public Region(int[,] map, int ID, int count, Pos pos)
{
this.ID = ID;
this.count = count;
this.startpos = pos;
this.closest = new List <Connection>();
LoopTurtle turtle = new LoopTurtle(map, pos, EMPTY, true);
this.cmds = turtle.cmdlist;
this.connected_to_main = false;
this.connections = new List <Region>();
}
// the purpose of extracting inner regions is purely cosmetic, so no actual regions are returned, just the wall geometry
// this step should be performed before normal region extraction
public static List <List <Cmd> > extract_inner_regions(int[,] map, int threshold)
{
int width = map.GetLength(0);
int height = map.GetLength(1);
List <List <Cmd> > wall_geometry = new List <List <Cmd> >();
for (int x = 1; x < width - 1; x++)
{
for (int y = 1; y < height - 1; y++)
{
if (map[x, y] == EMPTY)
{
int count = flood_fill(map, x, y, INNER_REGION, EMPTY);
if (count > threshold)
{
LoopTurtle turtle = new LoopTurtle(map, new Pos(x, y), FILLED, false);
turtle.cmdlist.Reverse();
wall_geometry.Add(turtle.cmdlist);
}
else if (count != 0)
{
flood_fill(map, x, y, FILLED, INNER_REGION);
}
}
}
}
// clear the inner region markers
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
map[x, y] = map[x, y] == INNER_REGION ? EMPTY : map[x, y];
}
}
return(wall_geometry);
}
