CC_FILE_ERROR FBXFilter::saveToFile(ccHObject* entity, QString filename, SaveParameters& parameters)
{
if (!entity)
return CC_FERR_BAD_ARGUMENT;
std::vector<ccGenericMesh*> meshes;
if (entity->isKindOf(CC_TYPES::MESH))
{
meshes.push_back(static_cast<ccGenericMesh*>(entity));
}
else if (entity->isA(CC_TYPES::HIERARCHY_OBJECT))
{
for (unsigned i=0; i<entity->getChildrenNumber(); ++i)
{
ccHObject* child = entity->getChild(i);
if (child->isKindOf(CC_TYPES::MESH))
meshes.push_back(static_cast<ccGenericMesh*>(child));
}
}
if (meshes.empty())
{
return CC_FERR_NO_SAVE;
}
//The first thing to do is to create the FBX Manager which is the object allocator for almost all the classes in the SDK
FbxManager* lSdkManager = FbxManager::Create();
if( !lSdkManager )
{
ccLog::Warning("[FBX] Error: Unable to create FBX Manager!");
return CC_FERR_CONSOLE_ERROR;
}
else
{
ccLog::Print("[FBX] Autodesk FBX SDK version %s", lSdkManager->GetVersion());
}
try
{
//Create an IOSettings object. This object holds all import/export settings.
FbxIOSettings* ios = FbxIOSettings::Create(lSdkManager, IOSROOT);
lSdkManager->SetIOSettings(ios);
//Load plugins from the executable directory (optional)
//FbxString lPath = FbxGetApplicationDirectory();
//lSdkManager->LoadPluginsDirectory(lPath.Buffer());
//Create an FBX scene. This object holds most objects imported/exported from/to files.
FbxScene* lScene = FbxScene::Create(lSdkManager, "My Scene");
if( !lScene )
{
ccLog::Warning("[FBX] Error: Unable to create FBX scene!");
return CC_FERR_CONSOLE_ERROR;
}
// create scene info
{
FbxDocumentInfo* sceneInfo = FbxDocumentInfo::Create(lSdkManager,"SceneInfo");
sceneInfo->mTitle = qPrintable(QString("Mesh: ") + (meshes.size() == 1 ? meshes[0]->getName() : QString("Multiple meshes")));
sceneInfo->mAuthor = "CloudCompare";
sceneInfo->mRevision = "rev. 1.0";
sceneInfo->mKeywords = "cloudcompare mesh";
// we need to add the sceneInfo before calling AddThumbNailToScene because
// that function is asking the scene for the sceneInfo.
lScene->SetSceneInfo(sceneInfo);
}
//create thumbnail
//{
// FbxThumbnail* lThumbnail = FbxThumbnail::Create(lScene,"");
// lThumbnail->SetDataFormat(FbxThumbnail::eRGB_24);
// lThumbnail->SetSize(FbxThumbnail::e64x64);
// lThumbnail->SetThumbnailImage(cSceneThumbnail);
// if (lScene->GetSceneInfo())
// {
// lScene->GetSceneInfo()->SetSceneThumbnail(lThumbnail);
// }
//}
// Build the node tree.
FbxNode* lRootNode = lScene->GetRootNode();
{
for (size_t i=0; i<meshes.size(); ++i)
{
FbxNode* meshNode = ToFbxMesh(meshes[i],lScene,filename,i);
if (meshNode)
lRootNode->AddChild(meshNode);
else
ccLog::Warning(QString("[FBX] Failed to convert mesh '%1' to FBX mesh/node!").arg(meshes[i]->getName()));
}
}
int fileFormat = -1;
//Display a combox box to let the user choose the export file format
{
FbxManager* pSdkManager = FbxManager::GetDefaultManager();
int lFormatCount = pSdkManager ? pSdkManager->GetIOPluginRegistry()->GetWriterFormatCount() : 0;
if (lFormatCount > 0)
{
if (s_defaultOutputFormat.isEmpty())
{
try
{
QMessageBox msgBox(QMessageBox::Question,"FBX format","Choose output format:");
QMap<QAbstractButton*,int> buttons;
for (int lFormatIndex=0; lFormatIndex<lFormatCount; lFormatIndex++)
{
if (pSdkManager->GetIOPluginRegistry()->WriterIsFBX(lFormatIndex))
{
FbxString lDesc = pSdkManager->GetIOPluginRegistry()->GetWriterFormatDescription(lFormatIndex);
QPushButton *button = msgBox.addButton(lDesc.Buffer(), QMessageBox::AcceptRole);
buttons[button] = lFormatIndex;
}
}
msgBox.exec();
//get the right format
fileFormat = buttons[msgBox.clickedButton()];
}
catch(...)
{
}
}
else
{
//try to find the default output format as set by the user
for (int lFormatIndex=0; lFormatIndex<lFormatCount; lFormatIndex++)
{
if (pSdkManager->GetIOPluginRegistry()->WriterIsFBX(lFormatIndex))
{
FbxString lDesc = pSdkManager->GetIOPluginRegistry()->GetWriterFormatDescription(lFormatIndex);
QString sanitizedDesc = SanitizeFBXFormatString(lDesc.Buffer());
if (s_defaultOutputFormat == sanitizedDesc)
{
ccLog::Print(QString("[FBX] Default output file format: %1").arg(sanitizedDesc));
fileFormat = lFormatIndex;
break;
}
}
}
//if we failed to find the specified file format, warn the user and display the list of supported formats
if (fileFormat < 0)
{
ccLog::Warning(QString("[FBX] File format '%1' not supported").arg(s_defaultOutputFormat));
ccLog::Print("[FBX] Supported output formats:");
for (int lFormatIndex=0; lFormatIndex<lFormatCount; lFormatIndex++)
{
if (pSdkManager->GetIOPluginRegistry()->WriterIsFBX(lFormatIndex))
{
FbxString lDesc = pSdkManager->GetIOPluginRegistry()->GetWriterFormatDescription(lFormatIndex);
ccLog::Print(QString("\t- %1").arg(SanitizeFBXFormatString(lDesc.Buffer())));
}
}
}
}
}
}
// Save the scene.
bool lResult = SaveScene(lSdkManager, lScene, qPrintable(filename),fileFormat);
// Destroy all objects created by the FBX SDK.
if( lSdkManager )
lSdkManager->Destroy();
return lResult ? CC_FERR_NO_ERROR : CC_FERR_CONSOLE_ERROR;
}
catch(...)
{
ccLog::Warning("[FBX] FBX SDK has thrown an unknown exception!");
return CC_FERR_THIRD_PARTY_LIB_EXCEPTION;
}
}