/****************************************************************************
Copyright (c) 2013 cocos2d-x.org

http://www.cocos2d-x.org

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
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furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

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****************************************************************************/

#ifndef __CCTRANSFORMHELP_H__
#define __CCTRANSFORMHELP_H__

#include "cocostudio/CCArmatureDefine.h"
#include "cocostudio/CCDatas.h"

namespace cocostudio {

/*
 * use to calculate the matrix of node from parent node
 * @js NA
 * @lua NA
 */
class  TransformHelp
{
public:
    TransformHelp();

    static void transformFromParent(BaseData &node, const BaseData &parentNode);
    static void transformToParent(BaseData &node, const BaseData &parentNode);

    static void transformFromParentWithoutScale(BaseData &node, const BaseData &parentNode);
    static void transformToParentWithoutScale(BaseData &node, const BaseData &parentNode);

    static void nodeToMatrix(const BaseData &_node, cocos2d::AffineTransform &_matrix);
    static void nodeToMatrix(const BaseData &node, kmMat4 &matrix);
    static void matrixToNode(const cocos2d::AffineTransform &_matrix, BaseData &_node);
    static void matrixToNode(const kmMat4 &_matrix, BaseData &_node);

    static void nodeConcat(BaseData &target, BaseData &source);
    static void nodeSub(BaseData &target, BaseData &source);
public:
    static cocos2d::AffineTransform helpMatrix1;
    static cocos2d::AffineTransform helpMatrix2;

    static cocos2d::Point helpPoint1;
    static cocos2d::Point helpPoint2;
};

}

#endif /*__CCTRANSFORMHELP_H__*/