axmol/cocos/editor-support/cocostudio/CCArmatureAnimation.h

/****************************************************************************
Copyright (c) 2013 cocos2d-x.org

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#ifndef __CCANIMATION_H__
#define __CCANIMATION_H__

#include "cocostudio/CCProcessBase.h"
#include <queue>

namespace cocostudio {


enum MovementEventType
{
    START,
    COMPLETE,
    LOOP_COMPLETE
};


class Armature;
class Bone;

typedef void (cocos2d::Object::*SEL_MovementEventCallFunc)(Armature *, MovementEventType, const char *);
typedef void (cocos2d::Object::*SEL_FrameEventCallFunc)(Bone *, const char *, int, int);

#define movementEvent_selector(_SELECTOR) (cocostudio::SEL_MovementEventCallFunc)(&_SELECTOR)
#define frameEvent_selector(_SELECTOR) (cocostudio::SEL_FrameEventCallFunc)(&_SELECTOR)

struct FrameEvent
{
    Bone *bone;
    const char *frameEventName;
    int originFrameIndex;
    int currentFrameIndex;
};

class  ArmatureAnimation : public ProcessBase
{
public:
    /**
     * Create with a Armature
     * @param armature The Armature ArmatureAnimation will bind to
     */
    static ArmatureAnimation *create(Armature *armature);
public:
	/**
     * @js ctor
     */
    ArmatureAnimation();
    /**
     * @js NA
     * @lua NA
     */
    virtual ~ArmatureAnimation(void);

    /**
     * Init with a Armature
     * @param armature The Armature ArmatureAnimation will bind to
     */
    virtual bool init(Armature *armature);

    /**
     * Scale animation play speed.
     * This method is deprecated, please use setSpeedScale.
     * @param animationScale Scale value
     */
    CC_DEPRECATED_ATTRIBUTE virtual void setAnimationScale(float animationScale);
    CC_DEPRECATED_ATTRIBUTE virtual float getAnimationScale() const;

    /**
     * Scale animation play speed.
     * @param animationScale Scale value
     */
    virtual void setSpeedScale(float speedScale);
    virtual float getSpeedScale() const;

    //! The animation update speed
    virtual void setAnimationInternal(float animationInternal);

    /**
     * Play animation by animation name.
     *
     * @param  animationName  The animation name you want to play
     * @param  durationTo The frames between two animation changing-over.
     *         It's meaning is changing to this animation need how many frames
     *
     *         -1 : use the value from MovementData get from flash design panel
     * @param  durationTween  The frame count you want to play in the game.
     *         if  _durationTween is 80, then the animation will played 80 frames in a loop
     *
     *         -1 : use the value from MovementData get from flash design panel
     *
     * @param  loop   Whether the animation is loop
     *
     *         loop < 0 : use the value from MovementData get from flash design panel
     *         loop = 0 : this animation is not loop
     *         loop > 0 : this animation is loop
     *
     * @param  tweenEasing Tween easing is used for calculate easing effect
     *
     *         TWEEN_EASING_MAX : use the value from MovementData get from flash design panel
     *         -1 : fade out
     *         0  : line
     *         1  : fade in
     *         2  : fade in and out
     *
     */
    void play(const char *animationName, int durationTo = -1, int durationTween = -1,  int loop = -1, int tweenEasing = TWEEN_EASING_MAX);

    /**
     * Play animation by index, the other param is the same to play.
     * @param  animationIndex  the animation index you want to play
     */
    void playByIndex(int animationIndex,  int durationTo = -1, int durationTween = -1,  int loop = -1, int tweenEasing = TWEEN_EASING_MAX);

    /**
     * Go to specified frame and play current movement.
     * You need first switch to the movement you want to play, then call this function.
     * 
     * example : playByIndex(0);
     *           gotoAndPlay(0);
     *           playByIndex(1);
     *           gotoAndPlay(0);
     *           gotoAndPlay(15);
     */
    virtual void gotoAndPlay(int frameIndex);

    /**
     * Go to specified frame and pause current movement.
     */
    virtual void gotoAndPause(int frameIndex);

    /**
     * Pause the Process
     */
    virtual void pause();
    /**
     * Resume the Process
     */
    virtual void resume();
    /**
     * Stop the Process
     */
    virtual void stop();


    /**
     * Get movement count
     */
    int getMovementCount();

    void update(float dt);

    /**
     * Get current movementID
     * @return The name of current movement
     */
    std::string getCurrentMovementID();

    /**
     * Set armature's movement event callback function
     * To disconnect this event, just setMovementEventCallFunc(NULL, NULL);
     */
    void setMovementEventCallFunc(cocos2d::Object *target, SEL_MovementEventCallFunc callFunc);

    /**
     * Set armature's frame event callback function
     * To disconnect this event, just setFrameEventCallFunc(NULL, NULL);
     */
    void setFrameEventCallFunc(cocos2d::Object *target, SEL_FrameEventCallFunc callFunc);

protected:

    /**
     * Update(float dt) will call this handler, you can handle your logic here
     */
    void updateHandler();

    /**
     * Update current key frame, and process auto stop, pause
     */
    void updateFrameData(float currentPercent);

    /**
     * Emit a frame event
     */
    void frameEvent(Bone *bone, const char *frameEventName, int originFrameIndex, int currentFrameIndex);

    inline bool isIgnoreFrameEvent() { return _ignoreFrameEvent; }

    friend class Tween;
protected:
    //! AnimationData save all MovementDatas this animation used.
    CC_SYNTHESIZE_RETAIN(AnimationData *, _animationData, AnimationData);

    //! Scale the animation speed
    float _speedScale;

    MovementData *_movementData;				//! MovementData save all MovementFrameDatas this animation used.

    Armature *_armature;						//! A weak reference of armature

    std::string _movementID;				//! Current movment's name

    int _toIndex;								//! The frame index in MovementData->m_pMovFrameDataArr, it's different from m_iFrameIndex.

    cocos2d::Array *_tweenList;

    bool _ignoreFrameEvent;
    
    std::queue<FrameEvent*> _frameEventQueue;
protected:
    /**
     * MovementEvent CallFunc.
     * @param Armature* a Armature
     * @param MovementEventType, Event Type, like START, COMPLETE.
     * @param const char*, Movement ID, also called Movement Name
     */
    SEL_MovementEventCallFunc _movementEventCallFunc;

    /**
     * FrameEvent CallFunc.
     * @param Bone*, a Bone
     * @param const char*, the name of this frame event
     * @param int, origin frame index
     * @param int, current frame index, animation may be delayed
     */
    SEL_FrameEventCallFunc _frameEventCallFunc;


    cocos2d::Object *_movementEventTarget;
    cocos2d::Object *_frameEventTarget;
};

}

#endif /*__CCANIMATION_H__*/