cocos 2d test-cpp 学习笔记之AppDelegate.cpp 代码分析

代码源码

“` c++
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#include "AppDelegate.h"
#include “cocos2d.h”
#include "controller.h"
#include “cocostudio/CocoStudio.h”
`#include “extensions/cocos-ext.h”
//这儿 在 头文件中 的定义为 using namespace cocos2d 也就是 使用命名空间
USING_NS_CC;

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

AppDelegate::~AppDelegate() // 析构函数，在类被销毁之前执行
{
// SimpleAudioEngine::end();
cocostudio::ArmatureDataManager::destroyInstance();
//程序在此处被销毁
}

bool AppDelegate::applicationDidFinishLaunching()
{

Configuration::getInstance()->loadConfigFile("configs/config-example.plist");

// 初始化一个导演对象 ，  在cocos 2d中Director 只有一个，《单例模式》
auto director = Director::getInstance();
// 然后通过 导演 获得一个 OpenGL 视图， 这儿使用 [OpenGL] (https://www.opengl.org/) 进行渲染， 学习OpenGl 推荐[《OpenGL编程指南》](http://vdisk.weibo.com/s/BT-B_fs4lQPBs)
auto glview = director->getOpenGLView();
if(!glview) {
// 创建一个 名称为 “Cpp Tests”的 窗口
    glview = GLView::create("Cpp Tests");
    director->setOpenGLView(glview);
}
// 设置是否显示当前的显示 状态， 主要是当前显示的帧率
director->setDisplayStats(true);
// 设置动画的帧率 ，一般设置在 1.0/30 以下， 也就是 30帧每秒及以上 
director->setAnimationInterval(1.0 / 60);

auto screenSize = glview->getFrameSize();

auto designSize = Size(480,320);

auto fileUtils = FileUtils::getInstance();
std::vector<std::string> searchPaths;

if (screenSize.height > 320)
{
    auto resourceSize = Size(960,640);
    searchPaths.push_back("hd");
    searchPaths.push_back("ccs-res/hd");
    searchPaths.push_back("ccs-res/hd/scenetest");
    searchPaths.push_back("ccs-res/hd/scenetest/ArmatureComponentTest");
    searchPaths.push_back("ccs-res/hd/scenetest/AttributeComponentTest");
    searchPaths.push_back("ccs-res/hd/scenetest/BackgroundComponentTest");
    searchPaths.push_back("ccs-res/hd/scenetest/EffectComponentTest");
    searchPaths.push_back("ccs-res/hd/scenetest/LoadSceneEdtiorFileTest");
    searchPaths.push_back("ccs-res/hd/scenetest/ParticleComponentTest");
    searchPaths.push_back("ccs-res/hd/scenetest/SpriteComponentTest");
    searchPaths.push_back("ccs-res/hd/scenetest/TmxMapComponentTest");
    searchPaths.push_back("ccs-res/hd/scenetest/UIComponentTest");
    searchPaths.push_back("ccs-res/hd/scenetest/TriggerTest");
    searchPaths.push_back("ccs-res");
    director->setContentScaleFactor(resourceSize.height/designSize.height);
}
else
{
    searchPaths.push_back("ccs-res");
    searchPaths.push_back("ccs-res/scenetest/ArmatureComponentTest");
    searchPaths.push_back("ccs-res/scenetest/AttributeComponentTest");
    searchPaths.push_back("ccs-res/scenetest/BackgroundComponentTest");
    searchPaths.push_back("ccs-res/scenetest/EffectComponentTest");
    searchPaths.push_back("ccs-res/scenetest/LoadSceneEdtiorFileTest");
    searchPaths.push_back("ccs-res/scenetest/ParticleComponentTest");
    searchPaths.push_back("ccs-res/scenetest/SpriteComponentTest");
    searchPaths.push_back("ccs-res/scenetest/TmxMapComponentTest");
    searchPaths.push_back("ccs-res/scenetest/UIComponentTest");
    searchPaths.push_back("ccs-res/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
glview->setDesignResolutionSize(designSize.width,designSize.height,ResolutionPolicy::SHOW_ALL);
#else
glview->setDesignResolutionSize(designSize.width,ResolutionPolicy::NO_BORDER);
`#endif

auto scene = Scene::create();
auto layer = new TestController();

#if (CC_TARGET_PLATFORM != CC_PLATFORM_WP8) && (CC_TARGET_PLATFORM != CC_PLATFORM_WINRT)
layer->addConsoleAutoTest();
#endif
layer->autorelease();
layer->addConsoleAutoTest();
scene->addChild(layer);
director->runWithScene(scene);

// Enable Remote Console

#if (CC_TARGET_PLATFORM != CC_PLATFORM_WINRT)
auto console = director->getConsole();
console->listenOnTCP(5678);
Configuration *conf = Configuration::getInstance();
bool isAutoRun = conf->getValue("cocos2d.x.testcpp.autorun",Value(false)).asBool();
if(isAutoRun)
{
layer->startAutoRun();
}
#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();
}

void AppDelegate::setCurrentTest(BaseTest* curTest)
{
_curTest = curTest;
}

BaseTest* AppDelegate::getCurrentTest()
{
return _curTest;
}

AppDelegate 构成了整个程序的生命过程 这个与 Android 中的 activity 有很大的相似之处