Merge branch '4.3.4' of https://gitlab.com/trinitycore/TrinityCore_434 into 4.3.4

src/server/game/Maps/Map.cpp

@@ -47,6 +47,8 @@
 #include "Weather.h"
 #include "WeatherMgr.h"
 #include "World.h"
+#include <unordered_set>
+#include <vector>
 
 u_map_magic MapMagic        = { {'M','A','P','S'} };
 u_map_magic MapVersionMagic = { {'v','1','.','7'} };
@@ -843,6 +845,18 @@ void Map::Update(uint32 t_diff)
             for (Creature* c : updateList)
                 VisitNearbyCellsOf(c, grid_object_update, world_object_update);
         }
+
+        { // Update any creatures that own auras the player has applications of
+            std::unordered_set<Unit*> toVisit;
+            for (std::pair<uint32, AuraApplication*> pair : player->GetAppliedAuras())
+            {
+                if (Unit* caster = pair.second->GetBase()->GetCaster())
+                    if (caster->GetTypeId() != TYPEID_PLAYER && !caster->IsWithinDistInMap(player, GetVisibilityRange(), false))
+                        toVisit.insert(caster);
+            }
+            for (Unit* unit : toVisit)
+                VisitNearbyCellsOf(unit, grid_object_update, world_object_update);
+        }
     }
 
     // non-player active objects, increasing iterator in the loop in case of object removal