public int GetDistanceSquaredToArea(XPoint2 pnt, RMArea area, int minDist)
{
Debug.Assert(area.Built,
"GetDistanceSquaredToArea() does not work for unbuilt areas");
int sizeX = Map.GetLength(0), sizeY = Map.GetLength(1);
XRectangle range = area.ActiveArea;
range.RestrictToWithin(new XRectangle(pnt.X, pnt.Y, 1, 1));
range.Inflate(minDist);
range.RestrictToWithin(new XRectangle(0, 0, sizeX, sizeY));
int minDist2 = int.MaxValue;
for (int x = range.Left; x < range.Right; ++x)
{
for (int y = range.Top; y < range.Bottom; ++y)
{
int dx = x - pnt.X, dy = y - pnt.Y;
int dist2 = dx * dx + dy * dy;
if (dist2 > minDist * minDist)
{
continue;
}
var tile = Map[x, y];
if (tile != null)
{
while (tile != area && tile.Parent != null)
{
tile = tile.Parent;
}
}
if (tile == area)
{
if (dist2 < minDist2)
{
minDist2 = dist2;
}
}
}
}
return(minDist2);
}
public void SetTileArea(XPoint2 pnt, RMArea area)
{
Map[pnt.X, pnt.Y] = area;
}
