9 files changed, 172 insertions, 108 deletions

diff --git a/OpenSim/Region/Framework/Interfaces/ISceneViewer.cs b/OpenSim/Region/Framework/Interfaces/ISceneViewer.cs
index 8e3f4a0..7251d57 100644
--- a/OpenSim/Region/Framework/Interfaces/ISceneViewer.cs
+++ b/OpenSim/Region/Framework/Interfaces/ISceneViewer.cs
@@ -34,7 +34,6 @@ namespace OpenSim.Region.Framework.Interfaces
     {
         void Reset();
         void Close();
-        int MaxPrimsPerFrame { get; set; }
         void QueuePartForUpdate(SceneObjectPart part);
         void SendPrimUpdates();
     }
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index d3d397d..c7efc19 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -57,6 +57,12 @@ namespace OpenSim.Region.Framework.Scenes
 
     public partial class Scene : SceneBase
     {
+        public enum UpdatePrioritizationSchemes {
+            Time = 0,
+            Distance = 1,
+            SimpleAngularDistance = 2,
+        }
+
         public delegate void SynchronizeSceneHandler(Scene scene);
         public SynchronizeSceneHandler SynchronizeScene = null;
 
@@ -268,9 +274,10 @@ namespace OpenSim.Region.Framework.Scenes
         private volatile bool shuttingdown = false;
 
         private int m_lastUpdate = Environment.TickCount;
-        private int m_maxPrimsPerFrame = 200;
         private bool m_firstHeartbeat = true;
 
+        private UpdatePrioritizationSchemes m_update_prioritization_scheme = UpdatePrioritizationSchemes.Time;
+
         private object m_deleting_scene_object = new object();
 
         // the minimum time that must elapse before a changed object will be considered for persisted
@@ -282,6 +289,8 @@ namespace OpenSim.Region.Framework.Scenes
 
         #region Properties
 
+        public UpdatePrioritizationSchemes UpdatePrioritizationScheme { get { return this.m_update_prioritization_scheme; } }
+
         public AgentCircuitManager AuthenticateHandler
         {
             get { return m_authenticateHandler; }
@@ -326,12 +335,6 @@ namespace OpenSim.Region.Framework.Scenes
             get { return m_sceneGraph.m_syncRoot; }
         }
 
-        public int MaxPrimsPerFrame
-        {
-            get { return m_maxPrimsPerFrame; }
-            set { m_maxPrimsPerFrame = value; }
-        }
-
         /// <summary>
         /// This is for llGetRegionFPS
         /// </summary>
@@ -509,7 +512,6 @@ namespace OpenSim.Region.Framework.Scenes
 
                 m_defaultScriptEngine = startupConfig.GetString("DefaultScriptEngine", "DotNetEngine");
 
-                m_maxPrimsPerFrame = startupConfig.GetInt("MaxPrimsPerFrame", 200);
                 IConfig packetConfig = m_config.Configs["PacketPool"];
                 if (packetConfig != null)
                 {
@@ -518,6 +520,28 @@ namespace OpenSim.Region.Framework.Scenes
                 }
 
                 m_strictAccessControl = startupConfig.GetBoolean("StrictAccessControl", m_strictAccessControl);
+
+                IConfig interest_management_config = m_config.Configs["InterestManagement"];
+                if (interest_management_config != null)
+                {
+                    string update_prioritization_scheme = interest_management_config.GetString("UpdatePrioritizationScheme", "Time").Trim().ToLower();
+                    switch (update_prioritization_scheme)
+                    {
+                        case "time":
+                            m_update_prioritization_scheme = UpdatePrioritizationSchemes.Time;
+                            break;
+                        case "distance":
+                            m_update_prioritization_scheme = UpdatePrioritizationSchemes.Distance;
+                            break;
+                        case "simpleangulardistance":
+                            m_update_prioritization_scheme = UpdatePrioritizationSchemes.SimpleAngularDistance;
+                            break;
+                        default:
+                            m_log.Warn("[SCENE]: UpdatePrioritizationScheme was not recognized, setting to default settomg of Time");
+                            m_update_prioritization_scheme = UpdatePrioritizationSchemes.Time;
+                            break;
+                    }
+                }
             }
             catch
             {
@@ -1194,15 +1218,6 @@ namespace OpenSim.Region.Framework.Scenes
         }
 
         /// <summary>
-        /// Perform delegate action on all clients subscribing to updates from this region.
-        /// </summary>
-        /// <returns></returns>
-        public void Broadcast(Action<IClientAPI> whatToDo)
-        {
-            ForEachScenePresence(delegate(ScenePresence presence) { whatToDo(presence.ControllingClient); });
-        }
-
-        /// <summary>
         /// Backup the scene.  This acts as the main method of the backup thread.
         /// </summary>
         /// <returns></returns>
@@ -3048,17 +3063,13 @@ namespace OpenSim.Region.Framework.Scenes
                 }
 
                 m_eventManager.TriggerOnRemovePresence(agentID);
-                Broadcast(delegate(IClientAPI client)
-                          {
-                              try
-                              {
-                                  client.SendKillObject(avatar.RegionHandle, avatar.LocalId);
-                              }
-                              catch (NullReferenceException)
-                              {
-                                  //We can safely ignore null reference exceptions.  It means the avatar are dead and cleaned up anyway.
-                              }
-                          });
+                ForEachClient(
+                    delegate(IClientAPI client)
+                    {
+                        //We can safely ignore null reference exceptions.  It means the avatar is dead and cleaned up anyway
+                        try { client.SendKillObject(avatar.RegionHandle, avatar.LocalId); }
+                        catch (NullReferenceException) { }
+                    });
 
                 ForEachScenePresence(
                     delegate(ScenePresence presence) { presence.CoarseLocationChange(); });
@@ -3143,7 +3154,7 @@ namespace OpenSim.Region.Framework.Scenes
                         return;
                 }
             }
-            Broadcast(delegate(IClientAPI client) { client.SendKillObject(m_regionHandle, localID); });
+            ForEachClient(delegate(IClientAPI client) { client.SendKillObject(m_regionHandle, localID); });
         }
 
         #endregion
@@ -4211,7 +4222,7 @@ namespace OpenSim.Region.Framework.Scenes
 
         public void ForEachClient(Action<IClientAPI> action)
         {
-            m_sceneGraph.ForEachClient(action);
+            ClientManager.ForEach(action);
         }
 
         public void ForEachSOG(Action<SceneObjectGroup> action)
diff --git a/OpenSim/Region/Framework/Scenes/SceneGraph.cs b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
index 9cd2247..b9872ca 100644
--- a/OpenSim/Region/Framework/Scenes/SceneGraph.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
@@ -613,7 +613,6 @@ namespace OpenSim.Region.Framework.Scenes
 
             newAvatar = new ScenePresence(client, m_parentScene, m_regInfo, appearance);
             newAvatar.IsChildAgent = true;
-            newAvatar.MaxPrimsPerFrame = m_parentScene.MaxPrimsPerFrame;
 
             AddScenePresence(newAvatar);
 
@@ -1107,23 +1106,6 @@ namespace OpenSim.Region.Framework.Scenes
                 return UUID.Zero;
         }
 
-        protected internal void ForEachClient(Action<IClientAPI> action)
-        {
-            List<ScenePresence> splist = GetScenePresences();
-            foreach (ScenePresence presence in splist)
-            {
-                try
-                {
-                    action(presence.ControllingClient);
-                }
-                catch (Exception e)
-                {
-                    // Catch it and move on. This includes situations where splist has inconsistent info
-                    m_log.WarnFormat("[SCENE]: Problem processing action in ForEachClient: ", e.Message);
-                }
-            }
-        }
-
         protected internal void ForEachSOG(Action<SceneObjectGroup> action)
         {
             List<SceneObjectGroup> objlist = new List<SceneObjectGroup>(SceneObjectGroupsByFullID.Values);
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
index d4cef7d..2153b9b 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
@@ -1817,7 +1817,7 @@ namespace OpenSim.Region.Framework.Scenes
         public void ServiceObjectPropertiesFamilyRequest(IClientAPI remoteClient, UUID AgentID, uint RequestFlags)
         {
 
-            remoteClient.SendObjectPropertiesFamilyData(RequestFlags, RootPart.UUID, RootPart.ObjectOwner, RootPart.GroupID, RootPart.BaseMask,
+            remoteClient.SendObjectPropertiesFamilyData(RequestFlags, RootPart.UUID, RootPart.OwnerID, RootPart.GroupID, RootPart.BaseMask,
                                                         RootPart.OwnerMask, RootPart.GroupMask, RootPart.EveryoneMask, RootPart.NextOwnerMask,
                                                         RootPart.OwnershipCost, RootPart.ObjectSaleType, RootPart.SalePrice, RootPart.Category,
                                                         RootPart.CreatorID, RootPart.Name, RootPart.Description);
@@ -3343,5 +3343,77 @@ namespace OpenSim.Region.Framework.Scenes
 
             return true;
         }
+
+        public double GetUpdatePriority(IClientAPI client)
+        {
+            switch (Scene.UpdatePrioritizationScheme)
+            {
+                case Scene.UpdatePrioritizationSchemes.Time:
+                    return GetPriorityByTime();
+                case Scene.UpdatePrioritizationSchemes.Distance:
+                    return GetPriorityByDistance(client);
+                case Scene.UpdatePrioritizationSchemes.SimpleAngularDistance:
+                    return GetPriorityBySimpleAngularDistance(client);
+                default:
+                    throw new InvalidOperationException("UpdatePrioritizationScheme not defined");
+            }
+        }
+
+        private double GetPriorityByTime()
+        {
+            return DateTime.Now.ToOADate();
+        }
+
+        private double GetPriorityByDistance(IClientAPI client)
+        {
+            ScenePresence presence = Scene.GetScenePresence(client.AgentId);
+            if (presence != null)
+            {
+                return GetPriorityByDistance((presence.IsChildAgent) ?
+                    presence.AbsolutePosition : presence.CameraPosition);
+            }
+            return double.NaN;
+        }
+
+        private double GetPriorityBySimpleAngularDistance(IClientAPI client)
+        {
+            ScenePresence presence = Scene.GetScenePresence(client.AgentId);
+            if (presence != null)
+            {
+                return GetPriorityBySimpleAngularDistance((presence.IsChildAgent) ?
+                    presence.AbsolutePosition : presence.CameraPosition);
+            }
+            return double.NaN;
+        }
+
+        public double GetPriorityByDistance(Vector3 position)
+        {
+            return Vector3.Distance(AbsolutePosition, position);
+        }
+
+        public double GetPriorityBySimpleAngularDistance(Vector3 position)
+        {
+            double distance = Vector3.Distance(position, AbsolutePosition);
+            if (distance >= double.Epsilon)
+            {
+                float height;
+                Vector3 box = GetAxisAlignedBoundingBox(out height);
+
+                double angle = box.X / distance;
+                double max = angle;
+
+                angle = box.Y / distance;
+                if (max < angle)
+                    max = angle;
+
+                angle = box.Z / distance;
+                if (max < angle)
+                    max = angle;
+
+                return -max;
+            }
+            else
+                return double.MinValue;
+        }
     }
 }
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index 801a7db..79f6366 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -853,16 +853,6 @@ if (m_shape != null) {
                 return m_offsetPosition + m_groupPosition; }
         }
 
-        public UUID ObjectCreator
-        {
-            get { return _creatorID; }
-        }
-
-        public UUID ObjectOwner
-        {
-            get { return _ownerID; }
-        }
-
         public SceneObjectGroup ParentGroup
         {
             get { return m_parentGroup; }
@@ -1440,7 +1430,7 @@ if (m_shape != null) {
             // Move afterwards ResetIDs as it clears the localID
             dupe.LocalId = localID;
             // This may be wrong...    it might have to be applied in SceneObjectGroup to the object that's being duplicated.
-            dupe._lastOwnerID = ObjectOwner;
+            dupe._lastOwnerID = OwnerID;
 
             byte[] extraP = new byte[Shape.ExtraParams.Length];
             Array.Copy(Shape.ExtraParams, extraP, extraP.Length);
@@ -2410,10 +2400,10 @@ if (m_shape != null) {
                 //isattachment = ParentGroup.RootPart.IsAttachment;
 
             byte[] color = new byte[] {m_color.R, m_color.G, m_color.B, m_color.A};
-            remoteClient.SendPrimitiveToClient(m_regionHandle, (ushort)(m_parentGroup.GetTimeDilation() * (float)ushort.MaxValue), LocalId, m_shape,
+            remoteClient.SendPrimitiveToClient(new SendPrimitiveData(m_regionHandle, (ushort)(m_parentGroup.GetTimeDilation() * (float)ushort.MaxValue), LocalId, m_shape,
                                                lPos, Velocity, Acceleration, RotationOffset, RotationalVelocity, clientFlags, m_uuid, _ownerID,
                                                m_text, color, _parentID, m_particleSystem, m_clickAction, (byte)m_material, m_TextureAnimation, IsAttachment,
-                                               AttachmentPoint,FromItemID, Sound, SoundGain, SoundFlags, SoundRadius);
+                                               AttachmentPoint,FromItemID, Sound, SoundGain, SoundFlags, SoundRadius, ParentGroup.GetUpdatePriority(remoteClient)));
         }
 
         /// <summary>
@@ -3804,12 +3794,12 @@ if (m_shape != null) {
 
             // Causes this thread to dig into the Client Thread Data.
             // Remember your locking here!
-            remoteClient.SendPrimTerseUpdate(m_regionHandle,
+            remoteClient.SendPrimTerseUpdate(new SendPrimitiveTerseData(m_regionHandle,
                     (ushort)(m_parentGroup.GetTimeDilation() *
                     (float)ushort.MaxValue), LocalId, lPos,
                     RotationOffset, Velocity,
                     RotationalVelocity, state, FromItemID,
-                    OwnerID, (int)AttachmentPoint);
+                    OwnerID, (int)AttachmentPoint, ParentGroup.GetUpdatePriority(remoteClient)));
         }
                 
         public void AddScriptLPS(int count)
diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index b468dde..973537e 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -403,12 +403,6 @@ namespace OpenSim.Region.Framework.Scenes
             set { m_parentPosition = value; }
         }
 
-        public int MaxPrimsPerFrame
-        {
-            get { return m_sceneViewer.MaxPrimsPerFrame; }
-            set { m_sceneViewer.MaxPrimsPerFrame = value; }
-        }
-
         /// <summary>
         /// Absolute position of this avatar in 'region cordinates'
         /// </summary>
@@ -2456,11 +2450,10 @@ namespace OpenSim.Region.Framework.Scenes
                 m_perfMonMS = Environment.TickCount;
 
                 Vector3 pos = m_pos;
-                Vector3 vel = Velocity;
-                Quaternion rot = m_bodyRot;
                 pos.Z -= m_appearance.HipOffset;
-                remoteClient.SendAvatarTerseUpdate(m_regionHandle, (ushort)(m_scene.TimeDilation * ushort.MaxValue), LocalId, new Vector3(pos.X, pos.Y, pos.Z),
-                                                   new Vector3(vel.X, vel.Y, vel.Z), rot, m_uuid);
+
+                remoteClient.SendAvatarTerseUpdate(new SendAvatarTerseData(m_regionHandle, (ushort)(m_scene.TimeDilation * ushort.MaxValue), LocalId,
+                    pos, m_velocity, m_rotation, m_uuid, GetUpdatePriority(remoteClient)));
 
                 m_scene.StatsReporter.AddAgentTime(Environment.TickCount - m_perfMonMS);
                 m_scene.StatsReporter.AddAgentUpdates(1);
@@ -2474,7 +2467,7 @@ namespace OpenSim.Region.Framework.Scenes
         {
             m_perfMonMS = Environment.TickCount;
 
-            m_scene.Broadcast(SendTerseUpdateToClient);
+            m_scene.ForEachClient(SendTerseUpdateToClient);
 
             m_lastVelocity = m_velocity;
             lastPhysPos = AbsolutePosition;
@@ -2566,9 +2559,9 @@ namespace OpenSim.Region.Framework.Scenes
             Vector3 pos = m_pos;
             pos.Z -= m_appearance.HipOffset;
 
-            remoteAvatar.m_controllingClient.SendAvatarData(m_regionInfo.RegionHandle, m_firstname, m_lastname, m_grouptitle, m_uuid,
+            remoteAvatar.m_controllingClient.SendAvatarData(new SendAvatarData(m_regionInfo.RegionHandle, m_firstname, m_lastname, m_grouptitle, m_uuid,
                                                             LocalId, m_pos, m_appearance.Texture.GetBytes(),
-                                                            m_parentID, rot);
+                                                            m_parentID, rot));
             m_scene.StatsReporter.AddAgentUpdates(1);
         }
 
@@ -2637,8 +2630,8 @@ namespace OpenSim.Region.Framework.Scenes
             Vector3 pos = m_pos;
             pos.Z -= m_appearance.HipOffset;
 
-            m_controllingClient.SendAvatarData(m_regionInfo.RegionHandle, m_firstname, m_lastname, m_grouptitle, m_uuid, LocalId,
-                                               m_pos, m_appearance.Texture.GetBytes(), m_parentID, rot);
+            m_controllingClient.SendAvatarData(new SendAvatarData(m_regionInfo.RegionHandle, m_firstname, m_lastname, m_grouptitle, m_uuid, LocalId,
+                                               m_pos, m_appearance.Texture.GetBytes(), m_parentID, rot));
 
             if (!m_isChildAgent)
             {
@@ -2744,8 +2737,8 @@ namespace OpenSim.Region.Framework.Scenes
             }
 
             Quaternion rot = m_bodyRot;
-            m_controllingClient.SendAvatarData(m_regionInfo.RegionHandle, m_firstname, m_lastname, m_grouptitle, m_uuid, LocalId,
-                m_pos, m_appearance.Texture.GetBytes(), m_parentID, rot);
+            m_controllingClient.SendAvatarData(new SendAvatarData(m_regionInfo.RegionHandle, m_firstname, m_lastname, m_grouptitle, m_uuid, LocalId,
+                m_pos, m_appearance.Texture.GetBytes(), m_parentID, rot));
 
         }
 
@@ -2776,7 +2769,7 @@ namespace OpenSim.Region.Framework.Scenes
             if (m_isChildAgent)
                 return;
 
-            m_scene.Broadcast(
+            m_scene.ForEachClient(
                 delegate(IClientAPI client) { client.SendAnimations(animations, seqs, m_controllingClient.AgentId, objectIDs); });
         }
 
@@ -3882,5 +3875,41 @@ namespace OpenSim.Region.Framework.Scenes
                 }
             }
         }
+
+        public double GetUpdatePriority(IClientAPI client)
+        {
+            switch (Scene.UpdatePrioritizationScheme)
+            {
+                case Scene.UpdatePrioritizationSchemes.Time:
+                    return GetPriorityByTime();
+                case Scene.UpdatePrioritizationSchemes.Distance:
+                    return GetPriorityByDistance(client);
+                case Scene.UpdatePrioritizationSchemes.SimpleAngularDistance:
+                    return GetPriorityByDistance(client);
+                default:
+                    throw new InvalidOperationException("UpdatePrioritizationScheme not defined.");
+            }
+        }
+
+        private double GetPriorityByTime()
+        {
+            return DateTime.Now.ToOADate();
+        }
+
+        private double GetPriorityByDistance(IClientAPI client)
+        {
+            ScenePresence presence = Scene.GetScenePresence(client.AgentId);
+            if (presence != null)
+            {
+                return GetPriorityByDistance((presence.IsChildAgent) ?
+                    presence.AbsolutePosition : presence.CameraPosition);
+            }
+            return double.NaN;
+        }
+
+        private double GetPriorityByDistance(Vector3 position)
+        {
+            return Vector3.Distance(AbsolutePosition, position);
+        }
     }
 }
diff --git a/OpenSim/Region/Framework/Scenes/SceneViewer.cs b/OpenSim/Region/Framework/Scenes/SceneViewer.cs
index 8ab0552..e4296ef 100644
--- a/OpenSim/Region/Framework/Scenes/SceneViewer.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneViewer.cs
@@ -45,14 +45,6 @@ namespace OpenSim.Region.Framework.Scenes
 
         protected Dictionary<UUID, ScenePartUpdate> m_updateTimes = new Dictionary<UUID, ScenePartUpdate>();
 
-        protected int m_maxPrimsPerFrame = 200;
-
-        public int MaxPrimsPerFrame
-        {
-            get { return m_maxPrimsPerFrame; }
-            set { m_maxPrimsPerFrame = value; }
-        }
-
         public SceneViewer()
         {
         }
@@ -82,16 +74,7 @@ namespace OpenSim.Region.Framework.Scenes
                 {
                     m_pendingObjects = new Queue<SceneObjectGroup>();
 
-                    List<EntityBase> ents = new List<EntityBase>(m_presence.Scene.Entities);
-                    if (!m_presence.IsChildAgent) // Proximity sort makes no sense for
-                    {                    // Child agents
-                        ents.Sort(delegate(EntityBase a, EntityBase b)
-                        {
-                            return Vector3.Distance(m_presence.AbsolutePosition, a.AbsolutePosition).CompareTo(Vector3.Distance(m_presence.AbsolutePosition, b.AbsolutePosition));
-                        });
-                    }
-                  
-                    foreach (EntityBase e in ents)
+                    foreach (EntityBase e in m_presence.Scene.Entities)
                     {
                         if (e is SceneObjectGroup)
                             m_pendingObjects.Enqueue((SceneObjectGroup)e);
@@ -99,7 +82,7 @@ namespace OpenSim.Region.Framework.Scenes
                 }
             }
 
-            while (m_pendingObjects != null && m_pendingObjects.Count > 0 && m_partsUpdateQueue.Count < m_maxPrimsPerFrame)
+            while (m_pendingObjects != null && m_pendingObjects.Count > 0)
             {
                 SceneObjectGroup g = m_pendingObjects.Dequeue();
 
@@ -183,8 +166,6 @@ namespace OpenSim.Region.Framework.Scenes
                             m_presence.GenerateClientFlags(part.UUID));
                 }
             }
-
-            m_presence.ControllingClient.FlushPrimUpdates();
         }
 
         public void Reset()
diff --git a/OpenSim/Region/Framework/Scenes/Scripting/IScriptHost.cs b/OpenSim/Region/Framework/Scenes/Scripting/IScriptHost.cs
index 29c4672..f3be028 100644
--- a/OpenSim/Region/Framework/Scenes/Scripting/IScriptHost.cs
+++ b/OpenSim/Region/Framework/Scenes/Scripting/IScriptHost.cs
@@ -35,8 +35,8 @@ namespace OpenSim.Region.Framework.Scenes.Scripting
         string Description { get; set; }
 
         UUID UUID { get; }
-        UUID ObjectOwner { get; }
-        UUID ObjectCreator { get; }
+        UUID OwnerID { get; }
+        UUID CreatorID { get; }
         Vector3 AbsolutePosition { get; }
 
         string SitName { get; set; }
diff --git a/OpenSim/Region/Framework/Scenes/Scripting/NullScriptHost.cs b/OpenSim/Region/Framework/Scenes/Scripting/NullScriptHost.cs
index af18a98..d7198f0 100644
--- a/OpenSim/Region/Framework/Scenes/Scripting/NullScriptHost.cs
+++ b/OpenSim/Region/Framework/Scenes/Scripting/NullScriptHost.cs
@@ -68,12 +68,12 @@ namespace OpenSim.Region.Framework.Scenes.Scripting
             get { return UUID.Zero; }
         }
 
-        public UUID ObjectOwner
+        public UUID OwnerID
         {
             get { return UUID.Zero; }
         }
 
-        public UUID ObjectCreator
+        public UUID CreatorID
         {
             get { return UUID.Zero; }
         }