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https://github.com/wesnoth/wesnoth
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2101353d36
Turns out I mistook @celticminstrel's opinion that we should use include guards over pragma (737916e). Since all major compilers support `#pragma once`, there's no reason not to use it. For future mergability reasons, this excludes src/spirit_po and src/xBRZ. It also excludes src/boost-patched.
73 lines
2.5 KiB
C++
73 lines
2.5 KiB
C++
/*
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Copyright (C) 2003 - 2017 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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#pragma once
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#include "map/location.hpp"
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class gamemap;
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class xy_pred
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{
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public:
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virtual bool operator()(map_location const&) const = 0;
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protected:
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virtual ~xy_pred() {}
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};
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/**
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* Function that will add to @a result all locations exactly @a radius tiles
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* from @a center (or nothing if @a radius is not positive). @a result must be
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* a std::vector of locations.
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*/
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void get_tile_ring(const map_location& center, const int radius,
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std::vector<map_location>& result);
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/**
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* Function that will add to @a result all locations within @a radius tiles
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* of @a center (excluding @a center itself). @a result must be a std::vector
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* of locations.
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*/
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void get_tiles_in_radius(const map_location& center, const int radius,
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std::vector<map_location>& result);
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/**
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* Function that will add to @a result all locations within @a radius tiles
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* of @a center (including @a center itself). @a result must be a std::set
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* of locations.
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*/
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void get_tiles_radius(const map_location& center, size_t radius,
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std::set<map_location>& result);
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/**
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* Function that will add to @a result all elements of @a locs, plus all
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* on-board locations that are within @a radius tiles of an element of locs.
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* @a result must be a std::set of locations.
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*/
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void get_tiles_radius(const gamemap& map, const std::vector<map_location>& locs,
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size_t radius, std::set<map_location>& result,
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bool with_border=false);
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/**
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* Function that will add to @a result all elements of @a locs, plus all
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* on-board locations matching @a pred that are connected to elements of
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* locs by a chain of at most @a radius tiles, each of which matches @a pred.
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* @a result must be a std::set of locations.
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*/
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void get_tiles_radius(const gamemap& map, const std::vector<map_location>& locs,
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size_t radius, std::set<map_location>& result,
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bool with_border, const xy_pred &pred);
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