Support Unity 2019 (#38)

* Replace GetLocalPosition/Rotation (Unity deprecated API) with GetNodeStates.

* Disable playmode tests for all assemblies.

Author: fast-slow-still

Assets/WorldLocking.Core/Scripts/AnchorManager.cs

@@ -187,7 +187,7 @@ public bool Update()
             // The decision between low-level access via InputTracking and high-level access via Camera.main.transform should
             // be coordinated with the decision between high-level access to WorldAnchor and low-level access to
             // Windows.Perception.Spatial.SpatialAnchor -- see comment at top of SpongyAnchor.cs
-            Pose spongyHead = new Pose(InputTracking.GetLocalPosition(XRNode.Head), InputTracking.GetLocalRotation(XRNode.Head));
+            Pose spongyHead = GetHeadPose();
 
             // place new anchors 1m below head
             Pose newSpongyAnchorPose = spongyHead;
@@ -276,6 +276,39 @@ public bool Update()
             return true;
         }
 
+        private readonly List<XRNodeState> nodeStates = new List<XRNodeState>();
+
+        private Pose headPose = Pose.identity;
+
+        public Pose GetHeadPose()
+        {
+            // Note:
+            // The low-level input obtained via InputTracking.GetLocal???(XRNode.Head) is automatically kept in sync with
+            // Camera.main.transform.local??? (unless XRDevice.DisableAutoXRCameraTracking(Camera.main, true) is used to deactivate
+            // this mechanism). In theory, both could be used interchangeably, potentially allowing to avoid the dependency
+            // on low-level code at this point. It is not clear though, whether both values follow exactly the same timing or which
+            // one is more correct to be used at this point. More research might be necessary.
+            // 
+            // The decision between low-level access via InputTracking and high-level access via Camera.main.transform should
+            // be coordinated with the decision between high-level access to WorldAnchor and low-level access to
+            // Windows.Perception.Spatial.SpatialAnchor -- see comment at top of SpongyAnchor.cs
+            nodeStates.Clear();
+            InputTracking.GetNodeStates(nodeStates);
+            for (int i = 0; i < nodeStates.Count; ++i)
+            {
+                if (nodeStates[i].nodeType == XRNode.Head)
+                {
+                    Vector3 position;
+                    Quaternion rotation;
+                    if (nodeStates[i].tracked && nodeStates[i].TryGetPosition(out position) && nodeStates[i].TryGetRotation(out rotation))
+                    {
+                        headPose = new Pose(position, rotation);
+                    }
+                }
+            }
+            return headPose;
+        }
+
         private SpongyAnchor CreateAnchor(AnchorId id)
         {
             var newAnchorObject = new GameObject(id.FormatStr());

ProjectSettings/ProjectSettings.asset

@@ -308,7 +308,7 @@ PlayerSettings:
     tvOS: 1
   m_BuildTargetGroupLightmapEncodingQuality: []
   m_BuildTargetGroupLightmapSettings: []
-  playModeTestRunnerEnabled: 1
+  playModeTestRunnerEnabled: 0
   runPlayModeTestAsEditModeTest: 0
   actionOnDotNetUnhandledException: 1
   enableInternalProfiler: 0