Cocos2d-x プールアロケータ

HelloWorldScene.cpp

#include "HelloWorldScene.h"

USING_NS_CC;

cocos2d::allocator::AllocatorStrategyPool<HelloWorld> HelloWorld::allocator_pool{"HelloWorldPool"};

Scene* HelloWorld::createScene()
{
    auto scene = Scene::create();
    auto layer = HelloWorld::create();
    scene->addChild(layer);
    return scene;
}

bool HelloWorld::init()
{
    if ( !Layer::init() )
    {
        return false;
    }
    Size visibleSize = Director::getInstance()->getVisibleSize();
    Vec2 origin = Director::getInstance()->getVisibleOrigin();
    auto closeItem = MenuItemImage::create(
                                           "CloseNormal.png",
                                           "CloseSelected.png",
                                           CC_CALLBACK_1(HelloWorld::menuCloseCallback, this));
    
	closeItem->setPosition(Vec2(origin.x + visibleSize.width - closeItem->getContentSize().width/2 ,
                                origin.y + closeItem->getContentSize().height/2));
    auto menu = Menu::create(closeItem, NULL);
    menu->setPosition(Vec2::ZERO);
    this->addChild(menu, 1);
    auto label = Label::createWithTTF("Hello World", "fonts/Marker Felt.ttf", 24);
    label->setPosition(Vec2(origin.x + visibleSize.width/2,
                            origin.y + visibleSize.height - label->getContentSize().height));
    this->addChild(label, 1);
    auto sprite = Sprite::create("HelloWorld.png");
    sprite->setPosition(Vec2(visibleSize.width/2 + origin.x, visibleSize.height/2 + origin.y));
    this->addChild(sprite, 0);
    return true;
}


void HelloWorld::menuCloseCallback(Ref* pSender)
{
    Director::getInstance()->end();

#if (CC_TARGET_PLATFORM == CC_PLATFORM_IOS)
    exit(0);
#endif
}

HelloWorldScene.h

#ifndef __HELLOWORLD_SCENE_H__
#define __HELLOWORLD_SCENE_H__

#include "cocos2d.h"
#include "base/allocator/CCAllocatorStrategyPool.h"
#include "base/allocator/CCAllocatorMacros.h"

class HelloWorld : public cocos2d::Layer
{
public:
    // there's no 'id' in cpp, so we recommend returning the class instance pointer
    static cocos2d::Scene* createScene();

    // Here's a difference. Method 'init' in cocos2d-x returns bool, instead of returning 'id' in cocos2d-iphone
    virtual bool init();
    
    // a selector callback
    void menuCloseCallback(cocos2d::Ref* pSender);
    
    static cocos2d::allocator::AllocatorStrategyPool<HelloWorld> allocator_pool;
    CC_USE_ALLOCATOR_POOL(HelloWorld, allocator_pool);
    
    // implement the "static create()" method manually
    static HelloWorld* create()
    {
        HelloWorld *pRet = new HelloWorld();
        if (pRet && pRet->init())
        {
            pRet->autorelease();
            return pRet;
        }
        else
        {
            delete pRet;
            pRet = NULL;
            return NULL;
        }
    }
    
};

#endif // __HELLOWORLD_SCENE_H__