Source:SLASH'EM 0.0.7E7F2/mklev.c
Jump to navigation
Jump to search
Below is the full text to mklev.c from the source code of SLASH'EM 0.0.7E7F2. To link to a particular line, write [[Source:SLASH'EM 0.0.7E7F2/mklev.c#line123]], for example.
Source code for vanilla NetHack is at 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: @(#)mklev.c 3.4 2001/11/29 */ 2. /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */ 3. /* NetHack may be freely redistributed. See license for details. */ 4. 5. #include "hack.h" 6. /* #define DEBUG */ /* uncomment to enable code debugging */ 7. 8. #ifdef DEBUG 9. # ifdef WIZARD 10. #define debugpline if (wizard) pline 11. # else 12. #define debugpline pline 13. # endif 14. #endif 15. 16. /* for UNIX, Rand #def'd to (long)lrand48() or (long)random() */ 17. /* croom->lx etc are schar (width <= int), so % arith ensures that */ 18. /* conversion of result to int is reasonable */ 19. 20. 21. STATIC_DCL void FDECL(mkfount,(int,struct mkroom *)); 22. #ifdef SINKS 23. STATIC_DCL void FDECL(mksink,(struct mkroom *)); 24. STATIC_DCL void FDECL(mktoilet,(struct mkroom *)); 25. #endif 26. STATIC_DCL void FDECL(mkaltar,(struct mkroom *)); 27. STATIC_DCL void FDECL(mkgrave,(struct mkroom *)); 28. STATIC_DCL void NDECL(makevtele); 29. STATIC_DCL void NDECL(clear_level_structures); 30. STATIC_DCL void NDECL(makelevel); 31. STATIC_DCL void NDECL(mineralize); 32. STATIC_DCL boolean FDECL(bydoor,(XCHAR_P,XCHAR_P)); 33. STATIC_DCL struct mkroom *FDECL(find_branch_room, (coord *)); 34. STATIC_DCL struct mkroom *FDECL(pos_to_room, (XCHAR_P, XCHAR_P)); 35. STATIC_DCL boolean FDECL(place_niche,(struct mkroom *,int*,int*,int*)); 36. STATIC_DCL void FDECL(makeniche,(int)); 37. STATIC_DCL void NDECL(make_niches); 38. 39. STATIC_PTR int FDECL( CFDECLSPEC do_comp,(const genericptr,const genericptr)); 40. 41. STATIC_DCL void FDECL(dosdoor,(XCHAR_P,XCHAR_P,struct mkroom *,int)); 42. STATIC_DCL void FDECL(join,(int,int,BOOLEAN_P)); 43. STATIC_DCL void FDECL(do_room_or_subroom, (struct mkroom *,int,int,int,int, 44. BOOLEAN_P,SCHAR_P,BOOLEAN_P,BOOLEAN_P)); 45. STATIC_DCL void NDECL(makerooms); 46. STATIC_DCL void FDECL(finddpos,(coord *,XCHAR_P,XCHAR_P,XCHAR_P,XCHAR_P)); 47. STATIC_DCL void FDECL(mkinvpos, (XCHAR_P,XCHAR_P,int)); 48. STATIC_DCL void FDECL(mk_knox_portal, (XCHAR_P,XCHAR_P)); 49. 50. #define create_vault() create_room(-1, -1, 2, 2, -1, -1, VAULT, TRUE) 51. #define init_vault() vault_x = -1 52. #define do_vault() (vault_x != -1) 53. static xchar vault_x, vault_y; 54. boolean goldseen; 55. static boolean made_branch; /* used only during level creation */ 56. 57. /* Args must be (const genericptr) so that qsort will always be happy. */ 58. 59. STATIC_PTR int CFDECLSPEC 60. do_comp(vx,vy) 61. const genericptr vx; 62. const genericptr vy; 63. { 64. #ifdef LINT 65. /* lint complains about possible pointer alignment problems, but we know 66. that vx and vy are always properly aligned. Hence, the following 67. bogus definition: 68. */ 69. return (vx == vy) ? 0 : -1; 70. #else 71. register const struct mkroom *x, *y; 72. 73. x = (const struct mkroom *)vx; 74. y = (const struct mkroom *)vy; 75. if(x->lx < y->lx) return(-1); 76. return(x->lx > y->lx); 77. #endif /* LINT */ 78. } 79. 80. STATIC_OVL void 81. finddpos(cc, xl,yl,xh,yh) 82. coord *cc; 83. xchar xl,yl,xh,yh; 84. { 85. register xchar x, y; 86. 87. x = (xl == xh) ? xl : (xl + rn2(xh-xl+1)); 88. y = (yl == yh) ? yl : (yl + rn2(yh-yl+1)); 89. if(okdoor(x, y)) 90. goto gotit; 91. 92. for(x = xl; x <= xh; x++) for(y = yl; y <= yh; y++) 93. if(okdoor(x, y)) 94. goto gotit; 95. 96. for(x = xl; x <= xh; x++) for(y = yl; y <= yh; y++) 97. if(IS_DOOR(levl[x][y].typ) || levl[x][y].typ == SDOOR) 98. goto gotit; 99. /* cannot find something reasonable -- strange */ 100. x = xl; 101. y = yh; 102. gotit: 103. cc->x = x; 104. cc->y = y; 105. return; 106. } 107. 108. void 109. sort_rooms() 110. { 111. #if defined(SYSV) || defined(DGUX) 112. qsort((genericptr_t) rooms, (unsigned)nroom, sizeof(struct mkroom), do_comp); 113. #else 114. qsort((genericptr_t) rooms, nroom, sizeof(struct mkroom), do_comp); 115. #endif 116. } 117. 118. STATIC_OVL void 119. do_room_or_subroom(croom, lowx, lowy, hix, hiy, lit, rtype, special, is_room) 120. register struct mkroom *croom; 121. int lowx, lowy; 122. register int hix, hiy; 123. boolean lit; 124. schar rtype; 125. boolean special; 126. boolean is_room; 127. { 128. register int x, y; 129. struct rm *lev; 130. 131. /* locations might bump level edges in wall-less rooms */ 132. /* add/subtract 1 to allow for edge locations */ 133. if(!lowx) lowx++; 134. if(!lowy) lowy++; 135. if(hix >= COLNO-1) hix = COLNO-2; 136. if(hiy >= ROWNO-1) hiy = ROWNO-2; 137. 138. if(lit) { 139. for(x = lowx-1; x <= hix+1; x++) { 140. lev = &levl[x][max(lowy-1,0)]; 141. for(y = lowy-1; y <= hiy+1; y++) 142. lev++->lit = 1; 143. } 144. croom->rlit = 1; 145. } else 146. croom->rlit = 0; 147. 148. croom->lx = lowx; 149. croom->hx = hix; 150. croom->ly = lowy; 151. croom->hy = hiy; 152. croom->rtype = rtype; 153. croom->doorct = 0; 154. /* if we're not making a vault, doorindex will still be 0 155. * if we are, we'll have problems adding niches to the previous room 156. * unless fdoor is at least doorindex 157. */ 158. croom->fdoor = doorindex; 159. croom->irregular = FALSE; 160. 161. croom->nsubrooms = 0; 162. croom->sbrooms[0] = (struct mkroom *) 0; 163. if (!special) { 164. for(x = lowx-1; x <= hix+1; x++) 165. for(y = lowy-1; y <= hiy+1; y += (hiy-lowy+2)) { 166. levl[x][y].typ = HWALL; 167. levl[x][y].horizontal = 1; /* For open/secret doors. */ 168. } 169. for(x = lowx-1; x <= hix+1; x += (hix-lowx+2)) 170. for(y = lowy; y <= hiy; y++) { 171. levl[x][y].typ = VWALL; 172. levl[x][y].horizontal = 0; /* For open/secret doors. */ 173. } 174. for(x = lowx; x <= hix; x++) { 175. lev = &levl[x][lowy]; 176. for(y = lowy; y <= hiy; y++) 177. lev++->typ = ROOM; 178. } 179. if (is_room) { 180. levl[lowx-1][lowy-1].typ = TLCORNER; 181. levl[hix+1][lowy-1].typ = TRCORNER; 182. levl[lowx-1][hiy+1].typ = BLCORNER; 183. levl[hix+1][hiy+1].typ = BRCORNER; 184. } else { /* a subroom */ 185. wallification(lowx-1, lowy-1, hix+1, hiy+1, FALSE); 186. } 187. } 188. } 189. 190. 191. void 192. add_room(lowx, lowy, hix, hiy, lit, rtype, special) 193. register int lowx, lowy, hix, hiy; 194. boolean lit; 195. schar rtype; 196. boolean special; 197. { 198. register struct mkroom *croom; 199. 200. croom = &rooms[nroom]; 201. do_room_or_subroom(croom, lowx, lowy, hix, hiy, lit, 202. rtype, special, (boolean) TRUE); 203. croom++; 204. croom->hx = -1; 205. nroom++; 206. } 207. 208. void 209. add_subroom(proom, lowx, lowy, hix, hiy, lit, rtype, special) 210. struct mkroom *proom; 211. register int lowx, lowy, hix, hiy; 212. boolean lit; 213. schar rtype; 214. boolean special; 215. { 216. register struct mkroom *croom; 217. 218. croom = &subrooms[nsubroom]; 219. do_room_or_subroom(croom, lowx, lowy, hix, hiy, lit, 220. rtype, special, (boolean) FALSE); 221. proom->sbrooms[proom->nsubrooms++] = croom; 222. croom++; 223. croom->hx = -1; 224. nsubroom++; 225. } 226. 227. STATIC_OVL void 228. makerooms() 229. { 230. boolean tried_vault = FALSE; 231. 232. /* make rooms until satisfied */ 233. /* rnd_rect() will returns 0 if no more rects are available... */ 234. while(nroom < MAXNROFROOMS && rnd_rect()) { 235. if(nroom >= (MAXNROFROOMS/6) && rn2(2) && !tried_vault) { 236. tried_vault = TRUE; 237. if (create_vault()) { 238. vault_x = rooms[nroom].lx; 239. vault_y = rooms[nroom].ly; 240. rooms[nroom].hx = -1; 241. } 242. } else 243. if (!create_room(-1, -1, -1, -1, -1, -1, OROOM, -1)) 244. return; 245. } 246. return; 247. } 248. 249. STATIC_OVL void 250. join(a,b,nxcor) 251. register int a, b; 252. boolean nxcor; 253. { 254. coord cc,tt, org, dest; 255. register xchar tx, ty, xx, yy; 256. register struct mkroom *croom, *troom; 257. register int dx, dy; 258. 259. croom = &rooms[a]; 260. troom = &rooms[b]; 261. 262. /* find positions cc and tt for doors in croom and troom 263. and direction for a corridor between them */ 264. 265. if(troom->hx < 0 || croom->hx < 0 || doorindex >= DOORMAX) return; 266. if(troom->lx > croom->hx) { 267. dx = 1; 268. dy = 0; 269. xx = croom->hx+1; 270. tx = troom->lx-1; 271. finddpos(&cc, xx, croom->ly, xx, croom->hy); 272. finddpos(&tt, tx, troom->ly, tx, troom->hy); 273. } else if(troom->hy < croom->ly) { 274. dy = -1; 275. dx = 0; 276. yy = croom->ly-1; 277. finddpos(&cc, croom->lx, yy, croom->hx, yy); 278. ty = troom->hy+1; 279. finddpos(&tt, troom->lx, ty, troom->hx, ty); 280. } else if(troom->hx < croom->lx) { 281. dx = -1; 282. dy = 0; 283. xx = croom->lx-1; 284. tx = troom->hx+1; 285. finddpos(&cc, xx, croom->ly, xx, croom->hy); 286. finddpos(&tt, tx, troom->ly, tx, troom->hy); 287. } else { 288. dy = 1; 289. dx = 0; 290. yy = croom->hy+1; 291. ty = troom->ly-1; 292. finddpos(&cc, croom->lx, yy, croom->hx, yy); 293. finddpos(&tt, troom->lx, ty, troom->hx, ty); 294. } 295. xx = cc.x; 296. yy = cc.y; 297. tx = tt.x - dx; 298. ty = tt.y - dy; 299. if(nxcor && levl[xx+dx][yy+dy].typ) 300. return; 301. if (okdoor(xx,yy) || !nxcor) 302. dodoor(xx,yy,croom); 303. 304. org.x = xx+dx; org.y = yy+dy; 305. dest.x = tx; dest.y = ty; 306. 307. /* KMH -- Support for arboreal levels */ 308. if (!dig_corridor(&org, &dest, nxcor, 309. level.flags.arboreal ? ROOM : CORR, STONE)) 310. return; 311. 312. /* we succeeded in digging the corridor */ 313. if (okdoor(tt.x, tt.y) || !nxcor) 314. dodoor(tt.x, tt.y, troom); 315. 316. if(smeq[a] < smeq[b]) 317. smeq[b] = smeq[a]; 318. else 319. smeq[a] = smeq[b]; 320. } 321. 322. void 323. makecorridors() 324. { 325. int a, b, i; 326. boolean any = TRUE; 327. 328. for(a = 0; a < nroom-1; a++) { 329. join(a, a+1, FALSE); 330. if(!rn2(50)) break; /* allow some randomness */ 331. } 332. for(a = 0; a < nroom-2; a++) 333. if(smeq[a] != smeq[a+2]) 334. join(a, a+2, FALSE); 335. for(a = 0; any && a < nroom; a++) { 336. any = FALSE; 337. for(b = 0; b < nroom; b++) 338. if(smeq[a] != smeq[b]) { 339. join(a, b, FALSE); 340. any = TRUE; 341. } 342. } 343. if(nroom > 2) 344. for(i = rn2(nroom) + 4; i; i--) { 345. a = rn2(nroom); 346. b = rn2(nroom-2); 347. if(b >= a) b += 2; 348. join(a, b, TRUE); 349. } 350. } 351. 352. /* ALI - Artifact doors: Track doors in maze levels as well */ 353. 354. int 355. add_door(x,y,aroom) 356. register int x, y; 357. register struct mkroom *aroom; 358. { 359. register struct mkroom *broom; 360. register int tmp; 361. 362. if (doorindex == DOORMAX) 363. return -1; 364. 365. if (aroom) { 366. aroom->doorct++; 367. broom = aroom+1; 368. } else 369. /* ALI 370. * Roomless doors must go right at the beginning of the list 371. */ 372. broom = &rooms[0]; 373. if(broom->hx < 0) 374. tmp = doorindex; 375. else 376. for(tmp = doorindex; tmp > broom->fdoor; tmp--) 377. doors[tmp] = doors[tmp-1]; 378. doorindex++; 379. doors[tmp].x = x; 380. doors[tmp].y = y; 381. for( ; broom->hx >= 0; broom++) broom->fdoor++; 382. doors[tmp].arti_key = 0; 383. return tmp; 384. } 385. 386. STATIC_OVL void 387. dosdoor(x,y,aroom,type) 388. register xchar x, y; 389. register struct mkroom *aroom; 390. register int type; 391. { 392. boolean shdoor = ((*in_rooms(x, y, SHOPBASE))? TRUE : FALSE); 393. 394. if(!IS_WALL(levl[x][y].typ)) /* avoid SDOORs on already made doors */ 395. type = DOOR; 396. levl[x][y].typ = type; 397. if(type == DOOR) { 398. if(!rn2(3)) { /* is it a locked door, closed, or a doorway? */ 399. if(!rn2(5)) 400. levl[x][y].doormask = D_ISOPEN; 401. else if(!rn2(6)) 402. levl[x][y].doormask = D_LOCKED; 403. else 404. levl[x][y].doormask = D_CLOSED; 405. 406. if (levl[x][y].doormask != D_ISOPEN && !shdoor && 407. level_difficulty() >= 5 && !rn2(25)) 408. levl[x][y].doormask |= D_TRAPPED; 409. } else 410. #ifdef STUPID 411. if (shdoor) 412. levl[x][y].doormask = D_ISOPEN; 413. else 414. levl[x][y].doormask = D_NODOOR; 415. #else 416. levl[x][y].doormask = (shdoor ? D_ISOPEN : D_NODOOR); 417. #endif 418. if(levl[x][y].doormask & D_TRAPPED) { 419. struct monst *mtmp; 420. 421. if (level_difficulty() >= 9 && !rn2(5) && 422. !((mvitals[PM_SMALL_MIMIC].mvflags & G_GONE) && 423. (mvitals[PM_LARGE_MIMIC].mvflags & G_GONE) && 424. (mvitals[PM_GIANT_MIMIC].mvflags & G_GONE))) { 425. /* make a mimic instead */ 426. levl[x][y].doormask = D_NODOOR; 427. mtmp = makemon(mkclass(S_MIMIC,0), x, y, NO_MM_FLAGS); 428. if (mtmp) 429. set_mimic_sym(mtmp); 430. } 431. } 432. /* newsym(x,y); */ 433. } else { /* SDOOR */ 434. if(shdoor || !rn2(5)) levl[x][y].doormask = D_LOCKED; 435. else levl[x][y].doormask = D_CLOSED; 436. 437. if(!shdoor && level_difficulty() >= 4 && !rn2(20)) 438. levl[x][y].doormask |= D_TRAPPED; 439. } 440. 441. add_door(x,y,aroom); 442. } 443. 444. STATIC_OVL boolean 445. place_niche(aroom,dy,xx,yy) 446. register struct mkroom *aroom; 447. int *dy, *xx, *yy; 448. { 449. coord dd; 450. 451. if(rn2(2)) { 452. *dy = 1; 453. finddpos(&dd, aroom->lx, aroom->hy+1, aroom->hx, aroom->hy+1); 454. } else { 455. *dy = -1; 456. finddpos(&dd, aroom->lx, aroom->ly-1, aroom->hx, aroom->ly-1); 457. } 458. *xx = dd.x; 459. *yy = dd.y; 460. return((boolean)((isok(*xx,*yy+*dy) && levl[*xx][*yy+*dy].typ == STONE) 461. && (isok(*xx,*yy-*dy) && !IS_POOL(levl[*xx][*yy-*dy].typ) 462. && !IS_FURNITURE(levl[*xx][*yy-*dy].typ)))); 463. } 464. 465. /* there should be one of these per trap, in the same order as trap.h */ 466. static NEARDATA const char *trap_engravings[TRAPNUM] = { 467. (char *)0, (char *)0, (char *)0, (char *)0, (char *)0, 468. (char *)0, (char *)0, (char *)0, (char *)0, (char *)0, 469. (char *)0, (char *)0, (char *)0, (char *)0, 470. /* 14..16: trap door, teleport, level-teleport */ 471. "Vlad was here", "ad aerarium", "ad aerarium", 472. (char *)0, (char *)0, (char *)0, (char *)0, (char *)0, 473. (char *)0, 474. }; 475. 476. STATIC_OVL void 477. makeniche(trap_type) 478. int trap_type; 479. { 480. register struct mkroom *aroom; 481. register struct rm *rm; 482. register int vct = 8; 483. int dy, xx, yy; 484. register struct trap *ttmp; 485. 486. if(doorindex < DOORMAX) 487. while(vct--) { 488. aroom = &rooms[rn2(nroom)]; 489. if(aroom->rtype != OROOM) continue; /* not an ordinary room */ 490. if(aroom->doorct == 1 && rn2(5)) continue; 491. if(!place_niche(aroom,&dy,&xx,&yy)) continue; 492. 493. rm = &levl[xx][yy+dy]; 494. if(trap_type || !rn2(4)) { 495. 496. rm->typ = SCORR; 497. if(trap_type) { 498. if((trap_type == HOLE || trap_type == TRAPDOOR) 499. && !Can_fall_thru(&u.uz)) 500. trap_type = ROCKTRAP; 501. ttmp = maketrap(xx, yy+dy, trap_type); 502. if (ttmp) { 503. if (trap_type != ROCKTRAP) ttmp->once = 1; 504. if (trap_engravings[trap_type]) { 505. make_engr_at(xx, yy-dy, 506. trap_engravings[trap_type], 0L, DUST); 507. wipe_engr_at(xx, yy-dy, 5); /* age it a little */ 508. } 509. } 510. } 511. dosdoor(xx, yy, aroom, SDOOR); 512. } else { 513. rm->typ = CORR; 514. if(rn2(7)) 515. dosdoor(xx, yy, aroom, rn2(5) ? SDOOR : DOOR); 516. else { 517. if (!level.flags.noteleport) 518. (void) mksobj_at(SCR_TELEPORTATION, 519. xx, yy+dy, TRUE, FALSE); 520. if (!rn2(3)) (void) mkobj_at(0, xx, yy+dy, TRUE); 521. } 522. } 523. return; 524. } 525. } 526. 527. STATIC_OVL void 528. make_niches() 529. { 530. register int ct = rnd((nroom>>1) + 1), dep = depth(&u.uz); 531. 532. boolean ltptr = (!level.flags.noteleport && dep > 15), 533. vamp = (dep > 5 && dep < 25); 534. 535. while(ct--) { 536. if (ltptr && !rn2(6)) { 537. ltptr = FALSE; 538. makeniche(LEVEL_TELEP); 539. } else if (vamp && !rn2(6)) { 540. vamp = FALSE; 541. makeniche(TRAPDOOR); 542. } else makeniche(NO_TRAP); 543. } 544. } 545. 546. STATIC_OVL void 547. makevtele() 548. { 549. makeniche(TELEP_TRAP); 550. } 551. 552. /* clear out various globals that keep information on the current level. 553. * some of this is only necessary for some types of levels (maze, normal, 554. * special) but it's easier to put it all in one place than make sure 555. * each type initializes what it needs to separately. 556. */ 557. STATIC_OVL void 558. clear_level_structures() 559. { 560. #ifdef DISPLAY_LAYERS 561. static struct rm zerorm = { S_stone, 0, 0, 0, 0, 0, 562. #else 563. static struct rm zerorm = { cmap_to_glyph(S_stone), 564. #endif 565. 0, 0, 0, 0, 0, 0, 0, 0 }; 566. register int x,y; 567. register struct rm *lev; 568. 569. for(x=0; x<COLNO; x++) { 570. lev = &levl[x][0]; 571. for(y=0; y<ROWNO; y++) { 572. *lev++ = zerorm; 573. #ifdef MICROPORT_BUG 574. level.objects[x][y] = (struct obj *)0; 575. level.monsters[x][y] = (struct monst *)0; 576. #endif 577. } 578. } 579. #ifndef MICROPORT_BUG 580. (void) memset((genericptr_t)level.objects, 0, sizeof(level.objects)); 581. (void) memset((genericptr_t)level.monsters, 0, sizeof(level.monsters)); 582. #endif 583. level.objlist = (struct obj *)0; 584. level.buriedobjlist = (struct obj *)0; 585. level.monlist = (struct monst *)0; 586. level.damagelist = (struct damage *)0; 587. 588. level.flags.nfountains = 0; 589. level.flags.nsinks = 0; 590. level.flags.has_shop = 0; 591. level.flags.has_vault = 0; 592. level.flags.has_zoo = 0; 593. level.flags.has_court = 0; 594. level.flags.has_morgue = level.flags.graveyard = 0; 595. level.flags.has_beehive = 0; 596. level.flags.has_barracks = 0; 597. level.flags.has_lemurepit = 0; 598. level.flags.has_migohive = 0; 599. level.flags.has_fungusfarm = 0; 600. level.flags.has_temple = 0; 601. level.flags.has_swamp = 0; 602. level.flags.noteleport = 0; 603. level.flags.hardfloor = 0; 604. level.flags.nommap = 0; 605. level.flags.hero_memory = 1; 606. level.flags.shortsighted = 0; 607. level.flags.arboreal = 0; 608. level.flags.is_maze_lev = 0; 609. level.flags.is_cavernous_lev = 0; 610. /* KMH -- more level properties */ 611. level.flags.arboreal = 0; 612. 613. /* [DS] - Michael Clarke's Lethe flag */ 614. level.flags.lethe = 0; 615. 616. nroom = 0; 617. rooms[0].hx = -1; 618. nsubroom = 0; 619. subrooms[0].hx = -1; 620. doorindex = 0; 621. init_rect(); 622. init_vault(); 623. xdnstair = ydnstair = xupstair = yupstair = 0; 624. sstairs.sx = sstairs.sy = 0; 625. xdnladder = ydnladder = xupladder = yupladder = 0; 626. made_branch = FALSE; 627. clear_regions(); 628. } 629. 630. STATIC_OVL void 631. makelevel() 632. { 633. register struct mkroom *croom, *troom; 634. register int tryct; 635. register int x, y; 636. struct monst *tmonst; /* always put a web with a spider */ 637. branch *branchp; 638. int room_threshold; 639. 640. if(wiz1_level.dlevel == 0) init_dungeons(); 641. oinit(); /* assign level dependent obj probabilities */ 642. clear_level_structures(); 643. 644. { 645. register s_level *slev = Is_special(&u.uz); 646. 647. /* check for special levels */ 648. #ifdef REINCARNATION 649. if (slev && !Is_rogue_level(&u.uz)) 650. #else 651. if (slev) 652. #endif 653. { 654. makemaz(slev->proto); 655. return; 656. } else if (dungeons[u.uz.dnum].proto[0]) { 657. makemaz(""); 658. return; 659. } else if (In_mines(&u.uz)) { 660. makemaz("minefill"); 661. return; 662. } else if (In_quest(&u.uz)) { 663. char fillname[16]; 664. s_level *loc_lev; 665. 666. Sprintf(fillname, "%s-loca", urole.filecode); 667. loc_lev = find_level(fillname); 668. 669. Sprintf(fillname, "%s-fil", urole.filecode); 670. Strcat(fillname, 671. (u.uz.dlevel < loc_lev->dlevel.dlevel) ? "a" : "b"); 672. makemaz(fillname); 673. return; 674. } else if(In_hell(&u.uz) || 675. (rn2(5) && u.uz.dnum == medusa_level.dnum 676. && depth(&u.uz) > depth(&medusa_level))) { 677. makemaz(""); 678. return; 679. } 680. } 681. 682. /* otherwise, fall through - it's a "regular" level. */ 683. 684. #ifdef REINCARNATION 685. if (Is_rogue_level(&u.uz)) { 686. makeroguerooms(); 687. makerogueghost(); 688. } else 689. #endif 690. makerooms(); 691. sort_rooms(); 692. 693. /* construct stairs (up and down in different rooms if possible) */ 694. croom = &rooms[rn2(nroom)]; 695. if (!Is_botlevel(&u.uz)) 696. mkstairs(somex(croom), somey(croom), 0, croom); /* down */ 697. if (nroom > 1) { 698. troom = croom; 699. croom = &rooms[rn2(nroom-1)]; 700. if (croom == troom) croom++; 701. } 702. 703. if (u.uz.dlevel != 1) { 704. xchar sx, sy; 705. do { 706. sx = somex(croom); 707. sy = somey(croom); 708. } while(occupied(sx, sy)); 709. mkstairs(sx, sy, 1, croom); /* up */ 710. } 711. 712. branchp = Is_branchlev(&u.uz); /* possible dungeon branch */ 713. room_threshold = branchp ? 4 : 3; /* minimum number of rooms needed 714. to allow a random special room */ 715. #ifdef REINCARNATION 716. if (Is_rogue_level(&u.uz)) goto skip0; 717. #endif 718. makecorridors(); 719. make_niches(); 720. 721. /* make a secret treasure vault, not connected to the rest */ 722. if(do_vault()) { 723. xchar w,h; 724. #ifdef DEBUG 725. debugpline("trying to make a vault..."); 726. #endif 727. w = 1; 728. h = 1; 729. if (check_room(&vault_x, &w, &vault_y, &h, TRUE)) { 730. fill_vault: 731. add_room(vault_x, vault_y, vault_x+w, 732. vault_y+h, TRUE, VAULT, FALSE); 733. level.flags.has_vault = 1; 734. ++room_threshold; 735. fill_room(&rooms[nroom - 1], FALSE); 736. mk_knox_portal(vault_x+w, vault_y+h); 737. if(!level.flags.noteleport && !rn2(3)) makevtele(); 738. } else if(rnd_rect() && create_vault()) { 739. vault_x = rooms[nroom].lx; 740. vault_y = rooms[nroom].ly; 741. if (check_room(&vault_x, &w, &vault_y, &h, TRUE)) 742. goto fill_vault; 743. else 744. rooms[nroom].hx = -1; 745. } 746. } 747. 748. { 749. register int u_depth = depth(&u.uz); 750. 751. #ifdef WIZARD 752. if(wizard && nh_getenv("SHOPTYPE")) mkroom(SHOPBASE); else 753. #endif 754. if (u_depth > 1 && 755. u_depth < depth(&medusa_level) && 756. nroom >= room_threshold && 757. rn2(u_depth) < 3) mkroom(SHOPBASE); 758. 759. /* [Tom] totally reorganized this into categories... used 760. to be only one special room on a level... now allows 761. one of each major type */ 762. else { 763. /* courtrooms & barracks */ 764. if(depth(&u.uz) > 4 && !rn2(12)) mkroom(COURT); 765. else if (u_depth > 5 && !rn2(8) && 766. !(mvitals[PM_LEPRECHAUN].mvflags & G_GONE)) mkroom(LEPREHALL); 767. else if(depth(&u.uz) > 14 && !rn2(12)) mkroom(GIANTCOURT); 768. else if(depth(&u.uz) > 14 && !rn2(7) && 769. (mvitals[PM_SOLDIER].mvflags & G_GONE)) mkroom(BARRACKS); 770. 771. /* hives */ 772. if(depth(&u.uz) > 9 && !rn2(12) && 773. (mvitals[PM_KILLER_BEE].mvflags & G_GONE)) mkroom(BEEHIVE); 774. else if (u_depth > 12 && !rn2(8)) mkroom(ANTHOLE); 775. 776. /* zoos */ 777. if(depth(&u.uz) > 6 && !rn2(12)) mkroom(ZOO); 778. /* fungus farms are rare... */ 779. else if (u_depth > 7 && !rn2(25)) mkroom(FUNGUSFARM); 780. else if(depth(&u.uz) > 9 && !rn2(15)) mkroom(REALZOO); 781. 782. /* neat rooms */ 783. if(depth(&u.uz) > 8 && !rn2(13)) mkroom(TEMPLE); 784. else if(depth(&u.uz) > 11 && !rn2(14)) mkroom(MORGUE); 785. else if(depth(&u.uz) > 13 && !rn2(15)) mkroom(BADFOODSHOP); 786. else if(depth(&u.uz) > 18 && !rn2(7)) mkroom(SWAMP); 787. 788. /* dangerous ones */ 789. if (u_depth > 16 && !rn2(8) && 790. !(mvitals[PM_COCKATRICE].mvflags & G_GONE)) mkroom(COCKNEST); 791. else if(depth(&u.uz) > 20 && !rn2(20)) mkroom(DRAGONLAIR); 792. else if (u_depth > 25 && !rn2(20) && 793. !(mvitals[PM_MIGO_DRONE].mvflags & G_GONE)) mkroom(MIGOHIVE); 794. /* [DS] the restriction of lemure pits to Gehennom means they're 795. * never going to show up randomly (no random room+corridor 796. * levels in Gehennom). Perhaps this should be removed? */ 797. else if (In_hell(&u.uz) && !rn2(12) && 798. !(mvitals[PM_LEMURE].mvflags & G_GONE)) mkroom(LEMUREPIT); 799. } 800. 801. #ifdef REINCARNATION 802. skip0: 803. #endif 804. /* Place multi-dungeon branch. */ 805. place_branch(branchp, 0, 0); 806. 807. /* for each room: put things inside */ 808. for(croom = rooms; croom->hx > 0; croom++) { 809. if(croom->rtype != OROOM) continue; 810. 811. /* put a sleeping monster inside */ 812. /* Note: monster may be on the stairs. This cannot be 813. avoided: maybe the player fell through a trap door 814. while a monster was on the stairs. Conclusion: 815. we have to check for monsters on the stairs anyway. */ 816. if(u.uhave.amulet || !rn2(3)) { 817. x = somex(croom); y = somey(croom); 818. tmonst = makemon((struct permonst *) 0, x,y,NO_MM_FLAGS); 819. if (tmonst && tmonst->data == &mons[PM_GIANT_SPIDER] && 820. !occupied(x, y)) 821. (void) maketrap(x, y, WEB); 822. } 823. /* put traps and mimics inside */ 824. goldseen = FALSE; 825. x = 8 - (level_difficulty()/6); 826. if (x <= 1) x = 2; 827. while (!rn2(x)) 828. mktrap(0,0,croom,(coord*)0); 829. if (!goldseen && !rn2(3)) 830. (void) mkgold(0L, somex(croom), somey(croom)); 831. #ifdef REINCARNATION 832. x = 80 - (depth(&u.uz) * 2); 833. if (x < 2) x = 2; 834. if(!rn2(x)) mkgrave(croom); 835. 836. if(Is_rogue_level(&u.uz)) goto skip_nonrogue; 837. #endif 838. if(!rn2(10)) mkfount(0,croom); 839. #ifdef SINKS 840. if(!rn2(60)) { 841. mksink(croom); 842. if(!rn2(3)) mktoilet(croom); 843. } 844. #endif 845. x = 80 - (depth(&u.uz) * 2); 846. if (x < 2) x = 2; 847. if(!rn2(x)) mkgrave(croom); 848. if(!rn2(60)) mkaltar(croom); 849. 850. /* put statues inside */ 851. if(!rn2(20)) 852. (void) mkcorpstat(STATUE, (struct monst *)0, 853. (struct permonst *)0, 854. somex(croom), somey(croom), TRUE); 855. /* put box/chest inside; 856. * 40% chance for at least 1 box, regardless of number 857. * of rooms; about 5 - 7.5% for 2 boxes, least likely 858. * when few rooms; chance for 3 or more is neglible. 859. */ 860. if(!rn2(nroom * 5 / 2)) 861. (void) mksobj_at((rn2(3)) ? LARGE_BOX : CHEST, 862. somex(croom), somey(croom), TRUE, FALSE); 863. 864. /* maybe make some graffiti */ 865. if(!rn2(27 + 3 * abs(depth(&u.uz)))) { 866. char buf[BUFSZ]; 867. const char *mesg = random_engraving(buf); 868. if (mesg) { 869. do { 870. x = somex(croom); y = somey(croom); 871. } while(levl[x][y].typ != ROOM && !rn2(40)); 872. if (!(IS_POOL(levl[x][y].typ) || 873. IS_FURNITURE(levl[x][y].typ))) 874. make_engr_at(x, y, mesg, 0L, MARK); 875. } 876. } 877. 878. #ifdef REINCARNATION 879. skip_nonrogue: 880. #endif 881. 882. /* STEPHEN WHITE'S NEW CODE */ 883. if(!rn2(5)) { 884. (void) mkobj_at(0, somex(croom), somey(croom), TRUE); 885. tryct = 0; 886. while(!rn2(4)) { 887. if(++tryct > 100) { 888. impossible("tryct overflow4"); 889. break; 890. } 891. (void) mkobj_at(0, somex(croom), somey(croom), TRUE); 892. } 893. } 894. } 895. } 896. } 897. 898. /* 899. * Place deposits of minerals (gold and misc gems) in the stone 900. * surrounding the rooms on the map. 901. * Also place kelp in water. 902. */ 903. 904. STATIC_OVL void 905. mineralize() 906. { 907. s_level *sp; 908. struct obj *otmp; 909. int goldprob, gemprob, x, y, cnt; 910. 911. 912. /* Place kelp, except on the plane of water */ 913. if (In_endgame(&u.uz)) return; 914. for (x = 2; x < (COLNO - 2); x++) 915. for (y = 1; y < (ROWNO - 1); y++) 916. if ((levl[x][y].typ == POOL && !rn2(10)) || 917. (levl[x][y].typ == MOAT && !rn2(30))) 918. (void)mksobj_at(KELP_FROND, x, y, TRUE, FALSE); 919. 920. /* determine if it is even allowed; 921. almost all special levels are excluded */ 922. if (In_hell(&u.uz) || In_V_tower(&u.uz) || 923. #ifdef REINCARNATION 924. Is_rogue_level(&u.uz) || 925. #endif 926. level.flags.arboreal || 927. ((sp = Is_special(&u.uz)) != 0 && !Is_oracle_level(&u.uz) 928. && (!In_mines(&u.uz) || sp->flags.town) 929. )) return; 930. 931. /* basic level-related probabilities */ 932. goldprob = 20 + depth(&u.uz) / 3; 933. gemprob = goldprob / 4; 934. 935. /* mines have ***MORE*** goodies - otherwise why mine? */ 936. if (In_mines(&u.uz)) { 937. goldprob *= 2; 938. gemprob *= 3; 939. } else if (In_quest(&u.uz)) { 940. goldprob /= 4; 941. gemprob /= 6; 942. } 943. 944. /* 945. * Seed rock areas with gold and/or gems. 946. * We use fairly low level object handling to avoid unnecessary 947. * overhead from placing things in the floor chain prior to burial. 948. */ 949. for (x = 2; x < (COLNO - 2); x++) 950. for (y = 1; y < (ROWNO - 1); y++) 951. if (levl[x][y+1].typ != STONE) { /* <x,y> spot not eligible */ 952. y += 2; /* next two spots aren't eligible either */ 953. } else if (levl[x][y].typ != STONE) { /* this spot not eligible */ 954. y += 1; /* next spot isn't eligible either */ 955. } else if (!(levl[x][y].wall_info & W_NONDIGGABLE) && 956. levl[x][y-1].typ == STONE && 957. levl[x+1][y-1].typ == STONE && levl[x-1][y-1].typ == STONE && 958. levl[x+1][y].typ == STONE && levl[x-1][y].typ == STONE && 959. levl[x+1][y+1].typ == STONE && levl[x-1][y+1].typ == STONE) { 960. if (rn2(1000) < goldprob) { 961. if ((otmp = mksobj(GOLD_PIECE, FALSE, FALSE)) != 0) { 962. otmp->ox = x, otmp->oy = y; 963. otmp->quan = 1L + rnd(goldprob * 3); 964. otmp->owt = weight(otmp); 965. if (!rn2(3)) add_to_buried(otmp); 966. else place_object(otmp, x, y); 967. } 968. } 969. if (rn2(1000) < gemprob) { 970. for (cnt = rnd(2 + dunlev(&u.uz) / 3); cnt > 0; cnt--) 971. if ((otmp = mkobj(GEM_CLASS, FALSE)) != 0) { 972. if (otmp->otyp == ROCK) { 973. dealloc_obj(otmp); /* discard it */ 974. } else { 975. otmp->ox = x, otmp->oy = y; 976. if (!rn2(3)) add_to_buried(otmp); 977. else place_object(otmp, x, y); 978. } 979. } 980. } 981. } 982. } 983. 984. void 985. mklev() 986. { 987. struct mkroom *croom; 988. 989. if(getbones()) return; 990. in_mklev = TRUE; 991. makelevel(); 992. bound_digging(); 993. mineralize(); 994. in_mklev = FALSE; 995. /* has_morgue gets cleared once morgue is entered; graveyard stays 996. set (graveyard might already be set even when has_morgue is clear 997. [see fixup_special()], so don't update it unconditionally) */ 998. if (level.flags.has_morgue) 999. level.flags.graveyard = 1; 1000. if(!level.flags.is_maze_lev) { 1001. for (croom = &rooms[0]; croom != &rooms[nroom]; croom++) 1002. #ifdef SPECIALIZATION 1003. topologize(croom, FALSE); 1004. #else 1005. topologize(croom); 1006. #endif 1007. } 1008. set_wall_state(); 1009. } 1010. 1011. void 1012. #ifdef SPECIALIZATION 1013. topologize(croom, do_ordinary) 1014. register struct mkroom *croom; 1015. boolean do_ordinary; 1016. #else 1017. topologize(croom) 1018. register struct mkroom *croom; 1019. #endif 1020. { 1021. register int x, y, roomno = (croom - rooms) + ROOMOFFSET; 1022. register int lowx = croom->lx, lowy = croom->ly; 1023. register int hix = croom->hx, hiy = croom->hy; 1024. #ifdef SPECIALIZATION 1025. register schar rtype = croom->rtype; 1026. #endif 1027. register int subindex, nsubrooms = croom->nsubrooms; 1028. 1029. /* skip the room if already done; i.e. a shop handled out of order */ 1030. /* also skip if this is non-rectangular (it _must_ be done already) */ 1031. if ((int) levl[lowx][lowy].roomno == roomno || croom->irregular) 1032. return; 1033. #ifdef SPECIALIZATION 1034. # ifdef REINCARNATION 1035. if (Is_rogue_level(&u.uz)) 1036. do_ordinary = TRUE; /* vision routine helper */ 1037. # endif 1038. if ((rtype != OROOM) || do_ordinary) 1039. #endif 1040. { 1041. /* do innards first */ 1042. for(x = lowx; x <= hix; x++) 1043. for(y = lowy; y <= hiy; y++) 1044. #ifdef SPECIALIZATION 1045. if (rtype == OROOM) 1046. levl[x][y].roomno = NO_ROOM; 1047. else 1048. #endif 1049. levl[x][y].roomno = roomno; 1050. /* top and bottom edges */ 1051. for(x = lowx-1; x <= hix+1; x++) 1052. for(y = lowy-1; y <= hiy+1; y += (hiy-lowy+2)) { 1053. levl[x][y].edge = 1; 1054. if (levl[x][y].roomno) 1055. levl[x][y].roomno = SHARED; 1056. else 1057. levl[x][y].roomno = roomno; 1058. } 1059. /* sides */ 1060. for(x = lowx-1; x <= hix+1; x += (hix-lowx+2)) 1061. for(y = lowy; y <= hiy; y++) { 1062. levl[x][y].edge = 1; 1063. if (levl[x][y].roomno) 1064. levl[x][y].roomno = SHARED; 1065. else 1066. levl[x][y].roomno = roomno; 1067. } 1068. } 1069. /* subrooms */ 1070. for (subindex = 0; subindex < nsubrooms; subindex++) 1071. #ifdef SPECIALIZATION 1072. topologize(croom->sbrooms[subindex], (rtype != OROOM)); 1073. #else 1074. topologize(croom->sbrooms[subindex]); 1075. #endif 1076. } 1077. 1078. /* Find an unused room for a branch location. */ 1079. STATIC_OVL struct mkroom * 1080. find_branch_room(mp) 1081. coord *mp; 1082. { 1083. struct mkroom *croom = 0; 1084. 1085. if (nroom == 0) { 1086. mazexy(mp); /* already verifies location */ 1087. } else { 1088. /* not perfect - there may be only one stairway */ 1089. if(nroom > 2) { 1090. int tryct = 0; 1091. 1092. do 1093. croom = &rooms[rn2(nroom)]; 1094. while((croom == dnstairs_room || croom == upstairs_room || 1095. croom->rtype != OROOM) && (++tryct < 100)); 1096. } else 1097. croom = &rooms[rn2(nroom)]; 1098. 1099. do { 1100. if (!somexy(croom, mp)) 1101. impossible("Can't place branch!"); 1102. } while(occupied(mp->x, mp->y) || 1103. (levl[mp->x][mp->y].typ != CORR && levl[mp->x][mp->y].typ != ROOM)); 1104. } 1105. return croom; 1106. } 1107. 1108. /* Find the room for (x,y). Return null if not in a room. */ 1109. STATIC_OVL struct mkroom * 1110. pos_to_room(x, y) 1111. xchar x, y; 1112. { 1113. int i; 1114. struct mkroom *curr; 1115. 1116. for (curr = rooms, i = 0; i < nroom; curr++, i++) 1117. if (inside_room(curr, x, y)) return curr;; 1118. return (struct mkroom *) 0; 1119. } 1120. 1121. 1122. /* If given a branch, randomly place a special stair or portal. */ 1123. void 1124. place_branch(br, x, y) 1125. branch *br; /* branch to place */ 1126. xchar x, y; /* location */ 1127. { 1128. coord m; 1129. d_level *dest; 1130. boolean make_stairs; 1131. struct mkroom *br_room; 1132. 1133. /* 1134. * Return immediately if there is no branch to make or we have 1135. * already made one. This routine can be called twice when 1136. * a special level is loaded that specifies an SSTAIR location 1137. * as a favored spot for a branch. 1138. */ 1139. if (!br || made_branch) return; 1140. 1141. if (!x) { /* find random coordinates for branch */ 1142. br_room = find_branch_room(&m); 1143. x = m.x; 1144. y = m.y; 1145. } else { 1146. br_room = pos_to_room(x, y); 1147. } 1148. 1149. if (on_level(&br->end1, &u.uz)) { 1150. /* we're on end1 */ 1151. make_stairs = br->type != BR_NO_END1; 1152. dest = &br->end2; 1153. } else { 1154. /* we're on end2 */ 1155. make_stairs = br->type != BR_NO_END2; 1156. dest = &br->end1; 1157. } 1158. 1159. if (br->type == BR_PORTAL) { 1160. mkportal(x, y, dest->dnum, dest->dlevel); 1161. } else if (make_stairs) { 1162. sstairs.sx = x; 1163. sstairs.sy = y; 1164. sstairs.up = (char) on_level(&br->end1, &u.uz) ? 1165. br->end1_up : !br->end1_up; 1166. assign_level(&sstairs.tolev, dest); 1167. sstairs_room = br_room; 1168. 1169. levl[x][y].ladder = sstairs.up ? LA_UP : LA_DOWN; 1170. levl[x][y].typ = STAIRS; 1171. } 1172. /* 1173. * Set made_branch to TRUE even if we didn't make a stairwell (i.e. 1174. * make_stairs is false) since there is currently only one branch 1175. * per level, if we failed once, we're going to fail again on the 1176. * next call. 1177. */ 1178. made_branch = TRUE; 1179. } 1180. 1181. STATIC_OVL boolean 1182. bydoor(x, y) 1183. register xchar x, y; 1184. { 1185. register int typ; 1186. 1187. if (isok(x+1, y)) { 1188. typ = levl[x+1][y].typ; 1189. if (IS_DOOR(typ) || typ == SDOOR) return TRUE; 1190. } 1191. if (isok(x-1, y)) { 1192. typ = levl[x-1][y].typ; 1193. if (IS_DOOR(typ) || typ == SDOOR) return TRUE; 1194. } 1195. if (isok(x, y+1)) { 1196. typ = levl[x][y+1].typ; 1197. if (IS_DOOR(typ) || typ == SDOOR) return TRUE; 1198. } 1199. if (isok(x, y-1)) { 1200. typ = levl[x][y-1].typ; 1201. if (IS_DOOR(typ) || typ == SDOOR) return TRUE; 1202. } 1203. return FALSE; 1204. } 1205. 1206. /* see whether it is allowable to create a door at [x,y] */ 1207. int 1208. okdoor(x,y) 1209. register xchar x, y; 1210. { 1211. register boolean near_door = bydoor(x, y); 1212. 1213. return((levl[x][y].typ == HWALL || levl[x][y].typ == VWALL) && 1214. doorindex < DOORMAX && !near_door); 1215. } 1216. 1217. void 1218. dodoor(x,y,aroom) 1219. register int x, y; 1220. register struct mkroom *aroom; 1221. { 1222. if(doorindex >= DOORMAX) { 1223. impossible("DOORMAX exceeded?"); 1224. return; 1225. } 1226. 1227. dosdoor(x,y,aroom,rn2(8) ? DOOR : SDOOR); 1228. } 1229. 1230. boolean 1231. occupied(x, y) 1232. register xchar x, y; 1233. { 1234. return((boolean)(t_at(x, y) 1235. || IS_FURNITURE(levl[x][y].typ) 1236. || is_lava(x,y) 1237. || is_pool(x,y) 1238. || invocation_pos(x,y) 1239. )); 1240. } 1241. 1242. /* make a trap somewhere (in croom if mazeflag = 0 && !tm) */ 1243. /* if tm != null, make trap at that location */ 1244. void 1245. mktrap(num, mazeflag, croom, tm) 1246. register int num, mazeflag; 1247. register struct mkroom *croom; 1248. coord *tm; 1249. { 1250. register int kind; 1251. coord m; 1252. 1253. /* no traps in pools */ 1254. if (tm && is_pool(tm->x,tm->y)) return; 1255. 1256. if (num > 0 && num < TRAPNUM) { 1257. kind = num; 1258. #ifdef REINCARNATION 1259. } else if (Is_rogue_level(&u.uz)) { 1260. switch (rn2(7)) { 1261. default: kind = BEAR_TRAP; break; /* 0 */ 1262. case 1: kind = ARROW_TRAP; break; 1263. case 2: kind = DART_TRAP; break; 1264. case 3: kind = TRAPDOOR; break; 1265. case 4: kind = PIT; break; 1266. case 5: kind = SLP_GAS_TRAP; break; 1267. case 6: kind = RUST_TRAP; break; 1268. } 1269. #endif 1270. } else if (Inhell && !rn2(5)) { 1271. /* bias the frequency of fire traps in Gehennom */ 1272. kind = FIRE_TRAP; 1273. } else { 1274. unsigned lvl = level_difficulty(); 1275. 1276. do { 1277. kind = rnd(TRAPNUM-1); 1278. /* reject "too hard" traps */ 1279. switch (kind) { 1280. case MAGIC_PORTAL: 1281. kind = NO_TRAP; break; 1282. case ROLLING_BOULDER_TRAP: 1283. case SLP_GAS_TRAP: 1284. if (lvl < 2) kind = NO_TRAP; break; 1285. case LEVEL_TELEP: 1286. if (lvl < 5 || level.flags.noteleport) 1287. kind = NO_TRAP; break; 1288. case SPIKED_PIT: 1289. if (lvl < 5) kind = NO_TRAP; break; 1290. case LANDMINE: 1291. if (lvl < 6) kind = NO_TRAP; break; 1292. case WEB: 1293. if (lvl < 7) kind = NO_TRAP; break; 1294. case STATUE_TRAP: 1295. case POLY_TRAP: 1296. if (lvl < 8) kind = NO_TRAP; break; 1297. case FIRE_TRAP: 1298. if (!Inhell) kind = NO_TRAP; break; 1299. case TELEP_TRAP: 1300. if (level.flags.noteleport) kind = NO_TRAP; break; 1301. case HOLE: 1302. /* make these much less often than other traps */ 1303. if (rn2(7)) kind = NO_TRAP; break; 1304. } 1305. } while (kind == NO_TRAP); 1306. } 1307. 1308. if ((kind == TRAPDOOR || kind == HOLE) && !Can_fall_thru(&u.uz)) 1309. kind = ROCKTRAP; 1310. 1311. if (tm) 1312. m = *tm; 1313. else { 1314. register int tryct = 0; 1315. boolean avoid_boulder = (kind == PIT || kind == SPIKED_PIT || 1316. kind == TRAPDOOR || kind == HOLE); 1317. 1318. do { 1319. if (++tryct > 200) 1320. return; 1321. if (mazeflag) 1322. mazexy(&m); 1323. else if (!somexy(croom,&m)) 1324. return; 1325. } while (occupied(m.x, m.y) || 1326. (avoid_boulder && sobj_at(BOULDER, m.x, m.y))); 1327. } 1328. 1329. (void) maketrap(m.x, m.y, kind); 1330. if (kind == WEB) (void) makemon(&mons[PM_GIANT_SPIDER], 1331. m.x, m.y, NO_MM_FLAGS); 1332. } 1333. 1334. void 1335. mkstairs(x, y, up, croom) 1336. xchar x, y; 1337. char up; 1338. struct mkroom *croom; 1339. { 1340. if (!x) { 1341. impossible("mkstairs: bogus stair attempt at <%d,%d>", x, y); 1342. return; 1343. } 1344. 1345. /* 1346. * We can't make a regular stair off an end of the dungeon. This 1347. * attempt can happen when a special level is placed at an end and 1348. * has an up or down stair specified in its description file. 1349. */ 1350. if ((dunlev(&u.uz) == 1 && up) || 1351. (dunlev(&u.uz) == real_dunlevs_in_dungeon(&u.uz) && !up)) 1352. return; 1353. 1354. if(up) { 1355. xupstair = x; 1356. yupstair = y; 1357. upstairs_room = croom; 1358. } else { 1359. xdnstair = x; 1360. ydnstair = y; 1361. dnstairs_room = croom; 1362. } 1363. 1364. levl[x][y].typ = STAIRS; 1365. levl[x][y].ladder = up ? LA_UP : LA_DOWN; 1366. } 1367. 1368. STATIC_OVL 1369. void 1370. mkfount(mazeflag,croom) 1371. register int mazeflag; 1372. register struct mkroom *croom; 1373. { 1374. coord m; 1375. register int tryct = 0; 1376. 1377. do { 1378. if(++tryct > 200) return; 1379. if(mazeflag) 1380. mazexy(&m); 1381. else 1382. if (!somexy(croom, &m)) 1383. return; 1384. } while(occupied(m.x, m.y) || bydoor(m.x, m.y)); 1385. 1386. /* Put a fountain at m.x, m.y */ 1387. levl[m.x][m.y].typ = FOUNTAIN; 1388. /* Is it a "blessed" fountain? (affects drinking from fountain) */ 1389. if(!rn2(7)) levl[m.x][m.y].blessedftn = 1; 1390. 1391. level.flags.nfountains++; 1392. } 1393. 1394. #ifdef SINKS 1395. STATIC_OVL void 1396. mksink(croom) 1397. register struct mkroom *croom; 1398. { 1399. coord m; 1400. register int tryct = 0; 1401. 1402. do { 1403. if(++tryct > 200) return; 1404. if (!somexy(croom, &m)) 1405. return; 1406. } while(occupied(m.x, m.y) || bydoor(m.x, m.y)); 1407. 1408. /* Put a sink at m.x, m.y */ 1409. levl[m.x][m.y].typ = SINK; 1410. 1411. level.flags.nsinks++; 1412. } 1413. 1414. static void 1415. mktoilet(croom) 1416. register struct mkroom *croom; 1417. { 1418. coord m; 1419. register int tryct = 0; 1420. 1421. do { 1422. if(++tryct > 200) return; 1423. if (!somexy(croom, &m)) 1424. return; 1425. } while(occupied(m.x, m.y) || bydoor(m.x, m.y)); 1426. 1427. /* Put a toilet at m.x, m.y */ 1428. levl[m.x][m.y].typ = TOILET; 1429. 1430. level.flags.nsinks++; /* counted as a sink for sounds.c */ 1431. } 1432. #endif /* SINKS */ 1433. 1434. STATIC_OVL void 1435. mkaltar(croom) 1436. register struct mkroom *croom; 1437. { 1438. coord m; 1439. register int tryct = 0; 1440. aligntyp al; 1441. 1442. if(croom->rtype != OROOM) return; 1443. 1444. do { 1445. if(++tryct > 200) return; 1446. if (!somexy(croom, &m)) 1447. return; 1448. } while(occupied(m.x, m.y) || bydoor(m.x, m.y)); 1449. 1450. /* Put an altar at m.x, m.y */ 1451. levl[m.x][m.y].typ = ALTAR; 1452. 1453. /* -1 - A_CHAOTIC, 0 - A_NEUTRAL, 1 - A_LAWFUL */ 1454. al = rn2((int)A_LAWFUL+2) - 1; 1455. levl[m.x][m.y].altarmask = Align2amask( al ); 1456. } 1457. 1458. static void 1459. mkgrave(croom) 1460. struct mkroom *croom; 1461. { 1462. coord m; 1463. register int tryct = 0; 1464. register struct obj *otmp; 1465. boolean dobell = !rn2(10); 1466. 1467. 1468. if(croom->rtype != OROOM) return; 1469. 1470. do { 1471. if(++tryct > 200) return; 1472. if (!somexy(croom, &m)) 1473. return; 1474. } while (occupied(m.x, m.y) || bydoor(m.x, m.y)); 1475. 1476. /* Put a grave at m.x, m.y */ 1477. make_grave(m.x, m.y, dobell ? "Saved by the bell!" : (char *) 0); 1478. 1479. /* Possibly fill it with objects */ 1480. if (!rn2(3)) (void) mkgold(0L, m.x, m.y); 1481. for (tryct = rn2(5); tryct; tryct--) { 1482. otmp = mkobj(RANDOM_CLASS, TRUE); 1483. if (!otmp) return; 1484. curse(otmp); 1485. otmp->ox = m.x; 1486. otmp->oy = m.y; 1487. add_to_buried(otmp); 1488. } 1489. 1490. /* Leave a bell, in case we accidentally buried someone alive */ 1491. if (dobell) (void) mksobj_at(BELL, m.x, m.y, TRUE, FALSE); 1492. return; 1493. } 1494. 1495. /* maze levels have slightly different constraints from normal levels */ 1496. #define x_maze_min 2 1497. #define y_maze_min 2 1498. /* 1499. * Major level transmutation: add a set of stairs (to the Sanctum) after 1500. * an earthquake that leaves behind a a new topology, centered at inv_pos. 1501. * Assumes there are no rooms within the invocation area and that inv_pos 1502. * is not too close to the edge of the map. Also assume the hero can see, 1503. * which is guaranteed for normal play due to the fact that sight is needed 1504. * to read the Book of the Dead. 1505. */ 1506. void 1507. mkinvokearea() 1508. { 1509. int dist; 1510. xchar xmin = inv_pos.x, xmax = inv_pos.x; 1511. xchar ymin = inv_pos.y, ymax = inv_pos.y; 1512. register xchar i; 1513. 1514. pline_The("floor shakes violently under you!"); 1515. pline_The("walls around you begin to bend and crumble!"); 1516. display_nhwindow(WIN_MESSAGE, TRUE); 1517. 1518. mkinvpos(xmin, ymin, 0); /* middle, before placing stairs */ 1519. 1520. for(dist = 1; dist < 7; dist++) { 1521. xmin--; xmax++; 1522. 1523. /* top and bottom */ 1524. if(dist != 3) { /* the area is wider that it is high */ 1525. ymin--; ymax++; 1526. for(i = xmin+1; i < xmax; i++) { 1527. mkinvpos(i, ymin, dist); 1528. mkinvpos(i, ymax, dist); 1529. } 1530. } 1531. 1532. /* left and right */ 1533. for(i = ymin; i <= ymax; i++) { 1534. mkinvpos(xmin, i, dist); 1535. mkinvpos(xmax, i, dist); 1536. } 1537. 1538. flush_screen(1); /* make sure the new glyphs shows up */ 1539. delay_output(); 1540. } 1541. 1542. You("are standing at the top of a stairwell leading down!"); 1543. mkstairs(u.ux, u.uy, 0, (struct mkroom *)0); /* down */ 1544. newsym(u.ux, u.uy); 1545. vision_full_recalc = 1; /* everything changed */ 1546. } 1547. 1548. /* Change level topology. Boulders in the vicinity are eliminated. 1549. * Temporarily overrides vision in the name of a nice effect. 1550. */ 1551. STATIC_OVL void 1552. mkinvpos(x,y,dist) 1553. xchar x,y; 1554. int dist; 1555. { 1556. struct trap *ttmp; 1557. struct obj *otmp; 1558. boolean make_rocks; 1559. register struct rm *lev = &levl[x][y]; 1560. 1561. /* clip at existing map borders if necessary */ 1562. if (!within_bounded_area(x, y, x_maze_min + 1, y_maze_min + 1, 1563. x_maze_max - 1, y_maze_max - 1)) { 1564. /* only outermost 2 columns and/or rows may be truncated due to edge */ 1565. if (dist < (7 - 2)) 1566. panic("mkinvpos: <%d,%d> (%d) off map edge!", x, y, dist); 1567. return; 1568. } 1569. 1570. /* clear traps */ 1571. if ((ttmp = t_at(x,y)) != 0) deltrap(ttmp); 1572. 1573. /* clear boulders; leave some rocks for non-{moat|trap} locations */ 1574. make_rocks = (dist != 1 && dist != 4 && dist != 5) ? TRUE : FALSE; 1575. while ((otmp = sobj_at(BOULDER, x, y)) != 0) { 1576. if (make_rocks) { 1577. fracture_rock(otmp); 1578. make_rocks = FALSE; /* don't bother with more rocks */ 1579. } else { 1580. obj_extract_self(otmp); 1581. obfree(otmp, (struct obj *)0); 1582. } 1583. } 1584. unblock_point(x,y); /* make sure vision knows this location is open */ 1585. 1586. /* fake out saved state */ 1587. lev->seenv = 0; 1588. lev->doormask = 0; 1589. if(dist < 6) lev->lit = TRUE; 1590. lev->waslit = TRUE; 1591. lev->horizontal = FALSE; 1592. viz_array[y][x] = (dist < 6 ) ? 1593. (IN_SIGHT|COULD_SEE) : /* short-circuit vision recalc */ 1594. COULD_SEE; 1595. 1596. switch(dist) { 1597. case 1: /* fire traps */ 1598. if (is_pool(x,y)) break; 1599. lev->typ = ROOM; 1600. ttmp = maketrap(x, y, FIRE_TRAP); 1601. if (ttmp) ttmp->tseen = TRUE; 1602. break; 1603. case 0: /* lit room locations */ 1604. case 2: 1605. case 3: 1606. case 6: /* unlit room locations */ 1607. lev->typ = ROOM; 1608. break; 1609. case 4: /* pools (aka a wide moat) */ 1610. case 5: 1611. lev->typ = MOAT; 1612. /* No kelp! */ 1613. break; 1614. default: 1615. impossible("mkinvpos called with dist %d", dist); 1616. break; 1617. } 1618. 1619. /* display new value of position; could have a monster/object on it */ 1620. newsym(x,y); 1621. } 1622. 1623. /* 1624. * The portal to Ludios is special. The entrance can only occur within a 1625. * vault in the main dungeon at a depth greater than 10. The Ludios branch 1626. * structure reflects this by having a bogus "source" dungeon: the value 1627. * of n_dgns (thus, Is_branchlev() will never find it). 1628. * 1629. * Ludios will remain isolated until the branch is corrected by this function. 1630. */ 1631. STATIC_OVL void 1632. mk_knox_portal(x, y) 1633. xchar x, y; 1634. { 1635. extern int n_dgns; /* from dungeon.c */ 1636. d_level *source; 1637. branch *br; 1638. schar u_depth; 1639. 1640. br = dungeon_branch("Fort Ludios"); 1641. if (on_level(&knox_level, &br->end1)) { 1642. source = &br->end2; 1643. } else { 1644. /* disallow Knox branch on a level with one branch already */ 1645. if(Is_branchlev(&u.uz)) 1646. return; 1647. source = &br->end1; 1648. } 1649. 1650. /* Already set or 2/3 chance of deferring until a later level. */ 1651. if (source->dnum < n_dgns || (rn2(3) 1652. #ifdef WIZARD 1653. && !wizard 1654. #endif 1655. )) return; 1656. 1657. if (! (u.uz.dnum == oracle_level.dnum /* in main dungeon */ 1658. && !at_dgn_entrance("The Quest") /* but not Quest's entry */ 1659. && (u_depth = depth(&u.uz)) > 10 /* beneath 10 */ 1660. && u_depth < depth(&medusa_level))) /* and above Medusa */ 1661. return; 1662. 1663. /* Adjust source to be current level and re-insert branch. */ 1664. *source = u.uz; 1665. insert_branch(br, TRUE); 1666. 1667. #ifdef DEBUG 1668. pline("Made knox portal."); 1669. #endif 1670. place_branch(br, x, y); 1671. } 1672. 1673. /*mklev.c*/
