/// <summary>
/// Reads this buffer to the given graph.
/// </summary>
/// <param name="mesh"></param>
public void ReadTo <TV, TE, TF>(HeMeshBase <TV, TE, TF> mesh, Action <TV, object[]> setVertexAttributes = null, Action <TE, object[]> setHedgeAttributes = null, Action <TF, object[]> setFaceAttributes = null)
where TV : HeMeshBase <TV, TE, TF> .Vertex
where TE : HeMeshBase <TV, TE, TF> .Halfedge
where TF : HeMeshBase <TV, TE, TF> .Face
{
var verts = mesh.Vertices;
var hedges = mesh.Halfedges;
var faces = mesh.Faces;
int nv = verts.Count;
int nhe = hedges.Count;
int nf = faces.Count;
// add new vertices
for (int i = 0; i < _vertexRefs.Length; i++)
{
mesh.AddVertex();
}
// add new halfedges
for (int i = 0; i < _hedgeRefs.Length; i++)
{
mesh.AddEdge();
}
// add new faces
for (int i = 0; i < _faceRefs.Length; i++)
{
mesh.AddFace();
}
// link up vertices
for (int i = 0; i < _vertexRefs.Length; i++)
{
var v = verts[i + nv];
var first = _vertexRefs[i];
if (first > -1)
{
v.First = hedges[first + nhe];
}
}
// link up halfedges
for (int i = 0; i < _hedgeRefs.Length; i++)
{
var he = hedges[i + nhe];
var refs = _hedgeRefs[i];
he.PreviousInFace = hedges[refs[0] + nhe];
he.NextInFace = hedges[refs[1] + nhe];
var start = refs[2];
if (start > -1)
{
he.Start = verts[start + nhe];
}
var face = refs[3];
if (face > -1)
{
he.Face = faces[face + nf];
}
}
// link up faces
for (int i = 0; i < _faceRefs.Length; i++)
{
var f = faces[i + nf];
var first = _faceRefs[i];
if (first > -1)
{
f.First = hedges[first + nhe];
}
}
// TODO validate topology?
// set vertex attributes
if (setVertexAttributes != null)
{
for (int i = 0; i < _vertexAttributes.Length; i++)
{
setVertexAttributes(verts[i + nv], _vertexAttributes[i]);
}
}
// set vertex attributes
if (setHedgeAttributes != null)
{
for (int i = 0; i < _hedgeAttributes.Length; i++)
{
setHedgeAttributes(hedges[i + nhe], _hedgeAttributes[i]);
}
}
// set vertex attributes
if (setFaceAttributes != null)
{
for (int i = 0; i < _faceAttributes.Length; i++)
{
setFaceAttributes(faces[i + nf], _faceAttributes[i]);
}
}
}
