Unreal Engine Issues
Unreal Engine Issues
UAnimInstance::GetInstanceTransitionTimeElapsed returning 0 in non-editor builds
OLD - Anim - Sep 4, 2019In non-editor builds UAnimInstance::GetInstanceTransitionTimeElapsed always returns 0.0f. This is caused within FAnimNode_StateMachine::Update_AnyThread due to: #if WITH_EDITORONLY_DATA NewTra ...
Crash when enabling Forward Shading and restarting editor
UE - Rendering Architecture - RHI - Sep 4, 2019Crash occurs when enabling Forward Shading and restarting the editor when prompted. The editor continues to crash with every attempt to open after this point as well. ...
Instanced static meshes fire an erroneous performance assert about loose parameters.
UE - Graphics Features - Sep 4, 2019"This ensure is intended to catch regressions where rendering programmers add a loose parameter to LocalVertexFactory, breaking dynamic instancing on regular static meshes. InstancedStaticMeshes c ...
Exporting Camera Anims from Sequencer does not copy over tangents correctly
UE - Anim - Sequencer - Sep 4, 2019This appears to be tied to the integer time conversion. Converting in MovieSceneToolHelpers::CopyKeyDataToMoveAxis does not account for frame rate when converting tangents. I tested multiplying the ...
AnimDynamics does not accurately reflect the wind direction when SimulationSpace is set to something other than Component
UE - Simulation - Physics - Sep 3, 2019The processing related to WindDirection in AnimDynamics( in FAnimNode_AnimDynamics::PreUpdate ) does not consider other than ComponentSpace.// Setup wind data Body->bWindEnabled = true; Scene->Get ...
Memory leak with disable rendering
UE - Graphics Features - Sep 2, 2019When executing "ShowFlag.Rendering 0", it occur the memory leak because it can't run RHICmdList.ImmediateFlush(). The following code is a workaround. DEC_MEMORY_STAT_BY() is ImmediateFlush. Witho ...
Exported Morph target Animation sequences behaves differently in Max or Maya vs in UE4
UE - Editor - Content Pipeline - Import and Export - Sep 2, 2019After invested, noticed that the exported morph target animation generated two separated Morph Modifier for each individual Morph Target in Max to achieve the final result instead of using only one ...
Cascade pooled emitters are not reclaimed on disabled LODs
UE - Niagara - Aug 30, 2019Pooled memory will not be reclaimed from emitters with disabled LODs if Disabled LODs Keep Emitter Alive is checked. ...
Blend Space Per Bone Blend does not apply blend weight correctly
UE - Anim - Runtime - Aug 30, 2019The Blend Space's Per Bone Blend doesn't always apply its interpolation speed correctly to the appropriate bone or at all. ...
BuildGraph XML Errors Logged Incorrectly
UE - Foundation - Horde - BuildGraph - Aug 30, 2019Suggested fix from licensee: After investigation, it seems that the filename is passed as a string instead of a FileReference in Script.cs:84. Fixing the issue seems to be as simple as changing th ...