Quickstart: PlayFab Party Unity Plugin

Articolo
09/20/2023

This quickstart helps you install the Party SDK for Unity and make your first API calls to join players together in a Party Network. Before continuing, make sure you have completed Enable Party feature via Game Manager from your PlayFab account.

Note

If you intend to use this plugin to develop games based on the Microsoft Game Development Kit (GDK) you need to acquire and install the GDK separately. Please also see details about Unity add-on for Game Core on Xbox consoles.

Requirements

A PlayFab developer account.
An installed copy of the Unity Editor. To install Unity for personal use via Unity Hub, or Unity+ for professional use, see Download Unity. Check on Unity support in documentation of your specific platform if needed. The minimum supported Unity version is Unity 2017 LTS.
A Unity Project, which can be any of the following options:
- A brand new project: For more information, see Starting Unity for the first time.
- A guided tutorial project. For more information, see Getting Started with Unity.
- An existing project.
The PlayFab "core" Unity3D SDK. For information about installing the Unity3D SDK, see the "Download and install PlayFab SDK" section of Quickstart: PlayFab Client library for C# in Unity.

Download and install the PlayFab Party Unity plugin

Following the steps to download and install the PlayFab Party Unity plugin.

Download the PlayFab Party Unity Plugin Asset Package (use a distribution point depending on your platform).
Important! See information in the README file published with plugin. It is tailored to each particular version and may include important instructions specific to your platform.
Open your Unity Project.
Navigate to the location where you saved the .unitypackage and double-click it to open the import dialog.
To import the PlayFab Party Unity Plugin into your project, select Import.

Set up your scene

This part of the guide shows you how to add the PlayFabMultiplayerManager to your scene to enable you to call PlayFab Party APIs from Unity.

Before you can create a network, you must have a PlayFab player logged in. For information about logging in a player, see Making your first API call in Quickstart: PlayFab Client library for C# in Unity.

In the Unity editor, in the Project window, navigate to Assets > PlayFabPartySDK > Prefabs.
From the Prefabs folder, drag and drop the PlayFabMultiplayerManager into your scene in the Hierarchy window.
Create an empty Game Object in your scene called "HelloPartyLogic".
Select the HelloPartyLogic Game Object to open the Inspector.
Select Add Component.
Type "HelloPartyLogic" and press enter to show the new script menu.
Press enter again to create the new script, HelloPartyLogic.cs.
Find the script in the Project window and double-click it to edit the script.

Add the following using statement to your script:

using PlayFab;
using PlayFab.Party;
using PlayFab.ClientModels;

Add the following code in the Start method to log into PlayFab.

// Log into playfab
var request = new LoginWithCustomIDRequest { CustomId = UnityEngine.Random.value.ToString(), CreateAccount = true };
PlayFabClientAPI.LoginWithCustomID(request, OnLoginSuccess, OnLoginFailure);

Add the following methods to the class.

private void OnLoginSuccess(LoginResult result)
{
}

private void OnLoginFailure(PlayFabError error)
{
}

Note

You might receive the following errors:

Error    CS0227    Unsafe code may only appear if compiling with /unsafe
The plugin requires unsafe code because it interops with a native DLL.

Mismatch between the processor architecture of the project being built "MSIL" and the processor architecture of the reference "XGamingRuntime", "AMD64".

The Microsoft GDK and Windows only support x64.

To resolve these issues:

In the Unity Editor, select File > Build Settings.
Select your platform. Then from the Architecture dropdown, select either x86_64 or x64.
Select Player Settings.
In the right pane, select Other Setting.
Find the Allow unsafe Code setting and select it.
Close the Build Settings and Project Settings windows.

Connecting to a network

This part of the guide shows you how to Create and Join a network.

Open the HelloPartyLogic.cs script. In the OnLoginSuccess method, add the following code to create and join a network:

PlayFabMultiplayerManager.Get().CreateAndJoinNetwork();
PlayFabMultiplayerManager.Get().OnNetworkJoined += OnNetworkJoined;

To define the OnNetworkJoined event handler, add the following code to the class:

private void OnNetworkJoined(object sender, string networkId)
{
    // Print the Network ID so you can give it to the other client.
    Debug.Log(networkId);
}

Save and select Play in the Unity Editor. The Network ID displays in the Console window.

Joining an existing network

This part of the guide shows you how to join an existing network that another client created.

Open the HelloPartyLogic.cs script. In the OnLoginSuccess method, add the following code to Join a network:
```
string networkId = "<your network id>";
PlayFabMultiplayerManager.Get().JoinNetwork(networkId);
```
To define an event that fires when your local client joins the network, add the following code to the OnLoginSuccess method:
```
PlayFabMultiplayerManager.Get().OnNetworkJoined += OnNetworkJoined;
```
To define the OnNetworkJoined event handler, add the following code to the class:
```
    private void OnNetworkJoined(object sender, string networkId)
    {
        // Print the Network ID so you can give it to the other client.
        Debug.Log("Network joined!");
    }
```
There are many ways to get the Network ID from the host to other players who want to join. Refer to the sample in this Unity plugin for an example of how to do that.
Save and select Play in the Unity Editor. The string "Network joined!" displays in the Console window.

Accessing other players

This part of the guide shows you how to access other players on the network, including the local player.

To listen for new players joining and leaving the network, register for the OnRemotePlayerJoined and OnRemotePlayerLeft events.

Open the HelloPartyLogic.cs script. In the OnLoginSuccess method, add the following code to Create and Join a network:

PlayFabMultiplayerManager.Get().OnRemotePlayerJoined += OnRemotePlayerJoined;
PlayFabMultiplayerManager.Get().OnRemotePlayerLeft += OnRemotePlayerLeft;

Add the following methods to the class:

private void OnRemotePlayerLeft(object sender, PlayFabPlayer player)
{
}

private void OnRemotePlayerJoined(object sender, PlayFabPlayer player)
{
}

To access the local player, add the following code to the OnRemotePlayerJoined method:
```
var localPlayer = PlayFabMultiplayerManager.Get().LocalPlayer;
```

The PlayFabPlayer class contains properties for identifying the player, muting, and rendering their chat state in a chat UI.

Sending and receiving data messages

This part of the guide shows you how to send and receive data messages. Before you can start sending and receiving data messages, you must join a network.

Open the HelloPartyLogic.cs script. In the OnLoginSuccess method, add the following code to listen for data messages:
```
PlayFabMultiplayerManager.Get().OnDataMessageReceived += LocalPlayer_OnDataMessageReceived;
```

Add the OnDataMessageRecieved event handler to the class:

private void OnDataMessageReceived(object sender, PlayFabPlayer from, byte[] buffer)
{
    Debug.Log(Encoding.Default.GetString(buffer));
}

To send a data message, add the following code to the Update method:

if (Input.GetButtonDown("Fire1"))
{
    byte[] requestAsBytes = Encoding.UTF8.GetBytes("Hello (data message)");
    PlayFabMultiplayerManager.Get().SendDataMessageToAllPlayers(requestAsBytes);
}

Save HelloPartyLogic.cs and select Play in the Unity Editor.

In a second client, repeat the steps from Connecting to a network to create and join a network.
Copy the Network ID returned to your first client and connect to the network.
Select on the scene to send a message. "Hello (data message)" displays in the Console window.

Sending and receiving chat messages

This part of the guide shows you how to send and receive chat messages and mute remote players. In addition to text chat, Party automatically enables voice chat between players.

Before you can start sending and receiving chat messages, you must join a network.

Open the HelloPartyLogic.cs script. In the OnLoginSuccess method, add the following code to listen for chat messages:
```
PlayFabMultiplayerManager.Get().OnChatMessageReceived += OnChatMessageReceived;
```

Add the event handler OnChatMessageReceived to the class;

private void OnChatMessageReceived(object sender, PlayFabPlayer from, string message, ChatMessageType type)
{
    Debug.Log(message);
}

Save HelloPartyLogic.cs and press Play in the Unity Editor.

In a second client, repeat the steps from Connecting to a network to create and join a network.
Copy the Network ID returned to your first client and connect to the network.
When you select on your scene, it sends a message and which displays in the Console window.

If you want to give your players the option to mute other players, set the IsMuted property to true.

private void OnRemotePlayerJoined(object sender, PlayFabPlayer player)
{
    // This player will not be able to send text or voice communication.
    // Data messages can still be sent.+
    player.IsMuted = true;
}

Connecting to a network with custom peer connectivity configuration options

This part of the guide shows you how to Create and Join a network with custom peer connectivity configuration options. The default option is P2P, however, using any combination of the flags presented here: DirectPeerConnectivityOptions, the user can modify this option. This example shows how P2P is set:

Open the HelloPartyLogic.cs script. In the OnLoginSuccess method, add the following code to create and join a network:

PlayfabNetworkConfiguration networkConfiguration = new PlayfabNetworkConfiguration();
networkConfiguration.DirectPeerConnectivityOptions = PARTY_DIRECT_PEER_CONNECTIVITY_OPTIONS_ANY_PLATFORM_TYPE |
                                                     PARTY_DIRECT_PEER_CONNECTIVITY_OPTIONS_ANY_ENTITY_LOGIN_PROVIDER;
PlayFabMultiplayerManager.Get().CreateAndJoinNetwork(networkConfiguration);
PlayFabMultiplayerManager.Get().OnNetworkJoined += OnNetworkJoined;

Handling title suspension

Some platforms support temporarily suspending execution of your title: iOS, Switch, and GDK. When your title is suspended, the network stack becomes invalidated and PlayFab Party is unable to maintain a connection to the PlayFab Party network. Special consideration is required to handle suspending and resuming execution of your title when using PlayFab Party.

iOS

On iOS, you must leave and reconnect to the PlayFab Party network, which can be achieved by calling ResetParty()

Switch and GDK

On Nintendo Switch and Microsoft GDK, you must clean up PlayFab Party and all resources associated with PlayFabMultiplayerManager then wait until the title execution resumes before reinitializing PlayFab Party and reconnecting to your network.

"To clean up PlayFab Party during a title suspension call Suspend(). Once the title has resumed execution call Resume() to reinitialize PlayFab Party.

Once PlayFab Party and all resources associated with PlayFabMultiplayerManager are successfully initialized, repeat the steps to Join an existing network.

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