hack/hack.apply.c

   1 /*
   2  * Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985.
   3  */
   4
   5 #ifndef lint
   6 static char rcsid[] = "$NetBSD: hack.apply.c,v 1.4 1995/03/23 08:29:47 cgd Exp $";
   7 #endif /* not lint */
   8
   9 #include        "hack.h"
  10 #include        "def.edog.h"
  11 #include        "def.mkroom.h"
  12 static struct monst *bchit();
  13 extern struct obj *addinv();
  14 extern struct trap *maketrap();
  15 extern int (*occupation)();
  16 extern char *occtxt;
  17 extern char quitchars[];
  18 extern char pl_character[];
  19
  20 static void use_camera(), use_ice_box(), use_whistle(), use_magic_whistle();
  21 static int use_pick_axe();
  22
  23 doapply() {
  24         register struct obj *obj;
  25         register 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 /* ARGSUSED */
  71 static void
  72 use_camera(obj) /* register */ struct obj *obj; {
  73 register 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                         register int tmp = dist(mtmp->mx,mtmp->my);
  95                         register 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
 119 in_ice_box(obj) register struct obj *obj; {
 120         if(obj == current_ice_box ||
 121                 (Punished && (obj == uball || obj == uchain))){
 122                 pline("You must be kidding.");
 123                 return(0);
 124         }
 125         if(obj->owornmask & (W_ARMOR | W_RING)) {
 126                 pline("You cannot refrigerate something you are wearing.");
 127                 return(0);
 128         }
 129         if(obj->owt + current_ice_box->owt > 70) {
 130                 pline("It won't fit.");
 131                 return(1);      /* be careful! */
 132         }
 133         if(obj == uwep) {
 134                 if(uwep->cursed) {
 135                         pline("Your weapon is welded to your hand!");
 136                         return(0);
 137                 }
 138                 setuwep((struct obj *) 0);
 139         }
 140         current_ice_box->owt += obj->owt;
 141         freeinv(obj);
 142         obj->o_cnt_id = current_ice_box->o_id;
 143         obj->nobj = fcobj;
 144         fcobj = obj;
 145         obj->age = moves - obj->age;    /* actual age */
 146         return(1);
 147 }
 148
 149 static
 150 ck_ice_box(obj) register struct obj *obj; {
 151         return(obj->o_cnt_id == current_ice_box->o_id);
 152 }
 153
 154 static
 155 out_ice_box(obj) register struct obj *obj; {
 156 register struct obj *otmp;
 157         if(obj == fcobj) fcobj = fcobj->nobj;
 158         else {
 159                 for(otmp = fcobj; otmp->nobj != obj; otmp = otmp->nobj)
 160                         if(!otmp->nobj) panic("out_ice_box");
 161                 otmp->nobj = obj->nobj;
 162         }
 163         current_ice_box->owt -= obj->owt;
 164         obj->age = moves - obj->age;    /* simulated point of time */
 165         (void) addinv(obj);
 166 }
 167
 168 static void
 169 use_ice_box(obj) register struct obj *obj; {
 170 register int cnt = 0;
 171 register struct obj *otmp;
 172         current_ice_box = obj;  /* for use by in/out_ice_box */
 173         for(otmp = fcobj; otmp; otmp = otmp->nobj)
 174                 if(otmp->o_cnt_id == obj->o_id)
 175                         cnt++;
 176         if(!cnt) pline("Your ice-box is empty.");
 177         else {
 178             pline("Do you want to take something out of the ice-box? [yn] ");
 179             if(readchar() == 'y')
 180                 if(askchain(fcobj, (char *) 0, 0, out_ice_box, ck_ice_box, 0))
 181                     return;
 182                 pline("That was all. Do you wish to put something in? [yn] ");
 183                 if(readchar() != 'y') return;
 184         }
 185         /* call getobj: 0: allow cnt; #: allow all types; %: expect food */
 186         otmp = getobj("0#%", "put in");
 187         if(!otmp || !in_ice_box(otmp))
 188                 flags.move = multi = 0;
 189 }
 190
 191 static
 192 struct monst *
 193 bchit(ddx,ddy,range,sym) register int ddx,ddy,range; char sym; {
 194         register struct monst *mtmp = (struct monst *) 0;
 195         register int bchx = u.ux, bchy = u.uy;
 196
 197         if(sym) Tmp_at(-1, sym);        /* open call */
 198         while(range--) {
 199                 bchx += ddx;
 200                 bchy += ddy;
 201                 if(mtmp = m_at(bchx,bchy))
 202                         break;
 203                 if(!ZAP_POS(levl[bchx][bchy].typ)) {
 204                         bchx -= ddx;
 205                         bchy -= ddy;
 206                         break;
 207                 }
 208                 if(sym) Tmp_at(bchx, bchy);
 209         }
 210         if(sym) Tmp_at(-1, -1);
 211         return(mtmp);
 212 }
 213
 214 /* ARGSUSED */
 215 static void
 216 use_whistle(obj) struct obj *obj; {
 217 register struct monst *mtmp = fmon;
 218         pline("You produce a high whistling sound.");
 219         while(mtmp) {
 220                 if(dist(mtmp->mx,mtmp->my) < u.ulevel*20) {
 221                         if(mtmp->msleep)
 222                                 mtmp->msleep = 0;
 223                         if(mtmp->mtame)
 224                                 EDOG(mtmp)->whistletime = moves;
 225                 }
 226                 mtmp = mtmp->nmon;
 227         }
 228 }
 229
 230 /* ARGSUSED */
 231 static void
 232 use_magic_whistle(obj) struct obj *obj; {
 233 register struct monst *mtmp = fmon;
 234         pline("You produce a strange whistling sound.");
 235         while(mtmp) {
 236                 if(mtmp->mtame) mnexto(mtmp);
 237                 mtmp = mtmp->nmon;
 238         }
 239 }
 240
 241 static int dig_effort;  /* effort expended on current pos */
 242 static uchar dig_level;
 243 static coord dig_pos;
 244 static boolean dig_down;
 245
 246 static
 247 dig() {
 248         register struct rm *lev;
 249         register dpx = dig_pos.x, dpy = dig_pos.y;
 250
 251         /* perhaps a nymph stole his pick-axe while he was busy digging */
 252         /* or perhaps he teleported away */
 253         if(u.uswallow || !uwep || uwep->otyp != PICK_AXE ||
 254             dig_level != dlevel ||
 255             ((dig_down && (dpx != u.ux || dpy != u.uy)) ||
 256              (!dig_down && dist(dpx,dpy) > 2)))
 257                 return(0);
 258
 259         dig_effort += 10 + abon() + uwep->spe + rn2(5);
 260         if(dig_down) {
 261                 if(!xdnstair) {
 262                         pline("The floor here seems too hard to dig in.");
 263                         return(0);
 264                 }
 265                 if(dig_effort > 250) {
 266                         dighole();
 267                         return(0);      /* done with digging */
 268                 }
 269                 if(dig_effort > 50) {
 270                         register struct trap *ttmp = t_at(dpx,dpy);
 271
 272                         if(!ttmp) {
 273                                 ttmp = maketrap(dpx,dpy,PIT);
 274                                 ttmp->tseen = 1;
 275                                 pline("You have dug a pit.");
 276                                 u.utrap = rn1(4,2);
 277                                 u.utraptype = TT_PIT;
 278                                 return(0);
 279                         }
 280                 }
 281         } else
 282         if(dig_effort > 100) {
 283                 register char *digtxt;
 284                 register struct obj *obj;
 285
 286                 lev = &levl[dpx][dpy];
 287                 if(obj = sobj_at(ENORMOUS_ROCK, dpx, dpy)) {
 288                         fracture_rock(obj);
 289                         digtxt = "The rock falls apart.";
 290                 } else if(!lev->typ || lev->typ == SCORR) {
 291                         lev->typ = CORR;
 292                         digtxt = "You succeeded in cutting away some rock.";
 293                 } else if(lev->typ == HWALL || lev->typ == VWALL
 294                                             || lev->typ == SDOOR) {
 295                         lev->typ = xdnstair ? DOOR : ROOM;
 296                         digtxt = "You just made an opening in the wall.";
 297                 } else
 298                   digtxt = "Now what exactly was it that you were digging in?";
 299                 mnewsym(dpx, dpy);
 300                 prl(dpx, dpy);
 301                 pline(digtxt);          /* after mnewsym & prl */
 302                 return(0);
 303         } else {
 304                 if(IS_WALL(levl[dpx][dpy].typ)) {
 305                         register int rno = inroom(dpx,dpy);
 306
 307                         if(rno >= 0 && rooms[rno].rtype >= 8) {
 308                           pline("This wall seems too hard to dig into.");
 309                           return(0);
 310                         }
 311                 }
 312                 pline("You hit the rock with all your might.");
 313         }
 314         return(1);
 315 }
 316
 317 /* When will hole be finished? Very rough indication used by shopkeeper. */
 318 holetime() {
 319         return( (occupation == dig) ? (250 - dig_effort)/20 : -1);
 320 }
 321
 322 dighole()
 323 {
 324         register struct trap *ttmp = t_at(u.ux, u.uy);
 325
 326         if(!xdnstair) {
 327                 pline("The floor here seems too hard to dig in.");
 328         } else {
 329                 if(ttmp)
 330                         ttmp->ttyp = TRAPDOOR;
 331                 else
 332                         ttmp = maketrap(u.ux, u.uy, TRAPDOOR);
 333                 ttmp->tseen = 1;
 334                 pline("You've made a hole in the floor.");
 335                 if(!u.ustuck) {
 336                         if(inshop())
 337                                 shopdig(1);
 338                         pline("You fall through ...");
 339                         if(u.utraptype == TT_PIT) {
 340                                 u.utrap = 0;
 341                                 u.utraptype = 0;
 342                         }
 343                         goto_level(dlevel+1, FALSE);
 344                 }
 345         }
 346 }
 347
 348 static
 349 use_pick_axe(obj)
 350 struct obj *obj;
 351 {
 352         char dirsyms[12];
 353         extern char sdir[];
 354         register char *dsp = dirsyms, *sdp = sdir;
 355         register struct monst *mtmp;
 356         register struct rm *lev;
 357         register int rx, ry, res = 0;
 358
 359         if(obj != uwep) {
 360                 if(uwep && uwep->cursed) {
 361                         /* Andreas Bormann - ihnp4!decvax!mcvax!unido!ab */
 362                         pline("Since your weapon is welded to your hand,");
 363                         pline("you cannot use that pick-axe.");
 364                         return(0);
 365                 }
 366                 pline("You now wield %s.", doname(obj));
 367                 setuwep(obj);
 368                 res = 1;
 369         }
 370         while(*sdp) {
 371                 (void) movecmd(*sdp);   /* sets u.dx and u.dy and u.dz */
 372                 rx = u.ux + u.dx;
 373                 ry = u.uy + u.dy;
 374                 if(u.dz > 0 || (u.dz == 0 && isok(rx, ry) &&
 375                     (IS_ROCK(levl[rx][ry].typ)
 376                     || sobj_at(ENORMOUS_ROCK, rx, ry))))
 377                         *dsp++ = *sdp;
 378                 sdp++;
 379         }
 380         *dsp = 0;
 381         pline("In what direction do you want to dig? [%s] ", dirsyms);
 382         if(!getdir(0))          /* no txt */
 383                 return(res);
 384         if(u.uswallow && attack(u.ustuck)) /* return(1) */;
 385         else
 386         if(u.dz < 0)
 387                 pline("You cannot reach the ceiling.");
 388         else
 389         if(u.dz == 0) {
 390                 if(Confusion)
 391                         confdir();
 392                 rx = u.ux + u.dx;
 393                 ry = u.uy + u.dy;
 394                 if((mtmp = m_at(rx, ry)) && attack(mtmp))
 395                         return(1);
 396                 if(!isok(rx, ry)) {
 397                         pline("Clash!");
 398                         return(1);
 399                 }
 400                 lev = &levl[rx][ry];
 401                 if(lev->typ == DOOR)
 402                         pline("Your %s against the door.",
 403                                 aobjnam(obj, "clang"));
 404                 else if(!IS_ROCK(lev->typ)
 405                      && !sobj_at(ENORMOUS_ROCK, rx, ry)) {
 406                         /* ACCESSIBLE or POOL */
 407                         pline("You swing your %s through thin air.",
 408                                 aobjnam(obj, (char *) 0));
 409                 } else {
 410                         if(dig_pos.x != rx || dig_pos.y != ry
 411                             || dig_level != dlevel || dig_down) {
 412                                 dig_down = FALSE;
 413                                 dig_pos.x = rx;
 414                                 dig_pos.y = ry;
 415                                 dig_level = dlevel;
 416                                 dig_effort = 0;
 417                                 pline("You start digging.");
 418                         } else
 419                                 pline("You continue digging.");
 420                         occupation = dig;
 421                         occtxt = "digging";
 422                 }
 423         } else if(Levitation) {
 424                 pline("You cannot reach the floor.");
 425         } else {
 426                 if(dig_pos.x != u.ux || dig_pos.y != u.uy
 427                     || dig_level != dlevel || !dig_down) {
 428                         dig_down = TRUE;
 429                         dig_pos.x = u.ux;
 430                         dig_pos.y = u.uy;
 431                         dig_level = dlevel;
 432                         dig_effort = 0;
 433                         pline("You start digging in the floor.");
 434                         if(inshop())
 435                                 shopdig(0);
 436                 } else
 437                         pline("You continue digging in the floor.");
 438                 occupation = dig;
 439                 occtxt = "digging";
 440         }
 441         return(1);
 442 }