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

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dtQuerySpecialLinkFilter

By default [dtQueryFilter](API\Runtime\Navmesh\Detour\dtQueryFilter) will use virtual calls.

Windows

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Linux

References

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

Syntax

struct dtQuerySpecialLinkFilter

Remarks

By default dtQueryFilter will use virtual calls. On certain platforms indirect or virtual function call is expensive. The default setting is to use non-virtual functions, the actual implementations of the functions are declared as inline for maximum speed. To avoid virtual calls create dtQueryFilter with inIsVirtual = false. Special link filter is custom filter run only for offmesh links with assigned UserId Used by smart navlinks in UE4

Destructors

	Name	Description
	~dtQuerySpecialLinkFilter()

Functions

		Name	Description
	void	initialize()	Called before accessing in A* loop (can be called multiple time for updateSlicedFindPath)
	bool	isLinkAllowed ( const int UserId )	Returns true if special link can be visited. (I.e. Is traversable.)

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