Need help squeezing a player canvas data into as much little space as possible!

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#1

Hey there,

I’m in a bit of a pickle with a Roblox project I’m working on, and I could really use your brainpower. Here’s the deal: I’m trying to save player-painted masterpieces, but Roblox is throwing a fit with its 4MB limit per entry.

I tried saving each pixel’s X and Y on individual, but that seems to take much more space than I thought, considering that Roblox saves data as characters (byte) instead of bit, and so I thought maybe I could make a detection system where it detects IF any of the surrounding pixels around a singular pixel, IS of the same properties (Color, Opacity . . . etc.) and add a data holder signifying the direction of the surrounding pixel and the number of it; but that one seems to be a hell lot of work and I don’t have the capacity in my mind to rethink all my life choices, anyways, after that I tried compiling all the Pixel’s coordinates using the old base64 trick, but that only seems to cover up 35% free space overall, and it only works for large file data’s such as 10,000 bytes and stuff, u know . Leaving me with no dice howsoever. So, I’m on the hunt for a fresh approach.

I also know that there could be a use of more than just one datastore but I don’t really think if that’s really applicable or not, I would love if u answer this question too!

Got any wild ideas or sneaky hacks up your sleeve to help me squeeze the players data so it allows more than 10 pictures for a 4MB box? I’m all ears!

Thanks a bunch!!

#2

If you’re using EditableImages, here’s a really solid resource you can use: QOI: The Fast and Lossless Image De-/Compressor, ported to Luau

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#3

Whatever approach you’re using for images, as already suggested I think your best bet is to write an implementation for an image compression and decompression algorithm. You could probably modify the code for the QOI implementation to suit your needs.

2 Likes
#4

Wow, never heard of such thing, I will try implementing it right away, but may i ask few questions, the documentation said this is a beta feature and cannot be used by published games, is that true for the moment or has anything changed by now?

#5

Unfortunately, it is still true for the moment. The feature, as far as I know, was said to be released around 2025. Also, thank you @Katrist for recommending my resource! Really means a lot to me :slightly_smiling_face:

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#6

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