cocos2d-x 3.0 示例代码分析1：AppDelegate

// AppDelegate.cpp


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 Copyright (c) 2013      cocos2d-x.org
 Copyright (c) 2013-2014 Chukong Technologies Inc.

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#include "AppDelegate.h"

#include "cocos2d.h"
#include "controller.h"
#include "cocostudio/CocoStudio.h"
#include "extensions/cocos-ext.h"

USING_NS_CC;

AppDelegate::AppDelegate()
:_curTest(nullptr)
{
}

AppDelegate::~AppDelegate()
{
//    SimpleAudioEngine::end();
    // 释放armature
    cocostudio::ArmatureDataManager::destroyInstance();
}

bool AppDelegate::applicationDidFinishLaunching()
{
    // As an example, load config file
    // XXX: This should be loaded before the Director is initialized,
    // XXX: but at this point, the director is already initialized
    Configuration::getInstance()->loadConfigFile("configs/config-example.plist");

    // initialize director
    auto director = Director::getInstance();
    auto glview = director->getOpenGLView();
    if(!glview) {
        glview = GLView::create("Cpp Tests");
        director->setOpenGLView(glview);
    }
    
    // 启用 FPS 显示
    director->setDisplayStats(true);
    
    // 设置 FPS 上限。如果不加设置，则默认 FPS 上限为 60
    director->setAnimationInterval(1.0 / 60);
    
    // 获取屏幕尺寸
    auto screenSize = glview->getFrameSize();

    auto designSize = Size(480, 320);

    auto fileUtils = FileUtils::getInstance();
    std::vector<std::string> searchPaths;
    
    // 这里是实现的重点，比较屏幕的高和设定的适配尺寸的高，选择合适的图片
    // 然后将对应图片的路径添加到搜索路径中，那么cocos2d-x就会到该目录去寻找图片
    if (screenSize.height > 320)
    {
        auto resourceSize = Size(960, 640);
        searchPaths.push_back("hd");
        searchPaths.push_back("hd/scenetest");
        searchPaths.push_back("hd/scenetest/ArmatureComponentTest");
        searchPaths.push_back("hd/scenetest/AttributeComponentTest");
        searchPaths.push_back("hd/scenetest/BackgroundComponentTest");
        searchPaths.push_back("hd/scenetest/EffectComponentTest");
        searchPaths.push_back("hd/scenetest/LoadSceneEdtiorFileTest");
        searchPaths.push_back("hd/scenetest/ParticleComponentTest");
        searchPaths.push_back("hd/scenetest/SpriteComponentTest");
        searchPaths.push_back("hd/scenetest/TmxMapComponentTest");
        searchPaths.push_back("hd/scenetest/UIComponentTest");
        searchPaths.push_back("hd/scenetest/TriggerTest");
        director->setContentScaleFactor(resourceSize.height/designSize.height);
    }
    else
    {
        searchPaths.push_back("scenetest/ArmatureComponentTest");
        searchPaths.push_back("scenetest/AttributeComponentTest");
        searchPaths.push_back("scenetest/BackgroundComponentTest");
        searchPaths.push_back("scenetest/EffectComponentTest");
        searchPaths.push_back("scenetest/LoadSceneEdtiorFileTest");
        searchPaths.push_back("scenetest/ParticleComponentTest");
        searchPaths.push_back("scenetest/SpriteComponentTest");
        searchPaths.push_back("scenetest/TmxMapComponentTest");
        searchPaths.push_back("scenetest/UIComponentTest");
        searchPaths.push_back("scenetest/TriggerTest");
    }
    
    fileUtils->setSearchPaths(searchPaths);

#if (CC_TARGET_PLATFORM == CC_PLATFORM_WP8) || (CC_TARGET_PLATFORM == CC_PLATFORM_WINRT)
    // a bug in DirectX 11 level9-x on the device prevents ResolutionPolicy::NO_BORDER from working correctly
    // 应用程序可见，同时保持原始应用程序的宽高比
    glview->setDesignResolutionSize(designSize.width, designSize.height, ResolutionPolicy::SHOW_ALL); 
#else
    // 铺满全屏，但是可能会失真，不保持原始应用程序的宽高比
    glview->setDesignResolutionSize(designSize.width, designSize.height, ResolutionPolicy::NO_BORDER);
#endif

     // 创建一个场景，场景是一个 autorelease 对象
    auto scene = Scene::create();
    
    // 创建图层
    auto layer = new TestController();
    
#if (CC_TARGET_PLATFORM != CC_PLATFORM_WP8) && (CC_TARGET_PLATFORM != CC_PLATFORM_WINRT)
    layer->addConsoleAutoTest();
#endif

    layer->autorelease();

    // 将图层加入到场景中
    scene->addChild(layer);
    
    // 运行场景
    director->runWithScene(scene);

    // Enable Remote Console
#if (CC_TARGET_PLATFORM != CC_PLATFORM_WP8) && (CC_TARGET_PLATFORM != CC_PLATFORM_WINRT)
    // 参考资料http://www.tuicool.com/articles/yauuueM
    // 在Cocos2d-x 3.0 版新增了Console模块，可实现远程调试。在PC上连接5678端口，即可连接应用程序，输入对应的命令进行调试功能.
    auto console = director->getConsole();
    console->listenOnTCP(5678);
#endif

    return true;
}

// This function will be called when the app is inactive. When comes a phone call,it‘s be invoked too
void AppDelegate::applicationDidEnterBackground()
{
    Director::getInstance()->stopAnimation();
}

// this function will be called when the app is active again
void AppDelegate::applicationWillEnterForeground()
{
    Director::getInstance()->startAnimation();
}

// 设置现在正在运行的测试例
void AppDelegate::setCurrentTest(BaseTest* curTest)
{
    _curTest = curTest;
}

// 获得现在正在运行的测试例
BaseTest* AppDelegate::getCurrentTest()
{
    return _curTest;
}


// （注：星月的英语水平有限，所以可能有错误的敌方，请大家谅解）（小白：你英语过四级了吗...）