Unreal Engine添加UGameInstanceSubsystem子类

发布于：2024-04-27 ⋅ 阅读:(16) ⋅ 点赞:(0)
  1. 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”
  2. 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
  3. 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

  4. 打开C++工程，找到".Build.cs"文件，在“PublicDependencyModuleNames”下，添加"MultiPlayerPlugin"

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    public class LandMaster : ModuleRules

    {

        public LandMaster(ReadOnlyTargetRules Target) : base(Target)

        {

            PCHUsage = PCHUsageMode.UseExplicitOrSharedPCHs;

      

            PublicDependencyModuleNames.AddRange(new string[] { "Core", "CoreUObject", "Engine", "InputCore", "UMG", "Http", "Json", "JsonUtilities", "Sockets", "Networking", "OnlineSubsystem", "OnlineSubsystemUtils", "MultiPlayerPlugin" });

      

            PrivateDependencyModuleNames.AddRange(new string[] { "Slate", "SlateCore" });

        }

    }

  5. 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"

                ]

            }

        ]

    }

  6. 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.

      

    using UnrealBuildTool;

      

    public class MultiPlayerPlugin : ModuleRules

    {

        public MultiPlayerPlugin(ReadOnlyTargetRules Target) : base(Target)

        {

            bEnableUndefinedIdentifierWarnings = false;

            PCHUsage = ModuleRules.PCHUsageMode.UseExplicitOrSharedPCHs;

            //bUsePrecompiled = true;

            PublicIncludePaths.AddRange(

                new string[] {

                    "MultiPlayerPlugin/Public"

                }

                );

                      

              

            PrivateIncludePaths.AddRange(

                new string[] {

                      

                }

                );

                  

              

            PublicDependencyModuleNames.AddRange(

                new string[]

                {

                    "Core"

                    // ... add other public dependencies that you statically link with here ...

                }

                );

                  

              

            PrivateDependencyModuleNames.AddRange(

                new string[]

                {

                    "CoreUObject",

                    "Engine",

                    "Slate",

                    "SlateCore", "UMG", "Http", "Json", "JsonUtilities", "Sockets", "Networking"

                    // ... add private dependencies that you statically link with here ... 

                }

                );

              

              

            DynamicallyLoadedModuleNames.AddRange(

                new string[]

                {

                    // ... add any modules that your module loads dynamically here ...

                }

                );

        }

    }

  7. 获取本机IP地址

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    FString UVRVIUOnlineGameSubsystem::GetIpAddress(bool bHasPort /*= true*/)

    {

        FString IpAddr("NONE");

        bool canBind = false;

        TSharedRef<FInternetAddr>LocalIp = ISocketSubsystem::Get(PLATFORM_SOCKETSUBSYSTEM)->GetLocalHostAddr(*GLog, canBind);

        if (LocalIp->IsValid())

        {

            IpAddr = LocalIp->ToString(bHasPort);

        }

        return IpAddr;

    }

  8. 创建会话

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    FString cmd = "open " + Map + "?listen";

    UGameplayStatics::GetPlayerController(GetWorld(), 0)->ConsoleCommand(cmd);

    m_ServerAddress = ServerAddress.Len() == 0 ? GetIpAddress(false):ServerAddress;

  9. 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;

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