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mon->mhp manipulation

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I've hunted for other instances where monster hit points were set
to zero or less without calling the routine that kills off the
monster (see recent mon_unslime() vs zhitm()) and didn't find any
for mhp subtraction.  I haven't checked for direct assignment yet.

For a while I thought I'd found several cases where a monster was
intended to be killed but got left with positive hit points, but
it turned out that lifesaved_monster(), of all places, was setting
them to zero.  I've moved that to its callers so that it isn't so
well hidden.  And changed several ''if ((mon->mhp -= dmg) <= 0)''
into separate subtraction and 'if' just so the mhp manipulation is
a bit more visible.

I think the only actual change here is the message for monster
being killed by lava, where glass golems now melt instead of burn.
This commit is contained in:
PatR
2016-05-21 18:25:16 -07:00
parent 29e9179ca5
commit c1bfa1360f
7 changed files with 49 additions and 28 deletions
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17
src/muse.c
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@@ -140,7 +140,7 @@ struct obj *obj;
int dam = d(obj->spe + 2, 6);
/* 3.6.1: no Deaf filter; 'if' message doesn't warrant it, 'else'
message doesn't need it since Your_hear() has one of its own */
message doesn't need it since You_hear() has one of its own */
if (vis) {
pline("%s zaps %s, which suddenly explodes!", Monnam(mon),
an(xname(obj)));
@@ -154,11 +154,11 @@ struct obj *obj;
? "nearby" : "in the distance");
}
m_useup(mon, obj);
if (mon->mhp <= dam) {
mon->mhp -= dam;
if (mon->mhp <= 0) {
monkilled(mon, "", AD_RBRE);
return 1;
} else
mon->mhp -= dam;
}
m.has_defense = m.has_offense = m.has_misc = 0;
/* Only one needed to be set to 0 but the others are harmless */
}
@@ -1498,10 +1498,13 @@ struct monst *mtmp;
else
losehp(num, "scroll of fire", KILLED_BY_AN);
for (mtmp2 = fmon; mtmp2; mtmp2 = mtmp2->nmon) {
if (DEADMONSTER(mtmp2)) continue;
if (mtmp == mtmp2) continue;
if (DEADMONSTER(mtmp2))
continue;
if (mtmp == mtmp2)
continue;
if (dist2(mtmp2->mx, mtmp2->my, mtmp->mx, mtmp->my) < 3) {
if (resists_fire(mtmp2)) continue;
if (resists_fire(mtmp2))
continue;
mtmp2->mhp -= num;
if (resists_cold(mtmp2))
mtmp2->mhp -= 3 * num;