- 点击C++类文件夹，在右边的区域点击鼠标右键，在弹出的菜单中选择“新建C++类”
- 在弹出的菜单中选中“显示所有类”，选择GameInstanceSubsystem作为父类, 点击“下一步”按钮
- 输入子类名称“UVRVIUOnlineGameSubsystem”，选择插件作为新类的目标模块，点击“公共”选择器
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打开C++工程，找到".Build.cs"文件，在“PublicDependencyModuleNames”下，添加"MultiPlayerPlugin"
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publicclassLandMaster : ModuleRules{publicLandMaster(ReadOnlyTargetRules Target) : base(Target){PCHUsage = PCHUsageMode.UseExplicitOrSharedPCHs;PublicDependencyModuleNames.AddRange(newstring[] {"Core","CoreUObject","Engine","InputCore","UMG","Http","Json","JsonUtilities","Sockets","Networking","OnlineSubsystem","OnlineSubsystemUtils","MultiPlayerPlugin"});PrivateDependencyModuleNames.AddRange(newstring[] {"Slate","SlateCore"});}} -
设置“MultiPlayerPlugin.uplugin”文件
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{"FileVersion": 3,"Version": 1,"VersionName":"1.0","FriendlyName":"MultiPlayerPlugin","Description":"plugin for multi player ","Category":"Other","CreatedBy":"VRVIU_Jacky","CreatedByURL":"","DocsURL":"","MarketplaceURL":"","SupportURL":"","EngineVersion":"4.26.0","CanContainContent":true,"Installed":true,"Modules": [{"Name":"MultiPlayerPlugin","Type":"Runtime","LoadingPhase":"Default","WhitelistPlatforms": ["Win32","Win64"]}]} -
设置插件“.Build.cs”文件，添加需要引用的模块
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// Copyright Epic Games, Inc. All Rights Reserved.usingUnrealBuildTool;publicclassMultiPlayerPlugin : ModuleRules{publicMultiPlayerPlugin(ReadOnlyTargetRules Target) : base(Target){bEnableUndefinedIdentifierWarnings =false;PCHUsage = ModuleRules.PCHUsageMode.UseExplicitOrSharedPCHs;//bUsePrecompiled = true;PublicIncludePaths.AddRange(newstring[] {"MultiPlayerPlugin/Public"});PrivateIncludePaths.AddRange(newstring[] {});PublicDependencyModuleNames.AddRange(newstring[]{"Core"// ... add other public dependencies that you statically link with here ...});PrivateDependencyModuleNames.AddRange(newstring[]{"CoreUObject","Engine","Slate","SlateCore","UMG","Http","Json","JsonUtilities","Sockets","Networking"// ... add private dependencies that you statically link with here ...});DynamicallyLoadedModuleNames.AddRange(newstring[]{// ... add any modules that your module loads dynamically here ...});}} -
获取本机IP地址
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FString UVRVIUOnlineGameSubsystem::GetIpAddress(boolbHasPort/*= true*/){FString IpAddr("NONE");boolcanBind =false;TSharedRef<FInternetAddr>LocalIp = ISocketSubsystem::Get(PLATFORM_SOCKETSUBSYSTEM)->GetLocalHostAddr(*GLog, canBind);if(LocalIp->IsValid()){IpAddr = LocalIp->ToString(bHasPort);}returnIpAddr;} -
创建会话
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FString cmd ="open "+ Map +"?listen";UGameplayStatics::GetPlayerController(GetWorld(), 0)->ConsoleCommand(cmd);文章来源：https://www.toymoban.com/news/detail-858818.htmlm_ServerAddress = ServerAddress.Len() == 0 ? GetIpAddress(false):ServerAddress; -
加入会话
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UE_LOG(LogTemp, Warning, TEXT("UVRVIUOnlineGameSubsystem::ConnectServer %s"), *IntranetIP);FString cmd ="open "+ IntranetIP;UGameplayStatics::GetPlayerController(GetWorld(), 0)->ConsoleCommand(cmd);m_ServerAddress = IntranetIP;文章来源地址https://www.toymoban.com/news/detail-858818.html
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