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Offline bitshit

Junior Devvie

Java games rock!!

« Posted 2005-12-29 18:16:55 »

Whats a good strategy to record a sequence of gamestates?

Kinda like a playback for a race game, I guess I'd need a fixed timestep to increment my gamelogic with, fx each 10ms between gamelogic updates indepenand of framerate. But what would be a good way to store the gamestate variables each 10ms? I know serialisation is overkill, write them in a dataoutputstream? And maybe wrap this around a zipstream to compress it a bit?

I guess it's also closely related to networking games, that also need to send gamestate updates regulary but then over the network...
Offline elias

Senior Devvie

« Reply #1 - Posted 2005-12-29 20:03:06 »

Another strategy is keeping the game state deterministic and only recording input (key presses). Take a look at

to see what I mean. Make sure to use strictfp if your game state involves floating point operations.

 - elias

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