LayerMultiplex是层的控制器类

使用例如以下

LayerMultiplexTest.h

//

//  LayerMultiplexTest.h

//  cpp4

//

//  Created by 杜甲 on 10/13/14.

//

//

#ifndef __cpp4__LayerMultiplexTest__

#define __cpp4__LayerMultiplexTest__

#include "cocos2d.h"

USING_NS_CC;

class LayerMultiplexTest : public Layer

{

public:

    virtual bool init();

    // there's no 'id' in cpp, so we recommend returning the class instance pointer

    static cocos2d::Scene* scene();

    // implement the "static node()" method manually

    CREATE_FUNC(LayerMultiplexTest);

};

class TestMainLayer : public LayerColor

{

public:

    virtual bool init();

    CREATE_FUNC(TestMainLayer);

private:

    void menuCallback1(cocos2d::Ref *sender);

    void menuCallback2(cocos2d::Ref *sender);

};

class TestLayer1 : public LayerColor

{

public:

    virtual bool init();

    CREATE_FUNC(TestLayer1);

    void menuCallback1(cocos2d::Ref *sender);

};

class TestLayer2 : public LayerColor

{

public:

    virtual bool init();

    CREATE_FUNC(TestLayer2);

    void menuCallback1(cocos2d::Ref *sender);

};

#endif /* defined(__cpp4__LayerMultiplexTest__) */

LayerMultiplexTest.cpp

//

//  LayerMultiplexTest.cpp

//  cpp4

//

//  Created by 杜甲 on 10/13/14.

//

//

#include "LayerMultiplexTest.h"

Scene* LayerMultiplexTest::scene()

{

    // 'scene' is an autorelease object

    auto scene = Scene::create();

    // 'layer' is an autorelease object

    LayerMultiplexTest *layer = LayerMultiplexTest::create();

    // add layer as a child to scene

    scene->addChild(layer);

    // return the scene

    return scene;

}

bool LayerMultiplexTest::init()

{

    bool bRet = false;

    do {

        CC_BREAK_IF(!Layer::init());

        auto mainLayer = TestMainLayer::create();

        auto layer1 = TestLayer1::create();

        auto layer2 = TestLayer2::create();

        //将层放入LayerMultiplex中

        auto layerMutiplex = LayerMultiplex::create(mainLayer,layer1,layer2,nullptr);

        addChild(layerMutiplex,0);

        bRet = true;

    } while (0);

    return bRet;

}

bool TestMainLayer::init()

{

    bool bRet = false;

    do {

        CC_BREAK_IF(!LayerColor::init());

        auto winSize = Director::getInstance()->getWinSize();

        auto label1 = Label::createWithBMFont("bitmapFontTest3.fnt", "TestLayer 1");

        auto item1 = MenuItemLabel::create(label1, CC_CALLBACK_1(TestMainLayer::menuCallback1, this));

        auto label2 = Label::createWithBMFont("bitmapFontTest3.fnt", "TestLayer 2");

        auto item2 = MenuItemLabel::create(label2, CC_CALLBACK_1(TestMainLayer::menuCallback2, this));

        auto menu = Menu::create(item1,item2, NULL);

        menu->alignItemsVertically();

        menu->setPosition(winSize / 2);

        addChild(menu);

        bRet = true;

    } while (0);

    return bRet;

}

void TestMainLayer::menuCallback1(cocos2d::Ref *sender)

{

    static_cast<LayerMultiplex *>(_parent)->switchTo(1);

}

void TestMainLayer::menuCallback2(cocos2d::Ref *sender)

{

    static_cast<LayerMultiplex *>(_parent)->switchTo(2);

}

bool TestLayer1::init()

{

    bool bRet = false;

    do {

        CC_BREAK_IF(!LayerColor::initWithColor(Color4B(100, 200, 200, 100)));

        auto winSize = Director::getInstance()->getWinSize();

        auto label1 = Label::createWithBMFont("bitmapFontTest3.fnt", "MainLayer");

        auto item1 = MenuItemLabel::create(label1, CC_CALLBACK_1(TestLayer1::menuCallback1, this));

        auto menu = Menu::create(item1, NULL);

        menu->alignItemsVertically();

        menu->setPosition(winSize / 2);

        addChild(menu);

        bRet = true;

    } while (0);

    return bRet;

}

void TestLayer1::menuCallback1(cocos2d::Ref *sender)

{

    //返回  方法

    static_cast<LayerMultiplex *>(_parent)->switchTo(0);

}

bool TestLayer2::init()

{

    bool bRet = false;

    do {

        CC_BREAK_IF(!LayerColor::initWithColor(Color4B(100, 100, 200, 100)));

      auto winSize = Director::getInstance()->getWinSize();

        auto label1 = Label::createWithBMFont("bitmapFontTest3.fnt", "MainLayer");

        auto item1 = MenuItemLabel::create(label1, CC_CALLBACK_1(TestLayer2::menuCallback1, this));

        auto menu = Menu::create(item1, NULL);

        menu->alignItemsVertically();

        menu->setPosition(winSize / 2);

        addChild(menu);

        bRet = true;

    } while (0);

    return bRet;

}

void TestLayer2::menuCallback1(cocos2d::Ref *sender)

{

    static_cast<LayerMultiplex *>(_parent)->switchTo(0);

}

代码下载：http://download.csdn.net/detail/qqmcy/8031733