Snapshots

[janhohenheim]

In light of lag compensation, how good are collider's capabilities to reset it's simulation to a given snapshot, i.e. a certain timestamp in the past or a list of state from that time?

[SergiusIW]

There are no provisions in Collider for viewing past state. If you really want to keep details from a specific past timestamp, perhaps you could clone the Collider instance at that time?

[janhohenheim]

Thanks for the answer :)

So, is the following scenario possible?

• Player shoots an enemy and tells that to the server
• The server takes a copy of the Collider instance that was made at the time of (now - player_lag)
• The server changes some state of that copy by applying the input of the player that scored a shot
• The server fast-forwards the copy to be up to date with the original
• If the server confirms the shot, the original gets replaced by the copy

Additional questions: Is the Collider instance safe to be

• sent
• shared

between threads?

Because I want to use it together with specs