Source:NetHack 3.1.0/dogmove.c
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Below is the full text to dogmove.c from the source code of NetHack 3.1.0.
Warning! This is the source code from an old release. For newer releases, see Source code
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1. /* SCCS Id: @(#)dogmove.c 3.1 92/11/26 */ 2. /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */ 3. /* NetHack may be freely redistributed. See license for details. */ 4. 5. #include "hack.h" 6. 7. #include "mfndpos.h" 8. #include "edog.h" 9. 10. #ifdef OVL0 11. 12. static boolean FDECL(dog_hunger,(struct monst *,struct edog *)); 13. static boolean FDECL(dog_invent,(struct monst *,struct edog *,int)); 14. static int FDECL(dog_goal,(struct monst *,struct edog *,int,int,int)); 15. 16. #ifndef MUSE 17. #define DROPPABLES(mtmp) mtmp->minvent 18. #else 19. static struct obj *FDECL(DROPPABLES, (struct monst *)); 20. 21. static struct obj * 22. DROPPABLES(mon) 23. register struct monst *mon; 24. { 25. register struct obj *obj; 26. struct obj *wep = MON_WEP(mon); 27. 28. for(obj = mon->minvent; obj; obj = obj->nobj) 29. if (!obj->owornmask && obj != wep) return obj; 30. return (struct obj *)0; 31. } 32. #endif 33. 34. static const char NEARDATA nofetch[] = { BALL_CLASS, CHAIN_CLASS, ROCK_CLASS, 0 }; 35. 36. #endif /* OVL0 */ 37. 38. STATIC_VAR xchar gtyp, gx, gy; /* type and position of dog's current goal */ 39. 40. STATIC_DCL void FDECL(dog_eat, (struct monst *, struct obj *, int, int)); 41. STATIC_PTR void FDECL(wantdoor, (int, int, genericptr_t)); 42. 43. #ifdef OVLB 44. 45. STATIC_OVL void 46. dog_eat(mtmp, obj, x, y) 47. register struct monst *mtmp; 48. register struct obj * obj; 49. int x, y; 50. { 51. register struct edog *edog = EDOG(mtmp); 52. int nutrit; 53. 54. if(edog->hungrytime < moves) 55. edog->hungrytime = moves; 56. /* 57. * It is arbitrary that the pet takes the same length of time to eat 58. * as a human, but gets more nutritional value. 59. */ 60. if (obj->oclass == FOOD_CLASS) { 61. if(obj->otyp == CORPSE) { 62. mtmp->meating = 3 + (mons[obj->corpsenm].cwt >> 6); 63. nutrit = mons[obj->corpsenm].cnutrit; 64. } else { 65. mtmp->meating = objects[obj->otyp].oc_delay; 66. nutrit = objects[obj->otyp].oc_nutrition; 67. } 68. switch(mtmp->data->msize) { 69. case MZ_TINY: nutrit *= 8; break; 70. case MZ_SMALL: nutrit *= 6; break; 71. default: 72. case MZ_MEDIUM: nutrit *= 5; break; 73. case MZ_LARGE: nutrit *= 4; break; 74. case MZ_HUGE: nutrit *= 3; break; 75. case MZ_GIGANTIC: nutrit *= 2; break; 76. } 77. if(obj->oeaten) { 78. mtmp->meating = eaten_stat(mtmp->meating, obj); 79. nutrit = eaten_stat(nutrit, obj); 80. } 81. } else if (obj->oclass == GOLD_CLASS) { 82. mtmp->meating = ((int)obj->quan/2000) + 1; 83. nutrit = ((int)obj->quan/20); 84. } else { 85. /* Unusual pet such as gelatinous cube eating odd stuff. 86. * meating made consistent with wild monsters in mon.c. 87. * nutrit made consistent with polymorphed player nutrit in 88. * eat.c. (This also applies to pets eating gold.) 89. */ 90. mtmp->meating = obj->owt/20 + 1; 91. nutrit = 5*objects[obj->otyp].oc_nutrition; 92. } 93. edog->hungrytime += nutrit; 94. mtmp->mconf = 0; 95. if (mtmp->mtame < 20) mtmp->mtame++; 96. if(cansee(x,y)) 97. pline("%s eats %s.", Monnam(mtmp), (obj->oclass==FOOD_CLASS) 98. ? singular(obj, doname) : doname(obj)); 99. /* It's a reward if it's DOGFOOD and the player dropped/threw it. */ 100. /* We know the player had it if invlet is set -dlc */ 101. if(dogfood(mtmp,obj) == DOGFOOD && obj->invlet) 102. #ifdef LINT 103. edog->apport = 0; 104. #else 105. edog->apport += (unsigned)(200L/ 106. ((long)edog->dropdist+moves-edog->droptime)); 107. #endif 108. if (obj == uball) { 109. unpunish(); 110. delobj(obj); 111. } else if (obj == uchain) 112. unpunish(); 113. else if (obj->quan > 1L && obj->oclass == FOOD_CLASS) 114. obj->quan--; 115. else 116. delobj(obj); 117. } 118. 119. #endif /* OVLB */ 120. #ifdef OVL0 121. 122. /* hunger effects -- returns TRUE on starvation */ 123. static boolean 124. dog_hunger(mtmp, edog) 125. register struct monst *mtmp; 126. register struct edog *edog; 127. { 128. if(moves > edog->hungrytime + 500) { 129. if(!carnivorous(mtmp->data) && !herbivorous(mtmp->data)) { 130. edog->hungrytime = moves + 500; 131. /* but not too high; it might polymorph */ 132. } else if (!mtmp->mconf) { 133. mtmp->mconf = 1; 134. mtmp->mhpmax /= 3; 135. if(mtmp->mhp > mtmp->mhpmax) 136. mtmp->mhp = mtmp->mhpmax; 137. if(mtmp->mhp < 1) goto dog_died; 138. if(cansee(mtmp->mx, mtmp->my)) 139. pline("%s is confused from hunger.", Monnam(mtmp)); 140. else { 141. char buf[BUFSZ]; 142. 143. Strcpy(buf, "the "); 144. You("feel worried about %s.", mtmp->mnamelth ? 145. NAME(mtmp) : strcat(buf, Hallucination 146. ? rndmonnam() : mtmp->data->mname)); 147. } 148. } else if(moves > edog->hungrytime + 750 || mtmp->mhp < 1) { 149. dog_died: 150. #ifdef WALKIES 151. if(mtmp->mleashed) 152. Your("leash goes slack."); 153. #endif 154. if(cansee(mtmp->mx, mtmp->my)) 155. pline("%s dies%s.", Monnam(mtmp), 156. (mtmp->mhp >= 1) ? "" : " from hunger"); 157. else 158. You("have a sad feeling for a moment, then it passes."); 159. mondied(mtmp); 160. return(TRUE); 161. } 162. } 163. return(FALSE); 164. } 165. 166. /* do something with object (drop, pick up, eat) at current position 167. * returns TRUE if object eaten (since that counts as dog's move) 168. */ 169. static boolean 170. dog_invent(mtmp, edog, udist) 171. register struct monst *mtmp; 172. register struct edog *edog; 173. int udist; 174. { 175. register int omx, omy; 176. struct obj *obj; 177. 178. omx = mtmp->mx; 179. omy = mtmp->my; 180. 181. /* if we are carrying sth then we drop it (perhaps near @) */ 182. /* Note: if apport == 1 then our behaviour is independent of udist */ 183. if(DROPPABLES(mtmp) || mtmp->mgold) { 184. if(!rn2(udist) || !rn2((int) edog->apport)) 185. if(rn2(10) < edog->apport){ 186. relobj(mtmp, (int)mtmp->minvis, TRUE); 187. if(edog->apport > 1) edog->apport--; 188. edog->dropdist = udist; /* hpscdi!jon */ 189. edog->droptime = moves; 190. } 191. } else { 192. if((obj=level.objects[omx][omy]) && !index(nofetch,obj->oclass) 193. #ifdef MAIL 194. && obj->otyp != SCR_MAIL 195. #endif 196. ){ 197. if (dogfood(mtmp, obj) <= CADAVER) { 198. dog_eat(mtmp, obj, omx, omy); 199. return TRUE; 200. } 201. if(can_carry(mtmp, obj) && !obj->cursed) 202. if(rn2(20) < edog->apport+3) 203. if(rn2(udist) || !rn2((int) edog->apport)) { 204. if (cansee(omx, omy) && flags.verbose) 205. pline("%s picks up %s.", Monnam(mtmp), 206. distant_name(obj, doname)); 207. freeobj(obj); 208. newsym(omx,omy); 209. mpickobj(mtmp,obj); 210. } 211. } 212. } 213. return FALSE; 214. } 215. 216. /* set dog's goal -- gtyp, gx, gy 217. * returns -1/0/1 (dog's desire to approach player) or -2 (abort move) 218. */ 219. static int 220. dog_goal(mtmp, edog, after, udist, whappr) 221. register struct monst *mtmp; 222. struct edog *edog; 223. int after, udist, whappr; 224. { 225. register int omx, omy; 226. boolean in_masters_sight; 227. register struct obj *obj; 228. xchar otyp; 229. int appr; 230. 231. omx = mtmp->mx; 232. omy = mtmp->my; 233. 234. in_masters_sight = couldsee(omx, omy); 235. 236. if (!edog 237. #ifdef WALKIES 238. || mtmp->mleashed /* he's not going anywhere... */ 239. #endif 240. ) { 241. gtyp = APPORT; 242. gx = u.ux; 243. gy = u.uy; 244. } else { 245. #define DDIST(x,y) (dist2(x,y,omx,omy)) 246. #define SQSRCHRADIUS 5 247. int min_x, max_x, min_y, max_y; 248. register int nx, ny; 249. 250. gtyp = UNDEF; /* no goal as yet */ 251. gx = gy = 0; /* suppress 'used before set' message */ 252. 253. if ((min_x = omx - SQSRCHRADIUS) < 0) min_x = 0; 254. if ((max_x = omx + SQSRCHRADIUS) >= COLNO) max_x = COLNO - 1; 255. if ((min_y = omy - SQSRCHRADIUS) < 0) min_y = 0; 256. if ((max_y = omy + SQSRCHRADIUS) >= ROWNO) max_y = ROWNO - 1; 257. 258. /* nearby food is the first choice, then other objects */ 259. for (obj = fobj; obj; obj = obj->nobj) { 260. nx = obj->ox; 261. ny = obj->oy; 262. if (nx >= min_x && nx <= max_x && ny >= min_y && ny <= max_y) { 263. otyp = dogfood(mtmp, obj); 264. if (otyp > gtyp || otyp == UNDEF) 265. continue; 266. if (otyp < MANFOOD) { 267. if (otyp < gtyp || DDIST(nx,ny) < DDIST(gx,gy)) { 268. gx = nx; 269. gy = ny; 270. gtyp = otyp; 271. } 272. } else if(gtyp == UNDEF && in_masters_sight && 273. !mtmp->minvent && 274. (!levl[omx][omy].lit || levl[u.ux][u.uy].lit) && 275. (otyp == MANFOOD || m_cansee(mtmp, nx, ny)) && 276. edog->apport > rn2(8) && 277. can_carry(mtmp,obj)) { 278. gx = nx; 279. gy = ny; 280. gtyp = APPORT; 281. } 282. } 283. } 284. } 285. 286. /* follow player if appropriate */ 287. if (gtyp == UNDEF || 288. (gtyp != DOGFOOD && gtyp != APPORT && moves < edog->hungrytime)) { 289. gx = u.ux; 290. gy = u.uy; 291. if (after && udist <= 4 && gx == u.ux && gy == u.uy) 292. return(-2); 293. appr = (udist >= 9) ? 1 : (mtmp->mflee) ? -1 : 0; 294. if (udist > 1) { 295. if (!IS_ROOM(levl[u.ux][u.uy].typ) || !rn2(4) || 296. whappr || 297. (mtmp->minvent && rn2((int) edog->apport))) 298. appr = 1; 299. } 300. /* if you have dog food it'll follow you more closely */ 301. if (appr == 0) { 302. obj = invent; 303. while (obj) { 304. if(dogfood(mtmp, obj) == DOGFOOD) { 305. appr = 1; 306. break; 307. } 308. obj = obj->nobj; 309. } 310. } 311. } else 312. appr = 1; /* gtyp != UNDEF */ 313. if(mtmp->mconf) 314. appr = 0; 315. 316. #define FARAWAY (COLNO + 2) /* position outside screen */ 317. if (gx == u.ux && gy == u.uy && !in_masters_sight) { 318. register coord *cp; 319. 320. cp = gettrack(omx,omy); 321. if (cp) { 322. gx = cp->x; 323. gy = cp->y; 324. if(edog) edog->ogoal.x = 0; 325. } else { 326. /* assume master hasn't moved far, and reuse previous goal */ 327. if(edog && edog->ogoal.x && 328. ((edog->ogoal.x != omx) || (edog->ogoal.y != omy))) { 329. gx = edog->ogoal.x; 330. gy = edog->ogoal.y; 331. edog->ogoal.x = 0; 332. } else { 333. int fardist = FARAWAY * FARAWAY; 334. gx = gy = FARAWAY; /* random */ 335. do_clear_area(omx, omy, 9, wantdoor, 336. (genericptr_t)&fardist); 337. 338. /* here gx == FARAWAY e.g. when dog is in a vault */ 339. if (gx == FARAWAY || (gx == omx && gy == omy)) { 340. gx = u.ux; 341. gy = u.uy; 342. } else if(edog) { 343. edog->ogoal.x = gx; 344. edog->ogoal.y = gy; 345. } 346. } 347. } 348. } else if(edog) { 349. edog->ogoal.x = 0; 350. } 351. return appr; 352. } 353. 354. /* return 0 (no move), 1 (move) or 2 (dead) */ 355. int 356. dog_move(mtmp, after) 357. register struct monst *mtmp; 358. register int after; /* this is extra fast monster movement */ 359. { 360. int omx, omy; /* original mtmp position */ 361. int appr, whappr, udist; 362. int i, j; 363. register struct edog *edog = EDOG(mtmp); 364. struct obj *obj = (struct obj *) 0; 365. xchar otyp; 366. boolean has_edog, cursemsg = FALSE, do_eat = FALSE; 367. xchar nix, niy; /* position mtmp is (considering) moving to */ 368. register int nx, ny; /* temporary coordinates */ 369. xchar cnt, uncursedcnt, chcnt; 370. int chi = -1, nidist, ndist; 371. coord poss[9]; 372. long info[9], allowflags; 373. #define GDIST(x,y) (dist2(x,y,gx,gy)) 374. 375. /* 376. * Tame Angels have isminion set and an ispriest structure instead of 377. * an edog structure. Fortunately, guardian Angels need not worry 378. * about mundane things like eating and fetching objects, and can 379. * spend all their energy defending the player. (They are the only 380. * monsters with other structures that can be tame.) 381. */ 382. has_edog = !mtmp->isminion; 383. 384. omx = mtmp->mx; 385. omy = mtmp->my; 386. if (has_edog && dog_hunger(mtmp, edog)) return(2); /* starved */ 387. 388. udist = distu(omx,omy); 389. /* maybe we tamed him while being swallowed --jgm */ 390. if (!udist) return(0); 391. 392. nix = omx; /* set before newdogpos */ 393. niy = omy; 394. 395. if (has_edog && dog_invent(mtmp, edog, udist)) /* eating something */ 396. goto newdogpos; 397. 398. if (has_edog) 399. whappr = (moves - edog->whistletime < 5); 400. else 401. whappr = 0; 402. 403. appr = dog_goal(mtmp, has_edog ? edog : (struct edog *)0, 404. after, udist, whappr); 405. if (appr == -2) return(0); 406. 407. allowflags = ALLOW_M | ALLOW_TRAPS | ALLOW_SSM | ALLOW_SANCT; 408. if (passes_walls(mtmp->data)) allowflags |= (ALLOW_ROCK|ALLOW_WALL); 409. if (throws_rocks(mtmp->data)) allowflags |= ALLOW_ROCK; 410. if (Conflict && !resist(mtmp, RING_CLASS, 0, 0)) { 411. allowflags |= ALLOW_U; 412. if (!has_edog) { 413. coord mm; 414. /* Guardian angel refuses to be conflicted; rather, 415. * it disappears, angrily, and sends in some nasties 416. */ 417. if (canseemon(mtmp) || sensemon(mtmp)) { 418. pline("%s rebukes you, saying:", Monnam(mtmp)); 419. verbalize("Since you desire conflict, have some more!"); 420. } 421. mongone(mtmp); 422. i = rnd(4); 423. while(i--) { 424. mm.x = u.ux; 425. mm.y = u.uy; 426. if(enexto(&mm, mm.x, mm.y, &mons[PM_ANGEL])) 427. (void) mk_roamer(&mons[PM_ANGEL], u.ualign.type, 428. mm.x, mm.y, FALSE); 429. } 430. return(2); 431. 432. } 433. } 434. if (!nohands(mtmp->data) && !verysmall(mtmp->data)) { 435. allowflags |= OPENDOOR; 436. if (m_carrying(mtmp, SKELETON_KEY)) allowflags |= BUSTDOOR; 437. } 438. if (is_giant(mtmp->data)) allowflags |= BUSTDOOR; 439. if (tunnels(mtmp->data) && !needspick(mtmp->data)) 440. allowflags |= ALLOW_DIG; 441. cnt = mfndpos(mtmp, poss, info, allowflags); 442. 443. /* Normally dogs don't step on cursed items, but if they have no 444. * other choice they will. This requires checking ahead of time 445. * to see how many cursed item squares are around. 446. */ 447. uncursedcnt = 0; 448. for (i = 0; i < cnt; i++) { 449. nx = poss[i].x; ny = poss[i].y; 450. if (MON_AT(nx,ny)) continue; 451. for (obj = level.objects[nx][ny]; obj; obj = obj->nexthere) 452. if (obj->cursed) goto skipu; 453. uncursedcnt++; 454. skipu:; 455. } 456. 457. chcnt = 0; 458. chi = -1; 459. nidist = GDIST(nix,niy); 460. 461. for (i = 0; i < cnt; i++) { 462. nx = poss[i].x; 463. ny = poss[i].y; 464. #ifdef WALKIES 465. /* if leashed, we drag him along. */ 466. if (mtmp->mleashed && distu(nx, ny) > 4) continue; 467. #endif 468. /* if a guardian, try to stay close by choice */ 469. if (!has_edog && 470. (j = distu(nx, ny)) > 16 && j >= udist) continue; 471. 472. if ((info[i] & ALLOW_M) && MON_AT(nx, ny)) { 473. int stat; 474. register struct monst *mtmp2 = m_at(nx,ny); 475. 476. if ((int)mtmp2->m_lev >= (int)mtmp->m_lev+2 || 477. (mtmp2->data == &mons[PM_FLOATING_EYE] && rn2(10) && 478. mtmp->mcansee && haseyes(mtmp->data) && mtmp2->mcansee 479. && (perceives(mtmp->data) || !mtmp2->minvis)) || 480. (mtmp2->data==&mons[PM_GELATINOUS_CUBE] && rn2(10)) || 481. (max_passive_dmg(mtmp2, mtmp) >= mtmp->mhp) || 482. (mtmp->mhp*4 < mtmp->mhpmax && 483. mtmp2->mpeaceful && !Conflict) || 484. (mtmp2->data->mlet == S_COCKATRICE && 485. !resists_ston(mtmp->data))) 486. continue; 487. 488. if (after) return(0); /* hit only once each move */ 489. 490. stat = mattackm(mtmp, mtmp2); 491. 492. /* aggressor (pet) died */ 493. if (stat & MM_AGR_DIED) return 2; 494. 495. if ((stat & MM_HIT) && !(stat & MM_DEF_DIED) && 496. rn2(4) && mtmp2->mlstmv != monstermoves) { 497. stat = mattackm(mtmp2, mtmp); /* return attack */ 498. if (stat & MM_DEF_DIED) return 2; 499. } 500. 501. return 0; 502. } 503. 504. { /* dog avoids traps, but perhaps it has to pass a trap 505. * in order to follow player 506. */ 507. struct trap *trap; 508. 509. if ((info[i] & ALLOW_TRAPS) && (trap = t_at(nx,ny))) { 510. if ((trap->ttyp == RUST_TRAP 511. && mtmp->data != &mons[PM_IRON_GOLEM]) 512. || trap->ttyp == STATUE_TRAP 513. || ((trap->ttyp == PIT 514. || trap->ttyp == SPIKED_PIT 515. || (trap->ttyp == TRAPDOOR && 516. !Can_fall_thru(&u.uz))) 517. && (is_flyer(mtmp->data) || 518. is_clinger(mtmp->data))) 519. || (trap->ttyp == SLP_GAS_TRAP && 520. resists_sleep(mtmp->data))) 521. if(!trap->tseen || rn2(3)) continue; 522. #ifdef WALKIES 523. if (!mtmp->mleashed) { 524. #endif 525. if (!trap->tseen && rn2(40)) continue; 526. if (rn2(10)) continue; 527. #ifdef WALKIES 528. } 529. # ifdef SOUNDS 530. else if (flags.soundok) 531. whimper(mtmp); 532. # endif 533. #endif 534. } 535. } 536. 537. /* dog eschews cursed objects, but likes dog food */ 538. for (obj = level.objects[nx][ny]; obj; obj = obj->nexthere) { 539. if (obj->cursed && !mtmp->mleashed && uncursedcnt) 540. goto nxti; 541. if (obj->cursed) cursemsg = TRUE; 542. if (has_edog && (otyp = dogfood(mtmp, obj)) < MANFOOD && 543. (otyp < ACCFOOD || edog->hungrytime <= moves)){ 544. /* Note: our dog likes the food so much that he 545. * might eat it even when it conceals a cursed object */ 546. nix = nx; 547. niy = ny; 548. chi = i; 549. do_eat = TRUE; 550. goto newdogpos; 551. } 552. } 553. 554. for (j = 0; j < MTSZ && j < cnt-1; j++) 555. if (nx == mtmp->mtrack[j].x && ny == mtmp->mtrack[j].y) 556. if (rn2(4*(cnt-j))) goto nxti; 557. 558. j = ((ndist = GDIST(nx,ny)) - nidist) * appr; 559. if ((j == 0 && !rn2(++chcnt)) || j < 0 || 560. (j > 0 && !whappr && 561. ((omx == nix && omy == niy && !rn2(3)) 562. || !rn2(12)) 563. )) { 564. nix = nx; 565. niy = ny; 566. nidist = ndist; 567. if(j < 0) chcnt = 0; 568. chi = i; 569. } 570. nxti: ; 571. } 572. newdogpos: 573. if (nix != omx || niy != omy) { 574. if (info[chi] & ALLOW_U) { 575. #ifdef WALKIES 576. if (mtmp->mleashed) { /* play it safe */ 577. pline("%s breaks loose of %s leash!", 578. Monnam(mtmp), 579. humanoid(mtmp->data) 580. ? (mtmp->female ? "her" : "his") 581. : "its"); 582. m_unleash(mtmp); 583. } 584. #endif 585. (void) mattacku(mtmp); 586. return(0); 587. } 588. /* insert a worm_move() if worms ever begin to eat things */ 589. remove_monster(omx, omy); 590. place_monster(mtmp, nix, niy); 591. if (cursemsg && (cansee(omx,omy) || cansee(nix,niy))) 592. pline("%s moves only reluctantly.", Monnam(mtmp)); 593. for (j=MTSZ-1; j>0; j--) mtmp->mtrack[j] = mtmp->mtrack[j-1]; 594. mtmp->mtrack[0].x = omx; 595. mtmp->mtrack[0].y = omy; 596. /* We have to know if the pet's gonna do a combined eat and 597. * move before moving it, but it can't eat until after being 598. * moved. Thus the do_eat flag. 599. */ 600. if (do_eat) 601. dog_eat(mtmp, obj, nix, niy); 602. } 603. #ifdef WALKIES 604. /* an incredible kludge, but the only way to keep pooch near 605. * after it spends time eating or in a trap, etc. 606. */ 607. else if (mtmp->mleashed && distu(omx, omy) > 4) { 608. coord cc; 609. 610. nx = sgn(omx - u.ux); 611. ny = sgn(omy - u.uy); 612. cc.x = u.ux + nx; 613. cc.y = u.uy + ny; 614. if (goodpos(cc.x, cc.y, mtmp, mtmp->data)) goto dognext; 615. 616. i = xytod(nx, ny); 617. for (j = (i + 7)%8; j < (i + 1)%8; j++) { 618. dtoxy(&cc, j); 619. if (goodpos(cc.x, cc.y, mtmp, mtmp->data)) goto dognext; 620. } 621. for (j = (i + 6)%8; j < (i + 2)%8; j++) { 622. dtoxy(&cc, j); 623. if (goodpos(cc.x, cc.y, mtmp, mtmp->data)) goto dognext; 624. } 625. cc.x = mtmp->mx; 626. cc.y = mtmp->my; 627. dognext: 628. remove_monster(mtmp->mx, mtmp->my); 629. place_monster(mtmp, cc.x, cc.y); 630. newsym(cc.x,cc.y); 631. set_apparxy(mtmp); 632. } 633. #endif 634. return(1); 635. } 636. 637. #endif /* OVL0 */ 638. #ifdef OVLB 639. 640. /*ARGSUSED*/ /* do_clear_area client */ 641. STATIC_PTR void 642. wantdoor(x, y, distance) 643. int x, y; 644. genericptr_t distance; 645. { 646. register ndist; 647. 648. if (*(int*)distance > (ndist = distu(x, y))) { 649. gx = x; 650. gy = y; 651. *(int*)distance = ndist; 652. } 653. } 654. 655. #endif /* OVLB */ 656. 657. /*dogmove.c*/