Unreal Engine Issues
Unreal Engine Issues
To activate cascade particle first time on sequencer is not work in a specific way.
UE - Anim - Sequencer - Jan 6, 2020The bIsActive flag on ParticleComponent is stored in a sequencer asset. If it's true, PartilceSystemComponent::ActivateSystem is skipped at FParticleTrackExecutionToken::Execute. In workaround, Set ...
Axis changes when performing FBX import / export with "Force Front X Axis" enabled
UE - Editor - Content Pipeline - Import and Export - Jan 6, 20201. Import the attached test.FBX with "Force Front X Axis" enabled. 2. Export the imported skeletal mesh with "Force Front X Axis" enabled. (Test_export.FBX) 3. The axis does not match in test.FBX an ...
Clothing Data paint doesn't effect visible mesh
UE - Simulation - Physics - Jan 7, 2020Skeletal mesh sections with cloth should have their visible mesh match their simulated mesh and this should be effected by painted values. Any vertices left unpainted(at 0) after the initial paint, ...
Child Animation Blueprints Do Not Get Recompiled Correctly
UE - Gameplay - Jan 7, 2020The child of an animation blueprint is not properly recompiled when the it's parent is compiled. Found in 4.24.1 CL#10757647 ...
Montage_SetEndDelegate doesn't set for inactive, but unfinished montages, preventing clearing
OLD - Anim - Jan 7, 2020If you call Montage_SetEndDelegate after a montage has begun blending out, but before it terminates, the end delegate will not be set because an active montage instance cannot be found. If an AI is ...
bUseDefaultCollision not enabled by default
UE - Simulation - Physics - Jan 9, 2020Counter intuitively, static mesh components do not enable bUseDefaultCollision by default, and uses the "BlockAllDynamic" profile. AStaticMeshActors on the other hand, do enable bUseDefaultCollision ...
GameplayTagQuery default property changes not propagated to instances
UE - Gameplay - Blueprint - Jan 9, 2020Expected: Changes to GameplayTagQuery properties in a blueprint should propagate to instances that haven't overriden the default value. ...
Bake transform crashes on a component
Tools - Jan 9, 2020Interpolators of Niagara Dynamic Parameters Need "nointerpolation".
UE - Niagara - Jan 10, 2020TMap property on AnimNode causes memory corruption
OLD - Anim - Jan 10, 2020FastPath can't handle TMap (maybe any other container type too) in AnimGraph causes this crash. FastPath copies TMap property to the AnimNode member property directly like MemCopy. So two properties ...