axmol/cocos/3d/CCBundle3D.cpp

/****************************************************************************
 Copyright (c) 2014 Chukong Technologies Inc.

 http://www.cocos2d-x.org

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 all copies or substantial portions of the Software.

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 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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#include "3d/CCBundle3D.h"

#include "base/ccMacros.h"
#include "platform/CCFileUtils.h"
#include "renderer/CCGLProgram.h"
#include "CCBundleReader.h"
#include "base/CCData.h"
#include "json/document.h"

#define BUNDLE_TYPE_SCENE               1
#define BUNDLE_TYPE_NODE                2
#define BUNDLE_TYPE_ANIMATIONS          3
#define BUNDLE_TYPE_ANIMATION           4
#define BUNDLE_TYPE_ANIMATION_CHANNEL   5
#define BUNDLE_TYPE_MODEL               10
#define BUNDLE_TYPE_MATERIAL            16
#define BUNDLE_TYPE_EFFECT              18
#define BUNDLE_TYPE_CAMERA              32
#define BUNDLE_TYPE_LIGHT               33
#define BUNDLE_TYPE_MESH                34
#define BUNDLE_TYPE_MESHPART            35
#define BUNDLE_TYPE_MESHSKIN            36

static const char* VERSION = "version";
static const char* ID = "id";

static const char* MESHDATA_DEFAULTPART = "body";
static const char* MESHDATA_VERTEXSIZE = "vertexsize";
static const char* MESHDATA_VERTEX = "vertex";
static const char* MESHDATA_VERTICES = "vertices";
static const char* MESHDATA_INDEXNUM = "indexnum";
static const char* MESHDATA_INDICES = "indices";
static const char* MESHDATA_SUBMESH = "submesh";
static const char* MESHDATA_ATTRIBUTES = "attributes";
static const char* MESHDATA_SIZE = "size";
static const char* MESHDATA_TYPE = "type";
static const char* MESHDATA_ATTRIBUTE = "attribute";

static const char* SKINDATA_SKIN = "skin";
static const char* SKINDATA_BINDSHAPE = "bindshape";

static const char* MESH = "mesh";
static const char* MESHES = "meshes";
static const char* MESHPARTID = "meshpartid";
static const char* MATERIALID = "materialid";
static const char* NODE = "node";
static const char* NODES = "nodes";
static const char* CHILDREN = "children";
static const char* PARTS = "parts";
static const char* BONES = "bones";
static const char* MATERIALS = "materials";
static const char* ANIMATIONS = "animations";
static const char* TRANSFORM = "transform";

static const char* MATERIALDATA_MATERIAL = "material";
static const char* MATERIALDATA_MATERIALS = "materials";
static const char* MATERIALDATA_BASE = "base";
static const char* MATERIALDATA_FILENAME = "filename";
static const char* MATERIALDATA_TEXTURES = "textures";

static const char* ANIMATIONDATA_ANIMATION = "animation";
static const char* ANIMATIONDATA_LENGTH =   "length";
static const char* ANIMATIONDATA_BONEID  = "boneId";
static const char* ANIMATIONDATA_KEYFRAMES  = "keyframes";
static const char* ANIMATIONDATA_TRANSLATION =  "translation";
static const char* ANIMATIONDATA_ROTATION =  "rotation";
static const char* ANIMATIONDATA_SCALE =  "scale";
static const char* ANIMATIONDATA_KEYTIME =  "keytime";

NS_CC_BEGIN

void getChildMap(std::map<int, std::vector<int> >& map, SkinData* skinData, const rapidjson::Value& val)
{
    if (!skinData)
        return;
    
    // get transform matrix
    Mat4 transform;
    const rapidjson::Value& parent_tranform = val[TRANSFORM];
    for (rapidjson::SizeType j = 0; j < parent_tranform.Size(); j++)
    {
        transform.m[j] = parent_tranform[j].GetDouble();
    }
    
    // set origin matrices
    std::string parent_name = val[ID].GetString();
    int parent_name_index = skinData->getSkinBoneNameIndex(parent_name);
    if (parent_name_index < 0)
    {
        skinData->addNodeBoneNames(parent_name);
        skinData->nodeBoneOriginMatrices.push_back(transform);
        parent_name_index = skinData->getBoneNameIndex(parent_name);
    }
    else if (parent_name_index < skinData->skinBoneNames.size())
    {
        skinData->skinBoneOriginMatrices[parent_name_index] = (transform);
    }
    
    // set root bone index
    if(skinData->rootBoneIndex < 0)
        skinData->rootBoneIndex = parent_name_index;
    
    if (!val.HasMember(CHILDREN))
        return;
    
    const rapidjson::Value& children = val[CHILDREN];
    for (rapidjson::SizeType i = 0; i < children.Size(); i++)
    {
        // get child bone name
        const rapidjson::Value& child = children[i];
        
        std::string child_name = child[ID].GetString();
        int child_name_index = skinData->getSkinBoneNameIndex(child_name);
        if (child_name_index < 0)
        {
            skinData->addNodeBoneNames(child_name);
            child_name_index = skinData->getBoneNameIndex(child_name);
            
        }
        
        map[parent_name_index].push_back(child_name_index);
        
        getChildMap(map, skinData, child);
        
    }
}

Bundle3D* Bundle3D::_instance = nullptr;

void Bundle3D::setBundleInstance(Bundle3D* bundleInstance)
{
    CC_SAFE_DELETE(_instance);
    _instance = bundleInstance;
}

Bundle3D* Bundle3D::getInstance()
{
    if (_instance == nullptr)
        _instance = new Bundle3D();
    return _instance;
}

void Bundle3D::destroyInstance()
{
    CC_SAFE_DELETE(_instance);
}

void Bundle3D::clear()
{
    if (_isBinary)
    {
        CC_SAFE_DELETE(_binaryBuffer);
        CC_SAFE_DELETE_ARRAY(_references);
    }
    else
    {
        CC_SAFE_DELETE_ARRAY(_jsonBuffer);
    }
}

bool Bundle3D::load(const std::string& path)
{
    if (_path == path)
        return true;

    getModelRelativePath(path);

    bool ret = false;
    std::string ext = path.substr(path.length() - 4, 4);
    std::transform(ext.begin(), ext.end(), ext.begin(), tolower);
    if (ext == ".c3t")
    {
        _isBinary = false;
        ret = loadJson(path);
    }
    else if (ext == ".c3b")
    {
        _isBinary = true;
        ret = loadBinary(path);
    }
    else 
    {
        CCLOGINFO("%s is invalid file formate", path);
    }

    ret?(_path = path):(_path = "");
        
    return ret;
}
    
bool Bundle3D::loadMeshData(const std::string& id, MeshData* meshdata)
{
    meshdata->resetData();
    
    if (_isBinary)
    {
        return loadMeshDataBinary(meshdata);
    }
    else
    {
        return loadMeshDataJson(meshdata);
    }
}
    
bool Bundle3D::loadSkinData(const std::string& id, SkinData* skindata)
{
    skindata->resetData();
    
    if (_isBinary)
    {
        return loadSkinDataBinary(skindata);
    }
    else
    {
        return loadSkinDataJson(skindata);
    }
}
    
bool Bundle3D::loadMaterialData(const std::string& id, MaterialData* materialdata)
{
    materialdata->resetData();
    
    if (_isBinary)
    {
        return loadMaterialDataBinary(materialdata);
    }
    else
    {
        return loadMaterialDataJson(materialdata);
    }
}
    
bool Bundle3D::loadAnimationData(const std::string& id, Animation3DData* animationdata)
{
    animationdata->resetData();
    
    if (_isBinary)
    {
        return loadAnimationDataBinary(animationdata);
    }
    else
    {
        return loadAnimationDataJson(animationdata);
    }
}

bool Bundle3D::loadSkeletonData(const std::string& id, Skeleton3DData* skeletondata)
{
    skeletondata->resetData();
    
    //TODO
    return true;
}

//since 3.3, to support reskin
bool Bundle3D::loadMeshDatas(MeshDatas& meshdatas)
{
    meshdatas.resetData();
    if (_isBinary)
    {
        return loadMeshDatasBinary(meshdatas);
    }
    else
    {
        if (_version == "1.2")
        {
            return loadMeshDataJson_0_1(meshdatas);
        }
        else if(_version == "0.2")
        {
            return loadMeshDataJson_0_2(meshdatas);
        }
        else if(_version == "0.3")
        {
            return loadMeshDatasJson(meshdatas);
        }
    }
    return true;
}
bool  Bundle3D::loadMeshDatasBinary(MeshDatas& meshdatas)
{
    return true;
}
bool  Bundle3D::loadMeshDatasJson(MeshDatas& meshdatas)
{
    const rapidjson::Value& mesh_data_array = _jsonReader[MESHES];
    for (rapidjson::SizeType index = 0; index < mesh_data_array.Size(); index++)
    {
        MeshData*   meshData = new MeshData();
        const rapidjson::Value& mesh_data = mesh_data_array[index];
        // mesh_vertex_attribute
        const rapidjson::Value& mesh_vertex_attribute = mesh_data[MESHDATA_ATTRIBUTES];
        MeshVertexAttrib tempAttrib;
        meshData->attribCount=mesh_vertex_attribute.Size();
        meshData->attribs.resize(meshData->attribCount);
        for (int i = 0; i < mesh_vertex_attribute.Size(); i++)
        {
            const rapidjson::Value& mesh_vertex_attribute_val = mesh_vertex_attribute[i];

            int size = mesh_vertex_attribute_val[MESHDATA_SIZE].GetInt();
            std::string type = mesh_vertex_attribute_val[MESHDATA_TYPE].GetString();
            std::string attribute = mesh_vertex_attribute_val[MESHDATA_ATTRIBUTE].GetString();

            tempAttrib.size = size;
            tempAttrib.attribSizeBytes = sizeof(float) * size;
            tempAttrib.type = parseGLType(type);
            tempAttrib.vertexAttrib = parseGLProgramAttribute(attribute);
            meshData->attribs[i]=tempAttrib;
        }
        // mesh vertices
        ////////////////////////////////////////////////////////////////////////////////////////////////
        const rapidjson::Value& mesh_data_vertex_array = mesh_data[MESHDATA_VERTICES];
        meshData->vertexSizeInFloat=mesh_data_vertex_array.Size();
        for (rapidjson::SizeType i = 0; i < mesh_data_vertex_array.Size(); i++)
        {
            meshData->vertex.push_back(mesh_data_vertex_array[i].GetDouble());
        }
        // mesh part
        ////////////////////////////////////////////////////////////////////////////////////////////////
        const rapidjson::Value& mesh_part_array = mesh_data[PARTS];
        for (rapidjson::SizeType i = 0; i < mesh_part_array.Size(); i++)
        {
            std::vector<unsigned short>      indexArray;
            const rapidjson::Value& mesh_part = mesh_part_array[i];
            meshData->subMeshIds.push_back(mesh_part[ID].GetString());
            // index_number
            const rapidjson::Value& indices_val_array = mesh_part[MESHDATA_INDICES];
            for (rapidjson::SizeType j = 0; j < indices_val_array.Size(); j++)
                indexArray.push_back((unsigned short)indices_val_array[j].GetUint());
    
            meshData->subMeshIndices.push_back(indexArray);
            meshData->numIndex=meshData->subMeshIndices.size();
        }
        meshdatas.meshDatas.push_back(meshData);
    }
    return true;
}
bool Bundle3D::loadNodes(NodeDatas& nodedatas)
{
    if (_isBinary)
    {
        // TODO
        return false;
    }
    else
    {
        if (_version == "1.2" || _version == "0.2")
        {
            SkinData   skinData;
            loadSkinDataJson(&skinData);
            auto nodeDatas = new NodeData*[skinData.skinBoneNames.size() + skinData.nodeBoneNames.size()];
            int index = 0;
            size_t i;
            for (i = 0; i < skinData.skinBoneNames.size(); i++)
            {
                nodeDatas[index] = new NodeData();
                nodeDatas[index]->id = skinData.skinBoneNames[i];
                nodeDatas[index]->transform = skinData.skinBoneOriginMatrices[i];
                index++;
            }
            for (i = 0; i < skinData.nodeBoneNames.size(); i++)
            {
                nodeDatas[index] = new NodeData();
                nodeDatas[index]->id = skinData.nodeBoneNames[i];
                nodeDatas[index]->transform = skinData.nodeBoneOriginMatrices[i];
                index++;
            }
            for (const auto& it : skinData.boneChild)
            {
                const auto& children = it.second;
                auto parent = nodeDatas[it.first];
                for (const auto& child : children)
                {
                    parent->children.push_back(nodeDatas[child]);
                }
            }
            nodedatas.skeleton.push_back(nodeDatas[skinData.rootBoneIndex]);
            auto modelnode = new ModelNodeData();
            modelnode->matrialId = "";
            modelnode->subMeshId = "";
            modelnode->id = "";
            modelnode->bones = skinData.skinBoneNames;
            modelnode->invBindPose = skinData.inverseBindPoseMatrices;
            nodedatas.nodes.push_back(modelnode);
        }
        else
        {
           return loadNodesJson(nodedatas);
        }
        
    }
    return true;
}
bool Bundle3D::loadMaterials(MaterialDatas& materialdatas)
{
    materialdatas.resetData();
    if (_isBinary)
    {
        return loadMaterialsBinary(materialdatas);
    }
    else
    {
        if (_version == "1.2")
        {
             return loadMaterialDataJson_0_1(materialdatas);
        }
        else if (_version == "0.2")
        {
             return loadMaterialDataJson_0_2(materialdatas);
        }
        else if (_version == "0.3")
        {
            return loadMaterialsJson(materialdatas);
        }  
    }
    return true;
}
bool Bundle3D::loadMaterialsBinary(MaterialDatas& materialdatas)
{
     return true;
}
bool  Bundle3D::loadMaterialsJson(MaterialDatas& materialdatas)
{
    if (!_jsonReader.HasMember(MATERIALDATA_MATERIALS))
        return false;
    const rapidjson::Value& material_array = _jsonReader[MATERIALDATA_MATERIALS];
    for (rapidjson::SizeType i = 0; i < material_array.Size(); i++)
    {
        NMaterialData materialData;
        const rapidjson::Value& material_val = material_array[i];
        materialData.id = material_val[ID].GetString();
        if (material_val.HasMember(MATERIALDATA_TEXTURES))
        {
            const rapidjson::Value& testure_array = material_val[MATERIALDATA_TEXTURES];
            for (rapidjson::SizeType j = 0; j < testure_array.Size(); j++)
            {
                NTextureData  textureData;
                const rapidjson::Value& texture_val = testure_array[j];
                std::string filename = texture_val[MATERIALDATA_FILENAME].GetString();
                textureData.filename = _modelPath + filename;
                textureData.type  = parseGLTextureType(texture_val["type"].GetString());
                textureData.wrapS = parseGLType(texture_val["wrapModeU"].GetString());
                textureData.wrapT = parseGLType(texture_val["wrapModeV"].GetString());
                materialData.textures.push_back(textureData);
            }
        }
        materialdatas.materials.push_back(materialData);
    }
    return true;
}
bool Bundle3D::loadJson(const std::string& path)
{
    clear();
    
    Data data = FileUtils::getInstance()->getDataFromFile(path);
    ssize_t size = data.getSize();
    
    // json need null-terminated string.
    _jsonBuffer = new char[size + 1];
    memcpy(_jsonBuffer, data.getBytes(), size);
    _jsonBuffer[size] = '\0';
    if (_jsonReader.ParseInsitu<0>(_jsonBuffer).HasParseError())
    {
         assert(0);
         clear();
         return false;
    }
    
    const rapidjson::Value& mash_data_array = _jsonReader[VERSION];
    _version = mash_data_array.GetString();
    return true;
}

bool Bundle3D::loadMeshDataJson_0_1(MeshDatas& meshdatas)
{
    const rapidjson::Value& mesh_data_array = _jsonReader[MESH];
    MeshData* meshdata= new   MeshData();
    const rapidjson::Value& mesh_data_val = mesh_data_array[(rapidjson::SizeType)0];
    
    const rapidjson::Value& mesh_data_body_array = mesh_data_val[MESHDATA_DEFAULTPART];
    
    const rapidjson::Value& mesh_data_body_array_0 = mesh_data_body_array[(rapidjson::SizeType)0];
    
    // mesh_vertex_attribute
    const rapidjson::Value& mesh_vertex_attribute = mesh_data_val[MESHDATA_ATTRIBUTES];
    meshdata->attribCount = mesh_vertex_attribute.Size();
    meshdata->attribs.resize(meshdata->attribCount);
    for (rapidjson::SizeType i = 0; i < mesh_vertex_attribute.Size(); i++)
    {
        const rapidjson::Value& mesh_vertex_attribute_val = mesh_vertex_attribute[i];
        
        meshdata->attribs[i].size = mesh_vertex_attribute_val[MESHDATA_SIZE].GetUint();
        meshdata->attribs[i].attribSizeBytes = meshdata->attribs[i].size * 4;
        meshdata->attribs[i].type = parseGLType(mesh_vertex_attribute_val[MESHDATA_TYPE].GetString());
        meshdata->attribs[i].vertexAttrib = parseGLProgramAttribute(mesh_vertex_attribute_val[MESHDATA_ATTRIBUTE].GetString());
    }
    
    // vertices
    meshdata->vertexSizeInFloat = mesh_data_body_array_0[MESHDATA_VERTEXSIZE].GetInt();
    meshdata->vertex.resize(meshdata->vertexSizeInFloat);
    
    const rapidjson::Value& mesh_data_body_vertices = mesh_data_body_array_0[MESHDATA_VERTICES];
    for (rapidjson::SizeType i = 0; i < mesh_data_body_vertices.Size(); i++)
        meshdata->vertex[i] = mesh_data_body_vertices[i].GetDouble();
    
    // index_number
    unsigned int indexnum = mesh_data_body_array_0[MESHDATA_INDEXNUM].GetUint();
    
    // indices
    std::vector<unsigned short> indices;
    indices.resize(indexnum);

    const rapidjson::Value& indices_val_array = mesh_data_body_array_0[MESHDATA_INDICES];
    for (rapidjson::SizeType i = 0; i < indices_val_array.Size(); i++)
        indices[i] = (unsigned short)indices_val_array[i].GetUint();
    
    meshdata->subMeshIndices.push_back(indices);
    meshdatas.meshDatas.push_back(meshdata);
    return true;
}

bool Bundle3D::loadMeshDataJson_0_2(MeshDatas& meshdatas)
{
    MeshData* meshdata= new   MeshData();
    const rapidjson::Value& mesh_array = _jsonReader[MESH];
    const rapidjson::Value& mesh_array_0 = mesh_array[(rapidjson::SizeType)0];
    
    // mesh_vertex_attribute
    const rapidjson::Value& mesh_vertex_attribute = mesh_array_0[MESHDATA_ATTRIBUTES];
    meshdata->attribCount = mesh_vertex_attribute.Size();
    meshdata->attribs.resize(meshdata->attribCount);
    for (rapidjson::SizeType i = 0; i < mesh_vertex_attribute.Size(); i++)
    {
        const rapidjson::Value& mesh_vertex_attribute_val = mesh_vertex_attribute[i];
        
        meshdata->attribs[i].size = mesh_vertex_attribute_val[MESHDATA_SIZE].GetUint();
        meshdata->attribs[i].attribSizeBytes = meshdata->attribs[i].size * 4;
        meshdata->attribs[i].type = parseGLType(mesh_vertex_attribute_val[MESHDATA_TYPE].GetString());
        meshdata->attribs[i].vertexAttrib = parseGLProgramAttribute(mesh_vertex_attribute_val[MESHDATA_ATTRIBUTE].GetString());
    }
    
    // vertices
    const rapidjson::Value& mesh_data_vertex = mesh_array_0[MESHDATA_VERTEX];
    const rapidjson::Value& mesh_data_vertex_0 = mesh_data_vertex[(rapidjson::SizeType)0];
    
    meshdata->vertexSizeInFloat = mesh_data_vertex_0[MESHDATA_VERTEXSIZE].GetInt();
    meshdata->vertex.resize(meshdata->vertexSizeInFloat);
    
    const rapidjson::Value& mesh_data_body_vertices = mesh_data_vertex_0[MESHDATA_VERTICES];
    for (rapidjson::SizeType i = 0; i < mesh_data_body_vertices.Size(); i++)
        meshdata->vertex[i] = mesh_data_body_vertices[i].GetDouble();
    
    // submesh
    const rapidjson::Value& mesh_submesh_array = mesh_array_0[MESHDATA_SUBMESH];
    for (rapidjson::SizeType i = 0; i < mesh_submesh_array.Size(); i++)
    {
        const rapidjson::Value& mesh_submesh_val = mesh_submesh_array[i];
        //std::string id = mesh_submesh_val[ID].GetString();
        
        // index_number
        unsigned int indexnum = mesh_submesh_val[MESHDATA_INDEXNUM].GetUint();
        
        // indices
        std::vector<unsigned short> indices;
        indices.resize(indexnum);
        
        const rapidjson::Value& indices_val_array = mesh_submesh_val[MESHDATA_INDICES];
        for (rapidjson::SizeType j = 0; j < indices_val_array.Size(); j++)
            indices[j] = (unsigned short)indices_val_array[j].GetUint();
        
        meshdata->subMeshIndices.push_back(indices);
    }
    meshdatas.meshDatas.push_back(meshdata);
    return true;
}

bool Bundle3D::loadSkinDataJson(SkinData* skindata)
{
    if (!_jsonReader.HasMember(SKINDATA_SKIN )) return false;
    
    const rapidjson::Value& skin_data_array = _jsonReader[SKINDATA_SKIN ];
    
    assert(skin_data_array.IsArray());
    const rapidjson::Value& skin_data_array_val_0 = skin_data_array[(rapidjson::SizeType)0];
    
    if (!skin_data_array_val_0.HasMember(BONES))
        return false;
    
    const rapidjson::Value& skin_data_bones = skin_data_array_val_0[BONES];
    for (rapidjson::SizeType i = 0; i < skin_data_bones.Size(); i++)
    {
        const rapidjson::Value& skin_data_bone = skin_data_bones[i];
        std::string name = skin_data_bone[NODE].GetString();
        skindata->addSkinBoneNames(name);
        
        Mat4 mat_bind_pos;
        const rapidjson::Value& bind_pos = skin_data_bone[SKINDATA_BINDSHAPE];
        for (rapidjson::SizeType j = 0; j < bind_pos.Size(); j++)
        {
            mat_bind_pos.m[j] = bind_pos[j].GetDouble();
        }
        skindata->inverseBindPoseMatrices.push_back(mat_bind_pos);
    }
    
    // set root bone infomation
    const rapidjson::Value& skin_data_1 = skin_data_array[1];
    
    // parent and child relationship map
    skindata->skinBoneOriginMatrices.resize(skindata->skinBoneNames.size());
    getChildMap(skindata->boneChild, skindata, skin_data_1);
    return true;
}

bool Bundle3D::loadMaterialDataJson_0_1(MaterialDatas& materialdatas)
{
    if (!_jsonReader.HasMember(MATERIALDATA_MATERIAL))
        return false;
    NMaterialData materialData;
    const rapidjson::Value& material_data_array = _jsonReader[MATERIALDATA_MATERIAL];

    const rapidjson::Value& material_data_array_0 = material_data_array[(rapidjson::SizeType)0];

    const rapidjson::Value& material_data_base_array = material_data_array_0[MATERIALDATA_BASE];

    const rapidjson::Value& material_data_base_array_0 = material_data_base_array[(rapidjson::SizeType)0];
    NTextureData  textureData;
    // set texture
    textureData.filename =_modelPath + material_data_base_array_0[MATERIALDATA_FILENAME].GetString();
    textureData.type= NTextureData::Usage::Diffuse;
    textureData.id="";
    materialData.textures.push_back(textureData);
    materialdatas.materials.push_back(materialData);
    return true;
}

bool Bundle3D::loadMaterialDataJson_0_2(MaterialDatas& materialdatas)
{
    if (!_jsonReader.HasMember(MATERIALDATA_MATERIAL))
        return false;
     NMaterialData materialData;
    const rapidjson::Value& material_array = _jsonReader[MATERIALDATA_MATERIAL];
    
    for (rapidjson::SizeType i = 0; i < material_array.Size(); i++)
    {
        NTextureData  textureData;
        const rapidjson::Value& material_val = material_array[i];

        // set texture
        textureData.filename = _modelPath + material_val[MATERIALDATA_TEXTURES].GetString();
        textureData.type= NTextureData::Usage::Diffuse;
        textureData.id="";
        materialData.textures.push_back(textureData);
    }
    materialdatas.materials.push_back(materialData);
    return true;
}

bool Bundle3D::loadAnimationDataJson(Animation3DData* animationdata)
{
    if (!_jsonReader.HasMember(ANIMATIONDATA_ANIMATION)) return false;

    const rapidjson::Value& animation_data_array =  _jsonReader[ANIMATIONDATA_ANIMATION];
    if (animation_data_array.Size()==0) return false;

    const rapidjson::Value& animation_data_array_val_0 = animation_data_array[(rapidjson::SizeType)0];

    animationdata->_totalTime = animation_data_array_val_0[ANIMATIONDATA_LENGTH].GetDouble();

    const rapidjson::Value&  bones =  animation_data_array_val_0[BONES];
    for (rapidjson::SizeType i = 0; i <  bones.Size(); i++)
    {
        const rapidjson::Value&  bone =  bones[i];
        std::string bone_name =  bone[ANIMATIONDATA_BONEID].GetString();

        if ( bone.HasMember(ANIMATIONDATA_KEYFRAMES))
        {
            const rapidjson::Value& bone_keyframes =  bone[ANIMATIONDATA_KEYFRAMES];
            rapidjson::SizeType keyframe_size = bone_keyframes.Size();
            for (rapidjson::SizeType j = 0; j < keyframe_size; j++)
            {
                const rapidjson::Value&  bone_keyframe =  bone_keyframes[j];

                if ( bone_keyframe.HasMember(ANIMATIONDATA_TRANSLATION))
                {
                    const rapidjson::Value&  bone_keyframe_translation =  bone_keyframe[ANIMATIONDATA_TRANSLATION];
                    float keytime =  bone_keyframe[ANIMATIONDATA_KEYTIME].GetDouble();
                    Vec3 val = Vec3(bone_keyframe_translation[(rapidjson::SizeType)0].GetDouble(), bone_keyframe_translation[1].GetDouble(), bone_keyframe_translation[2].GetDouble());
                    animationdata->_translationKeys[bone_name].push_back(Animation3DData::Vec3Key(keytime,val));
                }

                if ( bone_keyframe.HasMember(ANIMATIONDATA_ROTATION))
                {
                    const rapidjson::Value&  bone_keyframe_rotation =  bone_keyframe[ANIMATIONDATA_ROTATION];
                    float keytime =  bone_keyframe[ANIMATIONDATA_KEYTIME].GetDouble();
                    Quaternion val = Quaternion(bone_keyframe_rotation[(rapidjson::SizeType)0].GetDouble(),bone_keyframe_rotation[1].GetDouble(),bone_keyframe_rotation[2].GetDouble(),bone_keyframe_rotation[3].GetDouble());
                    animationdata->_rotationKeys[bone_name].push_back(Animation3DData::QuatKey(keytime,val));
                }

                if ( bone_keyframe.HasMember(ANIMATIONDATA_SCALE))
                {
                    const rapidjson::Value&  bone_keyframe_scale =  bone_keyframe[ANIMATIONDATA_SCALE];
                    float keytime =  bone_keyframe[ANIMATIONDATA_KEYTIME].GetDouble();
                    Vec3 val = Vec3(bone_keyframe_scale[(rapidjson::SizeType)0].GetDouble(), bone_keyframe_scale[1].GetDouble(), bone_keyframe_scale[2].GetDouble());
                    animationdata->_scaleKeys[bone_name].push_back(Animation3DData::Vec3Key(keytime,val));
                }
            }
        }
    }
    
    return true;
}

bool Bundle3D::loadBinary(const std::string& path)
{
    clear();
    
    // get file data
    CC_SAFE_DELETE(_binaryBuffer);
    _binaryBuffer = new Data();
    *_binaryBuffer = FileUtils::getInstance()->getDataFromFile(path);
    if (_binaryBuffer->isNull()) 
    {
        clear();
        CCLOGINFO(false, "Failed to read file: %s", path.c_str());
        return false;
    }

    // Initialise bundle reader
    _binaryReader.init( (char*)_binaryBuffer->getBytes(),  _binaryBuffer->getSize() );

    // Read identifier info
    char identifier[] = { 'C', '3', 'B', '\0'};
    char sig[4];
    if (_binaryReader.read(sig, 1, 4) != 4 || memcmp(sig, identifier, 4) != 0)
    {
        clear();
        CCLOGINFO(false, "Invalid identifier: %s", path.c_str());
        return false;
    }

    // Read version
    unsigned char ver[2];
    if (_binaryReader.read(ver, 1, 2)!= 2){
        CCLOG("Failed to read version:");
        return false;
    }
    
    char version[20] = {0};
    sprintf(version, "%d.%d", ver[0], ver[1]);
    _version = version;

    // Read ref table size
    if (_binaryReader.read(&_referenceCount, 4, 1) != 1)
    {
        clear();
        CCLOGINFO("Failed to read ref table size '%s'.", path.c_str());
        return false;
    }

    // Read all refs
    CC_SAFE_DELETE_ARRAY(_references);
    _references = new Reference[_referenceCount];
    for (ssize_t i = 0; i < _referenceCount; ++i)
    {
        if ((_references[i].id = _binaryReader.readString()).empty() ||
            _binaryReader.read(&_references[i].type, 4, 1) != 1 ||
            _binaryReader.read(&_references[i].offset, 4, 1) != 1)
        {
            clear();
            CCLOGINFO("Failed to read ref number %d for bundle '%s'.", i, path.c_str());
            CC_SAFE_DELETE_ARRAY(_references);
            return false;
        }
    }

    return true;
}

bool Bundle3D::loadMeshDataBinary(MeshData* meshdata)
{
    if (_version == "0.1")
    {
        return loadMeshDataBinary_0_1(meshdata);
    }
    else if(_version == "0.2")
    {
        return loadMeshDataBinary_0_2(meshdata);
    }
    else
    {
        CCLOGINFO(false, "Unsupported version of loadMeshDataBinary() : %s", _version);
        return false;
    }
}

bool Bundle3D::loadMeshDataBinary_0_1(MeshData* meshdata)
{
    if (!seekToFirstType(BUNDLE_TYPE_MESH))
        return false;

    // read mesh data
    if (_binaryReader.read(&meshdata->attribCount, 4, 1) != 1 || meshdata->attribCount < 1)
    {
        CCLOGINFO("Failed to read meshdata: attribCount '%s'.", _path.c_str());
        return false;
    }

    meshdata->attribs.resize(meshdata->attribCount);
    for (ssize_t i = 0; i < meshdata->attribCount; i++)
    {
        unsigned int vUsage, vSize;
        if (_binaryReader.read(&vUsage, 4, 1) != 1 || _binaryReader.read(&vSize, 4, 1) != 1)
        {
            CCLOGINFO("Failed to read meshdata: usage or size '%s'.", _path.c_str());
            return false;
        }

        meshdata->attribs[i].size = vSize;
        meshdata->attribs[i].attribSizeBytes = meshdata->attribs[i].size * 4;
        meshdata->attribs[i].type = GL_FLOAT;
        meshdata->attribs[i].vertexAttrib = vUsage;
    }

    // Read vertex data
    if (_binaryReader.read(&meshdata->vertexSizeInFloat, 4, 1) != 1 || meshdata->vertexSizeInFloat == 0)
    {
        CCLOGINFO("Failed to read meshdata: vertexSizeInFloat '%s'.", _path.c_str());
        return false;
    }

    meshdata->vertex.resize(meshdata->vertexSizeInFloat);
    if (_binaryReader.read(&meshdata->vertex[0], 4, meshdata->vertexSizeInFloat) != meshdata->vertexSizeInFloat)
    {
        CCLOGINFO("Failed to read meshdata: vertex element '%s'.", _path.c_str());
        return false;
    }

    // Read index data
    unsigned int meshPartCount = 1;
    //_binaryReader.read(&meshPartCount, 4, 1);

    for (unsigned int i = 0; i < meshPartCount; ++i)
    {
        unsigned int nIndexCount;
        if (_binaryReader.read(&nIndexCount, 4, 1) != 1)
        {
            CCLOGINFO("Failed to read meshdata: nIndexCount '%s'.", _path.c_str());
            return false;
        }
        
        std::vector<unsigned short> indices;
        indices.resize(nIndexCount);
        if (_binaryReader.read(&indices[0], 2, nIndexCount) != nIndexCount)
        {
            CCLOGINFO("Failed to read meshdata: indices '%s'.", _path.c_str());
            return false;
        }
        
        meshdata->subMeshIndices.push_back(indices);
    }

    return true;
}

bool Bundle3D::loadMeshDataBinary_0_2(MeshData* meshdata)
{
    if (!seekToFirstType(BUNDLE_TYPE_MESH))
        return false;
    
    meshdata->resetData();
    
    // read mesh data
    if (_binaryReader.read(&meshdata->attribCount, 4, 1) != 1 || meshdata->attribCount < 1)
    {
        CCLOGINFO("Failed to read meshdata: attribCount '%s'.", _path.c_str());
        return false;
    }
    
    meshdata->attribs.resize(meshdata->attribCount);
    for (ssize_t i = 0; i < meshdata->attribCount; i++)
    {
        unsigned int vUsage, vSize;
        if (_binaryReader.read(&vUsage, 4, 1) != 1 || _binaryReader.read(&vSize, 4, 1) != 1)
        {
            CCLOGINFO("Failed to read meshdata: usage or size '%s'.", _path.c_str());
            return false;
        }
        
        meshdata->attribs[i].size = vSize;
        meshdata->attribs[i].attribSizeBytes = meshdata->attribs[i].size * 4;
        meshdata->attribs[i].type = GL_FLOAT;
        meshdata->attribs[i].vertexAttrib = vUsage;
    }
    
    // Read vertex data
    if (_binaryReader.read(&meshdata->vertexSizeInFloat, 4, 1) != 1 || meshdata->vertexSizeInFloat == 0)
    {
        CCLOGINFO("Failed to read meshdata: vertexSizeInFloat '%s'.", _path.c_str());
        return false;
    }
    
    meshdata->vertex.resize(meshdata->vertexSizeInFloat);
    if (_binaryReader.read(&meshdata->vertex[0], 4, meshdata->vertexSizeInFloat) != meshdata->vertexSizeInFloat)
    {
        CCLOGINFO("Failed to read meshdata: vertex element '%s'.", _path.c_str());
        return false;
    }
    
    // read submesh
    unsigned int submeshCount;
    if (_binaryReader.read(&submeshCount, 4, 1) != 1)
    {
        CCLOGINFO("Failed to read meshdata: submeshCount '%s'.", _path.c_str());
        return false;
    }
    
    for (unsigned int i = 0; i < submeshCount; ++i)
    {
        unsigned int nIndexCount;
        if (_binaryReader.read(&nIndexCount, 4, 1) != 1)
        {
            CCLOGINFO("Failed to read meshdata: nIndexCount '%s'.", _path.c_str());
            return false;
        }
        
        std::vector<unsigned short> indices;
        indices.resize(nIndexCount);
        if (_binaryReader.read(&indices[0], 2, nIndexCount) != nIndexCount)
        {
            CCLOGINFO("Failed to read meshdata: indices '%s'.", _path.c_str());
            return false;
        }
        
        meshdata->subMeshIndices.push_back(indices);
    }
    
    return true;
}

bool Bundle3D::loadSkinDataBinary(SkinData* skindata)
{
    if (!seekToFirstType(BUNDLE_TYPE_MESHSKIN))
        return false;
    
    std::string boneName = _binaryReader.readString();
    
    // transform
    float bindShape[16];
    if (!_binaryReader.readMatrix(bindShape))
    {
        CCLOGINFO("Failed to read SkinData: bindShape matrix  '%s'.", _path.c_str());
        return false;
    }
    
    // bone count
    unsigned int boneNum;
    if (!_binaryReader.read(&boneNum))
    {
        CCLOGINFO("Failed to read SkinData: boneNum  '%s'.", _path.c_str());
        return false;
    }
    
    // bone names and bind pos
    float bindpos[16];
    for (unsigned int i = 0; i < boneNum; i++)
    {
        std::string skinBoneName = _binaryReader.readString();
        skindata->skinBoneNames.push_back(skinBoneName);
        if (!_binaryReader.readMatrix(bindpos))
        {
            CCLOGINFO("Failed to load SkinData: bindpos '%s'.", _path.c_str());
            return false;
        }
        skindata->inverseBindPoseMatrices.push_back(bindpos);
    }
    
    skindata->skinBoneOriginMatrices.resize(boneNum);
    
    boneName = _binaryReader.readString();
    
    // bind shape
    _binaryReader.readMatrix(bindShape);
    int rootIndex = skindata->getSkinBoneNameIndex(boneName);
    if(rootIndex < 0)
    {
        skindata->addNodeBoneNames(boneName);
        rootIndex = skindata->getBoneNameIndex(boneName);
        skindata->nodeBoneOriginMatrices.push_back(bindShape);
    }
    else
    {
        skindata->skinBoneOriginMatrices[rootIndex] = bindShape;
    }
    
    // set root bone index
    skindata->rootBoneIndex = rootIndex;
    
    // read parent and child relationship map
    float transform[16];
    unsigned int linkNum;
    _binaryReader.read(&linkNum);
    for (unsigned int i = 0; i < linkNum; ++i)
    {
        std::string id = _binaryReader.readString();
        int index = skindata->getSkinBoneNameIndex(id);

        
        std::string parentid = _binaryReader.readString();
        
        if (!_binaryReader.readMatrix(transform))
        {
            CCLOGINFO("Failed to load SkinData: transform '%s'.", _path.c_str());
            return false;
        }
        
        if(index < 0)
        {
            skindata->addNodeBoneNames(id);
            index = skindata->getBoneNameIndex(id);
            skindata->nodeBoneOriginMatrices.push_back(transform);
        }
        else
        {
            skindata->skinBoneOriginMatrices[index] = transform;
        }
        
        int parentIndex = skindata->getSkinBoneNameIndex(parentid);
        if(parentIndex < 0)
        {
            skindata->addNodeBoneNames(parentid);
            parentIndex = skindata->getBoneNameIndex(parentid);
        }
      
        skindata->boneChild[parentIndex].push_back(index);
        
    }

    return true;
}

bool Bundle3D::loadMaterialDataBinary(MaterialData* materialdata)
{
    if (!seekToFirstType(BUNDLE_TYPE_MATERIAL))
        return false;

    unsigned int materialnum = 1;
    if (_version == "0.2")
    {
        _binaryReader.read(&materialnum, 4, 1);
    }
    
    for (int i = 0; i < materialnum; i++)
    {
        std::string texturePath = _binaryReader.readString();
        if (texturePath.empty())
        {
            CCLOGINFO("Failed to read Materialdata: texturePath is empty '%s'.", _path.c_str());
            return false;
        }
        
        std::string path = _modelPath + texturePath;
        materialdata->texturePaths[i] = path;
    }
    
    return true;
}

bool Bundle3D::loadAnimationDataBinary(Animation3DData* animationdata)
{
    if (!seekToFirstType(BUNDLE_TYPE_ANIMATIONS))
        return false;

    _binaryReader.readString();

    if (!_binaryReader.read(&animationdata->_totalTime))
    {
        CCLOGINFO("Failed to read AnimationData: totalTime '%s'.", _path.c_str());
        return false;
    }

    unsigned int animNum;
    if (!_binaryReader.read(&animNum))
    {
        CCLOGINFO("Failed to read AnimationData: animNum '%s'.", _path.c_str());
        return false;
    }

    for (unsigned int i = 0; i < animNum; ++i)
    {
        std::string boneName = _binaryReader.readString();
        unsigned int keyframeNum;
        if (!_binaryReader.read(&keyframeNum))
        {
            CCLOGINFO("Failed to read AnimationData: keyframeNum '%s'.", _path.c_str());
            return false;
        }

        for (unsigned int j = 0; j < keyframeNum; ++j)
        {
            float keytime;
            if (!_binaryReader.read(&keytime))
            {
                CCLOGINFO("Failed to read AnimationData: keytime '%s'.", _path.c_str());
                return false;
            }

            Quaternion  rotate;
            if (_binaryReader.read(&rotate, 4, 4) != 4)
            {
                CCLOGINFO("Failed to read AnimationData: rotate '%s'.", _path.c_str());
                return false;
            }
            animationdata->_rotationKeys[boneName].push_back(Animation3DData::QuatKey(keytime, rotate));

            Vec3 scale;
            if (_binaryReader.read(&scale, 4, 3) != 3)
            {
                CCLOGINFO("Failed to read AnimationData: scale '%s'.", _path.c_str());
                return false;
            }
            animationdata->_scaleKeys[boneName].push_back(Animation3DData::Vec3Key(keytime, scale));

            Vec3 position;
            if (_binaryReader.read(&position, 4, 3) != 3)
            {
                CCLOGINFO("Failed to read AnimationData: position '%s'.", _path.c_str());
                return false;
            }
            animationdata->_translationKeys[boneName].push_back(Animation3DData::Vec3Key(keytime, position));
        }
    }
    return true;
}

bool Bundle3D::loadNodesJson(NodeDatas& nodedatas)
{
    if (!_jsonReader.HasMember(NODES)) return false;
    const rapidjson::Value& nodes = _jsonReader[NODES];
    if(!nodes.IsArray()) return false;

    loadBoneNamesJson(nodes);

    // traverse the nodes again
    for (rapidjson::SizeType i = 0; i < nodes.Size(); i++)
    {
        _skeleton = false;
        const rapidjson::Value& jnode = nodes[i];
        std::string id = jnode[ID].GetString();
        NodeData* nodedata = parseNodesRecursivelyJson(jnode);

        //bool isSkeleton;
        //isSkeleton = checkIsSkeletonJson(jnode);

        if (_skeleton)
            nodedatas.skeleton.push_back(nodedata);
        else
            nodedatas.nodes.push_back(nodedata);
    }

    return true;
}

void Bundle3D::loadBoneNamesJson(const rapidjson::Value& jnodes)
{
    for (rapidjson::SizeType i = 0; i < jnodes.Size(); i++)
    {
        parseBoneNameRecursivelyJson(jnodes[i]);
    }
}

void Bundle3D::parseBoneNameRecursivelyJson(const rapidjson::Value& jnode)
{
    std::string id = jnode[ID].GetString();
    if (jnode.HasMember(PARTS))
    {
        const rapidjson::Value& parts = jnode[PARTS];

        for (rapidjson::SizeType i = 0; i < parts.Size(); i++)
        {
            const rapidjson::Value& part = parts[i];

            if (part.HasMember(BONES))
            {
                const rapidjson::Value& bones = part[BONES];

                for (rapidjson::SizeType j = 0; j < bones.Size(); j++)
                {
                    const rapidjson::Value& bone = bones[j];
                    std::string bonename = bone[NODE].GetString();

                    if (!checkIsBone(bonename))
                    {
                        _bonenames.push_back(bonename);
                    }
                }
            }
        }
    }

    if (jnode.HasMember(CHILDREN))
    {
        const rapidjson::Value& children = jnode[CHILDREN];

        for (rapidjson::SizeType i = 0; i < children.Size(); i++)
        {
            parseBoneNameRecursivelyJson(children[i]);
        }
    }
}

bool Bundle3D::checkIsBone(const std::string& name)
{
    std::list<std::string>::iterator iter = std::find(_bonenames.begin(), _bonenames.end(), name);
    bool ret = (iter != _bonenames.end()) ? true : false;
    return ret;
}

NodeData* Bundle3D::parseNodesRecursivelyJson(const rapidjson::Value& jvalue)
{
    NodeData* nodedata;
    if (jvalue.HasMember(PARTS))
        nodedata = new ModelNodeData();
    else
        nodedata = new NodeData();

    // id
    nodedata->id = jvalue[ID].GetString();

    // check is skeleton
    if (checkIsBone(nodedata->id))
        _skeleton = true;

    // transform
    Mat4 tranform;
    const rapidjson::Value& jtransform = jvalue[TRANSFORM];

    for (rapidjson::SizeType j = 0; j < jtransform.Size(); j++)
    {
        tranform.m[j] = jtransform[j].GetDouble();
    }

    nodedata->transform = tranform;

    // parts
    if (jvalue.HasMember(PARTS))
    {
        const rapidjson::Value& parts = jvalue[PARTS];
        ModelNodeData* modelnodedata = dynamic_cast<ModelNodeData*>(nodedata);

        for (rapidjson::SizeType i = 0; i < parts.Size(); i++)
        {
            const rapidjson::Value& part = parts[i];
            std::string meshPartId = part[MESHPARTID].GetString();
            std::string materialId = part[MATERIALID].GetString();

            if (meshPartId == "" || materialId == "")
            {
                std::string err = "Node " + nodedata->id + " part is missing meshPartId or materialId";
                CCASSERT(false, err.c_str()); 
                return nullptr;
            }

            if (part.HasMember(BONES))
            {
                const rapidjson::Value& bones = part[BONES];

                for (rapidjson::SizeType j = 0; j < bones.Size(); j++) 
                {
                    const rapidjson::Value& bone = bones[i];

                    // node
                    if (!bone.HasMember(NODE))
                    {
                        CCASSERT(false, "Bone node ID missing");
                        return nullptr;
                    }

                    modelnodedata->bones.push_back(bone[NODE].GetString());

                    Mat4 invbindpos;
                    const rapidjson::Value& jtransform = jvalue[TRANSFORM];

                    for (rapidjson::SizeType j = 0; j < jtransform.Size(); j++)
                    {
                        invbindpos.m[j] = jtransform[j].GetDouble();
                    }

                    modelnodedata->invBindPose.push_back(invbindpos);
                }
            }
        }
    }

    if (jvalue.HasMember(CHILDREN))
    {
        const rapidjson::Value& children = jvalue[CHILDREN];
        for (rapidjson::SizeType i = 0; i <  children.Size(); i++)
        {
            const rapidjson::Value& child = children[i];

            NodeData* tempdata = parseNodesRecursivelyJson(child);
            nodedata->children.push_back(tempdata);
        }
    }

    return nodedata;
}

bool Bundle3D::loadNodesBinary(NodeDatas& nodedatas)
{
    if (!seekToFirstType(BUNDLE_TYPE_NODE))
        return false;
    
    loadBoneNamesBinary();

    if (!seekToFirstType(BUNDLE_TYPE_NODE))
        return false;

    unsigned int nodeSize = 0;
    if (_binaryReader.read(&nodeSize, 4, 1) != 1)
    {
        CCLOGINFO("Failed to read nodes: size '%s'.", _path.c_str());
        return false;
    }

    // traverse the nodes again
    for (rapidjson::SizeType i = 0; i < nodeSize; i++)
    {
        std::string id = _binaryReader.readString();
        NodeData* nodedata = parseNodesRecursivelyBinary();

        if (_skeleton)
            nodedatas.skeleton.push_back(nodedata);
        else
            nodedatas.nodes.push_back(nodedata);
    }
    return true;
}

void Bundle3D::loadBoneNamesBinary()
{
    unsigned int nodeSize=0;
    if (_binaryReader.read(&nodeSize, 4, 1) != 1)
    {
        CCLOGINFO("Failed to read nodes: size '%s'.", _path.c_str());
        return;
    }

    for (unsigned int i = 0; i < nodeSize; i++)
    {
        parseBoneNameRecursivelyBinary();
    }
}

void Bundle3D::parseBoneNameRecursivelyBinary()
{
    std::string id = _binaryReader.readString();

    Mat4 nodeMat;
    if (!_binaryReader.readMatrix(nodeMat.m))
        return;

    // read pass
    unsigned int partsSize=0;
    if (_binaryReader.read(&partsSize, 4, 1) != 1)
    {
        CCASSERT("Failed to read part size: '%s'.", _path.c_str());
        return;
    }

    if (partsSize > 0)
    {
        for (unsigned i = 0; i < partsSize; i++)
        {
            unsigned int boneSize=0;
            if (_binaryReader.read(&boneSize, 4, 1) != 1)
            {
                CCASSERT("Failed to read bone: size '%s'.", _path.c_str());
                return;
            }

            if (boneSize > 0)
            {
                for (unsigned j = 0; j < boneSize; j++)
                {
                    std::string bonename = _binaryReader.readString();

                    Mat4 boneMat;
                    if (!_binaryReader.readMatrix(boneMat.m))
                        return;

                    if (!checkIsBone(bonename))
                    {
                        _bonenames.push_back(bonename);
                    }
                }
            }
        }
    }

    // read children
    unsigned int childrenSize = 0;
    if (_binaryReader.read(&childrenSize, 4, 1) != 1)
    {
        CCASSERT("Failed to read children size: '%s'.", _path.c_str());
        return;
    }

    if (childrenSize > 0)
    {
        for (rapidjson::SizeType i = 0; i < childrenSize; i++)
        {
            parseBoneNameRecursivelyBinary();
        }
    }
}

NodeData* Bundle3D::parseNodesRecursivelyBinary()
{
    return nullptr;
}

GLenum Bundle3D::parseGLType(const std::string& str)
{
    if (str == "GL_BYTE")
    {
        return GL_BYTE;
    }
    else if(str == "GL_UNSIGNED_BYTE")
    {
        return GL_UNSIGNED_BYTE;
    }
    else if(str == "GL_SHORT")
    {
        return GL_SHORT;
    }
    else if(str == "GL_UNSIGNED_SHORT")
    {
        return GL_UNSIGNED_SHORT;
    }
    else if(str == "GL_INT")
    {
        return GL_INT;
    }
    else if (str == "GL_UNSIGNED_INT")
    {
        return GL_UNSIGNED_INT;
    }
    else if (str == "GL_FLOAT")
    {
        return GL_FLOAT;
    }
    else
    {
        CCASSERT(false, "Wrong GL type");
        return 0;
    }
}
NTextureData::Usage Bundle3D::parseGLTextureType(const std::string& str)
{
    if (str == "AMBIENT")
    {
        return NTextureData::Usage::Ambient;
    }
    else if(str == "BUMP")
    {
        return NTextureData::Usage::Bump;
    }
    else if(str == "DIFFUSE")
    {
        return NTextureData::Usage::Diffuse;
    }
    else if(str == "EMISSIVE")
    {
        return NTextureData::Usage::Emissive;
    }
    else if(str == "NONE")
    {
        return NTextureData::Usage::None;
    }
    else if (str == "NORMAL")
    {
         return NTextureData::Usage::Normal;
    }
    else if (str == "REFLECTION")
    {
        return NTextureData::Usage::Reflection;
    }
    else if (str == "SHININESS")
    {
       return NTextureData::Usage::Shininess;
    }
    else if (str == "SPECULAR")
    {
        return NTextureData::Usage::Specular;
    }
    else if (str == "TRANSPARENCY")
    {
         return NTextureData::Usage::Transparency;
    }
    else
    {
        CCASSERT(false, "Wrong GL type");
        return NTextureData::Usage::Unknown;
    }
}
unsigned int Bundle3D::parseGLProgramAttribute(const std::string& str)
{
    if (str == "VERTEX_ATTRIB_POSITION")
    {
        return GLProgram::VERTEX_ATTRIB_POSITION;
    }
    else if (str == "VERTEX_ATTRIB_COLOR")
    {
        return GLProgram::VERTEX_ATTRIB_COLOR;
    }
    else if (str == "VERTEX_ATTRIB_TEX_COORD")
    {
        return GLProgram::VERTEX_ATTRIB_TEX_COORD;
    }
    else if (str == "VERTEX_ATTRIB_NORMAL")
    {
        return GLProgram::VERTEX_ATTRIB_NORMAL;
    }
    else if (str == "VERTEX_ATTRIB_BLEND_WEIGHT")
    {
        return GLProgram::VERTEX_ATTRIB_BLEND_WEIGHT;
    }
    else if (str == "VERTEX_ATTRIB_BLEND_INDEX")
    {
        return GLProgram::VERTEX_ATTRIB_BLEND_INDEX;
    }
    else
    {
        assert(0);
        return -1;
    }
}

void Bundle3D::getModelRelativePath(const std::string& path)
{
    ssize_t index = path.find_last_of('/');
    std::string fullModelPath;
    _modelPath = path.substr(0, index + 1);
}

Reference* Bundle3D::seekToFirstType(unsigned int type)
{
    // for each Reference
    for (unsigned int i = 0; i < _referenceCount; ++i)
    {
        Reference* ref = &_references[i];
        if (ref->type == type)
        {
            // Found a match
            if (_binaryReader.seek(ref->offset, SEEK_SET) == false)
            {
                CCLOGINFO("Failed to seek to object '%s' in bundle '%s'.", ref->id.c_str(), _path.c_str());
                return nullptr;
            }
            return ref;
        }
    }
    return nullptr;
}

Bundle3D::Bundle3D()
:_isBinary(false),
_modelPath(""),
_path(""),
_version(""),
_jsonBuffer(nullptr),
_binaryBuffer(nullptr),
_referenceCount(0),
_references(nullptr),
_skeleton(false)
{

}
Bundle3D::~Bundle3D()
{
    clear();
    
}

NS_CC_END