55 lines
1.9 KiB
C
55 lines
1.9 KiB
C
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/************************************************************************************
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* *
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* Copyright (C) 2020 Truong Bui. *
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* Website: https://github.com/truong-bui/AsyncLoadingScreen *
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* Licensed under the MIT License. See 'LICENSE' file for full license information. *
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* *
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************************************************************************************/
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#pragma once
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#include "Widgets/SCompoundWidget.h"
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#include "Widgets/Images/SThrobber.h"
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#include "LoadingScreenSettings.h"
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class FDeferredCleanupSlateBrush;
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struct FLoadingWidgetSettings;
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/**
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* Loading Widget base class
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*/
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class SLoadingWidget : public SCompoundWidget
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{
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public:
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// SWidgetOverrides
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virtual int32 OnPaint(const FPaintArgs& Args, const FGeometry& AllottedGeometry, const FSlateRect& MyCullingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FWidgetStyle& InWidgetStyle, bool bParentEnabled) const override;
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/** Gets the combined value of the animation properties as a single SThrobber::EAnimation value. */
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SThrobber::EAnimation GetThrobberAnimation(const FThrobberSettings& ThrobberSettings) const;
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/** Construct loading icon*/
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void ConstructLoadingIcon(const FLoadingWidgetSettings& Settings);
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protected:
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// Placeholder widgets
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TSharedRef<SWidget> LoadingIcon = SNullWidget::NullWidget;
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// Image slate brush list
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TArray<TSharedPtr<FDeferredCleanupSlateBrush>> CleanupBrushList;
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// Play image sequence in reverse
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bool bPlayReverse = false;
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// Current image sequence index
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mutable int32 ImageIndex = 0;
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// Current total delta time
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mutable float TotalDeltaTime = 0.0f;
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//Time in second to update the images, the smaller value the faster of the animation. A zero value will update the images every frame.
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float Interval = 0.05f;
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// Getter for text visibility
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EVisibility GetLoadingWidgetVisibility() const;
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};
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