3 files changed, 129 insertions, 9 deletions

diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
index cb0a57a..2882463 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
@@ -2673,6 +2673,7 @@ namespace OpenSim.Region.Framework.Scenes
                 }
 
                 linkPart.LinkNum = linkNum++;
+                linkPart.UpdatePrimFlags(UsesPhysics, IsTemporary, IsPhantom, IsVolumeDetect);
 
                 SceneObjectPart[] ogParts = objectGroup.Parts;
                 Array.Sort(ogParts, delegate(SceneObjectPart a, SceneObjectPart b)
@@ -2908,6 +2909,8 @@ namespace OpenSim.Region.Framework.Scenes
             oldRot = part.RotationOffset;
             Quaternion newRot = Quaternion.Inverse(parentRot) * worldRot;
             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 c73fc98..cd22def 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -2074,6 +2074,9 @@ 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;
 
@@ -4531,7 +4534,7 @@ 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);
@@ -4547,7 +4550,7 @@ 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);
@@ -4563,7 +4566,7 @@ 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();
             }
diff --git a/OpenSim/Region/Framework/Scenes/Tests/SceneObjectStatusTests.cs b/OpenSim/Region/Framework/Scenes/Tests/SceneObjectStatusTests.cs
index 2a342d5..882031c 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 +44,137 @@ 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;
+            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();
+
+            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));
+        }
     }
 }
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