/* results in new vertex with correct coordinate, vertex normal and weight group info */
static BMVert *bm_subdivide_edge_addvert(BMesh *bm, BMEdge *edge, BMEdge *oedge,
const SubDParams *params, float percent,
float percent2,
BMEdge **out, BMVert *vsta, BMVert *vend)
{
BMVert *ev;
ev = BM_edge_split(bm, edge, edge->v1, out, percent);
BMO_elem_flag_enable(bm, ev, ELE_INNER);
/* offset for smooth or sphere or fractal */
alter_co(ev, oedge, params, percent2, vsta, vend);
#if 0 //BMESH_TODO
/* clip if needed by mirror modifier */
if (edge->v1->f2) {
if (edge->v1->f2 & edge->v2->f2 & 1) {
co[0] = 0.0f;
}
if (edge->v1->f2 & edge->v2->f2 & 2) {
co[1] = 0.0f;
}
if (edge->v1->f2 & edge->v2->f2 & 4) {
co[2] = 0.0f;
}
}
#endif
interp_v3_v3v3(ev->no, vsta->no, vend->no, percent2);
normalize_v3(ev->no);
return ev;
}
static PyObject *bpy_bm_utils_edge_split(PyObject *UNUSED(self), PyObject *args)
{
BPy_BMEdge *py_edge;
BPy_BMVert *py_vert;
float fac;
BMesh *bm;
BMVert *v_new = NULL;
BMEdge *e_new = NULL;
if (!PyArg_ParseTuple(args, "O!O!f:edge_split",
&BPy_BMEdge_Type, &py_edge,
&BPy_BMVert_Type, &py_vert,
&fac))
{
return NULL;
}
BPY_BM_CHECK_OBJ(py_edge);
BPY_BM_CHECK_OBJ(py_vert);
/* this doubles for checking that the verts are in the same mesh */
if (!(py_edge->e->v1 == py_vert->v ||
py_edge->e->v2 == py_vert->v))
{
PyErr_SetString(PyExc_ValueError,
"edge_split(edge, vert): the vertex is not found in the edge");
return NULL;
}
bm = py_edge->bm;
v_new = BM_edge_split(bm, py_edge->e, py_vert->v, &e_new, CLAMPIS(fac, 0.0f, 1.0f));
if (v_new && e_new) {
PyObject *ret = PyTuple_New(2);
PyTuple_SET_ITEMS(ret,
BPy_BMEdge_CreatePyObject(bm, e_new),
BPy_BMVert_CreatePyObject(bm, v_new));
return ret;
}
else {
PyErr_SetString(PyExc_ValueError,
"edge_split(edge, vert): couldn't split the edge, internal error");
return NULL;
}
}
/* results in new vertex with correct coordinate, vertex normal and weight group info */
static BMVert *bm_subdivide_edge_addvert(BMesh *bm,
BMEdge *edge,
BMEdge *e_orig,
const SubDParams *params,
const float factor_edge_split,
const float factor_subd,
BMVert *v_a,
BMVert *v_b,
BMEdge **r_edge)
{
BMVert *v_new;
v_new = BM_edge_split(bm, edge, edge->v1, r_edge, factor_edge_split);
BMO_vert_flag_enable(bm, v_new, ELE_INNER);
/* offset for smooth or sphere or fractal */
alter_co(v_new, e_orig, params, factor_subd, v_a, v_b);
#if 0 // BMESH_TODO
/* clip if needed by mirror modifier */
if (edge->v1->f2) {
if (edge->v1->f2 & edge->v2->f2 & 1) {
co[0] = 0.0f;
}
if (edge->v1->f2 & edge->v2->f2 & 2) {
co[1] = 0.0f;
}
if (edge->v1->f2 & edge->v2->f2 & 4) {
co[2] = 0.0f;
}
}
#endif
interp_v3_v3v3(v_new->no, v_a->no, v_b->no, factor_subd);
normalize_v3(v_new->no);
return v_new;
}
