axmol/cocos/editor-support/cocostudio/ActionTimeline/CCActionTimeline.h

/****************************************************************************
Copyright (c) 2013 cocos2d-x.org
Copyright (c) 2019-2020 simdsoft, @HALX99

http://www.cocos2d-x.org

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#ifndef __CCTIMELINE_ACTION_H__
#define __CCTIMELINE_ACTION_H__

#include "editor-support/cocostudio/ActionTimeline/CCTimeLine.h"
#include "editor-support/cocostudio/ActionTimeline/CCActionTimelineData.h"
#include "base/CCProtocols.h"
#include "editor-support/cocostudio/CocosStudioExport.h"
#include "2d/CCAction.h"

NS_TIMELINE_BEGIN

typedef struct AnimationInfo
{
    AnimationInfo()
        :startIndex(0)
        ,endIndex(0)
    {
    }

    AnimationInfo(const std::string& otherName, int otherStartIndex, int otherEndIndex)
    :name(otherName)
    ,startIndex(otherStartIndex)
    ,endIndex(otherEndIndex)
    {
    }

    std::string name;
    int startIndex;
    int endIndex;

    //need set call back before clip added to ActionTimeline
    // or see @ActionTimeline::setAnimationEndCallBack
    std::function<void()> clipEndCallBack;
} AnimationClip;


class CC_STUDIOP_DLL ActionTimeline : public cocos2d::Action, public cocos2d::PlayableProtocol
{
public:
    friend class Frame;

    static ActionTimeline* create();

    ActionTimeline();
    virtual ~ActionTimeline();

    virtual void play(std::string animationName, bool loop);

    virtual bool init();

    /** Goto the specified frame index, and start playing from this index.
     * @param startIndex The animation will play from this index.
     */
    virtual void gotoFrameAndPlay(int startIndex);

    /** Goto the specified frame index, and start playing from this index.
     * @param startIndex The animation will play from this index.
     * @param loop Whether or not the animation need loop. 
     */
    virtual void gotoFrameAndPlay(int startIndex, bool loop);

    /** Goto the specified frame index, and start playing from start index, end at end index.
     * @param startIndex The animation will play from this index.
     * @param endIndex The animation will end at this index.
     * @param loop Whether or not the animation need loop. 
     */
    virtual void gotoFrameAndPlay(int startIndex, int endIndex, bool loop);

    /** Goto the specified frame index, and start playing from start index, end at end index.
     * @param startIndex The animation will play from this index.
     * @param endIndex The animation will end at this index.
     * @param currentFrameIndex set current frame index. 
     * @param loop Whether or not the animation need loop. 
     */
    virtual void gotoFrameAndPlay(int startIndex, int endIndex, int currentFrameIndex, bool loop);

    /** Goto the specified frame index, and pause at this index.
     * @param startIndex The animation will pause at this index.
     */
    virtual void gotoFrameAndPause(int startIndex);

    /** Pause the animation. */
    virtual void pause();
    /** Resume the animation. */
    virtual void resume();

    /** Whether or not Action is playing. */
    virtual bool isPlaying() const;

    /** Set the animation speed, this will speed up or slow down the speed. */
    virtual void  setTimeSpeed(float speed) { _timeSpeed = speed; }
    /** Get current animation speed. */
    virtual float getTimeSpeed() const { return _timeSpeed; }

    /** duration of the whole action*/
    virtual void setDuration(int duration) { _duration = duration; }
    virtual int  getDuration() const { return _duration; }

    /** Start frame index of this action*/
    virtual int getStartFrame() const { return _startFrame; }

    /** End frame of this action.
      * When action play to this frame, if action is not loop, then it will stop, 
      * or it will play from start frame again. */
    virtual int  getEndFrame() const { return _endFrame; }

    /** Set current frame index, this will cause action plays to this frame. */
    virtual void setCurrentFrame(int frameIndex);
    /** Get current frame. */
    virtual int  getCurrentFrame() const { return _currentFrame; }

    /** add Timeline to ActionTimeline */
    virtual void addTimeline(Timeline* timeline);
    virtual void removeTimeline(Timeline* timeline);

    virtual const cocos2d::Vector<Timeline*>& getTimelines() const { return _timelineList; }
    
    /** AnimationInfo*/
    virtual void addAnimationInfo(const AnimationInfo& animationInfo);
    virtual void removeAnimationInfo(std::string animationName);
    virtual bool IsAnimationInfoExists(const std::string& animationName);
    virtual const AnimationInfo& getAnimationInfo(const std::string& animationName);
    /**add a frame end call back to animation's end frame
     * @param animationName  @addFrameEndCallFunc, make the animationName as funcKey
     * @param func the callback function
     */
    virtual void setAnimationEndCallFunc(const std::string animationName, std::function<void()> func);

    /** Set ActionTimeline's frame event callback function */
    void setFrameEventCallFunc(std::function<void(Frame *)> listener);
    void clearFrameEventCallFunc();

    /** Last frame callback will call when arriving last frame */
    void setLastFrameCallFunc(std::function<void()> listener);
    void clearLastFrameCallFunc();

    /** add a callback function after played frameIndex
     * @param frameIndex the frame index call back after
     * @param funcKey for identity the callback function
     * @param func the callback function
     */
    virtual void addFrameEndCallFunc(int frameIndex, const std::string& funcKey, std::function<void()> func);
    // remove callback function after frameIndex which identified with funcKey
    virtual void removeFrameEndCallFunc(int frameIndex, const std::string& funcKey);
    // clear callback functions after frameIndex
    virtual void removeFrameEndCallFuncs(int frameIndex);
    // clear all the callback functions after frameIndexs in this actiontimeline
    virtual void clearFrameEndCallFuncs();

    /** Inherit from Action. */

    /** Returns a clone of ActionTimeline */
    virtual ActionTimeline* clone() const override; 

    /** Returns a reverse of ActionTimeline. 
     *  Not implement yet.
     */
    virtual ActionTimeline* reverse() const override { return nullptr; }

    virtual void step(float delta) override; 
    virtual void startWithTarget(cocos2d::Node *target) override;  
    virtual bool isDone() const override { return false; }
    
    /// @{
    /// @name implement Playable Protocol
    virtual void start() override;
    virtual void stop() override;
    /// @} end of PlayableProtocol

protected:
    virtual void gotoFrame(int frameIndex);
    virtual void stepToFrame(int frameIndex);

    // emit call back after frameIndex played
    virtual void emitFrameEndCallFuncs(int frameIndex);

    /** emit frame event, call it when enter a frame*/
    virtual void emitFrameEvent(Frame* frame);

    std::map<int, cocos2d::Vector<Timeline*>> _timelineMap;
    cocos2d::Vector<Timeline*> _timelineList;

    int     _duration;
    double  _time;
    float   _timeSpeed;
    float   _frameInternal;
    bool    _playing;
    int     _currentFrame;
    int     _startFrame;
    int     _endFrame;
    bool    _loop;

    std::function<void(Frame*)> _frameEventListener;
    std::function<void()> _lastFrameListener;
    std::map<int, std::map<std::string, std::function<void()> > > _frameEndCallFuncs;
    std::map<std::string, AnimationInfo> _animationInfos;
};

NS_TIMELINE_END


#endif /*__CCTIMELINE_ACTION_H__*/