/**
* Clear the snow from a tile and return it to its previous type.
* @param t the tile to clear of snow
* @pre GetClearGround(t) == CLEAR_SNOW
*/
public static void ClearSnow(this TileIndex t)
{
Debug.Assert(GetClearGround(t) == ClearGround.CLEAR_SNOW);
Map._m[t].m3 = BitMath.ClrBit(Map._m[t].m3, 4);
SetClearDensity(t, 3);
}
/**
* Remove the bridge over the given axis.
* @param t the tile to remove the bridge from
* @param a the axis of the bridge to remove
*/
public static void ClearSingleBridgeMiddle(TileIndex t, Axis a)
{
Map._m[t].type = (byte)BitMath.ClrBit(Map._m[t].type, (byte)(2 + (byte)a));
}