Ejemplo n.º 1
0
UObject* UFbxFactory::FactoryCreateBinary
(
 UClass*			Class,
 UObject*			InParent,
 FName				Name,
 EObjectFlags		Flags,
 UObject*			Context,
 const TCHAR*		Type,
 const uint8*&		Buffer,
 const uint8*		BufferEnd,
 FFeedbackContext*	Warn,
 bool&				bOutOperationCanceled
 )
{
	if( bOperationCanceled )
	{
		bOutOperationCanceled = true;
		FEditorDelegates::OnAssetPostImport.Broadcast(this, NULL);
		return NULL;
	}

	FEditorDelegates::OnAssetPreImport.Broadcast(this, Class, InParent, Name, Type);

	UObject* NewObject = NULL;

	if ( bDetectImportTypeOnImport )
	{
		if ( !DetectImportType(UFactory::CurrentFilename) )
		{
			// Failed to read the file info, fail the import
			FEditorDelegates::OnAssetPostImport.Broadcast(this, NULL);
			return NULL;
		}
	}
	// logger for all error/warnings
	// this one prints all messages that are stored in FFbxImporter
	UnFbx::FFbxImporter* FbxImporter = UnFbx::FFbxImporter::GetInstance();
	
	UnFbx::FFbxLoggerSetter Logger(FbxImporter);

	EFBXImportType ForcedImportType = FBXIT_StaticMesh;

	bool bIsObjFormat = false;
	if( FString(Type).Equals(TEXT("obj"), ESearchCase::IgnoreCase ) )
	{
		bIsObjFormat = true;
	}


	bool bShowImportDialog = bShowOption && !GIsAutomationTesting;
	bool bImportAll = false;
	UnFbx::FBXImportOptions* ImportOptions = GetImportOptions(FbxImporter, ImportUI, bShowImportDialog, InParent->GetPathName(), bOperationCanceled, bImportAll, bIsObjFormat, bIsObjFormat, ForcedImportType );
	bOutOperationCanceled = bOperationCanceled;
	
	if( bImportAll )
	{
		// If the user chose to import all, we don't show the dialog again and use the same settings for each object until importing another set of files
		bShowOption = false;
	}

	// For multiple files, use the same settings
	bDetectImportTypeOnImport = false;

	if (ImportOptions)
	{
		Warn->BeginSlowTask( NSLOCTEXT("FbxFactory", "BeginImportingFbxMeshTask", "Importing FBX mesh"), true );
		if ( !FbxImporter->ImportFromFile( *UFactory::CurrentFilename, Type ) )
		{
			// Log the error message and fail the import.
			Warn->Log(ELogVerbosity::Error, FbxImporter->GetErrorMessage() );
		}
		else
		{
			// Log the import message and import the mesh.
			const TCHAR* errorMessage = FbxImporter->GetErrorMessage();
			if (errorMessage[0] != '\0')
			{
				Warn->Log( errorMessage );
			}

			FbxNode* RootNodeToImport = NULL;
			RootNodeToImport = FbxImporter->Scene->GetRootNode();

			// For animation and static mesh we assume there is at lease one interesting node by default
			int32 InterestingNodeCount = 1;
			TArray< TArray<FbxNode*>* > SkelMeshArray;

			bool bImportStaticMeshLODs = ImportUI->StaticMeshImportData->bImportMeshLODs;
			bool bCombineMeshes = ImportUI->bCombineMeshes;

			if ( ImportUI->MeshTypeToImport == FBXIT_SkeletalMesh )
			{
				FbxImporter->FillFbxSkelMeshArrayInScene(RootNodeToImport, SkelMeshArray, false);
				InterestingNodeCount = SkelMeshArray.Num();
			}
			else if( ImportUI->MeshTypeToImport == FBXIT_StaticMesh )
			{
				FbxImporter->ApplyTransformSettingsToFbxNode(RootNodeToImport, ImportUI->StaticMeshImportData);

				if( bCombineMeshes && !bImportStaticMeshLODs )
				{
					// If Combine meshes and dont import mesh LODs, the interesting node count should be 1 so all the meshes are grouped together into one static mesh
					InterestingNodeCount = 1;
				}
				else
				{
					// count meshes in lod groups if we dont care about importing LODs
					bool bCountLODGroupMeshes = !bImportStaticMeshLODs;
					int32 NumLODGroups = 0;
					InterestingNodeCount = FbxImporter->GetFbxMeshCount(RootNodeToImport,bCountLODGroupMeshes,NumLODGroups);

					// if there were LODs in the file, do not combine meshes even if requested
					if( bImportStaticMeshLODs && bCombineMeshes )
					{
						bCombineMeshes = NumLODGroups == 0;
					}
				}
			}

		
			if (InterestingNodeCount > 1)
			{
				// the option only works when there are only one asset
				ImportOptions->bUsedAsFullName = false;
			}

			const FString Filename( UFactory::CurrentFilename );
			if (RootNodeToImport && InterestingNodeCount > 0)
			{  
				int32 NodeIndex = 0;

				int32 ImportedMeshCount = 0;
				UStaticMesh* NewStaticMesh = NULL;
				if ( ImportUI->MeshTypeToImport == FBXIT_StaticMesh )  // static mesh
				{
					if (bCombineMeshes)
					{
						TArray<FbxNode*> FbxMeshArray;
						FbxImporter->FillFbxMeshArray(RootNodeToImport, FbxMeshArray, FbxImporter);
						if (FbxMeshArray.Num() > 0)
						{
							NewStaticMesh = FbxImporter->ImportStaticMeshAsSingle(InParent, FbxMeshArray, Name, Flags, ImportUI->StaticMeshImportData, NULL, 0);
						}

						ImportedMeshCount = NewStaticMesh ? 1 : 0;
					}
					else
					{
						TArray<UObject*> AllNewAssets;
						UObject* Object = RecursiveImportNode(FbxImporter,RootNodeToImport,InParent,Name,Flags,NodeIndex,InterestingNodeCount, AllNewAssets);

						NewStaticMesh = Cast<UStaticMesh>( Object );

						// Make sure to notify the asset registry of all assets created other than the one returned, which will notify the asset registry automatically.
						for ( auto AssetIt = AllNewAssets.CreateConstIterator(); AssetIt; ++AssetIt )
						{
							UObject* Asset = *AssetIt;
							if ( Asset != NewStaticMesh )
							{
								FAssetRegistryModule::AssetCreated(Asset);
								Asset->MarkPackageDirty();
							}
						}

						ImportedMeshCount = AllNewAssets.Num();
					}

					// Importing static mesh sockets only works if one mesh is being imported
					if( ImportedMeshCount == 1 && NewStaticMesh )
					{
						FbxImporter->ImportStaticMeshSockets( NewStaticMesh );
					}

					NewObject = NewStaticMesh;

				}
				else if ( ImportUI->MeshTypeToImport == FBXIT_SkeletalMesh )// skeletal mesh
				{
					int32 TotalNumNodes = 0;

					for (int32 i = 0; i < SkelMeshArray.Num(); i++)
					{
						TArray<FbxNode*> NodeArray = *SkelMeshArray[i];
					
						TotalNumNodes += NodeArray.Num();
						// check if there is LODGroup for this skeletal mesh
						int32 MaxLODLevel = 1;
						for (int32 j = 0; j < NodeArray.Num(); j++)
						{
							FbxNode* Node = NodeArray[j];
							if (Node->GetNodeAttribute() && Node->GetNodeAttribute()->GetAttributeType() == FbxNodeAttribute::eLODGroup)
							{
								// get max LODgroup level
								if (MaxLODLevel < Node->GetChildCount())
								{
									MaxLODLevel = Node->GetChildCount();
								}
							}
						}
					
						int32 LODIndex;
						bool bImportSkeletalMeshLODs = ImportUI->SkeletalMeshImportData->bImportMeshLODs;
						for (LODIndex = 0; LODIndex < MaxLODLevel; LODIndex++)
						{
							if ( !bImportSkeletalMeshLODs && LODIndex > 0) // not import LOD if UI option is OFF
							{
								break;
							}
						
							TArray<FbxNode*> SkelMeshNodeArray;
							for (int32 j = 0; j < NodeArray.Num(); j++)
							{
								FbxNode* Node = NodeArray[j];
								if (Node->GetNodeAttribute() && Node->GetNodeAttribute()->GetAttributeType() == FbxNodeAttribute::eLODGroup)
								{
									if (Node->GetChildCount() > LODIndex)
									{
										SkelMeshNodeArray.Add(Node->GetChild(LODIndex));
									}
									else // in less some LODGroups have less level, use the last level
									{
										SkelMeshNodeArray.Add(Node->GetChild(Node->GetChildCount() - 1));
									}
								}
								else
								{
									SkelMeshNodeArray.Add(Node);
								}
							}
						
							if (LODIndex == 0 && SkelMeshNodeArray.Num() != 0)
							{
								FName OutputName = FbxImporter->MakeNameForMesh(Name.ToString(), SkelMeshNodeArray[0]);

								USkeletalMesh* NewMesh = FbxImporter->ImportSkeletalMesh( InParent, SkelMeshNodeArray, OutputName, Flags, ImportUI->SkeletalMeshImportData, &bOperationCanceled );
								NewObject = NewMesh;

								if(bOperationCanceled)
								{
									// User cancelled, clean up and return
									FbxImporter->ReleaseScene();
									Warn->EndSlowTask();
									bOperationCanceled = true;
									return nullptr;
								}

								if ( NewMesh && ImportUI->bImportAnimations )
								{
									// We need to remove all scaling from the root node before we set up animation data.
									// Othewise some of the global transform calculations will be incorrect.
									FbxImporter->RemoveTransformSettingsFromFbxNode(RootNodeToImport, ImportUI->SkeletalMeshImportData);
									FbxImporter->SetupAnimationDataFromMesh(NewMesh, InParent, SkelMeshNodeArray, ImportUI->AnimSequenceImportData, OutputName.ToString());

									// Reapply the transforms for the rest of the import
									FbxImporter->ApplyTransformSettingsToFbxNode(RootNodeToImport, ImportUI->SkeletalMeshImportData);
								}
							}
							else if (NewObject) // the base skeletal mesh is imported successfully
							{
								USkeletalMesh* BaseSkeletalMesh = Cast<USkeletalMesh>(NewObject);
								FName LODObjectName = NAME_None;
								USkeletalMesh *LODObject = FbxImporter->ImportSkeletalMesh( GetTransientPackage(), SkelMeshNodeArray, LODObjectName, RF_NoFlags, ImportUI->SkeletalMeshImportData, &bOperationCanceled );
								bool bImportSucceeded = !bOperationCanceled && FbxImporter->ImportSkeletalMeshLOD(LODObject, BaseSkeletalMesh, LODIndex, false);

								if (bImportSucceeded)
								{
									BaseSkeletalMesh->LODInfo[LODIndex].ScreenSize = 1.0f / (MaxLODLevel * LODIndex);
								}
								else
								{
									FbxImporter->AddTokenizedErrorMessage(FTokenizedMessage::Create(EMessageSeverity::Error, LOCTEXT("FailedToImport_SkeletalMeshLOD", "Failed to import Skeletal mesh LOD.")), FFbxErrors::SkeletalMesh_LOD_FailedToImport);
								}
							}
						
							// import morph target
							if ( NewObject && ImportUI->SkeletalMeshImportData->bImportMorphTargets)
							{
								// Disable material importing when importing morph targets
								uint32 bImportMaterials = ImportOptions->bImportMaterials;
								ImportOptions->bImportMaterials = 0;

								FbxImporter->ImportFbxMorphTarget(SkelMeshNodeArray, Cast<USkeletalMesh>(NewObject), InParent, LODIndex);
							
								ImportOptions->bImportMaterials = !!bImportMaterials;
							}
						}
					
						if (NewObject)
						{
							NodeIndex++;
							FFormatNamedArguments Args;
							Args.Add( TEXT("NodeIndex"), NodeIndex );
							Args.Add( TEXT("ArrayLength"), SkelMeshArray.Num() );
							GWarn->StatusUpdate( NodeIndex, SkelMeshArray.Num(), FText::Format( NSLOCTEXT("UnrealEd", "Importingf", "Importing ({NodeIndex} of {ArrayLength})"), Args ) );
						}
					}
				
					for (int32 i = 0; i < SkelMeshArray.Num(); i++)
					{
						delete SkelMeshArray[i];
					}
					
					// if total nodes we found is 0, we didn't find anything. 
					if (TotalNumNodes == 0)
					{
						FbxImporter->AddTokenizedErrorMessage(FTokenizedMessage::Create(EMessageSeverity::Error, LOCTEXT("FailedToImport_NoMeshFoundOnRoot", "Could not find any valid mesh on the root hierarchy. If you have mesh in the sub hierarchy, please enable option of [Import Meshes In Bone Hierarchy] when import.")), 
							FFbxErrors::SkeletalMesh_NoMeshFoundOnRoot);
					}
				}
				else if ( ImportUI->MeshTypeToImport == FBXIT_Animation )// animation
				{
					if (ImportOptions->SkeletonForAnimation)
					{
						// will return the last animation sequence that were added
						NewObject = UEditorEngine::ImportFbxAnimation( ImportOptions->SkeletonForAnimation, InParent, ImportUI->AnimSequenceImportData, *Filename, *Name.ToString(), true );
					}
				}
			}
			else
			{
				if (RootNodeToImport == NULL)
				{
					FbxImporter->AddTokenizedErrorMessage(FTokenizedMessage::Create(EMessageSeverity::Error, LOCTEXT("FailedToImport_InvalidRoot", "Could not find root node.")), FFbxErrors::SkeletalMesh_InvalidRoot);
				}
				else if (ImportUI->MeshTypeToImport == FBXIT_SkeletalMesh)
				{
					FbxImporter->AddTokenizedErrorMessage(FTokenizedMessage::Create(EMessageSeverity::Error, LOCTEXT("FailedToImport_InvalidBone", "Failed to find any bone hierarchy. Try disabling the \"Import As Skeletal\" option to import as a rigid mesh. ")), FFbxErrors::SkeletalMesh_InvalidBone);
				}
				else
				{
					FbxImporter->AddTokenizedErrorMessage(FTokenizedMessage::Create(EMessageSeverity::Error, LOCTEXT("FailedToImport_InvalidNode", "Could not find any node.")), FFbxErrors::SkeletalMesh_InvalidNode);
				}
			}
		}

		if (NewObject == NULL)
		{
			FbxImporter->AddTokenizedErrorMessage(FTokenizedMessage::Create(EMessageSeverity::Error, LOCTEXT("FailedToImport_NoObject", "Import failed.")), FFbxErrors::Generic_ImportingNewObjectFailed);
		}

		FbxImporter->ReleaseScene();
		Warn->EndSlowTask();
	}

	FEditorDelegates::OnAssetPostImport.Broadcast(this, NewObject);

	return NewObject;
}
EReimportResult::Type UReimportFbxSceneFactory::Reimport(UObject* Obj)
{
	ReimportData = GetFbxSceneImportData(Obj);
	if (!ReimportData)
	{
		return EReimportResult::Failed;
	}

	//We will call other factory store the filename value since UFactory::CurrentFilename is static
	FbxImportFileName = ReimportData->SourceFbxFile;

	UnFbx::FFbxImporter* FbxImporter = UnFbx::FFbxImporter::GetInstance();
	UnFbx::FFbxLoggerSetter Logger(FbxImporter);
	GWarn->BeginSlowTask(NSLOCTEXT("FbxSceneReImportFactory", "BeginReImportingFbxSceneTask", "ReImporting FBX scene"), true);

	GlobalImportSettings = FbxImporter->GetImportOptions();

	//Fill the original options
	for (auto kvp : ReimportData->NameOptionsMap)
	{
		if (kvp.Key.Compare(DefaultOptionName) == 0)
		{
			SFbxSceneOptionWindow::CopyFbxOptionsToFbxOptions(kvp.Value, GlobalImportSettings);
			NameOptionsMap.Add(kvp.Key, GlobalImportSettings);
		}
		else
		{
			NameOptionsMap.Add(kvp.Key, kvp.Value);
		}
	}

	//Always convert the scene
	GlobalImportSettings->bConvertScene = true;
	GlobalImportSettings->bImportScene = ReimportData->bImportScene;

	//Read the fbx and store the hierarchy's information so we can reuse it after importing all the model in the fbx file
	if (!FbxImporter->ImportFromFile(*FbxImportFileName, FPaths::GetExtension(FbxImportFileName)))
	{
		// Log the error message and fail the import.
		GWarn->Log(ELogVerbosity::Error, FbxImporter->GetErrorMessage());
		FbxImporter->ReleaseScene();
		FbxImporter = nullptr;
		GWarn->EndSlowTask();
		return EReimportResult::Failed;
	}

	FString PackageName = "";
	Obj->GetOutermost()->GetName(PackageName);
	Path = FPaths::GetPath(PackageName);

	UnFbx::FbxSceneInfo SceneInfo;
	//Read the scene and found all instance with their scene information.
	FbxImporter->GetSceneInfo(FbxImportFileName, SceneInfo);

	//Convert old structure to the new scene export structure
	TSharedPtr<FFbxSceneInfo> SceneInfoPtr = ConvertSceneInfo(&SceneInfo);
	//Get import material info
	ExtractMaterialInfo(FbxImporter, SceneInfoPtr);

	if (!ReimportData->bCreateFolderHierarchy)
	{
		for (TSharedPtr<FFbxMeshInfo> MeshInfo : SceneInfoPtr->MeshInfo)
		{
			FString AssetName = Path + TEXT("/") + MeshInfo->Name;
			MeshInfo->SetOriginalImportPath(AssetName);
			FString OriginalFullImportName = PackageTools::SanitizePackageName(AssetName);
			OriginalFullImportName = OriginalFullImportName + TEXT(".") + PackageTools::SanitizePackageName(MeshInfo->Name);
			MeshInfo->SetOriginalFullImportName(OriginalFullImportName);
		}
	}
	else
	{
		TSet<uint64> AssetPathDone;
		FString AssetPath = Path;
		for (TSharedPtr<FFbxNodeInfo> NodeInfo : SceneInfoPtr->HierarchyInfo)
		{
			//Iterate the hierarchy and build the original path
			RecursivelyCreateOriginalPath(FbxImporter, NodeInfo, AssetPath, AssetPathDone);
		}
	}

	FillSceneHierarchyPath(SceneInfoPtr);

	FbxSceneReimportStatusMap MeshStatusMap;
	FbxSceneReimportStatusMap NodeStatusMap;
	bool bCanReimportHierarchy = ReimportData->HierarchyType == (int32)EFBXSceneOptionsCreateHierarchyType::FBXSOCHT_CreateBlueprint && !ReimportData->BluePrintFullName.IsEmpty();

	if (!GetFbxSceneReImportOptions(FbxImporter
		, SceneInfoPtr
		, ReimportData->SceneInfoSourceData
		, GlobalImportSettings
		, SceneImportOptions
		, SceneImportOptionsStaticMesh
		, NameOptionsMap
		, MeshStatusMap
		, NodeStatusMap
		, bCanReimportHierarchy
		, Path))
	{
		//User cancel the scene import
		FbxImporter->ReleaseScene();
		FbxImporter = nullptr;
		GlobalImportSettings = nullptr;
		GWarn->EndSlowTask();
		return EReimportResult::Cancelled;
	}
	
	GlobalImportSettingsReference = new UnFbx::FBXImportOptions();
	SFbxSceneOptionWindow::CopyFbxOptionsToFbxOptions(GlobalImportSettings, GlobalImportSettingsReference);

	//Overwrite the reimport asset data with the new data
	ReimportData->SceneInfoSourceData = SceneInfoPtr;
	ReimportData->SourceFbxFile = FPaths::ConvertRelativePathToFull(FbxImportFileName);
	ReimportData->bImportScene = GlobalImportSettingsReference->bImportScene;
	//Copy the options map
	ReimportData->NameOptionsMap.Reset();
	for (auto kvp : NameOptionsMap)
	{
		ReimportData->NameOptionsMap.Add(kvp.Key, kvp.Value);
	}

	FAssetRegistryModule& AssetRegistryModule = FModuleManager::LoadModuleChecked<FAssetRegistryModule>("AssetRegistry");
	TArray<FAssetData> AssetDataToDelete;
	for (TSharedPtr<FFbxMeshInfo> MeshInfo : SceneInfoPtr->MeshInfo)
	{
		//Delete all the delete asset
		if (!MeshStatusMap.Contains(MeshInfo->OriginalImportPath))
		{
			continue;
		}
		EFbxSceneReimportStatusFlags MeshStatus = *(MeshStatusMap.Find(MeshInfo->OriginalImportPath));
		if ((MeshStatus & EFbxSceneReimportStatusFlags::Removed) == EFbxSceneReimportStatusFlags::None || (MeshStatus & EFbxSceneReimportStatusFlags::ReimportAsset) == EFbxSceneReimportStatusFlags::None)
		{
			continue;
		}
		//Make sure we load all package that will be deleted
		UPackage* PkgExist = LoadPackage(nullptr, *(MeshInfo->GetImportPath()), LOAD_Verify | LOAD_NoWarn);
		if (PkgExist == nullptr)
		{
			continue;
		}
		PkgExist->FullyLoad();
		//Find the asset
		AssetDataToDelete.Add(AssetRegistryModule.Get().GetAssetByObjectPath(FName(*(MeshInfo->GetFullImportName()))));
	}

	AllNewAssets.Empty();
	AssetToSyncContentBrowser.Empty();
	EReimportResult::Type ReimportResult = EReimportResult::Succeeded;
	//Reimport and add asset
	for (TSharedPtr<FFbxMeshInfo> MeshInfo : SceneInfoPtr->MeshInfo)
	{
		if (!MeshStatusMap.Contains(MeshInfo->OriginalImportPath))
		{
			continue;
		}
		EFbxSceneReimportStatusFlags MeshStatus = *(MeshStatusMap.Find(MeshInfo->OriginalImportPath));
		
		//Set the import status for the next reimport
		MeshInfo->bImportAttribute = (MeshStatus & EFbxSceneReimportStatusFlags::ReimportAsset) != EFbxSceneReimportStatusFlags::None;
		
		if ((MeshStatus & EFbxSceneReimportStatusFlags::Removed) != EFbxSceneReimportStatusFlags::None ||
			(MeshStatus & EFbxSceneReimportStatusFlags::ReimportAsset) == EFbxSceneReimportStatusFlags::None)
		{
			continue;
		}

		if (((MeshStatus & EFbxSceneReimportStatusFlags::Same) != EFbxSceneReimportStatusFlags::None || (MeshStatus & EFbxSceneReimportStatusFlags::Added) != EFbxSceneReimportStatusFlags::None) &&
			(MeshStatus & EFbxSceneReimportStatusFlags::FoundContentBrowserAsset) != EFbxSceneReimportStatusFlags::None)
		{
			//Reimport over the old asset
			if (!MeshInfo->bIsSkelMesh)
			{
				ReimportResult = ReimportStaticMesh(FbxImporter, MeshInfo);
			}
			else
			{
				//TODO reimport skeletal mesh
			}
		}
		else if ((MeshStatus & EFbxSceneReimportStatusFlags::Added) != EFbxSceneReimportStatusFlags::None || (MeshStatus & EFbxSceneReimportStatusFlags::Same) != EFbxSceneReimportStatusFlags::None)
		{
			//Create a package for this node
			//Get Parent hierarchy name to create new package path
			ReimportResult = ImportStaticMesh(FbxImporter, MeshInfo, SceneInfoPtr);
		}
	}

	//Put back the default option in the static mesh import data, so next import will have those last import option
	SFbxSceneOptionWindow::CopyFbxOptionsToFbxOptions(GlobalImportSettingsReference, GlobalImportSettings);
	SFbxSceneOptionWindow::CopyFbxOptionsToStaticMeshOptions(GlobalImportSettingsReference, SceneImportOptionsStaticMesh);
	SceneImportOptionsStaticMesh->FillStaticMeshInmportData(StaticMeshImportData, SceneImportOptions);
	StaticMeshImportData->SaveConfig();

	//Update the blueprint
	UBlueprint *ReimportBlueprint = nullptr;
	if (bCanReimportHierarchy && GlobalImportSettingsReference->bImportScene)
	{
		ReimportBlueprint = UpdateOriginalBluePrint(ReimportData->BluePrintFullName, &NodeStatusMap, SceneInfoPtr, ReimportData->SceneInfoSourceData, AssetDataToDelete);
	}

	//Remove the deleted meshinfo node from the reimport data
	TArray<TSharedPtr<FFbxMeshInfo>> ToRemoveHierarchyNode;
	for (TSharedPtr<FFbxMeshInfo> MeshInfo : ReimportData->SceneInfoSourceData->MeshInfo)
	{
		EFbxSceneReimportStatusFlags MeshStatus = *(MeshStatusMap.Find(MeshInfo->OriginalImportPath));
		if ((MeshStatus & EFbxSceneReimportStatusFlags::Removed) != EFbxSceneReimportStatusFlags::None)
		{
			ToRemoveHierarchyNode.Add(MeshInfo);
		}
	}
	for (TSharedPtr<FFbxMeshInfo> MeshInfo : ToRemoveHierarchyNode)
	{
		ReimportData->SceneInfoSourceData->MeshInfo.Remove(MeshInfo);
	}
	ReimportData->Modify();
	ReimportData->PostEditChange();
	
	//Make sure the content browser is in sync before we delete
	FContentBrowserModule& ContentBrowserModule = FModuleManager::Get().LoadModuleChecked<FContentBrowserModule>("ContentBrowser");
	ContentBrowserModule.Get().SyncBrowserToAssets(AssetToSyncContentBrowser);

	if (AssetDataToDelete.Num() > 0)
	{
		bool AbortDelete = false;
		if (ReimportBlueprint != nullptr)
		{
			//Save the blueprint to avoid reference from the old blueprint
			FAssetData ReimportBlueprintAsset(ReimportBlueprint);
			TArray<UPackage*> Packages;
			Packages.Add(ReimportBlueprintAsset.GetPackage());
			FEditorFileUtils::PromptForCheckoutAndSave(Packages, false, false);

			//Make sure the Asset registry is up to date after the save
			TArray<FString> Paths;
			Paths.Add(ReimportBlueprintAsset.PackagePath.ToString());
			AssetRegistryModule.Get().ScanPathsSynchronous(Paths, true);
		}

		if (!AbortDelete)
		{
			//Delete the asset and use the normal dialog to make sure the user understand he will remove some content
			//The user can decide to cancel the delete or not. This will not interrupt the reimport process
			//The delete is done at the end because we want to remove the blueprint reference before deleting object
			ObjectTools::DeleteAssets(AssetDataToDelete, true);
		}
	}
	//Make sure the content browser is in sync
	ContentBrowserModule.Get().SyncBrowserToAssets(AssetToSyncContentBrowser);
	
	AllNewAssets.Empty();
	
	GlobalImportSettings = nullptr;
	GlobalImportSettingsReference = nullptr;

	FbxImporter->ReleaseScene();
	FbxImporter = nullptr;
	GWarn->EndSlowTask();
	return EReimportResult::Succeeded;
}