Unreal Engine Issues
Unreal Engine Issues
Meshs in a hidden sublevel may generate incorrect navmesh
UE - AI - Navigation - Nov 6, 2020If the level has hidden sublevels, the regenerated navmesh result appears to have a hidden sublevel mesh placed at the origin. Apparently, the reason is that bNavigationRelevant is no longer consid ...
Copying an InstancedStaticMeshComponent does not render correctly
UE - Editor - Nov 6, 2020Default values specified for local BP variables of type DateTime and Timespan don't actually work
UE - Gameplay - Blueprint Runtime - Nov 6, 2020Have attached examples of this in action, including breakpoints showing the FDateTime::Ticks count as zero. Also showed that this is an issue for the existing GetYear/GetMonth/GetDay methods (and an ...
Naming a variable 'LifeSpan' causes the default value to be reset after closing the editor
UE - Gameplay - Blueprint - Nov 3, 2020Customer reported this issue in Salesforce. I repro'd this issue in 4.25.3, 4.25.4, and 4.26. Therefore marking it as not a regression. Renaming the variable something like "LifeTimer" does not res ...
The HISM will have double drawcalls when player opens r.Mobile.AllowDitheredLODTransition
UE - World Creation - Worldbuilding Tools - Foliage - Nov 2, 2020Please check the Function GetDynamicMeshElements in HierarchicalInstancedStaticMesh.cpp. The Function Traverse in GetDynamicMeshElements will always return two Lod levels, even the transition is f ...
Blueprint class's property is overridden by parent blueprint class
UE - Gameplay - Components - Nov 2, 2020I did some research. The problem is caused in CoreNative.cpp. In Function GetInstancedSubobject (Line 126) We should check if instance is runtime instance first. If it is runtime instance, just us ...
Destroying a camera actor makes the level Dirty
UE - Graphics Features - Oct 29, 2020This does not occur except for Camera actors. ...
Volume EncompassesPoint is broken in Chaos
UE - Simulation - Physics - Oct 26, 2020While investigating an issue with Cull Distance Volumes, I noticed that AVolume::EncompassesPoint has a broken default implementation when WITH_PHYSX is not defined. If only chaos is enabled it will ...
Anim Notifies Color does not change when typing on the keyboard
UE - Anim - Runtime - Anim Blueprints - Oct 26, 2020If change the color by dragging the mouse, it will be applied normally. ...
Can't Play In Editor after editing color value in color picker
UE - Anim - Runtime - Oct 23, 2020Can not launch PIE after set the value in color picker window to enter a number from the keyboard. Choose the color value with the picker or close the window with the Cancel button to return to it. ...