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

http://www.cocos2d-x.org

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
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furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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****************************************************************************/


#ifndef __CCANIMATION_H__
#define __CCANIMATION_H__

#include "CCProcessBase.h"
#include "../external_tool/sigslot.h"

namespace cocos2d { namespace extension { namespace armature {


enum MovementEventType
{
	START,
	COMPLETE,
	LOOP_COMPLETE
};


class Armature;
class Bone;

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.
     * @param animationScale Scale value
     */
    virtual void setAnimationScale(float animationScale);

    /**
     * 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);

    /**
     * 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);
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);

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


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

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

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

    int _prevFrameIndex;						//! Prev key frame index
    int _toIndex;								//! The frame index in MovementData->_movFrameDataArr, it's different from _frameIndex.

    Array *_tweenList;
public:
    /**
     * MovementEvent signal. This will emit a signal when trigger a event.
     * The 1st param is the Armature. The 2nd param is Event Type, like START, COMPLETE. The 3rd param is Movement ID, also called Movement Name.
     */
    sigslot::signal3<Armature *, MovementEventType, const char *> MovementEventSignal;

    sigslot::signal2<Bone *, const char *> FrameEventSignal;
};

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

#endif /*__CCANIMATION_H__*/