India/cocos2d-x/cocos/2d/CCTransitionPageTurn.cpp

/****************************************************************************
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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#include "2d/CCTransitionPageTurn.h"
#include "base/CCDirector.h"
#include "2d/CCActionPageTurn3D.h"
#include "2d/CCNodeGrid.h"
#include "renderer/CCRenderer.h"

NS_CC_BEGIN

TransitionPageTurn::TransitionPageTurn()
{
    _inSceneProxy = NodeGrid::create();
    _outSceneProxy = NodeGrid::create();
    
    _inSceneProxy->retain();
    _outSceneProxy->retain();
}

TransitionPageTurn::~TransitionPageTurn()
{
    CC_SAFE_RELEASE(_inSceneProxy);
    CC_SAFE_RELEASE(_outSceneProxy);
}

/** creates a base transition with duration and incoming scene */
TransitionPageTurn * TransitionPageTurn::create(float t, Scene *scene, bool backwards)
{
    TransitionPageTurn * transition = new (std::nothrow) TransitionPageTurn();
    transition->initWithDuration(t,scene,backwards);
    transition->autorelease();
    return transition;
}

/** initializes a transition with duration and incoming scene */
bool TransitionPageTurn::initWithDuration(float t, Scene *scene, bool backwards)
{
    // FIXME:: needed before [super init]
    _back = backwards;

    if (TransitionScene::initWithDuration(t, scene))
    {
        // do something
    }
    return true;
}

void TransitionPageTurn::sceneOrder()
{
    _isInSceneOnTop = _back;
}

void TransitionPageTurn::draw(Renderer *renderer, const Mat4 &transform, uint32_t flags)
{
    Scene::draw(renderer, transform, flags);
    
    if( _isInSceneOnTop ) {
        _outSceneProxy->visit(renderer, transform, flags);
        _inSceneProxy->visit(renderer, transform, flags);
    } else {
        _inSceneProxy->visit(renderer, transform, flags);
        _outSceneProxy->visit(renderer, transform, flags);
        
    }
}

void TransitionPageTurn::onEnter()
{
    TransitionScene::onEnter();

    _inSceneProxy->setTarget(_inScene);
    _outSceneProxy->setTarget(_outScene);

    _inSceneProxy->onEnter();
    _outSceneProxy->onEnter();
    
    Size s = Director::getInstance()->getWinSize();
    int x,y;
    if (s.width > s.height)
    {
        x=16;
        y=12;
    }
    else
    {
        x=12;
        y=16;
    }

    ActionInterval *action  = this->actionWithSize(Size(x,y));

    if (! _back )
    {
        _outSceneProxy->runAction
        (
            Sequence::create
            (
                action,
                CallFunc::create(CC_CALLBACK_0(TransitionScene::finish,this)),
                StopGrid::create(),
                nullptr
            )
        );
    }
    else
    {
        // to prevent initial flicker
        _inSceneProxy->setVisible(false);
        _inSceneProxy->runAction
        (
            Sequence::create
            (
                Show::create(),
                action,
                CallFunc::create(CC_CALLBACK_0(TransitionScene::finish,this)),
                StopGrid::create(),
                nullptr
            )
        );
    }
}
void TransitionPageTurn::onExit()
{
    _outSceneProxy->setTarget(nullptr);
    _outSceneProxy->setTarget(nullptr);
    _outSceneProxy->onExit();
    _inSceneProxy->onExit();
    
    TransitionScene::onExit();
}

ActionInterval* TransitionPageTurn:: actionWithSize(const Size& vector)
{
    if (_back)
    {
        // Get hold of the PageTurn3DAction
        return ReverseTime::create
        (
            PageTurn3D::create(_duration, vector)
        );
    }
    else
    {
        // Get hold of the PageTurn3DAction
        return PageTurn3D::create(_duration, vector);
    }
}

NS_CC_END