97 lines
2.2 KiB
Ucode
97 lines
2.2 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 Goal_AtActor extends PathGoalEvaluator
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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 InitialAbortCheck( ANavigationPoint* Start, APawn* Pawn );
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virtual UBOOL EvaluateGoal(ANavigationPoint*& PossibleGoal, APawn* Pawn);
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virtual void NotifyExceededMaxPathVisits( ANavigationPoint* BestGuess );
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}
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/** Actor to reach */
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var Actor GoalActor;
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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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static function bool AtActor( Pawn P, Actor Goal, optional float Dist, optional bool bReturnPartial )
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{
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local Goal_AtActor Eval;
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local Pawn GoalPawn;
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local Controller GoalController;
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local float AnchorDist;
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if( P != None )
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{
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GoalPawn = Pawn(Goal);
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GoalController = Controller(Goal);
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if( GoalController != None )
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{
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if( GoalController.Pawn != None )
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{
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GoalPawn = GoalController.Pawn;
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}
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else
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{
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Goal = None;
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}
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}
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// redirect to best nav point if possible
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if( GoalPawn != None )
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{
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// If moving to a pawn with a valid anchor, make sure the anchor can support the searching pawn
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if( GoalPawn.ValidAnchor() && GoalPawn.Anchor.IsUsableAnchorFor( P ) )
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{
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Goal = GoalPawn.Anchor;
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}
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else
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{
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Goal = P.GetBestAnchor(GoalPawn, GoalPawn.Location, FALSE, FALSE, AnchorDist);
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}
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}
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else if (NavigationPoint(Goal) == None)
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{
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Goal = P.GetBestAnchor(Goal, Goal.Location, false, false, AnchorDist);
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if(Goal == none)
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{
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`log("PATHWARNING: Not pushing AtActor goal constraint because we couldn't find an anchor for goal!");
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}
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}
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if( Goal != None )
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{
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Eval = Goal_AtActor(P.CreatePathGoalEvaluator(default.class));
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if( Eval != None )
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{
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Eval.GoalActor = Goal;
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Eval.GoalDist = Dist;
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Eval.bKeepPartial = bReturnPartial;
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P.AddGoalEvaluator( Eval );
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return TRUE;
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}
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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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GoalActor = none;
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GoalDist = default.GoalDist;
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bKeepPartial = default.bKeepPartial;
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Super.Recycle();
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}
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defaultproperties
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{
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CacheIdx=0
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MaxPathVisits=1024
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}
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