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UnrealEngine/Engine/Plugins/Runtime/HairStrands/Source/HairStrandsDataflow/Public/GetGroomAssetNode.h
Brandyn / Techy fcc1b09210 init
2026-04-04 15:40:51 -05:00

115 lines
3.9 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "CoreMinimal.h"
#include "GroomAsset.h"
#include "ChaosLog.h"
#include "Dataflow/DataflowCore.h"
#include "Dataflow/DataflowEngine.h"
#include "GetGroomAssetNode.generated.h"
UENUM()
enum class EGroomCollectionType : uint8
{
/** Strands type (Rendering Mesh) */
Strands UMETA(DisplayName = "Strands"),
/** Guides type (Simulation Mesh)*/
Guides UMETA(DisplayName = "Guides"),
};
/** Get the groom asset */
USTRUCT(meta = (Experimental, DataflowGroom, Deprecated="5.7"))
struct UE_DEPRECATED(5.7, "Use the newer version of this node instead.") FGetGroomAssetDataflowNode : public FDataflowNode
{
GENERATED_BODY()
DATAFLOW_NODE_DEFINE_INTERNAL(FGetGroomAssetDataflowNode, "GetGroomAsset", "Groom", "")
public:
FGetGroomAssetDataflowNode(const UE::Dataflow::FNodeParameters& InParam, FGuid InGuid = FGuid::NewGuid())
: FDataflowNode(InParam, InGuid)
{
RegisterOutputConnection(&Collection);
}
//~ Begin FDataflowNode interface
virtual void Evaluate(UE::Dataflow::FContext& Context, const FDataflowOutput* Out) const override;
//~ End FDataflowNode interface
/** Input asset to read the guides from */
UPROPERTY(EditAnywhere, Category = "Groom", meta = (DisplayName = "GroomAsset"))
TObjectPtr<const UGroomAsset> GroomAsset = nullptr;
/** Type of curves to use to fill the groom collection (guides/strands) */
UPROPERTY(EditAnywhere, Category = "Groom", meta = (DisplayName = "Display Curves"))
EGroomCollectionType CurvesType = EGroomCollectionType::Strands;
/** Managed array collection used to store the guides */
UPROPERTY(meta = (DataflowOutput, DisplayName = "Collection"))
FManagedArrayCollection Collection;
};
/** Get the groom asset */
USTRUCT(meta = (Experimental, DataflowGroom))
struct FGetGroomAssetDataflowNode_v2 : public FDataflowNode
{
GENERATED_BODY()
DATAFLOW_NODE_DEFINE_INTERNAL(FGetGroomAssetDataflowNode_v2, "GetGroomAsset", "Groom", "")
public:
FGetGroomAssetDataflowNode_v2(const UE::Dataflow::FNodeParameters& InParam, FGuid InGuid = FGuid::NewGuid())
: FDataflowNode(InParam, InGuid)
{
RegisterOutputConnection(&GroomAsset);
}
//~ Begin FDataflowNode interface
virtual void Evaluate(UE::Dataflow::FContext& Context, const FDataflowOutput* Out) const override;
//~ End FDataflowNode interface
/** Groom asset that will be used in the dataflow graph */
UPROPERTY(EditAnywhere, Category = "Groom", meta = (DataflowOutput, DisplayName = "Groom Asset"))
TObjectPtr<const UGroomAsset> GroomAsset = nullptr;
};
/** Transform a groom asset to a collection */
USTRUCT(meta = (Experimental, DataflowGroom))
struct FGroomAssetToCollectionDataflowNode : public FDataflowNode
{
GENERATED_BODY()
DATAFLOW_NODE_DEFINE_INTERNAL(FGroomAssetToCollectionDataflowNode, "GroomAssetToCollection", "Groom", "")
public:
FGroomAssetToCollectionDataflowNode(const UE::Dataflow::FNodeParameters& InParam, FGuid InGuid = FGuid::NewGuid());
private:
//~ Begin FDataflowNode interface
virtual void Evaluate(UE::Dataflow::FContext& Context, const FDataflowOutput* Out) const override;
//~ End FDataflowNode interface
/** Input asset to read the guides from */
UPROPERTY(EditAnywhere, Category = "Groom", meta = (DataflowInput, DisplayName = "Groom Asset"))
TObjectPtr<const UGroomAsset> GroomAsset = nullptr;
/** Type of curves to use to fill the groom collection (guides/strands) */
UPROPERTY(EditAnywhere, Category = "Groom", meta = (DisplayName = "Curves Type"), meta = (DataflowInput))
EGroomCollectionType CurvesType = EGroomCollectionType::Guides;
/** Curves thickness for geometry generation */
UPROPERTY(EditAnywhere, Category = "Geometry", meta = (DataflowInput, DisplayName = "Curves Thickness"))
float CurvesThickness = 0.5;
/** Managed array collection used to store the curves */
UPROPERTY(meta = (DataflowOutput, DisplayName = "Collection", DataflowRenderGroups = "Surface"))
FManagedArrayCollection Collection;
};