Unreal multiplayer and networking under the hoods

Development Programming & Scripting Multiplayer & Networking
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Hi!

I’m using Unreal 5.0.3. and I want to learn to program multiplayer games.

Do you know if there is documentation or a book that tells about what happens under the hood?

For example, what happens when a player join a session on a server? Does the server sent to the player all the replicated data? Which methods run and where they run?

Thanks!

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Lots of info here (and the other pages in Networking section)

As usual though, engine source code is your best documentation book :stuck_out_tongue:

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Use the following PDF as an Unreal Engine networking primer: https://cedric-neukirchen.net/Downloads/Compendium/UE4_Network_Compendium_by_Cedric_eXi_Neukirchen.pdf

Then, check out the Unreal docs starting here Networking Overview for Unreal Engine | Unreal Engine 5.1 Documentation