110 lines
3.0 KiB
Ucode
110 lines
3.0 KiB
Ucode
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/**
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* Copyright 1998-2013 Epic Games, Inc. All Rights Reserved.
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*/
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class NavMeshGoal_At extends NavMeshPathGoalEvaluator
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native(AI);
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cpptext
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{
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// Interface
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virtual UBOOL InitializeSearch( UNavigationHandle* Handle, const FNavMeshPathParams& PathParams);
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virtual UBOOL EvaluateGoal( PathCardinalType PossibleGoal, const FNavMeshPathParams& PathParams, PathCardinalType& out_GenGoal );
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virtual void NotifyExceededMaxPathVisits( PathCardinalType BestGuess, PathCardinalType& out_GenGoal );
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virtual UBOOL DetermineFinalGoal( PathCardinalType& out_GenGoal, class AActor** out_DestActor, INT* out_DestItem );
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virtual UBOOL SeedWorkingSet( PathOpenList& OpenList,
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FNavMeshPolyBase* AnchorPoly,
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DWORD PathSessionID,
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UNavigationHandle* Handle,
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const FNavMeshPathParams& PathParams);
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}
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/** Location to reach */
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var Vector Goal;
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/** Within this acceptable distance */
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var float GoalDist;
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/** Should keep track of cheapest path even if don't reach goal */
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var bool bKeepPartial;
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/** if set evaluate best partial path by line distance to goal */
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var bool bWeightPartialByDist;
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var float PartialDistSq;
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var bool bGoalInSamePolyAsAnchor;
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// the polygon that contains our goal point
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var private native pointer GoalPoly{FNavMeshPolyBase};
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// the last partial goal (used when no true path is found)
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var private native pointer PartialGoal{FNavMeshEdgeBase};
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native function RecycleNative();
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static function bool AtActor(NavigationHandle NavHandle, Actor GoalActor, optional float Dist, optional bool bReturnPartial, optional bool bInWeightPartialByDist)
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{
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local Controller GoalController;
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local Controller MyController;
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local vector TargetLoc;
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if (NavHandle != None)
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{
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GoalController = Controller(GoalActor);
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if (GoalController != None)
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{
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GoalActor = GoalController.Pawn;
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}
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if (GoalActor != None)
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{
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MyController = Controller(NavHandle.Outer);
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NavHandle.PopulatePathfindingParamCache();
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TargetLoc = GoalActor.GetDestination(MyController);
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return AtLocation(NavHandle, TargetLoc, Dist, bReturnPartial);
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}
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}
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return false;
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}
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static function bool AtLocation(NavigationHandle NavHandle, Vector GoalLocation, optional float Dist, optional bool bReturnPartial, optional bool bInWeightPartialByDist)
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{
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local NavMeshGoal_At Eval;
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if (NavHandle != None)
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{
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Eval = NavMeshGoal_At(NavHandle.CreatePathGoalEvaluator(default.class));
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if (Eval != None)
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{
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Eval.Goal = GoalLocation;
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Eval.GoalDist = Dist;
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Eval.bKeepPartial = bReturnPartial;
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Eval.bWeightPartialByDist = bInWeightPartialByDist;
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NavHandle.AddGoalEvaluator(Eval);
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return true;
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}
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}
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return false;
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}
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function Recycle()
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{
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Goal = vect(0,0,0);
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GoalDist = default.GoalDist;
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bKeepPartial = default.bKeepPartial;
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bWeightPartialByDist = default.bWeightPartialByDist;
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PartialDistSq = default.PartialDistSq;
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RecycleNative();
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Super.Recycle();
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}
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defaultproperties
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{
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MaxPathVisits=1024
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PartialDistSq=1000000000000.0
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bDoPartialAStar=true
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MaxOpenListSize=2048
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}
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