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Core/Spells: Add a new stack rule for spellgroups: SPELL_GROUP_STACK_RULE_EXCLUSIVE_SAME_EFFECT

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This stack rule makes the effects of the spells in the spellgroup non-stackable, but the spells/auras itself are stackable.
a spell should be in only 1 group with this stack rule.
Fixes #2243
This commit is contained in:
Liberate
2011-10-18 23:27:39 +02:00
parent fd45c111b0
commit 89bae3b51c
5 changed files with 63 additions and 3 deletions
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src/server/game/Entities/Unit/Unit.cpp
+14 -2
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@@ -4425,14 +4425,26 @@ int32 Unit::GetTotalAuraModifierByMiscMask(AuraType auratype, uint32 misc_mask)
float Unit::GetTotalAuraMultiplierByMiscMask(AuraType auratype, uint32 misc_mask) const
{
std::map<SpellGroup, int32> SameEffectSpellGroup;
float multiplier = 1.0f;
AuraEffectList const& mTotalAuraList = GetAuraEffectsByType(auratype);
for (AuraEffectList::const_iterator i = mTotalAuraList.begin(); i != mTotalAuraList.end(); ++i)
{
if ((*i)->GetMiscValue()& misc_mask)
AddPctN(multiplier, (*i)->GetAmount());
if (((*i)->GetMiscValue() & misc_mask))
{
// Check if the Aura Effect has a the Same Effect Stack Rule and if so, use the highest amount of that SpellGroup
// If the Aura Effect does not have this Stack Rule, it returns false so we can add to the multiplier as usual
if (!sSpellMgr->AddSameEffectStackRuleSpellGroups((*i)->GetSpellInfo(), (*i)->GetAmount(), SameEffectSpellGroup))
AddPctN(multiplier, (*i)->GetAmount());
}
}
// Add the highest of the Same Effect Stack Rule SpellGroups to the multiplier
for (std::map<SpellGroup, int32>::const_iterator itr = SameEffectSpellGroup.begin(); itr != SameEffectSpellGroup.end(); ++itr)
{
AddPctN(multiplier, itr->second);
}
return multiplier;
}