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Add support for submitting multiple UV channels to render buffers in UBaseDynamicMeshSceneProxy and USimpleDynamicMeshSceneProxy (currently not supported if there is a mesh decomposition, and not supported in fast UV updates). Add support for visualizing different UV channels in UExistingMeshMaterialProperties. Add UMeshUVChannelProperties property set for selecting from available UV channels. Add support for arbitrary UV channels in ParameterizeMeshTool and UVLayoutTool/Op. #rb jimmy.andrews #rnx #jira none [CL 15281295 by Ryan Schmidt in ue5-main branch]
71 lines
1.8 KiB
C++
71 lines
1.8 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "Properties/MeshUVChannelProperties.h"
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#include "DynamicMesh3.h"
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#include "DynamicMeshAttributeSet.h"
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#include "MeshDescription.h"
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#include "StaticMeshAttributes.h"
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#include "StaticMeshOperations.h"
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void UMeshUVChannelProperties::Initialize(int32 NumUVChannels, bool bInitializeSelection)
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{
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UVChannelNamesList.Reset();
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for (int32 k = 0; k < NumUVChannels; ++k)
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{
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UVChannelNamesList.Add(FString::Printf(TEXT("UV%d"), k));
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}
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if (bInitializeSelection)
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{
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UVChannel = (NumUVChannels > 0) ? UVChannelNamesList[0] : TEXT("");
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}
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}
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const TArray<FString>& UMeshUVChannelProperties::GetUVChannelNamesFunc()
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{
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return UVChannelNamesList;
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}
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void UMeshUVChannelProperties::Initialize(const FMeshDescription* MeshDescription, bool bInitializeSelection)
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{
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TVertexInstanceAttributesConstRef<FVector2D> InstanceUVs =
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MeshDescription->VertexInstanceAttributes().GetAttributesRef<FVector2D>(MeshAttribute::VertexInstance::TextureCoordinate);
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Initialize(InstanceUVs.GetNumChannels(), bInitializeSelection);
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}
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void UMeshUVChannelProperties::Initialize(const FDynamicMesh3* Mesh, bool bInitializeSelection)
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{
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int32 NumUVChannels = Mesh->HasAttributes() ? Mesh->Attributes()->NumUVLayers() : 0;
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Initialize(NumUVChannels, bInitializeSelection);
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}
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bool UMeshUVChannelProperties::ValidateSelection(bool bUpdateIfInvalid)
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{
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int32 FoundIndex = UVChannelNamesList.IndexOfByKey(UVChannel);
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if (FoundIndex == INDEX_NONE)
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{
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if (bUpdateIfInvalid)
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{
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UVChannel = (UVChannelNamesList.Num() > 0) ? UVChannelNamesList[0] : TEXT("");
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}
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return false;
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}
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return true;
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}
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int32 UMeshUVChannelProperties::GetSelectedChannelIndex(bool bForceToZeroOnFailure)
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{
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int32 FoundIndex = UVChannelNamesList.IndexOfByKey(UVChannel);
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if (FoundIndex == INDEX_NONE)
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{
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return (bForceToZeroOnFailure ) ? 0 : -1;
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}
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return FoundIndex;
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} |