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Diffstat (limited to 'data/minecraftprocess.cpp')
| -rw-r--r-- | data/minecraftprocess.cpp | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/data/minecraftprocess.cpp b/data/minecraftprocess.cpp new file mode 100644 index 00000000..d08b767c --- /dev/null +++ b/data/minecraftprocess.cpp @@ -0,0 +1,246 @@ +/* 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 "instance.h" + +#include "osutils.h" +#include "pathutils.h" + +#define LAUNCHER_FILE "MultiMCLauncher.jar" +#define IBUS "@im=ibus" + +// commandline splitter +QStringList MinecraftProcess::splitArgs(QString args) +{ + QStringList argv; + QString current; + bool escape = false; + QChar inquotes; + for (int i=0; i<args.length(); i++) + { + QChar cchar = args.at(i); + + // \ escaped + if (escape) { + current += cchar; + escape = false; + // in "quotes" + } else if (!inquotes.isNull()) { + if (cchar == 0x5C) + escape = true; + else if (cchar == inquotes) + inquotes = 0; + else + current += cchar; + // otherwise + } else { + if (cchar == 0x20) { + if (!current.isEmpty()) { + argv << current; + current.clear(); + } + } else if (cchar == 0x22 || cchar == 0x27) + inquotes = cchar; + else + current += cchar; + } + } + if (!current.isEmpty()) + argv << current; + return argv; +} + +// prepare tools +inline void MinecraftProcess::extractIcon(InstancePtr 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(InstancePtr inst) +{ + extractLauncher(PathCombine(inst->minecraftDir(), LAUNCHER_FILE)); + extractIcon(inst, PathCombine(inst->minecraftDir(), "icon.png")); +} + +// constructor +MinecraftProcess::MinecraftProcess(InstancePtr inst, QString user, QString session, ConsoleWindow *console) : + m_instance(inst), m_user(user), m_session(session), m_console(console) +{ + 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() +{ + if (m_console != nullptr) + m_console->write(readAllStandardError(), ConsoleWindow::ERROR); +} + +void MinecraftProcess::on_stdOut() +{ + if (m_console != nullptr) + m_console->write(readAllStandardOutput(), ConsoleWindow::DEFAULT); +} + +void MinecraftProcess::log(QString text) +{ + if (m_console != nullptr) + m_console->write(text); + else + qDebug(qPrintable(text)); +} + +// exit handler +void MinecraftProcess::finish(int code, ExitStatus status) +{ + if (status != NormalExit) + { + //TODO: error handling + } + + log("Minecraft exited."); + + m_prepostlaunchprocess.processEnvironment().insert("INST_EXITCODE", QString(code)); + + // run post-exit + if (!m_instance->getPostExitCommand().isEmpty()) + { + m_prepostlaunchprocess.start(m_instance->getPostExitCommand()); + 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->getPreLaunchCommand().isEmpty()) + { + m_prepostlaunchprocess.start(m_instance->getPreLaunchCommand()); + m_prepostlaunchprocess.waitForFinished(); + if (m_prepostlaunchprocess.exitStatus() != NormalExit) + { + //TODO: error handling + return; + } + } + + m_instance->setLastLaunch(); + + prepare(m_instance); + + genArgs(); + + log(QString("Minecraft folder is: '%1'").arg(workingDirectory())); + log(QString("Instance launched with arguments: '%1'").arg(m_arguments.join("' '"))); + + start(m_instance->getJavaPath(), m_arguments); + if (!waitForStarted()) + { + //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->getLaunchMaximized()) + windowSize = "max"; + else + windowSize = QString("%1x%2").arg(m_instance->getMinecraftWinWidth()).arg(m_instance->getMinecraftWinHeight()); + + // window title + QString windowTitle; + windowTitle.append("MultiMC: ").append(m_instance->name()); + + // Java arguments + m_arguments.append(splitArgs(m_instance->getJvmArgs())); + +#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 = m_instance->lwjglVersion(); + if (lwjgl != "Mojang") + lwjgl = QDir(settings->getLWJGLDir() + "/" + lwjgl).absolutePath(); + + // launcher arguments + m_arguments << QString("-Xms%1m").arg(m_instance->getMinMemAlloc()); + m_arguments << QString("-Xmx%1m").arg(m_instance->getMaxMemAlloc()); + m_arguments << "-jar" << LAUNCHER_FILE; + m_arguments << m_user; + m_arguments << m_session; + m_arguments << windowTitle; + m_arguments << windowSize; + m_arguments << lwjgl; +} |