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 1.3 2005/05/22 03:37:05 y0netan1 Exp $ */
   5
   6 #include        "hack.h"
   7 #include        "def.edog.h"
   8 #include        "def.mkroom.h"
   9 static struct monst *bchit();
  10 extern struct obj *addinv();
  11 extern struct trap *maketrap();
  12 extern int (*occupation)();
  13 extern char quitchars[];
  14 extern char pl_character[];
  15
  16 static void use_camera(), use_ice_box(), use_whistle(), use_magic_whistle();
  17 static int use_pick_axe();
  18
  19 doapply() {
  20         struct obj *obj;
  21         int res = 1;
  22
  23         obj = getobj("(", "use or apply");
  24         if(!obj) return(0);
  25
  26         switch(obj->otyp){
  27         case EXPENSIVE_CAMERA:
  28                 use_camera(obj); break;
  29         case ICE_BOX:
  30                 use_ice_box(obj); break;
  31         case PICK_AXE:
  32                 res = use_pick_axe(obj);
  33                 break;
  34
  35         case MAGIC_WHISTLE:
  36                 if(pl_character[0] == 'W' || u.ulevel > 9) {
  37                         use_magic_whistle(obj);
  38                         break;
  39                 }
  40                 /* fall into next case */
  41         case WHISTLE:
  42                 use_whistle(obj);
  43                 break;
  44
  45         case CAN_OPENER:
  46                 if(!carrying(TIN)) {
  47                         pline("You have no can to open.");
  48                         goto xit;
  49                 }
  50                 pline("You cannot open a tin without eating its contents.");
  51                 pline("In order to eat, use the 'e' command.");
  52                 if(obj != uwep)
  53     pline("Opening the tin will be much easier if you wield the can-opener.");
  54                 goto xit;
  55
  56         default:
  57                 pline("Sorry, I don't know how to use that.");
  58         xit:
  59                 nomul(0);
  60                 return(0);
  61         }
  62         nomul(0);
  63         return(res);
  64 }
  65
  66 /* ARGSUSED */
  67 static void
  68 use_camera(obj) /* */ struct obj *obj; {
  69 struct monst *mtmp;
  70         if(!getdir(1)){         /* ask: in what direction? */
  71                 flags.move = multi = 0;
  72                 return;
  73         }
  74         if(u.uswallow) {
  75                 pline("You take a picture of %s's stomach.", monnam(u.ustuck));
  76                 return;
  77         }
  78         if(u.dz) {
  79                 pline("You take a picture of the %s.",
  80                         (u.dz > 0) ? "floor" : "ceiling");
  81                 return;
  82         }
  83         if(mtmp = bchit(u.dx, u.dy, COLNO, '!')) {
  84                 if(mtmp->msleep){
  85                         mtmp->msleep = 0;
  86                         pline("The flash awakens %s.", monnam(mtmp)); /* a3 */
  87                 } else
  88                 if(mtmp->data->mlet != 'y')
  89                 if(mtmp->mcansee || mtmp->mblinded){
  90                         int tmp = dist(mtmp->mx,mtmp->my);
  91                         int tmp2;
  92                         if(cansee(mtmp->mx,mtmp->my))
  93                           pline("%s is blinded by the flash!", Monnam(mtmp));
  94                         setmangry(mtmp);
  95                         if(tmp < 9 && !mtmp->isshk && rn2(4)) {
  96                                 mtmp->mflee = 1;
  97                                 if(rn2(4)) mtmp->mfleetim = rnd(100);
  98                         }
  99                         if(tmp < 3) mtmp->mcansee  = mtmp->mblinded = 0;
 100                         else {
 101                                 tmp2 = mtmp->mblinded;
 102                                 tmp2 += rnd(1 + 50/tmp);
 103                                 if(tmp2 > 127) tmp2 = 127;
 104                                 mtmp->mblinded = tmp2;
 105                                 mtmp->mcansee = 0;
 106                         }
 107                 }
 108         }
 109 }
 110
 111 static
 112 struct obj *current_ice_box;    /* a local variable of use_ice_box, to be
 113                                 used by its local procedures in/ck_ice_box */
 114 static
 115 in_ice_box(obj) struct obj *obj; {
 116         if(obj == current_ice_box ||
 117                 (Punished && (obj == uball || obj == uchain))){
 118                 pline("You must be kidding.");
 119                 return(0);
 120         }
 121         if(obj->owornmask & (W_ARMOR | W_RING)) {
 122                 pline("You cannot refrigerate something you are wearing.");
 123                 return(0);
 124         }
 125         if(obj->owt + current_ice_box->owt > 70) {
 126                 pline("It won't fit.");
 127                 return(1);      /* be careful! */
 128         }
 129         if(obj == uwep) {
 130                 if(uwep->cursed) {
 131                         pline("Your weapon is welded to your hand!");
 132                         return(0);
 133                 }
 134                 setuwep((struct obj *) 0);
 135         }
 136         current_ice_box->owt += obj->owt;
 137         freeinv(obj);
 138         obj->o_cnt_id = current_ice_box->o_id;
 139         obj->nobj = fcobj;
 140         fcobj = obj;
 141         obj->age = moves - obj->age;    /* actual age */
 142         return(1);
 143 }
 144
 145 static
 146 ck_ice_box(obj) struct obj *obj; {
 147         return(obj->o_cnt_id == current_ice_box->o_id);
 148 }
 149
 150 static
 151 out_ice_box(obj) struct obj *obj; {
 152 struct obj *otmp;
 153         if(obj == fcobj) fcobj = fcobj->nobj;
 154         else {
 155                 for(otmp = fcobj; otmp->nobj != obj; otmp = otmp->nobj)
 156                         if(!otmp->nobj) panic("out_ice_box");
 157                 otmp->nobj = obj->nobj;
 158         }
 159         current_ice_box->owt -= obj->owt;
 160         obj->age = moves - obj->age;    /* simulated point of time */
 161         (void) addinv(obj);
 162 }
 163
 164 static void
 165 use_ice_box(obj) struct obj *obj; {
 166 int cnt = 0;
 167 struct obj *otmp;
 168         current_ice_box = obj;  /* for use by in/out_ice_box */
 169         for(otmp = fcobj; otmp; otmp = otmp->nobj)
 170                 if(otmp->o_cnt_id == obj->o_id)
 171                         cnt++;
 172         if(!cnt) pline("Your ice-box is empty.");
 173         else {
 174             pline("Do you want to take something out of the ice-box? [yn] ");
 175             if(readchar() == 'y')
 176                 if(askchain(fcobj, (char *) 0, 0, out_ice_box, ck_ice_box, 0))
 177                     return;
 178                 pline("That was all. Do you wish to put something in? [yn] ");
 179                 if(readchar() != 'y') return;
 180         }
 181         /* call getobj: 0: allow cnt; #: allow all types; %: expect food */
 182         otmp = getobj("0#%", "put in");
 183         if(!otmp || !in_ice_box(otmp))
 184                 flags.move = multi = 0;
 185 }
 186
 187 static
 188 struct monst *
 189 bchit(ddx,ddy,range,sym) int ddx,ddy,range; char sym; {
 190         struct monst *mtmp = (struct monst *) 0;
 191         int bchx = u.ux, bchy = u.uy;
 192
 193         if(sym) Tmp_at(-1, sym);        /* open call */
 194         while(range--) {
 195                 bchx += ddx;
 196                 bchy += ddy;
 197                 if(mtmp = m_at(bchx,bchy))
 198                         break;
 199                 if(!ZAP_POS(levl[bchx][bchy].typ)) {
 200                         bchx -= ddx;
 201                         bchy -= ddy;
 202                         break;
 203                 }
 204                 if(sym) Tmp_at(bchx, bchy);
 205         }
 206         if(sym) Tmp_at(-1, -1);
 207         return(mtmp);
 208 }
 209
 210 /* ARGSUSED */
 211 static void
 212 use_whistle(obj) struct obj *obj; {
 213 struct monst *mtmp = fmon;
 214         pline("You produce a high whistling sound.");
 215         while(mtmp) {
 216                 if(dist(mtmp->mx,mtmp->my) < u.ulevel*20) {
 217                         if(mtmp->msleep)
 218                                 mtmp->msleep = 0;
 219                         if(mtmp->mtame)
 220                                 EDOG(mtmp)->whistletime = moves;
 221                 }
 222                 mtmp = mtmp->nmon;
 223         }
 224 }
 225
 226 /* ARGSUSED */
 227 static void
 228 use_magic_whistle(obj) struct obj *obj; {
 229 struct monst *mtmp = fmon;
 230         pline("You produce a strange whistling sound.");
 231         while(mtmp) {
 232                 if(mtmp->mtame) mnexto(mtmp);
 233                 mtmp = mtmp->nmon;
 234         }
 235 }
 236
 237 static int dig_effort;  /* effort expended on current pos */
 238 static uchar dig_level;
 239 static coord dig_pos;
 240 static boolean dig_down;
 241
 242 static
 243 dig() {
 244         struct rm *lev;
 245         int dpx = dig_pos.x, dpy = dig_pos.y;
 246
 247         /* perhaps a nymph stole his pick-axe while he was busy digging */
 248         /* or perhaps he teleported away */
 249         if(u.uswallow || !uwep || uwep->otyp != PICK_AXE ||
 250             dig_level != dlevel ||
 251             ((dig_down && (dpx != u.ux || dpy != u.uy)) ||
 252              (!dig_down && dist(dpx,dpy) > 2)))
 253                 return(0);
 254
 255         dig_effort += 10 + abon() + uwep->spe + rn2(5);
 256         if(dig_down) {
 257                 if(!xdnstair) {
 258                         pline("The floor here seems too hard to dig in.");
 259                         return(0);
 260                 }
 261                 if(dig_effort > 250) {
 262                         dighole();
 263                         return(0);      /* done with digging */
 264                 }
 265                 if(dig_effort > 50) {
 266                         struct trap *ttmp = t_at(dpx,dpy);
 267
 268                         if(!ttmp) {
 269                                 ttmp = maketrap(dpx,dpy,PIT);
 270                                 ttmp->tseen = 1;
 271                                 pline("You have dug a pit.");
 272                                 u.utrap = rn1(4,2);
 273                                 u.utraptype = TT_PIT;
 274                                 return(0);
 275                         }
 276                 }
 277         } else
 278         if(dig_effort > 100) {
 279                 const char *digtxt;
 280                 struct obj *obj;
 281
 282                 lev = &levl[dpx][dpy];
 283                 if(obj = sobj_at(ENORMOUS_ROCK, dpx, dpy)) {
 284                         fracture_rock(obj);
 285                         digtxt = "The rock falls apart.";
 286                 } else if(!lev->typ || lev->typ == SCORR) {
 287                         lev->typ = CORR;
 288                         digtxt = "You succeeded in cutting away some rock.";
 289                 } else if(lev->typ == HWALL || lev->typ == VWALL
 290                                             || lev->typ == SDOOR) {
 291                         lev->typ = xdnstair ? DOOR : ROOM;
 292                         digtxt = "You just made an opening in the wall.";
 293                 } else
 294                   digtxt = "Now what exactly was it that you were digging in?";
 295                 mnewsym(dpx, dpy);
 296                 prl(dpx, dpy);
 297                 pline("%s", digtxt);            /* after mnewsym & prl */
 298                 return(0);
 299         } else {
 300                 if(IS_WALL(levl[dpx][dpy].typ)) {
 301                         int rno = inroom(dpx,dpy);
 302
 303                         if(rno >= 0 && rooms[rno].rtype >= 8) {
 304                           pline("This wall seems too hard to dig into.");
 305                           return(0);
 306                         }
 307                 }
 308                 pline("You hit the rock with all your might.");
 309         }
 310         return(1);
 311 }
 312
 313 /* When will hole be finished? Very rough indication used by shopkeeper. */
 314 holetime() {
 315         return( (occupation == dig) ? (250 - dig_effort)/20 : -1);
 316 }
 317
 318 dighole()
 319 {
 320         struct trap *ttmp = t_at(u.ux, u.uy);
 321
 322         if(!xdnstair) {
 323                 pline("The floor here seems too hard to dig in.");
 324         } else {
 325                 if(ttmp)
 326                         ttmp->ttyp = TRAPDOOR;
 327                 else
 328                         ttmp = maketrap(u.ux, u.uy, TRAPDOOR);
 329                 ttmp->tseen = 1;
 330                 pline("You've made a hole in the floor.");
 331                 if(!u.ustuck) {
 332                         if(inshop())
 333                                 shopdig(1);
 334                         pline("You fall through ...");
 335                         if(u.utraptype == TT_PIT) {
 336                                 u.utrap = 0;
 337                                 u.utraptype = 0;
 338                         }
 339                         goto_level(dlevel+1, FALSE);
 340                 }
 341         }
 342 }
 343
 344 static
 345 use_pick_axe(obj)
 346 struct obj *obj;
 347 {
 348         char dirsyms[12];
 349         extern char sdir[];
 350         char *dsp = dirsyms, *sdp = sdir;
 351         struct monst *mtmp;
 352         struct rm *lev;
 353         int rx, ry, res = 0;
 354
 355         if(obj != uwep) {
 356                 if(uwep && uwep->cursed) {
 357                         /* Andreas Bormann - ihnp4!decvax!mcvax!unido!ab */
 358                         pline("Since your weapon is welded to your hand,");
 359                         pline("you cannot use that pick-axe.");
 360                         return(0);
 361                 }
 362                 pline("You now wield %s.", doname(obj));
 363                 setuwep(obj);
 364                 res = 1;
 365         }
 366         while(*sdp) {
 367                 (void) movecmd(*sdp);   /* sets u.dx and u.dy and u.dz */
 368                 rx = u.ux + u.dx;
 369                 ry = u.uy + u.dy;
 370                 if(u.dz > 0 || (u.dz == 0 && isok(rx, ry) &&
 371                     (IS_ROCK(levl[rx][ry].typ)
 372                     || sobj_at(ENORMOUS_ROCK, rx, ry))))
 373                         *dsp++ = *sdp;
 374                 sdp++;
 375         }
 376         *dsp = 0;
 377         pline("In what direction do you want to dig? [%s] ", dirsyms);
 378         if(!getdir(0))          /* no txt */
 379                 return(res);
 380         if(u.uswallow && attack(u.ustuck)) /* return(1) */;
 381         else
 382         if(u.dz < 0)
 383                 pline("You cannot reach the ceiling.");
 384         else
 385         if(u.dz == 0) {
 386                 if(Confusion)
 387                         confdir();
 388                 rx = u.ux + u.dx;
 389                 ry = u.uy + u.dy;
 390                 if((mtmp = m_at(rx, ry)) && attack(mtmp))
 391                         return(1);
 392                 if(!isok(rx, ry)) {
 393                         pline("Clash!");
 394                         return(1);
 395                 }
 396                 lev = &levl[rx][ry];
 397                 if(lev->typ == DOOR)
 398                         pline("Your %s against the door.",
 399                                 aobjnam(obj, "clang"));
 400                 else if(!IS_ROCK(lev->typ)
 401                      && !sobj_at(ENORMOUS_ROCK, rx, ry)) {
 402                         /* ACCESSIBLE or POOL */
 403                         pline("You swing your %s through thin air.",
 404                                 aobjnam(obj, (char *) 0));
 405                 } else {
 406                         if(dig_pos.x != rx || dig_pos.y != ry
 407                             || dig_level != dlevel || dig_down) {
 408                                 dig_down = FALSE;
 409                                 dig_pos.x = rx;
 410                                 dig_pos.y = ry;
 411                                 dig_level = dlevel;
 412                                 dig_effort = 0;
 413                                 pline("You start digging.");
 414                         } else
 415                                 pline("You continue digging.");
 416                         occupation = dig;
 417                         occtxt = "digging";
 418                 }
 419         } else if(Levitation) {
 420                 pline("You cannot reach the floor.");
 421         } else {
 422                 if(dig_pos.x != u.ux || dig_pos.y != u.uy
 423                     || dig_level != dlevel || !dig_down) {
 424                         dig_down = TRUE;
 425                         dig_pos.x = u.ux;
 426                         dig_pos.y = u.uy;
 427                         dig_level = dlevel;
 428                         dig_effort = 0;
 429                         pline("You start digging in the floor.");
 430                         if(inshop())
 431                                 shopdig(0);
 432                 } else
 433                         pline("You continue digging in the floor.");
 434                 occupation = dig;
 435                 occtxt = "digging";
 436         }
 437         return(1);
 438 }