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Merge pull request #6826 from Elron103/pull-requests2

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Core/Entities: Fix possible overflows in health calculation functions
This commit is contained in:
QAston
2012-06-17 03:19:46 -07:00
parent 1c8211e852 f0d14c372c
commit 14430c5884
1 changed files with 4 additions and 4 deletions
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8
src/server/game/Entities/Unit/Unit.h
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@@ -1337,10 +1337,10 @@ class Unit : public WorldObject
uint32 GetMaxHealth() const { return GetUInt32Value(UNIT_FIELD_MAXHEALTH); }
bool IsFullHealth() const { return GetHealth() == GetMaxHealth(); }
bool HealthBelowPct(int32 pct) const { return GetHealth() * uint64(100) < GetMaxHealth() * uint64(pct); }
bool HealthBelowPctDamaged(int32 pct, uint32 damage) const { return (int32(GetHealth()) - damage) * int64(100) < GetMaxHealth() * int64(pct); }
bool HealthAbovePct(int32 pct) const { return GetHealth() * uint64(100) > GetMaxHealth() * uint64(pct); }
bool HealthAbovePctHealed(int32 pct, uint32 heal) const { return (GetHealth() + heal) * uint64(100) > GetMaxHealth() * uint64(pct); }
bool HealthBelowPct(int32 pct) const { return GetHealth() < CountPctFromMaxHealth(pct); }
bool HealthBelowPctDamaged(int32 pct, uint32 damage) const { return int64(GetHealth()) - int64(damage) < int64(CountPctFromMaxHealth(pct)); }
bool HealthAbovePct(int32 pct) const { return GetHealth() > CountPctFromMaxHealth(pct); }
bool HealthAbovePctHealed(int32 pct, uint32 heal) const { return uint64(GetHealth()) + uint64(heal) > CountPctFromMaxHealth(pct); }
float GetHealthPct() const { return GetMaxHealth() ? 100.f * GetHealth() / GetMaxHealth() : 0.0f; }
uint32 CountPctFromMaxHealth(int32 pct) const { return CalculatePctN(GetMaxHealth(), pct); }
uint32 CountPctFromCurHealth(int32 pct) const { return CalculatePctN(GetHealth(), pct); }