float ox = x * (float)Geometry.MapHexWidth;
float oy = y * (float)Geometry.MapHexHeight;
xcoord = (oy - ox) - proto.OffsetX;
ycoord = ((cy + (cx / 2)) * Geometry.MapHexLineHeight) - proto.OffsetY;

if (!(y == 0 && x == 0))
{
    if (x % 2 == 1)
    {
        ycoord -= 6;
    }
    if (x > 1)
    {
        xcoord += (x/2)*Geometry.MapHexHeight;
    }
}

// Offset when drawing stuff... this is probably wrong...
xcoord -= (Bitmaps[scenery].Width)
ycoord -= (Bitmaps[scenery].Height)