1 files changed, 850 insertions, 489 deletions
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index 2fe6e22..2fcb78d 100755
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -61,8 +61,7 @@ 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);
@@ -105,9 +104,10 @@ namespace OpenSim.Region.Framework.Scenes
        /// <summary>
        /// If false then physical objects are disabled, though collisions will continue as normal.
        /// </summary>
-        public bool PhysicsEnabled
-        {
+        public bool PhysicsEnabled 
-            get
+        { 
+            get 
            {
                return m_physicsEnabled;
            }
@@ -216,7 +216,7 @@ 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
@@ -228,10 +228,16 @@ 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; }
+        /// Max prims an Physical object will hold
+        /// </summary>
+        /// 
+        public int m_linksetPhysCapacity = 0;
        public bool m_useFlySlow;
        public bool m_useTrashOnDelete = true;
@@ -265,20 +271,17 @@ namespace OpenSim.Region.Framework.Scenes
        /// </summary>
        public int ChildTerseUpdatePeriod { get; set; }
-        protected float m_defaultDrawDistance = 255.0f;
+        protected float m_defaultDrawDistance = 255f;
        public float DefaultDrawDistance
        {
-            // get { return m_defaultDrawDistance; }
+             get { return m_defaultDrawDistance; }
-            get
+        }
-            {
-                if (RegionInfo != null)
-                {
-                    float largestDimension = Math.Max(RegionInfo.RegionSizeX, RegionInfo.RegionSizeY);
-                    m_defaultDrawDistance = Math.Max(m_defaultDrawDistance, largestDimension);
-                }
+        protected float m_maxDrawDistance = 512.0f;
-                return m_defaultDrawDistance;
+//        protected float m_maxDrawDistance = 256.0f;
-            }
+        public float MaxDrawDistance
+        {
+            get { return m_maxDrawDistance; }
        }
        private List<string> m_AllowedViewers = new List<string>();
@@ -287,8 +290,8 @@ 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 bool m_seeIntoBannedRegion = false;
-        public int MaxUndoCount { get; set; }
+        public int MaxUndoCount = 5;
        public bool SeeIntoRegion { get; set; }
@@ -306,11 +309,13 @@ 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 +344,6 @@ 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
@@ -364,24 +358,9 @@ namespace OpenSim.Region.Framework.Scenes
        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
+        /// Frame time
-        /// 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 MinFrameTicks
+                public float FrameTime { get; private set; }
-        {
-            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; }
@@ -395,17 +374,7 @@ namespace OpenSim.Region.Framework.Scenes
        /// <remarks>
        /// Always derived from MinFrameTicks.
        /// </remarks>
-        public float MinFrameSeconds { get; private set; }
+                public float MinMaintenanceTime { 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;
@@ -413,22 +382,23 @@ namespace OpenSim.Region.Framework.Scenes
        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_terrain = 1000;
+        private int m_update_land = 10;
        private int m_update_coarse_locations = 50;
        private int m_update_temp_cleaning = 180;
-        private int agentMS;
+        private float agentMS;
-        private int frameMS;
+        private float frameMS;
-        private int physicsMS2;
+        private float physicsMS2;
-        private int physicsMS;
+        private float physicsMS;
-        private int otherMS;
+        private float otherMS;
-        private int tempOnRezMS;
+        private float tempOnRezMS;
-        private int eventMS;
+        private float eventMS;
-        private int backupMS;
+        private float backupMS;
-        private int terrainMS;
+        private float terrainMS;
-        private int landMS;
+        private float 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
@@ -446,6 +416,7 @@ namespace OpenSim.Region.Framework.Scenes
        /// </summary>
        private int m_lastFrameTick;
+        public bool CombineRegions = false;
        /// <summary>
        /// Tick at which the last maintenance run occurred.
        /// </summary>
@@ -477,7 +448,7 @@ namespace OpenSim.Region.Framework.Scenes
        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 +463,11 @@ 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>
@@ -540,6 +516,16 @@ namespace OpenSim.Region.Framework.Scenes
        public bool IsRunning { get { return m_isRunning; } }
        private volatile bool m_isRunning;
+//        private int m_lastUpdate;
+        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;
@@ -571,6 +557,19 @@ 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
@@ -777,15 +776,15 @@ namespace OpenSim.Region.Framework.Scenes
            get { return m_capsModule; }
        }
-        public int MonitorFrameTime { get { return frameMS; } }
+        public int MonitorFrameTime { get { return (int)frameMS; } }
-        public int MonitorPhysicsUpdateTime { get { return physicsMS; } }
+        public int MonitorPhysicsUpdateTime { get { return (int)physicsMS; } }
-        public int MonitorPhysicsSyncTime { get { return physicsMS2; } }
+        public int MonitorPhysicsSyncTime { get { return (int)physicsMS2; } }
-        public int MonitorOtherTime { get { return otherMS; } }
+        public int MonitorOtherTime { get { return (int)otherMS; } }
-        public int MonitorTempOnRezTime { get { return tempOnRezMS; } }
+        public int MonitorTempOnRezTime { get { return (int)tempOnRezMS; } }
-        public int MonitorEventTime { get { return eventMS; } } // This may need to be divided into each event?
+        public int MonitorEventTime { get { return (int)eventMS; } } // This may need to be divided into each event?
-        public int MonitorBackupTime { get { return backupMS; } }
+        public int MonitorBackupTime { get { return (int)backupMS; } }
-        public int MonitorTerrainTime { get { return terrainMS; } }
+        public int MonitorTerrainTime { get { return (int)terrainMS; } }
-        public int MonitorLandTime { get { return landMS; } }
+        public int MonitorLandTime { get { return (int)landMS; } }
        public int MonitorLastFrameTick { get { return m_lastFrameTick; } }
        public UpdatePrioritizationSchemes UpdatePrioritizationScheme { get; set; }
@@ -863,11 +862,11 @@ namespace OpenSim.Region.Framework.Scenes
            : this(regInfo)
        {
            m_config = config;
-            MinFrameTicks = 89;
+            FrameTime = 0.0908f;
            FrameTimeWarnPercent = 60;
            FrameTimeCritPercent = 40;
-                        Normalized55FPS = true;
+            Normalized55FPS = true;
-            MinMaintenanceTicks = 1000;
+            MinMaintenanceTime = 1;
            SeeIntoRegion = true;
            Random random = new Random();
@@ -878,6 +877,9 @@ 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;
@@ -935,7 +937,7 @@ 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 
            // better in the future.
@@ -956,6 +958,11 @@ namespace OpenSim.Region.Framework.Scenes
                StartDisabled = startupConfig.GetBoolean("StartDisabled", false);
                m_defaultDrawDistance = startupConfig.GetFloat("DefaultDrawDistance", m_defaultDrawDistance);
+                m_maxDrawDistance = startupConfig.GetFloat("MaxDrawDistance", m_maxDrawDistance);
+                if (m_defaultDrawDistance > m_maxDrawDistance)
+                    m_defaultDrawDistance = m_maxDrawDistance;
                UseBackup = startupConfig.GetBoolean("UseSceneBackup", UseBackup);
                if (!UseBackup)
                    m_log.InfoFormat("[SCENE]: Backup has been disabled for {0}", RegionInfo.RegionName);
@@ -967,9 +974,8 @@ namespace OpenSim.Region.Framework.Scenes
                MaxUndoCount = startupConfig.GetInt("MaxPrimUndos", 20);
-                PhysicalPrims = startupConfig.GetBoolean("physical_prim", PhysicalPrims);
+                PhysicalPrims = startupConfig.GetBoolean("physical_prim", true);
-                CollidablePrims = startupConfig.GetBoolean("collidable_prim", CollidablePrims);
+                CollidablePrims = startupConfig.GetBoolean("collidable_prim", true);
                m_minNonphys = startupConfig.GetFloat("NonPhysicalPrimMin", m_minNonphys);
                if (RegionInfo.NonphysPrimMin > 0)
                {
@@ -989,11 +995,24 @@ 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 +1022,7 @@ namespace OpenSim.Region.Framework.Scenes
                    m_clampPrimSize = true;
                }
-                m_linksetCapacity = startupConfig.GetInt("LinksetPrims", m_linksetCapacity);
+                m_useTrashOnDelete = startupConfig.GetBoolean("UseTrashOnDelete",m_useTrashOnDelete);
-                if (RegionInfo.LinksetCapacity > 0)
-                {
-                    m_linksetCapacity = RegionInfo.LinksetCapacity;
-                }
-                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 +1033,11 @@ namespace OpenSim.Region.Framework.Scenes
                m_persistAfter *= 10000000;
                m_defaultScriptEngine = startupConfig.GetString("DefaultScriptEngine", "XEngine");
+                m_log.InfoFormat("[SCENE]: Default script engine {0}", m_defaultScriptEngine);
-                SpawnPointRouting = startupConfig.GetString("SpawnPointRouting", "closest");
-                TelehubAllowLandmarks = startupConfig.GetBoolean("TelehubAllowLandmark", false);
                m_strictAccessControl = startupConfig.GetBoolean("StrictAccessControl", m_strictAccessControl);
+                m_seeIntoBannedRegion = startupConfig.GetBoolean("SeeIntoBannedRegion", m_seeIntoBannedRegion);
+                CombineRegions = startupConfig.GetBoolean("CombineContiguousRegions", false);
                string[] possibleMapConfigSections = new string[] { "Map", "Startup" };
@@ -1070,7 +1083,7 @@ 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 +1099,16 @@ 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"))
+                FrameTime                 = startupConfig.GetFloat( "FrameTime", FrameTime);
-                    MinFrameTicks = (int)(startupConfig.GetFloat("MinFrameTime") * 1000);
                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);
@@ -1174,39 +1186,12 @@ namespace OpenSim.Region.Framework.Scenes
            #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.");
-            // Acquire the statistics section of the OpenSim.ini file located
+            StatsReporter = new SimStatsReporter(this);
-            // in the bin directory
-            IConfig statisticsConfig = m_config.Configs["Statistics"];
-            // 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
-            {
-                // Create a StatsReporter with the current scene and a default
-                // 10 frames stored for the frame time statistics
-                StatsReporter = new SimStatsReporter(this);
-            }
            StatsReporter.OnSendStatsResult += SendSimStatsPackets;
            StatsReporter.OnStatsIncorrect += m_sceneGraph.RecalculateStats;
+ 
        }
        public Scene(RegionInfo regInfo)
@@ -1249,6 +1234,7 @@ namespace OpenSim.Region.Framework.Scenes
            m_eventManager = new EventManager();
            m_permissions = new ScenePermissions(this);
        }
        #endregion
@@ -1285,7 +1271,6 @@ 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;
@@ -1325,20 +1310,8 @@ 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}",
+                if (isNeighborRegion(otherRegion))
-                //    RegionInfo.RegionName, otherRegion.RegionName, newRegionX, newRegionY);
-                if (!Util.IsOutsideView(dist, thisRegionX, newRegionX, thisRegionY, newRegionY))
                {
                    // Let the grid service module know, so this can be cached
                    m_eventManager.TriggerOnRegionUp(otherRegion);
@@ -1373,6 +1346,21 @@ 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)
@@ -1504,8 +1492,11 @@ 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);
+            m_log.Debug("[SCENE]: Persisting changed objects");
            Backup(false);
            m_sceneGraph.Close();
@@ -1519,6 +1510,7 @@ 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;
@@ -1550,10 +1542,28 @@ 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;
            }
+            // 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);
@@ -1601,45 +1611,8 @@ namespace OpenSim.Region.Framework.Scenes
            Watchdog.GetCurrentThreadInfo().AlarmIfTimeout = true;
            m_lastFrameTick = Util.EnvironmentTickCount();
+            Update(-1);
-            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()
        {
@@ -1708,24 +1681,24 @@ namespace OpenSim.Region.Framework.Scenes
                previousMaintenanceTick = m_lastMaintenanceTick;
                m_lastMaintenanceTick = Util.EnvironmentTickCount();
                runtc = Util.EnvironmentTickCountSubtract(m_lastMaintenanceTick, runtc);
-                runtc = MinMaintenanceTicks - runtc;
+                                runtc = (int)(MinMaintenanceTime * 1000) - 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(
+                     && Util.EnvironmentTickCountSubtract(
-                        m_lastMaintenanceTick, previousMaintenanceTick) > MinMaintenanceTicks * 2)
+                         m_lastMaintenanceTick, previousMaintenanceTick) > (int)(MinMaintenanceTime * 1000 * 2))
                    m_log.WarnFormat(
                        "[SCENE]: Maintenance took {0} ms (desired max {1} ms) in {2}",
                        Util.EnvironmentTickCountSubtract(m_lastMaintenanceTick, previousMaintenanceTick),
-                        MinMaintenanceTicks,
+                        MinMaintenanceTime * 1000,
                        RegionInfo.RegionName);
            }
        }
-        public override bool Update(int frames)
+        public override void Update(int frames)
        {
            long? endFrame = null;
@@ -1733,119 +1706,78 @@ namespace OpenSim.Region.Framework.Scenes
                endFrame = Frame + frames;
            float physicsFPS = 0f;
-            int previousFrameTick, tmpMS;
+            float frameTimeMS = FrameTime * 1000.0f;
-            // These variables will be used to save the precise frame time using the
+            int previousFrameTick;
-            // 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
+            double tmpMS;
-            // the frame times, which are the sums of the sections for each given name
+            double tmpMS2;
-            double preciseTotalFrameTime = 0.0;
+            double framestart;
-            double preciseSimFrameTime = 0.0;
+            float sleepMS;
-            double precisePhysicsFrameTime = 0.0;
+            float sleepError = 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();
            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
+                    tmpMS2 = Util.GetTimeStampMS();
-                    // create a more precise measurement of time elapsed. This
+                    terrainMS = (float)(tmpMS2 - tmpMS);
-                    // led to the addition of variables that have a similar
+                    tmpMS = tmpMS2;
-                    // 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();
-                    // 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
+                    tmpMS2 = Util.GetTimeStampMS();
-                    // would report the most precise time that physics was
+                    physicsMS2 = (float)(tmpMS2 - tmpMS);
-                    // running on the machine and should the physics not be
+                    tmpMS = tmpMS2;
-                    // enabled will report the time it took to check if physics
-                    // was enabled
-                    physicsFrameStopwatch.Stop();
-                    precisePhysicsFrameTime = physicsFrameStopwatch.Elapsed.TotalMilliseconds;
-                    physicsMS2 = Util.EnvironmentTickCountSubtract(tmpMS);
                    // 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();
                    // Get the simulation frame time that the avatar force input 
                    // took
-                    simFrameStopwatch.Stop();
+                    tmpMS2 = Util.GetTimeStampMS();
-                    preciseSimFrameTime +=
+                    agentMS = (float)(tmpMS2 - tmpMS);
-                        simFrameStopwatch.Elapsed.TotalMilliseconds;
+                    tmpMS = tmpMS2;
-                    agentMS = Util.EnvironmentTickCountSubtract(tmpMS);
                    // 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
+                    tmpMS2 = Util.GetTimeStampMS();
-                    physicsFrameStopwatch.Stop();
+                    physicsMS = (float)(tmpMS2 - tmpMS);
-                    precisePhysicsFrameTime += physicsFrameStopwatch.Elapsed.TotalMilliseconds;
+                    tmpMS = tmpMS2;
-                    physicsMS = Util.EnvironmentTickCountSubtract(tmpMS);
-                    // Start the stopwatch for the remainder of the simulation
-                    simFrameStopwatch.Restart();
-                    tmpMS = Util.EnvironmentTickCount();
                    // Check if any objects have reached their targets
                    CheckAtTargets();
@@ -1860,20 +1792,36 @@ 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;
+                        Util.FireAndForget(delegate { CleanTempObjects(); m_cleaningTemps = false;  });
+                        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)
@@ -1930,79 +1878,64 @@ 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
+                otherMS = tempOnRezMS + eventMS + backupMS + terrainMS + landMS;
-                simFrameStopwatch.Stop();
-                preciseSimFrameTime +=
-                    simFrameStopwatch.Elapsed.TotalMilliseconds;
-                if (!UpdateOnTimer)
+                tmpMS = Util.GetTimeStampMS();
-                {
-                    Watchdog.UpdateThread();
-                    spareMS = MinFrameTicks - Util.EnvironmentTickCountSubtract(m_lastFrameTick);
+                previousFrameTick = m_lastFrameTick;
+                m_lastFrameTick = (int)(tmpMS + 0.5);
-                    if (spareMS > 0)
+                // estimate sleep time
-                        m_updateWaitEvent.WaitOne(spareMS);
+                tmpMS2 = tmpMS - framestart;
-                    else
+                tmpMS2 = (double)frameTimeMS - tmpMS2 - sleepError;
-                        spareMS = 0;
-                }
-                else
-                {
-                    spareMS = Math.Max(0, MinFrameTicks - physicsMS2 - agentMS - physicsMS - otherMS);
-                }
-                // Get the total frame time
+                // reuse frameMS as temporary
-                totalFrameStopwatch.Stop();
+                frameMS = (float)tmpMS2;
-                preciseTotalFrameTime =
+                
-                    totalFrameStopwatch.Elapsed.TotalMilliseconds;
+                // sleep if we can
+                if (tmpMS2 > 0)
+                    {
+                    Thread.Sleep((int)(tmpMS2 + 0.5));
-                // Restart the stopwatch for the total time of the next frame
+                    tmpMS2 = Util.GetTimeStampMS();
-                totalFrameStopwatch.Restart();
+                    sleepMS = (float)(tmpMS2 - tmpMS);
+                    sleepError = sleepMS - frameMS;
+                    Util.Clamp(sleepError, 0.0f, 20f);
+                    frameMS = (float)(tmpMS2 - framestart);
+                    }
+                else
+                    {
+                    tmpMS2 = Util.GetTimeStampMS();
+                    frameMS = (float)(tmpMS2 - framestart);
+                    sleepMS = 0.0f;
+                    sleepError = 0.0f;
+                    }
-                previousFrameTick = m_lastFrameTick;
+                // script time is not scene frame time, but is displayed per frame
-                frameMS = Util.EnvironmentTickCountSubtract(m_lastFrameTick);
+                float scriptTimeMS = GetAndResetScriptExecutionTime();
-                m_lastFrameTick = Util.EnvironmentTickCount();
+                StatsReporter.AddFrameStats(TimeDilation, physicsFPS, agentMS,
+                             physicsMS + physicsMS2, otherMS , sleepMS, frameMS, scriptTimeMS); 
+              
+                
                // 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 +1944,28 @@ 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
+        /// 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 frame.
+        /// (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 +1976,24 @@ 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)
+                foreach (UUID entry in objs)
-                    entry.checkAtTargets();
+                {
+                    SceneObjectGroup grp = GetSceneObjectGroup(entry);
+                    if (grp == null)
+                        m_groupsWithTargets.Remove(entry);
+                    else
+                        grp.checkAtTargets();
+                }
            }
        }
@@ -2074,6 +2017,11 @@ namespace OpenSim.Region.Framework.Scenes
            EventManager.TriggerTerrainTick();
        }
+        private void CheckTerrainUpdates()
+        {
+            EventManager.TriggerTerrainCheckUpdates();
+        }
        /// <summary>
        /// Back up queued up changes
        /// </summary>
@@ -2125,7 +2073,7 @@ namespace OpenSim.Region.Framework.Scenes
                    msg.fromAgentName = "Server";
                    msg.dialog = (byte)19; // Object msg
                    msg.fromGroup = false;
-                    msg.offline = (byte)0;
+                    msg.offline = (byte)1;
                    msg.ParentEstateID = RegionInfo.EstateSettings.ParentEstateID;
                    msg.Position = Vector3.Zero;
                    msg.RegionID = RegionInfo.RegionID.Guid;
@@ -2277,7 +2225,7 @@ 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);
@@ -2361,7 +2309,7 @@ namespace OpenSim.Region.Framework.Scenes
            return PhysicsScene.SupportsRaycastWorldFiltered();
        }
-        public object RayCastFiltered(Vector3 position, Vector3 direction, float length, int Count, RayFilterFlags filter)
+        public object RayCastFiltered(Vector3 position, Vector3 direction, float length, int Count, RayFilterFlags filter)      
        {
            if (PhysicsScene == null)
                return null;
@@ -2383,93 +2331,166 @@ 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 pos = Vector3.Zero;
-                Vector3 AXOrigin = RayStart;
-                Vector3 AXdirection = direction;
-                if (target != null)
+            if (RayEndIsIntersection != (byte)1)
+            {
+                float dist = dir.Length();
+                if (dist != 0)
                {
-                    pos = target.AbsolutePosition;
+                    Vector3 direction = dir * (1 / dist);
-                    //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());
-                    // TODO: Raytrace better here
+                    dist += 1.0f;
-                    //EntityIntersection ei = m_sceneGraph.GetClosestIntersectingPrim(new Ray(AXOrigin, AXdirection));
+                    if (SupportsRayCastFiltered())
-                    Ray NewRay = new Ray(AXOrigin, AXdirection);
+                    {
+                        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.
+                        Ray NewRay = new Ray(RayStart, direction);
-                    // m_log.Info("[RAYTRACERESULTS]: Hit:" + ei.HitTF.ToString() + " Point: " + ei.ipoint.ToString() + " Normal: " + ei.normal.ToString());
-                    float ScaleOffset = 0.5f;
-                    // If we hit something
+                        if (target != null)
-                    if (ei.HitTF)
+                        {
-                    {
+                            pos = target.AbsolutePosition;
-                        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; 
-                    }
+                            // Ray Trace against target here
+                            EntityIntersection ei = target.TestIntersectionOBB(NewRay, Quaternion.Identity, frontFacesOnly, FaceCenter);
-                    return pos;
+                            // 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());
-                else
+                            float ScaleOffset = 0.5f;
-                {
-                    // We don't have a target here, so we're going to raytrace all the objects in the scene.
-                    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.
+                            // 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());
+                            //m_log.Info("[RAYTRACERESULTS]: Hit:" + ei.HitTF.ToString() + " Point: " + ei.ipoint.ToString() + " Normal: " + ei.normal.ToString());
-                    if (ei.HitTF)
+                            if (ei.HitTF)
-                    {
+                            {
-                        pos = ei.ipoint;
+                                pos = new Vector3(ei.ipoint.X, ei.ipoint.Y, ei.ipoint.Z);
-                    }
+                            }
-                    else
+                            else
-                    {
+                            {
-                        // fall back to our stupid functionality
+                                // fall back to our stupid functionality
-                        pos = RayEnd;
+                                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.
+            // fall back to our stupid functionality
-                //should be getting the normal of the ground at the rez point and using that?
+            pos = RayEnd;
-                pos.Z += scale.Z / 2f;
-                return pos;
+            //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;
        }
@@ -2560,12 +2581,12 @@ 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 +2678,15 @@ 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 +2695,24 @@ namespace OpenSim.Region.Framework.Scenes
                    if (e is SceneObjectGroup)
                    {
                        SceneObjectGroup sog = (SceneObjectGroup)e;
-                        if (!sog.IsAttachment)
+                        if (sog != null && !sog.IsAttachment)
-                            DeleteSceneObject((SceneObjectGroup)e, false);
+                        {
+                            if (!exceptNoCopy || ((sog.GetEffectivePermissions() & (uint)PermissionMask.Copy) != 0))
+                            {
+                                DeleteSceneObject((SceneObjectGroup)e, false);
+                            }
+                            else
+                            {
+                                toReturn.Add((SceneObjectGroup)e);   
+                            }
+                        }
                    }
                }
            }
+            if (toReturn.Count > 0)
+            {
+                returnObjects(toReturn.ToArray(), UUID.Zero);
+            }
        }
        /// <summary>
@@ -2700,6 +2743,13 @@ namespace OpenSim.Region.Framework.Scenes
            else
                group.StopScriptInstances();
+            List<ScenePresence> avatars = group.GetSittingAvatars();
+            foreach (ScenePresence av in avatars)
+            {
+                if(av.ParentUUID == UUID.Zero)
+                    av.StandUp();
+            }
            SceneObjectPart[] partList = group.Parts;
            foreach (SceneObjectPart part in partList)
@@ -2727,6 +2777,8 @@ namespace OpenSim.Region.Framework.Scenes
            }
            group.DeleteGroupFromScene(silent);
+            if (!silent)
+                SendKillObject(new List<uint>() { group.LocalId });
            // m_log.DebugFormat("[SCENE]: Exit DeleteSceneObject() for {0} {1}", group.Name, group.UUID);            
        }
@@ -2763,6 +2815,13 @@ 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 +2870,7 @@ 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.
@@ -2828,7 +2888,7 @@ namespace OpenSim.Region.Framework.Scenes
            if (regionCombinerModule == null)
            {
                // Regular region. Just check for region size
-                if (xx < RegionInfo.RegionSizeX && yy < RegionInfo.RegionSizeY)
+                if (xx < RegionInfo.RegionSizeX && yy < RegionInfo.RegionSizeY )
                    ret = true;
            }
            else
@@ -2836,9 +2896,7 @@ namespace OpenSim.Region.Framework.Scenes
                // 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;
        }
        /// <summary>
@@ -2862,8 +2920,52 @@ namespace OpenSim.Region.Framework.Scenes
                return false;
            }
-            if (!EntityTransferModule.HandleIncomingSceneObject(newObject, newPosition))
+            // If the user is banned, we won't let any of their objects
+            // enter. Period.
+            //
+            if (RegionInfo.EstateSettings.IsBanned(newObject.OwnerID, 36))
+            {
+                m_log.InfoFormat("[INTERREGION]: Denied prim crossing for banned avatar {0}", newObject.OwnerID);
                return false;
+            }
+            if (newPosition != Vector3.Zero)
+                newObject.RootPart.GroupPosition = newPosition;
+            if (!AddSceneObject(newObject))
+            {
+                m_log.DebugFormat(
+                    "[INTERREGION]: Problem adding scene object {0} in {1} ", newObject.UUID, RegionInfo.RegionName);
+                return false;
+            }
+            if (!newObject.IsAttachment)
+            {
+                // FIXME: It would be better to never add the scene object at all rather than add it and then delete
+                // it
+                if (!Permissions.CanObjectEntry(newObject.UUID, true, newObject.AbsolutePosition))
+                {
+                    // Deny non attachments based on parcel settings
+                    //
+                    m_log.Info("[INTERREGION]: Denied prim crossing because of parcel settings");
+                    DeleteSceneObject(newObject, false);
+                    return false;
+                }
+                // For attachments, we need to wait until the agent is root
+                // before we restart the scripts, or else some functions won't work.
+                newObject.RootPart.ParentGroup.CreateScriptInstances(0, false, DefaultScriptEngine, GetStateSource(newObject));
+                newObject.ResumeScripts();
+                // AddSceneObject already does this and doing it again messes
+                // up region crossings, so don't.
+                //if (newObject.RootPart.KeyframeMotion != null)
+                //    newObject.RootPart.KeyframeMotion.UpdateSceneObject(newObject);
+            }
+            
            // Do this as late as possible so that listeners have full access to the incoming object
            EventManager.TriggerOnIncomingSceneObject(newObject);
@@ -2880,6 +2982,23 @@ 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;
@@ -2916,22 +3035,62 @@ namespace OpenSim.Region.Framework.Scenes
                    // 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)
-                        AttachmentsModule.AttachObject(sp, grp, 0, false, false, true);
+                        AttachmentsModule.AttachObject(sp, grp, 0, false, false, false, true);
                }
                else
                {
+                    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)
+        {
+            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
@@ -2967,8 +3126,9 @@ namespace OpenSim.Region.Framework.Scenes
                vialogin
                    = (aCircuit.teleportFlags & (uint)Constants.TeleportFlags.ViaHGLogin) != 0
                        || (aCircuit.teleportFlags & (uint)Constants.TeleportFlags.ViaLogin) != 0;
+    
-                // CheckHeartbeat();
+                CheckHeartbeat();
+    
                sp = GetScenePresence(client.AgentId);
@@ -2979,27 +3139,27 @@ namespace OpenSim.Region.Framework.Scenes
                if (sp == null)
                {
                    m_log.DebugFormat(
-                        "[SCENE]: Adding new child scene presence {0} {1} to scene {2} at pos {3}",
+                        "[SCENE]: Adding new child scene presence {0} {1} to scene {2} at pos {3}, tpflags: {4}",
-                        client.Name, client.AgentId, RegionInfo.RegionName, client.StartPos);
+                        client.Name, client.AgentId, RegionInfo.RegionName, client.StartPos,
+                        ((TPFlags)aCircuit.teleportFlags).ToString());
-                    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;
                    m_clientManager.Add(client);
                    SubscribeToClientEvents(client);
-                    m_eventManager.TriggerOnNewPresence(sp);
+    
+                    sp = m_sceneGraph.CreateAndAddChildScenePresence(client, aCircuit.Appearance, type);
                    sp.TeleportFlags = (TPFlags)aCircuit.teleportFlags;
+/* done in completMovement
+                    InventoryFolderBase cof = InventoryService.GetFolderForType(client.AgentId, (AssetType)46);
+                    if (cof == null)
+                        sp.COF = UUID.Zero;
+                    else
+                        sp.COF = cof.ID;
+                    m_log.DebugFormat("[SCENE]: COF for {0} is {1}", client.AgentId, sp.COF);
+ */
+                    m_eventManager.TriggerOnNewPresence(sp);
                }
                else
                {
@@ -3008,7 +3168,7 @@ namespace OpenSim.Region.Framework.Scenes
                    // 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;
+                    
                    m_log.WarnFormat(
                        "[SCENE]: Already found {0} scene presence for {1} in {2} when asked to add new scene presence",
@@ -3016,6 +3176,7 @@ 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 
                // resolves problems where HG agents are occasionally seen by others as "Unknown user" in chat and other
@@ -3134,19 +3295,15 @@ 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 +3340,7 @@ 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 +3348,8 @@ 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;
@@ -3247,6 +3406,7 @@ 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 +3468,7 @@ 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 +3476,8 @@ 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;
@@ -3473,16 +3635,14 @@ namespace OpenSim.Region.Framework.Scenes
            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());
                // 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);
@@ -3564,6 +3724,10 @@ 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);
@@ -3580,8 +3744,8 @@ namespace OpenSim.Region.Framework.Scenes
            }
            // TODO: Can we now remove this lock?
-            lock (acd)
+            lock (m_removeClientPrivLock)
-            {
+            {    
                bool isChildAgent = false;
                ScenePresence avatar = GetScenePresence(agentID);
@@ -3625,8 +3789,8 @@ 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)
                    {
                        List<ulong> regions = avatar.KnownRegionHandles;
@@ -3637,13 +3801,17 @@ 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 +3825,11 @@ 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)
                {
@@ -3776,6 +3948,9 @@ namespace OpenSim.Region.Framework.Scenes
        /// 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 
        /// 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 ||
@@ -3809,6 +3984,8 @@ 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";
@@ -3936,7 +4113,7 @@ namespace OpenSim.Region.Framework.Scenes
            }
            // TODO: can we remove this lock?
-            lock (acd)
+            lock (m_newUserConnLock)
            {
                if (sp != null && !sp.IsChildAgent)
                {
@@ -3963,6 +4140,12 @@ 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;
+                // Remove any preexisting circuit - we don't want duplicates
+                // This is a stab at preventing avatar "ghosting"
+                if (vialogin)
+                    m_authenticateHandler.RemoveCircuit(acd.AgentID);
                m_authenticateHandler.AddNewCircuit(acd.circuitcode, acd);
                land = LandChannel.GetLandObject(acd.startpos.X, acd.startpos.Y);
@@ -3970,6 +4153,9 @@ namespace OpenSim.Region.Framework.Scenes
                // On login test land permisions
                if (vialogin)
                {
+                    IUserAccountCacheModule cache = RequestModuleInterface<IUserAccountCacheModule>();
+                    if (cache != null)
+                        cache.Remove(acd.firstname + " " + acd.lastname);
                    if (land != null && !TestLandRestrictions(acd.AgentID, out reason, ref acd.startpos.X, ref acd.startpos.Y))
                    {
                        m_authenticateHandler.RemoveCircuit(acd.circuitcode);
@@ -4024,7 +4210,7 @@ namespace OpenSim.Region.Framework.Scenes
                    if (CapsModule != null)
                    {
                        CapsModule.SetAgentCapsSeeds(acd);
-                        CapsModule.CreateCaps(acd.AgentID);
+                        CapsModule.CreateCaps(acd.AgentID, acd.circuitcode);
                    }
                }
                else
@@ -4037,15 +4223,15 @@ namespace OpenSim.Region.Framework.Scenes
                    {
                        m_log.DebugFormat(
                            "[SCENE]: Adjusting known seeds for existing agent {0} in {1}",
-                            acd.AgentID, RegionInfo.RegionName);
+                            acd.AgentID, RegionInfo.RegionName);   
-                        sp.AdjustKnownSeeds();
                        if (CapsModule != null)
                        {
                            CapsModule.SetAgentCapsSeeds(acd);
-                            CapsModule.CreateCaps(acd.AgentID);
+                            CapsModule.CreateCaps(acd.AgentID, acd.circuitcode);
                        }
+                        sp.AdjustKnownSeeds();
                    }
                }
@@ -4055,6 +4241,11 @@ namespace OpenSim.Region.Framework.Scenes
                CacheUserName(null, acd);
            }
+            if (CapsModule != null)
+            {
+                CapsModule.ActivateCaps(acd.circuitcode);
+            }
            if (vialogin)
            {
 //                CleanDroppedAttachments();
@@ -4124,6 +4315,8 @@ namespace OpenSim.Region.Framework.Scenes
                }
                // Honor parcel landing type and position.
+                /*
+                ILandObject land = LandChannel.GetLandObject(agent.startpos.X, agent.startpos.Y);
                if (land != null)
                {
                    if (land.LandData.LandingType == (byte)1 && land.LandData.UserLocation != Vector3.Zero)
@@ -4138,6 +4331,7 @@ namespace OpenSim.Region.Framework.Scenes
                        }
                    }
                }
+                */// This is now handled properly in ScenePresence.MakeRootAgent
            }
            return true;
@@ -4162,12 +4356,13 @@ 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)
+            else if (posY >= RegionInfo.RegionSizeY)
-                posY = (float)RegionInfo.RegionSizeY - 0.001f;
+                posY = RegionInfo.RegionSizeY - 0.5f;
            reason = String.Empty;
            if (Permissions.IsGod(agentID))
@@ -4271,7 +4466,8 @@ namespace OpenSim.Region.Framework.Scenes
            {
                if (RegionInfo.EstateSettings != null)
                {
-                    if (RegionInfo.EstateSettings.IsBanned(agent.AgentID))
+                    int flags = GetUserFlags(agent.AgentID);
+                    if (RegionInfo.EstateSettings.IsBanned(agent.AgentID, flags))
                    {
                        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);
@@ -4460,6 +4656,22 @@ 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);
            if (nearestParcel == null)
@@ -4477,8 +4689,14 @@ namespace OpenSim.Region.Framework.Scenes
            // a UseCircuitCode packet which in turn calls AddNewAgent which finally creates the ScenePresence.
            ScenePresence sp = WaitGetScenePresence(cAgentData.AgentID);
-            if (sp != null)
+            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(
@@ -4563,7 +4781,7 @@ namespace OpenSim.Region.Framework.Scenes
        /// <param name='agentID'></param>
        protected virtual ScenePresence WaitGetScenePresence(UUID agentID)
        {
-            int ntimes = 20;
+            int ntimes = 30;
            ScenePresence sp = null;
            while ((sp = GetScenePresence(agentID)) == null && (ntimes-- > 0))
                Thread.Sleep(1000);
@@ -4613,6 +4831,16 @@ namespace OpenSim.Region.Framework.Scenes
            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>
@@ -4675,6 +4903,20 @@ 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}", 
                        agentID, Name);
@@ -4709,7 +4951,11 @@ 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;
        }
@@ -4871,7 +5117,10 @@ 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>
@@ -4887,7 +5136,10 @@ 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;
+            ILandObject parcel = LandChannel.GetLandObject((int)x, (int)y);
+            if (parcel == null)
+                return null;
+            return parcel.LandData;
        }
        #endregion
@@ -5275,7 +5527,7 @@ 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 <= DateTime.Now)
                                DeleteSceneObject(grp, false);
                        }
                    }
@@ -5289,35 +5541,80 @@ 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
            // stopped and the sim is probably locked up, but a remote
            // 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
+            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)) < 1000)
-                health += 1;
+            {
+                health+=1;
+                flags |= 1;
+            }
+            if (Util.EnvironmentTickCountSubtract(m_lastIncoming) < 1000)
+            {
+                health+=1;
+                flags |= 2;
+            }
+            if (Util.EnvironmentTickCountSubtract(m_lastOutgoing) < 1000)
+            {
+                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 +5702,7 @@ 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 +5805,14 @@ namespace OpenSim.Region.Framework.Scenes
            return (((vsn.X * xdiff) + (vsn.Y * ydiff)) / (-1 * vsn.Z)) + p0.Z;
        }
-//        private void CheckHeartbeat()
+        private void CheckHeartbeat()
-//        {
+        {
-//            if (m_firstHeartbeat)
+            if (m_firstHeartbeat)
-//                return;
+                return;
-//
-//            if (Util.EnvironmentTickCountSubtract(m_lastFrameTick) > 2000)
+            if ((Util.EnvironmentTickCountSubtract(m_lastFrameTick)) > 5000)
-//                StartTimer();
+                Start();
-//        }
+        }
        public override ISceneObject DeserializeObject(string representation)
        {
@@ -5572,8 +5869,7 @@ 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;
        }
@@ -5829,7 +6125,55 @@ 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();
@@ -5995,7 +6339,19 @@ namespace OpenSim.Region.Framework.Scenes
            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();
+                }
        /// 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>
@@ -6074,6 +6430,11 @@ 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. 
        /// </summary>