mirror of
https://github.com/wesnoth/wesnoth
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55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
/* $Id$ */
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/*
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Copyright (C) 2003 - 2010 by David White <dave@whitevine.net>
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Part of the Battle for Wesnoth Project http://www.wesnoth.org/
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY.
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See the COPYING file for more details.
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*/
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/** @file */
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#ifndef PATHUTILS_H_INCLUDED
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#define PATHUTILS_H_INCLUDED
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#include "map_location.hpp"
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class gamemap;
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/**
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* Function which, given a location, will place all locations in a ring of
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* distance r in res. res must be a std::vector of location
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*/
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void get_tile_ring(const map_location& a, const int r, std::vector<map_location>& res);
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class xy_pred : public std::unary_function<map_location const&, bool>
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{
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public:
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virtual bool operator()(map_location const&) = 0;
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protected:
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virtual ~xy_pred() {}
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};
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/** Function which, given a location, will find all tiles within 'radius' of that tile */
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void get_tiles_radius(const map_location& a, size_t radius,
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std::set<map_location>& res);
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/** Function which, given a set of locations, will find all tiles within 'radius' of those tiles */
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void get_tiles_radius(const gamemap& map, const std::vector<map_location>& locs, size_t radius,
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std::set<map_location>& res, xy_pred *pred=NULL);
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/**
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* Function which, given a location, will place all locations in the radius of r in res
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* res must be a std::vector of location
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*/
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void get_tiles_in_radius(const map_location& a, const int r, std::vector<map_location>& res);
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#endif
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