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ModelingTools: Add option to Weld Tool to try to resolve T-junctions. Add feedback to report back the initial and final number of open boundary edges. #rb jimmy.andrews #preflight 62a260e48b67b148f2600dd8 [CL 20585253 by Ryan Schmidt in ue5-main branch]
120 lines
3.1 KiB
C++
120 lines
3.1 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 "BaseTools/SingleSelectionMeshEditingTool.h"
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#include "PreviewMesh.h"
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#include "ModelingOperators.h"
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#include "MeshOpPreviewHelpers.h"
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#include "DynamicMesh/DynamicMesh3.h"
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#include "DynamicMesh/DynamicMeshAABBTree3.h"
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#include "WeldMeshEdgesTool.generated.h"
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// predeclarations
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struct FMeshDescription;
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class UMeshElementsVisualizer;
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class UWeldMeshEdgesTool;
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class FWeldMeshEdgesOp;
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/**
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*
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*/
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UCLASS()
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class MESHMODELINGTOOLSEXP_API UWeldMeshEdgesToolBuilder : public USingleSelectionMeshEditingToolBuilder
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{
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GENERATED_BODY()
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public:
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virtual USingleSelectionMeshEditingTool* CreateNewTool(const FToolBuilderState& SceneState) const override;
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};
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UCLASS()
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class MESHMODELINGTOOLSEXP_API UWeldMeshEdgesToolProperties : public UInteractiveToolPropertySet
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{
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GENERATED_BODY()
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public:
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/** Edges are considered matching if both pairs of endpoint vertices are closer than this distance */
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UPROPERTY(EditAnywhere, Category = Options, meta = (UIMin = "0.000001", UIMax = "0.01", ClampMin = "0.00000001", ClampMax = "1000.0"))
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float Tolerance = FMathf::ZeroTolerance;
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/** Only merge unambiguous pairs that have unique duplicate-edge matches */
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UPROPERTY(EditAnywhere, Category = Options)
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bool bOnlyUnique = false;
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/** If enabled, after an initial attempt at Welding, attempt to resolve remaining open edges in T-junction configurations via edge splits, and then retry Weld */
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UPROPERTY(EditAnywhere, Category = Options)
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bool bResolveTJunctions = false;
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/** Initial number of open boundary edges */
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UPROPERTY(VisibleAnywhere, Category = Statistics)
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int32 InitialEdges;
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/** Number of remaining open boundary edges */
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UPROPERTY(VisibleAnywhere, Category = Statistics)
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int32 RemainingEdges;
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};
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UCLASS()
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class MESHMODELINGTOOLSEXP_API UWeldMeshEdgesOperatorFactory : public UObject, public UE::Geometry::IDynamicMeshOperatorFactory
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{
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GENERATED_BODY()
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public:
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// IDynamicMeshOperatorFactory API
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virtual TUniquePtr<UE::Geometry::FDynamicMeshOperator> MakeNewOperator() override;
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UPROPERTY()
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TObjectPtr<UWeldMeshEdgesTool> WeldMeshEdgesTool;
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};
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/**
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* Mesh Weld Edges Tool
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*/
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UCLASS()
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class MESHMODELINGTOOLSEXP_API UWeldMeshEdgesTool : public USingleSelectionMeshEditingTool
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{
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GENERATED_BODY()
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public:
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UWeldMeshEdgesTool();
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virtual void Setup() override;
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virtual void OnShutdown(EToolShutdownType ShutdownType) override;
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virtual void OnTick(float DeltaTime) override;
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virtual bool HasCancel() const override { return true; }
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virtual bool HasAccept() const override { return true; }
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virtual bool CanAccept() const override;
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// update parameters in FWeldMeshEdgesOp based on current Settings
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void UpdateOpParameters(FWeldMeshEdgesOp& Op) const;
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protected:
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UPROPERTY()
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TObjectPtr<UWeldMeshEdgesToolProperties> Settings;
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UPROPERTY()
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TObjectPtr<UMeshOpPreviewWithBackgroundCompute> PreviewCompute = nullptr;
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UPROPERTY()
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TObjectPtr<UMeshElementsVisualizer> MeshElementsDisplay = nullptr;
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UPROPERTY()
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TObjectPtr<UWeldMeshEdgesOperatorFactory> OperatorFactory;
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protected:
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TSharedPtr<UE::Geometry::FDynamicMesh3, ESPMode::ThreadSafe> SourceMesh;
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};
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