Unreal Engine Issues
Unreal Engine Issues
Animation Layer Interface layer renaming issues
UE - Anim - Runtime - Oct 21, 2021Renaming a layer in an AnimationLayerInterface can cause issues where that layer doesn't bind properly, depending on which assets are open at the time. It works correctly if you rename a layer in a ...
Crash when using AnimBudgetAllocator
UE - Anim - Runtime - Oct 21, 2021In the AnimNode_Slot code, It seems that update() and evaluate() should be called by following order because in TickAnimation step, we need to make MontageEvaluateData valid.SkeletalMeshComponent::U ...
Assert when tracing animations with Linked Anim Graphs
UE - Anim - Runtime - Oct 19, 2021An assert fires related to the node index for the linked animgraph node being the same as the node index for the root node in the linked anim graph. Can be worked around by commenting out the check ...
PostProcess AnimBP of Skeletal Mesh set to Additional Meshs in AnimMontage is not evaluated
UE - Anim - Runtime - Oct 14, 2021This issue does not evaluate PostProcessAnimBP for skeletal meshes set to additional meshes in AnimMontage[Image Removed] If I opened PostAnimBP directly and compiled it, it also played on AnimMont ...
Bool input pins connected to boolean logic nodes can fail to compile
UE - Anim - Runtime - Oct 1, 2021Bool input pins will fail to compile when connected to a boolean logic node and the node also has a float input pin that is currently connected. Compilation will fail with the error Default value ' ...
FAnimNode_TransitionPoseEvaluator uses FStackAttributeContainer to cache data over multiple frames
UE - Anim - Runtime - Sep 15, 2021FAnimNode_TransitionPoseEvaluator can cache a pose over multiple frames using FStackAttributeContainer rather than the heap equivalent. This will likely crash at some point if any user uses the cac ...
Switching LOD while using Evaluation Mode = Freeze in custom transit graph fails
UE - Anim - Runtime - Sep 14, 2021If a user setups up a custom transition graph that caches one of the input poses by setting the Evaluator Mode property to Freeze then the node fails to deal with the situation where the LOD or mesh ...
Crash Applying Multiple Anim Modifiers
UE - Anim - Runtime - Sep 5, 2021Fatal error: [Link Removed] [Line: 2516] Fatal error: [Link Removed] [Line: 2516]Objects have the same fully qualified name but different paths. New Object: MotionExtractorModifier /Game/Characters/ ...
Renaming a SkinnedMeshComponent onto a different owning actor will cause issues with FAnimUpdateRateManager
UE - Anim - Runtime - Aug 12, 2021As mentioned in the UDN - the user tried to rename an SMC to a different actor, which leaves the URO manager left with an incorrect data as it is not aware of the move. User proposed overriding Post ...
TriggerMontageEndedEvent will clear queued notifies for all instances of a montage
UE - Anim - Runtime - Jul 29, 2021When a montage finishes and TriggerMontageEndedEvent is called, all queued notifies for that montage are cleared. However, this assumes that there is only one instance of the montage active at any ...