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Simple Network Chat Walkthrough

Getting a reference to ProtonManager

Before you do anything with Proton, you need a reference to ProtonManager. In your onEnable() method, store a reference to it.

public void onEnable(){
    manager = Proton.getProtonManager();
}

A reference to ProtonManager will allow you to use all of Proton's API.

Forward chat messages network-wide

Create an event listener for the async chat event and broadcast your custom data there. In this case, we opted for a container class which holds the player name and message.

@EventHandler
public void onPlayerChat(AsyncPlayerChatEvent event){
    PlayerMessage message = new PlayerMessage(event.getPlayer().getName(), event.getMessage());
    manager.broadcast("networkchat", "chatMessage", message);
}

Here we're broadcasting to the namespace networkchat with the subject chatMessage

Listen for the broadcasted message

Here we will listen for broadcasted messages using a MessageHandler

@MessageHandler(namespace = "networkchat", subject="chatMessage")
public void onChatReceived(PlayerMessage message){
    getServer().broadcastMessage(String.format("<%s> %s", message.getPlayer(), message.getMessage()));
}

Notice: We are listening for the same namespace and subject as we sent. We are also expecting the same datatype we sent.

We must also register our MessageHandlers with Proton. This is done through the registerMessageHandlers method.

public void onEnable(){
    manager = Proton.getProtonManager();
    if(manager != null){
        manager.registerMessageHandlers(this, this);
    }
}

We're done! You will now be able to chat network-wide.

Full Code (with Bukkit API calls)

NetworkChat.java

public class NetworkChat extends JavaPlugin implements Listener {

    ProtonManager manager;
 
    public void onEnable(){
        manager = Proton.getProtonManager();
        if(manager != null){
            manager.registerMessageHandlers(this, this);
        }
        getServer().getPluginManager().registerEvents(this, this);
    }

    @EventHandler
    public void onPlayerChat(AsyncPlayerChatEvent event){
        PlayerMessage message = new PlayerMessage(event.getPlayer().getName(), event.getMessage());
        manager.broadcast("networkchat", "chatMessage", message);
    }

    @MessageHandler(namespace = "networkchat", subject="chatMessage")
    public void onChatReceived(PlayerMessage message){
        getServer().broadcastMessage(String.format("<%s> %s", message.getPlayer(), message.getMessage()));
    }

    public class PlayerMessage {
        String player;
        String message;

        public PlayerMessage(String player, String message) {
            this.player = player;
            this.message = message;
        }

        public String getPlayer() {
            return player;
        }
        
        public String getMessage() {
            return message;
        }
    }
}

Simple Network Chat Walkthrough

Getting a reference to ProtonManager

Before you do anything with Proton, you need a reference to ProtonManager. In your onEnable() method, store a reference to it.

public void onEnable(){
    manager = Proton.getProtonManager();
}

A reference to ProtonManager will allow you to use all of Proton's API.

Forward chat messages network-wide

Create an event listener for the async chat event and broadcast your custom data there. In this case, we opted for a container class which holds the player name and message.

@EventHandler
public void onPlayerChat(AsyncPlayerChatEvent event){
    PlayerMessage message = new PlayerMessage(event.getPlayer().getName(), event.getMessage());
    manager.broadcast("networkchat", "chatMessage", message);
}

Here we're broadcasting to the namespace networkchat with the subject chatMessage

Listen for the broadcasted message

Here we will listen for broadcasted messages using a MessageHandler

@MessageHandler(namespace = "networkchat", subject="chatMessage")
public void onChatReceived(PlayerMessage message){
    getServer().broadcastMessage(String.format("<%s> %s", message.getPlayer(), message.getMessage()));
}

Notice: We are listening for the same namespace and subject as we sent. We are also expecting the same datatype we sent.

We must also register our MessageHandlers with Proton. This is done through the registerMessageHandlers method.

public void onEnable(){
    manager = Proton.getProtonManager();
    if(manager != null){
        manager.registerMessageHandlers(this, this);
    }
}

We're done! You will now be able to chat network-wide.

Full Code (with Bukkit API calls)

NetworkChat.java

public class NetworkChat extends JavaPlugin implements Listener {

    ProtonManager manager;
 
    public void onEnable(){
        manager = Proton.getProtonManager();
        if(manager != null){
            manager.registerMessageHandlers(this, this);
        }
        getServer().getPluginManager().registerEvents(this, this);
    }

    @EventHandler
    public void onPlayerChat(AsyncPlayerChatEvent event){
        PlayerMessage message = new PlayerMessage(event.getPlayer().getName(), event.getMessage());
        manager.broadcast("networkchat", "chatMessage", message);
    }

    @MessageHandler(namespace = "networkchat", subject="chatMessage")
    public void onChatReceived(PlayerMessage message){
        getServer().broadcastMessage(String.format("<%s> %s", message.getPlayer(), message.getMessage()));
    }

    public class PlayerMessage {
        String player;
        String message;

        public PlayerMessage(String player, String message) {
            this.player = player;
            this.message = message;
        }

        public String getPlayer() {
            return player;
        }
        
        public String getMessage() {
            return message;
        }
    }
}