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

#ifndef __CCBONE_H__
#define __CCBONE_H__

#include "utils/CCArmatureDefine.h"
#include "datas/CCDatas.h"
#include "animation/CCTween.h"
#include "external_tool/CCTexture2DMutable.h"
#include "display/CCDecorativeDisplay.h"
#include "display/CCDisplayManager.h"

NS_CC_EXT_BEGIN

class CCArmature;

class CCBone : public CCNodeRGBA
{
public:
    /**
     * Allocates and initializes a bone.
     * @return A initialized bone which is marked as "autorelease".
     */
    static CCBone *create();
    /**
     * Allocates and initializes a bone.
     *
     * @param  name If name is not null, then set name to the bone's name
     * @return A initialized bone which is marked as "autorelease".
     */
    static CCBone *create(const char *name);

public:
    CCBone();
    virtual ~CCBone(void);

    /**
     * Initializes an empty CCBone with nothing init.
     */
    virtual bool init();

    /**
     * Initializes a CCBone with the specified name
     * @param name CCBone's name.
     */
    virtual bool init(const char *name);

    /**
     * Add display and use  _DisplayData init the display.
     * If index already have a display, then replace it.
     * If index is current display index, then also change display to _index
     *
     * @param displayData it include the display information, like DisplayType.
     *          If you want to create a sprite display, then create a CCSpriteDisplayData param
     *
     *	@param 	_index the index of the display you want to replace or add to
     *          -1 : append display from back
     */
    void addDisplay(CCDisplayData *displayData, int index);

    void changeDisplayByIndex(int index, bool force);

    /**
     * Add a child to this bone, and it will let this child call setParent(CCBone *_parent) function to set self to it's parent
     *	@param 	_child  the child you want to add
     */
    void addChildBone(CCBone *_child);

    /**
     * Set parent bone.
     * If _parent is NUll, then also remove this bone from armature.
     * It will not set the CCArmature, if you want to add the bone to a CCArmature, you should use CCArmature::addBone(CCBone *bone, const char* _parentName).
     *
     * @param parent  the parent bone.
     *          NULL : remove this bone from armature
     */
    void setParentBone(CCBone *parent);

    /**
     * Get parent bone
     * @return parent bone
     */
    CCBone *getParentBone();

    /**
     * Remove itself from its parent CCBone.
     * @param 	recursion    whether or not remove Child display
     */
    void removeFromParent(bool recursion);

    /**
     * Removes a child CCBone
     * @param 	bone   the bone you want to remove
     */
    void removeChildBone(CCBone *bone, bool recursion);

    void update(float delta);

    void updateDisplayedColor(const ccColor3B &parentColor);
    void updateDisplayedOpacity(GLubyte parentOpacity);

    //! Update color to render display
    void updateColor();

    CCArray *getChildren();
    CCTween *getTween();

    virtual void setZOrder(int zOrder);
    /*
     * Whether or not the bone's transform property changed. if true, the bone will update the transform.
     */
    virtual void setTransformDirty(bool dirty);

    virtual bool isTransformDirty();

    virtual CCAffineTransform nodeToArmatureTransform();

public:
    /*
     *  The origin state of the CCBone. Display's state is effected by m_pBoneData, m_pNode, m_pTweenData
     *  when call setData function, it will copy from the CCBoneData.
     */
    CC_PROPERTY(CCBoneData *, m_pBoneData, BoneData);

    //! A weak reference to the CCArmature
    CC_SYNTHESIZE(CCArmature *, m_pArmature, Armature);

    //! A weak reference to the child CCArmature
    CC_PROPERTY(CCArmature *, m_pChildArmature, ChildArmature);

    CC_SYNTHESIZE(CCDisplayManager *, m_pDisplayManager, DisplayManager)

    /*
     *	When CCArmature play a animation, if there is not a CCMovementBoneData of this bone in this CCMovementData, this bone will hide.
     *	Set IgnoreMovementBoneData to true, then this bone will also show.
     */
    CC_SYNTHESIZE_PASS_BY_REF(bool, m_bIgnoreMovementBoneData, IgnoreMovementBoneData)

protected:
    CCTween *m_pTween;				//! Calculate tween effect

    //! Used for make tween effect between every frame
    CC_SYNTHESIZE_READONLY(CCFrameData *, m_pTweenData, TweenData);

    CC_SYNTHESIZE_PASS_BY_REF(std::string, m_strName, Name);

    //! Lazy allocs
    void childrenAlloc(void);
    CCArray *m_pChildren;

    CCBone *m_pParent;				//! A weak reference to it's parent
    bool m_bTransformDirty;			//! Whether or not transform dirty

    //! self Transform, use this to change display's state
    CCAffineTransform m_tWorldTransform;
};

NS_CC_EXT_END

#endif /*__CCBONE_H__*/