reNode* reFBXAsset::importNode(FbxNode* fbxNode, reNode* parent)
{
reNode* node = new reNode;
node->name(fbxNode->GetName());
FbxMatrix mat = fbxNode->EvaluateGlobalTransform(FbxTime(0));
FbxNode *fbxParent = fbxNode->GetParent();
if (!fbxParent)
{
node->transform (reTransform(fromFBXMatrix(mat)));
}
else
{
FbxMatrix pmat = fbxParent->EvaluateGlobalTransform(FbxTime(0));
node->transform(reTransform(fromFBXMatrix(pmat.Inverse()) * fromFBXMatrix(mat)));
}
if (fbxNode->GetNodeAttribute() )
{
FbxNodeAttribute::EType attrType = (fbxNode->GetNodeAttribute()->GetAttributeType());
switch (attrType)
{
case FbxNodeAttribute::eMesh:
reMesh* mesh = importMesh(fbxNode);
node->renderables->add(mesh);
break;
}
}
for(int i = 0; i < fbxNode->GetChildCount(); i++)
{
reNode* child = importNode(fbxNode->GetChild(i), node);
node->children->add(child);
}
return node;
};
int main(int argc, char** argv) {
if (argc < 2) {
printf("Usage: emdfbx model.emd skeleton.esk output.fbx\n Can include multiple emd and esk files into one fbx.");
getchar();
return 1;
}
LibXenoverse::initializeDebuggingLog();
vector<string> model_filenames;
vector<string> skeleton_filenames;
vector<string> animation_filenames;
string export_filename = "";
for (int i = 1; i < argc; i++) {
string parameter = ToString(argv[i]);
string extension = LibXenoverse::extensionFromFilename(parameter);
if (extension == "emd") {
model_filenames.push_back(parameter);
}
if (extension == "esk") {
skeleton_filenames.push_back(parameter);
}
if (extension == "ean") {
animation_filenames.push_back(parameter);
}
if (extension == "fbx") {
export_filename = parameter;
}
}
if (!export_filename.size()) {
if (model_filenames.size()) {
export_filename = model_filenames[0] + ".fbx";
}
else if (skeleton_filenames.size()) {
export_filename = skeleton_filenames[0] + ".fbx";
}
else {
export_filename = "Out.fbx";
}
}
// Create FBX Manager
FbxManager *sdk_manager = FbxManager::Create();
FbxIOSettings *ios = FbxIOSettings::Create(sdk_manager, IOSROOT);
ios->SetBoolProp(EXP_FBX_EMBEDDED, true);
sdk_manager->SetIOSettings(ios);
// Create Scene
vector<FbxNode *> global_fbx_bones;
global_fbx_bones.reserve(300);
vector<size_t> global_fbx_bones_index; //TODO find a better way to link skeleton and animations
global_fbx_bones_index.reserve(300);
vector<FbxAnimCurveNode *> global_fbx_animation;
global_fbx_animation.reserve(300);
FbxScene *scene = FbxScene::Create(sdk_manager, "EMDFBXScene");
// Load Shaders and convert it to fx file (will be use by fbx).
vector<string> shader_names;
shader_names.push_back("adam_shader/shader_age_vs.emb"); //must specified vs folloxed by ps shaders
shader_names.push_back("adam_shader/shader_age_ps.emb");
shader_names.push_back("adam_shader/shader_default_vs.emb");
shader_names.push_back("adam_shader/shader_default_ps.emb");
bool needs_install_shaders = false;
for (size_t i = 0; i < shader_names.size(); i++) {
if (!LibXenoverse::fileCheck(shader_names[i])) {
needs_install_shaders = true;
break;
}
}
if (needs_install_shaders) {
printf("Shaders not found. Please use Xenoviewer to prepare shaders in bin folder.");
return -1;
}
for (size_t i = 0; i+1 < shader_names.size(); i+=2) {
LibXenoverse::EMB *shader_pack_vs = new LibXenoverse::EMB();
LibXenoverse::EMB *shader_pack_ps = new LibXenoverse::EMB();
if (!shader_pack_vs->load(shader_names[i])) {
delete shader_pack_vs;
printf("Couldn't load Shader Pack %s. File is either missing, open by another application, or corrupt.", shader_names[i].c_str());
continue;
}
if (!shader_pack_ps->load(shader_names[i+1])) {
delete shader_pack_vs;
delete shader_pack_ps;
printf("Couldn't load Shader Pack %s. File is either missing, open by another application, or corrupt.", shader_names[i].c_str());
continue;
}
shader_pack_vs->exportShadersToFx(shader_pack_vs, shader_pack_ps); //convert all shaders in fx file with defaults program parameters (like Ogre's version).
}
//build FBX skeleton
for (size_t i = 0; i < skeleton_filenames.size(); i++) {
LibXenoverse::ESK *esk_skeleton = new LibXenoverse::ESK();
esk_skeleton->load(skeleton_filenames[i]);
vector<FbxNode *> fbx_bones = esk_skeleton->createFBXSkeleton(scene);
for (size_t j = 0; j < fbx_bones.size(); j++) {
global_fbx_bones.push_back(fbx_bones[j]);
global_fbx_bones_index.push_back(j); //kepp index of bone to link with animations.
}
}
//build FBX animations
for (size_t i = 0; i < animation_filenames.size(); i++) {
string filename = animation_filenames.at(i);
string ean_name = LibXenoverse::nameFromFilenameNoExtension(filename, true);
//vector<FbxAnimCurveNode *> global_fbx_animation;
LibXenoverse::EAN *animation = new LibXenoverse::EAN();
if (animation->load(filename)) {
std::vector<FbxAnimStack *> list_AnimStack;
size_t nbAnims = animation->getAnimations().size();
for (size_t j = 0; j < nbAnims; j++) { //we create only one stack and one layer by animation. each will animate all bones of all skeleton.
LibXenoverse::EANAnimation *anim_tmp = &(animation->getAnimations().at(j));
FbxAnimStack* lAnimStack = FbxAnimStack::Create(scene, anim_tmp->getName().c_str());
FbxAnimLayer* lAnimLayer = FbxAnimLayer::Create(scene, (anim_tmp->getName() + "_Layer0").c_str());
lAnimStack->AddMember(lAnimLayer);
list_AnimStack.push_back(lAnimStack);
}
size_t k = 0;
for (vector<FbxNode *>::iterator it = global_fbx_bones.begin(); it != global_fbx_bones.end(); it++) {
vector<FbxAnimCurveNode *> fbx_anim = animation->exportFBXAnimations(scene, list_AnimStack, *it, global_fbx_bones_index.at(k));
for (size_t j = 0; j < fbx_anim.size(); j++) {
global_fbx_animation.push_back(fbx_anim[j]);
}
k++;
}
}
else {
delete animation;
animation = NULL;
}
}
for (size_t i = 0; i < model_filenames.size(); i++) {
string node_name = LibXenoverse::nameFromFilenameNoExtension(model_filenames[i]);
string path = model_filenames[i].substr(0, model_filenames[i].size() - LibXenoverse::nameFromFilename(model_filenames[i]).size());
LibXenoverse::EMD *emd_model = new LibXenoverse::EMD();
emd_model->load(model_filenames[i]);
// Fill Scene
FbxNode *lMeshNode = NULL;
// Create Node
lMeshNode = FbxNode::Create(scene, node_name.c_str());
lMeshNode->LclTranslation.Set(FbxVector4(0, 0, 0));
lMeshNode->LclScaling.Set(FbxVector4(1, 1, 1));
lMeshNode->LclRotation.Set(FbxVector4(0, 0, 0));
// Create and attach Mesh
FbxMesh *lMesh = emd_model->exportFBX(scene, lMeshNode, path);
lMeshNode->SetNodeAttribute(lMesh);
if (global_fbx_bones.size()) {
emd_model->exportFBXSkin(scene, lMesh, global_fbx_bones, lMeshNode->EvaluateGlobalTransform());
}
// Add node to scene
FbxNode *lRootNode = scene->GetRootNode();
lRootNode->AddChild(lMeshNode);
}
// Export FBX
int lFileFormat = sdk_manager->GetIOPluginRegistry()->GetNativeWriterFormat();
FbxExporter* lExporter = FbxExporter::Create(sdk_manager, "");
bool lExportStatus = lExporter->Initialize(export_filename.c_str(), lFileFormat, sdk_manager->GetIOSettings());
if (!lExportStatus) {
printf("Call to FbxExporter::Initialize() failed.\n");
printf("Error returned: %s\n\n", lExporter->GetStatus().GetErrorString());
return 1;
}
scene->GetGlobalSettings().SetAxisSystem(FbxAxisSystem::eMax);
scene->GetGlobalSettings().SetSystemUnit(FbxSystemUnit::m);
// Export scene
lExporter->Export(scene);
lExporter->Destroy();
return 0;
}
/**
* Add a bind pose to the scene based on the FbxMesh and skinning settings of the given node
*/
void FFbxExporter::CreateBindPose(FbxNode* MeshRootNode)
{
if (!MeshRootNode)
{
return;
}
// In the bind pose, we must store all the link's global matrix at the time of the bind.
// Plus, we must store all the parent(s) global matrix of a link, even if they are not
// themselves deforming any model.
// Create a bind pose with the link list
FbxArray<FbxNode*> lClusteredFbxNodes;
int i, j;
if (MeshRootNode->GetNodeAttribute())
{
int lSkinCount=0;
int lClusterCount=0;
switch (MeshRootNode->GetNodeAttribute()->GetAttributeType())
{
case FbxNodeAttribute::eMesh:
case FbxNodeAttribute::eNurbs:
case FbxNodeAttribute::ePatch:
lSkinCount = ((FbxGeometry*)MeshRootNode->GetNodeAttribute())->GetDeformerCount(FbxDeformer::eSkin);
//Go through all the skins and count them
//then go through each skin and get their cluster count
for(i=0; i<lSkinCount; ++i)
{
FbxSkin *lSkin=(FbxSkin*)((FbxGeometry*)MeshRootNode->GetNodeAttribute())->GetDeformer(i, FbxDeformer::eSkin);
lClusterCount+=lSkin->GetClusterCount();
}
break;
}
//if we found some clusters we must add the node
if (lClusterCount)
{
//Again, go through all the skins get each cluster link and add them
for (i=0; i<lSkinCount; ++i)
{
FbxSkin *lSkin=(FbxSkin*)((FbxGeometry*)MeshRootNode->GetNodeAttribute())->GetDeformer(i, FbxDeformer::eSkin);
lClusterCount=lSkin->GetClusterCount();
for (j=0; j<lClusterCount; ++j)
{
FbxNode* lClusterNode = lSkin->GetCluster(j)->GetLink();
AddNodeRecursively(lClusteredFbxNodes, lClusterNode);
}
}
// Add the patch to the pose
lClusteredFbxNodes.Add(MeshRootNode);
}
}
// Now create a bind pose with the link list
if (lClusteredFbxNodes.GetCount())
{
// A pose must be named. Arbitrarily use the name of the patch node.
FbxPose* lPose = FbxPose::Create(Scene, MeshRootNode->GetName());
// default pose type is rest pose, so we need to set the type as bind pose
lPose->SetIsBindPose(true);
for (i=0; i<lClusteredFbxNodes.GetCount(); i++)
{
FbxNode* lKFbxNode = lClusteredFbxNodes.GetAt(i);
FbxMatrix lBindMatrix = lKFbxNode->EvaluateGlobalTransform();
lPose->Add(lKFbxNode, lBindMatrix);
}
// Add the pose to the scene
Scene->AddPose(lPose);
}
}
/**
* Adds Fbx Clusters necessary to skin a skeletal mesh to the bones in the BoneNodes list
*/
void FFbxExporter::BindMeshToSkeleton(const USkeletalMesh* SkelMesh, FbxNode* MeshRootNode, TArray<FbxNode*>& BoneNodes)
{
const FSkeletalMeshResource* SkelMeshResource = SkelMesh->GetImportedResource();
const FStaticLODModel& SourceModel = SkelMeshResource->LODModels[0];
const int32 VertexCount = SourceModel.NumVertices;
FbxAMatrix MeshMatrix;
FbxScene* lScene = MeshRootNode->GetScene();
if( lScene )
{
MeshMatrix = MeshRootNode->EvaluateGlobalTransform();
}
FbxGeometry* MeshAttribute = (FbxGeometry*) MeshRootNode->GetNodeAttribute();
FbxSkin* Skin = FbxSkin::Create(Scene, "");
const int32 BoneCount = BoneNodes.Num();
for(int32 BoneIndex = 0; BoneIndex < BoneCount; ++BoneIndex)
{
FbxNode* BoneNode = BoneNodes[BoneIndex];
// Create the deforming cluster
FbxCluster *CurrentCluster = FbxCluster::Create(Scene,"");
CurrentCluster->SetLink(BoneNode);
CurrentCluster->SetLinkMode(FbxCluster::eTotalOne);
// Add all the vertices that are weighted to the current skeletal bone to the cluster
// NOTE: the bone influence indices contained in the vertex data are based on a per-chunk
// list of verts. The convert the chunk bone index to the mesh bone index, the chunk's
// boneMap is needed
int32 VertIndex = 0;
const int32 SectionCount = SourceModel.Sections.Num();
for(int32 SectionIndex = 0; SectionIndex < SectionCount; ++SectionIndex)
{
const FSkelMeshSection& Section = SourceModel.Sections[SectionIndex];
for(int32 SoftIndex = 0; SoftIndex < Section.SoftVertices.Num(); ++SoftIndex)
{
const FSoftSkinVertex& Vert = Section.SoftVertices[SoftIndex];
for(int32 InfluenceIndex = 0; InfluenceIndex < MAX_TOTAL_INFLUENCES; ++InfluenceIndex)
{
int32 InfluenceBone = Section.BoneMap[ Vert.InfluenceBones[InfluenceIndex] ];
float InfluenceWeight = Vert.InfluenceWeights[InfluenceIndex] / 255.f;
if(InfluenceBone == BoneIndex && InfluenceWeight > 0.f)
{
CurrentCluster->AddControlPointIndex(VertIndex, InfluenceWeight);
}
}
++VertIndex;
}
}
// Now we have the Patch and the skeleton correctly positioned,
// set the Transform and TransformLink matrix accordingly.
CurrentCluster->SetTransformMatrix(MeshMatrix);
FbxAMatrix LinkMatrix;
if( lScene )
{
LinkMatrix = BoneNode->EvaluateGlobalTransform();
}
CurrentCluster->SetTransformLinkMatrix(LinkMatrix);
// Add the clusters to the mesh by creating a skin and adding those clusters to that skin.
Skin->AddCluster(CurrentCluster);
}
// Add the skin to the mesh after the clusters have been added
MeshAttribute->AddDeformer(Skin);
}
CC_FILE_ERROR FBXFilter::loadFile(const char* filename, ccHObject& container, bool alwaysDisplayLoadDialog/*=true*/, bool* coordinatesShiftEnabled/*=0*/, CCVector3d* coordinatesShift/*=0*/)
{
// Initialize the SDK manager. This object handles memory management.
FbxManager* lSdkManager = FbxManager::Create();
// Create the IO settings object.
FbxIOSettings *ios = FbxIOSettings::Create(lSdkManager, IOSROOT);
lSdkManager->SetIOSettings(ios);
// Import options determine what kind of data is to be imported.
// True is the default, but here we’ll set some to true explicitly, and others to false.
//(*(lSdkManager->GetIOSettings())).SetBoolProp(IMP_FBX_MATERIAL, true);
//(*(lSdkManager->GetIOSettings())).SetBoolProp(IMP_FBX_TEXTURE, true);
// Create an importer using the SDK manager.
FbxImporter* lImporter = FbxImporter::Create(lSdkManager,"");
CC_FILE_ERROR result = CC_FERR_NO_ERROR;
// Use the first argument as the filename for the importer.
if (!lImporter->Initialize(filename, -1, lSdkManager->GetIOSettings()))
{
ccLog::Warning(QString("[FBX] Error: %1").arg(lImporter->GetStatus().GetErrorString()));
result = CC_FERR_READING;
}
else
{
// Create a new scene so that it can be populated by the imported file.
FbxScene* lScene = FbxScene::Create(lSdkManager,"myScene");
// Import the contents of the file into the scene.
if (lImporter->Import(lScene))
{
// Print the nodes of the scene and their attributes recursively.
// Note that we are not printing the root node because it should
// not contain any attributes.
FbxNode* lRootNode = lScene->GetRootNode();
std::vector<FbxNode*> nodes;
nodes.push_back(lRootNode);
while (!nodes.empty())
{
FbxNode* lNode = nodes.back();
nodes.pop_back();
const char* nodeName = lNode->GetName();
#ifdef _DEBUG
ccLog::Print(QString("Node: %1 - %2 properties").arg(nodeName).arg(lNode->GetNodeAttributeCount()));
#endif
// scan the node's attributes.
for(int i=0; i<lNode->GetNodeAttributeCount(); i++)
{
FbxNodeAttribute* pAttribute = lNode->GetNodeAttributeByIndex(i);
FbxNodeAttribute::EType type = pAttribute->GetAttributeType();
#ifdef _DEBUG
ccLog::Print(QString("\tProp. #%1").arg(GetAttributeTypeName(type)));
#endif
switch(type)
{
case FbxNodeAttribute::eMesh:
{
ccMesh* mesh = FromFbxMesh(static_cast<FbxMesh*>(pAttribute),alwaysDisplayLoadDialog,coordinatesShiftEnabled,coordinatesShift);
if (mesh)
{
//apply transformation
FbxAMatrix& transform = lNode->EvaluateGlobalTransform();
ccGLMatrix mat;
float* data = mat.data();
for (int c=0; c<4; ++c)
{
FbxVector4 C = transform.GetColumn(c);
*data++ = static_cast<float>(C[0]);
*data++ = static_cast<float>(C[1]);
*data++ = static_cast<float>(C[2]);
*data++ = static_cast<float>(C[3]);
}
mesh->applyGLTransformation_recursive(&mat);
if (mesh->getName().isEmpty())
mesh->setName(nodeName);
container.addChild(mesh);
}
}
break;
case FbxNodeAttribute::eUnknown:
case FbxNodeAttribute::eNull:
case FbxNodeAttribute::eMarker:
case FbxNodeAttribute::eSkeleton:
case FbxNodeAttribute::eNurbs:
case FbxNodeAttribute::ePatch:
case FbxNodeAttribute::eCamera:
case FbxNodeAttribute::eCameraStereo:
case FbxNodeAttribute::eCameraSwitcher:
case FbxNodeAttribute::eLight:
case FbxNodeAttribute::eOpticalReference:
case FbxNodeAttribute::eOpticalMarker:
case FbxNodeAttribute::eNurbsCurve:
case FbxNodeAttribute::eTrimNurbsSurface:
case FbxNodeAttribute::eBoundary:
case FbxNodeAttribute::eNurbsSurface:
case FbxNodeAttribute::eShape:
case FbxNodeAttribute::eLODGroup:
case FbxNodeAttribute::eSubDiv:
default:
//not handled yet
break;
}
}
// Recursively add the children.
for(int j=0; j<lNode->GetChildCount(); j++)
{
nodes.push_back(lNode->GetChild(j));
}
}
}
}
// The file is imported, so get rid of the importer.
lImporter->Destroy();
// Destroy the SDK manager and all the other objects it was handling.
lSdkManager->Destroy();
return container.getChildrenNumber() == 0 ? CC_FERR_NO_LOAD : CC_FERR_NO_ERROR;
}
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 ExportFbxMesh(const Value& obj)
{
string name = obj["Name"].GetString();
FbxNode* pNode = FbxNode::Create(pManager, name.c_str());
FbxMesh* pMesh = FbxMesh::Create(pManager, name.c_str());
pNode->AddNodeAttribute(pMesh);
pScene->GetRootNode()->AddChild(pNode);
int numVertex = obj["NumVertex"].GetInt();
{
pMesh->InitControlPoints(numVertex);
FbxVector4* lControlPoints = pMesh->GetControlPoints();
const Value& pos = obj["Position"];
for (int i = 0; i < numVertex; i++)
{
double x = pos[i * 3 + 0].GetDouble();
x = -x;
double y = pos[i * 3 + 1].GetDouble();
double z = pos[i * 3 + 2].GetDouble();
lControlPoints[i] = FbxVector4(x, y, z);
}
}
{
FbxGeometryElementNormal* lGeometryElementNormal = pMesh->CreateElementNormal();
lGeometryElementNormal->SetMappingMode(FbxGeometryElement::eByControlPoint);
lGeometryElementNormal->SetReferenceMode(FbxGeometryElement::eDirect);
FbxLayerElementArrayTemplate<FbxVector4>& array = lGeometryElementNormal->GetDirectArray();
const Value& normal = obj["Normal"];
for (int i = 0; i < numVertex; i++)
{
double x = normal[i * 3 + 0].GetDouble();
x = -x;
double y = normal[i * 3 + 1].GetDouble();
double z = normal[i * 3 + 2].GetDouble();
array.Add(FbxVector4(x, y, z));
}
}
{
FbxGeometryElementUV* lUVDiffuseElement = pMesh->CreateElementUV("DiffuseUV");
FBX_ASSERT(lUVDiffuseElement != NULL);
lUVDiffuseElement->SetMappingMode(FbxGeometryElement::eByControlPoint);
lUVDiffuseElement->SetReferenceMode(FbxGeometryElement::eDirect);
FbxLayerElementArrayTemplate<FbxVector2>& array = lUVDiffuseElement->GetDirectArray();
const Value& v = obj["UV0"];
for (int i = 0; i < numVertex; i++)
{
double x = v[i * 2 + 0].GetDouble();
double y = v[i * 2 + 1].GetDouble();
array.Add(FbxVector2(x, y));
}
}
{
const Value& color = obj["Color"];
if (!color.IsNull())
{
FbxGeometryElementVertexColor* pColorElement = pMesh->CreateElementVertexColor();
FBX_ASSERT(pColorElement != NULL);
pColorElement->SetMappingMode(FbxGeometryElement::eByControlPoint);
pColorElement->SetReferenceMode(FbxGeometryElement::eDirect);
FbxLayerElementArrayTemplate<FbxColor>& array = pColorElement->GetDirectArray();
for (int i = 0; i < numVertex; i++)
{
double r = color[i * 4 + 0].GetDouble();
double g = color[i * 4 + 1].GetDouble();
double b = color[i * 4 + 2].GetDouble();
double a = color[i * 4 + 3].GetDouble();
array.Add(FbxColor(r, g, b, a));
}
}
}
{
const Value& Indeices = obj["Indeices"];
for (uint32_t subMesh = 0; subMesh < Indeices.Size(); subMesh++)
{
const Value& index0 = Indeices[subMesh];
int numIndex = index0.Size();
printf("index %d\n", numIndex);
for (int i = 0; i < numIndex / 3; i++)
{
pMesh->BeginPolygon(-1, -1, subMesh);
int index[3] = {
index0[i * 3 + 0].GetInt(),
index0[i * 3 + 1].GetInt(),
index0[i * 3 + 2].GetInt(),
};
pMesh->AddPolygon(index[0]);
pMesh->AddPolygon(index[2]);
pMesh->AddPolygon(index[1]);
pMesh->EndPolygon();
}
}
}
//////////////////////////////////////////////////////////////////////////
// export skin
const Value& boneIndex = obj["BoneIndex"];
if (!boneIndex.IsNull())
{
if (fbxBones.empty())
{
printf("no bones, can not export skin");
return;
}
const Value& boneWeight = obj["BoneWeight"];
vector<FbxCluster*> clusters(fbxBones.size(), NULL);
for (uint32_t i = 0; i < fbxBones.size(); i++) {
FbxCluster* pCluster = FbxCluster::Create(pScene, "");
pCluster->SetLink(fbxBones[i]);
pCluster->SetLinkMode(FbxCluster::eTotalOne);
clusters[i] = pCluster;
}
for (int i = 0; i < numVertex; i++) {
for (int j = 0; j < 4; j++) {
int bone = boneIndex[i * 4 + j].GetInt();
double weight = boneWeight[i * 4 + j].GetDouble();
clusters[bone]->AddControlPointIndex(i, weight);
}
}
FbxSkin* lSkin = FbxSkin::Create(pScene, "");
FbxScene* p = pNode->GetScene();
FbxAMatrix modelMatrix = pNode->EvaluateGlobalTransform();
for (uint32_t i = 0; i < clusters.size(); i++) {
clusters[i]->SetTransformMatrix(modelMatrix);
FbxAMatrix boneMatrix = fbxBones[i]->EvaluateGlobalTransform();
clusters[i]->SetTransformLinkMatrix(boneMatrix);
lSkin->AddCluster(clusters[i]);
}
pMesh->AddDeformer(lSkin);
}
}
void ExportBones(const Value& obj)
{
const Value& boneName = obj["BoneName"];
if (boneName.IsNull())
{
return;
}
//string name = obj["Name"].GetString();
const Value& parentIndex = obj["ParentIndex"];
const Value& boneTransform = obj["BoneTransform"];
fbxBones.resize(boneName.Size());
for (uint32_t i = 0; i < fbxBones.size(); i++)
{
FbxNode* boneNode = FbxNode::Create(pScene, boneName[i].GetString());
fbxBones[i] = boneNode;
double x, y, z, w;
x = boneTransform[i * 7 + 0].GetDouble();
x = -x;
y = boneTransform[i * 7 + 1].GetDouble();
z = boneTransform[i * 7 + 2].GetDouble();
boneNode->LclTranslation.Set(FbxDouble3(x, y, z));
x = boneTransform[i * 7 + 3].GetDouble();
y = boneTransform[i * 7 + 4].GetDouble();
z = boneTransform[i * 7 + 5].GetDouble();
w = boneTransform[i * 7 + 6].GetDouble();
FbxSkeleton* pSkeleton = FbxSkeleton::Create(pScene, boneName[i].GetString());
int parent = parentIndex[i].GetInt();
if (parent == -1) {
pSkeleton->SetSkeletonType(FbxSkeleton::eRoot);
}
else {
pSkeleton->SetSkeletonType(FbxSkeleton::eLimbNode);
pSkeleton->Size.Set(0.1);
}
boneNode->SetNodeAttribute(pSkeleton);
}
for (uint32_t i = 0; i < fbxBones.size(); i++) {
int parent = parentIndex[i].GetInt();
if (parent == -1) {
pScene->GetRootNode()->AddChild(fbxBones[i]);
}
else {
fbxBones[parent]->AddChild(fbxBones[i]);
}
}
FbxPose* lPose = FbxPose::Create(pScene, boneName[0].GetString());
// default pose type is rest pose, so we need to set the type as bind pose
lPose->SetIsBindPose(true);
for (uint32_t i = 0; i < fbxBones.size(); i++) {
FbxNode* lKFbxNode = fbxBones[i];
FbxMatrix lBindMatrix = lKFbxNode->EvaluateGlobalTransform();
lPose->Add(lKFbxNode, lBindMatrix);
}
pScene->AddPose(lPose);
}
