| 1 | /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */ |
| 2 | /* hack.read.c - version 1.0.3 */ |
| 3 | |
| 4 | #include "hack.h" |
| 5 | |
| 6 | extern struct monst *makemon(); |
| 7 | extern struct obj *mkobj_at(); |
| 8 | int identify(); |
| 9 | |
| 10 | doread() { |
| 11 | register struct obj *scroll; |
| 12 | register boolean confused = (Confusion != 0); |
| 13 | register boolean known = FALSE; |
| 14 | extern struct obj *some_armor(); |
| 15 | |
| 16 | scroll = getobj("?", "read"); |
| 17 | if(!scroll) return(0); |
| 18 | if(!scroll->dknown && Blind) { |
| 19 | pline("Being blind, you cannot read the formula on the scroll."); |
| 20 | return(0); |
| 21 | } |
| 22 | if(Blind) |
| 23 | pline("As you pronounce the formula on it, the scroll disappears."); |
| 24 | else |
| 25 | pline("As you read the scroll, it disappears."); |
| 26 | if(confused) |
| 27 | pline("Being confused, you mispronounce the magic words ... "); |
| 28 | |
| 29 | switch(scroll->otyp) { |
| 30 | #ifdef MAIL |
| 31 | case SCR_MAIL: |
| 32 | readmail(/* scroll */); |
| 33 | break; |
| 34 | #endif MAIL |
| 35 | case SCR_ENCHANT_ARMOR: |
| 36 | { register struct obj *otmp = some_armor(); |
| 37 | if(!otmp) { |
| 38 | strange_feeling(scroll,"Your skin glows then fades."); |
| 39 | return(1); |
| 40 | } |
| 41 | if(confused) { |
| 42 | pline("Your %s glows silver for a moment.", |
| 43 | objects[otmp->otyp].oc_name); |
| 44 | otmp->rustfree = 1; |
| 45 | break; |
| 46 | } |
| 47 | if(otmp->spe > 3 && rn2(otmp->spe)) { |
| 48 | pline("Your %s glows violently green for a while, then evaporates.", |
| 49 | objects[otmp->otyp].oc_name); |
| 50 | useup(otmp); |
| 51 | break; |
| 52 | } |
| 53 | pline("Your %s glows green for a moment.", |
| 54 | objects[otmp->otyp].oc_name); |
| 55 | otmp->cursed = 0; |
| 56 | otmp->spe++; |
| 57 | break; |
| 58 | } |
| 59 | case SCR_DESTROY_ARMOR: |
| 60 | if(confused) { |
| 61 | register struct obj *otmp = some_armor(); |
| 62 | if(!otmp) { |
| 63 | strange_feeling(scroll,"Your bones itch."); |
| 64 | return(1); |
| 65 | } |
| 66 | pline("Your %s glows purple for a moment.", |
| 67 | objects[otmp->otyp].oc_name); |
| 68 | otmp->rustfree = 0; |
| 69 | break; |
| 70 | } |
| 71 | if(uarm) { |
| 72 | pline("Your armor turns to dust and falls to the floor!"); |
| 73 | useup(uarm); |
| 74 | } else if(uarmh) { |
| 75 | pline("Your helmet turns to dust and is blown away!"); |
| 76 | useup(uarmh); |
| 77 | } else if(uarmg) { |
| 78 | pline("Your gloves vanish!"); |
| 79 | useup(uarmg); |
| 80 | selftouch("You"); |
| 81 | } else { |
| 82 | strange_feeling(scroll,"Your skin itches."); |
| 83 | return(1); |
| 84 | } |
| 85 | break; |
| 86 | case SCR_CONFUSE_MONSTER: |
| 87 | if(confused) { |
| 88 | pline("Your hands begin to glow purple."); |
| 89 | Confusion += rnd(100); |
| 90 | } else { |
| 91 | pline("Your hands begin to glow blue."); |
| 92 | u.umconf = 1; |
| 93 | } |
| 94 | break; |
| 95 | case SCR_SCARE_MONSTER: |
| 96 | { register int ct = 0; |
| 97 | register struct monst *mtmp; |
| 98 | |
| 99 | for(mtmp = fmon; mtmp; mtmp = mtmp->nmon) |
| 100 | if(cansee(mtmp->mx,mtmp->my)) { |
| 101 | if(confused) |
| 102 | mtmp->mflee = mtmp->mfroz = |
| 103 | mtmp->msleep = 0; |
| 104 | else |
| 105 | mtmp->mflee = 1; |
| 106 | ct++; |
| 107 | } |
| 108 | if(!ct) { |
| 109 | if(confused) |
| 110 | pline("You hear sad wailing in the distance."); |
| 111 | else |
| 112 | pline("You hear maniacal laughter in the distance."); |
| 113 | } |
| 114 | break; |
| 115 | } |
| 116 | case SCR_BLANK_PAPER: |
| 117 | if(confused) |
| 118 | pline("You see strange patterns on this scroll."); |
| 119 | else |
| 120 | pline("This scroll seems to be blank."); |
| 121 | break; |
| 122 | case SCR_REMOVE_CURSE: |
| 123 | { register struct obj *obj; |
| 124 | if(confused) |
| 125 | pline("You feel like you need some help."); |
| 126 | else |
| 127 | pline("You feel like someone is helping you."); |
| 128 | for(obj = invent; obj ; obj = obj->nobj) |
| 129 | if(obj->owornmask) |
| 130 | obj->cursed = confused; |
| 131 | if(Punished && !confused) { |
| 132 | Punished = 0; |
| 133 | freeobj(uchain); |
| 134 | unpobj(uchain); |
| 135 | free((char *) uchain); |
| 136 | uball->spe = 0; |
| 137 | uball->owornmask &= ~W_BALL; |
| 138 | uchain = uball = (struct obj *) 0; |
| 139 | } |
| 140 | break; |
| 141 | } |
| 142 | case SCR_CREATE_MONSTER: |
| 143 | { register int cnt = 1; |
| 144 | |
| 145 | if(!rn2(73)) cnt += rnd(4); |
| 146 | if(confused) cnt += 12; |
| 147 | while(cnt--) |
| 148 | (void) makemon(confused ? PM_ACID_BLOB : |
| 149 | (struct permonst *) 0, u.ux, u.uy); |
| 150 | break; |
| 151 | } |
| 152 | case SCR_ENCHANT_WEAPON: |
| 153 | if(uwep && confused) { |
| 154 | pline("Your %s glows silver for a moment.", |
| 155 | objects[uwep->otyp].oc_name); |
| 156 | uwep->rustfree = 1; |
| 157 | } else |
| 158 | if(!chwepon(scroll, 1)) /* tests for !uwep */ |
| 159 | return(1); |
| 160 | break; |
| 161 | case SCR_DAMAGE_WEAPON: |
| 162 | if(uwep && confused) { |
| 163 | pline("Your %s glows purple for a moment.", |
| 164 | objects[uwep->otyp].oc_name); |
| 165 | uwep->rustfree = 0; |
| 166 | } else |
| 167 | if(!chwepon(scroll, -1)) /* tests for !uwep */ |
| 168 | return(1); |
| 169 | break; |
| 170 | case SCR_TAMING: |
| 171 | { register int i,j; |
| 172 | register int bd = confused ? 5 : 1; |
| 173 | register struct monst *mtmp; |
| 174 | |
| 175 | for(i = -bd; i <= bd; i++) for(j = -bd; j <= bd; j++) |
| 176 | if(mtmp = m_at(u.ux+i, u.uy+j)) |
| 177 | (void) tamedog(mtmp, (struct obj *) 0); |
| 178 | break; |
| 179 | } |
| 180 | case SCR_GENOCIDE: |
| 181 | { extern char genocided[], fut_geno[]; |
| 182 | char buf[BUFSZ]; |
| 183 | register struct monst *mtmp, *mtmp2; |
| 184 | |
| 185 | pline("You have found a scroll of genocide!"); |
| 186 | known = TRUE; |
| 187 | if(confused) |
| 188 | *buf = u.usym; |
| 189 | else do { |
| 190 | pline("What monster do you want to genocide (Type the letter)? "); |
| 191 | getlin(buf); |
| 192 | } while(strlen(buf) != 1 || !monstersym(*buf)); |
| 193 | if(!index(fut_geno, *buf)) |
| 194 | charcat(fut_geno, *buf); |
| 195 | if(!index(genocided, *buf)) |
| 196 | charcat(genocided, *buf); |
| 197 | else { |
| 198 | pline("Such monsters do not exist in this world."); |
| 199 | break; |
| 200 | } |
| 201 | for(mtmp = fmon; mtmp; mtmp = mtmp2){ |
| 202 | mtmp2 = mtmp->nmon; |
| 203 | if(mtmp->data->mlet == *buf) |
| 204 | mondead(mtmp); |
| 205 | } |
| 206 | pline("Wiped out all %c's.", *buf); |
| 207 | if(*buf == u.usym) { |
| 208 | killer = "scroll of genocide"; |
| 209 | u.uhp = -1; |
| 210 | } |
| 211 | break; |
| 212 | } |
| 213 | case SCR_LIGHT: |
| 214 | if(!Blind) known = TRUE; |
| 215 | litroom(!confused); |
| 216 | break; |
| 217 | case SCR_TELEPORTATION: |
| 218 | if(confused) |
| 219 | level_tele(); |
| 220 | else { |
| 221 | #ifdef QUEST |
| 222 | register int oux = u.ux, ouy = u.uy; |
| 223 | tele(); |
| 224 | if(dist(oux, ouy) > 100) known = TRUE; |
| 225 | #else QUEST |
| 226 | register int uroom = inroom(u.ux, u.uy); |
| 227 | tele(); |
| 228 | if(uroom != inroom(u.ux, u.uy)) known = TRUE; |
| 229 | #endif QUEST |
| 230 | } |
| 231 | break; |
| 232 | case SCR_GOLD_DETECTION: |
| 233 | /* Unfortunately this code has become slightly less elegant, |
| 234 | now that gold and traps no longer are of the same type. */ |
| 235 | if(confused) { |
| 236 | register struct trap *ttmp; |
| 237 | |
| 238 | if(!ftrap) { |
| 239 | strange_feeling(scroll, "Your toes stop itching."); |
| 240 | return(1); |
| 241 | } else { |
| 242 | for(ttmp = ftrap; ttmp; ttmp = ttmp->ntrap) |
| 243 | if(ttmp->tx != u.ux || ttmp->ty != u.uy) |
| 244 | goto outtrapmap; |
| 245 | /* only under me - no separate display required */ |
| 246 | pline("Your toes itch!"); |
| 247 | break; |
| 248 | outtrapmap: |
| 249 | cls(); |
| 250 | for(ttmp = ftrap; ttmp; ttmp = ttmp->ntrap) |
| 251 | at(ttmp->tx, ttmp->ty, '$'); |
| 252 | prme(); |
| 253 | pline("You feel very greedy!"); |
| 254 | } |
| 255 | } else { |
| 256 | register struct gold *gtmp; |
| 257 | |
| 258 | if(!fgold) { |
| 259 | strange_feeling(scroll, "You feel materially poor."); |
| 260 | return(1); |
| 261 | } else { |
| 262 | known = TRUE; |
| 263 | for(gtmp = fgold; gtmp; gtmp = gtmp->ngold) |
| 264 | if(gtmp->gx != u.ux || gtmp->gy != u.uy) |
| 265 | goto outgoldmap; |
| 266 | /* only under me - no separate display required */ |
| 267 | pline("You notice some gold between your feet."); |
| 268 | break; |
| 269 | outgoldmap: |
| 270 | cls(); |
| 271 | for(gtmp = fgold; gtmp; gtmp = gtmp->ngold) |
| 272 | at(gtmp->gx, gtmp->gy, '$'); |
| 273 | prme(); |
| 274 | pline("You feel very greedy, and sense gold!"); |
| 275 | } |
| 276 | } |
| 277 | /* common sequel */ |
| 278 | more(); |
| 279 | docrt(); |
| 280 | break; |
| 281 | case SCR_FOOD_DETECTION: |
| 282 | { register ct = 0, ctu = 0; |
| 283 | register struct obj *obj; |
| 284 | register char foodsym = confused ? POTION_SYM : FOOD_SYM; |
| 285 | |
| 286 | for(obj = fobj; obj; obj = obj->nobj) |
| 287 | if(obj->olet == FOOD_SYM) { |
| 288 | if(obj->ox == u.ux && obj->oy == u.uy) ctu++; |
| 289 | else ct++; |
| 290 | } |
| 291 | if(!ct && !ctu) { |
| 292 | strange_feeling(scroll,"Your nose twitches."); |
| 293 | return(1); |
| 294 | } else if(!ct) { |
| 295 | known = TRUE; |
| 296 | pline("You smell %s close nearby.", |
| 297 | confused ? "something" : "food"); |
| 298 | |
| 299 | } else { |
| 300 | known = TRUE; |
| 301 | cls(); |
| 302 | for(obj = fobj; obj; obj = obj->nobj) |
| 303 | if(obj->olet == foodsym) |
| 304 | at(obj->ox, obj->oy, FOOD_SYM); |
| 305 | prme(); |
| 306 | pline("Your nose tingles and you smell %s!", |
| 307 | confused ? "something" : "food"); |
| 308 | more(); |
| 309 | docrt(); |
| 310 | } |
| 311 | break; |
| 312 | } |
| 313 | case SCR_IDENTIFY: |
| 314 | /* known = TRUE; */ |
| 315 | if(confused) |
| 316 | pline("You identify this as an identify scroll."); |
| 317 | else |
| 318 | pline("This is an identify scroll."); |
| 319 | useup(scroll); |
| 320 | objects[SCR_IDENTIFY].oc_name_known = 1; |
| 321 | if(!confused) |
| 322 | while( |
| 323 | !ggetobj("identify", identify, rn2(5) ? 1 : rn2(5)) |
| 324 | && invent |
| 325 | ); |
| 326 | return(1); |
| 327 | case SCR_MAGIC_MAPPING: |
| 328 | { register struct rm *lev; |
| 329 | register int num, zx, zy; |
| 330 | |
| 331 | known = TRUE; |
| 332 | pline("On this scroll %s a map!", |
| 333 | confused ? "was" : "is"); |
| 334 | for(zy = 0; zy < ROWNO; zy++) |
| 335 | for(zx = 0; zx < COLNO; zx++) { |
| 336 | if(confused && rn2(7)) continue; |
| 337 | lev = &(levl[zx][zy]); |
| 338 | if((num = lev->typ) == 0) |
| 339 | continue; |
| 340 | if(num == SCORR) { |
| 341 | lev->typ = CORR; |
| 342 | lev->scrsym = CORR_SYM; |
| 343 | } else |
| 344 | if(num == SDOOR) { |
| 345 | lev->typ = DOOR; |
| 346 | lev->scrsym = '+'; |
| 347 | /* do sth in doors ? */ |
| 348 | } else if(lev->seen) continue; |
| 349 | #ifndef QUEST |
| 350 | if(num != ROOM) |
| 351 | #endif QUEST |
| 352 | { |
| 353 | lev->seen = lev->new = 1; |
| 354 | if(lev->scrsym == ' ' || !lev->scrsym) |
| 355 | newsym(zx,zy); |
| 356 | else |
| 357 | on_scr(zx,zy); |
| 358 | } |
| 359 | } |
| 360 | break; |
| 361 | } |
| 362 | case SCR_AMNESIA: |
| 363 | { register int zx, zy; |
| 364 | |
| 365 | known = TRUE; |
| 366 | for(zx = 0; zx < COLNO; zx++) for(zy = 0; zy < ROWNO; zy++) |
| 367 | if(!confused || rn2(7)) |
| 368 | if(!cansee(zx,zy)) |
| 369 | levl[zx][zy].seen = 0; |
| 370 | docrt(); |
| 371 | pline("Thinking of Maud you forget everything else."); |
| 372 | break; |
| 373 | } |
| 374 | case SCR_FIRE: |
| 375 | { register int num; |
| 376 | register struct monst *mtmp; |
| 377 | |
| 378 | known = TRUE; |
| 379 | if(confused) { |
| 380 | pline("The scroll catches fire and you burn your hands."); |
| 381 | losehp(1, "scroll of fire"); |
| 382 | } else { |
| 383 | pline("The scroll erupts in a tower of flame!"); |
| 384 | if(Fire_resistance) |
| 385 | pline("You are uninjured."); |
| 386 | else { |
| 387 | num = rnd(6); |
| 388 | u.uhpmax -= num; |
| 389 | losehp(num, "scroll of fire"); |
| 390 | } |
| 391 | } |
| 392 | num = (2*num + 1)/3; |
| 393 | for(mtmp = fmon; mtmp; mtmp = mtmp->nmon) { |
| 394 | if(dist(mtmp->mx,mtmp->my) < 3) { |
| 395 | mtmp->mhp -= num; |
| 396 | if(index("FY", mtmp->data->mlet)) |
| 397 | mtmp->mhp -= 3*num; /* this might well kill 'F's */ |
| 398 | if(mtmp->mhp < 1) { |
| 399 | killed(mtmp); |
| 400 | break; /* primitive */ |
| 401 | } |
| 402 | } |
| 403 | } |
| 404 | break; |
| 405 | } |
| 406 | case SCR_PUNISHMENT: |
| 407 | known = TRUE; |
| 408 | if(confused) { |
| 409 | pline("You feel guilty."); |
| 410 | break; |
| 411 | } |
| 412 | pline("You are being punished for your misbehaviour!"); |
| 413 | if(Punished){ |
| 414 | pline("Your iron ball gets heavier."); |
| 415 | uball->owt += 15; |
| 416 | break; |
| 417 | } |
| 418 | Punished = INTRINSIC; |
| 419 | setworn(mkobj_at(CHAIN_SYM, u.ux, u.uy), W_CHAIN); |
| 420 | setworn(mkobj_at(BALL_SYM, u.ux, u.uy), W_BALL); |
| 421 | uball->spe = 1; /* special ball (see save) */ |
| 422 | break; |
| 423 | default: |
| 424 | impossible("What weird language is this written in? (%u)", |
| 425 | scroll->otyp); |
| 426 | } |
| 427 | if(!objects[scroll->otyp].oc_name_known) { |
| 428 | if(known && !confused) { |
| 429 | objects[scroll->otyp].oc_name_known = 1; |
| 430 | more_experienced(0,10); |
| 431 | } else if(!objects[scroll->otyp].oc_uname) |
| 432 | docall(scroll); |
| 433 | } |
| 434 | useup(scroll); |
| 435 | return(1); |
| 436 | } |
| 437 | |
| 438 | identify(otmp) /* also called by newmail() */ |
| 439 | register struct obj *otmp; |
| 440 | { |
| 441 | objects[otmp->otyp].oc_name_known = 1; |
| 442 | otmp->known = otmp->dknown = 1; |
| 443 | prinv(otmp); |
| 444 | return(1); |
| 445 | } |
| 446 | |
| 447 | litroom(on) |
| 448 | register boolean on; |
| 449 | { |
| 450 | register num,zx,zy; |
| 451 | |
| 452 | /* first produce the text (provided he is not blind) */ |
| 453 | if(Blind) goto do_it; |
| 454 | if(!on) { |
| 455 | if(u.uswallow || !xdnstair || levl[u.ux][u.uy].typ == CORR || |
| 456 | !levl[u.ux][u.uy].lit) { |
| 457 | pline("It seems even darker in here than before."); |
| 458 | return; |
| 459 | } else |
| 460 | pline("It suddenly becomes dark in here."); |
| 461 | } else { |
| 462 | if(u.uswallow){ |
| 463 | pline("%s's stomach is lit.", Monnam(u.ustuck)); |
| 464 | return; |
| 465 | } |
| 466 | if(!xdnstair){ |
| 467 | pline("Nothing Happens."); |
| 468 | return; |
| 469 | } |
| 470 | #ifdef QUEST |
| 471 | pline("The cave lights up around you, then fades."); |
| 472 | return; |
| 473 | #else QUEST |
| 474 | if(levl[u.ux][u.uy].typ == CORR) { |
| 475 | pline("The corridor lights up around you, then fades."); |
| 476 | return; |
| 477 | } else if(levl[u.ux][u.uy].lit) { |
| 478 | pline("The light here seems better now."); |
| 479 | return; |
| 480 | } else |
| 481 | pline("The room is lit."); |
| 482 | #endif QUEST |
| 483 | } |
| 484 | |
| 485 | do_it: |
| 486 | #ifdef QUEST |
| 487 | return; |
| 488 | #else QUEST |
| 489 | if(levl[u.ux][u.uy].lit == on) |
| 490 | return; |
| 491 | if(levl[u.ux][u.uy].typ == DOOR) { |
| 492 | if(IS_ROOM(levl[u.ux][u.uy+1].typ)) zy = u.uy+1; |
| 493 | else if(IS_ROOM(levl[u.ux][u.uy-1].typ)) zy = u.uy-1; |
| 494 | else zy = u.uy; |
| 495 | if(IS_ROOM(levl[u.ux+1][u.uy].typ)) zx = u.ux+1; |
| 496 | else if(IS_ROOM(levl[u.ux-1][u.uy].typ)) zx = u.ux-1; |
| 497 | else zx = u.ux; |
| 498 | } else { |
| 499 | zx = u.ux; |
| 500 | zy = u.uy; |
| 501 | } |
| 502 | for(seelx = u.ux; (num = levl[seelx-1][zy].typ) != CORR && num != 0; |
| 503 | seelx--); |
| 504 | for(seehx = u.ux; (num = levl[seehx+1][zy].typ) != CORR && num != 0; |
| 505 | seehx++); |
| 506 | for(seely = u.uy; (num = levl[zx][seely-1].typ) != CORR && num != 0; |
| 507 | seely--); |
| 508 | for(seehy = u.uy; (num = levl[zx][seehy+1].typ) != CORR && num != 0; |
| 509 | seehy++); |
| 510 | for(zy = seely; zy <= seehy; zy++) |
| 511 | for(zx = seelx; zx <= seehx; zx++) { |
| 512 | levl[zx][zy].lit = on; |
| 513 | if(!Blind && dist(zx,zy) > 2) |
| 514 | if(on) prl(zx,zy); else nosee(zx,zy); |
| 515 | } |
| 516 | if(!on) seehx = 0; |
| 517 | #endif QUEST |
| 518 | } |
| 519 | |
| 520 | /* Test whether we may genocide all monsters with symbol ch */ |
| 521 | monstersym(ch) /* arnold@ucsfcgl */ |
| 522 | register char ch; |
| 523 | { |
| 524 | register struct permonst *mp; |
| 525 | extern struct permonst pm_eel; |
| 526 | |
| 527 | /* |
| 528 | * can't genocide certain monsters |
| 529 | */ |
| 530 | if (index("12 &:", ch)) |
| 531 | return FALSE; |
| 532 | |
| 533 | if (ch == pm_eel.mlet) |
| 534 | return TRUE; |
| 535 | for (mp = mons; mp < &mons[CMNUM+2]; mp++) |
| 536 | if (mp->mlet == ch) |
| 537 | return TRUE; |
| 538 | return FALSE; |
| 539 | } |