69 lines
3.1 KiB
C++
69 lines
3.1 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "Math/MathFwd.h" // FTransform, FIntPoint
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#include "Misc/CoreMiscDefines.h" // PURE_VIRTUAL
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#include "UObject/Interface.h"
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#include "GlobalMergeLegacySupportUtil.generated.h"
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// Note: this file is likely to be removed once global merge is fully phased out.
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class UTextureRenderTarget2D;
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struct FLandscapeBrushParameters;
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class UE_DEPRECATED(5.7, "Global merge has been deprecated so this is no longer used. There's no good way of deprecating UInterfaces ATM, hence this forward-declaration") ULandscapeBrushRenderCallAdapter_GlobalMergeLegacySupport {};
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class UE_DEPRECATED(5.7, "Global merge has been deprecated so this is no longer used. There's no good way of deprecating UInterfaces ATM, hence this forward-declaration") ILandscapeBrushRenderCallAdapter_GlobalMergeLegacySupport {};
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// UObject for the UInterface
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UINTERFACE(MinimalAPI)
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class ULandscapeBrushRenderCallAdapter_GlobalMergeLegacySupport_DEPRECATED : public UInterface
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{
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GENERATED_BODY()
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};
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/**
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* Interface that allows an edit layer UObject to receive a render call the way that a blueprint
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* brush would in global merge mode, so that an edit layer UObject that implements custom batched
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* merge functions can still perform its work if global merge mode is used instead.
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*
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* This interface is likely to be removed once global merge is no longer used.
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*/
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class ILandscapeBrushRenderCallAdapter_GlobalMergeLegacySupport_DEPRECATED
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{
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GENERATED_BODY()
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#if WITH_EDITOR
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public:
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/**
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* In global merge mode, this function is called in the same places that FLandscapeLayerBrush::RenderLayer(BrushParameters)
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* is called. This function calls the virtual InitializeAsBlueprintBrush and RenderLayerAsBlueprintBrush
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* functions, which are equivalent to a blueprint brush actor's Initialize_Native and RenderLayer_Native.
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*/
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UTextureRenderTarget2D* RenderAsBlueprintBrush(const FLandscapeBrushParameters& InParameters, const FTransform& LandscapeTransform) { return nullptr; }
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// Called in the same places as the equivalent methods on FLandscapeLayerBrush.
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virtual bool AffectsHeightmapAsBlueprintBrush() const { return false; }
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virtual bool AffectsWeightmapLayerAsBlueprintBrush(const FName& InLayerName) const { return false; }
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virtual bool AffectsVisibilityLayerAsBlueprintBrush() const { return false; }
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protected:
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// Overridable, equivalent to Initialize_Native on a blueprint brush actor
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virtual void InitializeAsBlueprintBrush(const FTransform& InLandscapeTransform,
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const FIntPoint& InLandscapeSize,
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const FIntPoint& InLandscapeRenderTargetSize) {}
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// Overridable, equivalent to RenderLayer_Native on a blueprint brush actor.
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virtual UTextureRenderTarget2D* RenderLayerAsBlueprintBrush(const FLandscapeBrushParameters& InParameters)
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PURE_VIRTUAL(ILandscapeBrushRenderCallAdapter_GlobalMergeLegacySupport_DEPRECATED::InitializeAsBlueprintBrush, return nullptr; );
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// Used in RenderAsBlueprintBrush to cache things the same way that blueprint brushes do
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FTransform CurrentRenderAreaWorldTransform;
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FIntPoint CurrentRenderAreaSize = FIntPoint(ForceInitToZero);
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FIntPoint CurrentRenderTargetSize = FIntPoint(ForceInitToZero);
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#endif
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};
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