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Amphibious vehicle AI has great issues going around obstacles
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Amphibious vehicle AI behind an object such as a house, try to back up but fail to drive around it properly.
Examples of such vehicles are, AMV-7 Marshall, MSE-3 Marid, AFV-4 Gorgon.


Operating System
Windows 10 x64
Operating System Version
AI Pathfinding / Motion
Steps To Reproduce

Place any AI amphibious vehicle behind a house using either the editor or Zeus. Order them to move any distance across the house. The AI will repeatedly back up and ram the house, as if headbutting it.

This behavior does not happen with non-amphibious vehicles, for example all main battle tanks, they back up properly and drive around the house.

Additional Information

The same issue also extends to DLC such as Global Mobilization, and even user generated content (mods).

Event Timeline

Alith created this task.Sep 24 2022, 10:09 PM
This comment was removed by Tenshi.
Tenshi added a subscriber: Tenshi.Jan 16 2023, 11:10 AM
honger added a subscriber: honger.Feb 15 2023, 9:22 PM
dedmen set Ref Ticket to AIII-55594.Mar 16 2023, 10:34 AM
dedmen added a subscriber: dedmen.Mar 28 2023, 11:48 AM

We did a performance optimization 2 years ago, for Boat pathfinding to not calculate houses and obstacles that are on terrain above sealevel, because boats cannot drive outside of water.
Turns out, game thinks amphibious tanks are boats!

dedmen changed the task status from New to Feedback.Mar 28 2023, 12:55 PM

next dev branch/prof