UCPP_SelectOrganWidget

• File: VirtualAnatomy/Public/Widgets/Quiz/Questions/CPP_SelectOrganWidget.h & VirtualAnatomy/Private/Widgets/Quiz/Questions/CPP_SelectOrganWidget.cpp
• Purpose: Displays questions that require the user to click on a specific anatomical mesh in the 3D environment.

Public Methods

void InitializeWithQuestion(const FQuizQuestion& Question)

Parameters:

• const FQuizQuestion& Question - The quiz question data to initialize the widget with.

Initializes the widget with the provided quiz question, setting the question text and subscribing to the UMeshSelector::OnMeshClicked delegate.

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FString LastClickedMeshDB_ID

Type: FString

Stores the database ID of the last clicked mesh for submission.

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FString LastClickedMeshNameKey_ForCatalogLookup

Type: FString

Stores the name key of the last clicked mesh, used for lookup in the Mesh Knowledge Base.

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AActor* SelectedOrgan

Type: AActor*

A pointer to the actor representing the last selected organ.

Protected Methods

void NativeConstruct()

Called when the widget is constructed. It binds the OnSubmitButtonClicked event and attempts to get a reference to UQuizUIManager.

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UTextBlock* QuestionText

Type: UTextBlock*

The text block widget used to display the question text.

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UButton* SubmitButton

Type: UButton*

The button widget to submit the selected organ.

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void OnMeshClicked(AActor* ClickedOwningActor)

Parameters:

• AActor* ClickedOwningActor - The owning actor of the mesh that was clicked.

Handles the event when a mesh in the 3D environment is clicked. It updates SelectedOrgan, identifies the clicked mesh's name, and retrieves its database ID using the UMeshKnowledgeBaseDataAsset.

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void OnSubmitButtonClicked()

Handles the click event for the Submit button. It performs validation on the selected organ against the expected target and then broadcasts the OnQuestionAnswered delegate.

Private Properties

FString CurrentQuestionTargetType

Type: FString

Stores the expected target type for the current question ("mesh" or "group").

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FString CurrentQuestionTargetID

Type: FString

Stores the MongoDB _id of the expected target for the current question.

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UQuizUIManager* QuizUIManagerRef

Type: UQuizUIManager*

A reference to the UQuizUIManager for accessing the Mesh Knowledge Base.