axmol/extensions/cocostudio/CCBone.h

/****************************************************************************
Copyright (c) 2013-2017 Chukong Technologies Inc.

https://axis-project.github.io/

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THE SOFTWARE.
****************************************************************************/

#ifndef __CCBONE_H__
#define __CCBONE_H__

#include "CCArmatureDefine.h"
#include "CCDatas.h"
#include "CCTween.h"
#include "CCDecorativeDisplay.h"
#include "CCDisplayManager.h"
#include "CocosStudioExport.h"
#include "2d/CCNode.h"
#include "math/CCMath.h"

namespace cocostudio
{

class Armature;

class CCS_DLL Bone : public axis::Node
{
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(std::string_view name);

public:
    /**
     *  @js ctor
     */
    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(std::string_view 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(axis::Node* display, int index);

    void removeDisplay(int index);

    AX_DEPRECATED_ATTRIBUTE void changeDisplayByIndex(int index, bool force);
    AX_DEPRECATED_ATTRIBUTE void changeDisplayByName(std::string_view name, bool force);

    void changeDisplayWithIndex(int index, bool force);
    void changeDisplayWithName(std::string_view name, 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();

    using Node::removeFromParent;
    /**
     * 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 axis::Color3B& parentColor) override;
    void updateDisplayedOpacity(uint8_t parentOpacity) override;

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

    //! Update zorder
    void updateZOrder();

    virtual void setLocalZOrder(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 axis::Mat4 getNodeToArmatureTransform() const;
    virtual axis::Mat4 getNodeToWorldTransform() const override;

    axis::Node* getDisplayRenderNode();
    DisplayType getDisplayRenderNodeType();

    /*
     * Get the ColliderBody list in this bone. The object in the Array is ColliderBody.
     */
    virtual ColliderDetector* getColliderDetector() const;

#if ENABLE_PHYSICS_BOX2D_DETECT || ENABLE_PHYSICS_CHIPMUNK_DETECT
    virtual void setColliderFilter(ColliderFilter* filter);
    virtual ColliderFilter* getColliderFilter();
#endif

    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; }
    /**
     *  @lua NA
     */
    virtual void setIgnoreMovementBoneData(bool ignore) { _ignoreMovementBoneData = ignore; }
    virtual bool isIgnoreMovementBoneData() const { return _ignoreMovementBoneData; }

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

    /*
     * Set blend function
     */
    virtual void setBlendFunc(const axis::BlendFunc& blendFunc);
    virtual axis::BlendFunc getBlendFunc(void) { return _blendFunc; }

    /*
     * Set if blend function is dirty
     */
    virtual void setBlendDirty(bool dirty) { _blendDirty = dirty; }
    virtual bool isBlendDirty(void) { return _blendDirty; }

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

    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;

    axis::BlendFunc _blendFunc;
    bool _blendDirty;

    Tween* _tween;  //! Calculate tween effect

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

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

    //! self Transform, use this to change display's state
    axis::Mat4 _worldTransform;

    BaseData* _worldInfo;

    //! Armature's parent bone
    Bone* _armatureParentBone;

    //! Data version
    float _dataVersion;
};

}  // namespace cocostudio

#endif /*__CCBONE_H__*/