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Written by oli on 2024-11-09 at 11:51

I wrote a Rust version of @runevision 's LayerProcGen: https://crates.io/crates/layer-proc-gen

It has a small demo in the examples (i'll set it up on GitHub pages so you can try it out in the browser soon™️)

Initially I replicated the C# 1:1 (modulo internal layers and multithreading), and then modified it to feel more Rust-like (to me) as I extended the demo further.

It's entirely game engine independent, even though the demo is written for macroquad

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Written by Rune Skovbo Johansen on 2024-11-09 at 15:50

@oli This is really interesting, and sounds cool!

I'm curious to better understand the differences in your version, like not having to implement layer types, and data being generated just-in-time. Unfortunately I don't know Rust well enough to really understand the code. Do you think these might work in C# as well or do they rely on Rust features?

What would be equivalents of the GetRoadsOverlappingBounds and GetRoadsOwnedWithinBounds example functions on this page?

https://runevision.github.io/LayerProcGen/md_Patterns.html

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Toot

Written by oli on 2024-11-09 at 19:20

@runevision one thing I only noticed because Rust doesn't have a GC, is that DecrementUserCountOfLevel can be automated by using weak reference counted pointers. C# appears to have them in the form of https://learn.microsoft.com/en-us/dotnet/api/system.weakreference?view=net-8.0

It should be possible to put the actual chunk data behind this weak ref. If all strong refs (well normal C# by-ref values) have been GCed, the weak ref allows the actual chunk data to be GCed, and future attempts to access that chunk will fail

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