I so want to get into this one day (I am already arena-pilled) but to I am so productive in Odin that I feel like it would be bikeshedding to some extent to learn more of this. Kinda. Don't know. What's your approach in your games in regards to memory management and dynamic stuff? - ThreadSky

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p1xelher0.com • 25 days ago

I so want to get into this one day (I am already arena-pilled) but to I am so productive in Odin that I feel like it would be bikeshedding to some extent to learn more of this. Kinda. Don't know.

What's your approach in your games in regards to memory management and dynamic stuff?

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sebdegraff.bsky.social•25 days ago

Yeah I see what you mean. I'd say if your current setup works, keep it until you feel the need to change.
I currently use stb_ds.h which provides "stretchy buffers" and hashmaps. It uses malloc/realloc/free which I don't love, but it works. I try to use fixed C arrays and static allocations when \

sebdegraff.bsky.social•25 days ago

possible. I didn't know much about arenas when I started, so I only have a single temporary arena that I reset every frame. I use it to return strings or arrays from utility functions, and copy the result if it needs to persist beyond the frame boundary (rare in practice).
I'm happy with this, but \

sebdegraff.bsky.social•25 days ago

at some point I'd like to make my own version of stb_ds.h, using a style closer to Chris (https://nullprogram.com) and with arenas in mind. I don't think I'll go full on passing arenas as function params for everything, but I'd like to try it and maybe leave the option to do it for some things

p1xelher0.com•24 days ago

Yeah I ended up doing the same. I set a "budget" for things and use fixed sized arrays, we'll see how long that lasts...

Cool, Odin has this pattern kinda "built in" with the `temp_allocator` which is an arena made for short lived allocations. There are obviously people with the same ideas here. :D

p1xelher0.com•24 days ago

It's fun to see these patterns emerge in several places... Odin, Zig, Chris, the RAD Debugger. I'm only scared of it in C because I'd have to _implement it_. Odin is a nice middle ground for me because I can experience it without having to implement it I guess 😅

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