hack/hack.apply.c

   1 /*      $NetBSD: hack.apply.c,v 1.5 1997/10/19 16:57:32 christos Exp $  */
   2
   3 /*
   4  * Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985.
   5  */
   6
   7 #include <sys/cdefs.h>
   8 #ifndef lint
   9 __RCSID("$NetBSD: hack.apply.c,v 1.5 1997/10/19 16:57:32 christos Exp $");
  10 #endif                          /* not lint */
  11
  12 #include        "hack.h"
  13 #include        "extern.h"
  14 #include        "def.edog.h"
  15 #include        "def.mkroom.h"
  16
  17 static void use_camera __P((struct obj *));
  18 static int in_ice_box __P((struct obj *));
  19 static int ck_ice_box __P((struct obj *));
  20 static int out_ice_box __P((struct obj *));
  21 static void use_ice_box __P((struct obj *));
  22 static struct monst *bchit __P((int, int , int , int));
  23 static void use_whistle __P((struct obj *));
  24 static void use_magic_whistle __P((struct obj *));
  25 static int dig __P((void));
  26 static int use_pick_axe __P((struct obj *));
  27
  28 int
  29 doapply()
  30 {
  31         struct obj *obj;
  32         int    res = 1;
  33
  34         obj = getobj("(", "use or apply");
  35         if (!obj)
  36                 return (0);
  37
  38         switch (obj->otyp) {
  39         case EXPENSIVE_CAMERA:
  40                 use_camera(obj);
  41                 break;
  42         case ICE_BOX:
  43                 use_ice_box(obj);
  44                 break;
  45         case PICK_AXE:
  46                 res = use_pick_axe(obj);
  47                 break;
  48
  49         case MAGIC_WHISTLE:
  50                 if (pl_character[0] == 'W' || u.ulevel > 9) {
  51                         use_magic_whistle(obj);
  52                         break;
  53                 }
  54                 /* fall into next case */
  55         case WHISTLE:
  56                 use_whistle(obj);
  57                 break;
  58
  59         case CAN_OPENER:
  60                 if (!carrying(TIN)) {
  61                         pline("You have no can to open.");
  62                         goto xit;
  63                 }
  64                 pline("You cannot open a tin without eating its contents.");
  65                 pline("In order to eat, use the 'e' command.");
  66                 if (obj != uwep)
  67                         pline("Opening the tin will be much easier if you wield the can-opener.");
  68                 goto xit;
  69
  70         default:
  71                 pline("Sorry, I don't know how to use that.");
  72 xit:
  73                 nomul(0);
  74                 return (0);
  75         }
  76         nomul(0);
  77         return (res);
  78 }
  79
  80 /* ARGSUSED */
  81 static void
  82 use_camera(obj) /* */
  83         struct obj     *obj;
  84 {
  85         struct monst *mtmp;
  86         if (!getdir(1)) {       /* ask: in what direction? */
  87                 flags.move = multi = 0;
  88                 return;
  89         }
  90         if (u.uswallow) {
  91                 pline("You take a picture of %s's stomach.", monnam(u.ustuck));
  92                 return;
  93         }
  94         if (u.dz) {
  95                 pline("You take a picture of the %s.",
  96                       (u.dz > 0) ? "floor" : "ceiling");
  97                 return;
  98         }
  99         if ((mtmp = bchit(u.dx, u.dy, COLNO, '!')) != NULL) {
 100                 if (mtmp->msleep) {
 101                         mtmp->msleep = 0;
 102                         pline("The flash awakens %s.", monnam(mtmp));   /* a3 */
 103                 } else if (mtmp->data->mlet != 'y')
 104                         if (mtmp->mcansee || mtmp->mblinded) {
 105                                 int    tmp = dist(mtmp->mx, mtmp->my);
 106                                 int    tmp2;
 107                                 if (cansee(mtmp->mx, mtmp->my))
 108                                         pline("%s is blinded by the flash!", Monnam(mtmp));
 109                                 setmangry(mtmp);
 110                                 if (tmp < 9 && !mtmp->isshk && rn2(4)) {
 111                                         mtmp->mflee = 1;
 112                                         if (rn2(4))
 113                                                 mtmp->mfleetim = rnd(100);
 114                                 }
 115                                 if (tmp < 3)
 116                                         mtmp->mcansee = mtmp->mblinded = 0;
 117                                 else {
 118                                         tmp2 = mtmp->mblinded;
 119                                         tmp2 += rnd(1 + 50 / tmp);
 120                                         if (tmp2 > 127)
 121                                                 tmp2 = 127;
 122                                         mtmp->mblinded = tmp2;
 123                                         mtmp->mcansee = 0;
 124                                 }
 125                         }
 126         }
 127 }
 128
 129 static
 130 struct obj     *current_ice_box;/* a local variable of use_ice_box, to be
 131                                  * used by its local procedures in/ck_ice_box */
 132 static int
 133 in_ice_box(obj)
 134         struct obj *obj;
 135 {
 136         if (obj == current_ice_box ||
 137             (Punished && (obj == uball || obj == uchain))) {
 138                 pline("You must be kidding.");
 139                 return (0);
 140         }
 141         if (obj->owornmask & (W_ARMOR | W_RING)) {
 142                 pline("You cannot refrigerate something you are wearing.");
 143                 return (0);
 144         }
 145         if (obj->owt + current_ice_box->owt > 70) {
 146                 pline("It won't fit.");
 147                 return (1);     /* be careful! */
 148         }
 149         if (obj == uwep) {
 150                 if (uwep->cursed) {
 151                         pline("Your weapon is welded to your hand!");
 152                         return (0);
 153                 }
 154                 setuwep((struct obj *) 0);
 155         }
 156         current_ice_box->owt += obj->owt;
 157         freeinv(obj);
 158         obj->o_cnt_id = current_ice_box->o_id;
 159         obj->nobj = fcobj;
 160         fcobj = obj;
 161         obj->age = moves - obj->age;    /* actual age */
 162         return (1);
 163 }
 164
 165 static int
 166 ck_ice_box(obj)
 167         struct obj *obj;
 168 {
 169         return (obj->o_cnt_id == current_ice_box->o_id);
 170 }
 171
 172 static int
 173 out_ice_box(obj)
 174         struct obj *obj;
 175 {
 176         struct obj *otmp;
 177         if (obj == fcobj)
 178                 fcobj = fcobj->nobj;
 179         else {
 180                 for (otmp = fcobj; otmp->nobj != obj; otmp = otmp->nobj)
 181                         if (!otmp->nobj)
 182                                 panic("out_ice_box");
 183                 otmp->nobj = obj->nobj;
 184         }
 185         current_ice_box->owt -= obj->owt;
 186         obj->age = moves - obj->age;    /* simulated point of time */
 187         (void) addinv(obj);
 188         return 0;
 189 }
 190
 191 static void
 192 use_ice_box(obj)
 193         struct obj *obj;
 194 {
 195         int    cnt = 0;
 196         struct obj *otmp;
 197         current_ice_box = obj;  /* for use by in/out_ice_box */
 198         for (otmp = fcobj; otmp; otmp = otmp->nobj)
 199                 if (otmp->o_cnt_id == obj->o_id)
 200                         cnt++;
 201         if (!cnt)
 202                 pline("Your ice-box is empty.");
 203         else {
 204                 pline("Do you want to take something out of the ice-box? [yn] ");
 205                 if (readchar() == 'y')
 206                         if (askchain(fcobj, (char *) 0, 0, out_ice_box, ck_ice_box, 0))
 207                                 return;
 208                 pline("That was all. Do you wish to put something in? [yn] ");
 209                 if (readchar() != 'y')
 210                         return;
 211         }
 212         /* call getobj: 0: allow cnt; #: allow all types; %: expect food */
 213         otmp = getobj("0#%", "put in");
 214         if (!otmp || !in_ice_box(otmp))
 215                 flags.move = multi = 0;
 216 }
 217
 218 static struct monst *
 219 bchit(ddx, ddy, range, sym)
 220         int    ddx, ddy, range;
 221         char            sym;
 222 {
 223         struct monst *mtmp = (struct monst *) 0;
 224         int    bchx = u.ux, bchy = u.uy;
 225
 226         if (sym)
 227                 Tmp_at(-1, sym);/* open call */
 228         while (range--) {
 229                 bchx += ddx;
 230                 bchy += ddy;
 231                 if ((mtmp = m_at(bchx, bchy)) != NULL)
 232                         break;
 233                 if (!ZAP_POS(levl[bchx][bchy].typ)) {
 234                         bchx -= ddx;
 235                         bchy -= ddy;
 236                         break;
 237                 }
 238                 if (sym)
 239                         Tmp_at(bchx, bchy);
 240         }
 241         if (sym)
 242                 Tmp_at(-1, -1);
 243         return (mtmp);
 244 }
 245
 246 /* ARGSUSED */
 247 static void
 248 use_whistle(obj)
 249         struct obj     *obj;
 250 {
 251         struct monst *mtmp = fmon;
 252         pline("You produce a high whistling sound.");
 253         while (mtmp) {
 254                 if (dist(mtmp->mx, mtmp->my) < u.ulevel * 20) {
 255                         if (mtmp->msleep)
 256                                 mtmp->msleep = 0;
 257                         if (mtmp->mtame)
 258                                 EDOG(mtmp)->whistletime = moves;
 259                 }
 260                 mtmp = mtmp->nmon;
 261         }
 262 }
 263
 264 /* ARGSUSED */
 265 static void
 266 use_magic_whistle(obj)
 267         struct obj     *obj;
 268 {
 269         struct monst *mtmp = fmon;
 270         pline("You produce a strange whistling sound.");
 271         while (mtmp) {
 272                 if (mtmp->mtame)
 273                         mnexto(mtmp);
 274                 mtmp = mtmp->nmon;
 275         }
 276 }
 277
 278 static int      dig_effort;     /* effort expended on current pos */
 279 static uchar    dig_level;
 280 static coord    dig_pos;
 281 static boolean  dig_down;
 282
 283 static int
 284 dig()
 285 {
 286         struct rm *lev;
 287         int dpx = dig_pos.x, dpy = dig_pos.y;
 288
 289         /* perhaps a nymph stole his pick-axe while he was busy digging */
 290         /* or perhaps he teleported away */
 291         if (u.uswallow || !uwep || uwep->otyp != PICK_AXE ||
 292             dig_level != dlevel ||
 293             ((dig_down && (dpx != u.ux || dpy != u.uy)) ||
 294              (!dig_down && dist(dpx, dpy) > 2)))
 295                 return (0);
 296
 297         dig_effort += 10 + abon() + uwep->spe + rn2(5);
 298         if (dig_down) {
 299                 if (!xdnstair) {
 300                         pline("The floor here seems too hard to dig in.");
 301                         return (0);
 302                 }
 303                 if (dig_effort > 250) {
 304                         dighole();
 305                         return (0);     /* done with digging */
 306                 }
 307                 if (dig_effort > 50) {
 308                         struct trap *ttmp = t_at(dpx, dpy);
 309
 310                         if (!ttmp) {
 311                                 ttmp = maketrap(dpx, dpy, PIT);
 312                                 ttmp->tseen = 1;
 313                                 pline("You have dug a pit.");
 314                                 u.utrap = rn1(4, 2);
 315                                 u.utraptype = TT_PIT;
 316                                 return (0);
 317                         }
 318                 }
 319         } else if (dig_effort > 100) {
 320                 char  *digtxt;
 321                 struct obj *obj;
 322
 323                 lev = &levl[dpx][dpy];
 324                 if ((obj = sobj_at(ENORMOUS_ROCK, dpx, dpy)) != NULL) {
 325                         fracture_rock(obj);
 326                         digtxt = "The rock falls apart.";
 327                 } else if (!lev->typ || lev->typ == SCORR) {
 328                         lev->typ = CORR;
 329                         digtxt = "You succeeded in cutting away some rock.";
 330                 } else if (lev->typ == HWALL || lev->typ == VWALL
 331                            || lev->typ == SDOOR) {
 332                         lev->typ = xdnstair ? DOOR : ROOM;
 333                         digtxt = "You just made an opening in the wall.";
 334                 } else
 335                         digtxt = "Now what exactly was it that you were digging in?";
 336                 mnewsym(dpx, dpy);
 337                 prl(dpx, dpy);
 338                 pline(digtxt);  /* after mnewsym & prl */
 339                 return (0);
 340         } else {
 341                 if (IS_WALL(levl[dpx][dpy].typ)) {
 342                         int    rno = inroom(dpx, dpy);
 343
 344                         if (rno >= 0 && rooms[rno].rtype >= 8) {
 345                                 pline("This wall seems too hard to dig into.");
 346                                 return (0);
 347                         }
 348                 }
 349                 pline("You hit the rock with all your might.");
 350         }
 351         return (1);
 352 }
 353
 354 /* When will hole be finished? Very rough indication used by shopkeeper. */
 355 int
 356 holetime()
 357 {
 358         return ((occupation == dig) ? (250 - dig_effort) / 20 : -1);
 359 }
 360
 361 void
 362 dighole()
 363 {
 364         struct trap *ttmp = t_at(u.ux, u.uy);
 365
 366         if (!xdnstair) {
 367                 pline("The floor here seems too hard to dig in.");
 368         } else {
 369                 if (ttmp)
 370                         ttmp->ttyp = TRAPDOOR;
 371                 else
 372                         ttmp = maketrap(u.ux, u.uy, TRAPDOOR);
 373                 ttmp->tseen = 1;
 374                 pline("You've made a hole in the floor.");
 375                 if (!u.ustuck) {
 376                         if (inshop())
 377                                 shopdig(1);
 378                         pline("You fall through ...");
 379                         if (u.utraptype == TT_PIT) {
 380                                 u.utrap = 0;
 381                                 u.utraptype = 0;
 382                         }
 383                         goto_level(dlevel + 1, FALSE);
 384                 }
 385         }
 386 }
 387
 388 static int
 389 use_pick_axe(obj)
 390         struct obj     *obj;
 391 {
 392         char            dirsyms[12];
 393         char  *dsp = dirsyms, *sdp = sdir;
 394         struct monst *mtmp;
 395         struct rm *lev;
 396         int    rx, ry, res = 0;
 397
 398         if (obj != uwep) {
 399                 if (uwep && uwep->cursed) {
 400                         /* Andreas Bormann - ihnp4!decvax!mcvax!unido!ab */
 401                         pline("Since your weapon is welded to your hand,");
 402                         pline("you cannot use that pick-axe.");
 403                         return (0);
 404                 }
 405                 pline("You now wield %s.", doname(obj));
 406                 setuwep(obj);
 407                 res = 1;
 408         }
 409         while (*sdp) {
 410                 (void) movecmd(*sdp);   /* sets u.dx and u.dy and u.dz */
 411                 rx = u.ux + u.dx;
 412                 ry = u.uy + u.dy;
 413                 if (u.dz > 0 || (u.dz == 0 && isok(rx, ry) &&
 414                                  (IS_ROCK(levl[rx][ry].typ)
 415                                   || sobj_at(ENORMOUS_ROCK, rx, ry))))
 416                         *dsp++ = *sdp;
 417                 sdp++;
 418         }
 419         *dsp = 0;
 420         pline("In what direction do you want to dig? [%s] ", dirsyms);
 421         if (!getdir(0))         /* no txt */
 422                 return (res);
 423         if (u.uswallow && attack(u.ustuck))     /* return(1) */
 424                 ;
 425         else if (u.dz < 0)
 426                 pline("You cannot reach the ceiling.");
 427         else if (u.dz == 0) {
 428                 if (Confusion)
 429                         confdir();
 430                 rx = u.ux + u.dx;
 431                 ry = u.uy + u.dy;
 432                 if ((mtmp = m_at(rx, ry)) && attack(mtmp))
 433                         return (1);
 434                 if (!isok(rx, ry)) {
 435                         pline("Clash!");
 436                         return (1);
 437                 }
 438                 lev = &levl[rx][ry];
 439                 if (lev->typ == DOOR)
 440                         pline("Your %s against the door.",
 441                               aobjnam(obj, "clang"));
 442                 else if (!IS_ROCK(lev->typ)
 443                          && !sobj_at(ENORMOUS_ROCK, rx, ry)) {
 444                         /* ACCESSIBLE or POOL */
 445                         pline("You swing your %s through thin air.",
 446                               aobjnam(obj, (char *) 0));
 447                 } else {
 448                         if (dig_pos.x != rx || dig_pos.y != ry
 449                             || dig_level != dlevel || dig_down) {
 450                                 dig_down = FALSE;
 451                                 dig_pos.x = rx;
 452                                 dig_pos.y = ry;
 453                                 dig_level = dlevel;
 454                                 dig_effort = 0;
 455                                 pline("You start digging.");
 456                         } else
 457                                 pline("You continue digging.");
 458                         occupation = dig;
 459                         occtxt = "digging";
 460                 }
 461         } else if (Levitation) {
 462                 pline("You cannot reach the floor.");
 463         } else {
 464                 if (dig_pos.x != u.ux || dig_pos.y != u.uy
 465                     || dig_level != dlevel || !dig_down) {
 466                         dig_down = TRUE;
 467                         dig_pos.x = u.ux;
 468                         dig_pos.y = u.uy;
 469                         dig_level = dlevel;
 470                         dig_effort = 0;
 471                         pline("You start digging in the floor.");
 472                         if (inshop())
 473                                 shopdig(0);
 474                 } else
 475                         pline("You continue digging in the floor.");
 476                 occupation = dig;
 477                 occtxt = "digging";
 478         }
 479         return (1);
 480 }