hack/hack.apply.c

   1 /*      $NetBSD: hack.apply.c,v 1.7 2003/04/02 18:36:35 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.apply.c,v 1.7 2003/04/02 18:36:35 jsm Exp $");
  67 #endif                          /* not lint */
  68
  69 #include        "hack.h"
  70 #include        "extern.h"
  71 #include        "def.edog.h"
  72 #include        "def.mkroom.h"
  73
  74 static void use_camera __P((struct obj *));
  75 static int in_ice_box __P((struct obj *));
  76 static int ck_ice_box __P((struct obj *));
  77 static int out_ice_box __P((struct obj *));
  78 static void use_ice_box __P((struct obj *));
  79 static struct monst *bchit __P((int, int , int , int));
  80 static void use_whistle __P((struct obj *));
  81 static void use_magic_whistle __P((struct obj *));
  82 static int dig __P((void));
  83 static int use_pick_axe __P((struct obj *));
  84
  85 int
  86 doapply()
  87 {
  88         struct obj *obj;
  89         int    res = 1;
  90
  91         obj = getobj("(", "use or apply");
  92         if (!obj)
  93                 return (0);
  94
  95         switch (obj->otyp) {
  96         case EXPENSIVE_CAMERA:
  97                 use_camera(obj);
  98                 break;
  99         case ICE_BOX:
 100                 use_ice_box(obj);
 101                 break;
 102         case PICK_AXE:
 103                 res = use_pick_axe(obj);
 104                 break;
 105
 106         case MAGIC_WHISTLE:
 107                 if (pl_character[0] == 'W' || u.ulevel > 9) {
 108                         use_magic_whistle(obj);
 109                         break;
 110                 }
 111                 /* fall into next case */
 112         case WHISTLE:
 113                 use_whistle(obj);
 114                 break;
 115
 116         case CAN_OPENER:
 117                 if (!carrying(TIN)) {
 118                         pline("You have no can to open.");
 119                         goto xit;
 120                 }
 121                 pline("You cannot open a tin without eating its contents.");
 122                 pline("In order to eat, use the 'e' command.");
 123                 if (obj != uwep)
 124                         pline("Opening the tin will be much easier if you wield the can-opener.");
 125                 goto xit;
 126
 127         default:
 128                 pline("Sorry, I don't know how to use that.");
 129 xit:
 130                 nomul(0);
 131                 return (0);
 132         }
 133         nomul(0);
 134         return (res);
 135 }
 136
 137 /* ARGSUSED */
 138 static void
 139 use_camera(obj) /* */
 140         struct obj     *obj __attribute__((__unused__));
 141 {
 142         struct monst *mtmp;
 143         if (!getdir(1)) {       /* ask: in what direction? */
 144                 flags.move = multi = 0;
 145                 return;
 146         }
 147         if (u.uswallow) {
 148                 pline("You take a picture of %s's stomach.", monnam(u.ustuck));
 149                 return;
 150         }
 151         if (u.dz) {
 152                 pline("You take a picture of the %s.",
 153                       (u.dz > 0) ? "floor" : "ceiling");
 154                 return;
 155         }
 156         if ((mtmp = bchit(u.dx, u.dy, COLNO, '!')) != NULL) {
 157                 if (mtmp->msleep) {
 158                         mtmp->msleep = 0;
 159                         pline("The flash awakens %s.", monnam(mtmp));   /* a3 */
 160                 } else if (mtmp->data->mlet != 'y')
 161                         if (mtmp->mcansee || mtmp->mblinded) {
 162                                 int    tmp = dist(mtmp->mx, mtmp->my);
 163                                 int    tmp2;
 164                                 if (cansee(mtmp->mx, mtmp->my))
 165                                         pline("%s is blinded by the flash!", Monnam(mtmp));
 166                                 setmangry(mtmp);
 167                                 if (tmp < 9 && !mtmp->isshk && rn2(4)) {
 168                                         mtmp->mflee = 1;
 169                                         if (rn2(4))
 170                                                 mtmp->mfleetim = rnd(100);
 171                                 }
 172                                 if (tmp < 3)
 173                                         mtmp->mcansee = mtmp->mblinded = 0;
 174                                 else {
 175                                         tmp2 = mtmp->mblinded;
 176                                         tmp2 += rnd(1 + 50 / tmp);
 177                                         if (tmp2 > 127)
 178                                                 tmp2 = 127;
 179                                         mtmp->mblinded = tmp2;
 180                                         mtmp->mcansee = 0;
 181                                 }
 182                         }
 183         }
 184 }
 185
 186 static
 187 struct obj     *current_ice_box;/* a local variable of use_ice_box, to be
 188                                  * used by its local procedures in/ck_ice_box */
 189 static int
 190 in_ice_box(obj)
 191         struct obj *obj;
 192 {
 193         if (obj == current_ice_box ||
 194             (Punished && (obj == uball || obj == uchain))) {
 195                 pline("You must be kidding.");
 196                 return (0);
 197         }
 198         if (obj->owornmask & (W_ARMOR | W_RING)) {
 199                 pline("You cannot refrigerate something you are wearing.");
 200                 return (0);
 201         }
 202         if (obj->owt + current_ice_box->owt > 70) {
 203                 pline("It won't fit.");
 204                 return (1);     /* be careful! */
 205         }
 206         if (obj == uwep) {
 207                 if (uwep->cursed) {
 208                         pline("Your weapon is welded to your hand!");
 209                         return (0);
 210                 }
 211                 setuwep((struct obj *) 0);
 212         }
 213         current_ice_box->owt += obj->owt;
 214         freeinv(obj);
 215         obj->o_cnt_id = current_ice_box->o_id;
 216         obj->nobj = fcobj;
 217         fcobj = obj;
 218         obj->age = moves - obj->age;    /* actual age */
 219         return (1);
 220 }
 221
 222 static int
 223 ck_ice_box(obj)
 224         struct obj *obj;
 225 {
 226         return (obj->o_cnt_id == current_ice_box->o_id);
 227 }
 228
 229 static int
 230 out_ice_box(obj)
 231         struct obj *obj;
 232 {
 233         struct obj *otmp;
 234         if (obj == fcobj)
 235                 fcobj = fcobj->nobj;
 236         else {
 237                 for (otmp = fcobj; otmp->nobj != obj; otmp = otmp->nobj)
 238                         if (!otmp->nobj)
 239                                 panic("out_ice_box");
 240                 otmp->nobj = obj->nobj;
 241         }
 242         current_ice_box->owt -= obj->owt;
 243         obj->age = moves - obj->age;    /* simulated point of time */
 244         (void) addinv(obj);
 245         return 0;
 246 }
 247
 248 static void
 249 use_ice_box(obj)
 250         struct obj *obj;
 251 {
 252         int    cnt = 0;
 253         struct obj *otmp;
 254         current_ice_box = obj;  /* for use by in/out_ice_box */
 255         for (otmp = fcobj; otmp; otmp = otmp->nobj)
 256                 if (otmp->o_cnt_id == obj->o_id)
 257                         cnt++;
 258         if (!cnt)
 259                 pline("Your ice-box is empty.");
 260         else {
 261                 pline("Do you want to take something out of the ice-box? [yn] ");
 262                 if (readchar() == 'y')
 263                         if (askchain(fcobj, (char *) 0, 0, out_ice_box, ck_ice_box, 0))
 264                                 return;
 265                 pline("That was all. Do you wish to put something in? [yn] ");
 266                 if (readchar() != 'y')
 267                         return;
 268         }
 269         /* call getobj: 0: allow cnt; #: allow all types; %: expect food */
 270         otmp = getobj("0#%", "put in");
 271         if (!otmp || !in_ice_box(otmp))
 272                 flags.move = multi = 0;
 273 }
 274
 275 static struct monst *
 276 bchit(ddx, ddy, range, sym)
 277         int    ddx, ddy, range;
 278         char            sym;
 279 {
 280         struct monst *mtmp = (struct monst *) 0;
 281         int    bchx = u.ux, bchy = u.uy;
 282
 283         if (sym)
 284                 Tmp_at(-1, sym);/* open call */
 285         while (range--) {
 286                 bchx += ddx;
 287                 bchy += ddy;
 288                 if ((mtmp = m_at(bchx, bchy)) != NULL)
 289                         break;
 290                 if (!ZAP_POS(levl[bchx][bchy].typ)) {
 291                         bchx -= ddx;
 292                         bchy -= ddy;
 293                         break;
 294                 }
 295                 if (sym)
 296                         Tmp_at(bchx, bchy);
 297         }
 298         if (sym)
 299                 Tmp_at(-1, -1);
 300         return (mtmp);
 301 }
 302
 303 /* ARGSUSED */
 304 static void
 305 use_whistle(obj)
 306         struct obj     *obj __attribute__((__unused__));
 307 {
 308         struct monst *mtmp = fmon;
 309         pline("You produce a high whistling sound.");
 310         while (mtmp) {
 311                 if (dist(mtmp->mx, mtmp->my) < u.ulevel * 20) {
 312                         if (mtmp->msleep)
 313                                 mtmp->msleep = 0;
 314                         if (mtmp->mtame)
 315                                 EDOG(mtmp)->whistletime = moves;
 316                 }
 317                 mtmp = mtmp->nmon;
 318         }
 319 }
 320
 321 /* ARGSUSED */
 322 static void
 323 use_magic_whistle(obj)
 324         struct obj     *obj __attribute__((__unused__));
 325 {
 326         struct monst *mtmp = fmon;
 327         pline("You produce a strange whistling sound.");
 328         while (mtmp) {
 329                 if (mtmp->mtame)
 330                         mnexto(mtmp);
 331                 mtmp = mtmp->nmon;
 332         }
 333 }
 334
 335 static int      dig_effort;     /* effort expended on current pos */
 336 static uchar    dig_level;
 337 static coord    dig_pos;
 338 static boolean  dig_down;
 339
 340 static int
 341 dig()
 342 {
 343         struct rm *lev;
 344         int dpx = dig_pos.x, dpy = dig_pos.y;
 345
 346         /* perhaps a nymph stole his pick-axe while he was busy digging */
 347         /* or perhaps he teleported away */
 348         if (u.uswallow || !uwep || uwep->otyp != PICK_AXE ||
 349             dig_level != dlevel ||
 350             ((dig_down && (dpx != u.ux || dpy != u.uy)) ||
 351              (!dig_down && dist(dpx, dpy) > 2)))
 352                 return (0);
 353
 354         dig_effort += 10 + abon() + uwep->spe + rn2(5);
 355         if (dig_down) {
 356                 if (!xdnstair) {
 357                         pline("The floor here seems too hard to dig in.");
 358                         return (0);
 359                 }
 360                 if (dig_effort > 250) {
 361                         dighole();
 362                         return (0);     /* done with digging */
 363                 }
 364                 if (dig_effort > 50) {
 365                         struct trap *ttmp = t_at(dpx, dpy);
 366
 367                         if (!ttmp) {
 368                                 ttmp = maketrap(dpx, dpy, PIT);
 369                                 ttmp->tseen = 1;
 370                                 pline("You have dug a pit.");
 371                                 u.utrap = rn1(4, 2);
 372                                 u.utraptype = TT_PIT;
 373                                 return (0);
 374                         }
 375                 }
 376         } else if (dig_effort > 100) {
 377                 const char  *digtxt;
 378                 struct obj *obj;
 379
 380                 lev = &levl[dpx][dpy];
 381                 if ((obj = sobj_at(ENORMOUS_ROCK, dpx, dpy)) != NULL) {
 382                         fracture_rock(obj);
 383                         digtxt = "The rock falls apart.";
 384                 } else if (!lev->typ || lev->typ == SCORR) {
 385                         lev->typ = CORR;
 386                         digtxt = "You succeeded in cutting away some rock.";
 387                 } else if (lev->typ == HWALL || lev->typ == VWALL
 388                            || lev->typ == SDOOR) {
 389                         lev->typ = xdnstair ? DOOR : ROOM;
 390                         digtxt = "You just made an opening in the wall.";
 391                 } else
 392                         digtxt = "Now what exactly was it that you were digging in?";
 393                 mnewsym(dpx, dpy);
 394                 prl(dpx, dpy);
 395                 pline(digtxt);  /* after mnewsym & prl */
 396                 return (0);
 397         } else {
 398                 if (IS_WALL(levl[dpx][dpy].typ)) {
 399                         int    rno = inroom(dpx, dpy);
 400
 401                         if (rno >= 0 && rooms[rno].rtype >= 8) {
 402                                 pline("This wall seems too hard to dig into.");
 403                                 return (0);
 404                         }
 405                 }
 406                 pline("You hit the rock with all your might.");
 407         }
 408         return (1);
 409 }
 410
 411 /* When will hole be finished? Very rough indication used by shopkeeper. */
 412 int
 413 holetime()
 414 {
 415         return ((occupation == dig) ? (250 - dig_effort) / 20 : -1);
 416 }
 417
 418 void
 419 dighole()
 420 {
 421         struct trap *ttmp = t_at(u.ux, u.uy);
 422
 423         if (!xdnstair) {
 424                 pline("The floor here seems too hard to dig in.");
 425         } else {
 426                 if (ttmp)
 427                         ttmp->ttyp = TRAPDOOR;
 428                 else
 429                         ttmp = maketrap(u.ux, u.uy, TRAPDOOR);
 430                 ttmp->tseen = 1;
 431                 pline("You've made a hole in the floor.");
 432                 if (!u.ustuck) {
 433                         if (inshop())
 434                                 shopdig(1);
 435                         pline("You fall through ...");
 436                         if (u.utraptype == TT_PIT) {
 437                                 u.utrap = 0;
 438                                 u.utraptype = 0;
 439                         }
 440                         goto_level(dlevel + 1, FALSE);
 441                 }
 442         }
 443 }
 444
 445 static int
 446 use_pick_axe(obj)
 447         struct obj     *obj;
 448 {
 449         char            dirsyms[12];
 450         char  *dsp = dirsyms, *sdp = sdir;
 451         struct monst *mtmp;
 452         struct rm *lev;
 453         int    rx, ry, res = 0;
 454
 455         if (obj != uwep) {
 456                 if (uwep && uwep->cursed) {
 457                         /* Andreas Bormann - ihnp4!decvax!mcvax!unido!ab */
 458                         pline("Since your weapon is welded to your hand,");
 459                         pline("you cannot use that pick-axe.");
 460                         return (0);
 461                 }
 462                 pline("You now wield %s.", doname(obj));
 463                 setuwep(obj);
 464                 res = 1;
 465         }
 466         while (*sdp) {
 467                 (void) movecmd(*sdp);   /* sets u.dx and u.dy and u.dz */
 468                 rx = u.ux + u.dx;
 469                 ry = u.uy + u.dy;
 470                 if (u.dz > 0 || (u.dz == 0 && isok(rx, ry) &&
 471                                  (IS_ROCK(levl[rx][ry].typ)
 472                                   || sobj_at(ENORMOUS_ROCK, rx, ry))))
 473                         *dsp++ = *sdp;
 474                 sdp++;
 475         }
 476         *dsp = 0;
 477         pline("In what direction do you want to dig? [%s] ", dirsyms);
 478         if (!getdir(0))         /* no txt */
 479                 return (res);
 480         if (u.uswallow && attack(u.ustuck))     /* return(1) */
 481                 ;
 482         else if (u.dz < 0)
 483                 pline("You cannot reach the ceiling.");
 484         else if (u.dz == 0) {
 485                 if (Confusion)
 486                         confdir();
 487                 rx = u.ux + u.dx;
 488                 ry = u.uy + u.dy;
 489                 if ((mtmp = m_at(rx, ry)) && attack(mtmp))
 490                         return (1);
 491                 if (!isok(rx, ry)) {
 492                         pline("Clash!");
 493                         return (1);
 494                 }
 495                 lev = &levl[rx][ry];
 496                 if (lev->typ == DOOR)
 497                         pline("Your %s against the door.",
 498                               aobjnam(obj, "clang"));
 499                 else if (!IS_ROCK(lev->typ)
 500                          && !sobj_at(ENORMOUS_ROCK, rx, ry)) {
 501                         /* ACCESSIBLE or POOL */
 502                         pline("You swing your %s through thin air.",
 503                               aobjnam(obj, (char *) 0));
 504                 } else {
 505                         if (dig_pos.x != rx || dig_pos.y != ry
 506                             || dig_level != dlevel || dig_down) {
 507                                 dig_down = FALSE;
 508                                 dig_pos.x = rx;
 509                                 dig_pos.y = ry;
 510                                 dig_level = dlevel;
 511                                 dig_effort = 0;
 512                                 pline("You start digging.");
 513                         } else
 514                                 pline("You continue digging.");
 515                         occupation = dig;
 516                         occtxt = "digging";
 517                 }
 518         } else if (Levitation) {
 519                 pline("You cannot reach the floor.");
 520         } else {
 521                 if (dig_pos.x != u.ux || dig_pos.y != u.uy
 522                     || dig_level != dlevel || !dig_down) {
 523                         dig_down = TRUE;
 524                         dig_pos.x = u.ux;
 525                         dig_pos.y = u.uy;
 526                         dig_level = dlevel;
 527                         dig_effort = 0;
 528                         pline("You start digging in the floor.");
 529                         if (inshop())
 530                                 shopdig(0);
 531                 } else
 532                         pline("You continue digging in the floor.");
 533                 occupation = dig;
 534                 occtxt = "digging";
 535         }
 536         return (1);
 537 }