Actor Replication. Property Replication. Gameplay Framework. UE4 multiplayer is based around the client-server model. This means that there will be a single server that will be authoritative over game state, while connected clients will maintain a close approximation. The server is an important part of UE4 multiplayer. It makes all of the important decisions, contains all of the authoritative state, handles client connections, travelling to new maps and handles the overall gameplay flow of starting a match, ending it, etc. Dedicated servers are headless by default.
How to set up and package a dedicated server for your project.
An overview of the role of the server in multiplayer.
In order to build dedicated servers for Windows, you need a source build of Unreal Engine. Check out Building Unreal Engine from Source. It's also not possible to build an engine from scratch with the blueprint-only project. This is supposed to be an updated version of the Legacy equivalent, and the plan is to split it into three pages. Note again wait until the header files have all been parsed in the Visual Studio before closing. Open up the previously created project folder from the file explorer inside there will be a folder called Source. Paste below snipper to your new file. Simply replace "MyGame" with your project codename.
Build Unreal and cross-compiling for Linux
To build a dedicated server in Unreal, you will need to build the Unreal Engine from source. Documentation about this can be found here:. If above gave an error about. We are going to use the default Third Person example game. It already has built-in multiplayer working. Run UE4 from Visual Studio that you built in the previous section. You should be able to run the game with a dedicated with this setting:. The dedicated will spawn a character also. It's not what we would want in a final product, but we will use this hint as proof that our dedicated works and we didn't start a standalone.
NOTE - Apologies for the video quality of the tutorials. They were recorded in p and decent quality but for some reason after uploading to you tube they became horribly blurred. I will redo them ASAP. Note: to see the content of the link above you need first to create a git hub account and associate it to your epic games account, then accept the invite of epic games on GitHub. You will then need to click the link and login to your account. Note if you receive any errors when trying to open the. If you are using visual studio Instead of clicking on the GenerateProjectFiles. Open up a CMD prompt window. Navigate to the folder where source built unreal files are by using the cd change directory command.