1 files changed, 591 insertions, 196 deletions

diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index ee34338..0bf2259 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -127,6 +127,7 @@ 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 = 5;
 
         // Using this for RegionReady module to prevent LoginsDisabled from changing under our feet;
@@ -143,12 +144,14 @@ 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 ModuleLoader m_moduleLoader;
         protected AgentCircuitManager m_authenticateHandler;
         protected SceneCommunicationService m_sceneGridService;
+        protected ISnmpModule m_snmpService = null;
 
         protected ISimulationDataService m_SimulationDataService;
         protected IEstateDataService m_EstateDataService;
@@ -210,7 +213,7 @@ namespace OpenSim.Region.Framework.Scenes
         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_land = 10;
         private int m_update_coarse_locations = 50;
 
         private int agentMS;
@@ -223,13 +226,13 @@ namespace OpenSim.Region.Framework.Scenes
         private int backupMS;
         private int terrainMS;
         private int landMS;
-        private int spareMS;
 
         /// <summary>
         /// Tick at which the last frame was processed.
         /// </summary>
         private int m_lastFrameTick;
 
+        public bool CombineRegions = false;
         /// <summary>
         /// Tick at which the last maintenance run occurred.
         /// </summary>
@@ -260,6 +263,11 @@ 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>
@@ -275,7 +283,7 @@ namespace OpenSim.Region.Framework.Scenes
         private volatile bool m_shuttingDown;
 
 //        private int m_lastUpdate;
-//        private bool m_firstHeartbeat = true;
+        private bool m_firstHeartbeat = true;
         
         private UpdatePrioritizationSchemes m_priorityScheme = UpdatePrioritizationSchemes.Time;
         private bool m_reprioritizationEnabled = true;
@@ -320,6 +328,19 @@ 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
@@ -619,6 +640,8 @@ namespace OpenSim.Region.Framework.Scenes
             m_SimulationDataService = simDataService;
             m_EstateDataService = estateDataService;
             m_regionHandle = RegionInfo.RegionHandle;
+            m_lastIncoming = 0;
+            m_lastOutgoing = 0;
 
             m_asyncSceneObjectDeleter = new AsyncSceneObjectGroupDeleter(this);
             m_asyncSceneObjectDeleter.Enabled = true;
@@ -699,122 +722,131 @@ namespace OpenSim.Region.Framework.Scenes
 
             // Region config overrides global config
             //
-            if (m_config.Configs["Startup"] != null)
+            try
             {
-                IConfig startupConfig = m_config.Configs["Startup"];
-
-                StartDisabled = startupConfig.GetBoolean("StartDisabled", false);
-
-                m_defaultDrawDistance = startupConfig.GetFloat("DefaultDrawDistance", m_defaultDrawDistance);
-                m_useBackup = startupConfig.GetBoolean("UseSceneBackup", m_useBackup);
-                if (!m_useBackup)
-                    m_log.InfoFormat("[SCENE]: Backup has been disabled for {0}", RegionInfo.RegionName);
-                
-                //Animation states
-                m_useFlySlow = startupConfig.GetBoolean("enableflyslow", false);
-
-                PhysicalPrims = startupConfig.GetBoolean("physical_prim", PhysicalPrims);
-                CollidablePrims = startupConfig.GetBoolean("collidable_prim", CollidablePrims);
-
-                m_maxNonphys = startupConfig.GetFloat("NonphysicalPrimMax", m_maxNonphys);
-                if (RegionInfo.NonphysPrimMax > 0)
+                if (m_config.Configs["Startup"] != null)
                 {
-                    m_maxNonphys = RegionInfo.NonphysPrimMax;
-                }
+                    IConfig startupConfig = m_config.Configs["Startup"];
 
-                m_maxPhys = startupConfig.GetFloat("PhysicalPrimMax", m_maxPhys);
+                    StartDisabled = startupConfig.GetBoolean("StartDisabled", false);
 
-                if (RegionInfo.PhysPrimMax > 0)
-                {
-                    m_maxPhys = RegionInfo.PhysPrimMax;
-                }
-
-                // Here, if clamping is requested in either global or
-                // local config, it will be used
-                //
-                m_clampPrimSize = startupConfig.GetBoolean("ClampPrimSize", m_clampPrimSize);
-                if (RegionInfo.ClampPrimSize)
-                {
-                    m_clampPrimSize = true;
-                }
+                    m_defaultDrawDistance = startupConfig.GetFloat("DefaultDrawDistance",m_defaultDrawDistance);
+                    m_useBackup = startupConfig.GetBoolean("UseSceneBackup", m_useBackup);
+                    if (!m_useBackup)
+                        m_log.InfoFormat("[SCENE]: Backup has been disabled for {0}", RegionInfo.RegionName);
+                    
+                    //Animation states
+                    m_useFlySlow = startupConfig.GetBoolean("enableflyslow", false);
 
-                m_useTrashOnDelete = startupConfig.GetBoolean("UseTrashOnDelete", m_useTrashOnDelete);
-                m_trustBinaries = startupConfig.GetBoolean("TrustBinaries", m_trustBinaries);
-                m_allowScriptCrossings = startupConfig.GetBoolean("AllowScriptCrossing", m_allowScriptCrossings);
-                m_dontPersistBefore =
-                  startupConfig.GetLong("MinimumTimeBeforePersistenceConsidered", DEFAULT_MIN_TIME_FOR_PERSISTENCE);
-                m_dontPersistBefore *= 10000000;
-                m_persistAfter =
-                  startupConfig.GetLong("MaximumTimeBeforePersistenceConsidered", DEFAULT_MAX_TIME_FOR_PERSISTENCE);
-                m_persistAfter *= 10000000;
+                    PhysicalPrims = startupConfig.GetBoolean("physical_prim", true);
+                    CollidablePrims = startupConfig.GetBoolean("collidable_prim", true);
 
-                m_defaultScriptEngine = startupConfig.GetString("DefaultScriptEngine", "XEngine");
+                    m_maxNonphys = startupConfig.GetFloat("NonphysicalPrimMax", m_maxNonphys);
+                    if (RegionInfo.NonphysPrimMax > 0)
+                    {
+                        m_maxNonphys = RegionInfo.NonphysPrimMax;
+                    }
 
-                SpawnPointRouting = startupConfig.GetString("SpawnPointRouting", "closest");
-                TelehubAllowLandmarks = startupConfig.GetBoolean("TelehubAllowLandmark", false);
+                    m_maxPhys = startupConfig.GetFloat("PhysicalPrimMax", m_maxPhys);
 
-                IConfig packetConfig = m_config.Configs["PacketPool"];
-                if (packetConfig != null)
-                {
-                    PacketPool.Instance.RecyclePackets = packetConfig.GetBoolean("RecyclePackets", true);
-                    PacketPool.Instance.RecycleDataBlocks = packetConfig.GetBoolean("RecycleDataBlocks", true);
-                }
+                    if (RegionInfo.PhysPrimMax > 0)
+                    {
+                        m_maxPhys = RegionInfo.PhysPrimMax;
+                    }
 
-                m_strictAccessControl = startupConfig.GetBoolean("StrictAccessControl", m_strictAccessControl);
+                    SpawnPointRouting = startupConfig.GetString("SpawnPointRouting", "closest");
+                    TelehubAllowLandmarks = startupConfig.GetBoolean("TelehubAllowLandmark", false);
 
-                m_generateMaptiles = startupConfig.GetBoolean("GenerateMaptiles", true);
-                if (m_generateMaptiles)
-                {
-                    int maptileRefresh = startupConfig.GetInt("MaptileRefresh", 0);
-                    if (maptileRefresh != 0)
+                    // Here, if clamping is requested in either global or
+                    // local config, it will be used
+                    //
+                    m_clampPrimSize = startupConfig.GetBoolean("ClampPrimSize", m_clampPrimSize);
+                    if (RegionInfo.ClampPrimSize)
                     {
-                        m_mapGenerationTimer.Interval = maptileRefresh * 1000;
-                        m_mapGenerationTimer.Elapsed += RegenerateMaptileAndReregister;
-                        m_mapGenerationTimer.AutoReset = true;
-                        m_mapGenerationTimer.Start();
+                        m_clampPrimSize = true;
                     }
-                }
-                else
-                {
-                    string tile = startupConfig.GetString("MaptileStaticUUID", UUID.Zero.ToString());
-                    UUID tileID;
 
-                    if (UUID.TryParse(tile, out tileID))
+                    m_useTrashOnDelete = startupConfig.GetBoolean("UseTrashOnDelete",m_useTrashOnDelete);
+                    m_trustBinaries = startupConfig.GetBoolean("TrustBinaries", m_trustBinaries);
+                    m_allowScriptCrossings = startupConfig.GetBoolean("AllowScriptCrossing", m_allowScriptCrossings);
+                    m_dontPersistBefore =
+                      startupConfig.GetLong("MinimumTimeBeforePersistenceConsidered", DEFAULT_MIN_TIME_FOR_PERSISTENCE);
+                    m_dontPersistBefore *= 10000000;
+                    m_persistAfter =
+                      startupConfig.GetLong("MaximumTimeBeforePersistenceConsidered", DEFAULT_MAX_TIME_FOR_PERSISTENCE);
+                    m_persistAfter *= 10000000;
+
+                    m_defaultScriptEngine = startupConfig.GetString("DefaultScriptEngine", "XEngine");
+                    m_log.InfoFormat("[SCENE]: Default script engine {0}", m_defaultScriptEngine);
+
+                    IConfig packetConfig = m_config.Configs["PacketPool"];
+                    if (packetConfig != null)
                     {
-                        RegionInfo.RegionSettings.TerrainImageID = tileID;
+                        PacketPool.Instance.RecyclePackets = packetConfig.GetBoolean("RecyclePackets", true);
+                        PacketPool.Instance.RecycleDataBlocks = packetConfig.GetBoolean("RecycleDataBlocks", true);
                     }
-                }
 
-                string grant = startupConfig.GetString("AllowedClients", String.Empty);
-                if (grant.Length > 0)
-                {
-                    foreach (string viewer in grant.Split('|'))
+                    m_strictAccessControl = startupConfig.GetBoolean("StrictAccessControl", m_strictAccessControl);
+                    m_seeIntoBannedRegion = startupConfig.GetBoolean("SeeIntoBannedRegion", m_seeIntoBannedRegion);
+                    CombineRegions = startupConfig.GetBoolean("CombineContiguousRegions", false);
+
+                    m_generateMaptiles = startupConfig.GetBoolean("GenerateMaptiles", true);
+                    if (m_generateMaptiles)
                     {
-                        m_AllowedViewers.Add(viewer.Trim().ToLower());
+                        int maptileRefresh = startupConfig.GetInt("MaptileRefresh", 0);
+                        if (maptileRefresh != 0)
+                        {
+                            m_mapGenerationTimer.Interval = maptileRefresh * 1000;
+                            m_mapGenerationTimer.Elapsed += RegenerateMaptileAndReregister;
+                            m_mapGenerationTimer.AutoReset = true;
+                            m_mapGenerationTimer.Start();
+                        }
                     }
-                }
+                    else
+                    {
+                        string tile = startupConfig.GetString("MaptileStaticUUID", UUID.Zero.ToString());
+                        UUID tileID;
 
-                grant = startupConfig.GetString("BannedClients", String.Empty);
-                if (grant.Length > 0)
-                {
-                    foreach (string viewer in grant.Split('|'))
+                        if (UUID.TryParse(tile, out tileID))
+                        {
+                            RegionInfo.RegionSettings.TerrainImageID = tileID;
+                        }
+                    }
+
+                    string grant = startupConfig.GetString("AllowedClients", String.Empty);
+                    if (grant.Length > 0)
                     {
-                        m_BannedViewers.Add(viewer.Trim().ToLower());
+                        foreach (string viewer in grant.Split(','))
+                        {
+                            m_AllowedViewers.Add(viewer.Trim().ToLower());
+                        }
                     }
-                }
 
-                MinFrameTime              = startupConfig.GetFloat( "MinFrameTime",                      MinFrameTime);
-                m_update_backup           = startupConfig.GetInt(   "UpdateStorageEveryNFrames",         m_update_backup);
-                m_update_coarse_locations = startupConfig.GetInt(   "UpdateCoarseLocationsEveryNFrames", m_update_coarse_locations);
-                m_update_entitymovement   = startupConfig.GetInt(   "UpdateEntityMovementEveryNFrames",  m_update_entitymovement);
-                m_update_events           = startupConfig.GetInt(   "UpdateEventsEveryNFrames",          m_update_events);
-                m_update_objects          = startupConfig.GetInt(   "UpdateObjectsEveryNFrames",         m_update_objects);
-                m_update_physics          = startupConfig.GetInt(   "UpdatePhysicsEveryNFrames",         m_update_physics);
-                m_update_presences        = startupConfig.GetInt(   "UpdateAgentsEveryNFrames",          m_update_presences);
-                m_update_terrain          = startupConfig.GetInt(   "UpdateTerrainEveryNFrames",         m_update_terrain);
-                m_update_temp_cleaning    = startupConfig.GetInt(   "UpdateTempCleaningEveryNFrames",    m_update_temp_cleaning);
+                    grant = startupConfig.GetString("BannedClients", String.Empty);
+                    if (grant.Length > 0)
+                    {
+                        foreach (string viewer in grant.Split(','))
+                        {
+                            m_BannedViewers.Add(viewer.Trim().ToLower());
+                        }
+                    }
 
-                SendPeriodicAppearanceUpdates = startupConfig.GetBoolean("SendPeriodicAppearanceUpdates", SendPeriodicAppearanceUpdates);
+                    MinFrameTime              = startupConfig.GetFloat( "MinFrameTime",                      MinFrameTime);
+                    m_update_backup           = startupConfig.GetInt(   "UpdateStorageEveryNFrames",         m_update_backup);
+                    m_update_coarse_locations = startupConfig.GetInt(   "UpdateCoarseLocationsEveryNFrames", m_update_coarse_locations);
+                    m_update_entitymovement   = startupConfig.GetInt(   "UpdateEntityMovementEveryNFrames",  m_update_entitymovement);
+                    m_update_events           = startupConfig.GetInt(   "UpdateEventsEveryNFrames",          m_update_events);
+                    m_update_objects          = startupConfig.GetInt(   "UpdateObjectsEveryNFrames",         m_update_objects);
+                    m_update_physics          = startupConfig.GetInt(   "UpdatePhysicsEveryNFrames",         m_update_physics);
+                    m_update_presences        = startupConfig.GetInt(   "UpdateAgentsEveryNFrames",          m_update_presences);
+                    m_update_terrain          = startupConfig.GetInt(   "UpdateTerrainEveryNFrames",         m_update_terrain);
+                    m_update_temp_cleaning    = startupConfig.GetInt(   "UpdateTempCleaningEveryNFrames",    m_update_temp_cleaning);
+                    SendPeriodicAppearanceUpdates = startupConfig.GetBoolean("SendPeriodicAppearanceUpdates", SendPeriodicAppearanceUpdates);
+                }
+            }
+            catch (Exception e)
+            {
+                m_log.Error("[SCENE]: Failed to load StartupConfig: " + e.ToString());
             }
 
             #endregion Region Config
@@ -849,6 +881,8 @@ namespace OpenSim.Region.Framework.Scenes
             StatsReporter = new SimStatsReporter(this);
             StatsReporter.OnSendStatsResult += SendSimStatsPackets;
             StatsReporter.OnStatsIncorrect += m_sceneGraph.RecalculateStats;
+
+            MainConsole.Instance.Commands.AddCommand("scene", false, "gc collect", "gc collect", "gc collect", "Cause the garbage collector to make a single pass", HandleGcCollect);
         }
 
         public Scene(RegionInfo regInfo) : base(regInfo)
@@ -1240,7 +1274,22 @@ namespace OpenSim.Region.Framework.Scenes
             //m_heartbeatTimer.Elapsed += new ElapsedEventHandler(Heartbeat);
             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;
             }
 //            m_lastUpdate = Util.EnvironmentTickCount();
@@ -1387,16 +1436,20 @@ namespace OpenSim.Region.Framework.Scenes
                 endFrame = Frame + frames;
 
             float physicsFPS = 0f;
-            int previousFrameTick, tmpMS;
-            int maintc = Util.EnvironmentTickCount();
+            int tmpMS;
+            int previousFrameTick;
+            int maintc;
+            int sleepMS;
+            int framestart;
 
             while (!m_shuttingDown && (endFrame == null || Frame < endFrame))
             {
+                framestart = Util.EnvironmentTickCount();
                 ++Frame;
 
 //            m_log.DebugFormat("[SCENE]: Processing frame {0} in {1}", Frame, RegionInfo.RegionName);
 
-                agentMS = tempOnRezMS = eventMS = backupMS = terrainMS = landMS = spareMS = 0;
+                agentMS = tempOnRezMS = eventMS = backupMS = terrainMS = landMS = 0;
 
                 try
                 {
@@ -1448,6 +1501,7 @@ namespace OpenSim.Region.Framework.Scenes
                         m_sceneGraph.UpdatePresences();
     
                     agentMS += Util.EnvironmentTickCountSubtract(tmpMS);
+
     
                     // Delete temp-on-rez stuff
                     if (Frame % m_update_temp_cleaning == 0 && !m_cleaningTemps)
@@ -1529,34 +1583,37 @@ namespace OpenSim.Region.Framework.Scenes
 
                 Watchdog.UpdateThread();
 
+                otherMS = tempOnRezMS + eventMS + backupMS + terrainMS + landMS;
+
+                StatsReporter.AddPhysicsFPS(physicsFPS);
+                StatsReporter.AddTimeDilation(TimeDilation);
+                StatsReporter.AddFPS(1);
+
+                StatsReporter.addAgentMS(agentMS);
+                StatsReporter.addPhysicsMS(physicsMS + physicsMS2);
+                StatsReporter.addOtherMS(otherMS);
+                StatsReporter.addScriptLines(m_sceneGraph.GetScriptLPS());
+
                 previousFrameTick = m_lastFrameTick;
                 m_lastFrameTick = Util.EnvironmentTickCount();
-                tmpMS = Util.EnvironmentTickCountSubtract(m_lastFrameTick, maintc);
+                tmpMS = Util.EnvironmentTickCountSubtract(m_lastFrameTick, framestart);
                 tmpMS = (int)(MinFrameTime * 1000) - tmpMS;
 
+                m_firstHeartbeat = false;
+
+                sleepMS = Util.EnvironmentTickCount();
+
                 if (tmpMS > 0)
-                {
                     Thread.Sleep(tmpMS);
-                    spareMS += tmpMS;
-                }
-
-                frameMS = Util.EnvironmentTickCountSubtract(maintc);
-                maintc = Util.EnvironmentTickCount();
 
-                otherMS = tempOnRezMS + eventMS + backupMS + terrainMS + landMS;
+                sleepMS = Util.EnvironmentTickCountSubtract(sleepMS);
+                frameMS = Util.EnvironmentTickCountSubtract(framestart);
+                StatsReporter.addSleepMS(sleepMS);
+                StatsReporter.addFrameMS(frameMS);
 
                 // 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());
 
                // Optionally warn if a frame takes double the amount of time that it should.
                 if (DebugUpdates
@@ -1584,9 +1641,9 @@ namespace OpenSim.Region.Framework.Scenes
 
         private void CheckAtTargets()
         {
-            Dictionary<UUID, SceneObjectGroup>.ValueCollection objs;
+            List<SceneObjectGroup> objs = new List<SceneObjectGroup>();
             lock (m_groupsWithTargets)
-                objs = m_groupsWithTargets.Values;
+                objs = new List<SceneObjectGroup>(m_groupsWithTargets.Values);
 
             foreach (SceneObjectGroup entry in objs)
                 entry.checkAtTargets();
@@ -1667,7 +1724,7 @@ 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;
@@ -1889,6 +1946,19 @@ namespace OpenSim.Region.Framework.Scenes
             EventManager.TriggerPrimsLoaded(this);
         }
 
+        public bool SuportsRayCastFiltered()
+        {
+            if (PhysicsScene == null)
+                return false;
+            return PhysicsScene.SuportsRaycastWorldFiltered();
+        }
+
+        public object RayCastFiltered(Vector3 position, Vector3 direction, float length, int Count, RayFilterFlags filter)      
+        {
+            if (PhysicsScene == null)
+                return null;
+            return PhysicsScene.RaycastWorld(position, direction, length, Count,filter);
+        }
 
         /// <summary>
         /// Gets a new rez location based on the raycast and the size of the object that is being rezzed.
@@ -1905,14 +1975,24 @@ 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)
         {
+        
+            float wheight = (float)RegionInfo.RegionSettings.WaterHeight;
+            Vector3 wpos = Vector3.Zero;
+            // Check for water surface intersection from above
+            if ( (RayStart.Z > wheight) && (RayEnd.Z < wheight) )
+            {
+                float ratio = (RayStart.Z - wheight) / (RayStart.Z - RayEnd.Z);
+                wpos.X = RayStart.X - (ratio * (RayStart.X - RayEnd.X));
+                wpos.Y = RayStart.Y - (ratio * (RayStart.Y - RayEnd.Y));
+                wpos.Z = wheight;
+            }                
+        
             Vector3 pos = Vector3.Zero;
             if (RayEndIsIntersection == (byte)1)
             {
                 pos = RayEnd;
-                return pos;
             }
-
-            if (RayTargetID != UUID.Zero)
+            else if (RayTargetID != UUID.Zero)
             {
                 SceneObjectPart target = GetSceneObjectPart(RayTargetID);
 
@@ -1934,7 +2014,7 @@ namespace OpenSim.Region.Framework.Scenes
                     EntityIntersection ei = target.TestIntersectionOBB(NewRay, Quaternion.Identity, frontFacesOnly, FaceCenter);
 
                     // 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());
+                    // m_log.Info("[RAYTRACERESULTS]: Hit:" + ei.HitTF.ToString() + " Point: " + ei.ipoint.ToString() + " Normal: " + ei.normal.ToString());
                     float ScaleOffset = 0.5f;
 
                     // If we hit something
@@ -1957,13 +2037,10 @@ namespace OpenSim.Region.Framework.Scenes
                         //pos.Z -= 0.25F; 
                        
                     }
-
-                    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(new Ray(AXOrigin, AXdirection), true, false);
 
                     // Un-comment the following line to print the raytrace results to the console.
@@ -1972,13 +2049,12 @@ namespace OpenSim.Region.Framework.Scenes
                     if (ei.HitTF)
                     {
                         pos = new Vector3(ei.ipoint.X, ei.ipoint.Y, ei.ipoint.Z);
-                    } else
+                    } 
+                    else
                     {
                         // fall back to our stupid functionality
                         pos = RayEnd;
                     }
-
-                    return pos;
                 }
             }
             else
@@ -1989,8 +2065,12 @@ namespace OpenSim.Region.Framework.Scenes
                 //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;
+//                return pos;
             }
+            
+            // check against posible water intercept
+            if (wpos.Z > pos.Z) pos = wpos;
+            return pos;
         }
 
 
@@ -2079,7 +2159,10 @@ namespace OpenSim.Region.Framework.Scenes
         public bool AddRestoredSceneObject(
             SceneObjectGroup sceneObject, bool attachToBackup, bool alreadyPersisted, bool sendClientUpdates)
         {
-            return m_sceneGraph.AddRestoredSceneObject(sceneObject, attachToBackup, alreadyPersisted, sendClientUpdates);
+            bool result =  m_sceneGraph.AddRestoredSceneObject(sceneObject, attachToBackup, alreadyPersisted, sendClientUpdates);
+            if (result)
+                sceneObject.IsDeleted = false;
+            return result;
         }
         
         /// <summary>
@@ -2171,6 +2254,15 @@ 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();
@@ -2179,11 +2271,24 @@ namespace OpenSim.Region.Framework.Scenes
                     if (e is SceneObjectGroup)
                     {
                         SceneObjectGroup sog = (SceneObjectGroup)e;
-                        if (!sog.IsAttachment)
-                            DeleteSceneObject((SceneObjectGroup)e, false);
+                        if (sog != null && !sog.IsAttachment)
+                        {
+                            if (!exceptNoCopy || ((sog.GetEffectivePermissions() & (uint)PermissionMask.Copy) != 0))
+                            {
+                                DeleteSceneObject((SceneObjectGroup)e, false);
+                            }
+                            else
+                            {
+                                toReturn.Add((SceneObjectGroup)e);   
+                            }
+                        }
                     }
                 }
             }
+            if (toReturn.Count > 0)
+            {
+                returnObjects(toReturn.ToArray(), UUID.Zero);
+            }
         }
 
         /// <summary>
@@ -2235,6 +2340,8 @@ 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);            
         }
@@ -2525,7 +2632,7 @@ namespace OpenSim.Region.Framework.Scenes
             // If the user is banned, we won't let any of their objects
             // enter. Period.
             //
-            if (RegionInfo.EstateSettings.IsBanned(newObject.OwnerID))
+            if (RegionInfo.EstateSettings.IsBanned(newObject.OwnerID, 36))
             {
                 m_log.InfoFormat("[INTERREGION]: Denied prim crossing for banned avatar {0}", newObject.OwnerID);
                 return false;
@@ -2533,6 +2640,8 @@ namespace OpenSim.Region.Framework.Scenes
 
             if (newPosition != Vector3.Zero)
                 newObject.RootPart.GroupPosition = newPosition;
+            if (newObject.RootPart.KeyframeMotion != null)
+                newObject.RootPart.KeyframeMotion.UpdateSceneObject(newObject);
 
             if (!AddSceneObject(newObject))
             {
@@ -2577,6 +2686,23 @@ 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;
@@ -2610,16 +2736,27 @@ namespace OpenSim.Region.Framework.Scenes
                     RootPrim.RemFlag(PrimFlags.TemporaryOnRez);
                     
                     if (AttachmentsModule != null)
-                        AttachmentsModule.AttachObject(sp, grp, 0, false);
+                        AttachmentsModule.AttachObject(sp, grp, 0, false, false);
                 }
                 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);
             }
 
@@ -2636,6 +2773,24 @@ namespace OpenSim.Region.Framework.Scenes
             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
@@ -2649,7 +2804,7 @@ namespace OpenSim.Region.Framework.Scenes
                 = (aCircuit.teleportFlags & (uint)Constants.TeleportFlags.ViaHGLogin) != 0
                     || (aCircuit.teleportFlags & (uint)Constants.TeleportFlags.ViaLogin) != 0;
 
-//            CheckHeartbeat();
+            CheckHeartbeat();
 
             ScenePresence sp = GetScenePresence(client.AgentId);
 
@@ -2703,7 +2858,13 @@ namespace OpenSim.Region.Framework.Scenes
 
             EventManager.TriggerOnNewClient(client);
             if (vialogin)
+            {
                 EventManager.TriggerOnClientLogin(client);
+                // Send initial parcel data
+                Vector3 pos = sp.AbsolutePosition;
+                ILandObject land = LandChannel.GetLandObject(pos.X, pos.Y);
+                land.SendLandUpdateToClient(client);
+            }
 
             return sp;
         }
@@ -2792,19 +2953,12 @@ 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);
+                        ScenePresence sp = GetScenePresence(agentID);
+                        PresenceService.LogoutAgent(sp.ControllingClient.SessionId);
+                        
                         if (sp != null)
-                        {
-                            PresenceService.LogoutAgent(sp.ControllingClient.SessionId);
-
                             sp.ControllingClient.Close();
-                        }
-                        else
-                        {
-                            m_log.WarnFormat("[SCENE]: Could not find scene presence for {0}", agentID);
-                        }
+
                         // BANG! SLASH!
                         m_authenticateHandler.RemoveCircuit(agentID);
 
@@ -2849,6 +3003,8 @@ 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;
@@ -2905,6 +3061,7 @@ 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;
@@ -2976,6 +3133,8 @@ 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;
@@ -3078,7 +3237,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         /// <param name="agentId">The avatar's Unique ID</param>
         /// <param name="client">The IClientAPI for the client</param>
-        public virtual void TeleportClientHome(UUID agentId, IClientAPI client)
+        public virtual bool TeleportClientHome(UUID agentId, IClientAPI client)
         {
             if (EntityTransferModule != null)
             {
@@ -3089,6 +3248,7 @@ namespace OpenSim.Region.Framework.Scenes
                 m_log.DebugFormat("[SCENE]: Unable to teleport user home: no AgentTransferModule is active");
                 client.SendTeleportFailed("Unable to perform teleports on this simulator.");
             }
+            return false;
         }
 
         /// <summary>
@@ -3198,6 +3358,16 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="flags"></param>
         public virtual void SetHomeRezPoint(IClientAPI remoteClient, ulong regionHandle, Vector3 position, Vector3 lookAt, uint flags)
         {
+            //Add half the avatar's height so that the user doesn't fall through prims
+            ScenePresence presence;
+            if (TryGetScenePresence(remoteClient.AgentId, out presence))
+            {
+                if (presence.Appearance != null)
+                {
+                    position.Z = position.Z + (presence.Appearance.AvatarHeight / 2);
+                }
+            }
+
             if (GridUserService != null && GridUserService.SetHome(remoteClient.AgentId.ToString(), RegionInfo.RegionID, position, lookAt))
                 // FUBAR ALERT: this needs to be "Home position set." so the viewer saves a home-screenshot.
                 m_dialogModule.SendAlertToUser(remoteClient, "Home position set.");
@@ -3314,6 +3484,7 @@ namespace OpenSim.Region.Framework.Scenes
                     AgentTransactionsModule.RemoveAgentAssetTransactions(agentID);
 
                 m_authenticateHandler.RemoveCircuit(avatar.ControllingClient.CircuitCode);
+                m_log.Debug("[Scene] The avatar has left the building");
             }
             catch (Exception e)
             {
@@ -3515,13 +3686,16 @@ namespace OpenSim.Region.Framework.Scenes
                 sp = null;
             }
 
-            ILandObject land = LandChannel.GetLandObject(agent.startpos.X, agent.startpos.Y);
 
             //On login test land permisions
             if (vialogin)
             {
-                if (land != null && !TestLandRestrictions(agent, land, out reason))
+                IUserAccountCacheModule cache = RequestModuleInterface<IUserAccountCacheModule>();
+                if (cache != null)
+                    cache.Remove(agent.firstname + " " + agent.lastname);
+                if (!TestLandRestrictions(agent.AgentID, out reason, ref agent.startpos.X, ref agent.startpos.Y))
                 {
+                    m_log.DebugFormat("[CONNECTION BEGIN]: Denying access to {0} due to no land access", agent.AgentID.ToString());
                     return false;
                 }
             }
@@ -3544,9 +3718,15 @@ namespace OpenSim.Region.Framework.Scenes
 
                 try
                 {
-                    if (!AuthorizeUser(agent, out reason))
-                        return false;
-                } catch (Exception e)
+                    // Always check estate if this is a login. Always
+                    // check if banned regions are to be blacked out.
+                    if (vialogin || (!m_seeIntoBannedRegion))
+                    {
+                        if (!AuthorizeUser(agent, out reason))
+                            return false;
+                    }
+                }
+                catch (Exception e)
                 {
                     m_log.ErrorFormat(
                         "[SCENE]: Exception authorizing user {0}{1}", e.Message, e.StackTrace);
@@ -3677,6 +3857,8 @@ 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)
@@ -3684,25 +3866,34 @@ namespace OpenSim.Region.Framework.Scenes
                         agent.startpos = land.LandData.UserLocation;
                     }
                 }
+                */// This is now handled properly in ScenePresence.MakeRootAgent
             }
 
             return true;
         }
 
-        private bool TestLandRestrictions(AgentCircuitData agent, ILandObject land,  out string reason)
+        public bool TestLandRestrictions(UUID agentID, out string reason, ref float posX, ref float posY)
         {
-            bool banned = land.IsBannedFromLand(agent.AgentID);
-            bool restricted = land.IsRestrictedFromLand(agent.AgentID);
+            reason = String.Empty;
+            if (Permissions.IsGod(agentID))
+                return true;
+
+            ILandObject land = LandChannel.GetLandObject(posX, posY);
+            if (land == null)
+                return false;
+
+            bool banned = land.IsBannedFromLand(agentID);
+            bool restricted = land.IsRestrictedFromLand(agentID);
 
             if (banned || restricted)
             {
-                ILandObject nearestParcel = GetNearestAllowedParcel(agent.AgentID, agent.startpos.X, agent.startpos.Y);
+                ILandObject nearestParcel = GetNearestAllowedParcel(agentID, posX, posY);
                 if (nearestParcel != null)
                 {
                     //Move agent to nearest allowed
                     Vector3 newPosition = GetParcelCenterAtGround(nearestParcel);
-                    agent.startpos.X = newPosition.X;
-                    agent.startpos.Y = newPosition.Y;
+                    posX = newPosition.X;
+                    posY = newPosition.Y;
                 }
                 else
                 {
@@ -3764,7 +3955,7 @@ namespace OpenSim.Region.Framework.Scenes
 
             if (!m_strictAccessControl) return true;
             if (Permissions.IsGod(agent.AgentID)) return true;
-                      
+
             if (AuthorizationService != null)
             {
                 if (!AuthorizationService.IsAuthorizedForRegion(
@@ -3779,7 +3970,7 @@ namespace OpenSim.Region.Framework.Scenes
 
             if (RegionInfo.EstateSettings != null)
             {
-                if (RegionInfo.EstateSettings.IsBanned(agent.AgentID))
+                if (RegionInfo.EstateSettings.IsBanned(agent.AgentID, 0))
                 {
                     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);
@@ -3969,6 +4160,15 @@ namespace OpenSim.Region.Framework.Scenes
 
             // XPTO: if this agent is not allowed here as root, always 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, Constants.RegionSize / 2, Constants.RegionSize / 2);
             if (nearestParcel == null)
@@ -4062,12 +4262,22 @@ 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 agent to disconnect from the region.
         /// </summary>
-        /// <param name="regionHandle"></param>
         /// <param name="agentID"></param>
-        public bool IncomingCloseAgent(UUID agentID)
+        /// <param name="childOnly"></param>
+        public bool IncomingCloseAgent(UUID agentID, bool childOnly)
         {
             //m_log.DebugFormat("[SCENE]: Processing incoming close agent for {0}", agentID);
 
@@ -4688,35 +4898,81 @@ 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
+            //
+            // 4 = Sim is up and both packet threads are running. Sim is
+            // likely usable
             //
-            // 3 = We have seen a new user enter within the past 4 minutes
+            // 5 = We have seen a new user enter within the past 4 minutes
             // which can be seen as positive confirmation of sim health
             //
+
+            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;
+            }
+
             int health=1; // Start at 1, means we're up
 
             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;
         }
 
@@ -4804,7 +5060,7 @@ 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
             }
         }
 
@@ -4903,14 +5159,14 @@ namespace OpenSim.Region.Framework.Scenes
             return (((vsn.X * xdiff) + (vsn.Y * ydiff)) / (-1 * vsn.Z)) + p0.Z;
         }
 
-//        private void CheckHeartbeat()
-//        {
-//            if (m_firstHeartbeat)
-//                return;
-//
-//            if (Util.EnvironmentTickCountSubtract(m_lastFrameTick) > 2000)
-//                StartTimer();
-//        }
+        private void CheckHeartbeat()
+        {
+            if (m_firstHeartbeat)
+                return;
+
+            if ((Util.EnvironmentTickCountSubtract(m_lastFrameTick)) > 5000)
+                Start();
+        }
 
         public override ISceneObject DeserializeObject(string representation)
         {
@@ -4922,9 +5178,14 @@ namespace OpenSim.Region.Framework.Scenes
             get { return m_allowScriptCrossings; }
         }
 
-        public Vector3? GetNearestAllowedPosition(ScenePresence avatar)
+        public Vector3 GetNearestAllowedPosition(ScenePresence avatar)
         {
-            ILandObject nearestParcel = GetNearestAllowedParcel(avatar.UUID, avatar.AbsolutePosition.X, avatar.AbsolutePosition.Y);
+            return GetNearestAllowedPosition(avatar, null);
+        }
+
+        public Vector3 GetNearestAllowedPosition(ScenePresence avatar, ILandObject excludeParcel)
+        {
+            ILandObject nearestParcel = GetNearestAllowedParcel(avatar.UUID, avatar.AbsolutePosition.X, avatar.AbsolutePosition.Y, excludeParcel);
 
             if (nearestParcel != null)
             {
@@ -4933,10 +5194,7 @@ namespace OpenSim.Region.Framework.Scenes
                 Vector3? nearestPoint = GetNearestPointInParcelAlongDirectionFromPoint(avatar.AbsolutePosition, dir, nearestParcel);
                 if (nearestPoint != null)
                 {
-//                    m_log.DebugFormat(
-//                        "[SCENE]: Found a sane previous position based on velocity for {0}, sending them to {1} in {2}",
-//                        avatar.Name, nearestPoint, nearestParcel.LandData.Name);
-
+                    Debug.WriteLine("Found a sane previous position based on velocity, sending them to: " + nearestPoint.ToString());
                     return nearestPoint.Value;
                 }
 
@@ -4946,17 +5204,20 @@ namespace OpenSim.Region.Framework.Scenes
                 nearestPoint = GetNearestPointInParcelAlongDirectionFromPoint(avatar.AbsolutePosition, dir, nearestParcel);
                 if (nearestPoint != null)
                 {
-//                    m_log.DebugFormat(
-//                        "[SCENE]: {0} had a zero velocity, sending them to {1}", avatar.Name, nearestPoint);
-
+                    Debug.WriteLine("They had a zero velocity, sending them to: " + nearestPoint.ToString());
                     return nearestPoint.Value;
                 }
 
-                //Ultimate backup if we have no idea where they are
-//                m_log.DebugFormat(
-//                    "[SCENE]: No idea where {0} is, sending them to {1}", avatar.Name, avatar.lastKnownAllowedPosition);
+                ILandObject dest = LandChannel.GetLandObject(avatar.lastKnownAllowedPosition.X, avatar.lastKnownAllowedPosition.Y);
+                if (dest !=  excludeParcel)
+                {
+                    // Ultimate backup if we have no idea where they are and
+                    // the last allowed position was in another parcel
+                    Debug.WriteLine("Have no idea where they are, sending them to: " + avatar.lastKnownAllowedPosition.ToString());
+                    return avatar.lastKnownAllowedPosition;
+                }
 
-                return avatar.lastKnownAllowedPosition;
+                // else fall through to region edge
             }
 
             //Go to the edge, this happens in teleporting to a region with no available parcels
@@ -4990,13 +5251,18 @@ namespace OpenSim.Region.Framework.Scenes
 
         public ILandObject GetNearestAllowedParcel(UUID avatarId, float x, float y)
         {
+            return GetNearestAllowedParcel(avatarId, x, y, null);
+        }
+
+        public ILandObject GetNearestAllowedParcel(UUID avatarId, float x, float y, ILandObject excludeParcel)
+        {
             List<ILandObject> all = AllParcels();
             float minParcelDistance = float.MaxValue;
             ILandObject nearestParcel = null;
 
             foreach (var parcel in all)
             {
-                if (!parcel.IsEitherBannedOrRestricted(avatarId))
+                if (!parcel.IsEitherBannedOrRestricted(avatarId) && parcel != excludeParcel)
                 {
                     float parcelDistance = GetParcelDistancefromPoint(parcel, x, y);
                     if (parcelDistance < minParcelDistance)
@@ -5238,7 +5504,55 @@ 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();
 
@@ -5266,6 +5580,8 @@ namespace OpenSim.Region.Framework.Scenes
         /// <returns></returns>
         public bool QueryAccess(UUID agentID, Vector3 position, out string reason)
         {
+            reason = "You are banned from the region";
+
             if (EntityTransferModule.IsInTransit(agentID))
             {
                 reason = "Agent is still in transit from this region";
@@ -5277,6 +5593,12 @@ namespace OpenSim.Region.Framework.Scenes
                 return false;
             }
 
+            if (Permissions.IsGod(agentID))
+            {
+                reason = String.Empty;
+                return true;
+            }
+
             // FIXME: Root agent count is currently known to be inaccurate.  This forces a recount before we check.
             // However, the long term fix is to make sure root agent count is always accurate.
             m_sceneGraph.RecalculateStats();
@@ -5297,6 +5619,41 @@ namespace OpenSim.Region.Framework.Scenes
                 }
             }
 
+            ScenePresence presence = GetScenePresence(agentID);
+            IClientAPI client = null;
+            AgentCircuitData aCircuit = null;
+
+            if (presence != null)
+            {
+                client = presence.ControllingClient;
+                if (client != null)
+                    aCircuit = client.RequestClientInfo();
+            }
+
+            // We may be called before there is a presence or a client.
+            // Fake AgentCircuitData to keep IAuthorizationModule smiling
+            if (client == null)
+            {
+                aCircuit = new AgentCircuitData();
+                aCircuit.AgentID = agentID;
+                aCircuit.firstname = String.Empty;
+                aCircuit.lastname = String.Empty;
+            }
+
+            try
+            {
+                if (!AuthorizeUser(aCircuit, out reason))
+                {
+                    // m_log.DebugFormat("[SCENE]: Denying access for {0}", agentID);
+                    return false;
+                }
+            }
+            catch (Exception e)
+            {
+                m_log.DebugFormat("[SCENE]: Exception authorizing agent: {0} "+ e.StackTrace, e.Message);
+                return false;
+            }
+
             if (position == Vector3.Zero) // Teleport
             {
                 if (!RegionInfo.EstateSettings.AllowDirectTeleport)
@@ -5325,13 +5682,46 @@ namespace OpenSim.Region.Framework.Scenes
                         }
                     }
                 }
+
+                float posX = 128.0f;
+                float posY = 128.0f;
+
+                if (!TestLandRestrictions(agentID, out reason, ref posX, ref posY))
+                {
+                    // m_log.DebugFormat("[SCENE]: Denying {0} because they are banned on all parcels", agentID);
+                    return false;
+                }
+            }
+            else // Walking
+            {
+                ILandObject land = LandChannel.GetLandObject(position.X, position.Y);
+                if (land == null)
+                    return false;
+
+                bool banned = land.IsBannedFromLand(agentID);
+                bool restricted = land.IsRestrictedFromLand(agentID);
+
+                if (banned || restricted)
+                    return false;
             }
 
             reason = String.Empty;
             return true;
         }
 
-        /// <summary>
+                public void StartTimerWatchdog()
+        {
+            m_timerWatchdog.Interval = 1000;
+            m_timerWatchdog.Elapsed += TimerWatchdog;
+            m_timerWatchdog.AutoReset = true;
+            m_timerWatchdog.Start();
+        }
+
+        public void TimerWatchdog(object sender, ElapsedEventArgs e)
+        {
+            CheckHeartbeat();
+                }
+
         /// 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>
@@ -5409,5 +5799,10 @@ namespace OpenSim.Region.Framework.Scenes
                 m_SpawnPoint = 1;
             return m_SpawnPoint - 1;
         }
+
+        private void HandleGcCollect(string module, string[] args)
+        {
+            GC.Collect();
+        }
     }
 }