Sending chat messages

Godot Engine’s RPCs allow for efficient data transmission between clients and the server in multiplayer games. We can create an RPC method for this specific purpose, with message data as arguments. The transmission can be either reliable or unreliable, depending on the needs of the application. Once the message is sent, it’s received by the appropriate recipients (including clients and the server) who handle it appropriately, such as by displaying it to the user or logging it. We did that in the Understanding data exchange and channels section when we made the add_message() method.

Sending messages using Godot’s RPCs is a straightforward process that involves defining the message format. In our case, we use the player’s avatar name and the message content, as seen previously, calling an RPC method to transmit the message and handling the message appropriately on the receiving end.

We are going to implement a method to read the...