void mesh_foreachScreenEdge(
ViewContext *vc,
void (*func)(void *userData, BMEdge *eed, const float screen_co_a[2], const float screen_co_b[2], int index),
void *userData, eV3DProjTest clip_flag)
{
foreachScreenEdge_userData data;
DerivedMesh *dm = editbmesh_get_derived_cage(vc->scene, vc->obedit, vc->em, CD_MASK_BAREMESH);
ED_view3d_check_mats_rv3d(vc->rv3d);
data.vc = *vc;
data.win_rect.xmin = 0;
data.win_rect.ymin = 0;
data.win_rect.xmax = vc->ar->winx;
data.win_rect.ymax = vc->ar->winy;
data.func = func;
data.userData = userData;
data.clip_flag = clip_flag;
if (clip_flag & V3D_PROJ_TEST_CLIP_BB) {
ED_view3d_clipping_local(vc->rv3d, vc->obedit->obmat); /* for local clipping lookups */
}
BM_mesh_elem_table_ensure(vc->em->bm, BM_EDGE);
dm->foreachMappedEdge(dm, mesh_foreachScreenEdge__mapFunc, &data);
dm->release(dm);
}
void mesh_foreachScreenFace(
ViewContext *vc,
void (*func)(void *userData, BMFace *efa, const float screen_co_b[2], int index),
void *userData, const eV3DProjTest clip_flag)
{
foreachScreenFace_userData data;
DerivedMesh *dm = editbmesh_get_derived_cage(vc->scene, vc->obedit, vc->em, CD_MASK_BAREMESH);
ED_view3d_check_mats_rv3d(vc->rv3d);
data.vc = *vc;
data.func = func;
data.userData = userData;
data.clip_flag = clip_flag;
BM_mesh_elem_table_ensure(vc->em->bm, BM_FACE);
dm->foreachMappedFaceCenter(dm, mesh_foreachScreenFace__mapFunc, &data, DM_FOREACH_NOP);
dm->release(dm);
}
void bmo_recalc_face_normals_exec(BMesh *bm, BMOperator *op)
{
int *groups_array = MEM_mallocN(sizeof(*groups_array) * bm->totface, __func__);
BMFace **faces_grp = MEM_mallocN(sizeof(*faces_grp) * bm->totface, __func__);
int (*group_index)[2];
const int group_tot = BM_mesh_calc_face_groups(
bm, groups_array, &group_index,
bmo_recalc_normal_loop_filter_cb, NULL,
0, BM_EDGE);
int i;
BMO_slot_buffer_flag_enable(bm, op->slots_in, "faces", BM_FACE, FACE_FLAG);
BM_mesh_elem_table_ensure(bm, BM_FACE);
for (i = 0; i < group_tot; i++) {
const int fg_sta = group_index[i][0];
const int fg_len = group_index[i][1];
int j;
bool is_calc = false;
for (j = 0; j < fg_len; j++) {
faces_grp[j] = BM_face_at_index(bm, groups_array[fg_sta + j]);
if (is_calc == false) {
is_calc = BMO_face_flag_test_bool(bm, faces_grp[j], FACE_FLAG);
}
}
if (is_calc) {
bmo_recalc_face_normals_array(bm, faces_grp, fg_len, FACE_FLAG);
}
}
MEM_freeN(faces_grp);
MEM_freeN(groups_array);
MEM_freeN(group_index);
}
void mesh_foreachScreenVert(
ViewContext *vc,
void (*func)(void *userData, BMVert *eve, const float screen_co[2], int index),
void *userData, eV3DProjTest clip_flag)
{
foreachScreenVert_userData data;
DerivedMesh *dm = editbmesh_get_derived_cage(vc->scene, vc->obedit, vc->em, CD_MASK_BAREMESH);
ED_view3d_check_mats_rv3d(vc->rv3d);
data.vc = *vc;
data.func = func;
data.userData = userData;
data.clip_flag = clip_flag;
if (clip_flag & V3D_PROJ_TEST_CLIP_BB) {
ED_view3d_clipping_local(vc->rv3d, vc->obedit->obmat); /* for local clipping lookups */
}
BM_mesh_elem_table_ensure(vc->em->bm, BM_VERT);
dm->foreachMappedVert(dm, mesh_foreachScreenVert__mapFunc, &data, DM_FOREACH_NOP);
dm->release(dm);
}