Thinking of using NATS Jetstream for Multiplayer

[gedw99]

This golang package looks really promising

I want to use NATS Jetstream for multi player.

https://github.com/nats-io/nats.go

This NATS client can run on Web ( as wasm ), desktops and mobiles.

I know other Game servers also use NATS, as its a real time PUB SUB style system.

When I dug into Godot docs, It seems tricky to use a custom network transport, so I figured it was worth raising here as you probably have more knowldge of GoDot and Goalng than I do.

https://docs.godotengine.org/en/stable/tutorials/networking/index.html

NATS can also use Websockets, but we you loose the nice aspects with the nats.go system of geo physical load balancing that is client side based. It connects to the nearest server basically.

[Splizard]

Am I correct to assume that you want to build a Godot extension that adds a Nat-powered networking layer?

Godot has some low level networking interfaces, PacketPeer and StreamPeer, although these are typically implemented by UDP and TCP respectively. There's also a MultiplayerPeer interface for higher level protocols.

I understand NATS Jetstream to be a reliable delivery message queue implementation, would you be looking to implement a NatsMultiplayerPeer 'class' in Godot?

[gedw99]

Hey @Splizard

Sorry about delayed response.

NatsMultiplayerPeer is exactly what I am looking into.

What do you think ? I was not sure if the GoDot client can be augmented or if I need to put in an adapter at the golang level that manipulates the messages / packets for the GoDot Client. Sorry if I am not explaining myself well here, but I am still getting to grips with how GoDot networking really works.

[gedw99]

actually it maybe that all we need to do is import the nats.go into the golang code and nothing else.

SO then nats would communicate with the devs golang code which would then control the asset. Maybe I am wrong though as I am yet to actually try out this code.

NATS also works over web, desktop and mobile.

for web I compile the golang projects to WASM and nats is compiled in.

[Splizard]

Yes, this could work if you are building the solution specifically for your project.

Note we don't support gdextension for WASM yet. Godot is compiled via emscripten, which has a dynamic library mechanism and calling convention im not familiar, nor am I aware of any projects that enable Go to be built as a shared library in this way (compatible with emscripten).

[gedw99]

thank you

I will give nats integration a try and PR an example once it ready.