static void
cast_protection(void)
{
int loglev = 0;
int l = u.ulevel;
int natac = get_player_ac() + u.uspellprot;
int gain;
/* loglev=log2(u.ulevel)+1 (1..5) */
while (l) {
loglev++;
l /= 2;
}
/*
* The more u.uspellprot you already have, the less you get,
* and the better your natural ac, the less you get.
*
* LEVEL AC SPELLPROT from sucessive SPE_PROTECTION casts
* 1 10 0, 1, 2, 3, 4
* 1 0 0, 1, 2, 3
* 1 -10 0, 1, 2
* 2-3 10 0, 2, 4, 5, 6, 7, 8
* 2-3 0 0, 2, 4, 5, 6
* 2-3 -10 0, 2, 3, 4
* 4-7 10 0, 3, 6, 8, 9, 10, 11, 12
* 4-7 0 0, 3, 5, 7, 8, 9
* 4-7 -10 0, 3, 5, 6
* 7-15 -10 0, 3, 5, 6
* 8-15 10 0, 4, 7, 10, 12, 13, 14, 15, 16
* 8-15 0 0, 4, 7, 9, 10, 11, 12
* 8-15 -10 0, 4, 6, 7, 8
* 16-30 10 0, 5, 9, 12, 14, 16, 17, 18, 19, 20
* 16-30 0 0, 5, 9, 11, 13, 14, 15
* 16-30 -10 0, 5, 8, 9, 10
*/
gain = loglev - (int)u.uspellprot / (4 - min(3, (10 - natac) / 10));
if (gain > 0) {
if (!Blind) {
const char *hgolden = hcolor("golden");
if (u.uspellprot)
pline("The %s haze around you becomes more dense.", hgolden);
else
pline("The %s around you begins to shimmer with %s haze.",
(Underwater || Is_waterlevel(&u.uz)) ? "water" :
Engulfed ? mbodypart(u.ustuck, STOMACH) :
IS_STWALL(level->locations[u.ux][u.uy].typ) ? "stone" :
"air",
an(hgolden));
}
u.uspellprot += gain;
u.uspmtime =
P_SKILL(spell_skilltype(SPE_PROTECTION)) == P_EXPERT ? 20 : 10;
if (!u.usptime)
u.usptime = u.uspmtime;
} else {
pline("Your %s feels warm for a moment.", body_part(SKIN));
}
}
const char *body_part(int part)
{
return mbodypart(&youmonst, part);
}
/* the tsurugi of muramasa or vorpal blade hit someone */
static boolean artifact_hit_behead(struct monst *magr, struct monst *mdef,
struct obj *otmp, int *dmgptr, int dieroll)
{
boolean youattack = (magr == &youmonst);
boolean youdefend = (mdef == &youmonst);
boolean vis = (!youattack && magr && cansee(magr->mx, magr->my))
|| (!youdefend && cansee(mdef->mx, mdef->my))
|| (youattack && u.uswallow && mdef == u.ustuck && !Blind);
const char *wepdesc;
char hittee[BUFSZ];
strcpy(hittee, youdefend ? "you" : mon_nam(mdef));
/* We really want "on a natural 20" but Nethack does it in reverse from AD&D. */
if (otmp->oartifact == ART_TSURUGI_OF_MURAMASA && dieroll == 1) {
wepdesc = "The razor-sharp blade";
/* not really beheading, but so close, why add another SPFX */
if (youattack && u.uswallow && mdef == u.ustuck) {
pline("You slice %s wide open!", mon_nam(mdef));
*dmgptr = 2 * mdef->mhp + FATAL_DAMAGE_MODIFIER;
return TRUE;
}
if (!youdefend) {
/* allow normal cutworm() call to add extra damage */
if (notonhead)
return FALSE;
if (bigmonst(mdef->data)) {
if (youattack)
pline("You slice deeply into %s!",
mon_nam(mdef));
else if (vis)
pline("%s cuts deeply into %s!",
Monnam(magr), hittee);
*dmgptr *= 2;
return TRUE;
}
*dmgptr = 2 * mdef->mhp + FATAL_DAMAGE_MODIFIER;
pline("%s cuts %s in half!", wepdesc, mon_nam(mdef));
otmp->dknown = TRUE;
return TRUE;
} else {
if (bigmonst(youmonst.data)) {
pline("%s cuts deeply into you!",
magr ? Monnam(magr) : wepdesc);
*dmgptr *= 2;
return TRUE;
}
/* Players with negative AC's take less damage instead
* of just not getting hit. We must add a large enough
* value to the damage so that this reduction in
* damage does not prevent death.
*/
*dmgptr = 2 * (Upolyd ? u.mh : u.uhp) + FATAL_DAMAGE_MODIFIER;
pline("%s cuts you in half!", wepdesc);
otmp->dknown = TRUE;
return TRUE;
}
} else if (otmp->oartifact == ART_VORPAL_BLADE &&
(dieroll == 1 || mdef->data == &mons[PM_JABBERWOCK])) {
static const char * const behead_msg[2] = {
"%s beheads %s!",
"%s decapitates %s!"
};
if (youattack && u.uswallow && mdef == u.ustuck)
return FALSE;
wepdesc = artilist[ART_VORPAL_BLADE].name;
if (!youdefend) {
if (!has_head(mdef->data) || notonhead || u.uswallow) {
if (youattack)
pline("Somehow, you miss %s wildly.",
mon_nam(mdef));
else if (vis)
pline("Somehow, %s misses wildly.",
mon_nam(magr));
*dmgptr = 0;
return (boolean)(youattack || vis);
}
if (noncorporeal(mdef->data) || amorphous(mdef->data)) {
pline("%s slices through %s %s.", wepdesc,
s_suffix(mon_nam(mdef)),
mbodypart(mdef,NECK));
return TRUE;
}
*dmgptr = 2 * mdef->mhp + FATAL_DAMAGE_MODIFIER;
pline(behead_msg[rn2(SIZE(behead_msg))],
wepdesc, mon_nam(mdef));
otmp->dknown = TRUE;
return TRUE;
} else {
if (!has_head(youmonst.data)) {
pline("Somehow, %s misses you wildly.",
magr ? mon_nam(magr) : wepdesc);
*dmgptr = 0;
return TRUE;
}
if (noncorporeal(youmonst.data) || amorphous(youmonst.data)) {
pline("%s slices through your %s.",
wepdesc, body_part(NECK));
return TRUE;
}
*dmgptr = 2 * (Upolyd ? u.mh : u.uhp)
+ FATAL_DAMAGE_MODIFIER;
pline(behead_msg[rn2(SIZE(behead_msg))],
wepdesc, "you");
otmp->dknown = TRUE;
/* Should amulets fall off? */
return TRUE;
}
}
return FALSE;
}
