You've already forked UnrealEngineUWP
mirror of
https://github.com/izzy2lost/UnrealEngineUWP.git
synced 2026-03-26 18:15:20 -07:00
77adc25814
a FGetMeshParameters parameter is now used to request a specific LOD, as well as the option of requesting tangents
this will also allow further customization in the future, if required, by adding attributes to the FGetMeshParameters struct
#rb halfdan.ingvarsson, Jimmy.Andrews
#rnx
[CL 33681647 by benoit gadreau in ue5-main branch]
66 lines
2.7 KiB
C++
66 lines
2.7 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
|
|
|
|
#include "ConversionUtils/DynamicMeshViaMeshDescriptionUtil.h"
|
|
|
|
#include "TargetInterfaces/MeshDescriptionCommitter.h"
|
|
#include "TargetInterfaces/MeshDescriptionProvider.h"
|
|
#include "DynamicMeshToMeshDescription.h"
|
|
#include "MeshConversionOptions.h" //FConversionToMeshDescriptionOptions
|
|
#include "MeshDescriptionToDynamicMesh.h"
|
|
|
|
FDynamicMesh3 UE::Geometry::GetDynamicMeshViaMeshDescription(
|
|
IMeshDescriptionProvider& MeshDescriptionProvider, bool bRequestTangents)
|
|
{
|
|
FGetMeshParameters GetMeshParams;
|
|
GetMeshParams.bWantMeshTangents = bRequestTangents;
|
|
return GetDynamicMeshViaMeshDescription(MeshDescriptionProvider, GetMeshParams);
|
|
}
|
|
|
|
FDynamicMesh3 UE::Geometry::GetDynamicMeshViaMeshDescription(
|
|
IMeshDescriptionProvider& MeshDescriptionProvider,
|
|
const FGetMeshParameters& InGetMeshParams)
|
|
{
|
|
FDynamicMesh3 DynamicMesh;
|
|
FMeshDescriptionToDynamicMesh Converter;
|
|
Converter.bVIDsFromNonManifoldMeshDescriptionAttr = true;
|
|
Converter.SetPolygonGroupToMaterialIndexMap(MeshDescriptionProvider.GetPolygonGroupToMaterialIndexMap());
|
|
if (InGetMeshParams.bWantMeshTangents)
|
|
{
|
|
FMeshDescription MeshDescriptionCopy = MeshDescriptionProvider.GetMeshDescriptionCopy(InGetMeshParams);
|
|
Converter.Convert(&MeshDescriptionCopy, DynamicMesh, InGetMeshParams.bWantMeshTangents);
|
|
}
|
|
else
|
|
{
|
|
Converter.Convert(MeshDescriptionProvider.GetMeshDescription(InGetMeshParams), DynamicMesh);
|
|
}
|
|
return DynamicMesh;
|
|
}
|
|
|
|
void UE::Geometry::CommitDynamicMeshViaMeshDescription(
|
|
FMeshDescription&& CurrentMeshDescription,
|
|
IMeshDescriptionCommitter& MeshDescriptionCommitter,
|
|
const FDynamicMesh3& Mesh, const IDynamicMeshCommitter::FDynamicMeshCommitInfo& CommitInfo)
|
|
{
|
|
FConversionToMeshDescriptionOptions ConversionOptions;
|
|
ConversionOptions.bSetPolyGroups = CommitInfo.bPolygroupsChanged;
|
|
ConversionOptions.bUpdatePositions = CommitInfo.bPositionsChanged;
|
|
ConversionOptions.bUpdateNormals = CommitInfo.bNormalsChanged;
|
|
ConversionOptions.bUpdateTangents = CommitInfo.bTangentsChanged;
|
|
ConversionOptions.bUpdateUVs = CommitInfo.bUVsChanged;
|
|
ConversionOptions.bUpdateVtxColors = CommitInfo.bVertexColorsChanged;
|
|
ConversionOptions.bTransformVtxColorsSRGBToLinear = CommitInfo.bTransformVertexColorsSRGBToLinear;
|
|
|
|
FDynamicMeshToMeshDescription Converter(ConversionOptions);
|
|
Converter.SetMaterialIDMapFromInverseMap(MeshDescriptionCommitter.GetPolygonGroupToMaterialIndexMap());
|
|
if (!CommitInfo.bTopologyChanged)
|
|
{
|
|
Converter.UpdateUsingConversionOptions(&Mesh, CurrentMeshDescription);
|
|
}
|
|
else
|
|
{
|
|
// Do a full conversion.
|
|
Converter.Convert(&Mesh, CurrentMeshDescription);
|
|
}
|
|
|
|
MeshDescriptionCommitter.CommitMeshDescription(MoveTemp(CurrentMeshDescription));
|
|
} |