Does anyone have some good resources with solid example code for writing network code for games? I'm fine with socket code, just the actual syncing and interpolation to make movement/animation between two clients look smooth and proper is really not going well for me. I looked through a few books but most were hundreds of pages long and the stuff I'm interested in is drowned in 400+ pages of instructions for doing things in very old depreciated versions of directx. I've had no problem setting it up in things like Unity that handle all the fancy interpolation and timing for you, but I find using things like Unity cause me a lot of grief when I want to start doing more complicated things like hosting multiple rooms on the same server.
Any resources you guys know of that could help? To be more specific I mean real time authoritative server/client setups such as is often used for the source engine. The source engine papers are interesting and helpful, but not easy to reproduce for someone's beginner attempts at networked gaming. No help needed at all with transmission of data really, more just making that data sent useful and smooth looking to the client.