127 lines
4.9 KiB
C++
127 lines
4.9 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "Dataflow/DataflowCore.h"
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#include "Dataflow/DataflowEngine.h"
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//#include "Dataflow/DataflowEngine.h"
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//#include "GeometryCollection/ManagedArrayCollection.h"
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#include "Dataflow/ChaosFleshNodesUtility.h"
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#include "ChaosFleshCreateTetrahedralCollectionNode.generated.h"
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class USkeletalMesh;
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class UStaticMesh;
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class FFleshCollection;
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namespace UE {
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namespace Geometry {
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class FDynamicMesh3;
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}
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}
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// Note: disabled deprecation warnings due to deprecated member: IdealEdgeLength. Can remove these disable/enable pragmas once that member variable is removed.
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PRAGMA_DISABLE_DEPRECATION_WARNINGS
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USTRUCT(meta = (DataflowFlesh, Deprecated = "5.4"))
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struct FGenerateTetrahedralCollectionDataflowNodes : public FDataflowNode
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{
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GENERATED_USTRUCT_BODY()
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PRAGMA_ENABLE_DEPRECATION_WARNINGS
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DATAFLOW_NODE_DEFINE_INTERNAL(FGenerateTetrahedralCollectionDataflowNodes, "GenerateTetrahedralCollection", "Flesh", "")
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DATAFLOW_NODE_RENDER_TYPE("SurfaceRender", FGeometryCollection::StaticType(), "Collection")
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public:
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typedef FManagedArrayCollection DataType;
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UPROPERTY(EditAnywhere, Category = "Dataflow")
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TEnumAsByte<TetMeshingMethod> Method = TetMeshingMethod::IsoStuffing;
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//
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// IsoStuffing
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//
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UPROPERTY(EditAnywhere, Category = "Dataflow", meta = (ClampMin = "1", EditCondition = "Method == TetMeshingMethod::IsoStuffing", EditConditionHides))
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int32 NumCells = 32;
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UPROPERTY(EditAnywhere, Category = "Dataflow", meta = (ClampMin = "-0.5", ClampMax = "0.5", EditCondition = "Method == TetMeshingMethod::IsoStuffing", EditConditionHides))
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double OffsetPercent = 0.05;
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//
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// TetWild
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//
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//! Desired relative edge length, as a fraction of bounding box size
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UPROPERTY(EditAnywhere, Category = "Dataflow", meta = (ClampMin = "0.0", EditCondition = "Method == TetMeshingMethod::TetWild", EditConditionHides))
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double IdealEdgeLengthRel = 0.05;
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UE_DEPRECATED(5.6, "Use IdealEdgeLengthRel instead, which is relative to the bounding box size")
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double IdealEdgeLength = 0.05;
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//! Maximum number of optimization iterations.
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UPROPERTY(EditAnywhere, Category = "Dataflow", meta = (ClampMin = "1", EditCondition = "Method == TetMeshingMethod::TetWild", EditConditionHides))
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int32 MaxIterations = 80;
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//! Energy at which to stop optimizing tet quality and accept the result.
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UPROPERTY(EditAnywhere, Category = "Dataflow", meta = (ClampMin = "0.0", EditCondition = "Method == TetMeshingMethod::TetWild", EditConditionHides))
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double StopEnergy = 10;
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//! Relative tolerance, controlling how closely the mesh must follow the input surface.
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UPROPERTY(EditAnywhere, Category = "Dataflow", meta = (ClampMin = "0.0", EditCondition = "Method == TetMeshingMethod::TetWild", EditConditionHides))
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double EpsRel = 1e-3;
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//! Coarsen the tet mesh result.
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UPROPERTY(EditAnywhere, Category = "Dataflow", meta = (EditCondition = "Method == TetMeshingMethod::TetWild", EditConditionHides))
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bool bCoarsen = false;
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//! Enforce that the output boundary surface should be manifold.
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UPROPERTY(EditAnywhere, Category = "Dataflow", meta = (EditCondition = "Method == TetMeshingMethod::TetWild", EditConditionHides))
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bool bExtractManifoldBoundarySurface = false;
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//! Skip the initial simplification step.
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UPROPERTY(EditAnywhere, Category = "Dataflow", meta = (EditCondition = "Method == TetMeshingMethod::TetWild", EditConditionHides))
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bool bSkipSimplification = false;
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//! Invert tetrahedra.
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UPROPERTY(EditAnywhere, Category = "Dataflow", meta = (EditCondition = "Method == TetMeshingMethod::TetWild", EditConditionHides))
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bool bInvertOutputTets = false;
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//
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// Common
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//
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UPROPERTY(EditAnywhere, Category = "Dataflow", meta = (DataflowInput, DisplayName = "StaticMesh"))
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TObjectPtr<const UStaticMesh> StaticMesh = nullptr;
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UPROPERTY(EditAnywhere, Category = "Dataflow", meta = (DataflowInput, DisplayName = "SkeletalMesh"))
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TObjectPtr<const USkeletalMesh> SkeletalMesh = nullptr;
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UPROPERTY(EditAnywhere, Category = "Dataflow")
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bool bComputeByComponent = false;
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UPROPERTY(meta = (DataflowInput, DataflowOutput, DisplayName = "Collection"))
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FManagedArrayCollection Collection;
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UPROPERTY(EditAnywhere, Category = "Dataflow")
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bool bDiscardInteriorTriangles = true;
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FGenerateTetrahedralCollectionDataflowNodes(const UE::Dataflow::FNodeParameters& InParam, FGuid InGuid = FGuid::NewGuid())
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: FDataflowNode(InParam, InGuid)
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{
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RegisterInputConnection(&StaticMesh);
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RegisterInputConnection(&SkeletalMesh);
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RegisterInputConnection(&Collection);
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RegisterOutputConnection(&Collection);
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}
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virtual void Evaluate(UE::Dataflow::FContext& Context, const FDataflowOutput* Out) const override;
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protected:
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void EvaluateIsoStuffing(UE::Dataflow::FContext& Context, TUniquePtr<FFleshCollection>& InCollection, const UE::Geometry::FDynamicMesh3& DynamicMesh) const;
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void EvaluateTetWild(UE::Dataflow::FContext& Context, TUniquePtr<FFleshCollection>& InCollection, const UE::Geometry::FDynamicMesh3& DynamicMesh) const;
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};
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