/* monster attempts ranged weapon attack against a square */
void
thrwmq(struct monst *mtmp, int xdef, int ydef)
{
struct obj *otmp, *mwep;
schar skill;
int multishot;
const char *onm;
/* Rearranged beginning so monsters can use polearms not in a line */
if (mtmp->weapon_check == NEED_WEAPON || !MON_WEP(mtmp)) {
mtmp->weapon_check = NEED_RANGED_WEAPON;
/* mon_wield_item resets weapon_check as appropriate */
if (mon_wield_item(mtmp) != 0)
return;
}
/* Pick a weapon */
otmp = select_rwep(mtmp);
if (!otmp)
return;
if (is_pole(otmp)) {
int dam, hitv;
if (otmp != MON_WEP(mtmp))
return; /* polearm must be wielded */
/* TODO: LOE function between two arbitrary points. */
if (dist2(mtmp->mx, mtmp->my, xdef, ydef) > POLE_LIM ||
(xdef == u.ux && ydef == u.uy && !couldsee(mtmp->mx, mtmp->my)))
return; /* Out of range, or intervening wall */
if (mon_visible(mtmp)) {
onm = singular(otmp, xname);
pline("%s thrusts %s.", Monnam(mtmp),
obj_is_pname(otmp) ? the(onm) : an(onm));
}
if (xdef == u.ux && ydef == u.uy) {
dam = dmgval(otmp, &youmonst);
hitv = 3 - distmin(u.ux, u.uy, mtmp->mx, mtmp->my);
if (hitv < -4)
hitv = -4;
if (bigmonst(youmonst.data))
hitv++;
hitv += 8 + otmp->spe;
if (objects[otmp->otyp].oc_class == WEAPON_CLASS ||
objects[otmp->otyp].oc_class == VENOM_CLASS)
hitv += objects[otmp->otyp].oc_hitbon;
if (dam < 1)
dam = 1;
thitu(hitv, dam, otmp, NULL);
action_interrupted();
} else if (MON_AT(level, xdef, ydef))
(void)ohitmon(m_at(level, xdef, ydef), otmp, 0, FALSE);
else if (mon_visible(mtmp))
pline("But it misses wildly.");
return;
}
if (!qlined_up(mtmp, xdef, ydef, FALSE, FALSE) ||
!ai_use_at_range(BOLT_LIM - distmin(mtmp->mx, mtmp->my, xdef, ydef)))
return;
skill = objects[otmp->otyp].oc_skill;
mwep = MON_WEP(mtmp); /* wielded weapon */
/* Multishot calculations */
multishot = 1;
if ((ammo_and_launcher(otmp, mwep) || skill == P_DAGGER || skill == -P_DART
|| skill == -P_SHURIKEN) && !mtmp->mconf) {
/* Assumes lords are skilled, princes are expert */
if (is_prince(mtmp->data))
multishot += 2;
else if (is_lord(mtmp->data))
multishot++;
switch (monsndx(mtmp->data)) {
case PM_RANGER:
multishot++;
break;
case PM_ROGUE:
if (skill == P_DAGGER)
multishot++;
break;
case PM_NINJA:
case PM_SAMURAI:
if (otmp->otyp == YA && mwep && mwep->otyp == YUMI)
multishot++;
break;
default:
break;
}
/* racial bonus */
if ((is_elf(mtmp->data) && otmp->otyp == ELVEN_ARROW && mwep &&
mwep->otyp == ELVEN_BOW) || (is_orc(mtmp->data) &&
otmp->otyp == ORCISH_ARROW && mwep &&
mwep->otyp == ORCISH_BOW))
multishot++;
if ((long)multishot > otmp->quan)
multishot = (int)otmp->quan;
if (multishot < 1)
multishot = 1;
else
multishot = rnd(multishot);
}
if (mon_visible(mtmp)) {
if (multishot > 1) {
/* "N arrows"; multishot > 1 implies otmp->quan > 1, so xname()'s
result will already be pluralized */
onm = msgprintf("%d %s", multishot, xname(otmp));
} else {
/* "an arrow" */
onm = singular(otmp, xname);
onm = obj_is_pname(otmp) ? the(onm) : an(onm);
}
m_shot.s = ammo_and_launcher(otmp, mwep) ? TRUE : FALSE;
pline("%s %s %s!", Monnam(mtmp), m_shot.s ? "shoots" : "throws", onm);
m_shot.o = otmp->otyp;
} else {
m_shot.o = STRANGE_OBJECT; /* don't give multishot feedback */
}
m_shot.n = multishot;
for (m_shot.i = 1; m_shot.i <= m_shot.n; m_shot.i++) {
m_throw(mtmp, mtmp->mx, mtmp->my, sgn(tbx), sgn(tby),
distmin(mtmp->mx, mtmp->my, xdef, ydef), otmp, TRUE);
/* conceptually all N missiles are in flight at once, but
if mtmp gets killed (shot kills adjacent gas spore and
triggers explosion, perhaps), inventory will be dropped
and otmp might go away via merging into another stack;
if we then use it, we could cause undefined behavior */
if (mtmp->mhp <= 0 && m_shot.i < m_shot.n) {
/* cancel pending shots (ought to give a message here since
we gave one above about throwing/shooting N missiles) */
break; /* endmultishot(FALSE); */
}
}
m_shot.n = m_shot.i = 0;
m_shot.o = STRANGE_OBJECT;
m_shot.s = FALSE;
action_interrupted();
}
/* fungi will eat even tainted food */
int
dogfood(const struct monst *mon, struct obj *obj)
{
boolean carni = carnivorous(mon->data);
boolean herbi = herbivorous(mon->data);
const struct permonst *fptr = &mons[obj->corpsenm];
boolean starving;
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 &&
((touch_petrifies(&mons[obj->corpsenm]) && !resists_ston(mon))
|| is_rider(fptr)))
return TABU;
/* Ghouls only eat old corpses... yum! */
if (mon->data == &mons[PM_GHOUL])
return (obj->otyp == CORPSE &&
peek_at_iced_corpse_age(obj) + 50L <=
moves) ? DOGFOOD : TABU;
if (!carni && !herbi)
return obj->cursed ? UNDEF : APPORT;
/* a starving pet will eat almost anything */
starving = (mon->mtame && !mon->isminion &&
CONST_EDOG(mon)->mhpmax_penalty);
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:
if (touch_petrifies(&mons[obj->corpsenm]) && !resists_ston(mon))
return POISON;
return carni ? CADAVER : MANFOOD;
case CORPSE:
if ((peek_at_iced_corpse_age(obj) + 50L <= moves &&
obj->corpsenm != PM_LIZARD && obj->corpsenm != PM_LICHEN &&
mon->data->mlet != S_FUNGUS) ||
(acidic(&mons[obj->corpsenm]) && !resists_acid(mon)) ||
(poisonous(&mons[obj->corpsenm]) && !resists_poison(mon)))
return POISON;
else if (vegan(fptr))
return herbi ? CADAVER : MANFOOD;
else
return carni ? CADAVER : MANFOOD;
case CLOVE_OF_GARLIC:
return (is_undead(mon->data) ? TABU
: ((herbi || starving) ? ACCFOOD : MANFOOD));
case TIN:
return metallivorous(mon->data) ? ACCFOOD : MANFOOD;
case APPLE:
case CARROT:
return herbi ? DOGFOOD : starving ? ACCFOOD : MANFOOD;
case BANANA:
return ((mon->data->mlet ==
S_YETI) ? DOGFOOD : ((herbi ||
starving) ? ACCFOOD : MANFOOD));
case K_RATION:
case C_RATION:
case CRAM_RATION:
case LEMBAS_WAFER:
case FOOD_RATION:
if (is_human(mon->data) || is_elf(mon->data) || is_dwarf(mon->data)
|| is_gnome(mon->data) || is_orc(mon->data))
return ACCFOOD;
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 (hates_silver(mon->data) && objects[obj->otyp].oc_material == SILVER)
return TABU;
if (mon->data == &mons[PM_GELATINOUS_CUBE] && is_organic(obj))
return ACCFOOD;
if (metallivorous(mon->data) && is_metallic(obj) &&
(is_rustprone(obj) || mon->data != &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;
/* fall into next case */
case ROCK_CLASS:
return UNDEF;
}
}
