C# SceneObjectGroup.AttachToScene方法代码示例

//.........这里部分代码省略.........
                pbs.PathTaperX = (sbyte) obj.TaperX;
                pbs.PathTaperY = (sbyte) obj.TaperY;
                pbs.PathTwist = (sbyte) obj.Twist;
                pbs.PathTwistBegin = (sbyte) obj.TwistBegin;
                pbs.HollowShape = (HollowShape) obj.ProfileHollow;
                pbs.PCode = (byte) PCode.Prim;
                pbs.ProfileBegin = (ushort) obj.ProfileBegin;
                pbs.ProfileCurve = (byte) obj.ProfileCurve;
                pbs.ProfileEnd = (ushort) obj.ProfileEnd;
                pbs.Scale = obj.Scale;
                pbs.State = (byte) 0;
                pbs.LastAttachPoint = (byte) 0;
                SceneObjectPart prim = new SceneObjectPart();
                prim.UUID = UUID.Random();
                prim.CreatorID = AgentId;
                prim.OwnerID = AgentId;
                prim.GroupID = obj.GroupID;
                prim.LastOwnerID = prim.OwnerID;
                prim.CreationDate = Util.UnixTimeSinceEpoch();
                prim.Name = obj.Name;
                prim.Description = "";

                prim.PayPrice[0] = -2;
                prim.PayPrice[1] = -2;
                prim.PayPrice[2] = -2;
                prim.PayPrice[3] = -2;
                prim.PayPrice[4] = -2;
                Primitive.TextureEntry tmp =
                    new Primitive.TextureEntry(UUID.Parse("89556747-24cb-43ed-920b-47caed15465f"));

                for (int j = 0; j < obj.Faces.Length; j++)
                {
                    UploadObjectAssetMessage.Object.Face face = obj.Faces[j];

                    Primitive.TextureEntryFace primFace = tmp.CreateFace((uint) j);

                    primFace.Bump = face.Bump;
                    primFace.RGBA = face.Color;
                    primFace.Fullbright = face.Fullbright;
                    primFace.Glow = face.Glow;
                    primFace.TextureID = face.ImageID;
                    primFace.Rotation = face.ImageRot;
                    primFace.MediaFlags = ((face.MediaFlags & 1) != 0);

                    primFace.OffsetU = face.OffsetS;
                    primFace.OffsetV = face.OffsetT;
                    primFace.RepeatU = face.ScaleS;
                    primFace.RepeatV = face.ScaleT;
                    primFace.TexMapType = (MappingType) (face.MediaFlags & 6);
                }

                pbs.TextureEntry = tmp.GetBytes();
                prim.Shape = pbs;
                prim.Scale = obj.Scale;
                
                SceneObjectGroup grp = new SceneObjectGroup();

                grp.SetRootPart(prim);
                prim.ParentID = 0;
                if (i == 0)
                {
                    rootGroup = grp;
                   
                }
                grp.AttachToScene(m_scene);
                grp.AbsolutePosition = obj.Position;
                prim.RotationOffset = obj.Rotation;
                
                // Required for linking
                grp.RootPart.ClearUpdateSchedule();
                
                if (m_scene.Permissions.CanRezObject(1, avatar.UUID, pos))
                {
                    m_scene.AddSceneObject(grp);
                    grp.AbsolutePosition = obj.Position;
                }
                
                allparts[i] = grp;
            }

            for (int j = 1; j < allparts.Length; j++)
            {
                // Required for linking
                rootGroup.RootPart.ClearUpdateSchedule();
                allparts[j].RootPart.ClearUpdateSchedule();
                rootGroup.LinkToGroup(allparts[j]);
            }

            rootGroup.ScheduleGroupForFullUpdate();
            pos
                = m_scene.GetNewRezLocation(
                    Vector3.Zero, rootpos, UUID.Zero, rot, (byte)1, 1, true, allparts[0].GroupScale, false);
           
            responsedata["int_response_code"] = 200; //501; //410; //404;
            responsedata["content_type"] = "text/plain";
            responsedata["keepalive"] = false;
            responsedata["str_response_string"] = String.Format("<llsd><map><key>local_id</key>{0}</map></llsd>", ConvertUintToBytes(allparts[0].LocalId));

            return responsedata;
        }

        public void DoAutoPilot(uint not_used, Vector3 Pos, IClientAPI remote_client)
        {
            m_autopilotMoving = true;
            m_autoPilotTarget = Pos;
            m_sitAtAutoTarget = false;
            PrimitiveBaseShape proxy = PrimitiveBaseShape.Default;
            //proxy.PCode = (byte)PCode.ParticleSystem;

            proxyObjectGroup = new SceneObjectGroup(UUID, Pos, Rotation, proxy, "", m_scene);
            proxyObjectGroup.AttachToScene(m_scene);

            // Commented out this code since it could never have executed, but might still be informative.
            //            if (proxyObjectGroup != null)
            //            {
            proxyObjectGroup.ScheduleGroupUpdate(PrimUpdateFlags.ForcedFullUpdate);
            remote_client.SendSitResponse(proxyObjectGroup.UUID, Vector3.Zero, Quaternion.Identity, true, Vector3.Zero, Vector3.Zero, false);
            IBackupModule backup = m_scene.RequestModuleInterface<IBackupModule>();
            if (backup != null)
                backup.DeleteSceneObjects(new[] { proxyObjectGroup }, true, true);
            //            }
            //            else
            //            {
            //                m_autopilotMoving = false;
            //                m_autoPilotTarget = Vector3.Zero;
            //                ControllingClient.SendAlertMessage("Autopilot cancelled");
            //            }
        }

        /// <summary>
        /// Add an object to the scene.  This will both update the scene, and send information about the
        /// new object to all clients interested in the scene.
        /// </summary>
        /// <param name="sceneObject"></param>
        /// <param name="attachToBackup">
        /// If true, the object is made persistent into the scene.
        /// If false, the object will not persist over server restarts
        /// </param>
        /// <param name="sendClientUpdates">
        /// If true, updates for the new scene object are sent to all viewers in range.
        /// If false, it is left to the caller to schedule the update
        /// </param>
        /// <returns>
        /// true if the object was added, false if an object with the same uuid was already in the scene
        /// </returns>
        protected bool AddSceneObject(SceneObjectGroup sceneObject, bool attachToBackup, bool sendClientUpdates)
        {
            if (sceneObject == null || sceneObject.RootPart == null || sceneObject.RootPart.UUID == UUID.Zero)
                return false;

            bool alreadyExisted = false;
            
            if (m_parentScene.m_clampPrimSize)
            {
                foreach (SceneObjectPart part in sceneObject.Children.Values)
                {
                    Vector3 scale = part.Shape.Scale;

                    if (scale.X > m_parentScene.m_maxNonphys)
                        scale.X = m_parentScene.m_maxNonphys;
                    if (scale.Y > m_parentScene.m_maxNonphys)
                        scale.Y = m_parentScene.m_maxNonphys;
                    if (scale.Z > m_parentScene.m_maxNonphys)
                        scale.Z = m_parentScene.m_maxNonphys;

                    part.Shape.Scale = scale;
                }
            }

            sceneObject.AttachToScene(m_parentScene);

            if (sendClientUpdates)
                sceneObject.ScheduleGroupForFullUpdate();

            lock (sceneObject)
            {
                if (!Entities.ContainsKey(sceneObject.UUID))
                {
                    Entities.Add(sceneObject);
                    m_numPrim += sceneObject.Children.Count;

                    if (attachToBackup)
                        sceneObject.AttachToBackup();

                    if (OnObjectCreate != null)
                        OnObjectCreate(sceneObject);
                    
                    lock (m_dictionary_lock)
                    {
                        SceneObjectGroupsByFullID[sceneObject.UUID] = sceneObject;
                        SceneObjectGroupsByLocalID[sceneObject.LocalId] = sceneObject;
                        foreach (SceneObjectPart part in sceneObject.Children.Values)
                        {
                            SceneObjectGroupsByFullID[part.UUID] = sceneObject;
                            SceneObjectGroupsByLocalID[part.LocalId] = sceneObject;
                        }
                    }
                }
                else
                {
                    alreadyExisted = true;
                }
            }

            return alreadyExisted;
        }

        public void DoAutoPilot(uint not_used, Vector3 Pos, IClientAPI remote_client)
        {
            if (IsChildAgent || IsInTransit)
            {
                m_log.Info("[SCENE PRESENCE]: DoAutoPilot: Request from child agent ignored - " + this.UUID.ToString());
                return;
            }

            //m_log.Debug("[SCENE PRESENCE]: DoAutoPilot: Auto-move " + this.UUID.ToString() + " to " + Pos.ToString());
            m_autopilotMoving = true;
            m_autoPilotTarget = Pos;
            m_sitAtAutoTarget = false;
            PrimitiveBaseShape proxy = PrimitiveBaseShape.Default;
            //proxy.PCode = (byte)PCode.ParticleSystem;

            proxyObjectGroup = new SceneObjectGroup(UUID, Pos, Rotation, proxy, false);
            proxyObjectGroup.AttachToScene(m_scene, false);
            
            // Commented out this code since it could never have executed, but might still be informative.
//            if (proxyObjectGroup != null)
//            {
                proxyObjectGroup.SendGroupFullUpdate(PrimUpdateFlags.ForcedFullUpdate);
                remote_client.SendSitResponse(proxyObjectGroup.UUID, Vector3.Zero, Quaternion.Identity, true, Vector3.Zero, Vector3.Zero, false);
                m_scene.DeleteSceneObject(proxyObjectGroup, false);
//            }
//            else
//            {
//                m_autopilotMoving = false;
//                m_autoPilotTarget = Vector3.Zero;
//                ControllingClient.SendAlertMessage("Autopilot cancelled");
//            }
        }

        /// <summary>
        /// Add an object to the scene.  This will both update the scene, and send information about the
        /// new object to all clients interested in the scene.
        /// </summary>
        /// <remarks>
        /// The object's stored position, rotation and velocity are used.
        /// </remarks>
        /// <param name="sceneObject"></param>
        /// <param name="attachToBackup">
        /// If true, the object is made persistent into the scene.
        /// If false, the object will not persist over server restarts
        /// </param>
        /// <param name="sendClientUpdates">
        /// If true, updates for the new scene object are sent to all viewers in range.
        /// If false, it is left to the caller to schedule the update
        /// </param>
        /// <returns>
        /// true if the object was added, false if an object with the same uuid was already in the scene
        /// </returns>
        protected bool AddSceneObject(SceneObjectGroup sceneObject, bool attachToBackup, bool sendClientUpdates)
        {
            if (sceneObject == null)
            {
                m_log.ErrorFormat("[SCENEGRAPH]: Tried to add null scene object");
                return false;
            }
            if (sceneObject.UUID == UUID.Zero)
            {
                m_log.ErrorFormat(
                    "[SCENEGRAPH]: Tried to add scene object {0} to {1} with illegal UUID of {2}",
                    sceneObject.Name, m_parentScene.RegionInfo.RegionName, UUID.Zero);

                return false;
            }

            if (Entities.ContainsKey(sceneObject.UUID))
            {
                m_log.DebugFormat(
                    "[SCENEGRAPH]: Scene graph for {0} already contains object {1} in AddSceneObject()",
                    m_parentScene.RegionInfo.RegionName, sceneObject.UUID);

                return false;
            }

//            m_log.DebugFormat(
//                "[SCENEGRAPH]: Adding scene object {0} {1}, with {2} parts on {3}",
//                sceneObject.Name, sceneObject.UUID, sceneObject.Parts.Length, m_parentScene.RegionInfo.RegionName);

            SceneObjectPart[] parts = sceneObject.Parts;

            // Clamp the sizes (scales) of the child prims and add the child prims to the count of all primitives
            // (meshes and geometric primitives) in the scene; add child prims to m_numTotalPrim count
            if (m_parentScene.m_clampPrimSize)
            {
                foreach (SceneObjectPart part in parts)
                {
                    Vector3 scale = part.Shape.Scale;

                    scale.X = Util.Clamp(scale.X, m_parentScene.m_minNonphys, m_parentScene.m_maxNonphys);
                    scale.Y = Util.Clamp(scale.Y, m_parentScene.m_minNonphys, m_parentScene.m_maxNonphys);
                    scale.Z = Util.Clamp(scale.Z, m_parentScene.m_minNonphys, m_parentScene.m_maxNonphys);

                    part.Shape.Scale = scale;
                }
            }
            m_numTotalPrim += parts.Length;

            // Go through all parts (geometric primitives and meshes) of this Scene Object
            foreach (SceneObjectPart part in parts)
            {
                // Keep track of the total number of meshes or geometric primitives now in the scene;
                // determine which object this is based on its primitive type: sculpted (sculpt) prim refers to
                // a mesh and all other prims (i.e. box, sphere, etc) are geometric primitives
                if (part.GetPrimType() == PrimType.SCULPT)
                    m_numMesh++;
                else
                    m_numPrim++;
            }

            sceneObject.AttachToScene(m_parentScene);

            Entities.Add(sceneObject);

            lock (SceneObjectGroupsByFullID)
                SceneObjectGroupsByFullID[sceneObject.UUID] = sceneObject;

            foreach (SceneObjectPart part in parts)
            {
                lock (SceneObjectGroupsByFullPartID)
                    SceneObjectGroupsByFullPartID[part.UUID] = sceneObject;

                lock (SceneObjectGroupsByLocalPartID)
                    SceneObjectGroupsByLocalPartID[part.LocalId] = sceneObject;
            }

            if (sendClientUpdates)
                sceneObject.ScheduleGroupForFullUpdate();

            if (attachToBackup)
                sceneObject.AttachToBackup();
//.........这里部分代码省略.........

        /// <summary>
        /// Add an object to the scene.  This will both update the scene, and send information about the
        /// new object to all clients interested in the scene.
        /// </summary>
        /// <remarks>
        /// The object's stored position, rotation and velocity are used.
        /// </remarks>
        /// <param name="sceneObject"></param>
        /// <param name="attachToBackup">
        /// If true, the object is made persistent into the scene.
        /// If false, the object will not persist over server restarts
        /// </param>
        /// <param name="sendClientUpdates">
        /// If true, updates for the new scene object are sent to all viewers in range.
        /// If false, it is left to the caller to schedule the update
        /// </param>
        /// <returns>
        /// true if the object was added, false if an object with the same uuid was already in the scene
        /// </returns>
        protected bool AddSceneObject(SceneObjectGroup sceneObject, bool attachToBackup, bool sendClientUpdates)
        {
            if (sceneObject.UUID == UUID.Zero)
            {
                m_log.ErrorFormat(
                    "[SCENEGRAPH]: Tried to add scene object {0} to {1} with illegal UUID of {2}",
                    sceneObject.Name, m_parentScene.RegionInfo.RegionName, UUID.Zero);

                return false;
            }

            if (Entities.ContainsKey(sceneObject.UUID))
            {
                m_log.DebugFormat(
                    "[SCENEGRAPH]: Scene graph for {0} already contains object {1} in AddSceneObject()",
                    m_parentScene.RegionInfo.RegionName, sceneObject.UUID);

                return false;
            }

//            m_log.DebugFormat(
//                "[SCENEGRAPH]: Adding scene object {0} {1}, with {2} parts on {3}",
//                sceneObject.Name, sceneObject.UUID, sceneObject.Parts.Length, m_parentScene.RegionInfo.RegionName);

            SceneObjectPart[] parts = sceneObject.Parts;

            // Clamp child prim sizes and add child prims to the m_numPrim count
            if (m_parentScene.m_clampPrimSize)
            {
                foreach (SceneObjectPart part in parts)
                {
                    Vector3 scale = part.Shape.Scale;

                    scale.X = Math.Max(m_parentScene.m_minNonphys, Math.Min(m_parentScene.m_maxNonphys, scale.X));
                    scale.Y = Math.Max(m_parentScene.m_minNonphys, Math.Min(m_parentScene.m_maxNonphys, scale.Y));
                    scale.Z = Math.Max(m_parentScene.m_minNonphys, Math.Min(m_parentScene.m_maxNonphys, scale.Z));

                    part.Shape.Scale = scale;
                }
            }
            m_numPrim += parts.Length;

            sceneObject.AttachToScene(m_parentScene);

            if (sendClientUpdates)
                sceneObject.ScheduleGroupForFullUpdate();

            Entities.Add(sceneObject);

            if (attachToBackup)
                sceneObject.AttachToBackup();

            lock (SceneObjectGroupsByFullID)
                SceneObjectGroupsByFullID[sceneObject.UUID] = sceneObject;

            lock (SceneObjectGroupsByFullPartID)
            {
                foreach (SceneObjectPart part in parts)
                    SceneObjectGroupsByFullPartID[part.UUID] = sceneObject;
            }

            lock (SceneObjectGroupsByLocalPartID)
            {
//                m_log.DebugFormat(
//                    "[SCENE GRAPH]: Adding scene object {0} {1} {2} to SceneObjectGroupsByLocalPartID in {3}",
//                    sceneObject.Name, sceneObject.UUID, sceneObject.LocalId, m_parentScene.RegionInfo.RegionName);

                foreach (SceneObjectPart part in parts)
                    SceneObjectGroupsByLocalPartID[part.LocalId] = sceneObject;
            }

            return true;
        }

        /// <summary>
        /// Add an object to the scene.  This will both update the scene, and send information about the
        /// new object to all clients interested in the scene.
        /// </summary>
        /// <remarks>
        /// The object's stored position, rotation and velocity are used.
        /// </remarks>
        /// <param name="sceneObject"></param>
        /// <param name="attachToBackup">
        /// If true, the object is made persistent into the scene.
        /// If false, the object will not persist over server restarts
        /// </param>
        /// <param name="sendClientUpdates">
        /// If true, updates for the new scene object are sent to all viewers in range.
        /// If false, it is left to the caller to schedule the update
        /// </param>
        /// <returns>
        /// true if the object was added, false if an object with the same uuid was already in the scene
        /// </returns>
        protected bool AddSceneObject(SceneObjectGroup sceneObject, bool attachToBackup, bool sendClientUpdates)
        {
            if (sceneObject == null || sceneObject.RootPart.UUID == UUID.Zero)
                return false;

            if (Entities.ContainsKey(sceneObject.UUID))
                return false;
            
//            m_log.DebugFormat(
//                "[SCENEGRAPH]: Adding scene object {0} {1}, with {2} parts on {3}", 
//                sceneObject.Name, sceneObject.UUID, sceneObject.Parts.Length, m_parentScene.RegionInfo.RegionName);

            SceneObjectPart[] parts = sceneObject.Parts;

            // Clamp child prim sizes and add child prims to the m_numPrim count
            if (m_parentScene.m_clampPrimSize)
            {
                foreach (SceneObjectPart part in parts)
                {
                    Vector3 scale = part.Shape.Scale;

                    if (scale.X > m_parentScene.m_maxNonphys)
                        scale.X = m_parentScene.m_maxNonphys;
                    if (scale.Y > m_parentScene.m_maxNonphys)
                        scale.Y = m_parentScene.m_maxNonphys;
                    if (scale.Z > m_parentScene.m_maxNonphys)
                        scale.Z = m_parentScene.m_maxNonphys;

                    part.Shape.Scale = scale;
                }
            }
            m_numPrim += parts.Length;

            sceneObject.AttachToScene(m_parentScene);

            if (sendClientUpdates)
                sceneObject.ScheduleGroupForFullUpdate();

            Entities.Add(sceneObject);

            if (attachToBackup)
                sceneObject.AttachToBackup();

            if (OnObjectCreate != null)
                OnObjectCreate(sceneObject);

            lock (SceneObjectGroupsByFullID)
                SceneObjectGroupsByFullID[sceneObject.UUID] = sceneObject;
            
            lock (SceneObjectGroupsByFullPartID)
            {
                foreach (SceneObjectPart part in parts)
                    SceneObjectGroupsByFullPartID[part.UUID] = sceneObject;
            }

            lock (SceneObjectGroupsByLocalPartID)
            {
//                m_log.DebugFormat(
//                    "[SCENE GRAPH]: Adding scene object {0} {1} {2} to SceneObjectGroupsByLocalPartID in {3}",
//                    sceneObject.Name, sceneObject.UUID, sceneObject.LocalId, m_parentScene.RegionInfo.RegionName);

                foreach (SceneObjectPart part in parts)
                    SceneObjectGroupsByLocalPartID[part.LocalId] = sceneObject;
            }

            return true;
        }

        /// <summary>
        /// Add an object to the scene.  This will both update the scene, and send information about the
        /// new object to all clients interested in the scene.
        /// </summary>
        /// <param name="sceneObject"></param>
        /// <param name="attachToBackup">
        /// If true, the object is made persistent into the scene.
        /// If false, the object will not persist over server restarts
        /// </param>
        /// <returns>true if the object was added, false if an object with the same uuid was already in the scene
        /// </returns>
        public bool AddGroupToSceneGraph(SceneObjectGroup sceneObject, bool attachToBackup, bool alreadyPersisted, bool fromStorage,
            bool fromCrossing)
        {
            if (sceneObject == null || sceneObject.RootPart == null || sceneObject.RootPart.UUID == UUID.Zero)
            {
                m_log.ErrorFormat("[SceneGraph]: {0} AddGroupToSceneGraph failed, invalid or null object.", m_parentScene.RegionInfo.RegionName);
                return false;
            }

            foreach (SceneObjectPart part in sceneObject.Children.Values)
            {
                Vector3 scale = part.Shape.Scale;
                if (scale.X < SceneObjectPart.MIN_PART_SCALE)
                {
                    scale.X = SceneObjectPart.MIN_PART_SCALE;
                    sceneObject.HasGroupChanged = true;
                }
                if (scale.Y < SceneObjectPart.MIN_PART_SCALE)
                {
                    scale.Y = SceneObjectPart.MIN_PART_SCALE;
                    sceneObject.HasGroupChanged = true;
                }
                if (scale.Z < SceneObjectPart.MIN_PART_SCALE)
                {
                    scale.Z = SceneObjectPart.MIN_PART_SCALE;
                    sceneObject.HasGroupChanged = true;
                }

                if (m_parentScene.m_clampPrimSize)
                {
                    if (scale.X > m_parentScene.m_maxNonphys)
                        scale.X = m_parentScene.m_maxNonphys;
                    if (scale.Y > m_parentScene.m_maxNonphys)
                        scale.Y = m_parentScene.m_maxNonphys;
                    if (scale.Z > m_parentScene.m_maxNonphys)
                        scale.Z = m_parentScene.m_maxNonphys;
                }
                part.Shape.Scale = scale;
            }

            // if physical, make sure we're above the ground by at least 10 cm
            if ((sceneObject.RootPart.Flags & PrimFlags.Physics) != 0)
            {
                OpenSim.Framework.Geom.Box bbox = sceneObject.BoundingBox();
                float groundHeight = m_parentScene.Heightmap.CalculateHeightAt(sceneObject.AbsolutePosition.X, sceneObject.AbsolutePosition.Y);
                if (sceneObject.AbsolutePosition.Z + bbox.Size.Z <= groundHeight)
                {
                    Vector3 newPos = sceneObject.AbsolutePosition;
                    newPos.Z = (bbox.Size.Z / 2.0f) + groundHeight + 0.1f;

                    sceneObject.RootPart.SetGroupPositionDirect(newPos);
                }

                AddPhysicalObject();
            }

            // rationalize the group: fix any inconsistency in locked bits, and 
            // clear the default touch action of BUY for any objects not actually for sale, etc
            sceneObject.Rationalize(sceneObject.OwnerID, fromCrossing);

            sceneObject.AttachToScene(m_parentScene, fromStorage); // allocates the localIds for the prims
            if (!alreadyPersisted)
            {
                sceneObject.HasGroupChanged = true;
            }

            sceneObject.IsPersisted = alreadyPersisted;

            lock (sceneObject)
            {
                bool entityAdded = false;
                lock (m_dictionary_lock)
                {
                    if (!Entities.ContainsKey(sceneObject.LocalId))
                    {
                        Entities.Add(sceneObject);
                        foreach (SceneObjectPart part in sceneObject.Children.Values)
                        {
                            SceneObjectPartsByFullID[part.UUID] = part;
                            SceneObjectPartsByLocalID[part.LocalId] = part;
                        }

                        entityAdded = true;
                    }
                }

                if (entityAdded)
                {
                    m_numPrim += sceneObject.Children.Count;
//.........这里部分代码省略.........

        /// <summary>
        /// Add an object to the scene.  This will both update the scene, and send information about the
        /// new object to all clients interested in the scene.
        /// </summary>
        /// <param name="sceneObject"></param>
        /// <param name="attachToBackup">
        /// If true, the object is made persistent into the scene.
        /// If false, the object will not persist over server restarts
        /// </param>
        /// <param name="sendClientUpdates">
        /// If true, updates for the new scene object are sent to all viewers in range.
        /// If false, it is left to the caller to schedule the update
        /// </param>
        /// <returns>
        /// true if the object was added, false if an object with the same uuid was already in the scene
        /// </returns>
        protected bool AddSceneObject(SceneObjectGroup sceneObject, bool attachToBackup, bool sendClientUpdates)
        {
            if (sceneObject == null || sceneObject.RootPart == null || sceneObject.RootPart.UUID == UUID.Zero)
                return false;

            if (Entities.ContainsKey(sceneObject.UUID))
                return false;

            SceneObjectPart[] children = sceneObject.Parts;

            // Clamp child prim sizes and add child prims to the m_numPrim count
            if (m_parentScene.m_clampPrimSize)
            {
                foreach (SceneObjectPart part in children)
                {
                    Vector3 scale = part.Shape.Scale;

                    if (scale.X > m_parentScene.m_maxNonphys)
                        scale.X = m_parentScene.m_maxNonphys;
                    if (scale.Y > m_parentScene.m_maxNonphys)
                        scale.Y = m_parentScene.m_maxNonphys;
                    if (scale.Z > m_parentScene.m_maxNonphys)
                        scale.Z = m_parentScene.m_maxNonphys;

                    part.Shape.Scale = scale;
                }
            }
            m_numPrim += children.Length;

            sceneObject.AttachToScene(m_parentScene);

            if (sendClientUpdates)
                sceneObject.ScheduleGroupForFullUpdate();

            Entities.Add(sceneObject);

            if (attachToBackup)
                sceneObject.AttachToBackup();

            if (OnObjectCreate != null)
                OnObjectCreate(sceneObject);

            lock (SceneObjectGroupsByFullID)
            {
                SceneObjectGroupsByFullID[sceneObject.UUID] = sceneObject;
                foreach (SceneObjectPart part in children)
                    SceneObjectGroupsByFullID[part.UUID] = sceneObject;
            }

            lock (SceneObjectGroupsByLocalID)
            {
                SceneObjectGroupsByLocalID[sceneObject.LocalId] = sceneObject;
                foreach (SceneObjectPart part in children)
                    SceneObjectGroupsByLocalID[part.LocalId] = sceneObject;
            }

            return true;
        }

        /// <summary>
        /// Add an object to the scene.  This will both update the scene, and send information about the
        /// new object to all clients interested in the scene.
        /// </summary>
        /// <param name="sceneObject"></param>
        /// <param name="attachToBackup">
        /// If true, the object is made persistent into the scene.
        /// If false, the object will not persist over server restarts
        /// </param>
        /// <param name="sendClientUpdates">
        /// If true, updates for the new scene object are sent to all viewers in range.
        /// If false, it is left to the caller to schedule the update
        /// </param>
        /// <returns>
        /// true if the object was added, false if an object with the same uuid was already in the scene
        /// </returns>
        protected bool AddSceneObject(SceneObjectGroup sceneObject, bool attachToBackup, bool sendClientUpdates)
        {
            if (sceneObject == null || sceneObject.RootPart == null || sceneObject.RootPart.UUID == UUID.Zero)
                return false;

            lock (sceneObject)
            {            
                if (Entities.ContainsKey(sceneObject.UUID))
                {
//                    m_log.WarnFormat(
//                        "[SCENE GRAPH]: Scene object {0} {1} was already in region {2} on add request", 
//                        sceneObject.Name, sceneObject.UUID, m_parentScene.RegionInfo.RegionName);                    
                    return false;
                }
                   
//                    m_log.DebugFormat(
//                        "[SCENE GRAPH]: Adding object {0} {1} to region {2}", 
//                        sceneObject.Name, sceneObject.UUID, m_parentScene.RegionInfo.RegionName);                
            
                if (m_parentScene.m_clampPrimSize)
                {
                    foreach (SceneObjectPart part in sceneObject.Children.Values)
                    {
                        Vector3 scale = part.Shape.Scale;
    
                        if (scale.X > m_parentScene.m_maxNonphys)
                            scale.X = m_parentScene.m_maxNonphys;
                        if (scale.Y > m_parentScene.m_maxNonphys)
                            scale.Y = m_parentScene.m_maxNonphys;
                        if (scale.Z > m_parentScene.m_maxNonphys)
                            scale.Z = m_parentScene.m_maxNonphys;
    
                        part.Shape.Scale = scale;
                    }
                }
    
                sceneObject.AttachToScene(m_parentScene);
    
                if (sendClientUpdates)
                    sceneObject.ScheduleGroupForFullUpdate();
                                     
                Entities.Add(sceneObject);
                m_numPrim += sceneObject.Children.Count;

                if (attachToBackup)
                    sceneObject.AttachToBackup();

                if (OnObjectCreate != null)
                    OnObjectCreate(sceneObject);
                
                lock (m_dictionary_lock)
                {
                    SceneObjectGroupsByFullID[sceneObject.UUID] = sceneObject;
                    SceneObjectGroupsByLocalID[sceneObject.LocalId] = sceneObject;
                    foreach (SceneObjectPart part in sceneObject.Children.Values)
                    {
                        SceneObjectGroupsByFullID[part.UUID] = sceneObject;
                        SceneObjectGroupsByLocalID[part.LocalId] = sceneObject;
                    }
                }
            }

            return true;
        }

        /// <summary>
        /// Add an object to the scene.  This will both update the scene, and send information about the
        /// new object to all clients interested in the scene.
        /// </summary>
        /// <param name="sceneObject"></param>
        /// <param name="attachToBackup">
        /// If true, the object is made persistent into the scene.
        /// If false, the object will not persist over server restarts
        /// </param>
        /// <param name="sendClientUpdates">
        /// If true, updates for the new scene object are sent to all viewers in range.
        /// If false, it is left to the caller to schedule the update
        /// </param>
        /// <returns>
        /// true if the object was added, false if an object with the same uuid was already in the scene
        /// </returns>
        protected bool AddSceneObject(SceneObjectGroup sceneObject, bool attachToBackup, bool sendClientUpdates)
        {
            if (sceneObject == null || sceneObject.RootPart == null || sceneObject.RootPart.UUID == UUID.Zero)
                return false;

            //if (Entities.ContainsKey(sceneObject.UUID))
            //{
            //    m_log.WarnFormat(
            //            "[SCENE GRAPH]: Scene object {0} {1} was already in region {2} on add request",
            //            sceneObject.Name, sceneObject.UUID, m_parentScene.RegionInfo.RegionName);
            //    return false;
            //}

            IOpenRegionSettingsModule WSModule = sceneObject.Scene.RequestModuleInterface<IOpenRegionSettingsModule>();
            if (WSModule != null)
            {
                foreach (SceneObjectPart part in sceneObject.ChildrenList)
                {
                    if (part.Shape == null)
                        continue;

                    Vector3 scale = part.Shape.Scale;

                    if (WSModule.MinimumPrimScale != -1)
                    {
                        if (scale.X < WSModule.MinimumPrimScale)
                            scale.X = WSModule.MinimumPrimScale;
                        if (scale.Y < WSModule.MinimumPrimScale)
                            scale.Y = WSModule.MinimumPrimScale;
                        if (scale.Z < WSModule.MinimumPrimScale)
                            scale.Z = WSModule.MinimumPrimScale;
                    }

                    if (part.ParentGroup.RootPart.PhysActor != null && part.ParentGroup.RootPart.PhysActor.IsPhysical &&
                        WSModule.MaximumPhysPrimScale != -1)
                    {
                        if (scale.X > WSModule.MaximumPhysPrimScale)
                            scale.X = WSModule.MaximumPhysPrimScale;
                        if (scale.Y > WSModule.MaximumPhysPrimScale)
                            scale.Y = WSModule.MaximumPhysPrimScale;
                        if (scale.Z > WSModule.MaximumPhysPrimScale)
                            scale.Z = WSModule.MaximumPhysPrimScale;
                    }

                    if (WSModule.MaximumPrimScale != -1)
                    {
                        if (scale.X > WSModule.MaximumPrimScale)
                            scale.X = WSModule.MaximumPrimScale;
                        if (scale.Y > WSModule.MaximumPrimScale)
                            scale.Y = WSModule.MaximumPrimScale;
                        if (scale.Z > WSModule.MaximumPrimScale)
                            scale.Z = WSModule.MaximumPrimScale;
                    }

                    part.Shape.Scale = scale;
                }
            }
            sceneObject.AttachToScene(m_parentScene);
            Entities.Add(sceneObject);

            if (sendClientUpdates)
                sceneObject.ScheduleGroupForFullUpdate(PrimUpdateFlags.FullUpdate);

            m_numPrim += sceneObject.ChildrenList.Count;
            return true;
        }