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Core/Threat: fix a potential super edge case iterator invalidation

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(cherry picked from commit 3dcd49ef90)
This commit is contained in:
Treeston
2018-01-09 23:42:22 +01:00
committed by Shauren
parent 4a65dcaecb
commit 7cd61b581c
1 changed files with 3 additions and 1 deletions
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4
src/server/game/Combat/ThreatManager.cpp
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@@ -342,7 +342,9 @@ void ThreatManager::AddThreat(Unit* target, float amount, SpellInfo const* spell
if (!redirInfo.empty())
{
float const origAmount = amount;
for (auto const& pair : redirInfo) // (victim,pct)
// intentional copy - there's a nested AddThreat call further down that might cause AI calls which cast spells
auto const redirects = redirInfo;
for (auto const& pair : redirects) // (victim,pct)
{
Unit* redirTarget = nullptr;
auto it = _myThreatListEntries.find(pair.first); // try to look it up in our threat list first (faster)