Renamed WebXR HMD to WebXR Tracked Display and fixed its mapping

Author: De-Panther

Packages/webxr-interactions/CHANGELOG.md

@@ -16,6 +16,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 - SceneHitTest now updates the pose of the originTransform instead of WebXRManager transform.
+- Mapping of WebXR Tracked Display device.
 
 ## [0.20.0] - 2023-12-18
 ### Added

Packages/webxr-interactions/Runtime/InputSystem/WebXRInputDevices.cs

@@ -11,6 +11,25 @@
 namespace WebXR.InputSystem
 {
   using InputSystem = UnityEngine.InputSystem.InputSystem;
+
+#if UNITY_EDITOR
+  [UnityEditor.InitializeOnLoad]
+#endif
+  [Preserve, InputControlLayout(displayName = "WebXR Tracked Display")]
+  internal class WebXRTrackedDisplay : XRHMD
+  {
+    static WebXRTrackedDisplay()
+    {
+      InputSystem.RegisterLayout<WebXRTrackedDisplay>(
+        matches: new InputDeviceMatcher()
+        .WithInterface(XRUtilities.InterfaceMatchAnyVersion)
+        .WithProduct("WebXR Tracked Display"));
+    }
+
+    [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.BeforeSceneLoad)]
+    private static void InitializeInPlayer() { }
+  }
+
   [Preserve]
   public struct WebXRControllerState : IInputStateTypeInfo
   {
@@ -158,7 +177,10 @@ public class WebXRController : XRControllerWithRumble
 
     static WebXRController()
     {
-      InputSystem.RegisterLayout<WebXRController>();
+      InputSystem.RegisterLayout<WebXRController>(
+        matches: new InputDeviceMatcher()
+        .WithInterface(XRUtilities.InterfaceMatchAnyVersion)
+        .WithProduct("WebXR Controller"));
     }
 
     [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.BeforeSceneLoad)]

Packages/webxr-interactions/Runtime/InputSystem/WebXRInputSystem.cs

@@ -4,6 +4,7 @@
 using UnityEngine.InputSystem;
 using UnityEngine.InputSystem.Layouts;
 using UnityEngine.InputSystem.LowLevel;
+
 #if XR_HANDS_1_1_OR_NEWER
 using System.Collections;
 using System.Collections.Generic;
@@ -69,9 +70,7 @@ private void Awake()
         return;
       }
       initialized = true;
-      InputSystem.RegisterLayout<WebXRController>(
-        matches: new InputDeviceMatcher()
-        .WithInterface("WebXRController"));
+
 #if XR_HANDS_1_1_OR_NEWER
       var descriptors = new List<XRHandSubsystemDescriptor>();
       SubsystemManager.GetSubsystemDescriptors(descriptors);
@@ -346,18 +345,12 @@ private static IEnumerator RemoveDeviceAfterFrame(UnityEngine.InputSystem.InputD
 
     private static WebXRController GetWebXRController(int hand)
     {
-      string product = "WebXRController Left";
-      string usage = "LeftHand";
-      if (hand == 2)
-      {
-        product = "WebXRController Right";
-        usage = "RightHand";
-      }
+      string usage = hand == 2 ? "RightHand" : "LeftHand";
       var device = InputSystem.AddDevice(
         new InputDeviceDescription
         {
-          interfaceName = "WebXRController",
-          product = product
+          interfaceName = "XRInput",
+          product = "WebXR Controller"
         });
       InputSystem.AddDeviceUsage(device, usage);
       return (WebXRController)device;

Packages/webxr/CHANGELOG.md

@@ -11,9 +11,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 - XR Hand pinch is now detected manually instead of relying on system select event, to support Apple Vision Pro.
+- Renamed WebXR HMD to WebXR Tracked Display.
 
 ### Fixed
 - Errors of Module._malloc and Module._free are not functions.
+- Mapping of WebXR Tracked Display device.
 
 ## [0.21.0] - 2024-01-17
 ### Added

Packages/webxr/Runtime/Plugins/WebGL/WebXRTrackingProvider.cpp

@@ -55,12 +55,17 @@ UnitySubsystemErrorCode WebXRTrackingProvider::FillDeviceDefinition(UnityXRInter
 {
   // Fill in your connected device information here when requested.  Used to create customized device states.
   auto &input = *m_Ctx.input;
-  input.DeviceDefinition_SetName(definition, "WebXRHMD");
+  input.DeviceDefinition_SetName(definition, "WebXR Tracked Display");
   input.DeviceDefinition_SetCharacteristics(definition, (UnityXRInputDeviceCharacteristics)(kUnityXRInputDeviceCharacteristicsHeadMounted | kUnityXRInputDeviceCharacteristicsTrackedDevice));
   input.DeviceDefinition_SetManufacturer(definition, "WebXR");
 
-  input.DeviceDefinition_AddFeatureWithUsage(definition, "head position", kUnityXRInputFeatureTypeAxis3D, kUnityXRInputFeatureUsageCenterEyePosition);
-  input.DeviceDefinition_AddFeatureWithUsage(definition, "head rotation", kUnityXRInputFeatureTypeRotation, kUnityXRInputFeatureUsageCenterEyeRotation);
+  input.DeviceDefinition_AddFeatureWithUsage(definition, "is tracked", kUnityXRInputFeatureTypeBinary, kUnityXRInputFeatureUsageIsTracked);
+  input.DeviceDefinition_AddFeatureWithUsage(definition, "tracking state", kUnityXRInputFeatureTypeDiscreteStates, kUnityXRInputFeatureUsageTrackingState);
+
+  input.DeviceDefinition_AddFeatureWithUsage(definition, "device position", kUnityXRInputFeatureTypeAxis3D, kUnityXRInputFeatureUsageDevicePosition);
+  input.DeviceDefinition_AddFeatureWithUsage(definition, "device rotation", kUnityXRInputFeatureTypeRotation, kUnityXRInputFeatureUsageDeviceRotation);
+  input.DeviceDefinition_AddFeatureWithUsage(definition, "center eye position", kUnityXRInputFeatureTypeAxis3D, kUnityXRInputFeatureUsageCenterEyePosition);
+  input.DeviceDefinition_AddFeatureWithUsage(definition, "center eye rotation", kUnityXRInputFeatureTypeRotation, kUnityXRInputFeatureUsageCenterEyeRotation);
   if (hasMultipleViews)
   {
     input.DeviceDefinition_AddFeatureWithUsage(definition, "left eye position", kUnityXRInputFeatureTypeAxis3D, kUnityXRInputFeatureUsageLeftEyePosition);
@@ -96,25 +101,32 @@ UnitySubsystemErrorCode WebXRTrackingProvider::UpdateDeviceState(UnityXRInternal
   if (hasMultipleViews)
   {
     // Left pose
-    input.DeviceState_SetAxis3DValue(state, 2, position);
-    input.DeviceState_SetRotationValue(state, 3, rotation);
+    input.DeviceState_SetAxis3DValue(state, 6, position);
+    input.DeviceState_SetRotationValue(state, 7, rotation);
 
     UnityXRVector3 rightPosition;
     rightPosition.x = *(m_ViewsDataArray + start + 3);
     rightPosition.y = *(m_ViewsDataArray + start + 4);
     rightPosition.z = *(m_ViewsDataArray + start + 5);
     // Right pose
-    input.DeviceState_SetAxis3DValue(state, 4, position);
-    input.DeviceState_SetRotationValue(state, 5, rotation);
+    input.DeviceState_SetAxis3DValue(state, 8, position);
+    input.DeviceState_SetRotationValue(state, 9, rotation);
 
     // Update center pose
     position.x = 0.5f * (position.x + rightPosition.x);
     position.y = 0.5f * (position.y + rightPosition.y);
     position.z = 0.5f * (position.z + rightPosition.z);
   }
   // Center pose
-  input.DeviceState_SetAxis3DValue(state, 0, position);
-  input.DeviceState_SetRotationValue(state, 1, rotation);
+  input.DeviceState_SetAxis3DValue(state, 2, position);
+  input.DeviceState_SetRotationValue(state, 3, rotation);
+  // Device pose
+  input.DeviceState_SetAxis3DValue(state, 4, position);
+  input.DeviceState_SetRotationValue(state, 5, rotation);
+
+  // Tracking
+  input.DeviceState_SetBinaryValue(state, 0, true);
+  input.DeviceState_SetDiscreteStateValue(state, 1, 3);
 
   return kUnitySubsystemErrorCodeSuccess;
 }
@@ -217,5 +229,5 @@ UnitySubsystemErrorCode Load_Input(WebXRProviderContext &ctx)
     delete ctx.trackingProvider;
   };
 
-  return ctx.input->RegisterLifecycleProvider("WebXR Export", "WebXR HMD", &inputLifecycleHandler);
+  return ctx.input->RegisterLifecycleProvider("WebXR Export", "WebXR Tracked Display", &inputLifecycleHandler);
 }

Packages/webxr/Runtime/UnitySubsystemsManifest.json

@@ -11,7 +11,7 @@
 	],
 	"inputs": [
 		{
-			"id": "WebXR HMD"
+			"id": "WebXR Tracked Display"
 		}
 	]
 }

Packages/webxr/Runtime/XRPlugin/WebXRLoader.cs

@@ -47,7 +47,7 @@ public override bool Initialize()
     public void StartEssentialSubsystems()
     {
       CreateSubsystem<XRDisplaySubsystemDescriptor, XRDisplaySubsystem>(displaySubsystemDescriptors, "WebXR Display");
-      CreateSubsystem<XRInputSubsystemDescriptor, XRInputSubsystem>(inputSubsystemDescriptors, "WebXR HMD");
+      CreateSubsystem<XRInputSubsystemDescriptor, XRInputSubsystem>(inputSubsystemDescriptors, "WebXR Tracked Display");
       XRDisplaySubsystem.Start();
       XRInputSubsystem.Start();
       // TODO: Enable Single-Pass rendering