Add [EntityTransfer] AllowAvatarCrossing setting to determine whether avatars are allowed to cross regions at all.

Defaults to true.  For test purposes.

OpenSim/Region/Framework/Scenes/Scene.cs

@@ -224,6 +224,12 @@ namespace OpenSim.Region.Framework.Scenes
         public bool m_clampPrimSize;
         public bool m_trustBinaries;
         public bool m_allowScriptCrossings = true;
+
+        /// <summary>
+        /// Can avatars cross from and to this region?
+        /// </summary>
+        public bool AllowAvatarCrossing { get; set; }
+
         public bool m_useFlySlow;
         public bool m_useTrashOnDelete = true;
 
@@ -1008,6 +1014,12 @@ namespace OpenSim.Region.Framework.Scenes
 
             #endregion Region Config
 
+            IConfig entityTransferConfig = m_config.Configs["EntityTransfer"];
+            if (entityTransferConfig != null)
+            {
+                AllowAvatarCrossing = entityTransferConfig.GetBoolean("AllowAvatarCrossing", AllowAvatarCrossing);
+            }
+
             #region Interest Management
 
             IConfig interestConfig = m_config.Configs["InterestManagement"];
@@ -1076,6 +1088,8 @@ namespace OpenSim.Region.Framework.Scenes
             CollidablePrims = true;
             PhysicsEnabled = true;
 
+            AllowAvatarCrossing = true;
+
             PeriodicBackup = true;
             UseBackup = true;
 
@@ -5576,6 +5590,9 @@ namespace OpenSim.Region.Framework.Scenes
                 return true;
             }
 
+            if (!AllowAvatarCrossing && !viaTeleport)
+                return false;
+
             // FIXME: Root agent count is currently known to be inaccurate.  This forces a recount before we check.
             // However, the long term fix is to make sure root agent count is always accurate.
             m_sceneGraph.RecalculateStats();

OpenSim/Region/Framework/Scenes/ScenePresence.cs

@@ -3210,7 +3210,8 @@ namespace OpenSim.Region.Framework.Scenes
                     m_lastVelocity = Velocity;
                 }
 
-                CheckForBorderCrossing();
+                if (Scene.AllowAvatarCrossing)
+                    CheckForBorderCrossing();
 
                 CheckForSignificantMovement(); // sends update to the modules.
             }

bin/OpenSimDefaults.ini

@@ -711,6 +711,9 @@
     ;
     max_distance = 65535
 
+    ; Allow avatars to cross into and out of the region.
+    AllowAvatarCrossing = true
+
     ; Minimum user level required for HyperGrid teleports
     LevelHGTeleport = 0