RedCore/cocos2d/cocos/editor-support/cocostudio/CCSpriteFrameCacheHelper.cpp

/****************************************************************************
Copyright (c) 2013-2017 Chukong Technologies Inc.

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#include "editor-support/cocostudio/CCSpriteFrameCacheHelper.h"
#include "platform/CCFileUtils.h"
#include "2d/CCSpriteFrame.h"
#include "2d/CCSpriteFrameCache.h"

using namespace cocos2d;


namespace cocostudio {

SpriteFrameCacheHelper *SpriteFrameCacheHelper::_spriteFrameCacheHelper = nullptr;

SpriteFrameCacheHelper *SpriteFrameCacheHelper::getInstance()
{
    if(!_spriteFrameCacheHelper)
    {
        _spriteFrameCacheHelper = new (std::nothrow) SpriteFrameCacheHelper();
    }

    return _spriteFrameCacheHelper;
}

void SpriteFrameCacheHelper::purge()
{
    delete _spriteFrameCacheHelper;
    _spriteFrameCacheHelper = nullptr;
}

void SpriteFrameCacheHelper::retainSpriteFrames(const std::string &plistPath)
{
    auto it = _usingSpriteFrames.find(plistPath);
    if(it != _usingSpriteFrames.end()) return;

    std::string fullPath = FileUtils::getInstance()->fullPathForFilename(plistPath);
    ValueMap dict = FileUtils::getInstance()->getValueMapFromFile(fullPath);
    auto spriteFramesCache = SpriteFrameCache::getInstance();
    ValueMap& framesDict = dict["frames"].asValueMap();

    std::vector<SpriteFrame*> vec;
    for (auto iter = framesDict.begin(); iter != framesDict.end(); ++iter)
    {
        auto& spriteFrameName = iter->first;
        SpriteFrame* spriteFrame = spriteFramesCache->getSpriteFrameByName(spriteFrameName);
        vec.push_back(spriteFrame);
        CC_SAFE_RETAIN(spriteFrame);
    }
    _usingSpriteFrames[plistPath] = vec;
}

void SpriteFrameCacheHelper::releaseSpriteFrames(const std::string &plistPath)
{
    auto it = _usingSpriteFrames.find(plistPath);
    if(it == _usingSpriteFrames.end()) return;

    auto& vec = it->second;
    auto itFrame = vec.begin();
    while (itFrame != vec.end())
    {
        CC_SAFE_RELEASE(*itFrame);
        ++itFrame;
    }
    vec.clear();
    _usingSpriteFrames.erase(it);
}

void SpriteFrameCacheHelper::removeSpriteFrameFromFile(const std::string &plistPath)
{
    SpriteFrameCache::getInstance()->removeSpriteFramesFromFile(plistPath);
    releaseSpriteFrames(plistPath);
}

void SpriteFrameCacheHelper::addSpriteFrameFromFile(const std::string& plistPath, const std::string& imagePath)
{
    SpriteFrameCache::getInstance()->addSpriteFramesWithFile(plistPath, imagePath);
    retainSpriteFrames(plistPath);
}

SpriteFrameCacheHelper::SpriteFrameCacheHelper()
{
}

SpriteFrameCacheHelper::~SpriteFrameCacheHelper()
{
    auto i = _usingSpriteFrames.begin();
    while (i != _usingSpriteFrames.end())
    {
        auto j = i++;
        removeSpriteFrameFromFile(j->first);
    }
}

}