fix the motion source options crashes

Source/SenseGlove/Private/SenseGlove/Components/SGWristTrackerComponent.cpp

@@ -84,6 +84,7 @@ struct USGWristTrackerComponent::FImpl
     bool UninitializeBackend() const;
     bool CheckGlove() const;
 
+    void UpdateMotionSource() const;
     void UpdateWristTrackingData() const;
     void DrawDebugGizmo();
 };
@@ -125,12 +126,18 @@ USGWristTrackerComponent::USGWristTrackerComponent(const FObjectInitializer& Obj
             )
         );
 
+    bRight = true;
+
     bBackendInitialized = false;
     Glove = nullptr;
     WristLocation = FVector::ZeroVector;
     WristRotation = FRotator::ZeroRotator;
+}
 
-    SetRight(true);
+void USGWristTrackerComponent::SetRight(const bool bInRight)
+{
+    bRight = bInRight;
+    Pimpl->UpdateMotionSource();
 }
 
 const FSGWristTrackingSettings& USGWristTrackerComponent::GetWristTrackingSettings() const
@@ -158,13 +165,6 @@ void USGWristTrackerComponent::SetWristTrackingSettings(const FSGWristTrackingSe
     WristTrackingSettings = InWristTrackingSettings;
 }
 
-void USGWristTrackerComponent::SetRight(const bool bRight)
-{
-    SetTrackingSource(bRight
-        ? GetWristTrackingSettings().LeftHandMotionSource
-        : GetWristTrackingSettings().RightHandMotionSource);
-}
-
 #if WITH_EDITOR
 void USGWristTrackerComponent::PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent)
 {
@@ -188,6 +188,8 @@ void USGWristTrackerComponent::InitializeComponent()
     {
         (void) Pimpl->CheckGlove();
     }
+
+    Pimpl->UpdateMotionSource();
 }
 
 void USGWristTrackerComponent::UninitializeComponent()
@@ -205,6 +207,8 @@ void USGWristTrackerComponent::BeginPlay()
     {
         (void) Pimpl->CheckGlove();
     }
+
+    Pimpl->UpdateMotionSource();
 }
 
 void USGWristTrackerComponent::EndPlay(const EEndPlayReason::Type EndPlayReason)
@@ -378,6 +382,16 @@ bool USGWristTrackerComponent::FImpl::CheckGlove() const
     return bFoundGlove;
 }
 
+void USGWristTrackerComponent::FImpl::UpdateMotionSource() const
+{
+    if (GEngine)
+    {
+        Owner->SetTrackingSource(Owner->IsRight()
+            ? Owner->GetWristTrackingSettings().LeftHandMotionSource
+            : Owner->GetWristTrackingSettings().RightHandMotionSource);
+    }
+}
+
 void USGWristTrackerComponent::FImpl::UpdateWristTrackingData() const
 {
     ensureAlwaysMsgf(Owner->Glove, TEXT("Invalid Glove!"));

Source/SenseGlove/Public/SenseGlove/Components/SGWristTrackerComponent.h

@@ -94,17 +94,20 @@ private:
     FImplDeleter PimplDeleter;
 
 private:
+    UPROPERTY(EditAnywhere, Category="SenseGlove", meta=(AllowPrivateAccess="false"))
+    uint8 bRight : 1;
+
     /**
      * Determines whether to override the plugin's wrist tracking settings or not.
      */
-    UPROPERTY(Config, EditAnywhere, Category = "SenseGlove")
+    UPROPERTY(EditAnywhere, Category = "SenseGlove", meta=(AllowPrivateAccess="false"))
     uint8 bOverridePluginWristTrackingSettings : 1;
 
     /**
      * Overrides the plugin's wrist tracking settings.
      */
-    UPROPERTY(Config, EditAnywhere, Category = "SenseGlove",
-        meta=(EditCondition="bOverridePluginWristTrackingSettings", EditConditionHides))
+    UPROPERTY(EditAnywhere, Category = "SenseGlove",
+        meta=(AllowPrivateAccess="false", EditCondition="bOverridePluginWristTrackingSettings", EditConditionHides))
     FSGWristTrackingSettings WristTrackingSettings;
 
 private:
@@ -121,6 +124,18 @@ private:
     FRotator WristRotation;
 
 public:
+    FORCEINLINE bool IsLeft() const
+    {
+        return !IsRight();
+    }
+
+    FORCEINLINE bool IsRight() const
+    {
+        return !!bRight;
+    }
+
+    void SetRight(const bool bInRight);
+
     FORCEINLINE bool OverridesPluginWristTrackingSettings() const
     {
         return !!bOverridePluginWristTrackingSettings;
@@ -134,18 +149,6 @@ public:
     const FSGWristTrackingSettings& GetWristTrackingSettings() const;
     void SetWristTrackingSettings(const FSGWristTrackingSettings& InWristTrackingSettings);
 
-    FORCEINLINE bool IsLeft() const
-    {
-        return GetTrackingSource() == GetWristTrackingSettings().LeftHandMotionSource;
-    }
-
-    FORCEINLINE bool IsRight() const
-    {
-        return GetTrackingSource() == GetWristTrackingSettings().RightHandMotionSource;
-    }
-
-    void SetRight(const bool bRight);
-
     FORCEINLINE const FVector& GetWristLocation() const
     {
         return WristLocation;