Function UpdateStationDockingTiles

src/station_cmd.cpp:4684–4708

}

void UpdateStationDockingTiles(Station *st)
{
	st->docking_station.Clear();

	/* For neutral stations, start with the industry area instead of dock area */
	const TileArea *area = st->industry != nullptr ? &st->industry->location : &st->ship_station;

	if (area->tile == INVALID_TILE) return;

	int x = TileX(area->tile);
	int y = TileY(area->tile);

	/* Expand the area by a tile on each side while
	 * making sure that we remain inside the map. */
	int x2 = std::min<int>(x + area->w + 1, Map::SizeX());
	int x1 = std::max<int>(x - 1, 0);

	int y2 = std::min<int>(y + area->h + 1, Map::SizeY());
	int y1 = std::max<int>(y - 1, 0);

	TileArea ta(TileXY(x1, y1), TileXY(x2 - 1, y2 - 1));
	for (TileIndex tile : ta) {
		if (IsValidTile(tile) && IsPossibleDockingTile(tile)) CheckForDockingTile(tile);
	}
}

void BuildOilRig(TileIndex tile)
{