path: root/application/MultiMC.cpp

#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"
#include "pages/global/PasteEEPage.h"

#include <iostream>
#include <QDir>
#include <QFileInfo>
#include <QNetworkAccessManager>
#include <QTranslator>
#include <QLibraryInfo>
#include <QMessageBox>
#include <QStringList>
#include <QDebug>

#include "InstanceList.h"
#include "auth/MojangAccountList.h"
#include "icons/IconList.h"
#include "minecraft/LwjglVersionList.h"
#include "minecraft/MinecraftVersionList.h"
#include "liteloader/LiteLoaderVersionList.h"

#include "forge/ForgeVersionList.h"

#include "net/HttpMetaCache.h"
#include "net/URLConstants.h"
#include "Env.h"

#include "java/JavaUtils.h"

#include "updater/UpdateChecker.h"

#include "tools/JProfiler.h"
#include "tools/JVisualVM.h"
#include "tools/MCEditTool.h"

#include <xdgicon.h>
#include "settings/INISettingsObject.h"
#include "settings/Setting.h"

#include "trans/TranslationDownloader.h"
#include "resources/Resource.h"
#include "handlers/IconResourceHandler.h"
#include "handlers/WebResourceHandler.h"

#include "ftb/FTBPlugin.h"

#include <Commandline.h>
#include <FileSystem.h>
#include <DesktopServices.h>

using namespace Commandline;

MultiMC::MultiMC(int &argc, char **argv, bool test_mode) : QApplication(argc, argv)
{
	setOrganizationName("MultiMC");
	setApplicationName("MultiMC5");

	startTime = QDateTime::currentDateTime();

	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();
	QString adjustedBy;
	QString dataPath;
	// change directory
	QString dirParam = args["dir"].toString();
	if (!dirParam.isEmpty())
	{
		// the dir param. it makes multimc data path point to whatever the user specified
		// on command line
		adjustedBy += "Command line " + dirParam;
		dataPath = dirParam;
	}
	else
	{
		dataPath = applicationDirPath();
		adjustedBy += "Fallback to binary path " + dataPath;
	}

	launchId = args["launch"].toString();

	if (!FS::ensureFolderPathExists(dataPath) || !QDir::setCurrent(dataPath))
	{
		// BAD STUFF. WHAT DO?
		initLogger();
		qCritical() << "Failed to set work path. Will exit. NOW.";
		m_status = MultiMC::Failed;
		return;
	}

	// in test mode, root path is the same as the binary path.
	if (test_mode)
	{
		rootPath = binPath;
	}
	else
	{
#ifdef Q_OS_LINUX
		QDir foo(FS::PathCombine(binPath, ".."));
		rootPath = foo.absolutePath();
#elif defined(Q_OS_WIN32)
		rootPath = binPath;
#elif defined(Q_OS_MAC)
		QDir foo(FS::PathCombine(binPath, "../.."));
		rootPath = foo.absolutePath();
#endif
	}

	// init the logger
	initLogger();

	qDebug() << "MultiMC 5, (c) 2013-2015 MultiMC Contributors";
	qDebug() << "Version                    : " << BuildConfig.printableVersionString();
	qDebug