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Diffstat (limited to 'src/town_kdtree.h')
| -rw-r--r-- | src/town_kdtree.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/town_kdtree.h b/src/town_kdtree.h new file mode 100644 index 000000000..ae6b9e4ea --- /dev/null +++ b/src/town_kdtree.h @@ -0,0 +1,20 @@ +/* + * This file is part of OpenTTD. + * 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. + * 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. + * 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/>. + */ + +/** @file town_kdtree.h Declarations for accessing the k-d tree of towns */ + +#ifndef TOWN_KDTREE_H +#define TOWN_KDTREE_H + +#include "core/kdtree.hpp" +#include "town.h" + +inline uint16 Kdtree_TownXYFunc(TownID tid, int dim) { return (dim == 0) ? TileX(Town::Get(tid)->xy) : TileY(Town::Get(tid)->xy); } +typedef Kdtree<TownID, decltype(&Kdtree_TownXYFunc), uint16, int> TownKdtree; +extern TownKdtree _town_kdtree; + +#endif |