* For now, when loading an archive all the existing scene objects get deleted by default

OpenSim/Region/Environment/Scenes/Scene.cs

@@ -1683,6 +1683,23 @@ namespace OpenSim.Region.Environment.Scenes
             return m_innerScene.AddNewSceneObject(sceneObject, attachToBackup);
         }
 
+        /// <summary>
+        /// Delete every object from the scene
+        /// </summary>
+        public void DeleteAllSceneObjects()
+        {
+            lock (Entities)
+            {
+                ICollection<EntityBase> entities = new List<EntityBase>(Entities.Values);
+                
+                foreach (EntityBase e in entities)
+                {
+                    if (e is SceneObjectGroup)
+                        DeleteSceneObject((SceneObjectGroup)e);
+                }
+            }        
+        }
+        
         /// <summary>
         /// Delete the given object from the scene.
         /// </summary>