Cocos2d-x3.3RC0 Cpp-test分析之ActionManagerTest

分类：Cocos2d-x作者：佚名

1、头文件

//.h
#include "cocos2d.h"
#include "ui/CocosGUI.h"
#include "VisibleRect.h"
USING_NS_CC;
using namespace ui;

class ActionManagerDemo : public Scene
{
public:
    CREATE_FUNC(ActionManagerDemo);
    virtual bool init();
};

class BaseTest : public Layer
{
public:
    CREATE_FUNC(BaseTest);
    virtual bool init();
    virtual std::string title() const;//主标题
    virtual std::string subtitle() const;//副标题
    virtual void onExit() override;
    
    virtual void restartCallback(Ref* sender);//重新执行当前test
    virtual void nextCallback(Ref* sender);//下一个test
    virtual void backCallback(Ref* sender);//上一个test
    
    void menuCloseCallback(cocos2d::Ref* pSender);//关闭菜单回调函数
    
protected:
    TextureAtlas* _atlas;
    std::string   _title;
};

class CrashTest : public BaseTest
{
public:
    CREATE_FUNC(CrashTest);
    CrashTest();
    virtual bool init();
    virtual std::string subtitle() const override;
    virtual void onEnter() override;
    void removeThis();
};
//
class LogicTest : public BaseTest
{
public:
    CREATE_FUNC(LogicTest);
    virtual std::string subtitle() const override;
    virtual void onEnter() override;
    void bugMe(Node* node);
};
class PauseTest : public BaseTest
{
public:
    CREATE_FUNC(PauseTest);
    virtual std::string subtitle() const override;
    virtual void onEnter() override;
    void unpause(float dt);
};
class StopActionTest : public BaseTest
{
public:
    CREATE_FUNC(StopActionTest);
    virtual std::string subtitle() const override;
    virtual void onEnter() override;
    void stopAction();
};

class StopAllActionsTest : public BaseTest
{
public:
    CREATE_FUNC(StopAllActionsTest);
    virtual std::string subtitle() const override;
    virtual void onEnter() override;
    void stopAction(float time);
};
class ResumeTest : public BaseTest
{
public:
    CREATE_FUNC(ResumeTest);
    virtual std::string subtitle() const override;
    virtual void onEnter() override;
    void resumeGrossini(float time);
};

2、cpp文件

#include "ActionManagerDemo.h"
#define CL(__className__) [](){ return __className__::create();}
static int sceneIdx = -1;
enum
{
    kTagNode,kTagGrossini,kTagSequence
};
static std::function<Layer*()> createFunctions[] =
{
    CL(CrashTest),CL(LogicTest),CL(PauseTest),CL(StopActionTest),CL(StopAllActionsTest),CL(ResumeTest)
};

#define MAX_LAYER    (sizeof(createFunctions) / sizeof(createFunctions[0]))

static Layer* nextAction()
{
    sceneIdx++;
    sceneIdx = sceneIdx % MAX_LAYER;
    
    auto layer = (createFunctions[sceneIdx])();
    return layer;
}

static Layer* backAction()
{
    sceneIdx--;
    int total = MAX_LAYER;
    if( sceneIdx < 0 )
        sceneIdx += total;
    
    auto layer = (createFunctions[sceneIdx])();
    return layer;
}

static Layer* restartAction()
{
    auto layer = (createFunctions[sceneIdx])();
    return layer;
}

//基类Layer
bool BaseTest::init()
{
    bool bRet = false;
    do{
        CC_BREAK_IF(!Layer::init());
        
        Size visibleSize = Director::getInstance()->getVisibleSize();
        Vec2 origin = Director::getInstance()->getVisibleOrigin();
        
        /////////////////////////////
        // 2. add a menu item with "X" image,which is clicked to quit the program
        //    you may modify it.
        
        // add a "close" icon to exit the progress. it's an autorelease object
        auto closeItem = MenuItemImage::create(
                                               "CloseNormal.png","CloseSelected.png",CC_CALLBACK_1(BaseTest::menuCloseCallback,this));
        closeItem->setPosition(Vec2(origin.x + visibleSize.width - closeItem->getContentSize().width/2,origin.y + visibleSize.height - closeItem->getContentSize().height/2));
        
        // create menu,it's an autorelease object
        auto menu1 = Menu::create(closeItem,NULL);
        menu1->setPosition(Vec2::ZERO);
        this->addChild(menu1,1);
        
        std::string str = title();
        const char * pTitle = str.c_str();
        TTFConfig ttfConfig("fonts/tahoma.ttf",35);
        auto label = Label::createWithTTF(ttfConfig,pTitle);
        addChild(label,9999);
        label->setPosition( Vec2(VisibleRect::center().x,VisibleRect::top().y - 30) );
        
        std::string strSubtitle = subtitle();
        if( ! strSubtitle.empty() )
        {
            ttfConfig.fontFilePath = "fonts/tahoma.ttf";
            ttfConfig.fontSize = 30;
            auto l = Label::createWithTTF(ttfConfig,strSubtitle.c_str());
            addChild(l,9999);
            l->setPosition( Vec2(VisibleRect::center().x,VisibleRect::top().y - 100) );
        }
        
        auto item1 = MenuItemFont::create("backCallback",CC_CALLBACK_1(BaseTest::backCallback,this) );
        auto item2 = MenuItemFont::create("restartCallback",CC_CALLBACK_1(BaseTest::restartCallback,this) );
        auto item3 = MenuItemFont::create("nextCallback",CC_CALLBACK_1(BaseTest::nextCallback,this) );
        
        auto menu = Menu::create(item1,item2,item3,NULL);
        
        menu->setPosition(Vec2::ZERO);
        item1->setPosition(Vec2(VisibleRect::center().x - item2->getContentSize().width*2,VisibleRect::bottom().y+item2->getContentSize().height/2));
        item2->setPosition(Vec2(VisibleRect::center().x,VisibleRect::bottom().y+item2->getContentSize().height/2));
        item3->setPosition(Vec2(VisibleRect::center().x + item2->getContentSize().width*2,VisibleRect::bottom().y+item2->getContentSize().height/2));
        
        addChild(menu,9999);
        
        bRet = true;
    }while(0);
    return bRet;
}

void BaseTest::menuCloseCallback(Ref* pSender)
{
#if (CC_TARGET_PLATFORM == CC_PLATFORM_WP8) || (CC_TARGET_PLATFORM == CC_PLATFORM_WINRT)
    MessageBox("You pressed the close button. Windows Store Apps do not implement a close button.","Alert");
    return;
#endif
    
    Director::getInstance()->end();
    
#if (CC_TARGET_PLATFORM == CC_PLATFORM_IOS)
    exit(0);
#endif
}

//重新执行当前test
void BaseTest::restartCallback(cocos2d::Ref *sender)
{
    auto s = new (std::nothrow) ActionManagerDemo();
    s->addChild(restartAction());
    Director::getInstance()->replaceScene(s);
    s->release();
}
//下一个test
void BaseTest::nextCallback(cocos2d::Ref *sender)
{
    auto s = new (std::nothrow) ActionManagerDemo();
    s->addChild(nextAction());
    Director::getInstance()->replaceScene(s);
    s->release();
}
//上一个test
void BaseTest::backCallback(cocos2d::Ref *sender)
{
    auto s = new (std::nothrow) ActionManagerDemo();
    s->addChild(backAction());
    Director::getInstance()->replaceScene(s);
    s->release();
}
//onExit函数
void BaseTest::onExit()
{
    Layer::onExit();
}

std::string BaseTest::title() const
{
    return "NewAudioEngineDemo Test";
}

std::string BaseTest::subtitle() const
{
    return "";
}

bool ActionManagerDemo::init()
{
    bool bRet = false;
    do{
        CC_BREAK_IF(!Scene::init());
        
        //初始化sceneIdx
        sceneIdx = -1;
        //执行nextAction，执行第一个test
        auto layer = nextAction();
        //加入NewAudioEngineDemo场景
        addChild(layer);
        //切换场景
        Director::getInstance()->replaceScene(this);
        
        bRet = true;
    }while(0);
    return bRet;
}

CrashTest::CrashTest()
{
    log("--------构造函数--------");
}
void CrashTest::onEnter()
{
    log("-------onEnter函数---------");
    BaseTest::onEnter();
    //创建对象
    auto child = Sprite::create("grossini.png");
    child->setPosition(VisibleRect::center());
    addChild(child,1);
    //精灵执行动作
    child->runAction(RotateBy::create(1.5f,90));
    child->runAction(Sequence::create(DelayTime::create(1.5f),FadeOut::create(1.1f),NULL));
    //当前Layer对象执行动作
    runAction(Sequence::create(DelayTime::create(1.5f),CallFunc::create(CC_CALLBACK_0(CrashTest::removeThis,this)),NULL));
}

bool CrashTest::init()
{
    bool bRet = false;
    do{
        CC_BREAK_IF(!BaseTest::init());
        log("------init函数--------");
        bRet = true;
    }while(0);
    return bRet;
}
void CrashTest::removeThis()
{
    //首先调用父对象，即Scene对象，删除当前Layer对象，然后执行下一test
    _parent->removeChild(this,true);
    nextCallback(this);
}
std::string CrashTest::subtitle() const
{
    return "Crash Test";
}

void LogicTest::onEnter()
{
    BaseTest::onEnter();
    
    auto grossini = Sprite::create("grossini.png");
    addChild(grossini,2);
    grossini->setPosition(VisibleRect::center());
    grossini->runAction(Sequence::create(MoveBy::create(1,Vec2(150,0)),CallFuncN::create(CC_CALLBACK_1(LogicTest::bugMe,NULL));
}

void LogicTest::bugMe(cocos2d::Node *node)
{
    node->stopAllActions();
    node->runAction(ScaleTo::create(2,2));
}
std::string LogicTest::subtitle() const
{
    return "Logic Test";
}

void PauseTest::onEnter()
{
    BaseTest::onEnter();
    auto l = Label::createWithTTF("After 3 seconds grossini should move","fonts/arial.ttf",16.0f);
    addChild(l);
    l->setPosition(VisibleRect::center().x,VisibleRect::top().y-75);
    //创建对象
    auto grossini = Sprite::create("grossini.png");
    addChild(grossini,kTagGrossini);
    grossini->setPosition(VisibleRect::center());
    //创建动作
    auto action = MoveBy::create(1,0));
    auto director = Director::getInstance();
    //参数依次为动作，动作执行者，是否暂停
    director->getActionManager()->addAction(action,grossini,true);
    //3秒后执行unpause函数
    schedule(CC_SCHEDULE_SELECTOR(PauseTest::unpause),3);
}
void PauseTest::unpause(float dt)
{
    //停止帧跟新
    unschedule(CC_SCHEDULE_SELECTOR(PauseTest::unpause));
    auto node = getChildByTag(kTagGrossini);
    auto director = Director::getInstance();
    //因为加入动作Manager时，是设置pause的，所以恢复动作
    director->getActionManager()->resumeTarget(node);
}
std::string PauseTest::subtitle() const
{
    return "Pause Test";
}

void StopActionTest::onEnter()
{
    BaseTest::onEnter();
    auto l = Label::createWithTTF("Should not crash",VisibleRect::top().y - 75);
    //创建动作
    auto pMove = MoveBy::create(2,Vec2(200,0));
    auto pCallback = CallFunc::create(CC_CALLBACK_0(StopActionTest::stopAction,this));
    auto pSequence = Sequence::create(pMove,pCallback,nullptr);
    pSequence->setTag(kTagSequence);
    //创建对象
    auto pChild = Sprite::create("grossini.png");
    pChild->setPosition(VisibleRect::center());
    addChild(pChild,1,kTagGrossini);
    //对象执行动作，在Action动作序列中执行stopAction函数
    pChild->runAction(pSequence);
}

void StopActionTest::stopAction()
{
    //暂停对象的动作
    auto sprite = getChildByTag(kTagGrossini);
    sprite->stopActionByTag(kTagSequence);
}
std::string StopActionTest::subtitle() const
{
    return "Stop Action Test";
}

void StopAllActionsTest::onEnter()
{
    BaseTest::onEnter();
    auto l = Label::createWithTTF("Should stop scale & move after 4 seconds but keep rotate",25.0f);
    addChild(l);
    l->setPosition( Vec2(VisibleRect::center().x,VisibleRect::top().y - 75) );
    //创建动作
    auto pMove1 = MoveBy::create(2,0));
    auto pMove2 = MoveBy::create(2,Vec2(-200,0));
    auto pSequenceMove = Sequence::createWithTwoActions(pMove1,pMove2);
    auto pRepeatMove = RepeatForever::create(pSequenceMove);
    pRepeatMove->setTag(kTagSequence);
    
    auto pScale1 = ScaleBy::create(2,1.5f);
    auto pScale2 = ScaleBy::create(2,1.0f/1.5f);
    auto pSequenceScale = Sequence::createWithTwoActions(pScale1,pScale2);
    auto pRepeatScale = RepeatForever::create(pSequenceScale);
    pRepeatScale->setTag(kTagSequence);
    
    auto pRotate = RotateBy::create(2,360);
    auto pRepeatRotate = RepeatForever::create(pRotate);
    //创建精灵
    auto pChild = Sprite::create("grossini.png");
    pChild->setPosition(VisibleRect::center());
    addChild(pChild,kTagGrossini);
    //执行动作
    pChild->runAction(pRepeatMove);
    pChild->runAction(pRepeatScale);
    pChild->runAction(pRepeatRotate);
    //每4秒更新一帧
    scheduleOnce((SEL_SCHEDULE)&StopAllActionsTest::stopAction,4);
}
void StopAllActionsTest::stopAction(float time)
{
    //暂停对象的所有动作
    auto sprite = getChildByTag(kTagGrossini);
    sprite->stopAllActionsByTag(kTagSequence);
}
std::string StopAllActionsTest::subtitle() const
{
    return "Stop All Action Test";
}

void ResumeTest::onEnter()
{
    BaseTest::onEnter();
    auto l = Label::createWithTTF("Grossini only rotate/scale in 3 seconds",VisibleRect::top().y - 75);
    //创建精灵
    auto pChild = Sprite::create("grossini.png");
    pChild->setPosition(VisibleRect::center());
    addChild(pChild,kTagGrossini);
    //精灵执行动作
    pChild->runAction(ScaleBy::create(2,2));
    //首先暂停对象动作
    auto director = Director::getInstance();
    director->getActionManager()->pauseTarget(pChild);
    pChild->runAction(RotateBy::create(2,90));
    //每3秒更新一帧
    schedule(CC_SCHEDULE_SELECTOR(ResumeTest::resumeGrossini),3.0f);
}
void ResumeTest::resumeGrossini(float time)
{
    //先暂停帧更新
    unschedule(CC_SCHEDULE_SELECTOR(ResumeTest::resumeGrossini));
    //获取对象
    auto pGrossini = getChildByTag(kTagGrossini);
    auto director = Director::getInstance();
    //开启对象的动作
    director->getActionManager()->resumeTarget(pGrossini);
}
std::string ResumeTest::subtitle() const
{
    return "Resume Test";
}

3、学习重点

1、grossini->runAction(Sequence::create(MoveBy::create(1,Vec2(150,0)),CallFuncN::create(CC_CALLBACK_1(LogicTest::bugMe,this)),NULL));
2、director->getActionManager()->addAction(action,true); schedule(CC_SCHEDULE_SELECTOR(PauseTest::unpause),3);
3、unschedule(CC_SCHEDULE_SELECTOR(PauseTest::unpause)); director->getActionManager()->resumeTarget(node);
4、auto pCallback = CallFunc::create(CC_CALLBACK_0(StopActionTest::stopAction,this));
5、sprite->stopAllActionsByTag(kTagSequence);
一个tag值可以设置多个对象，并且，getTag时返回所有对象。

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