271 lines
9.5 KiB
C++
271 lines
9.5 KiB
C++
// SPDX-License-Identifier: GPL-3.0-only
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/*
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* Prism Launcher - Minecraft Launcher
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* Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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* This file incorporates work covered by the following copyright and
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* permission notice:
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*
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* Copyright 2013-2021 MultiMC Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "LauncherPartLaunch.h"
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#include <QRegularExpression>
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#include <QStandardPaths>
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#include "Application.h"
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#include "Commandline.h"
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#include "FileSystem.h"
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#include "launch/LaunchTask.h"
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#include "minecraft/MinecraftInstance.h"
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#ifdef Q_OS_LINUX
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#include "gamemode_client.h"
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#endif
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LauncherPartLaunch::LauncherPartLaunch(LaunchTask* parent) : LaunchStep(parent)
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{
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auto instance = parent->instance();
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if (instance->settings()->get("CloseAfterLaunch").toBool()) {
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std::shared_ptr<QMetaObject::Connection> connection{ new QMetaObject::Connection };
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*connection = connect(&m_process, &LoggedProcess::log, this, [=](QStringList lines, [[maybe_unused]] MessageLevel::Enum level) {
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qDebug() << lines;
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if (lines.filter(QRegularExpression(".*Setting user.+", QRegularExpression::CaseInsensitiveOption)).length() != 0) {
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APPLICATION->closeAllWindows();
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disconnect(*connection);
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}
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});
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}
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connect(&m_process, &LoggedProcess::log, this, &LauncherPartLaunch::logLines);
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connect(&m_process, &LoggedProcess::stateChanged, this, &LauncherPartLaunch::on_state);
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}
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#ifdef Q_OS_WIN
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// returns 8.3 file format from long path
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#include <windows.h>
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QString shortPathName(const QString& file)
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{
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auto input = file.toStdWString();
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std::wstring output;
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long length = GetShortPathNameW(input.c_str(), NULL, 0);
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// NOTE: this resizing might seem weird...
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// when GetShortPathNameW fails, it returns length including null character
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// when it succeeds, it returns length excluding null character
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// See: https://msdn.microsoft.com/en-us/library/windows/desktop/aa364989(v=vs.85).aspx
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output.resize(length);
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GetShortPathNameW(input.c_str(), (LPWSTR)output.c_str(), length);
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output.resize(length - 1);
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QString ret = QString::fromStdWString(output);
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return ret;
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}
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#endif
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// if the string survives roundtrip through local 8bit encoding...
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bool fitsInLocal8bit(const QString& string)
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{
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return string == QString::fromLocal8Bit(string.toLocal8Bit());
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}
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void LauncherPartLaunch::executeTask()
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{
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QString jarPath = APPLICATION->getJarPath("NewLaunch.jar");
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if (jarPath.isEmpty()) {
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const char* reason = QT_TR_NOOP("Launcher library could not be found. Please check your installation.");
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emit logLine(tr(reason), MessageLevel::Fatal);
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emitFailed(tr(reason));
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return;
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}
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auto instance = m_parent->instance();
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std::shared_ptr<MinecraftInstance> minecraftInstance = std::dynamic_pointer_cast<MinecraftInstance>(instance);
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QString legacyJarPath;
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if (minecraftInstance->getLauncher() == "legacy" || minecraftInstance->shouldApplyOnlineFixes()) {
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legacyJarPath = APPLICATION->getJarPath("NewLaunchLegacy.jar");
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if (legacyJarPath.isEmpty()) {
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const char* reason = QT_TR_NOOP("Legacy launcher library could not be found. Please check your installation.");
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emit logLine(tr(reason), MessageLevel::Fatal);
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emitFailed(tr(reason));
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return;
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}
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}
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m_launchScript = minecraftInstance->createLaunchScript(m_session, m_serverToJoin);
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QStringList args = minecraftInstance->javaArguments();
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QString allArgs = args.join(", ");
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emit logLine("Java Arguments:\n[" + m_parent->censorPrivateInfo(allArgs) + "]\n\n", MessageLevel::Launcher);
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auto javaPath = FS::ResolveExecutable(instance->settings()->get("JavaPath").toString());
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m_process.setProcessEnvironment(instance->createLaunchEnvironment());
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// make detachable - this will keep the process running even if the object is destroyed
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m_process.setDetachable(true);
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auto classPath = minecraftInstance->getClassPath();
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classPath.prepend(jarPath);
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if (!legacyJarPath.isEmpty())
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classPath.prepend(legacyJarPath);
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auto natPath = minecraftInstance->getNativePath();
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#ifdef Q_OS_WIN
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if (!fitsInLocal8bit(natPath)) {
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args << "-Djava.library.path=" + shortPathName(natPath);
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} else {
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args << "-Djava.library.path=" + natPath;
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}
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#else
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args << "-Djava.library.path=" + natPath;
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#endif
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args << "-cp";
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#ifdef Q_OS_WIN
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QStringList processed;
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for (auto& item : classPath) {
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if (!fitsInLocal8bit(item)) {
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processed << shortPathName(item);
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} else {
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processed << item;
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}
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}
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args << processed.join(';');
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#else
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args << classPath.join(':');
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#endif
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args << "org.prismlauncher.EntryPoint";
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qDebug() << args.join(' ');
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QString wrapperCommandStr = instance->getWrapperCommand().trimmed();
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if (!wrapperCommandStr.isEmpty()) {
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auto wrapperArgs = Commandline::splitArgs(wrapperCommandStr);
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auto wrapperCommand = wrapperArgs.takeFirst();
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auto realWrapperCommand = QStandardPaths::findExecutable(wrapperCommand);
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if (realWrapperCommand.isEmpty()) {
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const char* reason = QT_TR_NOOP("The wrapper command \"%1\" couldn't be found.");
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emit logLine(QString(reason).arg(wrapperCommand), MessageLevel::Fatal);
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emitFailed(tr(reason).arg(wrapperCommand));
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return;
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}
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emit logLine("Wrapper command is:\n" + wrapperCommandStr + "\n\n", MessageLevel::Launcher);
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args.prepend(javaPath);
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m_process.start(wrapperCommand, wrapperArgs + args);
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} else {
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m_process.start(javaPath, args);
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}
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#ifdef Q_OS_LINUX
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if (instance->settings()->get("EnableFeralGamemode").toBool() && APPLICATION->capabilities() & Application::SupportsGameMode) {
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auto pid = m_process.processId();
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if (pid) {
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gamemode_request_start_for(pid);
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}
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}
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#endif
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}
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void LauncherPartLaunch::on_state(LoggedProcess::State state)
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{
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switch (state) {
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case LoggedProcess::FailedToStart: {
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//: Error message displayed if instace can't start
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const char* reason = QT_TR_NOOP("Could not launch Minecraft!");
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emit logLine(reason, MessageLevel::Fatal);
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emitFailed(tr(reason));
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return;
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}
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case LoggedProcess::Aborted:
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case LoggedProcess::Crashed: {
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m_parent->setPid(-1);
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emitFailed(tr("Game crashed."));
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return;
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}
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case LoggedProcess::Finished: {
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auto instance = m_parent->instance();
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if (instance->settings()->get("CloseAfterLaunch").toBool())
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APPLICATION->showMainWindow();
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m_parent->setPid(-1);
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// if the exit code wasn't 0, report this as a crash
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auto exitCode = m_process.exitCode();
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if (exitCode != 0) {
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emitFailed(tr("Game crashed."));
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return;
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}
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// FIXME: make this work again
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// m_postlaunchprocess.processEnvironment().insert("INST_EXITCODE", QString(exitCode));
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// run post-exit
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emitSucceeded();
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break;
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}
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case LoggedProcess::Running:
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emit logLine(QString("Minecraft process ID: %1\n\n").arg(m_process.processId()), MessageLevel::Launcher);
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m_parent->setPid(m_process.processId());
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m_parent->instance()->setLastLaunch();
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// send the launch script to the launcher part
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m_process.write(m_launchScript.toUtf8());
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mayProceed = true;
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emit readyForLaunch();
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break;
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default:
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break;
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}
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}
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void LauncherPartLaunch::setWorkingDirectory(const QString& wd)
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{
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m_process.setWorkingDirectory(wd);
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}
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void LauncherPartLaunch::proceed()
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{
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if (mayProceed) {
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QString launchString("launch\n");
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m_process.write(launchString.toUtf8());
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mayProceed = false;
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}
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}
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bool LauncherPartLaunch::abort()
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{
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if (mayProceed) {
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mayProceed = false;
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QString launchString("abort\n");
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m_process.write(launchString.toUtf8());
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} else {
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auto state = m_process.state();
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if (state == LoggedProcess::Running || state == LoggedProcess::Starting) {
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m_process.kill();
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}
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}
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return true;
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}
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