games/hack/hack.c

   1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
   2 /* hack.c - version 1.0.3 */
   3 /* $FreeBSD: src/games/hack/hack.c,v 1.4 1999/11/16 10:26:35 marcel Exp $ */
   4 /* $DragonFly: src/games/hack/hack.c,v 1.5 2006/08/21 19:45:32 pavalos Exp $ */
   5
   6 #include "hack.h"
   7
   8 static void     movobj(struct obj *, int, int);
   9 #ifdef QUEST
  10 static bool     rroom(int, int);
  11 #endif
  12 static int      inv_cnt(void);
  13
  14 /* called on movement:
  15         1. when throwing ball+chain far away
  16         2. when teleporting
  17         3. when walking out of a lit room
  18  */
  19 void
  20 unsee(void)
  21 {
  22         int x,y;
  23         struct rm *lev;
  24
  25 #ifndef QUEST
  26         if(seehx){
  27                 seehx = 0;
  28         } else
  29 #endif /* QUEST */
  30         for(x = u.ux-1; x < u.ux+2; x++)
  31           for(y = u.uy-1; y < u.uy+2; y++) {
  32                 if(!isok(x, y)) continue;
  33                 lev = &levl[x][y];
  34                 if(!lev->lit && lev->scrsym == '.') {
  35                         lev->scrsym =' ';
  36                         lev->new = 1;
  37                         on_scr(x,y);
  38                 }
  39         }
  40 }
  41
  42 /* called:
  43         in hack.eat.c: seeoff(0) - blind after eating rotten food
  44         in hack.mon.c: seeoff(0) - blinded by a yellow light
  45         in hack.mon.c: seeoff(1) - swallowed
  46         in hack.do.c:  seeoff(0) - blind after drinking potion
  47         in hack.do.c:  seeoff(1) - go up or down the stairs
  48         in hack.trap.c:seeoff(1) - fall through trapdoor
  49  */
  50 void
  51 seeoff(bool mode)       /* 1 to redo @, 0 to leave them */
  52 {       /* 1 means misc movement, 0 means blindness */
  53         int x,y;
  54         struct rm *lev;
  55
  56         if(u.udispl && mode){
  57                 u.udispl = 0;
  58                 levl[u.udisx][u.udisy].scrsym = news0(u.udisx,u.udisy);
  59         }
  60 #ifndef QUEST
  61         if(seehx) {
  62                 seehx = 0;
  63         } else
  64 #endif /* QUEST */
  65         if(!mode) {
  66                 for(x = u.ux-1; x < u.ux+2; x++)
  67                         for(y = u.uy-1; y < u.uy+2; y++) {
  68                                 if(!isok(x, y)) continue;
  69                                 lev = &levl[x][y];
  70                                 if(!lev->lit && lev->scrsym == '.')
  71                                         lev->seen = 0;
  72                         }
  73         }
  74 }
  75
  76 void
  77 domove(void)
  78 {
  79         xchar oldx,oldy;
  80         struct monst *mtmp = NULL;
  81         struct rm *tmpr,*ust;
  82         struct trap *trap = NULL;
  83         struct obj *otmp;
  84
  85         u_wipe_engr(rnd(5));
  86
  87         if(inv_weight() > 0){
  88                 pline("You collapse under your load.");
  89                 nomul(0);
  90                 return;
  91         }
  92         if(u.uswallow) {
  93                 u.dx = u.dy = 0;
  94                 u.ux = u.ustuck->mx;
  95                 u.uy = u.ustuck->my;
  96         } else {
  97                 if(Confusion) {
  98                         do {
  99                                 confdir();
 100                         } while(!isok(u.ux+u.dx, u.uy+u.dy) ||
 101                             IS_ROCK(levl[u.ux+u.dx][u.uy+u.dy].typ));
 102                 }
 103                 if(!isok(u.ux+u.dx, u.uy+u.dy)){
 104                         nomul(0);
 105                         return;
 106                 }
 107         }
 108
 109         ust = &levl[u.ux][u.uy];
 110         oldx = u.ux;
 111         oldy = u.uy;
 112         if(!u.uswallow && (trap = t_at(u.ux+u.dx, u.uy+u.dy)) && trap->tseen)
 113                 nomul(0);
 114         if(u.ustuck && !u.uswallow && (u.ux+u.dx != u.ustuck->mx ||
 115                 u.uy+u.dy != u.ustuck->my)) {
 116                 if(dist(u.ustuck->mx, u.ustuck->my) > 2){
 117                         /* perhaps it fled (or was teleported or ... ) */
 118                         u.ustuck = 0;
 119                 } else {
 120                         if(Blind) pline("You cannot escape from it!");
 121                         else pline("You cannot escape from %s!",
 122                                 monnam(u.ustuck));
 123                         nomul(0);
 124                         return;
 125                 }
 126         }
 127         if(u.uswallow || (mtmp = m_at(u.ux+u.dx,u.uy+u.dy))) {
 128         /* attack monster */
 129
 130                 nomul(0);
 131                 gethungry();
 132                 if(multi < 0) return;   /* we just fainted */
 133
 134                 /* try to attack; note that it might evade */
 135                 if(attack(u.uswallow ? u.ustuck : mtmp))
 136                         return;
 137         }
 138         /* not attacking an animal, so we try to move */
 139         if(u.utrap) {
 140                 if(u.utraptype == TT_PIT) {
 141                         pline("You are still in a pit.");
 142                         u.utrap--;
 143                 } else {
 144                         pline("You are caught in a beartrap.");
 145                         if((u.dx && u.dy) || !rn2(5)) u.utrap--;
 146                 }
 147                 return;
 148         }
 149         tmpr = &levl[u.ux+u.dx][u.uy+u.dy];
 150         if(IS_ROCK(tmpr->typ) ||
 151            (u.dx && u.dy && (tmpr->typ == DOOR || ust->typ == DOOR))){
 152                 flags.move = 0;
 153                 nomul(0);
 154                 return;
 155         }
 156         while((otmp = sobj_at(ENORMOUS_ROCK, u.ux+u.dx, u.uy+u.dy))) {
 157                 xchar rx = u.ux+2*u.dx, ry = u.uy+2*u.dy;
 158                 struct trap *ttmp;
 159                 nomul(0);
 160                 if(isok(rx,ry) && !IS_ROCK(levl[rx][ry].typ) &&
 161                     (levl[rx][ry].typ != DOOR || !(u.dx && u.dy)) &&
 162                     !sobj_at(ENORMOUS_ROCK, rx, ry)) {
 163                         if(m_at(rx,ry)) {
 164                             pline("You hear a monster behind the rock.");
 165                             pline("Perhaps that's why you cannot move it.");
 166                             goto cannot_push;
 167                         }
 168                         if((ttmp = t_at(rx,ry)))
 169                             switch(ttmp->ttyp) {
 170                             case PIT:
 171                                 pline("You push the rock into a pit!");
 172                                 deltrap(ttmp);
 173                                 delobj(otmp);
 174                                 pline("It completely fills the pit!");
 175                                 continue;
 176                             case TELEP_TRAP:
 177                                 pline("You push the rock and suddenly it disappears!");
 178                                 delobj(otmp);
 179                                 continue;
 180                             }
 181                         if(levl[rx][ry].typ == POOL) {
 182                                 levl[rx][ry].typ = ROOM;
 183                                 mnewsym(rx,ry);
 184                                 prl(rx,ry);
 185                                 pline("You push the rock into the water.");
 186                                 pline("Now you can cross the water!");
 187                                 delobj(otmp);
 188                                 continue;
 189                         }
 190                         otmp->ox = rx;
 191                         otmp->oy = ry;
 192                         if(cansee(rx,ry)) atl(rx,ry,otmp->olet);
 193                         if(Invisible) newsym(u.ux+u.dx, u.uy+u.dy);
 194
 195                         { static long lastmovetime;
 196                         /* note: this var contains garbage initially and
 197                            after a restore */
 198                         if(moves > lastmovetime+2 || moves < lastmovetime)
 199                         pline("With great effort you move the enormous rock.");
 200                         lastmovetime = moves;
 201                         }
 202                 } else {
 203                     pline("You try to move the enormous rock, but in vain.");
 204             cannot_push:
 205                     if((!invent || inv_weight()+90 <= 0) &&
 206                         (!u.dx || !u.dy || (IS_ROCK(levl[u.ux][u.uy+u.dy].typ)
 207                                         && IS_ROCK(levl[u.ux+u.dx][u.uy].typ)))){
 208                         pline("However, you can squeeze yourself into a small opening.");
 209                         break;
 210                     } else
 211                         return;
 212                 }
 213             }
 214         if(u.dx && u.dy && IS_ROCK(levl[u.ux][u.uy+u.dy].typ) &&
 215                 IS_ROCK(levl[u.ux+u.dx][u.uy].typ) &&
 216                 invent && inv_weight()+40 > 0) {
 217                 pline("You are carrying too much to get through.");
 218                 nomul(0);
 219                 return;
 220         }
 221         if(Punished &&
 222            DIST(u.ux+u.dx, u.uy+u.dy, uchain->ox, uchain->oy) > 2){
 223                 if(carried(uball)) {
 224                         movobj(uchain, u.ux, u.uy);
 225                         goto nodrag;
 226                 }
 227
 228                 if(DIST(u.ux+u.dx, u.uy+u.dy, uball->ox, uball->oy) < 3){
 229                         /* leave ball, move chain under/over ball */
 230                         movobj(uchain, uball->ox, uball->oy);
 231                         goto nodrag;
 232                 }
 233
 234                 if(inv_weight() + (int) uball->owt/2 > 0) {
 235                         pline("You cannot %sdrag the heavy iron ball.",
 236                         invent ? "carry all that and also " : "");
 237                         nomul(0);
 238                         return;
 239                 }
 240
 241                 movobj(uball, uchain->ox, uchain->oy);
 242                 unpobj(uball);          /* BAH %% */
 243                 uchain->ox = u.ux;
 244                 uchain->oy = u.uy;
 245                 nomul(-2);
 246                 nomovemsg = "";
 247         nodrag: ;
 248         }
 249         u.ux += u.dx;
 250         u.uy += u.dy;
 251         if(flags.run) {
 252                 if(tmpr->typ == DOOR ||
 253                 (xupstair == u.ux && yupstair == u.uy) ||
 254                 (xdnstair == u.ux && ydnstair == u.uy))
 255                         nomul(0);
 256         }
 257
 258         if(tmpr->typ == POOL && !Levitation)
 259                 drown();        /* not necessarily fatal */
 260
 261         if(!Blind) {
 262 #ifdef QUEST
 263                 setsee();
 264 #else
 265                 if(ust->lit) {
 266                         if(tmpr->lit) {
 267                                 if(tmpr->typ == DOOR)
 268                                         prl1(u.ux+u.dx,u.uy+u.dy);
 269                                 else if(ust->typ == DOOR)
 270                                         nose1(oldx-u.dx,oldy-u.dy);
 271                         } else {
 272                                 unsee();
 273                                 prl1(u.ux+u.dx,u.uy+u.dy);
 274                         }
 275                 } else {
 276                         if(tmpr->lit) setsee();
 277                         else {
 278                                 prl1(u.ux+u.dx,u.uy+u.dy);
 279                                 if(tmpr->typ == DOOR) {
 280                                         if(u.dy) {
 281                                                 prl(u.ux-1,u.uy);
 282                                                 prl(u.ux+1,u.uy);
 283                                         } else {
 284                                                 prl(u.ux,u.uy-1);
 285                                                 prl(u.ux,u.uy+1);
 286                                         }
 287                                 }
 288                         }
 289                         nose1(oldx-u.dx,oldy-u.dy);
 290                 }
 291 #endif /* QUEST */
 292         } else {
 293                 pru();
 294         }
 295         if(!flags.nopick) pickup(1);
 296         if(trap) dotrap(trap);          /* fall into pit, arrow trap, etc. */
 297         inshop();
 298         if(!Blind) read_engr_at(u.ux,u.uy);
 299 }
 300
 301 static void
 302 movobj(struct obj *obj, int ox, int oy)
 303 {
 304         /* Some dirty programming to get display right */
 305         freeobj(obj);
 306         unpobj(obj);
 307         obj->nobj = fobj;
 308         fobj = obj;
 309         obj->ox = ox;
 310         obj->oy = oy;
 311 }
 312
 313 int
 314 dopickup(void)
 315 {
 316         if(!g_at(u.ux,u.uy) && !o_at(u.ux,u.uy)) {
 317                 pline("There is nothing here to pick up.");
 318                 return(0);
 319         }
 320         if(Levitation) {
 321                 pline("You cannot reach the floor.");
 322                 return(1);
 323         }
 324         pickup(0);
 325         return(1);
 326 }
 327
 328 void
 329 pickup(int all)
 330 {
 331         struct gold *gold;
 332         struct obj *obj, *obj2;
 333         int wt;
 334
 335         if(Levitation) return;
 336         while((gold = g_at(u.ux,u.uy))) {
 337                 pline("%ld gold piece%s.", gold->amount, plur(gold->amount));
 338                 u.ugold += gold->amount;
 339                 flags.botl = 1;
 340                 freegold(gold);
 341                 if(flags.run) nomul(0);
 342                 if(Invisible) newsym(u.ux,u.uy);
 343         }
 344
 345         /* check for more than one object */
 346         if(!all) {
 347                 int ct = 0;
 348
 349                 for(obj = fobj; obj; obj = obj->nobj)
 350                         if(obj->ox == u.ux && obj->oy == u.uy)
 351                                 if(!Punished || obj != uchain)
 352                                         ct++;
 353                 if(ct < 2)
 354                         all++;
 355                 else
 356                         pline("There are several objects here.");
 357         }
 358
 359         for(obj = fobj; obj; obj = obj2) {
 360             obj2 = obj->nobj;   /* perhaps obj will be picked up */
 361             if(obj->ox == u.ux && obj->oy == u.uy) {
 362                 if(flags.run) nomul(0);
 363
 364                 /* do not pick up uchain */
 365                 if(Punished && obj == uchain)
 366                         continue;
 367
 368                 if(!all) {
 369                         char c;
 370
 371                         pline("Pick up %s ? [ynaq]", doname(obj));
 372                         while(!index("ynaq ", (c = readchar())))
 373                                 bell();
 374                         if(c == 'q') return;
 375                         if(c == 'n') continue;
 376                         if(c == 'a') all = 1;
 377                 }
 378
 379                 if(obj->otyp == DEAD_COCKATRICE && !uarmg){
 380                     pline("Touching the dead cockatrice is a fatal mistake.");
 381                     pline("You turn to stone.");
 382                     killer = "cockatrice cadaver";
 383                     done("died");
 384                 }
 385
 386                 if(obj->otyp == SCR_SCARE_MONSTER){
 387                   if(!obj->spe) obj->spe = 1;
 388                   else {
 389                     /* Note: perhaps the 1st pickup failed: you cannot
 390                         carry anymore, and so we never dropped it -
 391                         let's assume that treading on it twice also
 392                         destroys the scroll */
 393                     pline("The scroll turns to dust as you pick it up.");
 394                     delobj(obj);
 395                     continue;
 396                   }
 397                 }
 398
 399                 wt = inv_weight() + obj->owt;
 400                 if(wt > 0) {
 401                         if(obj->quan > 1) {
 402                                 /* see how many we can lift */
 403                                 int savequan = obj->quan;
 404                                 int iw = inv_weight();
 405                                 int qq;
 406                                 for(qq = 1; qq < savequan; qq++){
 407                                         obj->quan = qq;
 408                                         if(iw + weight(obj) > 0)
 409                                                 break;
 410                                 }
 411                                 obj->quan = savequan;
 412                                 qq--;
 413                                 /* we can carry qq of them */
 414                                 if(!qq) goto too_heavy;
 415                         pline("You can only carry %s of the %s lying here.",
 416                                         (qq == 1) ? "one" : "some",
 417                                         doname(obj));
 418                                 splitobj(obj, qq);
 419                                 /* note: obj2 is set already, so we'll never
 420                                  * encounter the other half; if it should be
 421                                  * otherwise then write
 422                                  *      obj2 = splitobj(obj,qq);
 423                                  */
 424                                 goto lift_some;
 425                         }
 426                 too_heavy:
 427                         pline("There %s %s here, but %s.",
 428                                 (obj->quan == 1) ? "is" : "are",
 429                                 doname(obj),
 430                                 !invent ? "it is too heavy for you to lift"
 431                                         : "you cannot carry anymore");
 432                         break;
 433                 }
 434         lift_some:
 435                 if(inv_cnt() >= 52) {
 436                     pline("Your knapsack cannot accomodate anymore items.");
 437                     break;
 438                 }
 439                 if(wt > -5) pline("You have a little trouble lifting");
 440                 freeobj(obj);
 441                 if(Invisible) newsym(u.ux,u.uy);
 442                 addtobill(obj);       /* sets obj->unpaid if necessary */
 443                 { int pickquan = obj->quan;
 444                   int mergquan;
 445                 if(!Blind) obj->dknown = 1;     /* this is done by prinv(),
 446                                  but addinv() needs it already for merging */
 447                 obj = addinv(obj);    /* might merge it with other objects */
 448                   mergquan = obj->quan;
 449                   obj->quan = pickquan; /* to fool prinv() */
 450                 prinv(obj);
 451                   obj->quan = mergquan;
 452                 }
 453             }
 454         }
 455 }
 456
 457 /* stop running if we see something interesting */
 458 /* turn around a corner if that is the only way we can proceed */
 459 /* do not turn left or right twice */
 460 void
 461 lookaround(void)
 462 {
 463 int x,y,i,x0,y0,m0,i0 = 9;
 464 int corrct = 0, noturn = 0;
 465 struct monst *mtmp;
 466         /* suppress "used before set" message */
 467         x0 = y0 = m0 = 0;
 468         if(Blind || flags.run == 0) return;
 469         if(flags.run == 1 && levl[u.ux][u.uy].typ == ROOM) return;
 470 #ifdef QUEST
 471         if(u.ux0 == u.ux+u.dx && u.uy0 == u.uy+u.dy) goto stop;
 472 #endif /* QUEST */
 473         for(x = u.ux-1; x <= u.ux+1; x++) for(y = u.uy-1; y <= u.uy+1; y++){
 474                 if(x == u.ux && y == u.uy) continue;
 475                 if(!levl[x][y].typ) continue;
 476                 if((mtmp = m_at(x,y)) && !mtmp->mimic &&
 477                     (!mtmp->minvis || See_invisible)){
 478                         if(!mtmp->mtame || (x == u.ux+u.dx && y == u.uy+u.dy))
 479                                 goto stop;
 480                 } else mtmp = 0; /* invisible M cannot influence us */
 481                 if(x == u.ux-u.dx && y == u.uy-u.dy) continue;
 482                 switch(levl[x][y].scrsym){
 483                 case '|':
 484                 case '-':
 485                 case '.':
 486                 case ' ':
 487                         break;
 488                 case '+':
 489                         if(x != u.ux && y != u.uy) break;
 490                         if(flags.run != 1) goto stop;
 491                         /* fall into next case */
 492                 case CORR_SYM:
 493                 corr:
 494                         if(flags.run == 1 || flags.run == 3) {
 495                                 i = DIST(x,y,u.ux+u.dx,u.uy+u.dy);
 496                                 if(i > 2) break;
 497                                 if(corrct == 1 && DIST(x,y,x0,y0) != 1)
 498                                         noturn = 1;
 499                                 if(i < i0) {
 500                                         i0 = i;
 501                                         x0 = x;
 502                                         y0 = y;
 503                                         m0 = mtmp ? 1 : 0;
 504                                 }
 505                         }
 506                         corrct++;
 507                         break;
 508                 case '^':
 509                         if(flags.run == 1) goto corr;   /* if you must */
 510                         if(x == u.ux+u.dx && y == u.uy+u.dy) goto stop;
 511                         break;
 512                 default:        /* e.g. objects or trap or stairs */
 513                         if(flags.run == 1) goto corr;
 514                         if(mtmp) break;         /* d */
 515                 stop:
 516                         nomul(0);
 517                         return;
 518                 }
 519         }
 520 #ifdef QUEST
 521         if(corrct > 0 && (flags.run == 4 || flags.run == 5)) goto stop;
 522 #endif /* QUEST */
 523         if(corrct > 1 && flags.run == 2) goto stop;
 524         if((flags.run == 1 || flags.run == 3) && !noturn && !m0 && i0 &&
 525                 (corrct == 1 || (corrct == 2 && i0 == 1))) {
 526                 /* make sure that we do not turn too far */
 527                 if(i0 == 2) {
 528                     if(u.dx == y0-u.uy && u.dy == u.ux-x0)
 529                         i = 2;          /* straight turn right */
 530                     else
 531                         i = -2;         /* straight turn left */
 532                 } else if(u.dx && u.dy) {
 533                     if((u.dx == u.dy && y0 == u.uy) ||
 534                         (u.dx != u.dy && y0 != u.uy))
 535                         i = -1;         /* half turn left */
 536                     else
 537                         i = 1;          /* half turn right */
 538                 } else {
 539                     if((x0-u.ux == y0-u.uy && !u.dy) ||
 540                         (x0-u.ux != y0-u.uy && u.dy))
 541                         i = 1;          /* half turn right */
 542                     else
 543                         i = -1;         /* half turn left */
 544                 }
 545                 i += u.last_str_turn;
 546                 if(i <= 2 && i >= -2) {
 547                         u.last_str_turn = i;
 548                         u.dx = x0-u.ux, u.dy = y0-u.uy;
 549                 }
 550         }
 551 }
 552
 553 /* something like lookaround, but we are not running */
 554 /* react only to monsters that might hit us */
 555 bool
 556 monster_nearby(void)
 557 {
 558 int x,y;
 559 struct monst *mtmp;
 560         if(!Blind)
 561         for(x = u.ux-1; x <= u.ux+1; x++) for(y = u.uy-1; y <= u.uy+1; y++){
 562                 if(x == u.ux && y == u.uy) continue;
 563                 if((mtmp = m_at(x,y)) && !mtmp->mimic && !mtmp->mtame &&
 564                         !mtmp->mpeaceful && !index("Ea", mtmp->data->mlet) &&
 565                         !mtmp->mfroz && !mtmp->msleep &&  /* aplvax!jcn */
 566                         (!mtmp->minvis || See_invisible))
 567                         return(1);
 568         }
 569         return(0);
 570 }
 571
 572 #ifdef QUEST
 573 bool
 574 cansee(xchar x, xchar y)
 575 {
 576 int dx,dy,adx,ady,sdx,sdy,dmax,d;
 577         if(Blind) return(0);
 578         if(!isok(x,y)) return(0);
 579         d = dist(x,y);
 580         if(d < 3) return(1);
 581         if(d > u.uhorizon*u.uhorizon) return(0);
 582         if(!levl[x][y].lit)
 583                 return(0);
 584         dx = x - u.ux;  adx = abs(dx);  sdx = sgn(dx);
 585         dy = y - u.uy;  ady = abs(dy);  sdy = sgn(dy);
 586         if(dx == 0 || dy == 0 || adx == ady){
 587                 dmax = (dx == 0) ? ady : adx;
 588                 for(d = 1; d <= dmax; d++)
 589                         if(!rroom(sdx*d,sdy*d))
 590                                 return(0);
 591                 return(1);
 592         } else if(ady > adx){
 593                 for(d = 1; d <= ady; d++){
 594                         if(!rroom(sdx*( (d*adx)/ady ), sdy*d) ||
 595                            !rroom(sdx*( (d*adx-1)/ady+1 ), sdy*d))
 596                                 return(0);
 597                 }
 598                 return(1);
 599         } else {
 600                 for(d = 1; d <= adx; d++){
 601                         if(!rroom(sdx*d, sdy*( (d*ady)/adx )) ||
 602                            !rroom(sdx*d, sdy*( (d*ady-1)/adx+1 )))
 603                                 return(0);
 604                 }
 605                 return(1);
 606         }
 607 }
 608
 609 static bool
 610 rroom(int x, int y)
 611 {
 612         return(IS_ROOM(levl[u.ux+x][u.uy+y].typ));
 613 }
 614
 615 #else
 616
 617 bool
 618 cansee(xchar x, xchar y)
 619 {
 620         if(Blind || u.uswallow) return(0);
 621         if(dist(x,y) < 3) return(1);
 622         if(levl[x][y].lit && seelx <= x && x <= seehx && seely <= y &&
 623                 y <= seehy) return(1);
 624         return(0);
 625 }
 626 #endif /* QUEST */
 627
 628 int
 629 sgn(int a)
 630 {
 631         return((a > 0) ? 1 : (a == 0) ? 0 : -1);
 632 }
 633
 634 #ifdef QUEST
 635 void
 636 setsee(void)
 637 {
 638         x,y;
 639
 640         if(Blind) {
 641                 pru();
 642                 return;
 643         }
 644         for(y = u.uy-u.uhorizon; y <= u.uy+u.uhorizon; y++)
 645                 for(x = u.ux-u.uhorizon; x <= u.ux+u.uhorizon; x++) {
 646                         if(cansee(x,y))
 647                                 prl(x,y);
 648         }
 649 }
 650
 651 #else
 652
 653 void
 654 setsee(void)
 655 {
 656         int x,y;
 657
 658         if(Blind) {
 659                 pru();
 660                 return;
 661         }
 662         if(!levl[u.ux][u.uy].lit) {
 663                 seelx = u.ux-1;
 664                 seehx = u.ux+1;
 665                 seely = u.uy-1;
 666                 seehy = u.uy+1;
 667         } else {
 668                 for(seelx = u.ux; levl[seelx-1][u.uy].lit; seelx--);
 669                 for(seehx = u.ux; levl[seehx+1][u.uy].lit; seehx++);
 670                 for(seely = u.uy; levl[u.ux][seely-1].lit; seely--);
 671                 for(seehy = u.uy; levl[u.ux][seehy+1].lit; seehy++);
 672         }
 673         for(y = seely; y <= seehy; y++)
 674                 for(x = seelx; x <= seehx; x++) {
 675                         prl(x,y);
 676         }
 677         if(!levl[u.ux][u.uy].lit) seehx = 0; /* seems necessary elsewhere */
 678         else {
 679             if(seely == u.uy) for(x = u.ux-1; x <= u.ux+1; x++) prl(x,seely-1);
 680             if(seehy == u.uy) for(x = u.ux-1; x <= u.ux+1; x++) prl(x,seehy+1);
 681             if(seelx == u.ux) for(y = u.uy-1; y <= u.uy+1; y++) prl(seelx-1,y);
 682             if(seehx == u.ux) for(y = u.uy-1; y <= u.uy+1; y++) prl(seehx+1,y);
 683         }
 684 }
 685 #endif /* QUEST */
 686
 687 void
 688 nomul(int nval)
 689 {
 690         if(multi < 0) return;
 691         multi = nval;
 692         flags.mv = flags.run = 0;
 693 }
 694
 695 int
 696 abon(void)
 697 {
 698         if(u.ustr == 3) return(-3);
 699         else if(u.ustr < 6) return(-2);
 700         else if(u.ustr < 8) return(-1);
 701         else if(u.ustr < 17) return(0);
 702         else if(u.ustr < 69) return(1); /* up to 18/50 */
 703         else if(u.ustr < 118) return(2);
 704         else return(3);
 705 }
 706
 707 int
 708 dbon(void)
 709 {
 710         if(u.ustr < 6) return(-1);
 711         else if(u.ustr < 16) return(0);
 712         else if(u.ustr < 18) return(1);
 713         else if(u.ustr == 18) return(2);        /* up to 18 */
 714         else if(u.ustr < 94) return(3);         /* up to 18/75 */
 715         else if(u.ustr < 109) return(4);        /* up to 18/90 */
 716         else if(u.ustr < 118) return(5);        /* up to 18/99 */
 717         else return(6);
 718 }
 719
 720 void
 721 losestr(int num)        /* may kill you; cause may be poison or monster like 'A' */
 722 {
 723         u.ustr -= num;
 724         while(u.ustr < 3) {
 725                 u.ustr++;
 726                 u.uhp -= 6;
 727                 u.uhpmax -= 6;
 728         }
 729         flags.botl = 1;
 730 }
 731
 732 void
 733 losehp(int n, const char *knam)
 734 {
 735         u.uhp -= n;
 736         if(u.uhp > u.uhpmax)
 737                 u.uhpmax = u.uhp;       /* perhaps n was negative */
 738         flags.botl = 1;
 739         if(u.uhp < 1) {
 740                 killer = knam;  /* the thing that killed you */
 741                 done("died");
 742         }
 743 }
 744
 745 void
 746 losehp_m(int n, struct monst *mtmp)
 747 {
 748         u.uhp -= n;
 749         flags.botl = 1;
 750         if(u.uhp < 1)
 751                 done_in_by(mtmp);
 752 }
 753
 754 void
 755 losexp(void)    /* hit by V or W */
 756 {
 757         int num;
 758
 759         if(u.ulevel > 1)
 760                 pline("Goodbye level %u.", u.ulevel--);
 761         else
 762                 u.uhp = -1;
 763         num = rnd(10);
 764         u.uhp -= num;
 765         u.uhpmax -= num;
 766         u.uexp = newuexp();
 767         flags.botl = 1;
 768 }
 769
 770 int
 771 inv_weight(void)
 772 {
 773 struct obj *otmp = invent;
 774 int wt = (u.ugold + 500)/1000;
 775 int carrcap;
 776         if(Levitation)                  /* pugh@cornell */
 777                 carrcap = MAX_CARR_CAP;
 778         else {
 779                 carrcap = 5*(((u.ustr > 18) ? 20 : u.ustr) + u.ulevel);
 780                 if(carrcap > MAX_CARR_CAP) carrcap = MAX_CARR_CAP;
 781                 if(Wounded_legs & LEFT_SIDE) carrcap -= 10;
 782                 if(Wounded_legs & RIGHT_SIDE) carrcap -= 10;
 783         }
 784         while(otmp){
 785                 wt += otmp->owt;
 786                 otmp = otmp->nobj;
 787         }
 788         return(wt - carrcap);
 789 }
 790
 791 static int
 792 inv_cnt(void)
 793 {
 794 struct obj *otmp = invent;
 795 int ct = 0;
 796         while(otmp){
 797                 ct++;
 798                 otmp = otmp->nobj;
 799         }
 800         return(ct);
 801 }
 802
 803 long
 804 newuexp(void)
 805 {
 806         return(10*(1L << (u.ulevel-1)));
 807 }