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1a178fa774
UMeshElementsVisualizer::SetMeshAccessFunction() now takes a TFunction with a TFunctionRef argument, instead of with a FDynamicMesh3* argument. This allows the UMeshElementsVisualizer to access the target mesh via the ProcessMesh()-style call on a UPreviewMesh, UDynamicMesh, etc, rather than receiving direct pointer access. See UWeldMeshEdgesTool::Setup() for example usage. Add UMeshOpPreviewWithBackgroundCompute::ProcessCurrentMesh(), which forwards to the embedded UPreviewMesh::ProcessMesh() (which can be used with the above) Add UE::ToolTarget::GetMeshDescriptionCopy() to ModelingToolTargetUtil, similar to existing DynamicMesh variant that will auto-compute tangents if necessary. #rb none #rnx #jira none #preflight 60c8def586ce760001d8de51 #fyi semion.piskarev [CL 16679472 by Ryan Schmidt in ue5-main branch]
129 lines
4.3 KiB
C++
129 lines
4.3 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 "UObject/NoExportTypes.h"
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#include "BaseTools/SingleSelectionMeshEditingTool.h"
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#include "MeshOpPreviewHelpers.h"
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#include "Properties/RemeshProperties.h"
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#include "CleaningOps/SimplifyMeshOp.h" // required in header for enum types
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#include "SimplifyMeshTool.generated.h"
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class UMeshStatisticsProperties;
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class UMeshElementsVisualizer;
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PREDECLARE_GEOMETRY(class FDynamicMesh3);
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PREDECLARE_GEOMETRY(typedef TMeshAABBTree3<FDynamicMesh3> FDynamicMeshAABBTree3);
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/**
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*
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*/
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UCLASS()
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class MESHMODELINGTOOLSEDITORONLY_API USimplifyMeshToolBuilder : 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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/**
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* Standard properties of the Simplify operation
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*/
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UCLASS()
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class MESHMODELINGTOOLSEDITORONLY_API USimplifyMeshToolProperties : public UMeshConstraintProperties
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{
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GENERATED_BODY()
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public:
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USimplifyMeshToolProperties();
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/** Simplification Scheme */
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UPROPERTY(EditAnywhere, Category = Options)
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ESimplifyType SimplifierType;
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/** Simplification Target Type */
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UPROPERTY(EditAnywhere, Category = Options)
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ESimplifyTargetType TargetMode;
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/** Target percentage of original triangle count */
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UPROPERTY(EditAnywhere, Category = Options, meta = (UIMin = "0", UIMax = "100", EditCondition = "TargetMode == ESimplifyTargetType::Percentage"))
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int TargetPercentage;
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/** Target edge length */
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UPROPERTY(EditAnywhere, Category = Options, meta = (UIMin = "3.0", UIMax = "10.0", ClampMin = "0.001", ClampMax = "1000.0", EditCondition = "TargetMode == ESimplifyTargetType::EdgeLength && SimplifierType != ESimplifyType::UEStandard"))
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float TargetEdgeLength;
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/** Target triangle count */
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UPROPERTY(EditAnywhere, Category = Options, meta = (UIMin = "4", UIMax = "10000", ClampMin = "1", ClampMax = "9999999999", EditCondition = "TargetMode == ESimplifyTargetType::TriangleCount || TargetMode == ESimplifyTargetType::VertexCount"))
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int TargetCount;
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/** If true, UVs and Normals are discarded */
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UPROPERTY(EditAnywhere, Category = Options)
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bool bDiscardAttributes;
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/** If true, then simplification will consider geometric deviation with the input mesh */
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UPROPERTY(EditAnywhere, Category = Options)
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bool bGeometricConstraint;
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/** Geometric deviation tolerance used when bGeometricConstraint is enabled, to limit the geometric deviation between the simplified and original meshes */
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UPROPERTY(EditAnywhere, Category = Options, meta = (UIMin = "0.0", UIMax = "10.0", ClampMin = "0.0", ClampMax = "10000000.0", EditCondition = "bGeometricConstraint && SimplifierType != ESimplifyType::UEStandard"))
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float GeometricTolerance;
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/** Display colors corresponding to the mesh's polygon groups */
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UPROPERTY(EditAnywhere, Category = Display)
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bool bShowGroupColors = false;
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/** Enable projection back to input mesh */
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UPROPERTY(EditAnywhere, Category = Options, AdvancedDisplay)
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bool bReproject;
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};
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/**
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* Simple Mesh Simplifying Tool
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*/
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UCLASS()
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class MESHMODELINGTOOLSEDITORONLY_API USimplifyMeshTool : public USingleSelectionMeshEditingTool, public UE::Geometry::IDynamicMeshOperatorFactory
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{
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GENERATED_BODY()
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public:
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virtual void Setup() override;
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virtual void Shutdown(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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virtual void OnPropertyModified(UObject* PropertySet, FProperty* Property) override;
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// IDynamicMeshOperatorFactory API
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virtual TUniquePtr<UE::Geometry::FDynamicMeshOperator> MakeNewOperator() override;
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private:
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UPROPERTY()
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USimplifyMeshToolProperties* SimplifyProperties;
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UPROPERTY()
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UMeshStatisticsProperties* MeshStatisticsProperties;
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UPROPERTY()
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UMeshOpPreviewWithBackgroundCompute* Preview;
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UPROPERTY()
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UMeshElementsVisualizer* MeshElementsDisplay;
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TSharedPtr<FMeshDescription, ESPMode::ThreadSafe> OriginalMeshDescription;
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// Dynamic Mesh versions precomputed in Setup (rather than recomputed for every simplify op)
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TSharedPtr<UE::Geometry::FDynamicMesh3, ESPMode::ThreadSafe> OriginalMesh;
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TSharedPtr<UE::Geometry::FDynamicMeshAABBTree3, ESPMode::ThreadSafe> OriginalMeshSpatial;
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void UpdateVisualization();
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};
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