axmol/cocos2dx/cocoa/CCObject.cpp

/****************************************************************************
Copyright (c) 2010 cocos2d-x.org

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#include "CCObject.h"
#include "CCAutoreleasePool.h"
#include "ccMacros.h"
#include "script_support/CCScriptSupport.h"

NS_CC_BEGIN

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

CCObject::CCObject(void)
: m_nLuaID(0)
, m_uReference(1) // when the object is created, the reference count of it is 1
, m_uAutoReleaseCount(0)
{
    static unsigned int uObjectCount = 0;

    m_uID = ++uObjectCount;

#ifdef EMSCRIPTEN
    for(int i = 0; i < BUFFER_SLOTS; i++)
    {
        m_bufferObject[i] = 0;
        m_bufferSize[i] = 0;
        m_indexBufferObject[i] = 0;
        m_indexBufferSize[i] = 0;
    }
#endif //EMSCRIPTEN
}

CCObject::~CCObject(void)
{
    // if the object is managed, we should remove it
    // from pool manager
    if (m_uAutoReleaseCount > 0)
    {
        CCPoolManager::sharedPoolManager()->removeObject(this);
    }

    // if the object is referenced by Lua engine, remove it
    if (m_nLuaID)
    {
        CCScriptEngineManager::sharedManager()->getScriptEngine()->removeScriptObjectByCCObject(this);
    }
    else
    {
        CCScriptEngineProtocol* pEngine = CCScriptEngineManager::sharedManager()->getScriptEngine();
        if (pEngine != NULL && pEngine->getScriptType() == kScriptTypeJavascript)
        {
            pEngine->removeScriptObjectByCCObject(this);
        }
    }
}

#ifdef EMSCRIPTEN
void CCObject::setGLBufferData(void *buf, GLuint bufSize, int slot)
{
    // WebGL doesn't support client-side arrays, so generate a buffer and load the data first.
    if(m_bufferSize[slot] < bufSize)
    {
        if(m_bufferObject[slot])
        {
            glDeleteBuffers(1, &(m_bufferObject[slot]));
        }
        glGenBuffers(1, &(m_bufferObject[slot]));
        m_bufferSize[slot] = bufSize;
    }
    glBindBuffer(GL_ARRAY_BUFFER, m_bufferObject[slot]);
    glBufferData(GL_ARRAY_BUFFER, bufSize, buf, GL_STATIC_DRAW);
}
void CCObject::setGLIndexData(void *buf, GLuint bufSize, int slot)
{
    // WebGL doesn't support client-side arrays, so generate a buffer and load the data first.
    if(m_indexBufferSize[slot] < bufSize)
    {
        if(m_indexBufferObject[slot])
        {
            glDeleteBuffers(1, &(m_indexBufferObject[slot]));
        }
        glGenBuffers(1, &(m_indexBufferObject[slot]));
        m_indexBufferSize[slot] = bufSize;
    }
    glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_indexBufferObject[slot]);
    glBufferData(GL_ELEMENT_ARRAY_BUFFER, bufSize, buf, GL_STATIC_DRAW);
}
#endif // EMSCRIPTEN
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::sharedPoolManager()->addObject(this);
    return this;
}

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

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

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

NS_CC_END