hack/hack.eat.c

   1 /*      $NetBSD: hack.eat.c,v 1.8 2009/06/07 20:13:18 dholland 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.eat.c,v 1.8 2009/06/07 20:13:18 dholland Exp $");
  67 #endif                          /* not lint */
  68
  69 #include "hack.h"
  70 #include "extern.h"
  71 char            POISONOUS[] = "ADKSVabhks";
  72
  73 /* hunger texts used on bottom line (each 8 chars long) */
  74 #define SATIATED        0
  75 #define NOT_HUNGRY      1
  76 #define HUNGRY          2
  77 #define WEAK            3
  78 #define FAINTING        4
  79 #define FAINTED         5
  80 #define STARVED         6
  81
  82 const char           *const hu_stat[] = {
  83         "Satiated",
  84         "        ",
  85         "Hungry  ",
  86         "Weak    ",
  87         "Fainting",
  88         "Fainted ",
  89         "Starved "
  90 };
  91
  92 void
  93 init_uhunger(void)
  94 {
  95         u.uhunger = 900;
  96         u.uhs = NOT_HUNGRY;
  97 }
  98
  99 #define TTSZ    SIZE(tintxts)
 100 const struct {
 101         const char           *txt;
 102         int             nut;
 103 }               tintxts[] = {
 104         { "It contains first quality peaches - what a surprise!", 40 },
 105         { "It contains salmon - not bad!", 60 },
 106         { "It contains apple juice - perhaps not what you hoped for.", 20 },
 107         { "It contains some nondescript substance, tasting awfully.", 500 },
 108         { "It contains rotten meat. You vomit.", -50 },
 109         { "It turns out to be empty.", 0 }
 110 };
 111
 112 static struct {
 113         struct obj     *tin;
 114         int             usedtime, reqtime;
 115 }               tin;
 116
 117 int
 118 opentin(void)
 119 {
 120         int             r;
 121
 122         if (!carried(tin.tin))  /* perhaps it was stolen? */
 123                 return (0);     /* %% probably we should use tinoid */
 124         if (tin.usedtime++ >= 50) {
 125                 pline("You give up your attempt to open the tin.");
 126                 return (0);
 127         }
 128         if (tin.usedtime < tin.reqtime)
 129                 return (1);     /* still busy */
 130
 131         pline("You succeed in opening the tin.");
 132         useup(tin.tin);
 133         r = rn2(2 * TTSZ);
 134         if (r < TTSZ) {
 135                 pline(tintxts[r].txt);
 136                 lesshungry(tintxts[r].nut);
 137                 if (r == 1) {   /* SALMON */
 138                         Glib = rnd(15);
 139                         pline("Eating salmon made your fingers very slippery.");
 140                 }
 141         } else {
 142                 pline("It contains spinach - this makes you feel like Popeye!");
 143                 lesshungry(600);
 144                 if (u.ustr < 118)
 145                         u.ustr += rnd(((u.ustr < 17) ? 19 : 118) - u.ustr);
 146                 if (u.ustr > u.ustrmax)
 147                         u.ustrmax = u.ustr;
 148                 flags.botl = 1;
 149         }
 150         return (0);
 151 }
 152
 153 int
 154 Meatdone(void)
 155 {
 156         u.usym = '@';
 157         prme();
 158         return 0;
 159 }
 160
 161 int
 162 doeat(void)
 163 {
 164         struct obj     *otmp;
 165         struct objclass *ftmp;
 166         int tmp;
 167
 168         /* Is there some food (probably a heavy corpse) here on the ground? */
 169         if (!Levitation)
 170                 for (otmp = fobj; otmp; otmp = otmp->nobj) {
 171                         if (otmp->ox == u.ux && otmp->oy == u.uy &&
 172                             otmp->olet == FOOD_SYM) {
 173                                 pline("There %s %s here; eat %s? [ny] ",
 174                                       (otmp->quan == 1) ? "is" : "are",
 175                                       doname(otmp),
 176                                       (otmp->quan == 1) ? "it" : "one");
 177                                 if (readchar() == 'y') {
 178                                         if (otmp->quan != 1)
 179                                                 (void) splitobj(otmp, 1);
 180                                         freeobj(otmp);
 181                                         otmp = addinv(otmp);
 182                                         addtobill(otmp);
 183                                         goto gotit;
 184                                 }
 185                         }
 186                 }
 187         otmp = getobj("%", "eat");
 188         if (!otmp)
 189                 return (0);
 190 gotit:
 191         if (otmp->otyp == TIN) {
 192                 if (uwep) {
 193                         switch (uwep->otyp) {
 194                         case CAN_OPENER:
 195                                 tmp = 1;
 196                                 break;
 197                         case DAGGER:
 198                         case CRYSKNIFE:
 199                                 tmp = 3;
 200                                 break;
 201                         case PICK_AXE:
 202                         case AXE:
 203                                 tmp = 6;
 204                                 break;
 205                         default:
 206                                 goto no_opener;
 207                         }
 208                         pline("Using your %s you try to open the tin.",
 209                               aobjnam(uwep, (char *) 0));
 210                 } else {
 211         no_opener:
 212                         pline("It is not so easy to open this tin.");
 213                         if (Glib) {
 214                                 pline("The tin slips out of your hands.");
 215                                 if (otmp->quan > 1) {
 216                                         struct obj     *obj;
 217
 218                                         obj = splitobj(otmp, 1);
 219                                         if (otmp == uwep)
 220                                                 setuwep(obj);
 221                                 }
 222                                 dropx(otmp);
 223                                 return (1);
 224                         }
 225                         tmp = 10 + rn2(1 + 500 / ((int) (u.ulevel + u.ustr)));
 226                 }
 227                 tin.reqtime = tmp;
 228                 tin.usedtime = 0;
 229                 tin.tin = otmp;
 230                 occupation = opentin;
 231                 occtxt = "opening the tin";
 232                 return (1);
 233         }
 234         ftmp = &objects[otmp->otyp];
 235         multi = -ftmp->oc_delay;
 236         if (otmp->otyp >= CORPSE && eatcorpse(otmp))
 237                 goto eatx;
 238         if (!rn2(7) && otmp->otyp != FORTUNE_COOKIE) {
 239                 pline("Blecch!  Rotten food!");
 240                 if (!rn2(4)) {
 241                         pline("You feel rather light headed.");
 242                         Confusion += d(2, 4);
 243                 } else if (!rn2(4) && !Blind) {
 244                         pline("Everything suddenly goes dark.");
 245                         Blind = d(2, 10);
 246                         seeoff(0);
 247                 } else if (!rn2(3)) {
 248                         if (Blind)
 249                                 pline("The world spins and you slap against the floor.");
 250                         else
 251                                 pline("The world spins and goes dark.");
 252                         nomul(-rnd(10));
 253                         nomovemsg = "You are conscious again.";
 254                 }
 255                 lesshungry(ftmp->nutrition / 4);
 256         } else {
 257                 if (u.uhunger >= 1500) {
 258                         pline("You choke over your food.");
 259                         pline("You die...");
 260                         killer = ftmp->oc_name;
 261                         done("choked");
 262                 }
 263                 switch (otmp->otyp) {
 264                 case FOOD_RATION:
 265                         if (u.uhunger <= 200)
 266                                 pline("That food really hit the spot!");
 267                         else if (u.uhunger <= 700)
 268                                 pline("That satiated your stomach!");
 269                         else {
 270                                 pline("You're having a hard time getting all that food down.");
 271                                 multi -= 2;
 272                         }
 273                         lesshungry(ftmp->nutrition);
 274                         if (multi < 0)
 275                                 nomovemsg = "You finished your meal.";
 276                         break;
 277                 case TRIPE_RATION:
 278                         pline("Yak - dog food!");
 279                         more_experienced(1, 0);
 280                         flags.botl = 1;
 281                         if (rn2(2)) {
 282                                 pline("You vomit.");
 283                                 morehungry(20);
 284                                 if (Sick) {
 285                                         Sick = 0;       /* David Neves */
 286                                         pline("What a relief!");
 287                                 }
 288                         } else
 289                                 lesshungry(ftmp->nutrition);
 290                         break;
 291                 default:
 292                         if (otmp->otyp >= CORPSE)
 293                                 pline("That %s tasted terrible!", ftmp->oc_name);
 294                         else
 295                                 pline("That %s was delicious!", ftmp->oc_name);
 296                         lesshungry(ftmp->nutrition);
 297                         if (otmp->otyp == DEAD_LIZARD && (Confusion > 2))
 298                                 Confusion = 2;
 299                         else
 300 #ifdef QUEST
 301                         if (otmp->otyp == CARROT && !Blind) {
 302                                 u.uhorizon++;
 303                                 setsee();
 304                                 pline("Your vision improves.");
 305                         } else
 306 #endif  /* QUEST */
 307                         if (otmp->otyp == FORTUNE_COOKIE) {
 308                                 if (Blind) {
 309                                         pline("This cookie has a scrap of paper inside!");
 310                                         pline("What a pity, that you cannot read it!");
 311                                 } else
 312                                         outrumor();
 313                         } else if (otmp->otyp == LUMP_OF_ROYAL_JELLY) {
 314                                 /* This stuff seems to be VERY healthy! */
 315                                 if (u.ustrmax < 118)
 316                                         u.ustrmax++;
 317                                 if (u.ustr < u.ustrmax)
 318                                         u.ustr++;
 319                                 u.uhp += rnd(20);
 320                                 if (u.uhp > u.uhpmax) {
 321                                         if (!rn2(17))
 322                                                 u.uhpmax++;
 323                                         u.uhp = u.uhpmax;
 324                                 }
 325                                 heal_legs();
 326                         }
 327                         break;
 328                 }
 329         }
 330 eatx:
 331         if (multi < 0 && !nomovemsg) {
 332                 static char     msgbuf[BUFSZ];
 333                 (void) snprintf(msgbuf, sizeof(msgbuf),
 334                                "You finished eating the %s.",
 335                                ftmp->oc_name);
 336                 nomovemsg = msgbuf;
 337         }
 338         useup(otmp);
 339         return (1);
 340 }
 341
 342 /* called in hack.main.c */
 343 void
 344 gethungry(void)
 345 {
 346         --u.uhunger;
 347         if (moves % 2) {
 348                 if (Regeneration)
 349                         u.uhunger--;
 350                 if (Hunger)
 351                         u.uhunger--;
 352                 /*
 353                  * a3:  if(Hunger & LEFT_RING) u.uhunger--; if(Hunger &
 354                  * RIGHT_RING) u.uhunger--; etc.
 355                  */
 356         }
 357         if (moves % 20 == 0) {  /* jimt@asgb */
 358                 if (uleft)
 359                         u.uhunger--;
 360                 if (uright)
 361                         u.uhunger--;
 362         }
 363         newuhs(TRUE);
 364 }
 365
 366 /* called after vomiting and after performing feats of magic */
 367 void
 368 morehungry(int num)
 369 {
 370         u.uhunger -= num;
 371         newuhs(TRUE);
 372 }
 373
 374 /* called after eating something (and after drinking fruit juice) */
 375 void
 376 lesshungry(int num)
 377 {
 378         u.uhunger += num;
 379         newuhs(FALSE);
 380 }
 381
 382 int
 383 unfaint(void)
 384 {
 385         u.uhs = FAINTING;
 386         flags.botl = 1;
 387         return 0;
 388 }
 389
 390 void
 391 newuhs(boolean incr)
 392 {
 393         int             newhs, h = u.uhunger;
 394
 395         newhs = (h > 1000) ? SATIATED :
 396                 (h > 150) ? NOT_HUNGRY :
 397                 (h > 50) ? HUNGRY :
 398                 (h > 0) ? WEAK : FAINTING;
 399
 400         if (newhs == FAINTING) {
 401                 if (u.uhs == FAINTED)
 402                         newhs = FAINTED;
 403                 if (u.uhs <= WEAK || rn2(20 - u.uhunger / 10) >= 19) {
 404                         if (u.uhs != FAINTED && multi >= 0 /* %% */ ) {
 405                                 pline("You faint from lack of food.");
 406                                 nomul(-10 + (u.uhunger / 10));
 407                                 nomovemsg = "You regain consciousness.";
 408                                 afternmv = unfaint;
 409                                 newhs = FAINTED;
 410                         }
 411                 } else if (u.uhunger < -(int) (200 + 25 * u.ulevel)) {
 412                         u.uhs = STARVED;
 413                         flags.botl = 1;
 414                         bot();
 415                         pline("You die from starvation.");
 416                         done("starved");
 417                 }
 418         }
 419         if (newhs != u.uhs) {
 420                 if (newhs >= WEAK && u.uhs < WEAK)
 421                         losestr(1);     /* this may kill you -- see below */
 422                 else if (newhs < WEAK && u.uhs >= WEAK && u.ustr < u.ustrmax)
 423                         losestr(-1);
 424                 switch (newhs) {
 425                 case HUNGRY:
 426                         pline((!incr) ? "You only feel hungry now." :
 427                               (u.uhunger < 145) ? "You feel hungry." :
 428                               "You are beginning to feel hungry.");
 429                         break;
 430                 case WEAK:
 431                         pline((!incr) ? "You feel weak now." :
 432                               (u.uhunger < 45) ? "You feel weak." :
 433                               "You are beginning to feel weak.");
 434                         break;
 435                 }
 436                 u.uhs = newhs;
 437                 flags.botl = 1;
 438                 if (u.uhp < 1) {
 439                         pline("You die from hunger and exhaustion.");
 440                         killer = "exhaustion";
 441                         done("starved");
 442                 }
 443         }
 444 }
 445
 446 #define CORPSE_I_TO_C(otyp)     (char) ((otyp >= DEAD_ACID_BLOB)\
 447                      ?  'a' + (otyp - DEAD_ACID_BLOB)\
 448                      :  '@' + (otyp - DEAD_HUMAN))
 449 int
 450 poisonous(struct obj *otmp)
 451 {
 452         return (strchr(POISONOUS, CORPSE_I_TO_C(otmp->otyp)) != 0);
 453 }
 454
 455 /* returns 1 if some text was printed */
 456 int
 457 eatcorpse(struct obj *otmp)
 458 {
 459         char            let = CORPSE_I_TO_C(otmp->otyp);
 460         int             tp = 0;
 461         if (let != 'a' && moves > otmp->age + 50 + rn2(100)) {
 462                 tp++;
 463                 pline("Ulch -- that meat was tainted!");
 464                 pline("You get very sick.");
 465                 Sick = 10 + rn2(10);
 466                 u.usick_cause = objects[otmp->otyp].oc_name;
 467         } else if (strchr(POISONOUS, let) && rn2(5)) {
 468                 tp++;
 469                 pline("Ecch -- that must have been poisonous!");
 470                 if (!Poison_resistance) {
 471                         losestr(rnd(4));
 472                         losehp(rnd(15), "poisonous corpse");
 473                 } else
 474                         pline("You don't seem affected by the poison.");
 475         } else if (strchr("ELNOPQRUuxz", let) && rn2(5)) {
 476                 tp++;
 477                 pline("You feel sick.");
 478                 losehp(rnd(8), "cadaver");
 479         }
 480         switch (let) {
 481         case 'L':
 482         case 'N':
 483         case 't':
 484                 Teleportation |= INTRINSIC;
 485                 break;
 486         case 'W':
 487                 pluslvl();
 488                 break;
 489         case 'n':
 490                 u.uhp = u.uhpmax;
 491                 flags.botl = 1;
 492                 /* fall into next case */
 493         case '@':
 494                 pline("You cannibal! You will be sorry for this!");
 495                 /* not tp++; */
 496                 /* fall into next case */
 497         case 'd':
 498                 Aggravate_monster |= INTRINSIC;
 499                 break;
 500         case 'I':
 501                 if (!Invis) {
 502                         Invis = 50 + rn2(100);
 503                         if (!See_invisible)
 504                                 newsym(u.ux, u.uy);
 505                 } else {
 506                         Invis |= INTRINSIC;
 507                         See_invisible |= INTRINSIC;
 508                 }
 509                 /* fall into next case */
 510         case 'y':
 511 #ifdef QUEST
 512                 u.uhorizon++;
 513 #endif  /* QUEST */
 514                 /* fall into next case */
 515         case 'B':
 516                 Confusion = 50;
 517                 break;
 518         case 'D':
 519                 Fire_resistance |= INTRINSIC;
 520                 break;
 521         case 'E':
 522                 Telepat |= INTRINSIC;
 523                 break;
 524         case 'F':
 525         case 'Y':
 526                 Cold_resistance |= INTRINSIC;
 527                 break;
 528         case 'k':
 529         case 's':
 530                 Poison_resistance |= INTRINSIC;
 531                 break;
 532         case 'c':
 533                 pline("You turn to stone.");
 534                 killer = "dead cockatrice";
 535                 done("died");
 536                 /* NOTREACHED */
 537         case 'a':
 538                 if (Stoned) {
 539                         pline("What a pity - you just destroyed a future piece of art!");
 540                         tp++;
 541                         Stoned = 0;
 542                 }
 543                 break;
 544         case 'M':
 545                 pline("You cannot resist the temptation to mimic a treasure chest.");
 546                 tp++;
 547                 nomul(-30);
 548                 afternmv = Meatdone;
 549                 nomovemsg = "You now again prefer mimicking a human.";
 550                 u.usym = '$';
 551                 prme();
 552                 break;
 553         }
 554         return (tp);
 555 }