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Turret snap bug


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hson_hson #1 Posted 14 November 2016 - 10:37 PM

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I know that I'm not the only one who has seen the "turret snap bug" i.e you encounter an enemy who look like he is pointing his gun in another direction and then suddenly the turret snaps toward you just as he fires.

 

I have always thought this was due to some lag on the end of the other player, but I encountered this problem during a session in a training room and since I was able to repeat it I did a recording of it.

 

First of all some background info.

The Pz IV A drove straight to the edge of the map before turning only his turret towards the direction I would appear from.
So during the whole video he has his gun pointing towards me.

 

As you can see, each time he get unspotted, when I re-spot him, it looks like his turret is facing the other direction while in fact he is aiming at me.
And it doesn't even matter that he shoots at me, it still looks like he is facing the other way.
It's not until he starts to wiggle his turret a little bit that I'm able to see it.

 

And we even tested it in multiple battles and even quit Blitz and recreated the training room, all with the same result.

 

You can also see the faint outline of the gun and gun mantlet

 


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awesomeplayer9690 #2 Posted 14 November 2016 - 11:08 PM

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Seen this before; send a ticket.

 

Really frustrating when I see a turret to blast 152mm HE in, only to hit the mantlet


 

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FlammeumDraco333 #3 Posted 14 November 2016 - 11:24 PM

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View Postawesomeplayer9690, on 14 November 2016 - 06:08 PM, said:

Seen this before; send a ticket.

 

Really frustrating when I see a turret to blast 152mm HEAT in, only to hit the mantlet

There, fixed it for you.:trollface:


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Wboys #4 Posted 14 November 2016 - 11:50 PM

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View PostFlammeumDraco333, on 14 November 2016 - 05:24 PM, said:

There, fixed it for you.:trollface:

 

 ​That will do it.

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Lephturn #5 Posted 15 November 2016 - 04:23 PM

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I've seen this before as well, it has something to do with distance and the enemy being partially obstructed by terrain or another object.

 

what sucks is when it looks like the turret is pointed at another green so you pop out to shoot... blam. 


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hson_hson #6 Posted 16 November 2016 - 10:26 AM

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View Postawesomeplayer9690, on 15 November 2016 - 12:08 AM, said:

Seen this before; send a ticket.

 

I did and got a "We recommend you to reinstall the game app." back from the support staff..

I have however verified that the problem isn't OS related, same behavior on Windows too.


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hson_hson #7 Posted 16 November 2016 - 10:27 AM

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View PostLephturn, on 15 November 2016 - 05:23 PM, said:

I've seen this before as well, it has something to do with distance and the enemy being partially obstructed by terrain or another object.

 

Yup, it has got something to do with LoS

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Tomio_Hara #8 Posted 20 November 2016 - 11:49 PM

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This was a problem before 3.3, I was experiencing it in 3.2 and earlier, and on Instagram there are posts showing the turret bug. When you are in sniper mode it shows the armor layout of the turret facing toward you but the image has it elsewhere

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conlopez #9 Posted 21 November 2016 - 05:19 AM

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lol this has messed me up so many times its unreal

hson_hson #10 Posted 22 November 2016 - 03:06 PM

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View PostTomio_Hara, on 21 November 2016 - 12:49 AM, said:

This was a problem before 3.3, I was experiencing it in 3.2 and earlier, and on Instagram there are posts showing the turret bug. When you are in sniper mode it shows the armor layout of the turret facing toward you but the image has it elsewhere

 

Yeah, I've seen it before too, but always thought it was due to lag, but now I've been able to reproduce it at will.

And it doesn't matter if you're using sniper mode or not.



hson_hson #11 Posted 22 November 2016 - 03:19 PM

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View PostLephturn, on 15 November 2016 - 05:23 PM, said:

I've seen this before as well, it has something to do with distance and the enemy being partially obstructed by terrain or another object.

 

what sucks is when it looks like the turret is pointed at another green so you pop out to shoot... blam. 

 

I've done some more testing and it looks like the issue has got to do something with the hull visibility checkpoint in relation to the turret-top visibility checkpoint (http://wiki.wargamin...ity_Checkpoints)

For low profile vehicles like T-62A/Obj 140 it is harder to see the bug due to the fact that they have less height different between hull and the top of the turret.

 

I have verified it on multiple maps using multiple tanks and it is super-simple to reproduce.

- Take your tank to a hull down location where your hull is completely hidden.

- Turn your turret in any direction except the same as the hull is facing.

- With your "spotter tank" move up to a spot where you can spot the target (first time you might go too fast so you see the hull too and then the bug won't show), move back and let the target get unspotted.

- Slowly move to the spot where you can only see the turret, when the target is spotted the turret will look like it is facing the same direction as the hull.

- Let the target move backwards a little bit and you will see that this won't affect the bug, i.e the turret will still looks like it is facing in the same direction as the hull

- Let the target wiggle the turret a little bit and the turret will snap to the actual direction.

 

 

Now it's just a matter of getting EU CS to understand that it's not network lag or related to the graphics settings on my devices (I've tested it on both my Mac, iPad and PC)


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reluctanttheist #12 Posted 22 November 2016 - 07:25 PM

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Hson² you are onto something.  I've noticed it as well when in a training room - the game is NOT updating the turret location frequently enough.  If the enemy tank was closer you wouldn't see this behaviour.  The best way to test this is to have the enemy tank perpendicular to your view; it seems Blitz wants to show the gun aligned with the length of the tank by default.  So if the red tank actually has its gun facing toward you, you'll more readily notice the error because if the red tank doesn't move or fire, when it reappears in your view it will show the gun in line with the hull even though it is facing towards you.

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_OSIRIS #13 Posted 22 November 2016 - 08:02 PM

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This has happened to me a few time too and I thought it was lag. Thank you for your diligence finding and recording it

 

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hson_hson #14 Posted 23 November 2016 - 12:53 AM

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View Postreluctanttheist, on 22 November 2016 - 08:25 PM, said:

Hson² you are onto something.  I've noticed it as well when in a training room - the game is NOT updating the turret location frequently enough.  If the enemy tank was closer you wouldn't see this behaviour.  The best way to test this is to have the enemy tank perpendicular to your view; it seems Blitz wants to show the gun aligned with the length of the tank by default.  So if the red tank actually has its gun facing toward you, you'll more readily notice the error because if the red tank doesn't move or fire, when it reappears in your view it will show the gun in line with the hull even though it is facing towards you.

 

Actually it's even worse than you think.

If the enemy tank is hull down and you don't manage to spot his hull (or maybe it's the gun mount point) within the visibility check interval, your client seems to assume that the turret is aligned with the hull.

And as long as he is spotted it doesn't matter if you drive up to him or even if he moves his tank, it will still look like the turret is aligned with the tank.

It is only when he moves his turret that your client will get the correct information.

If the "target" shoots without turning the turret it doesn't affect which direction the turret seems to be facing.

 

At first I thought it had something to do with bushes or other things but it is really just line of sight to hull that seems to matter.

And the distance doesn't matter either, I tested it with a Pz IV Anko vs Maus just outside proximity spotting range as well as with a M48 Patton with binos against a Pz IV Anko at 200+m

 

Here is a quick side-by-side video I made where you can see the four different scenarios (it is only in the first that the turret is shown facing the correct direction)

- PzII with hull and turret rear towards Obj 140
- PzII with hull rear and turret front towards Obj 140 plus reversing while Obj is close
- PzII with hull front and turret rear towards Obj 140
- PzII with hull front towards Obj 140 at 45 degree left angle and turret front at a 45 degree right angle.

 


Edited by hson_hson, 23 November 2016 - 02:01 AM.

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hson_hson #15 Posted 23 November 2016 - 01:31 AM

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View Posthson_hson, on 22 November 2016 - 04:19 PM, said:

Now it's just a matter of getting EU CS to understand that it's not network lag or related to the graphics settings on my devices (I've tested it on both my Mac, iPad and PC)

 

Hopefully I've managed to convince them as they claim to have "forwarded the case to a specialist", but I'm not so sure, according to YouTube, the unlisted videos I sent links to, haven't been watched by anyone except myself...


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reluctanttheist #16 Posted 24 November 2016 - 06:41 PM

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Ok that's bad.  Really bad.

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hson_hson #17 Posted 27 November 2016 - 01:54 PM

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View Postreluctanttheist, on 24 November 2016 - 07:41 PM, said:

Ok that's bad.  Really bad.

 

 

Yup...


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