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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"

namespace cocos2d { namespace extension { namespace armature {

class Armature;

class Bone : public NodeRGBA
{
public:
    /**
     * Allocates and initializes a bone.
     * @return A initialized bone which is marked as "autorelease".
     */
    static Bone *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 Bone *create(const char *name);

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

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

    /**
     * Initializes a Bone with the specified name
     * @param name Bone'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 SpriteDisplayData param
     *
     *	@param 	_index the index of the display you want to replace or add to
     *          -1 : append display from back
     */
    void addDisplay(DisplayData *displayData, int index);

    void changeDisplayByIndex(int index, bool force);

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

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

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

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

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

    void update(float delta);

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

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

    Array *getChildren();
    Tween *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 AffineTransform nodeToArmatureTransform();

public:
    /*
     *  The origin state of the Bone. Display's state is effected by _boneData, _node, _tweenData
     *  when call setData function, it will copy from the BoneData.
     */
    CC_PROPERTY(BoneData *, _boneData, BoneData);

    //! A weak reference to the Armature
    CC_PROPERTY(Armature *, _armature, Armature);

    //! A weak reference to the child Armature
    CC_PROPERTY(Armature *, _childArmature, ChildArmature);

    CC_SYNTHESIZE(DisplayManager *, _displayManager, DisplayManager)

    /*
     *	When Armature play a animation, if there is not a MovementBoneData of this bone in this MovementData, this bone will hide.
     *	Set IgnoreMovementBoneData to true, then this bone will also show.
     */
    CC_SYNTHESIZE_PASS_BY_REF(bool, _ignoreMovementBoneData, IgnoreMovementBoneData)

protected:
    Tween *_tween;				//! Calculate tween effect

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

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

    //! Lazy allocs
    void childrenAlloc(void);
    Array *_children;

    Bone *_parent;				//! A weak reference to it's parent
    bool _transformDirty;			//! Whether or not transform dirty

    //! self Transform, use this to change display's state
    AffineTransform _worldTransform;
};

}}} // namespace cocos2d { namespace extension { namespace armature {

#endif /*__CCBONE_H__*/