void
m_throw(struct monst *mon, int x, int y, int dx, int dy, int range,
struct obj *obj, boolean verbose)
{
struct monst *mtmp;
struct obj *singleobj;
struct tmp_sym *tsym = 0;
int hitu, blindinc = 0;
bhitpos.x = x;
bhitpos.y = y;
if (obj->quan == 1L) {
/*
* Remove object from minvent. This cannot be done later on;
* what if the player dies before then, leaving the monster
* with 0 daggers? (This caused the infamous 2^32-1 orcish
* dagger bug).
*
* VENOM is not in minvent - it should already be OBJ_FREE.
* The extract below does nothing.
*/
/* not possibly_unwield, which checks the object's */
/* location, not its existence */
if (MON_WEP(mon) == obj) {
setmnotwielded(mon, obj);
MON_NOWEP(mon);
}
obj_extract_self(obj);
singleobj = obj;
obj = NULL;
} else {
singleobj = splitobj(obj, 1L);
obj_extract_self(singleobj);
}
singleobj->owornmask = 0; /* threw one of multiple weapons in hand? */
singleobj->olev = level; /* object is on the same level as monster */
if ((singleobj->cursed || singleobj->greased) && (dx || dy) && !rn2(7)) {
if (canseemon(mon) && flags.verbose) {
if (is_ammo(singleobj))
pline("%s misfires!", Monnam(mon));
else
pline("%s as %s throws it!", Tobjnam(singleobj, "slip"),
mon_nam(mon));
}
dx = rn2(3) - 1;
dy = rn2(3) - 1;
/* check validity of new direction */
if (!dx && !dy) {
drop_throw(singleobj, 0, bhitpos.x, bhitpos.y);
return;
}
}
/* pre-check for doors, walls and boundaries. Also need to pre-check for
bars regardless of direction; the random chance for small objects
hitting bars is skipped when reaching them at point blank range */
if (!isok(bhitpos.x + dx, bhitpos.y + dy)
|| IS_ROCK(level->locations[bhitpos.x + dx][bhitpos.y + dy].typ)
|| closed_door(level, bhitpos.x + dx, bhitpos.y + dy)
|| (level->locations[bhitpos.x + dx][bhitpos.y + dy].typ == IRONBARS &&
hits_bars(&singleobj, bhitpos.x, bhitpos.y, 0, 0))) {
drop_throw(singleobj, 0, bhitpos.x, bhitpos.y);
return;
}
/* Note: drop_throw may destroy singleobj. Since obj must be destroyed
early to avoid the dagger bug, anyone who modifies this code should be
careful not to use either one after it's been freed. */
tsym = tmpsym_initobj(singleobj);
while (range-- > 0) { /* Actually the loop is always exited by break */
bhitpos.x += dx;
bhitpos.y += dy;
if ((mtmp = m_at(level, bhitpos.x, bhitpos.y)) != 0) {
if (ohitmon(mtmp, singleobj, range, verbose))
break;
} else if (bhitpos.x == u.ux && bhitpos.y == u.uy) {
action_interrupted();
if (singleobj->oclass == GEM_CLASS &&
singleobj->otyp <= LAST_GEM + 9
/* 9 glass colors */
&& is_unicorn(youmonst.data) && !u_helpless(hm_all)) {
if (singleobj->otyp > LAST_GEM) {
pline("You catch the %s.", xname(singleobj));
pline("You are not interested in %s junk.",
s_suffix(mon_nam(mon)));
makeknown(singleobj->otyp);
dropy(singleobj);
} else {
pline("You accept %s gift in the spirit in which it was "
"intended.", s_suffix(mon_nam(mon)));
hold_another_object(singleobj, "You catch, but drop, %s.",
xname(singleobj), "You catch:");
}
break;
}
if (singleobj->oclass == POTION_CLASS) {
if (!Blind)
singleobj->dknown = 1;
potionhit(&youmonst, singleobj, FALSE);
break;
}
switch (singleobj->otyp) {
int dam, hitv;
case EGG:
if (!touch_petrifies(&mons[singleobj->corpsenm])) {
impossible("monster throwing egg type %d",
singleobj->corpsenm);
hitu = 0;
break;
}
/* fall through */
case CREAM_PIE:
case BLINDING_VENOM:
hitu = thitu(8, 0, singleobj, NULL);
break;
default:
dam = dmgval(singleobj, &youmonst);
hitv = 3 - distmin(u.ux, u.uy, mon->mx, mon->my);
if (hitv < -4)
hitv = -4;
if (is_elf(mon->data) &&
objects[singleobj->otyp].oc_skill == P_BOW) {
hitv++;
if (MON_WEP(mon) && MON_WEP(mon)->otyp == ELVEN_BOW)
hitv++;
if (singleobj->otyp == ELVEN_ARROW)
dam++;
}
if (bigmonst(youmonst.data))
hitv++;
hitv += 8 + singleobj->spe;
if (dam < 1)
dam = 1;
if (objects[singleobj->otyp].oc_class == WEAPON_CLASS ||
objects[singleobj->otyp].oc_class == VENOM_CLASS) {
hitv += objects[singleobj->otyp].oc_hitbon;
}
hitu = thitu(hitv, dam, singleobj, NULL);
}
if (hitu && singleobj->opoisoned && is_poisonable(singleobj)) {
poisoned(xname(singleobj), A_STR,
killer_msg_obj(POISONING, singleobj), -10);
}
if (hitu &&
can_blnd(NULL, &youmonst,
(uchar) (singleobj->otyp ==
BLINDING_VENOM ? AT_SPIT : AT_WEAP),
singleobj)) {
blindinc = rnd(25);
if (singleobj->otyp == CREAM_PIE) {
if (!Blind)
pline("Yecch! You've been creamed.");
else
pline("There's something sticky all over your %s.",
body_part(FACE));
} else if (singleobj->otyp == BLINDING_VENOM) {
int num_eyes = eyecount(youmonst.data);
/* venom in the eyes */
if (!Blind)
pline("The venom blinds you.");
else
pline("Your %s sting%s.",
(num_eyes ==
1) ? body_part(EYE) : makeplural(body_part(EYE)),
(num_eyes == 1) ? "s" : "");
}
}
if (hitu && singleobj->otyp == VAMPIRE_BLOOD) {
if (!Drain_resistance) {
losexp("vampire blood", FALSE);
}
}
if (hitu && singleobj->otyp == EGG) {
if (touched_monster(singleobj->corpsenm))
Stoned = 5;
}
action_interrupted();
if (hitu || !range) {
drop_throw(singleobj, hitu, u.ux, u.uy);
break;
}
} else if (!range /* reached end of path */
/* missile hits edge of screen */
|| !isok(bhitpos.x + dx, bhitpos.y + dy)
/* missile hits the wall */
|| IS_ROCK(level->
locations[bhitpos.x + dx][bhitpos.y + dy].typ)
/* missile hit closed door */
|| closed_door(level, bhitpos.x + dx, bhitpos.y + dy)
/* missile might hit iron bars */
|| (level->locations[bhitpos.x + dx][bhitpos.y + dy].typ ==
IRONBARS &&
hits_bars(&singleobj, bhitpos.x, bhitpos.y, !rn2(5), 0))
/* Thrown objects "sink" */
|| IS_SINK(level->locations[bhitpos.x][bhitpos.y].typ)) {
if (singleobj) /* hits_bars might have destroyed it */
drop_throw(singleobj, 0, bhitpos.x, bhitpos.y);
break;
}
tmpsym_at(tsym, bhitpos.x, bhitpos.y);
win_delay_output();
}
tmpsym_at(tsym, bhitpos.x, bhitpos.y);
win_delay_output();
tmpsym_end(tsym);
if (blindinc) {
u.ucreamed += blindinc;
make_blinded(Blinded + (long)blindinc, FALSE);
if (!Blind)
pline("Your vision quickly clears.");
else if (flags.verbose)
pline("Use the command #wipe to clean your %s.", body_part(FACE));
}
}
int
dothrow()
{
struct obj *obj;
struct monst *mon;
int tmp;
obj = getobj("#)", "throw"); /* it is also possible to throw food */
/* (or jewels, or iron balls ... ) */
if(!obj || !getdir(1)) /* ask "in what direction?" */
return(0);
if(obj->owornmask & (W_ARMOR | W_RING)){
pline("You can't throw something you are wearing.");
return(0);
}
u_wipe_engr(2);
if(obj == uwep){
if(obj->cursed){
pline("Your weapon is welded to your hand.");
return(1);
}
if(obj->quan > 1)
setuwep(splitobj(obj, 1));
else
setuwep((struct obj *) 0);
}
else if(obj->quan > 1)
(void) splitobj(obj, 1);
freeinv(obj);
if(u.uswallow) {
mon = u.ustuck;
bhitpos.x = mon->mx;
bhitpos.y = mon->my;
} else if(u.dz) {
if(u.dz < 0) {
pline("%s hits the ceiling, then falls back on top of your head.",
Doname(obj)); /* note: obj->quan == 1 */
if(obj->olet == POTION_SYM)
potionhit(&youmonst, obj);
else {
if(uarmh) pline("Fortunately, you are wearing a helmet!");
losehp(uarmh ? 1 : rnd((int)(obj->owt)), "falling object");
dropy(obj);
}
} else {
pline("%s hits the floor.", Doname(obj));
if(obj->otyp == EXPENSIVE_CAMERA) {
pline("It is shattered in a thousand pieces!");
obfree(obj, Null(obj));
} else if(obj->otyp == EGG) {
pline("\"Splash!\"");
obfree(obj, Null(obj));
} else if(obj->olet == POTION_SYM) {
pline("The flask breaks, and you smell a peculiar odor ...");
potionbreathe(obj);
obfree(obj, Null(obj));
} else {
dropy(obj);
}
}
return(1);
} else if(obj->otyp == BOOMERANG) {
mon = boomhit(u.dx, u.dy);
if(mon == &youmonst) { /* the thing was caught */
(void) addinv(obj);
return(1);
}
} else {
if(obj->otyp == PICK_AXE && shkcatch(obj))
return(1);
mon = bhit(u.dx, u.dy, (obj->otyp == ICE_BOX) ? 1 :
(!Punished || obj != uball) ? 8 : !u.ustuck ? 5 : 1,
obj->olet, NULL, NULL, obj);
}
if(mon) {
/* awake monster if sleeping */
wakeup(mon);
if(obj->olet == WEAPON_SYM) {
tmp = -1+u.ulevel+mon->data->ac+abon();
if(obj->otyp < ROCK) {
if(!uwep ||
uwep->otyp != obj->otyp+(BOW-ARROW))
tmp -= 4;
else {
tmp += uwep->spe;
}
} else
if(obj->otyp == BOOMERANG) tmp += 4;
tmp += obj->spe;
if(u.uswallow || tmp >= rnd(20)) {
if(hmon(mon,obj,1) == TRUE){
/* mon still alive */
#ifndef NOWORM
cutworm(mon,bhitpos.x,bhitpos.y,obj->otyp);
#endif /* NOWORM */
} else mon = 0;
/* weapons thrown disappear sometimes */
if(obj->otyp < BOOMERANG && rn2(3)) {
/* check bill; free */
obfree(obj, (struct obj *) 0);
return(1);
}
} else miss(objects[obj->otyp].oc_name, mon);
} else if(obj->otyp == HEAVY_IRON_BALL) {
tmp = -1+u.ulevel+mon->data->ac+abon();
if(!Punished || obj != uball) tmp += 2;
if(u.utrap) tmp -= 2;
if(u.uswallow || tmp >= rnd(20)) {
if(hmon(mon,obj,1) == FALSE)
mon = 0; /* he died */
} else miss("iron ball", mon);
} else if(obj->olet == POTION_SYM && u.ulevel > rn2(15)) {
potionhit(mon, obj);
return(1);
} else {
if(cansee(bhitpos.x,bhitpos.y))
pline("You miss %s.",monnam(mon));
else pline("You miss it.");
if(obj->olet == FOOD_SYM && mon->data->mlet == 'd')
if(tamedog(mon,obj)) return(1);
if(obj->olet == GEM_SYM && mon->data->mlet == 'u' &&
!mon->mtame){
if(obj->dknown && objects[obj->otyp].oc_name_known){
if(objects[obj->otyp].g_val > 0){
u.uluck += 5;
goto valuable;
} else {
pline("%s is not interested in your junk.",
Monnam(mon));
}
} else { /* value unknown to @ */
u.uluck++;
valuable:
if(u.uluck > LUCKMAX) /* dan@ut-ngp */
u.uluck = LUCKMAX;
pline("%s graciously accepts your gift.",
Monnam(mon));
mpickobj(mon, obj);
rloc(mon);
return(1);
}
}
}
}
/* the code following might become part of dropy() */
if(obj->otyp == CRYSKNIFE)
obj->otyp = WORM_TOOTH;
obj->ox = bhitpos.x;
obj->oy = bhitpos.y;
obj->nobj = fobj;
fobj = obj;
/* prevent him from throwing articles to the exit and escaping */
/* subfrombill(obj); */
stackobj(obj);
if(Punished && obj == uball &&
(bhitpos.x != u.ux || bhitpos.y != u.uy)){
freeobj(uchain);
unpobj(uchain);
if(u.utrap){
if(u.utraptype == TT_PIT)
pline("The ball pulls you out of the pit!");
else {
long side =
rn2(3) ? LEFT_SIDE : RIGHT_SIDE;
pline("The ball pulls you out of the bear trap.");
pline("Your %s leg is severely damaged.",
(side == LEFT_SIDE) ? "left" : "right");
set_wounded_legs(side, 500+rn2(1000));
losehp(2, "thrown ball");
}
u.utrap = 0;
}
unsee();
uchain->nobj = fobj;
fobj = uchain;
u.ux = uchain->ox = bhitpos.x - u.dx;
u.uy = uchain->oy = bhitpos.y - u.dy;
setsee();
(void) inshop();
}
if(cansee(bhitpos.x, bhitpos.y)) prl(bhitpos.x,bhitpos.y);
return(1);
}
/* an object launched by someone/thing other than player attacks a monster;
return 1 if the object has stopped moving (hit or its range used up) */
int
ohitmon(struct monst *mtmp, /* accidental target */
struct obj *otmp, /* missile; might be destroyed by drop_throw */
int range, /* how much farther will object travel if it misses */
/* Use -1 to signify to keep going even after hit, unless it's gone
(used for rolling_boulder_traps) */
boolean verbose) { /* give message(s) even when you can't see what
happened */
int damage, tmp;
boolean vis, ismimic;
int objgone = 1;
ismimic = mtmp->m_ap_type && mtmp->m_ap_type != M_AP_MONSTER;
vis = cansee(bhitpos.x, bhitpos.y);
tmp = 5 + find_mac(mtmp) + omon_adj(mtmp, otmp, FALSE);
if (tmp < rnd(20)) {
if (!ismimic) {
if (vis)
miss(distant_name(otmp, mshot_xname), mtmp);
else if (verbose)
pline("It is missed.");
}
if (!range) { /* Last position; object drops */
if (is_pole(otmp))
return 1;
drop_throw(otmp, 0, mtmp->mx, mtmp->my);
return 1;
}
} else if (otmp->oclass == POTION_CLASS) {
if (ismimic)
seemimic(mtmp);
mtmp->msleeping = 0;
if (vis)
otmp->dknown = 1;
potionhit(mtmp, otmp, FALSE);
return 1;
} else {
damage = dmgval(otmp, mtmp);
if (otmp->otyp == ACID_VENOM && resists_acid(mtmp))
damage = 0;
if (otmp->otyp == VAMPIRE_BLOOD && resists_drli(mtmp))
damage = 0;
if (ismimic)
seemimic(mtmp);
mtmp->msleeping = 0;
if (vis)
hit(distant_name(otmp, mshot_xname), mtmp, exclam(damage));
else if (verbose)
pline("%s is hit%s", Monnam(mtmp), exclam(damage));
if (otmp->opoisoned && is_poisonable(otmp)) {
if (resists_poison(mtmp)) {
if (vis)
pline("The poison doesn't seem to affect %s.",
mon_nam(mtmp));
} else {
if (rn2(30)) {
damage += rnd(6);
} else {
if (vis)
pline("The poison was deadly...");
damage = mtmp->mhp;
}
}
}
if (objects[otmp->otyp].oc_material == SILVER &&
hates_silver(mtmp->data)) {
if (vis)
pline("The silver sears %s flesh!", s_suffix(mon_nam(mtmp)));
else if (verbose)
pline("Its flesh is seared!");
}
if (otmp->otyp == ACID_VENOM && cansee(mtmp->mx, mtmp->my)) {
if (resists_acid(mtmp)) {
if (vis || verbose)
pline("%s is unaffected.", Monnam(mtmp));
damage = 0;
} else {
if (vis)
pline("The acid burns %s!", mon_nam(mtmp));
else if (verbose)
pline("It is burned!");
}
}
mtmp->mhp -= damage;
if (mtmp->mhp < 1) {
if (vis || verbose)
pline("%s is %s!", Monnam(mtmp),
(nonliving(mtmp->data) || !canclassifymon(mtmp))
? "destroyed" : "killed");
/* don't blame hero for unknown rolling boulder trap */
if (!flags.mon_moving &&
(otmp->otyp != BOULDER || range >= 0 || otmp->otrapped))
xkilled(mtmp, 0);
else
mondied(mtmp);
}
if (can_blnd
(NULL, mtmp,
(uchar) (otmp->otyp == BLINDING_VENOM ? AT_SPIT : AT_WEAP),
otmp)) {
if (vis && mtmp->mcansee)
pline("%s is blinded by %s.", Monnam(mtmp), the(xname(otmp)));
mtmp->mcansee = 0;
tmp = (int)mtmp->mblinded + rnd(25) + 20;
if (tmp > 127)
tmp = 127;
mtmp->mblinded = tmp;
}
if (otmp->otyp == VAMPIRE_BLOOD) {
if (!resists_drli(mtmp)) {
int xtmp = dice(2, 6);
if (vis)
pline("%s suddenly seems weaker!", Monnam(mtmp));
mtmp->mhpmax -= xtmp;
if ((mtmp->mhp -= xtmp) <= 0 || !mtmp->m_lev) {
if (vis)
pline("%s dies!", Monnam(mtmp));
xkilled(mtmp, 0);
} else
mtmp->m_lev--;
}
obfree(otmp, NULL);
return 1;
}
if (is_pole(otmp))
return 1;
objgone = drop_throw(otmp, 1, bhitpos.x, bhitpos.y);
if (!objgone && range == -1) { /* special case */
obj_extract_self(otmp); /* free it for motion again */
return 0;
}
return 1;
}
return 0;
}
