Unreal Engine Issues
Unreal Engine Issues
Investigate possible HISMC culling mismatch between tree, vertex and pixel shader
UE - World Creation - Worldbuilding Tools - Foliage - Jun 12, 2017User reports that some foliage/grass instances that are completely culled are actually still being rendered, costing rendering time. Have a look using Intel GPA or RenderDoc and check pixel shader ...
CommitMapChange doesn't fully deal with sub-levels
UE - Gameplay - Jan 12, 2017Per https://udn.unrealengine.com/questions/329206/crashes-when-streaming-levels-in-414.html When inspecting the code for this report, it has become clear that the streaming levels of the incoming m ...
UV merging issue when merging meshes with multiple materials
UE - LD & Modeling - Modeling Tools - Mesh Editing - Jul 15, 2019See https://udn.unrealengine.com/questions/505632/view.html for more details Repro: -Have a mesh with 3 sections and 3 materials, assign section 1 to material 1 and section 2&3 to material 3. -Pla ...
Properties missing from Japanese UI
UE - Editor - UI Systems - Localization - Oct 20, 2015Some properties go missing when the Editor is switched to Japanese mode. Specifically, missing under Collison: -Simulation Generates Hit Events -Phys Material Override -Use CCD (See attached screens ...
Crash Occurs When Simulating in Editor and Copying Camera Key in One Sequence Then Opening a Second Sequence
UE - Anim - Sequencer - Jan 30, 2018-When opening a sequence while simulating in editor and copying a key and changing sequences leads to a crash -Does not proved callstack - but one is available in the UDN link (See SequencerCrashB) ...
LIVE: On MAC, Atmospheric Fog Preview Renders Incorrectly with Default Settings
UE - Platform - Apple - Nov 14, 2014On a Mac, Following the tutorial located here: https://answers.unrealengine.com/questions/132223/macbook-pro-preview-rendering-issues.html When opening a new level, the atmospheric fog renders soli ...
FVoiceSerializeHelper doesn't add references to AudioComponent instances
UE - Networking - Apr 28, 2015"FVoiceSerializeHelper doesn't add references to AudioComponent instances" ShooterGame crashes when following the repro steps provided by the licensee, listed below and on the UDN post. Crash image ...
Copy/paste/duplicate has no effect on Linux
UE - Platform - Linux - Oct 21, 2015Attempting to copy/paste or duplicate a node in blueprint or HUD element in a widget blueprint does not create a copy of the node or element. Edit: This also applies to copying nodes in the materi ...
Child Actor Component reappears after Undoing Parent Deletion
UE - Gameplay - Blueprint - Feb 5, 2018After loading a map containing a ParentBP with a ChildActorBP, Deleting and undoing the deletion will "resurrect" the original child, and a new child actor is parented to parent. Possibly Related: ...
BoxCollision component must be simulating physics in order for collision and hit events to work
UE - Simulation - Physics - Jan 30, 2015BoxCollision component must be simulating physics in order for collision and hit events to work. Note: This testbed doesn't contain print outs of the hit events due to an existing bug with adding e ...