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> Unreal Engine API Reference > Runtime > Navmesh > Detour > dtTileRef

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dtTileRef

A handle to a tile within a navigation mesh.

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Type

typedef UE4Type_uint64 dtTileRef

References

Module	Navmesh
Header	/Engine/Source/Runtime/Navmesh/Public/Detour/DetourNavMesh.h
Include	#include "Detour/DetourNavMesh.h"

Remarks

A handle to a tile within a navigation mesh.

The following changes will invalidate a tile reference:

The referenced tile has been removed from the navigation mesh.
The navigation mesh has been initialized using a different set of dtNavMeshParams.

A tile reference is preserved/restored if the tile is added to a navigation mesh initialized with the original dtNavMeshParams and is added at the original reference location. (E.g. The lastRef parameter is used with dtNavMesh::addTile.)

Basically, if the storage structure of a tile changes, its associated tile reference changes.

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