Core/Spells: Implemented SPELL_ATTR5_NOT_AVAILABLE_WHILE_CHARMED

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

@@ -21358,7 +21358,7 @@ void Player::VehicleSpellInitialize()
     {
         uint32 spellId = vehicle->m_spells[i];
         SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(spellId);
-        if (!spellInfo)
+        if (!spellInfo || !spellInfo->HasAttribute(SPELL_ATTR5_NOT_AVAILABLE_WHILE_CHARMED))
         {
             data << uint16(0) << uint8(0) << uint8(i+8);
             continue;

src/server/game/Entities/Unit/Unit.cpp

@@ -9732,6 +9732,9 @@ void CharmInfo::InitPossessCreateSpells()
             SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(spellId);
             if (spellInfo)
             {
+                if (spellInfo->HasAttribute(SPELL_ATTR5_NOT_AVAILABLE_WHILE_CHARMED))
+                    continue;
+
                 if (spellInfo->IsPassive())
                     _unit->CastSpell(_unit, spellInfo->Id, true);
                 else
@@ -9764,6 +9767,9 @@ void CharmInfo::InitCharmCreateSpells()
             continue;
         }
 
+        if (spellInfo->HasAttribute(SPELL_ATTR5_NOT_AVAILABLE_WHILE_CHARMED))
+            continue;
+
         if (spellInfo->IsPassive())
         {
             _unit->CastSpell(_unit, spellInfo->Id, true);

src/server/game/Miscellaneous/SharedDefines.h

@@ -548,7 +548,7 @@ enum SpellAttr5 : uint32
     SPELL_ATTR5_IMPLIED_TARGETING                                   = 0x00000800, // TITLE Implied Targeting (client only)
     SPELL_ATTR5_MELEE_CHAIN_TARGETING                               = 0x00001000, // TITLE Melee Chain Targeting
     SPELL_ATTR5_SPELL_HASTE_AFFECTS_PERIODIC                        = 0x00002000, // TITLE Spell Haste Affects Periodic
-    SPELL_ATTR5_NOT_AVAILABLE_WHILE_CHARMED                         = 0x00004000, /*NYI*/ // TITLE Not Available While Charmed
+    SPELL_ATTR5_NOT_AVAILABLE_WHILE_CHARMED                         = 0x00004000, // TITLE Not Available While Charmed
     SPELL_ATTR5_TREAT_AS_AREA_EFFECT                                = 0x00008000, /*NYI*/ // TITLE Treat as Area Effect
     SPELL_ATTR5_AURA_AFFECTS_NOT_JUST_REQ_EQUIPPED_ITEM             = 0x00010000, // TITLE Aura Affects Not Just Req. Equipped Item
     SPELL_ATTR5_ALLOW_WHILE_FLEEING                                 = 0x00020000, // TITLE Allow While Fleeing

src/server/game/Spells/Spell.cpp

@@ -5627,6 +5627,9 @@ SpellCastResult Spell::CheckCast(bool strict, uint32* param1 /*= nullptr*/, uint
 
     if (Unit* unitCaster = m_caster->ToUnit())
     {
+        if (m_spellInfo->HasAttribute(SPELL_ATTR5_NOT_AVAILABLE_WHILE_CHARMED) && unitCaster->IsCharmed())
+            return SPELL_FAILED_CHARMED;
+
         // only check at first call, Stealth auras are already removed at second call
         // for now, ignore triggered spells
         if (strict && !(_triggeredCastFlags & TRIGGERED_IGNORE_SHAPESHIFT))