// Token: 0x06000002 RID: 2 RVA: 0x000020AC File Offset: 0x000002AC
public void Build(FacetedBRep brep)
{
this.Edges = new List <FacetedBRepEdgeBuilder.Edge>();
this.Faces = new List <List <int> >();
int count = brep.Faces.Count;
Dictionary <FacetedBRepEdgeBuilder.Edge, Tuple <int, int> > dictionary = new Dictionary <FacetedBRepEdgeBuilder.Edge, Tuple <int, int> >();
List <UnitVector3> list = new List <UnitVector3>();
int num = 0;
foreach (FacetedBRepFace facetedBRepFace in brep.Faces)
{
UnitVector3 polygonNormal = this.getPolygonNormal(facetedBRepFace.Vertices);
list.Add(polygonNormal);
int count2 = facetedBRepFace.VerticeIndexes.Count;
for (int i = 0; i < count2; i++)
{
int index = (i + 1) % count2;
FacetedBRepEdgeBuilder.Edge edge = new FacetedBRepEdgeBuilder.Edge(facetedBRepFace.VerticeIndexes[i], facetedBRepFace.VerticeIndexes[index]);
this.addFace(dictionary, edge, num);
}
if (facetedBRepFace.HasHoles)
{
foreach (FacetedBRepFaceHole facetedBRepFaceHole in facetedBRepFace.Holes)
{
int count3 = facetedBRepFaceHole.VerticeIndexes.Count;
for (int j = 0; j < count3; j++)
{
int index2 = (j + 1) % count3;
FacetedBRepEdgeBuilder.Edge edge2 = new FacetedBRepEdgeBuilder.Edge(facetedBRepFaceHole.VerticeIndexes[j], facetedBRepFaceHole.VerticeIndexes[index2]);
this.addFace(dictionary, edge2, num);
}
}
}
num++;
}
this.Edges = this.TagEdgesByFeatureAngle(dictionary, list);
foreach (FacetedBRepEdgeBuilder.Edge key in this.Edges)
{
Tuple <int, int> tuple = dictionary[key];
List <int> list2 = new List <int>();
if (tuple.Item1 != -1)
{
list2.Add(tuple.Item1);
}
if (tuple.Item2 != -1)
{
list2.Add(tuple.Item2);
}
this.Faces.Add(list2);
}
}
// Token: 0x0600000B RID: 11 RVA: 0x00002444 File Offset: 0x00000644
private List <FacetedBRepEdgeBuilder.Edge> TagEdgesByFeatureAngle(Dictionary <FacetedBRepEdgeBuilder.Edge, Tuple <int, int> > edges, List <UnitVector3> normals)
{
List <FacetedBRepEdgeBuilder.Edge> list = new List <FacetedBRepEdgeBuilder.Edge>();
foreach (KeyValuePair <FacetedBRepEdgeBuilder.Edge, Tuple <int, int> > keyValuePair in edges)
{
bool sharp = true;
int item = keyValuePair.Value.Item1;
int item2 = keyValuePair.Value.Item2;
if (item != -1 && item2 != -1)
{
UnitVector3 unitVector = normals[keyValuePair.Value.Item1];
UnitVector3 vector = normals[keyValuePair.Value.Item2];
if (Math.Acos(unitVector.Dot(vector)) < this.FeatureAngle)
{
sharp = false;
}
}
FacetedBRepEdgeBuilder.Edge item3 = new FacetedBRepEdgeBuilder.Edge(keyValuePair.Key.FirstVertex, keyValuePair.Key.SecondVertex, sharp);
list.Add(item3);
}
return(list);
}
// Token: 0x0600000A RID: 10 RVA: 0x00002404 File Offset: 0x00000604
private void addFace(Dictionary <FacetedBRepEdgeBuilder.Edge, Tuple <int, int> > edges, FacetedBRepEdgeBuilder.Edge edge, int face)
{
if (edges.ContainsKey(edge))
{
int item = edges[edge].Item1;
edges[edge] = new Tuple <int, int>(item, face);
return;
}
edges[edge] = new Tuple <int, int>(face, -1);
}