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Diffstat (limited to 'backend/MinecraftProcess.cpp')
| -rw-r--r-- | backend/MinecraftProcess.cpp | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/backend/MinecraftProcess.cpp b/backend/MinecraftProcess.cpp new file mode 100644 index 00000000..e53feb5b --- /dev/null +++ b/backend/MinecraftProcess.cpp @@ -0,0 +1,229 @@ +/* Copyright 2013 MultiMC Contributors + * + * Authors: Orochimarufan <orochimarufan.x3@gmail.com> + * + * 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 "MinecraftProcess.h" + +#include <QDataStream> +#include <QFile> +#include <QDir> +//#include <QImage> +#include <QProcessEnvironment> + +#include "BaseInstance.h" + +#include "osutils.h" +#include "pathutils.h" +#include "cmdutils.h" + +#define LAUNCHER_FILE "MultiMCLauncher.jar" +#define IBUS "@im=ibus" + +// prepare tools +inline void MinecraftProcess::extractIcon(BaseInstance *inst, QString destination) +{ +// QImage(":/icons/instances/" + inst->iconKey()).save(destination); +} + +inline void MinecraftProcess::extractLauncher(QString destination) +{ + QFile(":/launcher/launcher.jar").copy(destination); +} + +void MinecraftProcess::prepare(BaseInstance *inst) +{ + extractLauncher(PathCombine(inst->minecraftDir(), LAUNCHER_FILE)); + extractIcon(inst, PathCombine(inst->minecraftDir(), "icon.png")); +} + +// constructor +MinecraftProcess::MinecraftProcess(BaseInstance *inst, QString user, QString session) : + m_instance(inst), m_user(user), m_session(session) +{ + connect(this, SIGNAL(finished(int, QProcess::ExitStatus)), SLOT(finish(int, QProcess::ExitStatus))); + + // prepare the process environment + QProcessEnvironment env = QProcessEnvironment::systemEnvironment(); + +#ifdef LINUX + // Strip IBus + if (env.value("XMODIFIERS").contains(IBUS)) + env.insert("XMODIFIERS", env.value("XMODIFIERS").replace(IBUS, "")); +#endif + + // export some infos + env.insert("INST_NAME", inst->name()); + env.insert("INST_ID", inst->id()); + env.insert("INST_DIR", QDir(inst->rootDir()).absolutePath()); + + this->setProcessEnvironment(env); + m_prepostlaunchprocess.setProcessEnvironment(env); + + // set the cwd + QDir mcDir(inst->minecraftDir()); + this->setWorkingDirectory(mcDir.absolutePath()); + m_prepostlaunchprocess.setWorkingDirectory(mcDir.absolutePath()); + + // std channels + connect(this, SIGNAL(readyReadStandardError()), SLOT(on_stdErr())); + connect(this, SIGNAL(readyReadStandardOutput()), SLOT(on_stdOut())); +} + +// console window +void MinecraftProcess::on_stdErr() +{ + QByteArray data = readAllStandardError(); + QString str = m_err_leftover + QString::fromLocal8Bit(data); + m_err_leftover.clear(); + QStringList lines = str.split("\n"); + bool complete = str.endsWith("\n"); + + for(int i = 0; i < lines.size() - 1; i++) + { + QString & line = lines[i]; + MessageLevel::Enum level = MessageLevel::Error; + if(line.contains("[INFO]") || line.contains("[CONFIG]") || line.contains("[FINE]") || line.contains("[FINER]") || line.contains("[FINEST]") ) + level = MessageLevel::Message; + if(line.contains("[SEVERE]") || line.contains("[WARNING]") || line.contains("[STDERR]")) + level = MessageLevel::Error; + emit log(lines[i].toLocal8Bit(), level); + } + if(!complete) + m_err_leftover = lines.last(); +} + +void MinecraftProcess::on_stdOut() +{ + QByteArray data = readAllStandardOutput(); + QString str = m_out_leftover + QString::fromLocal8Bit(data); + m_out_leftover.clear(); + QStringList lines = str.split("\n"); + bool complete = str.endsWith("\n"); + + for(int i = 0; i < lines.size() - 1; i++) + { + QString & line = lines[i]; + emit log(lines[i].toLocal8Bit(), MessageLevel::Message); + } + if(!complete) + m_out_leftover = lines.last(); +} + +// exit handler +void MinecraftProcess::finish(int code, ExitStatus status) +{ + if (status != NormalExit) + { + //TODO: error handling + } + + emit log("Minecraft exited."); + + m_prepostlaunchprocess.processEnvironment().insert("INST_EXITCODE", QString(code)); + + // run post-exit + if (!m_instance->settings().get("PostExitCommand").toString().isEmpty()) + { + m_prepostlaunchprocess.start(m_instance->settings().get("PostExitCommand").toString()); + m_prepostlaunchprocess.waitForFinished(); + if (m_prepostlaunchprocess.exitStatus() != NormalExit) + { + //TODO: error handling + } + } + +// if (m_console != nullptr) +// m_console->setMayClose(true); + + emit ended(); +} + +void MinecraftProcess::launch() +{ + if (!m_instance->settings().get("PreLaunchCommand").toString().isEmpty()) + { + m_prepostlaunchprocess.start(m_instance->settings().get("PreLaunchCommand").toString()); + m_prepostlaunchprocess.waitForFinished(); + if (m_prepostlaunchprocess.exitStatus() != NormalExit) + { + //TODO: error handling + return; + } + } + + m_instance->setLastLaunch(); + + prepare(m_instance); + + genArgs(); + + emit log(QString("Minecraft folder is: '%1'").arg(workingDirectory())); + QString JavaPath = m_instance->settings().get("JavaPath").toString(); + emit log(QString("Java path: '%1'").arg(JavaPath)); + emit log(QString("Arguments: '%1'").arg(m_arguments.join("' '"))); + start(JavaPath, m_arguments); + if (!waitForStarted()) + { + emit log("Could not launch minecraft!"); + return; + //TODO: error handling + } + +// if(m_console != nullptr) +// m_console->setMayClose(false); +} + +void MinecraftProcess::genArgs() +{ + // start fresh + m_arguments.clear(); + + // window size + QString windowSize; + if (m_instance->settings().get("LaunchMaximized").toBool()) + windowSize = "max"; + else + windowSize = QString("%1x%2"). + arg(m_instance->settings().get("MinecraftWinWidth").toInt()). + arg(m_instance->settings().get("MinecraftWinHeight").toInt()); + + // window title + QString windowTitle; + windowTitle.append("MultiMC: ").append(m_instance->name()); + + // Java arguments + m_arguments.append(Util::Commandline::splitArgs(m_instance->settings().get("JvmArgs").toString())); + +#ifdef OSX + // OSX dock icon and name + m_arguments << "-Xdock:icon=icon.png"; + m_arguments << QString("-Xdock:name=\"%1\"").arg(windowTitle); +#endif + + // lwjgl + QString lwjgl = QDir(globalSettings->get("LWJGLDir").toString() + "/" + + m_instance->lwjglVersion()).absolutePath(); + + // launcher arguments + m_arguments << QString("-Xms%1m").arg(m_instance->settings().get("MinMemAlloc").toInt()); + m_arguments << QString("-Xmx%1m").arg(m_instance->settings().get("MaxMemAlloc").toInt()); + m_arguments << "-jar" << LAUNCHER_FILE; + m_arguments << m_user; + m_arguments << m_session; + m_arguments << windowTitle; + m_arguments << windowSize; + m_arguments << lwjgl; +} |