hack/hack.mon.c

   1 /*
   2  * Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985.
   3  */
   4
   5 #ifndef lint
   6 static char rcsid[] = "$NetBSD: hack.mon.c,v 1.3 1995/03/23 08:30:57 cgd Exp $";
   7 #endif /* not lint */
   8
   9 #include "hack.h"
  10 #include "hack.mfndpos.h"
  11
  12 #ifndef NULL
  13 #define NULL    (char *) 0
  14 #endif
  15
  16 extern struct monst *makemon();
  17 extern struct obj *mkobj_at();
  18
  19 int warnlevel;          /* used by movemon and dochugw */
  20 long lastwarntime;
  21 int lastwarnlev;
  22 char *warnings[] = {
  23         "white", "pink", "red", "ruby", "purple", "black"
  24 };
  25
  26 movemon()
  27 {
  28         register struct monst *mtmp;
  29         register int fr;
  30
  31         warnlevel = 0;
  32
  33         while(1) {
  34                 /* find a monster that we haven't treated yet */
  35                 /* note that mtmp or mtmp->nmon might get killed
  36                    while mtmp moves, so we cannot just walk down the
  37                    chain (even new monsters might get created!) */
  38                 for(mtmp = fmon; mtmp; mtmp = mtmp->nmon)
  39                         if(mtmp->mlstmv < moves) goto next_mon;
  40                 /* treated all monsters */
  41                 break;
  42
  43         next_mon:
  44                 mtmp->mlstmv = moves;
  45
  46                 /* most monsters drown in pools */
  47                 { boolean inpool, iseel;
  48
  49                   inpool = (levl[mtmp->mx][mtmp->my].typ == POOL);
  50                   iseel = (mtmp->data->mlet == ';');
  51                   if(inpool && !iseel) {
  52                         if(cansee(mtmp->mx,mtmp->my))
  53                             pline("%s drowns.", Monnam(mtmp));
  54                         mondead(mtmp);
  55                         continue;
  56                   }
  57                 /* but eels have a difficult time outside */
  58                   if(iseel && !inpool) {
  59                         if(mtmp->mhp > 1) mtmp->mhp--;
  60                         mtmp->mflee = 1;
  61                         mtmp->mfleetim += 2;
  62                   }
  63                 }
  64                 if(mtmp->mblinded && !--mtmp->mblinded)
  65                         mtmp->mcansee = 1;
  66                 if(mtmp->mfleetim && !--mtmp->mfleetim)
  67                         mtmp->mflee = 0;
  68                 if(mtmp->mimic) continue;
  69                 if(mtmp->mspeed != MSLOW || !(moves%2)){
  70                         /* continue if the monster died fighting */
  71                         fr = -1;
  72                         if(Conflict && cansee(mtmp->mx,mtmp->my)
  73                                 && (fr = fightm(mtmp)) == 2)
  74                                 continue;
  75                         if(fr<0 && dochugw(mtmp))
  76                                 continue;
  77                 }
  78                 if(mtmp->mspeed == MFAST && dochugw(mtmp))
  79                         continue;
  80         }
  81
  82         warnlevel -= u.ulevel;
  83         if(warnlevel >= SIZE(warnings))
  84                 warnlevel = SIZE(warnings)-1;
  85         if(warnlevel >= 0)
  86         if(warnlevel > lastwarnlev || moves > lastwarntime + 5){
  87             register char *rr;
  88             switch(Warning & (LEFT_RING | RIGHT_RING)){
  89             case LEFT_RING:
  90                 rr = "Your left ring glows";
  91                 break;
  92             case RIGHT_RING:
  93                 rr = "Your right ring glows";
  94                 break;
  95             case LEFT_RING | RIGHT_RING:
  96                 rr = "Both your rings glow";
  97                 break;
  98             default:
  99                 rr = "Your fingertips glow";
 100                 break;
 101             }
 102             pline("%s %s!", rr, warnings[warnlevel]);
 103             lastwarntime = moves;
 104             lastwarnlev = warnlevel;
 105         }
 106
 107         dmonsfree();    /* remove all dead monsters */
 108 }
 109
 110 justswld(mtmp,name)
 111 register struct monst *mtmp;
 112 char *name;
 113 {
 114
 115         mtmp->mx = u.ux;
 116         mtmp->my = u.uy;
 117         u.ustuck = mtmp;
 118         pmon(mtmp);
 119         kludge("%s swallows you!",name);
 120         more();
 121         seeoff(1);
 122         u.uswallow = 1;
 123         u.uswldtim = 0;
 124         swallowed();
 125 }
 126
 127 youswld(mtmp,dam,die,name)
 128 register struct monst *mtmp;
 129 register dam,die;
 130 char *name;
 131 {
 132         if(mtmp != u.ustuck) return;
 133         kludge("%s digests you!",name);
 134         u.uhp -= dam;
 135         if(u.uswldtim++ >= die){        /* a3 */
 136                 pline("It totally digests you!");
 137                 u.uhp = -1;
 138         }
 139         if(u.uhp < 1) done_in_by(mtmp);
 140         /* flags.botlx = 1;             /* should we show status line ? */
 141 }
 142
 143 dochugw(mtmp) register struct monst *mtmp; {
 144 register x = mtmp->mx;
 145 register y = mtmp->my;
 146 register d = dochug(mtmp);
 147 register dd;
 148         if(!d)          /* monster still alive */
 149         if(Warning)
 150         if(!mtmp->mpeaceful)
 151         if(mtmp->data->mlevel > warnlevel)
 152         if((dd = dist(mtmp->mx,mtmp->my)) < dist(x,y))
 153         if(dd < 100)
 154         if(!canseemon(mtmp))
 155                 warnlevel = mtmp->data->mlevel;
 156         return(d);
 157 }
 158
 159 /* returns 1 if monster died moving, 0 otherwise */
 160 dochug(mtmp)
 161 register struct monst *mtmp;
 162 {
 163         register struct permonst *mdat;
 164         register tmp, nearby, scared;
 165
 166         if(mtmp->cham && !rn2(6))
 167                 (void) newcham(mtmp, &mons[dlevel+14+rn2(CMNUM-14-dlevel)]);
 168         mdat = mtmp->data;
 169         if(mdat->mlevel < 0)
 170                 panic("bad monster %c (%d)",mdat->mlet,mdat->mlevel);
 171
 172         /* regenerate monsters */
 173         if((!(moves%20) || index(MREGEN, mdat->mlet)) &&
 174             mtmp->mhp < mtmp->mhpmax)
 175                 mtmp->mhp++;
 176
 177         if(mtmp->mfroz) return(0); /* frozen monsters don't do anything */
 178
 179         if(mtmp->msleep) {
 180                 /* wake up, or get out of here. */
 181                 /* ettins are hard to surprise */
 182                 /* Nymphs and Leprechauns do not easily wake up */
 183                 if(cansee(mtmp->mx,mtmp->my) &&
 184                         (!Stealth || (mdat->mlet == 'e' && rn2(10))) &&
 185                         (!index("NL",mdat->mlet) || !rn2(50)) &&
 186                         (Aggravate_monster || index("d1", mdat->mlet)
 187                                 || (!rn2(7) && !mtmp->mimic)))
 188                         mtmp->msleep = 0;
 189                 else return(0);
 190         }
 191
 192         /* not frozen or sleeping: wipe out texts written in the dust */
 193         wipe_engr_at(mtmp->mx, mtmp->my, 1);
 194
 195         /* confused monsters get unconfused with small probability */
 196         if(mtmp->mconf && !rn2(50)) mtmp->mconf = 0;
 197
 198         /* some monsters teleport */
 199         if(mtmp->mflee && index("tNL", mdat->mlet) && !rn2(40)){
 200                 rloc(mtmp);
 201                 return(0);
 202         }
 203         if(mdat->mmove < rnd(6)) return(0);
 204
 205         /* fleeing monsters might regain courage */
 206         if(mtmp->mflee && !mtmp->mfleetim
 207             && mtmp->mhp == mtmp->mhpmax && !rn2(25))
 208                 mtmp->mflee = 0;
 209
 210         nearby = (dist(mtmp->mx, mtmp->my) < 3);
 211         scared = (nearby && (sengr_at("Elbereth", u.ux, u.uy) ||
 212                         sobj_at(SCR_SCARE_MONSTER, u.ux, u.uy)));
 213         if(scared && !mtmp->mflee) {
 214                 mtmp->mflee = 1;
 215                 mtmp->mfleetim = (rn2(7) ? rnd(10) : rnd(100));
 216         }
 217
 218         if(!nearby ||
 219                 mtmp->mflee ||
 220                 mtmp->mconf ||
 221                 (mtmp->minvis && !rn2(3)) ||
 222                 (index("BIuy", mdat->mlet) && !rn2(4)) ||
 223                 (mdat->mlet == 'L' && !u.ugold && (mtmp->mgold || rn2(2))) ||
 224                 (!mtmp->mcansee && !rn2(4)) ||
 225                 mtmp->mpeaceful
 226            ) {
 227                 tmp = m_move(mtmp,0);   /* 2: monster died moving */
 228                 if(tmp == 2 || (tmp && mdat->mmove <= 12))
 229                         return(tmp == 2);
 230         }
 231
 232         if(!index("Ea", mdat->mlet) && nearby &&
 233          !mtmp->mpeaceful && u.uhp > 0 && !scared) {
 234                 if(mhitu(mtmp))
 235                         return(1);      /* monster died (e.g. 'y' or 'F') */
 236         }
 237         /* extra movement for fast monsters */
 238         if(mdat->mmove-12 > rnd(12)) tmp = m_move(mtmp,1);
 239         return(tmp == 2);
 240 }
 241
 242 m_move(mtmp,after)
 243 register struct monst *mtmp;
 244 {
 245         register struct monst *mtmp2;
 246         register nx,ny,omx,omy,appr,nearer,cnt,i,j;
 247         xchar gx,gy,nix,niy,chcnt;
 248         schar chi;
 249         boolean likegold, likegems, likeobjs;
 250         char msym = mtmp->data->mlet;
 251         schar mmoved = 0;       /* not strictly nec.: chi >= 0 will do */
 252         coord poss[9];
 253         int info[9];
 254
 255         if(mtmp->mfroz || mtmp->msleep)
 256                 return(0);
 257         if(mtmp->mtrapped) {
 258                 i = mintrap(mtmp);
 259                 if(i == 2) return(2);   /* he died */
 260                 if(i == 1) return(0);   /* still in trap, so didnt move */
 261         }
 262         if(mtmp->mhide && o_at(mtmp->mx,mtmp->my) && rn2(10))
 263                 return(0);              /* do not leave hiding place */
 264
 265 #ifndef NOWORM
 266         if(mtmp->wormno)
 267                 goto not_special;
 268 #endif NOWORM
 269
 270         /* my dog gets a special treatment */
 271         if(mtmp->mtame) {
 272                 return( dog_move(mtmp, after) );
 273         }
 274
 275         /* likewise for shopkeeper */
 276         if(mtmp->isshk) {
 277                 mmoved = shk_move(mtmp);
 278                 if(mmoved >= 0)
 279                         goto postmov;
 280                 mmoved = 0;             /* follow player outside shop */
 281         }
 282
 283         /* and for the guard */
 284         if(mtmp->isgd) {
 285                 mmoved = gd_move();
 286                 goto postmov;
 287         }
 288
 289 /* teleport if that lies in our nature ('t') or when badly wounded ('1') */
 290         if((msym == 't' && !rn2(5))
 291         || (msym == '1' && (mtmp->mhp < 7 || (!xdnstair && !rn2(5))
 292                 || levl[u.ux][u.uy].typ == STAIRS))) {
 293                 if(mtmp->mhp < 7 || (msym == 't' && rn2(2)))
 294                         rloc(mtmp);
 295                 else
 296                         mnexto(mtmp);
 297                 mmoved = 1;
 298                 goto postmov;
 299         }
 300
 301         /* spit fire ('D') or use a wand ('1') when appropriate */
 302         if(index("D1", msym))
 303                 inrange(mtmp);
 304
 305         if(msym == 'U' && !mtmp->mcan && canseemon(mtmp) &&
 306             mtmp->mcansee && rn2(5)) {
 307                 if(!Confusion)
 308                         pline("%s's gaze has confused you!", Monnam(mtmp));
 309                 else
 310                         pline("You are getting more and more confused.");
 311                 if(rn2(3)) mtmp->mcan = 1;
 312                 Confusion += d(3,4);            /* timeout */
 313         }
 314 not_special:
 315         if(!mtmp->mflee && u.uswallow && u.ustuck != mtmp) return(1);
 316         appr = 1;
 317         if(mtmp->mflee) appr = -1;
 318         if(mtmp->mconf || Invis ||  !mtmp->mcansee ||
 319                 (index("BIy", msym) && !rn2(3)))
 320                 appr = 0;
 321         omx = mtmp->mx;
 322         omy = mtmp->my;
 323         gx = u.ux;
 324         gy = u.uy;
 325         if(msym == 'L' && appr == 1 && mtmp->mgold > u.ugold)
 326                 appr = -1;
 327
 328         /* random criterion for 'smell' or track finding ability
 329            should use mtmp->msmell or sth
 330          */
 331         if(msym == '@' ||
 332           ('a' <= msym && msym <= 'z')) {
 333         extern coord *gettrack();
 334         register coord *cp;
 335         schar mroom;
 336                 mroom = inroom(omx,omy);
 337                 if(mroom < 0 || mroom != inroom(u.ux,u.uy)){
 338                     cp = gettrack(omx,omy);
 339                     if(cp){
 340                         gx = cp->x;
 341                         gy = cp->y;
 342                     }
 343                 }
 344         }
 345
 346         /* look for gold or jewels nearby */
 347         likegold = (index("LOD", msym) != NULL);
 348         likegems = (index("ODu", msym) != NULL);
 349         likeobjs = mtmp->mhide;
 350 #define SRCHRADIUS      25
 351         { xchar mind = SRCHRADIUS;              /* not too far away */
 352           register int dd;
 353           if(likegold){
 354                 register struct gold *gold;
 355                 for(gold = fgold; gold; gold = gold->ngold)
 356                   if((dd = DIST(omx,omy,gold->gx,gold->gy)) < mind){
 357                     mind = dd;
 358                     gx = gold->gx;
 359                     gy = gold->gy;
 360                 }
 361           }
 362           if(likegems || likeobjs){
 363                 register struct obj *otmp;
 364                 for(otmp = fobj; otmp; otmp = otmp->nobj)
 365                 if(likeobjs || otmp->olet == GEM_SYM)
 366                 if(msym != 'u' ||
 367                         objects[otmp->otyp].g_val != 0)
 368                 if((dd = DIST(omx,omy,otmp->ox,otmp->oy)) < mind){
 369                     mind = dd;
 370                     gx = otmp->ox;
 371                     gy = otmp->oy;
 372                 }
 373           }
 374           if(mind < SRCHRADIUS && appr == -1) {
 375                 if(dist(omx,omy) < 10) {
 376                     gx = u.ux;
 377                     gy = u.uy;
 378                 } else
 379                     appr = 1;
 380           }
 381         }
 382         nix = omx;
 383         niy = omy;
 384         cnt = mfndpos(mtmp,poss,info,
 385                 msym == 'u' ? NOTONL :
 386                 (msym == '@' || msym == '1') ? (ALLOW_SSM | ALLOW_TRAPS) :
 387                 index(UNDEAD, msym) ? NOGARLIC : ALLOW_TRAPS);
 388                 /* ALLOW_ROCK for some monsters ? */
 389         chcnt = 0;
 390         chi = -1;
 391         for(i=0; i<cnt; i++) {
 392                 nx = poss[i].x;
 393                 ny = poss[i].y;
 394                 for(j=0; j<MTSZ && j<cnt-1; j++)
 395                         if(nx == mtmp->mtrack[j].x && ny == mtmp->mtrack[j].y)
 396                                 if(rn2(4*(cnt-j))) goto nxti;
 397 #ifdef STUPID
 398                 /* some stupid compilers think that this is too complicated */
 399                 { int d1 = DIST(nx,ny,gx,gy);
 400                   int d2 = DIST(nix,niy,gx,gy);
 401                   nearer = (d1 < d2);
 402                 }
 403 #else
 404                 nearer = (DIST(nx,ny,gx,gy) < DIST(nix,niy,gx,gy));
 405 #endif STUPID
 406                 if((appr == 1 && nearer) || (appr == -1 && !nearer) ||
 407                         !mmoved ||
 408                         (!appr && !rn2(++chcnt))){
 409                         nix = nx;
 410                         niy = ny;
 411                         chi = i;
 412                         mmoved = 1;
 413                 }
 414         nxti:   ;
 415         }
 416         if(mmoved){
 417                 if(info[chi] & ALLOW_M){
 418                         mtmp2 = m_at(nix,niy);
 419                         if(hitmm(mtmp,mtmp2) == 1 && rn2(4) &&
 420                           hitmm(mtmp2,mtmp) == 2) return(2);
 421                         return(0);
 422                 }
 423                 if(info[chi] & ALLOW_U){
 424                   (void) hitu(mtmp, d(mtmp->data->damn, mtmp->data->damd)+1);
 425                   return(0);
 426                 }
 427                 mtmp->mx = nix;
 428                 mtmp->my = niy;
 429                 for(j=MTSZ-1; j>0; j--) mtmp->mtrack[j] = mtmp->mtrack[j-1];
 430                 mtmp->mtrack[0].x = omx;
 431                 mtmp->mtrack[0].y = omy;
 432 #ifndef NOWORM
 433                 if(mtmp->wormno) worm_move(mtmp);
 434 #endif NOWORM
 435         } else {
 436                 if(msym == 'u' && rn2(2)){
 437                         rloc(mtmp);
 438                         return(0);
 439                 }
 440 #ifndef NOWORM
 441                 if(mtmp->wormno) worm_nomove(mtmp);
 442 #endif NOWORM
 443         }
 444 postmov:
 445         if(mmoved == 1) {
 446                 if(mintrap(mtmp) == 2)  /* he died */
 447                         return(2);
 448                 if(likegold) mpickgold(mtmp);
 449                 if(likegems) mpickgems(mtmp);
 450                 if(mtmp->mhide) mtmp->mundetected = 1;
 451         }
 452         pmon(mtmp);
 453         return(mmoved);
 454 }
 455
 456 mpickgold(mtmp) register struct monst *mtmp; {
 457 register struct gold *gold;
 458         while(gold = g_at(mtmp->mx, mtmp->my)){
 459                 mtmp->mgold += gold->amount;
 460                 freegold(gold);
 461                 if(levl[mtmp->mx][mtmp->my].scrsym == '$')
 462                         newsym(mtmp->mx, mtmp->my);
 463         }
 464 }
 465
 466 mpickgems(mtmp) register struct monst *mtmp; {
 467 register struct obj *otmp;
 468         for(otmp = fobj; otmp; otmp = otmp->nobj)
 469         if(otmp->olet == GEM_SYM)
 470         if(otmp->ox == mtmp->mx && otmp->oy == mtmp->my)
 471         if(mtmp->data->mlet != 'u' || objects[otmp->otyp].g_val != 0){
 472                 freeobj(otmp);
 473                 mpickobj(mtmp, otmp);
 474                 if(levl[mtmp->mx][mtmp->my].scrsym == GEM_SYM)
 475                         newsym(mtmp->mx, mtmp->my);     /* %% */
 476                 return; /* pick only one object */
 477         }
 478 }
 479
 480 /* return number of acceptable neighbour positions */
 481 mfndpos(mon,poss,info,flag)
 482 register struct monst *mon;
 483 coord poss[9];
 484 int info[9], flag;
 485 {
 486         register int x,y,nx,ny,cnt = 0,ntyp;
 487         register struct monst *mtmp;
 488         int nowtyp;
 489         boolean pool;
 490
 491         x = mon->mx;
 492         y = mon->my;
 493         nowtyp = levl[x][y].typ;
 494
 495         pool = (mon->data->mlet == ';');
 496 nexttry:        /* eels prefer the water, but if there is no water nearby,
 497                    they will crawl over land */
 498         if(mon->mconf) {
 499                 flag |= ALLOW_ALL;
 500                 flag &= ~NOTONL;
 501         }
 502         for(nx = x-1; nx <= x+1; nx++) for(ny = y-1; ny <= y+1; ny++)
 503         if(nx != x || ny != y) if(isok(nx,ny))
 504         if(!IS_ROCK(ntyp = levl[nx][ny].typ))
 505         if(!(nx != x && ny != y && (nowtyp == DOOR || ntyp == DOOR)))
 506         if((ntyp == POOL) == pool) {
 507                 info[cnt] = 0;
 508                 if(nx == u.ux && ny == u.uy){
 509                         if(!(flag & ALLOW_U)) continue;
 510                         info[cnt] = ALLOW_U;
 511                 } else if(mtmp = m_at(nx,ny)){
 512                         if(!(flag & ALLOW_M)) continue;
 513                         info[cnt] = ALLOW_M;
 514                         if(mtmp->mtame){
 515                                 if(!(flag & ALLOW_TM)) continue;
 516                                 info[cnt] |= ALLOW_TM;
 517                         }
 518                 }
 519                 if(sobj_at(CLOVE_OF_GARLIC, nx, ny)) {
 520                         if(flag & NOGARLIC) continue;
 521                         info[cnt] |= NOGARLIC;
 522                 }
 523                 if(sobj_at(SCR_SCARE_MONSTER, nx, ny) ||
 524                    (!mon->mpeaceful && sengr_at("Elbereth", nx, ny))) {
 525                         if(!(flag & ALLOW_SSM)) continue;
 526                         info[cnt] |= ALLOW_SSM;
 527                 }
 528                 if(sobj_at(ENORMOUS_ROCK, nx, ny)) {
 529                         if(!(flag & ALLOW_ROCK)) continue;
 530                         info[cnt] |= ALLOW_ROCK;
 531                 }
 532                 if(!Invis && online(nx,ny)){
 533                         if(flag & NOTONL) continue;
 534                         info[cnt] |= NOTONL;
 535                 }
 536                 /* we cannot avoid traps of an unknown kind */
 537                 { register struct trap *ttmp = t_at(nx, ny);
 538                   register int tt;
 539                         if(ttmp) {
 540                                 tt = 1 << ttmp->ttyp;
 541                                 if(mon->mtrapseen & tt){
 542                                         if(!(flag & tt)) continue;
 543                                         info[cnt] |= tt;
 544                                 }
 545                         }
 546                 }
 547                 poss[cnt].x = nx;
 548                 poss[cnt].y = ny;
 549                 cnt++;
 550         }
 551         if(!cnt && pool && nowtyp != POOL) {
 552                 pool = FALSE;
 553                 goto nexttry;
 554         }
 555         return(cnt);
 556 }
 557
 558 dist(x,y) int x,y; {
 559         return((x-u.ux)*(x-u.ux) + (y-u.uy)*(y-u.uy));
 560 }
 561
 562 poisoned(string, pname)
 563 register char *string, *pname;
 564 {
 565         register int i;
 566
 567         if(Blind) pline("It was poisoned.");
 568         else pline("The %s was poisoned!",string);
 569         if(Poison_resistance) {
 570                 pline("The poison doesn't seem to affect you.");
 571                 return;
 572         }
 573         i = rn2(10);
 574         if(i == 0) {
 575                 u.uhp = -1;
 576                 pline("I am afraid the poison was deadly ...");
 577         } else if(i <= 5) {
 578                 losestr(rn1(3,3));
 579         } else {
 580                 losehp(rn1(10,6), pname);
 581         }
 582         if(u.uhp < 1) {
 583                 killer = pname;
 584                 done("died");
 585         }
 586 }
 587
 588 mondead(mtmp)
 589 register struct monst *mtmp;
 590 {
 591         relobj(mtmp,1);
 592         unpmon(mtmp);
 593         relmon(mtmp);
 594         unstuck(mtmp);
 595         if(mtmp->isshk) shkdead(mtmp);
 596         if(mtmp->isgd) gddead();
 597 #ifndef NOWORM
 598         if(mtmp->wormno) wormdead(mtmp);
 599 #endif NOWORM
 600         monfree(mtmp);
 601 }
 602
 603 /* called when monster is moved to larger structure */
 604 replmon(mtmp,mtmp2)
 605 register struct monst *mtmp, *mtmp2;
 606 {
 607         relmon(mtmp);
 608         monfree(mtmp);
 609         mtmp2->nmon = fmon;
 610         fmon = mtmp2;
 611         if(u.ustuck == mtmp) u.ustuck = mtmp2;
 612         if(mtmp2->isshk) replshk(mtmp,mtmp2);
 613         if(mtmp2->isgd) replgd(mtmp,mtmp2);
 614 }
 615
 616 relmon(mon)
 617 register struct monst *mon;
 618 {
 619         register struct monst *mtmp;
 620
 621         if(mon == fmon) fmon = fmon->nmon;
 622         else {
 623                 for(mtmp = fmon; mtmp->nmon != mon; mtmp = mtmp->nmon) ;
 624                 mtmp->nmon = mon->nmon;
 625         }
 626 }
 627
 628 /* we do not free monsters immediately, in order to have their name
 629    available shortly after their demise */
 630 struct monst *fdmon;    /* chain of dead monsters, need not to be saved */
 631
 632 monfree(mtmp) register struct monst *mtmp; {
 633         mtmp->nmon = fdmon;
 634         fdmon = mtmp;
 635 }
 636
 637 dmonsfree(){
 638 register struct monst *mtmp;
 639         while(mtmp = fdmon){
 640                 fdmon = mtmp->nmon;
 641                 free((char *) mtmp);
 642         }
 643 }
 644
 645 unstuck(mtmp)
 646 register struct monst *mtmp;
 647 {
 648         if(u.ustuck == mtmp) {
 649                 if(u.uswallow){
 650                         u.ux = mtmp->mx;
 651                         u.uy = mtmp->my;
 652                         u.uswallow = 0;
 653                         setsee();
 654                         docrt();
 655                 }
 656                 u.ustuck = 0;
 657         }
 658 }
 659
 660 killed(mtmp)
 661 register struct monst *mtmp;
 662 {
 663 #ifdef lint
 664 #define NEW_SCORING
 665 #endif lint
 666         register int tmp,tmp2,nk,x,y;
 667         register struct permonst *mdat;
 668         extern long newuexp();
 669
 670         if(mtmp->cham) mtmp->data = PM_CHAMELEON;
 671         mdat = mtmp->data;
 672         if(Blind) pline("You destroy it!");
 673         else {
 674                 pline("You destroy %s!",
 675                         mtmp->mtame ? amonnam(mtmp, "poor") : monnam(mtmp));
 676         }
 677         if(u.umconf) {
 678                 if(!Blind) pline("Your hands stop glowing blue.");
 679                 u.umconf = 0;
 680         }
 681
 682         /* count killed monsters */
 683 #define MAXMONNO        100
 684         nk = 1;               /* in case we cannot find it in mons */
 685         tmp = mdat - mons;    /* index in mons array (if not 'd', '@', ...) */
 686         if(tmp >= 0 && tmp < CMNUM+2) {
 687             extern char fut_geno[];
 688             u.nr_killed[tmp]++;
 689             if((nk = u.nr_killed[tmp]) > MAXMONNO &&
 690                 !index(fut_geno, mdat->mlet))
 691                     charcat(fut_geno,  mdat->mlet);
 692         }
 693
 694         /* punish bad behaviour */
 695         if(mdat->mlet == '@') Telepat = 0, u.uluck -= 2;
 696         if(mtmp->mpeaceful || mtmp->mtame) u.uluck--;
 697         if(mdat->mlet == 'u') u.uluck -= 5;
 698         if((int)u.uluck < LUCKMIN) u.uluck = LUCKMIN;
 699
 700         /* give experience points */
 701         tmp = 1 + mdat->mlevel * mdat->mlevel;
 702         if(mdat->ac < 3) tmp += 2*(7 - mdat->ac);
 703         if(index("AcsSDXaeRTVWU&In:P", mdat->mlet))
 704                 tmp += 2*mdat->mlevel;
 705         if(index("DeV&P",mdat->mlet)) tmp += (7*mdat->mlevel);
 706         if(mdat->mlevel > 6) tmp += 50;
 707         if(mdat->mlet == ';') tmp += 1000;
 708
 709 #ifdef NEW_SCORING
 710         /* ------- recent addition: make nr of points decrease
 711                    when this is not the first of this kind */
 712         { int ul = u.ulevel;
 713           int ml = mdat->mlevel;
 714
 715         if(ul < 14)    /* points are given based on present and future level */
 716             for(tmp2 = 0; !tmp2 || ul + tmp2 <= ml; tmp2++)
 717                 if(u.uexp + 1 + (tmp + ((tmp2 <= 0) ? 0 : 4<<(tmp2-1)))/nk
 718                     >= 10*pow((unsigned)(ul-1)))
 719                         if(++ul == 14) break;
 720
 721         tmp2 = ml - ul -1;
 722         tmp = (tmp + ((tmp2 < 0) ? 0 : 4<<tmp2))/nk;
 723         if(!tmp) tmp = 1;
 724         }
 725         /* note: ul is not necessarily the future value of u.ulevel */
 726         /* ------- end of recent valuation change ------- */
 727 #endif NEW_SCORING
 728
 729         more_experienced(tmp,0);
 730         flags.botl = 1;
 731         while(u.ulevel < 14 && u.uexp >= newuexp()){
 732                 pline("Welcome to experience level %u.", ++u.ulevel);
 733                 tmp = rnd(10);
 734                 if(tmp < 3) tmp = rnd(10);
 735                 u.uhpmax += tmp;
 736                 u.uhp += tmp;
 737                 flags.botl = 1;
 738         }
 739
 740         /* dispose of monster and make cadaver */
 741         x = mtmp->mx;   y = mtmp->my;
 742         mondead(mtmp);
 743         tmp = mdat->mlet;
 744         if(tmp == 'm') { /* he killed a minotaur, give him a wand of digging */
 745                         /* note: the dead minotaur will be on top of it! */
 746                 mksobj_at(WAN_DIGGING, x, y);
 747                 /* if(cansee(x,y)) atl(x,y,fobj->olet); */
 748                 stackobj(fobj);
 749         } else
 750 #ifndef NOWORM
 751         if(tmp == 'w') {
 752                 mksobj_at(WORM_TOOTH, x, y);
 753                 stackobj(fobj);
 754         } else
 755 #endif  NOWORM
 756         if(!letter(tmp) || (!index("mw", tmp) && !rn2(3))) tmp = 0;
 757
 758         if(ACCESSIBLE(levl[x][y].typ))  /* might be mimic in wall or dead eel*/
 759             if(x != u.ux || y != u.uy)  /* might be here after swallowed */
 760                 if(index("NTVm&",mdat->mlet) || rn2(5)) {
 761                 register struct obj *obj2 = mkobj_at(tmp,x,y);
 762                 if(cansee(x,y))
 763                         atl(x,y,obj2->olet);
 764                 stackobj(obj2);
 765         }
 766 }
 767
 768 kludge(str,arg)
 769 register char *str,*arg;
 770 {
 771         if(Blind) {
 772                 if(*str == '%') pline(str,"It");
 773                 else pline(str,"it");
 774         } else pline(str,arg);
 775 }
 776
 777 rescham()       /* force all chameleons to become normal */
 778 {
 779         register struct monst *mtmp;
 780
 781         for(mtmp = fmon; mtmp; mtmp = mtmp->nmon)
 782                 if(mtmp->cham) {
 783                         mtmp->cham = 0;
 784                         (void) newcham(mtmp, PM_CHAMELEON);
 785                 }
 786 }
 787
 788 newcham(mtmp,mdat)      /* make a chameleon look like a new monster */
 789                         /* returns 1 if the monster actually changed */
 790 register struct monst *mtmp;
 791 register struct permonst *mdat;
 792 {
 793         register mhp, hpn, hpd;
 794
 795         if(mdat == mtmp->data) return(0);       /* still the same monster */
 796 #ifndef NOWORM
 797         if(mtmp->wormno) wormdead(mtmp);        /* throw tail away */
 798 #endif NOWORM
 799         if (u.ustuck == mtmp) {
 800                 if (u.uswallow) {
 801                         u.uswallow = 0;
 802                         u.uswldtim = 0;
 803                         mnexto (mtmp);
 804                         docrt ();
 805                         prme ();
 806                 }
 807                 u.ustuck = 0;
 808         }
 809         hpn = mtmp->mhp;
 810         hpd = (mtmp->data->mlevel)*8;
 811         if(!hpd) hpd = 4;
 812         mtmp->data = mdat;
 813         mhp = (mdat->mlevel)*8;
 814         /* new hp: same fraction of max as before */
 815         mtmp->mhp = 2 + (hpn*mhp)/hpd;
 816         hpn = mtmp->mhpmax;
 817         mtmp->mhpmax = 2 + (hpn*mhp)/hpd;
 818         mtmp->minvis = (mdat->mlet == 'I') ? 1 : 0;
 819 #ifndef NOWORM
 820         if(mdat->mlet == 'w' && getwn(mtmp)) initworm(mtmp);
 821                         /* perhaps we should clear mtmp->mtame here? */
 822 #endif NOWORM
 823         unpmon(mtmp);   /* necessary for 'I' and to force pmon */
 824         pmon(mtmp);
 825         return(1);
 826 }
 827
 828 mnexto(mtmp)    /* Make monster mtmp next to you (if possible) */
 829 struct monst *mtmp;
 830 {
 831         extern coord enexto();
 832         coord mm;
 833         mm = enexto(u.ux, u.uy);
 834         mtmp->mx = mm.x;
 835         mtmp->my = mm.y;
 836         pmon(mtmp);
 837 }
 838
 839 ishuman(mtmp) register struct monst *mtmp; {
 840         return(mtmp->data->mlet == '@');
 841 }
 842
 843 setmangry(mtmp) register struct monst *mtmp; {
 844         if(!mtmp->mpeaceful) return;
 845         if(mtmp->mtame) return;
 846         mtmp->mpeaceful = 0;
 847         if(ishuman(mtmp)) pline("%s gets angry!", Monnam(mtmp));
 848 }
 849
 850 /* not one hundred procent correct: now a snake may hide under an
 851    invisible object */
 852 canseemon(mtmp)
 853 register struct monst *mtmp;
 854 {
 855         return((!mtmp->minvis || See_invisible)
 856                 && (!mtmp->mhide || !o_at(mtmp->mx,mtmp->my))
 857                 && cansee(mtmp->mx, mtmp->my));
 858 }