void AssetsManagerEx::initManifests(const std::string& manifestUrl)
{
_inited = true;
// Init and load local manifest
_localManifest = new (std::nothrow) Manifest();
if (_localManifest)
{
loadLocalManifest(manifestUrl);
// Init and load temporary manifest
_tempManifest = new (std::nothrow) Manifest();
if (_tempManifest)
{
_tempManifest->parse(_tempManifestPath);
// Previous update is interrupted
if (_fileUtils->isFileExist(_tempManifestPath))
{
// Manifest parse failed, remove all temp files
if (!_tempManifest->isLoaded())
{
_fileUtils->removeDirectory(_tempStoragePath);
CC_SAFE_RELEASE(_tempManifest);
_tempManifest = nullptr;
}
}
}
else
{
_inited = false;
}
// Init remote manifest for future usage
_remoteManifest = new (std::nothrow) Manifest();
if (!_remoteManifest)
{
_inited = false;
}
}
else
{
_inited = false;
}
if (!_inited)
{
CC_SAFE_RELEASE(_localManifest);
CC_SAFE_RELEASE(_tempManifest);
CC_SAFE_RELEASE(_remoteManifest);
_localManifest = nullptr;
_tempManifest = nullptr;
_remoteManifest = nullptr;
}
}
AssetsManager::AssetsManager(const std::string& manifestUrl, const std::string& storagePath)
: _updateState(State::UNCHECKED)
, _waitToUpdate(false)
, _totalToDownload(0)
, _totalWaitToDownload(0)
, _percent(0)
, _percentByFile(0)
, _manifestUrl(manifestUrl)
, _storagePath("")
, _cacheVersionPath("")
, _cacheManifestPath("")
, _tempManifestPath("")
, _assets(nullptr)
, _localManifest(nullptr)
, _tempManifest(nullptr)
, _remoteManifest(nullptr)
{
// Init variables
_eventDispatcher = Director::getInstance()->getEventDispatcher();
std::string pointer = StringUtils::format("%p", this);
_eventName = EventListenerAssetsManager::LISTENER_ID + pointer;
_fileUtils = FileUtils::getInstance();
_updateState = State::UNCHECKED;
_downloader = std::make_shared<Downloader>();
_downloader->setConnectionTimeout(DEFAULT_CONNECTION_TIMEOUT);
_downloader->_onError = std::bind(&AssetsManager::onError, this, std::placeholders::_1);
_downloader->_onProgress = std::bind(&AssetsManager::onProgress,
this,
std::placeholders::_1,
std::placeholders::_2,
std::placeholders::_3,
std::placeholders::_4);
_downloader->_onSuccess = std::bind(&AssetsManager::onSuccess, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3);
setStoragePath(storagePath);
_cacheVersionPath = _storagePath + VERSION_FILENAME;
_cacheManifestPath = _storagePath + MANIFEST_FILENAME;
_tempManifestPath = _storagePath + TEMP_MANIFEST_FILENAME;
// Init and load local manifest
_localManifest = new Manifest();
loadLocalManifest(manifestUrl);
// Init and load temporary manifest
_tempManifest = new Manifest();
_tempManifest->parse(_tempManifestPath);
if (!_tempManifest->isLoaded())
_fileUtils->removeFile(_tempManifestPath);
// Init remote manifest for future usage
_remoteManifest = new Manifest();
}
