/**
* 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 ModelImporter::ImportAnimations()
{
if (!animationInfo_.Size())
{
if (!ImportAnimation(asset_->GetPath(), "RootAnim"))
return false;
}
// embedded animations
for (unsigned i = 0; i < animationInfo_.Size(); i++)
{
const SharedPtr<AnimationImportInfo>& info = animationInfo_[i];
if (!ImportAnimation(asset_->GetPath(), info->GetName(), info->GetStartTime(), info->GetEndTime()))
return false;
}
// add @ animations
FileSystem* fs = GetSubsystem<FileSystem>();
String pathName, fileName, ext;
SplitPath(asset_->GetPath(), pathName, fileName, ext);
Vector<String> results;
fs->ScanDir(results, pathName, ext, SCAN_FILES, false);
for (unsigned i = 0; i < results.Size(); i++)
{
const String& result = results[i];
if (result.Contains("@"))
{
Vector<String> components = GetFileName(result).Split('@');
if (components.Size() == 2 && components[1].Length() && components[0] == fileName)
{
String animationName = components[1];
AssetDatabase* db = GetSubsystem<AssetDatabase>();
Asset* asset = db->GetAssetByPath(pathName + result);
assert(asset);
assert(asset->GetImporter()->GetType() == ModelImporter::GetTypeStatic());
ModelImporter* importer = (ModelImporter*) asset->GetImporter();
if (!importer->animationInfo_.Size())
{
if (!ImportAnimation(asset->GetPath(), animationName))
return false;
}
else
{
// embedded animations
for (unsigned i = 0; i < importer->animationInfo_.Size(); i++)
{
const SharedPtr<AnimationImportInfo>& info = importer->animationInfo_[i];
if (!ImportAnimation(asset->GetPath(), info->GetName(), info->GetStartTime(), info->GetEndTime()))
return false;
}
}
}
}
}
return true;
}
bool MeshImportFBX::Import( const char* filename, NVSHARE::MeshImportInterface *callback )
{
char message[OUTPUT_TEXT_BUFFER_SIZE+1] = "";
message[OUTPUT_TEXT_BUFFER_SIZE] = '\0';
const char* localName = getFileName( filename );
KString fileName = KString( filename );
KString filePath = fileName.Left( localName - filename );
m_sdkManager = KFbxSdkManager::Create();
if(m_sdkManager == NULL)
return false;
// Create the importer.
int fileFormat = -1;
//int registeredCount;
//int pluginId;
//m_sdkManager->GetIOPluginRegistry()->RegisterReader( CreateFBXImporterReader, GetFBXImporterReaderInfo,
// pluginId, registeredCount, FillFBXImporterReaderIOSettings );
m_importer = KFbxImporter::Create( m_sdkManager, "" );
if( !m_sdkManager->GetIOPluginRegistry()->DetectFileFormat( filename, fileFormat ) )
{
// Unrecognizable file format. Try to fall back to KFbxImporter::eFBX_BINARY
fileFormat = m_sdkManager->GetIOPluginRegistry()->FindReaderIDByDescription( "FBX binary (*.fbx)" );;
}
m_importer->SetFileFormat( fileFormat );
// Initialize the importer by providing a filename.
if( !m_importer->Initialize( filename ) )
return false;
// Create the scene.
m_scene = KFbxScene::Create( m_sdkManager, "" );
if (m_importer->IsFBX())
{
// Set the import states. By default, the import states are always set to
// true. The code below shows how to change these states.
IOSREF.SetBoolProp(IMP_FBX_MATERIAL, true);
IOSREF.SetBoolProp(IMP_FBX_TEXTURE, true);
IOSREF.SetBoolProp(IMP_FBX_LINK, true);
IOSREF.SetBoolProp(IMP_FBX_SHAPE, true);
IOSREF.SetBoolProp(IMP_FBX_GOBO, true);
IOSREF.SetBoolProp(IMP_FBX_ANIMATION, true);
IOSREF.SetBoolProp(IMP_FBX_GLOBAL_SETTINGS, true);
}
sprintf_s( message, OUTPUT_TEXT_BUFFER_SIZE, "Importing file %s", filename );
outputMessage( message );
if( !m_importer->Import(m_scene) )
return false;
//// Convert Axis System to what is used in this example, if needed
//KFbxAxisSystem sceneAxisSystem = m_scene->GetGlobalSettings().GetAxisSystem();
//KFbxAxisSystem ourAxisSystem(sceneAxisSystem.KFbxAxisSystem::ZAxis, KFbxAxisSystem::ParityOdd, KFbxAxisSystem::LeftHanded);
//if( sceneAxisSystem != ourAxisSystem )
//{
// ourAxisSystem.ConvertScene(m_scene);
//}
//// Convert Unit System to what is used in this example, if needed
//KFbxSystemUnit sceneSystemUnit = m_scene->GetGlobalSettings().GetSystemUnit();
//if( sceneSystemUnit.GetScaleFactor() != 1.0 )
//{
//
// KFbxSystemUnit ourSystemUnit(1.0);
// ourSystemUnit.ConvertScene(m_scene);
//
//}
m_callback = callback;
ImportSkeleton();
m_takeName = NULL;
m_takeInfo = NULL;
m_takeNameArray.Clear();
int takeCount = m_importer->GetTakeCount();
int tSelected = -1;
for(int t = 0; t < takeCount; t++ )
{
m_takeInfo = m_importer->GetTakeInfo(t);
m_takeNameArray.Add( &m_takeInfo->mName );
if(m_takeInfo->mSelect)
tSelected = t;
}
if(tSelected == -1 && takeCount > 0)
tSelected = 0;
if(tSelected >= 0)
{
m_takeInfo = m_importer->GetTakeInfo(tSelected);
m_takeName = m_takeNameArray[tSelected];
m_scene->SetCurrentTake( m_takeName->Buffer() );
if (!ImportAnimation())
{
Release();
return false;
}
}
m_scene->FillMaterialArray(m_MaterialArray);
ProcessScene();
//// Load the texture data in memory (for supported formats)
//LoadSupportedTextures(m_scene, m_textureArray);
sprintf_s( message, OUTPUT_TEXT_BUFFER_SIZE, "done!" );
outputMessage( message );
m_scene->Destroy(true, true);
m_scene = NULL;
m_importer->Destroy(true, true);
m_importer = NULL;
m_sdkManager->Destroy();
m_sdkManager = NULL;
return true;
}
