Dump OpenSim 0.9.0.1 into it's own branch.

1 files changed, 1425 insertions, 1135 deletions

diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index 2fe6e22..15a0493 100644..100755
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -61,15 +61,12 @@ namespace OpenSim.Region.Framework.Scenes
     {
         private const long DEFAULT_MIN_TIME_FOR_PERSISTENCE = 60L;
         private const long DEFAULT_MAX_TIME_FOR_PERSISTENCE = 600L;
-        
-        public const int m_defaultNumberFramesStored = 10;
+
 
         public delegate void SynchronizeSceneHandler(Scene scene);
 
         #region Fields
 
-        public bool EmergencyMonitoring = false;
-
         /// <summary>
         /// Show debug information about animations.
         /// </summary>
@@ -91,7 +88,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         /// <remarks>
         /// Even if false, the scene will still be saved on clean shutdown.
-        /// FIXME: Currently, setting this to false will mean that objects are not periodically returned from parcels.  
+        /// FIXME: Currently, setting this to false will mean that objects are not periodically returned from parcels.
         /// This needs to be fixed.
         /// </remarks>
         public bool PeriodicBackup { get; set; }
@@ -105,6 +102,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// <summary>
         /// If false then physical objects are disabled, though collisions will continue as normal.
         /// </summary>
+
         public bool PhysicsEnabled
         {
             get
@@ -174,6 +172,13 @@ namespace OpenSim.Region.Framework.Scenes
 
         public SynchronizeSceneHandler SynchronizeScene;
 
+        public bool ClampNegativeZ
+        {
+            get { return m_clampNegativeZ; }
+        }
+
+        private bool m_clampNegativeZ = false;
+
         /// <summary>
         /// Used to prevent simultaneous calls to code that adds and removes agents.
         /// </summary>
@@ -216,7 +221,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// <summary>
         /// Maximum value of the size of a physical prim in each axis
         /// </summary>
-        public float m_maxPhys = 64;
+        public float m_maxPhys = 10;
 
         /// <summary>
         /// Max prims an object will hold
@@ -228,57 +233,48 @@ namespace OpenSim.Region.Framework.Scenes
         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;
-
-        /// <summary>
-        /// Temporarily setting to trigger appearance resends at 60 second intervals.
+        /// use legacy sittarget offsets to avoid contents breaks
+        /// to compensate for SL bug
         /// </summary>
-        public bool SendPeriodicAppearanceUpdates { get; set; }
+        public bool LegacySitOffsets = true;
 
         /// <summary>
-        /// How much a root agent has to change position before updates are sent to viewers.
-        /// </summary>
-        public float RootPositionUpdateTolerance { get; set; }
-
-        /// <summary>
-        /// How much a root agent has to rotate before updates are sent to viewers.
+        /// Can avatars cross from and to this region?
         /// </summary>
-        public float RootRotationUpdateTolerance { get; set; }
+        public bool AllowAvatarCrossing { get; set; }
 
-        /// <summary>
-        /// How much a root agent has to change velocity before updates are sent to viewers.
+        /// Max prims an Physical object will hold
         /// </summary>
-        public float RootVelocityUpdateTolerance { get; set; }
+        ///
+        public int m_linksetPhysCapacity = 0;
 
         /// <summary>
-        /// If greater than 1, we only send terse updates to other root agents on every n updates.
+        /// When placed outside the region's border, do we transfer the objects or
+        /// do we keep simulating them here?
         /// </summary>
-        public int RootTerseUpdatePeriod { get; set; }
+        public bool DisableObjectTransfer { get; set; }
 
-        /// <summary>
-        /// If greater than 1, we only send terse updates to child agents on every n updates.
-        /// </summary>
-        public int ChildTerseUpdatePeriod { get; set; }
+        public bool m_useFlySlow;
+        public bool m_useTrashOnDelete = true;
 
-        protected float m_defaultDrawDistance = 255.0f;
+         protected float m_defaultDrawDistance = 255f;
+        protected float m_defaultCullingDrawDistance = 16f;
         public float DefaultDrawDistance
         {
-            // get { return m_defaultDrawDistance; }
-            get
-            {
-                if (RegionInfo != null)
-                {
-                    float largestDimension = Math.Max(RegionInfo.RegionSizeX, RegionInfo.RegionSizeY);
-                    m_defaultDrawDistance = Math.Max(m_defaultDrawDistance, largestDimension);
+             get { return ObjectsCullingByDistance?m_defaultCullingDrawDistance:m_defaultDrawDistance; }
+        }
 
-                }
-                return m_defaultDrawDistance;
-            }
+        protected float m_maxDrawDistance = 512.0f;
+//        protected float m_maxDrawDistance = 256.0f;
+        public float MaxDrawDistance
+        {
+            get { return m_maxDrawDistance; }
+        }
+
+        protected float m_maxRegionViewDistance = 255f;
+        public float MaxRegionViewDistance
+        {
+            get { return m_maxRegionViewDistance; }
         }
 
         private List<string> m_AllowedViewers = new List<string>();
@@ -287,8 +283,8 @@ namespace OpenSim.Region.Framework.Scenes
         // TODO: need to figure out how allow client agents but deny
         // root agents when ACL denies access to root agent
         public bool m_strictAccessControl = true;
-
-        public int MaxUndoCount { get; set; }
+        public bool m_seeIntoBannedRegion = false;
+        public int MaxUndoCount = 5;
 
         public bool SeeIntoRegion { get; set; }
 
@@ -306,11 +302,13 @@ namespace OpenSim.Region.Framework.Scenes
 
         protected int m_splitRegionID;
         protected Timer m_restartWaitTimer = new Timer();
+        protected Timer m_timerWatchdog = new Timer();
         protected List<RegionInfo> m_regionRestartNotifyList = new List<RegionInfo>();
         protected List<RegionInfo> m_neighbours = new List<RegionInfo>();
         protected string m_simulatorVersion = "OpenSimulator Server";
         protected AgentCircuitManager m_authenticateHandler;
         protected SceneCommunicationService m_sceneGridService;
+        protected ISnmpModule m_snmpService = null;
 
         protected ISimulationDataService m_SimulationDataService;
         protected IEstateDataService m_EstateDataService;
@@ -339,17 +337,6 @@ namespace OpenSim.Region.Framework.Scenes
         private Dictionary<string, string> m_extraSettings;
 
         /// <summary>
-        /// If true then the next time the scene loop is activated, updates will be performed by firing of a timer
-        /// rather than on a single thread that sleeps.
-        /// </summary>
-        public bool UpdateOnTimer { get; set; }
-
-        /// <summary>
-        /// Only used if we are updating scene on a timer rather than sleeping a thread.
-        /// </summary>
-        private Timer m_sceneUpdateTimer;
-
-        /// <summary>
         /// Current scene frame number
         /// </summary>
         public uint Frame
@@ -359,87 +346,38 @@ namespace OpenSim.Region.Framework.Scenes
         }
 
         /// <summary>
-        /// Current maintenance run number
-        /// </summary>
-        public uint MaintenanceRun { get; private set; }
-
-        /// <summary>
-        /// The minimum length of time in milliseconds that will be taken for a scene frame.  If the frame takes less time then we
-        /// will sleep for the remaining period.
-        /// </summary>
-        /// <remarks>
-        /// One can tweak this number to experiment.  One current effect of reducing it is to make avatar animations
-        /// occur too quickly (viewer 1) or with even more slide (viewer 2).
+        /// Frame time
         /// </remarks>
-        public int MinFrameTicks
-        {
-            get { return m_minFrameTicks; }
-            private set
-            {
-                m_minFrameTicks = value;
-                MinFrameSeconds = (float)m_minFrameTicks / 1000;
-            }
-        }
-        private int m_minFrameTicks;
-
-                public int FrameTimeWarnPercent { get; private set; }
-                public int FrameTimeCritPercent { get; private set; }
+        public float FrameTime { get; private set; }
+        public int FrameTimeWarnPercent { get; private set; }
+        public int FrameTimeCritPercent { get; private set; }
 
         // Normalize the frame related stats to nominal 55fps for viewer and scripts option
         // see SimStatsReporter.cs
         public bool Normalized55FPS { get; private set; }
 
-        /// <summary>
-        /// The minimum length of time in seconds that will be taken for a scene frame.
-        /// </summary>
-        /// <remarks>
-        /// Always derived from MinFrameTicks.
-        /// </remarks>
-        public float MinFrameSeconds { get; private set; }
-
-        /// <summary>
-        /// The minimum length of time in milliseconds that will be taken for a scene frame.  If the frame takes less time then we
-        /// will sleep for the remaining period.
-        /// </summary>
-        /// <remarks>
-        /// One can tweak this number to experiment.  One current effect of reducing it is to make avatar animations
-        /// occur too quickly (viewer 1) or with even more slide (viewer 2).
-        /// </remarks>
-        public int MinMaintenanceTicks { get; set; }
-
         private int m_update_physics = 1;
         private int m_update_entitymovement = 1;
         private int m_update_objects = 1;
         private int m_update_presences = 1; // Update scene presence movements
         private int m_update_events = 1;
         private int m_update_backup = 200;
-        private int m_update_terrain = 50;
-        //        private int m_update_land = 1;
-        private int m_update_coarse_locations = 50;
+
+        private int m_update_terrain = 1000;
+
+        private int m_update_coarse_locations = 5;
         private int m_update_temp_cleaning = 180;
 
-        private int agentMS;
-        private int frameMS;
-        private int physicsMS2;
-        private int physicsMS;
-        private int otherMS;
-        private int tempOnRezMS;
-        private int eventMS;
-        private int backupMS;
-        private int terrainMS;
-        private int landMS;
-        private int spareMS;
-
-        // A temporary configuration flag to enable using FireAndForget to process
-        //   collisions from the physics engine. There is a problem with collisions
-        //   stopping sometimes and MB's suspicion is some race condition passing
-        //   collisions from the physics engine callback to the script engine.
-        //   This causes the collision events to be passed with a FireAndForget
-        //   call which should eliminate that linkage. Testers can turn this on
-        //   and see if collisions stop. If they don't, the problem is somewhere else.
-        //   This feature defaults to 'off' so, by default, the simulator operation
-        //   is not changed.
-        public bool ShouldUseFireAndForgetForCollisions = false;
+        private float agentMS;
+        private float frameMS;
+        private float physicsMS2;
+        private float physicsMS;
+        private float otherMS;
+        private float tempOnRezMS;
+        private float eventMS;
+        private float backupMS;
+        private float terrainMS;
+        private float landMS;
 
         /// <summary>
         /// Tick at which the last frame was processed.
@@ -447,11 +385,6 @@ namespace OpenSim.Region.Framework.Scenes
         private int m_lastFrameTick;
 
         /// <summary>
-        /// Tick at which the last maintenance run occurred.
-        /// </summary>
-        private int m_lastMaintenanceTick;
-
-        /// <summary>
         /// Total script execution time (in Stopwatch Ticks) since the last frame
         /// </summary>
         private long m_scriptExecutionTime = 0;
@@ -461,23 +394,19 @@ namespace OpenSim.Region.Framework.Scenes
         /// asynchronously from the update loop.
         /// </summary>
         private bool m_cleaningTemps = false;
+        private bool m_sendingCoarseLocations = false; // same for async course locations sending
 
         /// <summary>
         /// Used to control main scene thread looping time when not updating via timer.
         /// </summary>
         private ManualResetEvent m_updateWaitEvent = new ManualResetEvent(false);
 
-        /// <summary>
-        /// Used to control maintenance thread runs.
-        /// </summary>
-        private ManualResetEvent m_maintenanceWaitEvent = new ManualResetEvent(false);
-
         // TODO: Possibly stop other classes being able to manipulate this directly.
         private SceneGraph m_sceneGraph;
         private readonly Timer m_restartTimer = new Timer(15000); // Wait before firing
         private volatile bool m_backingup;
         private Dictionary<UUID, ReturnInfo> m_returns = new Dictionary<UUID, ReturnInfo>();
-        private Dictionary<UUID, SceneObjectGroup> m_groupsWithTargets = new Dictionary<UUID, SceneObjectGroup>();
+        private Dictionary<UUID, int> m_groupsWithTargets = new Dictionary<UUID, int>();
 
         private string m_defaultScriptEngine;
 
@@ -492,6 +421,11 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         private int m_LastLogin;
 
+        private int m_lastIncoming;
+        private int m_lastOutgoing;
+        private int m_hbRestarts = 0;
+
+
         /// <summary>
         /// Thread that runs the scene loop.
         /// </summary>
@@ -510,7 +444,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// Is the scene active?
         /// </summary>
         /// <remarks>
-        /// If false, maintenance and update loops are not being run, though after setting to false update may still
+        /// If false, update loop is not being run, though after setting to false update may still
         /// be active for a period (and IsRunning will still be true).  Updates can still be triggered manually if
         /// the scene is not active.
         /// </remarks>
@@ -540,9 +474,21 @@ namespace OpenSim.Region.Framework.Scenes
         public bool IsRunning { get { return m_isRunning; } }
         private volatile bool m_isRunning;
 
+        private bool m_firstHeartbeat = true;
+
+//        private UpdatePrioritizationSchemes m_priorityScheme = UpdatePrioritizationSchemes.Time;
+//        private bool m_reprioritizationEnabled = true;
+//        private double m_reprioritizationInterval = 5000.0;
+//        private double m_rootReprioritizationDistance = 10.0;
+//        private double m_childReprioritizationDistance = 20.0;
+
+
         private Timer m_mapGenerationTimer = new Timer();
         private bool m_generateMaptiles;
 
+        protected int m_lastHealth = -1;
+        protected int m_lastUsers = -1;
+
         #endregion Fields
 
         #region Properties
@@ -571,6 +517,19 @@ namespace OpenSim.Region.Framework.Scenes
             get { return m_sceneGridService; }
         }
 
+        public ISnmpModule SnmpService
+        {
+            get
+            {
+                if (m_snmpService == null)
+                {
+                    m_snmpService = RequestModuleInterface<ISnmpModule>();
+                }
+
+                return m_snmpService;
+            }
+        }
+
         public ISimulationDataService SimulationDataService
         {
             get
@@ -777,22 +736,25 @@ namespace OpenSim.Region.Framework.Scenes
             get { return m_capsModule; }
         }
 
-        public int MonitorFrameTime { get { return frameMS; } }
-        public int MonitorPhysicsUpdateTime { get { return physicsMS; } }
-        public int MonitorPhysicsSyncTime { get { return physicsMS2; } }
-        public int MonitorOtherTime { get { return otherMS; } }
-        public int MonitorTempOnRezTime { get { return tempOnRezMS; } }
-        public int MonitorEventTime { get { return eventMS; } } // This may need to be divided into each event?
-        public int MonitorBackupTime { get { return backupMS; } }
-        public int MonitorTerrainTime { get { return terrainMS; } }
-        public int MonitorLandTime { get { return landMS; } }
+        public int MonitorFrameTime { get { return (int)frameMS; } }
+        public int MonitorPhysicsUpdateTime { get { return (int)physicsMS; } }
+        public int MonitorPhysicsSyncTime { get { return (int)physicsMS2; } }
+        public int MonitorOtherTime { get { return (int)otherMS; } }
+        public int MonitorTempOnRezTime { get { return (int)tempOnRezMS; } }
+        public int MonitorEventTime { get { return (int)eventMS; } } // This may need to be divided into each event?
+        public int MonitorBackupTime { get { return (int)backupMS; } }
+        public int MonitorTerrainTime { get { return (int)terrainMS; } }
+        public int MonitorLandTime { get { return (int)landMS; } }
         public int MonitorLastFrameTick { get { return m_lastFrameTick; } }
 
         public UpdatePrioritizationSchemes UpdatePrioritizationScheme { get; set; }
         public bool IsReprioritizationEnabled { get; set; }
-        public double ReprioritizationInterval { get; set; }
-        public double RootReprioritizationDistance { get; set; }
-        public double ChildReprioritizationDistance { get; set; }
+        public float ReprioritizationInterval { get; set; }
+        public float ReprioritizationDistance { get; set; }
+        private float m_minReprioritizationDistance = 32f;
+        public bool ObjectsCullingByDistance = false;
+
+        private ExpiringCache<UUID, UUID> TeleportTargetsCoolDown = new ExpiringCache<UUID, UUID>();
 
         public AgentCircuitManager AuthenticateHandler
         {
@@ -857,17 +819,16 @@ namespace OpenSim.Region.Framework.Scenes
 
         #region Constructors
 
-        public Scene(RegionInfo regInfo, AgentCircuitManager authen, 
+        public Scene(RegionInfo regInfo, AgentCircuitManager authen,
                      ISimulationDataService simDataService, IEstateDataService estateDataService,
                      IConfigSource config, string simulatorVersion)
             : this(regInfo)
         {
             m_config = config;
-            MinFrameTicks = 89;
+            FrameTime = 0.0908f;
             FrameTimeWarnPercent = 60;
             FrameTimeCritPercent = 40;
-                        Normalized55FPS = true;
-            MinMaintenanceTicks = 1000;
+            Normalized55FPS = true;
             SeeIntoRegion = true;
 
             Random random = new Random();
@@ -878,6 +839,9 @@ namespace OpenSim.Region.Framework.Scenes
             m_SimulationDataService = simDataService;
             m_EstateDataService = estateDataService;
 
+            m_lastIncoming = 0;
+            m_lastOutgoing = 0;
+
             m_asyncSceneObjectDeleter = new AsyncSceneObjectGroupDeleter(this);
             m_asyncSceneObjectDeleter.Enabled = true;
 
@@ -935,9 +899,9 @@ namespace OpenSim.Region.Framework.Scenes
             EventManager.OnLandObjectRemoved +=
                 new EventManager.LandObjectRemoved(simDataService.RemoveLandObject);
 
-            RegisterDefaultSceneEvents();
+             RegisterDefaultSceneEvents();
 
-            // XXX: Don't set the public property since we don't want to activate here.  This needs to be handled 
+            // XXX: Don't set the public property since we don't want to activate here.  This needs to be handled
             // better in the future.
             m_scripts_enabled = !RegionInfo.RegionSettings.DisableScripts;
 
@@ -956,6 +920,18 @@ namespace OpenSim.Region.Framework.Scenes
                 StartDisabled = startupConfig.GetBoolean("StartDisabled", false);
 
                 m_defaultDrawDistance = startupConfig.GetFloat("DefaultDrawDistance", m_defaultDrawDistance);
+                m_maxDrawDistance = startupConfig.GetFloat("MaxDrawDistance", m_maxDrawDistance);
+                m_maxRegionViewDistance = startupConfig.GetFloat("MaxRegionsViewDistance", m_maxRegionViewDistance);
+
+                // old versions compatibility
+                LegacySitOffsets = startupConfig.GetBoolean("LegacySitOffsets", LegacySitOffsets);
+
+                if (m_defaultDrawDistance > m_maxDrawDistance)
+                    m_defaultDrawDistance = m_maxDrawDistance;
+
+                if (m_maxRegionViewDistance > m_maxDrawDistance)
+                    m_maxRegionViewDistance = m_maxDrawDistance;
+
                 UseBackup = startupConfig.GetBoolean("UseSceneBackup", UseBackup);
                 if (!UseBackup)
                     m_log.InfoFormat("[SCENE]: Backup has been disabled for {0}", RegionInfo.RegionName);
@@ -967,9 +943,8 @@ namespace OpenSim.Region.Framework.Scenes
 
                 MaxUndoCount = startupConfig.GetInt("MaxPrimUndos", 20);
 
-                PhysicalPrims = startupConfig.GetBoolean("physical_prim", PhysicalPrims);
-                CollidablePrims = startupConfig.GetBoolean("collidable_prim", CollidablePrims);
-
+                PhysicalPrims = startupConfig.GetBoolean("physical_prim", true);
+                CollidablePrims = startupConfig.GetBoolean("collidable_prim", true);
                 m_minNonphys = startupConfig.GetFloat("NonPhysicalPrimMin", m_minNonphys);
                 if (RegionInfo.NonphysPrimMin > 0)
                 {
@@ -989,11 +964,24 @@ namespace OpenSim.Region.Framework.Scenes
                 }
 
                 m_maxPhys = startupConfig.GetFloat("PhysicalPrimMax", m_maxPhys);
+
                 if (RegionInfo.PhysPrimMax > 0)
                 {
                     m_maxPhys = RegionInfo.PhysPrimMax;
                 }
 
+                m_linksetCapacity = startupConfig.GetInt("LinksetPrims", m_linksetCapacity);
+                if (RegionInfo.LinksetCapacity > 0)
+                {
+                    m_linksetCapacity = RegionInfo.LinksetCapacity;
+                }
+
+                m_linksetPhysCapacity = startupConfig.GetInt("LinksetPhysPrims", m_linksetPhysCapacity);
+
+
+                SpawnPointRouting = startupConfig.GetString("SpawnPointRouting", "closest");
+                TelehubAllowLandmarks = startupConfig.GetBoolean("TelehubAllowLandmark", false);
+
                 // Here, if clamping is requested in either global or
                 // local config, it will be used
                 //
@@ -1003,13 +991,9 @@ namespace OpenSim.Region.Framework.Scenes
                     m_clampPrimSize = true;
                 }
 
-                m_linksetCapacity = startupConfig.GetInt("LinksetPrims", m_linksetCapacity);
-                if (RegionInfo.LinksetCapacity > 0)
-                {
-                    m_linksetCapacity = RegionInfo.LinksetCapacity;
-                }
+                m_clampNegativeZ = startupConfig.GetBoolean("ClampNegativeZ", m_clampNegativeZ);
 
-                m_useTrashOnDelete = startupConfig.GetBoolean("UseTrashOnDelete", m_useTrashOnDelete);
+                m_useTrashOnDelete = startupConfig.GetBoolean("UseTrashOnDelete",m_useTrashOnDelete);
                 m_trustBinaries = startupConfig.GetBoolean("TrustBinaries", m_trustBinaries);
                 m_allowScriptCrossings = startupConfig.GetBoolean("AllowScriptCrossing", m_allowScriptCrossings);
                 m_dontPersistBefore =
@@ -1020,11 +1004,10 @@ namespace OpenSim.Region.Framework.Scenes
                 m_persistAfter *= 10000000;
 
                 m_defaultScriptEngine = startupConfig.GetString("DefaultScriptEngine", "XEngine");
-
-                SpawnPointRouting = startupConfig.GetString("SpawnPointRouting", "closest");
-                TelehubAllowLandmarks = startupConfig.GetBoolean("TelehubAllowLandmark", false);
+                m_log.InfoFormat("[SCENE]: Default script engine {0}", m_defaultScriptEngine);
 
                 m_strictAccessControl = startupConfig.GetBoolean("StrictAccessControl", m_strictAccessControl);
+                m_seeIntoBannedRegion = startupConfig.GetBoolean("SeeIntoBannedRegion", m_seeIntoBannedRegion);
 
                 string[] possibleMapConfigSections = new string[] { "Map", "Startup" };
 
@@ -1070,7 +1053,7 @@ namespace OpenSim.Region.Framework.Scenes
 
                 if (grant.Length > 0)
                 {
-                    foreach (string viewer in grant.Split('|'))
+                    foreach (string viewer in grant.Split(','))
                     {
                         m_AllowedViewers.Add(viewer.Trim().ToLower());
                     }
@@ -1086,17 +1069,16 @@ namespace OpenSim.Region.Framework.Scenes
 
                 if (grant.Length > 0)
                 {
-                    foreach (string viewer in grant.Split('|'))
+                    foreach (string viewer in grant.Split(','))
                     {
                         m_BannedViewers.Add(viewer.Trim().ToLower());
                     }
                 }
 
-                if (startupConfig.Contains("MinFrameTime"))
-                    MinFrameTicks = (int)(startupConfig.GetFloat("MinFrameTime") * 1000);
+                FrameTime                 = startupConfig.GetFloat( "FrameTime", FrameTime);
                 FrameTimeWarnPercent      = startupConfig.GetInt( "FrameTimeWarnPercent", FrameTimeWarnPercent);
                 FrameTimeCritPercent      = startupConfig.GetInt( "FrameTimeCritPercent", FrameTimeCritPercent);
-                                Normalized55FPS           = startupConfig.GetBoolean( "Normalized55FPS", Normalized55FPS);
+                Normalized55FPS           = startupConfig.GetBoolean( "Normalized55FPS", Normalized55FPS);
 
                 m_update_backup           = startupConfig.GetInt("UpdateStorageEveryNFrames",         m_update_backup);
                 m_update_coarse_locations = startupConfig.GetInt("UpdateCoarseLocationsEveryNFrames", m_update_coarse_locations);
@@ -1108,21 +1090,6 @@ namespace OpenSim.Region.Framework.Scenes
                 m_update_terrain          = startupConfig.GetInt("UpdateTerrainEveryNFrames",         m_update_terrain);
                 m_update_temp_cleaning    = startupConfig.GetInt("UpdateTempCleaningEveryNSeconds",   m_update_temp_cleaning);
 
-                if (startupConfig.Contains("ShouldUseFireAndForgetForCollisions"))
-                {
-                    ShouldUseFireAndForgetForCollisions = startupConfig.GetBoolean("ShouldUseFireAndForgetForCollisions", false);
-                }
-            }
-
-
-            // FIXME: Ultimately this should be in a module.
-            SendPeriodicAppearanceUpdates = false;
-
-            IConfig appearanceConfig = m_config.Configs["Appearance"];
-            if (appearanceConfig != null)
-            {
-                SendPeriodicAppearanceUpdates
-                    = appearanceConfig.GetBoolean("ResendAppearanceUpdates", SendPeriodicAppearanceUpdates);
             }
 
             #endregion Region Config
@@ -1131,6 +1098,7 @@ namespace OpenSim.Region.Framework.Scenes
             if (entityTransferConfig != null)
             {
                 AllowAvatarCrossing = entityTransferConfig.GetBoolean("AllowAvatarCrossing", AllowAvatarCrossing);
+                DisableObjectTransfer = entityTransferConfig.GetBoolean("DisableObjectTransfer", false);
             }
 
             #region Interest Management
@@ -1153,60 +1121,51 @@ namespace OpenSim.Region.Framework.Scenes
                 IsReprioritizationEnabled
                     = interestConfig.GetBoolean("ReprioritizationEnabled", IsReprioritizationEnabled);
                 ReprioritizationInterval
-                    = interestConfig.GetDouble("ReprioritizationInterval", ReprioritizationInterval);
-                RootReprioritizationDistance
-                    = interestConfig.GetDouble("RootReprioritizationDistance", RootReprioritizationDistance);
-                ChildReprioritizationDistance
-                    = interestConfig.GetDouble("ChildReprioritizationDistance", ChildReprioritizationDistance);
+                    = interestConfig.GetFloat("ReprioritizationInterval", ReprioritizationInterval);
+                ReprioritizationDistance
+                    = interestConfig.GetFloat("RootReprioritizationDistance", ReprioritizationDistance);
 
-                RootTerseUpdatePeriod = interestConfig.GetInt("RootTerseUpdatePeriod", RootTerseUpdatePeriod);
-                ChildTerseUpdatePeriod = interestConfig.GetInt("ChildTerseUpdatePeriod", ChildTerseUpdatePeriod);
+                if(ReprioritizationDistance < m_minReprioritizationDistance)
+                    ReprioritizationDistance = m_minReprioritizationDistance;
+
+                ObjectsCullingByDistance
+                    = interestConfig.GetBoolean("ObjectsCullingByDistance", ObjectsCullingByDistance);
 
-                RootPositionUpdateTolerance
-                    = interestConfig.GetFloat("RootPositionUpdateTolerance", RootPositionUpdateTolerance);
-                RootRotationUpdateTolerance
-                    = interestConfig.GetFloat("RootRotationUpdateTolerance", RootRotationUpdateTolerance);
-                RootVelocityUpdateTolerance
-                    = interestConfig.GetFloat("RootVelocityUpdateTolerance", RootVelocityUpdateTolerance);
             }
 
             m_log.DebugFormat("[SCENE]: Using the {0} prioritization scheme", UpdatePrioritizationScheme);
 
             #endregion Interest Management
 
-            // The timer used by the Stopwatch class depends on the system hardware and operating system; inform
-            // if the timer is based on a high-resolution performance counter or based on the system timer;
-            // the performance counter will provide a more precise time than the system timer
-            if (Stopwatch.IsHighResolution)
-                m_log.InfoFormat("[SCENE]: Using high-resolution performance counter for statistics.");
-            else
-                m_log.InfoFormat("[SCENE]: Using system timer for statistics.");
+            StatsReporter = new SimStatsReporter(this);
 
-            // Acquire the statistics section of the OpenSim.ini file located
-            // in the bin directory
-            IConfig statisticsConfig = m_config.Configs["Statistics"];
+            StatsReporter.OnSendStatsResult += SendSimStatsPackets;
+            StatsReporter.OnStatsIncorrect += m_sceneGraph.RecalculateStats;
 
-            // Confirm that the statistics section existed in the configuration
-            // file
-            if (statisticsConfig != null)
-            {
-                // Create the StatsReporter using the number of frames to store
-                // for the frame time statistics, or 10 frames if the config
-                // file doesn't contain a value
-                StatsReporter = new SimStatsReporter(this,
-                    statisticsConfig.GetInt("NumberOfFrames", 
-                    m_defaultNumberFramesStored));
-            }
-            else
+            IConfig restartConfig = config.Configs["RestartModule"];
+            if (restartConfig != null)
             {
-                // Create a StatsReporter with the current scene and a default
-                // 10 frames stored for the frame time statistics
-                StatsReporter = new SimStatsReporter(this);
-            }
+                string markerPath = restartConfig.GetString("MarkerPath", String.Empty);
 
-            StatsReporter.OnSendStatsResult += SendSimStatsPackets;
-            StatsReporter.OnStatsIncorrect += m_sceneGraph.RecalculateStats;
+                if (markerPath != String.Empty)
+                {
+                    string path = Path.Combine(markerPath, RegionInfo.RegionID.ToString() + ".started");
+                    try
+                    {
+                        string pidstring = System.Diagnostics.Process.GetCurrentProcess().Id.ToString();
+                        FileStream fs = File.Create(path);
+                        System.Text.ASCIIEncoding enc = new System.Text.ASCIIEncoding();
+                        Byte[] buf = enc.GetBytes(pidstring);
+                        fs.Write(buf, 0, buf.Length);
+                        fs.Close();
+                    }
+                    catch (Exception)
+                    {
+                    }
+                }
+            }
 
+            StartTimerWatchdog();
         }
 
         public Scene(RegionInfo regInfo)
@@ -1240,15 +1199,12 @@ namespace OpenSim.Region.Framework.Scenes
             UpdatePrioritizationScheme = UpdatePrioritizationSchemes.Time;
             ReprioritizationInterval = 5000;
 
-            RootRotationUpdateTolerance = 0.1f;
-            RootVelocityUpdateTolerance = 0.001f;
-            RootPositionUpdateTolerance = 0.05f;
-            RootReprioritizationDistance = 10.0;
-            ChildReprioritizationDistance = 20.0;
+            ReprioritizationDistance = m_minReprioritizationDistance;
 
             m_eventManager = new EventManager();
 
             m_permissions = new ScenePermissions(this);
+
         }
 
         #endregion
@@ -1285,7 +1241,6 @@ namespace OpenSim.Region.Framework.Scenes
                 if (!fm.TryGetFeature("OpenSimExtras", out openSimExtras))
                     openSimExtras = new OSDMap();
 
-                float FrameTime = MinFrameTicks / 1000.0f;
                 float statisticsFPSfactor = 1.0f;
                 if(Normalized55FPS)
                     statisticsFPSfactor = 55.0f * FrameTime;
@@ -1302,7 +1257,7 @@ namespace OpenSim.Region.Framework.Scenes
 
         protected virtual void RegisterDefaultSceneEvents()
         {
-            m_eventManager.OnSignificantClientMovement += HandleOnSignificantClientMovement;
+//            m_eventManager.OnSignificantClientMovement += HandleOnSignificantClientMovement;
         }
 
         public override string GetSimulatorVersion()
@@ -1325,20 +1280,8 @@ namespace OpenSim.Region.Framework.Scenes
         {
             if (RegionInfo.RegionHandle != otherRegion.RegionHandle)
             {
-                //// If these are cast to INT because long + negative values + abs returns invalid data
-                //int resultX = Math.Abs((int)xcell - (int)RegionInfo.RegionLocX);
-                //int resultY = Math.Abs((int)ycell - (int)RegionInfo.RegionLocY);
-                //if (resultX <= 1 && resultY <= 1)
-                float dist = (float)Math.Max(DefaultDrawDistance,
-                             (float)Math.Max(RegionInfo.RegionSizeX, RegionInfo.RegionSizeY));
-                uint newRegionX, newRegionY, thisRegionX, thisRegionY;
-                Util.RegionHandleToRegionLoc(otherRegion.RegionHandle, out newRegionX, out newRegionY);
-                Util.RegionHandleToRegionLoc(RegionInfo.RegionHandle, out thisRegionX, out thisRegionY);
 
-                //m_log.InfoFormat("[SCENE]: (on region {0}): Region {1} up in coords {2}-{3}",
-                //    RegionInfo.RegionName, otherRegion.RegionName, newRegionX, newRegionY);
-
-                if (!Util.IsOutsideView(dist, thisRegionX, newRegionX, thisRegionY, newRegionY))
+                if (isNeighborRegion(otherRegion))
                 {
                     // Let the grid service module know, so this can be cached
                     m_eventManager.TriggerOnRegionUp(otherRegion);
@@ -1373,6 +1316,21 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
+        public bool isNeighborRegion(GridRegion otherRegion)
+        {
+            int tmp = otherRegion.RegionLocX - (int)RegionInfo.WorldLocX; ;
+
+            if (tmp < -otherRegion.RegionSizeX && tmp > RegionInfo.RegionSizeX)
+                return false;
+
+            tmp = otherRegion.RegionLocY - (int)RegionInfo.WorldLocY;
+
+            if (tmp < -otherRegion.RegionSizeY && tmp > RegionInfo.RegionSizeY)
+                return false;
+
+            return true;
+        }
+
         public void AddNeighborRegion(RegionInfo region)
         {
             lock (m_neighbours)
@@ -1475,13 +1433,24 @@ namespace OpenSim.Region.Framework.Scenes
                 return;
             }
 
+            IEtcdModule etcd = RequestModuleInterface<IEtcdModule>();
+            if (etcd != null)
+            {
+                etcd.Delete("Health");
+                etcd.Delete("HealthFlags");
+                etcd.Delete("RootAgents");
+            }
+
             m_log.InfoFormat("[SCENE]: Closing down the single simulator: {0}", RegionInfo.RegionName);
 
-            StatsReporter.Close();
 
+            StatsReporter.Close();
             m_restartTimer.Stop();
             m_restartTimer.Close();
 
+            if (!GridService.DeregisterRegion(RegionInfo.RegionID))
+                m_log.WarnFormat("[SCENE]: Deregister from grid failed for region {0}", Name);
+
             // Kick all ROOT agents with the message, 'The simulator is going down'
             ForEachScenePresence(delegate(ScenePresence avatar)
             {
@@ -1504,13 +1473,15 @@ namespace OpenSim.Region.Framework.Scenes
             // Stop all client threads.
             ForEachScenePresence(delegate(ScenePresence avatar) { CloseAgent(avatar.UUID, false); });
 
-            m_log.Debug("[SCENE]: Persisting changed objects");
+            m_log.Debug("[SCENE]: TriggerSceneShuttingDown");
             EventManager.TriggerSceneShuttingDown(this);
-            Backup(false);
-            m_sceneGraph.Close();
 
-            if (!GridService.DeregisterRegion(RegionInfo.RegionID))
-                m_log.WarnFormat("[SCENE]: Deregister from grid failed for region {0}", Name);
+            m_log.Debug("[SCENE]: Persisting changed objects");
+            Backup(true);
+
+            m_log.Debug("[SCENE]: Closing scene");
+
+            m_sceneGraph.Close();
 
             base.Close();
 
@@ -1519,6 +1490,7 @@ namespace OpenSim.Region.Framework.Scenes
             // attempt to reference a null or disposed physics scene.
             if (PhysicsScene != null)
             {
+                m_log.Debug("[SCENE]: Dispose Physics");
                 PhysicsScene phys = PhysicsScene;
                 // remove the physics engine from both Scene and SceneGraph
                 PhysicsScene = null;
@@ -1537,7 +1509,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         /// <param name='startScripts'>
         /// Start the scripts within the scene.
-        /// </param> 
+        /// </param>
         public void Start(bool startScripts)
         {
             if (IsRunning)
@@ -1550,10 +1522,31 @@ namespace OpenSim.Region.Framework.Scenes
 //            m_log.DebugFormat("[SCENE]: Starting Heartbeat timer for {0}", RegionInfo.RegionName);
             if (m_heartbeatThread != null)
             {
+                m_hbRestarts++;
+                if(m_hbRestarts > 10)
+                    Environment.Exit(1);
+                m_log.ErrorFormat("[SCENE]: Restarting heartbeat thread because it hasn't reported in in region {0}", RegionInfo.RegionName);
+
+//int pid = System.Diagnostics.Process.GetCurrentProcess().Id;
+//System.Diagnostics.Process proc = new System.Diagnostics.Process();
+//proc.EnableRaisingEvents=false;
+//proc.StartInfo.FileName = "/bin/kill";
+//proc.StartInfo.Arguments = "-QUIT " + pid.ToString();
+//proc.Start();
+//proc.WaitForExit();
+//Thread.Sleep(1000);
+//Environment.Exit(1);
                 m_heartbeatThread.Abort();
+                Watchdog.AbortThread(m_heartbeatThread.ManagedThreadId);
                 m_heartbeatThread = null;
             }
 
+            GC.Collect();
+            GC.WaitForPendingFinalizers();
+            GC.Collect();
+            // tell physics to finish building actor
+            m_sceneGraph.ProcessPhysicsPreSimulation();
+
             m_heartbeatThread
                 = WorkManager.StartThread(
                     Heartbeat, string.Format("Heartbeat-({0})", RegionInfo.RegionName.Replace(" ", "_")), ThreadPriority.Normal, false, false);
@@ -1596,136 +1589,13 @@ namespace OpenSim.Region.Framework.Scenes
             // alarms for scenes with many objects.
             Update(1);
 
-            WorkManager.StartThread(
-                Maintenance, string.Format("Maintenance ({0})", RegionInfo.RegionName), ThreadPriority.Normal, false, true);
-
             Watchdog.GetCurrentThreadInfo().AlarmIfTimeout = true;
             m_lastFrameTick = Util.EnvironmentTickCount();
-
-            if (UpdateOnTimer)
-            {
-                m_sceneUpdateTimer = new Timer(MinFrameTicks);
-                m_sceneUpdateTimer.AutoReset = true;
-                m_sceneUpdateTimer.Elapsed += Update;
-                m_sceneUpdateTimer.Start();
-            }
-            else
-            {
-                Thread.CurrentThread.Priority = ThreadPriority.Highest;
-                Update(-1);
-                Watchdog.RemoveThread();
-                m_isRunning = false;
-            }
-        }
-
-        private volatile bool m_isTimerUpdateRunning;
-
-        private void Update(object sender, ElapsedEventArgs e)
-        {
-            if (m_isTimerUpdateRunning)
-                return;
-
-            m_isTimerUpdateRunning = true;
-
-            // If the last frame did not complete on time, then immediately start the next update on the same thread
-            // and ignore further timed updates until we have a frame that had spare time.
-            while (!Update(1) && Active) { }
-
-            if (!Active || m_shuttingDown)
-            {
-                m_sceneUpdateTimer.Stop();
-                m_sceneUpdateTimer = null;
-                m_isRunning = false;
-            }
-
-            m_isTimerUpdateRunning = false;
-        }
-
-        private void Maintenance()
-        {
-            DoMaintenance(-1);
-
+            Update(-1);
             Watchdog.RemoveThread();
         }
 
-        public void DoMaintenance(int runs)
-        {
-            long? endRun = null;
-            int runtc, tmpMS;
-            int previousMaintenanceTick;
-
-            if (runs >= 0)
-                endRun = MaintenanceRun + runs;
-
-            List<Vector3> coarseLocations;
-            List<UUID> avatarUUIDs;
-
-            while (!m_shuttingDown && ((endRun == null && Active) || MaintenanceRun < endRun))
-            {
-                runtc = Util.EnvironmentTickCount();
-                ++MaintenanceRun;
-
-                // m_log.DebugFormat("[SCENE]: Maintenance run {0} in {1}", MaintenanceRun, Name);
-
-                // Coarse locations relate to positions of green dots on the mini-map (on a SecondLife client)
-                if (MaintenanceRun % (m_update_coarse_locations / 10) == 0)
-                {
-                    SceneGraph.GetCoarseLocations(out coarseLocations, out avatarUUIDs, 60);
-                    // Send coarse locations to clients
-                    ForEachScenePresence(delegate(ScenePresence presence)
-                    {
-                        presence.SendCoarseLocations(coarseLocations, avatarUUIDs);
-                    });
-                }
-
-                if (SendPeriodicAppearanceUpdates && MaintenanceRun % 60 == 0)
-                {
-                    // m_log.DebugFormat("[SCENE]: Sending periodic appearance updates");
-
-                    if (AvatarFactory != null)
-                    {
-                        ForEachRootScenePresence(sp => AvatarFactory.SendAppearance(sp.UUID));
-                    }
-                }
-
-                // Delete temp-on-rez stuff
-                if (MaintenanceRun % m_update_temp_cleaning == 0 && !m_cleaningTemps)
-                {
-                    // m_log.DebugFormat("[SCENE]: Running temp-on-rez cleaning in {0}", Name);
-                    tmpMS = Util.EnvironmentTickCount();
-                    m_cleaningTemps = true;
-
-                    WorkManager.RunInThread(
-                        delegate { CleanTempObjects(); m_cleaningTemps = false; },
-                        null,
-                        string.Format("CleanTempObjects ({0})", Name));
-
-                    tempOnRezMS = Util.EnvironmentTickCountSubtract(tmpMS);
-                }
-
-                Watchdog.UpdateThread();
-
-                previousMaintenanceTick = m_lastMaintenanceTick;
-                m_lastMaintenanceTick = Util.EnvironmentTickCount();
-                runtc = Util.EnvironmentTickCountSubtract(m_lastMaintenanceTick, runtc);
-                runtc = MinMaintenanceTicks - runtc;
-
-                if (runtc > 0)
-                    m_maintenanceWaitEvent.WaitOne(runtc);
-
-                // Optionally warn if a frame takes double the amount of time that it should.
-                if (DebugUpdates
-                    && Util.EnvironmentTickCountSubtract(
-                        m_lastMaintenanceTick, previousMaintenanceTick) > MinMaintenanceTicks * 2)
-                    m_log.WarnFormat(
-                        "[SCENE]: Maintenance took {0} ms (desired max {1} ms) in {2}",
-                        Util.EnvironmentTickCountSubtract(m_lastMaintenanceTick, previousMaintenanceTick),
-                        MinMaintenanceTicks,
-                        RegionInfo.RegionName);
-            }
-        }
-
-        public override bool Update(int frames)
+        public override void Update(int frames)
         {
             long? endFrame = null;
 
@@ -1733,119 +1603,97 @@ namespace OpenSim.Region.Framework.Scenes
                 endFrame = Frame + frames;
 
             float physicsFPS = 0f;
-            int previousFrameTick, tmpMS;
-
-            // These variables will be used to save the precise frame time using the
-            // Stopwatch class of Microsoft SDK; the times are recorded at the start
-            // and end of a particular section of code, and then used to calculate
-            // the frame times, which are the sums of the sections for each given name
-            double preciseTotalFrameTime = 0.0;
-            double preciseSimFrameTime = 0.0;
-            double precisePhysicsFrameTime = 0.0;
-            Stopwatch totalFrameStopwatch = new Stopwatch();
-            Stopwatch simFrameStopwatch = new Stopwatch();
-            Stopwatch physicsFrameStopwatch = new Stopwatch();
-
-            // Begin the stopwatch to keep track of the time that the frame
-            // started running to determine how long the frame took to complete
-            totalFrameStopwatch.Start();
+            float frameTimeMS = FrameTime * 1000.0f;
+
+            int previousFrameTick;
+
+            double tmpMS;
+            double tmpMS2;
+            double framestart;
+            float sleepMS;
+            float sleepError = 0;
 
             while (!m_shuttingDown && ((endFrame == null && Active) || Frame < endFrame))
             {
+                framestart = Util.GetTimeStampMS();
                 ++Frame;
 
                 // m_log.DebugFormat("[SCENE]: Processing frame {0} in {1}", Frame, RegionInfo.RegionName);
 
-                agentMS = eventMS = backupMS = terrainMS = landMS = spareMS = 0;
+                agentMS = tempOnRezMS = eventMS = backupMS = terrainMS = landMS = 0f;
 
                 try
                 {
                     EventManager.TriggerRegionHeartbeatStart(this);
 
                     // Apply taints in terrain module to terrain in physics scene
+
+                    tmpMS = Util.GetTimeStampMS();
+
+                    if (Frame % 4 == 0)
+                    {
+                        CheckTerrainUpdates();
+                    }
+
                     if (Frame % m_update_terrain == 0)
                     {
-                        // At several points inside the code there was a need to
-                        // create a more precise measurement of time elapsed. 
-                        // This led to the addition of variables that have a 
-                        // similar function and thus remain tightly connected to 
-                        // their original counterparts. However, the original 
-                        // code is not receiving comments from our group because 
-                        // we don't feel right modifying the code to that degree 
-                        // at this point in time, the precise values all begin 
-                        // with the keyword precise
-                        tmpMS = Util.EnvironmentTickCount();
-                        simFrameStopwatch.Start();
                         UpdateTerrain();
-
-                        // Get the simulation frame time that the avatar force 
-                        // input took
-                        simFrameStopwatch.Stop();
-                        preciseSimFrameTime =
-                            simFrameStopwatch.Elapsed.TotalMilliseconds;
-                        terrainMS = Util.EnvironmentTickCountSubtract(tmpMS);
                     }
 
-                    // At several points inside the code there was a need to
-                    // create a more precise measurement of time elapsed. This
-                    // led to the addition of variables that have a similar
-                    // function and thus remain tightly connected to their
-                    // original counterparts. However, the original code is
-                    // not receiving comments from our group because we don't
-                    // feel right modifying the code to that degree at this
-                    // point in time, the precise values all begin with the
-                    // keyword precise
-
-                    tmpMS = Util.EnvironmentTickCount();
+                    tmpMS2 = Util.GetTimeStampMS();
+                    terrainMS = (float)(tmpMS2 - tmpMS);
+                    tmpMS = tmpMS2;
 
-                    // Begin the stopwatch to track the time to prepare physics
-                    physicsFrameStopwatch.Start();
                     if (PhysicsEnabled && Frame % m_update_physics == 0)
                         m_sceneGraph.UpdatePreparePhysics();
 
-                    // Get the time it took to prepare the physics, this
-                    // would report the most precise time that physics was
-                    // running on the machine and should the physics not be
-                    // enabled will report the time it took to check if physics
-                    // was enabled
-                    physicsFrameStopwatch.Stop();
-                    precisePhysicsFrameTime = physicsFrameStopwatch.Elapsed.TotalMilliseconds;
-                    physicsMS2 = Util.EnvironmentTickCountSubtract(tmpMS);
+                    tmpMS2 = Util.GetTimeStampMS();
+                    physicsMS2 = (float)(tmpMS2 - tmpMS);
+                    tmpMS = tmpMS2;
 
+/*
                     // Apply any pending avatar force input to the avatar's velocity
-                    tmpMS = Util.EnvironmentTickCount();
-                    simFrameStopwatch.Restart();
                     if (Frame % m_update_entitymovement == 0)
                         m_sceneGraph.UpdateScenePresenceMovement();
+*/
+                    if (Frame % (m_update_coarse_locations) == 0 && !m_sendingCoarseLocations)
+                    {
+                        m_sendingCoarseLocations = true;
+                        WorkManager.RunInThreadPool(
+                            delegate
+                            {
+                                List<Vector3> coarseLocations;
+                                List<UUID> avatarUUIDs;
+                                SceneGraph.GetCoarseLocations(out coarseLocations, out avatarUUIDs, 60);
+                                // Send coarse locations to clients
+                                ForEachScenePresence(delegate(ScenePresence presence)
+                                {
+                                    presence.SendCoarseLocations(coarseLocations, avatarUUIDs);
+                                });
+                                m_sendingCoarseLocations = false; 
+                            }, null, string.Format("SendCoarseLocations ({0})", Name));
+                    }
 
-                    // Get the simulation frame time that the avatar force input 
+                    // Get the simulation frame time that the avatar force input
                     // took
-                    simFrameStopwatch.Stop();
-                    preciseSimFrameTime +=
-                        simFrameStopwatch.Elapsed.TotalMilliseconds;
-                    agentMS = Util.EnvironmentTickCountSubtract(tmpMS);
+                    tmpMS2 = Util.GetTimeStampMS();
+                    agentMS = (float)(tmpMS2 - tmpMS);
+                    tmpMS = tmpMS2;
 
                     // Perform the main physics update.  This will do the actual work of moving objects and avatars according to their
                     // velocity
-                    tmpMS = Util.EnvironmentTickCount();
-                    physicsFrameStopwatch.Restart();
                     if (Frame % m_update_physics == 0)
                     {
                         if (PhysicsEnabled)
-                            physicsFPS = m_sceneGraph.UpdatePhysics(MinFrameSeconds);
+                            physicsFPS = m_sceneGraph.UpdatePhysics(FrameTime);
 
                         if (SynchronizeScene != null)
                             SynchronizeScene(this);
                     }
 
-                    // Add the main physics update time to the prepare physics time
-                    physicsFrameStopwatch.Stop();
-                    precisePhysicsFrameTime += physicsFrameStopwatch.Elapsed.TotalMilliseconds;
-                    physicsMS = Util.EnvironmentTickCountSubtract(tmpMS);
-
-                    // Start the stopwatch for the remainder of the simulation
-                    simFrameStopwatch.Restart();
-                    tmpMS = Util.EnvironmentTickCount();
+                    tmpMS2 = Util.GetTimeStampMS();
+                    physicsMS = (float)(tmpMS2 - tmpMS);
+                    tmpMS = tmpMS2;
 
                     // Check if any objects have reached their targets
                     CheckAtTargets();
@@ -1860,20 +1708,37 @@ namespace OpenSim.Region.Framework.Scenes
                     if (Frame % m_update_presences == 0)
                         m_sceneGraph.UpdatePresences();
 
-                    agentMS += Util.EnvironmentTickCountSubtract(tmpMS);
+                    tmpMS2 = Util.GetTimeStampMS();
+                    agentMS += (float)(tmpMS2 - tmpMS);
+                    tmpMS = tmpMS2;
+
+                    // Delete temp-on-rez stuff
+                    if (Frame % m_update_temp_cleaning == 0 && !m_cleaningTemps)
+                    {
+                        m_cleaningTemps = true;
+                        WorkManager.RunInThreadPool(
+                            delegate { CleanTempObjects(); m_cleaningTemps = false; }, null, string.Format("CleanTempObjects ({0})", Name));
+                        tmpMS2 = Util.GetTimeStampMS();
+                        tempOnRezMS = (float)(tmpMS2 - tmpMS); // bad.. counts the FireAndForget, not CleanTempObjects
+                        tmpMS = tmpMS2;
+                    }
 
                     if (Frame % m_update_events == 0)
                     {
-                        tmpMS = Util.EnvironmentTickCount();
                         UpdateEvents();
-                        eventMS = Util.EnvironmentTickCountSubtract(tmpMS);
+
+                        tmpMS2 = Util.GetTimeStampMS();
+                        eventMS = (float)(tmpMS2 - tmpMS);
+                        tmpMS = tmpMS2;
                     }
 
                     if (PeriodicBackup && Frame % m_update_backup == 0)
                     {
-                        tmpMS = Util.EnvironmentTickCount();
                         UpdateStorageBackup();
-                        backupMS = Util.EnvironmentTickCountSubtract(tmpMS);
+
+                        tmpMS2 = Util.GetTimeStampMS();
+                        backupMS = (float)(tmpMS2 - tmpMS);
+                        tmpMS = tmpMS2;
                     }
 
                     //if (Frame % m_update_land == 0)
@@ -1885,13 +1750,9 @@ namespace OpenSim.Region.Framework.Scenes
 
                     if (!LoginsEnabled && Frame == 20)
                     {
-                        // m_log.DebugFormat("{0} {1} {2}", LoginsDisabled, m_sceneGraph.GetActiveScriptsCount(), LoginLock);
-
-                        // In 99.9% of cases it is a bad idea to manually force garbage collection. However,
-                        // this is a rare case where we know we have just went through a long cycle of heap
-                        // allocations, and there is no more work to be done until someone logs in
                         GC.Collect();
-
+                        GC.WaitForPendingFinalizers();
+                        GC.Collect();
                         if (!LoginLock)
                         {
                             if (!StartDisabled)
@@ -1916,6 +1777,7 @@ namespace OpenSim.Region.Framework.Scenes
                                 // LoginLock can currently only be set by a region module implementation.
                                 // If somehow this hasn't been done then the quickest way to bugfix is to see the
                                 // NullReferenceException
+
                                 IRegionReadyModule rrm = RequestModuleInterface<IRegionReadyModule>();
                                 rrm.TriggerRegionReady(this);
                             }
@@ -1930,79 +1792,64 @@ namespace OpenSim.Region.Framework.Scenes
                 }
 
                 EventManager.TriggerRegionHeartbeatEnd(this);
-                otherMS = eventMS + backupMS + terrainMS + landMS;
+                m_firstHeartbeat = false;
+                Watchdog.UpdateThread();
 
-                // Get the elapsed time for the simulation frame
-                simFrameStopwatch.Stop();
-                preciseSimFrameTime +=
-                    simFrameStopwatch.Elapsed.TotalMilliseconds;
+                otherMS = tempOnRezMS + eventMS + backupMS + terrainMS + landMS;
 
-                if (!UpdateOnTimer)
-                {
-                    Watchdog.UpdateThread();
+                tmpMS = Util.GetTimeStampMS();
 
-                    spareMS = MinFrameTicks - Util.EnvironmentTickCountSubtract(m_lastFrameTick);
+                previousFrameTick = m_lastFrameTick;
+                m_lastFrameTick = (int)(tmpMS + 0.5);
 
-                    if (spareMS > 0)
-                        m_updateWaitEvent.WaitOne(spareMS);
-                    else
-                        spareMS = 0;
-                }
+                // estimate sleep time
+                tmpMS2 = tmpMS - framestart;
+                tmpMS2 = (double)frameTimeMS - tmpMS2 - sleepError;
+
+                // reuse frameMS as temporary
+                frameMS = (float)tmpMS2;
+
+                // sleep if we can
+                if (tmpMS2 > 0)
+                    {
+                    Thread.Sleep((int)(tmpMS2 + 0.5));
+
+                    tmpMS2 = Util.GetTimeStampMS();
+                    sleepMS = (float)(tmpMS2 - tmpMS);
+                    sleepError = sleepMS - frameMS;
+                    Util.Clamp(sleepError, 0.0f, 20f);
+                    frameMS = (float)(tmpMS2 - framestart);
+                    }
                 else
-                {
-                    spareMS = Math.Max(0, MinFrameTicks - physicsMS2 - agentMS - physicsMS - otherMS);
-                }
+                    {
+                    tmpMS2 = Util.GetTimeStampMS();
+                    frameMS = (float)(tmpMS2 - framestart);
+                    sleepMS = 0.0f;
+                    sleepError = 0.0f;
+                    }
 
-                // Get the total frame time
-                totalFrameStopwatch.Stop();
-                preciseTotalFrameTime =
-                    totalFrameStopwatch.Elapsed.TotalMilliseconds;
+                // script time is not scene frame time, but is displayed per frame
+                float scriptTimeMS = GetAndResetScriptExecutionTime();
+                StatsReporter.AddFrameStats(TimeDilation, physicsFPS, agentMS,
+                             physicsMS + physicsMS2, otherMS , sleepMS, frameMS, scriptTimeMS);
 
-                // Restart the stopwatch for the total time of the next frame
-                totalFrameStopwatch.Restart();
 
-                previousFrameTick = m_lastFrameTick;
-                frameMS = Util.EnvironmentTickCountSubtract(m_lastFrameTick);
-                m_lastFrameTick = Util.EnvironmentTickCount();
 
                 // if (Frame%m_update_avatars == 0)
                 //   UpdateInWorldTime();
-                StatsReporter.AddPhysicsFPS(physicsFPS);
-                StatsReporter.AddTimeDilation(TimeDilation);
-                StatsReporter.AddFPS(1);
-
-                StatsReporter.addFrameMS(frameMS);
-                StatsReporter.addAgentMS(agentMS);
-                StatsReporter.addPhysicsMS(physicsMS + physicsMS2);
-                StatsReporter.addOtherMS(otherMS);
-                StatsReporter.AddSpareMS(spareMS);
-                StatsReporter.addScriptLines(m_sceneGraph.GetScriptLPS());
-                StatsReporter.AddScriptMS((int) GetAndResetScriptExecutionTime());
-
-                // Send the correct time values to the stats reporter for the
-                // frame times
-                StatsReporter.addFrameTimeMilliseconds(preciseTotalFrameTime,
-                    preciseSimFrameTime, precisePhysicsFrameTime, 0.0);
-
-                // Send the correct number of frames that the physics library
-                // has processed to the stats reporter
-                StatsReporter.addPhysicsFrame(1);
-
-                // Optionally warn if a frame takes double the amount of time that it should.
+
+          // Optionally warn if a frame takes double the amount of time that it should.
                 if (DebugUpdates
                     && Util.EnvironmentTickCountSubtract(
-                        m_lastFrameTick, previousFrameTick) > MinFrameTicks * 2)
+                        m_lastFrameTick, previousFrameTick) > (int)(FrameTime * 1000 * 2))
+
                     m_log.WarnFormat(
                         "[SCENE]: Frame took {0} ms (desired max {1} ms) in {2}",
                         Util.EnvironmentTickCountSubtract(m_lastFrameTick, previousFrameTick),
-                        MinFrameTicks,
+                        FrameTime * 1000,
+
                         RegionInfo.RegionName);
             }
-
-            // Finished updating scene frame, so stop the total frame's Stopwatch
-            totalFrameStopwatch.Stop();
-
-            return spareMS >= 0;
         }
 
         /// <summary>
@@ -2011,24 +1858,28 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="ticks">Elapsed Stopwatch ticks</param>
         public void AddScriptExecutionTime(long ticks)
         {
+            StatsReporter.addScriptEvents(1);
             Interlocked.Add(ref m_scriptExecutionTime, ticks);
         }
 
         /// <summary>
-        /// Returns the total execution time of all the scripts in the region since the last frame
-        /// (in milliseconds), and clears the value in preparation for the next frame.
+        /// Returns the total execution time of all the scripts in the region since the last call
+        /// (in milliseconds), and clears the value in preparation for the next call.
         /// </summary>
         /// <returns>Time in milliseconds</returns>
-        private long GetAndResetScriptExecutionTime()
+
+        // Warning: this is now called from StatsReporter, and can't be shared
+
+        public long GetAndResetScriptExecutionTime()
         {
             long ticks = Interlocked.Exchange(ref m_scriptExecutionTime, 0);
-            return (ticks * 1000) / Stopwatch.Frequency;
+            return (ticks * 1000L) / Stopwatch.Frequency;
         }
 
         public void AddGroupTarget(SceneObjectGroup grp)
         {
             lock (m_groupsWithTargets)
-                m_groupsWithTargets[grp.UUID] = grp;
+                m_groupsWithTargets[grp.UUID] = 0;
         }
 
         public void RemoveGroupTarget(SceneObjectGroup grp)
@@ -2039,18 +1890,24 @@ namespace OpenSim.Region.Framework.Scenes
 
         private void CheckAtTargets()
         {
-            List<SceneObjectGroup> objs = null;
+            List<UUID> objs = null;
 
             lock (m_groupsWithTargets)
             {
                 if (m_groupsWithTargets.Count != 0)
-                    objs = new List<SceneObjectGroup>(m_groupsWithTargets.Values);
+                    objs = new List<UUID>(m_groupsWithTargets.Keys);
             }
 
             if (objs != null)
             {
-                foreach (SceneObjectGroup entry in objs)
-                    entry.checkAtTargets();
+                foreach (UUID entry in objs)
+                {
+                    SceneObjectGroup grp = GetSceneObjectGroup(entry);
+                    if (grp == null)
+                        m_groupsWithTargets.Remove(entry);
+                    else
+                        grp.checkAtTargets();
+                }
             }
         }
 
@@ -2074,6 +1931,11 @@ namespace OpenSim.Region.Framework.Scenes
             EventManager.TriggerTerrainTick();
         }
 
+        private void CheckTerrainUpdates()
+        {
+            EventManager.TriggerTerrainCheckUpdates();
+        }
+
         /// <summary>
         /// Back up queued up changes
         /// </summary>
@@ -2081,8 +1943,7 @@ namespace OpenSim.Region.Framework.Scenes
         {
             if (!m_backingup)
             {
-                m_backingup = true;
-                WorkManager.RunInThread(o => Backup(false), null, string.Format("BackupWaitCallback ({0})", Name));
+                WorkManager.RunInThreadPool(o => Backup(false), null, string.Format("BackupWorker ({0}", Name), false);
             }
         }
 
@@ -2110,38 +1971,58 @@ namespace OpenSim.Region.Framework.Scenes
         {
             lock (m_returns)
             {
-                EventManager.TriggerOnBackup(SimulationDataService, forced);
-                m_backingup = false;
+                if(m_backingup)
+                {
+                    m_log.WarnFormat("[Scene] Backup of {0} already running. New call skipped", RegionInfo.RegionName);
+                    return;
+                }
 
-                foreach (KeyValuePair<UUID, ReturnInfo> ret in m_returns)
+                m_backingup = true;
+                try
                 {
-                    UUID transaction = UUID.Random();
-
-                    GridInstantMessage msg = new GridInstantMessage();
-                    msg.fromAgentID = new Guid(UUID.Zero.ToString()); // From server
-                    msg.toAgentID = new Guid(ret.Key.ToString());
-                    msg.imSessionID = new Guid(transaction.ToString());
-                    msg.timestamp = (uint)Util.UnixTimeSinceEpoch();
-                    msg.fromAgentName = "Server";
-                    msg.dialog = (byte)19; // Object msg
-                    msg.fromGroup = false;
-                    msg.offline = (byte)0;
-                    msg.ParentEstateID = RegionInfo.EstateSettings.ParentEstateID;
-                    msg.Position = Vector3.Zero;
-                    msg.RegionID = RegionInfo.RegionID.Guid;
-
-                    // We must fill in a null-terminated 'empty' string here since bytes[0] will crash viewer 3.
-                    msg.binaryBucket = Util.StringToBytes256("\0");
-                    if (ret.Value.count > 1)
-                        msg.message = string.Format("Your {0} objects were returned from {1} in region {2} due to {3}", ret.Value.count, ret.Value.location.ToString(), RegionInfo.RegionName, ret.Value.reason);
-                    else
-                        msg.message = string.Format("Your object {0} was returned from {1} in region {2} due to {3}", ret.Value.objectName, ret.Value.location.ToString(), RegionInfo.RegionName, ret.Value.reason);
+                    EventManager.TriggerOnBackup(SimulationDataService, forced);
+
+                    if(m_returns.Count == 0)
+                        return;
 
                     IMessageTransferModule tr = RequestModuleInterface<IMessageTransferModule>();
-                    if (tr != null)
+                    if (tr == null)
+                        return;
+
+                    uint unixtime = (uint)Util.UnixTimeSinceEpoch();
+                    uint estateid =  RegionInfo.EstateSettings.ParentEstateID;
+                    Guid regionguid = RegionInfo.RegionID.Guid;
+ 
+                    foreach (KeyValuePair<UUID, ReturnInfo> ret in m_returns)
+                    {
+                        GridInstantMessage msg = new GridInstantMessage();
+                        msg.fromAgentID = Guid.Empty; // From server
+                        msg.toAgentID = ret.Key.Guid;
+                        msg.imSessionID = Guid.NewGuid();
+                        msg.timestamp = unixtime;
+                        msg.fromAgentName = "Server";
+                        msg.dialog = 19; // Object msg
+                        msg.fromGroup = false;
+                        msg.offline = 1;
+                        msg.ParentEstateID = estateid;
+                        msg.Position = Vector3.Zero;
+                        msg.RegionID = regionguid;
+
+                        // We must fill in a null-terminated 'empty' string here since bytes[0] will crash viewer 3.
+                        msg.binaryBucket = new Byte[1] {0};
+                        if (ret.Value.count > 1)
+                            msg.message = string.Format("Your {0} objects were returned from {1} in region {2} due to {3}", ret.Value.count, ret.Value.location.ToString(), RegionInfo.RegionName, ret.Value.reason);
+                        else
+                            msg.message = string.Format("Your object {0} was returned from {1} in region {2} due to {3}", ret.Value.objectName, ret.Value.location.ToString(), RegionInfo.RegionName, ret.Value.reason);
+
                         tr.SendInstantMessage(msg, delegate(bool success) { });
+                    }
+                    m_returns.Clear();
+                }
+                finally
+                {
+                    m_backingup = false;
                 }
-                m_returns.Clear();
             }
         }
 
@@ -2159,7 +2040,7 @@ namespace OpenSim.Region.Framework.Scenes
         }
 
         /// <summary>
-        /// Tell an agent that their object has been returned. 
+        /// Tell an agent that their object has been returned.
         /// </summary>
         /// <remarks>
         /// The actual return is handled by the caller.
@@ -2199,7 +2080,16 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         public void SaveTerrain()
         {
-            SimulationDataService.StoreTerrain(Heightmap.GetDoubles(), RegionInfo.RegionID);
+            SimulationDataService.StoreTerrain(Heightmap.GetTerrainData(), RegionInfo.RegionID);
+        }
+
+        /// <summary>
+        /// Store the terrain in the persistant data store
+        /// </summary>
+        public void SaveBakedTerrain()
+        {
+            if(Bakedmap != null)
+                SimulationDataService.StoreBakedTerrain(Bakedmap.GetTerrainData(), RegionInfo.RegionID);
         }
 
         public void StoreWindlightProfile(RegionLightShareData wl)
@@ -2222,20 +2112,44 @@ namespace OpenSim.Region.Framework.Scenes
         {
             try
             {
+                Bakedmap = null;
+                TerrainData map = SimulationDataService.LoadBakedTerrain(RegionInfo.RegionID, (int)RegionInfo.RegionSizeX, (int)RegionInfo.RegionSizeY, (int)RegionInfo.RegionSizeZ);
+                if (map != null)
+                {
+                    Bakedmap = new TerrainChannel(map);
+                }
+            }
+            catch (Exception e)
+            {
+                m_log.WarnFormat(
+                    "[TERRAIN]: Scene.cs: LoadWorldMap() baked terrain - Failed with exception {0}{1}", e.Message, e.StackTrace);
+            }
+
+            try
+            {
                 TerrainData map = SimulationDataService.LoadTerrain(RegionInfo.RegionID, (int)RegionInfo.RegionSizeX, (int)RegionInfo.RegionSizeY, (int)RegionInfo.RegionSizeZ);
                 if (map == null)
                 {
-                    // This should be in the Terrain module, but it isn't because
-                    // the heightmap is needed _way_ before the modules are initialized...
-                    IConfig terrainConfig = m_config.Configs["Terrain"];
-                    String m_InitialTerrain = "pinhead-island";
-                    if (terrainConfig != null)
-                        m_InitialTerrain = terrainConfig.GetString("InitialTerrain", m_InitialTerrain);
+                    if(Bakedmap != null)
+                    {
+                        m_log.Warn("[TERRAIN]: terrain not found. Used stored baked terrain.");
+                        Heightmap = Bakedmap.MakeCopy();
+                        SimulationDataService.StoreTerrain(Heightmap.GetTerrainData(), RegionInfo.RegionID);
+                    }
+                    else
+                    {
+                        // This should be in the Terrain module, but it isn't because
+                        // the heightmap is needed _way_ before the modules are initialized...
+                        IConfig terrainConfig = m_config.Configs["Terrain"];
+                        String m_InitialTerrain = "pinhead-island";
+                        if (terrainConfig != null)
+                            m_InitialTerrain = terrainConfig.GetString("InitialTerrain", m_InitialTerrain);
 
-                    m_log.InfoFormat("[TERRAIN]: No default terrain. Generating a new terrain {0}.", m_InitialTerrain);
-                    Heightmap = new TerrainChannel(m_InitialTerrain, (int)RegionInfo.RegionSizeX, (int)RegionInfo.RegionSizeY, (int)RegionInfo.RegionSizeZ);
+                        m_log.InfoFormat("[TERRAIN]: No default terrain. Generating a new terrain {0}.", m_InitialTerrain);
+                        Heightmap = new TerrainChannel(m_InitialTerrain, (int)RegionInfo.RegionSizeX, (int)RegionInfo.RegionSizeY, (int)RegionInfo.RegionSizeZ);
 
-                    SimulationDataService.StoreTerrain(Heightmap.GetDoubles(), RegionInfo.RegionID);
+                        SimulationDataService.StoreTerrain(Heightmap.GetTerrainData(), RegionInfo.RegionID);
+                    }
                 }
                 else
                 {
@@ -2248,13 +2162,12 @@ namespace OpenSim.Region.Framework.Scenes
                     "[TERRAIN]: Scene.cs: LoadWorldMap() - Regenerating as failed with exception {0}{1}",
                     e.Message, e.StackTrace);
 
-                // Non standard region size.    If there's an old terrain in the database, it might read past the buffer
 #pragma warning disable 0162
                 if ((int)Constants.RegionSize != 256)
                 {
                     Heightmap = new TerrainChannel();
 
-                    SimulationDataService.StoreTerrain(Heightmap.GetDoubles(), RegionInfo.RegionID);
+                    SimulationDataService.StoreTerrain(Heightmap.GetTerrainData(), RegionInfo.RegionID);
                 }
             }
             catch (Exception e)
@@ -2262,6 +2175,12 @@ namespace OpenSim.Region.Framework.Scenes
                 m_log.WarnFormat(
                     "[TERRAIN]: Scene.cs: LoadWorldMap() - Failed with exception {0}{1}", e.Message, e.StackTrace);
             }
+
+            if(Bakedmap == null && Heightmap != null)
+            {
+                Bakedmap = Heightmap.MakeCopy();
+                SimulationDataService.StoreBakedTerrain(Bakedmap.GetTerrainData(), RegionInfo.RegionID);
+            }
         }
 
         /// <summary>
@@ -2277,12 +2196,12 @@ namespace OpenSim.Region.Framework.Scenes
             //// stored in the GridService, because that's what the world map module uses
             //// to send the map image UUIDs (of other regions) to the viewer...
             if (m_generateMaptiles)
-            RegenerateMaptile();
+                RegenerateMaptile();
 
             GridRegion region = new GridRegion(RegionInfo);
             string error = GridService.RegisterRegion(RegionInfo.ScopeID, region);
             // m_log.DebugFormat("[SCENE]: RegisterRegionWithGrid. name={0},id={1},loc=<{2},{3}>,size=<{4},{5}>",
-            //                    m_regionName, 
+            //                    m_regionName,
             //                    RegionInfo.RegionID,
             //                    RegionInfo.RegionLocX, RegionInfo.RegionLocY,
             //                    RegionInfo.RegionSizeX, RegionInfo.RegionSizeY);
@@ -2344,7 +2263,9 @@ namespace OpenSim.Region.Framework.Scenes
                 EventManager.TriggerOnSceneObjectLoaded(group);
                 SceneObjectPart rootPart = group.GetPart(group.UUID);
                 rootPart.Flags &= ~PrimFlags.Scripted;
+
                 rootPart.TrimPermissions();
+                group.InvalidateDeepEffectivePerms();
 
                 // Don't do this here - it will get done later on when sculpt data is loaded.
                 //                group.CheckSculptAndLoad();
@@ -2383,93 +2304,166 @@ namespace OpenSim.Region.Framework.Scenes
         /// <returns></returns>
         public Vector3 GetNewRezLocation(Vector3 RayStart, Vector3 RayEnd, UUID RayTargetID, Quaternion rot, byte bypassRayCast, byte RayEndIsIntersection, bool frontFacesOnly, Vector3 scale, bool FaceCenter)
         {
-            Vector3 pos = Vector3.Zero;
-            if (RayEndIsIntersection == (byte)1)
-            {
-                pos = RayEnd;
-                return pos;
-            }
 
-            if (RayTargetID != UUID.Zero)
+            Vector3 dir = RayEnd - RayStart;
+
+            float wheight = (float)RegionInfo.RegionSettings.WaterHeight;
+            Vector3 wpos = Vector3.Zero;
+            // Check for water surface intersection from above
+            if ((RayStart.Z > wheight) && (RayEnd.Z < wheight))
             {
-                SceneObjectPart target = GetSceneObjectPart(RayTargetID);
+                float ratio = (wheight - RayStart.Z) / dir.Z;
+                wpos.X = RayStart.X + (ratio * dir.X);
+                wpos.Y = RayStart.Y + (ratio * dir.Y);
+                wpos.Z = wheight;
+            }
 
-                Vector3 direction = Vector3.Normalize(RayEnd - RayStart);
-                Vector3 AXOrigin = RayStart;
-                Vector3 AXdirection = direction;
+            Vector3 pos = Vector3.Zero;
 
-                if (target != null)
+            if (RayEndIsIntersection != (byte)1)
+            {
+                float dist = dir.Length();
+                if (dist != 0)
                 {
-                    pos = target.AbsolutePosition;
-                    //m_log.Info("[OBJECT_REZ]: TargetPos: " + pos.ToString() + ", RayStart: " + RayStart.ToString() + ", RayEnd: " + RayEnd.ToString() + ", Volume: " + Util.GetDistanceTo(RayStart,RayEnd).ToString() + ", mag1: " + Util.GetMagnitude(RayStart).ToString() + ", mag2: " + Util.GetMagnitude(RayEnd).ToString());
+                    Vector3 direction = dir * (1 / dist);
 
-                    // TODO: Raytrace better here
+                    dist += 1.0f;
 
-                    //EntityIntersection ei = m_sceneGraph.GetClosestIntersectingPrim(new Ray(AXOrigin, AXdirection));
-                    Ray NewRay = new Ray(AXOrigin, AXdirection);
+                    if (SupportsRayCastFiltered())
+                    {
+                        RayFilterFlags rayfilter = RayFilterFlags.BackFaceCull;
+                        rayfilter |= RayFilterFlags.land;
+                        rayfilter |= RayFilterFlags.physical;
+                        rayfilter |= RayFilterFlags.nonphysical;
+                        rayfilter |= RayFilterFlags.LSLPhantom; // ubODE will only see volume detectors
+
+                        // get some more contacts ???
+                        int physcount = 4;
+
+                        List<ContactResult> physresults =
+                            (List<ContactResult>)RayCastFiltered(RayStart, direction, dist, physcount, rayfilter);
+                        if (physresults != null && physresults.Count > 0)
+                        {
+                            // look for terrain ?
+                            if(RayTargetID == UUID.Zero)
+                            {
+                                foreach (ContactResult r in physresults)
+                                {
+                                    if (r.ConsumerID == 0)
+                                    {
+                                        pos = r.Normal * scale;
+                                        pos *= 0.5f;
+                                        pos = r.Pos + pos;
+
+                                        if (wpos.Z > pos.Z) pos = wpos;
+                                        return pos;
+                                    }
+                                }
+                            }
+                            else
+                            {
+                                foreach (ContactResult r in physresults)
+                                {
+                                    SceneObjectPart part = GetSceneObjectPart(r.ConsumerID);
+                                    if (part == null)
+                                        continue;
+                                    if (part.UUID == RayTargetID)
+                                    {
+                                        pos = r.Normal * scale;
+                                        pos *= 0.5f;
+                                        pos = r.Pos + pos;
+
+                                        if (wpos.Z > pos.Z) pos = wpos;
+                                        return pos;
+                                    }
+                                }
+                            }
+                            // else the first we got
+                            pos = physresults[0].Normal * scale;
+                            pos *= 0.5f;
+                            pos = physresults[0].Pos + pos;
+
+                            if (wpos.Z > pos.Z)
+                                pos = wpos;
+                            return pos;
+                        }
 
-                    // Ray Trace against target here
-                    EntityIntersection ei = target.TestIntersectionOBB(NewRay, Quaternion.Identity, frontFacesOnly, FaceCenter);
+                    }
+                    if (RayTargetID != UUID.Zero)
+                    {
+                        SceneObjectPart target = GetSceneObjectPart(RayTargetID);
 
-                    // Un-comment out the following line to Get Raytrace results printed to the console.
-                    // m_log.Info("[RAYTRACERESULTS]: Hit:" + ei.HitTF.ToString() + " Point: " + ei.ipoint.ToString() + " Normal: " + ei.normal.ToString());
-                    float ScaleOffset = 0.5f;
+                        Ray NewRay = new Ray(RayStart, direction);
 
-                    // If we hit something
-                    if (ei.HitTF)
-                    {
-                        Vector3 scaleComponent = ei.AAfaceNormal;
-                        if (scaleComponent.X != 0) ScaleOffset = scale.X;
-                        if (scaleComponent.Y != 0) ScaleOffset = scale.Y;
-                        if (scaleComponent.Z != 0) ScaleOffset = scale.Z;
-                        ScaleOffset = Math.Abs(ScaleOffset);
-                        Vector3 intersectionpoint = ei.ipoint;
-                        Vector3 normal = ei.normal;
-                        // Set the position to the intersection point
-                        Vector3 offset = (normal * (ScaleOffset / 2f));
-                        pos = (intersectionpoint + offset);
-
-                        //Seems to make no sense to do this as this call is used for rezzing from inventory as well, and with inventory items their size is not always 0.5f
-                        //And in cases when we weren't rezzing from inventory we were re-adding the 0.25 straight after calling this method
-                        // Un-offset the prim (it gets offset later by the consumer method)
-                        //pos.Z -= 0.25F; 
+                        if (target != null)
+                        {
+                            pos = target.AbsolutePosition;
 
-                    }
+                            // Ray Trace against target here
+                            EntityIntersection ei = target.TestIntersectionOBB(NewRay, Quaternion.Identity, frontFacesOnly, FaceCenter);
 
-                    return pos;
-                }
-                else
-                {
-                    // We don't have a target here, so we're going to raytrace all the objects in the scene.
+                            // Un-comment out the following line to Get Raytrace results printed to the console.
+                            // m_log.Info("[RAYTRACERESULTS]: Hit:" + ei.HitTF.ToString() + " Point: " + ei.ipoint.ToString() + " Normal: " + ei.normal.ToString());
+                            float ScaleOffset = 0.5f;
 
-                    EntityIntersection ei = m_sceneGraph.GetClosestIntersectingPrim(new Ray(AXOrigin, AXdirection), true, false);
+                            // If we hit something
+                            if (ei.HitTF)
+                            {
+                                Vector3 scaleComponent = ei.AAfaceNormal;
+                                if (scaleComponent.X != 0) ScaleOffset = scale.X;
+                                if (scaleComponent.Y != 0) ScaleOffset = scale.Y;
+                                if (scaleComponent.Z != 0) ScaleOffset = scale.Z;
+                                ScaleOffset = Math.Abs(ScaleOffset);
+                                Vector3 intersectionpoint = ei.ipoint;
+                                Vector3 normal = ei.normal;
+                                // Set the position to the intersection point
+                                Vector3 offset = (normal * (ScaleOffset / 2f));
+                                pos = (intersectionpoint + offset);
+
+                                //Seems to make no sense to do this as this call is used for rezzing from inventory as well, and with inventory items their size is not always 0.5f
+                                //And in cases when we weren't rezzing from inventory we were re-adding the 0.25 straight after calling this method
+                                // Un-offset the prim (it gets offset later by the consumer method)
+                                //pos.Z -= 0.25F;
+
+                                if (wpos.Z > pos.Z) pos = wpos;
+                                return pos;
+                            }
+                        }
+                        else
+                        {
+                            // We don't have a target here, so we're going to raytrace all the objects in the scene.
+                            EntityIntersection ei = m_sceneGraph.GetClosestIntersectingPrim(NewRay, true, false);
 
-                    // Un-comment the following line to print the raytrace results to the console.
-                    //m_log.Info("[RAYTRACERESULTS]: Hit:" + ei.HitTF.ToString() + " Point: " + ei.ipoint.ToString() + " Normal: " + ei.normal.ToString());
+                            // Un-comment the following line to print the raytrace results to the console.
+                            //m_log.Info("[RAYTRACERESULTS]: Hit:" + ei.HitTF.ToString() + " Point: " + ei.ipoint.ToString() + " Normal: " + ei.normal.ToString());
 
-                    if (ei.HitTF)
-                    {
-                        pos = ei.ipoint;
-                    }
-                    else
-                    {
-                        // fall back to our stupid functionality
-                        pos = RayEnd;
-                    }
+                            if (ei.HitTF)
+                            {
+                                pos = new Vector3(ei.ipoint.X, ei.ipoint.Y, ei.ipoint.Z);
+                            }
+                            else
+                            {
+                                // fall back to our stupid functionality
+                                pos = RayEnd;
+                            }
 
-                    return pos;
+                            if (wpos.Z > pos.Z) pos = wpos;
+                            return pos;
+                        }
+                    }
                 }
             }
-            else
-            {
-                // fall back to our stupid functionality
-                pos = RayEnd;
 
-                //increase height so its above the ground.
-                //should be getting the normal of the ground at the rez point and using that?
-                pos.Z += scale.Z / 2f;
-                return pos;
-            }
+            // fall back to our stupid functionality
+            pos = RayEnd;
+
+            //increase height so its above the ground.
+            //should be getting the normal of the ground at the rez point and using that?
+            pos.Z += scale.Z / 2f;
+            //                return pos;
+            // check against posible water intercept
+            if (wpos.Z > pos.Z) pos = wpos;
+            return pos;
         }
 
 
@@ -2523,13 +2517,26 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 // Otherwise, use this default creation code;
                 sceneObject = new SceneObjectGroup(ownerID, pos, rot, shape);
-                AddNewSceneObject(sceneObject, true);
                 sceneObject.SetGroup(groupID, null);
+                AddNewSceneObject(sceneObject, true);
+
+                if (AgentPreferencesService != null) // This will override the brave new full perm world!
+                {
+                    AgentPrefs prefs = AgentPreferencesService.GetAgentPreferences(ownerID);
+                    // Only apply user selected prefs if the user set them
+                    if (prefs != null && prefs.PermNextOwner != 0)
+                    {
+                        sceneObject.RootPart.GroupMask = (uint)prefs.PermGroup;
+                        sceneObject.RootPart.EveryoneMask = (uint)prefs.PermEveryone;
+                        sceneObject.RootPart.NextOwnerMask = (uint)prefs.PermNextOwner;
+                    }
+                }
             }
 
             if (UserManagementModule != null)
                 sceneObject.RootPart.CreatorIdentification = UserManagementModule.GetUserUUI(ownerID);
 
+            sceneObject.InvalidateDeepEffectivePerms();;
             sceneObject.ScheduleGroupForFullUpdate();
 
             return sceneObject;
@@ -2560,12 +2567,12 @@ namespace OpenSim.Region.Framework.Scenes
         {
             if (m_sceneGraph.AddRestoredSceneObject(sceneObject, attachToBackup, alreadyPersisted, sendClientUpdates))
             {
+                sceneObject.IsDeleted = false;
                 EventManager.TriggerObjectAddedToScene(sceneObject);
                 return true;
             }
 
             return false;
-
         }
 
         /// <summary>
@@ -2657,6 +2664,15 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         public void DeleteAllSceneObjects()
         {
+            DeleteAllSceneObjects(false);
+        }
+
+        /// <summary>
+        /// Delete every object from the scene.  This does not include attachments worn by avatars.
+        /// </summary>
+        public void DeleteAllSceneObjects(bool exceptNoCopy)
+        {
+            List<SceneObjectGroup> toReturn = new List<SceneObjectGroup>();
             lock (Entities)
             {
                 EntityBase[] entities = Entities.GetEntities();
@@ -2665,11 +2681,24 @@ namespace OpenSim.Region.Framework.Scenes
                     if (e is SceneObjectGroup)
                     {
                         SceneObjectGroup sog = (SceneObjectGroup)e;
-                        if (!sog.IsAttachment)
-                            DeleteSceneObject((SceneObjectGroup)e, false);
+                        if (sog != null && !sog.IsAttachment)
+                        {
+                            if (!exceptNoCopy || ((sog.EffectiveOwnerPerms & (uint)PermissionMask.Copy) != 0))
+                            {
+                                DeleteSceneObject((SceneObjectGroup)e, false);
+                            }
+                            else
+                            {
+                                toReturn.Add((SceneObjectGroup)e);
+                            }
+                        }
                     }
                 }
             }
+            if (toReturn.Count > 0)
+            {
+                returnObjects(toReturn.ToArray(), null);
+            }
         }
 
         /// <summary>
@@ -2728,7 +2757,11 @@ namespace OpenSim.Region.Framework.Scenes
 
             group.DeleteGroupFromScene(silent);
 
-            // m_log.DebugFormat("[SCENE]: Exit DeleteSceneObject() for {0} {1}", group.Name, group.UUID);            
+            // use this to mean also full delete
+            if (removeScripts)
+                group.Clear();
+            partList = null;
+            // m_log.DebugFormat("[SCENE]: Exit DeleteSceneObject() for {0} {1}", group.Name, group.UUID);
         }
 
         /// <summary>
@@ -2763,6 +2796,13 @@ namespace OpenSim.Region.Framework.Scenes
             return false;
         }
 
+
+        public void updateScenePartGroup(SceneObjectPart part, SceneObjectGroup grp)
+        {
+            m_sceneGraph.updateScenePartGroup(part, grp);
+        }
+
+/* not in use, outdate by async method
         /// <summary>
         /// Move the given scene object into a new region depending on which region its absolute position has moved
         /// into.
@@ -2811,6 +2851,7 @@ namespace OpenSim.Region.Framework.Scenes
             if (EntityTransferModule != null)
                 EntityTransferModule.Cross(grp, attemptedPosition, silent);
         }
+*/
 
         // Simple test to see if a position is in the current region.
         // This test is mostly used to see if a region crossing is necessary.
@@ -2818,27 +2859,15 @@ namespace OpenSim.Region.Framework.Scenes
         // Return 'true' if position inside region.
         public bool PositionIsInCurrentRegion(Vector3 pos)
         {
-            bool ret = false;
-            int xx = (int)Math.Floor(pos.X);
-            int yy = (int)Math.Floor(pos.Y);
-            if (xx < 0 || yy < 0)
+            float t = pos.X;
+            if (t < 0 || t >= RegionInfo.RegionSizeX)
                 return false;
 
-            IRegionCombinerModule regionCombinerModule = RequestModuleInterface<IRegionCombinerModule>();
-            if (regionCombinerModule == null)
-            {
-                // Regular region. Just check for region size
-                if (xx < RegionInfo.RegionSizeX && yy < RegionInfo.RegionSizeY)
-                    ret = true;
-            }
-            else
-            {
-                // We're in a mega-region so see if we are still in that larger region
-                ret = regionCombinerModule.PositionIsInMegaregion(this.RegionInfo.RegionID, xx, yy);
-            }
-
-            return ret;
+            t = pos.Y;
+            if (t < 0 || t >= RegionInfo.RegionSizeY)
+                return false;
 
+            return true;
         }
 
         /// <summary>
@@ -2880,6 +2909,23 @@ namespace OpenSim.Region.Framework.Scenes
         /// <returns>True if the SceneObjectGroup was added, False if it was not</returns>
         public bool AddSceneObject(SceneObjectGroup sceneObject)
         {
+            if (sceneObject.OwnerID == UUID.Zero)
+            {
+                m_log.ErrorFormat("[SCENE]: Owner ID for {0} was zero", sceneObject.UUID);
+                return false;
+            }
+
+            // If the user is banned, we won't let any of their objects
+            // enter. Period.
+            //
+            int flags = GetUserFlags(sceneObject.OwnerID);
+            if (RegionInfo.EstateSettings.IsBanned(sceneObject.OwnerID, flags))
+            {
+                m_log.InfoFormat("[INTERREGION]: Denied prim crossing for banned avatar {0}", sceneObject.OwnerID);
+
+                return false;
+            }
+
             // Force allocation of new LocalId
             //
             SceneObjectPart[] parts = sceneObject.Parts;
@@ -2889,9 +2935,9 @@ namespace OpenSim.Region.Framework.Scenes
             if (sceneObject.IsAttachmentCheckFull()) // Attachment
             {
                 sceneObject.RootPart.AddFlag(PrimFlags.TemporaryOnRez);
-                sceneObject.RootPart.AddFlag(PrimFlags.Phantom);
+//                sceneObject.RootPart.AddFlag(PrimFlags.Phantom);
 
-                // Don't sent a full update here because this will cause full updates to be sent twice for 
+                // Don't sent a full update here because this will cause full updates to be sent twice for
                 // attachments on region crossings, resulting in viewer glitches.
                 AddRestoredSceneObject(sceneObject, false, false, false);
 
@@ -2912,7 +2958,7 @@ namespace OpenSim.Region.Framework.Scenes
 
                     RootPrim.RemFlag(PrimFlags.TemporaryOnRez);
 
-                    // We must currently not resume scripts at this stage since AttachmentsModule does not have the 
+                    // We must currently not resume scripts at this stage since AttachmentsModule does not have the
                     // information that this is due to a teleport/border cross rather than an ordinary attachment.
                     // We currently do this in Scene.MakeRootAgent() instead.
                     if (AttachmentsModule != null)
@@ -2920,18 +2966,60 @@ namespace OpenSim.Region.Framework.Scenes
                 }
                 else
                 {
-                    RootPrim.RemFlag(PrimFlags.TemporaryOnRez);
-                    RootPrim.AddFlag(PrimFlags.TemporaryOnRez);
+                    m_log.DebugFormat("[SCENE]: Attachment {0} arrived and scene presence was not found, setting to temp", sceneObject.UUID);
+//                    RootPrim.RemFlag(PrimFlags.TemporaryOnRez);
+//                    RootPrim.AddFlag(PrimFlags.TemporaryOnRez);
+                }
+                if (sceneObject.OwnerID == UUID.Zero)
+                {
+                    m_log.ErrorFormat("[SCENE]: Owner ID for {0} was zero after attachment processing. BUG!", sceneObject.UUID);
+                    return false;
                 }
             }
             else
             {
+                if (sceneObject.OwnerID == UUID.Zero)
+                {
+                    m_log.ErrorFormat("[SCENE]: Owner ID for non-attachment {0} was zero", sceneObject.UUID);
+                    return false;
+                }
                 AddRestoredSceneObject(sceneObject, true, false);
             }
 
             return true;
         }
 
+        private int GetStateSource(SceneObjectGroup sog)
+        {
+            if(!sog.IsAttachmentCheckFull())
+                return 2; // StateSource.PrimCrossing
+
+            ScenePresence sp = GetScenePresence(sog.OwnerID);
+            if (sp != null)
+                return sp.GetStateSource();
+
+            return 2; // StateSource.PrimCrossing
+        }
+
+        public int GetUserFlags(UUID user)
+        {
+            //Unfortunately the SP approach means that the value is cached until region is restarted
+            /*
+            ScenePresence sp;
+            if (TryGetScenePresence(user, out sp))
+            {
+                return sp.UserFlags;
+            }
+            else
+            {
+             */
+                UserAccount uac = UserAccountService.GetUserAccount(RegionInfo.ScopeID, user);
+                if (uac == null)
+                    return 0;
+                return uac.UserFlags;
+            //}
+        }
+
         #endregion
 
         #region Add/Remove Avatar Methods
@@ -2968,47 +3056,34 @@ namespace OpenSim.Region.Framework.Scenes
                     = (aCircuit.teleportFlags & (uint)Constants.TeleportFlags.ViaHGLogin) != 0
                         || (aCircuit.teleportFlags & (uint)Constants.TeleportFlags.ViaLogin) != 0;
 
-                // CheckHeartbeat();
+                CheckHeartbeat();
 
                 sp = GetScenePresence(client.AgentId);
 
-                // XXX: Not sure how good it is to add a new client if a scene presence already exists.  Possibly this
-                // could occur if a viewer crashes and relogs before the old client is kicked out.  But this could cause
-                // other problems, and possibly the code calling AddNewAgent() should ensure that no client is already
-                // connected.
                 if (sp == null)
                 {
                     m_log.DebugFormat(
-                        "[SCENE]: Adding new child scene presence {0} {1} to scene {2} at pos {3}",
-                        client.Name, client.AgentId, RegionInfo.RegionName, client.StartPos);
-
-                    sp = m_sceneGraph.CreateAndAddChildScenePresence(client, aCircuit.Appearance, type);
-
-                    // We must set this here so that TriggerOnNewClient and TriggerOnClientLogin can determine whether the
-                    // client is for a root or child agent.
-                    // We must also set this before adding the client to the client manager so that an exception later on
-                    // does not leave a client manager entry without the scene agent set, which will cause other code
-                    // to fail since any entry in the client manager should have a ScenePresence
-                    //
-                    // XXX: This may be better set for a new client before that client is added to the client manager.
-                    // But need to know what happens in the case where a ScenePresence is already present (and if this 
-                    // actually occurs).
-                    client.SceneAgent = sp;
+                        "[SCENE]: Adding new child scene presence {0} {1} to scene {2} at pos {3}, tpflags: {4}",
+                        client.Name, client.AgentId, RegionInfo.RegionName, client.StartPos,
+                        ((TPFlags)aCircuit.teleportFlags).ToString());
 
                     m_clientManager.Add(client);
                     SubscribeToClientEvents(client);
-                    m_eventManager.TriggerOnNewPresence(sp);
+
+                    sp = m_sceneGraph.CreateAndAddChildScenePresence(client, aCircuit.Appearance, type);
 
                     sp.TeleportFlags = (TPFlags)aCircuit.teleportFlags;
+
+                    m_eventManager.TriggerOnNewPresence(sp);
                 }
                 else
                 {
                     // We must set this here so that TriggerOnNewClient and TriggerOnClientLogin can determine whether the
                     // client is for a root or child agent.
                     // XXX: This may be better set for a new client before that client is added to the client manager.
-                    // But need to know what happens in the case where a ScenePresence is already present (and if this 
+                    // But need to know what happens in the case where a ScenePresence is already present (and if this
                     // actually occurs).
-                    client.SceneAgent = sp;
+
 
                     m_log.WarnFormat(
                         "[SCENE]: Already found {0} scene presence for {1} in {2} when asked to add new scene presence",
@@ -3016,8 +3091,9 @@ namespace OpenSim.Region.Framework.Scenes
 
                     reallyNew = false;
                 }
+                client.SceneAgent = sp;
 
-                // This is currently also being done earlier in NewUserConnection for real users to see if this 
+                // This is currently also being done earlier in NewUserConnection for real users to see if this
                 // resolves problems where HG agents are occasionally seen by others as "Unknown user" in chat and other
                 // places.  However, we still need to do it here for NPCs.
                 CacheUserName(sp, aCircuit);
@@ -3063,7 +3139,7 @@ namespace OpenSim.Region.Framework.Scenes
 
                 if (sp != null && sp.PresenceType == PresenceType.Npc)
                 {
-                    UserManagementModule.AddUser(aCircuit.AgentID, first, last);
+                    UserManagementModule.AddUser(aCircuit.AgentID, first, last, true);
                 }
                 else
                 {
@@ -3134,19 +3210,15 @@ namespace OpenSim.Region.Framework.Scenes
                     // and the scene presence and the client, if they exist
                     try
                     {
-                        // We need to wait for the client to make UDP contact first.
-                        // It's the UDP contact that creates the scene presence
                         ScenePresence sp = WaitGetScenePresence(agentID);
+
                         if (sp != null)
                         {
                             PresenceService.LogoutAgent(sp.ControllingClient.SessionId);
 
                             CloseAgent(sp.UUID, false);
                         }
-                        else
-                        {
-                            m_log.WarnFormat("[SCENE]: Could not find scene presence for {0}", agentID);
-                        }
+
                         // BANG! SLASH!
                         m_authenticateHandler.RemoveCircuit(agentID);
 
@@ -3183,7 +3255,7 @@ namespace OpenSim.Region.Framework.Scenes
 
         public virtual void SubscribeToClientTerrainEvents(IClientAPI client)
         {
-            client.OnRegionHandShakeReply += SendLayerData;
+//            client.OnRegionHandShakeReply += SendLayerData;
         }
 
         public virtual void SubscribeToClientPrimEvents(IClientAPI client)
@@ -3191,6 +3263,8 @@ namespace OpenSim.Region.Framework.Scenes
             client.OnUpdatePrimGroupPosition += m_sceneGraph.UpdatePrimGroupPosition;
             client.OnUpdatePrimSinglePosition += m_sceneGraph.UpdatePrimSinglePosition;
 
+            client.onClientChangeObject += m_sceneGraph.ClientChangeObject;
+
             client.OnUpdatePrimGroupRotation += m_sceneGraph.UpdatePrimGroupRotation;
             client.OnUpdatePrimGroupMouseRotation += m_sceneGraph.UpdatePrimGroupRotation;
             client.OnUpdatePrimSingleRotation += m_sceneGraph.UpdatePrimSingleRotation;
@@ -3204,9 +3278,6 @@ namespace OpenSim.Region.Framework.Scenes
             client.OnObjectRequest += RequestPrim;
             client.OnObjectSelect += SelectPrim;
             client.OnObjectDeselect += DeselectPrim;
-            client.OnGrabUpdate += m_sceneGraph.MoveObject;
-            client.OnSpinStart += m_sceneGraph.SpinStart;
-            client.OnSpinUpdate += m_sceneGraph.SpinObject;
             client.OnDeRezObject += DeRezObjects;
 
             client.OnObjectName += m_sceneGraph.PrimName;
@@ -3222,6 +3293,9 @@ namespace OpenSim.Region.Framework.Scenes
             client.OnGrabObject += ProcessObjectGrab;
             client.OnGrabUpdate += ProcessObjectGrabUpdate;
             client.OnDeGrabObject += ProcessObjectDeGrab;
+            client.OnSpinStart += ProcessSpinStart;
+            client.OnSpinUpdate += ProcessSpinObject;
+            client.OnSpinStop += ProcessSpinObjectStop;
             client.OnUndo += m_sceneGraph.HandleUndo;
             client.OnRedo += m_sceneGraph.HandleRedo;
             client.OnObjectDescription += m_sceneGraph.PrimDescription;
@@ -3247,6 +3321,7 @@ namespace OpenSim.Region.Framework.Scenes
             client.OnFetchInventory += m_asyncInventorySender.HandleFetchInventory;
             client.OnUpdateInventoryItem += UpdateInventoryItemAsset;
             client.OnCopyInventoryItem += CopyInventoryItem;
+            client.OnMoveItemsAndLeaveCopy += MoveInventoryItemsLeaveCopy;
             client.OnMoveInventoryItem += MoveInventoryItem;
             client.OnRemoveInventoryItem += RemoveInventoryItem;
             client.OnRemoveInventoryFolder += RemoveInventoryFolder;
@@ -3308,7 +3383,7 @@ namespace OpenSim.Region.Framework.Scenes
 
         public virtual void UnSubscribeToClientTerrainEvents(IClientAPI client)
         {
-            client.OnRegionHandShakeReply -= SendLayerData;
+//            client.OnRegionHandShakeReply -= SendLayerData;
         }
 
         public virtual void UnSubscribeToClientPrimEvents(IClientAPI client)
@@ -3316,6 +3391,8 @@ namespace OpenSim.Region.Framework.Scenes
             client.OnUpdatePrimGroupPosition -= m_sceneGraph.UpdatePrimGroupPosition;
             client.OnUpdatePrimSinglePosition -= m_sceneGraph.UpdatePrimSinglePosition;
 
+            client.onClientChangeObject -= m_sceneGraph.ClientChangeObject;
+
             client.OnUpdatePrimGroupRotation -= m_sceneGraph.UpdatePrimGroupRotation;
             client.OnUpdatePrimGroupMouseRotation -= m_sceneGraph.UpdatePrimGroupRotation;
             client.OnUpdatePrimSingleRotation -= m_sceneGraph.UpdatePrimSingleRotation;
@@ -3329,9 +3406,6 @@ namespace OpenSim.Region.Framework.Scenes
             client.OnObjectRequest -= RequestPrim;
             client.OnObjectSelect -= SelectPrim;
             client.OnObjectDeselect -= DeselectPrim;
-            client.OnGrabUpdate -= m_sceneGraph.MoveObject;
-            client.OnSpinStart -= m_sceneGraph.SpinStart;
-            client.OnSpinUpdate -= m_sceneGraph.SpinObject;
             client.OnDeRezObject -= DeRezObjects;
             client.OnObjectName -= m_sceneGraph.PrimName;
             client.OnObjectClickAction -= m_sceneGraph.PrimClickAction;
@@ -3344,7 +3418,11 @@ namespace OpenSim.Region.Framework.Scenes
             client.OnRequestObjectPropertiesFamily -= m_sceneGraph.RequestObjectPropertiesFamily;
             client.OnObjectPermissions -= HandleObjectPermissionsUpdate;
             client.OnGrabObject -= ProcessObjectGrab;
+            client.OnGrabUpdate -= ProcessObjectGrabUpdate;
             client.OnDeGrabObject -= ProcessObjectDeGrab;
+            client.OnSpinStart -= ProcessSpinStart;
+            client.OnSpinUpdate -= ProcessSpinObject;
+            client.OnSpinStop -= ProcessSpinObjectStop;
             client.OnUndo -= m_sceneGraph.HandleUndo;
             client.OnRedo -= m_sceneGraph.HandleRedo;
             client.OnObjectDescription -= m_sceneGraph.PrimDescription;
@@ -3440,13 +3518,15 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="GroupID">Group of new object</param>
         public void DuplicateObject(uint originalPrim, Vector3 offset, uint flags, UUID AgentID, UUID GroupID)
         {
-            SceneObjectGroup copy = SceneGraph.DuplicateObject(originalPrim, offset, flags, AgentID, GroupID, Quaternion.Identity);
+            bool createSelected = (flags & (uint)PrimFlags.CreateSelected) != 0;
+            SceneObjectGroup copy = SceneGraph.DuplicateObject(originalPrim, offset, AgentID,
+                    GroupID, Quaternion.Identity, createSelected);
             if (copy != null)
                 EventManager.TriggerObjectAddedToScene(copy);
         }
 
         /// <summary>
-        /// Duplicates object specified by localID at position raycasted against RayTargetObject using 
+        /// Duplicates object specified by localID at position raycasted against RayTargetObject using
         /// RayEnd and RayStart to determine what the angle of the ray is
         /// </summary>
         /// <param name="localID">ID of object to duplicate</param>
@@ -3470,11 +3550,11 @@ namespace OpenSim.Region.Framework.Scenes
             SceneObjectPart target = GetSceneObjectPart(localID);
             SceneObjectPart target2 = GetSceneObjectPart(RayTargetObj);
 
+            bool createSelected = (dupeFlags & (uint)PrimFlags.CreateSelected) != 0;
+
             if (target != null && target2 != null)
             {
                 Vector3 direction = Vector3.Normalize(RayEnd - RayStart);
-                Vector3 AXOrigin = RayStart;
-                Vector3 AXdirection = direction;
 
                 pos = target2.AbsolutePosition;
                 //m_log.Info("[OBJECT_REZ]: TargetPos: " + pos.ToString() + ", RayStart: " + RayStart.ToString() + ", RayEnd: " + RayEnd.ToString() + ", Volume: " + Util.GetDistanceTo(RayStart,RayEnd).ToString() + ", mag1: " + Util.GetMagnitude(RayStart).ToString() + ", mag2: " + Util.GetMagnitude(RayEnd).ToString());
@@ -3482,7 +3562,7 @@ namespace OpenSim.Region.Framework.Scenes
                 // TODO: Raytrace better here
 
                 //EntityIntersection ei = m_sceneGraph.GetClosestIntersectingPrim(new Ray(AXOrigin, AXdirection));
-                Ray NewRay = new Ray(AXOrigin, AXdirection);
+                Ray NewRay = new Ray(RayStart,direction);
 
                 // Ray Trace against target here
                 EntityIntersection ei = target2.TestIntersectionOBB(NewRay, Quaternion.Identity, frontFacesOnly, CopyCenters);
@@ -3513,13 +3593,13 @@ namespace OpenSim.Region.Framework.Scenes
                         Quaternion worldRot = target2.GetWorldRotation();
 
                         // SceneObjectGroup obj = m_sceneGraph.DuplicateObject(localID, pos, target.GetEffectiveObjectFlags(), AgentID, GroupID, worldRot);
-                        copy = m_sceneGraph.DuplicateObject(localID, pos, target.GetEffectiveObjectFlags(), AgentID, GroupID, worldRot);
+                        copy = m_sceneGraph.DuplicateObject(localID, pos, AgentID, GroupID, worldRot, createSelected);
                         //obj.Rotation = worldRot;
                         //obj.UpdateGroupRotationR(worldRot);
                     }
                     else
                     {
-                        copy = m_sceneGraph.DuplicateObject(localID, pos, target.GetEffectiveObjectFlags(), AgentID, GroupID, Quaternion.Identity);
+                        copy = m_sceneGraph.DuplicateObject(localID, pos, AgentID, GroupID, Quaternion.Identity, createSelected);
                     }
 
                     if (copy != null)
@@ -3553,7 +3633,7 @@ namespace OpenSim.Region.Framework.Scenes
         }
 
         /// <summary>
-        /// Remove the given client from the scene. 
+        /// Remove the given client from the scene.
         /// </summary>
         /// <remarks>
         /// Only clientstack code should call this directly.  All other code should call IncomingCloseAgent() instead
@@ -3564,11 +3644,15 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name='closeChildAgents'>
         /// Close the neighbour child agents associated with this client.
         /// </param>
+        ///
+
+        private object m_removeClientPrivLock = new Object();
+
         public void RemoveClient(UUID agentID, bool closeChildAgents)
         {
             AgentCircuitData acd = m_authenticateHandler.GetAgentCircuitData(agentID);
 
-            // Shouldn't be necessary since RemoveClient() is currently only called by IClientAPI.Close() which 
+            // Shouldn't be necessary since RemoveClient() is currently only called by IClientAPI.Close() which
             // in turn is only called by Scene.IncomingCloseAgent() which checks whether the presence exists or not
             // However, will keep for now just in case.
             if (acd == null)
@@ -3580,13 +3664,13 @@ namespace OpenSim.Region.Framework.Scenes
             }
 
             // TODO: Can we now remove this lock?
-            lock (acd)
+            lock (m_removeClientPrivLock)
             {
                 bool isChildAgent = false;
 
                 ScenePresence avatar = GetScenePresence(agentID);
 
-                // Shouldn't be necessary since RemoveClient() is currently only called by IClientAPI.Close() which 
+                // Shouldn't be necessary since RemoveClient() is currently only called by IClientAPI.Close() which
                 // in turn is only called by Scene.IncomingCloseAgent() which checks whether the presence exists or not
                 // However, will keep for now just in case.
                 if (avatar == null)
@@ -3625,7 +3709,7 @@ namespace OpenSim.Region.Framework.Scenes
                     // TODO: We shouldn't use closeChildAgents here - it's being used by the NPC module to stop
                     // unnecessary operations.  This should go away once NPCs have no accompanying IClientAPI
                     if (closeChildAgents && CapsModule != null)
-                        CapsModule.RemoveCaps(agentID);
+                        CapsModule.RemoveCaps(agentID, avatar.ControllingClient.CircuitCode);
 
                     if (closeChildAgents && !isChildAgent)
                     {
@@ -3637,13 +3721,17 @@ namespace OpenSim.Region.Framework.Scenes
                     }
 
                     m_eventManager.TriggerClientClosed(agentID, this);
+//                    m_log.Debug("[Scene]TriggerClientClosed done");
                     m_eventManager.TriggerOnRemovePresence(agentID);
+//                    m_log.Debug("[Scene]TriggerOnRemovePresence done");
 
                     if (!isChildAgent)
                     {
                         if (AttachmentsModule != null)
                         {
+//                            m_log.Debug("[Scene]DeRezAttachments");
                             AttachmentsModule.DeRezAttachments(avatar);
+//                            m_log.Debug("[Scene]DeRezAttachments done");
                         }
 
                         ForEachClient(
@@ -3657,7 +3745,11 @@ namespace OpenSim.Region.Framework.Scenes
 
                     // It's possible for child agents to have transactions if changes are being made cross-border.
                     if (AgentTransactionsModule != null)
+                    {
+//                        m_log.Debug("[Scene]RemoveAgentAssetTransactions");
                         AgentTransactionsModule.RemoveAgentAssetTransactions(agentID);
+                    }
+                    m_log.Debug("[Scene] The avatar has left the building");
                 }
                 catch (Exception e)
                 {
@@ -3691,7 +3783,7 @@ namespace OpenSim.Region.Framework.Scenes
 
         /// <summary>
         /// Removes region from an avatar's known region list.  This coincides with child agents.  For each child agent, there will be a known region entry.
-        /// 
+        ///
         /// </summary>
         /// <param name="avatarID"></param>
         /// <param name="regionslst"></param>
@@ -3721,15 +3813,9 @@ namespace OpenSim.Region.Framework.Scenes
             foreach (uint localID in localIDs)
             {
                 SceneObjectPart part = GetSceneObjectPart(localID);
-                if (part != null) // It is a prim
-                {
-                    if (part.ParentGroup != null && !part.ParentGroup.IsDeleted) // Valid
-                    {
-                        if (part.ParentGroup.RootPart != part) // Child part
-                            continue;
-                    }
-                }
-                deleteIDs.Add(localID);
+                if (part != null && part.ParentGroup != null &&
+                            part.ParentGroup.RootPart == part)
+                    deleteIDs.Add(localID);
             }
 
             ForEachClient(c => c.SendKillObject(deleteIDs));
@@ -3746,7 +3832,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="teleportFlags"></param>
         /// <param name="source">Source region (may be null)</param>
         /// <param name="reason">Outputs the reason for the false response on this string</param>
-        /// <returns>True if the region accepts this agent.  False if it does not.  False will 
+        /// <returns>True if the region accepts this agent.  False if it does not.  False will
         /// also return a reason.</returns>
         public bool NewUserConnection(AgentCircuitData agent, uint teleportFlags, GridRegion source, out string reason)
         {
@@ -3774,14 +3860,17 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="reason">Outputs the reason for the false response on this string</param>
         /// <param name="requirePresenceLookup">True for normal presence. False for NPC
         /// or other applications where a full grid/Hypergrid presence may not be required.</param>
-        /// <returns>True if the region accepts this agent.  False if it does not.  False will 
+        /// <returns>True if the region accepts this agent.  False if it does not.  False will
         /// also return a reason.</returns>
+        ///
+        private object m_newUserConnLock = new object();
+
         public bool NewUserConnection(AgentCircuitData acd, uint teleportFlags, GridRegion source, out string reason, bool requirePresenceLookup)
         {
             bool vialogin = ((teleportFlags & (uint)TPFlags.ViaLogin) != 0 ||
                 (teleportFlags & (uint)TPFlags.ViaHGLogin) != 0);
             bool viahome = ((teleportFlags & (uint)TPFlags.ViaHome) != 0);
-            bool godlike = ((teleportFlags & (uint)TPFlags.Godlike) != 0);
+//            bool godlike = ((teleportFlags & (uint)TPFlags.Godlike) != 0);
 
             reason = String.Empty;
 
@@ -3809,9 +3898,11 @@ namespace OpenSim.Region.Framework.Scenes
                 (source == null) ? "" : string.Format("From region {0} ({1}){2}", source.RegionName, source.RegionID, (source.RawServerURI == null) ? "" : " @ " + source.ServerURI)
             );
 
+//            m_log.DebugFormat("NewUserConnection stack {0}", Environment.StackTrace);
+
             if (!LoginsEnabled)
             {
-                reason = "Logins Disabled";
+                reason = "Logins to this region are disabled";
                 return false;
             }
 
@@ -3858,14 +3949,13 @@ namespace OpenSim.Region.Framework.Scenes
                 return false;
             }
 
-            ILandObject land;
             ScenePresence sp;
 
             lock (m_removeClientLock)
             {
                 sp = GetScenePresence(acd.AgentID);
 
-                // We need to ensure that we are not already removing the scene presence before we ask it not to be 
+                // We need to ensure that we are not already removing the scene presence before we ask it not to be
                 // closed.
                 if (sp != null && sp.IsChildAgent
                     && (sp.LifecycleState == ScenePresenceState.Running
@@ -3879,16 +3969,16 @@ namespace OpenSim.Region.Framework.Scenes
                     // teleport from A -> D, but then -> C before A has asked B to close its old child agent.  When C
                     // renews the lease on the child agent at B, we must make sure that the close from A does not succeed.
                     //
-                    // XXX: In the end, this should not be necessary if child agents are closed without delay on 
+                    // XXX: In the end, this should not be necessary if child agents are closed without delay on
                     // teleport, since realistically, the close request should always be processed before any other
-                    // region tried to re-establish a child agent.  This is much simpler since the logic below is 
+                    // region tried to re-establish a child agent.  This is much simpler since the logic below is
                     // vulnerable to an issue when a viewer quits a region without sending a proper logout but then
                     // re-establishes the connection on a relogin.  This could wrongly set the DoNotCloseAfterTeleport
                     // flag when no teleport had taken place (and hence no close was going to come).
 //                    if (!acd.ChildrenCapSeeds.ContainsKey(RegionInfo.RegionHandle))
 //                    {
 //                        m_log.DebugFormat(
-//                            "[SCENE]: Setting DoNotCloseAfterTeleport for child scene presence {0} in {1} because source will attempt close.", 
+//                            "[SCENE]: Setting DoNotCloseAfterTeleport for child scene presence {0} in {1} because source will attempt close.",
 //                            sp.Name, Name);
 //
 //                        sp.DoNotCloseAfterTeleport = true;
@@ -3902,7 +3992,7 @@ namespace OpenSim.Region.Framework.Scenes
                         sp.DoNotCloseAfterTeleport = true;
 
                         m_log.DebugFormat(
-                            "[SCENE]: Set DoNotCloseAfterTeleport for child scene presence {0} in {1} because this region will attempt end-of-teleport close from a previous close.", 
+                            "[SCENE]: Set DoNotCloseAfterTeleport for child scene presence {0} in {1} because this region will attempt end-of-teleport close from a previous close.",
                             sp.Name, Name);
                     }
                 }
@@ -3922,7 +4012,7 @@ namespace OpenSim.Region.Framework.Scenes
                 if (sp.LifecycleState == ScenePresenceState.Removing)
                 {
                     m_log.WarnFormat(
-                        "[SCENE]: Agent {0} in {1} was still being removed after {2}s.  Aborting NewUserConnection.", 
+                        "[SCENE]: Agent {0} in {1} was still being removed after {2}s.  Aborting NewUserConnection.",
                         sp.Name, Name, polls * pollInterval / 1000);
 
                     return false;
@@ -3936,14 +4026,14 @@ namespace OpenSim.Region.Framework.Scenes
             }
 
             // TODO: can we remove this lock?
-            lock (acd)
+            lock (m_newUserConnLock)
             {
                 if (sp != null && !sp.IsChildAgent)
                 {
                     // We have a root agent. Is it in transit?
                     if (!EntityTransferModule.IsInTransit(sp.UUID))
                     {
-                        // We have a zombie from a crashed session. 
+                        // We have a zombie from a crashed session.
                         // Or the same user is trying to be root twice here, won't work.
                         // Kill it.
                         m_log.WarnFormat(
@@ -3963,20 +4053,21 @@ namespace OpenSim.Region.Framework.Scenes
                 // We need the circuit data here for some of the subsequent checks. (groups, for example)
                 // If the checks fail, we remove the circuit.
                 acd.teleportFlags = teleportFlags;
-                m_authenticateHandler.AddNewCircuit(acd.circuitcode, acd);
-
-                land = LandChannel.GetLandObject(acd.startpos.X, acd.startpos.Y);
 
-                // On login test land permisions
                 if (vialogin)
                 {
-                    if (land != null && !TestLandRestrictions(acd.AgentID, out reason, ref acd.startpos.X, ref acd.startpos.Y))
-                    {
-                        m_authenticateHandler.RemoveCircuit(acd.circuitcode);
-                        return false;
-                    }
+                    IUserAccountCacheModule cache = RequestModuleInterface<IUserAccountCacheModule>();
+                    if (cache != null)
+//                        cache.Remove(acd.firstname + " " + acd.lastname);
+                        cache.Remove(acd.AgentID);
+
+                    // Remove any preexisting circuit - we don't want duplicates
+                    // This is a stab at preventing avatar "ghosting"
+                    m_authenticateHandler.RemoveCircuit(acd.AgentID);
                 }
 
+                m_authenticateHandler.AddNewCircuit(acd.circuitcode, acd);
+
                 if (sp == null) // We don't have an [child] agent here already
                 {
                     if (requirePresenceLookup)
@@ -4024,7 +4115,7 @@ namespace OpenSim.Region.Framework.Scenes
                     if (CapsModule != null)
                     {
                         CapsModule.SetAgentCapsSeeds(acd);
-                        CapsModule.CreateCaps(acd.AgentID);
+                        CapsModule.CreateCaps(acd.AgentID, acd.circuitcode);
                     }
                 }
                 else
@@ -4039,13 +4130,13 @@ namespace OpenSim.Region.Framework.Scenes
                             "[SCENE]: Adjusting known seeds for existing agent {0} in {1}",
                             acd.AgentID, RegionInfo.RegionName);
 
-                        sp.AdjustKnownSeeds();
-
                         if (CapsModule != null)
                         {
                             CapsModule.SetAgentCapsSeeds(acd);
-                            CapsModule.CreateCaps(acd.AgentID);
+                            CapsModule.CreateCaps(acd.AgentID, acd.circuitcode);
                         }
+
+                        sp.AdjustKnownSeeds();
                     }
                 }
 
@@ -4055,88 +4146,48 @@ namespace OpenSim.Region.Framework.Scenes
                 CacheUserName(null, acd);
             }
 
-            if (vialogin)
+            if (CapsModule != null)
             {
-//                CleanDroppedAttachments();
-
-                // Make sure avatar position is in the region (why it wouldn't be is a mystery but do sanity checking)
-                if (acd.startpos.X < 0) acd.startpos.X = 1f;
-                if (acd.startpos.X >= RegionInfo.RegionSizeX) acd.startpos.X = RegionInfo.RegionSizeX - 1f;
-                if (acd.startpos.Y < 0) acd.startpos.Y = 1f;
-                if (acd.startpos.Y >= RegionInfo.RegionSizeY) acd.startpos.Y = RegionInfo.RegionSizeY - 1f;
-
-//                m_log.DebugFormat(
-//                    "[SCENE]: Found telehub object {0} for new user connection {1} to {2}", 
-//                    RegionInfo.RegionSettings.TelehubObject, acd.Name, Name);
-
-                // Honor Estate teleport routing via Telehubs excluding ViaHome and GodLike TeleportFlags
-                if (RegionInfo.RegionSettings.TelehubObject != UUID.Zero &&
-                    RegionInfo.EstateSettings.AllowDirectTeleport == false &&
-                    !viahome && !godlike)
-                {
-                    SceneObjectGroup telehub = GetSceneObjectGroup(RegionInfo.RegionSettings.TelehubObject);
-
-                    if (telehub != null)
-                    {
-                        // Can have multiple SpawnPoints
-                        List<SpawnPoint> spawnpoints = RegionInfo.RegionSettings.SpawnPoints();
-                        if (spawnpoints.Count > 1)
-                        {
-                            // We have multiple SpawnPoints, Route the agent to a random or sequential one
-                            if (SpawnPointRouting == "random")
-                                acd.startpos = spawnpoints[Util.RandomClass.Next(spawnpoints.Count) - 1].GetLocation(
-                                    telehub.AbsolutePosition,
-                                    telehub.GroupRotation
-                                );
-                            else
-                                acd.startpos = spawnpoints[SpawnPoint()].GetLocation(
-                                    telehub.AbsolutePosition,
-                                    telehub.GroupRotation
-                                );
-                        }
-                        else if (spawnpoints.Count == 1)
-                        {
-                            // We have a single SpawnPoint and will route the agent to it
-                            acd.startpos = spawnpoints[0].GetLocation(telehub.AbsolutePosition, telehub.GroupRotation);
-                        }
-                        else
-                        {
-                            m_log.DebugFormat(
-                                "[SCENE]: No spawnpoints defined for telehub {0} for {1} in {2}.  Continuing.",
-                                RegionInfo.RegionSettings.TelehubObject, acd.Name, Name);
-                        }
-                    }
-                    else
-                    {
-                        m_log.DebugFormat(
-                            "[SCENE]: No telehub {0} found to direct {1} in {2}.  Continuing.",
-                            RegionInfo.RegionSettings.TelehubObject, acd.Name, Name);
-                    }
+                CapsModule.ActivateCaps(acd.circuitcode);
+            }
 
-                    // Final permissions check; this time we don't allow changing the position
-                    if (!IsPositionAllowed(acd.AgentID, acd.startpos, ref reason))
-                    {
-                        m_authenticateHandler.RemoveCircuit(acd.circuitcode);
-                        return false;
-                    }
+//            if (vialogin)
+//            {
+//                CleanDroppedAttachments();
+//            }
 
-                    return true;
-                }
+            if(teleportFlags != (uint) TPFlags.Default)
+            {
+                // Make sure root avatar position is in the region
+                if (acd.startpos.X < 0)
+                    acd.startpos.X = 1f;
+                else if (acd.startpos.X >= RegionInfo.RegionSizeX)
+                    acd.startpos.X = RegionInfo.RegionSizeX - 1f;
+                if (acd.startpos.Y < 0)
+                    acd.startpos.Y = 1f;
+                else if (acd.startpos.Y >= RegionInfo.RegionSizeY)
+                    acd.startpos.Y = RegionInfo.RegionSizeY - 1f;
+            }
+            // only check access, actual relocations will happen later on ScenePresence MakeRoot
+            // allow child agents creation
+//            if(!godlike && teleportFlags != (uint) TPFlags.Default)
+            if(teleportFlags != (uint) TPFlags.Default)
+            {
+                bool checkTeleHub;
+
+                // don't check hubs if via home or via lure
+                if((teleportFlags & (uint) TPFlags.ViaHome) != 0
+                        || (teleportFlags & (uint) TPFlags.ViaLure) != 0)
+                        checkTeleHub = false;
+                else
+                    checkTeleHub = vialogin
+                        || (TelehubAllowLandmarks == true ? false : ((teleportFlags & (uint)TPFlags.ViaLandmark) != 0 ))
+                        || (teleportFlags & (uint) TPFlags.ViaLocation) != 0;
 
-                // Honor parcel landing type and position.
-                if (land != null)
+                if(!CheckLandPositionAccess(acd.AgentID, true, checkTeleHub, acd.startpos, out reason))
                 {
-                    if (land.LandData.LandingType == (byte)1 && land.LandData.UserLocation != Vector3.Zero)
-                    {
-                        acd.startpos = land.LandData.UserLocation;
-
-                        // Final permissions check; this time we don't allow changing the position
-                        if (!IsPositionAllowed(acd.AgentID, acd.startpos, ref reason))
-                        {
-                            m_authenticateHandler.RemoveCircuit(acd.circuitcode);
-                            return false;
-                        }
-                    }
+                    m_authenticateHandler.RemoveCircuit(acd.circuitcode);
+                    return false;
                 }
             }
 
@@ -4162,12 +4213,13 @@ namespace OpenSim.Region.Framework.Scenes
         {
             if (posX < 0)
                 posX = 0;
-            else if (posX >= (float)RegionInfo.RegionSizeX)
-                posX = (float)RegionInfo.RegionSizeX - 0.001f;
+
+            else if (posX >= RegionInfo.RegionSizeX)
+                posX = RegionInfo.RegionSizeX - 0.5f;
             if (posY < 0)
                 posY = 0;
-            else if (posY >= (float)RegionInfo.RegionSizeY)
-                posY = (float)RegionInfo.RegionSizeY - 0.001f;
+            else if (posY >= RegionInfo.RegionSizeY)
+                posY = RegionInfo.RegionSizeY - 0.5f;
 
             reason = String.Empty;
             if (Permissions.IsGod(agentID))
@@ -4183,14 +4235,14 @@ namespace OpenSim.Region.Framework.Scenes
             if (banned || restricted)
             {
                 ILandObject nearestParcel = GetNearestAllowedParcel(agentID, posX, posY);
+                Vector2? newPosition = null;
                 if (nearestParcel != null)
                 {
                     //Move agent to nearest allowed
-                    Vector3 newPosition = GetParcelCenterAtGround(nearestParcel);
-                    posX = newPosition.X;
-                    posY = newPosition.Y;
+//                    Vector2 newPosition = GetParcelSafeCorner(nearestParcel);
+                    newPosition = nearestParcel.GetNearestPoint(new Vector3(posX, posY,0));
                 }
-                else
+                if(newPosition == null)
                 {
                     if (banned)
                     {
@@ -4203,6 +4255,11 @@ namespace OpenSim.Region.Framework.Scenes
                     }
                     return false;
                 }
+                else
+                {
+                    posX = newPosition.Value.X;
+                    posY = newPosition.Value.Y;
+                }
             }
             reason = "";
             return true;
@@ -4213,7 +4270,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         /// <param name="agent">Circuit Data of the Agent we're verifying</param>
         /// <param name="reason">Outputs the reason for the false response on this string</param>
-        /// <returns>True if the user has a session on the grid.  False if it does not.  False will 
+        /// <returns>True if the user has a session on the grid.  False if it does not.  False will
         /// also return a reason.</returns>
         public virtual bool VerifyUserPresence(AgentCircuitData agent, out string reason)
         {
@@ -4242,14 +4299,16 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         /// <param name="agent">The circuit data for the agent</param>
         /// <param name="reason">outputs the reason to this string</param>
-        /// <returns>True if the region accepts this agent.  False if it does not.  False will 
+        /// <returns>True if the region accepts this agent.  False if it does not.  False will
         /// also return a reason.</returns>
         protected virtual bool AuthorizeUser(AgentCircuitData agent, bool bypassAccessControl, out string reason)
         {
             reason = String.Empty;
 
-            if (!m_strictAccessControl) return true;
-            if (Permissions.IsGod(agent.AgentID)) return true;
+            if (!m_strictAccessControl)
+                return true;
+            if (Permissions.IsGod(agent.AgentID))
+                return true;
 
             if (AuthorizationService != null)
             {
@@ -4269,98 +4328,85 @@ namespace OpenSim.Region.Framework.Scenes
             // the root is done elsewhere (QueryAccess)
             if (!bypassAccessControl)
             {
-                if (RegionInfo.EstateSettings != null)
+                if(RegionInfo.EstateSettings == null)
                 {
-                    if (RegionInfo.EstateSettings.IsBanned(agent.AgentID))
-                    {
-                        m_log.WarnFormat("[CONNECTION BEGIN]: Denied access to: {0} ({1} {2}) at {3} because the user is on the banlist",
-                                         agent.AgentID, agent.firstname, agent.lastname, RegionInfo.RegionName);
-                        reason = String.Format("Denied access to region {0}: You have been banned from that region.",
-                                               RegionInfo.RegionName);
-                        return false;
-                    }
+                    // something is broken?  let it get in
+                    m_log.ErrorFormat("[CONNECTION BEGIN]: Estate Settings is null!");
+                    return true;
                 }
-                else
+
+                // check estate ban
+                int flags = GetUserFlags(agent.AgentID);
+                if (RegionInfo.EstateSettings.IsBanned(agent.AgentID, flags))
                 {
-                    m_log.ErrorFormat("[CONNECTION BEGIN]: Estate Settings is null!");
+                    m_log.WarnFormat("[CONNECTION BEGIN]: Denied access to: {0} ({1} {2}) at {3} because the user is on the banlist",
+                            agent.AgentID, agent.firstname, agent.lastname, RegionInfo.RegionName);
+                    reason = String.Format("Denied access to region {0}: You have been banned from that region.",
+                            RegionInfo.RegionName);
+                    return false;
                 }
 
-                List<UUID> agentGroups = new List<UUID>();
+                // public access
+                if (RegionInfo.EstateSettings.PublicAccess)
+                    return true;
+
+                // in access list / owner / manager
+                if (RegionInfo.EstateSettings.HasAccess(agent.AgentID))
+                    return true;
 
-                if (m_groupsModule != null)
+                // finally test groups
+                bool groupAccess = false;
+
+                // some say GOTO is ugly
+                if(m_groupsModule == null) // if no groups refuse
+                    goto Label_GroupsDone;
+
+                UUID[] estateGroups = RegionInfo.EstateSettings.EstateGroups;
+
+                if(estateGroups == null)
                 {
-                    GroupMembershipData[] GroupMembership = m_groupsModule.GetMembershipData(agent.AgentID);
+                    m_log.ErrorFormat("[CONNECTION BEGIN]: Estate GroupMembership is null!");
+                    goto Label_GroupsDone;
+                }
 
-                    if (GroupMembership != null)
-                    {
-                        for (int i = 0; i < GroupMembership.Length; i++)
-                            agentGroups.Add(GroupMembership[i].GroupID);
-                    }
-                    else
-                    {
-                        m_log.ErrorFormat("[CONNECTION BEGIN]: GroupMembership is null!");
-                    }
+                if(estateGroups.Length == 0)
+                    goto Label_GroupsDone;
+
+                List<UUID> agentGroups = new List<UUID>();
+                GroupMembershipData[] GroupMembership = m_groupsModule.GetMembershipData(agent.AgentID);
+
+                if(GroupMembership == null)
+                {
+                    m_log.ErrorFormat("[CONNECTION BEGIN]: GroupMembership is null!");
+                    goto Label_GroupsDone;
                 }
 
-                bool groupAccess = false;
-                UUID[] estateGroups = RegionInfo.EstateSettings.EstateGroups;
+                if(GroupMembership.Length == 0)
+                    goto Label_GroupsDone;
+
+                for(int i = 0;i < GroupMembership.Length;i++)
+                    agentGroups.Add(GroupMembership[i].GroupID);
 
-                if (estateGroups != null)
+                foreach(UUID group in estateGroups)
                 {
-                    foreach (UUID group in estateGroups)
+                    if(agentGroups.Contains(group))
                     {
-                        if (agentGroups.Contains(group))
-                        {
-                            groupAccess = true;
-                            break;
-                        }
+                        groupAccess = true;
+                        break;
                     }
                 }
-                else
-                {
-                    m_log.ErrorFormat("[CONNECTION BEGIN]: EstateGroups is null!");
-                }
 
-                if (!RegionInfo.EstateSettings.PublicAccess &&
-                    !RegionInfo.EstateSettings.HasAccess(agent.AgentID) &&
-                    !groupAccess)
+Label_GroupsDone:
+                if (!groupAccess)
                 {
                     m_log.WarnFormat("[CONNECTION BEGIN]: Denied access to: {0} ({1} {2}) at {3} because the user does not have access to the estate",
                                      agent.AgentID, agent.firstname, agent.lastname, RegionInfo.RegionName);
-                    reason = String.Format("Denied access to private region {0}: You are not on the access list for that region.",
-                                           RegionInfo.RegionName);
+                    reason = String.Format("Denied access to private region {0}: You do not have access to that region.",
+                                     RegionInfo.RegionName);
                     return false;
                 }
             }
 
-            // TODO: estate/region settings are not properly hooked up
-            // to ILandObject.isRestrictedFromLand()
-            // if (null != LandChannel)
-            // {
-            //     // region seems to have local Id of 1
-            //     ILandObject land = LandChannel.GetLandObject(1);
-            //     if (null != land)
-            //     {
-            //         if (land.isBannedFromLand(agent.AgentID))
-            //         {
-            //             m_log.WarnFormat("[CONNECTION BEGIN]: Denied access to: {0} ({1} {2}) at {3} because the user has been banned from land",
-            //                              agent.AgentID, agent.firstname, agent.lastname, RegionInfo.RegionName);
-            //             reason = String.Format("Denied access to private region {0}: You are banned from that region.",
-            //                                    RegionInfo.RegionName);
-            //             return false;
-            //         }
-
-            //         if (land.isRestrictedFromLand(agent.AgentID))
-            //         {
-            //             m_log.WarnFormat("[CONNECTION BEGIN]: Denied access to: {0} ({1} {2}) at {3} because the user does not have access to the region",
-            //                              agent.AgentID, agent.firstname, agent.lastname, RegionInfo.RegionName);
-            //             reason = String.Format("Denied access to private region {0}: You are not on the access list for that region.",
-            //                                    RegionInfo.RegionName);
-            //             return false;
-            //         }
-            //     }
-            // }
-
             return true;
         }
 
@@ -4449,7 +4495,7 @@ namespace OpenSim.Region.Framework.Scenes
 //        }
 
         /// <summary>
-        /// We've got an update about an agent that sees into this region, 
+        /// We've got an update about an agent that sees into this region,
         /// send it to ScenePresence for processing  It's the full data.
         /// </summary>
         /// <param name="cAgentData">Agent that contains all of the relevant things about an agent.
@@ -4460,8 +4506,25 @@ namespace OpenSim.Region.Framework.Scenes
             m_log.DebugFormat(
                 "[SCENE]: Incoming child agent update for {0} in {1}", cAgentData.AgentID, RegionInfo.RegionName);
 
+            if (!LoginsEnabled)
+            {
+//                reason = "Logins Disabled";
+                m_log.DebugFormat(
+                    "[SCENE]: update for {0} in {1} refused: Logins Disabled", cAgentData.AgentID, RegionInfo.RegionName);
+                return false;
+            }
+            // We have to wait until the viewer contacts this region after receiving EAC.
+            // That calls AddNewClient, which finally creates the ScenePresence
+            int flags = GetUserFlags(cAgentData.AgentID);
+            if (RegionInfo.EstateSettings.IsBanned(cAgentData.AgentID, flags))
+            {
+                m_log.DebugFormat("[SCENE]: Denying root agent entry to {0}: banned", cAgentData.AgentID);
+                return false;
+            }
+
             // TODO: This check should probably be in QueryAccess().
-            ILandObject nearestParcel = GetNearestAllowedParcel(cAgentData.AgentID, RegionInfo.RegionSizeX / 2, RegionInfo.RegionSizeY / 2);
+            ILandObject nearestParcel = GetNearestAllowedParcel(cAgentData.AgentID,
+                (float)RegionInfo.RegionSizeX * 0.5f, (float)RegionInfo.RegionSizeY  * 0.5f);
             if (nearestParcel == null)
             {
                 m_log.InfoFormat(
@@ -4472,20 +4535,26 @@ namespace OpenSim.Region.Framework.Scenes
             }
 
             // We have to wait until the viewer contacts this region
-            // after receiving the EnableSimulator HTTP Event Queue message (for the v1 teleport protocol) 
+            // after receiving the EnableSimulator HTTP Event Queue message (for the v1 teleport protocol)
             // or TeleportFinish (for the v2 teleport protocol).  This triggers the viewer to send
             // a UseCircuitCode packet which in turn calls AddNewAgent which finally creates the ScenePresence.
             ScenePresence sp = WaitGetScenePresence(cAgentData.AgentID);
 
             if (sp != null)
             {
+                if (!sp.IsChildAgent)
+                {
+                    m_log.WarnFormat("[SCENE]: Ignoring a child update on a root agent {0} {1} in {2}",
+                            sp.Name, sp.UUID, Name);
+                    return false;
+                }
                 if (cAgentData.SessionID != sp.ControllingClient.SessionId)
                 {
                     m_log.WarnFormat(
-                        "[SCENE]: Attempt to update agent {0} with invalid session id {1} (possibly from simulator in older version; tell them to update).", 
+                        "[SCENE]: Attempt to update agent {0} with invalid session id {1} (possibly from simulator in older version; tell them to update).",
                         sp.UUID, cAgentData.SessionID);
 
-                    Console.WriteLine(String.Format("[SCENE]: Attempt to update agent {0} ({1}) with invalid session id {2}", 
+                    Console.WriteLine(String.Format("[SCENE]: Attempt to update agent {0} ({1}) with invalid session id {2}",
                         sp.UUID, sp.ControllingClient.SessionId, cAgentData.SessionID));
                 }
 
@@ -4517,7 +4586,7 @@ namespace OpenSim.Region.Framework.Scenes
         }
 
         /// <summary>
-        /// We've got an update about an agent that sees into this region, 
+        /// We've got an update about an agent that sees into this region,
         /// send it to ScenePresence for processing  It's only positional data
         /// </summary>
         /// <param name="cAgentData">AgentPosition that contains agent positional data so we can know what to send</param>
@@ -4525,7 +4594,7 @@ namespace OpenSim.Region.Framework.Scenes
         public virtual bool IncomingUpdateChildAgent(AgentPosition cAgentData)
         {
 //            m_log.DebugFormat(
-//                "[SCENE PRESENCE]: IncomingChildAgentDataUpdate POSITION for {0} in {1}, position {2}", 
+//                "[SCENE PRESENCE]: IncomingChildAgentDataUpdate POSITION for {0} in {1}, position {2}",
 //                cAgentData.AgentID, Name, cAgentData.Position);
 
             ScenePresence childAgentUpdate = GetScenePresence(cAgentData.AgentID);
@@ -4533,7 +4602,7 @@ namespace OpenSim.Region.Framework.Scenes
             {
 //                if (childAgentUpdate.ControllingClient.SessionId != cAgentData.SessionID)
 //                    // Only warn for now
-//                    m_log.WarnFormat("[SCENE]: Attempt at updating position of agent {0} with invalid session id {1}. Neighbor running older version?", 
+//                    m_log.WarnFormat("[SCENE]: Attempt at updating position of agent {0} with invalid session id {1}. Neighbor running older version?",
 //                        childAgentUpdate.UUID, cAgentData.SessionID);
 
                 // I can't imagine *yet* why we would get an update if the agent is a root agent..
@@ -4563,10 +4632,10 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name='agentID'></param>
         protected virtual ScenePresence WaitGetScenePresence(UUID agentID)
         {
-            int ntimes = 20;
+            int ntimes = 120; // 30s
             ScenePresence sp = null;
             while ((sp = GetScenePresence(agentID)) == null && (ntimes-- > 0))
-                Thread.Sleep(1000);
+                Thread.Sleep(250);
 
             if (sp == null)
                 m_log.WarnFormat(
@@ -4593,7 +4662,7 @@ namespace OpenSim.Region.Framework.Scenes
             if (acd == null)
             {
                 m_log.DebugFormat(
-                    "[SCENE]: Request to close agent {0} but no such agent in scene {1}.  May have been closed previously.", 
+                    "[SCENE]: Request to close agent {0} but no such agent in scene {1}.  May have been closed previously.",
                     agentID, Name);
 
                 return false;
@@ -4606,13 +4675,23 @@ namespace OpenSim.Region.Framework.Scenes
             else
             {
                 m_log.WarnFormat(
-                    "[SCENE]: Request to close agent {0} with invalid authorization token {1} in {2}", 
+                    "[SCENE]: Request to close agent {0} with invalid authorization token {1} in {2}",
                     agentID, auth_token, Name);
             }
 
             return false;
         }
 
+//        public bool IncomingCloseAgent(UUID agentID)
+//        {
+//            return IncomingCloseAgent(agentID, false);
+//        }
+
+//        public bool IncomingCloseChildAgent(UUID agentID)
+//        {
+//            return IncomingCloseAgent(agentID, true);
+//        }
+
         /// <summary>
         /// Tell a single client to prepare to close.
         /// </summary>
@@ -4675,8 +4754,22 @@ namespace OpenSim.Region.Framework.Scenes
 
                 if (sp == null)
                 {
+                    // If there is no scene presence, we may be handling a dead
+                    // client. These can keep an avatar from reentering a region
+                    // and since they don't get cleaned up they will stick
+                    // around until region restart. So, if there is no SP,
+                    // remove the client as well.
+                    IClientAPI client = null;
+                    if (m_clientManager.TryGetValue(agentID, out client))
+                    {
+                        m_clientManager.Remove(agentID);
+                        if (CapsModule != null)
+                            CapsModule.RemoveCaps(agentID, 0);
+                        m_log.DebugFormat( "[SCENE]: Dead client for agent ID {0} was cleaned up in {1}", agentID, Name);
+                        return true;
+                    }
                     m_log.DebugFormat(
-                        "[SCENE]: Called CloseClient() with agent ID {0} but no such presence is in {1}", 
+                        "[SCENE]: Called CloseClient() with agent ID {0} but no such presence is in {1}",
                         agentID, Name);
 
                     return false;
@@ -4709,7 +4802,11 @@ namespace OpenSim.Region.Framework.Scenes
                 sp.LifecycleState = ScenePresenceState.Removing;
             }
 
-            sp.ControllingClient.Close(force);
+            if (sp != null)
+            {
+                sp.ControllingClient.Close(force, force);
+                return true;
+            }
 
             return true;
         }
@@ -4728,16 +4825,34 @@ namespace OpenSim.Region.Framework.Scenes
         public void RequestTeleportLocation(IClientAPI remoteClient, string regionName, Vector3 position,
                                             Vector3 lookat, uint teleportFlags)
         {
-            GridRegion region = GridService.GetRegionByName(RegionInfo.ScopeID, regionName);
+            if (EntityTransferModule == null)
+            {
+                m_log.DebugFormat("[SCENE]: Unable to perform teleports: no AgentTransferModule is active");
+                return;
+            }
 
-            if (region == null)
+            ScenePresence sp = GetScenePresence(remoteClient.AgentId);
+            if (sp == null || sp.IsDeleted || sp.IsInTransit)
+                return;
+
+            ulong regionHandle = 0;
+            if(regionName == RegionInfo.RegionName)
+                regionHandle = RegionInfo.RegionHandle;
+            else
+            {
+                GridRegion region = GridService.GetRegionByName(RegionInfo.ScopeID, regionName);
+                if (region != null)
+                    regionHandle = region.RegionHandle;
+            }
+
+            if(regionHandle == 0)
             {
                 // can't find the region: Tell viewer and abort
                 remoteClient.SendTeleportFailed("The region '" + regionName + "' could not be found.");
                 return;
             }
 
-            RequestTeleportLocation(remoteClient, region.RegionHandle, position, lookat, teleportFlags);
+            EntityTransferModule.Teleport(sp, regionHandle, position, lookat, teleportFlags);
         }
 
         /// <summary>
@@ -4751,19 +4866,17 @@ namespace OpenSim.Region.Framework.Scenes
         public void RequestTeleportLocation(IClientAPI remoteClient, ulong regionHandle, Vector3 position,
                                             Vector3 lookAt, uint teleportFlags)
         {
-            ScenePresence sp = GetScenePresence(remoteClient.AgentId);
-            if (sp != null)
+            if (EntityTransferModule == null)
             {
-                if (EntityTransferModule != null)
-                {
-                    EntityTransferModule.Teleport(sp, regionHandle, position, lookAt, teleportFlags);
-                }
-                else
-                {
-                    m_log.DebugFormat("[SCENE]: Unable to perform teleports: no AgentTransferModule is active");
-                    sp.ControllingClient.SendTeleportFailed("Unable to perform teleports on this simulator.");
-                }
+                m_log.DebugFormat("[SCENE]: Unable to perform teleports: no AgentTransferModule is active");
+                return;
             }
+
+            ScenePresence sp = GetScenePresence(remoteClient.AgentId);
+            if (sp == null || sp.IsDeleted || sp.IsInTransit)
+                return;
+
+            EntityTransferModule.Teleport(sp, regionHandle, position, lookAt, teleportFlags);
         }
 
         public bool CrossAgentToNewRegion(ScenePresence agent, bool isFlying)
@@ -4871,7 +4984,10 @@ namespace OpenSim.Region.Framework.Scenes
 
         public LandData GetLandData(float x, float y)
         {
-            return LandChannel.GetLandObject(x, y).LandData;
+            ILandObject parcel = LandChannel.GetLandObject(x, y);
+            if (parcel == null)
+                return null;
+            return parcel.LandData;
         }
 
         /// <summary>
@@ -4886,72 +5002,69 @@ namespace OpenSim.Region.Framework.Scenes
 
         public LandData GetLandData(uint x, uint y)
         {
-            m_log.DebugFormat("[SCENE]: returning land for {0},{1}", x, y);
-            return LandChannel.GetLandObject((int)x, (int)y).LandData;
+//            m_log.DebugFormat("[SCENE]: returning land for {0},{1}", x, y);
+            ILandObject parcel = LandChannel.GetLandObject((int)x, (int)y);
+            if (parcel == null)
+                return null;
+            return parcel.LandData;
         }
 
         #endregion
 
         #region Script Engine
-
-        private bool ScriptDanger(SceneObjectPart part, Vector3 pos)
+        public bool LSLScriptDanger(SceneObjectPart part, Vector3 pos)
         {
+
             ILandObject parcel = LandChannel.GetLandObject(pos.X, pos.Y);
-            if (part != null)
-            {
-                if (parcel != null)
-                {
-                    if ((parcel.LandData.Flags & (uint)ParcelFlags.AllowOtherScripts) != 0)
-                    {
-                        return true;
-                    }
-                    else if ((part.OwnerID == parcel.LandData.OwnerID) || Permissions.IsGod(part.OwnerID))
-                    {
-                        return true;
-                    }
-                    else if (((parcel.LandData.Flags & (uint)ParcelFlags.AllowGroupScripts) != 0)
-                        && (parcel.LandData.GroupID != UUID.Zero) && (parcel.LandData.GroupID == part.GroupID))
-                    {
-                        return true;
-                    }
-                    else
-                    {
-                        return false;
-                    }
-                }
-                else
-                {
+            if (parcel == null)
+                return true;
+            
+            LandData ldata = parcel.LandData;
+            if (ldata == null)
+                return true;
+     
+            uint landflags = ldata.Flags;
+        
+            uint mask = (uint)(ParcelFlags.CreateObjects | ParcelFlags.AllowAPrimitiveEntry);
+            if((landflags & mask) != mask)
+                return true;
+ 
+            if((landflags & (uint)ParcelFlags.AllowOtherScripts) != 0)
+                return false;
 
-                    if (pos.X > 0f && pos.X < RegionInfo.RegionSizeX && pos.Y > 0f && pos.Y < RegionInfo.RegionSizeY)
-                    {
-                        // The only time parcel != null when an object is inside a region is when
-                        // there is nothing behind the landchannel.  IE, no land plugin loaded.
-                        return true;
-                    }
-                    else
-                    {
-                        // The object is outside of this region.  Stop piping events to it.
-                        return false;
-                    }
-                }
-            }
-            else
-            {
+            if(part == null)
+                return true;
+            if(part.GroupID == ldata.GroupID && (landflags & (uint)ParcelFlags.AllowGroupScripts) != 0)
                 return false;
-            }
+
+            return true;
         }
 
-        public bool ScriptDanger(uint localID, Vector3 pos)
+        private bool ScriptDanger(SceneObjectPart part, Vector3 pos)
         {
-            SceneObjectPart part = GetSceneObjectPart(localID);
-            if (part != null)
+            if (part == null)
+                return false;
+
+            ILandObject parcel = LandChannel.GetLandObject(pos.X, pos.Y);
+            if (parcel != null)
             {
-                return ScriptDanger(part, pos);
+                if ((parcel.LandData.Flags & (uint)ParcelFlags.AllowOtherScripts) != 0)
+                    return true;
+
+                if ((part.OwnerID == parcel.LandData.OwnerID) || Permissions.IsGod(part.OwnerID))
+                    return true;
+
+                if (((parcel.LandData.Flags & (uint)ParcelFlags.AllowGroupScripts) != 0)
+                    && (parcel.LandData.GroupID != UUID.Zero) && (parcel.LandData.GroupID == part.GroupID))
+                    return true;
             }
             else
             {
-                return false;
+                if (pos.X > 0f && pos.X < RegionInfo.RegionSizeX && pos.Y > 0f && pos.Y < RegionInfo.RegionSizeY)
+                    return true;
             }
+
+            return false;
         }
 
         public bool PipeEventsForScript(uint localID)
@@ -5177,7 +5290,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// Get a scene object group that contains the prim with the given local id
         /// </summary>
         /// <param name="localID"></param>
-        /// <returns>null if no scene object group containing that prim is found</returns>        
+        /// <returns>null if no scene object group containing that prim is found</returns>
         public SceneObjectGroup GetGroupByPrim(uint localID)
         {
             return m_sceneGraph.GetGroupByPrim(localID);
@@ -5187,7 +5300,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// Get a scene object group that contains the prim with the given uuid
         /// </summary>
         /// <param name="fullID"></param>
-        /// <returns>null if no scene object group containing that prim is found</returns>     
+        /// <returns>null if no scene object group containing that prim is found</returns>
         public SceneObjectGroup GetGroupByPrim(UUID fullID)
         {
             return m_sceneGraph.GetGroupByPrim(fullID);
@@ -5221,7 +5334,12 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="action"></param>
         public void ForEachClient(Action<IClientAPI> action)
         {
-            m_clientManager.ForEachSync(action);
+            m_clientManager.ForEach(action);
+        }
+
+        public int GetNumberOfClients()
+        {
+            return m_clientManager.Count;
         }
 
         public bool TryGetClient(UUID avatarID, out IClientAPI client)
@@ -5264,6 +5382,7 @@ namespace OpenSim.Region.Framework.Scenes
 
         public void CleanTempObjects()
         {
+            DateTime now =  DateTime.UtcNow;
             EntityBase[] entities = GetEntities();
             foreach (EntityBase obj in entities)
             {
@@ -5275,13 +5394,12 @@ namespace OpenSim.Region.Framework.Scenes
                     {
                         if ((grp.RootPart.Flags & PrimFlags.TemporaryOnRez) != 0)
                         {
-                            if (grp.RootPart.Expires <= DateTime.Now)
+                            if (grp.GetSittingAvatarsCount() == 0 && grp.RootPart.Expires <= now)
                                 DeleteSceneObject(grp, false);
                         }
                     }
                 }
             }
-
         }
 
         public void DeleteFromStorage(UUID uuid)
@@ -5289,7 +5407,7 @@ namespace OpenSim.Region.Framework.Scenes
             SimulationDataService.RemoveObject(uuid, RegionInfo.RegionID);
         }
 
-        public int GetHealth()
+        public int GetHealth(out int flags, out string message)
         {
             // Returns:
             // 1 = sim is up and accepting http requests. The heartbeat has
@@ -5297,27 +5415,74 @@ namespace OpenSim.Region.Framework.Scenes
             // admin restart may succeed
             //
             // 2 = Sim is up and the heartbeat is running. The sim is likely
-            // usable for people within and logins _may_ work
+            // usable for people within
+            //
+            // 3 = Sim is up and one packet thread is running. Sim is
+            // unstable and will not accept new logins
             //
-            // 3 = We have seen a new user enter within the past 4 minutes
+            // 4 = Sim is up and both packet threads are running. Sim is
+            // likely usable
+            //
+            // 5 = We have seen a new user enter within the past 4 minutes
             // which can be seen as positive confirmation of sim health
             //
             int health = 1; // Start at 1, means we're up
 
-            if ((Util.EnvironmentTickCountSubtract(m_lastFrameTick)) < 1000)
-                health += 1;
+            flags = 0;
+            message = String.Empty;
+
+            CheckHeartbeat();
+
+            if (m_firstHeartbeat || (m_lastIncoming == 0 && m_lastOutgoing == 0))
+            {
+                // We're still starting
+                // 0 means "in startup", it can't happen another way, since
+                // to get here, we must be able to accept http connections
+                return 0;
+            }
+
+            if ((Util.EnvironmentTickCountSubtract(m_lastFrameTick)) < 2000)
+            {
+                health+=1;
+                flags |= 1;
+            }
+
+            if (Util.EnvironmentTickCountSubtract(m_lastIncoming) < 2000)
+            {
+                health+=1;
+                flags |= 2;
+            }
+
+            if (Util.EnvironmentTickCountSubtract(m_lastOutgoing) < 2000)
+            {
+                health+=1;
+                flags |= 4;
+            }
+            /*
             else
+            {
+int pid = System.Diagnostics.Process.GetCurrentProcess().Id;
+System.Diagnostics.Process proc = new System.Diagnostics.Process();
+proc.EnableRaisingEvents=false;
+proc.StartInfo.FileName = "/bin/kill";
+proc.StartInfo.Arguments = "-QUIT " + pid.ToString();
+proc.Start();
+proc.WaitForExit();
+Thread.Sleep(1000);
+Environment.Exit(1);
+            }
+            */
+
+            if (flags != 7)
                 return health;
 
             // A login in the last 4 mins? We can't be doing too badly
             //
-            if ((Util.EnvironmentTickCountSubtract(m_LastLogin)) < 240000)
+            if (Util.EnvironmentTickCountSubtract(m_LastLogin) < 240000)
                 health++;
             else
                 return health;
 
-//            CheckHeartbeat();
-
             return health;
         }
 
@@ -5405,7 +5570,7 @@ namespace OpenSim.Region.Framework.Scenes
             bool wasUsingPhysics = ((jointProxyObject.Flags & PrimFlags.Physics) != 0);
             if (wasUsingPhysics)
             {
-                jointProxyObject.UpdatePrimFlags(false, false, true, false); // FIXME: possible deadlock here; check to make sure all the scene alterations set into motion here won't deadlock
+                jointProxyObject.UpdatePrimFlags(false, false, true, false,false); // FIXME: possible deadlock here; check to make sure all the scene alterations set into motion here won't deadlock
             }
         }
 
@@ -5508,14 +5673,14 @@ namespace OpenSim.Region.Framework.Scenes
             return (((vsn.X * xdiff) + (vsn.Y * ydiff)) / (-1 * vsn.Z)) + p0.Z;
         }
 
-//        private void CheckHeartbeat()
-//        {
-//            if (m_firstHeartbeat)
-//                return;
-//
-//            if (Util.EnvironmentTickCountSubtract(m_lastFrameTick) > 2000)
-//                StartTimer();
-//        }
+        private void CheckHeartbeat()
+        {
+            if (m_firstHeartbeat)
+                return;
+
+            if ((Util.EnvironmentTickCountSubtract(m_lastFrameTick)) > 5000)
+                Start();
+        }
 
         public override ISceneObject DeserializeObject(string representation)
         {
@@ -5534,27 +5699,26 @@ namespace OpenSim.Region.Framework.Scenes
 
         public Vector3 GetNearestAllowedPosition(ScenePresence avatar, ILandObject excludeParcel)
         {
-            ILandObject nearestParcel = GetNearestAllowedParcel(avatar.UUID, avatar.AbsolutePosition.X, avatar.AbsolutePosition.Y, excludeParcel);
+            Vector3 pos = avatar.AbsolutePosition;
+
+            ILandObject nearestParcel = GetNearestAllowedParcel(avatar.UUID, pos.X, pos.Y, excludeParcel);
 
             if (nearestParcel != null)
             {
-                Vector3 dir = Vector3.Normalize(Vector3.Multiply(avatar.Velocity, -1));
-                //Try to get a location that feels like where they came from
-                Vector3? nearestPoint = GetNearestPointInParcelAlongDirectionFromPoint(avatar.AbsolutePosition, dir, nearestParcel);
-                if (nearestPoint != null)
-                {
-                    m_log.Debug("Found a sane previous position based on velocity, sending them to: " + nearestPoint.ToString());
-                    return nearestPoint.Value;
-                }
+                Vector2? nearestPoint = null;
+                Vector3 dir = -avatar.Velocity;
+                float dirlen = dir.Length();
+                if(dirlen > 1.0f)
+                    //Try to get a location that feels like where they came from
+                    nearestPoint = nearestParcel.GetNearestPointAlongDirection(pos, dir);
+
+                if (nearestPoint == null)
+                    nearestPoint = nearestParcel.GetNearestPoint(pos);
 
-                //Sometimes velocity might be zero (local teleport), so try finding point along path from avatar to center of nearest parcel
-                Vector3 directionToParcelCenter = Vector3.Subtract(GetParcelCenterAtGround(nearestParcel), avatar.AbsolutePosition);
-                dir = Vector3.Normalize(directionToParcelCenter);
-                nearestPoint = GetNearestPointInParcelAlongDirectionFromPoint(avatar.AbsolutePosition, dir, nearestParcel);
                 if (nearestPoint != null)
                 {
-                    m_log.Debug("They had a zero velocity, sending them to: " + nearestPoint.ToString());
-                    return nearestPoint.Value;
+                    return GetPositionAtAvatarHeightOrGroundHeight(avatar,
+                            nearestPoint.Value.X, nearestPoint.Value.Y);
                 }
 
                 ILandObject dest = LandChannel.GetLandObject(avatar.lastKnownAllowedPosition.X, avatar.lastKnownAllowedPosition.Y);
@@ -5572,32 +5736,16 @@ namespace OpenSim.Region.Framework.Scenes
             //Go to the edge, this happens in teleporting to a region with no available parcels
             Vector3 nearestRegionEdgePoint = GetNearestRegionEdgePosition(avatar);
 
-            //m_log.Debug("They are really in a place they don't belong, sending them to: " + nearestRegionEdgePoint.ToString());
-
+            //Debug.WriteLine("They are really in a place they don't belong, sending them to: " + nearestRegionEdgePoint.ToString());
             return nearestRegionEdgePoint;
         }
 
         private Vector3 GetParcelCenterAtGround(ILandObject parcel)
         {
-            Vector2 center = GetParcelCenter(parcel);
+            Vector2 center = parcel.CenterPoint;
             return GetPositionAtGround(center.X, center.Y);
         }
 
-        private Vector3? GetNearestPointInParcelAlongDirectionFromPoint(Vector3 pos, Vector3 direction, ILandObject parcel)
-        {
-            Vector3 unitDirection = Vector3.Normalize(direction);
-            //Making distance to search go through some sane limit of distance
-            for (float distance = 0; distance < Math.Max(RegionInfo.RegionSizeX, RegionInfo.RegionSizeY) * 2; distance += .5f)
-            {
-                Vector3 testPos = Vector3.Add(pos, Vector3.Multiply(unitDirection, distance));
-                if (parcel.ContainsPoint((int)testPos.X, (int)testPos.Y))
-                {
-                    return testPos;
-                }
-            }
-            return null;
-        }
-
         public ILandObject GetNearestAllowedParcel(UUID avatarId, float x, float y)
         {
             return GetNearestAllowedParcel(avatarId, x, y, null);
@@ -5605,18 +5753,30 @@ namespace OpenSim.Region.Framework.Scenes
 
         public ILandObject GetNearestAllowedParcel(UUID avatarId, float x, float y, ILandObject excludeParcel)
         {
-            List<ILandObject> all = AllParcels();
-            float minParcelDistance = float.MaxValue;
+            if(LandChannel == null)
+                return null;
+
+            List<ILandObject> all = LandChannel.AllParcels();
+
+            if(all == null || all.Count == 0)
+                return null;
+
+            float minParcelDistanceSQ = float.MaxValue;
             ILandObject nearestParcel = null;
+            Vector2 curCenter;
+            float parcelDistanceSQ;
 
             foreach (var parcel in all)
             {
-                if (!parcel.IsEitherBannedOrRestricted(avatarId) && parcel != excludeParcel)
+                if (parcel != excludeParcel && !parcel.IsEitherBannedOrRestricted(avatarId))
                 {
-                    float parcelDistance = GetParcelDistancefromPoint(parcel, x, y);
-                    if (parcelDistance < minParcelDistance)
+                    curCenter = parcel.CenterPoint;
+                    curCenter.X -= x;
+                    curCenter.Y -= y;
+                    parcelDistanceSQ = curCenter.LengthSquared();
+                    if (parcelDistanceSQ < minParcelDistanceSQ)
                     {
-                        minParcelDistance = parcelDistance;
+                        minParcelDistanceSQ = parcelDistanceSQ;
                         nearestParcel = parcel;
                     }
                 }
@@ -5625,82 +5785,52 @@ namespace OpenSim.Region.Framework.Scenes
             return nearestParcel;
         }
 
-        private List<ILandObject> AllParcels()
-        {
-            return LandChannel.AllParcels();
-        }
-
-        private float GetParcelDistancefromPoint(ILandObject parcel, float x, float y)
-        {
-            return Vector2.Distance(new Vector2(x, y), GetParcelCenter(parcel));
-        }
-
-        //calculate the average center point of a parcel
-        private Vector2 GetParcelCenter(ILandObject parcel)
+        private Vector2 GetParcelSafeCorner(ILandObject parcel)
         {
-            int count = 0;
-            int avgx = 0;
-            int avgy = 0;
-            for (int x = 0; x < RegionInfo.RegionSizeX; x++)
-            {
-                for (int y = 0; y < RegionInfo.RegionSizeY; y++)
-                {
-                    //Just keep a running average as we check if all the points are inside or not
-                    if (parcel.ContainsPoint(x, y))
-                    {
-                        if (count == 0)
-                        {
-                            avgx = x;
-                            avgy = y;
-                        }
-                        else
-                        {
-                            avgx = (avgx * count + x) / (count + 1);
-                            avgy = (avgy * count + y) / (count + 1);
-                        }
-                        count += 1;
-                    }
-                }
-            }
-            return new Vector2(avgx, avgy);
+            Vector2 place = parcel.StartPoint;
+            place.X += 2f;
+            place.Y += 2f;
+            return place;
         }
 
         private Vector3 GetNearestRegionEdgePosition(ScenePresence avatar)
         {
-            float xdistance = avatar.AbsolutePosition.X < RegionInfo.RegionSizeX / 2
-                                ? avatar.AbsolutePosition.X : RegionInfo.RegionSizeX - avatar.AbsolutePosition.X;
-            float ydistance = avatar.AbsolutePosition.Y < RegionInfo.RegionSizeY / 2
-                                ? avatar.AbsolutePosition.Y : RegionInfo.RegionSizeY - avatar.AbsolutePosition.Y;
+            float posX = avatar.AbsolutePosition.X;
+            float posY = avatar.AbsolutePosition.Y;
+            float regionSizeX = RegionInfo.RegionSizeX;
+            float halfRegionSizeX = regionSizeX * 0.5f;
+            float regionSizeY = RegionInfo.RegionSizeY;
+            float halfRegionSizeY = regionSizeY * 0.5f;
+
+            float xdistance = posX < halfRegionSizeX ? posX : regionSizeX - posX;
+            float ydistance = posY < halfRegionSizeY ? posY : regionSizeY - posY;
 
             //find out what vertical edge to go to
             if (xdistance < ydistance)
             {
-                if (avatar.AbsolutePosition.X < RegionInfo.RegionSizeX / 2)
-                {
-                    return GetPositionAtAvatarHeightOrGroundHeight(avatar, 0.0f, avatar.AbsolutePosition.Y);
-                }
+                if (posX < halfRegionSizeX)
+                    return GetPositionAtAvatarHeightOrGroundHeight(avatar, 0.5f, posY);
                 else
-                {
-                    return GetPositionAtAvatarHeightOrGroundHeight(avatar, RegionInfo.RegionSizeY, avatar.AbsolutePosition.Y);
-                }
+                    return GetPositionAtAvatarHeightOrGroundHeight(avatar, regionSizeX - 0.5f, posY);
             }
             //find out what horizontal edge to go to
             else
             {
-                if (avatar.AbsolutePosition.Y < RegionInfo.RegionSizeY / 2)
-                {
-                    return GetPositionAtAvatarHeightOrGroundHeight(avatar, avatar.AbsolutePosition.X, 0.0f);
-                }
+                if (posY < halfRegionSizeY)
+                    return GetPositionAtAvatarHeightOrGroundHeight(avatar, posX, 0.5f);
                 else
-                {
-                    return GetPositionAtAvatarHeightOrGroundHeight(avatar, avatar.AbsolutePosition.X, RegionInfo.RegionSizeY);
-                }
+                    return GetPositionAtAvatarHeightOrGroundHeight(avatar, posX, regionSizeY - 0.5f);
             }
         }
 
         private Vector3 GetPositionAtAvatarHeightOrGroundHeight(ScenePresence avatar, float x, float y)
         {
             Vector3 ground = GetPositionAtGround(x, y);
+            if(avatar.Appearance != null)
+                ground.Z += avatar.Appearance.AvatarHeight * 0.5f;
+            else
+                ground.Z += 0.8f;
+
             if (avatar.AbsolutePosition.Z > ground.Z)
             {
                 ground.Z = avatar.AbsolutePosition.Z;
@@ -5780,7 +5910,7 @@ namespace OpenSim.Region.Framework.Scenes
                 g.GetAxisAlignedBoundingBoxRaw(out ominX, out omaxX, out ominY, out omaxY, out ominZ, out omaxZ);
 
 //                m_log.DebugFormat(
-//                    "[SCENE]: For {0} found AxisAlignedBoundingBoxRaw {1}, {2}", 
+//                    "[SCENE]: For {0} found AxisAlignedBoundingBoxRaw {1}, {2}",
 //                    g.Name, new Vector3(ominX, ominY, ominZ), new Vector3(omaxX, omaxY, omaxZ));
 
                 ominX += vec.X;
@@ -5829,7 +5959,55 @@ namespace OpenSim.Region.Framework.Scenes
                 mapModule.GenerateMaptile();
         }
 
-        private void RegenerateMaptileAndReregister(object sender, ElapsedEventArgs e)
+//        public void CleanDroppedAttachments()
+//        {
+//            List<SceneObjectGroup> objectsToDelete =
+//                    new List<SceneObjectGroup>();
+//
+//            lock (m_cleaningAttachments)
+//            {
+//                ForEachSOG(delegate (SceneObjectGroup grp)
+//                        {
+//                            if (grp.RootPart.Shape.PCode == 0 && grp.RootPart.Shape.State != 0 && (!objectsToDelete.Contains(grp)))
+//                            {
+//                                UUID agentID = grp.OwnerID;
+//                                if (agentID == UUID.Zero)
+//                                {
+//                                    objectsToDelete.Add(grp);
+//                                    return;
+//                                }
+//
+//                                ScenePresence sp = GetScenePresence(agentID);
+//                                if (sp == null)
+//                                {
+//                                    objectsToDelete.Add(grp);
+//                                    return;
+//                                }
+//                            }
+//                        });
+//            }
+//
+//            foreach (SceneObjectGroup grp in objectsToDelete)
+//            {
+//                m_log.InfoFormat("[SCENE]: Deleting dropped attachment {0} of user {1}", grp.UUID, grp.OwnerID);
+//                DeleteSceneObject(grp, true);
+//            }
+//        }
+
+        public void ThreadAlive(int threadCode)
+        {
+            switch(threadCode)
+            {
+                case 1: // Incoming
+                    m_lastIncoming = Util.EnvironmentTickCount();
+                    break;
+                case 2: // Incoming
+                    m_lastOutgoing = Util.EnvironmentTickCount();
+                    break;
+            }
+        }
+
+        public void RegenerateMaptileAndReregister(object sender, ElapsedEventArgs e)
         {
             RegenerateMaptile();
 
@@ -5861,13 +6039,16 @@ namespace OpenSim.Region.Framework.Scenes
             reason = string.Empty;
 
             if (Permissions.IsGod(agentID))
-            {
-                reason = String.Empty;
                 return true;
-            }
 
             if (!AllowAvatarCrossing && !viaTeleport)
+            {
+                reason = "Region Crossing not allowed";
                 return false;
+            }
+
+            bool isAdmin = Permissions.IsAdministrator(agentID);
+            bool isManager = Permissions.IsEstateManager(agentID);
 
             // 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.
@@ -5877,7 +6058,7 @@ namespace OpenSim.Region.Framework.Scenes
 
             if (num >= RegionInfo.RegionSettings.AgentLimit)
             {
-                if (!Permissions.IsAdministrator(agentID))
+                if (!(isAdmin || isManager))
                 {
                     reason = "The region is full";
 
@@ -5915,6 +6096,7 @@ namespace OpenSim.Region.Framework.Scenes
                 if (!AuthorizeUser(aCircuit, false, out reason))
                 {
                     //m_log.DebugFormat("[SCENE]: Denying access for {0}", agentID);
+//                    reason = "Region authorization fail";
                     return false;
                 }
             }
@@ -5925,52 +6107,101 @@ namespace OpenSim.Region.Framework.Scenes
                 return false;
             }
 
-            if (viaTeleport)
+            // last check aditional land access restrictions and relocations
+            // if crossing (viaTeleport false) check only the specified parcel
+            return CheckLandPositionAccess(agentID, viaTeleport, true, position, out reason);
+        }
+
+        // check access to land.
+        public bool CheckLandPositionAccess(UUID agentID, bool NotCrossing, bool checkTeleHub, Vector3 position, out string reason)
+        {
+            reason = string.Empty;
+
+            if (Permissions.IsGod(agentID))
+                return true;
+
+            // Permissions.IsAdministrator is the same as IsGod for now
+//            bool isAdmin = Permissions.IsAdministrator(agentID);
+//            if(isAdmin)
+//                return true;
+
+            // also honor estate managers access rights
+            bool isManager = Permissions.IsEstateManager(agentID);
+            if(isManager)
+                return true;
+
+            if (NotCrossing)
             {
                 if (!RegionInfo.EstateSettings.AllowDirectTeleport)
                 {
                     SceneObjectGroup telehub;
-                    if (RegionInfo.RegionSettings.TelehubObject != UUID.Zero && (telehub = GetSceneObjectGroup(RegionInfo.RegionSettings.TelehubObject)) != null)
+                    if (RegionInfo.RegionSettings.TelehubObject != UUID.Zero && (telehub = GetSceneObjectGroup  (RegionInfo.RegionSettings.TelehubObject)) != null && checkTeleHub)
                     {
-                        List<SpawnPoint> spawnPoints = RegionInfo.RegionSettings.SpawnPoints();
                         bool banned = true;
-                        foreach (SpawnPoint sp in spawnPoints)
+                        bool validTelehub = false;
+                        List<SpawnPoint> spawnPoints = RegionInfo.RegionSettings.SpawnPoints();
+                        Vector3 spawnPoint;
+                        ILandObject land = null;
+                        Vector3 telehubPosition = telehub.AbsolutePosition;
+
+                        if(spawnPoints.Count == 0)
                         {
-                            Vector3 spawnPoint = sp.GetLocation(telehub.AbsolutePosition, telehub.GroupRotation);
-                            ILandObject land = LandChannel.GetLandObject(spawnPoint.X, spawnPoint.Y);
-                            if (land == null)
-                                continue;
-                            if (land.IsEitherBannedOrRestricted(agentID))
-                                continue;
-                            banned = false;
-                            break;
+                            // will this ever happen?
+                            // if so use the telehub object position
+                            spawnPoint = telehubPosition;
+                            land = LandChannel.GetLandObject(spawnPoint.X, spawnPoint.Y);
+                            if(land != null && !land.IsEitherBannedOrRestricted(agentID))
+                            {
+                                banned = false;
+                                validTelehub = true;
+                            }
+                        }
+                        else
+                        {
+                            Quaternion telehubRotation = telehub.GroupRotation;
+                            foreach (SpawnPoint spawn in spawnPoints)
+                            {
+                                spawnPoint = spawn.GetLocation(telehubPosition, telehubRotation);
+                                land = LandChannel.GetLandObject(spawnPoint.X, spawnPoint.Y);
+                                if (land == null)
+                                    continue;
+                                validTelehub = true;
+                                if (!land.IsEitherBannedOrRestricted(agentID))
+                                {
+                                    banned = false;
+                                    break;
+                                }
+                            }
                         }
 
-                        if (banned)
+                        if(validTelehub)
                         {
-                            if (Permissions.IsAdministrator(agentID) == false || Permissions.IsGridGod(agentID) == false)
+                            if (banned)
                             {
                                 reason = "No suitable landing point found";
                                 return false;
                             }
-                            reason = "Administrative access only";
-                            return true;
+                            else
+                                return true;
                         }
+                       // possible broken telehub, fall into normal check
                     }
                 }
 
-                float posX = 128.0f;
-                float posY = 128.0f;
+                float posX = position.X;
+                float posY = position.Y;
 
+                // allow position relocation
                 if (!TestLandRestrictions(agentID, out reason, ref posX, ref posY))
                 {
                     // m_log.DebugFormat("[SCENE]: Denying {0} because they are banned on all parcels", agentID);
-                    reason = "You are banned from the region on all parcels";
+                    reason = "You dont have access to the region parcels";
                     return false;
                 }
             }
-            else // Walking
+            else // check for query region crossing only
             {
+                // no relocation allowed on crossings
                 ILandObject land = LandChannel.GetLandObject(position.X, position.Y);
                 if (land == null)
                 {
@@ -5991,11 +6222,48 @@ namespace OpenSim.Region.Framework.Scenes
                 }
             }
 
-            reason = String.Empty;
             return true;
         }
 
-        /// <summary>
+        public void StartTimerWatchdog()
+        {
+            m_timerWatchdog.Interval = 1000;
+            m_timerWatchdog.Elapsed += TimerWatchdog;
+            m_timerWatchdog.AutoReset = true;
+            m_timerWatchdog.Start();
+        }
+
+        public void TimerWatchdog(object sender, ElapsedEventArgs e)
+        {
+            CheckHeartbeat();
+
+            IEtcdModule etcd = RequestModuleInterface<IEtcdModule>();
+            int flags;
+            string message;
+            if (etcd != null)
+            {
+                int health = GetHealth(out flags, out message);
+                if (health != m_lastHealth)
+                {
+                    m_lastHealth = health;
+
+                    etcd.Store("Health", health.ToString(), 300000);
+                    etcd.Store("HealthFlags", flags.ToString(), 300000);
+                }
+
+                int roots = 0;
+                foreach (ScenePresence sp in GetScenePresences())
+                    if (!sp.IsChildAgent && !sp.IsNPC)
+                        roots++;
+
+                if (m_lastUsers != roots)
+                {
+                    m_lastUsers = roots;
+                    etcd.Store("RootAgents", roots.ToString(), 300000);
+                }
+            }
+        }
+
         /// This method deals with movement when an avatar is automatically moving (but this is distinct from the
         /// autopilot that moves an avatar to a sit target!.
         /// </summary>
@@ -6003,6 +6271,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// This is not intended as a permament location for this method.
         /// </remarks>
         /// <param name="presence"></param>
+/* move to target is now done on presence update
         private void HandleOnSignificantClientMovement(ScenePresence presence)
         {
             if (presence.MovingToTarget)
@@ -6059,7 +6328,7 @@ namespace OpenSim.Region.Framework.Scenes
                 }
             }
         }
-
+*/
         // manage and select spawn points in sequence
         public int SpawnPoint()
         {
@@ -6074,8 +6343,13 @@ namespace OpenSim.Region.Framework.Scenes
             return m_SpawnPoint - 1;
         }
 
+        private void HandleGcCollect(string module, string[] args)
+        {
+            GC.Collect();
+        }
+
         /// <summary>
-        /// Wrappers to get physics modules retrieve assets. 
+        /// Wrappers to get physics modules retrieve assets.
         /// </summary>
         /// <remarks>
         /// Has to be done this way
@@ -6144,5 +6418,21 @@ namespace OpenSim.Region.Framework.Scenes
 
             m_eventManager.TriggerExtraSettingChanged(this, name, String.Empty);
         }
+
+        public bool InTeleportTargetsCoolDown(UUID sourceID, UUID targetID, double timeout)
+        {
+            lock(TeleportTargetsCoolDown)
+            {
+                UUID lastSource = UUID.Zero;
+                TeleportTargetsCoolDown.TryGetValue(targetID, out lastSource);
+                if(lastSource == UUID.Zero)
+                {
+                    TeleportTargetsCoolDown.Add(targetID, sourceID, timeout);
+                    return false;
+                }
+                TeleportTargetsCoolDown.AddOrUpdate(targetID, sourceID, timeout);
+                return lastSource == sourceID;
+            }
+        }
     }
 }