#ifndef NAVIGATION_UTILITIES_H
#define NAVIGATION_UTILITIES_H

/**************************************************************************/
/*  navigation_utilities.h                                                */
/**************************************************************************/
/*                         This file is part of:                          */
/*                             GODOT ENGINE                               */
/*                        https://godotengine.org                         */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
/*                                                                        */
/* Permission is hereby granted, free of charge, to any person obtaining  */
/* a copy of this software and associated documentation files (the        */
/* "Software"), to deal in the Software without restriction, including    */
/* without limitation the rights to use, copy, modify, merge, publish,    */
/* distribute, sublicense, and/or sell copies of the Software, and to     */
/* permit persons to whom the Software is furnished to do so, subject to  */
/* the following conditions:                                              */
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/* The above copyright notice and this permission notice shall be         */
/* included in all copies or substantial portions of the Software.        */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
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/**************************************************************************/

#include "core/containers/rid.h"
#include "core/math/vector3.h"
#include "core/variant/array.h"
#include "core/variant/variant.h"

namespace NavigationUtilities {

enum PathfindingAlgorithm {
	PATHFINDING_ALGORITHM_ASTAR = 0,
};

enum PathPostProcessing {
	PATH_POSTPROCESSING_CORRIDORFUNNEL = 0,
	PATH_POSTPROCESSING_EDGECENTERED,
};

enum PathSegmentType {
	PATH_SEGMENT_TYPE_REGION = 0,
	PATH_SEGMENT_TYPE_LINK
};

enum PathMetadataFlags {
	PATH_INCLUDE_NONE = 0,
	PATH_INCLUDE_TYPES = 1,
	PATH_INCLUDE_RIDS = 2,
	PATH_INCLUDE_OWNERS = 4,
	PATH_INCLUDE_ALL = PATH_INCLUDE_TYPES | PATH_INCLUDE_RIDS | PATH_INCLUDE_OWNERS
};

struct PathQueryParameters {
	PathfindingAlgorithm pathfinding_algorithm = PATHFINDING_ALGORITHM_ASTAR;
	PathPostProcessing path_postprocessing = PATH_POSTPROCESSING_CORRIDORFUNNEL;
	RID map;
	Vector3 start_position;
	Vector3 target_position;
	uint32_t navigation_layers = 1;
	int metadata_flags = PATH_INCLUDE_ALL;
};

struct PathQueryParameters2D {
	PathfindingAlgorithm pathfinding_algorithm = PATHFINDING_ALGORITHM_ASTAR;
	PathPostProcessing path_postprocessing = PATH_POSTPROCESSING_CORRIDORFUNNEL;
	RID map;
	Vector2 start_position;
	Vector2 target_position;
	uint32_t navigation_layers = 1;
	int metadata_flags = PATH_INCLUDE_ALL;
};

struct PathQueryResult {
	Vector<Vector3> path;
	Vector<int> path_types;
	Array path_rids;
	Vector<uint64_t> path_owner_ids;
};

struct PathQueryResult2D {
	Vector<Vector2> path;
	Vector<int> path_types;
	Array path_rids;
	Vector<uint64_t> path_owner_ids;
};

} //namespace NavigationUtilities

#endif // NAVIGATION_UTILITIES_H