Make ovr tracked hand render model placed under RnederModelHook

Author: lawwong

Assets/HTC.UnityPlugin/VRModule/Modules/OculusVRModule.cs

@@ -143,7 +143,12 @@ public override void UpdateRenderModel()
                     if (m_handModel == null)
                     {
                         var handObj = new GameObject(typeof(OculusHandRenderModel).Name);
-                        handObj.transform.SetParent(hook.transform.parent.parent, false);
+                        handObj.transform.SetParent(hook.transform, false);
+                        handObj.transform.localRotation *=
+                            Quaternion.Inverse(
+                                isLeftHand ?
+                                Quaternion.LookRotation(Vector3.right, Vector3.down) :
+                                Quaternion.LookRotation(Vector3.left, Vector3.up));
                         m_handModel = handObj.AddComponent<OculusHandRenderModel>();
                         m_handModel.Initialize(isLeftHand);
                     }

Assets/HTC.UnityPlugin/ViveInputUtility/Scripts/Misc/OculusVRExtension/OculusHandRenderModel.cs

@@ -32,7 +32,7 @@ public void Initialize(bool isLeftHand)
                 updateRootScaleField.SetValue(m_ovrSkeleton, true);
 
                 FieldInfo updateRootPoseField = m_ovrSkeleton.GetType().GetField("_updateRootPose", BindingFlags.NonPublic | BindingFlags.Instance);
-                updateRootPoseField.SetValue(m_ovrSkeleton, true);
+                updateRootPoseField.SetValue(m_ovrSkeleton, false);
 
                 MethodInfo skeletonInitializeMethod = m_ovrSkeleton.GetType().GetMethod("Initialize", BindingFlags.NonPublic | BindingFlags.Instance);
                 skeletonInitializeMethod.Invoke(m_ovrSkeleton, new object[] { });