Core/Auras: Fix refresh of auras with spellmodifiers applied to currently cast spell.

src/server/game/Entities/Player/Player.cpp

@@ -19609,7 +19609,7 @@ void Player::AddSpellMod(SpellModifier* mod, bool apply)
 }
 
 // Restore spellmods in case of failed cast
-void Player::RestoreSpellMods(Spell* spell, uint32 ownerAuraId)
+void Player::RestoreSpellMods(Spell* spell, uint32 ownerAuraId, Aura* aura)
 {
     if (!spell || spell->m_appliedMods.empty())
         return;
@@ -19628,6 +19628,9 @@ void Player::RestoreSpellMods(Spell* spell, uint32 ownerAuraId)
             if (ownerAuraId && (ownerAuraId != mod->ownerAura->GetSpellProto()->Id))
                 continue;
 
+            if (aura && mod->ownerAura != aura)
+                continue;
+
             // check if mod affected this spell
             Spell::UsedSpellMods::iterator iterMod = spell->m_appliedMods.find(mod->ownerAura);
             if (iterMod == spell->m_appliedMods.end())
@@ -19653,6 +19656,13 @@ void Player::RestoreSpellMods(Spell* spell, uint32 ownerAuraId)
     }
 }
 
+void Player::RestoreAllSpellMods(uint32 ownerAuraId, Aura* aura)
+{
+    for (uint32 i = 0; i < CURRENT_MAX_SPELL; ++i)
+        if (m_currentSpells[i])
+            RestoreSpellMods(m_currentSpells[i], ownerAuraId, aura);
+}
+
 void Player::RemoveSpellMods(Spell* spell)
 {
     if (!spell)

src/server/game/Entities/Player/Player.h

@@ -1658,7 +1658,8 @@ class Player : public Unit, public GridObject<Player>
         bool IsAffectedBySpellmod(SpellEntry const *spellInfo, SpellModifier *mod, Spell* spell = NULL);
         template <class T> T ApplySpellMod(uint32 spellId, SpellModOp op, T &basevalue, Spell* spell = NULL);
         void RemoveSpellMods(Spell* spell);
-        void RestoreSpellMods(Spell* spell, uint32 ownerAuraId=0);
+        void RestoreSpellMods(Spell* spell, uint32 ownerAuraId = 0, Aura* aura = NULL);
+        void RestoreAllSpellMods(uint32 ownerAuraId = 0, Aura* aura = NULL);
         void DropModCharge(SpellModifier* mod, Spell* spell);
         void SetSpellModTakingSpell(Spell* spell, bool apply);
 

src/server/game/Entities/Unit/Unit.h

@@ -2115,6 +2115,8 @@ class Unit : public WorldObject
         bool m_isSorted;
         uint32 m_transform;
 
+        Spell* m_currentSpells[CURRENT_MAX_SPELL];
+
         AuraMap m_ownedAuras;
         AuraApplicationMap m_appliedAuras;
         AuraList m_removedAuras;
@@ -2185,8 +2187,6 @@ class Unit : public WorldObject
         uint32 m_CombatTimer;
         uint32 m_lastManaUse;                               // msecs
 
-        Spell* m_currentSpells[CURRENT_MAX_SPELL];
-
         Diminishing m_Diminishing;
         // Manage all Units that are threatened by us
         HostileRefManager m_HostileRefManager;

src/server/game/Spells/Auras/SpellAuras.cpp

@@ -826,6 +826,7 @@ bool Aura::ModStackAmount(int32 num, AuraRemoveMode removeMode)
 
     if (refresh)
     {
+        RefreshSpellMods();
         RefreshTimers();
 
         // reset charges
@@ -835,6 +836,13 @@ bool Aura::ModStackAmount(int32 num, AuraRemoveMode removeMode)
     return false;
 }
 
+void Aura::RefreshSpellMods()
+{
+    for (Aura::ApplicationMap::const_iterator appIter = m_applications.begin(); appIter != m_applications.end(); ++appIter)
+        if (Player * player = appIter->second->GetTarget()->ToPlayer())
+            player->RestoreAllSpellMods(0, this);
+}
+
 bool Aura::IsPassive() const
 {
     return IsPassiveSpell(GetSpellProto());

src/server/game/Spells/Auras/SpellAuras.h

@@ -142,6 +142,8 @@ class Aura
         void SetStackAmount(uint8 num);
         bool ModStackAmount(int32 num, AuraRemoveMode removeMode = AURA_REMOVE_BY_DEFAULT);
 
+        void RefreshSpellMods();
+
         uint8 GetCasterLevel() const { return m_casterLevel; }
 
         bool IsPassive() const;