// Deform the vertex array with the shapes contained in the mesh.
void compute_shape_deformation(FbxMesh* pMesh, FbxTime& pTime, FbxAnimLayer * pAnimLayer, FbxVector4* pVertexArray)
{
int lVertexCount = pMesh->GetControlPointsCount();
FbxVector4* lSrcVertexArray = pVertexArray;
FbxVector4* lDstVertexArray = new FbxVector4[lVertexCount];
memcpy(lDstVertexArray, pVertexArray, lVertexCount * sizeof(FbxVector4));
int lBlendShapeDeformerCount = pMesh->GetDeformerCount(FbxDeformer::eBlendShape);
for(int lBlendShapeIndex = 0; lBlendShapeIndex<lBlendShapeDeformerCount; ++lBlendShapeIndex) {
FbxBlendShape* lBlendShape = (FbxBlendShape*)pMesh->GetDeformer(lBlendShapeIndex, FbxDeformer::eBlendShape);
int lBlendShapeChannelCount = lBlendShape->GetBlendShapeChannelCount();
for(int lChannelIndex = 0; lChannelIndex<lBlendShapeChannelCount; ++lChannelIndex) {
FbxBlendShapeChannel* lChannel = lBlendShape->GetBlendShapeChannel(lChannelIndex);
if(lChannel) {
// Get the percentage of influence of the shape.
FbxAnimCurve* lFCurve = pMesh->GetShapeChannel(lBlendShapeIndex, lChannelIndex, pAnimLayer);
if(!lFCurve) {
continue;
}
double lWeight = lFCurve->Evaluate(pTime);
//Find which shape should we use according to the weight.
int lShapeCount = lChannel->GetTargetShapeCount();
double* lFullWeights = lChannel->GetTargetShapeFullWeights();
for(int lShapeIndex = 0; lShapeIndex<lShapeCount; ++lShapeIndex) {
FbxShape* lShape = NULL;
if(lWeight > 0 && lWeight <= lFullWeights[0]) {
lShape = lChannel->GetTargetShape(0);
}
if(lWeight > lFullWeights[lShapeIndex] && lWeight < lFullWeights[lShapeIndex+1]) {
lShape = lChannel->GetTargetShape(lShapeIndex+1);
}
if(lShape) {
for(int j = 0; j < lVertexCount; j++) {
// Add the influence of the shape vertex to the mesh vertex.
FbxVector4 lInfluence = (lShape->GetControlPoints()[j] - lSrcVertexArray[j]) * lWeight * 0.01;
lDstVertexArray[j] += lInfluence;
}
}
}//For each target shape
}//If lChannel is valid
}//For each blend shape channel
}//For each blend shape deformer
memcpy(pVertexArray, lDstVertexArray, lVertexCount * sizeof(FbxVector4));
delete [] lDstVertexArray;
}
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;
}
void Tools::DisplayAnimation::DisplayChannels( FbxNode* i_node, FbxAnimLayer* i_animLayer, void (*DisplayCurve) (FbxAnimCurve* i_curve), void (*DisplayListCurve) (FbxAnimCurve* i_curve, FbxProperty* i_property), bool isSwitcher )
{
FbxAnimCurve *animCurve = NULL;
// Display general curves.
if (!isSwitcher)
{
animCurve = i_node->LclTranslation.GetCurve( i_animLayer, FBXSDK_CURVENODE_COMPONENT_X );
if( animCurve )
{
FBXSDK_printf( " TX\n" );
DisplayCommon::DisplayString( " TX" );
DisplayCurve( animCurve );
}
animCurve = i_node->LclTranslation.GetCurve( i_animLayer, FBXSDK_CURVENODE_COMPONENT_Y );
if( animCurve )
{
FBXSDK_printf( " TY\n" );
DisplayCommon::DisplayString( " TY" );
DisplayCurve( animCurve );
}
animCurve = i_node->LclTranslation.GetCurve( i_animLayer, FBXSDK_CURVENODE_COMPONENT_Z );
if( animCurve )
{
FBXSDK_printf( " TZ\n" );
DisplayCommon::DisplayString( " TZ" );
DisplayCurve( animCurve );
}
animCurve = i_node->LclRotation.GetCurve( i_animLayer, FBXSDK_CURVENODE_COMPONENT_X );
if( animCurve )
{
FBXSDK_printf( " RX\n" );
DisplayCommon::DisplayString( " RX" );
DisplayCurve( animCurve );
}
animCurve = i_node->LclRotation.GetCurve( i_animLayer, FBXSDK_CURVENODE_COMPONENT_Y );
if( animCurve )
{
FBXSDK_printf( " RY\n" );
DisplayCommon::DisplayString( " RY" );
DisplayCurve( animCurve );
}
animCurve = i_node->LclRotation.GetCurve( i_animLayer, FBXSDK_CURVENODE_COMPONENT_Z );
if( animCurve )
{
FBXSDK_printf( " RZ\n" );
DisplayCommon::DisplayString( " RZ" );
DisplayCurve( animCurve );
}
animCurve = i_node->LclScaling.GetCurve( i_animLayer, FBXSDK_CURVENODE_COMPONENT_X );
if( animCurve )
{
FBXSDK_printf( " SX\n" );
DisplayCommon::DisplayString( " SX" );
DisplayCurve( animCurve );
}
animCurve = i_node->LclScaling.GetCurve( i_animLayer, FBXSDK_CURVENODE_COMPONENT_Y );
if( animCurve )
{
FBXSDK_printf( " SY\n" );
DisplayCommon::DisplayString( " SY" );
DisplayCurve( animCurve );
}
animCurve = i_node->LclScaling.GetCurve( i_animLayer, FBXSDK_CURVENODE_COMPONENT_Z );
if( animCurve )
{
FBXSDK_printf( " SZ\n" );
DisplayCommon::DisplayString( " SZ" );
DisplayCurve( animCurve );
}
}
// Display curves specific to a light or marker.
FbxNodeAttribute *nodeAttribute = i_node->GetNodeAttribute();
if( nodeAttribute )
{
animCurve = nodeAttribute->Color.GetCurve( i_animLayer, FBXSDK_CURVENODE_COLOR_RED );
if( animCurve )
{
FBXSDK_printf( " Red\n" );
DisplayCommon::DisplayString( " Red" );
DisplayCurve( animCurve );
}
animCurve = nodeAttribute->Color.GetCurve( i_animLayer, FBXSDK_CURVENODE_COLOR_GREEN );
if( animCurve )
{
FBXSDK_printf( " Green\n" );
DisplayCommon::DisplayString( " Green" );
DisplayCurve( animCurve );
}
animCurve = nodeAttribute->Color.GetCurve( i_animLayer, FBXSDK_CURVENODE_COLOR_BLUE );
if( animCurve )
{
FBXSDK_printf( " Blue\n" );
DisplayCommon::DisplayString( " Blue" );
DisplayCurve( animCurve );
}
// Display curves specific to a light.
FbxLight *light = i_node->GetLight();
if( light )
{
animCurve = light->Intensity.GetCurve( i_animLayer );
if( animCurve )
{
FBXSDK_printf( " Intensity\n" );
DisplayCommon::DisplayString( " Intensity" );
DisplayCurve( animCurve );
}
animCurve = light->OuterAngle.GetCurve( i_animLayer );
if( animCurve )
{
FBXSDK_printf( " Outer Angle\n" );
DisplayCommon::DisplayString( " Outer Angle" );
DisplayCurve( animCurve );
}
animCurve = light->Fog.GetCurve( i_animLayer );
if( animCurve )
{
FBXSDK_printf( " Fog\n" );
DisplayCommon::DisplayString( " Fog" );
DisplayCurve( animCurve );
}
}
// Display curves specific to a camera.
FbxCamera *camera = i_node->GetCamera();
if( camera )
{
animCurve = camera->FieldOfView.GetCurve( i_animLayer );
if( animCurve )
{
FBXSDK_printf( " Field of View\n" );
DisplayCommon::DisplayString( " Field of View" );
DisplayCurve( animCurve );
}
animCurve = camera->FieldOfViewX.GetCurve( i_animLayer );
if( animCurve )
{
FBXSDK_printf( " Field of View X\n" );
DisplayCommon::DisplayString( " Field of View X" );
DisplayCurve( animCurve );
}
animCurve = camera->FieldOfViewY.GetCurve( i_animLayer );
if( animCurve )
{
FBXSDK_printf( " Field of View Y\n" );
DisplayCommon::DisplayString( " Field of View Y" );
DisplayCurve( animCurve );
}
animCurve = camera->OpticalCenterX.GetCurve( i_animLayer );
if( animCurve )
{
FBXSDK_printf( " Optical Center X\n" );
DisplayCommon::DisplayString( " Optical Center X" );
DisplayCurve( animCurve );
}
animCurve = camera->OpticalCenterY.GetCurve( i_animLayer );
if( animCurve )
{
FBXSDK_printf( " Optical Center Y\n" );
DisplayCommon::DisplayString( " Optical Center Y" );
DisplayCurve( animCurve );
}
animCurve = camera->Roll.GetCurve( i_animLayer );
if( animCurve )
{
FBXSDK_printf( " Roll\n" );
DisplayCommon::DisplayString( " Roll" );
DisplayCurve( animCurve );
}
}
// Display curves specific to a geometry.
if (nodeAttribute->GetAttributeType() == FbxNodeAttribute::eMesh ||
nodeAttribute->GetAttributeType() == FbxNodeAttribute::eNurbs ||
nodeAttribute->GetAttributeType() == FbxNodeAttribute::ePatch)
{
FbxGeometry *geometry = (FbxGeometry*) nodeAttribute;
int blendShapeDeformerCount = geometry->GetDeformerCount( FbxDeformer::eBlendShape );
for( int blendShapeIndex = 0; blendShapeIndex<blendShapeDeformerCount; blendShapeIndex++ )
{
FbxBlendShape *blendShape = (FbxBlendShape*)geometry->GetDeformer( blendShapeIndex, FbxDeformer::eBlendShape );
int blendShapeChannelCount = blendShape->GetBlendShapeChannelCount();
for( int channelIndex = 0; channelIndex<blendShapeChannelCount; channelIndex++ )
{
FbxBlendShapeChannel *channel = blendShape->GetBlendShapeChannel( channelIndex );
const char *channelName = channel->GetName();
animCurve = geometry->GetShapeChannel( blendShapeIndex, channelIndex, i_animLayer, true );
if( animCurve )
{
FBXSDK_printf( " Shape %s\n", channelName );
DisplayCommon::DisplayString( " Shape ", channelName );
DisplayCurve( animCurve );
}
}
}
}
}
// Display curves specific to properties
FbxProperty lProperty = i_node->GetFirstProperty();
while( lProperty.IsValid() )
{
if( lProperty.GetFlag(FbxPropertyAttr::eUserDefined) )
{
FbxString lFbxFCurveNodeName = lProperty.GetName();
FbxAnimCurveNode* curveNode = lProperty.GetCurveNode( i_animLayer );
if( !curveNode )
{
lProperty = i_node->GetNextProperty( lProperty );
continue;
}
FbxDataType dataType = lProperty.GetPropertyDataType();
if( dataType.GetType() == eFbxBool || dataType.GetType() == eFbxDouble || dataType.GetType() == eFbxFloat || dataType.GetType() == eFbxInt )
{
FbxString message;
message = " Property ";
message += lProperty.GetName();
if( lProperty.GetLabel().GetLen() > 0 )
{
message += " (Label: ";
message += lProperty.GetLabel();
message += ")";
};
DisplayCommon::DisplayString( message );
for( int c = 0; c < curveNode->GetCurveCount(0U); c++ )
{
animCurve = curveNode->GetCurve( 0U, c );
if( animCurve )
DisplayCurve( animCurve );
}
}
else if( dataType.GetType() == eFbxDouble3 || dataType.GetType() == eFbxDouble4 || dataType.Is(FbxColor3DT) || dataType.Is(FbxColor4DT) )
{
char* componentName1 = (dataType.Is(FbxColor3DT) ||dataType.Is(FbxColor4DT)) ? (char*)FBXSDK_CURVENODE_COLOR_RED : (char*)"X";
char* componentName2 = (dataType.Is(FbxColor3DT) ||dataType.Is(FbxColor4DT)) ? (char*)FBXSDK_CURVENODE_COLOR_GREEN : (char*)"Y";
char* componentName3 = (dataType.Is(FbxColor3DT) ||dataType.Is(FbxColor4DT)) ? (char*)FBXSDK_CURVENODE_COLOR_BLUE : (char*)"Z";
FbxString message;
message = " Property ";
message += lProperty.GetName();
if( lProperty.GetLabel().GetLen() > 0 )
{
message += " (Label: ";
message += lProperty.GetLabel();
message += ")";
}
DisplayCommon::DisplayString( message );
for( int c = 0; c < curveNode->GetCurveCount(0U); c++ )
{
animCurve = curveNode->GetCurve( 0U, c );
if( animCurve )
{
DisplayCommon::DisplayString( " Component ", componentName1 );
DisplayCurve( animCurve );
}
}
for( int c = 0; c < curveNode->GetCurveCount(1U); c++ )
{
animCurve = curveNode->GetCurve(1U, c);
if( animCurve )
{
DisplayCommon::DisplayString( " Component ", componentName2 );
DisplayCurve( animCurve );
}
}
for( int c = 0; c < curveNode->GetCurveCount(2U); c++ )
{
animCurve = curveNode->GetCurve( 2U, c );
if( animCurve )
{
DisplayCommon::DisplayString( " Component ", componentName3 );
DisplayCurve( animCurve );
}
}
}
else if( dataType.GetType() == eFbxEnum )
{
FbxString message;
message = " Property ";
message += lProperty.GetName();
if( lProperty.GetLabel().GetLen() > 0 )
{
message += " (Label: ";
message += lProperty.GetLabel();
message += ")";
};
DisplayCommon::DisplayString( message );
for( int c = 0; c < curveNode->GetCurveCount(0U); c++ )
{
animCurve = curveNode->GetCurve( 0U, c );
if( animCurve )
DisplayListCurve( animCurve, &lProperty );
}
}
}
lProperty = i_node->GetNextProperty( lProperty );
} // while
}
//--------------------------------------------------------------
void ofxFBXMesh::computeBlendShapes( ofMesh* aMesh, FbxTime& pTime, FbxAnimLayer * pAnimLayer ) {
int lBlendShapeDeformerCount = fbxMesh->GetDeformerCount(FbxDeformer::eBlendShape);
// cout << "Computing blendshapes for " << getName() << endl;
for(int lBlendShapeIndex = 0; lBlendShapeIndex<lBlendShapeDeformerCount; ++lBlendShapeIndex) {
FbxBlendShape* lBlendShape = (FbxBlendShape*)fbxMesh->GetDeformer(lBlendShapeIndex, FbxDeformer::eBlendShape);
int lBlendShapeChannelCount = lBlendShape->GetBlendShapeChannelCount();
for(int lChannelIndex = 0; lChannelIndex<lBlendShapeChannelCount; ++lChannelIndex) {
FbxBlendShapeChannel* lChannel = lBlendShape->GetBlendShapeChannel(lChannelIndex);
if(lChannel) {
// Get the percentage of influence on this channel.
FbxAnimCurve* lFCurve = fbxMesh->GetShapeChannel(lBlendShapeIndex, lChannelIndex, pAnimLayer);
if (!lFCurve) continue;
double lWeight = lFCurve->Evaluate(pTime);
// cout << "updateMesh lWeight = " << lWeight << " time = " << pTime.GetMilliSeconds() << endl;
int lShapeCount = lChannel->GetTargetShapeCount();
double* lFullWeights = lChannel->GetTargetShapeFullWeights();
// Find out which scope the lWeight falls in.
int lStartIndex = -1;
int lEndIndex = -1;
for(int lShapeIndex = 0; lShapeIndex<lShapeCount; ++lShapeIndex) {
if(lWeight > 0 && lWeight <= lFullWeights[0]) {
lEndIndex = 0;
break;
}
if(lWeight > lFullWeights[lShapeIndex] && lWeight < lFullWeights[lShapeIndex+1]) {
lStartIndex = lShapeIndex;
lEndIndex = lShapeIndex + 1;
break;
}
}
FbxShape* lStartShape = NULL;
FbxShape* lEndShape = NULL;
if(lStartIndex > -1) {
lStartShape = lChannel->GetTargetShape(lStartIndex);
}
if(lEndIndex > -1) {
lEndShape = lChannel->GetTargetShape(lEndIndex);
}
//The weight percentage falls between base geometry and the first target shape.
if(lStartIndex == -1 && lEndShape) {
float lEndWeight = lFullWeights[0];
lWeight = (lWeight/lEndWeight);
cout << "updateMesh : weight = " << lWeight << endl;
for (int j = 0; j < aMesh->getNumVertices(); j++) {
// Add the influence of the shape vertex to the mesh vertex.
ofVec3f influence = (toOf(lEndShape->GetControlPoints()[j]) - original.getVertices()[j]) * lWeight;
aMesh->getVertices()[j] += influence;
}
} else if(lStartShape && lEndShape) {
float lStartWeight = lFullWeights[lStartIndex];
float lEndWeight = lFullWeights[lEndIndex];
// Calculate the real weight.
lWeight = ofMap(lWeight, lStartWeight, lEndWeight, 0, 1, true);
cout << "updateMesh : weight = " << lWeight << " lStartWeight " << lStartWeight << " lEndWeight " << lEndWeight << endl;
// lWeight = ((lWeight-lStartWeight)/(lEndWeight-lStartWeight)) * 100;
for (int j = 0; j < aMesh->getNumVertices(); j++) {
// Add the influence of the shape vertex to the mesh vertex.
ofVec3f influence = (toOf(lEndShape->GetControlPoints()[j] - lStartShape->GetControlPoints()[j] )) * lWeight;
aMesh->getVertices()[j] += influence;
}
}
}
}
}
}