this post was submitted on 05 Jun 2024
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That's insane, what's making up all that data?
Most games never hit anywhere near that, but some large open world rpgs like Skyrim track the location of every single object in the game world. Like you can drop a piece of cheese on the bottom left corner of the map, come back 500 hours later, and it'll still be there. now imagine all of the objects you're buying and selling and manipulating over those hundreds of hours. Now add in a shit ton of script mods and other stuff that may add even more objects. And add in all of the quest data and interaction data that gets saved etc etc, and your save file can easily hit multiple gigabytes, with each file approaching 200mb.
It still feels like it should be orders of magnitude less. For example, if each piece of cheese has an ID number that maps to cheese, an ID for what area it's in, three coordinates for where exactly it is, and maybe a few more variables like how much of it you've eaten. Each of those variables is probably only a couple of bytes, so each item is probably only 20B or so, which means that even if you interacted with a million different items and there was no compression going on then that's still only 20MB of save data.
Each object also needs the orientation, possibly also velocity and angular rates.
Yeah that's why I rounded up a bit. But even if there's triple the amount of cheese data then a million cheeses is still only 60MB