cpp/openttd-patchpack/source Changeset - r18846:940300a5be9b

Changeset - r18846:940300a5be9b

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smatz - 12 years ago 2012-01-01 17:32:45
smatz@openttd.org

(svn r23705) -Codechange: cache the last processed station in FindStationsAroundTiles() in order to make the code a bit faster

1 file changed with 8 insertions and 1 deletions:

src/station_cmd.cpp

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src/station_cmd.cpp

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@@ @@ -3407,12 +3407,19 @@ void FindStationsAroundTiles(const TileA @@
 	if (max_x >= MapSizeX()) max_x = MapSizeX() - 1;
 	if (max_y >= MapSizeY()) max_y = MapSizeY() - 1;
 	StationID last = INVALID_STATION;
 	for (uint cy = min_y; cy < max_y; cy++) {
 		for (uint cx = min_x; cx < max_x; cx++) {
 			TileIndex cur_tile = TileXY(cx, cy);
 			if (!IsTileType(cur_tile, MP_STATION)) continue;
 			Station *st = Station::GetByTile(cur_tile);
 			StationID sid = GetStationIndex(cur_tile);
 			/* Stop early if we met the same station again. */
 			if (sid == last) continue;
 			last = sid;
 			Station *st = Station::GetIfValid(sid);
 			/* st can be NULL in case of waypoints */
 			if (st == NULL) continue;

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