pollymc/application/MultiMC.cpp

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#include "MultiMC.h"
#include "BuildConfig.h"
#include "pages/BasePageProvider.h"
#include "pages/global/MultiMCPage.h"
#include "pages/global/MinecraftPage.h"
#include "pages/global/JavaPage.h"
#include "pages/global/ProxyPage.h"
#include "pages/global/ExternalToolsPage.h"
#include "pages/global/AccountListPage.h"
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#include "pages/global/PasteEEPage.h"
#include <iostream>
#include <QDir>
#include <QFileInfo>
#include <QNetworkAccessManager>
#include <QTranslator>
#include <QLibraryInfo>
#include <QMessageBox>
#include <QStringList>
#include <QDesktopServices>
#include <QDebug>
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#include "InstanceList.h"
#include "auth/MojangAccountList.h"
#include "icons/IconList.h"
#include "minecraft/LwjglVersionList.h"
#include "minecraft/MinecraftVersionList.h"
#include "liteloader/LiteLoaderVersionList.h"
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#include "forge/ForgeVersionList.h"
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#include "net/HttpMetaCache.h"
#include "net/URLConstants.h"
#include "Env.h"
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#include "java/JavaUtils.h"
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#include "updater/UpdateChecker.h"
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#include "tools/JProfiler.h"
#include "tools/JVisualVM.h"
#include "tools/MCEditTool.h"
#include <xdgicon.h>
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#include "settings/INISettingsObject.h"
#include "settings/Setting.h"
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#include "trans/TranslationDownloader.h"
#include "resources/Resource.h"
#include "handlers/IconResourceHandler.h"
#include "handlers/WebResourceHandler.h"
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#include "ftb/FTBPlugin.h"
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#include <Commandline.h>
#include <FileSystem.h>
using namespace Commandline;
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MultiMC::MultiMC(int &argc, char **argv, bool test_mode) : QApplication(argc, argv)
{
setOrganizationName("MultiMC");
setApplicationName("MultiMC5");
startTime = QDateTime::currentDateTime();
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setAttribute(Qt::AA_UseHighDpiPixmaps);
// Don't quit on hiding the last window
this->setQuitOnLastWindowClosed(false);
// Commandline parsing
QHash<QString, QVariant> args;
{
Parser parser(FlagStyle::GNU, ArgumentStyle::SpaceAndEquals);
// --help
parser.addSwitch("help");
parser.addShortOpt("help", 'h');
parser.addDocumentation("help", "display this help and exit.");
// --version
parser.addSwitch("version");
parser.addShortOpt("version", 'V');
parser.addDocumentation("version", "display program version and exit.");
// --dir
parser.addOption("dir", applicationDirPath());
parser.addShortOpt("dir", 'd');
parser.addDocumentation("dir", "use the supplied directory as MultiMC root instead of "
"the binary location (use '.' for current)");
// --launch
parser.addOption("launch");
parser.addShortOpt("launch", 'l');
parser.addDocumentation("launch", "launch the specified instance (by instance ID)");
// parse the arguments
try
{
args = parser.parse(arguments());
}
catch (ParsingError e)
{
std::cerr << "CommandLineError: " << e.what() << std::endl;
std::cerr << "Try '%1 -h' to get help on MultiMC's command line parameters."
<< std::endl;
m_status = MultiMC::Failed;
return;
}
// display help and exit
if (args["help"].toBool())
{
std::cout << qPrintable(parser.compileHelp(arguments()[0]));
m_status = MultiMC::Succeeded;
return;
}
// display version and exit
if (args["version"].toBool())
{
std::cout << "Version " << BuildConfig.printableVersionString().toStdString() << std::endl;
std::cout << "Git " << BuildConfig.GIT_COMMIT.toStdString() << std::endl;
m_status = MultiMC::Succeeded;
return;
}
}
QString origcwdPath = QDir::currentPath();
QString binPath = applicationDirPath();
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QString adjustedBy;
QString dataPath;
// change directory
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QString dirParam = args["dir"].toString();
if (!dirParam.isEmpty())
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{
// the dir param. it makes multimc data path point to whatever the user specified
// on command line
adjustedBy += "Command line " + dirParam;
dataPath = dirParam;
}
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else
{
dataPath = applicationDirPath();
adjustedBy += "Fallback to binary path " + dataPath;
}
launchId = args["launch"].toString();
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if (!FS::ensureFolderPathExists(dataPath) || !QDir::setCurrent(dataPath))
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{
// BAD STUFF. WHAT DO?
initLogger();
qCritical() << "Failed to set work path. Will exit. NOW.";
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m_status = MultiMC::Failed;
return;
}
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// in test mode, root path is the same as the binary path.
if (test_mode)
{
rootPath = binPath;
}
else
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{
#ifdef Q_OS_LINUX
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QDir foo(FS::PathCombine(binPath, ".."));
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rootPath = foo.absolutePath();
#elif defined(Q_OS_WIN32)
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rootPath = binPath;
#elif defined(Q_OS_MAC)
QDir foo(FS::PathCombine(binPath, "../.."));
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rootPath = foo.absolutePath();
#endif
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}
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// init the logger
initLogger();
qDebug() << "MultiMC 5, (c) 2013-2015 MultiMC Contributors";
qDebug() << "Version : " << BuildConfig.printableVersionString();
qDebug() << "Git commit : " << BuildConfig.GIT_COMMIT;
qDebug() << "Git refspec : " << BuildConfig.GIT_REFSPEC;
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if (adjustedBy.size())
{
qDebug() << "Work dir before adjustment : " << origcwdPath;
qDebug() << "Work dir after adjustment : " << QDir::currentPath();
qDebug() << "Adjusted by : " << adjustedBy;
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}
else
{
qDebug() << "Work dir : " << QDir::currentPath();
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}
qDebug() << "Binary path : " << binPath;
qDebug() << "Application root path : " << rootPath;
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// load settings
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initGlobalSettings(test_mode);
// load translations
initTranslations();
// initialize the updater
if(BuildConfig.UPDATER_ENABLED)
{
m_updateChecker.reset(new UpdateChecker(BuildConfig.CHANLIST_URL, BuildConfig.VERSION_CHANNEL, BuildConfig.VERSION_BUILD));
}
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m_translationChecker.reset(new TranslationDownloader());
// load icons
initIcons();
// and instances
auto InstDirSetting = m_settings->getSetting("InstanceDir");
// instance path: check for problems with '!' in instance path and warn the user in the log
// and rememer that we have to show him a dialog when the gui starts (if it does so)
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QString instDir = m_settings->get("InstanceDir").toString();
qDebug() << "Instance path : " << instDir;
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if (FS::checkProblemticPathJava(QDir(instDir)))
{
qWarning()
<< "Your instance path contains \'!\' and this is known to cause java problems";
}
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m_instances.reset(new InstanceList(m_settings, InstDirSetting->get().toString(), this));
qDebug() << "Loading Instances...";
m_instances->loadList();
connect(InstDirSetting.get(), SIGNAL(SettingChanged(const Setting &, QVariant)),
m_instances.get(), SLOT(on_InstFolderChanged(const Setting &, QVariant)));
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// and accounts
m_accounts.reset(new MojangAccountList(this));
qDebug() << "Loading accounts...";
m_accounts->setListFilePath("accounts.json", true);
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m_accounts->loadList();
// init the http meta cache
ENV.initHttpMetaCache();
// create the global network manager
ENV.m_qnam.reset(new QNetworkAccessManager(this));
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// init proxy settings
{
QString proxyTypeStr = settings()->get("ProxyType").toString();
QString addr = settings()->get("ProxyAddr").toString();
int port = settings()->get("ProxyPort").value<qint16>();
QString user = settings()->get("ProxyUser").toString();
QString pass = settings()->get("ProxyPass").toString();
ENV.updateProxySettings(proxyTypeStr, addr, port, user, pass);
}
initSSL();
m_translationChecker->downloadTranslations();
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//FIXME: what to do with these?
m_profilers.insert("jprofiler",
std::shared_ptr<BaseProfilerFactory>(new JProfilerFactory()));
m_profilers.insert("jvisualvm",
std::shared_ptr<BaseProfilerFactory>(new JVisualVMFactory()));
for (auto profiler : m_profilers.values())
{
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profiler->registerSettings(m_settings);
}
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//FIXME: what to do with these?
m_tools.insert("mcedit", std::shared_ptr<BaseDetachedToolFactory>(new MCEditFactory()));
for (auto tool : m_tools.values())
{
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tool->registerSettings(m_settings);
}
connect(this, SIGNAL(aboutToQuit()), SLOT(onExit()));
m_status = MultiMC::Initialized;
}
MultiMC::~MultiMC()
{
if (m_mmc_translator)
{
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removeTranslator(m_mmc_translator.get());
}
if (m_qt_translator)
{
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removeTranslator(m_qt_translator.get());
}
}
#ifdef Q_OS_MAC
#include "CertWorkaround.h"
#endif
void MultiMC::initSSL()
{
#ifdef Q_OS_MAC
Q_INIT_RESOURCE(certs);
RebuildQtCertificates();
QFile equifaxFile(":/certs/Equifax_Secure_Certificate_Authority.pem");
equifaxFile.open(QIODevice::ReadOnly);
QSslCertificate equifaxCert(equifaxFile.readAll(), QSsl::Pem);
QSslSocket::addDefaultCaCertificate(equifaxCert);
#endif
}
void MultiMC::initTranslations()
{
QLocale locale(m_settings->get("Language").toString());
QLocale::setDefault(locale);
qDebug() << "Your language is" << locale.bcp47Name();
m_qt_translator.reset(new QTranslator());
if (m_qt_translator->load("qt_" + locale.bcp47Name(),
QLibraryInfo::location(QLibraryInfo::TranslationsPath)))
{
qDebug() << "Loading Qt Language File for"
<< locale.bcp47Name().toLocal8Bit().constData() << "...";
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if (!installTranslator(m_qt_translator.get()))
{
qCritical() << "Loading Qt Language File failed.";
m_qt_translator.reset();
}
}
else
{
m_qt_translator.reset();
}
m_mmc_translator.reset(new QTranslator());
if (m_mmc_translator->load("mmc_" + locale.bcp47Name(), FS::PathCombine(QDir::currentPath(), "translations")))
{
qDebug() << "Loading MMC Language File for"
<< locale.bcp47Name().toLocal8Bit().constData() << "...";
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if (!installTranslator(m_mmc_translator.get()))
{
qCritical() << "Loading MMC Language File failed.";
m_mmc_translator.reset();
}
}
else
{
m_mmc_translator.reset();
}
}
void MultiMC::initIcons()
{
auto setting = MMC->settings()->getSetting("IconsDir");
ENV.m_icons.reset(new IconList(QString(":/icons/instances/"), setting->get().toString()));
connect(setting.get(), &Setting::SettingChanged,[&](const Setting &, QVariant value)
{
ENV.m_icons->directoryChanged(value.toString());
});
//FIXME: none of this should be here.
Resource::registerHandler<WebResourceHandler>("web");
Resource::registerHandler<IconResourceHandler>("icon");
Resource::registerTransformer([](const QByteArray &data) -> QPixmap
{
return QPixmap::fromImage(QImage::fromData(data));
});
Resource::registerTransformer([](const QByteArray &data) -> QIcon
{
return QIcon(QPixmap::fromImage(QImage::fromData(data)));
});
}
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void moveFile(const QString &oldName, const QString &newName)
{
QFile::remove(newName);
QFile::copy(oldName, newName);
QFile::remove(oldName);
}
void appDebugOutput(QtMsgType type, const QMessageLogContext &context, const QString &msg)
{
const char *levels = "DWCF";
const QString format("%1 %2 %3\n");
qint64 msecstotal = MMC->timeSinceStart();
qint64 seconds = msecstotal / 1000;
qint64 msecs = msecstotal % 1000;
QString foo;
char buf[1025] = {0};
::snprintf(buf, 1024, "%5lld.%03lld", seconds, msecs);
QString out = format.arg(buf).arg(levels[type]).arg(msg);
MMC->logFile->write(out.toUtf8());
MMC->logFile->flush();
QTextStream(stderr) << out.toLocal8Bit();
fflush(stderr);
}
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void MultiMC::initLogger()
{
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static const QString logBase = "MultiMC-%0.log";
moveFile(logBase.arg(3), logBase.arg(4));
moveFile(logBase.arg(2), logBase.arg(3));
moveFile(logBase.arg(1), logBase.arg(2));
moveFile(logBase.arg(0), logBase.arg(1));
qInstallMessageHandler(appDebugOutput);
logFile = std::make_shared<QFile>(logBase.arg(0));
logFile->open(QIODevice::WriteOnly | QIODevice::Text | QIODevice::Truncate);
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}
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void MultiMC::initGlobalSettings(bool test_mode)
{
m_settings.reset(new INISettingsObject("multimc.cfg", this));
// Updates
m_settings->registerSetting("UpdateChannel", BuildConfig.VERSION_CHANNEL);
m_settings->registerSetting("AutoUpdate", true);
m_settings->registerSetting("IconTheme", QString("multimc"));
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// Notifications
m_settings->registerSetting("ShownNotifications", QString());
// Remembered state
m_settings->registerSetting("LastUsedGroupForNewInstance", QString());
QString defaultMonospace;
int defaultSize = 11;
#ifdef Q_OS_WIN32
defaultMonospace = "Courier";
defaultSize = 10;
#elif defined(Q_OS_MAC)
defaultMonospace = "Menlo";
#else
defaultMonospace = "Monospace";
#endif
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if(!test_mode)
{
// resolve the font so the default actually matches
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QFont consoleFont;
consoleFont.setFamily(defaultMonospace);
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consoleFont.setStyleHint(QFont::Monospace);
consoleFont.setFixedPitch(true);
QFontInfo consoleFontInfo(consoleFont);
QString resolvedDefaultMonospace = consoleFontInfo.family();
QFont resolvedFont(resolvedDefaultMonospace);
qDebug() << "Detected default console font:" << resolvedDefaultMonospace
<< ", substitutions:" << resolvedFont.substitutions().join(',');
m_settings->registerSetting("ConsoleFont", resolvedDefaultMonospace);
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}
else
{
// in test mode, we don't have UI, so we don't do any font resolving
m_settings->registerSetting("ConsoleFont", defaultMonospace);
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}
m_settings->registerSetting("ConsoleFontSize", defaultSize);
m_settings->registerSetting("ConsoleMaxLines", 100000);
m_settings->registerSetting("ConsoleOverflowStop", true);
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FTBPlugin::initialize(m_settings);
// Folders
m_settings->registerSetting("InstanceDir", "instances");
m_settings->registerSetting({"CentralModsDir", "ModsDir"}, "mods");
m_settings->registerSetting({"LWJGLDir", "LwjglDir"}, "lwjgl");
m_settings->registerSetting("IconsDir", "icons");
// Editors
m_settings->registerSetting("JsonEditor", QString());
// Language
m_settings->registerSetting("Language", QLocale(QLocale::system().language()).bcp47Name());
// Console
m_settings->registerSetting("ShowConsole", true);
m_settings->registerSetting("RaiseConsole", true);
m_settings->registerSetting("AutoCloseConsole", true);
m_settings->registerSetting("LogPrePostOutput", true);
// Console Colors
// m_settings->registerSetting("SysMessageColor", QColor(Qt::blue));
// m_settings->registerSetting("StdOutColor", QColor(Qt::black));
// m_settings->registerSetting("StdErrColor", QColor(Qt::red));
// Window Size
m_settings->registerSetting({"LaunchMaximized", "MCWindowMaximize"}, false);
m_settings->registerSetting({"MinecraftWinWidth", "MCWindowWidth"}, 854);
m_settings->registerSetting({"MinecraftWinHeight", "MCWindowHeight"}, 480);
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// Proxy Settings
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m_settings->registerSetting("ProxyType", "None");
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m_settings->registerSetting({"ProxyAddr", "ProxyHostName"}, "127.0.0.1");
m_settings->registerSetting("ProxyPort", 8080);
m_settings->registerSetting({"ProxyUser", "ProxyUsername"}, "");
m_settings->registerSetting({"ProxyPass", "ProxyPassword"}, "");
// Memory
m_settings->registerSetting({"MinMemAlloc", "MinMemoryAlloc"}, 512);
m_settings->registerSetting({"MaxMemAlloc", "MaxMemoryAlloc"}, 1024);
m_settings->registerSetting("PermGen", 128);
// Java Settings
m_settings->registerSetting("JavaPath", "");
m_settings->registerSetting("JavaTimestamp", 0);
m_settings->registerSetting("JavaVersion", "");
m_settings->registerSetting("LastHostname", "");
m_settings->registerSetting("JavaDetectionHack", "");
m_settings->registerSetting("JvmArgs", "");
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// Wrapper command for launch
m_settings->registerSetting("WrapperCommand", "");
// Custom Commands
m_settings->registerSetting({"PreLaunchCommand", "PreLaunchCmd"}, "");
m_settings->registerSetting({"PostExitCommand", "PostExitCmd"}, "");
// The cat
m_settings->registerSetting("TheCat", false);
m_settings->registerSetting("InstSortMode", "Name");
m_settings->registerSetting("SelectedInstance", QString());
// Window state and geometry
m_settings->registerSetting("MainWindowState", "");
m_settings->registerSetting("MainWindowGeometry", "");
m_settings->registerSetting("ConsoleWindowState", "");
m_settings->registerSetting("ConsoleWindowGeometry", "");
m_settings->registerSetting("SettingsGeometry", "");
m_settings->registerSetting("PagedGeometry", "");
// Jar mod nag dialog in version page
m_settings->registerSetting("JarModNagSeen", false);
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// paste.ee API key
m_settings->registerSetting("PasteEEAPIKey", "multimc");
// Init page provider
{
m_globalSettingsProvider = std::make_shared<GenericPageProvider>(tr("Settings"));
m_globalSettingsProvider->addPage<MultiMCPage>();
m_globalSettingsProvider->addPage<MinecraftPage>();
m_globalSettingsProvider->addPage<JavaPage>();
m_globalSettingsProvider->addPage<ProxyPage>();
m_globalSettingsProvider->addPage<ExternalToolsPage>();
m_globalSettingsProvider->addPage<AccountListPage>();
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m_globalSettingsProvider->addPage<PasteEEPage>();
}
}
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std::shared_ptr<LWJGLVersionList> MultiMC::lwjgllist()
{
if (!m_lwjgllist)
{
m_lwjgllist.reset(new LWJGLVersionList());
ENV.registerVersionList("org.lwjgl.legacy", m_lwjgllist);
}
return m_lwjgllist;
}
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std::shared_ptr<ForgeVersionList> MultiMC::forgelist()
{
if (!m_forgelist)
{
m_forgelist.reset(new ForgeVersionList());
ENV.registerVersionList("net.minecraftforge", m_forgelist);
}
return m_forgelist;
}
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std::shared_ptr<LiteLoaderVersionList> MultiMC::liteloaderlist()
{
if (!m_liteloaderlist)
{
m_liteloaderlist.reset(new LiteLoaderVersionList());
ENV.registerVersionList("com.mumfrey.liteloader", m_liteloaderlist);
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}
return m_liteloaderlist;
}
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std::shared_ptr<MinecraftVersionList> MultiMC::minecraftlist()
{
if (!m_minecraftlist)
{
m_minecraftlist.reset(new MinecraftVersionList());
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ENV.registerVersionList("net.minecraft", m_minecraftlist);
}
return m_minecraftlist;
}
std::shared_ptr<JavaInstallList> MultiMC::javalist()
{
if (!m_javalist)
{
m_javalist.reset(new JavaInstallList());
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ENV.registerVersionList("com.java", m_javalist);
}
return m_javalist;
}
// from <sys/stat.h>
#ifndef S_IRUSR
#define __S_IREAD 0400 /* Read by owner. */
#define __S_IWRITE 0200 /* Write by owner. */
#define __S_IEXEC 0100 /* Execute by owner. */
#define S_IRUSR __S_IREAD /* Read by owner. */
#define S_IWUSR __S_IWRITE /* Write by owner. */
#define S_IXUSR __S_IEXEC /* Execute by owner. */
#define S_IRGRP (S_IRUSR >> 3) /* Read by group. */
#define S_IWGRP (S_IWUSR >> 3) /* Write by group. */
#define S_IXGRP (S_IXUSR >> 3) /* Execute by group. */
#define S_IROTH (S_IRGRP >> 3) /* Read by others. */
#define S_IWOTH (S_IWGRP >> 3) /* Write by others. */
#define S_IXOTH (S_IXGRP >> 3) /* Execute by others. */
#endif
static QFile::Permissions unixModeToPermissions(const int mode)
{
QFile::Permissions perms;
if (mode & S_IRUSR)
{
perms |= QFile::ReadUser;
}
if (mode & S_IWUSR)
{
perms |= QFile::WriteUser;
}
if (mode & S_IXUSR)
{
perms |= QFile::ExeUser;
}
if (mode & S_IRGRP)
{
perms |= QFile::ReadGroup;
}
if (mode & S_IWGRP)
{
perms |= QFile::WriteGroup;
}
if (mode & S_IXGRP)
{
perms |= QFile::ExeGroup;
}
if (mode & S_IROTH)
{
perms |= QFile::ReadOther;
}
if (mode & S_IWOTH)
{
perms |= QFile::WriteOther;
}
if (mode & S_IXOTH)
{
perms |= QFile::ExeOther;
}
return perms;
}
void MultiMC::installUpdates(const QString updateFilesDir, GoUpdate::OperationList operations)
{
qint64 pid = -1;
QStringList args;
bool started = false;
qDebug() << "Installing updates.";
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#ifdef Q_OS_WIN
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QString finishCmd = applicationFilePath();
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#elif defined Q_OS_LINUX
QString finishCmd = FS::PathCombine(root(), "MultiMC");
#elif defined Q_OS_MAC
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QString finishCmd = applicationFilePath();
#else
#error Unsupported operating system.
#endif
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QString backupPath = FS::PathCombine(root(), "update", "backup");
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QDir origin(root());
// clean up the backup folder. it should be empty before we start
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if(!FS::deletePath(backupPath))
{
qWarning() << "couldn't remove previous backup folder" << backupPath;
}
// and it should exist.
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if(!FS::ensureFolderPathExists(backupPath))
{
qWarning() << "couldn't create folder" << backupPath;
return;
}
struct BackupEntry
{
QString orig;
QString backup;
};
enum Failure
{
Replace,
Delete,
Start,
Nothing
} failedOperationType = Nothing;
QString failedFile;
QList <BackupEntry> backups;
QList <BackupEntry> trashcan;
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bool useXPHack = false;
QString exePath;
QString exeOrigin;
QString exeBackup;
// perform the update operations
for(auto op: operations)
{
switch(op.type)
{
// replace = move original out to backup, if it exists, move the new file in its place
case GoUpdate::Operation::OP_REPLACE:
{
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QFileInfo replaced (FS::PathCombine(root(), op.dest));
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#ifdef Q_OS_WIN32
if(QSysInfo::windowsVersion() < QSysInfo::WV_VISTA)
{
if(replaced.fileName() == "MultiMC.exe")
{
QDir rootDir(root());
exeOrigin = rootDir.relativeFilePath(op.file);
exePath = rootDir.relativeFilePath(op.dest);
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exeBackup = rootDir.relativeFilePath(FS::PathCombine(backupPath, replaced.fileName()));
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useXPHack = true;
continue;
}
}
#endif
if(replaced.exists())
{
QString backupName = op.dest;
backupName.replace('/', '_');
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QString backupFilePath = FS::PathCombine(backupPath, backupName);
if(!QFile::rename(replaced.absoluteFilePath(), backupFilePath))
{
qWarning() << "Couldn't move:" << replaced.absoluteFilePath() << "to" << backupFilePath;
failedOperationType = Replace;
failedFile = op.dest;
goto FAILED;
}
BackupEntry be;
be.orig = replaced.absoluteFilePath();
be.backup = backupFilePath;
backups.append(be);
}
// make sure the folder we are putting this into exists
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if(!FS::ensureFilePathExists(replaced.absoluteFilePath()))
{
qWarning() << "REPLACE: Couldn't create folder:" << replaced.absoluteFilePath();
failedOperationType = Replace;
failedFile = op.dest;
goto FAILED;
}
// now move the new file in
if(!QFile::rename(op.file, replaced.absoluteFilePath()))
{
qWarning() << "REPLACE: Couldn't move:" << op.file << "to" << replaced.absoluteFilePath();
failedOperationType = Replace;
failedFile = op.dest;
goto FAILED;
}
QFile::setPermissions(replaced.absoluteFilePath(), unixModeToPermissions(op.mode));
}
break;
// delete = move original to backup
case GoUpdate::Operation::OP_DELETE:
{
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QString origFilePath = FS::PathCombine(root(), op.file);
if(QFile::exists(origFilePath))
{
QString backupName = op.file;
backupName.replace('/', '_');
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QString trashFilePath = FS::PathCombine(backupPath, backupName);
if(!QFile::rename(origFilePath, trashFilePath))
{
qWarning() << "DELETE: Couldn't move:" << op.file << "to" << trashFilePath;
failedFile = op.file;
failedOperationType = Delete;
goto FAILED;
}
BackupEntry be;
be.orig = origFilePath;
be.backup = trashFilePath;
trashcan.append(be);
}
}
break;
}
}
// try to start the new binary
args = qApp->arguments();
args.removeFirst();
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// on old Windows, do insane things... no error checking here, this is just to have something.
if(useXPHack)
{
QString script;
auto nativePath = QDir::toNativeSeparators(exePath);
auto nativeOriginPath = QDir::toNativeSeparators(exeOrigin);
auto nativeBackupPath = QDir::toNativeSeparators(exeBackup);
// so we write this vbscript thing...
QTextStream out(&script);
out << "WScript.Sleep 1000\n";
out << "Set fso=CreateObject(\"Scripting.FileSystemObject\")\n";
out << "Set shell=CreateObject(\"WScript.Shell\")\n";
out << "fso.MoveFile \"" << nativePath << "\", \"" << nativeBackupPath << "\"\n";
out << "fso.MoveFile \"" << nativeOriginPath << "\", \"" << nativePath << "\"\n";
out << "shell.Run \"" << nativePath << "\"\n";
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QString scriptPath = FS::PathCombine(root(), "update", "update.vbs");
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// we save it
QFile scriptFile(scriptPath);
scriptFile.open(QIODevice::WriteOnly);
scriptFile.write(script.toLocal8Bit().replace("\n", "\r\n"));
scriptFile.close();
// we run it
started = QProcess::startDetached("wscript", {scriptPath}, root());
// and we quit. conscious thought.
qApp->quit();
return;
}
started = QProcess::startDetached(finishCmd, args, QDir::currentPath(), &pid);
// failed to start... ?
if(!started || pid == -1)
{
qWarning() << "Couldn't start new process properly!";
failedOperationType = Start;
goto FAILED;
}
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origin.rmdir(updateFilesDir);
qApp->quit();
return;
FAILED:
qWarning() << "Update failed!";
bool revertOK = true;
// if the above failed, roll back changes
for(auto backup:backups)
{
qWarning() << "restoring" << backup.orig << "from" << backup.backup;
if(!QFile::remove(backup.orig))
{
revertOK = false;
qWarning() << "removing new" << backup.orig << "failed!";
continue;
}
if(!QFile::rename(backup.backup, backup.orig))
{
revertOK = false;
qWarning() << "restoring" << backup.orig << "failed!";
}
}
for(auto backup:trashcan)
{
qWarning() << "restoring" << backup.orig << "from" << backup.backup;
if(!QFile::rename(backup.backup, backup.orig))
{
revertOK = false;
qWarning() << "restoring" << backup.orig << "failed!";
}
}
QString msg;
if(!revertOK)
{
msg = tr("The update failed and then the update revert failed too.\n"
"You will have to repair MultiMC manually.\n"
"Please let us know why and how this happened.").arg(failedFile);
}
else switch (failedOperationType)
{
case Replace:
msg = tr("Couldn't replace file %1. Changes were reverted.\n"
"See the MultiMC log file for details.").arg(failedFile);
break;
case Delete:
msg = tr("Couldn't remove file %1. Changes were reverted.\n"
"See the MultiMC log file for details.").arg(failedFile);
break;
case Start:
msg = tr("The new version didn't start and the update was rolled back.");
break;
case Nothing:
default:
return;
}
QMessageBox::critical(nullptr, tr("Update failed!"), msg);
}
void MultiMC::setIconTheme(const QString& name)
{
XdgIcon::setThemeName(name);
IconResourceHandler::setTheme(name);
}
QIcon MultiMC::getThemedIcon(const QString& name)
{
return XdgIcon::fromTheme(name);
}
void MultiMC::onExit()
{
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if(m_instances)
{
m_instances->saveGroupList();
}
ENV.destroy();
if(logFile)
{
logFile->flush();
logFile->close();
}
}
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bool MultiMC::openJsonEditor(const QString &filename)
{
const QString file = QDir::current().absoluteFilePath(filename);
if (m_settings->get("JsonEditor").toString().isEmpty())
{
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return QDesktopServices::openUrl(QUrl::fromLocalFile(file));
}
else
{
return QProcess::startDetached(m_settings->get("JsonEditor").toString(), QStringList()
<< file);
}
}
#include "MultiMC.moc"