Method Allocate

src/map.cpp:37–61

* (Re)allocates a map with the given dimension * @param size_x the width of the map along the NE/SW edge * @param size_y the 'height' of the map along the SE/NW edge */ static */

 * @param size_y the 'height' of the map along the SE/NW edge
 */
/* static */ void Map::Allocate(uint size_x, uint size_y)
{
	/* Make sure that the map size is within the limits and that
	 * size of both axes is a power of 2. */
	if (!IsInsideMM(size_x, MIN_MAP_SIZE, MAX_MAP_SIZE + 1) ||
			!IsInsideMM(size_y, MIN_MAP_SIZE, MAX_MAP_SIZE + 1) ||
			(size_x & (size_x - 1)) != 0 ||
			(size_y & (size_y - 1)) != 0) {
		FatalError("Invalid map size");
	}

	Debug(map, 1, "Allocating map of size {}x{}", size_x, size_y);

	Map::log_x = FindFirstBit(size_x);
	Map::log_y = FindFirstBit(size_y);
	Map::size_x = size_x;
	Map::size_y = size_y;
	Map::size = size_x * size_y;
	Map::tile_mask = Map::size - 1;

	Tile::base_tiles = std::make_unique<Tile::TileBase[]>(Map::size);
	Tile::extended_tiles = std::make_unique<Tile::TileExtended[]>(Map::size);

	AllocateWaterRegions();
}

/* static */ void Map::CountLandTiles()
{