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); }