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/* 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());
//TODO: do console redirection
}
void MinecraftProcess::finish(int code, ExitStatus status)
{
if (status != NormalExit)
{
//TODO: error handling
}
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
}
}
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();
qDebug("Minecraft folder is: '%s'", qPrintable(workingDirectory()));
qDebug("Instance launched with arguments: '%s'", qPrintable(m_arguments.join("' '")));
start(m_instance->getJavaPath(), m_arguments);
if (!waitForStarted())
{
//TODO: error handling
}
}
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;
}
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