LandscapeStreamingProxy.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "LandscapeProxy.h"
 
#include "LandscapeStreamingProxy.generated.h"
 
class ALandscape;
 
#if WITH_EDITOR
class UMaterialInterface;
struct FActorPartitionIdentifier;
#endif
 
UCLASS(MinimalAPI, notplaceable)
class ALandscapeStreamingProxy : public ALandscapeProxy
{
    GENERATED_BODY()
 
public:
    ALandscapeStreamingProxy(const FObjectInitializer& ObjectInitializer);
 
#if WITH_EDITORONLY_DATA
    UPROPERTY()
    TLazyObjectPtr<ALandscape> LandscapeActor_DEPRECATED;
#endif // WITH_EDITORONLY_DATA
 
private:
    UPROPERTY(EditAnywhere, Category = LandscapeProxy, Meta = (DisplayName = "Landscape Actor"))
    TSoftObjectPtr<ALandscape> LandscapeActorRef;
 
    UPROPERTY()
    TSet<FName> OverriddenSharedProperties;
 
public:
    //~ Begin UObject Interface
#if WITH_EDITOR
    virtual bool ShouldExport() override { return false;  }
    virtual void PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent) override;
    virtual bool CanEditChange(const FProperty* InProperty) const override;
    virtual void PostRegisterAllComponents() override;
    virtual AActor* GetSceneOutlinerParent() const override;
    virtual bool CanDeleteSelectedActor(FText& OutReason) const override;
    virtual bool GetReferencedContentObjects(TArray<UObject*>& Objects) const override;
    virtual bool CanChangeIsSpatiallyLoadedFlag() const override { return AActor::CanChangeIsSpatiallyLoadedFlag(); }
    virtual bool ShouldIncludeGridSizeInName(UWorld* InWorld, const FActorPartitionIdentifier& InIdentifier) const override;
    virtual void GetActorDescProperties(FPropertyPairsMap& PropertyPairsMap) const override;
#endif
    //~ End UObject Interface
 
    //~ Begin ALandscapeBase Interface
    virtual ALandscape* GetLandscapeActor() override;
    virtual const ALandscape* GetLandscapeActor() const override;
    void LANDSCAPE_API SetLandscapeActor(ALandscape* InLandscape);
    virtual UMaterialInterface* GetLandscapeMaterial(int8 InLODIndex = INDEX_NONE) const override;
    virtual UMaterialInterface* GetLandscapeHoleMaterial() const override;
    //~ End ALandscapeBase Interface
 
    // Check input Landscape actor is match for this LandscapeProxy (by GUID)
    bool IsValidLandscapeActor(ALandscape* Landscape);
 
#if WITH_EDITOR
    //~ Begin ALandscapeProxy Interface
    virtual bool IsSharedPropertyOverridden(const FName& InPropertyName) const override;
    virtual void SetSharedPropertyOverride(const FName& InPropertyName, const bool bIsOverridden) override;
    //~ End ALandscapeProxy Interface
 
protected:
    virtual void FixupOverriddenSharedProperties() override;
#endif // WITH_EDITOR
};