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Not rewriting it in Rust, and on Unity's C# source release

27.3.2018 10:04:43

Ain't not rewriting it in Rust

Who hasn't heard the phrase "rewrite it in Rust"? I certainly have, and yesterday finally thought, "you know, maybe I should give the language a try - a safer version of C sounds pretty tempting". So I installed rustc, opened a quick tutorial from the web and dived in at the shallow end.

I got as far as structs in about 5 minutes. So off I went and declared my struct:

struct s {
x: i32,
y: i32
All well and good I thought, but the compiler decided to be nasty. It told me:
warning: type `s` should have a camel case name such as `S`

I'm sorry, but I don't think its the job of the language to tell me how to name my data structures or variables, other than for things like whether they can include spaces/numbers or not, etc. I can go along with indentation marking scope, like in Python or other languages - I believe that's been proven to improve readability across the board. But I'm not interested in styling my naming conventions after the personal tastes of the creator of the language.

I realize styling warnings can be disabled via compiler options, but if its in the standard, you probably shouldn't. So I guess that's it for Rust from my part for now.

Unity's C# source code reference-only release

Unity recently decided to release it's engine and editor C# source code. The C++ core of the engine remains out of sight, and even the C# release is made under a reference-only license, meaning that modifying the source is not allowed. So, unfortunately we don't come even close to fulfilling the four software freedoms as traditionally defined. Unity seems to stress this themselves in the blog post. And of course, one may argue this means little since the C# source code could already be decompiled by parties interested. But I won't deny it's still a very small step in the right direction.

The release, I think, is not that big of a deal though. Unortunately, Unity still appears to hold some old-fashioned views popular in the proprietary software sphere, as proven by this statement, taken directly from the Unity blog: Wed open source all of Unity today if we thought we could get away with it and still be in business tomorrow.

I don't think that statement makes much sense. Of course taking a more open approach would require slight adjustments in the way the company does business, but Unity is already in the market of software as a service. It's not just the engine itself, its the documentation and updates people want. Even if they had a fairly open license that allowed reading, modifying and distributing source code, Unity could keep on raking in the money from the 5% they charge from people who make games built with their engine. The source being open would, I believe, really have no negative effects from this point of view. Also, knowing Unity's limitations (which are many), I'm fairly sure there's no such advanced technology inside the engine that it would do much for a competitor to read the code, especially considering their main competitor, Unreal Engine 4, already has it's source visible.

Well, here's to hoping software vendors slowly come to their senses. Free/open source is not only ethical, but also practical - knowing your underlying technology from the inside out certainly makes it easier to make a good game.