pathfinder.h

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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.
*/
 
#pragma once
 
/******************************************************************************/
/* Includes                                                                   */
/******************************************************************************/
#include <vector>
#include "irr_v3d.h"
 
/******************************************************************************/
/* Forward declarations                                                       */
/******************************************************************************/
 
class NodeDefManager;
class Map;
 
/******************************************************************************/
/* Typedefs and macros                                                        */
/******************************************************************************/
 
typedef enum {
    DIR_XP,
    DIR_XM,
    DIR_ZP,
    DIR_ZM
} PathDirections;
 
typedef enum {
    PA_DIJKSTRA,           
    PA_PLAIN,            
    PA_PLAIN_NP          
} PathAlgorithm;
 
/******************************************************************************/
/* declarations                                                               */
/******************************************************************************/
 
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);