games/hack/hack.fight.c

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