games/hack/hack.fight.c

   1 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
   2 /* hack.fight.c - version 1.0.3 */
   3 /* $FreeBSD: src/games/hack/hack.fight.c,v 1.5 1999/11/16 10:26:36 marcel Exp $ */
   4 /* $DragonFly: src/games/hack/hack.fight.c,v 1.3 2004/11/06 12:29:17 eirikn Exp $ */
   5
   6 #include        "hack.h"
   7 extern struct permonst li_dog, dog, la_dog;
   8 extern char *exclam(), *xname();
   9 extern struct obj *mkobj_at();
  10
  11 static boolean far_noise;
  12 static long noisetime;
  13
  14 /* hitmm returns 0 (miss), 1 (hit), or 2 (kill) */
  15 hitmm(magr,mdef) struct monst *magr,*mdef; {
  16 struct permonst *pa = magr->data, *pd = mdef->data;
  17 int hit;
  18 schar tmp;
  19 boolean vis;
  20         if(index("Eauy", pa->mlet)) return(0);
  21         if(magr->mfroz) return(0);              /* riv05!a3 */
  22         tmp = pd->ac + pa->mlevel;
  23         if(mdef->mconf || mdef->mfroz || mdef->msleep){
  24                 tmp += 4;
  25                 if(mdef->msleep) mdef->msleep = 0;
  26         }
  27         hit = (tmp > rnd(20));
  28         if(hit) mdef->msleep = 0;
  29         vis = (cansee(magr->mx,magr->my) && cansee(mdef->mx,mdef->my));
  30         if(vis){
  31                 char buf[BUFSZ];
  32                 if(mdef->mimic) seemimic(mdef);
  33                 if(magr->mimic) seemimic(magr);
  34                 (void) sprintf(buf,"%s %s", Monnam(magr),
  35                         hit ? "hits" : "misses");
  36                 pline("%s %s.", buf, monnam(mdef));
  37         } else {
  38                 boolean far = (dist(magr->mx, magr->my) > 15);
  39                 if(far != far_noise || moves-noisetime > 10) {
  40                         far_noise = far;
  41                         noisetime = moves;
  42                         pline("You hear some noises%s.",
  43                                 far ? " in the distance" : "");
  44                 }
  45         }
  46         if(hit){
  47                 if(magr->data->mlet == 'c' && !magr->cham) {
  48                         magr->mhpmax += 3;
  49                         if(vis) pline("%s is turned to stone!", Monnam(mdef));
  50                         else if(mdef->mtame)
  51      pline("You have a peculiarly sad feeling for a moment, then it passes.");
  52                         monstone(mdef);
  53                         hit = 2;
  54                 } else
  55                 if((mdef->mhp -= d(pa->damn,pa->damd)) < 1) {
  56                         magr->mhpmax += 1 + rn2(pd->mlevel+1);
  57                         if(magr->mtame && magr->mhpmax > 8*pa->mlevel){
  58                                 if(pa == &li_dog) magr->data = pa = &dog;
  59                                 else if(pa == &dog) magr->data = pa = &la_dog;
  60                         }
  61                         if(vis) pline("%s is killed!", Monnam(mdef));
  62                         else if(mdef->mtame)
  63                 pline("You have a sad feeling for a moment, then it passes.");
  64                         mondied(mdef);
  65                         hit = 2;
  66                 }
  67         }
  68         return(hit);
  69 }
  70
  71 /* drop (perhaps) a cadaver and remove monster */
  72 mondied(mdef) struct monst *mdef; {
  73 struct permonst *pd = mdef->data;
  74                 if(letter(pd->mlet) && rn2(3)){
  75                         (void) mkobj_at(pd->mlet,mdef->mx,mdef->my);
  76                         if(cansee(mdef->mx,mdef->my)){
  77                                 unpmon(mdef);
  78                                 atl(mdef->mx,mdef->my,fobj->olet);
  79                         }
  80                         stackobj(fobj);
  81                 }
  82                 mondead(mdef);
  83 }
  84
  85 /* drop a rock and remove monster */
  86 monstone(mdef) struct monst *mdef; {
  87         extern char mlarge[];
  88         if(index(mlarge, mdef->data->mlet))
  89                 mksobj_at(ENORMOUS_ROCK, mdef->mx, mdef->my);
  90         else
  91                 mksobj_at(ROCK, mdef->mx, mdef->my);
  92         if(cansee(mdef->mx, mdef->my)){
  93                 unpmon(mdef);
  94                 atl(mdef->mx,mdef->my,fobj->olet);
  95         }
  96         mondead(mdef);
  97 }
  98
  99
 100 fightm(mtmp) struct monst *mtmp; {
 101 struct monst *mon;
 102         for(mon = fmon; mon; mon = mon->nmon) if(mon != mtmp) {
 103                 if(DIST(mon->mx,mon->my,mtmp->mx,mtmp->my) < 3)
 104                     if(rn2(4))
 105                         return(hitmm(mtmp,mon));
 106         }
 107         return(-1);
 108 }
 109
 110 /* u is hit by sth, but not a monster */
 111 thitu(tlev,dam,name)
 112 int tlev,dam;
 113 char *name;
 114 {
 115 char buf[BUFSZ];
 116         setan(name,buf);
 117         if(u.uac + tlev <= rnd(20)) {
 118                 if(Blind) pline("It misses.");
 119                 else pline("You are almost hit by %s!", buf);
 120                 return(0);
 121         } else {
 122                 if(Blind) pline("You are hit!");
 123                 else pline("You are hit by %s!", buf);
 124                 losehp(dam,name);
 125                 return(1);
 126         }
 127 }
 128
 129 char mlarge[] = "bCDdegIlmnoPSsTUwY',&";
 130
 131 boolean
 132 hmon(mon,obj,thrown)    /* return TRUE if mon still alive */
 133 struct monst *mon;
 134 struct obj *obj;
 135 int thrown;
 136 {
 137         int tmp;
 138         boolean hittxt = FALSE;
 139
 140         if(!obj){
 141                 tmp = rnd(2);   /* attack with bare hands */
 142                 if(mon->data->mlet == 'c' && !uarmg){
 143                         pline("You hit the cockatrice with your bare hands.");
 144                         pline("You turn to stone ...");
 145                         done_in_by(mon);
 146                 }
 147         } else if(obj->olet == WEAPON_SYM || obj->otyp == PICK_AXE) {
 148             if(obj == uwep && (obj->otyp > SPEAR || obj->otyp < BOOMERANG))
 149                 tmp = rnd(2);
 150             else {
 151                 if(index(mlarge, mon->data->mlet)) {
 152                         tmp = rnd(objects[obj->otyp].wldam);
 153                         if(obj->otyp == TWO_HANDED_SWORD) tmp += d(2,6);
 154                         else if(obj->otyp == FLAIL) tmp += rnd(4);
 155                 } else {
 156                         tmp = rnd(objects[obj->otyp].wsdam);
 157                 }
 158                 tmp += obj->spe;
 159                 if(!thrown && obj == uwep && obj->otyp == BOOMERANG
 160                  && !rn2(3)){
 161                   pline("As you hit %s, the boomerang breaks into splinters.",
 162                                 monnam(mon));
 163                         freeinv(obj);
 164                         setworn((struct obj *) 0, obj->owornmask);
 165                         obfree(obj, (struct obj *) 0);
 166                         tmp++;
 167                 }
 168             }
 169             if(mon->data->mlet == 'O' && obj->otyp == TWO_HANDED_SWORD &&
 170                 !strcmp(ONAME(obj), "Orcrist"))
 171                 tmp += rnd(10);
 172         } else  switch(obj->otyp) {
 173                 case HEAVY_IRON_BALL:
 174                         tmp = rnd(25); break;
 175                 case EXPENSIVE_CAMERA:
 176         pline("You succeed in destroying your camera. Congratulations!");
 177                         freeinv(obj);
 178                         if(obj->owornmask)
 179                                 setworn((struct obj *) 0, obj->owornmask);
 180                         obfree(obj, (struct obj *) 0);
 181                         return(TRUE);
 182                 case DEAD_COCKATRICE:
 183                         pline("You hit %s with the cockatrice corpse.",
 184                                 monnam(mon));
 185                         if(mon->data->mlet == 'c') {
 186                                 tmp = 1;
 187                                 hittxt = TRUE;
 188                                 break;
 189                         }
 190                         pline("%s is turned to stone!", Monnam(mon));
 191                         killed(mon);
 192                         return(FALSE);
 193                 case CLOVE_OF_GARLIC:           /* no effect against demons */
 194                         if(index(UNDEAD, mon->data->mlet))
 195                                 mon->mflee = 1;
 196                         tmp = 1;
 197                         break;
 198                 default:
 199                         /* non-weapons can damage because of their weight */
 200                         /* (but not too much) */
 201                         tmp = obj->owt/10;
 202                         if(tmp < 1) tmp = 1;
 203                         else tmp = rnd(tmp);
 204                         if(tmp > 6) tmp = 6;
 205                 }
 206
 207         /****** NOTE: perhaps obj is undefined!! (if !thrown && BOOMERANG) */
 208
 209         tmp += u.udaminc + dbon();
 210         if(u.uswallow) {
 211                 if((tmp -= u.uswldtim) <= 0) {
 212                         pline("Your arms are no longer able to hit.");
 213                         return(TRUE);
 214                 }
 215         }
 216         if(tmp < 1) tmp = 1;
 217         mon->mhp -= tmp;
 218         if(mon->mhp < 1) {
 219                 killed(mon);
 220                 return(FALSE);
 221         }
 222         if(mon->mtame && (!mon->mflee || mon->mfleetim)) {
 223                 mon->mflee = 1;                 /* Rick Richardson */
 224                 mon->mfleetim += 10*rnd(tmp);
 225         }
 226
 227         if(!hittxt) {
 228                 if(thrown)
 229                         /* this assumes that we cannot throw plural things */
 230                         hit( xname(obj)  /* or: objects[obj->otyp].oc_name */,
 231                                 mon, exclam(tmp) );
 232                 else if(Blind)
 233                         pline("You hit it.");
 234                 else
 235                         pline("You hit %s%s", monnam(mon), exclam(tmp));
 236         }
 237
 238         if(u.umconf && !thrown) {
 239                 if(!Blind) {
 240                         pline("Your hands stop glowing blue.");
 241                         if(!mon->mfroz && !mon->msleep)
 242                                 pline("%s appears confused.",Monnam(mon));
 243                 }
 244                 mon->mconf = 1;
 245                 u.umconf = 0;
 246         }
 247         return(TRUE);   /* mon still alive */
 248 }
 249
 250 /* try to attack; return FALSE if monster evaded */
 251 /* u.dx and u.dy must be set */
 252 attack(mtmp)
 253 struct monst *mtmp;
 254 {
 255         schar tmp;
 256         boolean malive = TRUE;
 257         struct permonst *mdat;
 258         mdat = mtmp->data;
 259
 260         u_wipe_engr(3);   /* andrew@orca: prevent unlimited pick-axe attacks */
 261
 262         if(mdat->mlet == 'L' && !mtmp->mfroz && !mtmp->msleep &&
 263            !mtmp->mconf && mtmp->mcansee && !rn2(7) &&
 264            (m_move(mtmp, 0) == 2 /* he died */ || /* he moved: */
 265                 mtmp->mx != u.ux+u.dx || mtmp->my != u.uy+u.dy))
 266                 return(FALSE);
 267
 268         if(mtmp->mimic){
 269                 if(!u.ustuck && !mtmp->mflee) u.ustuck = mtmp;
 270                 switch(levl[u.ux+u.dx][u.uy+u.dy].scrsym){
 271                 case '+':
 272                         pline("The door actually was a Mimic.");
 273                         break;
 274                 case '$':
 275                         pline("The chest was a Mimic!");
 276                         break;
 277                 default:
 278                         pline("Wait! That's a Mimic!");
 279                 }
 280                 wakeup(mtmp);   /* clears mtmp->mimic */
 281                 return(TRUE);
 282         }
 283
 284         wakeup(mtmp);
 285
 286         if(mtmp->mhide && mtmp->mundetected){
 287                 struct obj *obj;
 288
 289                 mtmp->mundetected = 0;
 290                 if((obj = o_at(mtmp->mx,mtmp->my)) && !Blind)
 291                         pline("Wait! There's a %s hiding under %s!",
 292                                 mdat->mname, doname(obj));
 293                 return(TRUE);
 294         }
 295
 296         tmp = u.uluck + u.ulevel + mdat->ac + abon();
 297         if(uwep) {
 298                 if(uwep->olet == WEAPON_SYM || uwep->otyp == PICK_AXE)
 299                         tmp += uwep->spe;
 300                 if(uwep->otyp == TWO_HANDED_SWORD) tmp -= 1;
 301                 else if(uwep->otyp == DAGGER) tmp += 2;
 302                 else if(uwep->otyp == CRYSKNIFE) tmp += 3;
 303                 else if(uwep->otyp == SPEAR &&
 304                         index("XDne", mdat->mlet)) tmp += 2;
 305         }
 306         if(mtmp->msleep) {
 307                 mtmp->msleep = 0;
 308                 tmp += 2;
 309         }
 310         if(mtmp->mfroz) {
 311                 tmp += 4;
 312                 if(!rn2(10)) mtmp->mfroz = 0;
 313         }
 314         if(mtmp->mflee) tmp += 2;
 315         if(u.utrap) tmp -= 3;
 316
 317         /* with a lot of luggage, your agility diminishes */
 318         tmp -= (inv_weight() + 40)/20;
 319
 320         if(tmp <= rnd(20) && !u.uswallow){
 321                 if(Blind) pline("You miss it.");
 322                 else pline("You miss %s.",monnam(mtmp));
 323         } else {
 324                 /* we hit the monster; be careful: it might die! */
 325
 326                 if((malive = hmon(mtmp,uwep,0)) == TRUE) {
 327                 /* monster still alive */
 328                         if(!rn2(25) && mtmp->mhp < mtmp->mhpmax/2) {
 329                                 mtmp->mflee = 1;
 330                                 if(!rn2(3)) mtmp->mfleetim = rnd(100);
 331                                 if(u.ustuck == mtmp && !u.uswallow)
 332                                         u.ustuck = 0;
 333                         }
 334 #ifndef NOWORM
 335                         if(mtmp->wormno)
 336                                 cutworm(mtmp, u.ux+u.dx, u.uy+u.dy,
 337                                         uwep ? uwep->otyp : 0);
 338 #endif /* NOWORM */
 339                 }
 340                 if(mdat->mlet == 'a') {
 341                         if(rn2(2)) {
 342                                 pline("You are splashed by the blob's acid!");
 343                                 losehp_m(rnd(6), mtmp);
 344                                 if(!rn2(30)) corrode_armor();
 345                         }
 346                         if(!rn2(6)) corrode_weapon();
 347                 }
 348         }
 349         if(malive && mdat->mlet == 'E' && canseemon(mtmp)
 350            && !mtmp->mcan && rn2(3)) {
 351             if(mtmp->mcansee) {
 352               pline("You are frozen by the floating eye's gaze!");
 353               nomul((u.ulevel > 6 || rn2(4)) ? rn1(20,-21) : -200);
 354             } else {
 355               pline("The blinded floating eye cannot defend itself.");
 356               if(!rn2(500)) if((int)u.uluck > LUCKMIN) u.uluck--;
 357             }
 358         }
 359         return(TRUE);
 360 }