public static PlacementTree GetPlacementTree(Mesh mesh)
{
if (!mesh.IsInitialized)
{
throw new ArgumentException($"Mesh not initialized in {nameof(GetPlacementTree)}");
}
if (mesh.Dimension != 2)
{
throw new ArgumentException($"Mesh not 2D in {nameof(GetPlacementTree)}");
}
if (mesh.Faces.Any(f => !f.IsSimple))
{
throw new ArgumentException($"Mesh contains non-simple polygons in {nameof(GetPlacementTree)}");
}
var placementTree = new PlacementTree();
IEnumerable <HalfEdge> edges = _seed == -1 ? mesh.Edges() : GetShuffledEdges(mesh);
// TODO: We need to pass Rayed Faces so that placement may be extended to them.
foreach (var edge in edges)
{
placementTree.AddEdge(edge);
}
placementTree.Finish();
return(placementTree);
}
public static void Serialize(PlacementTree tree, Func <Face, string> serializeFaceToString, TextWriter stm)
{
var serializer = new JsonSerializer
{
Context = new StreamingContext(StreamingContextStates.Other, (serializeFaceToString, new Dictionary <Face, string>())),
NullValueHandling = NullValueHandling.Ignore,
TypeNameHandling = TypeNameHandling.Objects
};
using (JsonWriter writer = new JsonTextWriter(stm))
{
serializer.Serialize(writer, tree.Root);
}
}
public static PlacementTree Deserialize(Func <string, object> serializeStringToObject, TextReader stm)
{
var serializer = new JsonSerializer
{
Context = new StreamingContext(StreamingContextStates.Other, (serializeStringToObject, new Dictionary <string, object>())),
NullValueHandling = NullValueHandling.Ignore,
TypeNameHandling = TypeNameHandling.Objects
};
var ret = new PlacementTree();
using (JsonReader reader = new JsonTextReader(stm))
{
ret.Root = serializer.Deserialize <PlacementNode>(reader);
}
ret.FromDeserialized = true;
return(ret);
}