/*
===========================================================================

IceTech GPL Source Code
Copyright (C) 2026 Justin Marshall

===========================================================================
*/

#ifndef __RECAST_NAVMESH_H__
#define __RECAST_NAVMESH_H__

#include "../../../engine/tools/compilers/recast/RecastNavigation.h"

class idRecastNavMesh {
public:
							idRecastNavMesh( void );
							~idRecastNavMesh( void );

	void					Shutdown( void );
	bool					Load( const idStr &mapName, const idStr &fileName, unsigned int mapFileCRC );

	bool					IsLoaded( void ) const;
	const idStr &			GetName( void ) const { return name; }
	int						NumPolys( void ) const;
	const idAASSettings *	GetSettings( void ) const;
	void					Stats( void ) const;
	void					DebugDraw( int drawMode ) const;

	int						PointAreaNum( const idVec3 &origin ) const;
	int						PointReachableAreaNum( const idVec3 &origin, const idBounds &searchBounds, const int areaFlags ) const;
	int						BoundsReachableAreaNum( const idBounds &bounds, const int areaFlags ) const;
	void					PushPointIntoAreaNum( int areaNum, idVec3 &origin ) const;
	idVec3					AreaCenter( int areaNum ) const;
	int						AreaFlags( int areaNum ) const;
	int						AreaTravelFlags( int areaNum ) const;
	bool					Trace( aasTrace_t &trace, const idVec3 &start, const idVec3 &end ) const;

	bool					SetAreaState( const idBounds &bounds, const int areaContents, bool disabled );
	aasHandle_t				AddObstacle( const idBounds &bounds );
	void					RemoveObstacle( const aasHandle_t handle );
	void					RemoveAllObstacles( void );

	int						TravelTimeToGoalArea( int areaNum, const idVec3 &origin, int goalAreaNum, int travelFlags ) const;
	bool					RouteToGoalArea( int areaNum, const idVec3 origin, int goalAreaNum, int travelFlags, int &travelTime, idReachability **reach ) const;
	bool					PathToGoal( aasPath_t &path, int areaNum, const idVec3 &origin, int goalAreaNum, const idVec3 &goalOrigin, int travelFlags ) const;
	bool					PathValid( int areaNum, const idVec3 &origin, int goalAreaNum, const idVec3 &goalOrigin, int travelFlags, idVec3 &endPos, int &endAreaNum ) const;
	bool					FindNearestGoal( const idNAV *owner, aasGoal_t &goal, int areaNum, const idVec3 origin, const idVec3 &target, int travelFlags, aasObstacle_t *obstacles, int numObstacles, idNAVCallback &callback ) const;
	void					ShowPath( const idVec3 &origin, int goalAreaNum, const idVec3 &goalOrigin ) const;
	void					ShowArea( const idVec3 &origin ) const;

	static bool				BuildMapFile( const idStr &mapName, const idStr &aasType );
	static idStr			NavFileNameForMapName( const idStr &mapName );

private:
	bool					HasManager( void ) const;

private:
	idStr					name;
	recastNavHandle_t		handle;
	mutable idReachability	syntheticReach;
};

#endif /* !__RECAST_NAVMESH_H__ */