[C++/Qt]QGettingStarted-强大的MC启动器核心[开源][跨平台][Win/Linux/MacOS]

lzycc234

Github：https://github.com/BluePlumStudio/QGettingStarted

Mcbbs：http://www.mcbbs.net/thread-793857-1-1.html

BlueBerry启动器帖子地址：MCBBS：http://www.mcbbs.net/thread-781400-1-1.html

Github：https://github.com/BluePlumStudio/QGettingStarted

官网：https://blueplum.studio/

欢迎加入BluePlum Studio.，扣Qun：166987759

编译

Windows：Visual Studio 2015/Qt Creator 4.5.0|Qt 5.10.0 下编译通过。
Linux：可行，但未测试。
Mac OS：可行，但未测试。

警告

因开发周期较短可能存在Bug。

开发文档

QGSDocument：https://qgsdocument.blueplum.studio使用完整功能请查阅开发文档

快速开始

使用启动核心

1.下载源码自行编译或下载已编译好的静态库：

• 0.2.0：
  
  
  
  • Windows：
    地址1：https://blueplum.pipipan.com/fs/15016760-289630377
    地址2：https://blueplum.ctfile.com/fs/15016760-289630377
    
• 0.1.1：
  
  
  
  • Windows：
    地址1
    地址2
    
• Pre 2.0.0：
  
  
  
  • Windows：
    地址1
    地址2
    
• Beta 1.4.0：
  
  
  
  • Windows：
    地址1
    地址2
    
• Beta 1.3.0：
  
  
  
  • Windows：
    城通网盘1
    城通网盘2
    
• Beta 1.2.0：
  
  
  
  • Windows：
    城通网盘1
    城通网盘2
    
• Beta 1.1.0：
  
  
  
  • Windows：
    城通网盘1
    城通网盘2
    
• Beta 1.0.0：
  
  
  
  • Windows：
    城通网盘1
    城通网盘2
    
  
  

2.将静态库，如"QGettingStarted.lib，zlib.lib"，添加进工程，包含头文件"QGettingStarted.h"即可。

lzycc234

使用方法（请访问我们的开发文档和Github阅读更详细的内容）
开发文档：https://qgsdocument.blueplum.studio;
Github：https://github.com/BluePlumStudio/QGettingStarted
启动游戏

1.     QString launchCommand;
   
2.     QGSLauncher launcher;
   
3.     QGSGameDirectory gameDirectory(QDir("./minecraft"));
   
4.     QGSLaunchOptionsBuilder launchOptionsBuilder;
   
5. 
   
6.     launchOptionsBuilder.setJavaPath("C:/Program Files/Java/jre1.8.0_162/bin/javaw.exe");
   
7.     launchOptionsBuilder.setMaxMemory(1024);
   
8.     launchOptionsBuilder.setMinMemory(128);
   
9. 
   
10.     QGSAuthInfo authInfo;
    
11.     QEventLoop eventLoop;
    
12.     //正版登录替换为QGSYggdrasilAccountFactory
    
13.     QGSIAccount * account(QGSOfflineAccountFactory().createAccount());
    
14.     QObject::connect(account, &QGSIAccount::finished, &eventLoop, &QEventLoop::quit);
    
15.     QObject::connect(account, &QGSIAccount::finished, [&authInfo](QGSAuthInfo _authInfo)
    
16.     {
    
17.         authInfo = _authInfo;
    
18.     });
    
19.     /*正版登录的错误检查
    
20.     QObject::connect(account, &QGSIAccount::error, [](QGSNetworkError networkError)
    
21.     {
    
22.         qDebug() << "QGSNetworkError:" << networkError.getCode() << networkError.getErrorString();
    
23.     });
    
24.     */
    
25.     account->authenticate("player");
    
26.     //account->authenticate("123@xxx.com","123456"); 正版登录
    
27.     eventLoop.exec();
    
28. 
    
29.     launchOptionsBuilder.setAuthInfo(authInfo);
    
30.     launchOptionsBuilder.setJVMArguments("-XX:+UseG1GC -XX:-UseAdaptiveSizePolicy -XX:-OmitStackTraceInFastThrow");
    
31. 
    
32.     launcher.generateLaunchCommand(gameDirectory.getVersion("1.11.2"), gameDirectory, launchOptionsBuilder.getLaunchOptions(), launchCommand);

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获取游戏版本列表

1.     //下载任务工厂
   
2.     QGSDownloadTaskFactory downloadTaskFactory(new QGSBMCLAPIDownloadSource);
   
3.     //下载到当前目录
   
4.     QGSDownloadTask * downloadTask = downloadTaskFactory.generateGameVersionInfoJsonDownloadTask(new QFile("./version_manifest.json"));
   
5.     //下载进程
   
6.     QObject::connect(downloadTask, &QGSDownloadTask::downloadProgress, [=](qint64 bytesReceived, qint64 bytesTotal, QGSTask * task)
   
7.     {
   
8.         qDebug() << "version manifest:" << bytesReceived << ";" << bytesTotal;
   
9.     });
   
10.     //下载完成
    
11.     QObject::connect(downloadTask, &QGSDownloadTask::finished, [=](QGSTask * task)
    
12.     {
    
13.         qDebug() << "version manifest prase test";
    
14.         QGSGameVersionInfoListFactory versionInfoFactory;
    
15.         downloadTask->getTargetFile()->open(QIODevice::ReadOnly);
    
16.         QGSGameVersionInfoList versionInfoList(versionInfoFactory.createGameVersionInfoList(downloadTask->getTargetFile()->readAll()));
    
17.         for (int i = 0; i < versionInfoList.size(); i++)
    
18.         {
    
19.             qDebug() << "id:" << versionInfoList[i].getId()
    
20.                 << "type:" << versionInfoList[i].getType()
    
21.                 << "time:" << versionInfoList[i].getTime()
    
22.                 << "releasetime:" << versionInfoList[i].getReleaseTime()
    
23.                 << "url:" << versionInfoList[i].getUrl().toString();
    
24.         }
    
25.         downloadTask->deleteLater();
    
26.     });
    
27.     //下载错误
    
28.     QObject::connect(downloadTask, &QGSDownloadTask::downloadError, [=](QGSNetworkError error, QGSTask * task)
    
29.     {
    
30.         qDebug() << "version manifest:" << "Code:" << error.getCode() << "Message:" << error.getErrorString();
    
31.     });
    
32.     downloadTask->start();//也可以加入线程池中，threadPoolManager->addTaskBack(downloadTask);

复制代码

获取Forge列表

1.     QGSDownloadTaskFactory * downloadTaskFactory(new QGSDownloadTaskFactory(new QGSOfficialDownloadSource));
   
2.     QGSDownloadTask * downloadTask = nullptr;
   
3. 
   
4.     downloadTask = downloadTaskFactory->generateForgeVersionInfoJsonDownloadTask(new QFile(QString("./forge_manifest.json")), 100, 50);
   
5.     QObject::connect(downloadTask, &QGSDownloadTask::downloadProgress, [=](qint64 bytesReceived, qint64 bytesTotal, QGSTask * task)
   
6.     {
   
7.         qDebug() << "forge version info json:" << bytesReceived << ";" << bytesTotal;
   
8.     });
   
9.     QObject::connect(downloadTask, &QGSDownloadTask::finished, [=](QGSTask * task)
   
10.     {
    
11.         qDebug() << "forge version info json finished!";
    
12.         QGSForgeVersionInfoListFactory versionInfoFactory;
    
13.         downloadTask->getTargetFile()->open(QIODevice::ReadOnly);
    
14.         //因forge版本较多，为了照顾性能与资源，需要设置偏移量与上限。示例中：1为偏移量，1000为上限。
    
15.         QGSForgeVersionInfoList versionInfoList(versionInfoFactory.createForgeVersionInfoList(downloadTask->getTargetFile()->readAll(), 1, 1000));
    
16.         versionInfoList.merge(versionInfoList);
    
17.         for (int i = 0; i < versionInfoList.size(); i++)
    
18.         {
    
19.             qDebug() << "branch" << versionInfoList[i].getBranch()
    
20.                 << "build" << versionInfoList[i].getBuild()
    
21.                 << "mcversion" << versionInfoList[i].getMcversion()
    
22.                 << "modified" << versionInfoList[i].getModified()
    
23.                 << "version" << versionInfoList[i].getVersion()
    
24.                 << "_id" << versionInfoList[i].getId();
    
25. 
    
26.         }
    
27.         task->deleteLater();
    
28.     });
    
29.     QObject::connect(downloadTask, &QGSDownloadTask::downloadError, [=](QGSNetworkError error, QGSTask * task)
    
30.     {
    
31.         qDebug() << "forge version info json:" << "Code:" << error.getCode() << "Message:" << error.getErrorString();
    
32.     });
    
33.     downloadTask->start();//也可以加入线程池中，threadPoolManager->addTaskBack(downloadTask);

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获取LiteLoader列表

1.     QGSDownloadTaskFactory * downloadTaskFactory(new QGSDownloadTaskFactory(new QGSOfficialDownloadSource));
   
2.     QGSDownloadTask * downloadTask = nullptr;
   
3. 
   
4.     downloadTask = downloadTaskFactory->generateLiteLoaderVersionInfoJsonDownloadTask(new QFile(QString("./liteloader_manifest.json")));
   
5.     QObject::connect(downloadTask, &QGSDownloadTask::downloadProgress, [=](qint64 bytesReceived, qint64 bytesTotal, QGSTask * task)
   
6.     {
   
7.         qDebug() << "liteloader version info json:" << bytesReceived << ";" << bytesTotal;
   
8.     });
   
9.     QObject::connect(downloadTask, &QGSDownloadTask::finished, [=](QGSTask * task)
   
10.     {
    
11.         qDebug() << "forge version info json finished!";
    
12.         QGSLiteLoaderVersionInfoListFactory versionInfoFactory;
    
13.         downloadTask->getTargetFile()->open(QIODevice::ReadOnly);
    
14.         QGSLiteLoaderVersionInfoList versionInfoList(versionInfoFactory.createLiteLoaderVersionInfoList(downloadTask->getTargetFile()->readAll()));
    
15.         for (int i = 0; i < versionInfoList.size(); i++)
    
16.         {
    
17.             /*相关操作*/
    
18.         }
    
19.         task->deleteLater();
    
20.     });
    
21.     QObject::connect(downloadTask, &QGSDownloadTask::downloadError, [=](QGSNetworkError error, QGSTask * task)
    
22.     {
    
23.         qDebug() << "liteloader version info json:" << "Code:" << error.getCode() << "Message:" << error.getErrorString();
    
24.     });
    
25.     downloadTask->start();//也可以加入线程池中，threadPoolManager->addTaskBack(downloadTask);
    
26. ```cpp
    
27. 
    
28. #获取Optifine列表
    
29. 
    
30. ```cpp
    
31.     QGSDownloadTaskFactory * downloadTaskFactory(new QGSDownloadTaskFactory(new QGSOfficialDownloadSource));
    
32.     QGSDownloadTask * downloadTask = nullptr;
    
33. 
    
34.     downloadTask = downloadTaskFactory->generateOptifineVersionInfoJsonDownloadTask(new QFile(QString("./optifine_manifest.json")));
    
35.     QObject::connect(downloadTask, &QGSDownloadTask::downloadProgress, [=](qint64 bytesReceived, qint64 bytesTotal, QGSTask * task)
    
36.     {
    
37.         qDebug() << "optifine version info json:" << bytesReceived << ";" << bytesTotal;
    
38.     });
    
39.     QObject::connect(downloadTask, &QGSDownloadTask::finished, [=](QGSTask * task)
    
40.     {
    
41.         qDebug() << "optifine version info json finished!";
    
42.         QGSOptifineVersionInfoListFactory versionInfoFactory;
    
43.         downloadTask->getTargetFile()->open(QIODevice::ReadOnly);
    
44.         QGSOptifineVersionInfoList versionInfoList(versionInfoFactory.createOptifineVersionInfoList(downloadTask->getTargetFile()->readAll()));
    
45.         for (int i = 0; i < versionInfoList.size(); i++)
    
46.         {
    
47.             /*相关操作*/
    
48.         }
    
49.         task->deleteLater();
    
50.     });
    
51.     QObject::connect(downloadTask, &QGSDownloadTask::downloadError, [=](QGSNetworkError error, QGSTask * task)
    
52.     {
    
53.         qDebug() << "optifine manifest:" << "Code:" << error.getCode() << "Message:" << error.getErrorString();
    
54.     });
    
55.     downloadTask->start();//也可以加入线程池中，threadPoolManager->addTaskBack(downloadTask);

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下载游戏（库、资源补全）

1.     //"version_manifest.json"文件需要自行下载，详见"获取版本列表"
   
2.     QFile manifestFile("./version_manifest.json");
   
3.     manifestFile.open(QIODevice::ReadOnly);
   
4.     QGSGameVersionInfoListFactory versionInfoFactory;
   
5.     QGSGameVersionInfoList versionInfoList(versionInfoFactory.createGameVersionInfoList(manifestFile.readAll()));
   
6.     QGSIDownloadSource * downloadSource = new QGSBMCLAPIDownloadSource;//BMCL
   
7. 
   
8.     QGSGameVersionInfo versionInfo = versionInfoList.getVersionInfo("1.11.2");
   
9.     QGSDownloadTaskFactory * downloadTaskFactory(new QGSDownloadTaskFactory(downloadSource));
   
10.     //游戏目录
    
11.     QGSGameDirectory * gameDirectory(new QGSGameDirectory(QDir("./.minecraft")));
    
12.     //线程池。线程池数最小为8，最大为512。
    
13.     QGSThreadPoolManager * threadPoolManager(new QGSThreadPoolManager(8, 512));
    
14.     //建造者工厂，用于创建游戏各部分的建造者。
    
15.     QGSBuilderFactory * builderFactory(new QGSBuilderFactory(threadPoolManager));
    
16.     //游戏本体建造者。
    
17.     QGSGameVersionBuilder * gameVersionBuilder = builderFactory->createGameVersionBuilder(versionInfo, gameDirectory, downloadTaskFactory);
    
18.     //库建造者
    
19.     QGSLibraryBuilder * libraryBuilder = builderFactory->createLibraryBuilder(versionInfo, gameDirectory, downloadTaskFactory);
    
20.     //资源建造者
    
21.     QGSAssetBuilder * assetBuilder = builderFactory->createAssetBuilder(versionInfo, gameDirectory, downloadTaskFactory);
    
22.     //前一个任务发出finished(）（完成）信号后即刻执行下一个任务。
    
23.     gameVersionBuilder->setNextTask(libraryBuilder).setNextTask(assetBuilder);
    
24.     QObject::connect(gameVersionBuilder, &QGSGameVersionBuilder::started, [=]()//建造者开始
    
25.     {
    
26.         qDebug() << "gameVersionBuilder started!";
    
27.     });
    
28.     QObject::connect(gameVersionBuilder, &QGSGameVersionBuilder::downloadTaskStarted, [=](QGSDownloadTask * task)//任务开始
    
29.     {
    
30.         qDebug() << "download:" << task->getDownloadInfo().getUrl() << " started!";
    
31.     });
    
32.     QObject::connect(gameVersionBuilder, &QGSGameVersionBuilder::downloadTaskFinished, [=](QGSDownloadTask * task)//任务完成
    
33.     {
    
34.         qDebug() << "download:" << task->getDownloadInfo().getUrl() << " finished!" << gameVersionBuilder->getTaskListSize() << "left!";
    
35.     });
    
36.     QObject::connect(gameVersionBuilder, &QGSGameVersionBuilder::downloadTaskStoped, [=](QGSDownloadTask * task)//任务暂停
    
37.     {
    
38.         qDebug() << "download:" << task->getDownloadInfo().getUrl() << " stoped!";
    
39.     });
    
40.     QObject::connect(gameVersionBuilder, &QGSGameVersionBuilder::downloadTaskCanceled, [=](QGSDownloadTask * task)//任务取消
    
41.     {
    
42.         qDebug() << "download:" << task->getDownloadInfo().getUrl() << " canceled!";
    
43.     });
    
44.     QObject::connect(gameVersionBuilder, &QGSGameVersionBuilder::downloadTaskDownloadProgress, [](qint64 bytesReceived, qint64 bytesTotal, QGSDownloadTask * task)//任务进程
    
45.     {
    
46.         qDebug() << "download:" << task->getDownloadInfo().getUrl() << " download progress:" << "bytes received:" << bytesReceived << "bytes total:" << bytesTotal;
    
47.     });
    
48.     QObject::connect(gameVersionBuilder, &QGSGameVersionBuilder::downloadTaskDownloadError, [=](QGSNetworkError error, QGSDownloadTask * task)//任务错误（同时发出downloadTaskError()）
    
49.     {
    
50.         qDebug() << "download:" << task->getDownloadInfo().getUrl() << " download error!" << gameVersionBuilder->getTaskListSize() << "left!" << "Error code:" << error.getCode();
    
51.     });
    
52.     QObject::connect(gameVersionBuilder, &QGSGameVersionBuilder::downloadTaskError, [=](QGSDownloadTask * task)//任务错误
    
53.     {
    
54.         qDebug() << "download:" << task->getDownloadInfo().getUrl() << " error!" << gameVersionBuilder->getTaskListSize() << "left!";
    
55.     });
    
56.     QObject::connect(gameVersionBuilder, &QGSGameVersionBuilder::error, [=]()//建造者错误
    
57.     {
    
58.         qDebug() << "gameVersionBuilder error!";
    
59.     });
    
60.     QObject::connect(gameVersionBuilder, &QGSGameVersionBuilder::finished, [=]()//建造者完成
    
61.     {
    
62.         qDebug() << "gameVersionBuilder finished!";
    
63.     });
    
64.     //
    
65.     QObject::connect(libraryBuilder, &QGSLibraryBuilder::started, [=]()
    
66.     {
    
67.         qDebug() << "libraryBuilder started!";
    
68.     });
    
69.     QObject::connect(libraryBuilder, &QGSLibraryBuilder::downloadTaskStarted, [=](QGSDownloadTask * task)
    
70.     {
    
71.         qDebug() << "download:" << task->getDownloadInfo().getUrl() << " started!";
    
72.     });
    
73.     QObject::connect(libraryBuilder, &QGSLibraryBuilder::downloadTaskFinished, [=](QGSDownloadTask * task)
    
74.     {
    
75.         qDebug() << "download:" << task->getDownloadInfo().getUrl() << " finished!" << libraryBuilder->getTaskListSize() << "left!";
    
76.     });
    
77.     QObject::connect(libraryBuilder, &QGSLibraryBuilder::downloadTaskStoped, [=](QGSDownloadTask * task)
    
78.     {
    
79.         qDebug() << "download:" << task->getDownloadInfo().getUrl() << " stoped!";
    
80.     });
    
81.     QObject::connect(libraryBuilder, &QGSLibraryBuilder::downloadTaskCanceled, [=](QGSDownloadTask * task)
    
82.     {
    
83.         qDebug() << "download:" << task->getDownloadInfo().getUrl() << " canceled!";
    
84.     });
    
85.     QObject::connect(libraryBuilder, &QGSLibraryBuilder::downloadTaskDownloadProgress, [](qint64 bytesReceived, qint64 bytesTotal, QGSDownloadTask * task)
    
86.     {
    
87.         qDebug() << "download:" << task->getDownloadInfo().getUrl() << " download progress:" << "bytes received:" << bytesReceived << "bytes total:" << bytesTotal;
    
88.     });
    
89.     QObject::connect(libraryBuilder, &QGSLibraryBuilder::downloadTaskDownloadError, [=](QGSNetworkError error, QGSDownloadTask * task)
    
90.     {
    
91.         qDebug() << "download:" << task->getDownloadInfo().getUrl() << " download error!" << libraryBuilder->getTaskListSize() << "left!" << "Error code:" << error.getCode();
    
92.     });
    
93.     QObject::connect(libraryBuilder, &QGSLibraryBuilder::downloadTaskError, [=](QGSDownloadTask * task)
    
94.     {
    
95.         qDebug() << "download:" << task->getDownloadInfo().getUrl() << " error!" << libraryBuilder->getTaskListSize() << "left!";
    
96.     });
    
97.     QObject::connect(libraryBuilder, &QGSLibraryBuilder::error, [=]()
    
98.     {
    
99.         qDebug() << "libraryBuilder error!";
    
100.     });
     
101.     QObject::connect(libraryBuilder, &QGSLibraryBuilder::finished, [=]()
     
102.     {
     
103.         qDebug() << "libraryBuilder finished!";
     
104.     });
     
105.     //
     
106.     QObject::connect(assetBuilder, &QGSLibraryBuilder::started, [=]()
     
107.     {
     
108.         qDebug() << "assetBuilder started!";
     
109.     });
     
110.     QObject::connect(assetBuilder, &QGSLibraryBuilder::downloadTaskStarted, [=](QGSDownloadTask * task)
     
111.     {
     
112.         qDebug() << "download:" << task->getDownloadInfo().getUrl() << " started!";
     
113.     });
     
114.     QObject::connect(assetBuilder, &QGSLibraryBuilder::downloadTaskFinished, [=](QGSDownloadTask * task)
     
115.     {
     
116.         qDebug() << "download:" << task->getDownloadInfo().getUrl() << " finished!" << assetBuilder->getTaskListSize() << "left!";
     
117.     });
     
118.     QObject::connect(assetBuilder, &QGSLibraryBuilder::downloadTaskStoped, [=](QGSDownloadTask * task)
     
119.     {
     
120.         qDebug() << "download:" << task->getDownloadInfo().getUrl() << " stoped!";
     
121.     });
     
122.     QObject::connect(assetBuilder, &QGSLibraryBuilder::downloadTaskCanceled, [=](QGSDownloadTask * task)
     
123.     {
     
124.         qDebug() << "download:" << task->getDownloadInfo().getUrl() << " canceled!";
     
125.     });
     
126.     QObject::connect(assetBuilder, &QGSLibraryBuilder::downloadTaskDownloadProgress, [](qint64 bytesReceived, qint64 bytesTotal, QGSDownloadTask * task)
     
127.     {
     
128.         qDebug() << "download:" << task->getDownloadInfo().getUrl() << " download progress:" << "bytes received:" << bytesReceived << "bytes total:" << bytesTotal;
     
129.     });
     
130.     QObject::connect(assetBuilder, &QGSLibraryBuilder::downloadTaskDownloadError, [=](QGSNetworkError error, QGSDownloadTask * task)
     
131.     {
     
132.         qDebug() << "download:" << task->getDownloadInfo().getUrl() << " download error!" << assetBuilder->getTaskListSize() << "left!" << "Error code:" << error.getCode();
     
133.     });
     
134.     QObject::connect(assetBuilder, &QGSLibraryBuilder::downloadTaskError, [=](QGSDownloadTask * task)
     
135.     {
     
136.         qDebug() << "download:" << task->getDownloadInfo().getUrl() << " error!" << assetBuilder->getTaskListSize() << "left!";
     
137.     });
     
138.     QObject::connect(assetBuilder, &QGSLibraryBuilder::error, [=]()
     
139.     {
     
140.         qDebug() << "assetBuilder error!";
     
141.     });
     
142.     QObject::connect(assetBuilder, &QGSLibraryBuilder::finished, [=]()
     
143.     {
     
144.         qDebug() << "assetBuilder finished!";
     
145.     });
     
146.     //将建造者加入线程池
     
147.     threadPoolManager->addTaskBack(gameVersionBuilder);

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下载Forge（需要自行安装）

1.     QGSDownloadTaskFactory * downloadTaskFactory(new QGSDownloadTaskFactory(new QGSOfficialDownloadSource));
   
2.     QGSDownloadTask * downloadTask = nullptr;
   
3. 
   
4.     //forge download test
   
5.     downloadTask = downloadTaskFactory->generateForgeDownloadTask(new QFile(QString("./forge-installer.jar")), "1.11.2", "13.20.0.2200", "installer", "jar");
   
6.     QObject::connect(downloadTask, &QGSDownloadTask::downloadProgress, [=](qint64 bytesReceived, qint64 bytesTotal, QGSTask * task)
   
7.     {
   
8.         qDebug() << "Forge:" << bytesReceived << ";" << bytesTotal;
   
9.     });
   
10.     QObject::connect(downloadTask, &QGSDownloadTask::finished, [=](QGSTask * task)
    
11.     {
    
12.         qDebug() << "Forge:finished!";
    
13. 
    
14.         task->deleteLater();
    
15.     });
    
16.     QObject::connect(downloadTask, &QGSDownloadTask::downloadError, [=](QGSNetworkError error, QGSTask * task)
    
17.     {
    
18.         qDebug() << "Forge:" << "Code:" << error.getCode();
    
19.     });
    
20.     downloadTask->start();//也可以加入线程池中，threadPoolManager->addTaskBack(downloadTask);

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下载LiteLoader（需要自行安装）

1.     QGSDownloadTaskFactory * downloadTaskFactory(new QGSDownloadTaskFactory(new QGSOfficialDownloadSource));
   
2.     QGSDownloadTask * downloadTask = nullptr;
   
3. 
   
4.     //liteloader download test
   
5.     downloadTask = downloadTaskFactory->generateLiteLoaderDownloadTask(new QFile(QString("./liteloader.jar")), "1.11.2", "1.11.2-SNAPSHOT", "installer");
   
6.     QObject::connect(downloadTask, &QGSDownloadTask::downloadProgress, [=](qint64 bytesReceived, qint64 bytesTotal, QGSTask * task)
   
7.     {
   
8.         qDebug() << "LiteLoader:" << bytesReceived << ";" << bytesTotal;
   
9.     });
   
10.     QObject::connect(downloadTask, &QGSDownloadTask::finished, [=](QGSTask * task)
    
11.     {
    
12.         qDebug() << "LiteLoader:finished!";
    
13. 
    
14.         task->deleteLater();
    
15.     });
    
16.     QObject::connect(downloadTask, &QGSDownloadTask::downloadError, [=](QGSNetworkError error, QGSTask * task)
    
17.     {
    
18.         qDebug() << "LiteLoader:" << "Code:" << error.getCode();
    
19.     });
    
20.     downloadTask->start();//也可以加入线程池中，threadPoolManager->addTaskBack(downloadTask);

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下载Optifine（需要自行安装）

1.     QGSDownloadTaskFactory * downloadTaskFactory(new QGSDownloadTaskFactory(new QGSOfficialDownloadSource));
   
2.     QGSDownloadTask * downloadTask = nullptr;
   
3. 
   
4.     //optifine download test
   
5.     downloadTask = downloadTaskFactory->generateOptifineDownloadTask(new QFile(QString("./optifine.zip")), "1.9.2", "HD_U", "D7");
   
6.     QObject::connect(downloadTask, &QGSDownloadTask::downloadProgress, [=](qint64 bytesReceived, qint64 bytesTotal, QGSTask * task)
   
7.     {
   
8.         qDebug() << "Optifine:" << bytesReceived << ";" << bytesTotal;
   
9.     });
   
10.     QObject::connect(downloadTask, &QGSDownloadTask::finished, [=](QGSTask * task)
    
11.     {
    
12.         qDebug() << "Optifine:finished!";
    
13. 
    
14.         task->deleteLater();
    
15.     });
    
16.     QObject::connect(downloadTask, &QGSDownloadTask::downloadError, [=](QGSNetworkError error, QGSTask * task)
    
17.     {
    
18.         qDebug() << "Optifine:" << "Code:" << error.getCode();
    
19.     });
    
20.     downloadTask->start();//也可以加入线程池中，threadPoolManager->addTaskBack(downloadTask);

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