63 lines
2.3 KiB
Ucode
63 lines
2.3 KiB
Ucode
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/**
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* Interface for actors that use NavigationHandle
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* - implementations of this interface describe what constraints and parameters to use when searching for a path across the nav mesh
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* Copyright 1998-2013 Epic Games, Inc. All Rights Reserved.
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*/
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interface Interface_NavigationHandle
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native;
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cpptext
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{
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/** >>>>> here lie functions which take input, and thus can not be cached */
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virtual UBOOL CanCoverSlip(class ACoverLink* Link, INT SlotIdx) { return FALSE; }
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/**
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* returns the offset from the edge move point this entity should move toward (e.g. how high off the ground we should move to)
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* @param Edge - the edge we're moving to
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* @return - the offset to use
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*/
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virtual FVector GetEdgeZAdjust(struct FNavMeshEdgeBase* Edge)=0;
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/**
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* allows entities to do custom validation before OK'ing mantle edges
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* @param Edge - the edge we're verifying
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* @return TRUE if the passed edge is OK to traverse
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*/
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virtual UBOOL CheckMantleValidity(struct FNavMeshMantleEdge* Edge){ return TRUE; }
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/*** <<<<<< */
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/**
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* this function is responsible for setting all the relevant parmeters used for pathfinding
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* @param out_ParamCache - the output struct to populate params in
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* @NOTE: ALL Params FNavMeshPathParams should be populated
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*
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*/
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virtual void SetupPathfindingParams( struct FNavMeshPathParams& out_ParamCache )=0;
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/**
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* Called from FindPath() at the beginning of a path search to give this entity a chance to initialize transient data
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*/
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virtual void InitForPathfinding()=0;
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/**
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* when this entity is using an edge (e.g. it has been marked active and is in this handle's pathcache) this function allows
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* extra cost to be added for other entities trying to use that edge. (e.g. to keep guys from using the same path)
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* @param Edge - the edge we're about to mark as active
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*/
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virtual INT ExtraEdgeCostToAddWhenActive(FNavMeshEdgeBase* Edge) { return 0; }
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/**
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* DebugLog function which is called to log information specific to this AI (call NAVHANDLE_DEBUG_LOG macro, don't call this directly)
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* @param LogText - text to log for this AI
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*/
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virtual void DebugLogInternal(const TCHAR* LogText) {}
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}
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/**
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* this event is called when an edge is deleted that this handle is actively using
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*/
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event NotifyPathChanged();
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