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Messages - Duplode

#1
Couldn't get any racing done this month yet, but I'll try and get a lap in at some point between Thursday and Sunday!
#2
Hello @Foxpup , welcome to this little corner of the Internet!  :D

On ride height: Repldump reports the height of the car (i.e. the vertical carstate coordinate) as a constant 8 in 3D shape units. If we make the straightforward assumption that the carstate position is the origin for rendering the 3D shape, your estimation is exactly right!

On wheels: Indeed, your description is right, and the Wiki was wrong. Though that's something we stumble at every so often, actually correcting the text somehow had always fallen through the cracks. That being so, I've just plastered a band-aid on the article (it still needs a replacement picture at least).

Looking forward to see your vehicle, do keep us updated!  :)
#3
Chat - Misc / Re: Avatar Fight
Today at 12:21:11 AM
Taking a leaf out of Looping's book and changing my avatar to the Osasco logo for the length of the Club World Championship!

You cannot view this attachment.
#4
Stunts Related Programs / Re: SDL 3
November 24, 2025, 05:03:25 AM
Quote from: Matei on November 23, 2025, 05:03:16 PMWhich version of xMOn@D do you have? I have 0.18.0.

0.18.0 here as well.

Anyway, I found a reasonable workaround for me on the XMonad side: remove the borders of Simcar windows upon window creation. If I were to insist on having the borders, it would also have been possible to fix it by growing the window to account for the border, along the lines of what's described in this issue tracker comment.
#5
Motor sports, Racing / Re: F1 2025
November 23, 2025, 01:13:52 PM
Quote from: Duplode on October 21, 2025, 11:58:49 PMIt will be an impressive feat if McLaren manages to fumble the driver's title -- it's surely not beyond them!

"McLaren apologise to Norris, Piastri and fans for Las Vegas GP disqualification" 👀

#6
General Chat - ZSC / Re: Folyami ratings monthly updates
November 22, 2025, 11:51:13 PM
It's time for the ZCT292 update of the rankings!

Before we get to the update proper, I should note the rankings have been revised to account for the scoreboard changes triggered by the replay cloning incident. You can gauge what changed by looking at the before and after of the ranking at ZCT291. The changes have revealed a few individual achievements from the past several races: Frieshansen reached the 2000 points milestone at ZCT285, Zapper got a personal best of 1855 points at ZCT287, and KyLiE had a joint personal best of 2076 points at ZCT291.

As for ZCT292, it saw HerrNove, KyLiE, MiDiaN and Spoonboy reaching personal best ratings, as well as stanceboyCZ joining the rankings. Below is the updated (and revised!) evolution graph:

rating-evolution-zct292.png

#7
Competition 2025 / Re: ZCT293 - Symmetry
November 22, 2025, 07:08:50 PM
@Argammon That is a reasonable test; in particular, it follows the precedent we set at ZCT280: a dual-way switch is a line that wouldn't work without the dual-way bug. For doing such a test on this track, I'd suggest breaking the path you aren't using removing a single element at the beginning the track, near the split.
#8
Competition 2025 / Re: ZCT293 - Symmetry
November 22, 2025, 04:09:24 PM
Quote from: CTG on November 22, 2025, 01:00:34 PMI am not aware of the current car (bonus) rules, but it seems to be a perfect Audi Quattro circuit.

The Audi is not far off, though I guess it is a couple bonus points away from really fighting at the top -- the margins are narrow these days!

Quote from: CTG on November 22, 2025, 01:00:34 PMBtw: please suggest optimal DOSBox settings for Win11! ;D

The basics remain the same, I think. 20k cycles keeps being a sensible default, though a relatively recent computer should handle cycles well about that with no problems. While preferred DOSBox version these days is DOSBox Staging, plain old vanilla DOSBox 0.74 is still good enough. For vanilla DOSBox 0.74 on Windows, I'd use something like this as a base for dosbox.conf (some of these are not necessary with Staging due to better defaults. Also, I prefer windowed to full screen, but YMMV of course):

[cpu]
cpu_cycles=20000
core=dynamic

[render]
aspect=true

[sdl]
output=overlay
fullscreen=false
windowresolution=960x720
priority=higher

Alternatively, for a ready-made setup on Windows you can try the R4K Stunts installer.

Quote from: CTG on November 22, 2025, 02:08:08 PMQuite a dilemma... shall I come back for "only one race"?

Only you can answer that... but you don't liking your earlier goals means there's a window to change or reframe them :)
#9
Competition 2025 / ZCT293 - Symmetry
November 22, 2025, 12:54:41 PM
Starting with a poll! And with an amusing tidbit from Wednesday's PTB update  :D

44-39.png
#10
Competition 2025 / Re: Cloned replays, ZCT285 to 292
November 22, 2025, 11:34:27 AM
The PTB tables now have been recalculated. There have been some changes to them starting from ZCT288 (cf. the page as it was yesterday). Overall, 127:03 of PTB time has been redistributed. No one got additional points from those hours as of now (it might still happen in ZCT293), though some half-points have been earned earlier than we thought: Alan Rotoi on ZCT292 rather than ZCT293; KyLiE on ZCT289 rather than ZCT292; Zapper on ZCT290 rather than ZCT292.
#11
Stunts Related Programs / Re: SDL 3
November 22, 2025, 01:10:04 AM
Thanks for trying it with XMonad, and sorry for the truckload of dependencies 😅 Installing XMonad pulls the Haskell toolchain because it is configured through Haskell code (much like, say, dwm is configured through C code), so it is mostly used by people who already have the Haskell toolchain on their system for independent reasons.

Quote from: Matei on November 21, 2025, 11:03:44 PMI had no problems with SDL 3 or SDL 1, with which the game worked perfectly with fullscr=0 and fullscr=1

Interesting that it worked for you on SDL 3 plus (I presume) the default configuration of XMonad (as opposed to the customised one I have here). Another reason for me to examine my setup, I guess.

Quote from: Matei on November 21, 2025, 07:55:39 AMPossible workaround for "XMonad". Add 2 pixels to the width and height of the created window, file graphics/forsdl3/graph2d.c, line 139:

RGLOB_window = SDL_CreateWindow(title,width+2,height+2,0);

This workaround did work here on my current XMonad setup: no segfaults and 800x600 reported size on both the SDL2 and SDL3 builds. I don't think you'd want to make that change in your code, though, as it has side effects on other environments where everything has been working normally -- see e.g. the black lines at the right and bottom of the window in this screenshot taken in Xfce, where the window size becomes 802x602:

Screenshot_2025-11-21_09-23-15.png

The share of Simcar users that have XMonad as their window manager is vanishingly small (i.e. probably just me), so it wouldn't be reasonable to expect Simcar to incorporate messy workarounds just to cater for that. Besides, I'm reasonably confident about finding a way to deal with this through XMonad configuration, by adding some kind of special rule for the handling of window borders. (And worst case, if nothing else works, I can just start a Xfce session when I want to play Simcar.)
#12
Competition 2025 / Re: Cloned replays, ZCT285 to 292
November 21, 2025, 01:39:17 AM
Quote from: MiDiaN on November 21, 2025, 12:40:54 AMThis is really not cool, but from what I can tell, the rules page only talks about this under the Team section, where it says you can't use teammates' replays.

"You must drive your own replays" is such a self-evident principle that we do expect people to follow it even in the absence of an explicit bullet point in the rules -- though it probably wouldn't hurt to add another nod to it besides the one currently in the teams section.
#13
Stunts Related Programs / Re: SDL 3
November 20, 2025, 11:35:14 PM
Quote from: Duplode on November 20, 2025, 11:04:39 PMGood catch; I wonder if my environment is somehow interfering with the window size (will try to find out later).

Yes, it is my environment. I normally use XMonad (a tiling window manager) on this computer; switching to a Xfce session I get no segfaults, and the expected 800x600 size is reported. Maybe the two pixels taken by the window borders are somehow being deduced from the available window size (but if so, why just from the width and not the height?). It's mostly academical now, but if I find a workaround for XMonad (and I guess there must be one) I'll post it here.
#14
Stunts Related Programs / Re: SDL 3
November 20, 2025, 11:04:39 PM
Good catch; I wonder if my environment is somehow interfering with the window size (will try to find out later). Trying with the 6.2.0 from your site, both the SDL3 build and full screen always segfaults. The provided binary (which is the SDL2 one, I believe) segfaults some of the time (if I retry enough times it works somehow), and the size reported on the console for it is 798x600x32.
#15
Stunts Related Programs / Re: SDL 3
November 20, 2025, 02:32:54 PM
Quote from: Duplode on November 04, 2025, 10:51:07 AMNice, I'll try it out soon.

I tried running it, but couldn't make it work while using sdl3 from the Arch Linux repo, and didn't manage investigate further so far. Running the binary from the attachment initially gives the following error:

$ ./simcar
SDL_FRAMEBUFFER_ACCELERATION 0
>> Set BITSPERPIXEL to 24 and recompile.<<

After changing BITSPERPIXEL in graphics/grconfig.h and recompiling, the executable segfaults:

$ ./simcar
SDL_FRAMEBUFFER_ACCELERATION 0
Set 1064x600x24
Segmentation fault         (core dumped) ./simcar