SlateGameResources.h

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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/GCObject.h"
#include "Styling/StyleDefaults.h"
#include "Styling/ISlateStyle.h"
#include "Styling/SlateStyle.h"
 
struct FAssetData;
class UCurveFloat;
class UCurveLinearColor;
class UCurveVector;
struct FSlateWidgetStyle;
 
class FSlateGameResources : public FSlateStyleSet, public FGCObject
{
public: 
 
    static ENGINE_API TSharedRef<FSlateGameResources> New( const FName& InStyleSetName, const FString& ScopeToDirectory, const FString& InBasePath = FString() );
 
    ENGINE_API FSlateGameResources( const FName& InStyleSetName );
 
    ENGINE_API virtual ~FSlateGameResources();
 
    ENGINE_API void Initialize( const FString& ScopeToDirectory, const FString& InBasePath );
 
    ENGINE_API virtual void GetResources( TArray< const FSlateBrush* >& OutResources ) const override;
 
    ENGINE_API virtual void SetContentRoot( const FString& InContentRootDir ) override;
 
    ENGINE_API virtual const FSlateBrush* GetBrush( const FName PropertyName, const ANSICHAR* Specifier = NULL, const ISlateStyle* RequestingStyle = nullptr ) const override;
    ENGINE_API virtual const FSlateBrush* GetOptionalBrush(const FName PropertyName, const ANSICHAR* Specifier = NULL, const FSlateBrush* const DefaultBrush = FStyleDefaults::GetNoBrush()) const override;
 
    ENGINE_API UCurveFloat* GetCurveFloat( const FName AssetName ) const;
    ENGINE_API UCurveVector* GetCurveVector( const FName AssetName ) const;
    ENGINE_API UCurveLinearColor* GetCurveLinearColor( const FName AssetName ) const;
 
protected:
 
    ENGINE_API virtual const FSlateWidgetStyle* GetWidgetStyleInternal( const FName DesiredTypeName, const FName StyleName, const FSlateWidgetStyle* DefaultStyle, bool bWarnIfNotFound) const override;
 
    ENGINE_API virtual void Log( ISlateStyle::EStyleMessageSeverity Severity, const FText& Message ) const override;
 
    ENGINE_API virtual void Log( const TSharedRef< class FTokenizedMessage >& Message ) const;
 
    ENGINE_API void AddAsset(const FAssetData& InAddedAssetData);
 
    ENGINE_API void RemoveAsset(const FAssetData& InRemovedAssetData);
 
    ENGINE_API bool ShouldCache( const FAssetData& InAssetData );
 
    ENGINE_API void AddAssetToCache( UObject* InStyleObject, bool bEnsureUniqueness );
 
    ENGINE_API void RemoveAssetFromCache( const FAssetData& AssetData );
 
    ENGINE_API FName GenerateMapName( const FAssetData& AssetData );
 
    ENGINE_API FName GenerateMapName( UObject* StyleObject );
 
    ENGINE_API FName GetCleanName(const FName& AssetName) const;
 
    ENGINE_API virtual void AddReferencedObjects( FReferenceCollector& Collector ) override;
    ENGINE_API virtual FString GetReferencerName() const override;
 
private:
 
    TMap< FName, TObjectPtr<UObject> > UIResources;
    FString BasePath;
    bool HasBeenInitialized;
};