Add multi-threaded NavMesh baking to NavigationServer #79972
Merged
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Adds multi-threaded NavMesh baking to NavigationServer.
Requires #79643 to be merged first.
NavigationServer3D
usingWorkerThreadPool
.NavigationServer3D.bake_from_source_geometry_data_async()
to the API.Thread
fromNavigationRegion3D
, it now calls the NavigationServer instead.The threaded navmesh baking is auto-disabled inside the Editor (as it was before) due to random crashes when switching Editor Scenes or Gizmos.
I first did not want to poll the WorkerThreadPool like that to finish tasks and instead use deferred calls to make the thread functions exit themself in a "fire & forget" way. While this worked well it was very unresponsive as deferred calls had to wait for the next message queue flush and missed important navigation map sync points for the current server iteration. It also had problems with unexpected shutdowns so I reverted that to a classic server sync.