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I highly recommend this hour-long video from a Call of Duty developer discussing not only methods they use to transmit game states between client and server, bu

I highly recommend this hour-long video from a Call of Duty developer discussing not only methods they use to transmit game states between client and server, but also some interesting ways that they measure true perceived latency (like using high-speed cameras and LCD monitors to compare true input-to-display latencies between different builds). https://www.youtube.com/watch?v=EtLHLfNpu84 https://www.youtube.com/watch?v=EtLHLfNpu84

magicalhippo 5y ago
Battle(non)sense did some videos on Battlefield 4 regarding netcode and latency back in the day, including one regarding input latency[1]. He wired up a LED to the mouse button, so it lit up when the button was pressed. By filming both the monitor and the LED with a high-speed camera he could measure the true input lag. BF4 had quite horrible netcode on launch, but after a valiant effort by Viceral it got quite good, at least on PC. Sadly the game had lost momentum at that point, almost two years after launch, so not many players left to enjoy it. https://www.youtube.com/watch?v=4GnKsqDAmgY https://www.youtube.com/watch?v=4GnKsqDAmgY