void ConvertToPoly::Convert (PolyObject *obj, TimeValue t, MNMesh & mm, Interval & ivalid) {
int keepConvex;
int limitSize;
int maxdeg=0;
int keepPlanar, elimCollin;
float planarThresh = 0.0f;
pblock->GetValue (turn_keep_convex, t, keepConvex, ivalid);
pblock->GetValue (turn_limit_size, t, limitSize, ivalid);
if (limitSize) pblock->GetValue (turn_max_size, t, maxdeg, ivalid);
pblock->GetValue (turn_planar, t, keepPlanar, ivalid);
if (keepPlanar) {
pblock->GetValue (turn_thresh, t, planarThresh, ivalid);
planarThresh = cosf (planarThresh);
}
pblock->GetValue (turn_eliminate_collinear, t, elimCollin, ivalid);
mm = obj->mm;
// Luna task 747
// We cannot support specified normals in Convert to Poly at this time.
mm.ClearSpecifiedNormals();
if (!mm.GetFlag (MN_MESH_FILLED_IN)) mm.FillInMesh ();
if (!mm.GetFlag (MN_MESH_NO_BAD_VERTS)) mm.EliminateBadVerts ();
if (maxdeg) mm.RestrictPolySize (maxdeg);
if (keepConvex) mm.MakeConvex ();
if (maxdeg || keepConvex) mm.ClearEFlags (MN_EDGE_INVIS);
if (keepPlanar) mm.MakePlanar (planarThresh);
if (elimCollin) mm.EliminateCollinearVerts ();
mm.selLevel = obj->mm.selLevel;
}
void ConvertToPoly::Convert (TriObject *obj, TimeValue t, MNMesh & mm, Interval & ivalid) {
int keepConvex;
int limitSize;
int maxdeg=0;
int keepPlanar;
float planarThresh = 0.0f;
int elimCollin;
pblock->GetValue (turn_keep_convex, t, keepConvex, ivalid);
pblock->GetValue (turn_limit_size, t, limitSize, ivalid);
if (limitSize) pblock->GetValue (turn_max_size, t, maxdeg, ivalid);
pblock->GetValue (turn_planar, t, keepPlanar, ivalid);
if (keepPlanar) {
pblock->GetValue (turn_thresh, t, planarThresh, ivalid);
planarThresh = cosf (planarThresh);
}
pblock->GetValue (turn_eliminate_collinear, t, elimCollin, ivalid);
mm.AddTri (obj->mesh);
mm.FillInMesh ();
mm.EliminateBadVerts ();
if (maxdeg != 3) {
if (keepPlanar) mm.FenceNonPlanarEdges (planarThresh, TRUE);
mm.MakePolyMesh (maxdeg, elimCollin);
if (keepConvex) mm.MakeConvex ();
}
mm.ClearEFlags (MN_EDGE_INVIS);
switch (obj->mesh.selLevel) {
case MESH_VERTEX: mm.selLevel = MNM_SL_VERTEX; break;
case MESH_EDGE: mm.selLevel = MNM_SL_EDGE; break;
case MESH_FACE: mm.selLevel = MNM_SL_FACE; break;
default: mm.selLevel = MNM_SL_OBJECT; break;
}
}
void get_convex_hull(Mesh& mesh, Mesh& outmesh)
{
MNMesh mn;
map<int, int> ptmap;
vector<Vector3> vertmap;
for (int i = 0; i < mesh.getNumVerts(); ++i)
{
Vector3 temp(mesh.getVert(i).x, mesh.getVert(i).y, mesh.getVert(i).z);
vertmap.push_back(temp);
}
vector<Triangle> outshape = NifQHull::compute_convex_hull(vertmap);
vector<Triangle>::size_type sz = outshape.size();
for (int i = 0; i < mesh.getNumVerts(); ++i)
{
mn.NewVert(Point3(mesh.getVert(i).x, mesh.getVert(i).y, mesh.getVert(i).z));
}
for (unsigned i = 0; i < sz; i++)
{
mn.NewTri(outshape[i].v1, outshape[i].v2, outshape[i].v3);
}
mn.EliminateIsoMapVerts();
mn.MakeConvex();
mn.FillInMesh();
mn.EliminateBadVerts(0);
mn.Triangulate();
mn.OutToTri(outmesh);
}
