Core/Players: fixed a possible crash in SendInitialPacketsBeforeAddToMap when uninstanced maps don't have a valid MapDifficulty entry

Port From (https://github.com/TrinityCore/TrinityCore/commit/924efc89b2668d390bf768ccd936cc67e4a77f5d)
2024-02-06 16:00:34 -05:00
parent d42204efb3
commit 3ec159ebe1
1 changed files with 3 additions and 1 deletions
@@ -5565,7 +5565,9 @@ namespace Game.Entities

            // SMSG_WORLD_SERVER_INFO
            WorldServerInfo worldServerInfo = new();
-            worldServerInfo.InstanceGroupSize = GetMap().GetMapDifficulty().MaxPlayers;         // @todo
+            var mapDifficulty = GetMap().GetMapDifficulty();
+            if (mapDifficulty != null)
+                worldServerInfo.InstanceGroupSize = mapDifficulty.MaxPlayers;
            worldServerInfo.IsTournamentRealm = false;             // @todo
            worldServerInfo.RestrictedAccountMaxLevel = null; // @todo
            worldServerInfo.RestrictedAccountMaxMoney = null; // @todo