/****************************************************************************
Copyright (c) 2009      Sindesso Pty Ltd http://www.sindesso.com/
Copyright (c) 2010-2012 cocos2d-x.org
Copyright (c) 2013-2016 Chukong Technologies Inc.
Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.

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#ifndef __CCPAGE_TURN_TRANSITION_H__
#define __CCPAGE_TURN_TRANSITION_H__

#include "2d/CCTransition.h"
#include "renderer/CCCustomCommand.h"

NS_CC_BEGIN

class NodeGrid;

/**
 * @addtogroup _2d
 * @{
 */

/** @class TransitionPageTurn
* @brief A transition which peels back the bottom right hand corner of a scene
to transition to the scene beneath it simulating a page turn.

This uses a 3DAction so it's strongly recommended that depth buffering
is turned on in Director using:

 Director::getInstance()->setDepthBufferFormat(kDepthBuffer16);

 @since v0.8.2
*/
class CC_DLL TransitionPageTurn : public TransitionScene
{
public:
    /**
     * Creates a base transition with duration and incoming scene.
     * If back is true then the effect is reversed to appear as if the incoming
     * scene is being turned from left over the outgoing scene.
     *
     * @param t Duration time, in seconds.
     * @param scene A given scene.
     * @param backwards If back is true then the effect is reversed to appear as if the incoming scene is being turned from left over the outgoing scene.
     * @return An autoreleased TransitionPageTurn object.
     */
    static TransitionPageTurn* create(float t,Scene* scene,bool backwards);
    
    //
    // Overrides
    // @js NA
    //
    virtual void draw(Renderer *renderer, const Mat4 &transform, uint32_t flags) override;

    /**
     * Creates a base transition with duration and incoming scene.
     * If back is true then the effect is reversed to appear as if the incoming
     * scene is being turned from left over the outgoing scene.
     *
     * @param t Duration time, in seconds.
     * @param scene A given scene.
     * @param backwards If back is true then the effect is reversed to appear as if the incoming scene is being turned from left over the outgoing scene.
     * @return True if initialize success.
     */
    bool initWithDuration(float t,Scene* scene,bool backwards);

    /** Returns the action that will be performed with size.
     *
     * @param vector A given size.
     * @return The action that will be performed.
     */
    ActionInterval* actionWithSize(const Size& vector);

    //
    // Overrides
    //
    virtual void onEnter() override;
    virtual void onExit() override;

CC_CONSTRUCTOR_ACCESS:
    /**
     * @js ctor
     */
    TransitionPageTurn();
    /**
     * @js NA
     * @lua NA
     */
    virtual ~TransitionPageTurn();

protected:
    virtual void sceneOrder() override;

protected:
    NodeGrid* _inSceneProxy;
    NodeGrid* _outSceneProxy;
    bool    _back;
};

// end of _2d group
/// @}

NS_CC_END

#endif // __CCPAGE_TURN_TRANSITION_H__