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 /* $DragonFly: src/games/hack/hack.apply.c,v 1.4 2006/08/21 19:45:32 pavalos Exp $ */
   5
   6 #include        "hack.h"
   7 #include        "def.edog.h"
   8 extern char quitchars[];
   9
  10 static void              use_camera(struct obj *);
  11 static bool              in_ice_box(struct obj *);
  12 static bool              ck_ice_box(struct obj *);
  13 static int               out_ice_box(struct obj *);
  14 static void              use_ice_box(struct obj *);
  15 static struct monst     *bchit(int, int, int, char);
  16 static void              use_whistle(struct obj *);
  17 static void              use_magic_whistle(struct obj *);
  18 static bool              dig(void);
  19 static int               use_pick_axe(struct obj *);
  20
  21 int
  22 doapply(void)
  23 {
  24         struct obj *obj;
  25         int res = 1;
  26
  27         obj = getobj("(", "use or apply");
  28         if(!obj) return(0);
  29
  30         switch(obj->otyp){
  31         case EXPENSIVE_CAMERA:
  32                 use_camera(obj); break;
  33         case ICE_BOX:
  34                 use_ice_box(obj); break;
  35         case PICK_AXE:
  36                 res = use_pick_axe(obj);
  37                 break;
  38
  39         case MAGIC_WHISTLE:
  40                 if(pl_character[0] == 'W' || u.ulevel > 9) {
  41                         use_magic_whistle(obj);
  42                         break;
  43                 }
  44                 /* fall into next case */
  45         case WHISTLE:
  46                 use_whistle(obj);
  47                 break;
  48
  49         case CAN_OPENER:
  50                 if(!carrying(TIN)) {
  51                         pline("You have no can to open.");
  52                         goto xit;
  53                 }
  54                 pline("You cannot open a tin without eating its contents.");
  55                 pline("In order to eat, use the 'e' command.");
  56                 if(obj != uwep)
  57     pline("Opening the tin will be much easier if you wield the can-opener.");
  58                 goto xit;
  59
  60         default:
  61                 pline("Sorry, I don't know how to use that.");
  62         xit:
  63                 nomul(0);
  64                 return(0);
  65         }
  66         nomul(0);
  67         return(res);
  68 }
  69
  70 static void
  71 use_camera(__unused struct obj *obj)
  72 {
  73 struct monst *mtmp;
  74         if(!getdir(1)){         /* ask: in what direction? */
  75                 flags.move = multi = 0;
  76                 return;
  77         }
  78         if(u.uswallow) {
  79                 pline("You take a picture of %s's stomach.", monnam(u.ustuck));
  80                 return;
  81         }
  82         if(u.dz) {
  83                 pline("You take a picture of the %s.",
  84                         (u.dz > 0) ? "floor" : "ceiling");
  85                 return;
  86         }
  87         if((mtmp = bchit(u.dx, u.dy, COLNO, '!'))) {
  88                 if(mtmp->msleep){
  89                         mtmp->msleep = 0;
  90                         pline("The flash awakens %s.", monnam(mtmp)); /* a3 */
  91                 } else
  92                 if(mtmp->data->mlet != 'y')
  93                 if(mtmp->mcansee || mtmp->mblinded){
  94                         int tmp = dist(mtmp->mx,mtmp->my);
  95                         int tmp2;
  96                         if(cansee(mtmp->mx,mtmp->my))
  97                           pline("%s is blinded by the flash!", Monnam(mtmp));
  98                         setmangry(mtmp);
  99                         if(tmp < 9 && !mtmp->isshk && rn2(4)) {
 100                                 mtmp->mflee = 1;
 101                                 if(rn2(4)) mtmp->mfleetim = rnd(100);
 102                         }
 103                         if(tmp < 3) mtmp->mcansee  = mtmp->mblinded = 0;
 104                         else {
 105                                 tmp2 = mtmp->mblinded;
 106                                 tmp2 += rnd(1 + 50/tmp);
 107                                 if(tmp2 > 127) tmp2 = 127;
 108                                 mtmp->mblinded = tmp2;
 109                                 mtmp->mcansee = 0;
 110                         }
 111                 }
 112         }
 113 }
 114
 115 static
 116 struct obj *current_ice_box;    /* a local variable of use_ice_box, to be
 117                                 used by its local procedures in/ck_ice_box */
 118 static bool
 119 in_ice_box(struct obj *obj)
 120 {
 121         if(obj == current_ice_box ||
 122                 (Punished && (obj == uball || obj == uchain))){
 123                 pline("You must be kidding.");
 124                 return(0);
 125         }
 126         if(obj->owornmask & (W_ARMOR | W_RING)) {
 127                 pline("You cannot refrigerate something you are wearing.");
 128                 return(0);
 129         }
 130         if(obj->owt + current_ice_box->owt > 70) {
 131                 pline("It won't fit.");
 132                 return(1);      /* be careful! */
 133         }
 134         if(obj == uwep) {
 135                 if(uwep->cursed) {
 136                         pline("Your weapon is welded to your hand!");
 137                         return(0);
 138                 }
 139                 setuwep((struct obj *) 0);
 140         }
 141         current_ice_box->owt += obj->owt;
 142         freeinv(obj);
 143         obj->o_cnt_id = current_ice_box->o_id;
 144         obj->nobj = fcobj;
 145         fcobj = obj;
 146         obj->age = moves - obj->age;    /* actual age */
 147         return(1);
 148 }
 149
 150 static bool
 151 ck_ice_box(struct obj *obj)
 152 {
 153         return(obj->o_cnt_id == current_ice_box->o_id);
 154 }
 155
 156 static int
 157 out_ice_box(struct obj *obj)
 158 {
 159 struct obj *otmp;
 160         if(obj == fcobj) fcobj = fcobj->nobj;
 161         else {
 162                 for(otmp = fcobj; otmp->nobj != obj; otmp = otmp->nobj)
 163                         if(!otmp->nobj) panic("out_ice_box");
 164                 otmp->nobj = obj->nobj;
 165         }
 166         current_ice_box->owt -= obj->owt;
 167         obj->age = moves - obj->age;    /* simulated point of time */
 168         addinv(obj);
 169         return(0);
 170 }
 171
 172 static void
 173 use_ice_box(struct obj *obj)
 174 {
 175 int cnt = 0;
 176 struct obj *otmp;
 177         current_ice_box = obj;  /* for use by in/out_ice_box */
 178         for(otmp = fcobj; otmp; otmp = otmp->nobj)
 179                 if(otmp->o_cnt_id == obj->o_id)
 180                         cnt++;
 181         if(!cnt) pline("Your ice-box is empty.");
 182         else {
 183             pline("Do you want to take something out of the ice-box? [yn] ");
 184             if(readchar() == 'y')
 185                 if(askchain(fcobj, (char *) 0, 0, out_ice_box, ck_ice_box, 0))
 186                     return;
 187                 pline("That was all. Do you wish to put something in? [yn] ");
 188                 if(readchar() != 'y') return;
 189         }
 190         /* call getobj: 0: allow cnt; #: allow all types; %: expect food */
 191         otmp = getobj("0#%", "put in");
 192         if(!otmp || !in_ice_box(otmp))
 193                 flags.move = multi = 0;
 194 }
 195
 196 static struct monst *
 197 bchit(int ddx, int ddy, int range, char sym)
 198 {
 199         struct monst *mtmp = (struct monst *) 0;
 200         int bchx = u.ux, bchy = u.uy;
 201
 202         if(sym) Tmp_at(-1, sym);        /* open call */
 203         while(range--) {
 204                 bchx += ddx;
 205                 bchy += ddy;
 206                 if((mtmp = m_at(bchx,bchy)))
 207                         break;
 208                 if(!ZAP_POS(levl[bchx][bchy].typ)) {
 209                         bchx -= ddx;
 210                         bchy -= ddy;
 211                         break;
 212                 }
 213                 if(sym) Tmp_at(bchx, bchy);
 214         }
 215         if(sym) Tmp_at(-1, -1);
 216         return(mtmp);
 217 }
 218
 219 static void
 220 use_whistle(__unused struct obj *obj)
 221 {
 222 struct monst *mtmp = fmon;
 223         pline("You produce a high whistling sound.");
 224         while(mtmp) {
 225                 if(dist(mtmp->mx,mtmp->my) < u.ulevel*20) {
 226                         if(mtmp->msleep)
 227                                 mtmp->msleep = 0;
 228                         if(mtmp->mtame)
 229                                 EDOG(mtmp)->whistletime = moves;
 230                 }
 231                 mtmp = mtmp->nmon;
 232         }
 233 }
 234
 235 static void
 236 use_magic_whistle(__unused struct obj *obj)
 237 {
 238 struct monst *mtmp = fmon;
 239         pline("You produce a strange whistling sound.");
 240         while(mtmp) {
 241                 if(mtmp->mtame) mnexto(mtmp);
 242                 mtmp = mtmp->nmon;
 243         }
 244 }
 245
 246 static int dig_effort;  /* effort expended on current pos */
 247 static uchar dig_level;
 248 static coord dig_pos;
 249 static boolean dig_down;
 250
 251 static bool
 252 dig(void)
 253 {
 254         struct rm *lev;
 255         int dpx = dig_pos.x, dpy = dig_pos.y;
 256
 257         /* perhaps a nymph stole his pick-axe while he was busy digging */
 258         /* or perhaps he teleported away */
 259         if(u.uswallow || !uwep || uwep->otyp != PICK_AXE ||
 260             dig_level != dlevel ||
 261             ((dig_down && (dpx != u.ux || dpy != u.uy)) ||
 262              (!dig_down && dist(dpx,dpy) > 2)))
 263                 return(0);
 264
 265         dig_effort += 10 + abon() + uwep->spe + rn2(5);
 266         if(dig_down) {
 267                 if(!xdnstair) {
 268                         pline("The floor here seems too hard to dig in.");
 269                         return(0);
 270                 }
 271                 if(dig_effort > 250) {
 272                         dighole();
 273                         return(0);      /* done with digging */
 274                 }
 275                 if(dig_effort > 50) {
 276                         struct trap *ttmp = t_at(dpx,dpy);
 277
 278                         if(!ttmp) {
 279                                 ttmp = maketrap(dpx,dpy,PIT);
 280                                 ttmp->tseen = 1;
 281                                 pline("You have dug a pit.");
 282                                 u.utrap = rn1(4,2);
 283                                 u.utraptype = TT_PIT;
 284                                 return(0);
 285                         }
 286                 }
 287         } else
 288         if(dig_effort > 100) {
 289                 const char *digtxt;
 290                 struct obj *obj;
 291
 292                 lev = &levl[dpx][dpy];
 293                 if((obj = sobj_at(ENORMOUS_ROCK, dpx, dpy))) {
 294                         fracture_rock(obj);
 295                         digtxt = "The rock falls apart.";
 296                 } else if(!lev->typ || lev->typ == SCORR) {
 297                         lev->typ = CORR;
 298                         digtxt = "You succeeded in cutting away some rock.";
 299                 } else if(lev->typ == HWALL || lev->typ == VWALL
 300                                             || lev->typ == SDOOR) {
 301                         lev->typ = xdnstair ? DOOR : ROOM;
 302                         digtxt = "You just made an opening in the wall.";
 303                 } else
 304                   digtxt = "Now what exactly was it that you were digging in?";
 305                 mnewsym(dpx, dpy);
 306                 prl(dpx, dpy);
 307                 pline("%s", digtxt);            /* after mnewsym & prl */
 308                 return(0);
 309         } else {
 310                 if(IS_WALL(levl[dpx][dpy].typ)) {
 311                         int rno = inroom(dpx,dpy);
 312
 313                         if(rno >= 0 && rooms[rno].rtype >= 8) {
 314                           pline("This wall seems too hard to dig into.");
 315                           return(0);
 316                         }
 317                 }
 318                 pline("You hit the rock with all your might.");
 319         }
 320         return(1);
 321 }
 322
 323 /* When will hole be finished? Very rough indication used by shopkeeper. */
 324 int
 325 holetime(void)
 326 {
 327         return( (occupation == dig) ? (250 - dig_effort)/20 : -1);
 328 }
 329
 330 void
 331 dighole(void)
 332 {
 333         struct trap *ttmp = t_at(u.ux, u.uy);
 334
 335         if(!xdnstair) {
 336                 pline("The floor here seems too hard to dig in.");
 337         } else {
 338                 if(ttmp)
 339                         ttmp->ttyp = TRAPDOOR;
 340                 else
 341                         ttmp = maketrap(u.ux, u.uy, TRAPDOOR);
 342                 ttmp->tseen = 1;
 343                 pline("You've made a hole in the floor.");
 344                 if(!u.ustuck) {
 345                         if(inshop())
 346                                 shopdig(1);
 347                         pline("You fall through ...");
 348                         if(u.utraptype == TT_PIT) {
 349                                 u.utrap = 0;
 350                                 u.utraptype = 0;
 351                         }
 352                         goto_level(dlevel+1, FALSE);
 353                 }
 354         }
 355 }
 356
 357 static int
 358 use_pick_axe(struct obj *obj)
 359 {
 360         char dirsyms[12];
 361         char *dsp = dirsyms, *sdp = sdir;
 362         struct monst *mtmp;
 363         struct rm *lev;
 364         int rx, ry, res = 0;
 365
 366         if(obj != uwep) {
 367                 if(uwep && uwep->cursed) {
 368                         /* Andreas Bormann - ihnp4!decvax!mcvax!unido!ab */
 369                         pline("Since your weapon is welded to your hand,");
 370                         pline("you cannot use that pick-axe.");
 371                         return(0);
 372                 }
 373                 pline("You now wield %s.", doname(obj));
 374                 setuwep(obj);
 375                 res = 1;
 376         }
 377         while(*sdp) {
 378                 movecmd(*sdp);  /* sets u.dx and u.dy and u.dz */
 379                 rx = u.ux + u.dx;
 380                 ry = u.uy + u.dy;
 381                 if(u.dz > 0 || (u.dz == 0 && isok(rx, ry) &&
 382                     (IS_ROCK(levl[rx][ry].typ)
 383                     || sobj_at(ENORMOUS_ROCK, rx, ry))))
 384                         *dsp++ = *sdp;
 385                 sdp++;
 386         }
 387         *dsp = 0;
 388         pline("In what direction do you want to dig? [%s] ", dirsyms);
 389         if(!getdir(0))          /* no txt */
 390                 return(res);
 391         if(u.uswallow && attack(u.ustuck)) /* return(1) */;
 392         else
 393         if(u.dz < 0)
 394                 pline("You cannot reach the ceiling.");
 395         else
 396         if(u.dz == 0) {
 397                 if(Confusion)
 398                         confdir();
 399                 rx = u.ux + u.dx;
 400                 ry = u.uy + u.dy;
 401                 if((mtmp = m_at(rx, ry)) && attack(mtmp))
 402                         return(1);
 403                 if(!isok(rx, ry)) {
 404                         pline("Clash!");
 405                         return(1);
 406                 }
 407                 lev = &levl[rx][ry];
 408                 if(lev->typ == DOOR)
 409                         pline("Your %s against the door.",
 410                                 aobjnam(obj, "clang"));
 411                 else if(!IS_ROCK(lev->typ)
 412                      && !sobj_at(ENORMOUS_ROCK, rx, ry)) {
 413                         /* ACCESSIBLE or POOL */
 414                         pline("You swing your %s through thin air.",
 415                                 aobjnam(obj, (char *) 0));
 416                 } else {
 417                         if(dig_pos.x != rx || dig_pos.y != ry
 418                             || dig_level != dlevel || dig_down) {
 419                                 dig_down = FALSE;
 420                                 dig_pos.x = rx;
 421                                 dig_pos.y = ry;
 422                                 dig_level = dlevel;
 423                                 dig_effort = 0;
 424                                 pline("You start digging.");
 425                         } else
 426                                 pline("You continue digging.");
 427                         occupation = dig;
 428                         occtxt = "digging";
 429                 }
 430         } else if(Levitation) {
 431                 pline("You cannot reach the floor.");
 432         } else {
 433                 if(dig_pos.x != u.ux || dig_pos.y != u.uy
 434                     || dig_level != dlevel || !dig_down) {
 435                         dig_down = TRUE;
 436                         dig_pos.x = u.ux;
 437                         dig_pos.y = u.uy;
 438                         dig_level = dlevel;
 439                         dig_effort = 0;
 440                         pline("You start digging in the floor.");
 441                         if(inshop())
 442                                 shopdig(0);
 443                 } else
 444                         pline("You continue digging in the floor.");
 445                 occupation = dig;
 446                 occtxt = "digging";
 447         }
 448         return(1);
 449 }