Пример #1
0
void UFbxFactory::CleanUp() 
{
	UnFbx::FFbxImporter* FFbxImporter = UnFbx::FFbxImporter::GetInstance();
	bDetectImportTypeOnImport = true;
	bShowOption = true;
	// load options
	if (FFbxImporter)
	{
		struct UnFbx::FBXImportOptions* ImportOptions = FFbxImporter->GetImportOptions();
		if ( ImportOptions )
		{
			ImportOptions->SkeletonForAnimation = NULL;
			ImportOptions->PhysicsAsset = NULL;
		}
	}
}
Пример #2
0
	void ImportStaticMeshLOD( UStaticMesh* BaseStaticMesh, const FString& Filename, int32 LODLevel )
	{
		UE_LOG(LogExportMeshUtils, Log, TEXT("Fbx LOD loading"));
		// logger for all error/warnings
		// this one prints all messages that are stored in FFbxImporter
		// this function seems to get called outside of FBX factory
		UnFbx::FFbxImporter* FFbxImporter = UnFbx::FFbxImporter::GetInstance();
		UnFbx::FFbxLoggerSetter Logger(FFbxImporter);

		// don't import materials
		UnFbx::FBXImportOptions* ImportOptions = FFbxImporter->GetImportOptions();
		ImportOptions->bImportMaterials = false;
		ImportOptions->bImportTextures = false;

		if ( !FFbxImporter->ImportFromFile( *Filename, FPaths::GetExtension( Filename ) ) )
		{
			// Log the error message and fail the import.
			// @todo verify if the message works
			FFbxImporter->FlushToTokenizedErrorMessage(EMessageSeverity::Error);
		}
		else
		{
			FFbxImporter->FlushToTokenizedErrorMessage(EMessageSeverity::Warning);

			bool bUseLODs = true;
			int32 MaxLODLevel = 0;
			TArray< TArray<FbxNode*>* > LODNodeList;
			TArray<FString> LODStrings;

			// Create a list of LOD nodes
			PopulateFBXStaticMeshLODList(FFbxImporter, FFbxImporter->Scene->GetRootNode(), LODNodeList, MaxLODLevel, bUseLODs);

			// No LODs, so just grab all of the meshes in the file
			if (MaxLODLevel == 0)
			{
				bUseLODs = false;
				MaxLODLevel = BaseStaticMesh->GetNumLODs();

				// Create a list of meshes
				PopulateFBXStaticMeshLODList(FFbxImporter, FFbxImporter->Scene->GetRootNode(), LODNodeList, MaxLODLevel, bUseLODs);

				// Nothing found, error out
				if (LODNodeList.Num() == 0)
				{
					FFbxImporter->AddTokenizedErrorMessage(FTokenizedMessage::Create(EMessageSeverity::Error, FText(LOCTEXT("Prompt_NoMeshFound", "No meshes were found in file."))), FFbxErrors::Generic_Mesh_MeshNotFound);

					FFbxImporter->ReleaseScene();
					return;
				}
			}

			// Display the LOD selection dialog
			if (LODLevel > BaseStaticMesh->GetNumLODs())
			{
				// Make sure they don't manage to select a bad LOD index
				FFbxImporter->AddTokenizedErrorMessage(FTokenizedMessage::Create(EMessageSeverity::Warning, FText::Format(LOCTEXT("Prompt_InvalidLODIndex", "Invalid mesh LOD index {0}, as no prior LOD index exists!"), FText::AsNumber(LODLevel))), FFbxErrors::Generic_Mesh_LOD_InvalidIndex);
			}
			else
			{
				// Import mesh
				UStaticMesh* TempStaticMesh = NULL;
				TempStaticMesh = (UStaticMesh*)FFbxImporter->ImportStaticMeshAsSingle(GetTransientPackage(), *(LODNodeList[bUseLODs? LODLevel: 0]), NAME_None, RF_NoFlags, NULL, BaseStaticMesh, LODLevel);

				// Add imported mesh to existing model
				if( TempStaticMesh )
				{
					// Update mesh component
					BaseStaticMesh->MarkPackageDirty();

					// Import worked
					FNotificationInfo NotificationInfo(FText::GetEmpty());
					NotificationInfo.Text = FText::Format(LOCTEXT("LODImportSuccessful", "Mesh for LOD {0} imported successfully!"), FText::AsNumber(LODLevel));
					NotificationInfo.ExpireDuration = 5.0f;
					FSlateNotificationManager::Get().AddNotification(NotificationInfo);
				}
				else
				{
					// Import failed
					FNotificationInfo NotificationInfo(FText::GetEmpty());
					NotificationInfo.Text = FText::Format(LOCTEXT("LODImportFail", "Failed to import mesh for LOD {0}!"), FText::AsNumber( LODLevel ));
					NotificationInfo.ExpireDuration = 5.0f;
					FSlateNotificationManager::Get().AddNotification(NotificationInfo);
				}
			}

			// Cleanup
			for (int32 i = 0; i < LODNodeList.Num(); ++i)
			{
				delete LODNodeList[i];
			}
		}
		FFbxImporter->ReleaseScene();
	}
Пример #3
0
	void SetImportOption(UFbxImportUI* ImportUI)
	{
		UnFbx::FFbxImporter* FFbxImporter = UnFbx::FFbxImporter::GetInstance();
		UnFbx::FBXImportOptions* ImportOptions = FFbxImporter->GetImportOptions();
		ApplyImportUIToImportOptions(ImportUI, *ImportOptions);
	}
Пример #4
0
	void ImportSkeletalMeshLOD( class USkeletalMesh* SelectedSkelMesh, const FString& Filename, int32 LODLevel )
	{
		// Check the file extension for FBX. Anything that isn't .FBX is rejected
		const FString FileExtension = FPaths::GetExtension(Filename);
		const bool bIsFBX = FCString::Stricmp(*FileExtension, TEXT("FBX")) == 0;

		if (bIsFBX)
		{
#if WITH_APEX_CLOTHING
			FClothingBackup ClothingBackup;

			if(LODLevel == 0)
			{
				ApexClothingUtils::BackupClothingDataFromSkeletalMesh(SelectedSkelMesh, ClothingBackup);
			}
#endif// #if WITH_APEX_CLOTHING

			UnFbx::FFbxImporter* FFbxImporter = UnFbx::FFbxImporter::GetInstance();
			// don't import material and animation
			UnFbx::FBXImportOptions* ImportOptions = FFbxImporter->GetImportOptions();
			ImportOptions->bImportMaterials = false;
			ImportOptions->bImportTextures = false;
			ImportOptions->bImportAnimations = false;

			if ( !FFbxImporter->ImportFromFile( *Filename, FPaths::GetExtension( Filename ) ) )
			{
				// Log the error message and fail the import.
				FFbxImporter->AddTokenizedErrorMessage(FTokenizedMessage::Create(EMessageSeverity::Error, LOCTEXT("FBXImport_ParseFailed", "FBX file parsing failed.")), FFbxErrors::Generic_FBXFileParseFailed);
			}
			else
			{
				bool bUseLODs = true;
				int32 MaxLODLevel = 0;
				TArray< TArray<FbxNode*>* > MeshArray;
				TArray<FString> LODStrings;
				TArray<FbxNode*>* MeshObject = NULL;;

				// Populate the mesh array
				FFbxImporter->FillFbxSkelMeshArrayInScene(FFbxImporter->Scene->GetRootNode(), MeshArray, false);

				// Nothing found, error out
				if (MeshArray.Num() == 0)
				{
					FFbxImporter->AddTokenizedErrorMessage(FTokenizedMessage::Create(EMessageSeverity::Error, LOCTEXT("FBXImport_NoMesh", "No meshes were found in file.")), FFbxErrors::Generic_MeshNotFound);
					FFbxImporter->ReleaseScene();
					return;
				}

				MeshObject = MeshArray[0];

				// check if there is LODGroup for this skeletal mesh
				for (int32 j = 0; j < MeshObject->Num(); j++)
				{
					FbxNode* Node = (*MeshObject)[j];
					if (Node->GetNodeAttribute() && Node->GetNodeAttribute()->GetAttributeType() == FbxNodeAttribute::eLODGroup)
					{
						// get max LODgroup level
						if (MaxLODLevel < (Node->GetChildCount() - 1))
						{
							MaxLODLevel = Node->GetChildCount() - 1;
						}
					}
				}

				// No LODs found, switch to supporting a mesh array containing meshes instead of LODs
				if (MaxLODLevel == 0)
				{
					bUseLODs = false;
					MaxLODLevel = SelectedSkelMesh->LODInfo.Num();
				}

				// Create LOD dropdown strings
				LODStrings.AddZeroed(MaxLODLevel + 1);
				LODStrings[0] = FString::Printf( TEXT("Base") );
				for(int32 i = 1; i < MaxLODLevel + 1; i++)
				{
					LODStrings[i] = FString::Printf(TEXT("%d"), i);
				}


				int32 SelectedLOD = LODLevel;
				if (SelectedLOD > SelectedSkelMesh->LODInfo.Num())
				{
					// Make sure they don't manage to select a bad LOD index
					FFbxImporter->AddTokenizedErrorMessage(FTokenizedMessage::Create(EMessageSeverity::Warning, FText::Format(LOCTEXT("FBXImport_InvalidLODIdx", "Invalid mesh LOD index {0}, no prior LOD index exists"), FText::AsNumber(SelectedLOD))), FFbxErrors::Generic_Mesh_LOD_InvalidIndex);
				}
				else
				{
					TArray<FbxNode*> SkelMeshNodeArray;

					if (bUseLODs || ImportOptions->bImportMorph)
					{
						for (int32 j = 0; j < MeshObject->Num(); j++)
						{
							FbxNode* Node = (*MeshObject)[j];
							if (Node->GetNodeAttribute() && Node->GetNodeAttribute()->GetAttributeType() == FbxNodeAttribute::eLODGroup)
							{
								if (Node->GetChildCount() > SelectedLOD)
								{
									SkelMeshNodeArray.Add(Node->GetChild(SelectedLOD));
								}
								else // in less some LODGroups have less level, use the last level
								{
									SkelMeshNodeArray.Add(Node->GetChild(Node->GetChildCount() - 1));
								}
							}
							else
							{
								SkelMeshNodeArray.Add(Node);
							}
						}
					}

					// Import mesh
					USkeletalMesh* TempSkelMesh = NULL;
					// @todo AssetImportData does this temp skeletal mesh need import data?
					UFbxSkeletalMeshImportData* TempAssetImportData = NULL;
					TempSkelMesh = (USkeletalMesh*)FFbxImporter->ImportSkeletalMesh(GetTransientPackage(), bUseLODs? SkelMeshNodeArray: *MeshObject, NAME_None, (EObjectFlags)0, TempAssetImportData);

					// Add imported mesh to existing model
					bool bImportSucceeded = false;
					if( TempSkelMesh )
					{
						bImportSucceeded = FFbxImporter->ImportSkeletalMeshLOD(TempSkelMesh, SelectedSkelMesh, SelectedLOD);

						// Mark package containing skeletal mesh as dirty.
						SelectedSkelMesh->MarkPackageDirty();
					}

					if(ImportOptions->bImportMorph)
					{
						FFbxImporter->ImportFbxMorphTarget(SkelMeshNodeArray, SelectedSkelMesh, SelectedSkelMesh->GetOutermost(), SelectedLOD);
					}

					if (bImportSucceeded)
					{
						// Notification of success
						FNotificationInfo NotificationInfo(FText::GetEmpty());
						NotificationInfo.Text = FText::Format(NSLOCTEXT("UnrealEd", "LODImportSuccessful", "Mesh for LOD {0} imported successfully!"), FText::AsNumber(SelectedLOD));
						NotificationInfo.ExpireDuration = 5.0f;
						FSlateNotificationManager::Get().AddNotification(NotificationInfo);
					}
					else
					{
						// Notification of failure
						FNotificationInfo NotificationInfo(FText::GetEmpty());
						NotificationInfo.Text = FText::Format(NSLOCTEXT("UnrealEd", "LODImportFail", "Failed to import mesh for LOD {0}!"), FText::AsNumber(SelectedLOD));
						NotificationInfo.ExpireDuration = 5.0f;
						FSlateNotificationManager::Get().AddNotification(NotificationInfo);
					}
				}

				// Cleanup
				for (int32 i=0; i<MeshArray.Num(); i++)
				{
					delete MeshArray[i];
				}					
			}
			FFbxImporter->ReleaseScene();

#if WITH_APEX_CLOTHING
			if(LODLevel == 0)
			{
				ApexClothingUtils::ReapplyClothingDataToSkeletalMesh(SelectedSkelMesh, ClothingBackup);
			}
			ApexClothingUtils::ReImportClothingSectionsFromClothingAsset(SelectedSkelMesh);
#endif// #if WITH_APEX_CLOTHING
		}
	}
Пример #5
0
bool UnFbx::FFbxImporter::ImportAnimation(USkeleton* Skeleton, UAnimSequence * DestSeq, const FString& FileName, TArray<FbxNode*>& SortedLinks, TArray<FbxNode*>& NodeArray, FbxAnimStack* CurAnimStack, const int32 ResampleRate, const FbxTimeSpan AnimTimeSpan)
{
	// @todo : the length might need to change w.r.t. sampling keys
	FbxTime SequenceLength = AnimTimeSpan.GetDuration();
	float PreviousSequenceLength = DestSeq->SequenceLength;

	// if you have one pose(thus 0.f duration), it still contains animation, so we'll need to consider that as MINIMUM_ANIMATION_LENGTH time length
	DestSeq->SequenceLength = FGenericPlatformMath::Max<float>(SequenceLength.GetSecondDouble(), MINIMUM_ANIMATION_LENGTH);

	if(PreviousSequenceLength > MINIMUM_ANIMATION_LENGTH && DestSeq->RawCurveData.FloatCurves.Num() > 0)
	{
		// The sequence already existed when we began the import. We need to scale the key times for all curves to match the new 
		// duration before importing over them. This is to catch any user-added curves
		float ScaleFactor = DestSeq->SequenceLength / PreviousSequenceLength;
		for(FFloatCurve& Curve : DestSeq->RawCurveData.FloatCurves)
		{
			Curve.FloatCurve.ScaleCurve(0.0f, ScaleFactor);
		}
	}

	if (ImportOptions->bDeleteExistingMorphTargetCurves)
	{
		for (int32 CurveIdx=0; CurveIdx<DestSeq->RawCurveData.FloatCurves.Num(); ++CurveIdx)
		{
			auto& Curve = DestSeq->RawCurveData.FloatCurves[CurveIdx];
			if (Curve.GetCurveTypeFlag(ACF_DrivesMorphTarget))
			{
				DestSeq->RawCurveData.FloatCurves.RemoveAt(CurveIdx, 1, false);
				--CurveIdx;
			}
		}

		DestSeq->RawCurveData.FloatCurves.Shrink();
	}

	//
	// import blend shape curves
	//
	{
		GWarn->BeginSlowTask( LOCTEXT("BeginImportMorphTargetCurves", "Importing Morph Target Curves"), true);
		for ( int32 NodeIndex = 0; NodeIndex < NodeArray.Num(); NodeIndex++ )
		{
			// consider blendshape animation curve
			FbxGeometry* Geometry = (FbxGeometry*)NodeArray[NodeIndex]->GetNodeAttribute();
			if (Geometry)
			{
				int32 BlendShapeDeformerCount = Geometry->GetDeformerCount(FbxDeformer::eBlendShape);
				for(int32 BlendShapeIndex = 0; BlendShapeIndex<BlendShapeDeformerCount; ++BlendShapeIndex)
				{
					FbxBlendShape* BlendShape = (FbxBlendShape*)Geometry->GetDeformer(BlendShapeIndex, FbxDeformer::eBlendShape);

					const int32 BlendShapeChannelCount = BlendShape->GetBlendShapeChannelCount();

					FString BlendShapeName = UTF8_TO_TCHAR(MakeName(BlendShape->GetName()));

					for(int32 ChannelIndex = 0; ChannelIndex<BlendShapeChannelCount; ++ChannelIndex)
					{
						FbxBlendShapeChannel* Channel = BlendShape->GetBlendShapeChannel(ChannelIndex);

						if(Channel)
						{
							FString ChannelName = UTF8_TO_TCHAR(MakeName(Channel->GetName()));

							// Maya adds the name of the blendshape and an underscore to the front of the channel name, so remove it
							if(ChannelName.StartsWith(BlendShapeName))
							{
								ChannelName = ChannelName.Right(ChannelName.Len() - (BlendShapeName.Len()+1));
							}

							FbxAnimCurve* Curve = Geometry->GetShapeChannel(BlendShapeIndex, ChannelIndex, (FbxAnimLayer*)CurAnimStack->GetMember(0));
							if (Curve && Curve->KeyGetCount() > 0)
							{
								FFormatNamedArguments Args;
								Args.Add(TEXT("BlendShape"), FText::FromString(ChannelName));
								const FText StatusUpate = FText::Format(LOCTEXT("ImportingMorphTargetCurvesDetail", "Importing Morph Target Curves [{BlendShape}]"), Args);
								GWarn->StatusUpdate(NodeIndex + 1, NodeArray.Num(), StatusUpate);
								// now see if we have one already exists. If so, just overwrite that. if not, add new one. 
								ImportCurveToAnimSequence(DestSeq, *ChannelName, Curve,  ACF_DrivesMorphTarget | ACF_TriggerEvent, AnimTimeSpan, 0.01f /** for some reason blend shape values are coming as 100 scaled **/);
							}
						}
					}
				}
			}
		}
		GWarn->EndSlowTask();
	}

	// 
	// importing custom attribute START
	//
	if (ImportOptions->bImportCustomAttribute)
	{
		GWarn->BeginSlowTask( LOCTEXT("BeginImportMorphTargetCurves", "Importing Custom Attirubte Curves"), true);
		const int32 TotalLinks = SortedLinks.Num();
		int32 CurLinkIndex=0;
		for(auto Node: SortedLinks)
		{
			FbxProperty Property = Node->GetFirstProperty();
			while (Property.IsValid())
			{
				FbxAnimCurveNode* CurveNode = Property.GetCurveNode();
				// do this if user defined and animated and leaf node
				if( CurveNode && Property.GetFlag(FbxPropertyAttr::eUserDefined) && 
					CurveNode->IsAnimated() && IsSupportedCurveDataType(Property.GetPropertyDataType().GetType()) )
				{
					FString CurveName = UTF8_TO_TCHAR(CurveNode->GetName());
					UE_LOG(LogFbx, Log, TEXT("CurveName : %s"), *CurveName );

					int32 TotalCount = CurveNode->GetChannelsCount();
					for (int32 ChannelIndex=0; ChannelIndex<TotalCount; ++ChannelIndex)
					{
						FbxAnimCurve * AnimCurve = CurveNode->GetCurve(ChannelIndex);
						FString ChannelName = CurveNode->GetChannelName(ChannelIndex).Buffer();

						if (AnimCurve)
						{
							FString FinalCurveName;
							if (TotalCount == 1)
							{
								FinalCurveName = CurveName;
							}
							else
							{
								FinalCurveName = CurveName + "_" + ChannelName;
							}

							FFormatNamedArguments Args;
							Args.Add(TEXT("CurveName"), FText::FromString(FinalCurveName));
							const FText StatusUpate = FText::Format(LOCTEXT("ImportingCustomAttributeCurvesDetail", "Importing Custom Attribute [{CurveName}]"), Args);
							GWarn->StatusUpdate(CurLinkIndex + 1, TotalLinks, StatusUpate);

							ImportCurveToAnimSequence(DestSeq, FinalCurveName, AnimCurve,  ACF_DefaultCurve, AnimTimeSpan);
						}
											
					}
				}

				Property = Node->GetNextProperty(Property); 
			}

			CurLinkIndex++;
		}

		GWarn->EndSlowTask();
	}

	// importing custom attribute END

	const bool bSourceDataExists = (DestSeq->SourceRawAnimationData.Num() > 0);
	TArray<AnimationTransformDebug::FAnimationTransformDebugData> TransformDebugData;
	int32 TotalNumKeys = 0;
	const FReferenceSkeleton& RefSkeleton = Skeleton->GetReferenceSkeleton();

	// import animation
	{
		GWarn->BeginSlowTask( LOCTEXT("BeginImportAnimation", "Importing Animation"), true);

		TArray<struct FRawAnimSequenceTrack>& RawAnimationData = bSourceDataExists? DestSeq->SourceRawAnimationData : DestSeq->RawAnimationData;
		DestSeq->TrackToSkeletonMapTable.Empty();
		DestSeq->AnimationTrackNames.Empty();
		RawAnimationData.Empty();

		TArray<FName> FbxRawBoneNames;
		FillAndVerifyBoneNames(Skeleton, SortedLinks, FbxRawBoneNames, FileName);

		UnFbx::FFbxImporter* FbxImporter = UnFbx::FFbxImporter::GetInstance();

		const bool bPreserveLocalTransform = FbxImporter->GetImportOptions()->bPreserveLocalTransform;

		// Build additional transform matrix
		UFbxAnimSequenceImportData* TemplateData = Cast<UFbxAnimSequenceImportData>(DestSeq->AssetImportData);
		FbxAMatrix FbxAddedMatrix;
		BuildFbxMatrixForImportTransform(FbxAddedMatrix, TemplateData);
		FMatrix AddedMatrix = Converter.ConvertMatrix(FbxAddedMatrix);

		const int32 NumSamplingKeys = FMath::FloorToInt(AnimTimeSpan.GetDuration().GetSecondDouble() * ResampleRate);
		const FbxTime TimeIncrement = (NumSamplingKeys > 1)? AnimTimeSpan.GetDuration() / (NumSamplingKeys - 1) : AnimTimeSpan.GetDuration();
		for(int32 SourceTrackIdx = 0; SourceTrackIdx < FbxRawBoneNames.Num(); ++SourceTrackIdx)
		{
			int32 NumKeysForTrack = 0;

			// see if it's found in Skeleton
			FName BoneName = FbxRawBoneNames[SourceTrackIdx];
			int32 BoneTreeIndex = RefSkeleton.FindBoneIndex(BoneName);

			// update status
			FFormatNamedArguments Args;
			Args.Add(TEXT("TrackName"), FText::FromName(BoneName));
			Args.Add(TEXT("TotalKey"), FText::AsNumber(NumSamplingKeys));
			Args.Add(TEXT("TrackIndex"), FText::AsNumber(SourceTrackIdx+1));
			Args.Add(TEXT("TotalTracks"), FText::AsNumber(FbxRawBoneNames.Num()));
			const FText StatusUpate = FText::Format(LOCTEXT("ImportingAnimTrackDetail", "Importing Animation Track [{TrackName}] ({TrackIndex}/{TotalTracks}) - TotalKey {TotalKey}"), Args);
			GWarn->StatusForceUpdate(SourceTrackIdx + 1, FbxRawBoneNames.Num(), StatusUpate);

			if (BoneTreeIndex!=INDEX_NONE)
			{
				bool bSuccess = true;

				FRawAnimSequenceTrack RawTrack;
				RawTrack.PosKeys.Empty();
				RawTrack.RotKeys.Empty();
				RawTrack.ScaleKeys.Empty();

				AnimationTransformDebug::FAnimationTransformDebugData NewDebugData;

				FbxNode* Link = SortedLinks[SourceTrackIdx];
				FbxNode * LinkParent = Link->GetParent();
			
				for(FbxTime CurTime = AnimTimeSpan.GetStart(); CurTime <= AnimTimeSpan.GetStop(); CurTime += TimeIncrement)
				{
					// save global trasnform
					FbxAMatrix GlobalMatrix = Link->EvaluateGlobalTransform(CurTime);
					// we'd like to verify this before going to Transform. 
					// currently transform has tons of NaN check, so it will crash there
					FMatrix GlobalUEMatrix = Converter.ConvertMatrix(GlobalMatrix);
					if (GlobalUEMatrix.ContainsNaN())
					{
						bSuccess = false;
						AddTokenizedErrorMessage(FTokenizedMessage::Create(EMessageSeverity::Error, FText::Format(LOCTEXT("Error_InvalidTransform",
							"Track {0} contains invalid transform. Could not import the track."), FText::FromName(BoneName))), FFbxErrors::Animation_TransformError);
						break;
					}

					FTransform GlobalTransform =  Converter.ConvertTransform(GlobalMatrix);
					if (GlobalTransform.ContainsNaN())
					{
						bSuccess = false;
						AddTokenizedErrorMessage(FTokenizedMessage::Create(EMessageSeverity::Error, FText::Format(LOCTEXT("Error_InvalidUnrealTransform",
											"Track {0} did not yeild valid transform. Please report this to animation team."), FText::FromName(BoneName))), FFbxErrors::Animation_TransformError);
						break;
					}

					// debug data, including import transformation
					FTransform AddedTransform(AddedMatrix);
					NewDebugData.SourceGlobalTransform.Add(GlobalTransform * AddedTransform);

					FTransform LocalTransform;
					if( !bPreserveLocalTransform && LinkParent)
					{
						// I can't rely on LocalMatrix. I need to recalculate quaternion/scale based on global transform if Parent exists
						FbxAMatrix ParentGlobalMatrix = Link->GetParent()->EvaluateGlobalTransform(CurTime);
						FTransform ParentGlobalTransform =  Converter.ConvertTransform(ParentGlobalMatrix);

						LocalTransform = GlobalTransform.GetRelativeTransform(ParentGlobalTransform);
						NewDebugData.SourceParentGlobalTransform.Add(ParentGlobalTransform);
					} 
					else
					{
						FbxAMatrix& LocalMatrix = Link->EvaluateLocalTransform(CurTime); 
						FbxVector4 NewLocalT = LocalMatrix.GetT();
						FbxVector4 NewLocalS = LocalMatrix.GetS();
						FbxQuaternion NewLocalQ = LocalMatrix.GetQ();

						LocalTransform.SetTranslation(Converter.ConvertPos(NewLocalT));
						LocalTransform.SetScale3D(Converter.ConvertScale(NewLocalS));
						LocalTransform.SetRotation(Converter.ConvertRotToQuat(NewLocalQ));

						NewDebugData.SourceParentGlobalTransform.Add(FTransform::Identity);
					}

					if(TemplateData && BoneTreeIndex == 0)
					{
						// If we found template data earlier, apply the import transform matrix to
						// the root track.
						LocalTransform.SetFromMatrix(LocalTransform.ToMatrixWithScale() * AddedMatrix);
					}

					if (LocalTransform.ContainsNaN())
					{
						bSuccess = false;
						AddTokenizedErrorMessage(FTokenizedMessage::Create(EMessageSeverity::Error, FText::Format(LOCTEXT("Error_InvalidUnrealLocalTransform",
											"Track {0} did not yeild valid local transform. Please report this to animation team."), FText::FromName(BoneName))), FFbxErrors::Animation_TransformError);
						break;
					}

					RawTrack.ScaleKeys.Add(LocalTransform.GetScale3D());
					RawTrack.PosKeys.Add(LocalTransform.GetTranslation());
					RawTrack.RotKeys.Add(LocalTransform.GetRotation());

					NewDebugData.RecalculatedLocalTransform.Add(LocalTransform);
					++NumKeysForTrack;
				}

				if (bSuccess)
				{
					//add new track
					int32 NewTrackIdx = RawAnimationData.Add(RawTrack);
					DestSeq->AnimationTrackNames.Add(BoneName);

					NewDebugData.SetTrackData(NewTrackIdx, BoneTreeIndex, BoneName);

					// add mapping to skeleton bone track
					DestSeq->TrackToSkeletonMapTable.Add(FTrackToSkeletonMap(BoneTreeIndex));
					TransformDebugData.Add(NewDebugData);
				}
			}

			TotalNumKeys = FMath::Max( TotalNumKeys, NumKeysForTrack );
		}

		DestSeq->NumFrames = TotalNumKeys;
		GWarn->EndSlowTask();
	}

	// compress animation
	{
		GWarn->BeginSlowTask( LOCTEXT("BeginCompressAnimation", "Compress Animation"), true);
		GWarn->StatusForceUpdate(1, 1, LOCTEXT("CompressAnimation", "Compressing Animation"));
		// if source data exists, you should bake it to Raw to apply
		if(bSourceDataExists)
		{
			DestSeq->BakeTrackCurvesToRawAnimation();
		}
		else
		{
			// otherwise just compress
			DestSeq->PostProcessSequence();
		}

		// run debug mode
		AnimationTransformDebug::OutputAnimationTransformDebugData(TransformDebugData, TotalNumKeys, RefSkeleton);
		GWarn->EndSlowTask();
	}

	return true;
}
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;
}