NavMesh generates 90 degrees rotated for custom collisions

UE - AI - Apr 16, 2015

The NavMesh creates breaks at the wrong rotation if the mesh is using collision created from outside of UE4. This is obvious in a lot of the market content with special collision created in maya/3d ...

Blackboard keys in hierarchies do not get updated on editor changes to parent BB asset

UE - AI - Apr 15, 2015

Editor-time changes to parent BB asset do not get propagated to derived BB assets. ...

PerceptionSystem crashing on removing a listener as part of DestroyActor call

UE - AI - Apr 14, 2015

User reported a crash in UAISense_Hearing::OnListenerRemovedImpl when perception listener is being removed as a response to DestroyActor call. ...

DetourCrowdAIController causes AI to update movement differently

UE - AI - Apr 3, 2015

When you use MoveTo BT node, with a target set as Actor and your AIController is DetourCrowdAIController, the AI pawn will update its goal destination much less frequently. Instead of constantly fo ...

It's possible that navmesh size is limited by something else than number of bits in polyref

UE - AI - Apr 2, 2015

This needs investigation, but I think I've stumbled on it while working on GDC map as well - with tiles small enough navmesh stopped generating even though we should be within the huge limits we hav ...

NavMesh does not update properly when "Can Ever Affect Navigation" is toggled

UE - AI - Mar 27, 2015

if I place a mesh with "Can Ever Affect Navigation" set to true, then set it to false, it will leave the NavMesh with a bugged "hole" that AI does not path around correctly (causing the "Blocked" er ...

Get Random Point In Radius does not return certain vectors

UE - AI - Mar 25, 2015

https://answers.unrealengine.com/questions/198619/get-random-point-in-radius-does-not-work-properly.html "Get Random Point In Radius" will leave one square sector empty. Seems like it creates patch ...

"Navmesh needs to be rebuilt" shows up during runtime navmesh generation

UE - AI - Mar 24, 2015

"Navmesh needs to be rebuilt" shows up during runtime navmesh generation ...

Navigation crashing on PIE in absence of NavOctree

UE - AI - Mar 17, 2015

Access violation - code c0000005 (first/second chance not available) UE4Editor_Engine!UNavMeshRenderingComponent::GatherData() + 18874 bytes [e:\downloads\unrealengine-4.7\unrealengine-4.7\engine\s ...