luanti/src/pathfinder.h

// Luanti
// SPDX-License-Identifier: LGPL-2.1-or-later
// Copyright (C) 2013 sapier, sapier at gmx dot net

#pragma once

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/* Includes                                                                   */
/******************************************************************************/
#include <vector>
#include "irr_v3d.h"

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/* Forward declarations                                                       */
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class NodeDefManager;
class Map;

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/* Typedefs and macros                                                        */
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typedef enum {
	DIR_XP,
	DIR_XM,
	DIR_ZP,
	DIR_ZM
} PathDirections;

/** List of supported algorithms */
typedef enum {
	PA_DIJKSTRA,           /**< Dijkstra shortest path algorithm             */
	PA_PLAIN,            /**< A* algorithm using heuristics to find a path */
	PA_PLAIN_NP          /**< A* algorithm without prefetching of map data */
} PathAlgorithm;

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/* declarations                                                               */
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/** c wrapper function to use from scriptapi */
std::vector<v3s16> get_path(Map *map, const NodeDefManager *ndef,
		v3s16 source,
		v3s16 destination,
		unsigned int searchdistance,
		unsigned int max_jump,
		unsigned int max_drop,
		PathAlgorithm algo);