diff options
Diffstat (limited to 'meshmc/launcher/minecraft/launch/DirectJavaLaunch.cpp')
| -rw-r--r-- | meshmc/launcher/minecraft/launch/DirectJavaLaunch.cpp | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/meshmc/launcher/minecraft/launch/DirectJavaLaunch.cpp b/meshmc/launcher/minecraft/launch/DirectJavaLaunch.cpp new file mode 100644 index 0000000000..c1dc249eac --- /dev/null +++ b/meshmc/launcher/minecraft/launch/DirectJavaLaunch.cpp @@ -0,0 +1,173 @@ +/* SPDX-FileCopyrightText: 2026 Project Tick + * SPDX-FileContributor: Project Tick + * SPDX-License-Identifier: GPL-3.0-or-later + * + * MeshMC - A Custom Launcher for Minecraft + * Copyright (C) 2026 Project Tick + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + * + * This file incorporates work covered by the following copyright and + * permission notice: + * + * Copyright 2013-2021 MultiMC Contributors + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "DirectJavaLaunch.h" +#include <launch/LaunchTask.h> +#include <minecraft/MinecraftInstance.h> +#include <FileSystem.h> +#include <Commandline.h> +#include <QStandardPaths> + +DirectJavaLaunch::DirectJavaLaunch(LaunchTask* parent) : LaunchStep(parent) +{ + connect(&m_process, &LoggedProcess::log, this, &DirectJavaLaunch::logLines); + connect(&m_process, &LoggedProcess::stateChanged, this, + &DirectJavaLaunch::on_state); +} + +void DirectJavaLaunch::executeTask() +{ + auto instance = m_parent->instance(); + std::shared_ptr<MinecraftInstance> minecraftInstance = + std::dynamic_pointer_cast<MinecraftInstance>(instance); + QStringList args = minecraftInstance->javaArguments(); + + args.append("-Djava.library.path=" + minecraftInstance->getNativePath()); + + auto classPathEntries = minecraftInstance->getClassPath(); + args.append("-cp"); + QString classpath; +#ifdef Q_OS_WIN32 + classpath = classPathEntries.join(';'); +#else + classpath = classPathEntries.join(':'); +#endif + args.append(classpath); + args.append(minecraftInstance->getMainClass()); + + QString allArgs = args.join(", "); + emit logLine("Java Arguments:\n[" + m_parent->censorPrivateInfo(allArgs) + + "]\n\n", + MessageLevel::MeshMC); + + auto javaPath = + FS::ResolveExecutable(instance->settings()->get("JavaPath").toString()); + + m_process.setProcessEnvironment(instance->createEnvironment()); + + // make detachable - this will keep the process running even if the object + // is destroyed + m_process.setDetachable(true); + + auto mcArgs = + minecraftInstance->processMinecraftArgs(m_session, m_serverToJoin); + args.append(mcArgs); + + QString wrapperCommandStr = instance->getWrapperCommand().trimmed(); + if (!wrapperCommandStr.isEmpty()) { + auto wrapperArgs = Commandline::splitArgs(wrapperCommandStr); + auto wrapperCommand = wrapperArgs.takeFirst(); + auto realWrapperCommand = + QStandardPaths::findExecutable(wrapperCommand); + if (realWrapperCommand.isEmpty()) { + const char* reason = + QT_TR_NOOP("The wrapper command \"%1\" couldn't be found."); + emit logLine(QString(reason).arg(wrapperCommand), + MessageLevel::Fatal); + emitFailed(tr(reason).arg(wrapperCommand)); + return; + } + emit logLine("Wrapper command is:\n" + wrapperCommandStr + "\n\n", + MessageLevel::MeshMC); + args.prepend(javaPath); + m_process.start(wrapperCommand, wrapperArgs + args); + } else { + m_process.start(javaPath, args); + } +} + +void DirectJavaLaunch::on_state(LoggedProcess::State state) +{ + switch (state) { + case LoggedProcess::FailedToStart: { + //: Error message displayed if instance can't start + const char* reason = QT_TR_NOOP("Could not launch minecraft!"); + emit logLine(reason, MessageLevel::Fatal); + emitFailed(tr(reason)); + return; + } + case LoggedProcess::Aborted: + case LoggedProcess::Crashed: { + m_parent->setPid(-1); + emitFailed(tr("Game crashed.")); + return; + } + case LoggedProcess::Finished: { + m_parent->setPid(-1); + // if the exit code wasn't 0, report this as a crash + auto exitCode = m_process.exitCode(); + if (exitCode != 0) { + emitFailed(tr("Game crashed.")); + return; + } + // FIXME: make this work again + // m_postlaunchprocess.processEnvironment().insert("INST_EXITCODE", + // QString(exitCode)); run post-exit + emitSucceeded(); + break; + } + case LoggedProcess::Running: + emit logLine(QString("Minecraft process ID: %1\n\n") + .arg(m_process.processId()), + MessageLevel::MeshMC); + m_parent->setPid(m_process.processId()); + m_parent->instance()->setLastLaunch(); + break; + default: + break; + } +} + +void DirectJavaLaunch::setWorkingDirectory(const QString& wd) +{ + m_process.setWorkingDirectory(wd); +} + +void DirectJavaLaunch::proceed() +{ + // nil +} + +bool DirectJavaLaunch::abort() +{ + auto state = m_process.state(); + if (state == LoggedProcess::Running || state == LoggedProcess::Starting) { + m_process.kill(); + } + return true; +} |