124 lines
3.1 KiB
C++
124 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 "UObject/NoExportTypes.h"
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#include "BaseTools/BaseVoxelTool.h"
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#include "VoxelCSGMeshesTool.generated.h"
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#define UE_API MESHMODELINGTOOLSEDITORONLYEXP_API
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/** */
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UENUM()
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enum class EVoxelCSGOperation : uint8
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{
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/** Subtracts the first object from the second */
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DifferenceAB = 0 UMETA(DisplayName = "A - B"),
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/** Subtracts the second object from the first */
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DifferenceBA = 1 UMETA(DisplayName = "B - A"),
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/** intersection of two objects */
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Intersect = 2 UMETA(DisplayName = "Intersect"),
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/** union of two objects */
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Union = 3 UMETA(DisplayName = "Union"),
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};
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/**
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* Standard properties of the Voxel CSG operation
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*/
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UCLASS(MinimalAPI)
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class UVoxelCSGMeshesToolProperties : public UInteractiveToolPropertySet
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{
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GENERATED_BODY()
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public:
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/** The type of operation */
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UPROPERTY(EditAnywhere, Category = BooleanOptions)
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EVoxelCSGOperation Operation = EVoxelCSGOperation::DifferenceAB;
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/** The size of the geometry bounding box major axis measured in voxels.*/
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UPROPERTY(EditAnywhere, Category = VoxelSettings, meta = (UIMin = "8", UIMax = "1024", ClampMin = "8", ClampMax = "1024"))
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int32 VoxelCount = 128;
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/** Remeshing adaptivity, prior to optional simplification */
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UPROPERTY(EditAnywhere, Category = VoxelSettings, meta = (UIMin = "0", UIMax = "1", ClampMin = "0", ClampMax = "1"))
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float MeshAdaptivity = 0.01f;
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/** Offset when remeshing, note large offsets with high voxels counts will be slow. Hidden because this duplicates functionality of the voxel offset tool */
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UPROPERTY()
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float OffsetDistance = 0.0f;
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/** Automatically simplify the result of voxel-based merge.*/
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UPROPERTY(EditAnywhere, Category = VoxelSettings)
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bool bAutoSimplify = false;
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};
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UCLASS(MinimalAPI)
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class UVoxelCSGMeshesTool : public UBaseVoxelTool
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{
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GENERATED_BODY()
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public:
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UVoxelCSGMeshesTool() {}
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protected:
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UE_API virtual void SetupProperties() override;
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UE_API virtual void SaveProperties() override;
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UE_API virtual FString GetCreatedAssetName() const override;
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UE_API virtual FText GetActionName() const override;
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UE_API virtual void ConvertInputsAndSetPreviewMaterials(bool bSetPreviewMesh) override;
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// IDynamicMeshOperatorFactory API
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UE_API virtual TUniquePtr<UE::Geometry::FDynamicMeshOperator> MakeNewOperator() override;
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UPROPERTY()
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TObjectPtr<UVoxelCSGMeshesToolProperties> CSGProps;
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virtual bool KeepCollisionFrom(int32 TargetIdx) const override
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{
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if (CSGProps->Operation == EVoxelCSGOperation::DifferenceAB)
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{
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return TargetIdx == 0;
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}
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else if (CSGProps->Operation == EVoxelCSGOperation::DifferenceBA)
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{
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return TargetIdx == 1;
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}
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return true;
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}
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};
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UCLASS(MinimalAPI)
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class UVoxelCSGMeshesToolBuilder : public UBaseCreateFromSelectedToolBuilder
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{
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GENERATED_BODY()
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public:
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virtual UMultiSelectionMeshEditingTool* CreateNewTool(const FToolBuilderState& SceneState) const override
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{
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return NewObject<UVoxelCSGMeshesTool>(SceneState.ToolManager);
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}
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virtual TOptional<int32> MaxComponentsSupported() const override { return 2; }
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virtual int32 MinComponentsSupported() const override { return 2; }
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};
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#undef UE_API
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