Merge TrinityCore 3.3.5 to ElunaTrinityWotlk [skip ci]

Author: Rochet2

src/server/game/Spells/Spell.cpp

@@ -5433,7 +5433,9 @@ SpellCastResult Spell::CheckCast(bool strict, uint32* param1 /*= nullptr*/, uint
     if (m_spellInfo->RequiresSpellFocus)
     {
         focusObject = SearchSpellFocus();
-        if (!focusObject)
+        if (focusObject)
+            m_focusObjectGUID = focusObject->GetGUID();
+        else
             return SPELL_FAILED_REQUIRES_SPELL_FOCUS;
     }
 
@@ -7291,6 +7293,9 @@ bool Spell::UpdatePointers()
             m_originalCaster = nullptr;
     }
 
+    if (m_focusObjectGUID)
+        focusObject = ObjectAccessor::GetGameObject(*m_caster, m_focusObjectGUID);
+
     if (m_castItemGUID && m_caster->GetTypeId() == TYPEID_PLAYER)
     {
         m_CastItem = m_caster->ToPlayer()->GetItemByGuid(m_castItemGUID);

src/server/game/Spells/Spell.h

@@ -530,6 +530,7 @@ class TC_GAME_API Spell
         DynObjAura* _dynObjAura;
 
         // -------------------------------------------
+        ObjectGuid m_focusObjectGUID;
         GameObject* focusObject;
 
         // Damage and healing in effects need just calculate