"This part should never be reached" has been reached in 5.4.6

1

I’m been getting errors in my grid graph since 5.4.6, it doesn’t happen every time I launch the game, but often. I have the ASTAR_GRID_NO_CUSTOM_CONNECTIONS compiler define.

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AssertionException: Assertion failure. Value was Null
Expected: Value was not Null
UnityEngine.Assertions.Assert.Fail (System.String message, System.String userMessage) (at <ed2d546f2ee44b729486b69646ca06a6>:0)
UnityEngine.Assertions.Assert.IsNotNull[T] (T value, System.String message) (at <ed2d546f2ee44b729486b69646ca06a6>:0)
UnityEngine.Assertions.Assert.IsNotNull[T] (T value) (at <ed2d546f2ee44b729486b69646ca06a6>:0)
Pathfinding.ABPath.EndPointGridGraphSpecialCase (Pathfinding.Path+SearchContext& ctx, Pathfinding.NearestNodeConstraint nn, Pathfinding.NNInfo closestWalkableEndNode, UnityEngine.Vector3 originalEndPoint, System.Int32 targetIndex) (at ./Library/PackageCache/com.arongranberg.astar@85d89969624b/Pathfinders/ABPath.cs:274)
Pathfinding.ABPath.FindStartAndEndNodes (Pathfinding.Path+SearchContext& ctx, Pathfinding.NearestNodeConstraint& constraint) (at ./Library/PackageCache/com.arongranberg.astar@85d89969624b/Pathfinders/ABPath.cs:433)
Pathfinding.ABPath.Prepare (Pathfinding.Path+SearchContext& ctx) (at ./Library/PackageCache/com.arongranberg.astar@85d89969624b/Pathfinders/ABPath.cs:390)
Pathfinding.Path.Pathfinding.IPathInternals.Prepare (Pathfinding.Path+SearchContext& ctx) (at ./Library/PackageCache/com.arongranberg.astar@85d89969624b/Core/Pathfinding/Path.cs:1197)
Pathfinding.PathProcessor.CalculatePathsThreaded (Pathfinding.PathHandler pathHandler, Pathfinding.Sync.BlockableChannel`1+Receiver[T] receiver) (at ./Library/PackageCache/com.arongranberg.astar@85d89969624b/Core/Pathfinding/PathProcessor.cs:326)
UnityEngine.Debug:LogException(Exception)
Pathfinding.PathProcessor:CalculatePathsThreaded(PathHandler, Receiver) (at ./Library/PackageCache/com.arongranberg.astar@85d89969624b/Core/Pathfinding/PathProcessor.cs:395)
Pathfinding.<>c__DisplayClass27_0:<StartThreads>b__0() (at ./Library/PackageCache/com.arongranberg.astar@85d89969624b/Core/Pathfinding/PathProcessor.cs:122)
System.Threading.ThreadHelper:ThreadStart()

This happens after initially scanning the graph and using Seeker paths. Every agent in the game is stuck in-spot, but the grid graph is scanned. I also have a 2nd grid graph active at the same time (adding for completeness).

Thanks

2

Hi

Thank you for the bug report.

Can you post your graph settings and seeker settings?

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5

Strange. It looks perfectly reasonable. Are you able to share a test project in which we can replicate the error?

6

Morning Aron,

I cannot replicate this in a sample project, apologies. The behaviour is likely being exposed by the more complex interactions of a real game. I am still presently stuck on 5.4.5. If there’s any specific infomation I can provide I’m happy to do so.

Thanks