiskey"); 115. if(!rn2(4)) { 116. pline("You pass out."); 117. multi = -rnd(15); 118. nomovemsg = "You awake with a headache."; 119. } 120. break; 121. case POT_INVISIBILITY: 122. #ifdef SPELLS 123. case SPE_INVISIBILITY: 124. #endif 125. if(Invis || See_invisible) 126. nothing++; 127. else { 128. if(!Blind) 129. pline("Gee! All of a sudden, you can't see yourself."); 130. else 131. pline("You feel rather airy."), unkn++; 132. newsym(u.ux,u.uy); 133. } 134. HInvis += rn1(15,31); 135. break; 136. case POT_FRUIT_JUICE: 137. pline("This tastes like fruit juice."); 138. lesshungry(20); 139. break; 140. case POT_HEALING: 141. pline("You begin to feel better."); 142. healup(rnd(10), 1, 1, 1); 143. break; 144. case POT_PARALYSIS: 145. if(Levitation) 146. pline("You are motionlessly suspended."); 147. else 148. pline("Your feet are frozen to the floor!"); 149. nomul(-(rn1(10,25))); 150. break; 151. case POT_MONSTER_DETECTION: 152. #ifdef SPELLS 153. case SPE_DETECT_MONSTERS: 154. #endif 155. if(!fmon) { 156. strange_feeling(otmp, "You feel threatened."); 157. return(1); 158. } else { 159. cls(); 160. for(mtmp = fmon; mtmp; mtmp = mtmp->nmon) 161. if(mtmp->mx > 0) 162. at(mtmp->mx,mtmp->my,Hallucination ? rndmonsym() : 163. mtmp->data->mlet); 164. prme(); 165. pline("You sense the presence of monsters."); 166. more(); 167. docrt(); 168. } 169. break; 170. case POT_OBJECT_DETECTION: 171. #ifdef SPELLS 172. case SPE_DETECT_TREASURE: 173. #endif 174. if(!fobj) { 175. strange_feeling(otmp, "You feel a pull downward."); 176. return(1); 177. } else { 178. for(objs = fobj; objs; objs = objs->nobj) 179. if(objs->ox != u.ux || objs->oy != u.uy) 180. goto outobjmap; 181. pline("You sense the presence of objects close nearby."); 182. break; 183. outobjmap: 184. cls(); 185. for(objs = fobj; objs; objs = objs->nobj) 186. at(objs->ox,objs->oy,Hallucination ? rndobjsym() 187. : objs->olet); 188. 189. /* monster possessions added by GAN 12/16/86 */ 190. for(mtmp = fmon ; mtmp ; mtmp = mtmp->nmon) 191. if(mtmp->minvent) 192. for(objs = mtmp->minvent; objs ; 193. objs = objs->nobj) 194. at(mtmp->mx,mtmp->my,objs->olet); 195. prme(); 196. pline("You sense the presence of objects."); 197. more(); 198. docrt(); 199. } 200. break; 201. case POT_SICKNESS: 202. pline("Yech! This stuff tastes like poison."); 203. if(Poison_resistance) 204. pline("(But in fact it was biologically contaminated orange juice.)"); 205. #ifdef KAA 206. if (pl_character[0] == 'H') 207. pline("Fortunately you have been immunized!"); 208. else { 209. #endif 210. losestr((Poison_resistance) ? 1 : rn1(4,3)); 211. if(!Poison_resistance) 212. losehp(rnd(10), "contaminated potion"); 213. #ifdef KAA 214. } 215. #endif 216. if(Hallucination) { 217. pline("You are shocked back to your senses!"); 218. Hallucination=1; 219. } 220. break; 221. case POT_CONFUSION: 222. if(!Confusion) 223. if (Hallucination) { 224. pline("What a trippy feeling!"); 225. unkn++; 226. } else 227. pline("Huh, What? Where am I?"); 228. else nothing++; 229. HConfusion += rn1(7,16); 230. break; 231. case POT_GAIN_STRENGTH: 232. pline("Wow do you feel strong!"); 233. gainstr(0); 234. break; 235. case POT_SPEED: 236. if(Wounded_legs) { 237. heal_legs(); 238. unkn++; 239. break; 240. } /* and fall through */ 241. #ifdef SPELLS 242. case SPE_HASTE_SELF: 243. #endif 244. if(!(Fast & ~INTRINSIC)) 245. pline("You are suddenly moving much faster."); 246. else 247. pline("Your legs get new energy."), unkn++; 248. Fast += rn1(10,100); 249. break; 250. case POT_BLINDNESS: 251. if(!Blind) 252. if (Hallucination) 253. pline("Bummer! Everything is dark! Help!"); 254. else 255. pline("A cloud of darkness falls upon you."); 256. else nothing++; 257. Blinded += rn1(100,250); 258. seeoff(0); 259. break; 260. case POT_GAIN_LEVEL: 261. pluslvl(); 262. break; 263. case POT_EXTRA_HEALING: 264. pline("You feel much better."); 265. healup(d(2,20)+1, 2, 1, 1); 266. if(Hallucination) Hallucination = 1; 267. break; 268. case POT_LEVITATION: 269. #ifdef SPELLS 270. case SPE_LEVITATION: 271. #endif 272. if(!Levitation) 273. float_up(); 274. else 275. nothing++; 276. Levitation += rnd(100); 277. u.uprops[PROP(RIN_LEVITATION)].p_tofn = float_down; 278. break; 279. case POT_GAIN_ENERGY: /* M. Stephenson */ 280. #ifdef SPELLS 281. { register int num; 282. if(Confusion) { 283. pline("You feel feverish."); 284. unkn++; 285. } else 286. pline("Magical energies course through your body."); 287. num = rnd(5) + 1; 288. u.uenmax += num; 289. u.uen += num; 290. flags.botl = 1; 291. break; 292. } 293. #else 294. pline("This potion tastes weird!"); 295. break; 296. #endif 297. default: 298. impossible("What a funny potion! (%u)", otmp->otyp); 299. return(0); 300. } 301. return(-1); 302. } 303. 304. healup(nhp, nxtra, curesick, cureblind) 305. int nhp, nxtra; 306. register boolean curesick, cureblind; 307. { 308. #ifdef KAA 309. if (u.mtimedone & nhp) { 310. u.mh += rnd(nhp); 311. if (u.mh > u.mhmax) u.mh = (u.mhmax + nxtra); 312. } 313. #endif 314. if(nhp) { 315. u.uhp += nhp; 316. if(u.uhp > u.uhpmax) u.uhp = (u.uhpmax += nxtra); 317. } 318. if(Blind && cureblind) Blinded = 1; /* see on next move */ 319. if(Sick && curesick) Sick = 0; 320. flags.botl = 1; 321. return; 322. } 323. 324. pluslvl() 325. { 326. register num; 327. 328. pline("You feel more experienced."); 329. num = rnd(10); 330. u.uhpmax += num; 331. u.uhp += num; 332. #ifdef SPELLS 333. num = rnd(u.ulevel/2+1) + 1; /* M. Stephenson */ 334. u.uenmax += num; 335. u.uen += num; 336. #endif 337. if(u.ulevel < 14) { 338. extern long newuexp(); 339. 340. u.uexp = newuexp()+1; 341. pline("Welcome to experience level %u.", ++u.ulevel); 342. } 343. flags.botl = 1; 344. } 345. 346. strange_feeling(obj,txt) 347. register struct obj *obj; 348. register char *txt; 349. { 350. if(flags.beginner) 351. pline("You have a %s feeling for a moment, then it passes.", 352. Hallucination ? "normal" : "strange"); 353. else 354. pline(txt); 355. if(!objects[obj->otyp].oc_name_known && !objects[obj->otyp].oc_uname) 356. docall(obj); 357. useup(obj); 358. } 359. 360. char *bottlenames[] = { 361. "bottle", "phial", "flagon", "carafe", "flask", "jar", "vial" 362. }; 363. 364. potionhit(mon, obj) 365. register struct monst *mon; 366. register struct obj *obj; 367. { 368. extern char *xname(); 369. register char *botlnam = bottlenames[rn2(SIZE(bottlenames))]; 370. boolean uclose, isyou = (mon == &youmonst); 371. 372. if(isyou) { 373. uclose = TRUE; 374. pline("The %s crashes on your head and breaks into shivers.", 375. botlnam); 376. losehp(rnd(2), "thrown potion"); 377. } else { 378. uclose = (dist(mon->mx,mon->my) < 3); 379. /* perhaps 'E' and 'a' have no head? */ 380. pline("The %s crashes on %s's head and breaks into shivers.", 381. botlnam, monnam(mon)); 382. if(rn2(5) && mon->mhp > 1) 383. mon->mhp--; 384. } 385. pline("The %s evaporates.", xname(obj)); 386. 387. #ifdef KAA 388. if(!isyou) switch (obj->otyp) { 389. #else 390. if(!isyou && !rn2(3)) switch(obj->otyp) { 391. #endif 392. 393. case POT_RESTORE_STRENGTH: 394. case POT_GAIN_STRENGTH: 395. case POT_HEALING: 396. case POT_EXTRA_HEALING: 397. if(mon->mhp < mon->mhpmax) { 398. mon->mhp = mon->mhpmax; 399. pline("%s looks sound and hale again!", Monnam(mon)); 400. } 401. break; 402. case POT_SICKNESS: 403. if((mon->mhpmax > 3) && !resist(mon, '!', 0, NOTELL)) 404. mon->mhpmax /= 2; 405. if((mon->mhp > 2) && !resist(mon, '!', 0, NOTELL)) 406. mon->mhp /= 2; 407. #ifdef KAA 408. pline("%s looks rather ill.", Monnam(mon)); 409. #endif 410. break; 411. case POT_CONFUSION: 412. case POT_BOOZE: 413. if(!resist(mon, '!', 0, NOTELL)) mon->mconf = 1; 414. break; 415. case POT_INVISIBILITY: 416. unpmon(mon); 417. mon->minvis = 1; 418. pmon(mon); 419. break; 420. case POT_PARALYSIS: 421. mon->mfroz = 1; 422. break; 423. case POT_SPEED: 424. mon->mspeed = MFAST; 425. break; 426. case POT_BLINDNESS: 427. mon->mblinded |= 64 + rn2(32) + 428. rn2(32) * !resist(mon, '!', 0, NOTELL); 429. break; 430. #ifdef KAA 431. case POT_HOLY_WATER: 432. if (index("ZVW &", mon->data->mlet)) { 433. pline("%s shrieks in pain!", Monnam(mon)); 434. mon->mhp -= d(2,6); 435. if (mon->mhp <1) killed(mon); 436. } 437. break; 438. #endif 439. /* 440. case POT_GAIN_LEVEL: 441. case POT_LEVITATION: 442. case POT_FRUIT_JUICE: 443. case POT_MONSTER_DETECTION: 444. case POT_OBJECT_DETECTION: 445. break; 446. */ 447. } 448. if(uclose && rn2(5)) 449. potionbreathe(obj); 450. obfree(obj, Null(obj)); 451. } 452. 453. potionbreathe(obj) 454. register struct obj *obj; 455. { 456. switch(obj->otyp) { 457. case POT_RESTORE_STRENGTH: 458. case POT_GAIN_STRENGTH: 459. if(u.ustr < u.ustrmax) u.ustr++, flags.botl = 1; 460. break; 461. case POT_HEALING: 462. case POT_EXTRA_HEALING: 463. if(u.uhp < u.uhpmax) u.uhp++, flags.botl = 1; 464. break; 465. case POT_SICKNESS: 466. if(u.uhp <= 5) u.uhp = 1; else u.uhp -= 5; 467. flags.botl = 1; 468. break; 469. case POT_HALLUCINATION: 470. #ifdef KAA 471. pline("You have a vision for a moment."); 472. break; 473. #endif 474. case POT_CONFUSION: 475. case POT_BOOZE: 476. if(!Confusion) 477. pline("You feel somewhat dizzy."); 478. HConfusion += rnd(5); 479. break; 480. case POT_INVISIBILITY: 481. pline("For an instant you could see through yourself!"); 482. break; 483. case POT_PARALYSIS: 484. pline("Something seems to be holding you."); 485. nomul(-rnd(5)); 486. break; 487. case POT_SPEED: 488. Fast += rnd(5); 489. pline("Your knees seem more flexible now."); 490. break; 491. case POT_BLINDNESS: 492. if(!Blind) pline("It suddenly gets dark."); 493. Blinded += rnd(5); 494. seeoff(0); 495. break; 496. /* 497. case POT_GAIN_LEVEL: 498. case POT_LEVITATION: 499. case POT_FRUIT_JUICE: 500. case POT_MONSTER_DETECTION: 501. case POT_OBJECT_DETECTION: 502. break; 503. */ 504. } 505. /* note: no obfree() */ 506. } 507. 508. /* 509. * -- rudimentary -- to do this correctly requires much more work 510. * -- all sharp weapons get one or more qualities derived from the potions 511. * -- texts on scrolls may be (partially) wiped out; do they become blank? 512. * -- or does their effect change, like under Confusion? 513. * -- all objects may be made invisible by POT_INVISIBILITY 514. * -- If the flask is small, can one dip a large object? Does it magically 515. * -- become a jug? Etc. 516. */ 517. dodip(){ 518. register struct obj *potion, *obj; 519. #ifdef KAA 520. char *tmp; 521. #endif 522. 523. if(!(obj = getobj("#", "dip"))) 524. return(0); 525. #ifdef FOUNTAINS 526. /* Is there something to dip into here, i.e., a fountain? */ 527. if (levl[u.ux][u.uy].typ == FOUNTAIN) { 528. pline("Dip it in the fountain? [ny] "); 529. if(readchar() == 'y') { 530. dipfountain(obj); 531. return(1); 532. } 533. } 534. #endif 535. if(!(potion = getobj("!", "dip into"))) 536. return(0); 537. #ifndef KAA 538. pline("Interesting..."); 539. #else 540. if(potion->otyp == POT_HOLY_WATER) { 541. if (obj->cursed) { 542. obj->cursed=0; 543. pline("Your %s %s.", aobjnam(obj,"softly glow"), 544. Hallucination ? hcolor() : "amber"); 545. poof: useup(potion); 546. return(1); 547. } else if(obj->otyp >= ARROW && obj->otyp <= SPEAR) { 548. obj->dknown=1; 549. tmp = Hallucination ? hcolor() : "light blue"; 550. /* dknown for weapons is meaningless, so it's free to be reused. */ 551. pline("Your %s with a%s %s aura.", aobjnam(obj,"softly glow"), 552. index("aeiou",*tmp) ? "n" : "", tmp); 553. goto poof; 554. } 555. } 556. #endif 557. if(obj->otyp == ARROW || obj->otyp == DART || 558. obj->otyp == CROSSBOW_BOLT || obj->otyp == SHURIKEN) { 559. if(potion->otyp == POT_SICKNESS) { 560. char buf[BUFSZ]; 561. useup(potion); 562. if(obj->spe < 7) obj->spe++; /* %% */ 563. sprintf(buf, xname(potion)); 564. pline("The %s forms a coating on the %s.", 565. buf, xname(obj)); 566. } 567. } 568. #ifdef HARD 569. else if (!rn2(4)) useup(potion); 570. #endif 571. #ifdef KAA 572. pline("Interesting..."); 573. #endif 574. return(1); 575. } 576. 577. ghost_from_bottle(){ 578. extern struct permonst pm_ghost; 579. register struct monst *mtmp; 580. 581. if(!(mtmp = makemon(PM_GHOST,u.ux,u.uy))){ 582. pline("This bottle turns out to be empty."); 583. return; 584. } 585. mnexto(mtmp); 586. pline("As you open the bottle, an enormous ghost emerges!"); 587. pline("You are frightened to death, and unable to move."); 588. nomul(-3); 589. } 590. 591. djinni_from_bottle(){ 592. extern struct permonst pm_djinni; 593. register struct monst *mtmp; 594. 595. if(!(mtmp = makemon(PM_DJINNI,u.ux,u.uy))){ 596. pline("It turns out to be empty."); 597. return; 598. } 599. 600. mtmp->isdjinni = 1; 601. mnexto(mtmp); 602. if (!Blind) { 603. pline("In a cloud of smoke, a djinni emerges!"); 604. pline("%s speaks.", Monnam(mtmp)); 605. } else { 606. pline("You smell fumes!"); 607. pline("Something speaks."); 608. } 609. 610. switch (rn2(5)) { 611. case 0 : pline("'I am in your debt. I will grant one wish!'"); 612. makewish(); 613. mondied(mtmp); 614. break; 615. case 1 : pline("'Thank you for freeing me!'"); 616. tamedog(mtmp, (struct obj *) 0); 617. break; 618. case 2 : pline("'You freed me!'"); 619. mtmp->mpeaceful = 1; 620. break; 621. case 3 : pline("'It is about time!'"); 622. pline("The djinni vanishes!"); 623. mondied(mtmp); 624. break; 625. default: pline("You disturbed me fool!"); 626. break; 627. } 628. } 629. 630. gainstr(inc) 631. register int inc; 632. { 633. if (inc) u.ustr++; 634. else { 635. if (u.ustr < 18) u.ustr += (rn2(4) ? 1 : rnd(6) ); 636. else if (u.ustr < 103) u.ustr += rnd(10); 637. else u.ustr++; 638. } 639. 640. if(u.ustr > 118) u.ustr = 118; 641. if(u.ustr > u.ustrmax) u.ustrmax = u.ustr; 642. flags.botl = 1; 643. }
