#ifndef NAVIGATION_UTILITIES_H
#define NAVIGATION_UTILITIES_H

/*************************************************************************/
/*  navigation_utilities.h                                               */
/*************************************************************************/
/*                         This file is part of:                         */
/*                          PANDEMONIUM ENGINE                           */
/*             https://github.com/Relintai/pandemonium_engine            */
/*************************************************************************/
/* Copyright (c) 2022-present Péter Magyar.                              */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
/* Copyright (c) 2007-2022 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:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
/*************************************************************************/

#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