IRC logs for #openttd on OFTC at 2024-08-24
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02:01:05 <talltyler> What did you change?
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04:44:04 <DorpsGek> - Update: Translations from eints (by translators)
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06:46:18 <truebrain> had to restart the dibridge; some connections got stuck again
06:46:20 <truebrain> still need to figure out why 😄
06:46:31 <truebrain> and also: the nomad cluster lost their leader, and failed to recover on its own. Very odd.
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07:29:13 <dwfreed> truebrain: the underlying failure is that both IRC servers that were in rotation earlier had IPv6 issues
07:29:29 <truebrain> but it shouldn't just "hang" because of it
07:29:33 <truebrain> that is just bad design on my part 😄
07:29:50 <dwfreed> network error handling is Hard
07:30:04 <dwfreed> Things just get quirky sometimes
07:30:37 <dwfreed> but if you want to test it, just use the firewall to drop the traffic between dibridge and the ircd in your test instance
07:30:56 <truebrain> yeah .. "most" of the time it recovers fine
07:30:59 <truebrain> just sometimes it doesn't 😛
07:34:56 <truebrain> on a positive side, Sentry does tell me it failed 🙂 So that is why I knew to restart it
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08:28:32 <peter1138> talltyler: Revisiting split ticks. That seems to be an outlier, other stuff seems worse
08:30:34 <peter1138> Probably std::map isn't a very good container for it
08:33:13 <peter1138> I could maybe try a linked list
09:28:29 <peter1138> Wentbourne is marginal
09:42:00 <peter1138> Not much difference between linked-list and std::map it seems.
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10:12:11 <michi_cc[d]> std::list, std::forward_list, or some custom thingy?
10:13:15 <peter1138> Custom, prev/next pointers inside Vehicle.
10:13:58 <peter1138> So memory wasting but quick insert/removal, and iterating is already in the correct place.
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10:19:33 <peter1138> Of course if there's ever a ConsistPool that's almost the same thing.
10:19:52 <peter1138> Although that would not be split by vehicle type.
10:21:07 <peter1138> But IIRC the PerformanceAccumulator performance issue does not occur on Linux anyway, so maybe this is more of a benefit on other OSes.
10:23:32 <peter1138> std::map has the advantage of not needing any savegame changes.
10:24:03 <peter1138> Use next pointers needs to be saved as the insert/removal order is important.
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11:00:39 <NGC3982> did openttd remove the option to follow vehicles with the camera?
11:01:52 <peter1138> No, but the button was moved for "consistency"
11:04:26 <_jgr_> It's the rounded pin icon in the title bar
11:04:40 <_jgr_> You need to double-click it to follow
11:05:29 <NGC3982> the single most important functionality in openttd tbh
11:22:20 <peter1138> It'll fail but whatever :S
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15:03:15 <peter1138> > this->line_height = FONT_HEIGHT_NORMAL + WD_MATRIX_TOP + WD_MATRIX_BOTTOM
15:03:21 <peter1138> This might be a bit out of date.
15:33:59 <peter1138> Oh, this IS 5 years old, lol
15:35:26 <andythenorth> ship waypoints with docks?
16:44:53 <peter1138> Citroens and Peugeots?
17:56:21 <peter1138> Uh oh. Didn't bother today of course, too wet.
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18:02:22 <LordAro> it was supposed to be here too, but never materialised
18:20:57 <peter1138> I was supposed to be going to the mother-in-law's, but that never materialised either.
18:53:25 <peter1138> Nice, station taking major advantage of max station spread 😄
18:53:50 <peter1138> (I had it high to test large station layouts)
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20:40:46 <yiffgirl> how helpful are reviews from people who don't know the relevant code inside out
20:40:46 <yiffgirl> not very if at all, i'm guessing
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20:43:04 <audigex> Depends on what they're changinge, I guess
20:43:04 <audigex> Sometimes you don't need as much context, other times you need ALL the context
21:07:04 <peter1138> If you see something and are thinking "wtf is this" then sure.
21:18:20 <yiffgirl> peter1138: right now it's more the opposite, "i see no problem with this" type stuff
21:18:34 <peter1138> That's not really useful
21:22:50 <peter1138> Hmm, I wonder if there's a C++ way to do our Colour union.
21:36:13 <peter1138> It's UB. Technically.
21:40:04 <_jgr_> How is it UB? This is the whole point of unions.
21:56:09 <peter1138> > It is undefined behavior to read from the member of the union that wasn't most recently written.
21:56:52 <peter1138> C++ way of unions is std::variant, which precludes type-punning.
21:58:09 <michi_cc[d]> There's std::bit_cast, but that doesn't help that much either, I guess.
21:58:16 <peter1138> std::bit_cast<> exists in C++20, but that's very explicit
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22:06:28 <exceptik> peter1138: are you saying that they made a "tool" to make my floats char arrays while deprecating the good ol memory address variable type cast?
22:07:02 <peter1138> No, it was always UB.
22:14:34 <michi_cc[d]> peter "forgot" to quote the next sentence 🙂
22:14:34 <michi_cc[d]> any compilers implement, as a non-standard language extension, the ability to read inactive members of a union.
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22:19:54 <goddess_ishtar> isn't that still technically undefined tho
22:22:50 <_jgr_> Technically, though it's difficult to see how a compiler could possibly get it wrong
22:29:11 <michi_cc[d]> Some of the areas in the C/C++ standard with undefined behaviors (e.g. signed int types, memory representations) are understandable when you know that two's complement and CHAR_BITS == 8 wasn't a given when C was first invented. But nowadays there are very, very, very few exceptions to these, so while it might be undefined in standardeese, is quite defined in reality.
22:33:17 <_jgr_> Still, the committee have had plenty of time to sort out the various wacky parts of the spec. In some respects it's not too surprising that Rust is starting to eat its lunch.
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