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#ROBOMERGE-AUTHOR: michael.balzer #ROBOMERGE-SOURCE: CL 18227685 in //UE5/Release-5.0/... via CL 18229350 #ROBOMERGE-BOT: STARSHIP (Release-Engine-Staging -> Release-Engine-Test) (v895-18170469) #ROBOMERGE[STARSHIP]: UE5-Main [CL 18231457 by michael balzer in ue5-release-engine-test branch]
100 lines
2.4 KiB
C++
100 lines
2.4 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "Parameterization/MeshUVPacking.h"
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#include "DynamicSubmesh3.h"
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#include "Selections/MeshConnectedComponents.h"
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// the generic GeometricObjects version
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#include "Parameterization/UVPacking.h"
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using namespace UE::Geometry;
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struct FUVOverlayView : public FUVPacker::IUVMeshView
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{
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FDynamicMesh3* Mesh;
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FDynamicMeshUVOverlay* UVOverlay;
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FUVOverlayView(FDynamicMeshUVOverlay* UVOverlay) : UVOverlay(UVOverlay)
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{
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Mesh = UVOverlay->GetParentMesh();
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}
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virtual FIndex3i GetTriangle(int32 TID) const
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{
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return Mesh->GetTriangle(TID);
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}
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virtual FIndex3i GetUVTriangle(int32 TID) const
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{
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return UVOverlay->GetTriangle(TID);
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}
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virtual FVector3d GetVertex(int32 VID) const
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{
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return Mesh->GetVertex(VID);
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}
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virtual FVector2f GetUV(int32 EID) const
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{
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return UVOverlay->GetElement(EID);
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}
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virtual void SetUV(int32 EID, FVector2f UV)
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{
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return UVOverlay->SetElement(EID, UV);
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}
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};
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FDynamicMeshUVPacker::FDynamicMeshUVPacker(FDynamicMeshUVOverlay* UVOverlayIn)
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{
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UVOverlay = UVOverlayIn;
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}
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bool FDynamicMeshUVPacker::StandardPack()
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{
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TRACE_CPUPROFILER_EVENT_SCOPE(DynamicMeshUVPacker_StandardPack);
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FUVPacker Packer;
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Packer.bAllowFlips = bAllowFlips;
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Packer.GutterSize = GutterSize;
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Packer.TextureResolution = TextureResolution;
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FUVOverlayView MeshView(UVOverlay);
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FMeshConnectedComponents UVComponents(MeshView.Mesh);
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UVComponents.FindConnectedTriangles([&MeshView](int32 Triangle0, int32 Triangle1) {
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return MeshView.UVOverlay->AreTrianglesConnected(Triangle0, Triangle1);
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});
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return Packer.StandardPack(&MeshView, UVComponents.Num(), [&UVComponents](int Idx, TArray<int32>& Island)
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{
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Island = UVComponents.GetComponent(Idx).Indices;
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});
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}
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bool FDynamicMeshUVPacker::StackPack()
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{
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TRACE_CPUPROFILER_EVENT_SCOPE(DynamicMeshUVPacker_StackPack);
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FUVPacker Packer;
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Packer.bAllowFlips = bAllowFlips;
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Packer.GutterSize = GutterSize;
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Packer.TextureResolution = TextureResolution;
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FUVOverlayView MeshView(UVOverlay);
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FMeshConnectedComponents UVComponents(MeshView.Mesh);
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UVComponents.FindConnectedTriangles([&MeshView](int32 Triangle0, int32 Triangle1) {
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return MeshView.UVOverlay->AreTrianglesConnected(Triangle0, Triangle1);
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});
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return Packer.StackPack(&MeshView, UVComponents.Num(), [&UVComponents](int Idx, TArray<int32>& Island)
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{
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Island = UVComponents.GetComponent(Idx).Indices;
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});
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} |