Core/Player: Fix issues with 'ignore this slot' option on equipment manager usage

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

@@ -16677,10 +16677,11 @@ void Player::_LoadEquipmentSets(PreparedQueryResult result)
         uint8 index    = fields[1].GetUInt8();
         eqSet.Name      = fields[2].GetString();
         eqSet.IconName  = fields[3].GetString();
+        eqSet.IgnoreMask = fields[4].GetUInt32();
         eqSet.state     = EQUIPMENT_SET_UNCHANGED;
 
         for (uint32 i = 0; i < EQUIPMENT_SLOT_END; ++i)
-            eqSet.Items[i] = fields[4+i].GetUInt32();
+            eqSet.Items[i] = fields[5+i].GetUInt32();
 
         m_EquipmentSets[index] = eqSet;
 
@@ -24822,7 +24823,13 @@ void Player::SendEquipmentSetList()
         data << itr->second.Name;
         data << itr->second.IconName;
         for (uint32 i = 0; i < EQUIPMENT_SLOT_END; ++i)
-            data.appendPackGUID(MAKE_NEW_GUID(itr->second.Items[i], 0, HIGHGUID_ITEM));
+        {
+            // ignored slots stored in IgnoreMask, client wants "1" as raw GUID, so no HIGHGUID_ITEM
+            if (itr->second.IgnoreMask & (1 << i))
+                data.appendPackGUID(MAKE_NEW_GUID(uint64(1)));
+            else
+                data.appendPackGUID(MAKE_NEW_GUID(itr->second.Items[i], 0, HIGHGUID_ITEM));
+        }
 
         ++count;                                            // client have limit but it checked at loading and set
     }
@@ -24888,6 +24895,7 @@ void Player::_SaveEquipmentSets(SQLTransaction& trans)
                 stmt = CharacterDatabase.GetPreparedStatement(CHAR_UPD_EQUIP_SET);
                 stmt->setString(j++, eqset.Name.c_str());
                 stmt->setString(j++, eqset.IconName.c_str());
+                stmt->setUInt32(j++, eqset.IgnoreMask);
                 for (uint8 i=0; i<EQUIPMENT_SLOT_END; ++i)
                     stmt->setUInt32(j++, eqset.Items[i]);
                 stmt->setUInt32(j++, GetGUIDLow());
@@ -24904,6 +24912,7 @@ void Player::_SaveEquipmentSets(SQLTransaction& trans)
                 stmt->setUInt32(j++, index);
                 stmt->setString(j++, eqset.Name.c_str());
                 stmt->setString(j++, eqset.IconName.c_str());
+                stmt->setUInt32(j++, eqset.IgnoreMask);
                 for (uint8 i=0; i<EQUIPMENT_SLOT_END; ++i)
                     stmt->setUInt32(j++, eqset.Items[i]);
                 trans->Append(stmt);

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

@@ -640,7 +640,7 @@ enum EquipmentSetUpdateState
 
 struct EquipmentSet
 {
-    EquipmentSet() : Guid(0), state(EQUIPMENT_SET_NEW)
+    EquipmentSet() : Guid(0), IgnoreMask(0), state(EQUIPMENT_SET_NEW)
     {
         for (uint8 i = 0; i < EQUIPMENT_SLOT_END; ++i)
             Items[i] = 0;
@@ -649,6 +649,7 @@ struct EquipmentSet
     uint64 Guid;
     std::string Name;
     std::string IconName;
+    uint32 IgnoreMask;
     uint32 Items[EQUIPMENT_SLOT_END];
     EquipmentSetUpdateState state;
 };

src/server/game/Handlers/CharacterHandler.cpp

@@ -1514,6 +1514,14 @@ void WorldSession::HandleEquipmentSetSave(WorldPacket &recv_data)
         uint64 itemGuid;
         recv_data.readPackGUID(itemGuid);
 
+        // equipment manager sends "1" (as raw GUID) for slots set to "ignore" (don't touch slot at equip set)
+        if (itemGuid == 1)
+        {
+            // ignored slots saved as bit mask because we have no free special values for Items[i]
+            eqSet.IgnoreMask |= 1 << i;
+            continue;
+        }
+
         Item* item = _player->GetItemByPos(INVENTORY_SLOT_BAG_0, i);
 
         if (!item && itemGuid)                               // cheating check 1
@@ -1555,6 +1563,10 @@ void WorldSession::HandleEquipmentSetUse(WorldPacket &recv_data)
 
         sLog->outDebug(LOG_FILTER_PLAYER_ITEMS, "Item " UI64FMTD ": srcbag %u, srcslot %u", itemGuid, srcbag, srcslot);
 
+        // check if item slot is set to "ignored" (raw value == 1), must not be unequipped then
+        if (itemGuid == 1)
+            continue;
+
         Item* item = _player->GetItemByGuid(itemGuid);
 
         uint16 dstpos = i | (INVENTORY_SLOT_BAG_0 << 8);