50 files changed, 1304 insertions, 663 deletions
diff --git a/OpenSim/Data/IRegionData.cs b/OpenSim/Data/IRegionData.cs
index 546b5e8..70e1065 100644
--- a/OpenSim/Data/IRegionData.cs
+++ b/OpenSim/Data/IRegionData.cs
@@ -85,21 +85,6 @@ namespace OpenSim.Data
        List<RegionData> GetHyperlinks(UUID scopeID);
    }
-    [Flags]
-    public enum RegionFlags : int
-    {
-        DefaultRegion = 1, // Used for new Rez. Random if multiple defined
-        FallbackRegion = 2, // Regions we redirect to when the destination is down
-        RegionOnline = 4, // Set when a region comes online, unset when it unregisters and DeleteOnUnregister is false
-        NoDirectLogin = 8, // Region unavailable for direct logins (by name)
-        Persistent = 16, // Don't remove on unregister
-        LockedOut = 32, // Don't allow registration
-        NoMove = 64, // Don't allow moving this region
-        Reservation = 128, // This is an inactive reservation
-        Authenticate = 256, // Require authentication
-        Hyperlink = 512 // Record represents a HG link
-    }
-    
    public class RegionDataDistanceCompare : IComparer<RegionData>
    {
        private Vector2 m_origin;
diff --git a/OpenSim/Data/MSSQL/MSSQLRegionData.cs b/OpenSim/Data/MSSQL/MSSQLRegionData.cs
index 3ae87c3..0d89706 100644
--- a/OpenSim/Data/MSSQL/MSSQLRegionData.cs
+++ b/OpenSim/Data/MSSQL/MSSQLRegionData.cs
@@ -37,6 +37,7 @@ using OpenMetaverse;
 using OpenSim.Framework;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
+using RegionFlags = OpenSim.Framework.RegionFlags;
 namespace OpenSim.Data.MSSQL
 {
diff --git a/OpenSim/Data/MySQL/MySQLRegionData.cs b/OpenSim/Data/MySQL/MySQLRegionData.cs
index 0614879..a2d4ae4 100644
--- a/OpenSim/Data/MySQL/MySQLRegionData.cs
+++ b/OpenSim/Data/MySQL/MySQLRegionData.cs
@@ -30,11 +30,11 @@ using System.Collections;
 using System.Collections.Generic;
 using System.Data;
 using System.Reflection;
+using MySql.Data.MySqlClient;
 using OpenMetaverse;
 using OpenSim.Framework;
 using OpenSim.Data;
-using MySql.Data.MySqlClient;
+using RegionFlags = OpenSim.Framework.RegionFlags;
 namespace OpenSim.Data.MySQL
 {
diff --git a/OpenSim/Data/Null/NullRegionData.cs b/OpenSim/Data/Null/NullRegionData.cs
index deb50cb..b4d701a 100644
--- a/OpenSim/Data/Null/NullRegionData.cs
+++ b/OpenSim/Data/Null/NullRegionData.cs
@@ -33,6 +33,7 @@ using OpenSim.Framework;
 using OpenSim.Data;
 using System.Reflection;
 using log4net;
+using RegionFlags = OpenSim.Framework.RegionFlags;
 namespace OpenSim.Data.Null
 {
diff --git a/OpenSim/Framework/Console/ConsoleUtil.cs b/OpenSim/Framework/Console/ConsoleUtil.cs
index 2612a50..a7cf0c0 100644
--- a/OpenSim/Framework/Console/ConsoleUtil.cs
+++ b/OpenSim/Framework/Console/ConsoleUtil.cs
@@ -34,7 +34,7 @@ using OpenMetaverse;
 public class ConsoleUtil
 {
-    private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+//    private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
    public const string MinRawConsoleVectorValue = "-~";
    public const string MaxRawConsoleVectorValue = "~";
@@ -107,7 +107,7 @@ public class ConsoleUtil
        string semiDigestedConsoleVector = string.Join(VectorSeparator, semiDigestedComponents.ToArray());
-        m_log.DebugFormat("[CONSOLE UTIL]: Parsing {0} into OpenMetaverse.Vector3", semiDigestedConsoleVector);
+//        m_log.DebugFormat("[CONSOLE UTIL]: Parsing {0} into OpenMetaverse.Vector3", semiDigestedConsoleVector);
        return Vector3.TryParse(semiDigestedConsoleVector, out vector);
    }
diff --git a/OpenSim/Framework/Monitoring/SimExtraStatsCollector.cs b/OpenSim/Framework/Monitoring/SimExtraStatsCollector.cs
index 8ac9090..aa86202 100644
--- a/OpenSim/Framework/Monitoring/SimExtraStatsCollector.cs
+++ b/OpenSim/Framework/Monitoring/SimExtraStatsCollector.cs
@@ -359,13 +359,19 @@ Asset service request failures: {3}" + Environment.NewLine,
                    inPacketsPerSecond, outPacketsPerSecond, pendingDownloads, pendingUploads, unackedBytes, totalFrameTime,
                    netFrameTime, physicsFrameTime, otherFrameTime, agentFrameTime, imageFrameTime));
-            foreach (KeyValuePair<string, Stat> kvp in StatsManager.RegisteredStats)
+            Dictionary<string, Dictionary<string, Stat>> sceneStats;
-            {
-                Stat stat = kvp.Value;
-                if (stat.Category == "scene" && stat.Verbosity == StatVerbosity.Info)
+            if (StatsManager.TryGetStats("scene", out sceneStats))
+            {
+                foreach (KeyValuePair<string, Dictionary<string, Stat>> kvp in sceneStats)
                {
-                    sb.AppendFormat("Slow frames ({0}): {1}\n", stat.Container, stat.Value);
+                    foreach (Stat stat in kvp.Value.Values)
+                    {
+                        if (stat.Verbosity == StatVerbosity.Info)
+                        {
+                            sb.AppendFormat("{0} ({1}): {2}{3}\n", stat.Name, stat.Container, stat.Value, stat.UnitName);
+                        }
+                    }
                }
            }
diff --git a/OpenSim/Framework/Monitoring/StatsManager.cs b/OpenSim/Framework/Monitoring/StatsManager.cs
index b5dc24f..31989e5 100644
--- a/OpenSim/Framework/Monitoring/StatsManager.cs
+++ b/OpenSim/Framework/Monitoring/StatsManager.cs
@@ -35,13 +35,23 @@ namespace OpenSim.Framework.Monitoring
    /// </summary>
    public class StatsManager
    {
+        // Subcommand used to list other stats.
+        public const string AllSubCommand = "all";
+        // Subcommand used to list other stats.
+        public const string ListSubCommand = "list";
+        // All subcommands
+        public static HashSet<string> SubCommands = new HashSet<string> { AllSubCommand, ListSubCommand };
        /// <summary>
-        /// Registered stats.
+        /// Registered stats categorized by category/container/shortname
        /// </summary>
        /// <remarks>
-        /// Do not add or remove from this dictionary.
+        /// Do not add or remove directly from this dictionary.
        /// </remarks>
-        public static Dictionary<string, Stat> RegisteredStats = new Dictionary<string, Stat>();
+        public static Dictionary<string, Dictionary<string, Dictionary<string, Stat>>> RegisteredStats
+            = new Dictionary<string, Dictionary<string, Dictionary<string, Stat>>>();
        private static AssetStatsCollector assetStats;
        private static UserStatsCollector userStats;
@@ -51,6 +61,75 @@ namespace OpenSim.Framework.Monitoring
        public static UserStatsCollector UserStats { get { return userStats; } }
        public static SimExtraStatsCollector SimExtraStats { get { return simExtraStats; } }
+        public static void RegisterConsoleCommands(ICommandConsole console)
+        {
+            console.Commands.AddCommand(
+                "General",
+                false,
+                "show stats",
+                "show stats [list|all|<category>]",
+                "Show statistical information for this server",
+                "If no final argument is specified then legacy statistics information is currently shown.\n"
+                    + "If list is specified then statistic categories are shown.\n"
+                    + "If all is specified then all registered statistics are shown.\n"
+                    + "If a category name is specified then only statistics from that category are shown.\n"
+                    + "THIS STATS FACILITY IS EXPERIMENTAL AND DOES NOT YET CONTAIN ALL STATS",
+                HandleShowStatsCommand);
+        }
+        public static void HandleShowStatsCommand(string module, string[] cmd)
+        {
+            ICommandConsole con = MainConsole.Instance;
+            if (cmd.Length > 2)
+            {
+                var categoryName = cmd[2];
+                if (categoryName == AllSubCommand)
+                {
+                    foreach (var category in RegisteredStats.Values)
+                    {
+                        OutputCategoryStatsToConsole(con, category);
+                    }
+                }
+                else if (categoryName == ListSubCommand)
+                {
+                    con.Output("Statistic categories available are:");
+                    foreach (string category in RegisteredStats.Keys)
+                        con.OutputFormat("  {0}", category);
+                }
+                else
+                {
+                    Dictionary<string, Dictionary<string, Stat>> category;
+                    if (!RegisteredStats.TryGetValue(categoryName, out category))
+                    {
+                        con.OutputFormat("No such category as {0}", categoryName);
+                    }
+                    else
+                    {
+                        OutputCategoryStatsToConsole(con, category);
+                    }
+                }
+            }
+            else
+            {
+                // Legacy
+                con.Output(SimExtraStats.Report());
+            }
+        }
+        private static void OutputCategoryStatsToConsole(
+            ICommandConsole con, Dictionary<string, Dictionary<string, Stat>> category)
+        {
+            foreach (var container in category.Values)
+            {
+                foreach (Stat stat in container.Values)
+                {
+                    con.Output(stat.ToConsoleString());
+                }
+            }
+        }
        /// <summary>
        /// Start collecting statistics related to assets.
        /// Should only be called once.
@@ -73,43 +152,100 @@ namespace OpenSim.Framework.Monitoring
            return userStats;
        }
+        /// <summary>
+        /// Registers a statistic.
+        /// </summary>
+        /// <param name='stat'></param>
+        /// <returns></returns>
        public static bool RegisterStat(Stat stat)
        {
+            Dictionary<string, Dictionary<string, Stat>> category = null, newCategory;
+            Dictionary<string, Stat> container = null, newContainer;
            lock (RegisteredStats)
            {
-                if (RegisteredStats.ContainsKey(stat.UniqueName))
+                // Stat name is not unique across category/container/shortname key.
-                {
+                // XXX: For now just return false.  This is to avoid problems in regression tests where all tests
-                    // XXX: For now just return false.  This is to avoid problems in regression tests where all tests
+                // in a class are run in the same instance of the VM.
-                    // in a class are run in the same instance of the VM.
+                if (TryGetStat(stat, out category, out container))
                    return false;
-//                    throw new Exception(
+                // We take a copy-on-write approach here of replacing dictionaries when keys are added or removed.
-//                        "StatsManager already contains stat with ShortName {0} in Category {1}", stat.ShortName, stat.Category);
+                // This means that we don't need to lock or copy them on iteration, which will be a much more
-                }
+                // common operation after startup.
+                if (container != null)
+                    newContainer = new Dictionary<string, Stat>(container);
+                else
+                    newContainer = new Dictionary<string, Stat>();
-                // We take a replace-on-write approach here so that we don't need to generate a new Dictionary
+                if (category != null)
-                Dictionary<string, Stat> newRegisteredStats = new Dictionary<string, Stat>(RegisteredStats);
+                    newCategory = new Dictionary<string, Dictionary<string, Stat>>(category);
-                newRegisteredStats[stat.UniqueName] = stat;
+                else
-                RegisteredStats = newRegisteredStats;
+                    newCategory = new Dictionary<string, Dictionary<string, Stat>>();
+                newContainer[stat.ShortName] = stat;
+                newCategory[stat.Container] = newContainer;
+                RegisteredStats[stat.Category] = newCategory;
            }
            return true;
        }
+        /// <summary>
+        /// Deregister a statistic
+        /// </summary>>
+        /// <param name='stat'></param>
+        /// <returns></returns
        public static bool DeregisterStat(Stat stat)
        {
+            Dictionary<string, Dictionary<string, Stat>> category = null, newCategory;
+            Dictionary<string, Stat> container = null, newContainer;
            lock (RegisteredStats)
            {
-                if (!RegisteredStats.ContainsKey(stat.UniqueName))
+                if (!TryGetStat(stat, out category, out container))
                    return false;
-                Dictionary<string, Stat> newRegisteredStats = new Dictionary<string, Stat>(RegisteredStats);
+                newContainer = new Dictionary<string, Stat>(container);
-                newRegisteredStats.Remove(stat.UniqueName);
+                newContainer.Remove(stat.UniqueName);
-                RegisteredStats = newRegisteredStats;
+                newCategory = new Dictionary<string, Dictionary<string, Stat>>(category);
+                newCategory.Remove(stat.Container);
+                newCategory[stat.Container] = newContainer;
+                RegisteredStats[stat.Category] = newCategory;
                return true;
            }
        }
+        public static bool TryGetStats(string category, out Dictionary<string, Dictionary<string, Stat>> stats)
+        {
+            return RegisteredStats.TryGetValue(category, out stats);
+        }
+        public static bool TryGetStat(
+            Stat stat,
+            out Dictionary<string, Dictionary<string, Stat>> category,
+            out Dictionary<string, Stat> container)
+        {
+            category = null;
+            container = null;
+            lock (RegisteredStats)
+            {
+                if (RegisteredStats.TryGetValue(stat.Category, out category))
+                {
+                    if (category.TryGetValue(stat.Container, out container))
+                    {
+                        if (container.ContainsKey(stat.ShortName))
+                            return true;
+                    }
+                }
+            }
+            return false;
+        }
    }
    /// <summary>
@@ -157,9 +293,26 @@ namespace OpenSim.Framework.Monitoring
        public virtual double Value { get; set; }
+        /// <summary>
+        /// Constructor
+        /// </summary>
+        /// <param name='shortName'>Short name for the stat.  Must not contain spaces.  e.g. "LongFrames"</param>
+        /// <param name='name'>Human readable name for the stat.  e.g. "Long frames"</param>
+        /// <param name='unitName'>
+        /// Unit name for the stat.  Should be preceeded by a space if the unit name isn't normally appeneded immediately to the value.
+        /// e.g. " frames"
+        /// </param>
+        /// <param name='category'>Category under which this stat should appear, e.g. "scene".  Do not capitalize.</param>
+        /// <param name='container'>Entity to which this stat relates.  e.g. scene name if this is a per scene stat.</param>
+        /// <param name='verbosity'>Verbosity of stat.  Controls whether it will appear in short stat display or only full display.</param>
+        /// <param name='description'>Description of stat</param>
        public Stat(
            string shortName, string name, string unitName, string category, string container, StatVerbosity verbosity, string description)
        {
+            if (StatsManager.SubCommands.Contains(category))
+                throw new Exception(
+                    string.Format("Stat cannot be in category '{0}' since this is reserved for a subcommand", category));
            ShortName = shortName;
            Name = name;
            UnitName = unitName;
@@ -175,6 +328,12 @@ namespace OpenSim.Framework.Monitoring
        {
            return string.Format("{0}+{1}+{2}", container, category, shortName);
        }
+        public virtual string ToConsoleString()
+        {
+            return string.Format(
+                "{0}.{1}.{2} : {3}{4}", Category, Container, ShortName, Value, UnitName);
+        }
    }
    public class PercentageStat : Stat
@@ -192,7 +351,7 @@ namespace OpenSim.Framework.Monitoring
                if (c == 0)
                    return 0;
-                return (double)Antecedent / c;
+                return (double)Antecedent / c * 100;
            }
            set
@@ -203,8 +362,13 @@ namespace OpenSim.Framework.Monitoring
        public PercentageStat(
            string shortName, string name, string category, string container, StatVerbosity verbosity, string description)
-            : base(shortName, name, " %", category, container, verbosity, description)
+            : base(shortName, name, "%", category, container, verbosity, description) {}
+        public override string ToConsoleString()
        {
+            return string.Format(
+                "{0}.{1}.{2} : {3:0.##}{4} ({5}/{6})",
+                Category, Container, ShortName, Value, UnitName, Antecedent, Consequent);
        }
    }
 }
 \ No newline at end of file
diff --git a/OpenSim/Framework/Monitoring/Watchdog.cs b/OpenSim/Framework/Monitoring/Watchdog.cs
index eaddb8c..28d6d5c 100644
--- a/OpenSim/Framework/Monitoring/Watchdog.cs
+++ b/OpenSim/Framework/Monitoring/Watchdog.cs
@@ -231,7 +231,25 @@ namespace OpenSim.Framework.Monitoring
        private static bool RemoveThread(int threadID)
        {
            lock (m_threads)
-                return m_threads.Remove(threadID);
+            {
+                ThreadWatchdogInfo twi;
+                if (m_threads.TryGetValue(threadID, out twi))
+                {
+                    m_log.DebugFormat(
+                        "[WATCHDOG]: Removing thread {0}, ID {1}", twi.Thread.Name, twi.Thread.ManagedThreadId);
+                    m_threads.Remove(threadID);
+                    return true;
+                }
+                else
+                {
+                    m_log.WarnFormat(
+                        "[WATCHDOG]: Requested to remove thread with ID {0} but this is not being monitored", threadID);
+                    return false;
+                }
+            }
        }
        public static bool AbortThread(int threadID)
diff --git a/OpenSim/Framework/RegionFlags.cs b/OpenSim/Framework/RegionFlags.cs
new file mode 100644
index 0000000..a3089b0
--- /dev/null
+++ b/OpenSim/Framework/RegionFlags.cs
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+using System;
+namespace OpenSim.Framework
+{
+    /// <summary>
+    /// Region flags used internally by OpenSimulator to store installation specific information about regions.
+    /// </summary>
+    /// <remarks>
+    /// Don't confuse with OpenMetaverse.RegionFlags which are client facing flags (i.e. they go over the wire).
+    /// Returned by IGridService.GetRegionFlags()
+    /// </remarks>
+    [Flags]
+    public enum RegionFlags : int
+    {
+        DefaultRegion = 1, // Used for new Rez. Random if multiple defined
+        FallbackRegion = 2, // Regions we redirect to when the destination is down
+        RegionOnline = 4, // Set when a region comes online, unset when it unregisters and DeleteOnUnregister is false
+        NoDirectLogin = 8, // Region unavailable for direct logins (by name)
+        Persistent = 16, // Don't remove on unregister
+        LockedOut = 32, // Don't allow registration
+        NoMove = 64, // Don't allow moving this region
+        Reservation = 128, // This is an inactive reservation
+        Authenticate = 256, // Require authentication
+        Hyperlink = 512 // Record represents a HG link
+    }
+}
+\ No newline at end of file
diff --git a/OpenSim/Framework/Servers/BaseOpenSimServer.cs b/OpenSim/Framework/Servers/BaseOpenSimServer.cs
index cf19002..a8f3a9e 100644
--- a/OpenSim/Framework/Servers/BaseOpenSimServer.cs
+++ b/OpenSim/Framework/Servers/BaseOpenSimServer.cs
@@ -96,11 +96,6 @@ namespace OpenSim.Framework.Servers
            get { return m_httpServer; }
        }
-        /// <summary>
-        /// Holds the non-viewer statistics collection object for this service/server
-        /// </summary>
-        protected IStatsCollector m_stats;
        public BaseOpenSimServer()
        {
            m_startuptime = DateTime.Now;
@@ -177,10 +172,6 @@ namespace OpenSim.Framework.Servers
                        "show info",
                        "Show general information about the server", HandleShow);
-                m_console.Commands.AddCommand("General", false, "show stats",
-                        "show stats",
-                        "Show statistics", HandleShow);
                m_console.Commands.AddCommand("General", false, "show threads",
                        "show threads",
                        "Show thread status", HandleShow);
@@ -226,12 +217,7 @@ namespace OpenSim.Framework.Servers
        {
            StringBuilder sb = new StringBuilder("DIAGNOSTICS\n\n");
            sb.Append(GetUptimeReport());
+            sb.Append(StatsManager.SimExtraStats.Report());
-            if (m_stats != null)
-            {
-                sb.Append(m_stats.Report());
-            }
            sb.Append(Environment.NewLine);
            sb.Append(GetThreadsReport());
@@ -382,10 +368,6 @@ namespace OpenSim.Framework.Servers
            {
                Notice("set log level [level] - change the console logging level only.  For example, off or debug.");
                Notice("show info - show server information (e.g. startup path).");
-                if (m_stats != null)
-                    Notice("show stats - show statistical information for this server");
                Notice("show threads - list tracked threads");
                Notice("show uptime - show server startup time and uptime.");
                Notice("show version - show server version.");
@@ -409,11 +391,6 @@ namespace OpenSim.Framework.Servers
                    ShowInfo();
                    break;
-                case "stats":
-                    if (m_stats != null)
-                        Notice(m_stats.Report());
-                    break;
                case "threads":
                    Notice(GetThreadsReport());
                    break;
@@ -604,8 +581,7 @@ namespace OpenSim.Framework.Servers
        
        public string osSecret {
            // Secret uuid for the simulator
-            get { return m_osSecret; }
+            get { return m_osSecret; }            
-            
        }
        public string StatReport(IOSHttpRequest httpRequest)
@@ -613,11 +589,11 @@ namespace OpenSim.Framework.Servers
            // If we catch a request for "callback", wrap the response in the value for jsonp
            if (httpRequest.Query.ContainsKey("callback"))
            {
-                return httpRequest.Query["callback"].ToString() + "(" + m_stats.XReport((DateTime.Now - m_startuptime).ToString() , m_version) + ");";
+                return httpRequest.Query["callback"].ToString() + "(" + StatsManager.SimExtraStats.XReport((DateTime.Now - m_startuptime).ToString() , m_version) + ");";
            } 
            else 
            {
-                return m_stats.XReport((DateTime.Now - m_startuptime).ToString() , m_version); 
+                return StatsManager.SimExtraStats.XReport((DateTime.Now - m_startuptime).ToString() , m_version);
            }
        }
           
diff --git a/OpenSim/Region/Application/OpenSim.cs b/OpenSim/Region/Application/OpenSim.cs
index a9b2745..3d4dce1 100644
--- a/OpenSim/Region/Application/OpenSim.cs
+++ b/OpenSim/Region/Application/OpenSim.cs
@@ -254,8 +254,14 @@ namespace OpenSim
            m_console.Commands.AddCommand("Debug", false, "debug teleport", "debug teleport", "Toggle teleport route debugging", Debug);
            m_console.Commands.AddCommand("Debug", false, "debug scene",
-                                          "debug scene <scripting> <collisions> <physics>",
+                                          "debug scene active|collisions|physics|scripting|teleport true|false",
-                                          "Turn on scene debugging", Debug);
+                                          "Turn on scene debugging.",
+                                            "If active     is false then main scene update and maintenance loops are suspended.\n"
+                                          + "If collisions is false then collisions with other objects are turned off.\n"
+                                          + "If physics    is false then all physics objects are non-physical.\n"
+                                          + "If scripting  is false then no scripting operations happen.\n"
+                                          + "If teleport   is true  then some extra teleport debug information is logged.",
+                                          Debug);
            m_console.Commands.AddCommand("General", false, "change region",
                                          "change region <region name>",
@@ -930,7 +936,8 @@ namespace OpenSim
                    }
                    else
                    {
-                        MainConsole.Instance.Output("Usage: debug scene scripting|collisions|physics|teleport true|false");
+                        MainConsole.Instance.Output(
+                            "Usage: debug scene active|scripting|collisions|physics|teleport true|false");
                    }
                    break;
diff --git a/OpenSim/Region/Application/OpenSimBase.cs b/OpenSim/Region/Application/OpenSimBase.cs
index d107b7a..b410a0e 100644
--- a/OpenSim/Region/Application/OpenSimBase.cs
+++ b/OpenSim/Region/Application/OpenSimBase.cs
@@ -232,8 +232,6 @@ namespace OpenSim
            base.StartupSpecific();
-            m_stats = StatsManager.SimExtraStats;
            // Create a ModuleLoader instance
            m_moduleLoader = new ModuleLoader(m_config.Source);
@@ -249,51 +247,51 @@ namespace OpenSim
                plugin.PostInitialise();
            }
-            AddPluginCommands();
+            if (m_console != null)
+            {
+                StatsManager.RegisterConsoleCommands(m_console);
+                AddPluginCommands(m_console);
+            }
        }
-        protected virtual void AddPluginCommands()
+        protected virtual void AddPluginCommands(CommandConsole console)
        {
-            // If console exists add plugin commands.
+            List<string> topics = GetHelpTopics();
-            if (m_console != null)
-            {
-                List<string> topics = GetHelpTopics();
-                foreach (string topic in topics)
+            foreach (string topic in topics)
-                {
+            {
-                    string capitalizedTopic = char.ToUpper(topic[0]) + topic.Substring(1);
+                string capitalizedTopic = char.ToUpper(topic[0]) + topic.Substring(1);
-                    // This is a hack to allow the user to enter the help command in upper or lowercase.  This will go
+                // This is a hack to allow the user to enter the help command in upper or lowercase.  This will go
-                    // away at some point.
+                // away at some point.
-                    m_console.Commands.AddCommand(capitalizedTopic, false, "help " + topic,
+                console.Commands.AddCommand(capitalizedTopic, false, "help " + topic,
-                                                  "help " + capitalizedTopic,
+                                              "help " + capitalizedTopic,
-                                                  "Get help on plugin command '" + topic + "'",
+                                              "Get help on plugin command '" + topic + "'",
-                                                  HandleCommanderHelp);
+                                              HandleCommanderHelp);
-                    m_console.Commands.AddCommand(capitalizedTopic, false, "help " + capitalizedTopic,
+                console.Commands.AddCommand(capitalizedTopic, false, "help " + capitalizedTopic,
-                                                  "help " + capitalizedTopic,
+                                              "help " + capitalizedTopic,
-                                                  "Get help on plugin command '" + topic + "'",
+                                              "Get help on plugin command '" + topic + "'",
-                                                  HandleCommanderHelp);
+                                              HandleCommanderHelp);
-                    ICommander commander = null;
+                ICommander commander = null;
-                    Scene s = SceneManager.CurrentOrFirstScene;
+                Scene s = SceneManager.CurrentOrFirstScene;
-                    if (s != null && s.GetCommanders() != null)
+                if (s != null && s.GetCommanders() != null)
-                    {
+                {
-                        if (s.GetCommanders().ContainsKey(topic))
+                    if (s.GetCommanders().ContainsKey(topic))
-                            commander = s.GetCommanders()[topic];
+                        commander = s.GetCommanders()[topic];
-                    }
+                }
-                    if (commander == null)
+                if (commander == null)
-                        continue;
+                    continue;
-                    foreach (string command in commander.Commands.Keys)
+                foreach (string command in commander.Commands.Keys)
-                    {
+                {
-                        m_console.Commands.AddCommand(capitalizedTopic, false,
+                    console.Commands.AddCommand(capitalizedTopic, false,
-                                                      topic + " " + command,
+                                                  topic + " " + command,
-                                                      topic + " " + commander.Commands[command].ShortHelp(),
+                                                  topic + " " + commander.Commands[command].ShortHelp(),
-                                                      String.Empty, HandleCommanderCommand);
+                                                  String.Empty, HandleCommanderCommand);
-                    }
                }
            }
        }
diff --git a/OpenSim/Region/ClientStack/Linden/Caps/EventQueue/EventQueueGetModule.cs b/OpenSim/Region/ClientStack/Linden/Caps/EventQueue/EventQueueGetModule.cs
index e113c60..132546b 100644
--- a/OpenSim/Region/ClientStack/Linden/Caps/EventQueue/EventQueueGetModule.cs
+++ b/OpenSim/Region/ClientStack/Linden/Caps/EventQueue/EventQueueGetModule.cs
@@ -94,7 +94,7 @@ namespace OpenSim.Region.ClientStack.Linden
                
                //scene.CommsManager.HttpServer.AddLLSDHandler("/CAPS/EQG/", EventQueueFallBack);
-                scene.EventManager.OnNewClient += OnNewClient;
+//                scene.EventManager.OnNewClient += OnNewClient;
                // TODO: Leaving these open, or closing them when we
                // become a child is incorrect. It messes up TP in a big
@@ -102,6 +102,7 @@ namespace OpenSim.Region.ClientStack.Linden
                // circuit is there.
                scene.EventManager.OnClientClosed += ClientClosed;
+                
                scene.EventManager.OnMakeChildAgent += MakeChildAgent;
                scene.EventManager.OnRegisterCaps += OnRegisterCaps;
@@ -226,16 +227,6 @@ namespace OpenSim.Region.ClientStack.Linden
        #endregion
-        private void OnNewClient(IClientAPI client)
-        {
-            //client.OnLogout += ClientClosed;
-        }
-//        private void ClientClosed(IClientAPI client)
-//        {
-//            ClientClosed(client.AgentId);
-//        }
        private void ClientClosed(UUID agentID, Scene scene)
        {
 //            m_log.DebugFormat("[EVENTQUEUE]: Closed client {0} in region {1}", agentID, m_scene.RegionInfo.RegionName);
diff --git a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
index 6ccabf1..d04bd96 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs
@@ -47,6 +47,7 @@ using OpenSim.Region.Framework.Scenes;
 using OpenSim.Services.Interfaces;
 using Timer = System.Timers.Timer;
 using AssetLandmark = OpenSim.Framework.AssetLandmark;
+using RegionFlags = OpenMetaverse.RegionFlags;
 using Nini.Config;
 using System.IO;
@@ -3983,7 +3984,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
            {
                List<ImprovedTerseObjectUpdatePacket.ObjectDataBlock> blocks = terseAgentUpdateBlocks.Value;
-                ImprovedTerseObjectUpdatePacket packet = new ImprovedTerseObjectUpdatePacket();
+                ImprovedTerseObjectUpdatePacket packet
+                    = (ImprovedTerseObjectUpdatePacket)PacketPool.Instance.GetPacket(PacketType.ImprovedTerseObjectUpdate);
                packet.RegionData.RegionHandle = m_scene.RegionInfo.RegionHandle;
                packet.RegionData.TimeDilation = timeDilation;
                packet.ObjectData = new ImprovedTerseObjectUpdatePacket.ObjectDataBlock[blocks.Count];
@@ -4028,7 +4030,9 @@ namespace OpenSim.Region.ClientStack.LindenUDP
            {
                List<ImprovedTerseObjectUpdatePacket.ObjectDataBlock> blocks = terseUpdateBlocks.Value;
    
-                ImprovedTerseObjectUpdatePacket packet = new ImprovedTerseObjectUpdatePacket();
+                ImprovedTerseObjectUpdatePacket packet
+                    = (ImprovedTerseObjectUpdatePacket)PacketPool.Instance.GetPacket(
+                        PacketType.ImprovedTerseObjectUpdate);
                packet.RegionData.RegionHandle = m_scene.RegionInfo.RegionHandle;
                packet.RegionData.TimeDilation = timeDilation;
                packet.ObjectData = new ImprovedTerseObjectUpdatePacket.ObjectDataBlock[blocks.Count];
@@ -4036,7 +4040,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                for (int i = 0; i < blocks.Count; i++)
                    packet.ObjectData[i] = blocks[i];
    
-                OutPacket(packet, ThrottleOutPacketType.Task, true);
+                OutPacket(packet, ThrottleOutPacketType.Task, true, delegate(OutgoingPacket oPacket) { ResendPrimUpdates(terseUpdates.Value, oPacket); });
            }
            #endregion Packet Sending
@@ -5037,7 +5041,9 @@ namespace OpenSim.Region.ClientStack.LindenUDP
            Utils.UInt16ToBytes(Utils.FloatToUInt16(angularVelocity.Y, -64.0f, 64.0f), data, pos); pos += 2;
            Utils.UInt16ToBytes(Utils.FloatToUInt16(angularVelocity.Z, -64.0f, 64.0f), data, pos); pos += 2;
-            ImprovedTerseObjectUpdatePacket.ObjectDataBlock block = new ImprovedTerseObjectUpdatePacket.ObjectDataBlock();
+            ImprovedTerseObjectUpdatePacket.ObjectDataBlock block
+                = PacketPool.Instance.GetDataBlock<ImprovedTerseObjectUpdatePacket.ObjectDataBlock>();
+            
            block.Data = data;
            if (textureEntry != null && textureEntry.Length > 0)
@@ -11949,7 +11955,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                    logPacket = false;
                
                if (DebugPacketLevel <= 50
-                    & (packet.Type == PacketType.ImprovedTerseObjectUpdate || packet.Type == PacketType.ObjectUpdate))
+                    && (packet.Type == PacketType.ImprovedTerseObjectUpdate || packet.Type == PacketType.ObjectUpdate))
                    logPacket = false;
                if (DebugPacketLevel <= 25 && packet.Type == PacketType.ObjectPropertiesFamily)
@@ -12481,7 +12487,10 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                ushort timeDilation = Utils.FloatToUInt16(TIME_DILATION, 0.0f, 1.0f);
-                ImprovedTerseObjectUpdatePacket packet = new ImprovedTerseObjectUpdatePacket();
+                ImprovedTerseObjectUpdatePacket packet
+                    = (ImprovedTerseObjectUpdatePacket)PacketPool.Instance.GetPacket(
+                        PacketType.ImprovedTerseObjectUpdate);
                packet.RegionData.RegionHandle = m_scene.RegionInfo.RegionHandle;
                packet.RegionData.TimeDilation = timeDilation;
                packet.ObjectData = new ImprovedTerseObjectUpdatePacket.ObjectDataBlock[1];
diff --git a/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs b/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs
index b3db064..97b79ce 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs
@@ -100,9 +100,11 @@ namespace OpenSim.Region.ClientStack.LindenUDP
        /// <summary>The measured resolution of Environment.TickCount</summary>
        public readonly float TickCountResolution;
        /// <summary>Number of prim updates to put on the queue each time the 
        /// OnQueueEmpty event is triggered for updates</summary>
        public readonly int PrimUpdatesPerCallback;
        /// <summary>Number of texture packets to put on the queue each time the
        /// OnQueueEmpty event is triggered for textures</summary>
        public readonly int TextureSendLimit;
@@ -124,28 +126,37 @@ namespace OpenSim.Region.ClientStack.LindenUDP
        
        /// <summary>Manages authentication for agent circuits</summary>
        private AgentCircuitManager m_circuitManager;
        /// <summary>Reference to the scene this UDP server is attached to</summary>
        protected Scene m_scene;
        /// <summary>The X/Y coordinates of the scene this UDP server is attached to</summary>
        private Location m_location;
        /// <summary>The size of the receive buffer for the UDP socket. This value
        /// is passed up to the operating system and used in the system networking
        /// stack. Use zero to leave this value as the default</summary>
        private int m_recvBufferSize;
        /// <summary>Flag to process packets asynchronously or synchronously</summary>
        private bool m_asyncPacketHandling;
        /// <summary>Tracks whether or not a packet was sent each round so we know
        /// whether or not to sleep</summary>
        private bool m_packetSent;
        /// <summary>Environment.TickCount of the last time that packet stats were reported to the scene</summary>
        private int m_elapsedMSSinceLastStatReport = 0;
        /// <summary>Environment.TickCount of the last time the outgoing packet handler executed</summary>
        private int m_tickLastOutgoingPacketHandler;
        /// <summary>Keeps track of the number of elapsed milliseconds since the last time the outgoing packet handler looped</summary>
        private int m_elapsedMSOutgoingPacketHandler;
        /// <summary>Keeps track of the number of 100 millisecond periods elapsed in the outgoing packet handler executed</summary>
        private int m_elapsed100MSOutgoingPacketHandler;
        /// <summary>Keeps track of the number of 500 millisecond periods elapsed in the outgoing packet handler executed</summary>
        private int m_elapsed500MSOutgoingPacketHandler;
@@ -425,6 +436,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                byte[] data = packet.ToBytes();
                SendPacketData(udpClient, data, packet.Type, category, method);
            }
+            PacketPool.Instance.ReturnPacket(packet);
        }
        /// <summary>
@@ -742,7 +755,10 @@ namespace OpenSim.Region.ClientStack.LindenUDP
            try
            {
-                packet = Packet.BuildPacket(buffer.Data, ref packetEnd,
+//                packet = Packet.BuildPacket(buffer.Data, ref packetEnd,
+//                    // Only allocate a buffer for zerodecoding if the packet is zerocoded
+//                    ((buffer.Data[0] & Helpers.MSG_ZEROCODED) != 0) ? new byte[4096] : null);
+                packet = PacketPool.Instance.GetPacket(buffer.Data, ref packetEnd,
                    // Only allocate a buffer for zerodecoding if the packet is zerocoded
                    ((buffer.Data[0] & Helpers.MSG_ZEROCODED) != 0) ? new byte[4096] : null);
            }
@@ -757,11 +773,13 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                return; // Drop short packet
            }
-            catch(Exception e)
+            catch (Exception e)
            {
                if (m_malformedCount < 100)
                    m_log.DebugFormat("[LLUDPSERVER]: Dropped malformed packet: " + e.ToString());
                m_malformedCount++;
                if ((m_malformedCount % 100000) == 0)
                    m_log.DebugFormat("[LLUDPSERVER]: Received {0} malformed packets so far, probable network attack.", m_malformedCount);
            }
@@ -1169,20 +1187,20 @@ namespace OpenSim.Region.ClientStack.LindenUDP
        {
            IClientAPI client = null;
-            // In priciple there shouldn't be more than one thread here, ever.
+            // We currently synchronize this code across the whole scene to avoid issues such as
-            // But in case that happens, we need to synchronize this piece of code
+            // http://opensimulator.org/mantis/view.php?id=5365  However, once locking per agent circuit can be done
-            // because it's too important
+            // consistently, this lock could probably be removed.
-            lock (this) 
+            lock (this)
            {
                if (!m_scene.TryGetClient(agentID, out client))
                {
                    LLUDPClient udpClient = new LLUDPClient(this, ThrottleRates, m_throttle, circuitCode, agentID, remoteEndPoint, m_defaultRTO, m_maxRTO);
+    
                    client = new LLClientView(m_scene, this, udpClient, sessionInfo, agentID, sessionID, circuitCode);
                    client.OnLogout += LogoutHandler;
+    
                    ((LLClientView)client).DisableFacelights = m_disableFacelights;
+    
                    client.Start();
                }
            }
diff --git a/OpenSim/Region/ClientStack/Linden/UDP/PacketPool.cs b/OpenSim/Region/ClientStack/Linden/UDP/PacketPool.cs
index fc9406b..71f6fe1 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/PacketPool.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/PacketPool.cs
@@ -31,6 +31,7 @@ using System.Reflection;
 using OpenMetaverse;
 using OpenMetaverse.Packets;
 using log4net;
+using OpenSim.Framework.Monitoring;
 namespace OpenSim.Region.ClientStack.LindenUDP
 {
@@ -43,17 +44,28 @@ namespace OpenSim.Region.ClientStack.LindenUDP
        private bool packetPoolEnabled = true;
        private bool dataBlockPoolEnabled = true;
+        private PercentageStat m_packetsReusedStat = new PercentageStat(
+            "PacketsReused",
+            "Packets reused",
+            "clientstack",
+            "packetpool",
+            StatVerbosity.Debug,
+            "Number of packets reused out of all requests to the packet pool");
+        private PercentageStat m_blocksReusedStat = new PercentageStat(
+            "BlocksReused",
+            "Blocks reused",
+            "clientstack",
+            "packetpool",
+            StatVerbosity.Debug,
+            "Number of data blocks reused out of all requests to the packet pool");
        /// <summary>
        /// Pool of packets available for reuse.
        /// </summary>
        private readonly Dictionary<PacketType, Stack<Packet>> pool = new Dictionary<PacketType, Stack<Packet>>();
-        private static Dictionary<Type, Stack<Object>> DataBlocks =
+        private static Dictionary<Type, Stack<Object>> DataBlocks = new Dictionary<Type, Stack<Object>>();
-                new Dictionary<Type, Stack<Object>>();
-        static PacketPool()
-        {
-        }
        public static PacketPool Instance
        {
@@ -72,8 +84,21 @@ namespace OpenSim.Region.ClientStack.LindenUDP
            get { return dataBlockPoolEnabled; }
        }
+        private PacketPool()
+        {
+            StatsManager.RegisterStat(m_packetsReusedStat);
+            StatsManager.RegisterStat(m_blocksReusedStat);
+        }
+        /// <summary>
+        /// Gets a packet of the given type.
+        /// </summary>
+        /// <param name='type'></param>
+        /// <returns>Guaranteed to always return a packet, whether from the pool or newly constructed.</returns>
        public Packet GetPacket(PacketType type)
        {
+            m_packetsReusedStat.Consequent++;
            Packet packet;
            if (!packetPoolEnabled)
@@ -89,6 +114,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                else
                {
                    // Recycle old packages
+                    m_packetsReusedStat.Antecedent++;
                    packet = (pool[type]).Pop();
                }
            }
@@ -138,7 +165,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
        {
            PacketType type = GetType(bytes);
-            Array.Clear(zeroBuffer, 0, zeroBuffer.Length);
+//            Array.Clear(zeroBuffer, 0, zeroBuffer.Length);
            int i = 0;
            Packet packet = GetPacket(type);
@@ -185,6 +212,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                switch (packet.Type)
                {
                    // List pooling packets here
+                    case PacketType.AgentUpdate:
                    case PacketType.PacketAck:
                    case PacketType.ObjectUpdate:
                    case PacketType.ImprovedTerseObjectUpdate:
@@ -211,16 +239,21 @@ namespace OpenSim.Region.ClientStack.LindenUDP
            }
        }
-        public static T GetDataBlock<T>() where T: new()
+        public T GetDataBlock<T>() where T: new()
        {
            lock (DataBlocks)
            {
+                m_blocksReusedStat.Consequent++;
                Stack<Object> s;
                if (DataBlocks.TryGetValue(typeof(T), out s))
                {
                    if (s.Count > 0)
+                    {
+                        m_blocksReusedStat.Antecedent++;
                        return (T)s.Pop();
+                    }
                }
                else
                {
@@ -231,7 +264,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
            }
        }
-        public static void ReturnDataBlock<T>(T block) where T: new()
+        public void ReturnDataBlock<T>(T block) where T: new()
        {
            if (block == null)
                return;
diff --git a/OpenSim/Region/ClientStack/Linden/UDP/Tests/BasicCircuitTests.cs b/OpenSim/Region/ClientStack/Linden/UDP/Tests/BasicCircuitTests.cs
index 109a8e1..fa9378c 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/Tests/BasicCircuitTests.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/Tests/BasicCircuitTests.cs
@@ -43,7 +43,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP.Tests
    /// This will contain basic tests for the LindenUDP client stack
    /// </summary>
    [TestFixture]
-    public class BasicCircuitTests
+    public class BasicCircuitTests : OpenSimTestCase
    {
        private Scene m_scene;
        private TestLLUDPServer m_udpServer;
@@ -143,7 +143,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP.Tests
        public void TestAddClient()
        {
            TestHelpers.InMethod();
-//            XmlConfigurator.Configure();
+//            TestHelpers.EnableLogging();
            AddUdpServer();
diff --git a/OpenSim/Region/CoreModules/Framework/EntityTransfer/HGEntityTransferModule.cs b/OpenSim/Region/CoreModules/Framework/EntityTransfer/HGEntityTransferModule.cs
index a5c4584..0aee0d4 100644
--- a/OpenSim/Region/CoreModules/Framework/EntityTransfer/HGEntityTransferModule.cs
+++ b/OpenSim/Region/CoreModules/Framework/EntityTransfer/HGEntityTransferModule.cs
@@ -212,7 +212,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
            int flags = Scene.GridService.GetRegionFlags(Scene.RegionInfo.ScopeID, region.RegionID);
            m_log.DebugFormat("[HG ENTITY TRANSFER MODULE]: region {0} flags: {1}", region.RegionID, flags);
-            if ((flags & (int)OpenSim.Data.RegionFlags.Hyperlink) != 0)
+            if ((flags & (int)OpenSim.Framework.RegionFlags.Hyperlink) != 0)
            {
                m_log.DebugFormat("[HG ENTITY TRANSFER MODULE]: Destination region {0} is hyperlink", region.RegionID);
                GridRegion real_destination = m_GatekeeperConnector.GetHyperlinkRegion(region, region.RegionID);
@@ -232,7 +232,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
                return true;
            int flags = Scene.GridService.GetRegionFlags(Scene.RegionInfo.ScopeID, reg.RegionID);
-            if (flags == -1 /* no region in DB */ || (flags & (int)OpenSim.Data.RegionFlags.Hyperlink) != 0)
+            if (flags == -1 /* no region in DB */ || (flags & (int)OpenSim.Framework.RegionFlags.Hyperlink) != 0)
                return true;
            return false;
@@ -256,7 +256,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
            reason = string.Empty;
            logout = false;
            int flags = Scene.GridService.GetRegionFlags(Scene.RegionInfo.ScopeID, reg.RegionID);
-            if (flags == -1 /* no region in DB */ || (flags & (int)OpenSim.Data.RegionFlags.Hyperlink) != 0)
+            if (flags == -1 /* no region in DB */ || (flags & (int)OpenSim.Framework.RegionFlags.Hyperlink) != 0)
            {
                // this user is going to another grid
                // check if HyperGrid teleport is allowed, based on user level
@@ -303,7 +303,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
            // The rest is only needed for controlling appearance
            int flags = Scene.GridService.GetRegionFlags(Scene.RegionInfo.ScopeID, reg.RegionID);
-            if (flags == -1 /* no region in DB */ || (flags & (int)OpenSim.Data.RegionFlags.Hyperlink) != 0)
+            if (flags == -1 /* no region in DB */ || (flags & (int)OpenSim.Framework.RegionFlags.Hyperlink) != 0)
            {
                // this user is going to another grid
                if (Scene.UserManagementModule.IsLocalGridUser(sp.UUID))
diff --git a/OpenSim/Region/CoreModules/World/Estate/EstateManagementModule.cs b/OpenSim/Region/CoreModules/World/Estate/EstateManagementModule.cs
index fdef9d8..5fd1bce 100644
--- a/OpenSim/Region/CoreModules/World/Estate/EstateManagementModule.cs
+++ b/OpenSim/Region/CoreModules/World/Estate/EstateManagementModule.cs
@@ -40,6 +40,7 @@ using OpenMetaverse;
 using OpenSim.Framework;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
+using RegionFlags = OpenMetaverse.RegionFlags;
 namespace OpenSim.Region.CoreModules.World.Estate
 {
diff --git a/OpenSim/Region/CoreModules/World/Land/LandObject.cs b/OpenSim/Region/CoreModules/World/Land/LandObject.cs
index 4f06737..d5b2adb 100644
--- a/OpenSim/Region/CoreModules/World/Land/LandObject.cs
+++ b/OpenSim/Region/CoreModules/World/Land/LandObject.cs
@@ -33,6 +33,7 @@ using OpenMetaverse;
 using OpenSim.Framework;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
+using RegionFlags = OpenMetaverse.RegionFlags;
 namespace OpenSim.Region.CoreModules.World.Land
 {
diff --git a/OpenSim/Region/CoreModules/World/Objects/Commands/ObjectCommandsModule.cs b/OpenSim/Region/CoreModules/World/Objects/Commands/ObjectCommandsModule.cs
index 6e39e9a..7a35182 100644
--- a/OpenSim/Region/CoreModules/World/Objects/Commands/ObjectCommandsModule.cs
+++ b/OpenSim/Region/CoreModules/World/Objects/Commands/ObjectCommandsModule.cs
@@ -27,6 +27,7 @@
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Reflection;
 using System.Text;
 using System.Text.RegularExpressions;
@@ -83,29 +84,56 @@ namespace OpenSim.Region.CoreModules.World.Objects.Commands
            m_console.Commands.AddCommand(
                "Objects", false, "delete object owner",
                "delete object owner <UUID>",
-                "Delete a scene object by owner", HandleDeleteObject);
+                "Delete scene objects by owner",
+                "Command will ask for confirmation before proceeding.",
+                HandleDeleteObject);
            m_console.Commands.AddCommand(
                "Objects", false, "delete object creator",
                "delete object creator <UUID>",
-                "Delete a scene object by creator", HandleDeleteObject);
+                "Delete scene objects by creator",
+                "Command will ask for confirmation before proceeding.",
+                HandleDeleteObject);
            m_console.Commands.AddCommand(
                "Objects", false, "delete object uuid",
                "delete object uuid <UUID>",
-                "Delete a scene object by uuid", HandleDeleteObject);
+                "Delete a scene object by uuid",
+                HandleDeleteObject);
            m_console.Commands.AddCommand(
                "Objects", false, "delete object name",
                "delete object name [--regex] <name>",
                "Delete a scene object by name.",
-                "If --regex is specified then the name is treatead as a regular expression",
+                "Command will ask for confirmation before proceeding.\n"
+                  + "If --regex is specified then the name is treatead as a regular expression",
                HandleDeleteObject);
            m_console.Commands.AddCommand(
                "Objects", false, "delete object outside",
                "delete object outside",
-                "Delete all scene objects outside region boundaries", HandleDeleteObject);
+                "Delete all scene objects outside region boundaries",
+                "Command will ask for confirmation before proceeding.",
+                HandleDeleteObject);
+            m_console.Commands.AddCommand(
+                "Objects",
+                false,
+                "delete object pos",
+                "delete object pos <start-coord> to <end-coord>",
+                "Delete scene objects within the given area.",
+                "Each component of the coord is comma separated.  There must be no spaces between the commas.\n"
+                    + "If you don't care about the z component you can simply omit it.\n"
+                    + "If you don't care about the x or y components then you can leave them blank (though a comma is still required)\n"
+                    + "If you want to specify the maxmimum value of a component then you can use ~ instead of a number\n"
+                    + "If you want to specify the minimum value of a component then you can use -~ instead of a number\n"
+                    + "e.g.\n"
+                    + "delete object pos 20,20,20 to 40,40,40\n"
+                    + "delete object pos 20,20 to 40,40\n"
+                    + "delete object pos ,20,20 to ,40,40\n"
+                    + "delete object pos ,,30 to ,,~\n"
+                    + "delete object pos ,,-~ to ,,30",
+                HandleDeleteObject);
            m_console.Commands.AddCommand(
                "Objects",
@@ -301,23 +329,10 @@ namespace OpenSim.Region.CoreModules.World.Objects.Commands
                return;
            }
-            string rawConsoleStartVector = cmdparams[3];
+            Vector3 startVector, endVector;
-            Vector3 startVector;
-            if (!ConsoleUtil.TryParseConsoleMinVector(rawConsoleStartVector, out startVector))
+            if (!TryParseVectorRange(cmdparams.Skip(3).Take(3), out startVector, out endVector))
-            {
-                m_console.OutputFormat("Error: Start vector {0} does not have a valid format", rawConsoleStartVector);
                return;
-            }
-            string rawConsoleEndVector = cmdparams[5];
-            Vector3 endVector;
-            if (!ConsoleUtil.TryParseConsoleMaxVector(rawConsoleEndVector, out endVector))
-            {
-                m_console.OutputFormat("Error: End vector {0} does not have a valid format", rawConsoleEndVector);
-                return;
-            }
            Predicate<SceneObjectGroup> searchPredicate
                = so => Util.IsInsideBox(so.AbsolutePosition, startVector, endVector);
@@ -557,6 +572,10 @@ namespace OpenSim.Region.CoreModules.World.Objects.Commands
        
                    break;
+                case "pos":
+                    deletes = GetDeleteCandidatesByPos(module, cmd);
+                    break;
                default:
                    m_console.OutputFormat("Unrecognized mode {0}", mode);
                    return;
@@ -571,7 +590,7 @@ namespace OpenSim.Region.CoreModules.World.Objects.Commands
                    string.Format(
                        "Are you sure that you want to delete {0} objects from {1}",
                        deletes.Count, m_scene.RegionInfo.RegionName),
-                    "n");
+                    "y/N");
    
                if (response.ToLower() != "y")
                {
@@ -593,9 +612,6 @@ namespace OpenSim.Region.CoreModules.World.Objects.Commands
        private List<SceneObjectGroup> GetDeleteCandidatesByName(string module, string[] cmdparams)
        {
-            if (!(m_console.ConsoleScene == null || m_console.ConsoleScene == m_scene))
-                return null;
            bool useRegex = false;
            OptionSet options = new OptionSet().Add("regex", v=> useRegex = v != null );
@@ -629,5 +645,52 @@ namespace OpenSim.Region.CoreModules.World.Objects.Commands
            return sceneObjects;
        }
+        /// <summary>
+        /// Get scene object delete candidates by position
+        /// </summary>
+        /// <param name='module'></param>
+        /// <param name='cmdparams'></param>
+        /// <returns>null if parsing failed on one of the arguments, otherwise a list of objects to delete.  If there
+        /// are no objects to delete then the list will be empty./returns>
+        private List<SceneObjectGroup> GetDeleteCandidatesByPos(string module, string[] cmdparams)
+        {
+            if (cmdparams.Length < 5)
+            {
+                m_console.OutputFormat("Usage: delete object pos <start-coord> to <end-coord>");
+                return null;
+            }
+            Vector3 startVector, endVector;
+            if (!TryParseVectorRange(cmdparams.Skip(3).Take(3), out startVector, out endVector))
+                return null;
+            return m_scene.GetSceneObjectGroups().FindAll(
+                so => !so.IsAttachment && Util.IsInsideBox(so.AbsolutePosition, startVector, endVector));
+        }
+        private bool TryParseVectorRange(IEnumerable<string> rawComponents, out Vector3 startVector, out Vector3 endVector)
+        {
+            string rawConsoleStartVector = rawComponents.Take(1).Single();
+            if (!ConsoleUtil.TryParseConsoleMinVector(rawConsoleStartVector, out startVector))
+            {
+                m_console.OutputFormat("Error: Start vector {0} does not have a valid format", rawConsoleStartVector);
+                endVector = Vector3.Zero;
+                
+                return false;
+            }
+            string rawConsoleEndVector = rawComponents.Skip(1).Take(1).Single();
+            if (!ConsoleUtil.TryParseConsoleMaxVector(rawConsoleEndVector, out endVector))
+            {
+                m_console.OutputFormat("Error: End vector {0} does not have a valid format", rawConsoleEndVector);
+                return false;
+            }
+            return true;
+        }
    }
 }
 \ No newline at end of file
diff --git a/OpenSim/Region/Framework/Scenes/EventManager.cs b/OpenSim/Region/Framework/Scenes/EventManager.cs
index 7133817..e2414eb 100644
--- a/OpenSim/Region/Framework/Scenes/EventManager.cs
+++ b/OpenSim/Region/Framework/Scenes/EventManager.cs
@@ -125,13 +125,21 @@ namespace OpenSim.Region.Framework.Scenes
        /// </summary>
        /// <remarks>
        /// This is triggered for both child and root agent client connections.
+        ///
        /// Triggered before OnClientLogin.
+        ///
+        /// This is triggered under per-agent lock.  So if you want to perform any long-running operations, please
+        /// do this on a separate thread.
        /// </remarks>
        public event OnNewClientDelegate OnNewClient;
        /// <summary>
        /// Fired if the client entering this sim is doing so as a new login
        /// </summary>
+        /// <remarks>
+        /// This is triggered under per-agent lock.  So if you want to perform any long-running operations, please
+        /// do this on a separate thread.
+        /// </remarks>
        public event Action<IClientAPI> OnClientLogin;
        public delegate void OnNewPresenceDelegate(ScenePresence presence);
@@ -153,6 +161,9 @@ namespace OpenSim.Region.Framework.Scenes
        /// <remarks>
        /// Triggered in <see cref="OpenSim.Region.Framework.Scenes.Scene.AddNewClient"/> which is used by both
        /// <see cref="OpenSim.Framework.PresenceType.User">users</see> and <see cref="OpenSim.Framework.PresenceType.Npc">NPCs</see>
+        /// 
+        /// Triggered under per-agent lock.  So if you want to perform any long-running operations, please
+        /// do this on a separate thread.
        /// </remarks>
        public event OnRemovePresenceDelegate OnRemovePresence;
@@ -429,6 +440,9 @@ namespace OpenSim.Region.Framework.Scenes
        /// </summary>
        /// <remarks>
        /// At the point of firing, the scene still contains the client's scene presence.
+        ///
+        /// This is triggered under per-agent lock.  So if you want to perform any long-running operations, please
+        /// do this on a separate thread.
        /// </remarks>
        public event ClientClosed OnClientClosed;
@@ -917,7 +931,7 @@ namespace OpenSim.Region.Framework.Scenes
        public event SceneObjectPartCopyDelegate OnSceneObjectPartCopy;
        public delegate void SceneObjectPartCopyDelegate(SceneObjectPart copy, SceneObjectPart original, bool userExposed);
-        public delegate void SceneObjectPartUpdated(SceneObjectPart sop);
+        public delegate void SceneObjectPartUpdated(SceneObjectPart sop, bool full);
        public event SceneObjectPartUpdated OnSceneObjectPartUpdated;
        public delegate void ScenePresenceUpdated(ScenePresence sp);
@@ -2862,7 +2876,7 @@ namespace OpenSim.Region.Framework.Scenes
            }
        }
-        public void TriggerSceneObjectPartUpdated(SceneObjectPart sop)
+        public void TriggerSceneObjectPartUpdated(SceneObjectPart sop, bool full)
        {
            SceneObjectPartUpdated handler = OnSceneObjectPartUpdated;
            if (handler != null)
@@ -2871,7 +2885,7 @@ namespace OpenSim.Region.Framework.Scenes
                {
                    try
                    {
-                        d(sop);
+                        d(sop, full);
                    }
                    catch (Exception e)
                    {
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index 8d112db..c8e7156 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -80,6 +80,11 @@ namespace OpenSim.Region.Framework.Scenes
        public SynchronizeSceneHandler SynchronizeScene;
        /// <summary>
+        /// Used to prevent simultaneous calls to RemoveClient() for the same agent from interfering with each other.
+        /// </summary>
+        private object m_removeClientLock = new object();
+        /// <summary>
        /// Statistical information for this scene.
        /// </summary>
        public SimStatsReporter StatsReporter { get; private set; }
@@ -308,6 +313,31 @@ namespace OpenSim.Region.Framework.Scenes
        }
        private volatile bool m_shuttingDown;
+        /// <summary>
+        /// Is the scene active?
+        /// </summary>
+        /// <remarks>
+        /// If false, maintenance and update loops are not being run.  Updates can still be triggered manually if
+        /// the scene is not active.
+        /// </remarks>
+        public bool Active
+        {
+            get { return m_active; }
+            set
+            {
+                if (value)
+                {
+                    if (!m_active)
+                        Start();
+                }
+                else
+                {
+                    m_active = false;
+                }
+            }
+        }
+        private volatile bool m_active;
 //        private int m_lastUpdate;
        private bool m_firstHeartbeat = true;
        
@@ -1187,6 +1217,14 @@ namespace OpenSim.Region.Framework.Scenes
        public void SetSceneCoreDebug(Dictionary<string, string> options)
        {
+            if (options.ContainsKey("active"))
+            {
+                bool active;
+                if (bool.TryParse(options["active"], out active))
+                    Active = active;
+            }
            if (options.ContainsKey("scripting"))
            {
                bool enableScripts = true;
@@ -1326,6 +1364,8 @@ namespace OpenSim.Region.Framework.Scenes
        /// </summary>
        public void Start()
        {
+            m_active = true;
 //            m_log.DebugFormat("[SCENE]: Starting Heartbeat timer for {0}", RegionInfo.RegionName);
            //m_heartbeatTimer.Enabled = true;
@@ -1382,7 +1422,7 @@ namespace OpenSim.Region.Framework.Scenes
        #region Update Methods
        /// <summary>
-        /// Performs per-frame updates regularly
+        /// Activate the various loops necessary to continually update the scene.
        /// </summary>
        private void Heartbeat()
        {
@@ -1439,7 +1479,7 @@ namespace OpenSim.Region.Framework.Scenes
            List<Vector3> coarseLocations;
            List<UUID> avatarUUIDs;
-            while (!m_shuttingDown && (endRun == null || MaintenanceRun < endRun))
+            while (!m_shuttingDown && ((endRun == null && Active) || MaintenanceRun < endRun))
            {
                runtc = Util.EnvironmentTickCount();
                ++MaintenanceRun;
@@ -1501,7 +1541,7 @@ namespace OpenSim.Region.Framework.Scenes
            int sleepMS;
            int framestart;
-            while (!m_shuttingDown && (endFrame == null || Frame < endFrame))
+            while (!m_shuttingDown && ((endFrame == null && Active) || Frame < endFrame))
            {
                framestart = Util.EnvironmentTickCount();
                ++Frame;
@@ -2218,10 +2258,14 @@ namespace OpenSim.Region.Framework.Scenes
        public bool AddRestoredSceneObject(
            SceneObjectGroup sceneObject, bool attachToBackup, bool alreadyPersisted, bool sendClientUpdates)
        {
-            bool result =  m_sceneGraph.AddRestoredSceneObject(sceneObject, attachToBackup, alreadyPersisted, sendClientUpdates);
+            if (m_sceneGraph.AddRestoredSceneObject(sceneObject, attachToBackup, alreadyPersisted, sendClientUpdates))
-            if (result)
+            {
                sceneObject.IsDeleted = false;
-            return result;
+                EventManager.TriggerObjectAddedToScene(sceneObject);
+                return true;
+            }
+            return false;
        }
        
        /// <summary>
@@ -2862,77 +2906,89 @@ namespace OpenSim.Region.Framework.Scenes
        public override ISceneAgent AddNewClient(IClientAPI client, PresenceType type)
        {
+            ScenePresence sp;
+            bool vialogin;
            // Validation occurs in LLUDPServer
+            //
+            // XXX: A race condition exists here where two simultaneous calls to AddNewClient can interfere with
+            // each other.  In practice, this does not currently occur in the code.
            AgentCircuitData aCircuit = m_authenticateHandler.GetAgentCircuitData(client.CircuitCode);
-            bool vialogin
+            // We lock here on AgentCircuitData to prevent a race condition between the thread adding a new connection
-                = (aCircuit.teleportFlags & (uint)Constants.TeleportFlags.ViaHGLogin) != 0
+            // and a simultaneous one that removes it (as can happen if the client is closed at a particular point
-                    || (aCircuit.teleportFlags & (uint)Constants.TeleportFlags.ViaLogin) != 0;
+            // whilst connecting).
+            //
-            CheckHeartbeat();
+            // It would be easier to lock across all NewUserConnection(), AddNewClient() and
+            // RemoveClient() calls for all agents, but this would allow a slow call (e.g. because of slow service
-            ScenePresence sp = GetScenePresence(client.AgentId);
+            // response in some module listening to AddNewClient()) from holding up unrelated agent calls.
+            //
-            // XXX: Not sure how good it is to add a new client if a scene presence already exists.  Possibly this
+            // In practice, the lock (this) in LLUDPServer.AddNewClient() currently lock across all
-            // could occur if a viewer crashes and relogs before the old client is kicked out.  But this could cause
+            // AddNewClient() operations (though not other ops).
-            // other problems, and possible the code calling AddNewClient() should ensure that no client is already
+            // In the future this can be relieved once locking per agent (not necessarily on AgentCircuitData) is improved.
-            // connected.
+            lock (aCircuit)
-            if (sp == null)
+            {
-            {
+                vialogin
-                m_log.DebugFormat(
+                    = (aCircuit.teleportFlags & (uint)Constants.TeleportFlags.ViaHGLogin) != 0
-                    "[SCENE]: Adding new child scene presence {0} {1} to scene {2} at pos {3}",
+                        || (aCircuit.teleportFlags & (uint)Constants.TeleportFlags.ViaLogin) != 0;
-                    client.Name, client.AgentId, RegionInfo.RegionName, client.StartPos);
+    
+                CheckHeartbeat();
-                m_clientManager.Add(client);
+    
-                SubscribeToClientEvents(client);
+                sp = GetScenePresence(client.AgentId);
-                sp = m_sceneGraph.CreateAndAddChildScenePresence(client, aCircuit.Appearance, type);
-                m_eventManager.TriggerOnNewPresence(sp);
-                sp.TeleportFlags = (TPFlags)aCircuit.teleportFlags;
-                // The first agent upon login is a root agent by design.
+                // XXX: Not sure how good it is to add a new client if a scene presence already exists.  Possibly this
-                // For this agent we will have to rez the attachments.
+                // could occur if a viewer crashes and relogs before the old client is kicked out.  But this could cause
-                // All other AddNewClient calls find aCircuit.child to be true.
+                // other problems, and possible the code calling AddNewClient() should ensure that no client is already
-                if (aCircuit.child == false)
+                // connected.
+                if (sp == null)
                {
-                    // We have to set SP to be a root agent here so that SP.MakeRootAgent() will later not try to
+                    m_log.DebugFormat(
-                    // start the scripts again (since this is done in RezAttachments()).
+                        "[SCENE]: Adding new child scene presence {0} {1} to scene {2} at pos {3}",
-                    // XXX: This is convoluted.
+                        client.Name, client.AgentId, RegionInfo.RegionName, client.StartPos);
-                    sp.IsChildAgent = false;
+    
+                    m_clientManager.Add(client);
-                    if (AttachmentsModule != null)
+                    SubscribeToClientEvents(client);
-                        Util.FireAndForget(delegate(object o) { AttachmentsModule.RezAttachments(sp); });
+    
+                    sp = m_sceneGraph.CreateAndAddChildScenePresence(client, aCircuit.Appearance, type);
+                    m_eventManager.TriggerOnNewPresence(sp);
+    
+                    sp.TeleportFlags = (TPFlags)aCircuit.teleportFlags;
+    
+                    // The first agent upon login is a root agent by design.
+                    // For this agent we will have to rez the attachments.
+                    // All other AddNewClient calls find aCircuit.child to be true.
+                    if (aCircuit.child == false)
+                    {
+                        // We have to set SP to be a root agent here so that SP.MakeRootAgent() will later not try to
+                        // start the scripts again (since this is done in RezAttachments()).
+                        // XXX: This is convoluted.
+                        sp.IsChildAgent = false;
+    
+                        if (AttachmentsModule != null)
+                            Util.FireAndForget(delegate(object o) { AttachmentsModule.RezAttachments(sp); });
+                    }
                }
-            }
+                else
-            else
+                {
-            {
+                    m_log.WarnFormat(
-                m_log.WarnFormat(
+                        "[SCENE]: Already found {0} scene presence for {1} in {2} when asked to add new scene presence",
-                    "[SCENE]: Already found {0} scene presence for {1} in {2} when asked to add new scene presence",
+                        sp.IsChildAgent ? "child" : "root", sp.Name, RegionInfo.RegionName);
-                    sp.IsChildAgent ? "child" : "root", sp.Name, RegionInfo.RegionName);
+                }
-            }
+    
+                // We must set this here so that TriggerOnNewClient and TriggerOnClientLogin can determine whether the
+                // client is for a root or child agent.
+                client.SceneAgent = sp;
-            // We must set this here so that TriggerOnNewClient and TriggerOnClientLogin can determine whether the
+                // Cache the user's name
-            // client is for a root or child agent.
+                CacheUserName(sp, aCircuit);
-            client.SceneAgent = sp;
+    
+                EventManager.TriggerOnNewClient(client);
+                if (vialogin)
+                    EventManager.TriggerOnClientLogin(client);
+            }
            m_LastLogin = Util.EnvironmentTickCount();
-            // Cache the user's name
-            CacheUserName(sp, aCircuit);
-            EventManager.TriggerOnNewClient(client);
-            if (vialogin)
-            {
-                EventManager.TriggerOnClientLogin(client);
-                // Send initial parcel data
-/* this is done on TriggerOnNewClient by landmanegement respective event handler
-                Vector3 pos = sp.AbsolutePosition;
-                ILandObject land = LandChannel.GetLandObject(pos.X, pos.Y);
-                land.SendLandUpdateToClient(client);
-*/
-            }
            return sp;
        }
@@ -3472,110 +3528,130 @@ namespace OpenSim.Region.Framework.Scenes
        {
 //            CheckHeartbeat();
            bool isChildAgent = false;
-            ScenePresence avatar = GetScenePresence(agentID);
+            AgentCircuitData acd;
-            if (avatar == null)
-            {
-                m_log.WarnFormat(
-                    "[SCENE]: Called RemoveClient() with agent ID {0} but no such presence is in the scene.", agentID);
-                return;
+            lock (m_removeClientLock)
-            }
-            try
            {
-                isChildAgent = avatar.IsChildAgent;
+                acd = m_authenticateHandler.GetAgentCircuitData(agentID);
-                m_log.DebugFormat(
+                if (acd == null)
-                    "[SCENE]: Removing {0} agent {1} {2} from {3}",
-                    (isChildAgent ? "child" : "root"), avatar.Name, agentID, RegionInfo.RegionName);
-                // Don't do this to root agents, it's not nice for the viewer
-                if (closeChildAgents && isChildAgent)
                {
-                    // Tell a single agent to disconnect from the region.
+                    m_log.ErrorFormat("[SCENE]: No agent circuit found for {0}, aborting Scene.RemoveClient", agentID);
-                    IEventQueue eq = RequestModuleInterface<IEventQueue>();
+                    return;
-                    if (eq != null)
-                    {
-                        eq.DisableSimulator(RegionInfo.RegionHandle, avatar.UUID);
-                    }
-                    else
-                    {
-                        avatar.ControllingClient.SendShutdownConnectionNotice();
-                    }
                }
+                else
-                // Only applies to root agents.
-                if (avatar.ParentID != 0)
                {
-                    avatar.StandUp();
+                    // We remove the acd up here to avoid later raec conditions if two RemoveClient() calls occurred
+                    // simultaneously.
+                    m_authenticateHandler.RemoveCircuit(acd.circuitcode);
                }
+            }
-                m_sceneGraph.removeUserCount(!isChildAgent);
+            lock (acd)
+            {
-                // TODO: We shouldn't use closeChildAgents here - it's being used by the NPC module to stop
+                ScenePresence avatar = GetScenePresence(agentID);
-                // unnecessary operations.  This should go away once NPCs have no accompanying IClientAPI
+    
-                if (closeChildAgents && CapsModule != null)
+                if (avatar == null)
-                    CapsModule.RemoveCaps(agentID);
-                // REFACTORING PROBLEM -- well not really a problem, but just to point out that whatever
-                // this method is doing is HORRIBLE!!!
-                avatar.Scene.NeedSceneCacheClear(avatar.UUID);
-                if (closeChildAgents && !isChildAgent)
                {
-                    List<ulong> regions = avatar.KnownRegionHandles;
+                    m_log.WarnFormat(
-                    regions.Remove(RegionInfo.RegionHandle);
+                        "[SCENE]: Called RemoveClient() with agent ID {0} but no such presence is in the scene.", agentID);
-                    m_sceneGridService.SendCloseChildAgentConnections(agentID, regions);
+    
+                    return;
                }
+    
-                m_eventManager.TriggerClientClosed(agentID, this);
+                try
-                m_eventManager.TriggerOnRemovePresence(agentID);
-                if (!isChildAgent)
                {
-                    if (AttachmentsModule != null)
+                    isChildAgent = avatar.IsChildAgent;
+                    m_log.DebugFormat(
+                        "[SCENE]: Removing {0} agent {1} {2} from {3}",
+                        (isChildAgent ? "child" : "root"), avatar.Name, agentID, RegionInfo.RegionName);
+    
+                    // Don't do this to root agents, it's not nice for the viewer
+                    if (closeChildAgents && isChildAgent)
                    {
-                        AttachmentsModule.DeRezAttachments(avatar);
+                        // Tell a single agent to disconnect from the region.
+                        IEventQueue eq = RequestModuleInterface<IEventQueue>();
+                        if (eq != null)
+                        {
+                            eq.DisableSimulator(RegionInfo.RegionHandle, avatar.UUID);
+                        }
+                        else
+                        {
+                            avatar.ControllingClient.SendShutdownConnectionNotice();
+                        }
                    }
+    
-                    ForEachClient(
+                    // Only applies to root agents.
-                        delegate(IClientAPI client)
+                    if (avatar.ParentID != 0)
+                    {
+                        avatar.StandUp();
+                    }
+    
+                    m_sceneGraph.removeUserCount(!isChildAgent);
+    
+                    // 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);
+    
+                    // REFACTORING PROBLEM -- well not really a problem, but just to point out that whatever
+                    // this method is doing is HORRIBLE!!!
+                    avatar.Scene.NeedSceneCacheClear(avatar.UUID);
+    
+                    if (closeChildAgents && !isChildAgent)
+                    {
+                        List<ulong> regions = avatar.KnownRegionHandles;
+                        regions.Remove(RegionInfo.RegionHandle);
+                        m_sceneGridService.SendCloseChildAgentConnections(agentID, regions);
+                    }
+    
+                    m_eventManager.TriggerClientClosed(agentID, this);
+                    m_eventManager.TriggerOnRemovePresence(agentID);
+    
+                    if (!isChildAgent)
+                    {
+                        if (AttachmentsModule != null)
                        {
-                            //We can safely ignore null reference exceptions.  It means the avatar is dead and cleaned up anyway
+                            AttachmentsModule.DeRezAttachments(avatar);
-                            try { client.SendKillObject(avatar.RegionHandle, new List<uint> { avatar.LocalId }); }
+                        }
-                            catch (NullReferenceException) { }
-                        });
-                }
-                // It's possible for child agents to have transactions if changes are being made cross-border.
-                if (AgentTransactionsModule != null)
-                    AgentTransactionsModule.RemoveAgentAssetTransactions(agentID);
-                m_authenticateHandler.RemoveCircuit(avatar.ControllingClient.CircuitCode);
+                        ForEachClient(
-                m_log.Debug("[Scene] The avatar has left the building");
+                            delegate(IClientAPI client)
-            }
+                            {
-            catch (Exception e)
+                                //We can safely ignore null reference exceptions.  It means the avatar is dead and cleaned up anyway
-            {
+                                try { client.SendKillObject(avatar.RegionHandle, new List<uint> { avatar.LocalId }); }
-                m_log.Error(
+                                catch (NullReferenceException) { }
-                    string.Format("[SCENE]: Exception removing {0} from {1}.  Cleaning up.  Exception ", avatar.Name, Name), e);
+                            });
-            }
+                    }
-            finally
-            {
-                try
-                {
-                    // Always clean these structures up so that any failure above doesn't cause them to remain in the
-                    // scene with possibly bad effects (e.g. continually timing out on unacked packets and triggering
-                    // the same cleanup exception continually.
-                    m_sceneGraph.RemoveScenePresence(agentID);
-                    m_clientManager.Remove(agentID);
    
-                    avatar.Close();
+                    // It's possible for child agents to have transactions if changes are being made cross-border.
+                    if (AgentTransactionsModule != null)
+                        AgentTransactionsModule.RemoveAgentAssetTransactions(agentID);
+                    m_log.Debug("[Scene] The avatar has left the building");
                }
                catch (Exception e)
                {
                    m_log.Error(
-                        string.Format("[SCENE]: Exception in final clean up of {0} in {1}.  Exception ", avatar.Name, Name), e);
+                        string.Format("[SCENE]: Exception removing {0} from {1}.  Cleaning up.  Exception ", avatar.Name, Name), e);
+                }
+                finally
+                {
+                    try
+                    {
+                        // Always clean these structures up so that any failure above doesn't cause them to remain in the
+                        // scene with possibly bad effects (e.g. continually timing out on unacked packets and triggering
+                        // the same cleanup exception continually.
+                        m_sceneGraph.RemoveScenePresence(agentID);
+                        m_clientManager.Remove(agentID);
+        
+                        avatar.Close();
+                    }
+                    catch (Exception e)
+                    {
+                        m_log.Error(
+                            string.Format("[SCENE]: Exception in final clean up of {0} in {1}.  Exception ", avatar.Name, Name), e);
+                    }
                }
            }
@@ -3634,11 +3710,9 @@ namespace OpenSim.Region.Framework.Scenes
        /// <summary>
        /// Do the work necessary to initiate a new user connection for a particular scene.
-        /// At the moment, this consists of setting up the caps infrastructure
-        /// The return bool should allow for connections to be refused, but as not all calling paths
-        /// take proper notice of it let, we allowed banned users in still.
        /// </summary>
        /// <param name="agent">CircuitData of the agent who is connecting</param>
+        /// <param name="teleportFlags"></param>
        /// <param name="reason">Outputs the reason for the false response on this string</param>
        /// <returns>True if the region accepts this agent.  False if it does not.  False will 
        /// also return a reason.</returns>
@@ -3649,10 +3723,20 @@ namespace OpenSim.Region.Framework.Scenes
        /// <summary>
        /// Do the work necessary to initiate a new user connection for a particular scene.
-        /// At the moment, this consists of setting up the caps infrastructure
+        /// </summary>
+        /// <remarks>
+        /// The return bool should allow for connections to be refused, but as not all calling paths
+        /// take proper notice of it yet, we still allowed banned users in.
+        ///
+        /// At the moment this method consists of setting up the caps infrastructure
        /// The return bool should allow for connections to be refused, but as not all calling paths
        /// take proper notice of it let, we allowed banned users in still.
-        /// </summary>
+        ///
+        /// This method is called by the login service (in the case of login) or another simulator (in the case of region
+        /// cross or teleport) to initiate the connection.  It is not triggered by the viewer itself - the connection
+        /// is activated later when the viewer sends the initial UseCircuitCodePacket UDP packet (in the case of
+        /// the LLUDP stack).
+        /// </remarks>
        /// <param name="agent">CircuitData of the agent who is connecting</param>
        /// <param name="reason">Outputs the reason for the false response on this string</param>
        /// <param name="requirePresenceLookup">True for normal presence. False for NPC
@@ -3755,79 +3839,82 @@ namespace OpenSim.Region.Framework.Scenes
                sp = null;
            }
+            lock (agent)
-            //On login test land permisions
-            if (vialogin)
            {
-                IUserAccountCacheModule cache = RequestModuleInterface<IUserAccountCacheModule>();
+                //On login test land permisions
-                if (cache != null)
+                if (vialogin)
-                    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());
+                    IUserAccountCacheModule cache = RequestModuleInterface<IUserAccountCacheModule>();
-                    return false;
+                    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;
+                    }
                }
-            }
-            if (sp == null) // We don't have an [child] agent here already
+                if (sp == null) // We don't have an [child] agent here already
-            {
-                if (requirePresenceLookup)
                {
-                    try
+                    if (requirePresenceLookup)
                    {
-                        if (!VerifyUserPresence(agent, out reason))
+                        try
+                        {
+                            if (!VerifyUserPresence(agent, out reason))
+                                return false;
+                        } catch (Exception e)
+                        {
+                            m_log.ErrorFormat(
+                                "[SCENE]: Exception verifying presence {0}{1}", e.Message, e.StackTrace);
                            return false;
-                    } catch (Exception e)
+                        }
+                    }
+                    try
+                    {
+                        // 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 verifying presence {0}{1}", e.Message, e.StackTrace);
+                            "[SCENE]: Exception authorizing user {0}{1}", e.Message, e.StackTrace);
                        return false;
                    }
-                }
-                try
+                    m_log.InfoFormat(
-                {
+                        "[SCENE]: Region {0} authenticated and authorized incoming {1} agent {2} {3} {4} (circuit code {5})",
-                    // Always check estate if this is a login. Always
+                        RegionInfo.RegionName, (agent.child ? "child" : "root"), agent.firstname, agent.lastname,
-                    // check if banned regions are to be blacked out.
+                        agent.AgentID, agent.circuitcode);
-                    if (vialogin || (!m_seeIntoBannedRegion))
+                    if (CapsModule != null)
                    {
-                        if (!AuthorizeUser(agent, out reason))
+                        CapsModule.SetAgentCapsSeeds(agent);
-                            return false;
+                        CapsModule.CreateCaps(agent.AgentID);
                    }
                }
-                catch (Exception e)
+                else
                {
-                    m_log.ErrorFormat(
+                    // Let the SP know how we got here. This has a lot of interesting
-                        "[SCENE]: Exception authorizing user {0}{1}", e.Message, e.StackTrace);
+                    // uses down the line.
-                    return false;
+                    sp.TeleportFlags = (TPFlags)teleportFlags;
-                }
-                m_log.InfoFormat(
-                    "[SCENE]: Region {0} authenticated and authorized incoming {1} agent {2} {3} {4} (circuit code {5})",
-                    RegionInfo.RegionName, (agent.child ? "child" : "root"), agent.firstname, agent.lastname,
-                    agent.AgentID, agent.circuitcode);
-                if (CapsModule != null)
+                    if (sp.IsChildAgent)
-                {
+                    {
-                    CapsModule.SetAgentCapsSeeds(agent);
+                        m_log.DebugFormat(
-                    CapsModule.CreateCaps(agent.AgentID);
+                            "[SCENE]: Adjusting known seeds for existing agent {0} in {1}",
-                }
+                            agent.AgentID, RegionInfo.RegionName);
-            } else
-            {
-                // Let the SP know how we got here. This has a lot of interesting
-                // uses down the line.
-                sp.TeleportFlags = (TPFlags)teleportFlags;
-                if (sp.IsChildAgent)
+                        sp.AdjustKnownSeeds();
-                {
-                    m_log.DebugFormat(
-                        "[SCENE]: Adjusting known seeds for existing agent {0} in {1}",
-                        agent.AgentID, RegionInfo.RegionName);
-                    sp.AdjustKnownSeeds();
+                        if (CapsModule != null)
-                    
+                            CapsModule.SetAgentCapsSeeds(agent);
-                    if (CapsModule != null)
+                    }
-                        CapsModule.SetAgentCapsSeeds(agent);
                }
            }
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index a31a9ea..d5d8f26 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -3082,7 +3082,7 @@ namespace OpenSim.Region.Framework.Scenes
            //                UUID, Name, TimeStampFull);
            if (ParentGroup.Scene != null)
-                ParentGroup.Scene.EventManager.TriggerSceneObjectPartUpdated(this);
+                ParentGroup.Scene.EventManager.TriggerSceneObjectPartUpdated(this, true);
        }
        /// <summary>
@@ -3116,7 +3116,7 @@ namespace OpenSim.Region.Framework.Scenes
            }
            if (ParentGroup.Scene != null)
-                ParentGroup.Scene.EventManager.TriggerSceneObjectPartUpdated(this);
+                ParentGroup.Scene.EventManager.TriggerSceneObjectPartUpdated(this, false);
        }
        public void ScriptSetPhysicsStatus(bool UsePhysics)
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSCharacter.cs b/OpenSim/Region/Physics/BulletSPlugin/BSCharacter.cs
index 2a52e01..2e6b2da 100644
--- a/OpenSim/Region/Physics/BulletSPlugin/BSCharacter.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSCharacter.cs
@@ -263,7 +263,7 @@ public class BSCharacter : BSPhysObject
    // A version of the sanity check that also makes sure a new position value is
    //    pushed back to the physics engine. This routine would be used by anyone
    //    who is not already pushing the value.
-    private bool PositionSanityCheck2(bool atTaintTime)
+    private bool PositionSanityCheck2(bool inTaintTime)
    {
        bool ret = false;
        if (PositionSanityCheck())
@@ -275,7 +275,7 @@ public class BSCharacter : BSPhysObject
                DetailLog("{0},BSCharacter.PositionSanityCheck,taint,pos={1},orient={2}", LocalID, _position, _orientation);
                BulletSimAPI.SetObjectTranslation(PhysicsScene.WorldID, LocalID, _position, _orientation);
            };
-            if (atTaintTime)
+            if (inTaintTime)
                sanityOperation();
            else
                PhysicsScene.TaintedObject("BSCharacter.PositionSanityCheck", sanityOperation);
@@ -332,6 +332,13 @@ public class BSCharacter : BSPhysObject
            });
        }
    }
+    public override OMV.Vector3 ForceVelocity {
+        get { return _velocity; }
+        set {
+            _velocity = value;
+            BulletSimAPI.SetObjectVelocity(PhysicsScene.WorldID, LocalID, _velocity);
+        }
+    }
    public override OMV.Vector3 Torque {
        get { return _torque; }
        set { _torque = value;
@@ -432,6 +439,10 @@ public class BSCharacter : BSPhysObject
        get { return _rotationalVelocity; }
        set { _rotationalVelocity = value; }
    }
+    public override OMV.Vector3 ForceRotationalVelocity {
+        get { return _rotationalVelocity; }
+        set { _rotationalVelocity = value; }
+    }
    public override bool Kinematic {
        get { return _kinematic; }
        set { _kinematic = value; }
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSConstraint.cs b/OpenSim/Region/Physics/BulletSPlugin/BSConstraint.cs
index 63a4127..a20be3a 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BSConstraint.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSConstraint.cs
@@ -49,9 +49,16 @@ public abstract class BSConstraint : IDisposable
        if (m_enabled)
        {
            m_enabled = false;
-            bool success = BulletSimAPI.DestroyConstraint2(m_world.ptr, m_constraint.ptr);
+            if (m_constraint.ptr != IntPtr.Zero)
-            m_world.physicsScene.DetailLog("{0},BSConstraint.Dispose,taint,body1={1},body2={2},success={3}", BSScene.DetailLogZero, m_body1.ID, m_body2.ID, success);
+            {
-            m_constraint.ptr = System.IntPtr.Zero;
+                bool success = BulletSimAPI.DestroyConstraint2(m_world.ptr, m_constraint.ptr);
+                m_world.physicsScene.DetailLog("{0},BSConstraint.Dispose,taint,id1={1},body1={2},id2={3},body2={4},success={5}",
+                                    BSScene.DetailLogZero, 
+                                    m_body1.ID, m_body1.ptr.ToString("X"),
+                                    m_body2.ID, m_body2.ptr.ToString("X"),
+                                    success);
+                m_constraint.ptr = System.IntPtr.Zero;
+            }
        }
    }
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSDynamics.cs b/OpenSim/Region/Physics/BulletSPlugin/BSDynamics.cs
index 4ba2f62..56342b8 100644
--- a/OpenSim/Region/Physics/BulletSPlugin/BSDynamics.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSDynamics.cs
@@ -462,7 +462,7 @@ namespace OpenSim.Region.Physics.BulletSPlugin
                return;
            // Set the prim's inertia to zero. The vehicle code handles that and this
-            //    removes the torque action introduced by Bullet.
+            //    removes the motion and torque actions introduced by Bullet.
            Vector3 inertia = Vector3.Zero;
            BulletSimAPI.SetMassProps2(Prim.BSBody.ptr, Prim.MassRaw, inertia);
            BulletSimAPI.UpdateInertiaTensor2(Prim.BSBody.ptr);
@@ -481,7 +481,7 @@ namespace OpenSim.Region.Physics.BulletSPlugin
            m_lastPositionVector = Prim.ForcePosition;
            VDetailLog("{0},BSDynamics.Step,done,pos={1},force={2},velocity={3},angvel={4}",
-                    Prim.LocalID, Prim.Position, Prim.Force, Prim.Velocity, Prim.RotationalVelocity);
+                    Prim.LocalID, Prim.ForcePosition, Prim.Force, Prim.ForceVelocity, Prim.RotationalVelocity);
        }// end Step
        // Apply the effect of the linear motor.
@@ -540,7 +540,7 @@ namespace OpenSim.Region.Physics.BulletSPlugin
            // add Gravity and Buoyancy
            // There is some gravity, make a gravity force vector that is applied after object velocity.
            // m_VehicleBuoyancy: -1=2g; 0=1g; 1=0g;
-            Vector3 grav = Prim.PhysicsScene.DefaultGravity * (Prim.Mass * (1f - m_VehicleBuoyancy));
+            Vector3 grav = Prim.PhysicsScene.DefaultGravity * (Prim.Linkset.LinksetMass * (1f - m_VehicleBuoyancy));
            /*
             * RA: Not sure why one would do this
@@ -678,10 +678,10 @@ namespace OpenSim.Region.Physics.BulletSPlugin
                m_newVelocity.Z = 0;
            // Apply velocity
-            Prim.Velocity = m_newVelocity;
+            Prim.ForceVelocity = m_newVelocity;
            // apply gravity force
            // Why is this set here? The physics engine already does gravity.
-            // m_prim.AddForce(grav, false);
+            Prim.AddForce(grav, false, true);
            // Apply friction
            Vector3 keepFraction = Vector3.One - (Vector3.One / (m_linearFrictionTimescale / pTimestep));
@@ -704,7 +704,7 @@ namespace OpenSim.Region.Physics.BulletSPlugin
            // m_lastAngularVelocity           // what was last applied to body
            // Get what the body is doing, this includes 'external' influences
-            Vector3 angularVelocity = Prim.RotationalVelocity;
+            Vector3 angularVelocity = Prim.ForceRotationalVelocity;
            if (m_angularMotorApply > 0)
            {
@@ -810,7 +810,7 @@ namespace OpenSim.Region.Physics.BulletSPlugin
            m_lastAngularVelocity -= m_lastAngularVelocity * decayamount;
            // Apply to the body
-            Prim.RotationalVelocity = m_lastAngularVelocity;
+            Prim.ForceRotationalVelocity = m_lastAngularVelocity;
            VDetailLog("{0},MoveAngular,done,decay={1},lastAngular={2}", Prim.LocalID, decayamount, m_lastAngularVelocity);
        } //end MoveAngular
@@ -862,7 +862,7 @@ namespace OpenSim.Region.Physics.BulletSPlugin
        private void VDetailLog(string msg, params Object[] args)
        {
            if (Prim.PhysicsScene.VehicleLoggingEnabled)
-                Prim.PhysicsScene.PhysicsLogging.Write(msg, args);
+                Prim.PhysicsScene.DetailLog(msg, args);
        }
    }
 }
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSLinkset.cs b/OpenSim/Region/Physics/BulletSPlugin/BSLinkset.cs
index 3e82642..43b1262 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BSLinkset.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSLinkset.cs
@@ -52,8 +52,8 @@ public class BSLinkset
    //    the physical 'taint' children separately.
    // After taint processing and before the simulation step, these
    //    two lists must be the same.
-    private List<BSPhysObject> m_children;
+    private HashSet<BSPhysObject> m_children;
-    private List<BSPhysObject> m_taintChildren;
+    private HashSet<BSPhysObject> m_taintChildren;
    // We lock the diddling of linkset classes to prevent any badness.
    // This locks the modification of the instances of this class. Changes
@@ -90,8 +90,8 @@ public class BSLinkset
            m_nextLinksetID = 1;
        PhysicsScene = scene;
        LinksetRoot = parent;
-        m_children = new List<BSPhysObject>();
+        m_children = new HashSet<BSPhysObject>();
-        m_taintChildren = new List<BSPhysObject>();
+        m_taintChildren = new HashSet<BSPhysObject>();
        m_mass = parent.MassRaw;
    }
@@ -160,6 +160,28 @@ public class BSLinkset
        return ret;
    }
+    // When physical properties are changed the linkset needs to recalculate
+    //   its internal properties.
+    // May be called at runtime or taint-time (just pass the appropriate flag).
+    public void Refresh(BSPhysObject requestor, bool inTaintTime)
+    {
+        // If there are no children, not physical or not root, I am not the one that recomputes the constraints
+        // (For the moment, static linksets do create constraints so remove the test for physical.)
+        if (!HasAnyChildren || /*!requestor.IsPhysical ||*/ !IsRoot(requestor))
+            return;
+        BSScene.TaintCallback refreshOperation = delegate()
+            {
+                RecomputeLinksetConstraintVariables();
+                DetailLog("{0},BSLinkset.Refresh,complete,rBody={1}", 
+                                LinksetRoot.LocalID, LinksetRoot.BSBody.ptr.ToString("X"));
+            };
+        if (inTaintTime)
+            refreshOperation();
+        else
+            PhysicsScene.TaintedObject("BSLinkSet.Refresh", refreshOperation);
+    }
    // The object is going dynamic (physical). Do any setup necessary
    //     for a dynamic linkset.
    // Only the state of the passed object can be modified. The rest of the linkset
@@ -182,22 +204,19 @@ public class BSLinkset
        return false;
    }
-    // When physical properties are changed the linkset needs to recalculate
+    // If the software is handling the movement of all the objects in a linkset
-    //   its internal properties.
+    // (like if one doesn't use constraints for static linksets), this is called
-    // Called at runtime.
+    // when an update for the root of the linkset is received.
-    public void Refresh(BSPhysObject requestor)
+    // Called at taint-time!!
+    public void UpdateProperties(BSPhysObject physObject)
    {
-        // If there are no children, there can't be any constraints to recompute
+        // The root local properties have been updated. Apply to the children if appropriate.
-        if (!HasAnyChildren)
+        if (IsRoot(physObject) && HasAnyChildren)
-            return;
-        // Only the root does the recomputation
-        if (IsRoot(requestor))
        {
-            PhysicsScene.TaintedObject("BSLinkSet.Refresh", delegate()
+            if (!physObject.IsPhysical)
            {
-                RecomputeLinksetConstraintVariables();
+                // TODO: implement software linkset update for static object linksets
-            });
+            }
        }
    }
@@ -215,13 +234,10 @@ public class BSLinkset
            if (IsRoot(child))
            {
                // If the one with the dependency is root, must undo all children
-                DetailLog("{0},BSLinkset.RemoveBodyDependencies,removeChildrenForRoot,rID={1},numChild={2}",
+                DetailLog("{0},BSLinkset.RemoveBodyDependencies,removeChildrenForRoot,rID={1},rBody={2}",
-                                                child.LocalID, LinksetRoot.LocalID, m_taintChildren.Count);
+                                                child.LocalID, LinksetRoot.LocalID, LinksetRoot.BSBody.ptr.ToString("X"));
-                foreach (BSPhysObject bpo in m_taintChildren)
-                {
+                ret = PhysicallyUnlinkAllChildrenFromRoot(LinksetRoot);
-                    PhysicallyUnlinkAChildFromRoot(LinksetRoot, LinksetRoot.BSBody, bpo, bpo.BSBody);
-                    ret = true;
-                }
            }
            else
            {
@@ -229,20 +245,16 @@ public class BSLinkset
                                                child.LocalID,
                                                LinksetRoot.LocalID, LinksetRoot.BSBody.ptr.ToString("X"),
                                                child.LocalID, child.BSBody.ptr.ToString("X"));
-                // Remove the dependency on the body of this one 
+                // ret = PhysicallyUnlinkAChildFromRoot(LinksetRoot, child);
-                if (m_taintChildren.Contains(child))
+                // Despite the function name, this removes any link to the specified object.
-                {
+                ret = PhysicallyUnlinkAllChildrenFromRoot(child);
-                    PhysicallyUnlinkAChildFromRoot(LinksetRoot, LinksetRoot.BSBody, child, child.BSBody);
-                    ret = true;
-                }
            }
        }
        return ret;
    }
-    // Routine used when rebuilding the body of the root of the linkset
+    // Companion to RemoveBodyDependencies(). If RemoveBodyDependencies() returns 'true',
-    // This is called after RemoveAllLinksToRoot() to restore all the constraints.
+    // this routine will restore the removed constraints.
-    // This is called when the root body has been changed.
    // Called at taint-time!!
    public void RestoreBodyDependencies(BSPrim child)
    {
@@ -254,7 +266,7 @@ public class BSLinkset
                                                child.LocalID, LinksetRoot.LocalID, m_taintChildren.Count);
                foreach (BSPhysObject bpo in m_taintChildren)
                {
-                    PhysicallyLinkAChildToRoot(LinksetRoot, LinksetRoot.BSBody, bpo, bpo.BSBody);
+                    PhysicallyLinkAChildToRoot(LinksetRoot, bpo);
                }
            }
            else
@@ -263,7 +275,7 @@ public class BSLinkset
                                                LinksetRoot.LocalID,
                                                LinksetRoot.LocalID, LinksetRoot.BSBody.ptr.ToString("X"),
                                                child.LocalID, child.BSBody.ptr.ToString("X"));
-                PhysicallyLinkAChildToRoot(LinksetRoot, LinksetRoot.BSBody, child, child.BSBody);
+                PhysicallyLinkAChildToRoot(LinksetRoot, child);
            }
        }
    }
@@ -330,22 +342,22 @@ public class BSLinkset
        {
            m_children.Add(child);
-            BSPhysObject rootx = LinksetRoot; // capture the root and body as of now
+            BSPhysObject rootx = LinksetRoot; // capture the root as of now
            BSPhysObject childx = child;
-            DetailLog("{0},AddChildToLinkset,call,rID={1},rBody={2},cID={3},cBody={4}", 
+            DetailLog("{0},AddChildToLinkset,call,child={1}", LinksetRoot.LocalID, child.LocalID);
-                            rootx.LocalID,
-                            rootx.LocalID, rootx.BSBody.ptr.ToString("X"),
-                            childx.LocalID, childx.BSBody.ptr.ToString("X"));
            PhysicsScene.TaintedObject("AddChildToLinkset", delegate()
            {
-                DetailLog("{0},AddChildToLinkset,taint,child={1}", LinksetRoot.LocalID, child.LocalID);
+                DetailLog("{0},AddChildToLinkset,taint,rID={1},rBody={2},cID={3},cBody={4}", 
-                // build the physical binding between me and the child
+                                rootx.LocalID,
-                m_taintChildren.Add(childx);
+                                rootx.LocalID, rootx.BSBody.ptr.ToString("X"),
+                                childx.LocalID, childx.BSBody.ptr.ToString("X"));
                // Since this is taint-time, the body and shape could have changed for the child
-                PhysicallyLinkAChildToRoot(rootx, rootx.BSBody, childx, childx.BSBody);
+                rootx.ForcePosition = rootx.Position;   // DEBUG
+                childx.ForcePosition = childx.Position;   // DEBUG
+                PhysicallyLinkAChildToRoot(rootx, childx);
+                m_taintChildren.Add(child);
            });
        }
        return;
@@ -378,10 +390,8 @@ public class BSLinkset
            PhysicsScene.TaintedObject("RemoveChildFromLinkset", delegate()
            {
-                if (m_taintChildren.Contains(childx))
+                m_taintChildren.Remove(child);
-                    m_taintChildren.Remove(childx);
+                PhysicallyUnlinkAChildFromRoot(rootx, childx);
-                PhysicallyUnlinkAChildFromRoot(rootx, rootx.BSBody, childx, childx.BSBody);
                RecomputeLinksetConstraintVariables();
            });
@@ -396,8 +406,7 @@ public class BSLinkset
    // Create a constraint between me (root of linkset) and the passed prim (the child).
    // Called at taint time!
-    private void PhysicallyLinkAChildToRoot(BSPhysObject rootPrim, BulletBody rootBody,
+    private void PhysicallyLinkAChildToRoot(BSPhysObject rootPrim, BSPhysObject childPrim)
-                                    BSPhysObject childPrim, BulletBody childBody)
    {
        // Zero motion for children so they don't interpolate
        childPrim.ZeroMotion();
@@ -409,33 +418,17 @@ public class BSLinkset
        // real world coordinate of midpoint between the two objects
        OMV.Vector3 midPoint = rootPrim.Position + (childRelativePosition / 2);
-        DetailLog("{0},PhysicallyLinkAChildToRoot,taint,root={1},rBody={2},child={3},cBody={4},rLoc={5},cLoc={6},midLoc={7}",
+        DetailLog("{0},BSLinkset.PhysicallyLinkAChildToRoot,taint,root={1},rBody={2},child={3},cBody={4},rLoc={5},cLoc={6},midLoc={7}",
                                        rootPrim.LocalID,
-                                        rootPrim.LocalID, rootBody.ptr.ToString("X"),
+                                        rootPrim.LocalID, rootPrim.BSBody.ptr.ToString("X"),
-                                        childPrim.LocalID, childBody.ptr.ToString("X"),
+                                        childPrim.LocalID, childPrim.BSBody.ptr.ToString("X"),
                                        rootPrim.Position, childPrim.Position, midPoint);
        // create a constraint that allows no freedom of movement between the two objects
        // http://bulletphysics.org/Bullet/phpBB3/viewtopic.php?t=4818
-        // There is great subtlty in these paramters. Notice the check for a ptr of zero.
-        // We pass the BulletBody structure into the taint in order to capture the pointer
-        //     of the body at the time of constraint creation. This doesn't work for the very first
-        //     construction because there is no body yet. The body
-        //     is constructed later at taint time. Thus we use the body address at time of the
-        //     taint creation but, if it is zero, use what's in the prim at the moment.
-        //     There is a possible race condition since shape can change without a taint call
-        //     (like changing to a mesh that is already constructed). The fix for that would be
-        //     to only change BSShape at taint time thus syncronizing these operations at
-        //     the cost of efficiency and lag.
        BS6DofConstraint constrain = new BS6DofConstraint(
-                        PhysicsScene.World,
+                            PhysicsScene.World, rootPrim.BSBody, childPrim.BSBody, midPoint, true, true );
-                        rootBody.ptr == IntPtr.Zero ? rootPrim.BSBody : rootBody,
-                        childBody.ptr == IntPtr.Zero ? childPrim.BSBody : childBody,
-                        midPoint,
-                        true,
-                        true
-                        );
        /* NOTE: below is an attempt to build constraint with full frame computation, etc.
         *     Using the midpoint is easier since it lets the Bullet code manipulate the transforms
@@ -452,7 +445,7 @@ public class BSLinkset
        // create a constraint that allows no freedom of movement between the two objects
        // http://bulletphysics.org/Bullet/phpBB3/viewtopic.php?t=4818
-        DetailLog("{0},PhysicallyLinkAChildToRoot,taint,root={1},child={2}", rootPrim.LocalID, rootPrim.LocalID, childPrim.LocalID);
+        DetailLog("{0},BSLinkset.PhysicallyLinkAChildToRoot,taint,root={1},child={2}", rootPrim.LocalID, rootPrim.LocalID, childPrim.LocalID);
        BS6DofConstraint constrain = new BS6DofConstraint(
                        PhysicsScene.World, rootPrim.Body, childPrim.Body,
                        OMV.Vector3.Zero,
@@ -486,39 +479,44 @@ public class BSLinkset
        {
            constrain.SetSolverIterations(PhysicsScene.Params.linkConstraintSolverIterations);
        }
-        RecomputeLinksetConstraintVariables();
    }
    // Remove linkage between myself and a particular child
    // The root and child bodies are passed in because we need to remove the constraint between
    //      the bodies that were at unlink time.
    // Called at taint time!
-    private void PhysicallyUnlinkAChildFromRoot(BSPhysObject rootPrim, BulletBody rootBody,
+    private bool PhysicallyUnlinkAChildFromRoot(BSPhysObject rootPrim, BSPhysObject childPrim)
-                                                    BSPhysObject childPrim, BulletBody childBody)
    {
-        DetailLog("{0},PhysicallyUnlinkAChildFromRoot,taint,root={1},rBody={2},child={3},cBody={4}",
+        bool ret = false;
+        DetailLog("{0},BSLinkset.PhysicallyUnlinkAChildFromRoot,taint,root={1},rBody={2},child={3},cBody={4}",
                            rootPrim.LocalID,
-                            rootPrim.LocalID, rootBody.ptr.ToString("X"),
+                            rootPrim.LocalID, rootPrim.BSBody.ptr.ToString("X"),
-                            childPrim.LocalID, childBody.ptr.ToString("X"));
+                            childPrim.LocalID, childPrim.BSBody.ptr.ToString("X"));
        // Find the constraint for this link and get rid of it from the overall collection and from my list
-        PhysicsScene.Constraints.RemoveAndDestroyConstraint(rootBody, childBody);
+        if (PhysicsScene.Constraints.RemoveAndDestroyConstraint(rootPrim.BSBody, childPrim.BSBody))
+        {
+            // Make the child refresh its location
+            BulletSimAPI.PushUpdate2(childPrim.BSBody.ptr);
+            ret = true;
+        }
-        // Make the child refresh its location
+        return ret;
-        BulletSimAPI.PushUpdate2(childPrim.BSBody.ptr);
    }
-    /*
    // Remove linkage between myself and any possible children I might have.
    // Called at taint time!
-    private void PhysicallyUnlinkAllChildrenFromRoot(BSPhysObject rootPrim)
+    private bool PhysicallyUnlinkAllChildrenFromRoot(BSPhysObject rootPrim)
    {
-        DetailLog("{0},PhysicallyUnlinkAllChildren,taint", rootPrim.LocalID);
+        DetailLog("{0},BSLinkset.PhysicallyUnlinkAllChildren,taint", rootPrim.LocalID);
+        bool ret = false;
-        PhysicsScene.Constraints.RemoveAndDestroyConstraint(rootPrim.BSBody);
+        if (PhysicsScene.Constraints.RemoveAndDestroyConstraint(rootPrim.BSBody))
+        {
+            ret = true;
+        }
+        return ret;
    }
-     */
    // Call each of the constraints that make up this linkset and recompute the
    //    various transforms and variables. Used when objects are added or removed
@@ -550,11 +548,17 @@ public class BSLinkset
        {
            // If this is a multiple object linkset, set everybody's center of mass to the set's center of mass
            OMV.Vector3 centerOfMass = ComputeLinksetCenterOfMass();
-            BulletSimAPI.SetCenterOfMassByPosRot2(LinksetRoot.BSBody.ptr, centerOfMass, OMV.Quaternion.Identity);
+            BulletSimAPI.SetCenterOfMassByPosRot2(LinksetRoot.BSBody.ptr, 
+                                centerOfMass, OMV.Quaternion.Identity);
+            DetailLog("{0},BSLinkset.RecomputeLinksetConstraintVariables,setCenterOfMass,COM={1},rBody={2}",
+                                LinksetRoot.LocalID, centerOfMass, LinksetRoot.BSBody.ptr.ToString("X"));
            foreach (BSPhysObject child in m_taintChildren)
            {
-                BulletSimAPI.SetCenterOfMassByPosRot2(child.BSBody.ptr, centerOfMass, OMV.Quaternion.Identity);
+                BulletSimAPI.SetCenterOfMassByPosRot2(child.BSBody.ptr, 
+                                centerOfMass, OMV.Quaternion.Identity);
            }
+            // BulletSimAPI.DumpAllInfo2(PhysicsScene.World.ptr);  // DEBUG DEBUG DEBUG
        }
        return;
    }
@@ -563,7 +567,8 @@ public class BSLinkset
    // Invoke the detailed logger and output something if it's enabled.
    private void DetailLog(string msg, params Object[] args)
    {
-        PhysicsScene.PhysicsLogging.Write(msg, args);
+        if (PhysicsScene.PhysicsLogging.Enabled)
+            PhysicsScene.DetailLog(msg, args);
    }
 }
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSPhysObject.cs b/OpenSim/Region/Physics/BulletSPlugin/BSPhysObject.cs
index 1ac8c59..cae599c 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BSPhysObject.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSPhysObject.cs
@@ -85,6 +85,10 @@ public abstract class BSPhysObject : PhysicsActor
    public abstract OMV.Quaternion ForceOrientation { get; set; }
+    public abstract OMV.Vector3 ForceVelocity { get; set; }
+    public abstract OMV.Vector3 ForceRotationalVelocity { get; set; }
    #region Collisions
    // Requested number of milliseconds between collision events. Zero means disabled.
@@ -207,7 +211,8 @@ public abstract class BSPhysObject : PhysicsActor
    // High performance detailed logging routine used by the physical objects.
    protected void DetailLog(string msg, params Object[] args)
    {
-        PhysicsScene.PhysicsLogging.Write(msg, args);
+        if (PhysicsScene.PhysicsLogging.Enabled)
+            PhysicsScene.DetailLog(msg, args);
    }
 }
 }
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSPrim.cs b/OpenSim/Region/Physics/BulletSPlugin/BSPrim.cs
index f7b68ba..6a4365c 100644
--- a/OpenSim/Region/Physics/BulletSPlugin/BSPrim.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSPrim.cs
@@ -196,7 +196,7 @@ public sealed class BSPrim : BSPhysObject
            _isSelected = value;
            PhysicsScene.TaintedObject("BSPrim.setSelected", delegate()
            {
-                // DetailLog("{0},BSPrim.selected,taint,selected={1}", LocalID, _isSelected);
+                DetailLog("{0},BSPrim.selected,taint,selected={1}", LocalID, _isSelected);
                SetObjectDynamic(false);
            });
        }
@@ -265,6 +265,11 @@ public sealed class BSPrim : BSPhysObject
            return _position;
        }
        set {
+            // If you must push the position into the physics engine, use ForcePosition.
+            if (_position == value)
+            {
+                return;
+            }
            _position = value;
            // TODO: what does it mean to set the position of a child prim?? Rebuild the constraint?
            PositionSanityCheck();
@@ -322,7 +327,7 @@ public sealed class BSPrim : BSPhysObject
    // A version of the sanity check that also makes sure a new position value is
    //    pushed back to the physics engine. This routine would be used by anyone
    //    who is not already pushing the value.
-    private bool PositionSanityCheck2(bool atTaintTime)
+    private bool PositionSanityCheck2(bool inTaintTime)
    {
        bool ret = false;
        if (PositionSanityCheck())
@@ -334,7 +339,7 @@ public sealed class BSPrim : BSPhysObject
                DetailLog("{0},BSPrim.PositionSanityCheck,taint,pos={1},orient={2}", LocalID, _position, _orientation);
                BulletSimAPI.SetObjectTranslation(PhysicsScene.WorldID, LocalID, _position, _orientation);
            };
-            if (atTaintTime)
+            if (inTaintTime)
                sanityOperation();
            else
                PhysicsScene.TaintedObject("BSPrim.PositionSanityCheck", sanityOperation);
@@ -453,7 +458,6 @@ public sealed class BSPrim : BSPhysObject
        }
        return;
    }
    public override OMV.Vector3 Velocity {
        get { return _velocity; }
        set {
@@ -465,6 +469,13 @@ public sealed class BSPrim : BSPhysObject
            });
        }
    }
+    public override OMV.Vector3 ForceVelocity {
+        get { return _velocity; }
+        set {
+            _velocity = value;
+            BulletSimAPI.SetLinearVelocity2(BSBody.ptr, _velocity);
+        }
+    }
    public override OMV.Vector3 Torque {
        get { return _torque; }
        set { _torque = value;
@@ -490,6 +501,8 @@ public sealed class BSPrim : BSPhysObject
            return _orientation;
        }
        set {
+            if (_orientation == value)
+                return;
            _orientation = value;
            // TODO: what does it mean if a child in a linkset changes its orientation? Rebuild the constraint?
            PhysicsScene.TaintedObject("BSPrim.setOrientation", delegate()
@@ -570,7 +583,7 @@ public sealed class BSPrim : BSPhysObject
        // Set up the object physicalness (does gravity and collisions move this object)
        MakeDynamic(IsStatic);
-        // Update vehicle specific parameters
+        // Update vehicle specific parameters (after MakeDynamic() so can change physical parameters)
        _vehicle.Refresh();
        // Arrange for collision events if the simulator wants them
@@ -593,7 +606,7 @@ public sealed class BSPrim : BSPhysObject
        // Recompute any linkset parameters.
        // When going from non-physical to physical, this re-enables the constraints that
        //     had been automatically disabled when the mass was set to zero.
-        Linkset.Refresh(this);
+        Linkset.Refresh(this, true);
        DetailLog("{0},BSPrim.UpdatePhysicalParameters,exit,static={1},solid={2},mass={3},collide={4},cf={5:X},body={6},shape={7}",
                        LocalID, IsStatic, IsSolid, _mass, SubscribedEvents(), CurrentCollisionFlags, BSBody, BSShape);
@@ -620,8 +633,10 @@ public sealed class BSPrim : BSPhysObject
            BulletSimAPI.UpdateInertiaTensor2(BSBody.ptr);
            // There can be special things needed for implementing linksets
            Linkset.MakeStatic(this);
-            // The activation state is 'disabled' so Bullet will not try to act on it
+            // The activation state is 'disabled' so Bullet will not try to act on it.
            BulletSimAPI.ForceActivationState2(BSBody.ptr, ActivationState.DISABLE_SIMULATION);
+            // Start it out sleeping and physical actions could wake it up.
+            // BulletSimAPI.ForceActivationState2(BSBody.ptr, ActivationState.ISLAND_SLEEPING);
            BSBody.collisionFilter = CollisionFilterGroups.StaticObjectFilter;
            BSBody.collisionMask = CollisionFilterGroups.StaticObjectMask;
@@ -638,6 +653,9 @@ public sealed class BSPrim : BSPhysObject
            // per http://www.bulletphysics.org/Bullet/phpBB3/viewtopic.php?t=3382
            BulletSimAPI.ClearAllForces2(BSBody.ptr);
+            // For good measure, make sure the transform is set through to the motion state
+            BulletSimAPI.SetTranslation2(BSBody.ptr, _position, _orientation);
            // A dynamic object has mass
            IntPtr collisionShapePtr = BulletSimAPI.GetCollisionShape2(BSBody.ptr);
            OMV.Vector3 inertia = BulletSimAPI.CalculateLocalInertia2(collisionShapePtr, Mass);
@@ -655,8 +673,8 @@ public sealed class BSPrim : BSPhysObject
            // Force activation of the object so Bullet will act on it.
            // Must do the ForceActivationState2() to overcome the DISABLE_SIMULATION from static objects.
-            BulletSimAPI.ForceActivationState2(BSBody.ptr, ActivationState.ISLAND_SLEEPING);
+            BulletSimAPI.ForceActivationState2(BSBody.ptr, ActivationState.ACTIVE_TAG);
-            BulletSimAPI.Activate2(BSBody.ptr, true);
+            // BulletSimAPI.Activate2(BSBody.ptr, true);
            BSBody.collisionFilter = CollisionFilterGroups.ObjectFilter;
            BSBody.collisionMask = CollisionFilterGroups.ObjectMask;
@@ -774,6 +792,15 @@ public sealed class BSPrim : BSPhysObject
            });
        }
    }
+    public override OMV.Vector3 ForceRotationalVelocity {
+        get {
+            return _rotationalVelocity;
+        }
+        set {
+            _rotationalVelocity = value;
+            BulletSimAPI.SetAngularVelocity2(BSBody.ptr, _rotationalVelocity);
+        }
+    }
    public override bool Kinematic {
        get { return _kinematic; }
        set { _kinematic = value;
@@ -828,6 +855,9 @@ public sealed class BSPrim : BSPhysObject
    private List<OMV.Vector3> m_accumulatedForces = new List<OMV.Vector3>();
    public override void AddForce(OMV.Vector3 force, bool pushforce) {
+        AddForce(force, pushforce, false);
+    }
+    public void AddForce(OMV.Vector3 force, bool pushforce, bool inTaintTime) {
        // for an object, doesn't matter if force is a pushforce or not
        if (force.IsFinite())
        {
@@ -840,11 +870,12 @@ public sealed class BSPrim : BSPhysObject
            m_log.WarnFormat("{0}: Got a NaN force applied to a prim. LocalID={1}", LogHeader, LocalID);
            return;
        }
-        PhysicsScene.TaintedObject("BSPrim.AddForce", delegate()
+        BSScene.TaintCallback addForceOperation = delegate()
        {
            OMV.Vector3 fSum = OMV.Vector3.Zero;
            lock (m_accumulatedForces)
            {
+                // Sum the accumulated additional forces for one big force to apply once.
                foreach (OMV.Vector3 v in m_accumulatedForces)
                {
                    fSum += v;
@@ -854,7 +885,11 @@ public sealed class BSPrim : BSPhysObject
            // DetailLog("{0},BSPrim.AddObjectForce,taint,force={1}", LocalID, fSum);
            // For unknown reasons, "ApplyCentralForce" adds this force to the total force on the object.
            BulletSimAPI.ApplyCentralForce2(BSBody.ptr, fSum);
-        });
+        };
+        if (inTaintTime)
+            addForceOperation();
+        else
+            PhysicsScene.TaintedObject("BSPrim.AddForce", addForceOperation);
    }
    public override void AddAngularForce(OMV.Vector3 force, bool pushforce) {
@@ -1204,6 +1239,7 @@ public sealed class BSPrim : BSPhysObject
        {
            // Called if the current prim body is about to be destroyed.
            // Remove all the physical dependencies on the old body.
+            // (Maybe someday make the changing of BSShape an event handled by BSLinkset.)
            needToRestoreLinkset = Linkset.RemoveBodyDependencies(this);
        });
@@ -1294,6 +1330,8 @@ public sealed class BSPrim : BSPhysObject
            PositionSanityCheck2(true);
+            Linkset.UpdateProperties(this);
            DetailLog("{0},BSPrim.UpdateProperties,call,pos={1},orient={2},vel={3},accel={4},rotVel={5}",
                    LocalID, _position, _orientation, _velocity, _acceleration, _rotationalVelocity);
@@ -1304,7 +1342,7 @@ public sealed class BSPrim : BSPhysObject
            /*
        else
        {
-            // For debugging, we can also report the movement of children
+            // For debugging, report the movement of children
            DetailLog("{0},BSPrim.UpdateProperties,child,pos={1},orient={2},vel={3},accel={4},rotVel={5}",
                    LocalID, entprop.Position, entprop.Rotation, entprop.Velocity,
                    entprop.Acceleration, entprop.RotationalVelocity);
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs b/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs
index aaed7de..2c3c481 100644
--- a/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs
@@ -39,7 +39,6 @@ using log4net;
 using OpenMetaverse;
 // TODOs for BulletSim (for BSScene, BSPrim, BSCharacter and BulletSim)
-// Move all logic out of the C++ code and into the C# code for easier future modifications.
 // Test sculpties (verified that they don't work)
 // Compute physics FPS reasonably
 // Based on material, set density and friction
@@ -90,10 +89,6 @@ public class BSScene : PhysicsScene, IPhysicsParameters
    // let my minuions use my logger
    public ILog Logger { get { return m_log; } }
-    // If non-zero, the number of simulation steps between calls to the physics
-    //    engine to output detailed physics stats. Debug logging level must be on also.
-    private int m_detailedStatsStep = 0;
    public IMesher mesher;
    // Level of Detail values kept as float because that's what the Meshmerizer wants
    public float MeshLOD { get; private set; }
@@ -112,6 +107,7 @@ public class BSScene : PhysicsScene, IPhysicsParameters
    private float m_fixedTimeStep;
    private long m_simulationStep = 0;
    public long SimulationStep { get { return m_simulationStep; } }
+    private int m_taintsToProcessPerStep;
    // A value of the time now so all the collision and update routines do not have to get their own
    // Set to 'now' just before all the prims and actors are called for collisions and updates
@@ -131,6 +127,7 @@ public class BSScene : PhysicsScene, IPhysicsParameters
    public bool ShouldMeshSculptedPrim { get; private set; }   // cause scuplted prims to get meshed
    public bool ShouldForceSimplePrimMeshing { get; private set; }   // if a cube or sphere, let Bullet do internal shapes
+    public bool ShouldUseHullsForPhysicalObjects { get; private set; }   // 'true' if should create hulls for physical objects
    public float PID_D { get; private set; }    // derivative
    public float PID_P { get; private set; }    // proportional
@@ -254,7 +251,7 @@ public class BSScene : PhysicsScene, IPhysicsParameters
        // The bounding box for the simulated world. The origin is 0,0,0 unless we're
        //    a child in a mega-region.
-        // Turns out that Bullet really doesn't care about the extents of the simulated
+        // Bullet actually doesn't care about the extents of the simulated
        //    area. It tracks active objects no matter where they are.
        Vector3 worldExtent = new Vector3(Constants.RegionSize, Constants.RegionSize, Constants.RegionHeight);
@@ -331,7 +328,7 @@ public class BSScene : PhysicsScene, IPhysicsParameters
    // Called directly from unmanaged code so don't do much
    private void BulletLoggerPhysLog(string msg)
    {
-        PhysicsLogging.Write("[BULLETS UNMANAGED]:" + msg);
+        DetailLog("[BULLETS UNMANAGED]:" + msg);
    }
    public override void Dispose()
@@ -494,8 +491,8 @@ public class BSScene : PhysicsScene, IPhysicsParameters
        m_simulationStep++;
        int numSubSteps = 0;
-        // Sometimes needed for debugging to find out what happened before the step
+        // DEBUG
-        // PhysicsLogging.Flush();
+        // DetailLog("{0},BSScene.Simulate,beforeStep,ntaimts={1},step={2}", DetailLogZero, numTaints, m_simulationStep);
        try
        {
@@ -505,8 +502,8 @@ public class BSScene : PhysicsScene, IPhysicsParameters
                        out updatedEntityCount, out updatedEntitiesPtr, out collidersCount, out collidersPtr);
            if (PhysicsLogging.Enabled) simTime = Util.EnvironmentTickCountSubtract(beforeTime);
-            DetailLog("{0},Simulate,call, nTaints={1}, simTime={2}, substeps={3}, updates={4}, colliders={5}",
+            DetailLog("{0},Simulate,call, frame={1}, nTaints={2}, simTime={3}, substeps={4}, updates={5}, colliders={6}",
-                        DetailLogZero, numTaints, simTime, numSubSteps, updatedEntityCount, collidersCount);
+                        DetailLogZero, m_simulationStep, numTaints, simTime, numSubSteps, updatedEntityCount, collidersCount);
        }
        catch (Exception e)
        {
@@ -582,19 +579,11 @@ public class BSScene : PhysicsScene, IPhysicsParameters
            }
        }
-        // If enabled, call into the physics engine to dump statistics
-        if (m_detailedStatsStep > 0)
-        {
-            if ((m_simulationStep % m_detailedStatsStep) == 0)
-            {
-                BulletSimAPI.DumpBulletStatistics();
-            }
-        }
        // The physics engine returns the number of milliseconds it simulated this call.
        // These are summed and normalized to one second and divided by 1000 to give the reported physics FPS.
-        // Since Bullet normally does 5 or 6 substeps, this will normally sum to about 60 FPS.
+        // We multiply by 45 to give a recognizable running rate (45 or less).
-        return numSubSteps * m_fixedTimeStep * 1000;
+        return numSubSteps * m_fixedTimeStep * 1000 * 45;
+        // return timeStep * 1000 * 45;
    }
    // Something has collided
@@ -617,7 +606,7 @@ public class BSScene : PhysicsScene, IPhysicsParameters
        BSPhysObject collidee = null;
        PhysObjects.TryGetValue(collidingWith, out collidee);
-        DetailLog("{0},BSScene.SendCollision,collide,id={1},with={2}", DetailLogZero, localID, collidingWith);
+        // DetailLog("{0},BSScene.SendCollision,collide,id={1},with={2}", DetailLogZero, localID, collidingWith);
        if (collider.Collide(collidingWith, collidee, collidePoint, collideNormal, penetration))
        {
@@ -704,6 +693,35 @@ public class BSScene : PhysicsScene, IPhysicsParameters
        if (_taintedObjects.Count > 0)  // save allocating new list if there is nothing to process
        {
            // swizzle a new list into the list location so we can process what's there
+            int taintCount = m_taintsToProcessPerStep;
+            TaintCallbackEntry oneCallback = new TaintCallbackEntry();
+            while (_taintedObjects.Count > 0 && taintCount-- > 0)
+            {
+                bool gotOne = false;
+                lock (_taintLock)
+                {
+                    if (_taintedObjects.Count > 0)
+                    {
+                        oneCallback = _taintedObjects[0];
+                        _taintedObjects.RemoveAt(0);
+                        gotOne = true;
+                    }
+                }
+                if (gotOne)
+                {
+                    try
+                    {
+                        DetailLog("{0},BSScene.ProcessTaints,doTaint,id={1}", DetailLogZero, oneCallback.ident); // DEBUG DEBUG DEBUG
+                        oneCallback.callback();
+                    }
+                    catch (Exception e)
+                    {
+                        m_log.ErrorFormat("{0}: ProcessTaints: {1}: Exception: {2}", LogHeader, oneCallback.ident, e);
+                    }
+                }
+            }
+            /*
+            // swizzle a new list into the list location so we can process what's there
            List<TaintCallbackEntry> oldList;
            lock (_taintLock)
            {
@@ -715,6 +733,7 @@ public class BSScene : PhysicsScene, IPhysicsParameters
            {
                try
                {
+                    DetailLog("{0},BSScene.ProcessTaints,doTaint,id={1}", DetailLogZero, tcbe.ident); // DEBUG DEBUG DEBUG
                    tcbe.callback();
                }
                catch (Exception e)
@@ -723,6 +742,7 @@ public class BSScene : PhysicsScene, IPhysicsParameters
                }
            }
            oldList.Clear();
+             */
        }
    }
@@ -834,6 +854,11 @@ public class BSScene : PhysicsScene, IPhysicsParameters
            (s,cf,p,v) => { s.ShouldForceSimplePrimMeshing = cf.GetBoolean(p, s.BoolNumeric(v)); },
            (s) => { return s.NumericBool(s.ShouldForceSimplePrimMeshing); },
            (s,p,l,v) => { s.ShouldForceSimplePrimMeshing = s.BoolNumeric(v); } ),
+        new ParameterDefn("UseHullsForPhysicalObjects", "If true, create hulls for physical objects",
+            ConfigurationParameters.numericTrue,
+            (s,cf,p,v) => { s.ShouldUseHullsForPhysicalObjects = cf.GetBoolean(p, s.BoolNumeric(v)); },
+            (s) => { return s.NumericBool(s.ShouldUseHullsForPhysicalObjects); },
+            (s,p,l,v) => { s.ShouldUseHullsForPhysicalObjects = s.BoolNumeric(v); } ),
        new ParameterDefn("MeshLevelOfDetail", "Level of detail to render meshes (32, 16, 8 or 4. 32=most detailed)",
            8f,
@@ -876,6 +901,11 @@ public class BSScene : PhysicsScene, IPhysicsParameters
            (s,cf,p,v) => { s.m_maxUpdatesPerFrame = cf.GetInt(p, (int)v); },
            (s) => { return (float)s.m_maxUpdatesPerFrame; },
            (s,p,l,v) => { s.m_maxUpdatesPerFrame = (int)v; } ),
+        new ParameterDefn("MaxTaintsToProcessPerStep", "Number of update taints to process before each simulation step",
+            100f,
+            (s,cf,p,v) => { s.m_taintsToProcessPerStep = cf.GetInt(p, (int)v); },
+            (s) => { return (float)s.m_taintsToProcessPerStep; },
+            (s,p,l,v) => { s.m_taintsToProcessPerStep = (int)v; } ),
        new ParameterDefn("MaxObjectMass", "Maximum object mass (10000.01)",
            10000.01f,
            (s,cf,p,v) => { s.MaximumObjectMass = cf.GetFloat(p, v); },
@@ -1070,12 +1100,12 @@ public class BSScene : PhysicsScene, IPhysicsParameters
            (s) => { return s.m_params[0].linkConstraintTransMotorMaxForce; },
            (s,p,l,v) => { s.m_params[0].linkConstraintTransMotorMaxForce = v; } ),
            new ParameterDefn("LinkConstraintCFM", "Amount constraint can be violated. 0=no violation, 1=infinite. Default=0.1",
-            0.1f,
+            0.001f,
            (s,cf,p,v) => { s.m_params[0].linkConstraintCFM = cf.GetFloat(p, v); },
            (s) => { return s.m_params[0].linkConstraintCFM; },
            (s,p,l,v) => { s.m_params[0].linkConstraintCFM = v; } ),
            new ParameterDefn("LinkConstraintERP", "Amount constraint is corrected each tick. 0=none, 1=all. Default = 0.2",
-            0.2f,
+            0.8f,
            (s,cf,p,v) => { s.m_params[0].linkConstraintERP = cf.GetFloat(p, v); },
            (s) => { return s.m_params[0].linkConstraintERP; },
            (s,p,l,v) => { s.m_params[0].linkConstraintERP = v; } ),
@@ -1085,11 +1115,11 @@ public class BSScene : PhysicsScene, IPhysicsParameters
            (s) => { return s.m_params[0].linkConstraintSolverIterations; },
            (s,p,l,v) => { s.m_params[0].linkConstraintSolverIterations = v; } ),
-        new ParameterDefn("DetailedStats", "Frames between outputting detailed phys stats. (0 is off)",
+        new ParameterDefn("LogPhysicsStatisticsFrames", "Frames between outputting detailed phys stats. (0 is off)",
            0f,
-            (s,cf,p,v) => { s.m_detailedStatsStep = cf.GetInt(p, (int)v); },
+            (s,cf,p,v) => { s.m_params[0].physicsLoggingFrames = cf.GetInt(p, (int)v); },
-            (s) => { return (float)s.m_detailedStatsStep; },
+            (s) => { return (float)s.m_params[0].physicsLoggingFrames; },
-            (s,p,l,v) => { s.m_detailedStatsStep = (int)v; } ),
+            (s,p,l,v) => { s.m_params[0].physicsLoggingFrames = (int)v; } ),
    };
    // Convert a boolean to our numeric true and false values
@@ -1270,6 +1300,8 @@ public class BSScene : PhysicsScene, IPhysicsParameters
    public void DetailLog(string msg, params Object[] args)
    {
        PhysicsLogging.Write(msg, args);
+        // Add the Flush() if debugging crashes to get all the messages written out.
+        // PhysicsLogging.Flush();
    }
    // used to fill in the LocalID when there isn't one
    public const string DetailLogZero = "0000000000";
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSShapeCollection.cs b/OpenSim/Region/Physics/BulletSPlugin/BSShapeCollection.cs
index 399a133..d189f1d 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BSShapeCollection.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSShapeCollection.cs
@@ -67,8 +67,8 @@ public class BSShapeCollection : IDisposable
        public DateTime lastReferenced;
    }
-    private Dictionary<ulong, MeshDesc> Meshes = new Dictionary<ulong, MeshDesc>();
+    private Dictionary<System.UInt64, MeshDesc> Meshes = new Dictionary<System.UInt64, MeshDesc>();
-    private Dictionary<ulong, HullDesc> Hulls = new Dictionary<ulong, HullDesc>();
+    private Dictionary<System.UInt64, HullDesc> Hulls = new Dictionary<System.UInt64, HullDesc>();
    private Dictionary<uint, BodyDesc> Bodies = new Dictionary<uint, BodyDesc>();
    public BSShapeCollection(BSScene physScene)
@@ -121,7 +121,7 @@ public class BSShapeCollection : IDisposable
    // Track another user of a body
    // We presume the caller has allocated the body.
    // Bodies only have one user so the reference count is either 1 or 0.
-    public void ReferenceBody(BulletBody body, bool atTaintTime)
+    public void ReferenceBody(BulletBody body, bool inTaintTime)
    {
        lock (m_collectionActivityLock)
        {
@@ -136,7 +136,21 @@ public class BSShapeCollection : IDisposable
                // New entry
                bodyDesc.ptr = body.ptr;
                bodyDesc.referenceCount = 1;
-                DetailLog("{0},BSShapeCollection.ReferenceBody,newBody,ref={1}", body.ID, body, bodyDesc.referenceCount);
+                DetailLog("{0},BSShapeCollection.ReferenceBody,newBody,ref={2}",
+                                    body.ID, body, bodyDesc.referenceCount);
+                BSScene.TaintCallback createOperation = delegate()
+                {
+                    if (!BulletSimAPI.IsInWorld2(body.ptr))
+                    {
+                        BulletSimAPI.AddObjectToWorld2(PhysicsScene.World.ptr, body.ptr);
+                        DetailLog("{0},BSShapeCollection.ReferenceBody,addedToWorld,ref={1}", 
+                                        body.ID, body);
+                    }
+                };
+                if (inTaintTime)
+                    createOperation();
+                else
+                    PhysicsScene.TaintedObject("BSShapeCollection.ReferenceBody", createOperation);
            }
            bodyDesc.lastReferenced = System.DateTime.Now;
            Bodies[body.ID] = bodyDesc;
@@ -160,21 +174,22 @@ public class BSShapeCollection : IDisposable
                Bodies[body.ID] = bodyDesc;
                DetailLog("{0},BSShapeCollection.DereferenceBody,ref={1}", body.ID, bodyDesc.referenceCount);
-                // If body is no longer being used, free it -- bodies are never shared.
+                // If body is no longer being used, free it -- bodies can never be shared.
                if (bodyDesc.referenceCount == 0)
                {
                    Bodies.Remove(body.ID);
                    BSScene.TaintCallback removeOperation = delegate()
                    {
-                        DetailLog("{0},BSShapeCollection.DereferenceBody,DestroyingBody. ptr={1}",
+                        DetailLog("{0},BSShapeCollection.DereferenceBody,DestroyingBody. ptr={1}, inTaintTime={2}",
-                                                    body.ID, body.ptr.ToString("X"));
+                                                    body.ID, body.ptr.ToString("X"), inTaintTime);
                        // If the caller needs to know the old body is going away, pass the event up.
                        if (bodyCallback != null) bodyCallback(body);
-                        // Zero any reference to the shape so it is not freed when the body is deleted.
-                        BulletSimAPI.SetCollisionShape2(PhysicsScene.World.ptr, body.ptr, IntPtr.Zero);
                        // It may have already been removed from the world in which case the next is a NOOP.
                        BulletSimAPI.RemoveObjectFromWorld2(PhysicsScene.World.ptr, body.ptr);
+                        // Zero any reference to the shape so it is not freed when the body is deleted.
+                        BulletSimAPI.SetCollisionShape2(PhysicsScene.World.ptr, body.ptr, IntPtr.Zero);
                        BulletSimAPI.DestroyObject2(PhysicsScene.World.ptr, body.ptr);
                    };
                    // If already in taint-time, do the operations now. Otherwise queue for later.
@@ -208,7 +223,7 @@ public class BSShapeCollection : IDisposable
                {
                    // There is an existing instance of this mesh.
                    meshDesc.referenceCount++;
-                    DetailLog("{0},BSShapeColliction.ReferenceShape,existingMesh,key={1},cnt={2}",
+                    DetailLog("{0},BSShapeCollection.ReferenceShape,existingMesh,key={1},cnt={2}",
                                BSScene.DetailLogZero, shape.shapeKey.ToString("X"), meshDesc.referenceCount);
                }
                else
@@ -217,7 +232,7 @@ public class BSShapeCollection : IDisposable
                    meshDesc.ptr = shape.ptr;
                    // We keep a reference to the underlying IMesh data so a hull can be built
                    meshDesc.referenceCount = 1;
-                    DetailLog("{0},BSShapeColliction.ReferenceShape,newMesh,key={1},cnt={2}",
+                    DetailLog("{0},BSShapeCollection.ReferenceShape,newMesh,key={1},cnt={2}",
                                BSScene.DetailLogZero, shape.shapeKey.ToString("X"), meshDesc.referenceCount);
                    ret = true;
                }
@@ -230,7 +245,7 @@ public class BSShapeCollection : IDisposable
                {
                    // There is an existing instance of this hull.
                    hullDesc.referenceCount++;
-                    DetailLog("{0},BSShapeColliction.ReferenceShape,existingHull,key={1},cnt={2}",
+                    DetailLog("{0},BSShapeCollection.ReferenceShape,existingHull,key={1},cnt={2}",
                                BSScene.DetailLogZero, shape.shapeKey.ToString("X"), hullDesc.referenceCount);
                }
                else
@@ -238,7 +253,7 @@ public class BSShapeCollection : IDisposable
                    // This is a new reference to a hull
                    hullDesc.ptr = shape.ptr;
                    hullDesc.referenceCount = 1;
-                    DetailLog("{0},BSShapeColliction.ReferenceShape,newHull,key={1},cnt={2}",
+                    DetailLog("{0},BSShapeCollection.ReferenceShape,newHull,key={1},cnt={2}",
                                BSScene.DetailLogZero, shape.shapeKey.ToString("X"), hullDesc.referenceCount);
                    ret = true;
@@ -257,7 +272,7 @@ public class BSShapeCollection : IDisposable
    // Release the usage of a shape.
    // The collisionObject is released since it is a copy of the real collision shape.
-    public void DereferenceShape(BulletShape shape, bool atTaintTime, ShapeDestructionCallback shapeCallback)
+    public void DereferenceShape(BulletShape shape, bool inTaintTime, ShapeDestructionCallback shapeCallback)
    {
        if (shape.ptr == IntPtr.Zero)
            return;
@@ -279,14 +294,14 @@ public class BSShapeCollection : IDisposable
                    if (shape.ptr != IntPtr.Zero & shape.isNativeShape)
                    {
                        DetailLog("{0},BSShapeCollection.DereferenceShape,deleteNativeShape,ptr={1},taintTime={2}",
-                                        BSScene.DetailLogZero, shape.ptr.ToString("X"), atTaintTime);
+                                        BSScene.DetailLogZero, shape.ptr.ToString("X"), inTaintTime);
                        if (shapeCallback != null) shapeCallback(shape);
                        BulletSimAPI.DeleteCollisionShape2(PhysicsScene.World.ptr, shape.ptr);
                    }
                    break;
            }
        };
-        if (atTaintTime)
+        if (inTaintTime)
        {
            lock (m_collectionActivityLock)
            {
@@ -358,7 +373,8 @@ public class BSShapeCollection : IDisposable
                        && pbs.PathScaleX == 100 && pbs.PathScaleY == 100
                        && pbs.PathShearX == 0 && pbs.PathShearY == 0) ) )
        {
-            if (pbs.ProfileShape == ProfileShape.HalfCircle && pbs.PathCurve == (byte)Extrusion.Curve1)
+            if ((pbs.ProfileShape == ProfileShape.HalfCircle && pbs.PathCurve == (byte)Extrusion.Curve1)
+                                && pbs.Scale.X == pbs.Scale.Y && pbs.Scale.Y == pbs.Scale.Z)
            {
                haveShape = true;
                if (forceRebuild
@@ -372,7 +388,7 @@ public class BSShapeCollection : IDisposable
                                        prim.LocalID, forceRebuild, prim.BSShape);
                }
            }
-            else
+            if (pbs.ProfileShape == ProfileShape.Square && pbs.PathCurve == (byte)Extrusion.Straight)
            {
                haveShape = true;
                if (forceRebuild
@@ -392,7 +408,7 @@ public class BSShapeCollection : IDisposable
        //     made. Native shapes are best used in either case.
        if (!haveShape)
        {
-            if (prim.IsPhysical)
+            if (prim.IsPhysical && PhysicsScene.ShouldUseHullsForPhysicalObjects)
            {
                // Update prim.BSShape to reference a hull of this shape.
                ret = GetReferenceToHull(prim, shapeData, pbs, shapeCallback);
@@ -426,7 +442,7 @@ public class BSShapeCollection : IDisposable
        // Native shapes are always built independently.
        newShape = new BulletShape(BulletSimAPI.BuildNativeShape2(PhysicsScene.World.ptr, shapeData), shapeType);
-        newShape.shapeKey = (ulong)shapeKey;
+        newShape.shapeKey = (System.UInt64)shapeKey;
        newShape.isNativeShape = true;
        // Don't need to do a 'ReferenceShape()' here because native shapes are not tracked.
@@ -446,7 +462,7 @@ public class BSShapeCollection : IDisposable
        BulletShape newShape = new BulletShape(IntPtr.Zero);
        float lod;
-        ulong newMeshKey = ComputeShapeKey(shapeData, pbs, out lod);
+        System.UInt64 newMeshKey = ComputeShapeKey(shapeData, pbs, out lod);
        // if this new shape is the same as last time, don't recreate the mesh
        if (newMeshKey == prim.BSShape.shapeKey && prim.BSShape.type == ShapeData.PhysicsShapeType.SHAPE_MESH)
@@ -469,7 +485,7 @@ public class BSShapeCollection : IDisposable
        return true;        // 'true' means a new shape has been added to this prim
    }
-    private BulletShape CreatePhysicalMesh(string objName, ulong newMeshKey, PrimitiveBaseShape pbs, OMV.Vector3 size, float lod)
+    private BulletShape CreatePhysicalMesh(string objName, System.UInt64 newMeshKey, PrimitiveBaseShape pbs, OMV.Vector3 size, float lod)
    {
        IMesh meshData = null;
        IntPtr meshPtr;
@@ -516,7 +532,7 @@ public class BSShapeCollection : IDisposable
        BulletShape newShape;
        float lod;
-        ulong newHullKey = ComputeShapeKey(shapeData, pbs, out lod);
+        System.UInt64 newHullKey = ComputeShapeKey(shapeData, pbs, out lod);
        // if the hull hasn't changed, don't rebuild it
        if (newHullKey == prim.BSShape.shapeKey && prim.BSShape.type == ShapeData.PhysicsShapeType.SHAPE_HULL)
@@ -525,7 +541,7 @@ public class BSShapeCollection : IDisposable
        DetailLog("{0},BSShapeCollection.CreateGeomHull,create,oldKey={1},newKey={2}",
                        prim.LocalID, prim.BSShape.shapeKey.ToString("X"), newHullKey.ToString("X"));
-        // Remove usage of the previous shape. Also removes reference to underlying mesh if it is a hull.
+        // Remove usage of the previous shape.
        DereferenceShape(prim.BSShape, true, shapeCallback);
        newShape = CreatePhysicalHull(prim.PhysObjectName, newHullKey, pbs, shapeData.Size, lod);
@@ -539,7 +555,7 @@ public class BSShapeCollection : IDisposable
    }
    List<ConvexResult> m_hulls;
-    private BulletShape CreatePhysicalHull(string objName, ulong newHullKey, PrimitiveBaseShape pbs, OMV.Vector3 size, float lod)
+    private BulletShape CreatePhysicalHull(string objName, System.UInt64 newHullKey, PrimitiveBaseShape pbs, OMV.Vector3 size, float lod)
    {
        IntPtr hullPtr;
@@ -652,22 +668,23 @@ public class BSShapeCollection : IDisposable
    // Create a hash of all the shape parameters to be used as a key
    //    for this particular shape.
-    private ulong ComputeShapeKey(ShapeData shapeData, PrimitiveBaseShape pbs, out float retLod)
+    private System.UInt64 ComputeShapeKey(ShapeData shapeData, PrimitiveBaseShape pbs, out float retLod)
    {
        // level of detail based on size and type of the object
        float lod = PhysicsScene.MeshLOD;
        if (pbs.SculptEntry)
            lod = PhysicsScene.SculptLOD;
+        // Mega prims usually get more detail because one can interact with shape approximations at this size.
        float maxAxis = Math.Max(shapeData.Size.X, Math.Max(shapeData.Size.Y, shapeData.Size.Z));
        if (maxAxis > PhysicsScene.MeshMegaPrimThreshold)
            lod = PhysicsScene.MeshMegaPrimLOD;
        retLod = lod;
-        return (ulong)pbs.GetMeshKey(shapeData.Size, lod);
+        return pbs.GetMeshKey(shapeData.Size, lod);
    }
    // For those who don't want the LOD
-    private ulong ComputeShapeKey(ShapeData shapeData, PrimitiveBaseShape pbs)
+    private System.UInt64 ComputeShapeKey(ShapeData shapeData, PrimitiveBaseShape pbs)
    {
        float lod;
        return ComputeShapeKey(shapeData, pbs, out lod);
@@ -701,6 +718,7 @@ public class BSShapeCollection : IDisposable
        if (mustRebuild || forceRebuild)
        {
+            // Free any old body
            DereferenceBody(prim.BSBody, true, bodyCallback);
            BulletBody aBody;
@@ -709,13 +727,13 @@ public class BSShapeCollection : IDisposable
            {
                bodyPtr = BulletSimAPI.CreateBodyFromShape2(sim.ptr, shape.ptr,
                                        shapeData.ID, shapeData.Position, shapeData.Rotation);
-                // DetailLog("{0},BSShapeCollection.CreateBody,mesh,ptr={1}", prim.LocalID, bodyPtr.ToString("X"));
+                DetailLog("{0},BSShapeCollection.CreateBody,mesh,ptr={1}", prim.LocalID, bodyPtr.ToString("X"));
            }
            else
            {
                bodyPtr = BulletSimAPI.CreateGhostFromShape2(sim.ptr, shape.ptr,
                                        shapeData.ID, shapeData.Position, shapeData.Rotation);
-                // DetailLog("{0},BSShapeCollection.CreateBody,ghost,ptr={1}", prim.LocalID, bodyPtr.ToString("X"));
+                DetailLog("{0},BSShapeCollection.CreateBody,ghost,ptr={1}", prim.LocalID, bodyPtr.ToString("X"));
            }
            aBody = new BulletBody(shapeData.ID, bodyPtr);
@@ -731,7 +749,8 @@ public class BSShapeCollection : IDisposable
    private void DetailLog(string msg, params Object[] args)
    {
-        PhysicsScene.PhysicsLogging.Write(msg, args);
+        if (PhysicsScene.PhysicsLogging.Enabled)
+            PhysicsScene.DetailLog(msg, args);
    }
 }
 }
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSTerrainManager.cs b/OpenSim/Region/Physics/BulletSPlugin/BSTerrainManager.cs
index 70aa429..caf411e 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BSTerrainManager.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSTerrainManager.cs
@@ -114,6 +114,8 @@ public class BSTerrainManager
                        BulletSimAPI.CreateBodyWithDefaultMotionState2(groundPlaneShape.ptr, BSScene.GROUNDPLANE_ID,
                                                            Vector3.Zero, Quaternion.Identity));
        BulletSimAPI.AddObjectToWorld2(PhysicsScene.World.ptr, m_groundPlane.ptr);
+        // Ground plane does not move
+        BulletSimAPI.ForceActivationState2(m_groundPlane.ptr, ActivationState.DISABLE_SIMULATION);
        // Everything collides with the ground plane.
        BulletSimAPI.SetCollisionFilterMask2(m_groundPlane.ptr,
                        (uint)CollisionFilterGroups.GroundPlaneFilter, (uint)CollisionFilterGroups.GroundPlaneMask);
@@ -201,10 +203,10 @@ public class BSTerrainManager
    // The 'doNow' boolean says whether to do all the unmanaged activities right now (like when
    //     calling this routine from initialization or taint-time routines) or whether to delay
    //     all the unmanaged activities to taint-time.
-    private void UpdateOrCreateTerrain(uint id, float[] heightMap, Vector3 minCoords, Vector3 maxCoords, bool atTaintTime)
+    private void UpdateOrCreateTerrain(uint id, float[] heightMap, Vector3 minCoords, Vector3 maxCoords, bool inTaintTime)
    {
-        DetailLog("{0},BSTerrainManager.UpdateOrCreateTerrain,call,minC={1},maxC={2},atTaintTime={3}",
+        DetailLog("{0},BSTerrainManager.UpdateOrCreateTerrain,call,minC={1},maxC={2},inTaintTime={3}",
-                            BSScene.DetailLogZero, minCoords, maxCoords, atTaintTime);
+                            BSScene.DetailLogZero, minCoords, maxCoords, inTaintTime);
        float minZ = float.MaxValue;
        float maxZ = float.MinValue;
@@ -296,16 +298,16 @@ public class BSTerrainManager
                    mapInfo.Ptr = BulletSimAPI.CreateHeightMapInfo2(PhysicsScene.World.ptr, mapInfo.ID,
                        mapInfo.minCoords, mapInfo.maxCoords, mapInfo.heightMap, TERRAIN_COLLISION_MARGIN);
+                    // Create the terrain shape from the mapInfo
+                    mapInfo.terrainShape = new BulletShape(BulletSimAPI.CreateTerrainShape2(mapInfo.Ptr),
+                                ShapeData.PhysicsShapeType.SHAPE_TERRAIN);
                    // The terrain object initial position is at the center of the object
                    Vector3 centerPos;
                    centerPos.X = minCoords.X + (mapInfo.sizeX / 2f);
                    centerPos.Y = minCoords.Y + (mapInfo.sizeY / 2f);
                    centerPos.Z = minZ + ((maxZ - minZ) / 2f);
-                    // Create the terrain shape from the mapInfo
-                    mapInfo.terrainShape = new BulletShape(BulletSimAPI.CreateTerrainShape2(mapInfo.Ptr),
-                                ShapeData.PhysicsShapeType.SHAPE_TERRAIN);
                    mapInfo.terrainBody = new BulletBody(mapInfo.ID,
                            BulletSimAPI.CreateBodyWithDefaultMotionState2(mapInfo.terrainShape.ptr,
                                                        id, centerPos, Quaternion.Identity));
@@ -320,9 +322,6 @@ public class BSTerrainManager
                BulletSimAPI.SetRestitution2(mapInfo.terrainBody.ptr, PhysicsScene.Params.terrainRestitution);
                BulletSimAPI.SetCollisionFlags2(mapInfo.terrainBody.ptr, CollisionFlags.CF_STATIC_OBJECT);
-                BulletSimAPI.SetMassProps2(mapInfo.terrainBody.ptr, 0f, Vector3.Zero);
-                BulletSimAPI.UpdateInertiaTensor2(mapInfo.terrainBody.ptr);
                // Return the new terrain to the world of physical objects
                BulletSimAPI.AddObjectToWorld2(PhysicsScene.World.ptr, mapInfo.terrainBody.ptr);
@@ -342,7 +341,7 @@ public class BSTerrainManager
            // There is the option to do the changes now (we're already in 'taint time'), or
            //     to do the Bullet operations later.
-            if (atTaintTime)
+            if (inTaintTime)
                rebuildOperation();
            else
                PhysicsScene.TaintedObject("BSScene.UpdateOrCreateTerrain:UpdateExisting", rebuildOperation);
@@ -381,7 +380,7 @@ public class BSTerrainManager
            };
            // If already in taint-time, just call Bullet. Otherwise queue the operations for the safe time.
-            if (atTaintTime)
+            if (inTaintTime)
                createOperation();
            else
                PhysicsScene.TaintedObject("BSScene.UpdateOrCreateTerrain:NewTerrain", createOperation);
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BulletSimAPI.cs b/OpenSim/Region/Physics/BulletSPlugin/BulletSimAPI.cs
index a43880d..276111c 100644
--- a/OpenSim/Region/Physics/BulletSPlugin/BulletSimAPI.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BulletSimAPI.cs
@@ -101,9 +101,8 @@ public struct BulletShape
    }
    public IntPtr ptr;
    public ShapeData.PhysicsShapeType type;
-    public ulong shapeKey;
+    public System.UInt64 shapeKey;
    public bool isNativeShape;
-    // Hulls have an underlying mesh. A pointer to it is hidden here.
    public override string ToString()
    {
        StringBuilder buff = new StringBuilder();
@@ -192,8 +191,9 @@ public struct ShapeData
                SHAPE_SPHERE    = 5,
                SHAPE_MESH      = 6,
                SHAPE_HULL      = 7,
-                SHAPE_GROUNDPLANE  = 8,
+        // following defined by BulletSim
-                SHAPE_TERRAIN   = 9,
+                SHAPE_GROUNDPLANE  = 20,
+                SHAPE_TERRAIN   = 21,
    };
    public uint ID;
    public PhysicsShapeType Type;
@@ -305,6 +305,8 @@ public struct ConfigurationParameters
    public float linkConstraintCFM;
    public float linkConstraintSolverIterations;
+    public float physicsLoggingFrames;
    public const float numericTrue = 1f;
    public const float numericFalse = 0f;
 }
@@ -1037,18 +1039,6 @@ public static extern IntPtr GetConstraintRef2(IntPtr obj, int index);
 public static extern int GetNumConstraintRefs2(IntPtr obj);
 [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity]
-public static extern Vector3 GetDeltaLinearVelocity2(IntPtr obj);
-[DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity]
-public static extern Vector3 GetDeltaAngularVelocity2(IntPtr obj);
-[DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity]
-public static extern Vector3 GetPushVelocity2(IntPtr obj);
-[DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity]
-public static extern Vector3 GetTurnVelocity2(IntPtr obj);
-[DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity]
 public static extern void SetCollisionFilterMask2(IntPtr body, uint filter, uint mask);
 // =====================================================================================
@@ -1108,6 +1098,15 @@ public static extern float GetMargin2(IntPtr shape);
 public static extern void DumpRigidBody2(IntPtr sim, IntPtr collisionObject);
 [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity]
+public static extern void DumpCollisionShape2(IntPtr sim, IntPtr collisionShape);
+[DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity]
+public static extern void DumpConstraint2(IntPtr sim, IntPtr constrain);
+[DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity]
+public static extern void DumpAllInfo2(IntPtr sim);
+[DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity]
 public static extern void DumpMapInfo2(IntPtr sim, IntPtr manInfo);
 [DllImport("BulletSim", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity]
diff --git a/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs b/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs
index f3b0630..c736557 100644
--- a/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs
+++ b/OpenSim/Region/Physics/OdePlugin/ODECharacter.cs
@@ -100,7 +100,7 @@ namespace OpenSim.Region.Physics.OdePlugin
        private bool m_hackSentFly = false;
        private int m_requestedUpdateFrequency = 0;
        private Vector3 m_taintPosition;
+        internal bool m_avatarplanted = false;
        /// <summary>
        /// Hold set forces so we can process them outside physics calculations.  This prevents race conditions if we set force
        /// while calculatios are going on
@@ -413,7 +413,7 @@ namespace OpenSim.Region.Physics.OdePlugin
            set
            {
                m_iscollidingObj = value;
-                if (value)
+                if (value && !m_avatarplanted)
                    m_pidControllerActive = false;
                else
                    m_pidControllerActive = true;
diff --git a/OpenSim/Region/Physics/OdePlugin/OdeScene.cs b/OpenSim/Region/Physics/OdePlugin/OdeScene.cs
index 7a50c4c..cbe21e2 100644
--- a/OpenSim/Region/Physics/OdePlugin/OdeScene.cs
+++ b/OpenSim/Region/Physics/OdePlugin/OdeScene.cs
@@ -501,6 +501,8 @@ namespace OpenSim.Region.Physics.OdePlugin
        public int physics_logging_interval = 0;
        public bool physics_logging_append_existing_logfile = false;
+        private bool avplanted = false;
+        private bool av_av_collisions_off = false;
        public d.Vector3 xyz = new d.Vector3(128.1640f, 128.3079f, 25.7600f);
        public d.Vector3 hpr = new d.Vector3(125.5000f, -17.0000f, 0.0000f);
@@ -644,6 +646,9 @@ namespace OpenSim.Region.Physics.OdePlugin
                    avMovementDivisorWalk = physicsconfig.GetFloat("av_movement_divisor_walk", 1.3f);
                    avMovementDivisorRun = physicsconfig.GetFloat("av_movement_divisor_run", 0.8f);
                    avCapRadius = physicsconfig.GetFloat("av_capsule_radius", 0.37f);
+                    avplanted = physicsconfig.GetBoolean("av_planted", false);
+                    av_av_collisions_off = physicsconfig.GetBoolean("av_av_collisions_off", false);
                    IsAvCapsuleTilted = physicsconfig.GetBoolean("av_capsule_tilted", false);
                    contactsPerCollision = physicsconfig.GetInt("contacts_per_collision", 80);
@@ -663,6 +668,8 @@ namespace OpenSim.Region.Physics.OdePlugin
                    meshSculptLOD = physicsconfig.GetFloat("mesh_lod", 32f);
                    MeshSculptphysicalLOD = physicsconfig.GetFloat("mesh_physical_lod", 16f);
                    m_filterCollisions = physicsconfig.GetBoolean("filter_collisions", false);
+                    
+                    
                    if (Environment.OSVersion.Platform == PlatformID.Unix)
                    {
@@ -1309,6 +1316,10 @@ namespace OpenSim.Region.Physics.OdePlugin
                if ((p1 is OdePrim) && (((OdePrim)p1).m_isVolumeDetect))
                    skipThisContact = true;   // No collision on volume detect prims
+                if (av_av_collisions_off)
+                    if ((p1 is OdeCharacter) && (p2 is OdeCharacter))
+                        skipThisContact = true;
                if (!skipThisContact && (p2 is OdePrim) && (((OdePrim)p2).m_isVolumeDetect))
                    skipThisContact = true;   // No collision on volume detect prims
@@ -1972,7 +1983,8 @@ namespace OpenSim.Region.Physics.OdePlugin
            newAv.Flying = isFlying;
            newAv.MinimumGroundFlightOffset = minimumGroundFlightOffset;
-            
+            newAv.m_avatarplanted = avplanted;
            return newAv;
        }
@@ -1987,6 +1999,7 @@ namespace OpenSim.Region.Physics.OdePlugin
        internal void AddCharacter(OdeCharacter chr)
        {
+            chr.m_avatarplanted = avplanted;
            if (!_characters.Contains(chr))
            {
                _characters.Add(chr);
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
index 2c682d4..17277d7 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
@@ -3600,7 +3600,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
        /// <returns></returns>
        public void osSetContentType(LSL_Key id, string type)
        {
-            CheckThreatLevel(ThreatLevel.High,"osSetResponseType");
+            CheckThreatLevel(ThreatLevel.High, "osSetContentType");
            if (m_UrlModule != null)
                m_UrlModule.HttpContentType(new UUID(id),type);
        }
@@ -3611,7 +3612,6 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
        /// <returns>boolean indicating whether an error was shouted.</returns>
        protected bool ShoutErrorOnLackingOwnerPerms(int perms, string errorPrefix)
        {
-            CheckThreatLevel(ThreatLevel.Moderate, "osDropAttachment");
            m_host.AddScriptLPS(1);
            bool fail = false;
            if (m_item.PermsGranter != m_host.OwnerID)
diff --git a/OpenSim/Server/ServerMain.cs b/OpenSim/Server/ServerMain.cs
index 21fb678..45c13fb 100644
--- a/OpenSim/Server/ServerMain.cs
+++ b/OpenSim/Server/ServerMain.cs
@@ -60,7 +60,25 @@ namespace OpenSim.Server
            }
            string connList = serverConfig.GetString("ServiceConnectors", String.Empty);
-            string[] conns = connList.Split(new char[] {',', ' '});
+            IConfig servicesConfig = m_Server.Config.Configs["ServiceList"];
+            if (servicesConfig != null)
+            {
+                List<string> servicesList = new List<string>();
+                if (connList != String.Empty)
+                    servicesList.Add(connList);
+                foreach (string k in servicesConfig.GetKeys())
+                {
+                    string v = servicesConfig.GetString(k);
+                    if (v != String.Empty)
+                        servicesList.Add(v);
+                }
+                connList = String.Join(",", servicesList.ToArray());
+            }
+            string[] conns = connList.Split(new char[] {',', ' ', '\n', '\r', '\t'});
 //            int i = 0;
            foreach (string c in conns)
@@ -130,4 +148,4 @@ namespace OpenSim.Server
            return 0;
        }
    }
-}
-\ No newline at end of file
+}
diff --git a/OpenSim/Services/Connectors/SimianGrid/SimianGridServiceConnector.cs b/OpenSim/Services/Connectors/SimianGrid/SimianGridServiceConnector.cs
index 67a10b0..20eaa3a 100644
--- a/OpenSim/Services/Connectors/SimianGrid/SimianGridServiceConnector.cs
+++ b/OpenSim/Services/Connectors/SimianGrid/SimianGridServiceConnector.cs
@@ -395,8 +395,8 @@ namespace OpenSim.Services.Connectors.SimianGrid
            if (response["Success"].AsBoolean())
            {
                OSDMap extraData = response["ExtraData"] as OSDMap;
-                int enabled = response["Enabled"].AsBoolean() ? (int) OpenSim.Data.RegionFlags.RegionOnline : 0;
+                int enabled = response["Enabled"].AsBoolean() ? (int)OpenSim.Framework.RegionFlags.RegionOnline : 0;
-                int hypergrid = extraData["HyperGrid"].AsBoolean() ? (int) OpenSim.Data.RegionFlags.Hyperlink : 0;
+                int hypergrid = extraData["HyperGrid"].AsBoolean() ? (int)OpenSim.Framework.RegionFlags.Hyperlink : 0;
                int flags =  enabled | hypergrid;
                m_log.DebugFormat("[SGGC] enabled - {0} hg - {1} flags - {2}", enabled, hypergrid, flags);
                return flags;
diff --git a/OpenSim/Services/GridService/GridService.cs b/OpenSim/Services/GridService/GridService.cs
index 5bdea06..ee3b858 100644
--- a/OpenSim/Services/GridService/GridService.cs
+++ b/OpenSim/Services/GridService/GridService.cs
@@ -151,11 +151,11 @@ namespace OpenSim.Services.GridService
                //
                // Get it's flags
                //
-                OpenSim.Data.RegionFlags rflags = (OpenSim.Data.RegionFlags)Convert.ToInt32(region.Data["flags"]);
+                OpenSim.Framework.RegionFlags rflags = (OpenSim.Framework.RegionFlags)Convert.ToInt32(region.Data["flags"]);
                // Is this a reservation?
                //
-                if ((rflags & OpenSim.Data.RegionFlags.Reservation) != 0)
+                if ((rflags & OpenSim.Framework.RegionFlags.Reservation) != 0)
                {
                    // Regions reserved for the null key cannot be taken.
                    if ((string)region.Data["PrincipalID"] == UUID.Zero.ToString())
@@ -166,10 +166,10 @@ namespace OpenSim.Services.GridService
                    // NOTE: Fudging the flags value here, so these flags
                    //       should not be used elsewhere. Don't optimize
                    //       this with the later retrieval of the same flags!
-                    rflags |= OpenSim.Data.RegionFlags.Authenticate;
+                    rflags |= OpenSim.Framework.RegionFlags.Authenticate;
                }
-                if ((rflags & OpenSim.Data.RegionFlags.Authenticate) != 0)
+                if ((rflags & OpenSim.Framework.RegionFlags.Authenticate) != 0)
                {
                    // Can we authenticate at all?
                    //
@@ -205,10 +205,10 @@ namespace OpenSim.Services.GridService
            if ((region != null) && (region.RegionID == regionInfos.RegionID) && 
                ((region.posX != regionInfos.RegionLocX) || (region.posY != regionInfos.RegionLocY)))
            {
-                if ((Convert.ToInt32(region.Data["flags"]) & (int)OpenSim.Data.RegionFlags.NoMove) != 0)
+                if ((Convert.ToInt32(region.Data["flags"]) & (int)OpenSim.Framework.RegionFlags.NoMove) != 0)
                    return "Can't move this region";
-                if ((Convert.ToInt32(region.Data["flags"]) & (int)OpenSim.Data.RegionFlags.LockedOut) != 0)
+                if ((Convert.ToInt32(region.Data["flags"]) & (int)OpenSim.Framework.RegionFlags.LockedOut) != 0)
                    return "Region locked out";
                // Region reregistering in other coordinates. Delete the old entry
@@ -233,7 +233,7 @@ namespace OpenSim.Services.GridService
            {
                int oldFlags = Convert.ToInt32(region.Data["flags"]);
-                oldFlags &= ~(int)OpenSim.Data.RegionFlags.Reservation;
+                oldFlags &= ~(int)OpenSim.Framework.RegionFlags.Reservation;
                rdata.Data["flags"] = oldFlags.ToString(); // Preserve flags
            }
@@ -252,7 +252,7 @@ namespace OpenSim.Services.GridService
            }
            int flags = Convert.ToInt32(rdata.Data["flags"]);
-            flags |= (int)OpenSim.Data.RegionFlags.RegionOnline;
+            flags |= (int)OpenSim.Framework.RegionFlags.RegionOnline;
            rdata.Data["flags"] = flags.ToString();
            try
@@ -283,9 +283,9 @@ namespace OpenSim.Services.GridService
            int flags = Convert.ToInt32(region.Data["flags"]);
-            if (!m_DeleteOnUnregister || (flags & (int)OpenSim.Data.RegionFlags.Persistent) != 0)
+            if (!m_DeleteOnUnregister || (flags & (int)OpenSim.Framework.RegionFlags.Persistent) != 0)
            {
-                flags &= ~(int)OpenSim.Data.RegionFlags.RegionOnline;
+                flags &= ~(int)OpenSim.Framework.RegionFlags.RegionOnline;
                region.Data["flags"] = flags.ToString();
                region.Data["last_seen"] = Util.UnixTimeSinceEpoch();
                try
@@ -320,7 +320,7 @@ namespace OpenSim.Services.GridService
                    if (rdata.RegionID != regionID)
                    {
                        int flags = Convert.ToInt32(rdata.Data["flags"]);
-                        if ((flags & (int)Data.RegionFlags.Hyperlink) == 0) // no hyperlinks as neighbours
+                        if ((flags & (int)Framework.RegionFlags.Hyperlink) == 0) // no hyperlinks as neighbours
                            rinfos.Add(RegionData2RegionInfo(rdata));
                    }
                }
@@ -470,7 +470,7 @@ namespace OpenSim.Services.GridService
            foreach (RegionData r in regions)
            {
-                if ((Convert.ToInt32(r.Data["flags"]) & (int)OpenSim.Data.RegionFlags.RegionOnline) != 0)
+                if ((Convert.ToInt32(r.Data["flags"]) & (int)OpenSim.Framework.RegionFlags.RegionOnline) != 0)
                    ret.Add(RegionData2RegionInfo(r));
            }
@@ -486,7 +486,7 @@ namespace OpenSim.Services.GridService
            foreach (RegionData r in regions)
            {
-                if ((Convert.ToInt32(r.Data["flags"]) & (int)OpenSim.Data.RegionFlags.RegionOnline) != 0)
+                if ((Convert.ToInt32(r.Data["flags"]) & (int)OpenSim.Framework.RegionFlags.RegionOnline) != 0)
                    ret.Add(RegionData2RegionInfo(r));
            }
@@ -502,7 +502,7 @@ namespace OpenSim.Services.GridService
            foreach (RegionData r in regions)
            {
-                if ((Convert.ToInt32(r.Data["flags"]) & (int)OpenSim.Data.RegionFlags.RegionOnline) != 0)
+                if ((Convert.ToInt32(r.Data["flags"]) & (int)OpenSim.Framework.RegionFlags.RegionOnline) != 0)
                    ret.Add(RegionData2RegionInfo(r));
            }
@@ -629,7 +629,7 @@ namespace OpenSim.Services.GridService
        private void OutputRegionToConsole(RegionData r)
        {
-            OpenSim.Data.RegionFlags flags = (OpenSim.Data.RegionFlags)Convert.ToInt32(r.Data["flags"]);
+            OpenSim.Framework.RegionFlags flags = (OpenSim.Framework.RegionFlags)Convert.ToInt32(r.Data["flags"]);
            ConsoleDisplayList dispList = new ConsoleDisplayList();
            dispList.AddRow("Region Name", r.RegionName);
@@ -659,7 +659,7 @@ namespace OpenSim.Services.GridService
            foreach (RegionData r in regions)
            {
-                OpenSim.Data.RegionFlags flags = (OpenSim.Data.RegionFlags)Convert.ToInt32(r.Data["flags"]);
+                OpenSim.Framework.RegionFlags flags = (OpenSim.Framework.RegionFlags)Convert.ToInt32(r.Data["flags"]);
                dispTable.AddRow(
                    r.RegionName,
                    r.RegionID.ToString(),
@@ -673,7 +673,7 @@ namespace OpenSim.Services.GridService
        private int ParseFlags(int prev, string flags)
        {
-            OpenSim.Data.RegionFlags f = (OpenSim.Data.RegionFlags)prev;
+            OpenSim.Framework.RegionFlags f = (OpenSim.Framework.RegionFlags)prev;
            string[] parts = flags.Split(new char[] {',', ' '}, StringSplitOptions.RemoveEmptyEntries);
@@ -685,18 +685,18 @@ namespace OpenSim.Services.GridService
                {
                    if (p.StartsWith("+"))
                    {
-                        val = (int)Enum.Parse(typeof(OpenSim.Data.RegionFlags), p.Substring(1));
+                        val = (int)Enum.Parse(typeof(OpenSim.Framework.RegionFlags), p.Substring(1));
-                        f |= (OpenSim.Data.RegionFlags)val;
+                        f |= (OpenSim.Framework.RegionFlags)val;
                    }
                    else if (p.StartsWith("-"))
                    {
-                        val = (int)Enum.Parse(typeof(OpenSim.Data.RegionFlags), p.Substring(1));
+                        val = (int)Enum.Parse(typeof(OpenSim.Framework.RegionFlags), p.Substring(1));
-                        f &= ~(OpenSim.Data.RegionFlags)val;
+                        f &= ~(OpenSim.Framework.RegionFlags)val;
                    }
                    else
                    {
-                        val = (int)Enum.Parse(typeof(OpenSim.Data.RegionFlags), p);
+                        val = (int)Enum.Parse(typeof(OpenSim.Framework.RegionFlags), p);
-                        f |= (OpenSim.Data.RegionFlags)val;
+                        f |= (OpenSim.Framework.RegionFlags)val;
                    }
                }
                catch (Exception)
@@ -728,7 +728,7 @@ namespace OpenSim.Services.GridService
                int flags = Convert.ToInt32(r.Data["flags"]);
                flags = ParseFlags(flags, cmd[4]);
                r.Data["flags"] = flags.ToString();
-                OpenSim.Data.RegionFlags f = (OpenSim.Data.RegionFlags)flags;
+                OpenSim.Framework.RegionFlags f = (OpenSim.Framework.RegionFlags)flags;
                MainConsole.Instance.Output(String.Format("Set region {0} to {1}", r.RegionName, f));
                m_Database.Store(r);
diff --git a/OpenSim/Services/GridService/HypergridLinker.cs b/OpenSim/Services/GridService/HypergridLinker.cs
index 78eab3d..743d089 100644
--- a/OpenSim/Services/GridService/HypergridLinker.cs
+++ b/OpenSim/Services/GridService/HypergridLinker.cs
@@ -390,8 +390,8 @@ namespace OpenSim.Services.GridService
            List<RegionData> regions = m_Database.Get(mapName, m_ScopeID);
            if (regions != null && regions.Count > 0)
            {
-                OpenSim.Data.RegionFlags rflags = (OpenSim.Data.RegionFlags)Convert.ToInt32(regions[0].Data["flags"]);
+                OpenSim.Framework.RegionFlags rflags = (OpenSim.Framework.RegionFlags)Convert.ToInt32(regions[0].Data["flags"]);
-                if ((rflags & OpenSim.Data.RegionFlags.Hyperlink) != 0)
+                if ((rflags & OpenSim.Framework.RegionFlags.Hyperlink) != 0)
                {
                    regInfo = new GridRegion(); 
                    regInfo.RegionID = regions[0].RegionID;
@@ -460,7 +460,7 @@ namespace OpenSim.Services.GridService
        private void AddHyperlinkRegion(GridRegion regionInfo, ulong regionHandle)
        {
            RegionData rdata = m_GridService.RegionInfo2RegionData(regionInfo);
-            int flags = (int)OpenSim.Data.RegionFlags.Hyperlink + (int)OpenSim.Data.RegionFlags.NoDirectLogin + (int)OpenSim.Data.RegionFlags.RegionOnline;
+            int flags = (int)OpenSim.Framework.RegionFlags.Hyperlink + (int)OpenSim.Framework.RegionFlags.NoDirectLogin + (int)OpenSim.Framework.RegionFlags.RegionOnline;
            rdata.Data["flags"] = flags.ToString();
            m_Database.Store(rdata);
diff --git a/OpenSim/Services/Interfaces/IGridService.cs b/OpenSim/Services/Interfaces/IGridService.cs
index cdcb961..3f4c958 100644
--- a/OpenSim/Services/Interfaces/IGridService.cs
+++ b/OpenSim/Services/Interfaces/IGridService.cs
@@ -100,6 +100,19 @@ namespace OpenSim.Services.Interfaces
        List<GridRegion> GetFallbackRegions(UUID scopeID, int x, int y);
        List<GridRegion> GetHyperlinks(UUID scopeID);
+        /// <summary>
+        /// Get internal OpenSimulator region flags.
+        /// </summary>
+        /// <remarks>
+        /// See OpenSimulator.Framework.RegionFlags.  These are not returned in the GridRegion structure -
+        /// they currently need to be requested separately.  Possibly this should change to avoid multiple service calls
+        /// in some situations.
+        /// </remarks>
+        /// <returns>
+        /// The region flags.
+        /// </returns>
+        /// <param name='scopeID'></param>
+        /// <param name='regionID'></param>
        int GetRegionFlags(UUID scopeID, UUID regionID);
    }
diff --git a/bin/OpenSimDefaults.ini b/bin/OpenSimDefaults.ini
index f4d9021..6a67e77 100644
--- a/bin/OpenSimDefaults.ini
+++ b/bin/OpenSimDefaults.ini
@@ -840,6 +840,15 @@
    ; When the avatar flies, it will be moved up by this amount off the ground (in meters)
    minimum_ground_flight_offset = 3.0
+    ; Plant avatar.   This reduces the effect of physical contacts with the avatar.
+    ; If you have a group of unruly and rude visitors that bump each other, turn this on to make that less attractive.  
+    ; The avatar still allows a small movement based on the PID settings above.  Stronger PID settings AND this active 
+    ; will lock the avatar in place
+    av_planted = false
+    ; No Avatar Avatar Collissions.  This causes avatar to be able to walk through each other as if they're ghosts but still interact with the environment
+    av_av_collisions_off = false
    ; ##
    ; ## Object options
    ; ##
diff --git a/bin/Robust.HG.ini.example b/bin/Robust.HG.ini.example
index 18094b7..82ef44d 100644
--- a/bin/Robust.HG.ini.example
+++ b/bin/Robust.HG.ini.example
@@ -21,7 +21,38 @@
 ; * [[<ConfigName>@]<port>/]<dll name>[:<class name>]
 ; *
 [Startup]
-ServiceConnectors = "8003/OpenSim.Server.Handlers.dll:AssetServiceConnector,8003/OpenSim.Server.Handlers.dll:XInventoryInConnector,8004/OpenSim.Server.Handlers.dll:FreeswitchServerConnector,8003/OpenSim.Server.Handlers.dll:GridServiceConnector,8002/OpenSim.Server.Handlers.dll:GridInfoServerInConnector,8003/OpenSim.Server.Handlers.dll:AuthenticationServiceConnector,8002/OpenSim.Server.Handlers.dll:OpenIdServerConnector,8003/OpenSim.Server.Handlers.dll:AvatarServiceConnector,8002/OpenSim.Server.Handlers.dll:LLLoginServiceInConnector,8003/OpenSim.Server.Handlers.dll:PresenceServiceConnector,8003/OpenSim.Server.Handlers.dll:UserAccountServiceConnector,8003/OpenSim.Server.Handlers.dll:GridUserServiceConnector,8003/OpenSim.Server.Handlers.dll:FriendsServiceConnector,8002/OpenSim.Server.Handlers.dll:GatekeeperServiceInConnector,8002/OpenSim.Server.Handlers.dll:UserAgentServerConnector,HGInventoryService@8002/OpenSim.Server.Handlers.dll:XInventoryInConnector,HGAssetService@8002/OpenSim.Server.Handlers.dll:AssetServiceConnector,8002/OpenSim.Server.Handlers.dll:HeloServiceInConnector,8002/OpenSim.Server.Handlers.dll:HGFriendsServerConnector,8002/OpenSim.Server.Handlers.dll:InstantMessageServerConnector,8003/OpenSim.Server.Handlers.dll:MapAddServiceConnector,8002/OpenSim.Server.Handlers.dll:MapGetServiceConnector"
+[ServiceList]
+AssetServiceConnector = "8003/OpenSim.Server.Handlers.dll:AssetServiceConnector"
+InventoryInConnector = "8003/OpenSim.Server.Handlers.dll:XInventoryInConnector"
+VoiceConnector = "8004/OpenSim.Server.Handlers.dll:FreeswitchServerConnector"
+GridServiceConnector = "8003/OpenSim.Server.Handlers.dll:GridServiceConnector"
+GridInfoServerInConnector = "8002/OpenSim.Server.Handlers.dll:GridInfoServerInConnector"
+AuthenticationServiceConnector = "8003/OpenSim.Server.Handlers.dll:AuthenticationServiceConnector"
+OpenIdServerConnector = "8002/OpenSim.Server.Handlers.dll:OpenIdServerConnector"
+AvatarServiceConnector = "8003/OpenSim.Server.Handlers.dll:AvatarServiceConnector"
+LLLoginServiceInConnector = "8002/OpenSim.Server.Handlers.dll:LLLoginServiceInConnector"
+PresenceServiceConnector = "8003/OpenSim.Server.Handlers.dll:PresenceServiceConnector"
+UserAccountServiceConnector = "8003/OpenSim.Server.Handlers.dll:UserAccountServiceConnector"
+GridUserServiceConnector = "8003/OpenSim.Server.Handlers.dll:GridUserServiceConnector"
+FriendsServiceConnector = "8003/OpenSim.Server.Handlers.dll:FriendsServiceConnector"
+MapAddServiceConnector = "8003/OpenSim.Server.Handlers.dll:MapAddServiceConnector"
+MapGetServiceConnector = "8002/OpenSim.Server.Handlers.dll:MapGetServiceConnector"
+;; Additions for Hypergrid
+GatekeeperServiceInConnector = "8002/OpenSim.Server.Handlers.dll:GatekeeperServiceInConnector"
+UserAgentServerConnector = "8002/OpenSim.Server.Handlers.dll:UserAgentServerConnector"
+HeloServiceInConnector = "8002/OpenSim.Server.Handlers.dll:HeloServiceInConnector"
+HGFriendsServerConnector = "8002/OpenSim.Server.Handlers.dll:HGFriendsServerConnector"
+InstantMessageServerConnector = "8002/OpenSim.Server.Handlers.dll:InstantMessageServerConnector"
+HGInventoryServiceConnector = "HGInventoryService@8002/OpenSim.Server.Handlers.dll:XInventoryInConnector"
+HGAssetServiceConnector = "HGAssetService@8002/OpenSim.Server.Handlers.dll:AssetServiceConnector"
+;; Additions for other add-on modules. For example:
+;; WifiServerConnector = "8002/Diva.Wifi.dll:WifiServerConnector"
 ; * This is common for all services, it's the network setup for the entire
 ; * server instance, if none is specified above
diff --git a/bin/Robust.ini.example b/bin/Robust.ini.example
index 5a9d613..2eb551d 100644
--- a/bin/Robust.ini.example
+++ b/bin/Robust.ini.example
@@ -13,7 +13,23 @@
 ; * [[<ConfigName>@]<port>/]<dll name>[:<class name>]
 ; *
 [Startup]
-ServiceConnectors = "8003/OpenSim.Server.Handlers.dll:AssetServiceConnector,8003/OpenSim.Server.Handlers.dll:XInventoryInConnector,8004/OpenSim.Server.Handlers.dll:FreeswitchServerConnector,8003/OpenSim.Server.Handlers.dll:GridServiceConnector,8002/OpenSim.Server.Handlers.dll:GridInfoServerInConnector,8003/OpenSim.Server.Handlers.dll:AuthenticationServiceConnector,8002/OpenSim.Server.Handlers.dll:OpenIdServerConnector,8003/OpenSim.Server.Handlers.dll:AvatarServiceConnector,8002/OpenSim.Server.Handlers.dll:LLLoginServiceInConnector,8003/OpenSim.Server.Handlers.dll:PresenceServiceConnector,8003/OpenSim.Server.Handlers.dll:UserAccountServiceConnector,8003/OpenSim.Server.Handlers.dll:GridUserServiceConnector,8003/OpenSim.Server.Handlers.dll:FriendsServiceConnector,8003/OpenSim.Server.Handlers.dll:MapAddServiceConnector,8002/OpenSim.Server.Handlers.dll:MapGetServiceConnector"
+[ServiceList]
+AssetServiceConnector = "8003/OpenSim.Server.Handlers.dll:AssetServiceConnector"
+InventoryInConnector = "8003/OpenSim.Server.Handlers.dll:XInventoryInConnector"
+VoiceConnector = "8004/OpenSim.Server.Handlers.dll:FreeswitchServerConnector"
+GridServiceConnector = "8003/OpenSim.Server.Handlers.dll:GridServiceConnector"
+GridInfoServerInConnector = "8002/OpenSim.Server.Handlers.dll:GridInfoServerInConnector"
+AuthenticationServiceConnector = "8003/OpenSim.Server.Handlers.dll:AuthenticationServiceConnector"
+OpenIdServerConnector = "8002/OpenSim.Server.Handlers.dll:OpenIdServerConnector"
+AvatarServiceConnector = "8003/OpenSim.Server.Handlers.dll:AvatarServiceConnector"
+LLLoginServiceInConnector = "8002/OpenSim.Server.Handlers.dll:LLLoginServiceInConnector"
+PresenceServiceConnector = "8003/OpenSim.Server.Handlers.dll:PresenceServiceConnector"
+UserAccountServiceConnector = "8003/OpenSim.Server.Handlers.dll:UserAccountServiceConnector"
+GridUserServiceConnector = "8003/OpenSim.Server.Handlers.dll:GridUserServiceConnector"
+FriendsServiceConnector = "8003/OpenSim.Server.Handlers.dll:FriendsServiceConnector"
+MapAddServiceConnector = "8003/OpenSim.Server.Handlers.dll:MapAddServiceConnector"
+MapGetServiceConnector = "8002/OpenSim.Server.Handlers.dll:MapGetServiceConnector"
 ; * This is common for all services, it's the network setup for the entire
 ; * server instance, if none is specified above
diff --git a/bin/lib32/BulletSim.dll b/bin/lib32/BulletSim.dll
index 1fd0a60..785f01f 100755
--- a/bin/lib32/BulletSim.dll
+++ b/bin/lib32/BulletSim.dll
Binary files differ
diff --git a/bin/lib32/libBulletSim.so b/bin/lib32/libBulletSim.so
index 3b42048..6af2fb4 100755
--- a/bin/lib32/libBulletSim.so
+++ b/bin/lib32/libBulletSim.so
Binary files differ
diff --git a/bin/lib64/BulletSim.dll b/bin/lib64/BulletSim.dll
index bfaabde..e9e521a 100755
--- a/bin/lib64/BulletSim.dll
+++ b/bin/lib64/BulletSim.dll
Binary files differ
diff --git a/bin/lib64/libBulletSim.so b/bin/lib64/libBulletSim.so
index 54ddad9..cbf4f79 100755
--- a/bin/lib64/libBulletSim.so
+++ b/bin/lib64/libBulletSim.so
Binary files differ
diff --git a/prebuild.xml b/prebuild.xml
index eae85bb..08e7070 100644
--- a/prebuild.xml
+++ b/prebuild.xml
@@ -112,6 +112,34 @@
      </Files>
    </Project>
+    <Project frameworkVersion="v3_5" name="OpenSim.Services.Interfaces" path="OpenSim/Services/Interfaces" type="Library">
+      <Configuration name="Debug">
+        <Options>
+          <OutputPath>../../../bin/</OutputPath>
+        </Options>
+      </Configuration>
+      <Configuration name="Release">
+        <Options>
+          <OutputPath>../../../bin/</OutputPath>
+        </Options>
+      </Configuration>
+      <ReferencePath>../../../bin/</ReferencePath>
+      <Reference name="System"/>
+      <Reference name="OpenMetaverseTypes" path="../../../bin/"/>
+      <Reference name="OpenMetaverse" path="../../../bin/"/>
+      <Reference name="OpenMetaverse.StructuredData" path="../../../bin/"/>
+      <Reference name="OpenSim.Framework"/>
+      <Reference name="OpenSim.Framework.Console"/>
+      <Reference name="OpenSim.Framework.Servers.HttpServer"/>
+      <Reference name="Nini" path="../../../bin/"/>
+      <Reference name="log4net" path="../../../bin/"/>
+      <Files>
+        <Match pattern="*.cs" recurse="true"/>
+      </Files>
+    </Project>
    <Project frameworkVersion="v3_5" name="OpenSim.Framework.Monitoring" path="OpenSim/Framework/Monitoring" type="Library">
      <Configuration name="Debug">
        <Options>
@@ -206,34 +234,6 @@
      </Files>
    </Project>
-    <Project frameworkVersion="v3_5" name="OpenSim.Services.Interfaces" path="OpenSim/Services/Interfaces" type="Library">
-      <Configuration name="Debug">
-        <Options>
-          <OutputPath>../../../bin/</OutputPath>
-        </Options>
-      </Configuration>
-      <Configuration name="Release">
-        <Options>
-          <OutputPath>../../../bin/</OutputPath>
-        </Options>
-      </Configuration>
-      <ReferencePath>../../../bin/</ReferencePath>
-      <Reference name="System"/>
-      <Reference name="OpenMetaverseTypes" path="../../../bin/"/>
-      <Reference name="OpenMetaverse" path="../../../bin/"/>
-      <Reference name="OpenMetaverse.StructuredData" path="../../../bin/"/>
-      <Reference name="OpenSim.Framework"/>
-      <Reference name="OpenSim.Framework.Console"/>
-      <Reference name="OpenSim.Framework.Servers.HttpServer"/>
-      <Reference name="Nini" path="../../../bin/"/>
-      <Reference name="log4net" path="../../../bin/"/>
-      <Files>
-        <Match pattern="*.cs" recurse="true"/>
-      </Files>
-    </Project>
    <Project frameworkVersion="v3_5" name="OpenSim.Framework.Serialization" path="OpenSim/Framework/Serialization" type="Library">
      <Configuration name="Debug">
        <Options>