Mercurial > hg > openttd
changeset 12131:81033db94328 draft
(svn r16547) -Codechange: make CircularTileSearch a tiny bit faster
author | smatz <smatz@openttd.org> |
---|---|
date | Tue, 09 Jun 2009 23:34:48 +0000 |
parents | 4d1083a76bb1 |
children | e54f50d426de |
files | src/map.cpp |
diffstat | 1 files changed, 10 insertions(+), 5 deletions(-) [+] |
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line diff
--- a/src/map.cpp +++ b/src/map.cpp @@ -307,12 +307,17 @@ uint extent[DIAGDIR_END] = { w, h, w, h }; for (uint n = 0; n < radius; n++) { - for (DiagDirection dir = DIAGDIR_NE; dir < DIAGDIR_END; dir++) { + for (DiagDirection dir = DIAGDIR_BEGIN; dir < DIAGDIR_END; dir++) { + /* Is the tile within the map? */ for (uint j = extent[dir] + n * 2 + 1; j != 0; j--) { - if (x <= MapMaxX() && y <= MapMaxY() && ///< Is the tile within the map? - proc(TileXY(x, y), user_data)) { ///< Is the callback successful? - *tile = TileXY(x, y); - return true; ///< then stop the search + if (x < MapSizeX() && y < MapSizeY()) { + TileIndex t = TileXY(x, y); + /* Is the callback successful? */ + if (proc(t, user_data)) { + /* Stop the search */ + *tile = t; + return true; + } } /* Step to the next 'neighbour' in the circular line */