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#include "MinecraftInstance.h"
#include <settings/Setting.h>
#include "settings/SettingsObject.h"
#include <pathutils.h>
#include "Env.h"
#include "minecraft/MinecraftVersionList.h"
#include <MMCStrings.h>
#define IBUS "@im=ibus"
// all of this because keeping things compatible with deprecated old settings
// if either of the settings {a, b} is true, this also resolves to true
class OrSetting : public Setting
{
Q_OBJECT
public:
OrSetting(QString id, std::shared_ptr<Setting> a, std::shared_ptr<Setting> b)
:Setting({id}, false), m_a(a), m_b(b)
{
}
virtual QVariant get() const
{
bool a = m_a->get().toBool();
bool b = m_b->get().toBool();
return a || b;
}
virtual void reset() {}
virtual void set(QVariant value) {}
private:
std::shared_ptr<Setting> m_a;
std::shared_ptr<Setting> m_b;
};
MinecraftInstance::MinecraftInstance(SettingsObjectPtr globalSettings, SettingsObjectPtr settings, const QString &rootDir)
: BaseInstance(globalSettings, settings, rootDir)
{
// Java Settings
auto javaOverride = m_settings->registerSetting("OverrideJava", false);
auto locationOverride = m_settings->registerSetting("OverrideJavaLocation", false);
auto javaOrLocation = std::make_shared<OrSetting>("JavaOrLocationOverride", javaOverride, locationOverride);
m_settings->registerSetting("OverrideJavaArgs", false);
m_settings->registerOverride(globalSettings->getSetting("JavaPath"));
m_settings->registerOverride(globalSettings->getSetting("JvmArgs"));
// special!
m_settings->registerPassthrough(globalSettings->getSetting("JavaTimestamp"), javaOrLocation);
m_settings->registerPassthrough(globalSettings->getSetting("JavaVersion"), javaOrLocation);
// Window Size
m_settings->registerSetting("OverrideWindow", false);
m_settings->registerOverride(globalSettings->getSetting("LaunchMaximized"));
m_settings->registerOverride(globalSettings->getSetting("MinecraftWinWidth"));
m_settings->registerOverride(globalSettings->getSetting("MinecraftWinHeight"));
// Memory
m_settings->registerSetting("OverrideMemory", false);
m_settings->registerOverride(globalSettings->getSetting("MinMemAlloc"));
m_settings->registerOverride(globalSettings->getSetting("MaxMemAlloc"));
m_settings->registerOverride(globalSettings->getSetting("PermGen"));
}
QString MinecraftInstance::minecraftRoot() const
{
QFileInfo mcDir(PathCombine(instanceRoot(), "minecraft"));
QFileInfo dotMCDir(PathCombine(instanceRoot(), ".minecraft"));
if (dotMCDir.exists() && !mcDir.exists())
return dotMCDir.filePath();
else
return mcDir.filePath();
}
std::shared_ptr< BaseVersionList > MinecraftInstance::versionList() const
{
return ENV.getVersionList("net.minecraft");
}
QStringList MinecraftInstance::javaArguments() const
{
QStringList args;
// custom args go first. we want to override them if we have our own here.
args.append(extraArguments());
// OSX dock icon and name
#ifdef Q_OS_MAC
args << "-Xdock:icon=icon.png";
args << QString("-Xdock:name=\"%1\"").arg(windowTitle());
#endif
// HACK: Stupid hack for Intel drivers. See: https://mojang.atlassian.net/browse/MCL-767
#ifdef Q_OS_WIN32
args << QString("-XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_"
"minecraft.exe.heapdump");
#endif
args << QString("-Xms%1m").arg(settings()->get("MinMemAlloc").toInt());
args << QString("-Xmx%1m").arg(settings()->get("MaxMemAlloc").toInt());
// No PermGen in newer java.
auto javaVersion = settings()->get("JavaVersion");
if(Strings::naturalCompare(javaVersion.toString(), "1.8.0", Qt::CaseInsensitive) < 0)
{
auto permgen = settings()->get("PermGen").toInt();
if (permgen != 64)
{
args << QString("-XX:PermSize=%1m").arg(permgen);
}
}
args << "-Duser.language=en";
args << "-jar" << PathCombine(QCoreApplication::applicationDirPath(), "jars", "NewLaunch.jar");
return args;
}
QMap<QString, QString> MinecraftInstance::getVariables() const
{
QMap<QString, QString> out;
out.insert("INST_NAME", name());
out.insert("INST_ID", id());
out.insert("INST_DIR", QDir(instanceRoot()).absolutePath());
out.insert("INST_MC_DIR", QDir(minecraftRoot()).absolutePath());
out.insert("INST_JAVA", settings()->get("JavaPath").toString());
out.insert("INST_JAVA_ARGS", javaArguments().join(' '));
return out;
}
QProcessEnvironment MinecraftInstance::createEnvironment()
{
// prepare the process environment
QProcessEnvironment rawenv = QProcessEnvironment::systemEnvironment();
QProcessEnvironment env;
QStringList ignored =
{
"JAVA_ARGS",
"CLASSPATH",
"CONFIGPATH",
"JAVA_HOME",
"JRE_HOME",
"_JAVA_OPTIONS",
"JAVA_OPTIONS",
"JAVA_TOOL_OPTIONS"
};
for(auto key: rawenv.keys())
{
auto value = rawenv.value(key);
// filter out dangerous java crap
if(ignored.contains(key))
{
qDebug() << "Env: ignoring" << key << value;
continue;
}
// filter MultiMC-related things
if(key.startsWith("QT_"))
{
qDebug() << "Env: ignoring" << key << value;
continue;
}
#ifdef Q_OS_LINUX
// Do not pass LD_* variables to java. They were intended for MultiMC
if(key.startsWith("LD_"))
{
qDebug() << "Env: ignoring" << key << value;
continue;
}
// Strip IBus
// IBus is a Linux IME framework. For some reason, it breaks MC?
if (key == "XMODIFIERS" && value.contains(IBUS))
{
QString save = value;
value.replace(IBUS, "");
qDebug() << "Env: stripped" << IBUS << "from" << save << ":" << value;
}
if(key == "GAME_PRELOAD")
{
env.insert("LD_PRELOAD", value);
continue;
}
if(key == "GAME_LIBRARY_PATH")
{
env.insert("LD_LIBRARY_PATH", value);
continue;
}
#endif
qDebug() << "Env: " << key << value;
env.insert(key, value);
}
#ifdef Q_OS_LINUX
// HACK: Workaround for QTBUG42500
if(!env.contains("LD_LIBRARY_PATH"))
{
env.insert("LD_LIBRARY_PATH", "");
}
#endif
// export some infos
auto variables = getVariables();
for (auto it = variables.begin(); it != variables.end(); ++it)
{
env.insert(it.key(), it.value());
}
return env;
}
#include "MinecraftInstance.moc"
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