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Brandyn / Techy fcc1b09210 init
2026-04-04 15:40:51 -05:00

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4.8 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "CoreMinimal.h"
#include "GroomAsset.h"
#include "ChaosLog.h"
#include "Dataflow/DataflowConnectionTypes.h"
#include "Dataflow/DataflowCore.h"
#include "AttachGuidesRootsNode.generated.h"
/** Attach the guides roots by setting their kinematic weights to 1.0f */
USTRUCT(meta = (Experimental, DataflowGroom, Deprecated="5.7"))
struct UE_DEPRECATED(5.7, "Use AttachCurveRoots node instead.") FAttachGuidesRootsDataflowNode : public FDataflowNode
{
GENERATED_BODY()
DATAFLOW_NODE_DEFINE_INTERNAL(FAttachGuidesRootsDataflowNode, "AttachGuidesRoots", "Groom", "")
DATAFLOW_NODE_RENDER_TYPE("GuidesRender", FName("FGroomCollection"), "Collection")
public:
FAttachGuidesRootsDataflowNode(const UE::Dataflow::FNodeParameters& InParam, FGuid InGuid = FGuid::NewGuid())
: FDataflowNode(InParam, InGuid)
{
RegisterInputConnection(&Collection);
RegisterOutputConnection(&Collection, &Collection);
RegisterOutputConnection(&KinematicWeightsKey);
}
//~ Begin FDataflowNode interface
virtual void Evaluate(UE::Dataflow::FContext& Context, const FDataflowOutput* Out) const override;
//~ End FDataflowNode interface
/** Managed array collection to be used to store datas */
UPROPERTY(meta = (DataflowInput, DataflowOutput, DisplayName = "Collection", DataflowPassthrough = "Collection"))
FManagedArrayCollection Collection;
/** Group index on which the roots will be attached. -1 will attach all the groups */
UPROPERTY(EditAnywhere, Category="Groups", meta = (DisplayName = "Group Index"))
int32 GroupIndex = INDEX_NONE;
/** Point Kinematic weights key to be used in other nodes if necessary */
UPROPERTY(meta = (DisplayName = "Kinematic Weights", DataflowOutput))
FCollectionAttributeKey KinematicWeightsKey;
};
/** Attach the curve roots by setting their kinematic weights to 1.0f */
USTRUCT(meta = (Experimental, DataflowGroom))
struct FAttachCurveRootsDataflowNode : public FDataflowNode
{
GENERATED_BODY()
DATAFLOW_NODE_DEFINE_INTERNAL(FAttachCurveRootsDataflowNode, "AttachCurveRoots", "Groom", "")
public:
FAttachCurveRootsDataflowNode(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
/** Managed array collection to be used to store datas */
UPROPERTY(meta = (DataflowInput, DataflowOutput, DisplayName = "Collection", DataflowPassthrough = "Collection", DataflowRenderGroups = "Surface"))
FManagedArrayCollection Collection;
/** Curve selection to focus the geometry transfer spatially */
UPROPERTY(meta = (DataflowInput, DisplayName = "Curve Selection"))
FDataflowCurveSelection CurveSelection;
/** Vertex kinematic weights key to be used in other nodes if necessary */
UPROPERTY(meta = (DisplayName = "Kinematic Weights", DataflowOutput))
FCollectionAttributeKey KinematicWeightsKey;
};
/** Build a weight map that will be identical on every curves */
USTRUCT(meta = (Experimental, DataflowGroom))
struct FBuildCurveWeightsDataflowNode : public FDataflowNode
{
GENERATED_BODY()
DATAFLOW_NODE_DEFINE_INTERNAL(FBuildCurveWeightsDataflowNode, "BuildCurveWeights", "Groom", "")
public:
FBuildCurveWeightsDataflowNode(const UE::Dataflow::FNodeParameters& InParam, FGuid InGuid = FGuid::NewGuid())
: FDataflowNode(InParam, InGuid)
{
RegisterInputConnection(&Collection);
RegisterInputConnection(&CurveSelection);
RegisterInputConnection(&WeightsAttribute);
RegisterOutputConnection(&Collection, &Collection);
}
//~ Begin FDataflowNode interface
virtual void Evaluate(UE::Dataflow::FContext& Context, const FDataflowOutput* Out) const override;
//~ End FDataflowNode interface
/** Managed array collection to be used to store datas */
UPROPERTY(meta = (DataflowInput, DataflowOutput, DisplayName = "Collection", DataflowPassthrough = "Collection", DataflowRenderGroups = "Surface"))
FManagedArrayCollection Collection;
/** Curve selection to focus the geometry transfer spatially */
UPROPERTY(meta = (DataflowInput, DisplayName = "Curve Selection"))
FDataflowCurveSelection CurveSelection;
/** Weight value along each curves */
UPROPERTY(EditAnywhere, Category = "Curves", meta = (DisplayName = "Curve Weights", ViewMinInput = "0.0", ViewMaxInput = "1.0", ViewMinOutput = "0.0", ViewMaxOutput = "1.0", TimeLineLength = "1.0", XAxisName = "Curve Coordinate (0,1)", YAxisName = "Weight value", ToolTip = "This curve determines the weight value from root to tip. \n The X axis range is [0,1], 0 mapping the root and 1 the tip"))
FRuntimeFloatCurve CurveWeights;
/** Vertex kinematic weights key to be used in other nodes if necessary */
UPROPERTY(EditAnywhere, Category = "Curves", meta = (DisplayName = "Weights Attribute", DataflowInput))
FCollectionAttributeKey WeightsAttribute;
};