Source:NetHack 3.6.0/src/were.c

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 /* NetHack 3.6	were.c	$NHDT-Date: 1432512763 2015/05/25 00:12:43 $  $NHDT-Branch: master $:$NHDT-Revision: 1.18 $ */
 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
 /* NetHack may be freely redistributed.  See license for details. */
 
 #include "hack.h"
 
 void
 were_change(mon)
 register struct monst *mon;
 {
     if (!is_were(mon->data))
         return;
 
     if (is_human(mon->data)) {
         if (!Protection_from_shape_changers
             && !rn2(night() ? (flags.moonphase == FULL_MOON ? 3 : 30)
                             : (flags.moonphase == FULL_MOON ? 10 : 50))) {
             new_were(mon); /* change into animal form */
             if (!Deaf && !canseemon(mon)) {
                 const char *howler;
 
                 switch (monsndx(mon->data)) {
                 case PM_WEREWOLF:
                     howler = "wolf";
                     break;
                 case PM_WEREJACKAL:
                     howler = "jackal";
                     break;
                 default:
                     howler = (char *) 0;
                     break;
                 }
                 if (howler)
                     You_hear("a %s howling at the moon.", howler);
             }
         }
     } else if (!rn2(30) || Protection_from_shape_changers) {
         new_were(mon); /* change back into human form */
     }
 }
 
 int
 counter_were(pm)
 int pm;
 {
     switch (pm) {
     case PM_WEREWOLF:
         return (PM_HUMAN_WEREWOLF);
     case PM_HUMAN_WEREWOLF:
         return (PM_WEREWOLF);
     case PM_WEREJACKAL:
         return (PM_HUMAN_WEREJACKAL);
     case PM_HUMAN_WEREJACKAL:
         return (PM_WEREJACKAL);
     case PM_WERERAT:
         return (PM_HUMAN_WERERAT);
     case PM_HUMAN_WERERAT:
         return (PM_WERERAT);
     default:
         return NON_PM;
     }
 }
 
 /* convert monsters similar to werecritters into appropriate werebeast */
 int
 were_beastie(pm)
 int pm;
 {
     switch (pm) {
     case PM_WERERAT:
     case PM_SEWER_RAT:
     case PM_GIANT_RAT:
     case PM_RABID_RAT:
         return PM_WERERAT;
     case PM_WEREJACKAL:
     case PM_JACKAL:
     case PM_FOX:
     case PM_COYOTE:
         return PM_WEREJACKAL;
     case PM_WEREWOLF:
     case PM_WOLF:
     case PM_WARG:
     case PM_WINTER_WOLF:
         return PM_WEREWOLF;
     default:
         break;
     }
     return NON_PM;
 }
 
 void
 new_were(mon)
 register struct monst *mon;
 {
     register int pm;
 
     pm = counter_were(monsndx(mon->data));
     if (pm < LOW_PM) {
         impossible("unknown lycanthrope %s.", mon->data->mname);
         return;
     }
 
     if (canseemon(mon) && !Hallucination)
         pline("%s changes into a %s.", Monnam(mon),
               is_human(&mons[pm]) ? "human" : mons[pm].mname + 4);
 
     set_mon_data(mon, &mons[pm], 0);
     if (mon->msleeping || !mon->mcanmove) {
         /* transformation wakens and/or revitalizes */
         mon->msleeping = 0;
         mon->mfrozen = 0; /* not asleep or paralyzed */
         mon->mcanmove = 1;
     }
     /* regenerate by 1/4 of the lost hit points */
     mon->mhp += (mon->mhpmax - mon->mhp) / 4;
     newsym(mon->mx, mon->my);
     mon_break_armor(mon, FALSE);
     possibly_unwield(mon, FALSE);
 }
 
 int were_summon(ptr, yours, visible,
                 genbuf) /* were-creature (even you) summons a horde */
 register struct permonst *ptr;
 register boolean yours;
 int *visible; /* number of visible helpers created */
 char *genbuf;
 {
     register int i, typ, pm = monsndx(ptr);
     register struct monst *mtmp;
     int total = 0;
 
     *visible = 0;
     if (Protection_from_shape_changers && !yours)
         return 0;
     for (i = rnd(5); i > 0; i--) {
         switch (pm) {
         case PM_WERERAT:
         case PM_HUMAN_WERERAT:
             typ =
                 rn2(3) ? PM_SEWER_RAT : rn2(3) ? PM_GIANT_RAT : PM_RABID_RAT;
             if (genbuf)
                 Strcpy(genbuf, "rat");
             break;
         case PM_WEREJACKAL:
         case PM_HUMAN_WEREJACKAL:
             typ = PM_JACKAL;
             if (genbuf)
                 Strcpy(genbuf, "jackal");
             break;
         case PM_WEREWOLF:
         case PM_HUMAN_WEREWOLF:
             typ = rn2(5) ? PM_WOLF : PM_WINTER_WOLF;
             if (genbuf)
                 Strcpy(genbuf, "wolf");
             break;
         default:
             continue;
         }
         mtmp = makemon(&mons[typ], u.ux, u.uy, NO_MM_FLAGS);
         if (mtmp) {
             total++;
             if (canseemon(mtmp))
                 *visible += 1;
         }
         if (yours && mtmp)
             (void) tamedog(mtmp, (struct obj *) 0);
     }
     return total;
 }
 
 void
 you_were()
 {
     char qbuf[QBUFSZ];
     boolean controllable_poly = Polymorph_control && !(Stunned || Unaware);
 
     if (Unchanging || (u.umonnum == u.ulycn))
         return;
     if (controllable_poly) {
         /* `+4' => skip "were" prefix to get name of beast */
         Sprintf(qbuf, "Do you want to change into %s?",
                 an(mons[u.ulycn].mname + 4));
         if (yn(qbuf) == 'n')
             return;
     }
     (void) polymon(u.ulycn);
 }
 
 void
 you_unwere(purify)
 boolean purify;
 {
     boolean controllable_poly = Polymorph_control && !(Stunned || Unaware);
 
     if (purify) {
         You_feel("purified.");
         u.ulycn = NON_PM; /* cure lycanthropy */
     }
     if (!Unchanging && is_were(youmonst.data)
         && (!controllable_poly || yn("Remain in beast form?") == 'n'))
         rehumanize();
 }
 
 /*were.c*/