/**
* <pre>
* v6--------v5
* | |
* | |v4s
* | |v3s
* | s s |
* v7-v0--v1-v2
* </pre>
*/
static void quad_2edge_split_innervert(BMesh *bm, BMFace *UNUSED(face), BMVert **verts,
const SubDParams *params)
{
BMFace *f_new;
BMVert *v, *v_last;
BMEdge *e, *e_new, e_tmp;
int i, numcuts = params->numcuts;
v_last = verts[numcuts];
for (i = numcuts - 1; i >= 0; i--) {
e = connect_smallest_face(bm, verts[i], verts[numcuts + (numcuts - i)], &f_new);
e_tmp = *e;
v = bm_subdivide_edge_addvert(bm, e, &e_tmp, params, 0.5f, 0.5f, &e_new, e->v1, e->v2);
if (i != numcuts - 1) {
connect_smallest_face(bm, v_last, v, &f_new);
}
v_last = v;
}
connect_smallest_face(bm, v_last, verts[numcuts * 2 + 2], &f_new);
}
static BMVert *subdivide_edge_num(BMesh *bm,
BMEdge *edge,
BMEdge *e_orig,
int curpoint,
int totpoint,
const SubDParams *params,
BMVert *v_a,
BMVert *v_b,
BMEdge **r_edge)
{
BMVert *v_new;
float factor_edge_split, factor_subd;
if (BMO_edge_flag_test(bm, edge, EDGE_PERCENT) && totpoint == 1) {
factor_edge_split = BMO_slot_map_float_get(params->slot_edge_percents, edge);
factor_subd = 0.0f;
}
else {
factor_edge_split = 1.0f / (float)(totpoint + 1 - curpoint);
factor_subd = (float)(curpoint + 1) / (float)(totpoint + 1);
}
v_new = bm_subdivide_edge_addvert(
bm, edge, e_orig, params, factor_edge_split, factor_subd, v_a, v_b, r_edge);
return v_new;
}
static BMVert *subdivideedgenum(BMesh *bm, BMEdge *edge, BMEdge *oedge,
int curpoint, int totpoint, const SubDParams *params,
BMEdge **newe, BMVert *vsta, BMVert *vend)
{
BMVert *ev;
float percent, percent2 = 0.0f;
if (BMO_elem_flag_test(bm, edge, EDGE_PERCENT) && totpoint == 1) {
percent = BMO_slot_map_float_get(params->slot_edge_percents, edge);
}
else {
percent = 1.0f / (float)(totpoint + 1 - curpoint);
percent2 = (float)(curpoint + 1) / (float)(totpoint + 1);
}
ev = bm_subdivide_edge_addvert(bm, edge, oedge, params, percent,
percent2, newe, vsta, vend);
return ev;
}
