Dynamic navmesh update causes navlinks to reset to their default state

Gameplay - AI - Dec 16, 2019

Updates to dynamic navmesh cause navlinks to reset to their default state. Navigation still shows the path as accessible even though it isn't. This is a regression from 4.23.1 (CL-9631420) where th ...

UAIPerceptionSystem::Tick() has a chance of not being called after level reloading

Gameplay - AI - Dec 16, 2019

UAIPerceptionSystem::Tick() is not called after level reloading. When Debugging, UAIPerceptionSystem::CurrentTime is always 0, and UAIPerceptionSystem::SourcesToRegister always contains sources to ...

EQS Overlap test no longer recognizes custom Collision Object Channel

Gameplay - AI - Nov 12, 2019

Environment Queries Ignore tests for Custom Collision Object Overlaps. Note: The expected behavior seems to have worked in 4.21, After following the steps to reproduce, I can verify a successful de ...

Unloading a spawned Detour AI Controller using Level Streaming causes a crash

Gameplay - AI - Oct 14, 2019

In a Level Streaming setup, unloading a level that has spawned an AI Character with a Detour AI Controller causes a crash. This was reported and tested in 4.23 (CL-8386587). This was reproduced in ...

EQS Debug Draw Shows Old Query Information

Gameplay - AI - Sep 26, 2019

Sample project: [Link Removed] Debug draw update correctly: [Link Removed] Debug draw update incorrect: [Link Removed] ...

Spelling error of Boolean "continuous" in Task Node "Move to Location or Actor"

Gameplay - AI - Aug 14, 2019

Spelling error of Use Continuous Goal Tracking Boolean "continuous"  in Task Node "Move to Location or Actor" ...

Query Params are ignored when using EQS

Gameplay - AI - Jun 26, 2019

Trying to set the Bool Match as a Query Param causes the value to not be recognized. It just thinks the value is whatever default value it has instead of reading it from the params set in the Behavi ...

Packaged Dedicated Server will not regenerate navmesh around instanced mesh

Gameplay - AI - Jun 6, 2019

The foliage instanced mesh, as well as ISM and HISM components both appears to be unable to export navmesh data for generation once we introduce a change in the contents. This error only shows up in ...

Smart Nav Links created via Load Level Instance are broken, but Simple Nav Links are fine

Gameplay - AI - May 20, 2019

Maps brought in via Load Level Instance that contain Nav Link Proxys configured to use the Smart Link instead of the Simple Link end up creating a link at the center of the world instead of their ac ...

Broken Composite Decorator

Gameplay - AI - May 14, 2019

Reported by Square Enix on UDN, ...