games/hack/hack.apply.c

   1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
   2 /* hack.apply.c - version 1.0.3 */
   3 /* $FreeBSD: src/games/hack/hack.apply.c,v 1.4.2.1 2001/02/18 02:20:07 kris Exp $ */
   4
   5 #include "hack.h"
   6 #include "def.edog.h"
   7 extern char quitchars[];
   8
   9 static void              use_camera(struct obj *);
  10 static bool              in_ice_box(struct obj *);
  11 static bool              ck_ice_box(struct obj *);
  12 static int               out_ice_box(struct obj *);
  13 static void              use_ice_box(struct obj *);
  14 static struct monst     *bchit(int, int, int, char);
  15 static void              use_whistle(struct obj *);
  16 static void              use_magic_whistle(struct obj *);
  17 static bool              dig(void);
  18 static int               use_pick_axe(struct obj *);
  19
  20 int
  21 doapply(void)
  22 {
  23         struct obj *obj;
  24         int res = 1;
  25
  26         obj = getobj("(", "use or apply");
  27         if (!obj)
  28                 return (0);
  29
  30         switch (obj->otyp) {
  31         case EXPENSIVE_CAMERA:
  32                 use_camera(obj);
  33                 break;
  34         case ICE_BOX:
  35                 use_ice_box(obj);
  36                 break;
  37         case PICK_AXE:
  38                 res = use_pick_axe(obj);
  39                 break;
  40
  41         case MAGIC_WHISTLE:
  42                 if (pl_character[0] == 'W' || u.ulevel > 9) {
  43                         use_magic_whistle(obj);
  44                         break;
  45                 }
  46                 /* FALLTHROUGH */
  47         case WHISTLE:
  48                 use_whistle(obj);
  49                 break;
  50
  51         case CAN_OPENER:
  52                 if (!carrying(TIN)) {
  53                         pline("You have no can to open.");
  54                         goto xit;
  55                 }
  56                 pline("You cannot open a tin without eating its contents.");
  57                 pline("In order to eat, use the 'e' command.");
  58                 if (obj != uwep)
  59                         pline("Opening the tin will be much easier if you wield the can-opener.");
  60                 goto xit;
  61
  62         default:
  63                 pline("Sorry, I don't know how to use that.");
  64 xit:
  65                 nomul(0);
  66                 return (0);
  67         }
  68         nomul(0);
  69         return (res);
  70 }
  71
  72 static void
  73 use_camera(struct obj *obj __unused)
  74 {
  75         struct monst *mtmp;
  76
  77         if (!getdir(1)) {       /* ask: in what direction? */
  78                 flags.move = multi = 0;
  79                 return;
  80         }
  81         if (u.uswallow) {
  82                 pline("You take a picture of %s's stomach.", monnam(u.ustuck));
  83                 return;
  84         }
  85         if (u.dz) {
  86                 pline("You take a picture of the %s.",
  87                     (u.dz > 0) ? "floor" : "ceiling");
  88                 return;
  89         }
  90         if ((mtmp = bchit(u.dx, u.dy, COLNO, '!')) != NULL) {
  91                 if (mtmp->msleep) {
  92                         mtmp->msleep = 0;
  93                         pline("The flash awakens %s.", monnam(mtmp));   /* a3 */
  94                 } else if (mtmp->data->mlet != 'y')
  95                         if (mtmp->mcansee || mtmp->mblinded) {
  96                                 int tmp = dist(mtmp->mx, mtmp->my);
  97                                 int tmp2;
  98                                 if (cansee(mtmp->mx, mtmp->my))
  99                                         pline("%s is blinded by the flash!", Monnam(mtmp));
 100                                 setmangry(mtmp);
 101                                 if (tmp < 9 && !mtmp->isshk && rn2(4)) {
 102                                         mtmp->mflee = 1;
 103                                         if (rn2(4))
 104                                                 mtmp->mfleetim = rnd(100);
 105                                 }
 106                                 if (tmp < 3)
 107                                         mtmp->mcansee = mtmp->mblinded = 0;
 108                                 else {
 109                                         tmp2 = mtmp->mblinded;
 110                                         tmp2 += rnd(1 + 50 / tmp);
 111                                         if (tmp2 > 127)
 112                                                 tmp2 = 127;
 113                                         mtmp->mblinded = tmp2;
 114                                         mtmp->mcansee = 0;
 115                                 }
 116                         }
 117         }
 118 }
 119
 120 static
 121 struct obj *current_ice_box;    /* a local variable of use_ice_box, to be
 122                                 used by its local procedures in/ck_ice_box */
 123 static bool
 124 in_ice_box(struct obj *obj)
 125 {
 126         if (obj == current_ice_box ||
 127             (Punished && (obj == uball || obj == uchain))) {
 128                 pline("You must be kidding.");
 129                 return (0);
 130         }
 131         if (obj->owornmask & (W_ARMOR | W_RING)) {
 132                 pline("You cannot refrigerate something you are wearing.");
 133                 return (0);
 134         }
 135         if (obj->owt + current_ice_box->owt > 70) {
 136                 pline("It won't fit.");
 137                 return (1);     /* be careful! */
 138         }
 139         if (obj == uwep) {
 140                 if (uwep->cursed) {
 141                         pline("Your weapon is welded to your hand!");
 142                         return (0);
 143                 }
 144                 setuwep(NULL);
 145         }
 146         current_ice_box->owt += obj->owt;
 147         freeinv(obj);
 148         obj->o_cnt_id = current_ice_box->o_id;
 149         obj->nobj = fcobj;
 150         fcobj = obj;
 151         obj->age = moves - obj->age;    /* actual age */
 152         return (1);
 153 }
 154
 155 static bool
 156 ck_ice_box(struct obj *obj)
 157 {
 158         return (obj->o_cnt_id == current_ice_box->o_id);
 159 }
 160
 161 static int
 162 out_ice_box(struct obj *obj)
 163 {
 164         struct obj *otmp;
 165
 166         if (obj == fcobj)
 167                 fcobj = fcobj->nobj;
 168         else {
 169                 for (otmp = fcobj; otmp->nobj != obj; otmp = otmp->nobj)
 170                         if (!otmp->nobj)
 171                                 panic("out_ice_box");
 172                 otmp->nobj = obj->nobj;
 173         }
 174         current_ice_box->owt -= obj->owt;
 175         obj->age = moves - obj->age;    /* simulated point of time */
 176         addinv(obj);
 177         return (0);
 178 }
 179
 180 static void
 181 use_ice_box(struct obj *obj)
 182 {
 183         int cnt = 0;
 184         struct obj *otmp;
 185
 186         current_ice_box = obj;  /* for use by in/out_ice_box */
 187         for (otmp = fcobj; otmp; otmp = otmp->nobj)
 188                 if (otmp->o_cnt_id == obj->o_id)
 189                         cnt++;
 190         if (!cnt)
 191                 pline("Your ice-box is empty.");
 192         else {
 193                 pline("Do you want to take something out of the ice-box? [yn] ");
 194                 if (readchar() == 'y')
 195                         if (askchain(fcobj, NULL, 0, out_ice_box, ck_ice_box, 0))
 196                                 return;
 197                 pline("That was all. Do you wish to put something in? [yn] ");
 198                 if (readchar() != 'y')
 199                         return;
 200         }
 201         /* call getobj: 0: allow cnt; #: allow all types; %: expect food */
 202         otmp = getobj("0#%", "put in");
 203         if (!otmp || !in_ice_box(otmp))
 204                 flags.move = multi = 0;
 205 }
 206
 207 static
 208 struct monst *
 209 bchit(int ddx, int ddy, int range, char sym)
 210 {
 211         struct monst *mtmp = NULL;
 212         int bchx = u.ux, bchy = u.uy;
 213
 214         if (sym)
 215                 Tmp_at(-1, sym);        /* open call */
 216         while (range--) {
 217                 bchx += ddx;
 218                 bchy += ddy;
 219                 if ((mtmp = m_at(bchx, bchy)))
 220                         break;
 221                 if (!ZAP_POS(levl[bchx][bchy].typ)) {
 222                         bchx -= ddx;
 223                         bchy -= ddy;
 224                         break;
 225                 }
 226                 if (sym)
 227                         Tmp_at(bchx, bchy);
 228         }
 229         if (sym)
 230                 Tmp_at(-1, -1);
 231         return (mtmp);
 232 }
 233
 234 static void
 235 use_whistle(struct obj *obj __unused)
 236 {
 237         struct monst *mtmp = fmon;
 238
 239         pline("You produce a high whistling sound.");
 240         while (mtmp) {
 241                 if (dist(mtmp->mx, mtmp->my) < u.ulevel * 20) {
 242                         if (mtmp->msleep)
 243                                 mtmp->msleep = 0;
 244                         if (mtmp->mtame)
 245                                 EDOG(mtmp)->whistletime = moves;
 246                 }
 247                 mtmp = mtmp->nmon;
 248         }
 249 }
 250
 251 static void
 252 use_magic_whistle(struct obj *obj __unused)
 253 {
 254         struct monst *mtmp = fmon;
 255
 256         pline("You produce a strange whistling sound.");
 257         while (mtmp) {
 258                 if (mtmp->mtame)
 259                         mnexto(mtmp);
 260                 mtmp = mtmp->nmon;
 261         }
 262 }
 263
 264 static int dig_effort;  /* effort expended on current pos */
 265 static uchar dig_level;
 266 static coord dig_pos;
 267 static boolean dig_down;
 268
 269 static
 270 bool
 271 dig(void)
 272 {
 273         struct rm *lev;
 274         int dpx = dig_pos.x, dpy = dig_pos.y;
 275
 276         /* perhaps a nymph stole his pick-axe while he was busy digging */
 277         /* or perhaps he teleported away */
 278         if (u.uswallow || !uwep || uwep->otyp != PICK_AXE ||
 279             dig_level != dlevel ||
 280             ((dig_down && (dpx != u.ux || dpy != u.uy)) ||
 281              (!dig_down && dist(dpx, dpy) > 2)))
 282                 return (0);
 283
 284         dig_effort += 10 + abon() + uwep->spe + rn2(5);
 285         if (dig_down) {
 286                 if (!xdnstair) {
 287                         pline("The floor here seems too hard to dig in.");
 288                         return (0);
 289                 }
 290                 if (dig_effort > 250) {
 291                         dighole();
 292                         return (0);     /* done with digging */
 293                 }
 294                 if (dig_effort > 50) {
 295                         struct trap *ttmp = t_at(dpx, dpy);
 296
 297                         if (!ttmp) {
 298                                 ttmp = maketrap(dpx, dpy, PIT);
 299                                 ttmp->tseen = 1;
 300                                 pline("You have dug a pit.");
 301                                 u.utrap = rn1(4, 2);
 302                                 u.utraptype = TT_PIT;
 303                                 return (0);
 304                         }
 305                 }
 306         } else if (dig_effort > 100) {
 307                 const char *digtxt;
 308                 struct obj *obj;
 309
 310                 lev = &levl[dpx][dpy];
 311                 if ((obj = sobj_at(ENORMOUS_ROCK, dpx, dpy)) != NULL) {
 312                         fracture_rock(obj);
 313                         digtxt = "The rock falls apart.";
 314                 } else if (!lev->typ || lev->typ == SCORR) {
 315                         lev->typ = CORR;
 316                         digtxt = "You succeeded in cutting away some rock.";
 317                 } else if (lev->typ == HWALL || lev->typ == VWALL
 318                     || lev->typ == SDOOR) {
 319                         lev->typ = xdnstair ? DOOR : ROOM;
 320                         digtxt = "You just made an opening in the wall.";
 321                 } else
 322                         digtxt = "Now what exactly was it that you were digging in?";
 323                 mnewsym(dpx, dpy);
 324                 prl(dpx, dpy);
 325                 pline("%s", digtxt);    /* after mnewsym & prl */
 326                 return (0);
 327         } else {
 328                 if (IS_WALL(levl[dpx][dpy].typ)) {
 329                         int rno = inroom(dpx, dpy);
 330
 331                         if (rno >= 0 && rooms[rno].rtype >= 8) {
 332                                 pline("This wall seems too hard to dig into.");
 333                                 return (0);
 334                         }
 335                 }
 336                 pline("You hit the rock with all your might.");
 337         }
 338         return (1);
 339 }
 340
 341 /* When will hole be finished? Very rough indication used by shopkeeper. */
 342 int
 343 holetime(void)
 344 {
 345         return ((occupation == dig) ? (250 - dig_effort) / 20 : -1);
 346 }
 347
 348 void
 349 dighole(void)
 350 {
 351         struct trap *ttmp = t_at(u.ux, u.uy);
 352
 353         if (!xdnstair) {
 354                 pline("The floor here seems too hard to dig in.");
 355         } else {
 356                 if (ttmp)
 357                         ttmp->ttyp = TRAPDOOR;
 358                 else
 359                         ttmp = maketrap(u.ux, u.uy, TRAPDOOR);
 360                 ttmp->tseen = 1;
 361                 pline("You've made a hole in the floor.");
 362                 if (!u.ustuck) {
 363                         if (inshop())
 364                                 shopdig(1);
 365                         pline("You fall through ...");
 366                         if (u.utraptype == TT_PIT) {
 367                                 u.utrap = 0;
 368                                 u.utraptype = 0;
 369                         }
 370                         goto_level(dlevel + 1, FALSE);
 371                 }
 372         }
 373 }
 374
 375 static int
 376 use_pick_axe(struct obj *obj)
 377 {
 378         char dirsyms[12];
 379         char *dsp = dirsyms, *sdp = sdir;
 380         struct monst *mtmp;
 381         struct rm *lev;
 382         int rx, ry, res = 0;
 383
 384         if (obj != uwep) {
 385                 if (uwep && uwep->cursed) {
 386                         /* Andreas Bormann - ihnp4!decvax!mcvax!unido!ab */
 387                         pline("Since your weapon is welded to your hand,");
 388                         pline("you cannot use that pick-axe.");
 389                         return (0);
 390                 }
 391                 pline("You now wield %s.", doname(obj));
 392                 setuwep(obj);
 393                 res = 1;
 394         }
 395         while (*sdp) {
 396                 movecmd(*sdp);  /* sets u.dx and u.dy and u.dz */
 397                 rx = u.ux + u.dx;
 398                 ry = u.uy + u.dy;
 399                 if (u.dz > 0 || (u.dz == 0 && isok(rx, ry) &&
 400                     (IS_ROCK(levl[rx][ry].typ)
 401                     || sobj_at(ENORMOUS_ROCK, rx, ry))))
 402                         *dsp++ = *sdp;
 403                 sdp++;
 404         }
 405         *dsp = 0;
 406         pline("In what direction do you want to dig? [%s] ", dirsyms);
 407         if (!getdir(0))         /* no txt */
 408                 return (res);
 409         if (u.uswallow && attack(u.ustuck))     /* return(1) */
 410                 ;
 411         else if (u.dz < 0)
 412                 pline("You cannot reach the ceiling.");
 413         else if (u.dz == 0) {
 414                 if (Confusion)
 415                         confdir();
 416                 rx = u.ux + u.dx;
 417                 ry = u.uy + u.dy;
 418                 if ((mtmp = m_at(rx, ry)) && attack(mtmp))
 419                         return (1);
 420                 if (!isok(rx, ry)) {
 421                         pline("Clash!");
 422                         return (1);
 423                 }
 424                 lev = &levl[rx][ry];
 425                 if (lev->typ == DOOR)
 426                         pline("Your %s against the door.",
 427                             aobjnam(obj, "clang"));
 428                 else if (!IS_ROCK(lev->typ)
 429                     && !sobj_at(ENORMOUS_ROCK, rx, ry)) {
 430                         /* ACCESSIBLE or POOL */
 431                         pline("You swing your %s through thin air.",
 432                             aobjnam(obj, NULL));
 433                 } else {
 434                         if (dig_pos.x != rx || dig_pos.y != ry
 435                             || dig_level != dlevel || dig_down) {
 436                                 dig_down = FALSE;
 437                                 dig_pos.x = rx;
 438                                 dig_pos.y = ry;
 439                                 dig_level = dlevel;
 440                                 dig_effort = 0;
 441                                 pline("You start digging.");
 442                         } else
 443                                 pline("You continue digging.");
 444                         occupation = dig;
 445                         occtxt = "digging";
 446                 }
 447         } else if (Levitation) {
 448                 pline("You cannot reach the floor.");
 449         } else {
 450                 if (dig_pos.x != u.ux || dig_pos.y != u.uy
 451                     || dig_level != dlevel || !dig_down) {
 452                         dig_down = TRUE;
 453                         dig_pos.x = u.ux;
 454                         dig_pos.y = u.uy;
 455                         dig_level = dlevel;
 456                         dig_effort = 0;
 457                         pline("You start digging in the floor.");
 458                         if (inshop())
 459                                 shopdig(0);
 460                 } else
 461                         pline("You continue digging in the floor.");
 462                 occupation = dig;
 463                 occtxt = "digging";
 464         }
 465         return (1);
 466 }