/* NetHack 3.7 dog.c $NHDT-Date: 1652689621 2022/05/16 08:27:01 $ $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.121 $ */ /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */ /*-Copyright (c) Robert Patrick Rankin, 2011. */ /* NetHack may be freely redistributed. See license for details. */ #include "hack.h" static int pet_type(void); static void set_mon_lastmove(struct monst *); static int mon_leave(struct monst *); static boolean keep_mon_accessible(struct monst *); enum arrival { Before_you = 0, /* monsters kept on migrating_mons for accessibility; * they haven't actually left their level */ With_you = 1, /* pets and level followers */ After_you = 2 /* regular migrating monsters */ }; void newedog(struct monst *mtmp) { if (!mtmp->mextra) mtmp->mextra = newmextra(); if (!EDOG(mtmp)) { EDOG(mtmp) = (struct edog *) alloc(sizeof(struct edog)); (void) memset((genericptr_t) EDOG(mtmp), 0, sizeof(struct edog)); } } void free_edog(struct monst *mtmp) { if (mtmp->mextra && EDOG(mtmp)) { free((genericptr_t) EDOG(mtmp)); EDOG(mtmp) = (struct edog *) 0; } mtmp->mtame = 0; } void initedog(struct monst *mtmp) { mtmp->mtame = is_domestic(mtmp->data) ? 10 : 5; mtmp->mpeaceful = 1; mtmp->mavenge = 0; set_malign(mtmp); /* recalc alignment now that it's tamed */ mtmp->mleashed = 0; mtmp->meating = 0; EDOG(mtmp)->droptime = 0; EDOG(mtmp)->dropdist = 10000; EDOG(mtmp)->apport = ACURR(A_CHA); EDOG(mtmp)->whistletime = 0; EDOG(mtmp)->hungrytime = 1000 + g.moves; EDOG(mtmp)->ogoal.x = -1; /* force error if used before set */ EDOG(mtmp)->ogoal.y = -1; EDOG(mtmp)->abuse = 0; EDOG(mtmp)->revivals = 0; EDOG(mtmp)->mhpmax_penalty = 0; EDOG(mtmp)->killed_by_u = 0; } static int pet_type(void) { if (g.urole.petnum != NON_PM) return g.urole.petnum; else if (g.preferred_pet == 'c') return PM_KITTEN; else if (g.preferred_pet == 'd') return PM_LITTLE_DOG; else return rn2(2) ? PM_KITTEN : PM_LITTLE_DOG; } struct monst * make_familiar(struct obj *otmp, coordxy x, coordxy y, boolean quietly) { struct permonst *pm; struct monst *mtmp = 0; int chance, trycnt = 100; do { mmflags_nht mmflags; int cgend, mndx; if (otmp) { /* figurine; otherwise spell */ mndx = otmp->corpsenm; pm = &mons[mndx]; /* activating a figurine provides one way to exceed the maximum number of the target critter created--unless it has a special limit (erinys, Nazgul) */ if ((g.mvitals[mndx].mvflags & G_EXTINCT) && mbirth_limit(mndx) != MAXMONNO) { if (!quietly) /* have just been given "You the figurine and it transforms." message */ pline("... into a pile of dust."); break; /* mtmp is null */ } } else if (!rn2(3)) { pm = &mons[pet_type()]; } else { pm = rndmonst(); if (!pm) { if (!quietly) There("seems to be nothing available for a familiar."); break; } } mmflags = MM_EDOG | MM_IGNOREWATER | NO_MINVENT | MM_NOMSG; cgend = otmp ? (otmp->spe & CORPSTAT_GENDER) : 0; mmflags |= ((cgend == CORPSTAT_FEMALE) ? MM_FEMALE : (cgend == CORPSTAT_MALE) ? MM_MALE : 0L); mtmp = makemon(pm, x, y, mmflags); if (otmp && !mtmp) { /* monster was genocided or square occupied */ if (!quietly) pline_The("figurine writhes and then shatters into pieces!"); break; } } while (!mtmp && --trycnt > 0); if (!mtmp) return (struct monst *) 0; if (is_pool(mtmp->mx, mtmp->my) && minliquid(mtmp)) return (struct monst *) 0; initedog(mtmp); mtmp->msleeping = 0; if (otmp) { /* figurine; resulting monster might not become a pet */ chance = rn2(10); /* 0==tame, 1==peaceful, 2==hostile */ if (chance > 2) chance = otmp->blessed ? 0 : !otmp->cursed ? 1 : 2; /* 0,1,2: b=80%,10,10; nc=10%,80,10; c=10%,10,80 */ if (chance > 0) { mtmp->mtame = 0; /* not tame after all */ if (chance == 2) { /* hostile (cursed figurine) */ if (!quietly) You("get a bad feeling about this."); mtmp->mpeaceful = 0; set_malign(mtmp); } } /* if figurine has been named, give same name to the monster */ if (has_oname(otmp)) mtmp = christen_monst(mtmp, ONAME(otmp)); } set_malign(mtmp); /* more alignment changes */ newsym(mtmp->mx, mtmp->my); /* must wield weapon immediately since pets will otherwise drop it */ if (mtmp->mtame && attacktype(mtmp->data, AT_WEAP)) { mtmp->weapon_check = NEED_HTH_WEAPON; (void) mon_wield_item(mtmp); } return mtmp; } struct monst * makedog(void) { register struct monst *mtmp; register struct obj *otmp; const char *petname; int pettype; if (g.preferred_pet == 'n') return ((struct monst *) 0); pettype = pet_type(); if (pettype == PM_LITTLE_DOG) petname = g.dogname; else if (pettype == PM_PONY) petname = g.horsename; else petname = g.catname; /* default pet names */ if (!*petname && pettype == PM_LITTLE_DOG) { /* All of these names were for dogs. */ if (Role_if(PM_CAVE_DWELLER)) petname = "Slasher"; /* The Warrior */ if (Role_if(PM_SAMURAI)) petname = "Hachi"; /* Shibuya Station */ if (Role_if(PM_BARBARIAN)) petname = "Idefix"; /* Obelix */ if (Role_if(PM_RANGER)) petname = "Sirius"; /* Orion's dog */ } mtmp = makemon(&mons[pettype], u.ux, u.uy, MM_EDOG); if (!mtmp) return ((struct monst *) 0); /* pets were genocided */ g.context.startingpet_mid = mtmp->m_id; /* Horses already wear a saddle */ if (pettype == PM_PONY && !!(otmp = mksobj(SADDLE, TRUE, FALSE))) { otmp->dknown = otmp->bknown = otmp->rknown = 1; put_saddle_on_mon(otmp, mtmp); } if (!g.petname_used++ && *petname) mtmp = christen_monst(mtmp, petname); initedog(mtmp); return mtmp; } static void set_mon_lastmove(struct monst *mtmp) { mtmp->mlstmv = g.moves; } /* record `last move time' for all monsters prior to level save so that mon_arrive() can catch up for lost time when they're restored later */ void update_mlstmv(void) { iter_mons(set_mon_lastmove); } void losedogs(void) { register struct monst *mtmp, **mprev; int dismissKops = 0, xyloc; /* * First, scan g.migrating_mons for shopkeepers who want to dismiss Kops, * and scan g.mydogs for shopkeepers who want to retain kops. * Second, dismiss kops if warranted, making more room for arrival. * Third, replace monsters who went onto migrating_mons in order to * be accessible from other levels but didn't actually leave the level. * Fourth, place monsters accompanying the hero. * Last, place migrating monsters coming to this level. * * Hero might eventually be displaced (due to the third step, but * occurring later), which is the main reason to do the second step * sooner (in turn necessitating the first step, rather than combining * the list scans with monster placement). */ /* check for returning shk(s) */ for (mtmp = g.migrating_mons; mtmp; mtmp = mtmp->nmon) { if (mtmp->mux != u.uz.dnum || mtmp->muy != u.uz.dlevel) continue; if (mtmp->isshk) { if (ESHK(mtmp)->dismiss_kops) { if (dismissKops == 0) dismissKops = 1; ESHK(mtmp)->dismiss_kops = FALSE; /* reset */ } else if (!mtmp->mpeaceful) { /* an unpacified shk is returning; don't dismiss kops even if another pacified one is willing to do so */ dismissKops = -1; /* [keep looping; later monsters might need ESHK reset] */ } } } /* make the same check for g.mydogs */ for (mtmp = g.mydogs; mtmp && dismissKops >= 0; mtmp = mtmp->nmon) { if (mtmp->isshk) { /* hostile shk might accompany hero [ESHK(mtmp)->dismiss_kops can't be set here; it's only used for g.migrating_mons] */ if (!mtmp->mpeaceful) dismissKops = -1; } } /* when a hostile shopkeeper chases hero to another level and then gets paid off there, get rid of summoned kops here now that he has returned to his shop level */ if (dismissKops > 0) make_happy_shoppers(TRUE); /* put monsters who went onto migrating_mons in order to be accessible when other levels are active back to the positions on this level; they're handled before mydogs so that monsters accompanying the hero can't steal the spot that belongs to them [note: mon_arrive() might fail and put mtmp back at the head of migrating_mons; that doesn't interfere with our list traversal] */ for (mprev = &g.migrating_mons; (mtmp = *mprev) != 0; ) { xyloc = mtmp->mtrack[0].x; /* (for legibility) */ if (mtmp->mux == u.uz.dnum && mtmp->muy == u.uz.dlevel && xyloc == MIGR_EXACT_XY) { *mprev = mtmp->nmon; mon_arrive(mtmp, Before_you); } else { mprev = &mtmp->nmon; } } /* place pets and/or any other monsters who accompany hero; any that fail to arrive (level may be full) will be moved to migrating_mons and immediately retry (and fail again) below */ while ((mtmp = g.mydogs) != 0) { g.mydogs = mtmp->nmon; mon_arrive(mtmp, With_you); } /* time for migrating monsters to arrive; monsters who belong on this level but fail to arrive get put back onto the list (at head) but that doesn't interfere with traversal */ for (mprev = &g.migrating_mons; (mtmp = *mprev) != 0; ) { xyloc = mtmp->mtrack[0].x; if (mtmp->mux == u.uz.dnum && mtmp->muy == u.uz.dlevel && xyloc != MIGR_EXACT_XY) { *mprev = mtmp->nmon; mon_arrive(mtmp, After_you); } else { mprev = &mtmp->nmon; } } } /* called from resurrect() in addition to losedogs() */ void mon_arrive(struct monst *mtmp, int when) { struct trap *t; coordxy xlocale, ylocale, xyloc, xyflags; xint16 wander; int num_segs; boolean failed_to_place = FALSE; stairway *stway; d_level fromdlev; mtmp->nmon = fmon; fmon = mtmp; if (mtmp->isshk) set_residency(mtmp, FALSE); num_segs = mtmp->wormno; /* baby long worms have no tail so don't use is_longworm() */ if (mtmp->data == &mons[PM_LONG_WORM]) { mtmp->wormno = get_wormno(); if (mtmp->wormno) initworm(mtmp, num_segs); } else mtmp->wormno = 0; /* some monsters might need to do something special upon arrival _after_ the current level has been fully set up; see dochug() */ mtmp->mstrategy |= STRAT_ARRIVE; mtmp->mstate &= ~MON_MIGRATING; /* make sure mnexto(rloc_to(set_apparxy())) doesn't use stale data */ mtmp->mux = u.ux, mtmp->muy = u.uy; xyloc = mtmp->mtrack[0].x; xyflags = mtmp->mtrack[0].y; xlocale = mtmp->mtrack[1].x; ylocale = mtmp->mtrack[1].y; fromdlev.dnum = mtmp->mtrack[2].x; fromdlev.dlevel = mtmp->mtrack[2].y; memset(mtmp->mtrack, 0, sizeof mtmp->mtrack); if (mtmp == u.usteed) return; /* don't place steed on the map */ if (when == With_you) { /* When a monster accompanies you, sometimes it will arrive at your intended destination and you'll end up next to that spot. This code doesn't control the final outcome; goto_level(do.c) decides who ends up at your target spot when there is a monster there too. */ if (!MON_AT(u.ux, u.uy) && !rn2(mtmp->mtame ? 10 : mtmp->mpeaceful ? 5 : 2)) rloc_to(mtmp, u.ux, u.uy); else mnexto(mtmp, RLOC_NOMSG); return; } /* * The monster arrived on this level independently of the player. * Its coordinate fields were overloaded for use as flags that * specify its final destination. */ if (mtmp->mlstmv < g.moves - 1L) { /* heal monster for time spent in limbo */ long nmv = g.moves - 1L - mtmp->mlstmv; mon_catchup_elapsed_time(mtmp, nmv); mtmp->mlstmv = g.moves - 1L; /* let monster move a bit on new level (see placement code below) */ wander = (xint16) min(nmv, 8); } else wander = 0; switch (xyloc) { case MIGR_APPROX_XY: /* {x,y}locale set above */ break; case MIGR_EXACT_XY: wander = 0; break; case MIGR_WITH_HERO: xlocale = u.ux, ylocale = u.uy; break; case MIGR_STAIRS_UP: if ((stway = stairway_find_from(&fromdlev, FALSE)) != 0) { xlocale = stway->sx; ylocale = stway->sy; } break; case MIGR_STAIRS_DOWN: if ((stway = stairway_find_from(&fromdlev, FALSE)) != 0) { xlocale = stway->sx; ylocale = stway->sy; } break; case MIGR_LADDER_UP: if ((stway = stairway_find_from(&fromdlev, TRUE)) != 0) { xlocale = stway->sx; ylocale = stway->sy; } break; case MIGR_LADDER_DOWN: if ((stway = stairway_find_from(&fromdlev, TRUE)) != 0) { xlocale = stway->sx; ylocale = stway->sy; } break; case MIGR_SSTAIRS: if ((stway = stairway_find(&fromdlev)) != 0) { xlocale = stway->sx; ylocale = stway->sy; } break; case MIGR_PORTAL: if (In_endgame(&u.uz)) { /* there is no arrival portal for endgame levels */ /* BUG[?]: for simplicity, this code relies on the fact that we know that the current endgame levels always build upwards and never have any exclusion subregion inside their TELEPORT_REGION settings. */ xlocale = rn1(g.updest.hx - g.updest.lx + 1, g.updest.lx); ylocale = rn1(g.updest.hy - g.updest.ly + 1, g.updest.ly); break; } /* find the arrival portal */ for (t = g.ftrap; t; t = t->ntrap) if (t->ttyp == MAGIC_PORTAL) break; if (t) { xlocale = t->tx, ylocale = t->ty; break; } else if (!(u.uevent.qexpelled && (Is_qstart(&u.uz0) || Is_qstart(&u.uz)))) { impossible("mon_arrive: no corresponding portal?"); } /*FALLTHRU*/ default: case MIGR_RANDOM: xlocale = ylocale = 0; break; } if ((mtmp->migflags & MIGR_LEFTOVERS) != 0L) { /* Pick up the rest of the MIGR_TO_SPECIES objects */ if (g.migrating_objs) deliver_obj_to_mon(mtmp, 0, DF_ALL); } if (xlocale && wander) { /* monster moved a bit; pick a nearby location */ /* mnearto() deals w/stone, et al */ char *r = in_rooms(xlocale, ylocale, 0); if (r && *r) { coord c; /* somexy() handles irregular rooms */ if (somexy(&g.rooms[*r - ROOMOFFSET], &c)) xlocale = c.x, ylocale = c.y; else xlocale = ylocale = 0; } else { /* not in a room */ int i, j; i = max(1, xlocale - wander); j = min(COLNO - 1, xlocale + wander); xlocale = rn1(j - i, i); i = max(0, ylocale - wander); j = min(ROWNO - 1, ylocale + wander); ylocale = rn1(j - i, i); } } /* moved a bit */ mtmp->mx = 0; /*(already is 0)*/ mtmp->my = xyflags; if (xlocale) failed_to_place = !mnearto(mtmp, xlocale, ylocale, FALSE, RLOC_NOMSG); else failed_to_place = !rloc(mtmp, RLOC_NOMSG); if (failed_to_place) m_into_limbo(mtmp); /* try again next time hero comes to this level */ } /* heal monster for time spent elsewhere */ void mon_catchup_elapsed_time( struct monst *mtmp, long nmv) /* number of moves */ { int imv = 0; /* avoid zillions of casts and lint warnings */ #if defined(DEBUG) || (NH_DEVEL_STATUS != NH_STATUS_RELEASED) if (nmv < 0L) { /* crash likely... */ panic("catchup from future time?"); /*NOTREACHED*/ return; } else if (nmv == 0L) { /* safe, but should'nt happen */ impossible("catchup from now?"); } else #endif if (nmv >= LARGEST_INT) /* paranoia */ imv = LARGEST_INT - 1; else imv = (int) nmv; /* might stop being afraid, blind or frozen */ /* set to 1 and allow final decrement in movemon() */ if (mtmp->mblinded) { if (imv >= (int) mtmp->mblinded) mtmp->mblinded = 1; else mtmp->mblinded -= imv; } if (mtmp->mfrozen) { if (imv >= (int) mtmp->mfrozen) mtmp->mfrozen = 1; else mtmp->mfrozen -= imv; } if (mtmp->mfleetim) { if (imv >= (int) mtmp->mfleetim) mtmp->mfleetim = 1; else mtmp->mfleetim -= imv; } /* might recover from temporary trouble */ if (mtmp->mtrapped && rn2(imv + 1) > 40 / 2) mtmp->mtrapped = 0; if (mtmp->mconf && rn2(imv + 1) > 50 / 2) mtmp->mconf = 0; if (mtmp->mstun && rn2(imv + 1) > 10 / 2) mtmp->mstun = 0; /* might finish eating or be able to use special ability again */ if (imv > mtmp->meating) finish_meating(mtmp); else mtmp->meating -= imv; if (imv > mtmp->mspec_used) mtmp->mspec_used = 0; else mtmp->mspec_used -= imv; /* reduce tameness for every 150 moves you are separated */ if (mtmp->mtame) { int wilder = (imv + 75) / 150; if (mtmp->mtame > wilder) mtmp->mtame -= wilder; /* less tame */ else if (mtmp->mtame > rn2(wilder)) mtmp->mtame = 0; /* untame */ else mtmp->mtame = mtmp->mpeaceful = 0; /* hostile! */ } /* check to see if it would have died as a pet; if so, go wild instead * of dying the next time we call dog_move() */ if (mtmp->mtame && !mtmp->isminion && (carnivorous(mtmp->data) || herbivorous(mtmp->data))) { struct edog *edog = EDOG(mtmp); if ((g.moves > edog->hungrytime + 500 && mtmp->mhp < 3) || (g.moves > edog->hungrytime + 750)) mtmp->mtame = mtmp->mpeaceful = 0; } if (!mtmp->mtame && mtmp->mleashed) { /* leashed monsters should always be with hero, consequently never losing any time to be accounted for later */ impossible("catching up for leashed monster?"); m_unleash(mtmp, FALSE); } /* recover lost hit points */ if (!regenerates(mtmp->data)) imv /= 20; if (mtmp->mhp + imv >= mtmp->mhpmax) mtmp->mhp = mtmp->mhpmax; else mtmp->mhp += imv; } /* bookkeeping when mtmp is about to leave the current level; common to keepdogs() and migrate_to_level() */ static int mon_leave(struct monst *mtmp) { struct obj *obj; int num_segs = 0; /* return value */ /* set minvent's obj->no_charge to 0 */ for (obj = mtmp->minvent; obj; obj = obj->nobj) { if (Has_contents(obj)) picked_container(obj); /* does the right thing */ obj->no_charge = 0; } /* if this is a shopkeeper, clear the 'resident' field of her shop; if/when she returns, it will be set back by mon_arrive() */ if (mtmp->isshk) set_residency(mtmp, TRUE); /* if this is a long worm, handle its tail segments before mtmp itself; we pass possibly trundated segment count to caller via return value */ if (mtmp->wormno) { int cnt = count_wsegs(mtmp), mx = mtmp->mx, my = mtmp->my; /* since monst->wormno is overloaded to hold the number of tail segments during migration, a very long worm with more segments than can fit in that field gets truncated */ num_segs = min(cnt, MAX_NUM_WORMS - 1); wormgone(mtmp); /* put the head back; note: mtmp might not be on the map if this is happening during a failed attempt to migrate to this level */ if (mx) place_monster(mtmp, mx, my); } return num_segs; } /* when hero leaves a level, some monsters should be placed on the migrating_mons list instead of being stashed inside the level's file */ static boolean keep_mon_accessible(struct monst *mon) { /* the Wizard is kept accessible so that his harassment can fetch him instead of creating a new instance but also so that he can be put back at his current location if hero returns to his level */ if (mon->iswiz) return TRUE; /* monsters with special attachment to a particular level only need to be kept accessible when on some other level */ if (mon->mextra && ((mon->isshk && !on_level(&u.uz, &ESHK(mon)->shoplevel)) || (mon->ispriest && !on_level(&u.uz, &EPRI(mon)->shrlevel)) || (mon->isgd && !on_level(&u.uz, &EGD(mon)->gdlevel)))) return TRUE; /* normal monsters go into the level save file instead of being held on the migrating_mons list for off-level accessibility */ return FALSE; } /* called when you move to another level */ void keepdogs( boolean pets_only) /* true for ascension or final escape */ { register struct monst *mtmp, *mtmp2; for (mtmp = fmon; mtmp; mtmp = mtmp2) { mtmp2 = mtmp->nmon; if (DEADMONSTER(mtmp)) continue; if (pets_only) { if (!mtmp->mtame) continue; /* reject non-pets */ /* don't block pets from accompanying hero's dungeon escape or ascension simply due to mundane trifles; unlike level change for steed, don't bother trying to achieve a normal trap escape first */ mtmp->mtrapped = 0; mtmp->meating = 0; mtmp->msleeping = 0; mtmp->mfrozen = 0; mtmp->mcanmove = 1; } if (((monnear(mtmp, u.ux, u.uy) && levl_follower(mtmp)) /* the wiz will level t-port from anywhere to chase the amulet; if you don't have it, will chase you only if in range. -3. */ || (u.uhave.amulet && mtmp->iswiz)) && (!helpless(mtmp) /* eg if level teleport or new trap, steed has no control to avoid following */ || (mtmp == u.usteed)) /* monster won't follow if it hasn't noticed you yet */ && !(mtmp->mstrategy & STRAT_WAITFORU)) { int num_segs; boolean stay_behind = FALSE; if (mtmp->mtrapped) (void) mintrap(mtmp, NO_TRAP_FLAGS); /* try to escape */ if (mtmp == u.usteed) { /* make sure steed is eligible to accompany hero */ mtmp->mtrapped = 0; /* escape trap */ mtmp->meating = 0; /* terminate eating */ mdrop_special_objs(mtmp); /* drop Amulet */ } else if (mtmp->meating || mtmp->mtrapped) { if (canseemon(mtmp)) pline("%s is still %s.", Monnam(mtmp), mtmp->meating ? "eating" : "trapped"); stay_behind = TRUE; } else if (mon_has_amulet(mtmp)) { if (canseemon(mtmp)) pline("%s seems very disoriented for a moment.", Monnam(mtmp)); stay_behind = TRUE; } if (stay_behind) { if (mtmp->mleashed) { pline("%s leash suddenly comes loose.", humanoid(mtmp->data) ? (mtmp->female ? "Her" : "His") : "Its"); m_unleash(mtmp, FALSE); } if (mtmp == u.usteed) { /* can't happen unless someone makes a change which scrambles the stay_behind logic above */ impossible("steed left behind?"); dismount_steed(DISMOUNT_GENERIC); } continue; } /* prepare to take mtmp off the map */ num_segs = mon_leave(mtmp); /* take off map and move mtmp from fmon list to mydogs */ relmon(mtmp, &g.mydogs); /* mtmp->mx,my retain current value */ mtmp->mx = mtmp->my = 0; /* mx==0 implies migating */ mtmp->wormno = num_segs; mtmp->mlstmv = g.moves; } else if (keep_mon_accessible(mtmp)) { /* we want to be able to find the Wizard when his next resurrection chance comes up, but have him resume his present location if player returns to this level before that time; also needed for monsters (shopkeeper, temple priest, vault guard) who have level data in mon->mextra in case #wizmakemap is used to replace their home level while they're away from it */ migrate_to_level(mtmp, ledger_no(&u.uz), MIGR_EXACT_XY, (coord *) 0); } else if (mtmp->mleashed) { /* this can happen if your quest leader ejects you from the "home" level while a leashed pet isn't next to you */ pline("%s leash goes slack.", s_suffix(Monnam(mtmp))); m_unleash(mtmp, FALSE); } } } void migrate_to_level( struct monst *mtmp, xint16 tolev, /* destination level */ xint16 xyloc, /* MIGR_xxx destination xy location: */ coord *cc) /* optional destination coordinates */ { d_level new_lev; coordxy xyflags; coordxy mx = mtmp->mx, my = mtmp->my; /* needed below */ int num_segs; /* count of worm segments */ if (mtmp->mleashed) { mtmp->mtame--; m_unleash(mtmp, TRUE); } /* prepare to take mtmp off the map */ num_segs = mon_leave(mtmp); /* take off map and move mtmp from fmon list to migrating_mons */ relmon(mtmp, &g.migrating_mons); /* mtmp->mx,my retain their value */ mtmp->mstate |= MON_MIGRATING; new_lev.dnum = ledger_to_dnum((xint16) tolev); new_lev.dlevel = ledger_to_dlev((xint16) tolev); /* overload mtmp->[mx,my], mtmp->[mux,muy], and mtmp->mtrack[] as destination codes */ xyflags = (depth(&new_lev) < depth(&u.uz)); /* 1 => up */ if (In_W_tower(mx, my, &u.uz)) xyflags |= 2; mtmp->wormno = num_segs; mtmp->mlstmv = g.moves; mtmp->mtrack[2].x = u.uz.dnum; /* migrating from this dungeon */ mtmp->mtrack[2].y = u.uz.dlevel; /* migrating from this dungeon level */ mtmp->mtrack[1].x = cc ? cc->x : mx; mtmp->mtrack[1].y = cc ? cc->y : my; mtmp->mtrack[0].x = xyloc; mtmp->mtrack[0].y = xyflags; mtmp->mux = new_lev.dnum; mtmp->muy = new_lev.dlevel; mtmp->mx = mtmp->my = 0; /* mx==0 implies migating */ /* don't extinguish a mobile light; it still exists but has changed from local (monst->mx > 0) to global (mx==0, not on this level) */ if (emits_light(mtmp->data)) vision_recalc(0); } /* return quality of food; the lower the better */ /* fungi will eat even tainted food */ int dogfood(struct monst *mon, struct obj *obj) { struct permonst *mptr = mon->data, *fptr = 0; boolean carni = carnivorous(mptr), herbi = herbivorous(mptr), starving, mblind; if (is_quest_artifact(obj) || obj_resists(obj, 0, 95)) return obj->cursed ? TABU : APPORT; switch (obj->oclass) { case FOOD_CLASS: if (obj->otyp == CORPSE || obj->otyp == TIN || obj->otyp == EGG) fptr = &mons[obj->corpsenm]; if (obj->otyp == CORPSE && is_rider(fptr)) return TABU; if ((obj->otyp == CORPSE || obj->otyp == EGG) && touch_petrifies(fptr) && !resists_ston(mon)) return POISON; if (obj->otyp == LUMP_OF_ROYAL_JELLY && mon->data == &mons[PM_KILLER_BEE]) { struct monst *mtmp = find_pmmonst(PM_QUEEN_BEE); /* if there's a queen bee on the level, don't eat royal jelly; if there isn't, do eat it and grow into a queen */ return !mtmp ? DOGFOOD : TABU; } if (!carni && !herbi) return obj->cursed ? UNDEF : APPORT; /* a starving pet will eat almost anything */ starving = (mon->mtame && !mon->isminion && EDOG(mon)->mhpmax_penalty); /* even carnivores will eat carrots if they're temporarily blind */ mblind = (!mon->mcansee && haseyes(mon->data)); /* ghouls prefer old corpses and unhatchable eggs, yum! they'll eat fresh non-veggy corpses and hatchable eggs when starving; they never eat stone-to-flesh'd meat */ if (mptr == &mons[PM_GHOUL]) { if (obj->otyp == CORPSE) return (peek_at_iced_corpse_age(obj) + 50L <= g.moves && fptr != &mons[PM_LIZARD] && fptr != &mons[PM_LICHEN]) ? DOGFOOD : (starving && !vegan(fptr)) ? ACCFOOD : POISON; if (obj->otyp == EGG) return stale_egg(obj) ? CADAVER : starving ? ACCFOOD : POISON; return TABU; } switch (obj->otyp) { case TRIPE_RATION: case MEATBALL: case MEAT_RING: case MEAT_STICK: case HUGE_CHUNK_OF_MEAT: return carni ? DOGFOOD : MANFOOD; case EGG: return carni ? CADAVER : MANFOOD; case CORPSE: if ((peek_at_iced_corpse_age(obj) + 50L <= g.moves && obj->corpsenm != PM_LIZARD && obj->corpsenm != PM_LICHEN && mptr->mlet != S_FUNGUS) || (acidic(fptr) && !resists_acid(mon)) || (poisonous(fptr) && !resists_poison(mon))) return POISON; /* polymorphing is preferable to starvation, and pet might also want to take its chances on that if they've been mistreated */ else if (is_shapeshifter(fptr)) { if (mon->mtame == 1) { /* A herbivore still won't eat a nonvegan corpse, but in any other circumstance a pet with tameness 1 will happily eat a shapeshifter. */ return (herbi && !vegan(fptr)) ? MANFOOD : CADAVER; } return starving ? ACCFOOD : MANFOOD; } else if (vegan(fptr)) return herbi ? CADAVER : MANFOOD; /* most humanoids will avoid cannibalism unless starving; arbitrary: elves won't eat other elves even then */ else if (humanoid(mptr) && same_race(mptr, fptr) && (!is_undead(mptr) && fptr->mlet != S_KOBOLD && fptr->mlet != S_ORC && fptr->mlet != S_OGRE)) return (starving && carni && !is_elf(mptr)) ? ACCFOOD : TABU; else return carni ? CADAVER : MANFOOD; case GLOB_OF_GREEN_SLIME: /* other globs use the default case */ /* turning into slime is preferable to starvation */ return (starving || slimeproof(mon->data)) ? ACCFOOD : POISON; case CLOVE_OF_GARLIC: return (is_undead(mptr) || is_vampshifter(mon)) ? TABU : (herbi || starving) ? ACCFOOD : MANFOOD; case TIN: return metallivorous(mptr) ? ACCFOOD : MANFOOD; case APPLE: return herbi ? DOGFOOD : starving ? ACCFOOD : MANFOOD; case CARROT: return (herbi || mblind) ? DOGFOOD : starving ? ACCFOOD : MANFOOD; case BANANA: return (mptr->mlet == S_YETI && herbi) ? DOGFOOD /* for monkey and ape (tameable), sasquatch */ : (herbi || starving) ? ACCFOOD : MANFOOD; default: if (starving) return ACCFOOD; return (obj->otyp > SLIME_MOLD) ? (carni ? ACCFOOD : MANFOOD) : (herbi ? ACCFOOD : MANFOOD); } default: if (obj->otyp == AMULET_OF_STRANGULATION || obj->otyp == RIN_SLOW_DIGESTION) return TABU; if (mon_hates_silver(mon) && objects[obj->otyp].oc_material == SILVER) return TABU; if (mptr == &mons[PM_GELATINOUS_CUBE] && is_organic(obj)) return ACCFOOD; if (metallivorous(mptr) && is_metallic(obj) && (is_rustprone(obj) || mptr != &mons[PM_RUST_MONSTER])) { /* Non-rustproofed ferrous based metals are preferred. */ return (is_rustprone(obj) && !obj->oerodeproof) ? DOGFOOD : ACCFOOD; } if (!obj->cursed && obj->oclass != BALL_CLASS && obj->oclass != CHAIN_CLASS) return APPORT; /*FALLTHRU*/ case ROCK_CLASS: return UNDEF; } } /* * With the separate mextra structure added in 3.6.x this always * operates on the original mtmp. It now returns TRUE if the taming * succeeded. */ boolean tamedog(struct monst *mtmp, struct obj *obj) { /* The Wiz, Medusa and the quest nemeses aren't even made peaceful. */ if (mtmp->iswiz || mtmp->data == &mons[PM_MEDUSA] || (mtmp->data->mflags3 & M3_WANTSARTI)) return FALSE; /* worst case, at least it'll be peaceful. */ mtmp->mpeaceful = 1; set_malign(mtmp); if (flags.moonphase == FULL_MOON && night() && rn2(6) && obj && mtmp->data->mlet == S_DOG) return FALSE; /* If we cannot tame it, at least it's no longer afraid. */ mtmp->mflee = 0; mtmp->mfleetim = 0; /* make grabber let go now, whether it becomes tame or not */ if (mtmp == u.ustuck) { if (u.uswallow) expels(mtmp, mtmp->data, TRUE); else if (!(Upolyd && sticks(g.youmonst.data))) unstuck(mtmp); } /* feeding it treats makes it tamer */ if (mtmp->mtame && obj) { int tasty; if (mtmp->mcanmove && !mtmp->mconf && !mtmp->meating && ((tasty = dogfood(mtmp, obj)) == DOGFOOD || (tasty <= ACCFOOD && EDOG(mtmp)->hungrytime <= g.moves))) { /* pet will "catch" and eat this thrown food */ if (canseemon(mtmp)) { boolean big_corpse = (obj->otyp == CORPSE && obj->corpsenm >= LOW_PM && mons[obj->corpsenm].msize > mtmp->data->msize); pline("%s catches %s%s", Monnam(mtmp), the(xname(obj)), !big_corpse ? "." : ", or vice versa!"); } else if (cansee(mtmp->mx, mtmp->my)) pline("%s.", Tobjnam(obj, "stop")); /* dog_eat expects a floor object */ place_object(obj, mtmp->mx, mtmp->my); (void) dog_eat(mtmp, obj, mtmp->mx, mtmp->my, FALSE); /* eating might have killed it, but that doesn't matter here; a non-null result suppresses "miss" message for thrown food and also implies that the object has been deleted */ return TRUE; } else return FALSE; } if (mtmp->mtame || !mtmp->mcanmove /* monsters with conflicting structures cannot be tamed */ || mtmp->isshk || mtmp->isgd || mtmp->ispriest || mtmp->isminion || is_covetous(mtmp->data) || is_human(mtmp->data) || (is_demon(mtmp->data) && !is_demon(g.youmonst.data)) || (obj && dogfood(mtmp, obj) >= MANFOOD)) return FALSE; if (mtmp->m_id == g.quest_status.leader_m_id) return FALSE; /* add the pet extension */ newedog(mtmp); initedog(mtmp); if (obj) { /* thrown food */ /* defer eating until the edog extension has been set up */ place_object(obj, mtmp->mx, mtmp->my); /* put on floor */ /* devour the food (might grow into larger, genocided monster) */ if (dog_eat(mtmp, obj, mtmp->mx, mtmp->my, TRUE) == 2) return TRUE; /* oops, it died... */ /* `obj' is now obsolete */ } newsym(mtmp->mx, mtmp->my); if (attacktype(mtmp->data, AT_WEAP)) { mtmp->weapon_check = NEED_HTH_WEAPON; (void) mon_wield_item(mtmp); } return TRUE; } /* * Called during pet revival or pet life-saving. * If you killed the pet, it revives wild. * If you abused the pet a lot while alive, it revives wild. * If you abused the pet at all while alive, it revives untame. * If the pet wasn't abused and was very tame, it might revive tame. */ void wary_dog(struct monst *mtmp, boolean was_dead) { struct edog *edog; boolean quietly = was_dead; finish_meating(mtmp); if (!mtmp->mtame) return; edog = !mtmp->isminion ? EDOG(mtmp) : 0; /* if monster was starving when it died, undo that now */ if (edog && edog->mhpmax_penalty) { mtmp->mhpmax += edog->mhpmax_penalty; mtmp->mhp += edog->mhpmax_penalty; /* heal it */ edog->mhpmax_penalty = 0; } if (edog && (edog->killed_by_u == 1 || edog->abuse > 2)) { mtmp->mpeaceful = mtmp->mtame = 0; if (edog->abuse >= 0 && edog->abuse < 10) if (!rn2(edog->abuse + 1)) mtmp->mpeaceful = 1; if (!quietly && cansee(mtmp->mx, mtmp->my)) { if (haseyes(g.youmonst.data)) { if (haseyes(mtmp->data)) pline("%s %s to look you in the %s.", Monnam(mtmp), mtmp->mpeaceful ? "seems unable" : "refuses", body_part(EYE)); else pline("%s avoids your gaze.", Monnam(mtmp)); } } } else { /* chance it goes wild anyway - Pet Sematary */ mtmp->mtame = rn2(mtmp->mtame + 1); if (!mtmp->mtame) mtmp->mpeaceful = rn2(2); } if (!mtmp->mtame) { if (!quietly && canspotmon(mtmp)) pline("%s %s.", Monnam(mtmp), mtmp->mpeaceful ? "is no longer tame" : "has become feral"); newsym(mtmp->mx, mtmp->my); /* a life-saved monster might be leashed; don't leave it that way if it's no longer tame */ if (mtmp->mleashed) m_unleash(mtmp, TRUE); if (mtmp == u.usteed) dismount_steed(DISMOUNT_THROWN); } else if (edog) { /* it's still a pet; start a clean pet-slate now */ edog->revivals++; edog->killed_by_u = 0; edog->abuse = 0; edog->ogoal.x = edog->ogoal.y = -1; if (was_dead || edog->hungrytime < g.moves + 500L) edog->hungrytime = g.moves + 500L; if (was_dead) { edog->droptime = 0L; edog->dropdist = 10000; edog->whistletime = 0L; edog->apport = 5; } /* else lifesaved, so retain current values */ } } void abuse_dog(struct monst *mtmp) { if (!mtmp->mtame) return; if (Aggravate_monster || Conflict) mtmp->mtame /= 2; else mtmp->mtame--; if (mtmp->mtame && !mtmp->isminion) EDOG(mtmp)->abuse++; if (!mtmp->mtame && mtmp->mleashed) m_unleash(mtmp, TRUE); /* don't make a sound if pet is in the middle of leaving the level */ /* newsym isn't necessary in this case either */ if (mtmp->mx != 0) { if (mtmp->mtame && rn2(mtmp->mtame)) yelp(mtmp); else growl(mtmp); /* give them a moment's worry */ if (!mtmp->mtame) newsym(mtmp->mx, mtmp->my); } } /*dog.c*/