diff options
Diffstat (limited to 'logic/minecraft/MinecraftInstance.cpp')
| -rw-r--r-- | logic/minecraft/MinecraftInstance.cpp | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/logic/minecraft/MinecraftInstance.cpp b/logic/minecraft/MinecraftInstance.cpp index 71bec71e..a078c8fd 100644 --- a/logic/minecraft/MinecraftInstance.cpp +++ b/logic/minecraft/MinecraftInstance.cpp @@ -4,6 +4,9 @@ #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 @@ -72,4 +75,133 @@ 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" |