public DispCornerNeighbors GetCornerNeighbor(NeighborCorner corner)
{
switch ((int)corner)
{
case 0:
return(_cornerNeighbors0);
case 1:
return(_cornerNeighbors1);
case 2:
return(_cornerNeighbors2);
case 3:
return(_cornerNeighbors3);
default:
throw new IndexOutOfRangeException();
}
}
private void AddCornerNeighbor(NeighborCorner corner, ushort index)
{
var min = new Vector2(0f, 0f);
var size = 1f;
switch (corner)
{
case NeighborCorner.LowerLeft:
min.X -= size;
min.Y -= size;
break;
case NeighborCorner.LowerRight:
min.X += 1f;
min.Y -= size;
break;
case NeighborCorner.UpperLeft:
min.X -= size;
min.Y += 1f;
break;
case NeighborCorner.UpperRight:
min.X += 1f;
min.Y += 1f;
break;
}
var disp = _bspFile.DisplacementManager[index];
if (_neighbors.Any(x => x.Displacement == disp))
{
return;
}
_neighbors.Add(new Neighbor(this, disp, NeighborOrientation.Unknown, min, min + new Vector2(size, size)));
}
