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#jira UETOOL-3823 #rb lonnie.li #preflight 617b1aea5794a500014f544a #ROBOMERGE-AUTHOR: michael.balzer #ROBOMERGE-SOURCE: CL 17972239 in //UE5/Release-5.0/... via CL 17972248 #ROBOMERGE-BOT: STARSHIP (Release-Engine-Staging -> Release-Engine-Test) (v885-17909292) #ROBOMERGE[STARSHIP]: UE5-Main [CL 17972256 by michael balzer in ue5-release-engine-test branch]
83 lines
3.4 KiB
C++
83 lines
3.4 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "PreviewMesh.h"
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#include "DynamicMesh/DynamicMesh3.h"
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#include "DynamicMesh/DynamicMeshAABBTree3.h"
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#include "DynamicSubmesh3.h"
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#include "PolyEditPreviewMesh.generated.h"
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/**
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* UPolyEditPreviewMesh is a variant of UPreviewMesh intended for use as a 'live preview' of
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* a mesh creation/editing operation. The class supports initializing the preview mesh in various
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* ways, generally as a submesh of a base mesh.
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*/
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UCLASS(Transient)
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class MODELINGCOMPONENTS_API UPolyEditPreviewMesh : public UPreviewMesh
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{
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GENERATED_BODY()
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using FTransform3d = UE::Geometry::FTransform3d;
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public:
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//
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// "Static Type" is just a static mesh
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//
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void InitializeStaticType(const FDynamicMesh3* SourceMesh, const TArray<int32>& Triangles,
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const FTransform3d* MeshTransform = nullptr);
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void UpdateStaticType(TFunctionRef<void(FDynamicMesh3&)> UpdateMeshFunc, bool bFullRecalculate);
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void MakeStaticTypeTargetMesh(FDynamicMesh3& TargetMesh);
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//
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// "Extrude Type" duplicates the input faces, offsets them using FExtrudeMesh, and stitches them together
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//
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void InitializeExtrudeType(const FDynamicMesh3* SourceMesh, const TArray<int32>& Triangles,
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const FVector3d& TransformedOffsetDirection,
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const FTransform3d* MeshTransform = nullptr,
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bool bDeleteExtrudeBaseFaces = true);
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void InitializeExtrudeType(FDynamicMesh3&& BaseMesh,
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const FVector3d& TransformedOffsetDirection,
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const FTransform3d* MeshTransform = nullptr,
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bool bDeleteExtrudeBaseFaces = true);
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/** Update extrude-type preview mesh by moving existing offset vertices */
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void UpdateExtrudeType(double NewOffset, bool bUseNormalDirection = false);
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/** Update extrude-type preview mesh by moving existing offset vertices along their connected triangle normals and then averaging positions */
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void UpdateExtrudeType_FaceNormalAvg(double NewOffset);
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/** Update extrude-type preview mesh using external function. if bFullRecalculate, mesh is re-initialized w/ initial extrusion patch SourceMesh before calling function */
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void UpdateExtrudeType(TFunctionRef<void(FDynamicMesh3&)> UpdateMeshFunc, bool bFullRecalculate);
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/** Make a hit-target mesh that is an infinite extrusion along extrude direction. If bUseNormalDirection, use per-vertex normals instead */
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void MakeExtrudeTypeHitTargetMesh(FDynamicMesh3& TargetMesh, bool bUseNormalDirection = false);
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//
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// "Inset Type" duplicates the input faces and insets them using FInsetMeshRegion
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//
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void InitializeInsetType(const FDynamicMesh3* SourceMesh, const TArray<int32>& Triangles,
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const FTransform3d* MeshTransform = nullptr);
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void UpdateInsetType(double NewOffset, bool bReproject = false, double Softness = 0.0, double AreaScaleT = 1.0, bool bBoundaryOnly = false);
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void MakeInsetTypeTargetMesh(FDynamicMesh3& TargetMesh);
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const FDynamicMesh3& GetInitialPatchMesh() const { return InitialEditPatch; }
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// must be non-const because query functions are non-const
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UE::Geometry::FDynamicMeshAABBTree3& GetInitialPatchMeshSpatial() { return InitialEditPatchBVTree; }
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protected:
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TUniquePtr<UE::Geometry::FDynamicSubmesh3> ActiveSubmesh;
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FDynamicMesh3 InitialEditPatch;
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UE::Geometry::FDynamicMeshAABBTree3 InitialEditPatchBVTree;
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TArray<int32> EditVertices;
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TArray<FVector3d> InitialPositions;
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TArray<FVector3d> InitialNormals;
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TArray<FVector3d> InitialTriNormals;
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TMap<int32,int32> ExtrudeToInitialVerts;
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FVector3d InputDirection;
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UE::Geometry::FTransform3d MeshTransform;
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bool bHaveMeshTransform;
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}; |