8 files changed, 235 insertions, 33 deletions

diff --git a/OpenSim/Region/Framework/Scenes/Scene.PacketHandlers.cs b/OpenSim/Region/Framework/Scenes/Scene.PacketHandlers.cs
index 87ffc74..2701d6e 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.PacketHandlers.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.PacketHandlers.cs
@@ -38,8 +38,9 @@ namespace OpenSim.Region.Framework.Scenes
 {
     public partial class Scene
     {
+
         protected void SimChat(byte[] message, ChatTypeEnum type, int channel, Vector3 fromPos, string fromName,
-                               UUID fromID, bool fromAgent, bool broadcast)
+                               UUID fromID, UUID targetID, bool fromAgent, bool broadcast)
         {
             OSChatMessage args = new OSChatMessage();
 
@@ -63,14 +64,20 @@ namespace OpenSim.Region.Framework.Scenes
             }
 
             args.From = fromName;
-            //args.
+            args.TargetUUID = targetID;
 
             if (broadcast)
                 EventManager.TriggerOnChatBroadcast(this, args);
             else
                 EventManager.TriggerOnChatFromWorld(this, args);
         }
-        
+
+        protected void SimChat(byte[] message, ChatTypeEnum type, int channel, Vector3 fromPos, string fromName,
+                               UUID fromID, bool fromAgent, bool broadcast)
+        {
+            SimChat(message, type, channel, fromPos, fromName, fromID, UUID.Zero, fromAgent, broadcast);
+        }
+
         /// <summary>
         ///
         /// </summary>
@@ -108,6 +115,19 @@ namespace OpenSim.Region.Framework.Scenes
         {
             SimChat(message, type, channel, fromPos, fromName, fromID, fromAgent, true);
         }
+        /// <summary>
+        ///
+        /// </summary>
+        /// <param name="message"></param>
+        /// <param name="type"></param>
+        /// <param name="fromPos"></param>
+        /// <param name="fromName"></param>
+        /// <param name="fromAgentID"></param>
+        /// <param name="targetID"></param>
+        public void SimChatToAgent(UUID targetID, byte[] message, Vector3 fromPos, string fromName, UUID fromID, bool fromAgent)
+        {
+            SimChat(message, ChatTypeEnum.Say, 0, fromPos, fromName, fromID, targetID, fromAgent, false);
+        }
 
         /// <summary>
         /// Invoked when the client requests a prim.
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index e488fe1..a87dfb7 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -684,8 +684,8 @@ namespace OpenSim.Region.Framework.Scenes
                 //Animation states
                 m_useFlySlow = startupConfig.GetBoolean("enableflyslow", false);
 
-                PhysicalPrims = startupConfig.GetBoolean("physical_prim", true);
-                CollidablePrims = startupConfig.GetBoolean("collidable_prim", true);
+                PhysicalPrims = startupConfig.GetBoolean("physical_prim", PhysicalPrims);
+                CollidablePrims = startupConfig.GetBoolean("collidable_prim", CollidablePrims);
 
                 m_maxNonphys = startupConfig.GetFloat("NonphysicalPrimMax", m_maxNonphys);
                 if (RegionInfo.NonphysPrimMax > 0)
@@ -800,13 +800,11 @@ namespace OpenSim.Region.Framework.Scenes
             StatsReporter.OnStatsIncorrect += m_sceneGraph.RecalculateStats;
         }
 
-        /// <summary>
-        /// Mock constructor for scene group persistency unit tests.
-        /// SceneObjectGroup RegionId property is delegated to Scene.
-        /// </summary>
-        /// <param name="regInfo"></param>
         public Scene(RegionInfo regInfo)
         {
+            PhysicalPrims = true;
+            CollidablePrims = true;
+
             BordersLocked = true;
             Border northBorder = new Border();
             northBorder.BorderLine = new Vector3(float.MinValue, float.MaxValue, (int)Constants.RegionSize);  //<---
@@ -833,8 +831,6 @@ namespace OpenSim.Region.Framework.Scenes
             m_eventManager = new EventManager();
 
             m_permissions = new ScenePermissions(this);
-
-//            m_lastUpdate = Util.EnvironmentTickCount();
         }
 
         #endregion
diff --git a/OpenSim/Region/Framework/Scenes/SceneGraph.cs b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
index 0098add..67eb0fe 100644
--- a/OpenSim/Region/Framework/Scenes/SceneGraph.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneGraph.cs
@@ -91,6 +91,9 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         protected internal Dictionary<uint, SceneObjectGroup> SceneObjectGroupsByLocalPartID = new Dictionary<uint, SceneObjectGroup>();        
 
+        /// <summary>
+        /// Lock to prevent object group update, linking and delinking operations from running concurrently.
+        /// </summary>
         private Object m_updateLock = new Object();
 
         #endregion
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
index a49ed13..49a3485 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
@@ -1962,6 +1962,10 @@ namespace OpenSim.Region.Framework.Scenes
         /// <summary>
         /// Link the prims in a given group to this group
         /// </summary>
+        /// <remarks>
+        /// Do not call this method directly - use Scene.LinkObjects() instead to avoid races between threads.
+        /// FIXME: There are places where scripts call these methods directly without locking.  This is a potential race condition.
+        /// </remarks>
         /// <param name="objectGroup">The group of prims which should be linked to this group</param>
         public void LinkToGroup(SceneObjectGroup objectGroup)
         {
@@ -2006,6 +2010,7 @@ namespace OpenSim.Region.Framework.Scenes
                 linkPart.CreateSelected = true;
 
                 linkPart.LinkNum = linkNum++;
+                linkPart.UpdatePrimFlags(UsesPhysics, IsTemporary, IsPhantom, IsVolumeDetect);
 
                 SceneObjectPart[] ogParts = objectGroup.Parts;
                 Array.Sort(ogParts, delegate(SceneObjectPart a, SceneObjectPart b)
@@ -2045,6 +2050,11 @@ namespace OpenSim.Region.Framework.Scenes
         /// Delink the given prim from this group.  The delinked prim is established as
         /// an independent SceneObjectGroup.
         /// </summary>
+        /// <remarks>
+        /// FIXME: This method should not be called directly since it bypasses update locking, allowing a potential race
+        /// condition.  But currently there is no
+        /// alternative method that does take a lonk to delink a single prim.
+        /// </remarks>
         /// <param name="partID"></param>
         /// <returns>The object group of the newly delinked prim.  Null if part could not be found</returns>
         public SceneObjectGroup DelinkFromGroup(uint partID)
@@ -2056,6 +2066,11 @@ namespace OpenSim.Region.Framework.Scenes
         /// Delink the given prim from this group.  The delinked prim is established as
         /// an independent SceneObjectGroup.
         /// </summary>
+        /// <remarks>
+        /// FIXME: This method should not be called directly since it bypasses update locking, allowing a potential race
+        /// condition.  But currently there is no
+        /// alternative method that does take a lonk to delink a single prim.
+        /// </remarks>
         /// <param name="partID"></param>
         /// <param name="sendEvents"></param>
         /// <returns>The object group of the newly delinked prim.  Null if part could not be found</returns>
@@ -2081,6 +2096,11 @@ namespace OpenSim.Region.Framework.Scenes
         /// Delink the given prim from this group.  The delinked prim is established as
         /// an independent SceneObjectGroup.
         /// </summary>
+        /// <remarks>
+        /// FIXME: This method should not be called directly since it bypasses update locking, allowing a potential race
+        /// condition.  But currently there is no
+        /// alternative method that does take a lonk to delink a single prim.
+        /// </remarks>
         /// <param name="partID"></param>
         /// <param name="sendEvents"></param>
         /// <returns>The object group of the newly delinked prim.</returns>
@@ -2201,6 +2221,8 @@ namespace OpenSim.Region.Framework.Scenes
             oldRot = part.RotationOffset;
             Quaternion newRot = Quaternion.Inverse(parentRot) * oldRot;
             part.RotationOffset = newRot;
+
+            part.UpdatePrimFlags(UsesPhysics, IsTemporary, IsPhantom, IsVolumeDetect);
         }
 
         /// <summary>
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index 046553b..4bec2d4 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -1706,6 +1706,9 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="isNew"></param>
         public void DoPhysicsPropertyUpdate(bool UsePhysics, bool isNew)
         {
+            if (ParentGroup.Scene == null)
+                return;
+
             if (!ParentGroup.Scene.PhysicalPrims && UsePhysics)
                 return;
 
@@ -4161,7 +4164,7 @@ namespace OpenSim.Region.Framework.Scenes
             // For now, we use the NINJA naming scheme for identifying joints.
             // In the future, we can support other joint specification schemes such as a 
             // custom checkbox in the viewer GUI.
-            if (ParentGroup.Scene.PhysicsScene.SupportsNINJAJoints)
+            if (ParentGroup.Scene != null && ParentGroup.Scene.PhysicsScene.SupportsNINJAJoints)
             {
                 string hingeString = "hingejoint";
                 return (Name.Length >= hingeString.Length && Name.Substring(0, hingeString.Length) == hingeString);
@@ -4177,7 +4180,7 @@ namespace OpenSim.Region.Framework.Scenes
             // For now, we use the NINJA naming scheme for identifying joints.
             // In the future, we can support other joint specification schemes such as a 
             // custom checkbox in the viewer GUI.
-            if (ParentGroup.Scene.PhysicsScene.SupportsNINJAJoints)
+            if (ParentGroup.Scene != null && ParentGroup.Scene.PhysicsScene.SupportsNINJAJoints)
             {
                 string ballString = "balljoint";
                 return (Name.Length >= ballString.Length && Name.Substring(0, ballString.Length) == ballString);
@@ -4193,7 +4196,7 @@ namespace OpenSim.Region.Framework.Scenes
             // For now, we use the NINJA naming scheme for identifying joints.
             // In the future, we can support other joint specification schemes such as a 
             // custom checkbox in the viewer GUI.
-            if (ParentGroup.Scene.PhysicsScene.SupportsNINJAJoints)
+            if (ParentGroup.Scene != null && ParentGroup.Scene.PhysicsScene.SupportsNINJAJoints)
             {
                 return IsHingeJoint() || IsBallJoint();
             }
@@ -4287,7 +4290,10 @@ namespace OpenSim.Region.Framework.Scenes
                 AddFlag(PrimFlags.Phantom);
 
                 if (PhysActor != null)
+                {
                     RemoveFromPhysics();
+                    pa = null;
+                }
             }
             else // Not phantom
             {
@@ -4353,7 +4359,7 @@ namespace OpenSim.Region.Framework.Scenes
                 {
                     pa.SetVolumeDetect(1);
                     AddFlag(PrimFlags.Phantom); // We set this flag also if VD is active
-                    this.VolumeDetectActive = true;
+                    VolumeDetectActive = true;
                 }
             }
             else
@@ -4361,9 +4367,9 @@ namespace OpenSim.Region.Framework.Scenes
                 // Remove VolumeDetect in any case. Note, it's safe to call SetVolumeDetect as often as you like
                 // (mumbles, well, at least if you have infinte CPU powers :-))
                 if (pa != null)
-                    PhysActor.SetVolumeDetect(0);
+                    pa.SetVolumeDetect(0);
 
-                this.VolumeDetectActive = false;
+                VolumeDetectActive = false;
             }
 
             if (SetTemporary)
diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index b5f789b..e8178ce 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -990,23 +990,24 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="pos"></param>
         public void Teleport(Vector3 pos)
         {
-            bool isFlying = Flying;
-            RemoveFromPhysicalScene();
-            Velocity = Vector3.Zero;
-            CheckLandingPoint(ref pos);
-            AbsolutePosition = pos;
-            AddToPhysicalScene(isFlying);
-
-            SendTerseUpdateToAllClients();
+            TeleportWithMomentum(pos, null);
         }
 
-        public void TeleportWithMomentum(Vector3 pos)
+        public void TeleportWithMomentum(Vector3 pos, Vector3? v)
         {
             bool isFlying = Flying;
+            Vector3 vel = Velocity;
             RemoveFromPhysicalScene();
             CheckLandingPoint(ref pos);
             AbsolutePosition = pos;
             AddToPhysicalScene(isFlying);
+            if (PhysicsActor != null)
+            {
+                if (v.HasValue)
+                    PhysicsActor.SetMomentum((Vector3)v);
+                else
+                    PhysicsActor.SetMomentum(vel);
+            }
 
             SendTerseUpdateToAllClients();
         }
diff --git a/OpenSim/Region/Framework/Scenes/Tests/SceneObjectStatusTests.cs b/OpenSim/Region/Framework/Scenes/Tests/SceneObjectStatusTests.cs
index 2a342d5..360566d 100644
--- a/OpenSim/Region/Framework/Scenes/Tests/SceneObjectStatusTests.cs
+++ b/OpenSim/Region/Framework/Scenes/Tests/SceneObjectStatusTests.cs
@@ -26,6 +26,7 @@
  */
 
 using System;
+using System.Collections.Generic;
 using System.Reflection;
 using NUnit.Framework;
 using OpenMetaverse;
@@ -43,24 +44,141 @@ namespace OpenSim.Region.Framework.Scenes.Tests
     [TestFixture]
     public class SceneObjectStatusTests
     {
+        private TestScene m_scene;
+        private UUID m_ownerId = TestHelpers.ParseTail(0x1);
+        private SceneObjectGroup m_so1;
+        private SceneObjectGroup m_so2;
+
+        [SetUp]
+        public void Init()
+        {
+            m_scene = SceneHelpers.SetupScene();
+            m_so1 = SceneHelpers.CreateSceneObject(1, m_ownerId, "so1", 0x10);
+            m_so2 = SceneHelpers.CreateSceneObject(1, m_ownerId, "so2", 0x20);
+        }
+
         [Test]
-        public void TestSetPhantom()
+        public void TestSetPhantomSinglePrim()
         {
             TestHelpers.InMethod();
 
-//            Scene scene = SceneSetupHelpers.SetupScene();
-            SceneObjectGroup so = SceneHelpers.CreateSceneObject(1, UUID.Zero);
-            SceneObjectPart rootPart = so.RootPart;
+            m_scene.AddSceneObject(m_so1);
+
+            SceneObjectPart rootPart = m_so1.RootPart;
             Assert.That(rootPart.Flags, Is.EqualTo(PrimFlags.None));
 
-            so.ScriptSetPhantomStatus(true);
+            m_so1.ScriptSetPhantomStatus(true);
 
 //            Console.WriteLine("so.RootPart.Flags [{0}]", so.RootPart.Flags);
             Assert.That(rootPart.Flags, Is.EqualTo(PrimFlags.Phantom));
 
-            so.ScriptSetPhantomStatus(false);
+            m_so1.ScriptSetPhantomStatus(false);
 
             Assert.That(rootPart.Flags, Is.EqualTo(PrimFlags.None));            
         }
+
+        [Test]
+        public void TestSetPhysicsSinglePrim()
+        {
+            TestHelpers.InMethod();
+
+            m_scene.AddSceneObject(m_so1);
+
+            SceneObjectPart rootPart = m_so1.RootPart;
+            Assert.That(rootPart.Flags, Is.EqualTo(PrimFlags.None));
+
+            m_so1.ScriptSetPhysicsStatus(true);
+
+//            Console.WriteLine("so.RootPart.Flags [{0}]", so.RootPart.Flags);
+            Assert.That(rootPart.Flags, Is.EqualTo(PrimFlags.Physics));
+
+            m_so1.ScriptSetPhysicsStatus(false);
+
+            Assert.That(rootPart.Flags, Is.EqualTo(PrimFlags.None));
+        }
+        
+        [Test]
+        public void TestSetPhysicsLinkset()
+        {
+            TestHelpers.InMethod();
+
+            m_scene.AddSceneObject(m_so1);
+            m_scene.AddSceneObject(m_so2);
+
+            m_scene.LinkObjects(m_ownerId, m_so1.LocalId, new List<uint>() { m_so2.LocalId });
+
+            m_so1.ScriptSetPhysicsStatus(true);
+
+            Assert.That(m_so1.RootPart.Flags, Is.EqualTo(PrimFlags.Physics));
+            Assert.That(m_so1.Parts[1].Flags, Is.EqualTo(PrimFlags.Physics));
+
+            m_so1.ScriptSetPhysicsStatus(false);
+
+            Assert.That(m_so1.RootPart.Flags, Is.EqualTo(PrimFlags.None));
+            Assert.That(m_so1.Parts[1].Flags, Is.EqualTo(PrimFlags.None));
+
+            m_so1.ScriptSetPhysicsStatus(true);
+
+            Assert.That(m_so1.RootPart.Flags, Is.EqualTo(PrimFlags.Physics));
+            Assert.That(m_so1.Parts[1].Flags, Is.EqualTo(PrimFlags.Physics));
+        }
+
+        /// <summary>
+        /// Test that linking results in the correct physical status for all linkees.
+        /// </summary>
+        [Test]
+        public void TestLinkPhysicsBothPhysical()
+        {
+            TestHelpers.InMethod();
+
+            m_scene.AddSceneObject(m_so1);
+            m_scene.AddSceneObject(m_so2);
+
+            m_so1.ScriptSetPhysicsStatus(true);
+            m_so2.ScriptSetPhysicsStatus(true);
+
+            m_scene.LinkObjects(m_ownerId, m_so1.LocalId, new List<uint>() { m_so2.LocalId });
+
+            Assert.That(m_so1.RootPart.Flags, Is.EqualTo(PrimFlags.Physics));
+            Assert.That(m_so1.Parts[1].Flags, Is.EqualTo(PrimFlags.Physics));
+        }
+
+        /// <summary>
+        /// Test that linking results in the correct physical status for all linkees.
+        /// </summary>
+        [Test]
+        public void TestLinkPhysicsRootPhysicalOnly()
+        {
+            TestHelpers.InMethod();
+
+            m_scene.AddSceneObject(m_so1);
+            m_scene.AddSceneObject(m_so2);
+
+            m_so1.ScriptSetPhysicsStatus(true);
+
+            m_scene.LinkObjects(m_ownerId, m_so1.LocalId, new List<uint>() { m_so2.LocalId });
+
+            Assert.That(m_so1.RootPart.Flags, Is.EqualTo(PrimFlags.Physics));
+            Assert.That(m_so1.Parts[1].Flags, Is.EqualTo(PrimFlags.Physics));
+        }
+
+        /// <summary>
+        /// Test that linking results in the correct physical status for all linkees.
+        /// </summary>
+        [Test]
+        public void TestLinkPhysicsChildPhysicalOnly()
+        {
+            TestHelpers.InMethod();
+
+            m_scene.AddSceneObject(m_so1);
+            m_scene.AddSceneObject(m_so2);
+
+            m_so2.ScriptSetPhysicsStatus(true);
+
+            m_scene.LinkObjects(m_ownerId, m_so1.LocalId, new List<uint>() { m_so2.LocalId });
+
+            Assert.That(m_so1.RootPart.Flags, Is.EqualTo(PrimFlags.None));
+            Assert.That(m_so1.Parts[1].Flags, Is.EqualTo(PrimFlags.None));
+        }
     }
 }
\ No newline at end of file
diff --git a/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceTeleportTests.cs b/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceTeleportTests.cs
index bebc10c..eb7bfbd 100644
--- a/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceTeleportTests.cs
+++ b/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceTeleportTests.cs
@@ -33,6 +33,7 @@ using OpenMetaverse;
 using OpenSim.Framework;
 using OpenSim.Framework.Communications;
 using OpenSim.Framework.Servers;
+using OpenSim.Region.CoreModules.Framework.EntityTransfer;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation;
 using OpenSim.Tests.Common;
@@ -47,6 +48,41 @@ namespace OpenSim.Region.Framework.Scenes.Tests
     [TestFixture]
     public class ScenePresenceTeleportTests
     {
+        [Test]
+        public void TestSameRegionTeleport()
+        {
+            TestHelpers.InMethod();
+//            log4net.Config.XmlConfigurator.Configure();
+
+            EntityTransferModule etm = new EntityTransferModule();
+
+            IConfigSource config = new IniConfigSource();
+            config.AddConfig("Modules");
+            // Not strictly necessary since FriendsModule assumes it is the default (!)
+            config.Configs["Modules"].Set("EntityTransferModule", etm.Name);
+
+            TestScene scene = SceneHelpers.SetupScene("sceneA", TestHelpers.ParseTail(0x100), 1000, 1000);
+            SceneHelpers.SetupSceneModules(scene, config, etm);
+
+            Vector3 teleportPosition = new Vector3(10, 11, 12);
+            Vector3 teleportLookAt = new Vector3(20, 21, 22);
+
+            ScenePresence sp = SceneHelpers.AddScenePresence(scene, TestHelpers.ParseTail(0x1));
+            sp.AbsolutePosition = new Vector3(30, 31, 32);
+            scene.RequestTeleportLocation(
+                sp.ControllingClient,
+                scene.RegionInfo.RegionHandle,
+                teleportPosition,
+                teleportLookAt,
+                (uint)TeleportFlags.ViaLocation);
+
+            Assert.That(sp.AbsolutePosition, Is.EqualTo(teleportPosition));
+
+            // Lookat is sent to the client only - sp.Lookat does not yield the same thing (calculation from camera
+            // position instead).
+//            Assert.That(sp.Lookat, Is.EqualTo(teleportLookAt));
+        }
+
         /// <summary>
         /// Test a teleport between two regions that are not neighbours and do not share any neighbours in common.
         /// </summary>