void FbxLoader::LoadAnimationClipData()
{
// load animation data
const int animCount = scene->GetSrcObjectCount<FbxAnimStack>();
for(int ac = 0; ac < animCount; ++ac) {
FbxAnimStack* currAnimStack = scene->GetSrcObject<FbxAnimStack>(ac);
if(!currAnimStack) return;
FbxString animStackName = currAnimStack->GetName();
FbxTakeInfo* takeInfo = scene->GetTakeInfo(animStackName);
if(!takeInfo) return;
FbxTime start = takeInfo->mLocalTimeSpan.GetStart();
FbxTime stop = takeInfo->mLocalTimeSpan.GetStop();
FbxTime::EMode mode = FbxTime::eDefaultMode;
int startFrame = (int)start.GetFrameCount(mode);
int stopFrame = (int)stop.GetFrameCount(mode);
int animLength = stopFrame - startFrame + 1;
shared_ptr<AnimClip> clip = make_shared<AnimClip>();
clip->name = animStackName;
animationClips[clip->name] = clip;
}
}
std::string OsgFbxReader::readFbxAnimation(FbxNode* pNode, const char* targetName)
{
std::string result;
for (int i = 0; i < fbxScene.GetSrcObjectCount<FbxAnimStack>(); ++i)
{
FbxAnimStack* pAnimStack = FbxCast<FbxAnimStack>(fbxScene.GetSrcObject<FbxAnimStack>(i));
int nbAnimLayers = pAnimStack->GetMemberCount<FbxAnimLayer>();
const char* pTakeName = pAnimStack->GetName();
if (!pTakeName || !*pTakeName)
continue;
for (int j = 0; j < nbAnimLayers; j++)
{
FbxAnimLayer* pAnimLayer = pAnimStack->GetMember<FbxAnimLayer>(j);
osgAnimation::Animation* pAnimation = ::readFbxAnimation(pNode, pAnimLayer, pTakeName, targetName, pAnimationManager);
if (pAnimation)
{
result = targetName;
}
}
}
return result;
}
bool Animation::save(QString file)
{
// ex:
// create a SdkManager
FbxManager* lSdkManager = FbxManager::Create();
// create an IOSettings object
FbxIOSettings* ios = FbxIOSettings::Create(lSdkManager, IOSROOT);
// set some IOSettings options
ios->SetBoolProp(EXP_FBX_MATERIAL, true);
ios->SetBoolProp(EXP_FBX_TEXTURE, true);
ios->SetBoolProp(EXP_FBX_SHAPE, true);
ios->SetBoolProp(EXP_FBX_GOBO, true);
ios->SetBoolProp(EXP_FBX_ANIMATION, true);
ios->SetBoolProp(EXP_FBX_GLOBAL_SETTINGS, true);
// create an empty scene
FbxScene* pScene = FbxScene::Create(lSdkManager, m_name.toStdString().c_str());
QMap<int,FbxNode*> nodes;
FbxNode* lRootNode = pScene->GetRootNode();
// Create the Animation Stack
FbxAnimStack* lAnimStack = FbxAnimStack::Create(pScene, "Show all faces");
// The animation nodes can only exist on AnimLayers therefore it is mandatory to
// add at least one AnimLayer to the AnimStack. And for the purpose of this example,
// one layer is all we need.
FbxAnimLayer* lAnimLayer = FbxAnimLayer::Create(pScene, "Base animation Layer");
lAnimStack->AddMember(lAnimLayer);
int time = 0;
foreach (const Frame &frame, m_frames)
{
time += frame.elapsedTime();
foreach (const Marker &marker, frame.markers())
{
int id = marker.id();
if(! nodes.contains(id))
{
FbxNode *newMarker = WccToFbxExporter::createSphere(pScene, (QString("marker_")+QString::number(id)).toStdString().c_str() , 1.0f);
nodes[id] = newMarker;
lRootNode->AddChild(newMarker);
}
WccToFbxExporter::addPositionKeyToNode(nodes[id], lAnimLayer, time, marker.position()*m_roomDimensions);
}
}
void Tools::DisplayAnimation::DisplayAnimation(FbxScene* i_scene)
{
DisplayCommon::DisplayString( "\n\n--------------------\nAnimation\n--------------------" );
int i;
for ( i = 0; i < i_scene->GetSrcObjectCount<FbxAnimStack>(); i++ )
{
FbxAnimStack *animStack = i_scene->GetSrcObject<FbxAnimStack>( i );
FbxString string = "Animation Stack Name: ";
string += animStack->GetName();
string += "\n";
FBXSDK_printf( string );
DisplayCommon::DisplayString( string );
DisplayAnimation( animStack, i_scene->GetRootNode(), true );
DisplayAnimation( animStack, i_scene->GetRootNode() );
}
}
void fbxLoader2::readAnimationTakeData(FbxNode* node)
{
FbxAnimStack* pAnimStack = FbxCast<FbxAnimStack>(scene->GetSrcObject(FBX_TYPE(FbxAnimStack)));
FbxAnimLayer* pAnimLayer = pAnimStack->GetMember(FBX_TYPE(FbxAnimLayer));
FbxAnimCurve* animCv = node->LclTranslation.GetCurve(pAnimLayer, FBXSDK_CURVENODE_COMPONENT_X);
FbxTimeSpan length = FbxTimeSpan();
int p = animCv->KeyGetCount();
const char* nameAnim = animCv->GetName();
const size_t len = strlen(nameAnim);
char * new_name = new char[len + 1];
strncpy(new_name, nameAnim, len);
animCv->GetTimeInterval(length);
FbxTime duration = length.GetDuration();
FbxTime::EMode mode = duration.GetGlobalTimeMode();
double frameRate = duration.GetFrameRate(mode);
double startt = length.GetStart().GetMilliSeconds();
double endt = length.GetStop().GetMilliSeconds();
int frames = animCv->KeyGetCount();
animationStructure = new AnimationData(new_name, startt, endt, (int)frameRate, frames);
for (int i = 0; i< frames; i++)
{
SkeletalData *sk = new SkeletalData();
for(int j = 0; j<skeleton->GetBonesCount(); j++)
{
BoneData *bonecopy = new BoneData();
bonecopy->SetID(skeleton->GetBone(j)->GetID());
bonecopy->SetName(skeleton->GetBone(j)->GetName());
bonecopy->SetParent(skeleton->GetBone(j)->GetParent());
sk->SetBones(bonecopy);
}
animationStructure->SetSkeleton(sk, i);
}
}
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;
}
int32 UnFbx::FFbxImporter::GetMaxSampleRate(TArray<FbxNode*>& SortedLinks, TArray<FbxNode*>& NodeArray)
{
int32 MaxStackResampleRate = 0;
int32 AnimStackCount = Scene->GetSrcObjectCount<FbxAnimStack>();
for( int32 AnimStackIndex = 0; AnimStackIndex < AnimStackCount; AnimStackIndex++)
{
FbxAnimStack* CurAnimStack = Scene->GetSrcObject<FbxAnimStack>(AnimStackIndex);
FbxTimeSpan AnimStackTimeSpan = GetAnimationTimeSpan(SortedLinks[0], CurAnimStack);
double AnimStackStart = AnimStackTimeSpan.GetStart().GetSecondDouble();
double AnimStackStop = AnimStackTimeSpan.GetStop().GetSecondDouble();
FbxAnimLayer* AnimLayer = (FbxAnimLayer*)CurAnimStack->GetMember(0);
for(int32 LinkIndex = 0; LinkIndex < SortedLinks.Num(); ++LinkIndex)
{
FbxNode* CurrentLink = SortedLinks[LinkIndex];
FbxAnimCurve* Curves[6];
Curves[0] = CurrentLink->LclTranslation.GetCurve(AnimLayer, FBXSDK_CURVENODE_COMPONENT_X, false);
Curves[1] = CurrentLink->LclTranslation.GetCurve(AnimLayer, FBXSDK_CURVENODE_COMPONENT_Y, false);
Curves[2] = CurrentLink->LclTranslation.GetCurve(AnimLayer, FBXSDK_CURVENODE_COMPONENT_Z, false);
Curves[3] = CurrentLink->LclRotation.GetCurve(AnimLayer, FBXSDK_CURVENODE_COMPONENT_X, false);
Curves[4] = CurrentLink->LclRotation.GetCurve(AnimLayer, FBXSDK_CURVENODE_COMPONENT_Y, false);
Curves[5] = CurrentLink->LclRotation.GetCurve(AnimLayer, FBXSDK_CURVENODE_COMPONENT_Z, false);
for(int32 CurveIndex = 0; CurveIndex < 6; ++CurveIndex)
{
FbxAnimCurve* CurrentCurve = Curves[CurveIndex];
if(CurrentCurve)
{
int32 KeyCount = CurrentCurve->KeyGetCount();
FbxTimeSpan TimeInterval(FBXSDK_TIME_INFINITE,FBXSDK_TIME_MINUS_INFINITE);
bool bValidTimeInterval = CurrentCurve->GetTimeInterval(TimeInterval);
if(KeyCount > 1 && bValidTimeInterval)
{
double KeyAnimLength = TimeInterval.GetDuration().GetSecondDouble();
double KeyAnimStart = TimeInterval.GetStart().GetSecondDouble();
double KeyAnimStop = TimeInterval.GetStop().GetSecondDouble();
if(KeyAnimLength != 0.0)
{
// 30 fps animation has 31 keys because it includes index 0 key for 0.0 second
int32 NewRate = FPlatformMath::RoundToInt((KeyCount-1) / KeyAnimLength);
MaxStackResampleRate = FMath::Max(NewRate, MaxStackResampleRate);
}
}
}
}
}
}
// Make sure we're not hitting 0 for samplerate
if ( MaxStackResampleRate != 0 )
{
return MaxStackResampleRate;
}
return DEFAULT_SAMPLERATE;
}
/**
* Add to the animation set, the animations contained within the FBX document, for the given skeleton
*/
UAnimSequence * UnFbx::FFbxImporter::ImportAnimations(USkeleton* Skeleton, UObject* Outer, TArray<FbxNode*>& SortedLinks, const FString& Name, UFbxAnimSequenceImportData* TemplateImportData, TArray<FbxNode*>& NodeArray)
{
// we need skeleton to create animsequence
if (Skeleton == NULL)
{
return NULL;
}
int32 ValidTakeCount = 0;
if (IsValidAnimationData(SortedLinks, NodeArray, ValidTakeCount) == false)
{
AddTokenizedErrorMessage(FTokenizedMessage::Create(EMessageSeverity::Warning, LOCTEXT("FBXImport_InvalidAnimationData", "This does not contain any valid animation takes.")), FFbxErrors::Animation_InvalidData);
return NULL;
}
UAnimSequence* LastCreatedAnim = NULL;
int32 ResampleRate = DEFAULT_SAMPLERATE;
if ( ImportOptions->bResample )
{
// For FBX data, "Frame Rate" is just the speed at which the animation is played back. It can change
// arbitrarily, and the underlying data can stay the same. What we really want here is the Sampling Rate,
// ie: the number of animation keys per second. These are the individual animation curve keys
// on the FBX nodes of the skeleton. So we loop through the nodes of the skeleton and find the maximum number
// of keys that any node has, then divide this by the total length (in seconds) of the animation to find the
// sampling rate of this set of data
// we want the maximum resample rate, so that we don't lose any precision of fast anims,
// and don't mind creating lerped frames for slow anims
int32 MaxStackResampleRate = GetMaxSampleRate(SortedLinks, NodeArray);
if(MaxStackResampleRate != 0)
{
ResampleRate = MaxStackResampleRate;
}
}
int32 AnimStackCount = Scene->GetSrcObjectCount<FbxAnimStack>();
for( int32 AnimStackIndex = 0; AnimStackIndex < AnimStackCount; AnimStackIndex++ )
{
FbxAnimStack* CurAnimStack = Scene->GetSrcObject<FbxAnimStack>(AnimStackIndex);
FbxTimeSpan AnimTimeSpan = GetAnimationTimeSpan(SortedLinks[0], CurAnimStack);
bool bValidAnimStack = ValidateAnimStack(SortedLinks, NodeArray, CurAnimStack, ResampleRate, ImportOptions->bImportMorph, AnimTimeSpan);
// no animation
if (!bValidAnimStack)
{
continue;
}
FString SequenceName = Name;
if (ValidTakeCount > 1)
{
SequenceName += "_";
SequenceName += UTF8_TO_TCHAR(CurAnimStack->GetName());
}
// See if this sequence already exists.
SequenceName = ObjectTools::SanitizeObjectName(SequenceName);
FString ParentPath = FString::Printf(TEXT("%s/%s"), *FPackageName::GetLongPackagePath(*Outer->GetName()), *SequenceName);
UObject* ParentPackage = CreatePackage(NULL, *ParentPath);
UObject* Object = LoadObject<UObject>(ParentPackage, *SequenceName, NULL, LOAD_None, NULL);
UAnimSequence * DestSeq = Cast<UAnimSequence>(Object);
// if object with same name exists, warn user
if (Object && !DestSeq)
{
AddTokenizedErrorMessage(FTokenizedMessage::Create(EMessageSeverity::Error, LOCTEXT("Error_AssetExist", "Asset with same name exists. Can't overwrite another asset")), FFbxErrors::Generic_SameNameAssetExists);
continue; // Move on to next sequence...
}
// If not, create new one now.
if(!DestSeq)
{
DestSeq = NewObject<UAnimSequence>(ParentPackage, *SequenceName, RF_Public | RF_Standalone);
// Notify the asset registry
FAssetRegistryModule::AssetCreated(DestSeq);
}
else
{
DestSeq->RecycleAnimSequence();
}
DestSeq->SetSkeleton(Skeleton);
// since to know full path, reimport will need to do same
UFbxAnimSequenceImportData* ImportData = UFbxAnimSequenceImportData::GetImportDataForAnimSequence(DestSeq, TemplateImportData);
ImportData->Update(UFactory::CurrentFilename);
ImportAnimation(Skeleton, DestSeq, Name, SortedLinks, NodeArray, CurAnimStack, ResampleRate, AnimTimeSpan);
LastCreatedAnim = DestSeq;
}
return LastCreatedAnim;
}
bool UnFbx::FFbxImporter::IsValidAnimationData(TArray<FbxNode*>& SortedLinks, TArray<FbxNode*>& NodeArray, int32& ValidTakeCount)
{
// If there are no valid links, then we cannot import the anim set
if(SortedLinks.Num() == 0)
{
return false;
}
ValidTakeCount = 0;
int32 AnimStackCount = Scene->GetSrcObjectCount<FbxAnimStack>();
int32 AnimStackIndex;
for (AnimStackIndex = 0; AnimStackIndex < AnimStackCount; AnimStackIndex++ )
{
FbxAnimStack* CurAnimStack = Scene->GetSrcObject<FbxAnimStack>(AnimStackIndex);
// set current anim stack
Scene->SetCurrentAnimationStack(CurAnimStack);
// debug purpose
for (int32 BoneIndex = 0; BoneIndex < SortedLinks.Num(); BoneIndex++)
{
FString BoneName = UTF8_TO_TCHAR(MakeName(SortedLinks[BoneIndex]->GetName()));
UE_LOG(LogFbx, Log, TEXT("SortedLinks :(%d) %s"), BoneIndex, *BoneName );
}
FbxTimeSpan AnimTimeSpan = GetAnimationTimeSpan(SortedLinks[0], CurAnimStack);
if (AnimTimeSpan.GetDuration() <= 0)
{
AddTokenizedErrorMessage(FTokenizedMessage::Create(EMessageSeverity::Warning, FText::Format(LOCTEXT("FBXImport_ZeroLength", "Animation Stack {0} does not contain any valid key. Try different time options when import."), FText::FromString(UTF8_TO_TCHAR(CurAnimStack->GetName())))), FFbxErrors::Animation_ZeroLength);
continue;
}
ValidTakeCount++;
{
bool bBlendCurveFound = false;
for ( int32 NodeIndex = 0; !bBlendCurveFound && 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);
int32 BlendShapeChannelCount = BlendShape->GetBlendShapeChannelCount();
for(int32 ChannelIndex = 0; ChannelIndex<BlendShapeChannelCount; ++ChannelIndex)
{
FbxBlendShapeChannel* Channel = BlendShape->GetBlendShapeChannel(ChannelIndex);
if(Channel)
{
// Get the percentage of influence of the shape.
FbxAnimCurve* Curve = Geometry->GetShapeChannel(BlendShapeIndex, ChannelIndex, (FbxAnimLayer*)CurAnimStack->GetMember(0));
if (Curve && Curve->KeyGetCount() > 0)
{
bBlendCurveFound = true;
break;
}
}
}
}
}
}
}
}
return ( ValidTakeCount != 0 );
}
void fbxLoader2::processMesh(FbxNode* node)
{
FbxMesh* mesh = node->GetMesh();
this->readAnimationWeigths(mesh);
if(mesh!=NULL && mesh->IsTriangleMesh())
{
for (int i = 0; i<mesh->GetControlPointsCount(); i++)
{
readVertex(mesh, i, &vertex[i]);
vertexArray[i].position = D3DXVECTOR3(vertex[i]);
}
int a = mesh->GetPolygonVertexCount();
for (int i = 0; i<mesh->GetPolygonVertexCount(); i++)
{
readUV(mesh, i, 0, &uv[i]);
readNormal(mesh, i, &normal[i]);
indices[i].indice = mesh->GetPolygonVertices()[i];
indices[i].normal1 = normal[i];
indices[i].uv1 = uv[i];
indicesMeshCount++;
}
}
//vertexLists.push_back(vertexArray);
indiceLists.push_back(indices);
FbxAnimStack* pAnimStack = FbxCast<FbxAnimStack>(scene->GetSrcObject(FBX_TYPE(FbxAnimStack)));
int numAnimLayers = pAnimStack->GetMemberCount(FBX_TYPE(FbxAnimLayer));
this->setBindPoseCluster(node);
for (int i = 0; i < numAnimLayers; i++)
{
FbxAnimLayer* pAnimLayer = pAnimStack->GetMember(FBX_TYPE(FbxAnimLayer), i);
FbxAnimCurve* animCv = this->findSkeletonRootBone(scene->GetRootNode())->GetChild(0)->LclTranslation.GetCurve(pAnimLayer, FBXSDK_CURVENODE_COMPONENT_X);
if (animCv)
{
FbxTimeSpan animationLength;
int p = animCv->KeyGetCount();
animCv->GetTimeInterval(animationLength);
for(int j = 0; j<animationStructure->GetFramesNumber();j++)
{
FbxTime timeKey = animCv->KeyGet(j).mTime;
//FbxTime interval = (duration/p)*j + animationLength.GetStart();
//int intervalVal = (duration.GetSecondCount()/p)*j + animationLength.GetStart().GetSecondCount();
const FbxTime pTime = animCv->KeyGet(j).mTime;
FbxAMatrix pGlobalPos = GetGlobalPosition(node, pTime, scene->GetPose(j));
ComputeSkinDeformation(pGlobalPos, mesh, timeKey, scene->GetPose(j), j);
}
}
}
for(int i = 0; i<node->GetChildCount(); i++)
{
processMesh(node->GetChild(i));
}
}
void FbxToHkxConverter::extractKeyFramesAndAnnotations(hkxScene *scene, FbxNode* fbxChildNode, hkxNode* newChildNode, int animStackIndex)
{
FbxAMatrix bindPoseMatrix;
FbxAnimStack* lAnimStack = NULL;
int numAnimLayers = 0;
FbxTimeSpan animTimeSpan;
if (animStackIndex >= 0)
{
lAnimStack = m_curFbxScene->GetSrcObject<FbxAnimStack>(animStackIndex);
numAnimLayers = lAnimStack->GetMemberCount<FbxAnimLayer>();
animTimeSpan = lAnimStack->GetLocalTimeSpan();
}
// Find the time offset (in the "time space" of the FBX file) of the first animation frame
FbxTime timePerFrame; timePerFrame.SetTime(0, 0, 0, 1, 0, m_curFbxScene->GetGlobalSettings().GetTimeMode());
const FbxTime startTime = animTimeSpan.GetStart();
const FbxTime endTime = animTimeSpan.GetStop();
const hkReal startTimeSeconds = static_cast<hkReal>(startTime.GetSecondDouble());
const hkReal endTimeSeconds = static_cast<hkReal>(endTime.GetSecondDouble());
int numFrames = 0;
bool staticNode = true;
if (scene->m_sceneLength == 0)
{
bindPoseMatrix = fbxChildNode->EvaluateLocalTransform(startTime);
}
else
{
hkArray<hkStringOld> annotationStrings;
hkArray<hkReal> annotationTimes;
HK_ASSERT(0x0, newChildNode->m_keyFrames.getSize() == 0);
// Sample each animation frame
for (FbxTime time = startTime, priorSampleTime = endTime;
time < endTime;
priorSampleTime = time, time += timePerFrame, ++numFrames)
{
FbxAMatrix frameMatrix = fbxChildNode->EvaluateLocalTransform(time);
staticNode = staticNode && (frameMatrix == bindPoseMatrix);
hkMatrix4 mat;
// Extract this frame's transform
convertFbxXMatrixToMatrix4(frameMatrix, mat);
newChildNode->m_keyFrames.pushBack(mat);
// Extract all annotation strings for this frame using the deprecated
// pipeline (new annotations are extracted when sampling attributes)
if (m_options.m_exportAnnotations && numAnimLayers > 0)
{
FbxProperty prop = fbxChildNode->GetFirstProperty();
while(prop.IsValid())
{
FbxString propName = prop.GetName();
FbxDataType lDataType = prop.GetPropertyDataType();
hkStringOld name(propName.Buffer(), (int) propName.GetLen());
if (name.asUpperCase().beginsWith("HK") && lDataType.GetType() == eFbxEnum)
{
FbxAnimLayer* lAnimLayer = lAnimStack->GetMember<FbxAnimLayer>(0);
FbxAnimCurve* lAnimCurve = prop.GetCurve(lAnimLayer);
int currentKeyIndex;
const int keyIndex = (int) lAnimCurve->KeyFind(time, ¤tKeyIndex);
const int priorKeyIndex = (int) lAnimCurve->KeyFind(priorSampleTime);
// Only store annotations on frames where they're explicitly keyframed, or if this is the first keyframe
if (priorKeyIndex != keyIndex)
{
const int currentEnumValueIndex = keyIndex < 0 ? (int) lAnimCurve->Evaluate(priorSampleTime) : (int) lAnimCurve->Evaluate(time);
HK_ASSERT(0x0, currentEnumValueIndex < prop.GetEnumCount());
const char* enumValue = prop.GetEnumValue(currentEnumValueIndex);
hkxNode::AnnotationData& annotation = newChildNode->m_annotations.expandOne();
annotation.m_time = (hkReal) (time - startTime).GetSecondDouble();
annotation.m_description = (name + hkStringOld(enumValue, hkString::strLen(enumValue))).cString();
}
}
prop = fbxChildNode->GetNextProperty(prop);
}
}
}
}
// Replace animation key data for static nodes with just 1 or 2 frames of bind pose data
if (staticNode)
{
// Static nodes in animated scene data are exported with two keys
const bool exportTwoFramesForStaticNodes = (numFrames > 1);
// replace transform
newChildNode->m_keyFrames.setSize(exportTwoFramesForStaticNodes ? 2: 1);
newChildNode->m_keyFrames.optimizeCapacity(0, true);
// convert the bind pose transform to Havok format
convertFbxXMatrixToMatrix4(bindPoseMatrix, newChildNode->m_keyFrames[0]);
if (exportTwoFramesForStaticNodes)
{
newChildNode->m_keyFrames[1] = newChildNode->m_keyFrames[0];
}
}
// Extract all times of actual keyframes for the current node... this can be used by Vision
if ( m_options.m_storeKeyframeSamplePoints &&
newChildNode->m_keyFrames.getSize() > 2 &&
numAnimLayers > 0 )
{
FbxAnimLayer* lAnimLayer = lAnimStack->GetMember<FbxAnimLayer>(0);
extractKeyTimes(fbxChildNode, lAnimLayer, FBXSDK_CURVENODE_TRANSLATION, newChildNode, startTimeSeconds, endTimeSeconds);
extractKeyTimes(fbxChildNode, lAnimLayer, FBXSDK_CURVENODE_ROTATION, newChildNode, startTimeSeconds, endTimeSeconds);
extractKeyTimes(fbxChildNode, lAnimLayer, FBXSDK_CURVENODE_SCALING, newChildNode, startTimeSeconds, endTimeSeconds);
extractKeyTimes(fbxChildNode, lAnimLayer, FBXSDK_CURVENODE_COMPONENT_X, newChildNode, startTimeSeconds, endTimeSeconds);
extractKeyTimes(fbxChildNode, lAnimLayer, FBXSDK_CURVENODE_COMPONENT_Y, newChildNode, startTimeSeconds, endTimeSeconds);
extractKeyTimes(fbxChildNode, lAnimLayer, FBXSDK_CURVENODE_COMPONENT_Z, newChildNode, startTimeSeconds, endTimeSeconds);
if (newChildNode->m_linearKeyFrameHints.getSize() > 1)
{
hkSort(newChildNode->m_linearKeyFrameHints.begin(), newChildNode->m_linearKeyFrameHints.getSize());
}
}
}
// This method is templated on the implementation of hctMayaSceneExporter/hctMaxSceneExporter::createScene()
bool FbxToHkxConverter::createSceneStack(int animStackIndex)
{
hkxScene *scene = new hkxScene;
scene->m_modeller.set(m_modeller.cString());
scene->m_asset = m_curFbxScene->GetSceneInfo()->Original_FileName.Get();
if (m_rootNode)
{
// create root node
hkxNode* rootNode = new hkxNode;
bool rigPass = (animStackIndex == -1);
int currentAnimStackIndex = -1;
FbxAnimStack* lAnimStack = NULL;
if (rigPass && m_numAnimStacks > 0)
{
currentAnimStackIndex = 0;
}
else if (animStackIndex >= 0)
{
currentAnimStackIndex = animStackIndex;
}
if (currentAnimStackIndex != -1)
{
lAnimStack = m_curFbxScene->GetSrcObject<FbxAnimStack>(currentAnimStackIndex);
m_curFbxScene->GetEvaluator()->SetContext(lAnimStack);
}
if (rigPass)
{
rootNode->m_name = "ROOT_NODE";
scene->m_sceneLength = 0.f;
scene->m_numFrames = 1;
printf("Converting nodes for root...\n");
}
else
{
rootNode->m_name = lAnimStack->GetName();
const FbxTimeSpan animTimeSpan = lAnimStack->GetLocalTimeSpan();
scene->m_sceneLength = static_cast<hkReal>( animTimeSpan.GetDuration().GetSecondDouble() );
scene->m_numFrames = static_cast<hkUint32>( animTimeSpan.GetDuration().GetFrameCount(m_curFbxScene->GetGlobalSettings().GetTimeMode()) );
printf("Converting nodes for [%s]...\n", rootNode->m_name.cString());
}
scene->m_rootNode = rootNode;
rootNode->removeReference();
// Setup (identity) keyframes(s) for the 'static' root node
rootNode->m_keyFrames.setSize( scene->m_numFrames > 1 ? 2 : 1, hkMatrix4::getIdentity() );
addNodesRecursive(scene, m_rootNode, scene->m_rootNode, currentAnimStackIndex);
}
m_scenes.pushBack(scene);
return true;
}
//===============================================================================================================================
void FBXLoader::LoadJointsAndAnimation(FbxNode* inNode)
{
// This is how each subset gets its bone/joint for animation
FBXSubsets* subset = mSubsets[iCurrentSubset];
FbxMesh* mesh = inNode->GetMesh();
uint32 numOfDeformers = mesh->GetDeformerCount();
FbxAMatrix geomTrans = ZShadeSandboxMesh::FBXHelper::GetGeometryTransformation(inNode);
// A deformer contains clusters.
// A cluster contains a link, which is a joint.
// Normally, There is only one deformer in a mesh but Maya has many types.
for (uint32 deformerIndex = 0; deformerIndex < numOfDeformers; ++deformerIndex)
{
// Lets see if this deformer is a skin
FbxSkin* skin = reinterpret_cast<FbxSkin*>(mesh->GetDeformer(deformerIndex, FbxDeformer::eSkin));
if (!skin) continue;
uint32 numOfClusters = skin->GetClusterCount();
for (uint32 clusterIndex = 0; clusterIndex < numOfClusters; ++clusterIndex)
{
FbxCluster* cluster = skin->GetCluster(clusterIndex);
string jointName = cluster->GetLink()->GetName();
uint32 jointIndex = FindJointIndexUsingName(jointName);
subset->mJoints.push_back(jointIndex);
FbxAMatrix transform;
FbxAMatrix transformLink;
FbxAMatrix globalBindposeInverse;
// The transformation of the mesh at binding time
cluster->GetTransformMatrix(transform);
// The transformation of the cluster (joint) at binding time from joint space to world space
cluster->GetTransformLinkMatrix(transformLink);
globalBindposeInverse = transformLink.Inverse() * transform * geomTrans;
// Update skeletal information
mSkeleton.joints[jointIndex].globalBindposeInverse = globalBindposeInverse;
mSkeleton.joints[jointIndex].node = cluster->GetLink();
// Associate each joint with the control points it affects
uint32 numOfIndices = cluster->GetControlPointIndicesCount();
for (uint32 i = 0; i < numOfIndices; ++i)
{
ZShadeSandboxMesh::BlendingIndexWeightPair currBlendingIndexWeightPair;
currBlendingIndexWeightPair.blendingIndex = jointIndex;
currBlendingIndexWeightPair.blendingWeight = cluster->GetControlPointWeights()[i];
mControlPoints[cluster->GetControlPointIndices()[i]]->blendingInfo.push_back(currBlendingIndexWeightPair);
}
// Animation information
FbxAnimStack* animStack = m_pFbxScene->GetSrcObject<FbxAnimStack>(0);
FbxString animStackName = animStack->GetName();
mAnimationName = animStackName.Buffer();
FbxTakeInfo* takeInfo = m_pFbxScene->GetTakeInfo(animStackName);
FbxTime start = takeInfo->mLocalTimeSpan.GetStart();
FbxTime end = takeInfo->mLocalTimeSpan.GetStop();
mAnimationLength = end.GetFrameCount(FbxTime::eFrames24) - start.GetFrameCount(FbxTime::eFrames24) + 1;
FBXKeyframe** anim = &mSkeleton.joints[jointIndex].animation;
for (FbxLongLong i = start.GetFrameCount(FbxTime::eFrames24); i <= end.GetFrameCount(FbxTime::eFrames24); ++i)
{
FbxTime time;
time.SetFrame(i, FbxTime::eFrames24);
*anim = new FBXKeyframe();
(*anim)->frameNum = i;
FbxAMatrix currentTransformOffset = inNode->EvaluateGlobalTransform(time) * geomTrans;
(*anim)->globalTransform = currentTransformOffset.Inverse() * cluster->GetLink()->EvaluateGlobalTransform(time);
anim = &((*anim)->next);
}
}
}
// Some control points have less than 4 joints
// For a normal renderer, there are usually 4 joints
ZShadeSandboxMesh::BlendingIndexWeightPair currBlendingIndexWeightPair;
currBlendingIndexWeightPair.blendingIndex = 0;
currBlendingIndexWeightPair.blendingWeight = 0;
for (auto itr = mControlPoints.begin(); itr != mControlPoints.end(); ++itr)
{
for (unsigned int i = itr->second->blendingInfo.size(); i <= 4; ++i)
{
itr->second->blendingInfo.push_back(currBlendingIndexWeightPair);
}
}
}
void ExportAnimation(const Value& obj)
{
double timeLength = obj["Time"].GetDouble();
double frameRate = obj["FrameRate"].GetDouble();
const Value& animCurve = obj["CurveData"];
FbxAnimStack* lAnimStack = FbxAnimStack::Create(pScene, "base stack");
FbxAnimLayer* lAnimLayer = FbxAnimLayer::Create(pScene, "Base Layer");
lAnimStack->AddMember(lAnimLayer);
uint32_t i = 0, j = 0;
while (true)
{
if (i >= animCurve.Size())
{
break;
}
const Value& first = animCurve[i];
j = i + 1;
while (j < animCurve.Size())
{
const Value& last = animCurve[j];
if (strcmp(first["path"].GetString(), last["path"].GetString()) != 0)
{
break;
}
j++;
}
FbxNode* pNode = FindNode(first["path"].GetString());
if (pNode == NULL)
{
printf("path %s node not found!!!!!!!!!!!!!!!!!!!!\n", first["path"].GetString());
}
else
{
printf("%d path %s node found %p\n", j - i, first["path"].GetString(), pNode);
FbxAnimCurveNode* curveNode = pNode->LclRotation.GetCurveNode(lAnimLayer, true);
if (curveNode)
{
unsigned int numChannel = curveNode->GetChannelsCount();
for (uint32_t n = 0; n < numChannel; n++)
{
FbxString name = curveNode->GetChannelName(n);
printf("%d %s\n", n, (const char*)name);
}
return;
}
ExportCurve(lAnimLayer, pNode, animCurve, i, j);
}
i = j;
}
}
//-----------------------------------------------------------------------------------
static void ImportMotions(SceneImport* import, FbxScene* scene, Matrix4x4& matrixStackTop, std::map<int, FbxNode*>& map, float framerate)
{
int animationCount = scene->GetSrcObjectCount<FbxAnimStack>();
if (animationCount == 0)
{
return;
}
if (import->skeletons.size() == 0)
{
return;
}
//Timing information for animation in this scene. How fast is the framerate in this file?
FbxGlobalSettings& settings = scene->GetGlobalSettings();
FbxTime::EMode timeMode = settings.GetTimeMode();
double sceneFramerate;
if (timeMode == FbxTime::eCustom)
{
sceneFramerate = settings.GetCustomFrameRate();
}
else
{
sceneFramerate = FbxTime::GetFrameRate(timeMode);
}
//Only supporting one skeleton for now, update when needed.
uint32_t skeletonCount = import->skeletons.size();
Skeleton* skeleton= import->skeletons.at(0);
ASSERT_OR_DIE(skeletonCount == 1, "Had multiple skeletons, we only support 1!");
//Time between frames
FbxTime advance;
advance.SetSecondDouble((double)(1.0f / framerate));
for (int animIndex = 0; animIndex < animationCount; ++animIndex)
{
//Import Motions
FbxAnimStack* anim = scene->GetSrcObject<FbxAnimStack>();
if (nullptr == anim)
{
continue;
}
FbxTime startTime = anim->LocalStart;
FbxTime endTime = anim->LocalStop;
FbxTime duration = endTime - startTime;
scene->SetCurrentAnimationStack(anim);
const char* motionName = anim->GetName();
float timeSpan = duration.GetSecondDouble();
AnimationMotion* motion = new AnimationMotion(motionName, timeSpan, framerate, skeleton);
int jointCount = skeleton->GetJointCount();
for (int jointIndex = 0; jointIndex < jointCount; ++jointIndex)
{
FbxNode* node = map[jointIndex];
//Extracting world position
//local, you would need to grab parent as well
Matrix4x4* boneKeyframes = motion->GetJointKeyframes(jointIndex);
FbxTime evalTime = FbxTime(0);
for (uint32_t frameIndex = 0; frameIndex < motion->m_frameCount; ++frameIndex)
{
Matrix4x4* boneKeyframe = boneKeyframes + frameIndex;
Matrix4x4 boneTransform = GetNodeWorldTransformAtTime(node, evalTime, matrixStackTop);
double seconds = evalTime.GetSecondDouble();
seconds = seconds;
*boneKeyframe = boneTransform;
evalTime += advance;
}
}
import->motions.push_back(motion);
}
}
