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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]
82 lines
2.1 KiB
C++
82 lines
2.1 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 "Templates/PimplPtr.h"
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#include "Changes/MeshChange.h"
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#include "GeometryBase.h"
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#include "Polygroups/PolygroupSet.h"
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PREDECLARE_USE_GEOMETRY_CLASS(FDynamicMesh3);
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/**
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* FDynamicMeshGroupEdit stores a modification of polygroup IDs on a set of triangles
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*/
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class MODELINGCOMPONENTS_API FDynamicMeshGroupEdit
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{
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public:
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/** GroupLayerIndex indicates which AttributeSet PolyGroup layer to apply the change to, or if -1, apply to the default on the Mesh */
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int32 GroupLayerIndex = -1;
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/** IDs of triangles that are modified */
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TArray<int32> Triangles;
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/** Old PolygroupID for each triangle */
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TArray<int32> OldGroups;
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/** New PolygroupID for each triangle */
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TArray<int32> NewGroups;
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virtual ~FDynamicMeshGroupEdit() {}
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virtual void ApplyToMesh(FDynamicMesh3* Mesh, bool bRevert);
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};
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/**
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* FDynamicMeshGroupEditBuilder builds up a FDynamicMeshGroupEdit incrementally.
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*/
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class MODELINGCOMPONENTS_API FDynamicMeshGroupEditBuilder
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{
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public:
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FDynamicMeshGroupEditBuilder(FDynamicMesh3* Mesh);
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FDynamicMeshGroupEditBuilder(FDynamicMesh3* Mesh, int32 GroupLayer);
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FDynamicMeshGroupEditBuilder(UE::Geometry::FPolygroupSet* PolygroupSet);
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TUniquePtr<FDynamicMeshGroupEdit> ExtractResult() { return MoveTemp(Edit); }
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void SaveTriangle(int32 TriangleID);
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void SaveTriangle(int32 TriangleID, int32 OldGroup, int32 NewGroup);
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template<typename EnumerableType>
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void SaveTriangles(EnumerableType Enumerable)
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{
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for (int32 tid : Enumerable)
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{
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SaveTriangle(tid);
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}
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}
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protected:
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TPimplPtr<UE::Geometry::FPolygroupSet> PolygroupSet;
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TUniquePtr<FDynamicMeshGroupEdit> Edit;
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TMap<int32, int32> SavedIndexMap;
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};
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/**
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* FMeshPolygroupChange stores a change to Polygroup IDs on a set of triangles, as a FDynamicMeshGroupEdit.
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*/
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class MODELINGCOMPONENTS_API FMeshPolygroupChange : public FMeshChange
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{
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public:
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FMeshPolygroupChange(TUniquePtr<FDynamicMeshGroupEdit>&& GroupEditIn);
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TUniquePtr<FDynamicMeshGroupEdit> GroupEdit;
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virtual void ApplyChangeToMesh(FDynamicMesh3* Mesh, bool bRevert) const override;
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};
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