axmol/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 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();

    Vec2 s = _director->getWinSize();
    int x, y;
    if (s.width > s.height)
    {
        x = 16;
        y = 12;
    }
    else
    {
        x = 12;
        y = 16;
    }

    ActionInterval* action = this->actionWithSize(Vec2(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 Vec2& 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