Core/Players: Prevent creating characters with duplicate names

Port From (https://github.com/TrinityCore/TrinityCore/commit/52de393f10dae4b21b84bd02aadf929b2283d8fe)
2021-09-26 11:38:16 -04:00
parent 7befdbd11b
commit 1bcd5a876e
1 changed files with 7 additions and 0 deletions
@@ -509,6 +509,13 @@ namespace Game
                        return;
                    }

+                    // Check name uniqueness in the same step as saving to database
+                    if (Global.CharacterCacheStorage.GetCharacterCacheByName(createInfo.Name) != null)
+                    {
+                        SendCharCreate(ResponseCodes.CharCreateNameInUse);
+                        return;
+                    }
+
                    Player newChar = new(this);
                    newChar.GetMotionMaster().Initialize();
                    if (!newChar.Create(Global.ObjectMgr.GetGenerator(HighGuid.Player).Generate(), createInfo))