Source:NetHack 3.3.0/sp lev.c
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Below is the full text to sp_lev.c from the source code of NetHack 3.3.0. To link to a particular line, write [[NetHack 3.3.0/sp_lev.c#line123]], for example.
Warning! This is the source code from an old release. For the latest release, see Source code
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1. /* SCCS Id: @(#)sp_lev.c 3.3 1999/11/16 */ 2. /* Copyright (c) 1989 by Jean-Christophe Collet */ 3. /* NetHack may be freely redistributed. See license for details. */ 4. 5. /* 6. * This file contains the various functions that are related to the special 7. * levels. 8. * It contains also the special level loader. 9. * 10. */ 11. 12. #include "hack.h" 13. #include "dlb.h" 14. /* #define DEBUG */ /* uncomment to enable code debugging */ 15. 16. #ifdef DEBUG 17. # ifdef WIZARD 18. #define debugpline if (wizard) pline 19. # else 20. #define debugpline pline 21. # endif 22. #endif 23. 24. #include "sp_lev.h" 25. #include "rect.h" 26. 27. extern void FDECL(mkmap, (lev_init *)); 28. 29. STATIC_DCL void FDECL(get_room_loc, (schar *, schar *, struct mkroom *)); 30. STATIC_DCL void FDECL(get_free_room_loc, (schar *, schar *, struct mkroom *)); 31. STATIC_DCL void FDECL(create_trap, (trap *, struct mkroom *)); 32. STATIC_DCL void FDECL(create_monster, (monster *, struct mkroom *)); 33. STATIC_DCL void FDECL(create_object, (object *, struct mkroom *)); 34. STATIC_DCL void FDECL(create_engraving, (engraving *,struct mkroom *)); 35. STATIC_DCL void FDECL(create_stairs, (stair *, struct mkroom *)); 36. STATIC_DCL void FDECL(create_altar, (altar *, struct mkroom *)); 37. STATIC_DCL void FDECL(create_gold, (gold *, struct mkroom *)); 38. STATIC_DCL void FDECL(create_feature, (int,int,struct mkroom *,int)); 39. STATIC_DCL boolean FDECL(search_door, (struct mkroom *, xchar *, xchar *, 40. XCHAR_P, int)); 41. STATIC_DCL void NDECL(fix_stair_rooms); 42. STATIC_DCL void FDECL(create_corridor, (corridor *)); 43. 44. STATIC_DCL boolean FDECL(create_subroom, (struct mkroom *, XCHAR_P, XCHAR_P, 45. XCHAR_P, XCHAR_P, XCHAR_P, XCHAR_P)); 46. 47. #define LEFT 1 48. #define H_LEFT 2 49. #define CENTER 3 50. #define H_RIGHT 4 51. #define RIGHT 5 52. 53. #define TOP 1 54. #define BOTTOM 5 55. 56. #define sq(x) ((x)*(x)) 57. 58. #define XLIM 4 59. #define YLIM 3 60. 61. #define Fread (void)dlb_fread 62. #define Fgetc (schar)dlb_fgetc 63. #define New(type) (type *) alloc(sizeof(type)) 64. #define NewTab(type, size) (type **) alloc(sizeof(type *) * (unsigned)size) 65. #define Free(ptr) if(ptr) free((genericptr_t) (ptr)) 66. 67. static NEARDATA walk walklist[50]; 68. extern int min_rx, max_rx, min_ry, max_ry; /* from mkmap.c */ 69. 70. static char Map[COLNO][ROWNO]; 71. static char robjects[10], rloc_x[10], rloc_y[10], rmonst[10]; 72. static aligntyp ralign[3] = { AM_CHAOTIC, AM_NEUTRAL, AM_LAWFUL }; 73. static NEARDATA xchar xstart, ystart; 74. static NEARDATA char xsize, ysize; 75. 76. STATIC_DCL void FDECL(set_wall_property, (XCHAR_P,XCHAR_P,XCHAR_P,XCHAR_P,int)); 77. STATIC_DCL int NDECL(rnddoor); 78. STATIC_DCL int NDECL(rndtrap); 79. STATIC_DCL void FDECL(get_location, (schar *,schar *,int)); 80. STATIC_DCL void FDECL(sp_lev_shuffle, (char *,char *,int)); 81. STATIC_DCL void FDECL(light_region, (region *)); 82. STATIC_DCL void FDECL(load_common_data, (dlb *,int)); 83. STATIC_DCL void FDECL(load_one_monster, (dlb *,monster *)); 84. STATIC_DCL void FDECL(load_one_object, (dlb *,object *)); 85. STATIC_DCL void FDECL(load_one_engraving, (dlb *,engraving *)); 86. STATIC_DCL boolean FDECL(load_rooms, (dlb *)); 87. STATIC_DCL void FDECL(maze1xy, (coord *,int)); 88. STATIC_DCL boolean FDECL(load_maze, (dlb *)); 89. STATIC_DCL void FDECL(create_door, (room_door *, struct mkroom *)); 90. STATIC_DCL void FDECL(free_rooms,(room **, int)); 91. STATIC_DCL void FDECL(build_room, (room *, room*)); 92. 93. char *lev_message = 0; 94. lev_region *lregions = 0; 95. int num_lregions = 0; 96. lev_init init_lev; 97. 98. /* 99. * Make walls of the area (x1, y1, x2, y2) non diggable/non passwall-able 100. */ 101. 102. STATIC_OVL void 103. set_wall_property(x1,y1,x2,y2, prop) 104. xchar x1, y1, x2, y2; 105. int prop; 106. { 107. register xchar x, y; 108. 109. for(y = y1; y <= y2; y++) 110. for(x = x1; x <= x2; x++) 111. if(IS_STWALL(levl[x][y].typ)) 112. levl[x][y].wall_info |= prop; 113. } 114. 115. /* 116. * Choose randomly the state (nodoor, open, closed or locked) for a door 117. */ 118. STATIC_OVL int 119. rnddoor() 120. { 121. int i = 1 << rn2(5); 122. i >>= 1; 123. return i; 124. } 125. 126. /* 127. * Select a random trap 128. */ 129. STATIC_OVL int 130. rndtrap() 131. { 132. int rtrap; 133. 134. do { 135. rtrap = rnd(TRAPNUM-1); 136. switch (rtrap) { 137. case HOLE: /* no random holes on special levels */ 138. case MAGIC_PORTAL: rtrap = NO_TRAP; 139. break; 140. case TRAPDOOR: if (!Can_dig_down(&u.uz)) rtrap = NO_TRAP; 141. break; 142. case LEVEL_TELEP: 143. case TELEP_TRAP: if (level.flags.noteleport) rtrap = NO_TRAP; 144. break; 145. case ROLLING_BOULDER_TRAP: 146. case ROCKTRAP: if (In_endgame(&u.uz)) rtrap = NO_TRAP; 147. break; 148. } 149. } while (rtrap == NO_TRAP); 150. return rtrap; 151. } 152. 153. /* 154. * Coordinates in special level files are handled specially: 155. * 156. * if x or y is -11, we generate a random coordinate. 157. * if x or y is between -1 and -10, we read one from the corresponding 158. * register (x0, x1, ... x9). 159. * if x or y is nonnegative, we convert it from relative to the local map 160. * to global coordinates. 161. * The "humidity" flag is used to insure that engravings aren't 162. * created underwater, or eels on dry land. 163. */ 164. #define DRY 0x1 165. #define WET 0x2 166. 167. STATIC_DCL boolean FDECL(is_ok_location, (SCHAR_P, SCHAR_P, int)); 168. 169. STATIC_OVL void 170. get_location(x, y, humidity) 171. schar *x, *y; 172. int humidity; 173. { 174. int cpt = 0; 175. 176. if (*x >= 0) { /* normal locations */ 177. *x += xstart; 178. *y += ystart; 179. } else if (*x > -11) { /* special locations */ 180. *y = ystart + rloc_y[ - *y - 1]; 181. *x = xstart + rloc_x[ - *x - 1]; 182. } else { /* random location */ 183. do { 184. *x = xstart + rn2((int)xsize); 185. *y = ystart + rn2((int)ysize); 186. if (is_ok_location(*x,*y,humidity)) break; 187. } while (++cpt < 100); 188. if (cpt >= 100) { 189. register int xx, yy; 190. /* last try */ 191. for (xx = 0; xx < xsize; xx++) 192. for (yy = 0; yy < ysize; yy++) { 193. *x = xstart + xx; 194. *y = ystart + yy; 195. if (is_ok_location(*x,*y,humidity)) goto found_it; 196. } 197. panic("get_location: can't find a place!"); 198. } 199. } 200. found_it:; 201. 202. if (*x <= 0 || *x >= COLNO || *y < 0 || *y >= ROWNO) { 203. impossible("get_location: (%d,%d) out of bounds", *x, *y); 204. *x = x_maze_max; *y = y_maze_max; 205. } 206. } 207. 208. STATIC_OVL boolean 209. is_ok_location(x, y, humidity) 210. register schar x, y; 211. register int humidity; 212. { 213. register int typ; 214. 215. if (Is_waterlevel(&u.uz)) return TRUE; /* accept any spot */ 216. 217. if (humidity & DRY) { 218. typ = levl[x][y].typ; 219. if (typ == ROOM || typ == AIR || 220. typ == CLOUD || typ == ICE || typ == CORR) 221. return TRUE; 222. } 223. if (humidity & WET) { 224. if (is_pool(x,y) || is_lava(x,y)) 225. return TRUE; 226. } 227. return FALSE; 228. } 229. 230. /* 231. * Shuffle the registers for locations, objects or monsters 232. */ 233. 234. STATIC_OVL void 235. sp_lev_shuffle(list1, list2, n) 236. char list1[], list2[]; 237. int n; 238. { 239. register int i, j; 240. register char k; 241. 242. for (i = n - 1; i > 0; i--) { 243. if ((j = rn2(i + 1)) == i) continue; 244. k = list1[j]; 245. list1[j] = list1[i]; 246. list1[i] = k; 247. if (list2) { 248. k = list2[j]; 249. list2[j] = list2[i]; 250. list2[i] = k; 251. } 252. } 253. } 254. 255. /* 256. * Get a relative position inside a room. 257. * negative values for x or y means RANDOM! 258. */ 259. 260. STATIC_OVL void 261. get_room_loc(x,y, croom) 262. schar *x, *y; 263. struct mkroom *croom; 264. { 265. coord c; 266. 267. if (*x <0 && *y <0) { 268. if (somexy(croom, &c)) { 269. *x = c.x; 270. *y = c.y; 271. } else 272. panic("get_room_loc : can't find a place!"); 273. } else { 274. if (*x < 0) 275. *x = rn2(croom->hx - croom->lx + 1); 276. if (*y < 0) 277. *y = rn2(croom->hy - croom->ly + 1); 278. *x += croom->lx; 279. *y += croom->ly; 280. } 281. } 282. 283. /* 284. * Get a relative position inside a room. 285. * negative values for x or y means RANDOM! 286. */ 287. 288. STATIC_OVL void 289. get_free_room_loc(x,y, croom) 290. schar *x, *y; 291. struct mkroom *croom; 292. { 293. schar try_x, try_y; 294. register int trycnt = 0; 295. 296. do { 297. try_x = *x, try_y = *y; 298. get_room_loc(&try_x, &try_y, croom); 299. } while (levl[try_x][try_y].typ != ROOM && ++trycnt <= 100); 300. 301. if (trycnt > 100) 302. panic("get_free_room_loc: can't find a place!"); 303. *x = try_x, *y = try_y; 304. } 305. 306. boolean 307. check_room(lowx, ddx, lowy, ddy, vault) 308. xchar *lowx, *ddx, *lowy, *ddy; 309. boolean vault; 310. { 311. register int x,y,hix = *lowx + *ddx, hiy = *lowy + *ddy; 312. register struct rm *lev; 313. int xlim, ylim, ymax; 314. 315. xlim = XLIM + (vault ? 1 : 0); 316. ylim = YLIM + (vault ? 1 : 0); 317. 318. if (*lowx < 3) *lowx = 3; 319. if (*lowy < 2) *lowy = 2; 320. if (hix > COLNO-3) hix = COLNO-3; 321. if (hiy > ROWNO-3) hiy = ROWNO-3; 322. chk: 323. if (hix <= *lowx || hiy <= *lowy) return FALSE; 324. 325. /* check area around room (and make room smaller if necessary) */ 326. for (x = *lowx - xlim; x<= hix + xlim; x++) { 327. if(x <= 0 || x >= COLNO) continue; 328. y = *lowy - ylim; ymax = hiy + ylim; 329. if(y < 0) y = 0; 330. if(ymax >= ROWNO) ymax = (ROWNO-1); 331. lev = &levl[x][y]; 332. for (; y <= ymax; y++) { 333. if (lev++->typ) { 334. #ifdef DEBUG 335. if(!vault) 336. debugpline("strange area [%d,%d] in check_room.",x,y); 337. #endif 338. if (!rn2(3)) return FALSE; 339. if (x < *lowx) 340. *lowx = x + xlim + 1; 341. else 342. hix = x - xlim - 1; 343. if (y < *lowy) 344. *lowy = y + ylim + 1; 345. else 346. hiy = y - ylim - 1; 347. goto chk; 348. } 349. } 350. } 351. *ddx = hix - *lowx; 352. *ddy = hiy - *lowy; 353. return TRUE; 354. } 355. 356. /* 357. * Create a new room. 358. * This is still very incomplete... 359. */ 360. 361. boolean 362. create_room(x,y,w,h,xal,yal,rtype,rlit) 363. xchar x,y; 364. xchar w,h; 365. xchar xal,yal; 366. xchar rtype, rlit; 367. { 368. xchar xabs, yabs; 369. int wtmp, htmp, xaltmp, yaltmp, xtmp, ytmp; 370. NhRect *r1 = 0, r2; 371. int trycnt = 0; 372. boolean vault = FALSE; 373. int xlim = XLIM, ylim = YLIM; 374. 375. if (rtype == -1) /* Is the type random ? */ 376. rtype = OROOM; 377. 378. if (rtype == VAULT) { 379. vault = TRUE; 380. xlim++; 381. ylim++; 382. } 383. 384. /* on low levels the room is lit (usually) */ 385. /* some other rooms may require lighting */ 386. 387. /* is light state random ? */ 388. if (rlit == -1) 389. rlit = (rnd(1+abs(depth(&u.uz))) < 11 && rn2(77)) ? TRUE : FALSE; 390. 391. /* 392. * Here we will try to create a room. If some parameters are 393. * random we are willing to make several try before we give 394. * it up. 395. */ 396. do { 397. xchar xborder, yborder; 398. wtmp = w; htmp = h; 399. xtmp = x; ytmp = y; 400. xaltmp = xal; yaltmp = yal; 401. 402. /* First case : a totaly random room */ 403. 404. if((xtmp < 0 && ytmp <0 && wtmp < 0 && xaltmp < 0 && 405. yaltmp < 0) || vault) { 406. xchar hx, hy, lx, ly, dx, dy; 407. r1 = rnd_rect(); /* Get a random rectangle */ 408. 409. if (!r1) { /* No more free rectangles ! */ 410. #ifdef DEBUG 411. debugpline("No more rects..."); 412. #endif 413. return FALSE; 414. } 415. hx = r1->hx; 416. hy = r1->hy; 417. lx = r1->lx; 418. ly = r1->ly; 419. if (vault) 420. dx = dy = 1; 421. else { 422. dx = 2 + rn2((hx-lx > 28) ? 12 : 8); 423. dy = 2 + rn2(4); 424. if(dx*dy > 50) 425. dy = 50/dx; 426. } 427. xborder = (lx > 0 && hx < COLNO -1) ? 2*xlim : xlim+1; 428. yborder = (ly > 0 && hy < ROWNO -1) ? 2*ylim : ylim+1; 429. if(hx-lx < dx + 3 + xborder || 430. hy-ly < dy + 3 + yborder) { 431. r1 = 0; 432. continue; 433. } 434. xabs = lx + (lx > 0 ? xlim : 3) 435. + rn2(hx - (lx>0?lx : 3) - dx - xborder + 1); 436. yabs = ly + (ly > 0 ? ylim : 2) 437. + rn2(hy - (ly>0?ly : 2) - dy - yborder + 1); 438. if (ly == 0 && hy >= (ROWNO-1) && 439. (!nroom || !rn2(nroom)) && (yabs+dy > ROWNO/2)) { 440. yabs = rn1(3, 2); 441. if(nroom < 4 && dy>1) dy--; 442. } 443. if (!check_room(&xabs, &dx, &yabs, &dy, vault)) { 444. r1 = 0; 445. continue; 446. } 447. wtmp = dx+1; 448. htmp = dy+1; 449. r2.lx = xabs-1; r2.ly = yabs-1; 450. r2.hx = xabs + wtmp; 451. r2.hy = yabs + htmp; 452. } else { /* Only some parameters are random */ 453. int rndpos = 0; 454. if (xtmp < 0 && ytmp < 0) { /* Position is RANDOM */ 455. xtmp = rnd(5); 456. ytmp = rnd(5); 457. rndpos = 1; 458. } 459. if (wtmp < 0 || htmp < 0) { /* Size is RANDOM */ 460. wtmp = rn1(15, 3); 461. htmp = rn1(8, 2); 462. } 463. if (xaltmp == -1) /* Horizontal alignment is RANDOM */ 464. xaltmp = rnd(3); 465. if (yaltmp == -1) /* Vertical alignment is RANDOM */ 466. yaltmp = rnd(3); 467. 468. /* Try to generate real (absolute) coordinates here! */ 469. 470. xabs = (((xtmp-1) * COLNO) / 5) + 1; 471. yabs = (((ytmp-1) * ROWNO) / 5) + 1; 472. switch (xaltmp) { 473. case LEFT: 474. break; 475. case RIGHT: 476. xabs += (COLNO / 5) - wtmp; 477. break; 478. case CENTER: 479. xabs += ((COLNO / 5) - wtmp) / 2; 480. break; 481. } 482. switch (yaltmp) { 483. case TOP: 484. break; 485. case BOTTOM: 486. yabs += (ROWNO / 5) - htmp; 487. break; 488. case CENTER: 489. yabs += ((ROWNO / 5) - htmp) / 2; 490. break; 491. } 492. 493. if (xabs + wtmp - 1 > COLNO - 2) 494. xabs = COLNO - wtmp - 3; 495. if (xabs < 2) 496. xabs = 2; 497. if (yabs + htmp - 1> ROWNO - 2) 498. yabs = ROWNO - htmp - 3; 499. if (yabs < 2) 500. yabs = 2; 501. 502. /* Try to find a rectangle that fit our room ! */ 503. 504. r2.lx = xabs-1; r2.ly = yabs-1; 505. r2.hx = xabs + wtmp + rndpos; 506. r2.hy = yabs + htmp + rndpos; 507. r1 = get_rect(&r2); 508. } 509. } while (++trycnt <= 100 && !r1); 510. if (!r1) { /* creation of room failed ? */ 511. return FALSE; 512. } 513. split_rects(r1, &r2); 514. 515. if (!vault) { 516. smeq[nroom] = nroom; 517. add_room(xabs, yabs, xabs+wtmp-1, yabs+htmp-1, 518. rlit, rtype, FALSE); 519. } else { 520. rooms[nroom].lx = xabs; 521. rooms[nroom].ly = yabs; 522. } 523. return TRUE; 524. } 525. 526. /* 527. * Create a subroom in room proom at pos x,y with width w & height h. 528. * x & y are relative to the parent room. 529. */ 530. 531. STATIC_OVL boolean 532. create_subroom(proom, x, y, w, h, rtype, rlit) 533. struct mkroom *proom; 534. xchar x,y; 535. xchar w,h; 536. xchar rtype, rlit; 537. { 538. xchar width, height; 539. 540. width = proom->hx - proom->lx + 1; 541. height = proom->hy - proom->ly + 1; 542. 543. /* There is a minimum size for the parent room */ 544. if (width < 4 || height < 4) 545. return FALSE; 546. 547. /* Check for random position, size, etc... */ 548. 549. if (w == -1) 550. w = rnd(width - 3); 551. if (h == -1) 552. h = rnd(height - 3); 553. if (x == -1) 554. x = rnd(width - w - 1) - 1; 555. if (y == -1) 556. y = rnd(height - h - 1) - 1; 557. if (x == 1) 558. x = 0; 559. if (y == 1) 560. y = 0; 561. if ((x + w + 1) == width) 562. x++; 563. if ((y + h + 1) == height) 564. y++; 565. if (rtype == -1) 566. rtype = OROOM; 567. if (rlit == -1) 568. rlit = (rnd(1+abs(depth(&u.uz))) < 11 && rn2(77)) ? TRUE : FALSE; 569. add_subroom(proom, proom->lx + x, proom->ly + y, 570. proom->lx + x + w - 1, proom->ly + y + h - 1, 571. rlit, rtype, FALSE); 572. return TRUE; 573. } 574. 575. /* 576. * Create a new door in a room. 577. * It's placed on a wall (north, south, east or west). 578. */ 579. 580. STATIC_OVL void 581. create_door(dd, broom) 582. room_door *dd; 583. struct mkroom *broom; 584. { 585. int x, y; 586. int trycnt = 0; 587. 588. if (dd->secret == -1) 589. dd->secret = rn2(2); 590. 591. if (dd->mask == -1) { 592. /* is it a locked door, closed, or a doorway? */ 593. if (!dd->secret) { 594. if(!rn2(3)) { 595. if(!rn2(5)) 596. dd->mask = D_ISOPEN; 597. else if(!rn2(6)) 598. dd->mask = D_LOCKED; 599. else 600. dd->mask = D_CLOSED; 601. if (dd->mask != D_ISOPEN && !rn2(25)) 602. dd->mask |= D_TRAPPED; 603. } else 604. dd->mask = D_NODOOR; 605. } else { 606. if(!rn2(5)) dd->mask = D_LOCKED; 607. else dd->mask = D_CLOSED; 608. 609. if(!rn2(20)) dd->mask |= D_TRAPPED; 610. } 611. } 612. 613. do { 614. register int dwall, dpos; 615. 616. dwall = dd->wall; 617. if (dwall == -1) /* The wall is RANDOM */ 618. dwall = 1 << rn2(4); 619. 620. dpos = dd->pos; 621. if (dpos == -1) /* The position is RANDOM */ 622. dpos = rn2((dwall == W_WEST || dwall == W_EAST) ? 623. (broom->hy - broom->ly) : (broom->hx - broom->lx)); 624. 625. /* Convert wall and pos into an absolute coordinate! */ 626. 627. switch (dwall) { 628. case W_NORTH: 629. y = broom->ly - 1; 630. x = broom->lx + dpos; 631. break; 632. case W_SOUTH: 633. y = broom->hy + 1; 634. x = broom->lx + dpos; 635. break; 636. case W_WEST: 637. x = broom->lx - 1; 638. y = broom->ly + dpos; 639. break; 640. case W_EAST: 641. x = broom->hx + 1; 642. y = broom->ly + dpos; 643. break; 644. default: 645. x = y = 0; 646. panic("create_door: No wall for door!"); 647. break; 648. } 649. if (okdoor(x,y)) 650. break; 651. } while (++trycnt <= 100); 652. if (trycnt > 100) { 653. impossible("create_door: Can't find a proper place!"); 654. return; 655. } 656. add_door(x,y,broom); 657. levl[x][y].typ = (dd->secret ? SDOOR : DOOR); 658. levl[x][y].doormask = dd->mask; 659. } 660. 661. /* 662. * Create a secret door in croom on any one of the specified walls. 663. */ 664. void 665. create_secret_door(croom, walls) 666. struct mkroom *croom; 667. xchar walls; /* any of W_NORTH | W_SOUTH | W_EAST | W_WEST (or W_ANY) */ 668. { 669. xchar sx, sy; /* location of the secret door */ 670. int count; 671. 672. for(count = 0; count < 100; count++) { 673. sx = rn1(croom->hx - croom->lx + 1, croom->lx); 674. sy = rn1(croom->hy - croom->ly + 1, croom->ly); 675. 676. switch(rn2(4)) { 677. case 0: /* top */ 678. if(!(walls & W_NORTH)) continue; 679. sy = croom->ly-1; break; 680. case 1: /* bottom */ 681. if(!(walls & W_SOUTH)) continue; 682. sy = croom->hy+1; break; 683. case 2: /* left */ 684. if(!(walls & W_EAST)) continue; 685. sx = croom->lx-1; break; 686. case 3: /* right */ 687. if(!(walls & W_WEST)) continue; 688. sx = croom->hx+1; break; 689. } 690. 691. if(okdoor(sx,sy)) { 692. levl[sx][sy].typ = SDOOR; 693. levl[sx][sy].doormask = D_CLOSED; 694. add_door(sx,sy,croom); 695. return; 696. } 697. } 698. 699. impossible("couldn't create secret door on any walls 0x%x", walls); 700. } 701. 702. /* 703. * Create a trap in a room. 704. */ 705. 706. STATIC_OVL void 707. create_trap(t,croom) 708. trap *t; 709. struct mkroom *croom; 710. { 711. schar x,y; 712. coord tm; 713. 714. if (rn2(100) < t->chance) { 715. x = t->x; 716. y = t->y; 717. if (croom) 718. get_free_room_loc(&x, &y, croom); 719. else 720. get_location(&x, &y, DRY); 721. 722. tm.x = x; 723. tm.y = y; 724. 725. mktrap(t->type, 1, (struct mkroom*) 0, &tm); 726. } 727. } 728. 729. /* 730. * Create a monster in a room. 731. */ 732. 733. STATIC_OVL void 734. create_monster(m,croom) 735. monster *m; 736. struct mkroom *croom; 737. { 738. struct monst *mtmp; 739. schar x, y; 740. char class; 741. aligntyp amask; 742. coord cc; 743. struct permonst *pm; 744. unsigned g_mvflags; 745. 746. if (rn2(100) < m->chance) { 747. 748. if (m->class >= 0) 749. class = (char) def_char_to_monclass((char)m->class); 750. else if (m->class > -11) 751. class = (char) def_char_to_monclass(rmonst[- m->class - 1]); 752. else 753. class = 0; 754. 755. if (class == MAXMCLASSES) 756. panic("create_monster: unknown monster class '%c'", m->class); 757. 758. amask = (m->align <= -11) ? induced_align(80) : 759. (m->align < 0 ? ralign[-m->align-1] : m->align); 760. 761. if (!class) 762. pm = (struct permonst *) 0; 763. else if (m->id != NON_PM) { 764. pm = &mons[m->id]; 765. g_mvflags = (unsigned) mvitals[monsndx(pm)].mvflags; 766. if ((pm->geno & G_UNIQ) && (g_mvflags & G_EXTINCT)) 767. goto m_done; 768. else if (g_mvflags & G_GONE) /* genocided or extinct */ 769. pm = (struct permonst *) 0; /* make random monster */ 770. } else { 771. pm = mkclass(class,G_NOGEN); 772. /* if we can't get a specific monster type (pm == 0) then the 773. class has been genocided, so settle for a random monster */ 774. } 775. 776. x = m->x; 777. y = m->y; 778. if (croom) 779. get_room_loc(&x, &y, croom); 780. else { 781. if (!pm || !is_swimmer(pm)) 782. get_location(&x, &y, DRY); 783. else if (pm->mlet == S_EEL) 784. get_location(&x, &y, WET); 785. else 786. get_location(&x, &y, DRY|WET); 787. } 788. /* try to find a close place if someone else is already there */ 789. if (MON_AT(x,y) && enexto(&cc, x, y, pm)) 790. x = cc.x, y = cc.y; 791. 792. if(m->align != -12) 793. mtmp = mk_roamer(pm, Amask2align(amask), x, y, m->peaceful); 794. else if(PM_ARCHEOLOGIST <= m->id && m->id <= PM_WIZARD) 795. mtmp = mk_mplayer(pm, x, y, FALSE); 796. else mtmp = makemon(pm, x, y, NO_MM_FLAGS); 797. 798. if (mtmp) { 799. /* handle specific attributes for some special monsters */ 800. if (m->name.str) mtmp = christen_monst(mtmp, m->name.str); 801. 802. /* 803. * This is currently hardwired for mimics only. It should 804. * eventually be expanded. 805. */ 806. if (m->appear_as.str && mtmp->data->mlet == S_MIMIC) { 807. int i; 808. 809. switch (m->appear) { 810. case M_AP_NOTHING: 811. impossible( 812. "create_monster: mon has an appearance, \"%s\", but no type", 813. m->appear_as.str); 814. break; 815. 816. case M_AP_FURNITURE: 817. for (i = 0; i < MAXPCHARS; i++) 818. if (!strcmp(defsyms[i].explanation, 819. m->appear_as.str)) 820. break; 821. if (i == MAXPCHARS) { 822. impossible( 823. "create_monster: can't find feature \"%s\"", 824. m->appear_as.str); 825. } else { 826. mtmp->m_ap_type = M_AP_FURNITURE; 827. mtmp->mappearance = i; 828. } 829. break; 830. 831. case M_AP_OBJECT: 832. for (i = 0; i < NUM_OBJECTS; i++) 833. if (!strcmp(OBJ_NAME(objects[i]), 834. m->appear_as.str)) 835. break; 836. if (i == NUM_OBJECTS) { 837. impossible( 838. "create_monster: can't find object \"%s\"", 839. m->appear_as.str); 840. } else { 841. mtmp->m_ap_type = M_AP_OBJECT; 842. mtmp->mappearance = i; 843. } 844. break; 845. 846. case M_AP_MONSTER: 847. /* note: mimics don't appear as monsters! */ 848. /* (but chameleons can :-) */ 849. default: 850. impossible( 851. "create_monster: unimplemented mon appear type [%d,\"%s\"]", 852. m->appear, m->appear_as.str); 853. break; 854. } 855. if (does_block(x, y, &levl[x][y])) 856. block_point(x, y); 857. } 858. 859. if (m->peaceful >= 0) { 860. mtmp->mpeaceful = m->peaceful; 861. /* changed mpeaceful again; have to reset malign */ 862. set_malign(mtmp); 863. } 864. if (m->asleep >= 0) { 865. #ifdef UNIXPC 866. /* optimizer bug strikes again */ 867. if (m->asleep) 868. mtmp->msleeping = 1; 869. else 870. mtmp->msleeping = 0; 871. #else 872. mtmp->msleeping = m->asleep; 873. #endif 874. } 875. } 876. 877. } /* if (rn2(100) < m->chance) */ 878. m_done: 879. Free(m->name.str); 880. Free(m->appear_as.str); 881. } 882. 883. /* 884. * Create an object in a room. 885. */ 886. 887. STATIC_OVL void 888. create_object(o,croom) 889. object *o; 890. struct mkroom *croom; 891. { 892. struct obj *otmp; 893. schar x, y; 894. char c; 895. 896. if (rn2(100) < o->chance) { 897. 898. x = o->x; y = o->y; 899. if (croom) 900. get_room_loc(&x, &y, croom); 901. else 902. get_location(&x, &y, DRY); 903. 904. if (o->class >= 0) 905. c = o->class; 906. else if (o->class > -11) 907. c = robjects[ -(o->class+1)]; 908. else 909. c = 0; 910. 911. if (!c) 912. otmp = mkobj_at(RANDOM_CLASS, x, y, TRUE); 913. else if (o->id != -1) 914. otmp = mksobj_at(o->id, x, y, TRUE); 915. else { 916. /* 917. * The special levels are compiled with the default "text" object 918. * class characters. We must convert them to the internal format. 919. */ 920. char oclass = (char) def_char_to_objclass(c); 921. 922. if (oclass == MAXOCLASSES) 923. panic("create_object: unexpected object class '%c'",c); 924. 925. /* KMH -- Create piles of gold properly */ 926. if (oclass == GOLD_CLASS) 927. otmp = mkgold(0L, x, y); 928. else 929. otmp = mkobj_at(oclass, x, y, TRUE); 930. } 931. 932. if (o->spe != -127) /* That means NOT RANDOM! */ 933. otmp->spe = (schar)o->spe; 934. 935. switch (o->curse_state) { 936. case 1: bless(otmp); break; /* BLESSED */ 937. case 2: unbless(otmp); uncurse(otmp); break; /* uncursed */ 938. case 3: curse(otmp); break; /* CURSED */ 939. default: break; /* Otherwise it's random and we're happy 940. * with what mkobj gave us! */ 941. } 942. 943. /* corpsenm is "empty" if -1, random if -2, otherwise specific */ 944. if (o->corpsenm == NON_PM - 1) otmp->corpsenm = rndmonnum(); 945. else if (o->corpsenm != NON_PM) otmp->corpsenm = o->corpsenm; 946. 947. /* assume we wouldn't be given an egg corpsenm unless it was 948. hatchable */ 949. if (otmp->otyp == EGG && otmp->corpsenm != NON_PM) 950. if (dead_species(otmp->otyp, TRUE)) 951. kill_egg(otmp); /* make sure nothing hatches */ 952. else 953. attach_egg_hatch_timeout(otmp); /* attach new hatch timeout */ 954. 955. if (o->name.str) { /* Give a name to that object */ 956. otmp = oname(otmp, o->name.str); 957. } 958. 959. switch(o->containment) { 960. static struct obj *container = 0; 961. 962. /* contents */ 963. case 1: 964. if (!container) { 965. impossible("create_object: no container"); 966. break; 967. } 968. remove_object(otmp); 969. add_to_container(container, otmp); 970. goto o_done; /* don't stack, but do other cleanup */ 971. /* container */ 972. case 2: 973. delete_contents(otmp); 974. container = otmp; 975. break; 976. /* nothing */ 977. case 0: break; 978. 979. default: impossible("containment type %d?", (int) o->containment); 980. } 981. 982. /* Medusa level special case: statues are petrified monsters, so they 983. * are not stone-resistant and have monster inventory. They also lack 984. * other contents, but that can be specified as an empty container. 985. */ 986. if (o->id == STATUE && Is_medusa_level(&u.uz) && 987. o->corpsenm == NON_PM) { 988. struct monst *was; 989. struct obj *obj; 990. int wastyp; 991. 992. /* Named random statues are of player types, and aren't stone- 993. * resistant (if they were, we'd have to reset the name as well as 994. * setting corpsenm). 995. */ 996. for (wastyp = otmp->corpsenm; ; wastyp = rndmonnum()) { 997. /* makemon without rndmonst() might create a group */ 998. was = makemon(&mons[wastyp], 0, 0, NO_MM_FLAGS); 999. if (!resists_ston(was)) break; 1000. mongone(was); 1001. } 1002. otmp->corpsenm = wastyp; 1003. while(was->minvent) { 1004. obj = was->minvent; 1005. obj->owornmask = 0; 1006. obj_extract_self(obj); 1007. add_to_container(otmp, obj); 1008. } 1009. mongone(was); 1010. } 1011. 1012. stackobj(otmp); 1013. 1014. } /* if (rn2(100) < o->chance) */ 1015. o_done: 1016. Free(o->name.str); 1017. } 1018. 1019. /* 1020. * Randomly place a specific engraving, then release its memory. 1021. */ 1022. STATIC_OVL void 1023. create_engraving(e, croom) 1024. engraving *e; 1025. struct mkroom *croom; 1026. { 1027. xchar x, y; 1028. 1029. x = e->x, y = e->y; 1030. if (croom) 1031. get_room_loc(&x, &y, croom); 1032. else 1033. get_location(&x, &y, DRY); 1034. 1035. make_engr_at(x, y, e->engr.str, 0L, e->etype); 1036. free((genericptr_t) e->engr.str); 1037. } 1038. 1039. /* 1040. * Create stairs in a room. 1041. * 1042. */ 1043. 1044. STATIC_OVL void 1045. create_stairs(s,croom) 1046. stair *s; 1047. struct mkroom *croom; 1048. { 1049. schar x,y; 1050. 1051. x = s->x; y = s->y; 1052. get_free_room_loc(&x, &y, croom); 1053. mkstairs(x,y,(char)s->up, croom); 1054. } 1055. 1056. /* 1057. * Create an altar in a room. 1058. */ 1059. 1060. STATIC_OVL void 1061. create_altar(a, croom) 1062. altar *a; 1063. struct mkroom *croom; 1064. { 1065. schar sproom,x,y; 1066. aligntyp amask; 1067. boolean croom_is_temple = TRUE; 1068. int oldtyp; 1069. 1070. x = a->x; y = a->y; 1071. 1072. if (croom) { 1073. get_free_room_loc(&x, &y, croom); 1074. if (croom->rtype != TEMPLE) 1075. croom_is_temple = FALSE; 1076. } else { 1077. get_location(&x, &y, DRY); 1078. if ((sproom = (schar) *in_rooms(x, y, TEMPLE)) != 0) 1079. croom = &rooms[sproom - ROOMOFFSET]; 1080. else 1081. croom_is_temple = FALSE; 1082. } 1083. 1084. /* check for existing features */ 1085. oldtyp = levl[x][y].typ; 1086. if (oldtyp == STAIRS || oldtyp == LADDER) 1087. return; 1088. 1089. a->x = x; 1090. a->y = y; 1091. 1092. /* Is the alignment random ? 1093. * If so, it's an 80% chance that the altar will be co-aligned. 1094. * 1095. * The alignment is encoded as amask values instead of alignment 1096. * values to avoid conflicting with the rest of the encoding, 1097. * shared by many other parts of the special level code. 1098. */ 1099. 1100. amask = (a->align == -11) ? induced_align(80) : 1101. (a->align < 0 ? ralign[-a->align-1] : a->align); 1102. 1103. levl[x][y].typ = ALTAR; 1104. levl[x][y].altarmask = amask; 1105. 1106. if (a->shrine == -11) a->shrine = rn2(1); /* handle random case */ 1107. 1108. if (oldtyp == FOUNTAIN) 1109. level.flags.nfountains--; 1110. else if (oldtyp == SINK) 1111. level.flags.nsinks--; 1112. 1113. if (!croom_is_temple || !a->shrine) return; 1114. 1115. if (a->shrine) { /* Is it a shrine or sanctum? */ 1116. priestini(&u.uz, croom, x, y, (a->shrine > 1)); 1117. levl[x][y].altarmask |= AM_SHRINE; 1118. level.flags.has_temple = TRUE; 1119. } 1120. } 1121. 1122. /* 1123. * Create a gold pile in a room. 1124. */ 1125. 1126. STATIC_OVL void 1127. create_gold(g,croom) 1128. gold *g; 1129. struct mkroom *croom; 1130. { 1131. schar x,y; 1132. 1133. x = g->x; y= g->y; 1134. if (croom) 1135. get_room_loc(&x, &y, croom); 1136. else 1137. get_location(&x, &y, DRY); 1138. 1139. if (g->amount == -1) 1140. g->amount = rnd(200); 1141. (void) mkgold((long) g->amount, x, y); 1142. } 1143. 1144. /* 1145. * Create a feature (e.g a fountain) in a room. 1146. */ 1147. 1148. STATIC_OVL void 1149. create_feature(fx, fy, croom, typ) 1150. int fx, fy; 1151. struct mkroom *croom; 1152. int typ; 1153. { 1154. schar x,y; 1155. int trycnt = 0; 1156. 1157. x = fx; y = fy; 1158. if (croom) { 1159. if (x < 0 && y < 0) 1160. do { 1161. x = -1; y = -1; 1162. get_room_loc(&x, &y, croom); 1163. } while (++trycnt <= 200 && occupied(x,y)); 1164. else 1165. get_room_loc(&x, &y, croom); 1166. if(trycnt > 200) 1167. return; 1168. } else { 1169. get_location(&x, &y, DRY); 1170. } 1171. /* Don't cover up an existing feature (particularly randomly 1172. placed stairs). However, if the _same_ feature is already 1173. here, it came from the map drawing and we still need to 1174. update the special counters. */ 1175. if (IS_FURNITURE(levl[x][y].typ) && levl[x][y].typ != typ) 1176. return; 1177. 1178. levl[x][y].typ = typ; 1179. if (typ == FOUNTAIN) 1180. level.flags.nfountains++; 1181. else if (typ == SINK) 1182. level.flags.nsinks++; 1183. } 1184. 1185. /* 1186. * Search for a door in a room on a specified wall. 1187. */ 1188. 1189. STATIC_OVL boolean 1190. search_door(croom,x,y,wall,cnt) 1191. struct mkroom *croom; 1192. xchar *x, *y; 1193. xchar wall; 1194. int cnt; 1195. { 1196. int dx, dy; 1197. int xx,yy; 1198. 1199. switch(wall) { 1200. case W_NORTH: 1201. dy = 0; dx = 1; 1202. xx = croom->lx; 1203. yy = croom->hy + 1; 1204. break; 1205. case W_SOUTH: 1206. dy = 0; dx = 1; 1207. xx = croom->lx; 1208. yy = croom->ly - 1; 1209. break; 1210. case W_EAST: 1211. dy = 1; dx = 0; 1212. xx = croom->hx + 1; 1213. yy = croom->ly; 1214. break; 1215. case W_WEST: 1216. dy = 1; dx = 0; 1217. xx = croom->lx - 1; 1218. yy = croom->ly; 1219. break; 1220. default: 1221. dx = dy = xx = yy = 0; 1222. panic("search_door: Bad wall!"); 1223. break; 1224. } 1225. while (xx <= croom->hx+1 && yy <= croom->hy+1) { 1226. if (IS_DOOR(levl[xx][yy].typ) || levl[xx][yy].typ == SDOOR) { 1227. *x = xx; 1228. *y = yy; 1229. if (cnt-- <= 0) 1230. return TRUE; 1231. } 1232. xx += dx; 1233. yy += dy; 1234. } 1235. return FALSE; 1236. } 1237. 1238. /* 1239. * Dig a corridor between two points. 1240. */ 1241. 1242. boolean 1243. dig_corridor(org,dest,nxcor,ftyp,btyp) 1244. coord *org, *dest; 1245. boolean nxcor; 1246. schar ftyp, btyp; 1247. { 1248. register int dx=0, dy=0, dix, diy, cct; 1249. register struct rm *crm; 1250. register int tx, ty, xx, yy; 1251. 1252. xx = org->x; yy = org->y; 1253. tx = dest->x; ty = dest->y; 1254. if (xx <= 0 || yy <= 0 || tx <= 0 || ty <= 0 || 1255. xx > COLNO-1 || tx > COLNO-1 || 1256. yy > ROWNO-1 || ty > ROWNO-1) { 1257. #ifdef DEBUG 1258. debugpline("dig_corridor: bad coords : (%d,%d) (%d,%d).", 1259. xx,yy,tx,ty); 1260. #endif 1261. return FALSE; 1262. } 1263. if (tx > xx) dx = 1; 1264. else if (ty > yy) dy = 1; 1265. else if (tx < xx) dx = -1; 1266. else dy = -1; 1267. 1268. xx -= dx; 1269. yy -= dy; 1270. cct = 0; 1271. while(xx != tx || yy != ty) { 1272. /* loop: dig corridor at [xx,yy] and find new [xx,yy] */ 1273. if(cct++ > 500 || (nxcor && !rn2(35))) 1274. return FALSE; 1275. 1276. xx += dx; 1277. yy += dy; 1278. 1279. if(xx >= COLNO-1 || xx <= 0 || yy <= 0 || yy >= ROWNO-1) 1280. return FALSE; /* impossible */ 1281. 1282. crm = &levl[xx][yy]; 1283. if(crm->typ == btyp) { 1284. if(ftyp != CORR || rn2(100)) { 1285. crm->typ = ftyp; 1286. if(nxcor && !rn2(50)) 1287. (void) mksobj_at(BOULDER, xx, yy, TRUE); 1288. } else { 1289. crm->typ = SCORR; 1290. } 1291. } else 1292. if(crm->typ != ftyp && crm->typ != SCORR) { 1293. /* strange ... */ 1294. return FALSE; 1295. } 1296. 1297. /* find next corridor position */ 1298. dix = abs(xx-tx); 1299. diy = abs(yy-ty); 1300. 1301. /* do we have to change direction ? */ 1302. if(dy && dix > diy) { 1303. register int ddx = (xx > tx) ? -1 : 1; 1304. 1305. crm = &levl[xx+ddx][yy]; 1306. if(crm->typ == btyp || crm->typ == ftyp || crm->typ == SCORR) { 1307. dx = ddx; 1308. dy = 0; 1309. continue; 1310. } 1311. } else if(dx && diy > dix) { 1312. register int ddy = (yy > ty) ? -1 : 1; 1313. 1314. crm = &levl[xx][yy+ddy]; 1315. if(crm->typ == btyp || crm->typ == ftyp || crm->typ == SCORR) { 1316. dy = ddy; 1317. dx = 0; 1318. continue; 1319. } 1320. } 1321. 1322. /* continue straight on? */ 1323. crm = &levl[xx+dx][yy+dy]; 1324. if(crm->typ == btyp || crm->typ == ftyp || crm->typ == SCORR) 1325. continue; 1326. 1327. /* no, what must we do now?? */ 1328. if(dx) { 1329. dx = 0; 1330. dy = (ty < yy) ? -1 : 1; 1331. } else { 1332. dy = 0; 1333. dx = (tx < xx) ? -1 : 1; 1334. } 1335. crm = &levl[xx+dx][yy+dy]; 1336. if(crm->typ == btyp || crm->typ == ftyp || crm->typ == SCORR) 1337. continue; 1338. dy = -dy; 1339. dx = -dx; 1340. } 1341. return TRUE; 1342. } 1343. 1344. /* 1345. * Disgusting hack: since special levels have their rooms filled before 1346. * sorting the rooms, we have to re-arrange the speed values upstairs_room 1347. * and dnstairs_room after the rooms have been sorted. On normal levels, 1348. * stairs don't get created until _after_ sorting takes place. 1349. */ 1350. STATIC_OVL void 1351. fix_stair_rooms() 1352. { 1353. int i; 1354. struct mkroom *croom; 1355. 1356. if(xdnstair && 1357. !((dnstairs_room->lx <= xdnstair && xdnstair <= dnstairs_room->hx) && 1358. (dnstairs_room->ly <= ydnstair && ydnstair <= dnstairs_room->hy))) { 1359. for(i=0; i < nroom; i++) { 1360. croom = &rooms[i]; 1361. if((croom->lx <= xdnstair && xdnstair <= croom->hx) && 1362. (croom->ly <= ydnstair && ydnstair <= croom->hy)) { 1363. dnstairs_room = croom; 1364. break; 1365. } 1366. } 1367. if(i == nroom) 1368. panic("Couldn't find dnstair room in fix_stair_rooms!"); 1369. } 1370. if(xupstair && 1371. !((upstairs_room->lx <= xupstair && xupstair <= upstairs_room->hx) && 1372. (upstairs_room->ly <= yupstair && yupstair <= upstairs_room->hy))) { 1373. for(i=0; i < nroom; i++) { 1374. croom = &rooms[i]; 1375. if((croom->lx <= xupstair && xupstair <= croom->hx) && 1376. (croom->ly <= yupstair && yupstair <= croom->hy)) { 1377. upstairs_room = croom; 1378. break; 1379. } 1380. } 1381. if(i == nroom) 1382. panic("Couldn't find upstair room in fix_stair_rooms!"); 1383. } 1384. } 1385. 1386. /* 1387. * Corridors always start from a door. But it can end anywhere... 1388. * Basically we search for door coordinates or for endpoints coordinates 1389. * (from a distance). 1390. */ 1391. 1392. STATIC_OVL void 1393. create_corridor(c) 1394. corridor *c; 1395. { 1396. coord org, dest; 1397. 1398. if (c->src.room == -1) { 1399. sort_rooms(); 1400. fix_stair_rooms(); 1401. makecorridors(); 1402. return; 1403. } 1404. 1405. if( !search_door(&rooms[c->src.room], &org.x, &org.y, c->src.wall, 1406. c->src.door)) 1407. return; 1408. 1409. if (c->dest.room != -1) { 1410. if(!search_door(&rooms[c->dest.room], &dest.x, &dest.y, 1411. c->dest.wall, c->dest.door)) 1412. return; 1413. switch(c->src.wall) { 1414. case W_NORTH: org.y--; break; 1415. case W_SOUTH: org.y++; break; 1416. case W_WEST: org.x--; break; 1417. case W_EAST: org.x++; break; 1418. } 1419. switch(c->dest.wall) { 1420. case W_NORTH: dest.y--; break; 1421. case W_SOUTH: dest.y++; break; 1422. case W_WEST: dest.x--; break; 1423. case W_EAST: dest.x++; break; 1424. } 1425. (void) dig_corridor(&org, &dest, FALSE, CORR, STONE); 1426. } 1427. } 1428. 1429. 1430. /* 1431. * Fill a room (shop, zoo, etc...) with appropriate stuff. 1432. */ 1433. 1434. void 1435. fill_room(croom, prefilled) 1436. struct mkroom *croom; 1437. boolean prefilled; 1438. { 1439. if (!croom || croom->rtype == OROOM) 1440. return; 1441. 1442. if (!prefilled) { 1443. int x,y; 1444. 1445. /* Shop ? */ 1446. if (croom->rtype >= SHOPBASE) { 1447. stock_room(croom->rtype - SHOPBASE, croom); 1448. level.flags.has_shop = TRUE; 1449. return; 1450. } 1451. 1452. switch (croom->rtype) { 1453. case VAULT: 1454. for (x=croom->lx;x<=croom->hx;x++) 1455. for (y=croom->ly;y<=croom->hy;y++) 1456. (void) mkgold((long)rn1(abs(depth(&u.uz))*100, 51), x, y); 1457. break; 1458. case COURT: 1459. case ZOO: 1460. case BEEHIVE: 1461. case MORGUE: 1462. case BARRACKS: 1463. fill_zoo(croom); 1464. break; 1465. } 1466. } 1467. switch (croom->rtype) { 1468. case VAULT: 1469. level.flags.has_vault = TRUE; 1470. break; 1471. case ZOO: 1472. level.flags.has_zoo = TRUE; 1473. break; 1474. case COURT: 1475. level.flags.has_court = TRUE; 1476. break; 1477. case MORGUE: 1478. level.flags.has_morgue = TRUE; 1479. break; 1480. case BEEHIVE: 1481. level.flags.has_beehive = TRUE; 1482. break; 1483. case BARRACKS: 1484. level.flags.has_barracks = TRUE; 1485. break; 1486. case TEMPLE: 1487. level.flags.has_temple = TRUE; 1488. break; 1489. case SWAMP: 1490. level.flags.has_swamp = TRUE; 1491. break; 1492. } 1493. } 1494. 1495. STATIC_OVL void 1496. free_rooms(ro, n) 1497. room **ro; 1498. int n; 1499. { 1500. short j; 1501. room *r; 1502. 1503. while(n--) { 1504. r = ro[n]; 1505. Free(r->name); 1506. Free(r->parent); 1507. if ((j = r->ndoor) != 0) { 1508. while(j--) 1509. Free(r->doors[j]); 1510. Free(r->doors); 1511. } 1512. if ((j = r->nstair) != 0) { 1513. while(j--) 1514. Free(r->stairs[j]); 1515. Free(r->stairs); 1516. } 1517. if ((j = r->naltar) != 0) { 1518. while (j--) 1519. Free(r->altars[j]); 1520. Free(r->altars); 1521. } 1522. if ((j = r->nfountain) != 0) { 1523. while(j--) 1524. Free(r->fountains[j]); 1525. Free(r->fountains); 1526. } 1527. if ((j = r->nsink) != 0) { 1528. while(j--) 1529. Free(r->sinks[j]); 1530. Free(r->sinks); 1531. } 1532. if ((j = r->npool) != 0) { 1533. while(j--) 1534. Free(r->pools[j]); 1535. Free(r->pools); 1536. } 1537. if ((j = r->ntrap) != 0) { 1538. while (j--) 1539. Free(r->traps[j]); 1540. Free(r->traps); 1541. } 1542. if ((j = r->nmonster) != 0) { 1543. while (j--) 1544. Free(r->monsters[j]); 1545. Free(r->monsters); 1546. } 1547. if ((j = r->nobject) != 0) { 1548. while (j--) 1549. Free(r->objects[j]); 1550. Free(r->objects); 1551. } 1552. if ((j = r->ngold) != 0) { 1553. while(j--) 1554. Free(r->golds[j]); 1555. Free(r->golds); 1556. } 1557. if ((j = r->nengraving) != 0) { 1558. while (j--) 1559. Free(r->engravings[j]); 1560. Free(r->engravings); 1561. } 1562. Free(r); 1563. } 1564. Free(ro); 1565. } 1566. 1567. STATIC_OVL void 1568. build_room(r, pr) 1569. room *r, *pr; 1570. { 1571. boolean okroom; 1572. struct mkroom *aroom; 1573. short i; 1574. xchar rtype = (!r->chance || rn2(100) < r->chance) ? r->rtype : OROOM; 1575. 1576. if(pr) { 1577. aroom = &subrooms[nsubroom]; 1578. okroom = create_subroom(pr->mkr, r->x, r->y, r->w, r->h, 1579. rtype, r->rlit); 1580. } else { 1581. aroom = &rooms[nroom]; 1582. okroom = create_room(r->x, r->y, r->w, r->h, r->xalign, 1583. r->yalign, rtype, r->rlit); 1584. r->mkr = aroom; 1585. } 1586. 1587. if (okroom) { 1588. /* Create subrooms if necessary... */ 1589. for(i=0; i < r->nsubroom; i++) 1590. build_room(r->subrooms[i], r); 1591. /* And now we can fill the room! */ 1592. 1593. /* Priority to the stairs */ 1594. 1595. for(i=0; i <r->nstair; i++) 1596. create_stairs(r->stairs[i], aroom); 1597. 1598. /* Then to the various elements (sinks, etc..) */ 1599. for(i = 0; i<r->nsink; i++) 1600. create_feature(r->sinks[i]->x, r->sinks[i]->y, aroom, SINK); 1601. for(i = 0; i<r->npool; i++) 1602. create_feature(r->pools[i]->x, r->pools[i]->y, aroom, POOL); 1603. for(i = 0; i<r->nfountain; i++) 1604. create_feature(r->fountains[i]->x, r->fountains[i]->y, 1605. aroom, FOUNTAIN); 1606. for(i = 0; i<r->naltar; i++) 1607. create_altar(r->altars[i], aroom); 1608. for(i = 0; i<r->ndoor; i++) 1609. create_door(r->doors[i], aroom); 1610. 1611. /* The traps */ 1612. for(i = 0; i<r->ntrap; i++) 1613. create_trap(r->traps[i], aroom); 1614. 1615. /* The monsters */ 1616. for(i = 0; i<r->nmonster; i++) 1617. create_monster(r->monsters[i], aroom); 1618. 1619. /* The objects */ 1620. for(i = 0; i<r->nobject; i++) 1621. create_object(r->objects[i], aroom); 1622. 1623. /* The gold piles */ 1624. for(i = 0; i<r->ngold; i++) 1625. create_gold(r->golds[i], aroom); 1626. 1627. /* The engravings */ 1628. for (i = 0; i < r->nengraving; i++) 1629. create_engraving(r->engravings[i], aroom); 1630. 1631. #ifdef SPECIALIZATION 1632. topologize(aroom,FALSE); /* set roomno */ 1633. #else 1634. topologize(aroom); /* set roomno */ 1635. #endif 1636. /* MRS - 07/04/91 - This is temporary but should result 1637. * in proper filling of shops, etc. 1638. * DLC - this can fail if corridors are added to this room 1639. * at a later point. Currently no good way to fix this. 1640. */ 1641. if(aroom->rtype != OROOM && r->filled) fill_room(aroom, FALSE); 1642. } 1643. } 1644. 1645. /* 1646. * set lighting in a region that will not become a room. 1647. */ 1648. STATIC_OVL void 1649. light_region(tmpregion) 1650. region *tmpregion; 1651. { 1652. register boolean litstate = tmpregion->rlit ? 1 : 0; 1653. register int hiy = tmpregion->y2; 1654. register int x, y; 1655. register struct rm *lev; 1656. int lowy = tmpregion->y1; 1657. int lowx = tmpregion->x1, hix = tmpregion->x2; 1658. 1659. if(litstate) { 1660. /* adjust region size for walls, but only if lighted */ 1661. lowx = max(lowx-1,1); 1662. hix = min(hix+1,COLNO-1); 1663. lowy = max(lowy-1,0); 1664. hiy = min(hiy+1, ROWNO-1); 1665. } 1666. for(x = lowx; x <= hix; x++) { 1667. lev = &levl[x][lowy]; 1668. for(y = lowy; y <= hiy; y++) { 1669. if (lev->typ != LAVAPOOL) /* this overrides normal lighting */ 1670. lev->lit = litstate; 1671. lev++; 1672. } 1673. } 1674. } 1675. 1676. /* initialization common to all special levels */ 1677. STATIC_OVL void 1678. load_common_data(fd, typ) 1679. dlb *fd; 1680. int typ; 1681. { 1682. uchar n; 1683. long lev_flags; 1684. int i; 1685. 1686. { 1687. aligntyp atmp; 1688. /* shuffle 3 alignments; can't use sp_lev_shuffle() on aligntyp's */ 1689. i = rn2(3); atmp=ralign[2]; ralign[2]=ralign[i]; ralign[i]=atmp; 1690. if (rn2(2)) { atmp=ralign[1]; ralign[1]=ralign[0]; ralign[0]=atmp; } 1691. } 1692. 1693. level.flags.is_maze_lev = typ == SP_LEV_MAZE; 1694. 1695. /* Read the level initialization data */ 1696. Fread((genericptr_t) &init_lev, 1, sizeof(lev_init), fd); 1697. if(init_lev.init_present) { 1698. if(init_lev.lit < 0) 1699. init_lev.lit = rn2(2); 1700. mkmap(&init_lev); 1701. } 1702. 1703. /* Read the per level flags */ 1704. Fread((genericptr_t) &lev_flags, 1, sizeof(lev_flags), fd); 1705. if (lev_flags & NOTELEPORT) 1706. level.flags.noteleport = 1; 1707. if (lev_flags & HARDFLOOR) 1708. level.flags.hardfloor = 1; 1709. if (lev_flags & NOMMAP) 1710. level.flags.nommap = 1; 1711. if (lev_flags & SHORTSIGHTED) 1712. level.flags.shortsighted = 1; 1713. if (lev_flags & ARBOREAL) 1714. level.flags.arboreal = 1; 1715. 1716. /* Read message */ 1717. Fread((genericptr_t) &n, 1, sizeof(n), fd); 1718. if (n) { 1719. lev_message = (char *) alloc(n + 1); 1720. Fread((genericptr_t) lev_message, 1, (int) n, fd); 1721. lev_message[n] = 0; 1722. } 1723. } 1724. 1725. STATIC_OVL void 1726. load_one_monster(fd, m) 1727. dlb *fd; 1728. monster *m; 1729. { 1730. int size; 1731. 1732. Fread((genericptr_t) m, 1, sizeof *m, fd); 1733. if ((size = m->name.len) != 0) { 1734. m->name.str = (char *) alloc((unsigned)size + 1); 1735. Fread((genericptr_t) m->name.str, 1, size, fd); 1736. m->name.str[size] = '\0'; 1737. } else 1738. m->name.str = (char *) 0; 1739. if ((size = m->appear_as.len) != 0) { 1740. m->appear_as.str = (char *) alloc((unsigned)size + 1); 1741. Fread((genericptr_t) m->appear_as.str, 1, size, fd); 1742. m->appear_as.str[size] = '\0'; 1743. } else 1744. m->appear_as.str = (char *) 0; 1745. } 1746. 1747. STATIC_OVL void 1748. load_one_object(fd, o) 1749. dlb *fd; 1750. object *o; 1751. { 1752. int size; 1753. 1754. Fread((genericptr_t) o, 1, sizeof *o, fd); 1755. if ((size = o->name.len) != 0) { 1756. o->name.str = (char *) alloc((unsigned)size + 1); 1757. Fread((genericptr_t) o->name.str, 1, size, fd); 1758. o->name.str[size] = '\0'; 1759. } else 1760. o->name.str = (char *) 0; 1761. } 1762. 1763. STATIC_OVL void 1764. load_one_engraving(fd, e) 1765. dlb *fd; 1766. engraving *e; 1767. { 1768. int size; 1769. 1770. Fread((genericptr_t) e, 1, sizeof *e, fd); 1771. size = e->engr.len; 1772. e->engr.str = (char *) alloc((unsigned)size+1); 1773. Fread((genericptr_t) e->engr.str, 1, size, fd); 1774. e->engr.str[size] = '\0'; 1775. } 1776. 1777. STATIC_OVL boolean 1778. load_rooms(fd) 1779. dlb *fd; 1780. { 1781. xchar nrooms, ncorr; 1782. char n; 1783. short size; 1784. corridor tmpcor; 1785. room** tmproom; 1786. int i, j; 1787. 1788. load_common_data(fd, SP_LEV_ROOMS); 1789. 1790. Fread((genericptr_t) &n, 1, sizeof(n), fd); /* nrobjects */ 1791. if (n) { 1792. Fread((genericptr_t)robjects, sizeof(*robjects), n, fd); 1793. sp_lev_shuffle(robjects, (char *)0, (int)n); 1794. } 1795. 1796. Fread((genericptr_t) &n, 1, sizeof(n), fd); /* nrmonst */ 1797. if (n) { 1798. Fread((genericptr_t)rmonst, sizeof(*rmonst), n, fd); 1799. sp_lev_shuffle(rmonst, (char *)0, (int)n); 1800. } 1801. 1802. Fread((genericptr_t) &nrooms, 1, sizeof(nrooms), fd); 1803. /* Number of rooms to read */ 1804. tmproom = NewTab(room,nrooms); 1805. for (i=0;i<nrooms;i++) { 1806. room *r; 1807. 1808. r = tmproom[i] = New(room); 1809. 1810. /* Let's see if this room has a name */ 1811. Fread((genericptr_t) &size, 1, sizeof(size), fd); 1812. if (size > 0) { /* Yup, it does! */ 1813. r->name = (char *) alloc((unsigned)size + 1); 1814. Fread((genericptr_t) r->name, 1, size, fd); 1815. r->name[size] = 0; 1816. } else 1817. r->name = (char *) 0; 1818. 1819. /* Let's see if this room has a parent */ 1820. Fread((genericptr_t) &size, 1, sizeof(size), fd); 1821. if (size > 0) { /* Yup, it does! */ 1822. r->parent = (char *) alloc((unsigned)size + 1); 1823. Fread((genericptr_t) r->parent, 1, size, fd); 1824. r->parent[size] = 0; 1825. } else 1826. r->parent = (char *) 0; 1827. 1828. Fread((genericptr_t) &r->x, 1, sizeof(r->x), fd); 1829. /* x pos on the grid (1-5) */ 1830. Fread((genericptr_t) &r->y, 1, sizeof(r->y), fd); 1831. /* y pos on the grid (1-5) */ 1832. Fread((genericptr_t) &r->w, 1, sizeof(r->w), fd); 1833. /* width of the room */ 1834. Fread((genericptr_t) &r->h, 1, sizeof(r->h), fd); 1835. /* height of the room */ 1836. Fread((genericptr_t) &r->xalign, 1, sizeof(r->xalign), fd); 1837. /* horizontal alignment */ 1838. Fread((genericptr_t) &r->yalign, 1, sizeof(r->yalign), fd); 1839. /* vertical alignment */ 1840. Fread((genericptr_t) &r->rtype, 1, sizeof(r->rtype), fd); 1841. /* type of room (zoo, shop, etc.) */ 1842. Fread((genericptr_t) &r->chance, 1, sizeof(r->chance), fd); 1843. /* chance of room being special. */ 1844. Fread((genericptr_t) &r->rlit, 1, sizeof(r->rlit), fd); 1845. /* lit or not ? */ 1846. Fread((genericptr_t) &r->filled, 1, sizeof(r->filled), fd); 1847. /* to be filled? */ 1848. r->nsubroom= 0; 1849. 1850. /* read the doors */ 1851. Fread((genericptr_t) &r->ndoor, 1, sizeof(r->ndoor), fd); 1852. if ((n = r->ndoor) != 0) 1853. r->doors = NewTab(room_door, n); 1854. while(n--) { 1855. r->doors[(int)n] = New(room_door); 1856. Fread((genericptr_t) r->doors[(int)n], 1, 1857. sizeof(room_door), fd); 1858. } 1859. 1860. /* read the stairs */ 1861. Fread((genericptr_t) &r->nstair, 1, sizeof(r->nstair), fd); 1862. if ((n = r->nstair) != 0) 1863. r->stairs = NewTab(stair, n); 1864. while (n--) { 1865. r->stairs[(int)n] = New(stair); 1866. Fread((genericptr_t) r->stairs[(int)n], 1, 1867. sizeof(stair), fd); 1868. } 1869. 1870. /* read the altars */ 1871. Fread((genericptr_t) &r->naltar, 1, sizeof(r->naltar), fd); 1872. if ((n = r->naltar) != 0) 1873. r->altars = NewTab(altar, n); 1874. while (n--) { 1875. r->altars[(int)n] = New(altar); 1876. Fread((genericptr_t) r->altars[(int)n], 1, 1877. sizeof(altar), fd); 1878. } 1879. 1880. /* read the fountains */ 1881. Fread((genericptr_t) &r->nfountain, 1, 1882. sizeof(r->nfountain), fd); 1883. if ((n = r->nfountain) != 0) 1884. r->fountains = NewTab(fountain, n); 1885. while (n--) { 1886. r->fountains[(int)n] = New(fountain); 1887. Fread((genericptr_t) r->fountains[(int)n], 1, 1888. sizeof(fountain), fd); 1889. } 1890. 1891. /* read the sinks */ 1892. Fread((genericptr_t) &r->nsink, 1, sizeof(r->nsink), fd); 1893. if ((n = r->nsink) != 0) 1894. r->sinks = NewTab(sink, n); 1895. while (n--) { 1896. r->sinks[(int)n] = New(sink); 1897. Fread((genericptr_t) r->sinks[(int)n], 1, sizeof(sink), fd); 1898. } 1899. 1900. /* read the pools */ 1901. Fread((genericptr_t) &r->npool, 1, sizeof(r->npool), fd); 1902. if ((n = r->npool) != 0) 1903. r->pools = NewTab(pool,n); 1904. while (n--) { 1905. r->pools[(int)n] = New(pool); 1906. Fread((genericptr_t) r->pools[(int)n], 1, sizeof(pool), fd); 1907. } 1908. 1909. /* read the traps */ 1910. Fread((genericptr_t) &r->ntrap, 1, sizeof(r->ntrap), fd); 1911. if ((n = r->ntrap) != 0) 1912. r->traps = NewTab(trap, n); 1913. while(n--) { 1914. r->traps[(int)n] = New(trap); 1915. Fread((genericptr_t) r->traps[(int)n], 1, sizeof(trap), fd); 1916. } 1917. 1918. /* read the monsters */ 1919. Fread((genericptr_t) &r->nmonster, 1, sizeof(r->nmonster), fd); 1920. if ((n = r->nmonster) != 0) { 1921. r->monsters = NewTab(monster, n); 1922. while(n--) { 1923. r->monsters[(int)n] = New(monster); 1924. load_one_monster(fd, r->monsters[(int)n]); 1925. } 1926. } else 1927. r->monsters = 0; 1928. 1929. /* read the objects */ 1930. Fread((genericptr_t) &r->nobject, 1, sizeof(r->nobject), fd); 1931. if ((n = r->nobject) != 0) { 1932. r->objects = NewTab(object, n); 1933. while (n--) { 1934. r->objects[(int)n] = New(object); 1935. load_one_object(fd, r->objects[(int)n]); 1936. } 1937. } else 1938. r->objects = 0; 1939. 1940. /* read the gold piles */ 1941. Fread((genericptr_t) &r->ngold, 1, sizeof(r->ngold), fd); 1942. if ((n = r->ngold) != 0) 1943. r->golds = NewTab(gold, n); 1944. while (n--) { 1945. r->golds[(int)n] = New(gold); 1946. Fread((genericptr_t) r->golds[(int)n], 1, sizeof(gold), fd); 1947. } 1948. 1949. /* read the engravings */ 1950. Fread((genericptr_t) &r->nengraving, 1, 1951. sizeof(r->nengraving), fd); 1952. if ((n = r->nengraving) != 0) { 1953. r->engravings = NewTab(engraving,n); 1954. while (n--) { 1955. r->engravings[(int)n] = New(engraving); 1956. load_one_engraving(fd, r->engravings[(int)n]); 1957. } 1958. } else 1959. r->engravings = 0; 1960. 1961. } 1962. 1963. /* Now that we have loaded all the rooms, search the 1964. * subrooms and create the links. 1965. */ 1966. 1967. for (i = 0; i<nrooms; i++) 1968. if (tmproom[i]->parent) { 1969. /* Search the parent room */ 1970. for(j=0; j<nrooms; j++) 1971. if (tmproom[j]->name && !strcmp(tmproom[j]->name, 1972. tmproom[i]->parent)) { 1973. n = tmproom[j]->nsubroom++; 1974. tmproom[j]->subrooms[(int)n] = tmproom[i]; 1975. break; 1976. } 1977. } 1978. 1979. /* 1980. * Create the rooms now... 1981. */ 1982. 1983. for (i=0; i < nrooms; i++) 1984. if(!tmproom[i]->parent) 1985. build_room(tmproom[i], (room *) 0); 1986. 1987. free_rooms(tmproom, nrooms); 1988. 1989. /* read the corridors */ 1990. 1991. Fread((genericptr_t) &ncorr, sizeof(ncorr), 1, fd); 1992. for (i=0; i<ncorr; i++) { 1993. Fread((genericptr_t) &tmpcor, 1, sizeof(tmpcor), fd); 1994. create_corridor(&tmpcor); 1995. } 1996. 1997. return TRUE; 1998. } 1999. 2000. /* 2001. * Select a random coordinate in the maze. 2002. * 2003. * We want a place not 'touched' by the loader. That is, a place in 2004. * the maze outside every part of the special level. 2005. */ 2006. 2007. STATIC_OVL void 2008. maze1xy(m, humidity) 2009. coord *m; 2010. int humidity; 2011. { 2012. register int x, y, tryct = 2000; 2013. /* tryct: normally it won't take more than ten or so tries due 2014. to the circumstances under which we'll be called, but the 2015. `humidity' screening might drastically change the chances */ 2016. 2017. do { 2018. x = rn1(x_maze_max - 3, 3); 2019. y = rn1(y_maze_max - 3, 3); 2020. if (--tryct < 0) break; /* give up */ 2021. } while (!(x % 2) || !(y % 2) || Map[x][y] || 2022. !is_ok_location((schar)x, (schar)y, humidity)); 2023. 2024. m->x = (xchar)x, m->y = (xchar)y; 2025. } 2026. 2027. /* 2028. * The Big Thing: special maze loader 2029. * 2030. * Could be cleaner, but it works. 2031. */ 2032. 2033. STATIC_OVL boolean 2034. load_maze(fd) 2035. dlb *fd; 2036. { 2037. xchar x, y, typ; 2038. boolean prefilled, room_not_needed; 2039. 2040. char n, numpart = 0; 2041. xchar nwalk = 0, nwalk_sav; 2042. schar filling; 2043. char halign, valign; 2044. 2045. int xi, dir, size; 2046. coord mm; 2047. int mapcount, mapcountmax, mapfact; 2048. 2049. lev_region tmplregion; 2050. region tmpregion; 2051. door tmpdoor; 2052. trap tmptrap; 2053. monster tmpmons; 2054. object tmpobj; 2055. drawbridge tmpdb; 2056. walk tmpwalk; 2057. digpos tmpdig; 2058. lad tmplad; 2059. stair tmpstair, prevstair; 2060. altar tmpaltar; 2061. gold tmpgold; 2062. fountain tmpfountain; 2063. engraving tmpengraving; 2064. xchar mustfill[(MAXNROFROOMS+1)*2]; 2065. struct trap *badtrap; 2066. boolean has_bounds; 2067. 2068. (void) memset((genericptr_t)&Map[0][0], 0, sizeof Map); 2069. load_common_data(fd, SP_LEV_MAZE); 2070. 2071. /* Initialize map */ 2072. Fread((genericptr_t) &filling, 1, sizeof(filling), fd); 2073. if(!init_lev.init_present) /* don't init if mkmap() has been called */ 2074. for(x = 2; x <= x_maze_max; x++) 2075. for(y = 0; y <= y_maze_max; y++) 2076. if (filling == -1) { 2077. #ifndef WALLIFIED_MAZE 2078. levl[x][y].typ = STONE; 2079. #else 2080. levl[x][y].typ = 2081. (y < 2 || ((x % 2) && (y % 2))) ? STONE : HWALL; 2082. #endif 2083. } else { 2084. levl[x][y].typ = filling; 2085. } 2086. 2087. /* Start reading the file */ 2088. Fread((genericptr_t) &numpart, 1, sizeof(numpart), fd); 2089. /* Number of parts */ 2090. if (!numpart || numpart > 9) 2091. panic("load_maze error: numpart = %d", (int) numpart); 2092. 2093. while (numpart--) { 2094. Fread((genericptr_t) &halign, 1, sizeof(halign), fd); 2095. /* Horizontal alignment */ 2096. Fread((genericptr_t) &valign, 1, sizeof(valign), fd); 2097. /* Vertical alignment */ 2098. Fread((genericptr_t) &xsize, 1, sizeof(xsize), fd); 2099. /* size in X */ 2100. Fread((genericptr_t) &ysize, 1, sizeof(ysize), fd); 2101. /* size in Y */ 2102. switch((int) halign) { 2103. case LEFT: xstart = 3; break; 2104. case H_LEFT: xstart = 2+((x_maze_max-2-xsize)/4); break; 2105. case CENTER: xstart = 2+((x_maze_max-2-xsize)/2); break; 2106. case H_RIGHT: xstart = 2+((x_maze_max-2-xsize)*3/4); break; 2107. case RIGHT: xstart = x_maze_max-xsize-1; break; 2108. } 2109. switch((int) valign) { 2110. case TOP: ystart = 3; break; 2111. case CENTER: ystart = 2+((y_maze_max-2-ysize)/2); break; 2112. case BOTTOM: ystart = y_maze_max-ysize-1; break; 2113. } 2114. if (!(xstart % 2)) xstart++; 2115. if (!(ystart % 2)) ystart++; 2116. if ((ystart < 0) || (ystart + ysize > ROWNO)) { 2117. /* try to move the start a bit */ 2118. ystart += (ystart > 0) ? -2 : 2; 2119. if(ysize == ROWNO) ystart = 0; 2120. if(ystart < 0 || ystart + ysize > ROWNO) 2121. panic("reading special level with ysize too large"); 2122. } 2123. 2124. /* 2125. * If any CROSSWALLs are found, must change to ROOM after REGION's 2126. * are laid out. CROSSWALLS are used to specify "invisible" 2127. * boundaries where DOOR syms look bad or aren't desirable. 2128. */ 2129. has_bounds = FALSE; 2130. 2131. if(init_lev.init_present && xsize <= 1 && ysize <= 1) { 2132. xstart = 1; 2133. ystart = 0; 2134. xsize = COLNO-1; 2135. ysize = ROWNO; 2136. } else { 2137. /* Load the map */ 2138. for(y = ystart; y < ystart+ysize; y++) 2139. for(x = xstart; x < xstart+xsize; x++) { 2140. levl[x][y].typ = Fgetc(fd); 2141. levl[x][y].lit = FALSE; 2142. /* 2143. * Note: Even though levl[x][y].typ is type schar, 2144. * lev_comp.y saves it as type char. Since schar != char 2145. * all the time we must make this exception or hack 2146. * through lev_comp.y to fix. 2147. */ 2148. 2149. /* 2150. * Set secret doors to closed (why not trapped too?). Set 2151. * the horizontal bit. 2152. */ 2153. if (levl[x][y].typ == SDOOR || IS_DOOR(levl[x][y].typ)) { 2154. if(levl[x][y].typ == SDOOR) 2155. levl[x][y].doormask = D_CLOSED; 2156. /* 2157. * If there is a wall to the left that connects to a 2158. * (secret) door, then it is horizontal. This does 2159. * not allow (secret) doors to be corners of rooms. 2160. */ 2161. if (x != xstart && (IS_WALL(levl[x-1][y].typ) || 2162. levl[x-1][y].horizontal)) 2163. levl[x][y].horizontal = 1; 2164. } else if(levl[x][y].typ == HWALL) 2165. levl[x][y].horizontal = 1; 2166. else if(levl[x][y].typ == LAVAPOOL) 2167. levl[x][y].lit = 1; 2168. else if(levl[x][y].typ == CROSSWALL) 2169. has_bounds = TRUE; 2170. Map[x][y] = 1; 2171. } 2172. } 2173. 2174. Fread((genericptr_t) &n, 1, sizeof(n), fd); 2175. /* Number of level regions */ 2176. if(n) { 2177. if(num_lregions) { 2178. /* realloc the lregion space to add the new ones */ 2179. /* don't really free it up until the whole level is done */ 2180. lev_region *newl = (lev_region *) alloc(sizeof(lev_region) * 2181. (unsigned)(n+num_lregions)); 2182. (void) memcpy((genericptr_t)(newl+n), (genericptr_t)lregions, 2183. sizeof(lev_region) * num_lregions); 2184. Free(lregions); 2185. num_lregions += n; 2186. lregions = newl; 2187. } else { 2188. num_lregions = n; 2189. lregions = (lev_region *) 2190. alloc(sizeof(lev_region) * (unsigned)n); 2191. } 2192. } 2193. 2194. while(n--) { 2195. Fread((genericptr_t) &tmplregion, sizeof(tmplregion), 1, fd); 2196. if ((size = tmplregion.rname.len) != 0) { 2197. tmplregion.rname.str = (char *) alloc((unsigned)size + 1); 2198. Fread((genericptr_t) tmplregion.rname.str, size, 1, fd); 2199. tmplregion.rname.str[size] = '\0'; 2200. } else 2201. tmplregion.rname.str = (char *) 0; 2202. if(!tmplregion.in_islev) { 2203. get_location(&tmplregion.inarea.x1, &tmplregion.inarea.y1, 2204. DRY|WET); 2205. get_location(&tmplregion.inarea.x2, &tmplregion.inarea.y2, 2206. DRY|WET); 2207. } 2208. if(!tmplregion.del_islev) { 2209. get_location(&tmplregion.delarea.x1, &tmplregion.delarea.y1, 2210. DRY|WET); 2211. get_location(&tmplregion.delarea.x2, &tmplregion.delarea.y2, 2212. DRY|WET); 2213. } 2214. lregions[(int)n] = tmplregion; 2215. } 2216. 2217. Fread((genericptr_t) &n, 1, sizeof(n), fd); 2218. /* Random objects */ 2219. if(n) { 2220. Fread((genericptr_t)robjects, sizeof(*robjects), (int) n, fd); 2221. sp_lev_shuffle(robjects, (char *)0, (int)n); 2222. } 2223. 2224. Fread((genericptr_t) &n, 1, sizeof(n), fd); 2225. /* Random locations */ 2226. if(n) { 2227. Fread((genericptr_t)rloc_x, sizeof(*rloc_x), (int) n, fd); 2228. Fread((genericptr_t)rloc_y, sizeof(*rloc_y), (int) n, fd); 2229. sp_lev_shuffle(rloc_x, rloc_y, (int)n); 2230. } 2231. 2232. Fread((genericptr_t) &n, 1, sizeof(n), fd); 2233. /* Random monsters */ 2234. if(n) { 2235. Fread((genericptr_t)rmonst, sizeof(*rmonst), (int) n, fd); 2236. sp_lev_shuffle(rmonst, (char *)0, (int)n); 2237. } 2238. 2239. (void) memset((genericptr_t)mustfill, 0, sizeof(mustfill)); 2240. Fread((genericptr_t) &n, 1, sizeof(n), fd); 2241. /* Number of subrooms */ 2242. while(n--) { 2243. register struct mkroom *troom; 2244. 2245. Fread((genericptr_t)&tmpregion, 1, sizeof(tmpregion), fd); 2246. 2247. if(tmpregion.rtype > MAXRTYPE) { 2248. tmpregion.rtype -= MAXRTYPE+1; 2249. prefilled = TRUE; 2250. } else 2251. prefilled = FALSE; 2252. 2253. if(tmpregion.rlit < 0) 2254. tmpregion.rlit = (rnd(1+abs(depth(&u.uz))) < 11 && rn2(77)) 2255. ? TRUE : FALSE; 2256. 2257. get_location(&tmpregion.x1, &tmpregion.y1, DRY|WET); 2258. get_location(&tmpregion.x2, &tmpregion.y2, DRY|WET); 2259. 2260. /* for an ordinary room, `prefilled' is a flag to force 2261. an actual room to be created (such rooms are used to 2262. control placement of migrating monster arrivals) */ 2263. room_not_needed = (tmpregion.rtype == OROOM && 2264. !tmpregion.rirreg && !prefilled); 2265. if (room_not_needed || nroom >= MAXNROFROOMS) { 2266. if (!room_not_needed) 2267. impossible("Too many rooms on new level!"); 2268. light_region(&tmpregion); 2269. continue; 2270. } 2271. 2272. troom = &rooms[nroom]; 2273. 2274. /* mark rooms that must be filled, but do it later */ 2275. if (tmpregion.rtype != OROOM) 2276. mustfill[nroom] = (prefilled ? 2 : 1); 2277. 2278. if(tmpregion.rirreg) { 2279. min_rx = max_rx = tmpregion.x1; 2280. min_ry = max_ry = tmpregion.y1; 2281. flood_fill_rm(tmpregion.x1, tmpregion.y1, 2282. nroom+ROOMOFFSET, tmpregion.rlit, TRUE); 2283. add_room(min_rx, min_ry, max_rx, max_ry, 2284. FALSE, tmpregion.rtype, TRUE); 2285. troom->rlit = tmpregion.rlit; 2286. troom->irregular = TRUE; 2287. } else { 2288. add_room(tmpregion.x1, tmpregion.y1, 2289. tmpregion.x2, tmpregion.y2, 2290. tmpregion.rlit, tmpregion.rtype, TRUE); 2291. #ifdef SPECIALIZATION 2292. topologize(troom,FALSE); /* set roomno */ 2293. #else 2294. topologize(troom); /* set roomno */ 2295. #endif 2296. } 2297. } 2298. 2299. Fread((genericptr_t) &n, 1, sizeof(n), fd); 2300. /* Number of doors */ 2301. while(n--) { 2302. struct mkroom *croom = &rooms[0]; 2303. 2304. Fread((genericptr_t)&tmpdoor, 1, sizeof(tmpdoor), fd); 2305. 2306. x = tmpdoor.x; y = tmpdoor.y; 2307. typ = tmpdoor.mask == -1 ? rnddoor() : tmpdoor.mask; 2308. 2309. get_location(&x, &y, DRY); 2310. if(levl[x][y].typ != SDOOR) 2311. levl[x][y].typ = DOOR; 2312. else { 2313. if(typ < D_CLOSED) 2314. typ = D_CLOSED; /* force it to be closed */ 2315. } 2316. levl[x][y].doormask = typ; 2317. 2318. /* Now the complicated part, list it with each subroom */ 2319. /* The dog move and mail daemon routines use this */ 2320. while(croom->hx >= 0 && doorindex < DOORMAX) { 2321. if(croom->hx >= x-1 && croom->lx <= x+1 && 2322. croom->hy >= y-1 && croom->ly <= y+1) { 2323. /* Found it */ 2324. add_door(x, y, croom); 2325. } 2326. croom++; 2327. } 2328. } 2329. 2330. /* now that we have rooms _and_ associated doors, fill the rooms */ 2331. for(n = 0; n < SIZE(mustfill); n++) 2332. if(mustfill[(int)n]) 2333. fill_room(&rooms[(int)n], (mustfill[(int)n] == 2)); 2334. 2335. /* if special boundary syms (CROSSWALL) in map, remove them now */ 2336. if(has_bounds) { 2337. for(x = xstart; x < xstart+xsize; x++) 2338. for(y = ystart; y < ystart+ysize; y++) 2339. if(levl[x][y].typ == CROSSWALL) 2340. levl[x][y].typ = ROOM; 2341. } 2342. 2343. Fread((genericptr_t) &n, 1, sizeof(n), fd); 2344. /* Number of drawbridges */ 2345. while(n--) { 2346. Fread((genericptr_t)&tmpdb, 1, sizeof(tmpdb), fd); 2347. 2348. x = tmpdb.x; y = tmpdb.y; 2349. get_location(&x, &y, DRY|WET); 2350. 2351. if (!create_drawbridge(x, y, tmpdb.dir, tmpdb.db_open)) 2352. impossible("Cannot create drawbridge."); 2353. } 2354. 2355. Fread((genericptr_t) &n, 1, sizeof(n), fd); 2356. /* Number of mazewalks */ 2357. while(n--) { 2358. Fread((genericptr_t)&tmpwalk, 1, sizeof(tmpwalk), fd); 2359. 2360. get_location(&tmpwalk.x, &tmpwalk.y, DRY|WET); 2361. 2362. walklist[nwalk++] = tmpwalk; 2363. } 2364. 2365. Fread((genericptr_t) &n, 1, sizeof(n), fd); 2366. /* Number of non_diggables */ 2367. while(n--) { 2368. Fread((genericptr_t)&tmpdig, 1, sizeof(tmpdig), fd); 2369. 2370. get_location(&tmpdig.x1, &tmpdig.y1, DRY|WET); 2371. get_location(&tmpdig.x2, &tmpdig.y2, DRY|WET); 2372. 2373. set_wall_property(tmpdig.x1, tmpdig.y1, 2374. tmpdig.x2, tmpdig.y2, W_NONDIGGABLE); 2375. } 2376. 2377. Fread((genericptr_t) &n, 1, sizeof(n), fd); 2378. /* Number of non_passables */ 2379. while(n--) { 2380. Fread((genericptr_t)&tmpdig, 1, sizeof(tmpdig), fd); 2381. 2382. get_location(&tmpdig.x1, &tmpdig.y1, DRY|WET); 2383. get_location(&tmpdig.x2, &tmpdig.y2, DRY|WET); 2384. 2385. set_wall_property(tmpdig.x1, tmpdig.y1, 2386. tmpdig.x2, tmpdig.y2, W_NONPASSWALL); 2387. } 2388. 2389. Fread((genericptr_t) &n, 1, sizeof(n), fd); 2390. /* Number of ladders */ 2391. while(n--) { 2392. Fread((genericptr_t)&tmplad, 1, sizeof(tmplad), fd); 2393. 2394. x = tmplad.x; y = tmplad.y; 2395. get_location(&x, &y, DRY); 2396. 2397. levl[x][y].typ = LADDER; 2398. if (tmplad.up == 1) { 2399. xupladder = x; yupladder = y; 2400. levl[x][y].ladder = LA_UP; 2401. } else { 2402. xdnladder = x; ydnladder = y; 2403. levl[x][y].ladder = LA_DOWN; 2404. } 2405. } 2406. 2407. prevstair.x = prevstair.y = 0; 2408. Fread((genericptr_t) &n, 1, sizeof(n), fd); 2409. /* Number of stairs */ 2410. while(n--) { 2411. Fread((genericptr_t)&tmpstair, 1, sizeof(tmpstair), fd); 2412. 2413. xi = 0; 2414. do { 2415. x = tmpstair.x; y = tmpstair.y; 2416. get_location(&x, &y, DRY); 2417. } while(prevstair.x && xi++ < 100 && 2418. distmin(x,y,prevstair.x,prevstair.y) <= 8); 2419. if ((badtrap = t_at(x,y)) != 0) deltrap(badtrap); 2420. mkstairs(x, y, (char)tmpstair.up, (struct mkroom *)0); 2421. prevstair.x = x; 2422. prevstair.y = y; 2423. } 2424. 2425. Fread((genericptr_t) &n, 1, sizeof(n), fd); 2426. /* Number of altars */ 2427. while(n--) { 2428. Fread((genericptr_t)&tmpaltar, 1, sizeof(tmpaltar), fd); 2429. 2430. create_altar(&tmpaltar, (struct mkroom *)0); 2431. } 2432. 2433. Fread((genericptr_t) &n, 1, sizeof(n), fd); 2434. /* Number of fountains */ 2435. while (n--) { 2436. Fread((genericptr_t)&tmpfountain, 1, sizeof(tmpfountain), fd); 2437. 2438. create_feature(tmpfountain.x, tmpfountain.y, 2439. (struct mkroom *)0, FOUNTAIN); 2440. } 2441. 2442. Fread((genericptr_t) &n, 1, sizeof(n), fd); 2443. /* Number of traps */ 2444. while(n--) { 2445. Fread((genericptr_t)&tmptrap, 1, sizeof(tmptrap), fd); 2446. 2447. create_trap(&tmptrap, (struct mkroom *)0); 2448. } 2449. 2450. Fread((genericptr_t) &n, 1, sizeof(n), fd); 2451. /* Number of monsters */ 2452. while(n--) { 2453. load_one_monster(fd, &tmpmons); 2454. 2455. create_monster(&tmpmons, (struct mkroom *)0); 2456. } 2457. 2458. Fread((genericptr_t) &n, 1, sizeof(n), fd); 2459. /* Number of objects */ 2460. while(n--) { 2461. load_one_object(fd, &tmpobj); 2462. 2463. create_object(&tmpobj, (struct mkroom *)0); 2464. } 2465. 2466. Fread((genericptr_t) &n, 1, sizeof(n), fd); 2467. /* Number of gold piles */ 2468. while (n--) { 2469. Fread((genericptr_t)&tmpgold, 1, sizeof(tmpgold), fd); 2470. 2471. create_gold(&tmpgold, (struct mkroom *)0); 2472. } 2473. 2474. Fread((genericptr_t) &n, 1, sizeof(n), fd); 2475. /* Number of engravings */ 2476. while(n--) { 2477. load_one_engraving(fd, &tmpengraving); 2478. 2479. create_engraving(&tmpengraving, (struct mkroom *)0); 2480. } 2481. 2482. } /* numpart loop */ 2483. 2484. nwalk_sav = nwalk; 2485. while(nwalk--) { 2486. x = (xchar) walklist[nwalk].x; 2487. y = (xchar) walklist[nwalk].y; 2488. dir = walklist[nwalk].dir; 2489. 2490. /* don't use move() - it doesn't use W_NORTH, etc. */ 2491. switch (dir) { 2492. case W_NORTH: --y; break; 2493. case W_SOUTH: y++; break; 2494. case W_EAST: x++; break; 2495. case W_WEST: --x; break; 2496. default: panic("load_maze: bad MAZEWALK direction"); 2497. } 2498. 2499. if(!IS_DOOR(levl[x][y].typ)) { 2500. #ifndef WALLIFIED_MAZE 2501. levl[x][y].typ = CORR; 2502. #else 2503. levl[x][y].typ = ROOM; 2504. #endif 2505. levl[x][y].flags = 0; 2506. } 2507. 2508. /* 2509. * We must be sure that the parity of the coordinates for 2510. * walkfrom() is odd. But we must also take into account 2511. * what direction was chosen. 2512. */ 2513. if(!(x % 2)) { 2514. if (dir == W_EAST) 2515. x++; 2516. else 2517. x--; 2518. 2519. /* no need for IS_DOOR check; out of map bounds */ 2520. #ifndef WALLIFIED_MAZE 2521. levl[x][y].typ = CORR; 2522. #else 2523. levl[x][y].typ = ROOM; 2524. #endif 2525. levl[x][y].flags = 0; 2526. } 2527. 2528. if (!(y % 2)) 2529. if (dir == W_SOUTH) 2530. y++; 2531. else 2532. y--; 2533. 2534. walkfrom(x, y); 2535. } 2536. wallification(1, 0, COLNO-1, ROWNO-1); 2537. 2538. /* 2539. * If there's a significant portion of maze unused by the special level, 2540. * we don't want it empty. 2541. * 2542. * Makes the number of traps, monsters, etc. proportional 2543. * to the size of the maze. 2544. */ 2545. mapcountmax = mapcount = (x_maze_max - 2) * (y_maze_max - 2); 2546. 2547. for(x = 2; x < x_maze_max; x++) 2548. for(y = 0; y < y_maze_max; y++) 2549. if(Map[x][y]) mapcount--; 2550. 2551. if (nwalk_sav && (mapcount > (int) (mapcountmax / 10))) { 2552. mapfact = (int) ((mapcount * 100L) / mapcountmax); 2553. for(x = rnd((int) (20 * mapfact) / 100); x; x--) { 2554. maze1xy(&mm, DRY); 2555. (void) mkobj_at(rn2(2) ? GEM_CLASS : RANDOM_CLASS, 2556. mm.x, mm.y, TRUE); 2557. } 2558. for(x = rnd((int) (12 * mapfact) / 100); x; x--) { 2559. maze1xy(&mm, DRY); 2560. (void) mksobj_at(BOULDER, mm.x, mm.y, TRUE); 2561. } 2562. for (x = rn2(2); x; x--) { 2563. maze1xy(&mm, DRY); 2564. (void) makemon(&mons[PM_MINOTAUR], mm.x, mm.y, NO_MM_FLAGS); 2565. } 2566. for(x = rnd((int) (12 * mapfact) / 100); x; x--) { 2567. maze1xy(&mm, WET|DRY); 2568. (void) makemon((struct permonst *) 0, mm.x, mm.y, NO_MM_FLAGS); 2569. } 2570. for(x = rn2((int) (15 * mapfact) / 100); x; x--) { 2571. maze1xy(&mm, DRY); 2572. (void) mkgold(0L,mm.x,mm.y); 2573. } 2574. for(x = rn2((int) (15 * mapfact) / 100); x; x--) { 2575. int trytrap; 2576. 2577. maze1xy(&mm, DRY); 2578. trytrap = rndtrap(); 2579. if (sobj_at(BOULDER, mm.x, mm.y)) 2580. while (trytrap == PIT || trytrap == SPIKED_PIT || 2581. trytrap == TRAPDOOR || trytrap == HOLE) 2582. trytrap = rndtrap(); 2583. (void) maketrap(mm.x, mm.y, trytrap); 2584. } 2585. } 2586. return TRUE; 2587. } 2588. 2589. /* 2590. * General loader 2591. */ 2592. 2593. boolean 2594. load_special(name) 2595. const char *name; 2596. { 2597. dlb *fd; 2598. boolean result = FALSE; 2599. char c; 2600. struct version_info vers_info; 2601. 2602. fd = dlb_fopen(name, RDBMODE); 2603. if (!fd) return FALSE; 2604. 2605. Fread((genericptr_t) &vers_info, sizeof vers_info, 1, fd); 2606. if (!check_version(&vers_info, name, TRUE)) 2607. goto give_up; 2608. 2609. Fread((genericptr_t) &c, sizeof c, 1, fd); /* c Header */ 2610. 2611. switch (c) { 2612. case SP_LEV_ROOMS: 2613. result = load_rooms(fd); 2614. break; 2615. case SP_LEV_MAZE: 2616. result = load_maze(fd); 2617. break; 2618. default: /* ??? */ 2619. result = FALSE; 2620. } 2621. give_up: 2622. (void)dlb_fclose(fd); 2623. return result; 2624. } 2625. 2626. /*sp_lev.c*/
