wxThread::ExitCode ModderTask::TaskStart()
{
// Get the mod list
ModList *modList = m_inst->GetModList();
wxFileName mcBin = m_inst->GetBinDir();
wxFileName mcJar = m_inst->GetMCJar();
wxFileName mcBackup = m_inst->GetMCBackup();
// Nothing to do if there are no jar mods to install, no backup and just the mc jar
if(mcJar.FileExists() && !mcBackup.FileExists() && modList->empty())
{
m_inst->SetNeedsRebuild(false);
return (ExitCode)1;
}
SetStatus(_("Installing mods - backing up minecraft.jar..."));
if (!mcBackup.FileExists() && !wxCopyFile(mcJar.GetFullPath(), mcBackup.GetFullPath()))
{
OnFail(_("Failed to back up minecraft.jar"));
return (ExitCode)0;
}
if (mcJar.FileExists() && !wxRemoveFile(mcJar.GetFullPath()))
{
OnFail(_("Failed to delete old minecraft.jar"));
return (ExitCode)0;
}
// TODO: good spot for user cancel check? or not...
TaskStep(); // STEP 1
SetStatus(_("Installing mods - Opening minecraft.jar"));
wxFFileOutputStream jarStream(mcJar.GetFullPath());
wxZipOutputStream zipOut(jarStream);
// Files already added to the jar.
// These files will be skipped.
std::set<wxString> addedFiles;
// Modify the jar
TaskStep(); // STEP 2
SetStatus(_("Installing mods - Adding mod files..."));
for (ModList::const_reverse_iterator iter = modList->rbegin(); iter != modList->rend(); iter++)
{
wxFileName modFileName = iter->GetFileName();
SetStatus(_("Installing mods - Adding ") + modFileName.GetFullName());
if (iter->IsZipMod())
{
wxFFileInputStream modStream(modFileName.GetFullPath());
wxZipInputStream zipStream(modStream);
std::auto_ptr<wxZipEntry> entry;
while (entry.reset(zipStream.GetNextEntry()), entry.get() != NULL)
{
if (entry->IsDir())
continue;
wxString name = entry->GetName();
if (addedFiles.count(name) == 0)
{
if (!zipOut.CopyEntry(entry.release(), zipStream))
break;
addedFiles.insert(name);
}
}
}
else
{
wxFileName destFileName = modFileName;
destFileName.MakeRelativeTo(m_inst->GetInstModsDir().GetFullPath());
wxString destFile = destFileName.GetFullPath();
if (addedFiles.count(destFile) == 0)
{
wxFFileInputStream input(modFileName.GetFullPath());
zipOut.PutNextEntry(destFile);
zipOut.Write(input);
addedFiles.insert(destFile);
}
}
}
{
wxFFileInputStream inStream(mcBackup.GetFullPath());
wxZipInputStream zipIn(inStream);
std::auto_ptr<wxZipEntry> entry;
while (entry.reset(zipIn.GetNextEntry()), entry.get() != NULL)
{
wxString name = entry->GetName();
if (!name.Matches("META-INF*") &&
addedFiles.count(name) == 0)
{
if (!zipOut.CopyEntry(entry.release(), zipIn))
break;
addedFiles.insert(name);
}
}
}
// Recompress the jar
TaskStep(); // STEP 3
SetStatus(_("Installing mods - Recompressing jar..."));
m_inst->SetNeedsRebuild(false);
m_inst->UpdateVersion(true);
return (ExitCode)1;
}
void LegacyUpdate::ModTheJar()
{
LegacyInstance *inst = (LegacyInstance *)m_inst;
if (!inst->shouldRebuild())
{
emitSucceeded();
return;
}
// Get the mod list
auto modList = inst->jarModList();
QFileInfo runnableJar(inst->runnableJar());
QFileInfo baseJar(inst->baseJar());
bool base_is_custom = inst->shouldUseCustomBaseJar();
// Nothing to do if there are no jar mods to install, no backup and just the mc jar
if (base_is_custom)
{
// yes, this can happen if the instance only has the runnable jar and not the base jar
// it *could* be assumed that such an instance is vanilla, but that wouldn't be safe
// because that's not something mmc4 guarantees
if (runnableJar.isFile() && !baseJar.exists() && modList->empty())
{
inst->setShouldRebuild(false);
emitSucceeded();
return;
}
setStatus(tr("Installing mods: Backing up minecraft.jar ..."));
if (!baseJar.exists() && !QFile::copy(runnableJar.filePath(), baseJar.filePath()))
{
emitFailed("It seems both the active and base jar are gone. A fresh base jar will "
"be used on next run.");
inst->setShouldRebuild(true);
inst->setShouldUpdate(true);
inst->setShouldUseCustomBaseJar(false);
return;
}
}
if (!baseJar.exists())
{
emitFailed("The base jar " + baseJar.filePath() + " does not exist");
return;
}
if (runnableJar.exists() && !QFile::remove(runnableJar.filePath()))
{
emitFailed("Failed to delete old minecraft.jar");
return;
}
// TaskStep(); // STEP 1
setStatus(tr("Installing mods: Opening minecraft.jar ..."));
QuaZip zipOut(runnableJar.filePath());
if (!zipOut.open(QuaZip::mdCreate))
{
QFile::remove(runnableJar.filePath());
emitFailed("Failed to open the minecraft.jar for modding");
return;
}
// Files already added to the jar.
// These files will be skipped.
QSet<QString> addedFiles;
// Modify the jar
setStatus(tr("Installing mods: Adding mod files..."));
for (int i = modList->size() - 1; i >= 0; i--)
{
auto &mod = modList->operator[](i);
// do not merge disabled mods.
if (!mod.enabled())
continue;
if (mod.type() == Mod::MOD_ZIPFILE)
{
if (!MergeZipFiles(&zipOut, mod.filename(), addedFiles, LegacyUpdate::KeepMetainf))
{
zipOut.close();
QFile::remove(runnableJar.filePath());
emitFailed("Failed to add " + mod.filename().fileName() + " to the jar.");
return;
}
}
else if (mod.type() == Mod::MOD_SINGLEFILE)
{
auto filename = mod.filename();
if (!JlCompress::compressFile(&zipOut, filename.absoluteFilePath(),
filename.fileName()))
{
zipOut.close();
QFile::remove(runnableJar.filePath());
emitFailed("Failed to add " + filename.fileName() + " to the jar");
return;
}
addedFiles.insert(filename.fileName());
QLOG_INFO() << "Adding file " << filename.fileName() << " from "
<< filename.absoluteFilePath();
}
else if (mod.type() == Mod::MOD_FOLDER)
{
auto filename = mod.filename();
QString what_to_zip = filename.absoluteFilePath();
QDir dir(what_to_zip);
dir.cdUp();
QString parent_dir = dir.absolutePath();
if (!JlCompress::compressSubDir(&zipOut, what_to_zip, parent_dir, true, addedFiles))
{
zipOut.close();
QFile::remove(runnableJar.filePath());
emitFailed("Failed to add " + filename.fileName() + " to the jar");
return;
}
QLOG_INFO() << "Adding folder " << filename.fileName() << " from "
<< filename.absoluteFilePath();
}
}
if (!MergeZipFiles(&zipOut, baseJar, addedFiles, LegacyUpdate::IgnoreMetainf))
{
zipOut.close();
QFile::remove(runnableJar.filePath());
emitFailed("Failed to insert minecraft.jar contents.");
return;
}
// Recompress the jar
zipOut.close();
if (zipOut.getZipError() != 0)
{
QFile::remove(runnableJar.filePath());
emitFailed("Failed to finalize minecraft.jar!");
return;
}
inst->setShouldRebuild(false);
// inst->UpdateVersion(true);
emitSucceeded();
return;
}
void ModderTask::TaskStart()
{
// Get the mod list
const ModList *modList = m_inst->GetModList();
wxFileName mcBin = m_inst->GetBinDir();
wxFileName mcJar = m_inst->GetMCJar();
wxFileName mcBackup = m_inst->GetMCBackup();
SetStatus(_("Installing mods - backing up minecraft.jar..."));
if (!mcBackup.FileExists() && !wxCopyFile(mcJar.GetFullPath(), mcBackup.GetFullPath()))
{
OnFail(_("Failed to back up minecraft.jar"));
return;
}
if (mcJar.FileExists() && !wxRemoveFile(mcJar.GetFullPath()))
{
OnFail(_("Failed to delete old minecraft.jar"));
return;
}
if (TestDestroy())
return;
TaskStep(); // STEP 1
SetStatus(_("Installing mods - Opening minecraft.jar"));
wxFFileOutputStream jarStream(mcJar.GetFullPath());
wxZipOutputStream zipOut(jarStream);
{
wxFFileInputStream inStream(mcBackup.GetFullPath());
wxZipInputStream zipIn(inStream);
std::auto_ptr<wxZipEntry> entry;
while (entry.reset(zipIn.GetNextEntry()), entry.get() != NULL)
if (!entry->GetName().Matches(_("META-INF*")))
if (!zipOut.CopyEntry(entry.release(), zipIn))
break;
}
// Modify the jar
TaskStep(); // STEP 2
SetStatus(_("Installing mods - Adding mod files..."));
for (ConstModIterator iter = modList->begin(); iter != modList->end(); iter++)
{
wxFileName modFileName = iter->GetFileName();
SetStatus(_("Installing mods - Adding ") + modFileName.GetFullName());
if (iter->IsZipMod())
{
wxFFileInputStream modStream(modFileName.GetFullPath());
TransferZipArchive(modStream, zipOut);
}
else
{
wxFileName destFileName = modFileName;
destFileName.MakeRelativeTo(m_inst->GetInstModsDir().GetFullPath());
wxFFileInputStream input(modFileName.GetFullPath());
zipOut.PutNextEntry(destFileName.GetFullPath());
zipOut.Write(input);
}
}
// Recompress the jar
TaskStep(); // STEP 3
SetStatus(_("Installing mods - Recompressing jar..."));
m_inst->SetNeedsRebuild(false);
}
