virtual void write(const PointViewPtr view) final
{
if (m_hashPos != std::string::npos)
readyFile(generateFilename());
writeView(view);
if (m_hashPos != std::string::npos)
doneFile();
}
void LegacyUpdate::lwjglStart()
{
LegacyInstance *inst = (LegacyInstance *)m_inst;
lwjglVersion = inst->lwjglVersion();
lwjglTargetPath = PathCombine(MMC->settings()->get("LWJGLDir").toString(), lwjglVersion);
lwjglNativesPath = PathCombine(lwjglTargetPath, "natives");
// if the 'done' file exists, we don't have to download this again
QFileInfo doneFile(PathCombine(lwjglTargetPath, "done"));
if (doneFile.exists())
{
jarStart();
return;
}
auto list = MMC->lwjgllist();
if (!list->isLoaded())
{
emitFailed("Too soon! Let the LWJGL list load :)");
return;
}
setStatus(tr("Downloading new LWJGL..."));
auto version = list->getVersion(lwjglVersion);
if (!version)
{
emitFailed("Game update failed: the selected LWJGL version is invalid.");
return;
}
QString url = version->url();
QUrl realUrl(url);
QString hostname = realUrl.host();
auto worker = MMC->qnam();
QNetworkRequest req(realUrl);
req.setRawHeader("Host", hostname.toLatin1());
req.setHeader(QNetworkRequest::UserAgentHeader, "MultiMC/5.0 (Cached)");
QNetworkReply *rep = worker->get(req);
m_reply = std::shared_ptr<QNetworkReply>(rep);
connect(rep, SIGNAL(downloadProgress(qint64, qint64)), SIGNAL(progress(qint64, qint64)));
connect(worker.get(), SIGNAL(finished(QNetworkReply *)),
SLOT(lwjglFinished(QNetworkReply *)));
// connect(rep, SIGNAL(error(QNetworkReply::NetworkError)),
// SLOT(downloadError(QNetworkReply::NetworkError)));
}
virtual void done(PointTableRef table) final
{
if (m_hashPos == std::string::npos)
doneFile();
doneTable(table);
}
void LegacyUpdate::extractLwjgl()
{
// make sure the directories are there
bool success = ensureFolderPathExists(lwjglNativesPath);
if (!success)
{
emitFailed("Failed to extract the lwjgl libs - error when creating required folders.");
return;
}
QuaZip zip("lwjgl.zip");
if (!zip.open(QuaZip::mdUnzip))
{
emitFailed("Failed to extract the lwjgl libs - not a valid archive.");
return;
}
// and now we are going to access files inside it
QuaZipFile file(&zip);
const QString jarNames[] = {"jinput.jar", "lwjgl_util.jar", "lwjgl.jar"};
for (bool more = zip.goToFirstFile(); more; more = zip.goToNextFile())
{
if (!file.open(QIODevice::ReadOnly))
{
zip.close();
emitFailed("Failed to extract the lwjgl libs - error while reading archive.");
return;
}
QuaZipFileInfo info;
QString name = file.getActualFileName();
if (name.endsWith('/'))
{
file.close();
continue;
}
QString destFileName;
// Look for the jars
for (int i = 0; i < 3; i++)
{
if (name.endsWith(jarNames[i]))
{
destFileName = PathCombine(lwjglTargetPath, jarNames[i]);
}
}
// Not found? look for the natives
if (destFileName.isEmpty())
{
#ifdef Q_OS_WIN32
QString nativesDir = "windows";
#else
#ifdef Q_OS_MAC
QString nativesDir = "macosx";
#else
QString nativesDir = "linux";
#endif
#endif
if (name.contains(nativesDir))
{
int lastSlash = name.lastIndexOf('/');
int lastBackSlash = name.lastIndexOf('\\');
if (lastSlash != -1)
name = name.mid(lastSlash + 1);
else if (lastBackSlash != -1)
name = name.mid(lastBackSlash + 1);
destFileName = PathCombine(lwjglNativesPath, name);
}
}
// Now if destFileName is still empty, go to the next file.
if (!destFileName.isEmpty())
{
setStatus(tr("Installing new LWJGL - extracting ") + name + "...");
QFile output(destFileName);
output.open(QIODevice::WriteOnly);
output.write(file.readAll()); // FIXME: wste of memory!?
output.close();
}
file.close(); // do not forget to close!
}
zip.close();
m_reply.reset();
QFile doneFile(PathCombine(lwjglTargetPath, "done"));
doneFile.open(QIODevice::WriteOnly);
doneFile.write("done.");
doneFile.close();
}
