stupid_chris

[1.7] RealChute Parachute Systems v1.4.7.4 | 13/04/19

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9 hours ago, Freds said:

The same happened with my EVE space plane. It is designed to land with parachutes (so no need to complicated landing procedures), but, when i open the parachutes.... the same issue happens :(.

Just tested without KJR: The bug still happens.
Tomorrow i'll try without FAR.

I had it happen with another craft, after removing KJR, but was unable to find reproduction steps.  I uninstalled FAR temporarily and it landed fine.

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I made some tests:
We already know that Realchute  1.4.2.0 + FAR + KJR == Problem.


Real chute 1.4.2.0, without FAR and without KJR --> Works OK.
Real chute  1.4.2.0, without FAR and with KJR --> Works OK.
Real Chute  1.4.2.0 With FAR, without KJR --> Problem happens.


But now the interesting test: 

Real chute  1.4.1.2 With FAR, with KJR -> Works OK.
Maybe the problem is with the "FAR compatibility update. Addresses changes to FARAeroUtil.GetCurrentDensity()" part of the changelog..... or maybe it is with FAR GetCurrentDensity function... .

The tests was made with the same quicksave, with my prototype spaceplane flying over EVE.
 

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2 hours ago, Freds said:

Realchute  1.4.2.0 + FAR + KJR

you left out the versions of FAR and KJR you are using. That's important info. No one is going to look into this by just assuming you mean the latest releases

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51 minutes ago, Drew Kerman said:

you left out the versions of FAR and KJR you are using. That's important info. No one is going to look into this by just assuming you mean the latest releases

FAR -> Last dev version.
KJR -> Last version available on CKAN ( 3.3.1 ).

 

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Guys, I'm absolutely not going to touch any KJR related issues. The latest version is outdated and I will not test with it.

I'll look into any FAR related issues but even there, latest version is a development version so it might have to wait until there's a final version. We'll see.

But KJR, let me speak plainly here: Not a chance.

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I'm running the latest developement version of FAR, without KJR now, and it's still occuring sporadically but I have a ton of other mods.  The next time it happens I'll post another log.

Edited by Jikahn

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@Jikahn, duplicated your descent with a special debug version of Real Chute and found FAR returning massive atmo density spikes on the way down. The amount of drag applied to the chutes depends (naturally) on density so it's no wonder they're tearing things apart. Going to have to lay this one at Ferram's doorstep but I don't know when I'll be able to create an issue for it. Massive storms inbound and I could be without power in a few hours. Very busy preparing for it.

(Please note that the only compatible version of FAR is a development version.... I keep saying this people, mods that aren't updated or development issues you have to expect this)

Spoiler

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Edited by Starwaster

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I do expect it.  I'll point the FAR thread over here.  Thanks for looking at it.  Stay safe from the storms. :)

1 hour ago, Starwaster said:

@Jikahn, duplicated your descent with a special debug version of Real Chute and found FAR returning massive atmo density spikes on the way down. The amount of drag applied to the chutes depends (naturally) on density so it's no wonder they're tearing things apart. Going to have to lay this one at Ferram's doorstep but I don't know when I'll be able to create an issue for it. Massive storms inbound and I could be without power in a few hours. Very busy preparing for it.

(Please note that the only compatible version of FAR is a development version.... I keep saying this people, mods that aren't updated or development issues you have to expect this)

  Reveal hidden contents

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Edited by Jikahn

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4 hours ago, Jikahn said:

I do expect it.  I'll point the FAR thread over here.  Thanks for looking at it.  Stay safe from the storms. :)

 

Something's bothering me though.... I looked at the FAR method that I'm calling to get density and it's the same one FAR uses when it displays density in its GUI. If it's spiking then I'd expect the GUI to display that as well and it's not. Might be something wrong in how I'm using reflection to call the value but I can't look into it right now for the aforementioned reasons. If I still have power tonight I'll take another look at that.

No, I take it back.... on further investigation, it's working the way it should. Density values I get back are within expected range... most of the time. Just under certain circumstances is it off.

Edited by Starwaster

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OK spoke to ferram4 about stuff and he says we don't even really need to call FAR's density methods anymore. Things we would have needed it for are handled in stock anyway so I'll change it to just rely on stock even if FAR is present.

In the meantime, if you do have FAR and are having chute issues, download the dll that I linked to two posts up and that should help. I think. Big maybe there.

Also, ferram says that KJR is fine for 1.2.2 as is without an update.

Edited by Starwaster

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6 hours ago, Starwaster said:

Also, ferram says that KJR is fine for 1.2.2 as is without an update.

FYI one reason I made sure he specified his KJR version is some people are using a dev build to allow compatibility with Infernal Robotics, just in case you weren't aware of that

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1 hour ago, Drew Kerman said:

FYI one reason I made sure he specified his KJR version is some people are using a dev build to allow compatibility with Infernal Robotics, just in case you weren't aware of that

You're right, I wasn't aware there was a dev of KJR out there anywhere

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So far so good with the new DLL and I even reinstalled the Jan25 dev version of KJR for IR compatibility.

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It worked perfectly!!
Tested with a ship with 2 chutes setted to "drogue mode", for high altitude deceleration, and 4 in "main chute mode", for low altitude deceleration! 
 

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On 3/25/2017 at 11:56 AM, Starwaster said:

 

@stupid_chris if you'd do the honors of updating the front page?

Oh damn I skimmed right over this in the midst of finals madness. Done now.

And yes, it does make a lot of sense to drop FAR density calcs if Stock actually has aero that doesn't throw matches at a gas station for giggles.

On another brighter note, last final is in a few hours. Good things may come soon to those who are patient enough :wink:

Edited by stupid_chris

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3 hours ago, stupid_chris said:

Oh damn I skimmed right over this in the midst of finals madness. Done now.

And yes, it does make a lot of sense to drop FAR density calcs if Stock actually has aero that doesn't throw matches at a gas station for giggles.

On another brighter note, last final is in a few hours. Good things may come soon to those who are patient enough :wink:

Yeah, actually I have the FAR-less changes on my machine that I still need to push out but I've been working on Real Fuels for the past month trying to figure out how to handle boiloff in Analytic Mode when Analytic Mode is more like the old temperature model instead of using heat flux. I'll try to get those changes pushed out the door this weekend. Now, back to bed.

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Ok, I put out a new release that only uses the stock density method, 1.4.3

https://github.com/StupidChris/RealChute/releases/tag/v1.4.3.0

That should be the last until next KSP update or unless @stupid_chris has his new version out? Assuming that was what was being hinted at before :)

Edited by Starwaster

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12 hours ago, Starwaster said:

Ok, I put out a new release that only uses the stock density method, 1.4.3

That should be the last until next KSP update or unless @stupid_chris has his new version out? Assuming that was what was being hinted at before :)

can u pls explain, after this changes RealChute not works with FAR anymore? Or you drop functionality that not needed for this?

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42 minutes ago, GenryRar said:

can u pls explain, after this changes RealChute not works with FAR anymore? Or you drop functionality that not needed for this?

It will work just fine with FAR. Previously, in order to have custom density values for other planets you needed FAR. Recent KSP updates allow for that possibility without modding so it's no longer necessary to retrieve those values from FAR.

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6 minutes ago, Starwaster said:

It will work just fine with FAR. Previously, in order to have custom density values for other planets you needed FAR. Recent KSP updates allow for that possibility without modding so it's no longer necessary to retrieve those values from FAR.

Hah, thx for answer! And also for new version! :wink:

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15 hours ago, Starwaster said:

@stupid_chrisOk, I put out a new release that only uses the stock density method, 1.4.3

Link?

would this be the same download linked above, here?

 

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