/// <summary>
/// This function goes through the map and addds walls to empty spaces adjacent to floors.
/// </summary>
private void FillInWalls()
{
for (var x = 0; x < FeatureMap.GetLength(0); x++)
{
for (var y = 0; y < FeatureMap.GetLength(1); y++)
{
if (FeatureMap[x, y] == 0 && CheckAdjacent(x, y) > 0)
{
FeatureMap[x, y] = (int)LevelDecoration.Wall;
}
}
}
}