Exemple #1
0
bool FBXScene::LoadScene(const char* filename, std::ostream& output, Vector3& minPos, Vector3& maxPos)
{
    int lFileMajor, lFileMinor, lFileRevision;

    int i, lAnimStackCount;
    bool lStatus;

	FbxIOSettings *ios = FbxIOSettings::Create(mSdkManager, IOSROOT);
	mSdkManager->SetIOSettings(ios);
	FbxGeometryConverter lGConverter(mSdkManager);
	
	// Create an importer using our sdk manager.
	FbxImporter* pFBXImporter = FbxImporter::Create(mSdkManager,"");

    // Initialize the importer by providing a filename.
    const bool lImportStatus = pFBXImporter->Initialize(filename, -1, mSdkManager->GetIOSettings());
	pFBXImporter->GetFileVersion(lFileMajor, lFileMinor, lFileRevision);

    if( !lImportStatus )
    {
		output << "FBX Importer Error: " << pFBXImporter->GetStatus().GetErrorString() << std::endl;

        if ( pFBXImporter->GetStatus() == FbxStatus::eInvalidFileVersion )
        {
			output << "FBX version number for file " << filename << " is " << lFileMajor << " " << lFileMinor << " " << lFileRevision << std::endl;
		}

        return false;
    }

    if (pFBXImporter->IsFBX())
    {
		output << "FBX version number for file " << filename << " is " << lFileMajor << " " << lFileMinor << " " << lFileRevision << std::endl;

        // From this point, it is possible to access animation stack information without
        // the expense of loading the entire file.

		output << "Animation Stack Information" << std::endl;

        lAnimStackCount = pFBXImporter->GetAnimStackCount();

		output << "    Number of Animation Stacks: " << lAnimStackCount << std::endl;
		output << "    Current Animation Stack: " << pFBXImporter->GetActiveAnimStackName().Buffer() << std::endl;
		
        for(i = 0; i < lAnimStackCount; i++)
        {
            FbxTakeInfo* lTakeInfo = pFBXImporter->GetTakeInfo(i);

			output << "    Animation Stack " << i << std::endl;
			output << "    Name: " << lTakeInfo->mName.Buffer() << std::endl;
			output << "    Description: " <<  lTakeInfo->mDescription.Buffer() << std::endl;
			output << "    Import Name: " << lTakeInfo->mImportName.Buffer() << std::endl;
			output << "    Import State: " << (lTakeInfo->mSelect ? "true" : "false") << std::endl;
        }
    }
	
    // Import the scene.
    lStatus = pFBXImporter->Import(mScene);

	if ( !lStatus )
	{
		output << "Failed Importing FBX!" << std::endl;
		output << "FBX is password protected!" << std::endl;

		if ( pFBXImporter->GetStatus() == FbxStatus::ePasswordError )
		{
			output << "FBX is password protected!" << std::endl;
		}
	}

	mFilename = pFBXImporter->GetFileName().Buffer();

    // Destroy the importer.
    pFBXImporter->Destroy();
	ios->Destroy();

	ProcessScene(mScene);

	return lStatus;
}
osgDB::ReaderWriter::ReadResult
ReaderWriterFBX::readNode(const std::string& filenameInit,
                          const Options* options) const
{
    try
    {
        std::string ext(osgDB::getLowerCaseFileExtension(filenameInit));
        if (!acceptsExtension(ext)) return ReadResult::FILE_NOT_HANDLED;

        std::string filename(osgDB::findDataFile(filenameInit, options));
        if (filename.empty()) return ReadResult::FILE_NOT_FOUND;

        FbxManager* pSdkManager = FbxManager::Create();

        if (!pSdkManager)
        {
            return ReadResult::ERROR_IN_READING_FILE;
        }

        CleanUpFbx cleanUpFbx(pSdkManager);

        pSdkManager->SetIOSettings(FbxIOSettings::Create(pSdkManager, IOSROOT));

        FbxScene* pScene = FbxScene::Create(pSdkManager, "");

        // The FBX SDK interprets the filename as UTF-8
#ifdef OSG_USE_UTF8_FILENAME
        const std::string& utf8filename(filename);
#else
        std::string utf8filename(osgDB::convertStringFromCurrentCodePageToUTF8(filename));
#endif

        FbxImporter* lImporter = FbxImporter::Create(pSdkManager, "");

        if (!lImporter->Initialize(utf8filename.c_str(), -1, pSdkManager->GetIOSettings()))
        {
#if FBXSDK_VERSION_MAJOR < 2014
            return std::string(lImporter->GetLastErrorString());
#else
            return std::string(lImporter->GetStatus().GetErrorString());
#endif
        }

        if (!lImporter->IsFBX())
        {
            return ReadResult::ERROR_IN_READING_FILE;
        }

        for (int i = 0; FbxTakeInfo* lTakeInfo = lImporter->GetTakeInfo(i); i++)
        {
            lTakeInfo->mSelect = true;
        }

        if (!lImporter->Import(pScene))
        {
#if FBXSDK_VERSION_MAJOR < 2014
            return std::string(lImporter->GetLastErrorString());
#else 
            return std::string(lImporter->GetStatus().GetErrorString());
#endif
        }

        //FbxAxisSystem::OpenGL.ConvertScene(pScene);        // Doesn't work as expected. Still need to transform vertices.

        if (FbxNode* pNode = pScene->GetRootNode())
        {
            bool useFbxRoot = false;
            bool lightmapTextures = false;
            bool tessellatePolygons = false;
            if (options)
            {
                std::istringstream iss(options->getOptionString());
                std::string opt;
                while (iss >> opt)
                {
                    if (opt == "UseFbxRoot")
                    {
                        useFbxRoot = true;
                    }
                    if (opt == "LightmapTextures")
                    {
                        lightmapTextures = true;
                    }
                    if (opt == "TessellatePolygons")
                    {
                        tessellatePolygons = true;
                    }
                }
            }

            bool bIsBone = false;
            int nLightCount = 0;
            osg::ref_ptr<Options> localOptions = NULL;
            if (options)
                localOptions = options->cloneOptions();
            else
                localOptions = new osgDB::Options();
            localOptions->setObjectCacheHint(osgDB::ReaderWriter::Options::CACHE_IMAGES);

            std::string filePath = osgDB::getFilePath(filename);
            FbxMaterialToOsgStateSet fbxMaterialToOsgStateSet(filePath, localOptions.get(), lightmapTextures);

            std::set<const FbxNode*> fbxSkeletons;
            findLinkedFbxSkeletonNodes(pNode, fbxSkeletons);

            OsgFbxReader::AuthoringTool authoringTool = OsgFbxReader::UNKNOWN;
            if (FbxDocumentInfo* pDocInfo = pScene->GetDocumentInfo())
            {
                struct ToolName
                {
                    const char* name;
                    OsgFbxReader::AuthoringTool tool;
                };

                ToolName authoringTools[] = {
                    {"OpenSceneGraph", OsgFbxReader::OPENSCENEGRAPH},
                    {"3ds Max", OsgFbxReader::AUTODESK_3DSTUDIO_MAX}
                };

                FbxString appName = pDocInfo->LastSaved_ApplicationName.Get();

                for (unsigned int i = 0; i < sizeof(authoringTools) / sizeof(authoringTools[0]); ++i)
                {
                    if (0 ==
#ifdef WIN32
                        _strnicmp
#else
                        strncasecmp
#endif
                        (appName, authoringTools[i].name, strlen(authoringTools[i].name)))
                    {
                        authoringTool = authoringTools[i].tool;
                        break;
                    }
                }
            }


            OsgFbxReader reader(*pSdkManager,
                *pScene,
                fbxMaterialToOsgStateSet,
                fbxSkeletons,
                *localOptions,
                authoringTool,
                lightmapTextures,
                tessellatePolygons);

            ReadResult res = reader.readFbxNode(pNode, bIsBone, nLightCount);

            if (res.success())
            {
                fbxMaterialToOsgStateSet.checkInvertTransparency();

                resolveBindMatrices(*res.getNode(), reader.boneBindMatrices, reader.nodeMap);

                osg::Node* osgNode = res.getNode();
                osgNode->getOrCreateStateSet()->setMode(GL_RESCALE_NORMAL,osg::StateAttribute::ON);
                osgNode->getOrCreateStateSet()->setMode(GL_NORMALIZE,osg::StateAttribute::ON);

                if (reader.pAnimationManager.valid())
                {
                    if (osgNode->getUpdateCallback())
                    {
                        osg::Group* osgGroup = new osg::Group;
                        osgGroup->addChild(osgNode);
                        osgNode = osgGroup;
                    }

                    //because the animations may be altered after registering
                    reader.pAnimationManager->buildTargetReference();
                    osgNode->setUpdateCallback(reader.pAnimationManager.get());
                }

                FbxAxisSystem fbxAxis = pScene->GetGlobalSettings().GetAxisSystem();

                if (fbxAxis != FbxAxisSystem::OpenGL)
                {
                    int upSign;
                    FbxAxisSystem::EUpVector eUp = fbxAxis.GetUpVector(upSign);
                    bool bLeftHanded = fbxAxis.GetCoorSystem() == FbxAxisSystem::eLeftHanded;
                    float fSign = upSign < 0 ? -1.0f : 1.0f;
                    float zScale = bLeftHanded ? -1.0f : 1.0f;

                    osg::Matrix mat;
                    switch (eUp)
                    {
                    case FbxAxisSystem::eXAxis:
                        mat.set(0,fSign,0,0,-fSign,0,0,0,0,0,zScale,0,0,0,0,1);
                        break;
                    case FbxAxisSystem::eYAxis:
                        mat.set(1,0,0,0,0,fSign,0,0,0,0,fSign*zScale,0,0,0,0,1);
                        break;
                    case FbxAxisSystem::eZAxis:
                        mat.set(1,0,0,0,0,0,-fSign*zScale,0,0,fSign,0,0,0,0,0,1);
                        break;
                    }

                    osg::Transform* pTransformTemp = osgNode->asTransform();
                    osg::MatrixTransform* pMatrixTransform = pTransformTemp ?
                        pTransformTemp->asMatrixTransform() : NULL;
                    if (pMatrixTransform)
                    {
                        pMatrixTransform->setMatrix(pMatrixTransform->getMatrix() * mat);
                    }
                    else
                    {
                        pMatrixTransform = new osg::MatrixTransform(mat);
                        if (useFbxRoot && isBasicRootNode(*osgNode))
                        {
                            // If root node is a simple group, put all FBX elements under the OSG root
                            osg::Group* osgGroup = osgNode->asGroup();
                            for(unsigned int i = 0; i < osgGroup->getNumChildren(); ++i)
                            {
                                pMatrixTransform->addChild(osgGroup->getChild(i));
                            }
                            pMatrixTransform->setName(osgGroup->getName());
                        }
                        else
                        {
                            pMatrixTransform->addChild(osgNode);
                        }
                    }
                    osgNode = pMatrixTransform;
                }

                osgNode->setName(filenameInit);
                return osgNode;
            }
        }
    }
    catch (...)
    {
        OSG_WARN << "Exception thrown while importing \"" << filenameInit << '\"' << std::endl;
    }

    return ReadResult::ERROR_IN_READING_FILE;
}
bool FBXReader::loadScene(FbxManager* fbxManager, FbxDocument* scene, string fileName)
{
    int lFileMajor, lFileMinor, lFileRevision;
    int lSDKMajor, lSDKMinor, lSDKRevision;
    //int lFileFormat = -1;
    int i, lAnimStackCount;
    bool lStatus;
    char lPassword[1024];

    // Get the file version number generate by the FBX SDK.
    FbxManager::GetFileFormatVersion(lSDKMajor, lSDKMinor, lSDKRevision);

    // Create an importer.
    FbxImporter* lImporter = FbxImporter::Create(fbxManager, "");

    // Initialize the importer by providing a filename.
    const bool lImportStatus = lImporter->Initialize(fileName.c_str(), -1, fbxManager->GetIOSettings());
    lImporter->GetFileVersion(lFileMajor, lFileMinor, lFileRevision);

    if (!lImportStatus)
    {
        FbxString error = lImporter->GetStatus().GetErrorString();
        FBXSDK_printf("Call to FbxImporter::Initialize() failed.\n");
        FBXSDK_printf("Error returned: %s\n\n", error.Buffer());

        if (lImporter->GetStatus().GetCode() == FbxStatus::eInvalidFileVersion)
        {
            FBXSDK_printf("FBX file format version for this FBX SDK is %d.%d.%d\n", lSDKMajor, lSDKMinor, lSDKRevision);
            FBXSDK_printf("FBX file format version for file '%s' is %d.%d.%d\n\n", fileName, lFileMajor, lFileMinor, lFileRevision);
        }

        return false;
    }

    FBXSDK_printf("FBX file format version for this FBX SDK is %d.%d.%d\n", lSDKMajor, lSDKMinor, lSDKRevision);

    if (lImporter->IsFBX())
    {
        FBXSDK_printf("FBX file format version for file '%s' is %d.%d.%d\n\n", fileName, lFileMajor, lFileMinor, lFileRevision);

        // From this point, it is possible to access animation stack information without
        // the expense of loading the entire file.

        FBXSDK_printf("Animation Stack Information\n");

        lAnimStackCount = lImporter->GetAnimStackCount();

        FBXSDK_printf("    Number of Animation Stacks: %d\n", lAnimStackCount);
        FBXSDK_printf("    Current Animation Stack: \"%s\"\n", lImporter->GetActiveAnimStackName().Buffer());
        FBXSDK_printf("\n");

        for (i = 0; i < lAnimStackCount; i++)
        {
            FbxTakeInfo* lTakeInfo = lImporter->GetTakeInfo(i);

            FBXSDK_printf("    Animation Stack %d\n", i);
            FBXSDK_printf("         Name: \"%s\"\n", lTakeInfo->mName.Buffer());
            FBXSDK_printf("         Description: \"%s\"\n", lTakeInfo->mDescription.Buffer());

            // Change the value of the import name if the animation stack should be imported 
            // under a different name.
            FBXSDK_printf("         Import Name: \"%s\"\n", lTakeInfo->mImportName.Buffer());

            // Set the value of the import state to false if the animation stack should be not
            // be imported. 
            FBXSDK_printf("         Import State: %s\n", lTakeInfo->mSelect ? "true" : "false");
            FBXSDK_printf("\n");
        }

        // Set the import states. By default, the import states are always set to 
        // true. The code below shows how to change these states.
        IOS_REF.SetBoolProp(IMP_FBX_MATERIAL, true);
        IOS_REF.SetBoolProp(IMP_FBX_TEXTURE, true);
        IOS_REF.SetBoolProp(IMP_FBX_LINK, true);
        IOS_REF.SetBoolProp(IMP_FBX_SHAPE, true);
        IOS_REF.SetBoolProp(IMP_FBX_GOBO, true);
        IOS_REF.SetBoolProp(IMP_FBX_ANIMATION, true);
        IOS_REF.SetBoolProp(IMP_FBX_GLOBAL_SETTINGS, true);
    }

    // Import the scene.
    lStatus = lImporter->Import(scene);

    if (lStatus == false && lImporter->GetStatus().GetCode() == FbxStatus::ePasswordError)
    {
        FBXSDK_printf("Please enter password: "******"%s", lPassword);
        FBXSDK_CRT_SECURE_NO_WARNING_END

            FbxString lString(lPassword);

        IOS_REF.SetStringProp(IMP_FBX_PASSWORD, lString);
        IOS_REF.SetBoolProp(IMP_FBX_PASSWORD_ENABLE, true);

        lStatus = lImporter->Import(scene);

        if (lStatus == false && lImporter->GetStatus().GetCode() == FbxStatus::ePasswordError)
        {
            FBXSDK_printf("\nPassword is wrong, import aborted.\n");
        }
    }

    // Destroy the importer.
    lImporter->Destroy();

    return lStatus;
}
bool LoaderFbx::loadScene(std::string filename)
{
	bool success = true;

	int fileMajor, fileMinor, fileRevision;
	int sdkMajor, sdkMinor, sdkRevision;
	std::stringstream message;

	FbxManager::GetFileFormatVersion(sdkMajor, sdkMinor, sdkRevision);

	FbxImporter* fbxImporter = FbxImporter::Create(fbxManager_, "");
	success = fbxImporter->Initialize(filename.c_str(), -1, fbxManager_->GetIOSettings());
	fbxImporter->GetFileVersion(fileMajor, fileMinor, fileRevision);

	if(!success)
	{
		message.str("");
		message << "LoaderFbx::loadScene | Call to FbxImporter::Initialize() failed! \n Error returned: " 
				<< fbxImporter->GetStatus().GetErrorString();
		ERROR_MESSAGEBOX(message.str());

		if(fbxImporter->GetStatus().GetCode() == FbxStatus::eInvalidFileVersion)
		{
			std::stringstream message;
			message.str("");
			message << "FBX file format version for this FBX SDK is " << sdkMajor << "." << sdkMinor << "." << sdkRevision << "\n"
					<< "FBX file format version for file " << filename << " is " << fileMajor << "." << fileMinor << "." << fileRevision;
			ERROR_MESSAGEBOX(message.str());
		}
	}
	if(fbxImporter->IsFBX())
	{
		FBXSDK_printf("FBX file format version for file '%s' is %d.%d.%d\n\n", filename, fileMajor, fileMinor, fileRevision);

        // From this point, it is possible to access animation stack information without
        // the expense of loading the entire file.

        FBXSDK_printf("Animation Stack Information\n");

        int animStackCount = fbxImporter->GetAnimStackCount();

        FBXSDK_printf("    Number of Animation Stacks: %d\n", animStackCount);
        FBXSDK_printf("    Current Animation Stack: \"%s\"\n", fbxImporter->GetActiveAnimStackName().Buffer());
        FBXSDK_printf("\n");

        for(int i = 0; i < animStackCount; i++)
        {
            FbxTakeInfo* takeInfo = fbxImporter->GetTakeInfo(i);

            FBXSDK_printf("    Animation Stack %d\n", i);
            FBXSDK_printf("         Name: \"%s\"\n", takeInfo->mName.Buffer());
			const char* debug = takeInfo->mDescription.Buffer();
	//		FBXSDK_printf("         Description: \"%s\"\n", takeInfo->mDescription.Buffer());
            
			// Change the value of the import name if the animation stack should be imported 
            // under a different name.
            FBXSDK_printf("         Import Name: \"%s\"\n", takeInfo->mImportName.Buffer());

            // Set the value of the import state to false if the animation stack should be not
            // be imported. 
            FBXSDK_printf("         Import State: %s\n", takeInfo->mSelect ? "true" : "false");
            FBXSDK_printf("\n");

			
        }

        // Set the import states. By default, the import states are always set to 
        // true. The code below shows how to change these states.
        fbxManager_->GetIOSettings()->SetBoolProp(IMP_FBX_MATERIAL,        true);
        fbxManager_->GetIOSettings()->SetBoolProp(IMP_FBX_TEXTURE,         true);
        fbxManager_->GetIOSettings()->SetBoolProp(IMP_FBX_LINK,            true);
        fbxManager_->GetIOSettings()->SetBoolProp(IMP_FBX_SHAPE,           true);
        fbxManager_->GetIOSettings()->SetBoolProp(IMP_FBX_GOBO,            true);
        fbxManager_->GetIOSettings()->SetBoolProp(IMP_FBX_ANIMATION,       true);
        fbxManager_->GetIOSettings()->SetBoolProp(IMP_FBX_GLOBAL_SETTINGS, true);
	}
	
	if(success)
	{
		success = fbxImporter->Import(fbxScene_);
	}

	if(!success)
	{
		message.str("");
		message << "LoaderFbx::loadScene | Call to FbxImporter::Import() failed! \n Error returned: "
				<< fbxImporter->GetStatus().GetErrorString();
		ERROR_MESSAGEBOX(message.str());
	}

	return success;
}