private IEnumerable<ILocation> buildAdjacentLocations(ILocation parent)
{
ILocation[] results = new ILocation[8];
Point[] coordinates = new Point[8];
namDirections[] directionArray = new namDirections[8];
int adjustedSize = this.Rect.Width; // size is distance from center to edge,
// double to ensure we end up outside of this box
directionArray[(int)namDirections.East] = namDirections.East;
directionArray[(int)namDirections.North] = namDirections.North;
directionArray[(int)namDirections.NorthEast] = namDirections.NorthEast;
directionArray[(int)namDirections.NorthWest] = namDirections.NorthWest;
directionArray[(int)namDirections.South] = namDirections.South;
directionArray[(int)namDirections.SouthEast] = namDirections.SouthEast;
directionArray[(int)namDirections.SouthWest] = namDirections.SouthWest;
directionArray[(int)namDirections.West] = namDirections.West;
coordinates[(int)namDirections.East] = new Point(this.Rect.Center.X + adjustedSize, this.Rect.Center.Y);
coordinates[(int)namDirections.North] = new Point(this.Rect.Center.X, this.Rect.Center.Y - adjustedSize);
coordinates[(int)namDirections.NorthEast] = new Point(this.Rect.Center.X + adjustedSize, this.Rect.Center.Y - adjustedSize);
coordinates[(int)namDirections.NorthWest] = new Point(this.Rect.Center.X - adjustedSize, this.Rect.Center.Y - adjustedSize);
coordinates[(int)namDirections.South] = new Point(this.Rect.Center.X, this.Rect.Center.Y + adjustedSize);
coordinates[(int)namDirections.SouthEast] = new Point(this.Rect.Center.X + adjustedSize, this.Rect.Center.Y + adjustedSize);
coordinates[(int)namDirections.SouthWest] = new Point(this.Rect.Center.X - adjustedSize, this.Rect.Center.Y + adjustedSize);
coordinates[(int)namDirections.West] = new Point(this.Rect.Center.X - adjustedSize, this.Rect.Center.Y);
foreach (namDirections d in directionArray)
{
if (IsKnown)
{
results[(byte)d] = Parent.GetLocation(coordinates[(int)d]);
}
else
{
Point center = coordinates[(int)d];
results[(byte)d] = new Location(this,
new Rectangle(center.X, center.Y,
this.Rect.Width, this.Rect.Height));
}
}
return results;
}
public ILocation GetLocation(namDirections direction)
{
return this.AdjacentLocations.ElementAt((int)direction);
}