149 lines
4.9 KiB
C++
149 lines
4.9 KiB
C++
/* 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 "DirectJavaLaunch.h"
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#include <launch/LaunchTask.h>
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#include <minecraft/MinecraftInstance.h>
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#include <FileSystem.h>
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#include <Commandline.h>
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#include <QStandardPaths>
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DirectJavaLaunch::DirectJavaLaunch(LaunchTask *parent) : LaunchStep(parent)
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{
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connect(&m_process, &LoggedProcess::log, this, &DirectJavaLaunch::logLines);
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connect(&m_process, &LoggedProcess::stateChanged, this, &DirectJavaLaunch::on_state);
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}
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void DirectJavaLaunch::executeTask()
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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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QStringList args = minecraftInstance->javaArguments();
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args.append("-Djava.library.path=" + minecraftInstance->getNativePath());
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auto classPathEntries = minecraftInstance->getClassPath();
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args.append("-cp");
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QString classpath;
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#ifdef Q_OS_WIN32
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classpath = classPathEntries.join(';');
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#else
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classpath = classPathEntries.join(':');
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#endif
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args.append(classpath);
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args.append(minecraftInstance->getMainClass());
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QString allArgs = args.join(", ");
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emit logLine("Java Arguments:\n[" + m_parent->censorPrivateInfo(allArgs) + "]\n\n", MessageLevel::MultiMC);
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auto javaPath = FS::ResolveExecutable(instance->settings()->get("JavaPath").toString());
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m_process.setProcessEnvironment(instance->createEnvironment());
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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 mcArgs = minecraftInstance->processMinecraftArgs(m_session, m_serverToJoin);
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args.append(mcArgs);
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QString wrapperCommandStr = instance->getWrapperCommand().trimmed();
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if(!wrapperCommandStr.isEmpty())
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{
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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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{
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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::MultiMC);
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args.prepend(javaPath);
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m_process.start(wrapperCommand, wrapperArgs + args);
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}
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else
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{
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m_process.start(javaPath, args);
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}
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}
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void DirectJavaLaunch::on_state(LoggedProcess::State state)
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{
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switch(state)
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{
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case LoggedProcess::FailedToStart:
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{
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//: Error message displayed if instance 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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{
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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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{
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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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{
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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::MultiMC);
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m_parent->setPid(m_process.processId());
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m_parent->instance()->setLastLaunch();
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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 DirectJavaLaunch::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 DirectJavaLaunch::proceed()
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{
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// nil
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}
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bool DirectJavaLaunch::abort()
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{
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auto state = m_process.state();
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if (state == LoggedProcess::Running || state == LoggedProcess::Starting)
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{
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m_process.kill();
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}
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return true;
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}
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