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/*
Minetest
Copyright (C) 2013 sapier, sapier at gmx dot net
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef PATHFINDER_H_
#define PATHFINDER_H_
/******************************************************************************/
/* Includes */
/******************************************************************************/
#include <vector>
#include "irr_v3d.h"
/******************************************************************************/
/* Forward declarations */
/******************************************************************************/
class ServerEnvironment;
/******************************************************************************/
/* Typedefs and macros */
/******************************************************************************/
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;
/******************************************************************************/
/* declarations */
/******************************************************************************/
/** c wrapper function to use from scriptapi */
std::vector<v3s16> get_path(ServerEnvironment *env,
v3s16 source,
v3s16 destination,
unsigned int searchdistance,
unsigned int max_jump,
unsigned int max_drop,
PathAlgorithm algo);
#endif /* PATHFINDER_H_ */
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