void OneSixUpdate::executeTask()
{
QString intendedVersion = m_inst->intendedVersionId();
// Make directories
QDir mcDir(m_inst->minecraftRoot());
if (!mcDir.exists() && !mcDir.mkpath("."))
{
emitFailed("Failed to create bin folder.");
return;
}
// Get a pointer to the version object that corresponds to the instance's version.
targetVersion = std::dynamic_pointer_cast<MinecraftVersion>(
MMC->minecraftlist()->findVersion(intendedVersion));
if (targetVersion == nullptr)
{
// don't do anything if it was invalid
emitSucceeded();
return;
}
if (m_inst->shouldUpdate())
{
versionFileStart();
}
else
{
jarlibStart();
}
}
void OneSixUpdate::versionFileFinished()
{
NetActionPtr DlJob = specificVersionDownloadJob->first();
OneSixInstance *inst = (OneSixInstance *)m_inst;
QString version_id = targetVersion->descriptor();
QString inst_dir = m_inst->instanceRoot();
// save the version file in $instanceId/version.json
{
QString version1 = PathCombine(inst_dir, "/version.json");
ensureFilePathExists(version1);
// FIXME: detect errors here, download to a temp file, swap
QSaveFile vfile1(version1);
if (!vfile1.open(QIODevice::Truncate | QIODevice::WriteOnly))
{
emitFailed("Can't open " + version1 + " for writing.");
return;
}
auto data = std::dynamic_pointer_cast<ByteArrayDownload>(DlJob)->m_data;
qint64 actual = 0;
if ((actual = vfile1.write(data)) != data.size())
{
emitFailed("Failed to write into " + version1 + ". Written " + actual + " out of " +
data.size() + '.');
return;
}
if (!vfile1.commit())
{
emitFailed("Can't commit changes to " + version1);
return;
}
}
// the version is downloaded safely. update is 'done' at this point
m_inst->setShouldUpdate(false);
// delete any custom version inside the instance (it's no longer relevant, we did an update)
QString custom = PathCombine(inst_dir, "/custom.json");
QFile finfo(custom);
if (finfo.exists())
{
finfo.remove();
}
inst->reloadFullVersion();
jarlibStart();
}
