axmol/cocos/3d/CCBundle3D.h

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

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 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
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 ****************************************************************************/

#ifndef __CCBUNDLE3D_H__
#define __CCBUNDLE3D_H__

#include "3d/CCBundle3DData.h"
#include "3d/3dExport.h"
#include "3d/CCBundleReader.h"
#include "json/document.h"

NS_CC_BEGIN
class Animation3D;
class Data;

/**
 * Defines a bundle file that contains a collection of assets. Mesh, Material, MeshSkin, Animation
 * There are two types of bundle files, c3t and c3b.
 * c3t text file
 * c3b binary file
 */
class CC_3D_DLL Bundle3D
{
public:
    /**you can define yourself bundle and set it, use default bundle otherwise*/
    static void setBundleInstance(Bundle3D* bundleInstance);
    
    static Bundle3D* getInstance();
    
    static void destroyInstance();
    
	virtual void clear();

    /**
     * load a file. You must load a file first, then call loadMeshData, loadSkinData, and so on
     * @param path File to be loaded
     * @return result of load
     */
    virtual bool load(const std::string& path);
    
    /**
     * load mesh data from bundle
     * @param id The ID of the mesh, load the first Mesh in the bundle if it is empty
     */
    virtual bool loadMeshData(const std::string& id, MeshData* meshdata);
    
    /**
     * load skin data from bundle
     * @param id The ID of the skin, load the first Skin in the bundle if it is empty
     */
    virtual bool loadSkinData(const std::string& id, SkinData* skindata);
    
    /**
     * load material data from bundle
     * @param id The ID of the material, load the first Material in the bundle if it is empty
     */
    virtual bool loadMaterialData(const std::string& id, MaterialData* materialdata);
    
    /**
     * load material data from bundle
     * @param id The ID of the animation, load the first animation in the bundle if it is empty
     */
    virtual bool loadAnimationData(const std::string& id, Animation3DData* animationdata);
    
    //since 3.3, to support reskin
    virtual bool loadMeshDatas(MeshDatas& meshdatas);
    //since 3.3, to support reskin
    virtual bool loadNodes(NodeDatas& nodedatas);
    //since 3.3, to support reskin
    virtual bool loadMaterials(MaterialDatas& materialdatas);
    
    //load .obj file
    static bool loadObj(MeshDatas& meshdatas, MaterialDatas& materialdatas, NodeDatas& nodedatas, const std::string& fullPath, const char* mtl_basepath = nullptr);
  
protected:

    bool loadJson(const std::string& path);
    bool loadMeshDatasJson(MeshDatas& meshdatas);
    bool loadMeshDataJson_0_1(MeshDatas& meshdatas);
    bool loadMeshDataJson_0_2(MeshDatas& meshdatas);
    bool loadMeshDatasBinary(MeshDatas& meshdatas);
    bool loadMeshDatasBinary_0_1(MeshDatas& meshdatas);
    bool loadMeshDatasBinary_0_2(MeshDatas& meshdatas);
    bool loadMaterialsJson(MaterialDatas& materialdatas);
    bool loadMaterialDataJson_0_1(MaterialDatas& materialdatas);
    bool loadMaterialDataJson_0_2(MaterialDatas& materialdatas);
    bool loadMaterialsBinary(MaterialDatas& materialdatas);
    bool loadMaterialsBinary_0_1(MaterialDatas& materialdatas);
    bool loadMaterialsBinary_0_2(MaterialDatas& materialdatas);
    bool loadMeshDataJson(MeshData* meshdata){return true;}
    bool loadMeshDataJson_0_1(MeshData* meshdata){return true;}
    bool loadMeshDataJson_0_2(MeshData* meshdata){return true;}
    bool loadSkinDataJson(SkinData* skindata);
    bool loadMaterialDataJson(MaterialData* materialdata){return true;}
    bool loadMaterialDataJson_0_1(MaterialData* materialdata){return true;}
    bool loadMaterialDataJson_0_2(MaterialData* materialdata){return true;}
    bool loadAnimationDataJson(Animation3DData* animationdata);
    /**
     * load data in binary
     * @param path The c3b file path
     */
    bool loadBinary(const std::string& path);

    /**
     * load mesh data in binary
     * @param meshdata The mesh data pointer
     */
    bool loadMeshDataBinary(MeshData* meshdata);
    bool loadMeshDataBinary_0_1(MeshData* meshdata);
    bool loadMeshDataBinary_0_2(MeshData* meshdata);

    /**
     * load skin data in binary
     * @param skindata The skin data pointer
     */
    bool loadSkinDataBinary(SkinData* skindata);

    /**
     * load material data in binary
     * @param materialdata The material pointer 
     */
    bool loadMaterialDataBinary(MaterialData* materialdata);

    /**
     * load animation data in binary
     * @param animationdata The animation data pointer
     */
    bool loadAnimationDataBinary(Animation3DData* animationdata);

    bool checkIsBone(const std::string& name);

    /**
     * load nodes of json
     */
    bool loadNodesJson(NodeDatas& nodedatas);
    NodeData* parseNodesRecursivelyJson(const rapidjson::Value& jvalue);

    /**
     * load nodes of binary
     */
    bool loadNodesBinary(NodeDatas& nodedatas);
    NodeData* parseNodesRecursivelyBinary(bool& skeleton);

    /**
     * get define data type
     * @param str The type in string
     */
    GLenum parseGLType(const std::string& str);

     /**
     * get define data type
     * @param str The type in string
     */
    NTextureData::Usage parseGLTextureType(const std::string& str);

    /**
     * get vertex attribute type
     * @param str The type in string
     */
    unsigned int parseGLProgramAttribute(const std::string& str);

    /*
     * get model path
     * @param str Full path of model file
     */
    void getModelRelativePath(const std::string& path);

    /*
    * set the read position in buffer to the target type
    * @param The data type
    */
    Reference* seekToFirstType(unsigned int type);

CC_CONSTRUCTOR_ACCESS:
    Bundle3D();
    virtual ~Bundle3D();
    
protected:
    
    static Bundle3D* _instance;
    
    std::string _modelPath;
    std::string         _path;
    
    std::string _version;// the c3b or c3t version
    
    // for json reading
    char* _jsonBuffer;
    rapidjson::Document _jsonReader;

    // for binary reading
    Data* _binaryBuffer;
    BundleReader _binaryReader;
    unsigned int _referenceCount;
    Reference* _references;
    bool  _isBinary;
};

NS_CC_END

#endif // __CCBUNDLE3D_H__