初始提交: UE5.3项目基础框架

Plugins/CesiumForUnreal/Source/CesiumRuntime/Private/ScreenCreditsWidget.h

@@ -0,0 +1,77 @@
+// Copyright 2020-2024 CesiumGS, Inc. and Contributors
+
+#pragma once
+
+#include "Blueprint/UserWidget.h"
+#include "Components/RichTextBlockDecorator.h"
+#include "CoreMinimal.h"
+#include "Interfaces/IHttpRequest.h"
+#include <memory>
+#include <string>
+#include "ScreenCreditsWidget.generated.h"
+
+DECLARE_DELEGATE(FOnPopupClicked)
+
+UCLASS()
+class UScreenCreditsWidget : public UUserWidget {
+  GENERATED_BODY()
+public:
+  /**
+   * Attempts to load an image from the given URL and returns the name of the
+   * image to be referenced in RTF.
+   */
+  std::string LoadImage(const std::string& url);
+
+  void SetCredits(const FString& InCredits, const FString& InOnScreenCredits);
+
+private:
+  UScreenCreditsWidget(const FObjectInitializer& ObjectInitializer);
+  ~UScreenCreditsWidget();
+  virtual void NativeConstruct() override;
+
+  void OnPopupClicked();
+
+  void HandleImageRequest(
+      FHttpRequestPtr HttpRequest,
+      FHttpResponsePtr HttpResponse,
+      bool bSucceeded,
+      int32 id);
+
+  UPROPERTY(meta = (BindWidget))
+  class URichTextBlock* RichTextOnScreen;
+
+  UPROPERTY(meta = (BindWidget))
+  class URichTextBlock* RichTextPopup;
+
+  UPROPERTY(meta = (BindWidget))
+  class UBackgroundBlur* BackgroundBlur;
+
+  UPROPERTY()
+  TArray<UTexture2D*> _textures;
+
+  FString _credits = "";
+  FString _onScreenCredits = "";
+  bool _showPopup = false;
+  class UCreditsDecorator* _decoratorOnScreen;
+  class UCreditsDecorator* _decoratorPopup;
+  int32 _numImagesLoading;
+  FSlateFontInfo _font;
+  TArray<FSlateBrush*> _creditImages;
+  friend class UCreditsDecorator;
+};
+
+UCLASS()
+class UCreditsDecorator : public URichTextBlockDecorator {
+  GENERATED_BODY()
+
+public:
+  UCreditsDecorator(const FObjectInitializer& ObjectInitializer);
+
+  virtual TSharedPtr<ITextDecorator>
+  CreateDecorator(URichTextBlock* InOwner) override;
+
+  virtual const FSlateBrush* FindImageBrush(int32 id);
+
+  UScreenCreditsWidget* CreditsWidget;
+  FOnPopupClicked PopupClicked;
+};