void lattice_foreachScreenVert(
ViewContext *vc,
void (*func)(void *userData, BPoint *bp, const float screen_co[2]),
void *userData, const eV3DProjTest clip_flag)
{
Object *obedit = vc->obedit;
Lattice *lt = obedit->data;
BPoint *bp = lt->editlatt->latt->def;
DispList *dl = BKE_displist_find(&obedit->disp, DL_VERTS);
float *co = dl ? dl->verts : NULL;
int i, N = lt->editlatt->latt->pntsu * lt->editlatt->latt->pntsv * lt->editlatt->latt->pntsw;
ED_view3d_check_mats_rv3d(vc->rv3d);
if (clip_flag & V3D_PROJ_TEST_CLIP_BB) {
ED_view3d_clipping_local(vc->rv3d, obedit->obmat); /* for local clipping lookups */
}
for (i = 0; i < N; i++, bp++, co += 3) {
if (bp->hide == 0) {
float screen_co[2];
if (ED_view3d_project_float_object(vc->ar, dl ? co : bp->vec, screen_co, clip_flag) == V3D_PROJ_RET_OK) {
func(userData, bp, screen_co);
}
}
}
}
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 */
}
EDBM_index_arrays_ensure(vc->em, BM_EDGE);
dm->foreachMappedEdge(dm, mesh_foreachScreenEdge__mapFunc, &data);
dm->release(dm);
}
void meshobject_foreachScreenVert(
ViewContext *vc,
void (*func)(void *userData, MVert *eve, const float screen_co[2], int index),
void *userData, eV3DProjTest clip_flag)
{
foreachScreenObjectVert_userData data;
DerivedMesh *dm = mesh_get_derived_deform(vc->scene, vc->obact, CD_MASK_BAREMESH);
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 */
}
dm->foreachMappedVert(dm, meshobject_foreachScreenVert__mapFunc, &data);
dm->release(dm);
}
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 */
}
EDBM_index_arrays_ensure(vc->em, BM_VERT);
dm->foreachMappedVert(dm, mesh_foreachScreenVert__mapFunc, &data);
dm->release(dm);
}
void nurbs_foreachScreenVert(
ViewContext *vc,
void (*func)(void *userData, Nurb *nu, BPoint *bp, BezTriple *bezt, int beztindex, const float screen_co_b[2]),
void *userData, const eV3DProjTest clip_flag)
{
Curve *cu = vc->obedit->data;
Nurb *nu;
int i;
ListBase *nurbs = BKE_curve_editNurbs_get(cu);
ED_view3d_check_mats_rv3d(vc->rv3d);
if (clip_flag & V3D_PROJ_TEST_CLIP_BB) {
ED_view3d_clipping_local(vc->rv3d, vc->obedit->obmat); /* for local clipping lookups */
}
for (nu = nurbs->first; nu; nu = nu->next) {
if (nu->type == CU_BEZIER) {
for (i = 0; i < nu->pntsu; i++) {
BezTriple *bezt = &nu->bezt[i];
if (bezt->hide == 0) {
float screen_co[2];
if (cu->drawflag & CU_HIDE_HANDLES) {
if (ED_view3d_project_float_object(vc->ar, bezt->vec[1], screen_co,
V3D_PROJ_RET_CLIP_BB | V3D_PROJ_RET_CLIP_WIN) == V3D_PROJ_RET_OK)
{
func(userData, nu, NULL, bezt, 1, screen_co);
}
}
else {
if (ED_view3d_project_float_object(vc->ar, bezt->vec[0], screen_co,
V3D_PROJ_RET_CLIP_BB | V3D_PROJ_RET_CLIP_WIN) == V3D_PROJ_RET_OK)
{
func(userData, nu, NULL, bezt, 0, screen_co);
}
if (ED_view3d_project_float_object(vc->ar, bezt->vec[1], screen_co,
V3D_PROJ_RET_CLIP_BB | V3D_PROJ_RET_CLIP_WIN) == V3D_PROJ_RET_OK)
{
func(userData, nu, NULL, bezt, 1, screen_co);
}
if (ED_view3d_project_float_object(vc->ar, bezt->vec[2], screen_co,
V3D_PROJ_RET_CLIP_BB | V3D_PROJ_RET_CLIP_WIN) == V3D_PROJ_RET_OK)
{
func(userData, nu, NULL, bezt, 2, screen_co);
}
}
}
}
}
else {
for (i = 0; i < nu->pntsu * nu->pntsv; i++) {
BPoint *bp = &nu->bp[i];
if (bp->hide == 0) {
float screen_co[2];
if (ED_view3d_project_float_object(vc->ar, bp->vec, screen_co,
V3D_PROJ_RET_CLIP_BB | V3D_PROJ_RET_CLIP_WIN) == V3D_PROJ_RET_OK)
{
func(userData, nu, bp, NULL, -1, screen_co);
}
}
}
}
}
}
