ModelingComponents: Clean up DynamicMeshComponent API. Update Component and Proxy handling of Tangents to use Attribute Overlay if available. Update affected Tools and also convert most of the affected Tools to use UE::ToolTarget helper functions.

mirror of https://github.com/izzy2lost/UnrealEngineUWP.git synced 2026-03-26 18:15:20 -07:00

- Add UE::ToolTarget::CommitMaterialSetUpdate() and ::CommitDynamicMeshUpdate(). ::GetDynamicMeshCopy() can now return tangents if requested.
- Add IMeshDescriptionProvider::CalculateAutoGeneratedAttributes(). Default implementation does nothing, UStaticMeshComponentToolTarget implementation initializes auto-generated MeshDescription attributes. Used in ::GetDynamicMeshCopy() to get tangents (but requires a MeshDescription copy).
- Clean up handling of Tangents in Simple/OctreeDynamicMeshComponent. Add local MakeTangentsFunc() to generate the Tangents lambda, handle different cases and no-tangents fallbacks consistently.
- UDynamicMesh: add optional info arguments to EditMesh() and ChangeInfo struct. Add support for deferring change events from Edit funcs.
- Remove UBaseDynamicMeshComponent::InitializeMesh(), ::Bake() APIs, and add ::SetMesh(). Implement in Simple/Octree implementations, update all Tools that used those APIs.
- Add USimpleDynamicMeshComponent::ProcessMesh(), EditMesh(). These are now the preferred ways to read/write mesh.
- Update USimpleDynamicMeshComponent tangents handling. Externally-computed tangents are now taken directly from the FDynamicMesh3 attribute set. Autogenerated tangents are still computed and stored in an internal FMeshTangentsf, but this is no longer exposed for external updates.
- Remove UPreviewMesh pass-through functions for Tangents access, InitializeMesh() and Bake(). Add ProcessMesh()
- Update all affected Tools. In most cases these Tools have also been converted to use ModelingToolTargetUtil functions, instead of direct ToolTarget interface casting.

#rb none
#rnx
#jira none
#preflight 60c3e71d3e1b3c00015668af

[CL 16650666 by Ryan Schmidt in ue5-main branch]

This commit is contained in:

Ryan Schmidt

2021-06-11 22:39:18 -04:00

parent 5cd66f25df

commit fdf11b67d2

60 changed files with 793 additions and 845 deletions

									
										Engine/Plugins/Experimental/MeshModelingToolset/Source/ModelingComponents/Private/BaseTools/BaseMeshProcessingTool.cpp
									
		+1
		-1
	
												View File
												
				@@ -142,7 +142,7 @@ void UBaseMeshProcessingTool::Setup()

					// Construct the preview object and set the material on it.

					Preview = NewObject<UMeshOpPreviewWithBackgroundCompute>(this, "Preview");

					Preview->Setup(this->TargetWorld, this); // Adds the actual functional tool in the Preview object

					Preview->PreviewMesh->SetTangentsMode(EDynamicMeshTangentCalcType::AutoCalculated);

					Preview->PreviewMesh->SetTangentsMode(EDynamicMeshComponentTangentsMode::AutoCalculated);

					FComponentMaterialSet MaterialSet;

					Cast<IMaterialProvider>(Target)->GetMaterialSet(MaterialSet);