启动MC
/*启动1.11.2原版为例*/
//Qt
#include <QtCore/QCoreApplication>
#include <QSharedPointer>
//QGettingStarted
#include "QGettingStarted.h"
using namespace std;
using namespace qgs;//核心的名称空间
int main(int argc, char *argv[])
{
QCoreApplication a(argc, argv);
QGSGameDirectory gameDirectory{ QDir(QCoreApplication::applicationDirPath() + "/" + ".minecraft") };
//启动器工厂
QSharedPointer<QGSLauncherFactory> launcherFactory{ new QGSLauncherFactory };
//生成合适的启动器
QSharedPointer<QGSILauncher>launcher{ launcherFactory->createLauncher("1.11.2",gameDirectory)};
QGSLaunchOptionsBuilder launchOptionsBuilder;//启动选项建造者
launchOptionsBuilder.setJavaPath("C:/Program Files/Java/jre1.8.0_121/bin/javaw.exe");//Java路径
launchOptionsBuilder.setMaxMemory(1024);//最大内存（MB）
launchOptionsBuilder.setMinMemory(128);//最小内存（MB）
launchOptionsBuilder.setAuthInfo(QGSOfflineAccountFactory().createAccount()->authenticate("gou"));//用户，这里是离线用户
//launchOptionsBuilder.setJVMArguments("-XX:+UseG1GC -XX:-UseAdaptiveSizePolicy -XX:-OmitStackTraceInFastThrow");//可选的JVM虚拟机参数
//生成启动命令，生成的命令可以直接用QProcess执行
QString launchCommand;//启动命令
launcher->generateLaunchCommand(launchOptionsBuilder.getLaunchOptions(), launchCommand);
return 0;
}
