mirror of https://github.com/OpenTTD/OpenTTD
28 lines
1.0 KiB
C
28 lines
1.0 KiB
C
/*
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* This file is part of OpenTTD.
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* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
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* OpenTTD 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.
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* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file town_kdtree.h Declarations for accessing the k-d tree of towns */
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#ifndef TOWN_KDTREE_H
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#define TOWN_KDTREE_H
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#include "core/kdtree.hpp"
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#include "town.h"
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struct Kdtree_TownXYFunc {
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inline uint16_t operator()(TownID tid, int dim)
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{
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return (dim == 0) ? TileX(Town::Get(tid)->xy) : TileY(Town::Get(tid)->xy);
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}
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};
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using TownKdtree = Kdtree<TownID, Kdtree_TownXYFunc, uint16_t, int>;
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extern TownKdtree _town_kdtree;
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extern TownKdtree _town_local_authority_kdtree;
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#endif
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