private void _findAreas(TerrainData data)
{
HashSet<Block> visited = new HashSet<Block>();
int width = data.Width;
int height = data.Height;
LinkedList<Area> areas = new LinkedList<Area>();
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
Block block = data.GetBlock(new Point(x, y));
if (block.Value > 0 && !visited.Contains(block))
{
Area newArea = _floodFillArea(block, visited);
if (newArea != null)
areas.AddLast(newArea);
}
}
}
foreach (Area area in areas)
{
data.AddArea(area);
}
}
