FIX: Fixed an issue where ReadUnprocessedValueFromState in PoseControl always returning default values.

Author: Tanya-Li-Unity

Packages/com.unity.inputsystem/CHANGELOG.md

@@ -18,6 +18,7 @@ however, it has to be formatted properly to pass verification tests.
 - Fixed issue when using MultiplayerEventSystems where the visual state of UI controls would change due to constant toggling of CanvasGroup.interactable on and off ([case ISXB-112](https://issuetracker.unity3d.com/product/unity/issues/guid/ISXB-112)).
 - Fixed an issue where the Input Action asset icon would not be visible during asset creation ([case ISXB-6](https://issuetracker.unity3d.com/product/unity/issues/guid/ISXB-6)).
 - Fixed DualSense low frequency motor speed being always set to min value.
+- Fixed an issue where `ReadUnprocessedValueFromState` in PoseControl always returning default values.
 
 ## [1.4.1] - 2022-05-30
 

Packages/com.unity.inputsystem/InputSystem/Plugins/XR/Controls/PoseControl.cs

@@ -209,15 +209,26 @@ protected override void FinishSetup()
         /// <inheritdoc />
         public override unsafe PoseState ReadUnprocessedValueFromState(void* statePtr)
         {
-            var valuePtr = (PoseState*)((byte*)statePtr + (int)m_StateBlock.byteOffset);
-            return *valuePtr;
+            return new PoseState()
+            {
+                isTracked = isTracked.ReadUnprocessedValueFromState(statePtr) > 0.5f,
+                trackingState = (TrackingState)trackingState.ReadUnprocessedValueFromState(statePtr),
+                position = position.ReadUnprocessedValueFromState(statePtr),
+                rotation = rotation.ReadUnprocessedValueFromState(statePtr),
+                velocity = velocity.ReadUnprocessedValueFromState(statePtr),
+                angularVelocity = angularVelocity.ReadUnprocessedValueFromState(statePtr),
+            };
         }
 
         /// <inheritdoc />
         public override unsafe void WriteValueIntoState(PoseState value, void* statePtr)
         {
-            var valuePtr = (PoseState*)((byte*)statePtr + (int)m_StateBlock.byteOffset);
-            UnsafeUtility.MemCpy(valuePtr, UnsafeUtility.AddressOf(ref value), UnsafeUtility.SizeOf<PoseState>());
+            isTracked.WriteValueIntoState(value.isTracked, statePtr);
+            trackingState.WriteValueIntoState((uint)value.trackingState, statePtr);
+            position.WriteValueIntoState(value.position, statePtr);
+            rotation.WriteValueIntoState(value.rotation, statePtr);
+            velocity.WriteValueIntoState(value.velocity, statePtr);
+            angularVelocity.WriteValueIntoState(value.angularVelocity, statePtr);
         }
     }
 }