axmol/cocos2dx/cocoa/CCObject.cpp

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#include "CCObject.h"
#include "CCAutoreleasePool.h"
#include "ccMacros.h"

#if CC_LUA_ENGINE_ENABLED
#include "CCLuaEngine.h"
#endif

namespace   cocos2d {

CCObject* CCCopying::copyWithZone(CCZone *pZone)
{
    CC_UNUSED_PARAM(pZone);
    CCAssert(0, "not implement");
    return 0;
}

CCObject::CCObject(void)
{
	static unsigned int uObjectCount = 0;

	m_uID = ++uObjectCount;
    m_nLuaID = 0;

	// when the object is created, the refrence count of it is 1
	m_uReference = 1;
	m_bManaged = false;
}

CCObject::~CCObject(void)
{
	// if the object is managed, we should remove it
	// from pool manager
	if (m_bManaged)
	{
		CCPoolManager::getInstance()->removeObject(this);
	}

#if CC_LUA_ENGINE_ENABLED
    // if the object is referenced by Lua engine, remove it
    if (m_nLuaID)
    {
        CCLuaEngine::sharedEngine()->removeCCObjectByID(m_nLuaID);
    }
#endif
}

CCObject* CCObject::copy()
{
    return copyWithZone(0);
}

void CCObject::release(void)
{
	CCAssert(m_uReference > 0, "reference count should greater than 0");
	--m_uReference;

	if (m_uReference == 0)
	{
		delete this;
	}
}

void CCObject::retain(void)
{
	CCAssert(m_uReference > 0, "reference count should greater than 0");

	++m_uReference;
}

CCObject* CCObject::autorelease(void)
{
	CCPoolManager::getInstance()->addObject(this);

	m_bManaged = true;
	return this;
}

bool CCObject::isSingleRefrence(void)
{
	return m_uReference == 1;
}

unsigned int CCObject::retainCount(void)
{
	return m_uReference;
}

bool CCObject::isEqual(const CCObject *pObject)
{
	return this == pObject;
}

}//namespace   cocos2d