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#rb ryan.schmidt michael.balzer #rnx #jira none #preflight 61f435dd74510448a6865d14 #ROBOMERGE-AUTHOR: lonnie.li #ROBOMERGE-SOURCE: CL 18777332 in //UE5/Release-5.0/... via CL 18780413 via CL 18780555 #ROBOMERGE-BOT: UE5 (Release-Engine-Test -> Main) (v903-18687472) [CL 18780558 by lonnie li in ue5-main branch]
139 lines
4.3 KiB
C++
139 lines
4.3 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "ConvertMeshesTool.h"
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#include "ComponentSourceInterfaces.h"
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#include "InteractiveToolManager.h"
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#include "ToolTargetManager.h"
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#include "ToolBuilderUtil.h"
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#include "ToolSetupUtil.h"
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#include "ModelingToolTargetUtil.h"
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#include "ModelingObjectsCreationAPI.h"
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#include "Selection/ToolSelectionUtil.h"
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#include "TargetInterfaces/MeshDescriptionProvider.h"
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#include "TargetInterfaces/PrimitiveComponentBackedTarget.h"
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using namespace UE::Geometry;
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#define LOCTEXT_NAMESPACE "UConvertMeshesTool"
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/*
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* ToolBuilder
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*/
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const FToolTargetTypeRequirements& UConvertMeshesToolBuilder::GetTargetRequirements() const
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{
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static FToolTargetTypeRequirements TypeRequirements({
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UMaterialProvider::StaticClass(),
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UMeshDescriptionProvider::StaticClass(),
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UPrimitiveComponentBackedTarget::StaticClass()
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});
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return TypeRequirements;
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}
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UMultiSelectionMeshEditingTool* UConvertMeshesToolBuilder::CreateNewTool(const FToolBuilderState& SceneState) const
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{
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return NewObject<UConvertMeshesTool>(SceneState.ToolManager);
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}
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/*
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* Tool
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*/
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void UConvertMeshesTool::Setup()
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{
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UInteractiveTool::Setup();
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OutputTypeProperties = NewObject<UCreateMeshObjectTypeProperties>(this);
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OutputTypeProperties->RestoreProperties(this, TEXT("ConvertMeshesTool"));
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OutputTypeProperties->InitializeDefault();
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OutputTypeProperties->WatchProperty(OutputTypeProperties->OutputType, [this](FString) { OutputTypeProperties->UpdatePropertyVisibility(); });
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AddToolPropertySource(OutputTypeProperties);
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BasicProperties = NewObject<UConvertMeshesToolProperties>(this);
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BasicProperties->RestoreProperties(this);
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AddToolPropertySource(BasicProperties);
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SetToolDisplayName(LOCTEXT("ToolName", "Convert"));
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GetToolManager()->DisplayMessage(
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LOCTEXT("OnStartTool", "Convert Meshes to a different Mesh Object type"),
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EToolMessageLevel::UserNotification);
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}
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bool UConvertMeshesTool::CanAccept() const
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{
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return Super::CanAccept();
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}
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void UConvertMeshesTool::OnShutdown(EToolShutdownType ShutdownType)
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{
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OutputTypeProperties->SaveProperties(this, TEXT("ConvertMeshesTool"));
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BasicProperties->SaveProperties(this);
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if (ShutdownType == EToolShutdownType::Accept)
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{
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GetToolManager()->BeginUndoTransaction(LOCTEXT("ConvertMeshesToolTransactionName", "Convert Meshes"));
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TArray<AActor*> NewSelectedActors;
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TSet<AActor*> DeleteActors;
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TArray<FCreateMeshObjectParams> NewMeshObjects;
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// Accumulate info for new mesh objects. Do not immediately create them because then
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// the new Actors will get a unique-name incremented suffix, because the convert-from
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// Actors still exist.
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for (int32 k = 0; k < Targets.Num(); ++k)
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{
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AActor* TargetActor = UE::ToolTarget::GetTargetActor(Targets[k]);
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check(TargetActor != nullptr);
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DeleteActors.Add(TargetActor);
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FTransform SourceTransform = (FTransform)UE::ToolTarget::GetLocalToWorldTransform(Targets[k]);
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FDynamicMesh3 SourceMesh = UE::ToolTarget::GetDynamicMeshCopy(Targets[k], true);
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FString AssetName = TargetActor->GetActorNameOrLabel();
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FComponentMaterialSet Materials = UE::ToolTarget::GetMaterialSet(Targets[0]);
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const FComponentMaterialSet* TransferMaterials = (BasicProperties->bTransferMaterials) ? &Materials : nullptr;
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FCreateMeshObjectParams NewMeshObjectParams;
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NewMeshObjectParams.TargetWorld = GetTargetWorld();
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NewMeshObjectParams.Transform = (FTransform)SourceTransform;
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NewMeshObjectParams.BaseName = AssetName;
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if (TransferMaterials != nullptr)
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{
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NewMeshObjectParams.Materials = TransferMaterials->Materials;
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}
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NewMeshObjectParams.SetMesh(MoveTemp(SourceMesh));
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NewMeshObjects.Add(MoveTemp(NewMeshObjectParams));
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}
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// delete all the existing Actors we want to get rid of
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for (AActor* DeleteActor : DeleteActors)
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{
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DeleteActor->Destroy();
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}
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// spawn new mesh objects
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for (FCreateMeshObjectParams& NewMeshObjectParams : NewMeshObjects)
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{
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OutputTypeProperties->ConfigureCreateMeshObjectParams(NewMeshObjectParams);
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FCreateMeshObjectResult Result = UE::Modeling::CreateMeshObject(GetToolManager(), MoveTemp(NewMeshObjectParams));
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if (Result.IsOK())
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{
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NewSelectedActors.Add(Result.NewActor);
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}
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}
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ToolSelectionUtil::SetNewActorSelection(GetToolManager(), NewSelectedActors);
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GetToolManager()->EndUndoTransaction();
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}
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}
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#undef LOCTEXT_NAMESPACE
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