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8 Frames in 16ms: Rollback Networking in Mortal Kombat and Injustice 2

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Further reading 1

I already threw the punch. Which frame can a late input change? →Rewind in Braid, play a fighting game over a delayed connection, then throw a grenade in Halo: Reach. Each action asks something different of the engine: recover a past state, revise a prediction, or wait for authority.This video helps answer · Replay the same past with a different input

Caption notes

The fighting game advances before the remote input arrives. When a prediction misses, the engine restores state and simulates forward. The talk separates the cost of those extra ticks from the final rendered frame.

Community transcript ↗
Original passages · 2
The game will proceed without remote input, and when remote input is received, we will roll back and then simulate forward.
8 Frames in 16ms: Rollback Networking in Mortal Kombat and Injustice 2 · ▶ 8:48–8:53
The simulated frames are the ones that you simulate forward with a stripped down version of the game to get back to the current tick.
8 Frames in 16ms: Rollback Networking in Mortal Kombat and Injustice 2 · ▶ 14:31–14:38

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