If use Remove Unused Bones from Skeleton, PoseAsset of the skeleton will be broken

Anim - Animation - Jul 10, 2019

If user execute "Remove Unused Bones from Skeleton" on Skeleton where PoseAsset exists, the index held in FPoseData :: TrackToBufferIndex in PoseAsset will not be corrected, and it will refer to the ...

Anim notify issue with root motion replication

Anim - Animation - Jul 9, 2019

https://udn.unrealengine.com/questions/510965/view.html ...

Constant interpolation in animation curve points appears to prevent material updates after hitting apply

Anim - Animation - May 31, 2019

When changing the key interpolation of a material curve in an animation to constant it appears to break the updating of the material after the changes are applied. Until the changes are applied it a ...

Crash when the location of actor changes while executing SetAnimInstanceClass

Anim - Animation - May 27, 2019

This issue doesn't occur at 4.21. It seems in 4.22 only. Bone is broken in the second SetAnimInstanceClass. It seems CurrentReadComponentTransforms doesn't update. [Workaround] ・Wait using timer ...

AnimCurveCompressionSettings is reset to CompressedRichCurve at editor startup

Anim - Animation - May 21, 2019

AnimCurveCompressionSettings's codec is reset to CompressedRichCurve when user open the project, so user can not keep the state changed to UniformlySampled. The following code in the constructor of ...

Get Curve Value returns 0 in Anim Graph During PIE

Anim - Animation - May 15, 2019

The node "Get Curve Value" does not appear to return values as expected during PIE. When using the command "Watch Value" it shows up as 0.0 during PIE. ...

Trigger Montage Ended Event results in Unhanded Exception

Anim - Animation - May 6, 2019

TriggerMontageEndedEvent is calling RemoveAtSwap after the NotifyEnd callback which is not safe if the ActiveAninNotifyState array is modified by the callback. WorkAround:   Add a Delay node befo ...

Trimming an animation that uses root motion can cause the direction of the animation to appear off

Anim - Animation - Apr 26, 2019

After trimming an animation that includes a rotation in the begining the translation for the root motion appears to be applied as though the rotation had still been applied. I have included the or ...

Editor will freeze if anim composite has an animation with a notify and length of 0

Anim - Animation - Mar 21, 2019

An anim composite will freeze the editor if one of its animation segments has a a notify and a length of 0 or less. Debugging shows that the engine is stuck inside UAnimSequenceBase::GetAnimNotifies ...

Changing class of Sub Anim Instance will crash if tag is specified

Anim - Animation - Mar 1, 2019

Switching sub anim instances that have a set tag will crash the editor when compiled. This is likely due to the use of Tag as the object name. The tag does not change, and the old UObject is still a ...