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Change polygon cost (pathfinding)

Hi,

Since there is check in de details of the recasted navmesh in the editor to show the default polygon cost I wonder if there is a way to change this cost. I know I can change area costs with SetFixedAreaEnteringCost & SetAreaCost functions, However, these functions work for areas (group of N-polygons). I want to change the cost of a concrete polygon. Does someone know if this is possible?

 for (const auto& Poly : AllPolys)
 {
     const uint32 AreaId = this->GetPolyAreaID(Poly.Ref);
     // What I have now. It changes the cost of all polygons with just one iteration since all polys belong to the only area I have
     DefaultQueryFilter->SetFixedAreaEnteringCost(AreaId, 4);
     DefaultQueryFilter->SetAreaCost(AreaId, 2);
     // What I want. Change the cost of each polygon according to an external custom function
     const float MyPolyCost = AuxClass::getCost(Poly.Center)
     example.setPolyCost(MyPolyCost);

 }

Thanks!

Product Version: UE 4.10
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asked Jan 10 '16 at 07:25 PM in C++ Programming

avatar image

mtrebi
348 16 24 27

avatar image mtrebi Apr 21 '16 at 11:11 AM

Although I don't know if this is possible or not, another option would be to override the custom costs of the pathfinding algorithm. See the answer.

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