private void BuildClusters()
{
FaceToLeafMap faceMap = new FaceToLeafMap(faces.Count);
for (int i = 0; i < dleaves.Count; ++i)
{
var dleaf = dleaves[i];
BuilFaceToLeafMap(faceMap, i, dleaf);
if (dleaf.cluster >= 0)
{
foreach (var vis in clusters[dleaf.cluster].lists)
{
dleaf = dleaves[vis];
BuilFaceToLeafMap(faceMap, i, dleaf);
}
foreach (var visC in clusters[dleaf.cluster].visiblity)
foreach (var vis in clusters[visC].lists)
{
dleaf = dleaves[vis];
BuilFaceToLeafMap(faceMap, i, dleaf);
}
}
}
var keys = faceMap.FindUniqueKeys();
foreach (var k in keys)
{
if (k.Faces.Count > 0)
{
var geo = BuildGeometry(k.Faces);
if (geo != null)
{
foreach (var l in k.Key.Leaves)
leaves[l.Key].Geometries.Add(geo);
}
}
}
}
private void BuilFaceToLeafMap(FaceToLeafMap faceMap, int i, dleaf_t dleaf)
{
if (dleaf.lface_num >= 0)
for (int j = dleaf.lface_id; j < dleaf.lface_id + dleaf.lface_num; ++j)
faceMap.Faces[listOfFaces[j]].AddLeaf(i);
}
private void BuilFaceToLeafMap(FaceToLeafMap faceMap, int i, dleaf_t dleaf)
{
if (dleaf.numleaffaces >= 0 && dleaf.firstleafface >= 0 && dleaf.firstleafface != ushort.MaxValue)
for (int j = dleaf.firstleafface; j < dleaf.firstleafface + dleaf.numleaffaces; ++j)
faceMap.Faces[(int)listOfFaces[j]].AddLeaf(i);
}
private void BuilFaceToLeafMap(FaceToLeafMap faceMap, int i, leaf_t dleaf)
{
if (dleaf.leafface >= 0 && dleaf.n_leaffaces >= 0)
for (int j = dleaf.leafface; j < dleaf.leafface + dleaf.n_leaffaces; ++j)
faceMap.Faces[(int)listOfFaces[j]].AddLeaf(i);
}