public Structure(string id, string role)
: base(id)
{
Unassigned = true;
switch (role.ToLower())
{
case "outline":
Role = PartRole.Outline;
break;
case "part":
Role = PartRole.Part;
break;
case "outer":
Role = PartRole.Outer;
break;
case "inner":
Role = PartRole.Inner;
break;
}
}
/// <summary>
/// </summary>
/// <param name="compound"></param>
/// <returns></returns>
private IEnumerable <Structure> Merge(Compound compound, PartRole role)
{
/// Ring assignments
while (true)
{
// For each unassigned structure
var structure = (from node in compound.Structures
where node.Unassigned && node.Role == role
select node).FirstOrDefault();
if (structure == null)
{
break;
}
if (ways.Contains(structure.Id))
{
break;
}
var way = FindWayById(structure.Id);
if (way == null)
{
break;
}
ways.Add(structure.Id);
// Merge other fitting structures
structure.Unassigned = false;
MultiPolygon ring = new MultiPolygon(CreateFootprint(way).Points);
while (true)
{
if (ring.IsClosed())
{
// Ring is closed, return merged structure
structure.Data = way;
structure.Polygon = ring;
yield return(structure);
break;
}
else
{
Vector2 first = ring.Points.First();
Vector2 last = ring.Points.Last();
foreach (var str in compound.Structures)
{
if (!str.Unassigned || str.Role != role)
{
continue;
}
var w = FindWayById(str.Id);
if (w == null)
{
continue;
}
ways.Add(str.Id);
var poly = CreateFootprint(w);
if (last == poly.Points.First())
{
ring.Points.Remove(last);
ring.Points.AddRange(poly.Points);
str.Unassigned = false;
break;
}
else if (last == poly.Points.Last())
{
var newPoly = poly.Points.Reverse <Vector2>().ToList();
ring.Points.Remove(last);
ring.Points.AddRange(newPoly);
str.Unassigned = false;
break;
}
else if (first == poly.Points.First())
{
ring.Points.Remove(first);
var oldRing = ring;
ring = new MultiPolygon(poly.Points.Reverse <Vector2>().ToList());
ring.Points.AddRange(oldRing.Points);
str.Unassigned = false;
break;
}
else if (first == poly.Points.Last())
{
ring.Points.Remove(first);
var oldRing = ring;
ring = new MultiPolygon(poly.Points);
ring.Points.AddRange(oldRing.Points);
str.Unassigned = false;
break;
}
}
}
}
}
}
public Part(string name, double price, PartRole role)
{
Name = name;
Price = price;
PartRole = role;
}
