Make ObjectMgrs _mailId and _hiPetNumber atomic (#19129)

- They can be accessed from multiple threads simultaneously

(cherrypicked from 3fe03392d792b4f7ddcc2326f215d9f459bef991)

2 files changed, 2 insertions, 4 deletions

diff --git a/src/server/game/Globals/ObjectMgr.cpp b/src/server/game/Globals/ObjectMgr.cpp
index 320d9d70f9e..f17e852fa9e 100644
--- a/src/server/game/Globals/ObjectMgr.cpp
+++ b/src/server/game/Globals/ObjectMgr.cpp
@@ -255,7 +255,6 @@ bool SpellClickInfo::IsFitToRequirements(Unit const* clicker, Unit const* clicke
 ObjectMgr::ObjectMgr():
     _auctionId(1),
     _equipmentSetGuid(1),
-    _itemTextId(1),
     _mailId(1),
     _hiPetNumber(1),
     _voidItemId(1),
diff --git a/src/server/game/Globals/ObjectMgr.h b/src/server/game/Globals/ObjectMgr.h
index 229f92497eb..374b13ef836 100644
--- a/src/server/game/Globals/ObjectMgr.h
+++ b/src/server/game/Globals/ObjectMgr.h
@@ -1602,9 +1602,8 @@ class TC_GAME_API ObjectMgr
         // first free id for selected id type
         uint32 _auctionId;
         uint64 _equipmentSetGuid;
-        uint32 _itemTextId;
-        uint32 _mailId;
-        uint32 _hiPetNumber;
+        std::atomic<uint32> _mailId;
+        std::atomic<uint32> _hiPetNumber;
         uint64 _voidItemId;
         uint64 _creatureSpawnId;
         uint64 _gameObjectSpawnId;