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Latest revision as of 06:57, 4 March 2008
Below is the full text to muse.c from the source code of NetHack 3.1.0. To link to a particular line, write [[NetHack 3.1.0/muse.c#line123]], for example.
Warning! This is the source code from an old release. For the latest release, see Source code
The NetHack General Public License applies to screenshots, source code and other content from NetHack.
This content was modified from the original NetHack source code distribution (by splitting up NetHack content between wiki pages, and possibly further editing). See the page history for a list of who changed it, and on what dates.
1. /* SCCS Id: @(#)muse.c 3.1 93/01/03 */ 2. /* Monster item usage routine. Copyright (C) 1990 by Ken Arromdee */ 3. /* NetHack may be freely redistributed. See license for details. */ 4. 5. #include "hack.h" 6. 7. #ifdef MUSE 8. 9. extern int monstr[]; 10. 11. boolean m_using = FALSE; 12. 13. /* Let monsters use magic items. Arbitrary assumptions: Monsters only use 14. * scrolls when they can see, monsters know when wands have 0 charges, monsters 15. * cannot recognize if items are cursed are not, monsters which are confused 16. * don't know not to read scrolls, etc.... 17. */ 18. 19. static int FDECL(precheck, (struct monst *,struct obj *)); 20. static void FDECL(mzapmsg, (struct monst *,struct obj *,BOOLEAN_P)); 21. static void FDECL(mreadmsg, (struct monst *,struct obj *)); 22. static void FDECL(mquaffmsg, (struct monst *,struct obj *)); 23. static int FDECL(mbhitm, (struct monst *,struct obj *)); 24. static void FDECL(mbhit, 25. (struct monst *,int,int FDECL((*),(MONST_P,OBJ_P)), 26. int FDECL((*),(OBJ_P,OBJ_P)),struct obj *)); 27. static void FDECL(you_aggravate, (struct monst *)); 28. 29. static struct musable { 30. struct obj *offensive; 31. struct obj *defensive; 32. struct obj *misc; 33. int has_offense, has_defense, has_misc; 34. /* =0, no capability; otherwise, different numbers. 35. * If it's an object, the object is also set (it's 0 otherwise). 36. */ 37. } m; 38. static int trapx, trapy; 39. static boolean zap_oseen; 40. /* for wands which use mbhitm and are zapped at players. We usually 41. * want an oseen local to the function, but this is impossible since the 42. * function mbhitm has to be compatible with the normal zap routines, 43. * and those routines don't remember who zapped the wand. 44. */ 45. 46. /* Any preliminary checks which may result in the monster being unable to use 47. * the item. Returns 0 if nothing happened, 2 if the monster can't do anything 48. * (i.e. it teleported) and 1 if it's dead. 49. */ 50. static int 51. precheck(mon, obj) 52. struct monst *mon; 53. struct obj *obj; 54. { 55. boolean vis = cansee(mon->mx, mon->my); 56. 57. if (!obj) return 0; 58. if (obj->oclass == POTION_CLASS) { 59. coord cc; 60. static const char *empty = "The potion turns out to be empty."; 61. const char * potion_descr ; 62. struct monst *mtmp; 63. 64. potion_descr = OBJ_DESCR(objects[obj->otyp]); 65. if (!strcmp(potion_descr, "milky") && !rn2(13)) { 66. if (!enexto(&cc, mon->mx, mon->my, &mons[PM_GHOST])) return 0; 67. mquaffmsg(mon, obj); 68. m_useup(mon, obj); 69. mtmp = makemon(&mons[PM_GHOST], cc.x, cc.y); 70. if (!mtmp) { 71. if (vis) pline(empty); 72. } else { 73. if (vis) { 74. pline("As %s opens the bottle, an enormous %s emerges!", 75. mon_nam(mon), 76. Hallucination ? rndmonnam() : (const char *)"ghost"); 77. pline("%s is frightened to death, and unable to move.", 78. Monnam(mon)); 79. } 80. mon->mcanmove = 0; 81. mon->mfrozen = 3; 82. } 83. return 2; 84. } 85. if (!strcmp(potion_descr, "smoky") && !rn2(13)) { 86. if (!enexto(&cc, mon->mx, mon->my, &mons[PM_DJINNI])) return 0; 87. mquaffmsg(mon, obj); 88. m_useup(mon, obj); 89. mtmp = makemon(&mons[PM_DJINNI], cc.x, cc.y); 90. if (!mtmp) { 91. if (vis) pline(empty); 92. } else { 93. if (vis) 94. pline("In a cloud of smoke, %s emerges!", 95. a_monnam(mtmp)); 96. pline("%s speaks.", vis ? Monnam(mtmp) : "Something"); 97. /* I suspect few players will be upset that monsters */ 98. /* can't wish for wands of death here.... */ 99. if (rn2(2)) { 100. verbalize("You freed me!"); 101. mtmp->mpeaceful = 1; 102. set_malign(mtmp); 103. } else { 104. verbalize("It is about time."); 105. if (vis) pline("%s vanishes.", Monnam(mtmp)); 106. mongone(mtmp); 107. } 108. } 109. return 2; 110. } 111. } 112. if (obj->oclass == WAND_CLASS && obj->cursed && !rn2(100)) { 113. int dam = d(obj->spe+2, 6); 114. 115. #ifdef SOUNDS 116. if (flags.soundok) 117. #endif 118. { 119. if (vis) pline("%s zaps %s, which suddenly explodes!", 120. Monnam(mon), an(xname(obj))); 121. else You("hear a zap and an explosion in the distance."); 122. } 123. m_useup(mon, obj); 124. if (mon->mhp <= dam) { 125. monkilled(mon, "", AD_RBRE); 126. return 1; 127. } 128. else mon->mhp -= dam; 129. m.has_defense = m.has_offense = m.has_misc = 0; 130. /* Only one needed to be set to 0 but the others are harmless */ 131. } 132. return 0; 133. } 134. 135. static void 136. mzapmsg(mtmp, otmp, self) 137. struct monst *mtmp; 138. struct obj *otmp; 139. boolean self; 140. { 141. if (!cansee(mtmp->mx, mtmp->my)) { 142. #ifdef SOUNDS 143. if (flags.soundok) 144. #endif 145. You("hear a distant zap."); 146. } else if (self) 147. pline("%s zaps %sself with %s!", 148. Monnam(mtmp), 149. gender(mtmp)==2 ? "it" : gender(mtmp) ? "her" : "him", 150. doname(otmp)); 151. else { 152. pline("%s zaps %s!", Monnam(mtmp), an(xname(otmp))); 153. stop_occupation(); 154. } 155. } 156. 157. static void 158. mreadmsg(mtmp, otmp) 159. struct monst *mtmp; 160. struct obj *otmp; 161. { 162. boolean vis = (cansee(mtmp->mx, mtmp->my)); 163. #ifdef SOUNDS 164. if (flags.soundok) 165. #endif 166. otmp->dknown = 1; 167. if (!vis) { 168. #ifdef SOUNDS 169. if (flags.soundok) 170. #endif 171. You("hear %s reading %s.", 172. an(Hallucination ? rndmonnam() : mtmp->data->mname), 173. singular(otmp, doname)); 174. } else pline("%s reads %s!", Monnam(mtmp), singular(otmp,doname)); 175. if (mtmp->mconf 176. #ifdef SOUNDS 177. && (vis || flags.soundok) 178. #endif 179. ) 180. pline("Being confused, %s mispronounces the magic words...", 181. vis ? mon_nam(mtmp) : gender(mtmp)==2 ? "it" : 182. gender(mtmp) ? "he" : "she"); 183. } 184. 185. static void 186. mquaffmsg(mtmp, otmp) 187. struct monst *mtmp; 188. struct obj *otmp; 189. { 190. if (cansee(mtmp->mx, mtmp->my)) { 191. otmp->dknown = 1; 192. pline("%s drinks %s!", Monnam(mtmp), singular(otmp, doname)); 193. } else 194. #ifdef SOUNDS 195. if (flags.soundok) 196. #endif 197. You("hear a chugging sound."); 198. } 199. 200. /* Defines for various types of stuff. The order in which monsters prefer 201. * to use them is determined by the order of the code logic, not the 202. * numerical order in which they are defined. 203. */ 204. #define MUSE_SCR_TELEPORTATION 1 205. #define MUSE_WAN_TELEPORTATION_SELF 2 206. #define MUSE_POT_HEALING 3 207. #define MUSE_POT_EXTRA_HEALING 4 208. #define MUSE_WAN_DIGGING 5 209. #define MUSE_TRAPDOOR 6 210. #define MUSE_TELEPORT_TRAP 7 211. #define MUSE_UPSTAIRS 8 212. #define MUSE_DOWNSTAIRS 9 213. #define MUSE_WAN_CREATE_MONSTER 10 214. #define MUSE_SCR_CREATE_MONSTER 11 215. #define MUSE_UP_LADDER 12 216. #define MUSE_DN_LADDER 13 217. #define MUSE_SSTAIRS 14 218. #define MUSE_WAN_TELEPORTATION 15 219. #ifdef ARMY 220. # define MUSE_BUGLE 16 221. #endif 222. /* 223. #define MUSE_INNATE_TPT 9999 224. * We cannot use this. Since monsters get unlimited teleportation, if they 225. * were allowed to teleport at will you could never catch them. Instead, 226. * assume they only teleport at random times, despite the inconsistency that if 227. * you polymorph into one you teleport at will. 228. */ 229. 230. /* Select a defensive item/action for a monster. Returns TRUE iff one is 231. * found. 232. */ 233. boolean 234. find_defensive(mtmp) 235. struct monst *mtmp; 236. { 237. register struct obj *obj; 238. struct trap *t; 239. int x=mtmp->mx, y=mtmp->my; 240. boolean stuck = (mtmp == u.ustuck); 241. boolean immobile = (mtmp->data->mmove == 0); 242. 243. if (mtmp->mpeaceful || is_animal(mtmp->data) || mindless(mtmp->data)) 244. return 0; 245. if (u.uswallow && stuck) return 0; 246. if(dist2(x, y, mtmp->mux, mtmp->muy) > 25) 247. return 0; 248. if(mtmp->mhp >= mtmp->mhpmax || 249. (mtmp->mhp >= 10 && mtmp->mhp*5 >= mtmp->mhpmax)) 250. return 0; 251. 252. m.defensive = (struct obj *)0; 253. m.has_defense = 0; 254. 255. if (levl[x][y].typ == STAIRS && !stuck && !immobile) { 256. if (x == xdnstair && y == ydnstair) 257. m.has_defense = MUSE_DOWNSTAIRS; 258. if (x == xupstair && y == yupstair && ledger_no(&u.uz) != 1) 259. /* Unfair to let the monsters leave the dungeon with the Amulet */ 260. /* (or go to the endlevel since you also need it, to get there) */ 261. m.has_defense = MUSE_UPSTAIRS; 262. } else if (levl[x][y].typ == LADDER && !stuck && !immobile) { 263. if (x == xupladder && y == yupladder) 264. m.has_defense = MUSE_UP_LADDER; 265. if (x == xdnladder && y == ydnladder) 266. m.has_defense = MUSE_DN_LADDER; 267. } else if (sstairs.sx && 268. sstairs.sx == mtmp->mx && sstairs.sy == mtmp->my) { 269. m.has_defense = MUSE_SSTAIRS; 270. } else if (!stuck && !immobile) { 271. /* Note: trapdoors take precedence over teleport traps. */ 272. int xx, yy; 273. 274. for(xx = x-1; xx <= x+1; xx++) for(yy = y-1; yy <= y+1; yy++) 275. if (isok(xx,yy)) 276. if (xx != u.ux && yy != u.uy) 277. if (mtmp->data != &mons[PM_GRID_BUG] || xx == x || yy == y) 278. if ((xx==x && yy==y) || !level.monsters[xx][yy]) 279. if ((t = t_at(xx,yy)) != 0) { 280. if (t->ttyp == TRAPDOOR 281. && !is_floater(mtmp->data) 282. && !mtmp->isshk && !mtmp->isgd 283. && !mtmp->ispriest 284. && Can_fall_thru(&u.uz) 285. ) { 286. trapx = xx; 287. trapy = yy; 288. m.has_defense = MUSE_TRAPDOOR; 289. } else if (t->ttyp == TELEP_TRAP && m.has_defense != MUSE_TRAPDOOR) { 290. trapx = xx; 291. trapy = yy; 292. m.has_defense = MUSE_TELEPORT_TRAP; 293. } 294. } 295. } 296. 297. if (nohands(mtmp->data)) /* can't use objects */ 298. goto botm; 299. 300. #ifdef ARMY 301. if (is_mercenary(mtmp->data) && (obj = m_carrying(mtmp, BUGLE))) { 302. int xx, yy; 303. struct monst *mon; 304. 305. /* Distance is arbitrary. What we really want to do is 306. * have the soldier play the bugle when it sees or 307. * remembers soldiers nearby... 308. */ 309. for(xx = x-3; xx <= x+3; xx++) for(yy = y-3; yy <= y+3; yy++) 310. if (isok(xx,yy)) 311. if ((mon = m_at(xx,yy)) && is_mercenary(mon->data) && 312. mon->data != &mons[PM_GUARD] && 313. (mon->msleep || (!mon->mcanmove))) { 314. m.defensive = obj; 315. m.has_defense = MUSE_BUGLE; 316. } 317. } 318. #endif 319. if (m.has_defense == MUSE_UPSTAIRS || 320. m.has_defense == MUSE_DOWNSTAIRS || 321. m.has_defense == MUSE_UP_LADDER || 322. m.has_defense == MUSE_DN_LADDER || 323. m.has_defense == MUSE_SSTAIRS || 324. #ifdef ARMY 325. m.has_defense == MUSE_BUGLE || 326. #endif 327. m.has_defense == MUSE_TRAPDOOR) 328. goto botm; 329. #define nomore(x) if(m.has_defense==x) continue; 330. for (obj = mtmp->minvent; obj; obj = obj->nobj) { 331. /* nomore(MUSE_WAN_DIGGING); */ 332. if (m.has_defense == MUSE_WAN_DIGGING) break; 333. if (obj->otyp == WAN_DIGGING && obj->spe > 0 && !stuck 334. && !mtmp->isshk && !mtmp->isgd && !mtmp->ispriest 335. && !is_floater(mtmp->data) 336. #ifdef MULDGN 337. && !Is_knox(&u.uz) 338. #endif 339. && !In_endgame(&u.uz)) { 340. m.defensive = obj; 341. m.has_defense = MUSE_WAN_DIGGING; 342. } 343. nomore(MUSE_TELEPORT_TRAP); 344. nomore(MUSE_WAN_TELEPORTATION_SELF); 345. nomore(MUSE_WAN_TELEPORTATION); 346. if(obj->otyp == WAN_TELEPORTATION && obj->spe > 0) { 347. m.defensive = obj; 348. m.has_defense = (mon_has_amulet(mtmp)) 349. ? MUSE_WAN_TELEPORTATION 350. : MUSE_WAN_TELEPORTATION_SELF; 351. } 352. nomore(MUSE_SCR_TELEPORTATION); 353. if(obj->otyp == SCR_TELEPORTATION && mtmp->mcansee 354. && haseyes(mtmp->data) 355. && (!obj->cursed || 356. (!mtmp->isshk && !mtmp->isgd && !mtmp->ispriest))) { 357. m.defensive = obj; 358. m.has_defense = MUSE_SCR_TELEPORTATION; 359. } 360. nomore(MUSE_POT_EXTRA_HEALING); 361. if(obj->otyp == POT_EXTRA_HEALING) { 362. m.defensive = obj; 363. m.has_defense = MUSE_POT_EXTRA_HEALING; 364. } 365. nomore(MUSE_WAN_CREATE_MONSTER); 366. if(obj->otyp == WAN_CREATE_MONSTER && obj->spe > 0) { 367. m.defensive = obj; 368. m.has_defense = MUSE_WAN_CREATE_MONSTER; 369. } 370. nomore(MUSE_POT_HEALING); 371. if(obj->otyp == POT_HEALING) { 372. m.defensive = obj; 373. m.has_defense = MUSE_POT_HEALING; 374. } 375. nomore(MUSE_SCR_CREATE_MONSTER); 376. if(obj->otyp == SCR_CREATE_MONSTER) { 377. m.defensive = obj; 378. m.has_defense = MUSE_SCR_CREATE_MONSTER; 379. } 380. } 381. botm: return !!m.has_defense; 382. #undef nomore 383. } 384. 385. /* Perform a defensive action for a monster. Must be called immediately 386. * after find_defensive(). Return values are 0: did something, 1: died, 387. * 2: did something and can't attack again (i.e. teleported). 388. */ 389. int 390. use_defensive(mtmp) 391. struct monst *mtmp; 392. { 393. int i; 394. struct obj *otmp = m.defensive; 395. boolean vis = cansee(mtmp->mx, mtmp->my); 396. boolean vismon = canseemon(mtmp); 397. boolean oseen = otmp && (otmp->oclass == SCROLL_CLASS || vis); 398. 399. if ((i = precheck(mtmp, otmp)) != 0) return i; 400. switch(m.has_defense) { 401. #ifdef ARMY 402. case MUSE_BUGLE: 403. if (canseemon(mtmp)) 404. pline("%s plays %s!", Monnam(mtmp), doname(otmp)); 405. else if (flags.soundok) 406. You("hear the sound of a bugle!"); 407. awaken_soldiers(); 408. return 2; 409. #endif 410. case MUSE_WAN_TELEPORTATION_SELF: 411. mzapmsg(mtmp, otmp, TRUE); 412. otmp->spe--; 413. if (oseen) makeknown(WAN_TELEPORTATION); 414. mon_tele: 415. if(level.flags.noteleport) { 416. if (vismon) 417. pline("A mysterious force prevents %s from teleporting!", 418. mon_nam(mtmp)); 419. return 2; 420. } 421. if((/*mon_has_amulet(mtmp)||*/ Is_wiz1_level(&u.uz) || 422. Is_wiz2_level(&u.uz) || Is_wiz3_level(&u.uz)) 423. && !rn2(3)) { 424. if (vismon) 425. pline("%s seems disoriented for a moment.", 426. Monnam(mtmp)); 427. return 2; 428. } 429. rloc(mtmp); 430. return 2; 431. case MUSE_WAN_TELEPORTATION: 432. zap_oseen = oseen; 433. mzapmsg(mtmp, otmp, FALSE); 434. otmp->spe--; 435. m_using = TRUE; 436. mbhit(mtmp,rn1(8,6),mbhitm,bhito,otmp); 437. m_using = FALSE; 438. return 2; 439. case MUSE_SCR_TELEPORTATION: 440. { 441. int obj_is_cursed = otmp->cursed; 442. 443. mreadmsg(mtmp, otmp); 444. m_useup(mtmp, otmp); /* otmp might be free'ed */ 445. if (oseen) makeknown(SCR_TELEPORTATION); 446. if (obj_is_cursed) { 447. if (mon_has_amulet(mtmp) || In_endgame(&u.uz)) { 448. if (vismon) 449. pline("%s seems very disoriented for a moment.", 450. Monnam(mtmp)); 451. return 2; 452. } 453. if (Is_botlevel(&u.uz)) goto mon_tele; 454. else { 455. int nlev; 456. d_level flev; 457. 458. if (rn2(5)) nlev = rnd((int)depth(&u.uz) + 3); 459. else { 460. pline("%s shudders for a moment.", 461. Monnam(mtmp)); 462. return 2; 463. } 464. if (nlev == depth(&u.uz)) { 465. if (u.uz.dlevel == 1) nlev++; 466. else if (In_hell(&u.uz)) nlev--; 467. else nlev++; 468. } 469. get_level(&flev, nlev); 470. migrate_to_level(mtmp, ledger_no(&flev), 0); 471. } 472. } else goto mon_tele; 473. return 2; 474. } 475. case MUSE_WAN_DIGGING: 476. mzapmsg(mtmp, otmp, FALSE); 477. otmp->spe--; 478. if (oseen) makeknown(WAN_DIGGING); 479. if(IS_FURNITURE(levl[mtmp->mx][mtmp->my].typ) 480. || (sstairs.sx && sstairs.sx == mtmp->mx && 481. sstairs.sy == mtmp->my)) { 482. pline("The digging ray is ineffective."); 483. return 2; 484. } 485. if (!Can_dig_down(&u.uz)) { 486. if(canseemon(mtmp)) 487. pline("The floor here is too hard to dig in."); 488. return 2; 489. } 490. seetrap(maketrap(mtmp->mx, mtmp->my, TRAPDOOR)); 491. if (vis) { 492. pline("%s's made a hole in the floor.", Monnam(mtmp)); 493. pline("%s falls through...", Monnam(mtmp)); 494. } else 495. # ifdef SOUNDS 496. if (flags.soundok) 497. # endif 498. You("hear something crash through the floor."); 499. /* we made sure that there is a level for mtmp to go to */ 500. migrate_to_level(mtmp, ledger_no(&u.uz)+1, 0); 501. return 2; 502. case MUSE_WAN_CREATE_MONSTER: 503. { coord cc; 504. struct permonst *pm=rndmonst(); 505. 506. if (!enexto(&cc, mtmp->mx, mtmp->my, pm)) return 0; 507. mzapmsg(mtmp, otmp, FALSE); 508. otmp->spe--; 509. if (oseen) makeknown(WAN_CREATE_MONSTER); 510. (void) makemon(pm, cc.x, cc.y); 511. return 2; 512. } 513. case MUSE_SCR_CREATE_MONSTER: 514. { coord cc; 515. struct permonst *pm=rndmonst(); 516. int cnt = 1; 517. 518. if (!rn2(73)) cnt += rnd(4); 519. if (mtmp->mconf || otmp->cursed) cnt += 12; 520. mreadmsg(mtmp, otmp); 521. while(cnt--) { 522. struct monst *mon; 523. 524. if (!enexto(&cc, mtmp->mx, mtmp->my, pm)) continue; 525. mon = makemon(mtmp->mconf ? &mons[PM_ACID_BLOB] 526. : rndmonst(), cc.x, cc.y); 527. if (mon) newsym(mon->mx,mon->my); 528. } 529. if (oseen && !objects[SCR_CREATE_MONSTER].oc_name_known 530. && !objects[SCR_CREATE_MONSTER].oc_uname) 531. docall(otmp); /* not makeknown(); be consistent */ 532. m_useup(mtmp, otmp); 533. return 2; 534. } 535. case MUSE_TRAPDOOR: 536. /* trapdoors on "bottom" levels of dungeons are rock-drop 537. * trapdoors, not holes in the floor. We check here for 538. * safety. 539. */ 540. if (Is_botlevel(&u.uz)) return 0; 541. if (vis) pline("%s %s into a trapdoor!", Monnam(mtmp), 542. makeplural(locomotion(mtmp->data, "jump"))); 543. seetrap(t_at(trapx,trapy)); 544. 545. /* don't use rloc_to() because worm tails must "move" */ 546. remove_monster(mtmp->mx, mtmp->my); 547. newsym(mtmp->mx, mtmp->my); /* update old location */ 548. place_monster(mtmp, trapx, trapy); 549. if (mtmp->wormno) worm_move(mtmp); 550. newsym(trapx, trapy); 551. 552. migrate_to_level(mtmp, ledger_no(&u.uz)+1, 0); 553. return 2; 554. case MUSE_UPSTAIRS: 555. /* Monsters without amulets escape the dungeon and are 556. * gone for good when they leave up the up stairs. 557. * Monsters with amulets would reach the endlevel, 558. * which we cannot allow since that would leave the 559. * player stranded. 560. */ 561. if (ledger_no(&u.uz) == 1) { 562. if (mon_has_special(mtmp)) 563. return 0; 564. if (vismon) pline("%s escapes the dungeon!", 565. Monnam(mtmp)); 566. mongone(mtmp); 567. return 2; 568. } 569. if (vismon) pline("%s escapes upstairs!", Monnam(mtmp)); 570. migrate_to_level(mtmp, ledger_no(&u.uz)-1, 2); 571. return 2; 572. case MUSE_DOWNSTAIRS: 573. if (vismon) pline("%s escapes downstairs!", Monnam(mtmp)); 574. migrate_to_level(mtmp, ledger_no(&u.uz)+1, 1); 575. return 2; 576. case MUSE_UP_LADDER: 577. if (vismon) pline("%s escapes up the ladder!", Monnam(mtmp)); 578. migrate_to_level(mtmp, ledger_no(&u.uz)-1, 4); 579. return 2; 580. case MUSE_DN_LADDER: 581. if (vismon) pline("%s escapes down the ladder!", Monnam(mtmp)); 582. migrate_to_level(mtmp, ledger_no(&u.uz)+1, 3); 583. return 2; 584. case MUSE_SSTAIRS: 585. /* the stairs leading up from the 1st level are */ 586. /* regular stairs, not sstairs. */ 587. if (sstairs.up) { 588. if (vismon) 589. pline("%s escapes upstairs!", Monnam(mtmp)); 590. if(Inhell) { 591. migrate_to_level(mtmp, 592. ledger_no(&sstairs.tolev), 0); 593. return 2; 594. } 595. } else if (vismon) 596. pline("%s escapes downstairs!", Monnam(mtmp)); 597. migrate_to_level(mtmp, ledger_no(&sstairs.tolev), 5); 598. return 2; 599. case MUSE_TELEPORT_TRAP: 600. if (vis) pline("%s %s onto a teleport trap!", Monnam(mtmp), 601. makeplural(locomotion(mtmp->data, "jump"))); 602. seetrap(t_at(trapx,trapy)); 603. 604. /* don't use rloc_to() because worm tails must "move" */ 605. remove_monster(mtmp->mx, mtmp->my); 606. newsym(mtmp->mx, mtmp->my); /* update old location */ 607. place_monster(mtmp, trapx, trapy); 608. if (mtmp->wormno) worm_move(mtmp); 609. newsym(trapx, trapy); 610. 611. goto mon_tele; 612. case MUSE_POT_HEALING: 613. mquaffmsg(mtmp, otmp); 614. i = d(5,2) + 5 * !!bcsign(otmp); 615. mtmp->mhp += i; 616. if (mtmp->mhp > mtmp->mhpmax) mtmp->mhp = ++mtmp->mhpmax; 617. if (!otmp->cursed) mtmp->mcansee = 1; 618. if (vismon) pline("%s begins to look better.", Monnam(mtmp)); 619. if (oseen) makeknown(POT_HEALING); 620. m_useup(mtmp, otmp); 621. return 2; 622. case MUSE_POT_EXTRA_HEALING: 623. mquaffmsg(mtmp, otmp); 624. i = d(5,4) + 5 * !!bcsign(otmp); 625. mtmp->mhp += i; 626. if (mtmp->mhp > mtmp->mhpmax) 627. mtmp->mhp = (mtmp->mhpmax += (otmp->blessed ? 5 : 2)); 628. mtmp->mcansee = 1; 629. if (vismon) pline("%s looks much better.", Monnam(mtmp)); 630. if (oseen) makeknown(POT_EXTRA_HEALING); 631. m_useup(mtmp, otmp); 632. return 2; 633. case 0: return 0; /* i.e. an exploded wand */ 634. default: impossible("%s wanted to perform action %d?", Monnam(mtmp), 635. m.has_defense); 636. break; 637. } 638. return 0; 639. } 640. 641. int 642. rnd_defensive_item(mtmp) 643. struct monst *mtmp; 644. { 645. struct permonst *pm = mtmp->data; 646. int difficulty = monstr[(monsndx(pm))]; 647. 648. if(is_animal(pm) || attacktype(pm, AT_EXPL) || mindless(mtmp->data) 649. || pm->mlet == S_GHOST 650. # ifdef KOPS 651. || pm->mlet == S_KOP 652. # endif 653. ) return 0; 654. switch (rn2(8 + (difficulty > 3) + (difficulty > 6) + 655. (difficulty > 8))) { 656. case 0: case 1: 657. return SCR_TELEPORTATION; 658. case 2: return SCR_CREATE_MONSTER; 659. case 3: case 4: 660. return POT_HEALING; 661. case 5: return POT_EXTRA_HEALING; 662. case 6: case 9: 663. return WAN_TELEPORTATION; 664. case 7: if (is_floater(pm) || mtmp->isshk || mtmp->isgd 665. || mtmp->ispriest 666. ) 667. return 0; 668. else 669. return WAN_DIGGING; 670. case 8: case 10: 671. return WAN_CREATE_MONSTER; 672. } 673. /*NOTREACHED*/ 674. return 0; 675. } 676. 677. #define MUSE_WAN_DEATH 1 678. #define MUSE_WAN_SLEEP 2 679. #define MUSE_WAN_FIRE 3 680. #define MUSE_WAN_COLD 4 681. #define MUSE_WAN_LIGHTNING 5 682. #define MUSE_WAN_MAGIC_MISSILE 6 683. #define MUSE_WAN_STRIKING 7 684. #define MUSE_SCR_FIRE 8 685. #define MUSE_POT_PARALYSIS 9 686. #define MUSE_POT_BLINDNESS 10 687. #define MUSE_POT_CONFUSION 11 688. 689. /* Select an offensive item/action for a monster. Returns TRUE iff one is 690. * found. 691. */ 692. boolean 693. find_offensive(mtmp) 694. struct monst *mtmp; 695. { 696. register struct obj *obj; 697. boolean ranged_stuff = lined_up(mtmp); 698. 699. m.offensive = (struct obj *)0; 700. m.has_offense = 0; 701. if (mtmp->mpeaceful || is_animal(mtmp->data) || 702. mindless(mtmp->data) || nohands(mtmp->data)) 703. return 0; 704. if (u.uswallow) return 0; 705. if (in_your_sanctuary(mtmp->mx, mtmp->my)) return 0; 706. 707. if (!ranged_stuff) return 0; 708. #define nomore(x) if(m.has_offense==x) continue; 709. for(obj=mtmp->minvent; obj; obj=obj->nobj) { 710. /* nomore(MUSE_WAN_DEATH); */ 711. if (m.has_defense == WAN_DEATH) break; 712. if(obj->otyp == WAN_DEATH && obj->spe > 0) { 713. m.offensive = obj; 714. m.has_offense = MUSE_WAN_DEATH; 715. } 716. nomore(MUSE_WAN_SLEEP); 717. if(obj->otyp == WAN_SLEEP && obj->spe > 0 && multi >= 0) { 718. m.offensive = obj; 719. m.has_offense = MUSE_WAN_SLEEP; 720. } 721. nomore(MUSE_WAN_FIRE); 722. if(obj->otyp == WAN_FIRE && obj->spe > 0) { 723. m.offensive = obj; 724. m.has_offense = MUSE_WAN_FIRE; 725. } 726. nomore(MUSE_WAN_COLD); 727. if(obj->otyp == WAN_COLD && obj->spe > 0) { 728. m.offensive = obj; 729. m.has_offense = MUSE_WAN_COLD; 730. } 731. nomore(MUSE_WAN_LIGHTNING); 732. if(obj->otyp == WAN_LIGHTNING && obj->spe > 0) { 733. m.offensive = obj; 734. m.has_offense = MUSE_WAN_LIGHTNING; 735. } 736. nomore(MUSE_WAN_MAGIC_MISSILE); 737. if(obj->otyp == WAN_MAGIC_MISSILE && obj->spe > 0) { 738. m.offensive = obj; 739. m.has_offense = MUSE_WAN_MAGIC_MISSILE; 740. } 741. nomore(MUSE_WAN_STRIKING); 742. if(obj->otyp == WAN_STRIKING && obj->spe > 0) { 743. m.offensive = obj; 744. m.has_offense = MUSE_WAN_STRIKING; 745. } 746. nomore(MUSE_POT_PARALYSIS); 747. if(obj->otyp == POT_PARALYSIS && multi >= 0) { 748. m.offensive = obj; 749. m.has_offense = MUSE_POT_PARALYSIS; 750. } 751. nomore(MUSE_POT_BLINDNESS); 752. if(obj->otyp == POT_BLINDNESS) { 753. m.offensive = obj; 754. m.has_offense = MUSE_POT_BLINDNESS; 755. } 756. nomore(MUSE_POT_CONFUSION); 757. if(obj->otyp == POT_CONFUSION) { 758. m.offensive = obj; 759. m.has_offense = MUSE_POT_CONFUSION; 760. } 761. #if 0 762. nomore(MUSE_SCR_FIRE); 763. /* even more restrictive than ranged_stuff */ 764. if(obj->otyp == SCR_FIRE && resists_fire(mtmp->data) 765. && distu(mtmp->mx,mtmp->my)==1 766. && mtmp->mcansee && haseyes(mtmp->data)) { 767. m.offensive = obj; 768. m.has_offense = MUSE_SCR_FIRE; 769. } 770. #endif 771. } 772. return !!m.has_offense; 773. #undef nomore 774. } 775. 776. static int 777. mbhitm(mtmp, otmp) 778. register struct monst *mtmp; 779. register struct obj *otmp; 780. { 781. int tmp; 782. 783. if (mtmp != &youmonst) { 784. mtmp->msleep = 0; 785. if (mtmp->m_ap_type) seemimic(mtmp); 786. } 787. switch(otmp->otyp) { 788. case WAN_STRIKING: 789. if (mtmp == &youmonst) { 790. if (zap_oseen) makeknown(WAN_STRIKING); 791. if (rnd(20) < 10 + u.uac) { 792. pline("The wand hits you!"); 793. tmp = d(2,12); 794. if(Half_spell_damage) tmp = (tmp+1) / 2; 795. losehp(tmp, "wand", KILLED_BY_AN); 796. } else pline("The wand misses you."); 797. stop_occupation(); 798. nomul(0); 799. } else if (rnd(20) < 10+find_mac(mtmp)) { 800. tmp = d(2,12); 801. if(Half_spell_damage) tmp = (tmp+1) / 2; 802. hit("wand", mtmp, exclam(tmp)); 803. (void) resist(mtmp, otmp->oclass, tmp, TELL); 804. if (cansee(mtmp->mx, mtmp->my) && zap_oseen) 805. makeknown(WAN_STRIKING); 806. } else { 807. miss("wand", mtmp); 808. if (cansee(mtmp->mx, mtmp->my) && zap_oseen) 809. makeknown(WAN_STRIKING); 810. } 811. break; 812. case WAN_TELEPORTATION: 813. if (mtmp == &youmonst) { 814. if (zap_oseen) makeknown(WAN_TELEPORTATION); 815. tele(); 816. } else { 817. /* for consistency with zap.c, don't identify */ 818. if (mtmp->ispriest && 819. *in_rooms(mtmp->mx, mtmp->my, TEMPLE)) { 820. if (cansee(mtmp->mx, mtmp->my)) 821. pline("%s resists the magic!", Monnam(mtmp)); 822. mtmp->msleep = 0; 823. if(mtmp->m_ap_type) seemimic(mtmp); 824. } else 825. rloc(mtmp); 826. } 827. break; 828. case WAN_CANCELLATION: 829. case SPE_CANCELLATION: 830. cancel_monst(mtmp, otmp, FALSE, TRUE, FALSE); 831. break; 832. } 833. return 0; 834. } 835. 836. /* A modified bhit() for monsters. Based on bhit() in zap.c. Unlike 837. * buzz(), bhit() doesn't take into account the possibility of a monster 838. * zapping you, so we need a special function for it. (Unless someone wants 839. * to merge the two functions...) 840. */ 841. static void 842. mbhit(mon,range,fhitm,fhito,obj) 843. struct monst *mon; /* monster shooting the wand */ 844. register int range; /* direction and range */ 845. int FDECL((*fhitm),(MONST_P,OBJ_P)); 846. int FDECL((*fhito),(OBJ_P,OBJ_P)); /* fns called when mon/obj hit */ 847. struct obj *obj; /* 2nd arg to fhitm/fhito */ 848. { 849. register struct monst *mtmp; 850. register struct obj *otmp; 851. register uchar typ; 852. int ddx, ddy; 853. 854. bhitpos.x = mon->mx; 855. bhitpos.y = mon->my; 856. ddx = sgn(mon->mux - mon->mx); 857. ddy = sgn(mon->muy - mon->my); 858. 859. while(range-- > 0) { 860. int x,y; 861. 862. bhitpos.x += ddx; 863. bhitpos.y += ddy; 864. x = bhitpos.x; y = bhitpos.y; 865. if (find_drawbridge(&x,&y)) 866. switch (obj->otyp) { 867. case WAN_STRIKING: 868. destroy_drawbridge(x,y); 869. } 870. if(bhitpos.x==u.ux && bhitpos.y==u.uy) { 871. (*fhitm)(&youmonst, obj); 872. range -= 3; 873. } else if(MON_AT(bhitpos.x, bhitpos.y)){ 874. mtmp = m_at(bhitpos.x,bhitpos.y); 875. (*fhitm)(mtmp, obj); 876. range -= 3; 877. } 878. /* modified by GAN to hit all objects */ 879. if(fhito){ 880. int hitanything = 0; 881. register struct obj *next_obj; 882. 883. for(otmp = level.objects[bhitpos.x][bhitpos.y]; 884. otmp; otmp = next_obj) { 885. /* Fix for polymorph bug, Tim Wright */ 886. next_obj = otmp->nexthere; 887. hitanything += (*fhito)(otmp, obj); 888. } 889. if(hitanything) range--; 890. } 891. typ = levl[bhitpos.x][bhitpos.y].typ; 892. if(IS_DOOR(typ) || typ == SDOOR) { 893. switch (obj->otyp) { 894. case WAN_STRIKING: 895. if (doorlock(obj, bhitpos.x, bhitpos.y)) 896. makeknown(obj->otyp); 897. break; 898. } 899. } 900. if(!ZAP_POS(typ) || (IS_DOOR(typ) && 901. (levl[bhitpos.x][bhitpos.y].doormask & (D_LOCKED | D_CLOSED))) 902. ) { 903. bhitpos.x -= ddx; 904. bhitpos.y -= ddy; 905. break; 906. } 907. } 908. } 909. 910. /* Perform an offensive action for a monster. Must be called immediately 911. * after find_offensive(). Return values are same as use_defensive(). 912. */ 913. int 914. use_offensive(mtmp) 915. struct monst *mtmp; 916. { 917. int i; 918. struct obj *otmp = m.offensive; 919. boolean vis = cansee(mtmp->mx, mtmp->my); 920. boolean oseen = otmp && (otmp->oclass == SCROLL_CLASS || vis); 921. 922. if ((i = precheck(mtmp, otmp)) != 0) return i; 923. switch(m.has_offense) { 924. case MUSE_WAN_DEATH: 925. case MUSE_WAN_SLEEP: 926. case MUSE_WAN_FIRE: 927. case MUSE_WAN_COLD: 928. case MUSE_WAN_LIGHTNING: 929. case MUSE_WAN_MAGIC_MISSILE: 930. mzapmsg(mtmp, otmp, FALSE); 931. otmp->spe--; 932. if (oseen) makeknown(otmp->otyp); 933. m_using = TRUE; 934. buzz((int)(-30 - (otmp->otyp - WAN_MAGIC_MISSILE)), 935. (otmp->otyp == WAN_MAGIC_MISSILE) ? 2 : 6, 936. mtmp->mx, mtmp->my, 937. sgn(mtmp->mux-mtmp->mx), sgn(mtmp->muy-mtmp->my)); 938. m_using = FALSE; 939. return (mtmp->mhp <= 0) ? 1 : 2; 940. case MUSE_WAN_TELEPORTATION: 941. case MUSE_WAN_STRIKING: 942. zap_oseen = oseen; 943. mzapmsg(mtmp, otmp, FALSE); 944. otmp->spe--; 945. m_using = TRUE; 946. mbhit(mtmp,rn1(8,6),mbhitm,bhito,otmp); 947. m_using = FALSE; 948. return 2; 949. #if 0 950. case MUSE_SCR_FIRE: 951. mreadmsg(mtmp, otmp); 952. if (mtmp->mconf) { 953. if (vis) 954. pline("Oh, what a pretty fire!"); 955. } else { 956. struct monst *mtmp2; 957. int num; 958. 959. if (vis) 960. pline("The scroll erupts in a tower of flame!"); 961. shieldeff(mtmp->mx, mtmp->my); 962. pline("%s is uninjured.", Monnam(mtmp)); 963. (void) destroy_mitem(mtmp, SCROLL_CLASS, AD_FIRE); 964. (void) destroy_mitem(mtmp, SPBOOK_CLASS, AD_FIRE); 965. (void) destroy_mitem(mtmp, POTION_CLASS, AD_FIRE); 966. num = (2*(rn1(3, 3) + 2 * bcsign(otmp)) + 1)/3; 967. if (Fire_resistance) 968. You("are not affected."); 969. if (Half_spell_damage) num = (num+1) / 2; 970. else losehp(num, "scroll of fire", KILLED_BY_AN); 971. for(mtmp2 = fmon; mtmp2; mtmp2 = mtmp2->nmon) { 972. if(mtmp == mtmp2) continue; 973. if(dist2(mtmp2->mx,mtmp2->my,mtmp->mx,mtmp->my) < 3){ 974. if (resists_fire(mtmp2->data)) continue; 975. mtmp2->mhp -= num; 976. if(resists_cold(mtmp2->data)) 977. mtmp2->mhp -= 3*num; 978. if(mtmp2->mhp < 1) { 979. mondied(mtmp2); 980. break; 981. } 982. } 983. } 984. } 985. return 2; 986. #endif 987. case MUSE_POT_PARALYSIS: 988. case MUSE_POT_BLINDNESS: 989. case MUSE_POT_CONFUSION: 990. /* Note: this setting of dknown doesn't suffice. A monster 991. * which is out of sight might throw and it hits something _in_ 992. * sight, a problem not existing with wands because wand rays 993. * are not objects. Also set dknown in mthrowu.c. 994. */ 995. if (cansee(mtmp->mx, mtmp->my)) { 996. otmp->dknown = 1; 997. pline("%s hurls %s!", Monnam(mtmp), 998. singular(otmp, doname)); 999. } 1000. m_throw(mtmp, mtmp->mx, mtmp->my, sgn(mtmp->mux-mtmp->mx), 1001. sgn(mtmp->muy-mtmp->my), 1002. distmin(mtmp->mx,mtmp->my,mtmp->mux,mtmp->muy), otmp); 1003. return 2; 1004. case 0: return 0; /* i.e. an exploded wand */ 1005. default: impossible("%s wanted to perform action %d?", Monnam(mtmp), 1006. m.has_offense); 1007. break; 1008. } 1009. return 0; 1010. } 1011. 1012. int 1013. rnd_offensive_item(mtmp) 1014. struct monst *mtmp; 1015. { 1016. struct permonst *pm = mtmp->data; 1017. int difficulty = monstr[(monsndx(pm))]; 1018. 1019. if(is_animal(pm) || attacktype(pm, AT_EXPL) || mindless(mtmp->data) 1020. || pm->mlet == S_GHOST 1021. # ifdef KOPS 1022. || pm->mlet == S_KOP 1023. # endif 1024. ) return 0; 1025. if (difficulty > 7 && !rn2(35)) return WAN_DEATH; 1026. switch (rn2(7 - (difficulty < 4) + 4 * (difficulty > 6))) { 1027. case 0: case 1: 1028. return WAN_STRIKING; 1029. case 2: return POT_CONFUSION; 1030. case 3: return POT_BLINDNESS; 1031. case 4: return POT_PARALYSIS; 1032. case 5: case 6: 1033. return WAN_MAGIC_MISSILE; 1034. case 7: return WAN_SLEEP; 1035. case 8: return WAN_FIRE; 1036. case 9: return WAN_COLD; 1037. case 10: return WAN_LIGHTNING; 1038. } 1039. /*NOTREACHED*/ 1040. return 0; 1041. } 1042. 1043. #define MUSE_POT_GAIN_LEVEL 1 1044. #define MUSE_WAN_MAKE_INVISIBLE 2 1045. #define MUSE_POT_INVISIBILITY 3 1046. #define MUSE_POLY_TRAP 4 1047. #define MUSE_WAN_POLYMORPH 5 1048. #define MUSE_POT_SPEED 6 1049. #define MUSE_WAN_SPEED_MONSTER 7 1050. boolean 1051. find_misc(mtmp) 1052. struct monst *mtmp; 1053. { 1054. register struct obj *obj; 1055. int x=mtmp->mx, y=mtmp->my; 1056. #ifdef POLYSELF 1057. struct trap *t; 1058. int xx, yy; 1059. boolean immobile = (mtmp->data->mmove == 0); 1060. #endif 1061. boolean stuck = (mtmp == u.ustuck); 1062. 1063. m.misc = (struct obj *)0; 1064. m.has_misc = 0; 1065. if (is_animal(mtmp->data) || mindless(mtmp->data)) 1066. return 0; 1067. if (u.uswallow && stuck) return 0; 1068. 1069. /* We arbitrarily limit to times when a player is nearby for the 1070. * same reason as Junior Pac-Man doesn't have energizers eaten until 1071. * you can see them... 1072. */ 1073. if(dist2(x, y, mtmp->mux, mtmp->muy) > 36) 1074. return 0; 1075. 1076. #ifdef POLYSELF 1077. if (!stuck && !immobile && 1078. !mtmp->cham && monstr[(monsndx(mtmp->data))] < 6) 1079. for(xx = x-1; xx <= x+1; xx++) 1080. for(yy = y-1; yy <= y+1; yy++) 1081. if (isok(xx,yy) && (xx != u.ux || yy != u.uy)) 1082. if (mtmp->data != &mons[PM_GRID_BUG] || xx == x || yy == y) 1083. if (/* (xx==x && yy==y) || */ !level.monsters[xx][yy]) 1084. if ((t = t_at(xx,yy)) != 0) { 1085. if (t->ttyp == POLY_TRAP) { 1086. trapx = xx; 1087. trapy = yy; 1088. m.has_misc = MUSE_POLY_TRAP; 1089. return TRUE; 1090. } 1091. } 1092. #endif 1093. if (nohands(mtmp->data)) 1094. return 0; 1095. 1096. #define nomore(x) if(m.has_misc==x) continue; 1097. for(obj=mtmp->minvent; obj; obj=obj->nobj) { 1098. /* Monsters shouldn't recognize cursed items; this kludge is */ 1099. /* necessary to prevent serious problems though... */ 1100. if(obj->otyp == POT_GAIN_LEVEL && (!obj->cursed || 1101. (!mtmp->isgd && !mtmp->isshk && !mtmp->ispriest))) { 1102. m.misc = obj; 1103. m.has_misc = MUSE_POT_GAIN_LEVEL; 1104. } 1105. /* Note: peaceful/tame monsters won't make themselves 1106. * invisible unless you can see them. Not really right, but... 1107. */ 1108. nomore(MUSE_WAN_MAKE_INVISIBLE); 1109. if(obj->otyp == WAN_MAKE_INVISIBLE && obj->spe > 0 && 1110. !mtmp->minvis && (!mtmp->mpeaceful || See_invisible) 1111. && (mtmp->data != &mons[PM_MEDUSA] || mtmp->mcan)) { 1112. m.misc = obj; 1113. m.has_misc = MUSE_WAN_MAKE_INVISIBLE; 1114. } 1115. nomore(MUSE_POT_INVISIBILITY); 1116. if(obj->otyp == POT_INVISIBILITY && 1117. !mtmp->minvis && (!mtmp->mpeaceful || See_invisible)) { 1118. m.misc = obj; 1119. m.has_misc = MUSE_POT_INVISIBILITY; 1120. } 1121. nomore(MUSE_WAN_SPEED_MONSTER); 1122. if(obj->otyp == WAN_SPEED_MONSTER && obj->spe > 0 1123. && mtmp->mspeed != MFAST && !mtmp->isgd) { 1124. m.misc = obj; 1125. m.has_misc = MUSE_WAN_SPEED_MONSTER; 1126. } 1127. nomore(MUSE_POT_SPEED); 1128. if(obj->otyp == POT_SPEED && mtmp->mspeed != MFAST 1129. && !mtmp->isgd) { 1130. m.misc = obj; 1131. m.has_misc = MUSE_POT_SPEED; 1132. } 1133. nomore(MUSE_WAN_POLYMORPH); 1134. if(obj->otyp == WAN_POLYMORPH && !mtmp->cham 1135. && monstr[(monsndx(mtmp->data))] < 6) { 1136. m.misc = obj; 1137. m.has_misc = MUSE_WAN_POLYMORPH; 1138. } 1139. } 1140. return !!m.has_misc; 1141. #undef nomore 1142. } 1143. 1144. int 1145. use_misc(mtmp) 1146. struct monst *mtmp; 1147. { 1148. int i; 1149. struct obj *otmp = m.misc; 1150. boolean vis = cansee(mtmp->mx, mtmp->my); 1151. boolean vismon = canseemon(mtmp); 1152. boolean oseen = otmp && (otmp->oclass == SCROLL_CLASS || vis); 1153. 1154. if ((i = precheck(mtmp, otmp)) != 0) return i; 1155. switch(m.has_misc) { 1156. case MUSE_POT_GAIN_LEVEL: 1157. mquaffmsg(mtmp, otmp); 1158. if (otmp->cursed) { 1159. if (Can_rise_up(&u.uz)) { 1160. register int tolev = depth(&u.uz)-1; 1161. d_level tolevel; 1162. 1163. get_level(&tolevel, tolev); 1164. /* insurance against future changes... */ 1165. if(on_level(&tolevel, &u.uz)) goto skipmsg; 1166. if (vismon) { 1167. pline("%s rises up, through the ceiling!", 1168. Monnam(mtmp)); 1169. if(!objects[POT_GAIN_LEVEL].oc_name_known 1170. && !objects[POT_GAIN_LEVEL].oc_uname) 1171. docall(otmp); 1172. } 1173. m_useup(mtmp, otmp); 1174. migrate_to_level(mtmp, ledger_no(&tolevel), 0); 1175. return 2; 1176. } else { 1177. skipmsg: 1178. if (vismon) { 1179. pline("%s looks uneasy.", Monnam(mtmp)); 1180. if(!objects[POT_GAIN_LEVEL].oc_name_known 1181. && !objects[POT_GAIN_LEVEL].oc_uname) 1182. docall(otmp); 1183. } 1184. m_useup(mtmp, otmp); 1185. return 2; 1186. } 1187. } 1188. if (vismon) pline("%s seems more experienced.", Monnam(mtmp)); 1189. i = rnd(8); 1190. if (oseen) makeknown(POT_GAIN_LEVEL); 1191. m_useup(mtmp, otmp); 1192. if (!grow_up(mtmp,(struct monst *)0)) return 1; 1193. /* grew into genocided monster */ 1194. mtmp->mhp += i; 1195. mtmp->mhpmax += i; 1196. return 2; 1197. case MUSE_WAN_MAKE_INVISIBLE: 1198. mzapmsg(mtmp, otmp, TRUE); 1199. otmp->spe--; 1200. mtmp->minvis = 1; 1201. newsym(mtmp->mx,mtmp->my); 1202. if (mtmp->wormno) see_wsegs(mtmp); 1203. return 2; 1204. case MUSE_POT_INVISIBILITY: 1205. mquaffmsg(mtmp, otmp); 1206. if (vis) pline("Gee, all of a sudden %s can't see %sself.", 1207. mon_nam(mtmp), 1208. humanoid(mtmp->data) ? (mtmp->female ? "her" : "him") 1209. : "it"); 1210. if (oseen) makeknown(POT_INVISIBILITY); 1211. mtmp->minvis = 1; 1212. newsym(mtmp->mx,mtmp->my); 1213. if (mtmp->wormno) see_wsegs(mtmp); 1214. if (otmp->cursed) { 1215. mtmp->minvis = 0; 1216. pline("For some reason, %s presence is known to you.", 1217. s_suffix(mon_nam(mtmp))); 1218. you_aggravate(mtmp); 1219. mtmp->minvis = 1; 1220. newsym(mtmp->mx,mtmp->my); 1221. } 1222. m_useup(mtmp, otmp); 1223. return 2; 1224. case MUSE_WAN_SPEED_MONSTER: 1225. mzapmsg(mtmp, otmp, TRUE); 1226. otmp->spe--; 1227. if (mtmp->mspeed == MSLOW) mtmp->mspeed = 0; 1228. else mtmp->mspeed = MFAST; 1229. return 2; 1230. case MUSE_POT_SPEED: 1231. mquaffmsg(mtmp, otmp); 1232. if (vismon) pline("%s is suddenly moving much faster.", 1233. Monnam(mtmp)); 1234. if (oseen) makeknown(POT_SPEED); 1235. if (mtmp->mspeed == MSLOW) mtmp->mspeed = 0; 1236. else mtmp->mspeed = MFAST; 1237. m_useup(mtmp, otmp); 1238. return 2; 1239. case MUSE_WAN_POLYMORPH: 1240. mzapmsg(mtmp, otmp, TRUE); 1241. otmp->spe--; 1242. (void) newcham(mtmp, rndmonst()); 1243. if (oseen) makeknown(WAN_POLYMORPH); 1244. return 2; 1245. #ifdef POLYSELF 1246. case MUSE_POLY_TRAP: 1247. if (vismon) 1248. pline("%s deliberately goes onto a polymorph trap!", 1249. Monnam(mtmp)); 1250. seetrap(t_at(trapx,trapy)); 1251. 1252. /* don't use rloc() due to worms */ 1253. remove_monster(mtmp->mx, mtmp->my); 1254. newsym(mtmp->mx, mtmp->my); 1255. place_monster(mtmp, trapx, trapy); 1256. if (mtmp->wormno) worm_move(mtmp); 1257. newsym(trapx, trapy); 1258. 1259. (void) newcham(mtmp, (struct permonst *)0); 1260. return 2; 1261. #endif 1262. case 0: return 0; /* i.e. an exploded wand */ 1263. default: impossible("%s wanted to perform action %d?", Monnam(mtmp), 1264. m.has_misc); 1265. break; 1266. } 1267. return 0; 1268. } 1269. 1270. static void 1271. you_aggravate(mtmp) 1272. struct monst *mtmp; 1273. { 1274. cls(); 1275. show_glyph(mtmp->mx, mtmp->my, mon_to_glyph(mtmp)); 1276. display_self(); 1277. You("feel aggravated at %s.", mon_nam(mtmp)); 1278. display_nhwindow(WIN_MAP, TRUE); 1279. docrt(); 1280. if (unconscious()) { 1281. multi = -1; 1282. nomovemsg = 1283. "Aggravated, you are jolted into full consciousness."; 1284. } 1285. } 1286. 1287. int 1288. rnd_misc_item(mtmp) 1289. struct monst *mtmp; 1290. { 1291. struct permonst *pm = mtmp->data; 1292. int difficulty = monstr[(monsndx(pm))]; 1293. 1294. if(is_animal(pm) || attacktype(pm, AT_EXPL) || mindless(mtmp->data) 1295. || pm->mlet == S_GHOST 1296. # ifdef KOPS 1297. || pm->mlet == S_KOP 1298. # endif 1299. ) return 0; 1300. /* Unlike other rnd_item functions, we only allow _weak_ monsters 1301. * to have this item; after all, the item will be used to strengthen 1302. * the monster and strong monsters won't use it at all... 1303. */ 1304. if (difficulty < 6 && !rn2(30)) return WAN_POLYMORPH; 1305. 1306. switch (rn2(7)) { 1307. case 0: case 1: 1308. if (mtmp->isgd) return 0; 1309. return POT_SPEED; 1310. case 2: 1311. if (mtmp->mpeaceful && !See_invisible) return 0; 1312. return WAN_MAKE_INVISIBLE; 1313. case 3: 1314. if (mtmp->mpeaceful && !See_invisible) return 0; 1315. return POT_INVISIBILITY; 1316. case 4: 1317. if (mtmp->isgd) return 0; 1318. return WAN_SPEED_MONSTER; 1319. case 5: case 6: 1320. return POT_GAIN_LEVEL; 1321. } 1322. /*NOTREACHED*/ 1323. return 0; 1324. } 1325. 1326. boolean 1327. searches_for_item(mon, obj) 1328. struct monst *mon; 1329. struct obj *obj; 1330. { 1331. int typ = obj->otyp; 1332. 1333. if (is_animal(mon->data) || mindless(mon->data)) return FALSE; 1334. return((obj->oclass == WAND_CLASS && objects[typ].oc_dir == RAY) 1335. || typ == WAN_STRIKING 1336. || (!mon->minvis && 1337. (typ == WAN_MAKE_INVISIBLE || typ == POT_INVISIBILITY)) 1338. || (mon->mspeed != MFAST && 1339. (typ == WAN_SPEED_MONSTER || typ == POT_SPEED)) 1340. || typ == POT_HEALING 1341. || typ == POT_EXTRA_HEALING 1342. || typ == POT_GAIN_LEVEL 1343. || (monstr[monsndx(mon->data)] < 6 && typ == WAN_POLYMORPH) 1344. || (!is_floater(mon->data) && typ == WAN_DIGGING) 1345. || typ == WAN_TELEPORTATION 1346. || typ == SCR_TELEPORTATION 1347. || typ == WAN_CREATE_MONSTER 1348. || typ == SCR_CREATE_MONSTER 1349. || typ == POT_PARALYSIS 1350. || typ == POT_BLINDNESS 1351. || typ == POT_CONFUSION 1352. || (typ == PICK_AXE && needspick(mon->data)) 1353. ); 1354. } 1355. #endif 1356. 1357. /*muse.c*/