cocos-enhance-kit/cocos2d-x/cocos/renderer/scene/MemPool.cpp

/****************************************************************************
 Copyright (c) 2018 Xiamen Yaji Software Co., Ltd.
 
 http://www.cocos2d-x.org
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
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 all copies or substantial portions of the Software.
 
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 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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#include "MemPool.hpp"
#include "cocos/scripting/js-bindings/jswrapper/SeApi.h"
#include "base/ccMacros.h"

RENDERER_BEGIN

UnitBase::UnitBase()
{
    
}

UnitBase::~UnitBase()
{
    
}

void UnitBase::set(se::Object** dataObj, uint8_t** data, std::size_t* dataLen, se::Object* jsData)
{
    if (*dataObj == jsData) return;
    
    if (*dataObj)
    {
        (*dataObj)->unroot();
        (*dataObj)->decRef();
        *dataObj = nullptr;
    }
    
    if (jsData == nullptr) return;
    
    *dataObj = jsData;
    (*dataObj)->root();
    (*dataObj)->incRef();
    *data = nullptr;
    *dataLen = 0;
    (*dataObj)->getTypedArrayData(data, dataLen);
}

void UnitBase::unset(se::Object** dataObj, uint8_t** data, std::size_t* dataLen)
{
    if (*dataObj)
    {
        (*dataObj)->unroot();
        (*dataObj)->decRef();
        *dataObj = nullptr;
    }
    
    *data = nullptr;
    *dataLen = 0;
}

UnitCommon::UnitCommon()
{
    
}

UnitCommon::~UnitCommon()
{
    unset(&dataObj, (uint8_t**)&data, &dataLen);
    unset(&signDataObj, (uint8_t**)&signData, &signDataLen);
}

void UnitCommon::setData(se::Object* jsData)
{
    set(&dataObj, (uint8_t**)&data, &dataLen, jsData);
}

void UnitCommon::setSignData(se::Object* jsSignData)
{
    set(&signDataObj, (uint8_t**)&signData, &signDataLen, jsSignData);
}

MemPool::MemPool()
{
    
}

MemPool::~MemPool()
{
    for(auto it = _commonPool.begin(); it != _commonPool.end(); it++)
    {
        if (*it)
        {
            delete (*it);
        }
    }
    _commonPool.clear();
}

void MemPool::removeCommonData(std::size_t unitID)
{
    CCASSERT(unitID < _commonPool.size(), "MemPool removeCommonData unitID can not be rather than pool size");
    auto unit = _commonPool[unitID];
    if (unit) 
    {
        for (auto it = _commonList.begin(); it != _commonList.end(); it++)
        {
            if ((*it)->unitID == unitID)
            {
                _commonList.erase(it);
                break;
            }
        }
        delete unit;
        _commonPool[unitID] = nullptr;
    }
}

void MemPool::updateCommonData(std::size_t unitID, se_object_ptr dataObj, se_object_ptr signDataObj)
{
    CCASSERT(unitID <= _commonPool.size(), "MemPool updateData unitID can not be rather than pool size");
    
    UnitCommon* unit = nullptr;
    if (unitID == _commonPool.size())
    {
        unit = new UnitCommon;
        _commonPool.push_back(unit);
        _commonList.push_back(unit);
    }
    else if (unitID < _commonPool.size())
    {
        unit = _commonPool[unitID];
        if (!unit) 
        {
            unit = new UnitCommon;
            _commonPool[unitID] = unit;
            _commonList.push_back(unit);
        }
    }
    else
    {
        return;
    }
    
    unit->unitID = unitID;
    unit->setData(dataObj);
    unit->setSignData(signDataObj);
}

const std::vector<UnitCommon*>& MemPool::getCommonPool() const
{
    return _commonPool;
}

const std::vector<UnitCommon*>& MemPool::getCommonList() const
{
    return _commonList;
}

UnitCommon* MemPool::getCommonUnit(std::size_t unitID)
{
    CCASSERT(unitID < _commonPool.size(), "MemPool getCommonUnit unitID can not be rather than pool size");
    return _commonPool[unitID];
}

RENDERER_END