Source:NetHack 3.3.0/pager.c
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Below is the full text to pager.c from the source code of NetHack 3.3.0. To link to a particular line, write [[NetHack 3.3.0/pager.c#line123]], for example.
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1. /* SCCS Id: @(#)pager.c 3.3 1999/10/10 */ 2. /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */ 3. /* NetHack may be freely redistributed. See license for details. */ 4. 5. /* This file contains the command routines dowhatis() and dohelp() and */ 6. /* a few other help related facilities */ 7. 8. #include "hack.h" 9. #include "dlb.h" 10. 11. STATIC_DCL boolean FDECL(is_swallow_sym, (int)); 12. STATIC_DCL int FDECL(append_str, (char *, const char *)); 13. STATIC_DCL struct permonst * FDECL(lookat, (int, int, char *, char *)); 14. STATIC_DCL void FDECL(checkfile, 15. (char *,struct permonst *,BOOLEAN_P,BOOLEAN_P)); 16. STATIC_DCL int FDECL(do_look, (BOOLEAN_P)); 17. STATIC_DCL boolean FDECL(help_menu, (int *)); 18. #ifdef PORT_HELP 19. extern void NDECL(port_help); 20. #endif 21. 22. /* Returns "true" for characters that could represent a monster's stomach. */ 23. STATIC_OVL boolean 24. is_swallow_sym(c) 25. int c; 26. { 27. int i; 28. for (i = S_sw_tl; i <= S_sw_br; i++) 29. if ((int)showsyms[i] == c) return TRUE; 30. return FALSE; 31. } 32. 33. /* 34. * Append new_str to the end of buf if new_str doesn't already exist as 35. * a substring of buf. Return 1 if the string was appended, 0 otherwise. 36. * It is expected that buf is of size BUFSZ. 37. */ 38. STATIC_OVL int 39. append_str(buf, new_str) 40. char *buf; 41. const char *new_str; 42. { 43. int space_left; /* space remaining in buf */ 44. 45. if (strstri(buf, new_str)) return 0; 46. 47. space_left = BUFSZ - strlen(buf) - 1; 48. (void) strncat(buf, " or ", space_left); 49. (void) strncat(buf, new_str, space_left - 4); 50. return 1; 51. } 52. 53. /* 54. * Return the name of the glyph found at (x,y). 55. * If not hallucinating and the glyph is a monster, also monster data. 56. */ 57. STATIC_OVL struct permonst * 58. lookat(x, y, buf, monbuf) 59. int x, y; 60. char *buf, *monbuf; 61. { 62. register struct monst *mtmp = (struct monst *) 0; 63. struct permonst *pm = (struct permonst *) 0; 64. int glyph; 65. 66. buf[0] = monbuf[0] = 0; 67. glyph = glyph_at(x,y); 68. if (u.ux == x && u.uy == y && canseeself()) { 69. char race[QBUFSZ]; 70. 71. /* if not polymorphed, show both the role and the race */ 72. race[0] = 0; 73. if (!Upolyd) { 74. Sprintf(race, "%s ", urace.adj); 75. } 76. 77. Sprintf(buf, "%s%s%s called %s", 78. Invis ? "invisible " : "", 79. race, 80. mons[u.umonnum].mname, 81. plname); 82. 83. #ifdef STEED 84. if (u.usteed) { 85. char steedbuf[BUFSZ]; 86. 87. Sprintf(steedbuf, ", mounted on %s", y_monnam(u.usteed)); 88. /* assert((sizeof buf >= strlen(buf)+strlen(steedbuf)+1); */ 89. Strcat(buf, steedbuf); 90. } 91. #endif 92. } else if (u.uswallow) { 93. /* all locations when swallowed other than the hero are the monster */ 94. Sprintf(buf, "interior of %s", 95. Blind ? "a monster" : a_monnam(u.ustuck)); 96. pm = u.ustuck->data; 97. } else if (glyph_is_monster(glyph)) { 98. bhitpos.x = x; 99. bhitpos.y = y; 100. mtmp = m_at(x,y); 101. if(mtmp != (struct monst *) 0) { 102. register boolean hp = (mtmp->data == &mons[PM_HIGH_PRIEST]); 103. 104. pm = mtmp->data; 105. Sprintf(buf, "%s%s%s", 106. (mtmp->mx != x || mtmp->my != y) ? 107. ((mtmp->isshk && !Hallucination) 108. ? "tail of " : "tail of a ") : "", 109. (!hp && mtmp->mtame && !Hallucination) ? "tame " : 110. (!hp && mtmp->mpeaceful && !Hallucination) ? 111. "peaceful " : "", 112. (hp ? "high priest" : l_monnam(mtmp))); 113. if (u.ustuck == mtmp) 114. Strcat(buf, (Upolyd && sticks(youmonst.data)) ? 115. ", being held" : ", holding you"); 116. if (mtmp->mleashed) 117. Strcat(buf, ", leashed to you"); 118. 119. { 120. int ways_seen = 0, normal = 0, xraydist; 121. boolean useemon = (boolean) canseemon(mtmp); 122. 123. xraydist = (u.xray_range<0) ? -1 : u.xray_range * u.xray_range; 124. /* normal vision */ 125. if ((mtmp->wormno ? worm_known(mtmp) : cansee(mtmp->mx, mtmp->my)) && 126. mon_visible(mtmp) && !mtmp->minvis) { 127. ways_seen++; 128. normal++; 129. } 130. /* see invisible */ 131. if (useemon && mtmp->minvis) 132. ways_seen++; 133. /* infravision */ 134. if ((!mtmp->minvis || See_invisible) && see_with_infrared(mtmp)) 135. ways_seen++; 136. /* telepathy */ 137. if (tp_sensemon(mtmp)) 138. ways_seen++; 139. /* xray */ 140. if (useemon && xraydist > 0 && 141. distu(mtmp->mx, mtmp->my) <= xraydist) 142. ways_seen++; 143. if (Detect_monsters) 144. ways_seen++; 145. 146. if (ways_seen > 1 || !normal) { 147. if (normal) { 148. Strcat(monbuf, "normal vision"); 149. /* can't actually be 1 yet here */ 150. if (ways_seen-- > 1) Strcat(monbuf, ", "); 151. } 152. if (useemon && mtmp->minvis) { 153. Strcat(monbuf, "see invisible"); 154. if (ways_seen-- > 1) Strcat(monbuf, ", "); 155. } 156. if ((!mtmp->minvis || See_invisible) && 157. see_with_infrared(mtmp)) { 158. Strcat(monbuf, "infravision"); 159. if (ways_seen-- > 1) Strcat(monbuf, ", "); 160. } 161. if (tp_sensemon(mtmp)) { 162. Strcat(monbuf, "telepathy"); 163. if (ways_seen-- > 1) Strcat(monbuf, ", "); 164. } 165. if (useemon && xraydist > 0 && 166. distu(mtmp->mx, mtmp->my) <= xraydist) { 167. /* Eyes of the Overworld */ 168. Strcat(monbuf, "astral vision"); 169. if (ways_seen-- > 1) Strcat(monbuf, ", "); 170. } 171. if (Detect_monsters) { 172. Strcat(monbuf, "monster detection"); 173. if (ways_seen-- > 1) Strcat(monbuf, ", "); 174. } 175. } 176. } 177. } 178. } 179. else if (glyph_is_object(glyph)) { 180. struct obj *otmp = vobj_at(x,y); 181. 182. if (!otmp || otmp->otyp != glyph_to_obj(glyph)) { 183. if (glyph_to_obj(glyph) != STRANGE_OBJECT) { 184. otmp = mksobj(glyph_to_obj(glyph), FALSE, FALSE); 185. if (otmp->oclass == GOLD_CLASS) 186. otmp->quan = 2L; /* to force pluralization */ 187. else if (otmp->otyp == SLIME_MOLD) 188. otmp->spe = current_fruit; /* give the fruit a type */ 189. Strcpy(buf, distant_name(otmp, xname)); 190. dealloc_obj(otmp); 191. } 192. } else 193. Strcpy(buf, distant_name(otmp, xname)); 194. 195. if (levl[x][y].typ == STONE || levl[x][y].typ == SCORR) 196. Strcat(buf, " embedded in stone"); 197. else if (IS_WALL(levl[x][y].typ) || levl[x][y].typ == SDOOR) 198. Strcat(buf, " embedded in a wall"); 199. else if (closed_door(x,y)) 200. Strcat(buf, " embedded in a door"); 201. else if (is_pool(x,y)) 202. Strcat(buf, " in water"); 203. else if (is_lava(x,y)) 204. Strcat(buf, " in molten lava"); /* [can this ever happen?] */ 205. } else if (glyph_is_trap(glyph)) { 206. int tnum = what_trap(glyph_to_trap(glyph)); 207. Strcpy(buf, defsyms[trap_to_defsym(tnum)].explanation); 208. } else if(!glyph_is_cmap(glyph)) { 209. Strcpy(buf,"dark part of a room"); 210. } else switch(glyph_to_cmap(glyph)) { 211. case S_altar: 212. if(!In_endgame(&u.uz)) 213. Sprintf(buf, "%s altar", 214. align_str(Amask2align(levl[x][y].altarmask & ~AM_SHRINE))); 215. else Sprintf(buf, "aligned altar"); 216. break; 217. case S_ndoor: 218. if (is_drawbridge_wall(x, y) >= 0) 219. Strcpy(buf,"open drawbridge portcullis"); 220. else if ((levl[x][y].doormask & ~D_TRAPPED) == D_BROKEN) 221. Strcpy(buf,"broken door"); 222. else 223. Strcpy(buf,"doorway"); 224. break; 225. case S_cloud: 226. Strcpy(buf, Is_airlevel(&u.uz) ? "cloudy area" : "fog/vapor cloud"); 227. break; 228. default: 229. Strcpy(buf,defsyms[glyph_to_cmap(glyph)].explanation); 230. break; 231. } 232. 233. return ((pm && !Hallucination) ? pm : (struct permonst *) 0); 234. } 235. 236. /* 237. * Look in the "data" file for more info. Called if the user typed in the 238. * whole name (user_typed_name == TRUE), or we've found a possible match 239. * with a character/glyph and flags.help is TRUE. 240. * 241. * NOTE: when (user_typed_name == FALSE), inp is considered read-only and 242. * must not be changed directly, e.g. via lcase(). We want to force 243. * lcase() for data.base lookup so that we can have a clean key. 244. * Therefore, we create a copy of inp _just_ for data.base lookup. 245. */ 246. STATIC_OVL void 247. checkfile(inp, pm, user_typed_name, without_asking) 248. char *inp; 249. struct permonst *pm; 250. boolean user_typed_name, without_asking; 251. { 252. dlb *fp; 253. char buf[BUFSZ], newstr[BUFSZ]; 254. char *ep, *dbase_str; 255. long txt_offset; 256. int chk_skip; 257. boolean found_in_file = FALSE, skipping_entry = FALSE; 258. 259. fp = dlb_fopen(DATAFILE, "r"); 260. if (!fp) { 261. pline("Cannot open data file!"); 262. return; 263. } 264. 265. /* To prevent the need for entries in data.base like *ngel to account 266. * for Angel and angel, make the lookup string the same for both 267. * user_typed_name and picked name. 268. */ 269. if (pm != (struct permonst *) 0 && !user_typed_name) 270. dbase_str = strcpy(newstr, pm->mname); 271. else dbase_str = strcpy(newstr, inp); 272. (void) lcase(dbase_str); 273. 274. if (!strncmp(dbase_str, "interior of ", 12)) 275. dbase_str += 12; 276. if (!strncmp(dbase_str, "a ", 2)) 277. dbase_str += 2; 278. else if (!strncmp(dbase_str, "an ", 3)) 279. dbase_str += 3; 280. else if (!strncmp(dbase_str, "the ", 4)) 281. dbase_str += 4; 282. if (!strncmp(dbase_str, "tame ", 5)) 283. dbase_str += 5; 284. else if (!strncmp(dbase_str, "peaceful ", 9)) 285. dbase_str += 9; 286. if (!strncmp(dbase_str, "invisible ", 10)) 287. dbase_str += 10; 288. if (!strncmp(dbase_str, "statue of ", 10)) 289. dbase_str[6] = '\0'; 290. else if (!strncmp(dbase_str, "figurine of ", 12)) 291. dbase_str[8] = '\0'; 292. 293. /* Make sure the name is non-empty. */ 294. if (*dbase_str) { 295. /* adjust the input to remove "named " and convert to lower case */ 296. char *alt = 0; /* alternate description */ 297. if ((ep = strstri(dbase_str, " named ")) != 0) 298. alt = ep + 7; 299. else 300. ep = strstri(dbase_str, " called "); 301. if (ep) *ep = '\0'; 302. else if ((ep = strstri(dbase_str, ", ")) != 0) *ep = '\0'; 303. 304. /* 305. * If the object is named, then the name is the alternate description; 306. * otherwise, the result of makesingular() applied to the name is. This 307. * isn't strictly optimal, but named objects of interest to the user 308. * will usually be found under their name, rather than under their 309. * object type, so looking for a singular form is pointless. 310. */ 311. 312. if (!alt) 313. alt = makesingular(dbase_str); 314. else 315. if (user_typed_name) 316. (void) lcase(alt); 317. 318. /* skip first record; read second */ 319. txt_offset = 0L; 320. if (!dlb_fgets(buf, BUFSZ, fp) || !dlb_fgets(buf, BUFSZ, fp)) { 321. impossible("can't read 'data' file"); 322. (void) dlb_fclose(fp); 323. return; 324. } else if (sscanf(buf, "%8lx\n", &txt_offset) < 1 || txt_offset <= 0) 325. goto bad_data_file; 326. 327. /* look for the appropriate entry */ 328. while (dlb_fgets(buf,BUFSZ,fp)) { 329. if (*buf == '.') break; /* we passed last entry without success */ 330. 331. if (digit(*buf)) { 332. /* a number indicates the end of current entry */ 333. skipping_entry = FALSE; 334. } else if (!skipping_entry) { 335. if (!(ep = index(buf, '\n'))) goto bad_data_file; 336. *ep = 0; 337. /* if we match a key that begins with "~", skip this entry */ 338. chk_skip = (*buf == '~') ? 1 : 0; 339. if (pmatch(&buf[chk_skip], dbase_str) || 340. (alt && pmatch(&buf[chk_skip], alt))) { 341. if (chk_skip) { 342. skipping_entry = TRUE; 343. continue; 344. } else { 345. found_in_file = TRUE; 346. break; 347. } 348. } 349. } 350. } 351. } 352. 353. if(found_in_file) { 354. long entry_offset; 355. int entry_count; 356. int i; 357. 358. /* skip over other possible matches for the info */ 359. do { 360. if (!dlb_fgets(buf, BUFSZ, fp)) goto bad_data_file; 361. } while (!digit(*buf)); 362. if (sscanf(buf, "%ld,%d\n", &entry_offset, &entry_count) < 2) { 363. bad_data_file: impossible("'data' file in wrong format"); 364. (void) dlb_fclose(fp); 365. return; 366. } 367. 368. if (user_typed_name || without_asking || yn("More info?") == 'y') { 369. winid datawin; 370. 371. if (dlb_fseek(fp, txt_offset + entry_offset, SEEK_SET) < 0) { 372. pline("? Seek error on 'data' file!"); 373. (void) dlb_fclose(fp); 374. return; 375. } 376. datawin = create_nhwindow(NHW_MENU); 377. for (i = 0; i < entry_count; i++) { 378. if (!dlb_fgets(buf, BUFSZ, fp)) goto bad_data_file; 379. if ((ep = index(buf, '\n')) != 0) *ep = 0; 380. if (index(buf+1, '\t') != 0) (void) tabexpand(buf+1); 381. putstr(datawin, 0, buf+1); 382. } 383. display_nhwindow(datawin, FALSE); 384. destroy_nhwindow(datawin); 385. } 386. } else if (user_typed_name) 387. pline("I don't have any information on those things."); 388. 389. (void) dlb_fclose(fp); 390. } 391. 392. /* getpos() return values */ 393. #define LOOK_TRADITIONAL 0 /* '.' -- ask about "more info?" */ 394. #define LOOK_QUICK 1 /* ',' -- skip "more info?" */ 395. #define LOOK_ONCE 2 /* ';' -- skip and stop looping */ 396. #define LOOK_VERBOSE 3 /* ':' -- show more info w/o asking */ 397. 398. /* also used by getpos hack in do_name.c */ 399. const char what_is_an_unknown_object[] = "an unknown object"; 400. 401. STATIC_OVL int 402. do_look(quick) 403. boolean quick; /* use cursor && don't search for "more info" */ 404. { 405. char out_str[BUFSZ], look_buf[BUFSZ]; 406. const char *x_str, *firstmatch = 0; 407. struct permonst *pm = 0; 408. int i, ans = 0; 409. int sym; /* typed symbol or converted glyph */ 410. int found; /* count of matching syms found */ 411. coord cc; /* screen pos of unknown glyph */ 412. boolean save_verbose; /* saved value of flags.verbose */ 413. boolean from_screen; /* question from the screen */ 414. boolean need_to_look; /* need to get explan. from glyph */ 415. boolean hit_trap; /* true if found trap explanation */ 416. int skipped_venom = 0; /* non-zero if we ignored "splash of venom" */ 417. static const char *mon_interior = "the interior of a monster"; 418. 419. if (quick) { 420. from_screen = TRUE; /* yes, we want to use the cursor */ 421. } else { 422. i = ynq("Specify unknown object by cursor?"); 423. if (i == 'q') return 0; 424. from_screen = (i == 'y'); 425. } 426. 427. if (from_screen) { 428. cc.x = u.ux; 429. cc.y = u.uy; 430. sym = 0; /* gcc -Wall lint */ 431. } else { 432. getlin("Specify what? (type the word)", out_str); 433. if (out_str[0] == '\0' || out_str[0] == '\033') 434. return 0; 435. 436. if (out_str[1]) { /* user typed in a complete string */ 437. checkfile(out_str, pm, TRUE, TRUE); 438. return 0; 439. } 440. sym = out_str[0]; 441. } 442. 443. /* Save the verbose flag, we change it later. */ 444. save_verbose = flags.verbose; 445. flags.verbose = flags.verbose && !quick; 446. /* 447. * The user typed one letter, or we're identifying from the screen. 448. */ 449. do { 450. /* Reset some variables. */ 451. need_to_look = FALSE; 452. pm = (struct permonst *)0; 453. found = 0; 454. out_str[0] = '\0'; 455. 456. if (from_screen) { 457. int glyph; /* glyph at selected position */ 458. 459. if (flags.verbose) 460. pline("Please move the cursor to %s.", 461. what_is_an_unknown_object); 462. else 463. pline("Pick an object."); 464. 465. ans = getpos(&cc, quick, what_is_an_unknown_object); 466. if (ans < 0 || cc.x < 0) { 467. flags.verbose = save_verbose; 468. return 0; /* done */ 469. } 470. flags.verbose = FALSE; /* only print long question once */ 471. 472. /* Convert the glyph at the selected position to a symbol. */ 473. glyph = glyph_at(cc.x,cc.y); 474. if (glyph_is_cmap(glyph)) { 475. sym = showsyms[glyph_to_cmap(glyph)]; 476. } else if (glyph_is_trap(glyph)) { 477. sym = showsyms[trap_to_defsym(glyph_to_trap(glyph))]; 478. } else if (glyph_is_object(glyph)) { 479. sym = oc_syms[(int)objects[glyph_to_obj(glyph)].oc_class]; 480. } else if (glyph_is_monster(glyph)) { 481. /* takes care of pets, detected, ridden, and regular mons */ 482. sym = monsyms[(int)mons[glyph_to_mon(glyph)].mlet]; 483. } else if (glyph_is_swallow(glyph)) { 484. sym = showsyms[glyph_to_swallow(glyph)+S_sw_tl]; 485. } else if (glyph_is_invisible(glyph)) { 486. sym = DEF_INVISIBLE; 487. } else { 488. impossible("do_look: bad glyph %d at (%d,%d)", 489. glyph, (int)cc.x, (int)cc.y); 490. sym = ' '; 491. } 492. } 493. 494. /* 495. * Check all the possibilities, saving all explanations in a buffer. 496. * When all have been checked then the string is printed. 497. */ 498. 499. /* Check for monsters */ 500. for (i = 0; i < MAXMCLASSES; i++) { 501. if (sym == (from_screen ? monsyms[i] : def_monsyms[i])) { 502. need_to_look = TRUE; 503. if (!found) { 504. Sprintf(out_str, "%c %s", sym, an(monexplain[i])); 505. firstmatch = monexplain[i]; 506. found++; 507. } else { 508. found += append_str(out_str, an(monexplain[i])); 509. } 510. } 511. } 512. /* handle '@' as a special case; firstmatch is guaranteed 513. to already be set in that case */ 514. if (!from_screen ? (sym == def_monsyms[S_HUMAN]) : 515. (cc.x == u.ux && cc.y == u.uy && sym == monsyms[S_HUMAN])) 516. found += append_str(out_str, "you"); /* tack on "or you" */ 517. 518. /* 519. * Special case: if identifying from the screen, and we're swallowed, 520. * and looking at something other than our own symbol, then just say 521. * "the interior of a monster". 522. */ 523. if (u.uswallow && from_screen && is_swallow_sym(sym)) { 524. if (!found) { 525. Sprintf(out_str, "%c %s", sym, mon_interior); 526. firstmatch = mon_interior; 527. } else { 528. found += append_str(out_str, mon_interior); 529. } 530. need_to_look = TRUE; 531. } 532. 533. /* Now check for objects */ 534. for (i = 1; i < MAXOCLASSES; i++) { 535. if (sym == (from_screen ? oc_syms[i] : def_oc_syms[i])) { 536. need_to_look = TRUE; 537. if (from_screen && i == VENOM_CLASS) { 538. skipped_venom++; 539. continue; 540. } 541. if (!found) { 542. Sprintf(out_str, "%c %s", sym, an(objexplain[i])); 543. firstmatch = objexplain[i]; 544. found++; 545. } else { 546. found += append_str(out_str, an(objexplain[i])); 547. } 548. } 549. } 550. 551. if (sym == DEF_INVISIBLE) { 552. if (!found) { 553. Sprintf(out_str, "%c %s", sym, an(invisexplain)); 554. firstmatch = invisexplain; 555. found++; 556. } else { 557. found += append_str(out_str, an(invisexplain)); 558. } 559. } 560. 561. #define is_cmap_trap(i) ((i) >= S_arrow_trap && (i) <= S_polymorph_trap) 562. #define is_cmap_drawbridge(i) ((i) >= S_vodbridge && (i) <= S_hcdbridge) 563. 564. /* Now check for graphics symbols */ 565. for (hit_trap = FALSE, i = 0; i < MAXPCHARS; i++) { 566. x_str = defsyms[i].explanation; 567. if (sym == (from_screen ? showsyms[i] : defsyms[i].sym) && *x_str) { 568. /* avoid "an air", "a water", or "a floor of a room" */ 569. int article = (i == S_room) ? 2 : /* 2=>"the" */ 570. !(strcmp(x_str, "air") == 0 || /* 1=>"an" */ 571. strcmp(x_str, "water") == 0); /* 0=>(none)*/ 572. 573. if (!found) { 574. if (is_cmap_trap(i)) { 575. Sprintf(out_str, "%c a trap", sym); 576. hit_trap = TRUE; 577. } else { 578. Sprintf(out_str, "%c %s", sym, 579. article == 2 ? the(x_str) : 580. article == 1 ? an(x_str) : x_str); 581. } 582. firstmatch = x_str; 583. found++; 584. } else if (!u.uswallow && !(hit_trap && is_cmap_trap(i)) && 585. !(found >= 3 && is_cmap_drawbridge(i))) { 586. found += append_str(out_str, 587. article == 2 ? the(x_str) : 588. article == 1 ? an(x_str) : x_str); 589. if (is_cmap_trap(i)) hit_trap = TRUE; 590. } 591. 592. if (i == S_altar || is_cmap_trap(i)) 593. need_to_look = TRUE; 594. } 595. } 596. 597. /* if we ignored venom and list turned out to be short, put it back */ 598. if (skipped_venom && found < 2) { 599. x_str = objexplain[VENOM_CLASS]; 600. if (!found) { 601. Sprintf(out_str, "%c %s", sym, an(x_str)); 602. firstmatch = x_str; 603. found++; 604. } else { 605. found += append_str(out_str, an(x_str)); 606. } 607. } 608. 609. /* 610. * If we are looking at the screen, follow multiple possibilities or 611. * an ambiguous explanation by something more detailed. 612. */ 613. if (from_screen) { 614. if (found > 1 || need_to_look) { 615. char monbuf[BUFSZ]; 616. char temp_buf[BUFSZ], coybuf[QBUFSZ]; 617. 618. pm = lookat(cc.x, cc.y, look_buf, monbuf); 619. firstmatch = look_buf; 620. if (*firstmatch) { 621. Sprintf(temp_buf, " (%s)", 622. (pm == &mons[PM_COYOTE]) ? 623. coyotename(coybuf) : firstmatch); 624. (void)strncat(out_str, temp_buf, BUFSZ-strlen(out_str)-1); 625. found = 1; /* we have something to look up */ 626. } 627. if (monbuf[0]) { 628. Sprintf(temp_buf, " [seen: %s]", monbuf); 629. (void)strncat(out_str, temp_buf, BUFSZ-strlen(out_str)-1); 630. } 631. } 632. } 633. 634. /* Finally, print out our explanation. */ 635. if (found) { 636. pline("%s", out_str); 637. /* check the data file for information about this thing */ 638. if (found == 1 && ans != LOOK_QUICK && ans != LOOK_ONCE && 639. (ans == LOOK_VERBOSE || (flags.help && !quick))) { 640. char temp_buf[BUFSZ]; 641. Strcpy(temp_buf, firstmatch); 642. checkfile(temp_buf, pm, FALSE, (boolean)(ans == LOOK_VERBOSE)); 643. } 644. } else { 645. pline("I've never heard of such things."); 646. } 647. 648. } while (from_screen && !quick && ans != LOOK_ONCE); 649. 650. flags.verbose = save_verbose; 651. return 0; 652. } 653. 654. 655. int 656. dowhatis() 657. { 658. return do_look(FALSE); 659. } 660. 661. int 662. doquickwhatis() 663. { 664. return do_look(TRUE); 665. } 666. 667. int 668. doidtrap() 669. { 670. register struct trap *trap; 671. int x, y, tt; 672. 673. if (!getdir((char *)0)) return 0; 674. x = u.ux + u.dx; 675. y = u.uy + u.dy; 676. for (trap = ftrap; trap; trap = trap->ntrap) 677. if (trap->tx == x && trap->ty == y) { 678. if (!trap->tseen) break; 679. tt = trap->ttyp; 680. if (u.dz) { 681. if (u.dz < 0 ? (tt == TRAPDOOR || tt == HOLE) : 682. tt == ROCKTRAP) break; 683. } 684. tt = what_trap(tt); 685. pline("That is %s%s%s.", 686. an(defsyms[trap_to_defsym(tt)].explanation), 687. !trap->madeby_u ? "" : (tt == WEB) ? " woven" : 688. /* trap doors & spiked pits can't be made by 689. player, and should be considered at least 690. as much "set" as "dug" anyway */ 691. (tt == HOLE || tt == PIT) ? " dug" : " set", 692. !trap->madeby_u ? "" : " by you"); 693. return 0; 694. } 695. pline("I can't see a trap there."); 696. return 0; 697. } 698. 699. int 700. dowhatdoes() 701. { 702. dlb *fp; 703. char bufr[BUFSZ+6]; 704. register char *buf = &bufr[6], *ep, q, ctrl, meta; 705. 706. fp = dlb_fopen(CMDHELPFILE, "r"); 707. if (!fp) { 708. pline("Cannot open data file!"); 709. return 0; 710. } 711. 712. #if defined(UNIX) || defined(VMS) 713. introff(); 714. #endif 715. q = yn_function("What command?", (char *)0, '\0'); 716. #if defined(UNIX) || defined(VMS) 717. intron(); 718. #endif 719. ctrl = ((q <= '\033') ? (q - 1 + 'A') : 0); 720. meta = ((0x80 & q) ? (0x7f & q) : 0); 721. while(dlb_fgets(buf,BUFSZ,fp)) 722. if ((ctrl && *buf=='^' && *(buf+1)==ctrl) || 723. (meta && *buf=='M' && *(buf+1)=='-' && *(buf+2)==meta) || 724. *buf==q) { 725. ep = index(buf, '\n'); 726. if(ep) *ep = 0; 727. if (ctrl && buf[2] == '\t'){ 728. buf = bufr + 1; 729. (void) strncpy(buf, "^? ", 8); 730. buf[1] = ctrl; 731. } else if (meta && buf[3] == '\t'){ 732. buf = bufr + 2; 733. (void) strncpy(buf, "M-? ", 8); 734. buf[2] = meta; 735. } else if(buf[1] == '\t'){ 736. buf = bufr; 737. buf[0] = q; 738. (void) strncpy(buf+1, " ", 7); 739. } 740. pline("%s", buf); 741. (void) dlb_fclose(fp); 742. return 0; 743. } 744. pline("I've never heard of such commands."); 745. (void) dlb_fclose(fp); 746. return 0; 747. } 748. 749. /* data for help_menu() */ 750. static const char *help_menu_items[] = { 751. /* 0*/ "Long description of the game and commands.", 752. /* 1*/ "List of game commands.", 753. /* 2*/ "Concise history of NetHack.", 754. /* 3*/ "Info on a character in the game display.", 755. /* 4*/ "Info on what a given key does.", 756. /* 5*/ "List of game options.", 757. /* 6*/ "Longer explanation of game options.", 758. /* 7*/ "List of extended commands.", 759. /* 8*/ "The NetHack license.", 760. #ifdef PORT_HELP 761. "%s-specific help and commands.", 762. #define PORT_HELP_ID 100 763. #define WIZHLP_SLOT 10 764. #else 765. #define WIZHLP_SLOT 9 766. #endif 767. #ifdef WIZARD 768. "List of wizard-mode commands.", 769. #endif 770. "", 771. (char *)0 772. }; 773. 774. STATIC_OVL boolean 775. help_menu(sel) 776. int *sel; 777. { 778. winid tmpwin = create_nhwindow(NHW_MENU); 779. #ifdef PORT_HELP 780. char helpbuf[QBUFSZ]; 781. #endif 782. int i, n; 783. menu_item *selected; 784. anything any; 785. 786. any.a_void = 0; /* zero all bits */ 787. start_menu(tmpwin); 788. #ifdef WIZARD 789. if (!wizard) help_menu_items[WIZHLP_SLOT] = "", 790. help_menu_items[WIZHLP_SLOT+1] = (char *)0; 791. #endif 792. for (i = 0; help_menu_items[i]; i++) 793. #ifdef PORT_HELP 794. /* port-specific line has a %s in it for the PORT_ID */ 795. if (help_menu_items[i][0] == '%') { 796. Sprintf(helpbuf, help_menu_items[i], PORT_ID); 797. any.a_int = PORT_HELP_ID + 1; 798. add_menu(tmpwin, NO_GLYPH, &any, 0, 0, ATR_NONE, 799. helpbuf, MENU_UNSELECTED); 800. } else 801. #endif 802. { 803. any.a_int = (*help_menu_items[i]) ? i+1 : 0; 804. add_menu(tmpwin, NO_GLYPH, &any, 0, 0, 805. ATR_NONE, help_menu_items[i], MENU_UNSELECTED); 806. } 807. end_menu(tmpwin, "Select one item:"); 808. n = select_menu(tmpwin, PICK_ONE, &selected); 809. destroy_nhwindow(tmpwin); 810. if (n > 0) { 811. *sel = selected[0].item.a_int - 1; 812. free((genericptr_t)selected); 813. return TRUE; 814. } 815. return FALSE; 816. } 817. 818. int 819. dohelp() 820. { 821. int sel = 0; 822. 823. if (help_menu(&sel)) { 824. switch (sel) { 825. case 0: display_file(HELP, TRUE); break; 826. case 1: display_file(SHELP, TRUE); break; 827. case 2: (void) dohistory(); break; 828. case 3: (void) dowhatis(); break; 829. case 4: (void) dowhatdoes(); break; 830. case 5: option_help(); break; 831. case 6: display_file(OPTIONFILE, TRUE); break; 832. case 7: (void) doextlist(); break; 833. case 8: display_file(LICENSE, TRUE); break; 834. #ifdef WIZARD 835. /* handle slot 9 or 10 */ 836. default: display_file(DEBUGHELP, TRUE); break; 837. #endif 838. #ifdef PORT_HELP 839. case PORT_HELP_ID: port_help(); break; 840. #endif 841. } 842. } 843. return 0; 844. } 845. 846. int 847. dohistory() 848. { 849. display_file(HISTORY, TRUE); 850. return 0; 851. } 852. 853. /*pager.c*/