6 files changed, 340 insertions, 161 deletions

diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index 3fd7485..55766cf 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -4121,32 +4121,52 @@ namespace OpenSim.Region.Framework.Scenes
                     }
                 }
 
+//                m_log.DebugFormat(
+//                    "[SCENE]: Found telehub object {0} for new user connection {1} to {2}", 
+//                    RegionInfo.RegionSettings.TelehubObject, acd.Name, Name);
+
                 // Honor Estate teleport routing via Telehubs excluding ViaHome and GodLike TeleportFlags
                 if (RegionInfo.RegionSettings.TelehubObject != UUID.Zero &&
                     RegionInfo.EstateSettings.AllowDirectTeleport == false &&
                     !viahome && !godlike)
                 {
                     SceneObjectGroup telehub = GetSceneObjectGroup(RegionInfo.RegionSettings.TelehubObject);
-                    // Can have multiple SpawnPoints
-                    List<SpawnPoint> spawnpoints = RegionInfo.RegionSettings.SpawnPoints();
-                    if (spawnpoints.Count > 1)
+
+                    if (telehub != null)
                     {
-                        // We have multiple SpawnPoints, Route the agent to a random or sequential one
-                        if (SpawnPointRouting == "random")
-                            acd.startpos = spawnpoints[Util.RandomClass.Next(spawnpoints.Count) - 1].GetLocation(
-                                telehub.AbsolutePosition,
-                                telehub.GroupRotation
-                            );
+                        // Can have multiple SpawnPoints
+                        List<SpawnPoint> spawnpoints = RegionInfo.RegionSettings.SpawnPoints();
+                        if (spawnpoints.Count > 1)
+                        {
+                            // We have multiple SpawnPoints, Route the agent to a random or sequential one
+                            if (SpawnPointRouting == "random")
+                                acd.startpos = spawnpoints[Util.RandomClass.Next(spawnpoints.Count) - 1].GetLocation(
+                                    telehub.AbsolutePosition,
+                                    telehub.GroupRotation
+                                );
+                            else
+                                acd.startpos = spawnpoints[SpawnPoint()].GetLocation(
+                                    telehub.AbsolutePosition,
+                                    telehub.GroupRotation
+                                );
+                        }
+                        else if (spawnpoints.Count == 1)
+                        {
+                            // We have a single SpawnPoint and will route the agent to it
+                            acd.startpos = spawnpoints[0].GetLocation(telehub.AbsolutePosition, telehub.GroupRotation);
+                        }
                         else
-                            acd.startpos = spawnpoints[SpawnPoint()].GetLocation(
-                                telehub.AbsolutePosition,
-                                telehub.GroupRotation
-                            );
+                        {
+                            m_log.DebugFormat(
+                                "[SCENE]: No spawnpoints defined for telehub {0} for {1} in {2}.  Continuing.", 
+                                RegionInfo.RegionSettings.TelehubObject, acd.Name, Name);
+                        }
                     }
                     else
                     {
-                        // We have a single SpawnPoint and will route the agent to it
-                        acd.startpos = spawnpoints[0].GetLocation(telehub.AbsolutePosition, telehub.GroupRotation);
+                        m_log.DebugFormat(
+                            "[SCENE]: No telehub {0} found to direct {1} in {2}.  Continuing.", 
+                            RegionInfo.RegionSettings.TelehubObject, acd.Name, Name);
                     }
 
                     return true;
@@ -4593,18 +4613,6 @@ namespace OpenSim.Region.Framework.Scenes
             return sp;
         }
 
-        public virtual bool IncomingRetrieveRootAgent(UUID id, out IAgentData agent)
-        {
-            agent = null;
-            ScenePresence sp = GetScenePresence(id);
-            if ((sp != null) && (!sp.IsChildAgent))
-            {
-                sp.IsChildAgent = true;
-                return sp.CopyAgent(out agent);
-            }
-
-            return false;
-        }
         /// <summary>
         /// Authenticated close (via network)
         /// </summary>
diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index 252c72f..f57d4fe 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -109,6 +109,16 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
+        /// <summary>
+        /// This exists to prevent race conditions between two CompleteMovement threads if the simulator is slow and
+        /// the viewer fires these in quick succession.
+        /// </summary>
+        /// <remarks>
+        /// TODO: The child -> agent transition should be folded into LifecycleState and the CompleteMovement 
+        /// regulation done there.
+        /// </remarks>
+        private object m_completeMovementLock = new object();
+
 //        private static readonly byte[] DEFAULT_TEXTURE = AvatarAppearance.GetDefaultTexture().GetBytes();
         private static readonly Array DIR_CONTROL_FLAGS = Enum.GetValues(typeof(Dir_ControlFlags));
         private static readonly Vector3 HEAD_ADJUSTMENT = new Vector3(0f, 0f, 0.3f);
@@ -984,6 +994,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// <summary>
         /// Turns a child agent into a root agent.
         /// </summary>
+        /// <remarks>
         /// Child agents are logged into neighbouring sims largely to observe changes.  Root agents exist when the
         /// avatar is actual in the sim.  They can perform all actions.
         /// This change is made whenever an avatar enters a region, whether by crossing over from a neighbouring sim,
@@ -991,49 +1002,52 @@ namespace OpenSim.Region.Framework.Scenes
         ///
         /// This method is on the critical path for transferring an avatar from one region to another.  Delay here
         /// delays that crossing.
-        /// </summary>
-        private void MakeRootAgent(Vector3 pos, bool isFlying)
+        /// </remarks>
+        private bool MakeRootAgent(Vector3 pos, bool isFlying)
         {
-//            m_log.InfoFormat(
-//                "[SCENE]: Upgrading child to root agent for {0} in {1}",
-//                Name, m_scene.RegionInfo.RegionName);
-
-            if (ParentUUID != UUID.Zero)
+            lock (m_completeMovementLock)
             {
-                m_log.DebugFormat("[SCENE PRESENCE]: Sitting avatar back on prim {0}", ParentUUID);
-                SceneObjectPart part = m_scene.GetSceneObjectPart(ParentUUID);
-                if (part == null)
+                if (!IsChildAgent)
+                    return false;
+
+                //m_log.DebugFormat("[SCENE]: known regions in {0}: {1}", Scene.RegionInfo.RegionName, KnownChildRegionHandles.Count);
+
+    //            m_log.InfoFormat(
+    //                "[SCENE]: Upgrading child to root agent for {0} in {1}",
+    //                Name, m_scene.RegionInfo.RegionName);
+
+                if (ParentUUID != UUID.Zero)
                 {
-                    m_log.ErrorFormat("[SCENE PRESENCE]: Can't find prim {0} to sit on", ParentUUID);
+                    m_log.DebugFormat("[SCENE PRESENCE]: Sitting avatar back on prim {0}", ParentUUID);
+                    SceneObjectPart part = m_scene.GetSceneObjectPart(ParentUUID);
+                    if (part == null)
+                    {
+                        m_log.ErrorFormat("[SCENE PRESENCE]: Can't find prim {0} to sit on", ParentUUID);
+                    }
+                    else
+                    {
+                        part.ParentGroup.AddAvatar(UUID);
+                        if (part.SitTargetPosition != Vector3.Zero)
+                            part.SitTargetAvatar = UUID;
+    //                    ParentPosition = part.GetWorldPosition();
+                        ParentID = part.LocalId;
+                        ParentPart = part;
+                        m_pos = PrevSitOffset;
+    //                    pos = ParentPosition;
+                        pos = part.GetWorldPosition();
+                    }
+                    ParentUUID = UUID.Zero;
+
+    //                Animator.TrySetMovementAnimation("SIT");
                 }
                 else
                 {
-                    part.ParentGroup.AddAvatar(UUID);
-                    if (part.SitTargetPosition != Vector3.Zero)
-                        part.SitTargetAvatar = UUID;
-//                    ParentPosition = part.GetWorldPosition();
-                    ParentID = part.LocalId;
-                    ParentPart = part;
-                    m_pos = PrevSitOffset;
-//                    pos = ParentPosition;
-                    pos = part.GetWorldPosition();
+                    IsLoggingIn = false;
                 }
-                ParentUUID = UUID.Zero;
-
-                IsChildAgent = false;
 
-//                Animator.TrySetMovementAnimation("SIT");
-            }
-            else
-            {
                 IsChildAgent = false;
-                IsLoggingIn = false;
             }
 
-            //m_log.DebugFormat("[SCENE]: known regions in {0}: {1}", Scene.RegionInfo.RegionName, KnownChildRegionHandles.Count);
-
-            IsChildAgent = false;
-
             // Must reset this here so that a teleport to a region next to an existing region does not keep the flag
             // set and prevent the close of the connection on a subsequent re-teleport.
             // Should not be needed if we are not trying to tell this region to close
@@ -1178,22 +1192,36 @@ namespace OpenSim.Region.Framework.Scenes
                 // and CHANGED_REGION) when the attachments have been rezzed in the new region.  This cannot currently
                 // be done in AttachmentsModule.CopyAttachments(AgentData ad, IScenePresence sp) itself since we are
                 // not transporting the required data.
-                lock (m_attachments)
+                //
+                // We need to restart scripts here so that they receive the correct changed events (CHANGED_TELEPORT
+                // and CHANGED_REGION) when the attachments have been rezzed in the new region.  This cannot currently
+                // be done in AttachmentsModule.CopyAttachments(AgentData ad, IScenePresence sp) itself since we are
+                // not transporting the required data.
+                //
+                // We must take a copy of the attachments list here (rather than locking) to avoid a deadlock where a script in one of 
+                // the attachments may start processing an event (which locks ScriptInstance.m_Script) that then calls a method here
+                // which needs to lock m_attachments.  ResumeScripts() needs to take a ScriptInstance.m_Script lock to try to unset the Suspend status.
+                //
+                // FIXME: In theory, this deadlock should not arise since scripts should not be processing events until ResumeScripts().
+                // But XEngine starts all scripts unsuspended.  Starting them suspended will not currently work because script rezzing
+                // is placed in an asynchronous queue in XEngine and so the ResumeScripts() call will almost certainly execute before the 
+                // script is rezzed.  This means the ResumeScripts() does absolutely nothing when using XEngine.
+                //
+                // One cannot simply iterate over attachments in a fire and forget thread because this would no longer
+                // be locked, allowing race conditions if other code changes the attachments list.
+                List<SceneObjectGroup> attachments = GetAttachments();
+
+                if (attachments.Count > 0)
                 {
-                    if (HasAttachments())
-                    {
-                        m_log.DebugFormat(
-                            "[SCENE PRESENCE]: Restarting scripts in attachments for {0} in {1}", Name, Scene.Name);
+                    m_log.DebugFormat(
+                        "[SCENE PRESENCE]: Restarting scripts in attachments for {0} in {1}", Name, Scene.Name);
 
-                        // Resume scripts
-                        Util.FireAndForget(delegate(object x) {
-                            foreach (SceneObjectGroup sog in m_attachments)
-                            {
-                                sog.ScheduleGroupForFullUpdate();
-                                sog.RootPart.ParentGroup.CreateScriptInstances(0, false, m_scene.DefaultScriptEngine, GetStateSource());
-                                sog.ResumeScripts();
-                            }
-                        });
+                    // Resume scripts
+                    foreach (SceneObjectGroup sog in attachments)
+                    {
+                        sog.ScheduleGroupForFullUpdate();
+                        sog.RootPart.ParentGroup.CreateScriptInstances(0, false, m_scene.DefaultScriptEngine, GetStateSource());
+                        sog.ResumeScripts();
                     }
                 }
             }
@@ -1215,6 +1243,7 @@ namespace OpenSim.Region.Framework.Scenes
 
             m_scene.EventManager.TriggerOnMakeRootAgent(this);
 
+            return true;
         }
 
         public int GetStateSource()
@@ -1637,7 +1666,14 @@ namespace OpenSim.Region.Framework.Scenes
             }
 
             bool flying = ((m_AgentControlFlags & AgentManager.ControlFlags.AGENT_CONTROL_FLY) != 0);
-            MakeRootAgent(AbsolutePosition, flying);
+            if (!MakeRootAgent(AbsolutePosition, flying))
+            {
+                m_log.DebugFormat(
+                    "[SCENE PRESENCE]: Aborting CompleteMovement call for {0} in {1} as they are already root", 
+                    Name, Scene.Name);
+
+                return;
+            }
 
             // Tell the client that we're totally ready
             ControllingClient.MoveAgentIntoRegion(m_scene.RegionInfo, AbsolutePosition, look);
@@ -2884,7 +2920,6 @@ namespace OpenSim.Region.Framework.Scenes
                     Rotation = newRot;
 
 //                    ParentPosition = part.AbsolutePosition;
-                    part.ParentGroup.AddAvatar(UUID);
                 }
                 else
                 {
@@ -2893,13 +2928,13 @@ namespace OpenSim.Region.Framework.Scenes
                     m_pos -= part.GroupPosition;
 
 //                    ParentPosition = part.AbsolutePosition;
-                    part.ParentGroup.AddAvatar(UUID);
 
 //                        m_log.DebugFormat(
 //                            "[SCENE PRESENCE]: Sitting {0} at position {1} ({2} + {3}) on part {4} {5} without sit target",
 //                            Name, part.AbsolutePosition, m_pos, ParentPosition, part.Name, part.LocalId);
                 }
 
+                part.ParentGroup.AddAvatar(UUID);
                 ParentPart = m_scene.GetSceneObjectPart(m_requestedSitTargetID);
                 ParentID = m_requestedSitTargetID;
                 m_AngularVelocity = Vector3.Zero;
@@ -3210,6 +3245,8 @@ namespace OpenSim.Region.Framework.Scenes
             // again here... this comes after the cached appearance check because the avatars
             // appearance goes into the avatar update packet
             SendAvatarDataToAllAgents();
+
+            // This invocation always shows up in the viewer logs as an error.  Is it needed?
             SendAppearanceToAgent(this);
 
             // If we are using the the cached appearance then send it out to everyone
diff --git a/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceAgentTests.cs b/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceAgentTests.cs
index d1aeaee..1ff1329 100644
--- a/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceAgentTests.cs
+++ b/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceAgentTests.cs
@@ -111,6 +111,45 @@ namespace OpenSim.Region.Framework.Scenes.Tests
             Assert.That(scene.GetScenePresences().Count, Is.EqualTo(1));
         }
 
+        /// <summary>
+        /// Test that duplicate complete movement calls are ignored.
+        /// </summary>
+        /// <remarks>
+        /// If duplicate calls are not ignored then there is a risk of race conditions or other unexpected effects.
+        /// </remarks>
+        [Test]
+        public void TestDupeCompleteMovementCalls()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+
+            UUID spUuid = TestHelpers.ParseTail(0x1);
+
+            TestScene scene = new SceneHelpers().SetupScene();
+
+            int makeRootAgentEvents = 0;
+            scene.EventManager.OnMakeRootAgent += spi => makeRootAgentEvents++;
+
+            ScenePresence sp = SceneHelpers.AddScenePresence(scene, spUuid);
+
+            Assert.That(makeRootAgentEvents, Is.EqualTo(1));
+
+            // Normally these would be invoked by a CompleteMovement message coming in to the UDP stack.  But for
+            // convenience, here we will invoke it manually.
+            sp.CompleteMovement(sp.ControllingClient, true);
+
+            Assert.That(makeRootAgentEvents, Is.EqualTo(1));
+
+            // Check rest of exepcted parameters.
+            Assert.That(scene.AuthenticateHandler.GetAgentCircuitData(spUuid), Is.Not.Null);
+            Assert.That(scene.AuthenticateHandler.GetAgentCircuits().Count, Is.EqualTo(1));
+          
+            Assert.That(sp.IsChildAgent, Is.False);
+            Assert.That(sp.UUID, Is.EqualTo(spUuid));
+
+            Assert.That(scene.GetScenePresences().Count, Is.EqualTo(1));
+        }
+
         [Test]
         public void TestCreateDuplicateRootScenePresence()
         {
@@ -249,58 +288,5 @@ namespace OpenSim.Region.Framework.Scenes.Tests
 //            Assert.That(childPresence, Is.Not.Null);
 //            Assert.That(childPresence.IsChildAgent, Is.True);
         }
-
-//        /// <summary>
-//        /// Test adding a root agent to a scene.  Doesn't yet actually complete crossing the agent into the scene.
-//        /// </summary>
-//        [Test]
-//        public void T010_TestAddRootAgent()
-//        {
-//            TestHelpers.InMethod();
-//
-//            string firstName = "testfirstname";
-//
-//            AgentCircuitData agent = new AgentCircuitData();
-//            agent.AgentID = agent1;
-//            agent.firstname = firstName;
-//            agent.lastname = "testlastname";
-//            agent.SessionID = UUID.Random();
-//            agent.SecureSessionID = UUID.Random();
-//            agent.circuitcode = 123;
-//            agent.BaseFolder = UUID.Zero;
-//            agent.InventoryFolder = UUID.Zero;
-//            agent.startpos = Vector3.Zero;
-//            agent.CapsPath = GetRandomCapsObjectPath();
-//            agent.ChildrenCapSeeds = new Dictionary<ulong, string>();
-//            agent.child = true;
-//
-//            scene.PresenceService.LoginAgent(agent.AgentID.ToString(), agent.SessionID, agent.SecureSessionID);
-//
-//            string reason;
-//            scene.NewUserConnection(agent, (uint)TeleportFlags.ViaLogin, out reason);
-//            testclient = new TestClient(agent, scene);
-//            scene.AddNewAgent(testclient);
-//
-//            ScenePresence presence = scene.GetScenePresence(agent1);
-//
-//            Assert.That(presence, Is.Not.Null, "presence is null");
-//            Assert.That(presence.Firstname, Is.EqualTo(firstName), "First name not same");
-//            acd1 = agent;
-//        }
-//
-//        /// <summary>
-//        /// Test removing an uncrossed root agent from a scene.
-//        /// </summary>
-//        [Test]
-//        public void T011_TestRemoveRootAgent()
-//        {
-//            TestHelpers.InMethod();
-//
-//            scene.RemoveClient(agent1);
-//
-//            ScenePresence presence = scene.GetScenePresence(agent1);
-//
-//            Assert.That(presence, Is.Null, "presence is not null");
-//        }
     }
 }
\ No newline at end of file
diff --git a/OpenSim/Region/Framework/Scenes/Tests/SceneTelehubTests.cs b/OpenSim/Region/Framework/Scenes/Tests/SceneTelehubTests.cs
new file mode 100644
index 0000000..9a97acc
--- /dev/null
+++ b/OpenSim/Region/Framework/Scenes/Tests/SceneTelehubTests.cs
@@ -0,0 +1,119 @@
+/*
+ * 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;
+using Nini.Config;
+using NUnit.Framework;
+using OpenMetaverse;
+using OpenSim.Framework;
+using OpenSim.Region.CoreModules.World.Estate;
+using OpenSim.Region.Framework.Scenes;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Services.Interfaces;
+using OpenSim.Tests.Common;
+using OpenSim.Tests.Common.Mock;
+
+namespace OpenSim.Region.Framework.Scenes.Tests
+{
+    /// <summary>
+    /// Scene telehub tests
+    /// </summary>
+    /// <remarks>
+    /// TODO: Tests which run through normal functionality.  Currently, the only test is one that checks behaviour
+    /// in the case of an error condition
+    /// </remarks>
+    [TestFixture]
+    public class SceneTelehubTests : OpenSimTestCase
+    {
+        /// <summary>
+        /// Test for desired behaviour when a telehub has no spawn points
+        /// </summary>
+        [Test]
+        public void TestNoTelehubSpawnPoints()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+
+            EstateManagementModule emm = new EstateManagementModule();
+
+            SceneHelpers sh = new SceneHelpers();
+            Scene scene = sh.SetupScene();
+            SceneHelpers.SetupSceneModules(scene, emm);
+
+            UUID telehubSceneObjectOwner = TestHelpers.ParseTail(0x1);
+
+            SceneObjectGroup telehubSo = SceneHelpers.AddSceneObject(scene, "telehubObject", telehubSceneObjectOwner);
+
+            emm.HandleOnEstateManageTelehub(null, UUID.Zero, UUID.Zero, "connect", telehubSo.LocalId);
+            scene.RegionInfo.EstateSettings.AllowDirectTeleport = false;
+
+            // Must still be possible to successfully log in
+            UUID loggingInUserId = TestHelpers.ParseTail(0x2);
+
+            UserAccount ua 
+                = UserAccountHelpers.CreateUserWithInventory(scene, "Test", "User", loggingInUserId, "password");
+
+            SceneHelpers.AddScenePresence(scene, ua);
+
+            Assert.That(scene.GetScenePresence(loggingInUserId), Is.Not.Null);
+        }
+
+        /// <summary>
+        /// Test for desired behaviour when the scene object nominated as a telehub object does not exist.
+        /// </summary>
+        [Test]
+        public void TestNoTelehubSceneObject()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+
+            EstateManagementModule emm = new EstateManagementModule();
+
+            SceneHelpers sh = new SceneHelpers();
+            Scene scene = sh.SetupScene();
+            SceneHelpers.SetupSceneModules(scene, emm);
+
+            UUID telehubSceneObjectOwner = TestHelpers.ParseTail(0x1);
+
+            SceneObjectGroup telehubSo = SceneHelpers.AddSceneObject(scene, "telehubObject", telehubSceneObjectOwner);
+            SceneObjectGroup spawnPointSo = SceneHelpers.AddSceneObject(scene, "spawnpointObject", telehubSceneObjectOwner);
+
+            emm.HandleOnEstateManageTelehub(null, UUID.Zero, UUID.Zero, "connect", telehubSo.LocalId);
+            emm.HandleOnEstateManageTelehub(null, UUID.Zero, UUID.Zero, "spawnpoint add", spawnPointSo.LocalId);
+            scene.RegionInfo.EstateSettings.AllowDirectTeleport = false;
+
+            scene.DeleteSceneObject(telehubSo, false);
+
+            // Must still be possible to successfully log in
+            UUID loggingInUserId = TestHelpers.ParseTail(0x2);
+
+            UserAccount ua 
+                = UserAccountHelpers.CreateUserWithInventory(scene, "Test", "User", loggingInUserId, "password");
+
+            SceneHelpers.AddScenePresence(scene, ua);
+
+            Assert.That(scene.GetScenePresence(loggingInUserId), Is.Not.Null);
+        }
+    }
+}
\ No newline at end of file
diff --git a/OpenSim/Region/Framework/Scenes/Tests/UuidGathererTests.cs b/OpenSim/Region/Framework/Scenes/Tests/UuidGathererTests.cs
index dd27294..1e59e3f 100644
--- a/OpenSim/Region/Framework/Scenes/Tests/UuidGathererTests.cs
+++ b/OpenSim/Region/Framework/Scenes/Tests/UuidGathererTests.cs
@@ -62,8 +62,8 @@ namespace OpenSim.Region.Framework.Scenes.Tests
                 = AssetHelpers.CreateAsset(corruptAssetUuid, AssetType.Notecard, "CORRUPT ASSET", UUID.Zero);
             m_assetService.Store(corruptAsset);
 
-            IDictionary<UUID, AssetType> foundAssetUuids = new Dictionary<UUID, AssetType>();
-            m_uuidGatherer.GatherAssetUuids(corruptAssetUuid, AssetType.Object, foundAssetUuids);
+            IDictionary<UUID, sbyte> foundAssetUuids = new Dictionary<UUID, sbyte>();
+            m_uuidGatherer.GatherAssetUuids(corruptAssetUuid, (sbyte)AssetType.Object, foundAssetUuids);
 
             // We count the uuid as gathered even if the asset itself is corrupt.
             Assert.That(foundAssetUuids.Count, Is.EqualTo(1));
@@ -78,9 +78,9 @@ namespace OpenSim.Region.Framework.Scenes.Tests
             TestHelpers.InMethod();
             
             UUID missingAssetUuid = UUID.Parse("00000000-0000-0000-0000-000000000666");
-            IDictionary<UUID, AssetType> foundAssetUuids = new Dictionary<UUID, AssetType>();
+            IDictionary<UUID, sbyte> foundAssetUuids = new Dictionary<UUID, sbyte>();
             
-            m_uuidGatherer.GatherAssetUuids(missingAssetUuid, AssetType.Object, foundAssetUuids);
+            m_uuidGatherer.GatherAssetUuids(missingAssetUuid, (sbyte)AssetType.Object, foundAssetUuids);
 
             // We count the uuid as gathered even if the asset itself is missing.
             Assert.That(foundAssetUuids.Count, Is.EqualTo(1));
@@ -103,8 +103,8 @@ namespace OpenSim.Region.Framework.Scenes.Tests
             AssetBase ncAsset = AssetHelpers.CreateNotecardAsset(ncAssetId, soAssetId.ToString());
             m_assetService.Store(ncAsset);
 
-            IDictionary<UUID, AssetType> foundAssetUuids = new Dictionary<UUID, AssetType>();
-            m_uuidGatherer.GatherAssetUuids(ncAssetId, AssetType.Notecard, foundAssetUuids);
+            IDictionary<UUID, sbyte> foundAssetUuids = new Dictionary<UUID, sbyte>();
+            m_uuidGatherer.GatherAssetUuids(ncAssetId, (sbyte)AssetType.Notecard, foundAssetUuids);
 
             // We count the uuid as gathered even if the asset itself is corrupt.
             Assert.That(foundAssetUuids.Count, Is.EqualTo(2));
diff --git a/OpenSim/Region/Framework/Scenes/UuidGatherer.cs b/OpenSim/Region/Framework/Scenes/UuidGatherer.cs
index d8309d8..67655d6 100644
--- a/OpenSim/Region/Framework/Scenes/UuidGatherer.cs
+++ b/OpenSim/Region/Framework/Scenes/UuidGatherer.cs
@@ -38,6 +38,7 @@ using OpenMetaverse.StructuredData;
 using OpenSim.Framework;
 using OpenSim.Region.Framework.Scenes.Serialization;
 using OpenSim.Services.Interfaces;
+using OpenSimAssetType = OpenSim.Framework.SLUtil.OpenSimAssetType;
 
 namespace OpenSim.Region.Framework.Scenes
 {
@@ -83,29 +84,33 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="assetUuid">The uuid of the asset for which to gather referenced assets</param>
         /// <param name="assetType">The type of the asset for the uuid given</param>
         /// <param name="assetUuids">The assets gathered</param>
-        public void GatherAssetUuids(UUID assetUuid, AssetType assetType, IDictionary<UUID, AssetType> assetUuids)
+        public void GatherAssetUuids(UUID assetUuid, sbyte assetType, IDictionary<UUID, sbyte> assetUuids)
         {
             try
             {               
                 assetUuids[assetUuid] = assetType;
     
-                if (AssetType.Bodypart == assetType || AssetType.Clothing == assetType)
+                if ((sbyte)AssetType.Bodypart == assetType || (sbyte)AssetType.Clothing == assetType)
                 {
                     GetWearableAssetUuids(assetUuid, assetUuids);
                 }
-                else if (AssetType.Gesture == assetType)
+                else if ((sbyte)AssetType.Gesture == assetType)
                 {
                     GetGestureAssetUuids(assetUuid, assetUuids);
                 }
-                else if (AssetType.Notecard == assetType)
+                else if ((sbyte)AssetType.Notecard == assetType)
                 {
                     GetTextEmbeddedAssetUuids(assetUuid, assetUuids);
                 }
-                else if (AssetType.LSLText == assetType)
+                else if ((sbyte)AssetType.LSLText == assetType)
                 {
                     GetTextEmbeddedAssetUuids(assetUuid, assetUuids);
                 }
-                else if (AssetType.Object == assetType)
+                else if ((sbyte)OpenSimAssetType.Material == assetType)
+                {
+                    GetMaterialAssetUuids(assetUuid, assetUuids);
+                }
+                else if ((sbyte)AssetType.Object == assetType)
                 {
                     GetSceneObjectAssetUuids(assetUuid, assetUuids);
                 }
@@ -132,7 +137,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// A dictionary which is populated with the asset UUIDs gathered and the type of that asset.
         /// For assets where the type is not clear (e.g. UUIDs extracted from LSL and notecards), the type is Unknown.
         /// </param>
-        public void GatherAssetUuids(SceneObjectGroup sceneObject, IDictionary<UUID, AssetType> assetUuids)
+        public void GatherAssetUuids(SceneObjectGroup sceneObject, IDictionary<UUID, sbyte> assetUuids)
         {
 //            m_log.DebugFormat(
 //                "[ASSET GATHERER]: Getting assets for object {0}, {1}", sceneObject.Name, sceneObject.UUID);
@@ -152,7 +157,7 @@ namespace OpenSim.Region.Framework.Scenes
                     {
                         // Get the prim's default texture.  This will be used for faces which don't have their own texture
                         if (textureEntry.DefaultTexture != null)
-                            assetUuids[textureEntry.DefaultTexture.TextureID] = AssetType.Texture;
+                            assetUuids[textureEntry.DefaultTexture.TextureID] = (sbyte)AssetType.Texture;
 
                         if (textureEntry.FaceTextures != null)
                         {
@@ -160,20 +165,20 @@ namespace OpenSim.Region.Framework.Scenes
                             foreach (Primitive.TextureEntryFace texture in textureEntry.FaceTextures)
                             {
                                 if (texture != null)
-                                    assetUuids[texture.TextureID] = AssetType.Texture;
+                                    assetUuids[texture.TextureID] = (sbyte)AssetType.Texture;
                             }
                         }
                     }
                     
                     // If the prim is a sculpt then preserve this information too
                     if (part.Shape.SculptTexture != UUID.Zero)
-                        assetUuids[part.Shape.SculptTexture] = AssetType.Texture;
+                        assetUuids[part.Shape.SculptTexture] = (sbyte)AssetType.Texture;
 
                     if (part.Shape.ProjectionTextureUUID != UUID.Zero)
-                        assetUuids[part.Shape.ProjectionTextureUUID] = AssetType.Texture;
+                        assetUuids[part.Shape.ProjectionTextureUUID] = (sbyte)AssetType.Texture;
 
                     if (part.CollisionSound != UUID.Zero)
-                        assetUuids[part.CollisionSound] = AssetType.Sound;
+                        assetUuids[part.CollisionSound] = (sbyte)AssetType.Sound;
 
                     if (part.ParticleSystem.Length > 0)
                     {
@@ -181,7 +186,7 @@ namespace OpenSim.Region.Framework.Scenes
                         {
                             Primitive.ParticleSystem ps = new Primitive.ParticleSystem(part.ParticleSystem, 0);
                             if (ps.Texture != UUID.Zero)
-                                assetUuids[ps.Texture] = AssetType.Texture;
+                                assetUuids[ps.Texture] = (sbyte)AssetType.Texture;
                         }
                         catch (Exception e)
                         {
@@ -201,7 +206,7 @@ namespace OpenSim.Region.Framework.Scenes
 //                            tii.Name, tii.Type, part.Name, part.UUID);
 
                         if (!assetUuids.ContainsKey(tii.AssetID))
-                            GatherAssetUuids(tii.AssetID, (AssetType)tii.Type, assetUuids);
+                            GatherAssetUuids(tii.AssetID, (sbyte)tii.Type, assetUuids);
                     }
 
                     // FIXME: We need to make gathering modular but we cannot yet, since gatherers are not guaranteed
@@ -210,7 +215,9 @@ namespace OpenSim.Region.Framework.Scenes
                     // Scene.EventManager is present.
 //                    part.ParentGroup.Scene.EventManager.TriggerGatherUuids(part, assetUuids);
 
-                    GatherMaterialsUuids(part, assetUuids);
+
+                    // still needed to retrieve textures used as materials for any parts containing legacy materials stored in DynAttrs
+                    GatherMaterialsUuids(part, assetUuids); 
                 }
                 catch (Exception e)
                 {
@@ -221,7 +228,7 @@ namespace OpenSim.Region.Framework.Scenes
                 }
             }
         }
-        
+
 //        /// <summary>
 //        /// The callback made when we request the asset for an object from the asset service.
 //        /// </summary>
@@ -237,10 +244,12 @@ namespace OpenSim.Region.Framework.Scenes
 
         /// <summary>
         /// Gather all of the texture asset UUIDs used to reference "Materials" such as normal and specular maps
+        /// stored in legacy format in part.DynAttrs
         /// </summary>
         /// <param name="part"></param>
         /// <param name="assetUuids"></param>
-        public void GatherMaterialsUuids(SceneObjectPart part, IDictionary<UUID, AssetType> assetUuids)
+        //public void GatherMaterialsUuids(SceneObjectPart part, IDictionary<UUID, AssetType> assetUuids)
+        public void GatherMaterialsUuids(SceneObjectPart part, IDictionary<UUID, sbyte> assetUuids)
         {
             // scan thru the dynAttrs map of this part for any textures used as materials
             OSD osdMaterials = null;
@@ -276,7 +285,7 @@ namespace OpenSim.Region.Framework.Scenes
                                         UUID normalMapId = mat["NormMap"].AsUUID();
                                         if (normalMapId != UUID.Zero)
                                         {
-                                            assetUuids[normalMapId] = AssetType.Texture;
+                                            assetUuids[normalMapId] = (sbyte)AssetType.Texture;
                                             //m_log.Info("[UUID Gatherer]: found normal map ID: " + normalMapId.ToString());
                                         }
                                     }
@@ -285,7 +294,7 @@ namespace OpenSim.Region.Framework.Scenes
                                         UUID specularMapId = mat["SpecMap"].AsUUID();
                                         if (specularMapId != UUID.Zero)
                                         {
-                                            assetUuids[specularMapId] = AssetType.Texture;
+                                            assetUuids[specularMapId] = (sbyte)AssetType.Texture;
                                             //m_log.Info("[UUID Gatherer]: found specular map ID: " + specularMapId.ToString());
                                         }
                                     }
@@ -340,7 +349,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         /// <param name="scriptUuid"></param>
         /// <param name="assetUuids">Dictionary in which to record the references</param>
-        private void GetTextEmbeddedAssetUuids(UUID embeddingAssetId, IDictionary<UUID, AssetType> assetUuids)
+        private void GetTextEmbeddedAssetUuids(UUID embeddingAssetId, IDictionary<UUID, sbyte> assetUuids)
         {
 //            m_log.DebugFormat("[ASSET GATHERER]: Getting assets for uuid references in asset {0}", embeddingAssetId);
 
@@ -360,7 +369,7 @@ namespace OpenSim.Region.Framework.Scenes
 
                     // Embedded asset references (if not false positives) could be for many types of asset, so we will
                     // label these as unknown.
-                    assetUuids[uuid] = AssetType.Unknown;
+                    assetUuids[uuid] = (sbyte)AssetType.Unknown;
                 }
             }
         }
@@ -370,7 +379,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         /// <param name="wearableAssetUuid"></param>
         /// <param name="assetUuids">Dictionary in which to record the references</param>
-        private void GetWearableAssetUuids(UUID wearableAssetUuid, IDictionary<UUID, AssetType> assetUuids)
+        private void GetWearableAssetUuids(UUID wearableAssetUuid, IDictionary<UUID, sbyte> assetUuids)
         {
             AssetBase assetBase = GetAsset(wearableAssetUuid);
 
@@ -385,7 +394,7 @@ namespace OpenSim.Region.Framework.Scenes
     
                 foreach (UUID uuid in wearableAsset.Textures.Values)
                 {
-                    assetUuids[uuid] = AssetType.Texture;
+                    assetUuids[uuid] = (sbyte)AssetType.Texture;
                 }
             }
         }
@@ -397,7 +406,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         /// <param name="sceneObject"></param>
         /// <param name="assetUuids"></param>
-        private void GetSceneObjectAssetUuids(UUID sceneObjectUuid, IDictionary<UUID, AssetType> assetUuids)
+        private void GetSceneObjectAssetUuids(UUID sceneObjectUuid, IDictionary<UUID, sbyte> assetUuids)
         {
             AssetBase objectAsset = GetAsset(sceneObjectUuid);
 
@@ -426,7 +435,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         /// <param name="gestureUuid"></param>
         /// <param name="assetUuids"></param>
-        private void GetGestureAssetUuids(UUID gestureUuid, IDictionary<UUID, AssetType> assetUuids)
+        private void GetGestureAssetUuids(UUID gestureUuid, IDictionary<UUID, sbyte> assetUuids)
         {
             AssetBase assetBase = GetAsset(gestureUuid);
             if (null == assetBase)
@@ -460,9 +469,29 @@ namespace OpenSim.Region.Framework.Scenes
                 // If it can be parsed as a UUID, it is an asset ID
                 UUID uuid;
                 if (UUID.TryParse(id, out uuid))
-                    assetUuids[uuid] = AssetType.Animation;
+                    assetUuids[uuid] = (sbyte)AssetType.Animation;
             }
         }
+
+        /// <summary>
+        /// Get the asset uuid's referenced in a material.
+        /// </summary>
+        private void GetMaterialAssetUuids(UUID materialUuid, IDictionary<UUID, sbyte> assetUuids)
+        {
+            AssetBase assetBase = GetAsset(materialUuid);
+            if (null == assetBase)
+                return;
+
+            OSDMap mat = (OSDMap)OSDParser.DeserializeLLSDXml(assetBase.Data);
+
+            UUID normMap = mat["NormMap"].AsUUID();
+            if (normMap != UUID.Zero)
+                assetUuids[normMap] = (sbyte)AssetType.Texture;
+
+            UUID specMap = mat["SpecMap"].AsUUID();
+            if (specMap != UUID.Zero)
+                assetUuids[specMap] = (sbyte)AssetType.Texture;
+        }
     }
 
     public class HGUuidGatherer : UuidGatherer