I'm still relatively new to C#/Unity but does anyone else think async/await is really harmful in games? Is it just me? (cc @kurtismcc )
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The point is in a traditional state machine, it’s obvious when you abort, because you just don’t call advance. When that’s happening on another thread, you don’t know when it’s safe to tear down because you aren’t the thread calling advance() or idle() or whatever.
Do you need to worry about concurrency though? Async can be single threaded right?
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Async safety doesn’t just mean concurrent safety. An await that’s holding a lock still needs to be cancelled nicely.
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Yes - Even if single-threaded, if it's a state machine with member variables: 1. I can clear/destruct the state if needed 2. I can find it to output in a debug tool 3. I know there is only one copy of it It's the fact that some program state is sort of hidden that bugs me.
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I see. Yeh, that's fair. Full disclosure - I was wondering about async in game tech a few months ago so I wrote a little async game to test it.
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