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

#ifndef __CCBONE_H__
#define __CCBONE_H__

#include "cocostudio/CCArmatureDefine.h"
#include "cocostudio/CCDatas.h"
#include "cocostudio/CCTween.h"
#include "cocostudio/CCDecorativeDisplay.h"
#include "cocostudio/CCDisplayManager.h"

namespace cocostudio {


class Armature;

class Bone : public cocos2d::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();
    /**
     * @js NA
     * @lua NA
     */
    virtual ~Bone(void);

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

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

    /**
     * Add display and use displayData to 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 addDisplay(cocos2d::Node *display, int index);

    void removeDisplay(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.
     *          nullptr : remove this bone from armature
     */
    void setParentBone(Bone *parent);

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

    /**
     * Remove itself from its parent.
     * @param recursion    whether or not to remove childBone's 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) override;

    void updateDisplayedColor(const cocos2d::Color3B &parentColor) override;
    void updateDisplayedOpacity(GLubyte parentOpacity) override;

    virtual void setColor(const cocos2d::Color3B& color) override;
    virtual void setOpacity(GLubyte opacity) override;

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

    //! Update zorder
    void updateZOrder();

    virtual void setZOrder(int zOrder) override;

    Tween *getTween();

    /*
     * Whether or not the bone's transform property changed. if true, the bone will update the transform.
     */
    virtual void setTransformDirty(bool dirty) { _boneTransformDirty = dirty; }
    virtual bool isTransformDirty() { return _boneTransformDirty; }

    virtual cocos2d::AffineTransform getNodeToArmatureTransform() const;
    virtual cocos2d::AffineTransform getNodeToWorldTransform() const override;

    Node *getDisplayRenderNode();
    DisplayType getDisplayRenderNodeType();

    /*
     * Get the ColliderBody list in this bone. The object in the Array is ColliderBody.
     */
    virtual cocos2d::Array *getColliderBodyList();

    virtual void setColliderFilter(ColliderFilter *filter);
    virtual ColliderFilter *getColliderFilter();

    virtual void setBoneData(BoneData *boneData);
    virtual BoneData *getBoneData() const;

    virtual void setArmature(Armature *armature);
    virtual Armature *getArmature() const;

    virtual void setChildArmature(Armature *childArmature);
    virtual Armature *getChildArmature() const;

    virtual DisplayManager *getDisplayManager() const { return _displayManager; }

    virtual void setIgnoreMovementBoneData(bool ignore) { _ignoreMovementBoneData = ignore; }
    virtual bool isIgnoreMovementBoneData() const { return _ignoreMovementBoneData; }

    /*
     * This function is deprecated, please use isIgnoreMovementBoneData()
     */
    CC_DEPRECATED_ATTRIBUTE virtual bool getIgnoreMovementBoneData() const { return isIgnoreMovementBoneData(); }

    virtual void setBlendType(BlendType type) { _blendType = type; }
    virtual BlendType getBlendType() const { return _blendType; }

    virtual FrameData *getTweenData() const { return _tweenData; }

    virtual void setName(const std::string &name) { _name = name; }
    virtual const std::string getName() const { return _name; }

    virtual BaseData *getWorldInfo() const { return _worldInfo; }
protected:
    void applyParentTransform(Bone *parent);

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

    //! A weak reference to the Armature
    Armature *_armature;

    //! A weak reference to the child Armature
    Armature *_childArmature;

    DisplayManager *_displayManager;

    /*
     *	When Armature play an animation, if there is not a MovementBoneData of this bone in this MovementData, this bone will be hidden.
     *	Set IgnoreMovementBoneData to true, then this bone will also be shown.
     */
    bool _ignoreMovementBoneData;

    BlendType _blendType;

    Tween *_tween;				//! Calculate tween effect

    //! Used for making tween effect in every frame
    FrameData *_tweenData;

    std::string _name;

    Bone *_parentBone;	               //! A weak reference to its parent
    bool _boneTransformDirty;          //! Whether or not transform dirty

    //! self Transform, use this to change display's state
    cocos2d::AffineTransform _worldTransform;

    BaseData *_worldInfo;
    
    //! Armature's parent bone
    Bone *_armatureParentBone;
    
    //! Data version
    float _dataVersion;
};

}

#endif /*__CCBONE_H__*/