Part Snapping broken

[Jaff]

Hi, Has anyone come across this before...?

KSP by James Price, on Flickr

(hopefully that link works)

 

Its happened on a few of my vehicles on load up they appear fine and then when it sort of jumps into life (assuming when the physics load) they stagger like this, or a fuel tank will go off kilter or even worse an engine will which completely ruins missions.

 

Any Ideas?

Edited June 10, 2020 by Jaff
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[Jaff]

anyone have any idea? it happens consistently on load of this vessel now - pretty much makes the game unplayable.

 

I have a copy of what i think is the log here if it helps?

 

https://www.dropbox.com/s/hyc7ugnjtval99c/KSP.log?dl=0

[kedrednael]

I also had this bug in KSP 1.7
This small fuel space station with lots of docked craft often bugged out during rendez-vous. It even seemed to be shifted worse when it loaded in at higher relative velocity to my current craft.
Eventually I fixed it by launching the station again, cheat it into orbit the same orbit as the station that bugges out on loading (alt - f12 for debug/ cheat menu). The new craft didn't have the bug. In my head-canon the kerbals needed to do a software update to the station.

Edited June 15, 2020 by kedrednael

[Jaff]

5 minutes ago, kedrednael said:

I also had this bug in KSP 1.7
This small fuel space station with lots of docked craft often bugged out during rendez-vous. It even seemed to be shifted worse when it loaded in at higher relative velocity to my current craft.
Eventually I fixed it by launching the station again, cheat it into orbit the same orbit as the station that bugges out on loading (alt - f12 for debug/ cheat menu). The new craft didn't have the bug. In my head-canon the kerbals needed to do a software update to the station.

 

WOW! i thought i had it bad lol.

 

this is 1.8.1 so not fixed if its a core game issue.

 

I really cant be dealing with the hassle of adding and removing crafts when they bug out like this, its a lot of software updates lol

 

[Jaff]

is anyone able to shed any light on this issue?

 

even somewhere that I can start like removing certain mods or something?

[HansAcker]

There are some NullReferenceExceptions in the log that might point to a problem with autostruts:

Spoiler

[EXC 19:49:30.155] NullReferenceException: Object reference not set to an instance of an object
	PartJoint.SetupJoint (UnityEngine.Vector3 jointPos, UnityEngine.Vector3 jointOrt, UnityEngine.Vector3 jointOrt2, System.Int32 size, AttachNode nodeToParent, AttachNode nodeFromParent) (at <9d71e4043e394d78a6cf9193ad011698>:0)
	PartJoint.create (Part child, Part parent, UnityEngine.Transform nodeSpace, UnityEngine.Vector3 nodePos, UnityEngine.Vector3 nodeOrt, UnityEngine.Vector3 nodeOrt2, System.Int32 nodeSize, AttachModes mode, System.Boolean rigid, AttachNode nodeToParent, AttachNode nodeFromParent) (at <9d71e4043e394d78a6cf9193ad011698>:0)
	PartJoint.Create (Part owner, Part parent, AttachNode nodeToParent, AttachNode nodeFromParent, AttachModes mode) (at <9d71e4043e394d78a6cf9193ad011698>:0)
	Part.SecureAutoStrut (Part anchor, AttachNode nodeToParent, AttachNode nodeFromParent, System.Boolean srfAttached) (at <9d71e4043e394d78a6cf9193ad011698>:0)
	Part+<SecureAutoStruts>d__786.MoveNext () (at <9d71e4043e394d78a6cf9193ad011698>:0)
	UnityEngine.SetupCoroutine.InvokeMoveNext (System.Collections.IEnumerator enumerator, System.IntPtr returnValueAddress) (at <5aeafee3fea24f37abd1315553f2cfa6>:0)
	UnityEngine.DebugLogHandler:LogException(Exception, Object)
	ModuleManager.UnityLogHandle.InterceptLogHandler:LogException(Exception, Object)
	UnityEngine.Debug:CallOverridenDebugHandler(Exception, Object)

 

I don't see any obviously suspicious mods in the list. The reliability features of some mods should probably not result in this error.

I'd try removing autostruts (editing the save file, not loading the craft), first.

Edited June 24, 2020 by HansAcker

[Jaff]

On 6/24/2020 at 6:20 PM, HansAcker said:

There are some NullReferenceExceptions in the log that might point to a problem with autostruts:

  Hide contents

[EXC 19:49:30.155] NullReferenceException: Object reference not set to an instance of an object
	PartJoint.SetupJoint (UnityEngine.Vector3 jointPos, UnityEngine.Vector3 jointOrt, UnityEngine.Vector3 jointOrt2, System.Int32 size, AttachNode nodeToParent, AttachNode nodeFromParent) (at <9d71e4043e394d78a6cf9193ad011698>:0)
	PartJoint.create (Part child, Part parent, UnityEngine.Transform nodeSpace, UnityEngine.Vector3 nodePos, UnityEngine.Vector3 nodeOrt, UnityEngine.Vector3 nodeOrt2, System.Int32 nodeSize, AttachModes mode, System.Boolean rigid, AttachNode nodeToParent, AttachNode nodeFromParent) (at <9d71e4043e394d78a6cf9193ad011698>:0)
	PartJoint.Create (Part owner, Part parent, AttachNode nodeToParent, AttachNode nodeFromParent, AttachModes mode) (at <9d71e4043e394d78a6cf9193ad011698>:0)
	Part.SecureAutoStrut (Part anchor, AttachNode nodeToParent, AttachNode nodeFromParent, System.Boolean srfAttached) (at <9d71e4043e394d78a6cf9193ad011698>:0)
	Part+<SecureAutoStruts>d__786.MoveNext () (at <9d71e4043e394d78a6cf9193ad011698>:0)
	UnityEngine.SetupCoroutine.InvokeMoveNext (System.Collections.IEnumerator enumerator, System.IntPtr returnValueAddress) (at <5aeafee3fea24f37abd1315553f2cfa6>:0)
	UnityEngine.DebugLogHandler:LogException(Exception, Object)
	ModuleManager.UnityLogHandle.InterceptLogHandler:LogException(Exception, Object)
	UnityEngine.Debug:CallOverridenDebugHandler(Exception, Object)

 

I don't see any obviously suspicious mods in the list. The reliability features of some mods should probably not result in this error.

I'd try removing autostruts (editing the save file, not loading the craft), first.

ok thats a great start thanks,

 

when you say removing autostruts, do you mean turning them off in the crafts in the save file?

 

come to think of it the only other craft ive had an issue with has been autostrutted too. this one was a shuttle type so was autostrutted initially too

[Jaff]

That worked a treat thank you HansAcker!!

 

went into the persistant game file and changed the words "forcedheavy" on anything related to the craft and autostrut to "Off" and it has fixed it.

 

Thanks again