hack/hack.objnam.c

   1 /*      $NetBSD: hack.objnam.c,v 1.6 2003/04/02 18:36:39 jsm Exp $      */
   2
   3 /*
   4  * Copyright (c) 1985, Stichting Centrum voor Wiskunde en Informatica,
   5  * Amsterdam
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions are
  10  * met:
  11  *
  12  * - Redistributions of source code must retain the above copyright notice,
  13  * this list of conditions and the following disclaimer.
  14  *
  15  * - Redistributions in binary form must reproduce the above copyright
  16  * notice, this list of conditions and the following disclaimer in the
  17  * documentation and/or other materials provided with the distribution.
  18  *
  19  * - Neither the name of the Stichting Centrum voor Wiskunde en
  20  * Informatica, nor the names of its contributors may be used to endorse or
  21  * promote products derived from this software without specific prior
  22  * written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  25  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  26  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  27  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  28  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  29  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  30  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  31  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  32  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  33  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  34  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  35  */
  36
  37 /*
  38  * Copyright (c) 1982 Jay Fenlason <hack@gnu.org>
  39  * All rights reserved.
  40  *
  41  * Redistribution and use in source and binary forms, with or without
  42  * modification, are permitted provided that the following conditions
  43  * are met:
  44  * 1. Redistributions of source code must retain the above copyright
  45  *    notice, this list of conditions and the following disclaimer.
  46  * 2. Redistributions in binary form must reproduce the above copyright
  47  *    notice, this list of conditions and the following disclaimer in the
  48  *    documentation and/or other materials provided with the distribution.
  49  * 3. The name of the author may not be used to endorse or promote products
  50  *    derived from this software without specific prior written permission.
  51  *
  52  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
  53  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
  54  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
  55  * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  56  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  57  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  58  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  59  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  60  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  61  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  62  */
  63
  64 #include <sys/cdefs.h>
  65 #ifndef lint
  66 __RCSID("$NetBSD: hack.objnam.c,v 1.6 2003/04/02 18:36:39 jsm Exp $");
  67 #endif                          /* not lint */
  68
  69 #include <stdlib.h>
  70 #include "hack.h"
  71 #include "extern.h"
  72 #define Sprintf (void) sprintf
  73 #define Strcat  (void) strcat
  74 #define Strcpy  (void) strcpy
  75 #define PREFIX  15
  76
  77 char           *
  78 strprepend(s, pref)
  79         char           *s, *pref;
  80 {
  81         int             i = strlen(pref);
  82         if (i > PREFIX) {
  83                 pline("WARNING: prefix too short.");
  84                 return (s);
  85         }
  86         s -= i;
  87         (void) strncpy(s, pref, i);     /* do not copy trailing 0 */
  88         return (s);
  89 }
  90
  91 char           *
  92 sitoa(a)
  93         int             a;
  94 {
  95         static char     buf[13];
  96         Sprintf(buf, (a < 0) ? "%d" : "+%d", a);
  97         return (buf);
  98 }
  99
 100 char           *
 101 typename(otyp)
 102         int             otyp;
 103 {
 104         static char     buf[BUFSZ];
 105         struct objclass *ocl = &objects[otyp];
 106         const char     *an = ocl->oc_name;
 107         const char     *dn = ocl->oc_descr;
 108         char           *un = ocl->oc_uname;
 109         int             nn = ocl->oc_name_known;
 110         switch (ocl->oc_olet) {
 111         case POTION_SYM:
 112                 Strcpy(buf, "potion");
 113                 break;
 114         case SCROLL_SYM:
 115                 Strcpy(buf, "scroll");
 116                 break;
 117         case WAND_SYM:
 118                 Strcpy(buf, "wand");
 119                 break;
 120         case RING_SYM:
 121                 Strcpy(buf, "ring");
 122                 break;
 123         default:
 124                 if (nn) {
 125                         Strcpy(buf, an);
 126                         if (otyp >= TURQUOISE && otyp <= JADE)
 127                                 Strcat(buf, " stone");
 128                         if (un)
 129                                 Sprintf(eos(buf), " called %s", un);
 130                         if (dn)
 131                                 Sprintf(eos(buf), " (%s)", dn);
 132                 } else {
 133                         Strcpy(buf, dn ? dn : an);
 134                         if (ocl->oc_olet == GEM_SYM)
 135                                 Strcat(buf, " gem");
 136                         if (un)
 137                                 Sprintf(eos(buf), " called %s", un);
 138                 }
 139                 return (buf);
 140         }
 141         /* here for ring/scroll/potion/wand */
 142         if (nn)
 143                 Sprintf(eos(buf), " of %s", an);
 144         if (un)
 145                 Sprintf(eos(buf), " called %s", un);
 146         if (dn)
 147                 Sprintf(eos(buf), " (%s)", dn);
 148         return (buf);
 149 }
 150
 151 char           *
 152 xname(obj)
 153         struct obj     *obj;
 154 {
 155         static char     bufr[BUFSZ];
 156         char           *buf = &(bufr[PREFIX]);  /* leave room for "17 -3 " */
 157         int             nn = objects[obj->otyp].oc_name_known;
 158         const char     *an = objects[obj->otyp].oc_name;
 159         const char     *dn = objects[obj->otyp].oc_descr;
 160         char           *un = objects[obj->otyp].oc_uname;
 161         int             pl = (obj->quan != 1);
 162         if (!obj->dknown && !Blind)
 163                 obj->dknown = 1;/* %% doesnt belong here */
 164         switch (obj->olet) {
 165         case AMULET_SYM:
 166                 Strcpy(buf, (obj->spe < 0 && obj->known)
 167                        ? "cheap plastic imitation of the " : "");
 168                 Strcat(buf, "Amulet of Yendor");
 169                 break;
 170         case TOOL_SYM:
 171                 if (!nn) {
 172                         Strcpy(buf, dn);
 173                         break;
 174                 }
 175                 Strcpy(buf, an);
 176                 break;
 177         case FOOD_SYM:
 178                 if (obj->otyp == DEAD_HOMUNCULUS && pl) {
 179                         pl = 0;
 180                         Strcpy(buf, "dead homunculi");
 181                         break;
 182                 }
 183                 /* fungis ? */
 184                 /* fall into next case */
 185         case WEAPON_SYM:
 186                 if (obj->otyp == WORM_TOOTH && pl) {
 187                         pl = 0;
 188                         Strcpy(buf, "worm teeth");
 189                         break;
 190                 }
 191                 if (obj->otyp == CRYSKNIFE && pl) {
 192                         pl = 0;
 193                         Strcpy(buf, "crysknives");
 194                         break;
 195                 }
 196                 /* fall into next case */
 197         case ARMOR_SYM:
 198         case CHAIN_SYM:
 199         case ROCK_SYM:
 200                 Strcpy(buf, an);
 201                 break;
 202         case BALL_SYM:
 203                 Sprintf(buf, "%sheavy iron ball",
 204                   (obj->owt > objects[obj->otyp].oc_weight) ? "very " : "");
 205                 break;
 206         case POTION_SYM:
 207                 if (nn || un || !obj->dknown) {
 208                         Strcpy(buf, "potion");
 209                         if (pl) {
 210                                 pl = 0;
 211                                 Strcat(buf, "s");
 212                         }
 213                         if (!obj->dknown)
 214                                 break;
 215                         if (un) {
 216                                 Strcat(buf, " called ");
 217                                 Strcat(buf, un);
 218                         } else {
 219                                 Strcat(buf, " of ");
 220                                 Strcat(buf, an);
 221                         }
 222                 } else {
 223                         Strcpy(buf, dn);
 224                         Strcat(buf, " potion");
 225                 }
 226                 break;
 227         case SCROLL_SYM:
 228                 Strcpy(buf, "scroll");
 229                 if (pl) {
 230                         pl = 0;
 231                         Strcat(buf, "s");
 232                 }
 233                 if (!obj->dknown)
 234                         break;
 235                 if (nn) {
 236                         Strcat(buf, " of ");
 237                         Strcat(buf, an);
 238                 } else if (un) {
 239                         Strcat(buf, " called ");
 240                         Strcat(buf, un);
 241                 } else {
 242                         Strcat(buf, " labeled ");
 243                         Strcat(buf, dn);
 244                 }
 245                 break;
 246         case WAND_SYM:
 247                 if (!obj->dknown)
 248                         Sprintf(buf, "wand");
 249                 else if (nn)
 250                         Sprintf(buf, "wand of %s", an);
 251                 else if (un)
 252                         Sprintf(buf, "wand called %s", un);
 253                 else
 254                         Sprintf(buf, "%s wand", dn);
 255                 break;
 256         case RING_SYM:
 257                 if (!obj->dknown)
 258                         Sprintf(buf, "ring");
 259                 else if (nn)
 260                         Sprintf(buf, "ring of %s", an);
 261                 else if (un)
 262                         Sprintf(buf, "ring called %s", un);
 263                 else
 264                         Sprintf(buf, "%s ring", dn);
 265                 break;
 266         case GEM_SYM:
 267                 if (!obj->dknown) {
 268                         Strcpy(buf, "gem");
 269                         break;
 270                 }
 271                 if (!nn) {
 272                         Sprintf(buf, "%s gem", dn);
 273                         break;
 274                 }
 275                 Strcpy(buf, an);
 276                 if (obj->otyp >= TURQUOISE && obj->otyp <= JADE)
 277                         Strcat(buf, " stone");
 278                 break;
 279         default:
 280                 Sprintf(buf, "glorkum %c (0%o) %u %d",
 281                         obj->olet, obj->olet, obj->otyp, obj->spe);
 282         }
 283         if (pl) {
 284                 char           *p;
 285
 286                 for (p = buf; *p; p++) {
 287                         if (!strncmp(" of ", p, 4)) {
 288                                 /* pieces of, cloves of, lumps of */
 289                                 int             c1, c2 = 's';
 290
 291                                 do {
 292                                         c1 = c2;
 293                                         c2 = *p;
 294                                         *p++ = c1;
 295                                 } while (c1);
 296                                 goto nopl;
 297                         }
 298                 }
 299                 p = eos(buf) - 1;
 300                 if (*p == 's' || *p == 'z' || *p == 'x' ||
 301                     (*p == 'h' && p[-1] == 's'))
 302                         Strcat(buf, "es");      /* boxes */
 303                 else if (*p == 'y' && !strchr(vowels, p[-1]))
 304                         Strcpy(p, "ies");       /* rubies, zruties */
 305                 else
 306                         Strcat(buf, "s");
 307         }
 308 nopl:
 309         if (obj->onamelth) {
 310                 Strcat(buf, " named ");
 311                 Strcat(buf, ONAME(obj));
 312         }
 313         return (buf);
 314 }
 315
 316 char           *
 317 doname(obj)
 318         struct obj     *obj;
 319 {
 320         char            prefix[PREFIX];
 321         char           *bp = xname(obj);
 322         if (obj->quan != 1)
 323                 Sprintf(prefix, "%u ", obj->quan);
 324         else
 325                 Strcpy(prefix, "a ");
 326         switch (obj->olet) {
 327         case AMULET_SYM:
 328                 if (strncmp(bp, "cheap ", 6))
 329                         Strcpy(prefix, "the ");
 330                 break;
 331         case ARMOR_SYM:
 332                 if (obj->owornmask & W_ARMOR)
 333                         Strcat(bp, " (being worn)");
 334                 /* fall into next case */
 335         case WEAPON_SYM:
 336                 if (obj->known) {
 337                         Strcat(prefix, sitoa(obj->spe));
 338                         Strcat(prefix, " ");
 339                 }
 340                 break;
 341         case WAND_SYM:
 342                 if (obj->known)
 343                         Sprintf(eos(bp), " (%d)", obj->spe);
 344                 break;
 345         case RING_SYM:
 346                 if (obj->owornmask & W_RINGR)
 347                         Strcat(bp, " (on right hand)");
 348                 if (obj->owornmask & W_RINGL)
 349                         Strcat(bp, " (on left hand)");
 350                 if (obj->known && (objects[obj->otyp].bits & SPEC)) {
 351                         Strcat(prefix, sitoa(obj->spe));
 352                         Strcat(prefix, " ");
 353                 }
 354                 break;
 355         }
 356         if (obj->owornmask & W_WEP)
 357                 Strcat(bp, " (weapon in hand)");
 358         if (obj->unpaid)
 359                 Strcat(bp, " (unpaid)");
 360         if (!strcmp(prefix, "a ") && strchr(vowels, *bp))
 361                 Strcpy(prefix, "an ");
 362         bp = strprepend(bp, prefix);
 363         return (bp);
 364 }
 365
 366 /* used only in hack.fight.c (thitu) */
 367 void
 368 setan(const char *str, char *buf)
 369 {
 370         if (strchr(vowels, *str))
 371                 Sprintf(buf, "an %s", str);
 372         else
 373                 Sprintf(buf, "a %s", str);
 374 }
 375
 376 char           *
 377 aobjnam(otmp, verb)
 378         struct obj     *otmp;
 379         const char           *verb;
 380 {
 381         char           *bp = xname(otmp);
 382         char            prefix[PREFIX];
 383         if (otmp->quan != 1) {
 384                 Sprintf(prefix, "%u ", otmp->quan);
 385                 bp = strprepend(bp, prefix);
 386         }
 387         if (verb) {
 388                 /* verb is given in plural (i.e., without trailing s) */
 389                 Strcat(bp, " ");
 390                 if (otmp->quan != 1)
 391                         Strcat(bp, verb);
 392                 else if (!strcmp(verb, "are"))
 393                         Strcat(bp, "is");
 394                 else {
 395                         Strcat(bp, verb);
 396                         Strcat(bp, "s");
 397                 }
 398         }
 399         return (bp);
 400 }
 401
 402 char           *
 403 Doname(obj)
 404         struct obj     *obj;
 405 {
 406         char           *s = doname(obj);
 407
 408         if ('a' <= *s && *s <= 'z')
 409                 *s -= ('a' - 'A');
 410         return (s);
 411 }
 412
 413 const char *const wrp[] = {"wand", "ring", "potion", "scroll", "gem"};
 414 const char wrpsym[] = {WAND_SYM, RING_SYM, POTION_SYM, SCROLL_SYM, GEM_SYM};
 415
 416 struct obj     *
 417 readobjnam(bp)
 418         char           *bp;
 419 {
 420         char           *p;
 421         int             i;
 422         int             cnt, spe, spesgn, typ, heavy;
 423         char            let;
 424         char           *un, *dn, *an;
 425         /* int the = 0; char *oname = 0; */
 426         cnt = spe = spesgn = typ = heavy = 0;
 427         let = 0;
 428         an = dn = un = 0;
 429         for (p = bp; *p; p++)
 430                 if ('A' <= *p && *p <= 'Z')
 431                         *p += 'a' - 'A';
 432         if (!strncmp(bp, "the ", 4)) {
 433                 /* the = 1; */
 434                 bp += 4;
 435         } else if (!strncmp(bp, "an ", 3)) {
 436                 cnt = 1;
 437                 bp += 3;
 438         } else if (!strncmp(bp, "a ", 2)) {
 439                 cnt = 1;
 440                 bp += 2;
 441         }
 442         if (!cnt && digit(*bp)) {
 443                 cnt = atoi(bp);
 444                 while (digit(*bp))
 445                         bp++;
 446                 while (*bp == ' ')
 447                         bp++;
 448         }
 449         if (!cnt)
 450                 cnt = 1;        /* %% what with "gems" etc. ? */
 451
 452         if (*bp == '+' || *bp == '-') {
 453                 spesgn = (*bp++ == '+') ? 1 : -1;
 454                 spe = atoi(bp);
 455                 while (digit(*bp))
 456                         bp++;
 457                 while (*bp == ' ')
 458                         bp++;
 459         } else {
 460                 p = strrchr(bp, '(');
 461                 if (p) {
 462                         if (p > bp && p[-1] == ' ')
 463                                 p[-1] = 0;
 464                         else
 465                                 *p = 0;
 466                         p++;
 467                         spe = atoi(p);
 468                         while (digit(*p))
 469                                 p++;
 470                         if (strcmp(p, ")"))
 471                                 spe = 0;
 472                         else
 473                                 spesgn = 1;
 474                 }
 475         }
 476         /*
 477          * now we have the actual name, as delivered by xname, say green
 478          * potions called whisky scrolls labeled "QWERTY" egg dead zruties
 479          * fortune cookies very heavy iron ball named hoei wand of wishing
 480          * elven cloak
 481          */
 482         for (p = bp; *p; p++)
 483                 if (!strncmp(p, " named ", 7)) {
 484                         *p = 0;
 485                         /* oname = p+7; */
 486                 }
 487         for (p = bp; *p; p++)
 488                 if (!strncmp(p, " called ", 8)) {
 489                         *p = 0;
 490                         un = p + 8;
 491                 }
 492         for (p = bp; *p; p++)
 493                 if (!strncmp(p, " labeled ", 9)) {
 494                         *p = 0;
 495                         dn = p + 9;
 496                 }
 497         /* first change to singular if necessary */
 498         if (cnt != 1) {
 499                 /* find "cloves of garlic", "worthless pieces of blue glass" */
 500                 for (p = bp; *p; p++)
 501                         if (!strncmp(p, "s of ", 5)) {
 502                                 while ((*p = p[1]) != '\0')
 503                                         p++;
 504                                 goto sing;
 505                         }
 506                 /* remove -s or -es (boxes) or -ies (rubies, zruties) */
 507                 p = eos(bp);
 508                 if (p[-1] == 's') {
 509                         if (p[-2] == 'e') {
 510                                 if (p[-3] == 'i') {
 511                                         if (!strcmp(p - 7, "cookies"))
 512                                                 goto mins;
 513                                         Strcpy(p - 3, "y");
 514                                         goto sing;
 515                                 }
 516                                 /* note: cloves / knives from clove / knife */
 517                                 if (!strcmp(p - 6, "knives")) {
 518                                         Strcpy(p - 3, "fe");
 519                                         goto sing;
 520                                 }
 521                                 /* note: nurses, axes but boxes */
 522                                 if (!strcmp(p - 5, "boxes")) {
 523                                         p[-2] = 0;
 524                                         goto sing;
 525                                 }
 526                         }
 527         mins:
 528                         p[-1] = 0;
 529                 } else {
 530                         if (!strcmp(p - 9, "homunculi")) {
 531                                 Strcpy(p - 1, "us");    /* !! makes string
 532                                                          * longer */
 533                                 goto sing;
 534                         }
 535                         if (!strcmp(p - 5, "teeth")) {
 536                                 Strcpy(p - 5, "tooth");
 537                                 goto sing;
 538                         }
 539                         /* here we cannot find the plural suffix */
 540                 }
 541         }
 542 sing:
 543         if (!strcmp(bp, "amulet of yendor")) {
 544                 typ = AMULET_OF_YENDOR;
 545                 goto typfnd;
 546         }
 547         p = eos(bp);
 548         if (!strcmp(p - 5, " mail")) {  /* Note: ring mail is not a ring ! */
 549                 let = ARMOR_SYM;
 550                 an = bp;
 551                 goto srch;
 552         }
 553         for (i = 0; i < sizeof(wrpsym); i++) {
 554                 int             j = strlen(wrp[i]);
 555                 if (!strncmp(bp, wrp[i], j)) {
 556                         let = wrpsym[i];
 557                         bp += j;
 558                         if (!strncmp(bp, " of ", 4))
 559                                 an = bp + 4;
 560                         /* else if(*bp) ?? */
 561                         goto srch;
 562                 }
 563                 if (!strcmp(p - j, wrp[i])) {
 564                         let = wrpsym[i];
 565                         p -= j;
 566                         *p = 0;
 567                         if (p[-1] == ' ')
 568                                 p[-1] = 0;
 569                         dn = bp;
 570                         goto srch;
 571                 }
 572         }
 573         if (!strcmp(p - 6, " stone")) {
 574                 p[-6] = 0;
 575                 let = GEM_SYM;
 576                 an = bp;
 577                 goto srch;
 578         }
 579         if (!strcmp(bp, "very heavy iron ball")) {
 580                 heavy = 1;
 581                 typ = HEAVY_IRON_BALL;
 582                 goto typfnd;
 583         }
 584         an = bp;
 585 srch:
 586         if (!an && !dn && !un)
 587                 goto any;
 588         i = 1;
 589         if (let)
 590                 i = bases[letindex(let)];
 591         while (i <= NROFOBJECTS && (!let || objects[i].oc_olet == let)) {
 592                 const char           *zn = objects[i].oc_name;
 593
 594                 if (!zn)
 595                         goto nxti;
 596                 if (an && strcmp(an, zn))
 597                         goto nxti;
 598                 if (dn && (!(zn = objects[i].oc_descr) || strcmp(dn, zn)))
 599                         goto nxti;
 600                 if (un && (!(zn = objects[i].oc_uname) || strcmp(un, zn)))
 601                         goto nxti;
 602                 typ = i;
 603                 goto typfnd;
 604 nxti:
 605                 i++;
 606         }
 607 any:
 608         if (!let)
 609                 let = wrpsym[rn2(sizeof(wrpsym))];
 610         typ = probtype(let);
 611 typfnd:
 612         {
 613                 struct obj     *otmp;
 614                 let = objects[typ].oc_olet;
 615                 otmp = mksobj(typ);
 616                 if (heavy)
 617                         otmp->owt += 15;
 618                 if (cnt > 0 && strchr("%?!*)", let) &&
 619                 (cnt < 4 || (let == WEAPON_SYM && typ <= ROCK && cnt < 20)))
 620                         otmp->quan = cnt;
 621
 622                 if (spe > 3 && spe > otmp->spe)
 623                         spe = 0;
 624                 else if (let == WAND_SYM)
 625                         spe = otmp->spe;
 626                 if (spe == 3 && u.uluck < 0)
 627                         spesgn = -1;
 628                 if (let != WAND_SYM && spesgn == -1)
 629                         spe = -spe;
 630                 if (let == BALL_SYM)
 631                         spe = 0;
 632                 else if (let == AMULET_SYM)
 633                         spe = -1;
 634                 else if (typ == WAN_WISHING && rn2(10))
 635                         spe = (rn2(10) ? -1 : 0);
 636                 otmp->spe = spe;
 637
 638                 if (spesgn == -1)
 639                         otmp->cursed = 1;
 640
 641                 return (otmp);
 642         }
 643 }