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blender-archive/source/blender/editors/mesh/editmesh_select.c

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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2004 Blender Foundation.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/mesh/editmesh_select.c
* \ingroup edmesh
*/
#include "MEM_guardedalloc.h"
#include "BLI_bitmap.h"
#include "BLI_bitmap_draw_2d.h"
#include "BLI_listbase.h"
#include "BLI_linklist.h"
#include "BLI_linklist_stack.h"
#include "BLI_math.h"
#include "BLI_math_bits.h"
#include "BLI_rand.h"
#include "BLI_array.h"
#include "BKE_context.h"
#include "BKE_report.h"
#include "BKE_paint.h"
#include "BKE_editmesh.h"
#include "IMB_imbuf_types.h"
#include "IMB_imbuf.h"
#include "WM_api.h"
#include "WM_types.h"
#include "RNA_access.h"
#include "RNA_define.h"
#include "RNA_enum_types.h"
#include "ED_mesh.h"
#include "ED_screen.h"
#include "ED_view3d.h"
#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_object_types.h"
#include "UI_resources.h"
#include "bmesh_tools.h"
#include "mesh_intern.h" /* own include */
/* use bmesh operator flags for a few operators */
#define BMO_ELE_TAG 1
/* ****************************** MIRROR **************** */
void EDBM_select_mirrored(
BMEditMesh *em, const int axis, const bool extend,
int *r_totmirr, int *r_totfail)
{
Mesh *me = (Mesh *)em->ob->data;
BMesh *bm = em->bm;
BMIter iter;
int totmirr = 0;
int totfail = 0;
bool use_topology = (me && (me->editflag & ME_EDIT_MIRROR_TOPO));
*r_totmirr = *r_totfail = 0;
/* select -> tag */
if (bm->selectmode & SCE_SELECT_VERTEX) {
BMVert *v;
BM_ITER_MESH (v, &iter, bm, BM_VERTS_OF_MESH) {
BM_elem_flag_set(v, BM_ELEM_TAG, BM_elem_flag_test(v, BM_ELEM_SELECT));
}
}
else if (em->selectmode & SCE_SELECT_EDGE) {
BMEdge *e;
BM_ITER_MESH (e, &iter, bm, BM_EDGES_OF_MESH) {
BM_elem_flag_set(e, BM_ELEM_TAG, BM_elem_flag_test(e, BM_ELEM_SELECT));
}
}
else {
BMFace *f;
BM_ITER_MESH (f, &iter, bm, BM_FACES_OF_MESH) {
BM_elem_flag_set(f, BM_ELEM_TAG, BM_elem_flag_test(f, BM_ELEM_SELECT));
}
}
EDBM_verts_mirror_cache_begin(em, axis, true, true, use_topology);
if (!extend)
EDBM_flag_disable_all(em, BM_ELEM_SELECT);
if (bm->selectmode & SCE_SELECT_VERTEX) {
BMVert *v;
BM_ITER_MESH (v, &iter, bm, BM_VERTS_OF_MESH) {
if (!BM_elem_flag_test(v, BM_ELEM_HIDDEN) && BM_elem_flag_test(v, BM_ELEM_TAG)) {
BMVert *v_mirr = EDBM_verts_mirror_get(em, v);
if (v_mirr && !BM_elem_flag_test(v_mirr, BM_ELEM_HIDDEN)) {
BM_vert_select_set(bm, v_mirr, true);
totmirr++;
}
else {
totfail++;
}
}
}
}
else if (em->selectmode & SCE_SELECT_EDGE) {
BMEdge *e;
BM_ITER_MESH (e, &iter, bm, BM_EDGES_OF_MESH) {
if (!BM_elem_flag_test(e, BM_ELEM_HIDDEN) && BM_elem_flag_test(e, BM_ELEM_TAG)) {
BMEdge *e_mirr = EDBM_verts_mirror_get_edge(em, e);
if (e_mirr && !BM_elem_flag_test(e_mirr, BM_ELEM_HIDDEN)) {
BM_edge_select_set(bm, e_mirr, true);
totmirr++;
}
else {
totfail++;
}
}
}
}
else {
BMFace *f;
BM_ITER_MESH (f, &iter, bm, BM_FACES_OF_MESH) {
if (!BM_elem_flag_test(f, BM_ELEM_HIDDEN) && BM_elem_flag_test(f, BM_ELEM_TAG)) {
BMFace *f_mirr = EDBM_verts_mirror_get_face(em, f);
if (f_mirr && !BM_elem_flag_test(f_mirr, BM_ELEM_HIDDEN)) {
BM_face_select_set(bm, f_mirr, true);
totmirr++;
}
else {
totfail++;
}
}
}
}
EDBM_verts_mirror_cache_end(em);
*r_totmirr = totmirr;
*r_totfail = totfail;
}
void EDBM_automerge(Scene *scene, Object *obedit, bool update, const char hflag)
{
bool ok;
BMEditMesh *em = BKE_editmesh_from_object(obedit);
ok = BMO_op_callf(em->bm, BMO_FLAG_DEFAULTS,
"automerge verts=%hv dist=%f",
hflag, scene->toolsettings->doublimit);
if (LIKELY(ok) && update) {
EDBM_update_generic(em, true, true);
}
}
/* ****************************** SELECTION ROUTINES **************** */
unsigned int bm_solidoffs = 0, bm_wireoffs = 0, bm_vertoffs = 0; /* set in drawobject.c ... for colorindices */
/* facilities for border select and circle select */
static BLI_bitmap *selbuf = NULL;
static BLI_bitmap *edbm_backbuf_alloc(const int size)
{
return BLI_BITMAP_NEW(size, "selbuf");
}
/* reads rect, and builds selection array for quick lookup */
/* returns if all is OK */
bool EDBM_backbuf_border_init(ViewContext *vc, short xmin, short ymin, short xmax, short ymax)
{
struct ImBuf *buf;
unsigned int *dr;
int a;
if (vc->obedit == NULL || !V3D_IS_ZBUF(vc->v3d)) {
return false;
}
buf = ED_view3d_backbuf_read(vc, xmin, ymin, xmax, ymax);
if ((buf == NULL) || (bm_vertoffs == 0)) {
return false;
}
dr = buf->rect;
/* build selection lookup */
selbuf = edbm_backbuf_alloc(bm_vertoffs + 1);
a = (xmax - xmin + 1) * (ymax - ymin + 1);
while (a--) {
if (*dr > 0 && *dr <= bm_vertoffs) {
BLI_BITMAP_ENABLE(selbuf, *dr);
}
dr++;
}
IMB_freeImBuf(buf);
return true;
}
bool EDBM_backbuf_check(unsigned int index)
{
/* odd logic, if selbuf is NULL we assume no zbuf-selection is enabled
* and just ignore the depth buffer, this is error prone since its possible
* code doesn't set the depth buffer by accident, but leave for now. - Campbell */
if (selbuf == NULL)
return true;
if (index > 0 && index <= bm_vertoffs)
return BLI_BITMAP_TEST_BOOL(selbuf, index);
return false;
}
void EDBM_backbuf_free(void)
{
if (selbuf) MEM_freeN(selbuf);
selbuf = NULL;
}
struct LassoMaskData {
unsigned int *px;
int width;
};
static void edbm_mask_lasso_px_cb(int x, int x_end, int y, void *user_data)
{
struct LassoMaskData *data = user_data;
unsigned int *px = &data->px[(y * data->width) + x];
do {
*px = true;
px++;
} while (++x != x_end);
}
/* mcords is a polygon mask
* - grab backbuffer,
* - draw with black in backbuffer,
* - grab again and compare
* returns 'OK'
*/
bool EDBM_backbuf_border_mask_init(ViewContext *vc, const int mcords[][2], short tot, short xmin, short ymin, short xmax, short ymax)
{
unsigned int *dr, *dr_mask, *dr_mask_arr;
struct ImBuf *buf;
int a;
struct LassoMaskData lasso_mask_data;
/* method in use for face selecting too */
if (vc->obedit == NULL) {
if (!BKE_paint_select_elem_test(vc->obact)) {
return false;
}
}
else if (!V3D_IS_ZBUF(vc->v3d)) {
return false;
}
buf = ED_view3d_backbuf_read(vc, xmin, ymin, xmax, ymax);
if ((buf == NULL) || (bm_vertoffs == 0)) {
return false;
}
dr = buf->rect;
dr_mask = dr_mask_arr = MEM_callocN(sizeof(*dr_mask) * buf->x * buf->y, __func__);
lasso_mask_data.px = dr_mask;
lasso_mask_data.width = (xmax - xmin) + 1;
BLI_bitmap_draw_2d_poly_v2i_n(
xmin, ymin, xmax + 1, ymax + 1,
mcords, tot,
edbm_mask_lasso_px_cb, &lasso_mask_data);
/* build selection lookup */
selbuf = edbm_backbuf_alloc(bm_vertoffs + 1);
a = (xmax - xmin + 1) * (ymax - ymin + 1);
while (a--) {
if (*dr > 0 && *dr <= bm_vertoffs && *dr_mask == true) {
BLI_BITMAP_ENABLE(selbuf, *dr);
}
dr++; dr_mask++;
}
IMB_freeImBuf(buf);
MEM_freeN(dr_mask_arr);
return true;
}
/* circle shaped sample area */
bool EDBM_backbuf_circle_init(ViewContext *vc, short xs, short ys, short rads)
{
struct ImBuf *buf;
unsigned int *dr;
short xmin, ymin, xmax, ymax, xc, yc;
int radsq;
/* method in use for face selecting too */
if (vc->obedit == NULL) {
if (!BKE_paint_select_elem_test(vc->obact)) {
return false;
}
}
else if (!V3D_IS_ZBUF(vc->v3d)) {
return false;
}
xmin = xs - rads; xmax = xs + rads;
ymin = ys - rads; ymax = ys + rads;
buf = ED_view3d_backbuf_read(vc, xmin, ymin, xmax, ymax);
if ((buf == NULL) || (bm_vertoffs == 0)) {
return false;
}
dr = buf->rect;
/* build selection lookup */
selbuf = edbm_backbuf_alloc(bm_vertoffs + 1);
radsq = rads * rads;
for (yc = -rads; yc <= rads; yc++) {
for (xc = -rads; xc <= rads; xc++, dr++) {
if (xc * xc + yc * yc < radsq) {
if (*dr > 0 && *dr <= bm_vertoffs) {
BLI_BITMAP_ENABLE(selbuf, *dr);
}
}
}
}
IMB_freeImBuf(buf);
return true;
}
/* -------------------------------------------------------------------- */
/** \name Find Nearest Vert/Edge/Face
*
* \note Screen-space manhatten distances are used here,
* since its faster and good enough for the purpose of selection.
*
* \note \a dist_bias is used so we can bias against selected items.
* when choosing between elements of a single type, but return the real distance
* to avoid the bias interfering with distance comparisons when mixing types.
* \{ */
#define FIND_NEAR_SELECT_BIAS 5
#define FIND_NEAR_CYCLE_THRESHOLD_MIN 3
struct NearestVertUserData_Hit {
float dist;
float dist_bias;
int index;
BMVert *vert;
};
struct NearestVertUserData {
float mval_fl[2];
bool use_select_bias;
bool use_cycle;
int cycle_index_prev;
struct NearestVertUserData_Hit hit;
struct NearestVertUserData_Hit hit_cycle;
};
static void findnearestvert__doClosest(void *userData, BMVert *eve, const float screen_co[2], int index)
{
struct NearestVertUserData *data = userData;
float dist_test, dist_test_bias;
dist_test = dist_test_bias = len_manhattan_v2v2(data->mval_fl, screen_co);
if (data->use_select_bias && BM_elem_flag_test(eve, BM_ELEM_SELECT)) {
dist_test_bias += FIND_NEAR_SELECT_BIAS;
}
if (dist_test_bias < data->hit.dist_bias) {
data->hit.dist_bias = dist_test_bias;
data->hit.dist = dist_test;
data->hit.index = index;
data->hit.vert = eve;
}
if (data->use_cycle) {
if ((data->hit_cycle.vert == NULL) &&
(index > data->cycle_index_prev) &&
(dist_test_bias < FIND_NEAR_CYCLE_THRESHOLD_MIN))
{
data->hit_cycle.dist_bias = dist_test_bias;
data->hit_cycle.dist = dist_test;
data->hit_cycle.index = index;
data->hit_cycle.vert = eve;
}
}
}
/**
* Nearest vertex under the cursor.
*
* \param r_dist (in/out), minimal distance to the nearest and at the end, actual distance
* \param use_select_bias
* - When true, selected vertice are given a 5 pixel bias to make them further than unselect verts.
* - When false, unselected vertice are given the bias.
* \param use_cycle Cycle over elements within #FIND_NEAR_CYCLE_THRESHOLD_MIN in order of index.
*/
BMVert *EDBM_vert_find_nearest_ex(
ViewContext *vc, float *r_dist,
const bool use_select_bias, bool use_cycle)
{
BMesh *bm = vc->em->bm;
if (V3D_IS_ZBUF(vc->v3d)) {
const int dist_px = ED_view3d_backbuf_sample_size_clamp(vc->ar, *r_dist);
float dist_test;
unsigned int index;
BMVert *eve;
index = ED_view3d_backbuf_sample_rect(
vc, vc->mval, dist_px, bm_wireoffs, 0xFFFFFF, &dist_test);
eve = index ? BM_vert_at_index_find_or_table(bm, index - 1) : NULL;
if (eve) {
if (dist_test < *r_dist) {
*r_dist = dist_test;
return eve;
}
}
return NULL;
}
else {
struct NearestVertUserData data = {{0}};
const struct NearestVertUserData_Hit *hit;
const eV3DProjTest clip_flag = V3D_PROJ_TEST_CLIP_DEFAULT;
static int prev_select_index = 0;
static const BMVert *prev_select_elem = NULL;
if ((use_cycle == false) ||
(prev_select_elem && (prev_select_elem != BM_vert_at_index_find_or_table(bm, prev_select_index))))
{
prev_select_index = 0;
prev_select_elem = NULL;
}
data.mval_fl[0] = vc->mval[0];
data.mval_fl[1] = vc->mval[1];
data.use_select_bias = use_select_bias;
data.use_cycle = use_cycle;
data.hit.dist = data.hit_cycle.dist = \
data.hit.dist_bias = data.hit_cycle.dist_bias = *r_dist;
data.cycle_index_prev = prev_select_index;
ED_view3d_init_mats_rv3d(vc->obedit, vc->rv3d);
mesh_foreachScreenVert(vc, findnearestvert__doClosest, &data, clip_flag);
hit = (data.use_cycle && data.hit_cycle.vert) ? &data.hit_cycle : &data.hit;
*r_dist = hit->dist;
prev_select_elem = hit->vert;
prev_select_index = hit->index;
return hit->vert;
}
}
BMVert *EDBM_vert_find_nearest(ViewContext *vc, float *r_dist)
{
return EDBM_vert_find_nearest_ex(vc, r_dist, false, false);
}
/* find the distance to the edge we already have */
struct NearestEdgeUserData_ZBuf {
float mval_fl[2];
float dist;
const BMEdge *edge_test;
};
static void find_nearest_edge_center__doZBuf(
void *userData, BMEdge *eed,
const float screen_co_a[2], const float screen_co_b[2],
int UNUSED(index))
{
struct NearestEdgeUserData_ZBuf *data = userData;
if (eed == data->edge_test) {
float dist_test;
float screen_co_mid[2];
mid_v2_v2v2(screen_co_mid, screen_co_a, screen_co_b);
dist_test = len_manhattan_v2v2(data->mval_fl, screen_co_mid);
if (dist_test < data->dist) {
data->dist = dist_test;
}
}
}
struct NearestEdgeUserData_Hit {
float dist;
float dist_bias;
int index;
BMEdge *edge;
/* edges only, un-biased manhatten distance to which ever edge we pick
* (not used for choosing) */
float dist_center;
};
struct NearestEdgeUserData {
ViewContext vc;
float mval_fl[2];
bool use_select_bias;
bool use_cycle;
int cycle_index_prev;
struct NearestEdgeUserData_Hit hit;
struct NearestEdgeUserData_Hit hit_cycle;
};
/* note; uses v3d, so needs active 3d window */
static void find_nearest_edge__doClosest(
void *userData, BMEdge *eed,
const float screen_co_a[2], const float screen_co_b[2],
int index)
{
struct NearestEdgeUserData *data = userData;
float dist_test, dist_test_bias;
float fac = line_point_factor_v2(data->mval_fl, screen_co_a, screen_co_b);
float screen_co[2];
if (fac <= 0.0f) {
fac = 0.0f;
copy_v2_v2(screen_co, screen_co_a);
}
else if (fac >= 1.0f) {
fac = 1.0f;
copy_v2_v2(screen_co, screen_co_b);
}
else {
interp_v2_v2v2(screen_co, screen_co_a, screen_co_b, fac);
}
dist_test = dist_test_bias = len_manhattan_v2v2(data->mval_fl, screen_co);
if (data->use_select_bias && BM_elem_flag_test(eed, BM_ELEM_SELECT)) {
dist_test_bias += FIND_NEAR_SELECT_BIAS;
}
if (data->vc.rv3d->rflag & RV3D_CLIPPING) {
float vec[3];
interp_v3_v3v3(vec, eed->v1->co, eed->v2->co, fac);
if (ED_view3d_clipping_test(data->vc.rv3d, vec, true)) {
return;
}
}
if (dist_test_bias < data->hit.dist_bias) {
float screen_co_mid[2];
data->hit.dist_bias = dist_test_bias;
data->hit.dist = dist_test;
data->hit.index = index;
data->hit.edge = eed;
mid_v2_v2v2(screen_co_mid, screen_co_a, screen_co_b);
data->hit.dist_center = len_manhattan_v2v2(data->mval_fl, screen_co_mid);
}
if (data->use_cycle) {
if ((data->hit_cycle.edge == NULL) &&
(index > data->cycle_index_prev) &&
(dist_test_bias < FIND_NEAR_CYCLE_THRESHOLD_MIN))
{
float screen_co_mid[2];
data->hit_cycle.dist_bias = dist_test_bias;
data->hit_cycle.dist = dist_test;
data->hit_cycle.index = index;
data->hit_cycle.edge = eed;
mid_v2_v2v2(screen_co_mid, screen_co_a, screen_co_b);
data->hit_cycle.dist_center = len_manhattan_v2v2(data->mval_fl, screen_co_mid);
}
}
}
BMEdge *EDBM_edge_find_nearest_ex(
ViewContext *vc, float *r_dist,
float *r_dist_center,
const bool use_select_bias, const bool use_cycle,
BMEdge **r_eed_zbuf)
{
BMesh *bm = vc->em->bm;
if (V3D_IS_ZBUF(vc->v3d)) {
const int dist_px = ED_view3d_backbuf_sample_size_clamp(vc->ar, *r_dist);
float dist_test = 0.0f;
unsigned int index;
BMEdge *eed;
ED_view3d_backbuf_validate(vc);
index = ED_view3d_backbuf_sample_rect(vc, vc->mval, dist_px, bm_solidoffs, bm_wireoffs, &dist_test);
eed = index ? BM_edge_at_index_find_or_table(bm, index - 1) : NULL;
if (r_eed_zbuf) {
*r_eed_zbuf = eed;
}
/* exception for faces (verts don't need this) */
if (r_dist_center && eed) {
struct NearestEdgeUserData_ZBuf data;
data.mval_fl[0] = vc->mval[0];
data.mval_fl[1] = vc->mval[1];
data.dist = FLT_MAX;
data.edge_test = eed;
ED_view3d_init_mats_rv3d(vc->obedit, vc->rv3d);
mesh_foreachScreenEdge(vc, find_nearest_edge_center__doZBuf, &data, V3D_PROJ_TEST_CLIP_DEFAULT);
*r_dist_center = data.dist;
}
/* end exception */
if (eed) {
if (dist_test < *r_dist) {
*r_dist = dist_test;
return eed;
}
}
return NULL;
}
else {
struct NearestEdgeUserData data = {{0}};
const struct NearestEdgeUserData_Hit *hit;
/* interpolate along the edge before doing a clipping plane test */
const eV3DProjTest clip_flag = V3D_PROJ_TEST_CLIP_DEFAULT & ~V3D_PROJ_TEST_CLIP_BB;
static int prev_select_index = 0;
static const BMEdge *prev_select_elem = NULL;
if ((use_cycle == false) ||
(prev_select_elem && (prev_select_elem != BM_edge_at_index_find_or_table(bm, prev_select_index))))
{
prev_select_index = 0;
prev_select_elem = NULL;
}
data.vc = *vc;
data.mval_fl[0] = vc->mval[0];
data.mval_fl[1] = vc->mval[1];
data.use_select_bias = use_select_bias;
data.use_cycle = use_cycle;
data.hit.dist = data.hit_cycle.dist = \
data.hit.dist_bias = data.hit_cycle.dist_bias = *r_dist;
data.cycle_index_prev = prev_select_index;
ED_view3d_init_mats_rv3d(vc->obedit, vc->rv3d);
mesh_foreachScreenEdge(vc, find_nearest_edge__doClosest, &data, clip_flag);
hit = (data.use_cycle && data.hit_cycle.edge) ? &data.hit_cycle : &data.hit;
*r_dist = hit->dist;
if (r_dist_center) {
*r_dist_center = hit->dist_center;
}
prev_select_elem = hit->edge;
prev_select_index = hit->index;
return hit->edge;
}
}
BMEdge *EDBM_edge_find_nearest(
ViewContext *vc, float *r_dist)
{
return EDBM_edge_find_nearest_ex(vc, r_dist, NULL, false, false, NULL);
}
/* find the distance to the face we already have */
struct NearestFaceUserData_ZBuf {
float mval_fl[2];
float dist;
const BMFace *face_test;
};
static void find_nearest_face_center__doZBuf(void *userData, BMFace *efa, const float screen_co[2], int UNUSED(index))
{
struct NearestFaceUserData_ZBuf *data = userData;
if (efa == data->face_test) {
const float dist_test = len_manhattan_v2v2(data->mval_fl, screen_co);
if (dist_test < data->dist) {
data->dist = dist_test;
}
}
}
struct NearestFaceUserData_Hit {
float dist;
float dist_bias;
int index;
BMFace *face;
};
struct NearestFaceUserData {
float mval_fl[2];
bool use_select_bias;
bool use_cycle;
int cycle_index_prev;
struct NearestFaceUserData_Hit hit;
struct NearestFaceUserData_Hit hit_cycle;
};
static void findnearestface__doClosest(void *userData, BMFace *efa, const float screen_co[2], int index)
{
struct NearestFaceUserData *data = userData;
float dist_test, dist_test_bias;
dist_test = dist_test_bias = len_manhattan_v2v2(data->mval_fl, screen_co);
if (data->use_select_bias && BM_elem_flag_test(efa, BM_ELEM_SELECT)) {
dist_test_bias += FIND_NEAR_SELECT_BIAS;
}
if (dist_test_bias < data->hit.dist_bias) {
data->hit.dist_bias = dist_test_bias;
data->hit.dist = dist_test;
data->hit.index = index;
data->hit.face = efa;
}
if (data->use_cycle) {
if ((data->hit_cycle.face == NULL) &&
(index > data->cycle_index_prev) &&
(dist_test_bias < FIND_NEAR_CYCLE_THRESHOLD_MIN))
{
data->hit_cycle.dist_bias = dist_test_bias;
data->hit_cycle.dist = dist_test;
data->hit_cycle.index = index;
data->hit_cycle.face = efa;
}
}
}
BMFace *EDBM_face_find_nearest_ex(
ViewContext *vc, float *r_dist,
float *r_dist_center,
const bool use_select_bias, const bool use_cycle,
BMFace **r_efa_zbuf)
{
BMesh *bm = vc->em->bm;
if (V3D_IS_ZBUF(vc->v3d)) {
float dist_test = 0.0f;
unsigned int index;
BMFace *efa;
ED_view3d_backbuf_validate(vc);
index = ED_view3d_backbuf_sample(vc, vc->mval[0], vc->mval[1]);
efa = index ? BM_face_at_index_find_or_table(bm, index - 1) : NULL;
if (r_efa_zbuf) {
*r_efa_zbuf = efa;
}
/* exception for faces (verts don't need this) */
if (r_dist_center && efa) {
struct NearestFaceUserData_ZBuf data;
data.mval_fl[0] = vc->mval[0];
data.mval_fl[1] = vc->mval[1];
data.dist = FLT_MAX;
data.face_test = efa;
ED_view3d_init_mats_rv3d(vc->obedit, vc->rv3d);
mesh_foreachScreenFace(vc, find_nearest_face_center__doZBuf, &data, V3D_PROJ_TEST_CLIP_DEFAULT);
*r_dist_center = data.dist;
}
/* end exception */
if (efa) {
if (dist_test < *r_dist) {
*r_dist = dist_test;
return efa;
}
}
return NULL;
}
else {
struct NearestFaceUserData data = {{0}};
const struct NearestFaceUserData_Hit *hit;
const eV3DProjTest clip_flag = V3D_PROJ_TEST_CLIP_DEFAULT;
static int prev_select_index = 0;
static const BMFace *prev_select_elem = NULL;
if ((use_cycle == false) ||
(prev_select_elem && (prev_select_elem != BM_face_at_index_find_or_table(bm, prev_select_index))))
{
prev_select_index = 0;
prev_select_elem = NULL;
}
data.mval_fl[0] = vc->mval[0];
data.mval_fl[1] = vc->mval[1];
data.use_select_bias = use_select_bias;
data.use_cycle = use_cycle;
data.hit.dist = data.hit_cycle.dist = \
data.hit.dist_bias = data.hit_cycle.dist_bias = *r_dist;
data.cycle_index_prev = prev_select_index;
ED_view3d_init_mats_rv3d(vc->obedit, vc->rv3d);
mesh_foreachScreenFace(vc, findnearestface__doClosest, &data, clip_flag);
hit = (data.use_cycle && data.hit_cycle.face) ? &data.hit_cycle : &data.hit;
*r_dist = hit->dist;
if (r_dist_center) {
*r_dist_center = hit->dist;
}
prev_select_elem = hit->face;
prev_select_index = hit->index;
return hit->face;
}
}
BMFace *EDBM_face_find_nearest(ViewContext *vc, float *r_dist)
{
return EDBM_face_find_nearest_ex(vc, r_dist, NULL, false, false, NULL);
}
#undef FIND_NEAR_SELECT_BIAS
#undef FIND_NEAR_CYCLE_THRESHOLD_MIN
/* best distance based on screen coords.
* use em->selectmode to define how to use
* selected vertices and edges get disadvantage
* return 1 if found one
*/
static int unified_findnearest(ViewContext *vc, BMVert **r_eve, BMEdge **r_eed, BMFace **r_efa)
{
BMEditMesh *em = vc->em;
static short mval_prev[2] = {-1, -1};
/* only cycle while the mouse remains still */
const bool use_cycle = ((mval_prev[0] == vc->mval[0]) && (mval_prev[1] == vc->mval[1]));
const float dist_init = ED_view3d_select_dist_px();
/* since edges select lines, we give dots advantage of ~20 pix */
const float dist_margin = (dist_init / 2);
float dist = dist_init;
BMFace *efa_zbuf = NULL;
BMEdge *eed_zbuf = NULL;
BMVert *eve = NULL;
BMEdge *eed = NULL;
BMFace *efa = NULL;
/* no afterqueue (yet), so we check it now, otherwise the em_xxxofs indices are bad */
ED_view3d_backbuf_validate(vc);
if ((dist > 0.0f) && em->selectmode & SCE_SELECT_FACE) {
float dist_center = 0.0f;
float *dist_center_p = (em->selectmode & (SCE_SELECT_EDGE | SCE_SELECT_VERTEX)) ? &dist_center : NULL;
efa = EDBM_face_find_nearest_ex(vc, &dist, dist_center_p, true, use_cycle, &efa_zbuf);
if (efa && dist_center_p) {
dist = min_ff(dist_margin, dist_center);
}
}
if ((dist > 0.0f) && (em->selectmode & SCE_SELECT_EDGE)) {
float dist_center = 0.0f;
float *dist_center_p = (em->selectmode & SCE_SELECT_VERTEX) ? &dist_center : NULL;
eed = EDBM_edge_find_nearest_ex(vc, &dist, dist_center_p, true, use_cycle, &eed_zbuf);
if (eed && dist_center_p) {
dist = min_ff(dist_margin, dist_center);
}
}
if ((dist > 0.0f) && em->selectmode & SCE_SELECT_VERTEX) {
eve = EDBM_vert_find_nearest_ex(vc, &dist, true, use_cycle);
}
/* return only one of 3 pointers, for frontbuffer redraws */
if (eve) {
efa = NULL; eed = NULL;
}
else if (eed) {
efa = NULL;
}
/* there may be a face under the cursor, who's center if too far away
* use this if all else fails, it makes sense to select this */
if ((eve || eed || efa) == 0) {
if (eed_zbuf) {
eed = eed_zbuf;
}
else if (efa_zbuf) {
efa = efa_zbuf;
}
}
mval_prev[0] = vc->mval[0];
mval_prev[1] = vc->mval[1];
*r_eve = eve;
*r_eed = eed;
*r_efa = efa;
return (eve || eed || efa);
}
/** \} */
/* **************** SIMILAR "group" SELECTS. FACE, EDGE AND VERTEX ************** */
static EnumPropertyItem prop_similar_compare_types[] = {
{SIM_CMP_EQ, "EQUAL", 0, "Equal", ""},
{SIM_CMP_GT, "GREATER", 0, "Greater", ""},
{SIM_CMP_LT, "LESS", 0, "Less", ""},
{0, NULL, 0, NULL, NULL}
};
static EnumPropertyItem prop_similar_types[] = {
{SIMVERT_NORMAL, "NORMAL", 0, "Normal", ""},
{SIMVERT_FACE, "FACE", 0, "Amount of Adjacent Faces", ""},
{SIMVERT_VGROUP, "VGROUP", 0, "Vertex Groups", ""},
{SIMVERT_EDGE, "EDGE", 0, "Amount of connecting edges", ""},
{SIMEDGE_LENGTH, "LENGTH", 0, "Length", ""},
{SIMEDGE_DIR, "DIR", 0, "Direction", ""},
{SIMEDGE_FACE, "FACE", 0, "Amount of Faces Around an Edge", ""},
{SIMEDGE_FACE_ANGLE, "FACE_ANGLE", 0, "Face Angles", ""},
{SIMEDGE_CREASE, "CREASE", 0, "Crease", ""},
{SIMEDGE_BEVEL, "BEVEL", 0, "Bevel", ""},
{SIMEDGE_SEAM, "SEAM", 0, "Seam", ""},
{SIMEDGE_SHARP, "SHARP", 0, "Sharpness", ""},
#ifdef WITH_FREESTYLE
{SIMEDGE_FREESTYLE, "FREESTYLE_EDGE", 0, "Freestyle Edge Marks", ""},
#endif
{SIMFACE_MATERIAL, "MATERIAL", 0, "Material", ""},
{SIMFACE_IMAGE, "IMAGE", 0, "Image", ""},
{SIMFACE_AREA, "AREA", 0, "Area", ""},
{SIMFACE_SIDES, "SIDES", 0, "Polygon Sides", ""},
{SIMFACE_PERIMETER, "PERIMETER", 0, "Perimeter", ""},
{SIMFACE_NORMAL, "NORMAL", 0, "Normal", ""},
{SIMFACE_COPLANAR, "COPLANAR", 0, "Co-planar", ""},
{SIMFACE_SMOOTH, "SMOOTH", 0, "Flat/Smooth", ""},
#ifdef WITH_FREESTYLE
{SIMFACE_FREESTYLE, "FREESTYLE_FACE", 0, "Freestyle Face Marks", ""},
#endif
{0, NULL, 0, NULL, NULL}
};
/* selects new faces/edges/verts based on the existing selection */
static int similar_face_select_exec(bContext *C, wmOperator *op)
{
Object *ob = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(ob);
BMOperator bmop;
/* get the type from RNA */
const int type = RNA_enum_get(op->ptr, "type");
const float thresh = RNA_float_get(op->ptr, "threshold");
const int compare = RNA_enum_get(op->ptr, "compare");
/* initialize the bmop using EDBM api, which does various ui error reporting and other stuff */
EDBM_op_init(em, &bmop, op,
"similar_faces faces=%hf type=%i thresh=%f compare=%i",
BM_ELEM_SELECT, type, thresh, compare);
/* execute the operator */
BMO_op_exec(em->bm, &bmop);
/* clear the existing selection */
EDBM_flag_disable_all(em, BM_ELEM_SELECT);
/* select the output */
BMO_slot_buffer_hflag_enable(em->bm, bmop.slots_out, "faces.out", BM_FACE, BM_ELEM_SELECT, true);
/* finish the operator */
if (!EDBM_op_finish(em, &bmop, op, true)) {
return OPERATOR_CANCELLED;
}
EDBM_update_generic(em, false, false);
return OPERATOR_FINISHED;
}
/* ***************************************************** */
/* EDGE GROUP */
/* wrap the above function but do selection flushing edge to face */
static int similar_edge_select_exec(bContext *C, wmOperator *op)
{
Object *ob = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(ob);
BMOperator bmop;
/* get the type from RNA */
const int type = RNA_enum_get(op->ptr, "type");
const float thresh = RNA_float_get(op->ptr, "threshold");
const int compare = RNA_enum_get(op->ptr, "compare");
/* initialize the bmop using EDBM api, which does various ui error reporting and other stuff */
EDBM_op_init(em, &bmop, op,
"similar_edges edges=%he type=%i thresh=%f compare=%i",
BM_ELEM_SELECT, type, thresh, compare);
/* execute the operator */
BMO_op_exec(em->bm, &bmop);
/* clear the existing selection */
EDBM_flag_disable_all(em, BM_ELEM_SELECT);
/* select the output */
BMO_slot_buffer_hflag_enable(em->bm, bmop.slots_out, "edges.out", BM_EDGE, BM_ELEM_SELECT, true);
EDBM_selectmode_flush(em);
/* finish the operator */
if (!EDBM_op_finish(em, &bmop, op, true)) {
return OPERATOR_CANCELLED;
}
EDBM_update_generic(em, false, false);
return OPERATOR_FINISHED;
}
/* ********************************* */
/*
* VERT GROUP
* mode 1: same normal
* mode 2: same number of face users
* mode 3: same vertex groups
*/
static int similar_vert_select_exec(bContext *C, wmOperator *op)
{
Object *ob = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(ob);
BMOperator bmop;
/* get the type from RNA */
const int type = RNA_enum_get(op->ptr, "type");
const float thresh = RNA_float_get(op->ptr, "threshold");
const int compare = RNA_enum_get(op->ptr, "compare");
/* initialize the bmop using EDBM api, which does various ui error reporting and other stuff */
EDBM_op_init(em, &bmop, op,
"similar_verts verts=%hv type=%i thresh=%f compare=%i",
BM_ELEM_SELECT, type, thresh, compare);
/* execute the operator */
BMO_op_exec(em->bm, &bmop);
/* clear the existing selection */
EDBM_flag_disable_all(em, BM_ELEM_SELECT);
/* select the output */
BMO_slot_buffer_hflag_enable(em->bm, bmop.slots_out, "verts.out", BM_VERT, BM_ELEM_SELECT, true);
/* finish the operator */
if (!EDBM_op_finish(em, &bmop, op, true)) {
return OPERATOR_CANCELLED;
}
EDBM_selectmode_flush(em);
EDBM_update_generic(em, false, false);
return OPERATOR_FINISHED;
}
static int edbm_select_similar_exec(bContext *C, wmOperator *op)
{
ToolSettings *ts = CTX_data_tool_settings(C);
PropertyRNA *prop = RNA_struct_find_property(op->ptr, "threshold");
const int type = RNA_enum_get(op->ptr, "type");
if (!RNA_property_is_set(op->ptr, prop)) {
RNA_property_float_set(op->ptr, prop, ts->select_thresh);
}
else {
ts->select_thresh = RNA_property_float_get(op->ptr, prop);
}
if (type < 100) return similar_vert_select_exec(C, op);
else if (type < 200) return similar_edge_select_exec(C, op);
else return similar_face_select_exec(C, op);
}
static EnumPropertyItem *select_similar_type_itemf(bContext *C, PointerRNA *UNUSED(ptr), PropertyRNA *UNUSED(prop),
bool *r_free)
{
Object *obedit;
if (!C) /* needed for docs and i18n tools */
return prop_similar_types;
obedit = CTX_data_edit_object(C);
if (obedit && obedit->type == OB_MESH) {
EnumPropertyItem *item = NULL;
int a, totitem = 0;
BMEditMesh *em = BKE_editmesh_from_object(obedit);
if (em->selectmode & SCE_SELECT_VERTEX) {
for (a = SIMVERT_NORMAL; a < SIMEDGE_LENGTH; a++) {
RNA_enum_items_add_value(&item, &totitem, prop_similar_types, a);
}
}
else if (em->selectmode & SCE_SELECT_EDGE) {
for (a = SIMEDGE_LENGTH; a < SIMFACE_MATERIAL; a++) {
RNA_enum_items_add_value(&item, &totitem, prop_similar_types, a);
}
}
else if (em->selectmode & SCE_SELECT_FACE) {
#ifdef WITH_FREESTYLE
const int a_end = SIMFACE_FREESTYLE;
#else
const int a_end = SIMFACE_SMOOTH;
#endif
for (a = SIMFACE_MATERIAL; a <= a_end; a++) {
RNA_enum_items_add_value(&item, &totitem, prop_similar_types, a);
}
}
RNA_enum_item_end(&item, &totitem);
*r_free = true;
return item;
}
return prop_similar_types;
}
void MESH_OT_select_similar(wmOperatorType *ot)
{
PropertyRNA *prop;
/* identifiers */
ot->name = "Select Similar";
ot->idname = "MESH_OT_select_similar";
ot->description = "Select similar vertices, edges or faces by property types";
/* api callbacks */
ot->invoke = WM_menu_invoke;
ot->exec = edbm_select_similar_exec;
ot->poll = ED_operator_editmesh;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* properties */
prop = ot->prop = RNA_def_enum(ot->srna, "type", prop_similar_types, SIMVERT_NORMAL, "Type", "");
RNA_def_enum_funcs(prop, select_similar_type_itemf);
RNA_def_enum(ot->srna, "compare", prop_similar_compare_types, SIM_CMP_EQ, "Compare", "");
RNA_def_float(ot->srna, "threshold", 0.0f, 0.0f, 1.0f, "Threshold", "", 0.0f, 1.0f);
}
/* -------------------------------------------------------------------- */
/* Select Similar Regions */
static int edbm_select_similar_region_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
BMesh *bm = em->bm;
bool changed = false;
/* group vars */
int *groups_array;
int (*group_index)[2];
int group_tot;
int i;
if (bm->totfacesel < 2) {
BKE_report(op->reports, RPT_ERROR, "No face regions selected");
return OPERATOR_CANCELLED;
}
groups_array = MEM_mallocN(sizeof(*groups_array) * bm->totfacesel, __func__);
group_tot = BM_mesh_calc_face_groups(bm, groups_array, &group_index,
NULL, NULL,
BM_ELEM_SELECT, BM_VERT);
BM_mesh_elem_table_ensure(bm, BM_FACE);
for (i = 0; i < group_tot; i++) {
ListBase faces_regions;
int tot;
const int fg_sta = group_index[i][0];
const int fg_len = group_index[i][1];
int j;
BMFace **fg = MEM_mallocN(sizeof(*fg) * fg_len, __func__);
for (j = 0; j < fg_len; j++) {
fg[j] = BM_face_at_index(bm, groups_array[fg_sta + j]);
}
tot = BM_mesh_region_match(bm, fg, fg_len, &faces_regions);
MEM_freeN(fg);
if (tot) {
LinkData *link;
while ((link = BLI_pophead(&faces_regions))) {
BMFace *f, **faces = link->data;
while ((f = *(faces++))) {
BM_face_select_set(bm, f, true);
}
MEM_freeN(link->data);
MEM_freeN(link);
changed = true;
}
}
}
MEM_freeN(groups_array);
MEM_freeN(group_index);
if (changed) {
WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit);
}
else {
BKE_report(op->reports, RPT_WARNING, "No matching face regions found");
}
return OPERATOR_FINISHED;
}
void MESH_OT_select_similar_region(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Select Similar Regions";
ot->idname = "MESH_OT_select_similar_region";
ot->description = "Select similar face regions to the current selection";
/* api callbacks */
ot->exec = edbm_select_similar_region_exec;
ot->poll = ED_operator_editmesh;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
/* **************** Mode Select *************** */
static int edbm_select_mode_exec(bContext *C, wmOperator *op)
{
const int type = RNA_enum_get(op->ptr, "type");
const int action = RNA_enum_get(op->ptr, "action");
const bool use_extend = RNA_boolean_get(op->ptr, "use_extend");
const bool use_expand = RNA_boolean_get(op->ptr, "use_expand");
if (EDBM_selectmode_toggle(C, type, action, use_extend, use_expand)) {
return OPERATOR_FINISHED;
}
else {
return OPERATOR_CANCELLED;
}
}
static int edbm_select_mode_invoke(bContext *C, wmOperator *op, const wmEvent *event)
{
/* detecting these options based on shift/ctrl here is weak, but it's done
* to make this work when clicking buttons or menus */
if (!RNA_struct_property_is_set(op->ptr, "use_extend"))
RNA_boolean_set(op->ptr, "use_extend", event->shift);
if (!RNA_struct_property_is_set(op->ptr, "use_expand"))
RNA_boolean_set(op->ptr, "use_expand", event->ctrl);
return edbm_select_mode_exec(C, op);
}
void MESH_OT_select_mode(wmOperatorType *ot)
{
PropertyRNA *prop;
static EnumPropertyItem elem_items[] = {
{SCE_SELECT_VERTEX, "VERT", ICON_VERTEXSEL, "Vertices", ""},
{SCE_SELECT_EDGE, "EDGE", ICON_EDGESEL, "Edges", ""},
{SCE_SELECT_FACE, "FACE", ICON_FACESEL, "Faces", ""},
{0, NULL, 0, NULL, NULL},
};
static EnumPropertyItem actions_items[] = {
{0, "DISABLE", 0, "Disable", "Disable selected markers"},
{1, "ENABLE", 0, "Enable", "Enable selected markers"},
{2, "TOGGLE", 0, "Toggle", "Toggle disabled flag for selected markers"},
{0, NULL, 0, NULL, NULL}
};
/* identifiers */
ot->name = "Select Mode";
ot->idname = "MESH_OT_select_mode";
ot->description = "Change selection mode";
/* api callbacks */
ot->invoke = edbm_select_mode_invoke;
ot->exec = edbm_select_mode_exec;
ot->poll = ED_operator_editmesh;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* properties */
prop = RNA_def_boolean(ot->srna, "use_extend", false, "Extend", "");
RNA_def_property_flag(prop, PROP_SKIP_SAVE);
prop = RNA_def_boolean(ot->srna, "use_expand", false, "Expand", "");
RNA_def_property_flag(prop, PROP_SKIP_SAVE);
ot->prop = prop = RNA_def_enum(ot->srna, "type", elem_items, 0, "Type", "");
RNA_def_property_flag(prop, PROP_SKIP_SAVE);
RNA_def_enum(ot->srna, "action", actions_items, 2, "Action", "Selection action to execute");
}
/* ***************************************************** */
/* **************** LOOP SELECTS *************** */
static void walker_select_count(BMEditMesh *em, int walkercode, void *start, const bool select, const bool select_mix,
int *r_totsel, int *r_totunsel)
{
BMesh *bm = em->bm;
BMElem *ele;
BMWalker walker;
int tot[2] = {0, 0};
BMW_init(&walker, bm, walkercode,
BMW_MASK_NOP, BMW_MASK_NOP, BMW_MASK_NOP,
BMW_FLAG_TEST_HIDDEN,
BMW_NIL_LAY);
for (ele = BMW_begin(&walker, start); ele; ele = BMW_step(&walker)) {
tot[(BM_elem_flag_test_bool(ele, BM_ELEM_SELECT) != select)] += 1;
if (!select_mix && tot[0] && tot[1]) {
tot[0] = tot[1] = -1;
break;
}
}
*r_totsel = tot[0];
*r_totunsel = tot[1];
BMW_end(&walker);
}
static void walker_select(BMEditMesh *em, int walkercode, void *start, const bool select)
{
BMesh *bm = em->bm;
BMElem *ele;
BMWalker walker;
BMW_init(&walker, bm, walkercode,
BMW_MASK_NOP, BMW_MASK_NOP, BMW_MASK_NOP,
BMW_FLAG_TEST_HIDDEN,
BMW_NIL_LAY);
for (ele = BMW_begin(&walker, start); ele; ele = BMW_step(&walker)) {
if (!select) {
BM_select_history_remove(bm, ele);
}
BM_elem_select_set(bm, ele, select);
}
BMW_end(&walker);
}
static int edbm_loop_multiselect_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
BMEdge *eed;
BMEdge **edarray;
int edindex;
const bool is_ring = RNA_boolean_get(op->ptr, "ring");
BMIter iter;
int totedgesel = 0;
BM_ITER_MESH (eed, &iter, em->bm, BM_EDGES_OF_MESH) {
if (BM_elem_flag_test(eed, BM_ELEM_SELECT)) {
totedgesel++;
}
}
edarray = MEM_mallocN(sizeof(BMEdge *) * totedgesel, "edge array");
edindex = 0;
BM_ITER_MESH (eed, &iter, em->bm, BM_EDGES_OF_MESH) {
if (BM_elem_flag_test(eed, BM_ELEM_SELECT)) {
edarray[edindex] = eed;
edindex++;
}
}
if (is_ring) {
for (edindex = 0; edindex < totedgesel; edindex += 1) {
eed = edarray[edindex];
walker_select(em, BMW_EDGERING, eed, true);
}
EDBM_selectmode_flush(em);
}
else {
for (edindex = 0; edindex < totedgesel; edindex += 1) {
eed = edarray[edindex];
walker_select(em, BMW_EDGELOOP, eed, true);
}
EDBM_selectmode_flush(em);
}
MEM_freeN(edarray);
// if (EM_texFaceCheck())
WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit);
return OPERATOR_FINISHED;
}
void MESH_OT_loop_multi_select(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Multi Select Loops";
ot->idname = "MESH_OT_loop_multi_select";
ot->description = "Select a loop of connected edges by connection type";
/* api callbacks */
ot->exec = edbm_loop_multiselect_exec;
ot->poll = ED_operator_editmesh;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* properties */
RNA_def_boolean(ot->srna, "ring", 0, "Ring", "");
}
/* ***************** MAIN MOUSE SELECTION ************** */
/* ***************** loop select (non modal) ************** */
static void mouse_mesh_loop_face(BMEditMesh *em, BMEdge *eed, bool select, bool select_clear)
{
if (select_clear) {
EDBM_flag_disable_all(em, BM_ELEM_SELECT);
}
walker_select(em, BMW_FACELOOP, eed, select);
}
static void mouse_mesh_loop_edge_ring(BMEditMesh *em, BMEdge *eed, bool select, bool select_clear)
{
if (select_clear) {
EDBM_flag_disable_all(em, BM_ELEM_SELECT);
}
walker_select(em, BMW_EDGERING, eed, select);
}
static void mouse_mesh_loop_edge(BMEditMesh *em, BMEdge *eed, bool select, bool select_clear, bool select_cycle)
{
bool edge_boundary = false;
/* cycle between BMW_EDGELOOP / BMW_EDGEBOUNDARY */
if (select_cycle && BM_edge_is_boundary(eed)) {
int tot[2];
/* if the loops selected toggle the boundaries */
walker_select_count(em, BMW_EDGELOOP, eed, select, false,
&tot[0], &tot[1]);
if (tot[select] == 0) {
edge_boundary = true;
/* if the boundaries selected, toggle back to the loop */
walker_select_count(em, BMW_EDGEBOUNDARY, eed, select, false,
&tot[0], &tot[1]);
if (tot[select] == 0) {
edge_boundary = false;
}
}
}
if (select_clear) {
EDBM_flag_disable_all(em, BM_ELEM_SELECT);
}
if (edge_boundary) {
walker_select(em, BMW_EDGEBOUNDARY, eed, select);
}
else {
walker_select(em, BMW_EDGELOOP, eed, select);
}
}
static bool mouse_mesh_loop(bContext *C, const int mval[2], bool extend, bool deselect, bool toggle, bool ring)
{
ViewContext vc;
BMEditMesh *em;
BMEdge *eed;
bool select = true;
bool select_clear = false;
bool select_cycle = true;
float dist = ED_view3d_select_dist_px() * 0.6666f;
float mvalf[2];
em_setup_viewcontext(C, &vc);
mvalf[0] = (float)(vc.mval[0] = mval[0]);
mvalf[1] = (float)(vc.mval[1] = mval[1]);
em = vc.em;
/* no afterqueue (yet), so we check it now, otherwise the bm_xxxofs indices are bad */
ED_view3d_backbuf_validate(&vc);
eed = EDBM_edge_find_nearest_ex(&vc, &dist, NULL, true, true, NULL);
if (eed == NULL) {
return false;
}
if (extend == false && deselect == false && toggle == false) {
select_clear = true;
}
if (extend) {
select = true;
}
else if (deselect) {
select = false;
}
else if (select_clear || (BM_elem_flag_test(eed, BM_ELEM_SELECT) == 0)) {
select = true;
}
else if (toggle) {
select = false;
select_cycle = false;
}
if (em->selectmode & SCE_SELECT_FACE) {
mouse_mesh_loop_face(em, eed, select, select_clear);
}
else {
if (ring) {
mouse_mesh_loop_edge_ring(em, eed, select, select_clear);
}
else {
mouse_mesh_loop_edge(em, eed, select, select_clear, select_cycle);
}
}
EDBM_selectmode_flush(em);
/* sets as active, useful for other tools */
if (select) {
if (em->selectmode & SCE_SELECT_VERTEX) {
/* Find nearest vert from mouse
* (initialize to large values incase only one vertex can be projected) */
float v1_co[2], v2_co[2];
float length_1 = FLT_MAX;
float length_2 = FLT_MAX;
/* We can't be sure this has already been set... */
ED_view3d_init_mats_rv3d(vc.obedit, vc.rv3d);
if (ED_view3d_project_float_object(vc.ar, eed->v1->co, v1_co, V3D_PROJ_TEST_CLIP_NEAR) == V3D_PROJ_RET_OK) {
length_1 = len_squared_v2v2(mvalf, v1_co);
}
if (ED_view3d_project_float_object(vc.ar, eed->v2->co, v2_co, V3D_PROJ_TEST_CLIP_NEAR) == V3D_PROJ_RET_OK) {
length_2 = len_squared_v2v2(mvalf, v2_co);
}
#if 0
printf("mouse to v1: %f\nmouse to v2: %f\n", len_squared_v2v2(mvalf, v1_co),
len_squared_v2v2(mvalf, v2_co));
#endif
BM_select_history_store(em->bm, (length_1 < length_2) ? eed->v1 : eed->v2);
}
else if (em->selectmode & SCE_SELECT_EDGE) {
BM_select_history_store(em->bm, eed);
}
else if (em->selectmode & SCE_SELECT_FACE) {
/* Select the face of eed which is the nearest of mouse. */
BMFace *f, *efa = NULL;
BMIter iterf;
float best_dist = FLT_MAX;
/* We can't be sure this has already been set... */
ED_view3d_init_mats_rv3d(vc.obedit, vc.rv3d);
BM_ITER_ELEM (f, &iterf, eed, BM_FACES_OF_EDGE) {
if (BM_elem_flag_test(f, BM_ELEM_SELECT)) {
float cent[3];
float co[2], tdist;
BM_face_calc_center_mean(f, cent);
if (ED_view3d_project_float_object(vc.ar, cent, co, V3D_PROJ_TEST_CLIP_NEAR) == V3D_PROJ_RET_OK) {
tdist = len_squared_v2v2(mvalf, co);
if (tdist < best_dist) {
/* printf("Best face: %p (%f)\n", f, tdist);*/
best_dist = tdist;
efa = f;
}
}
}
}
if (efa) {
BM_mesh_active_face_set(em->bm, efa);
BM_select_history_store(em->bm, efa);
}
}
}
WM_event_add_notifier(C, NC_GEOM | ND_SELECT, vc.obedit);
return true;
}
static int edbm_select_loop_invoke(bContext *C, wmOperator *op, const wmEvent *event)
{
view3d_operator_needs_opengl(C);
if (mouse_mesh_loop(C, event->mval,
RNA_boolean_get(op->ptr, "extend"),
RNA_boolean_get(op->ptr, "deselect"),
RNA_boolean_get(op->ptr, "toggle"),
RNA_boolean_get(op->ptr, "ring")))
{
return OPERATOR_FINISHED;
}
else {
return OPERATOR_CANCELLED;
}
}
void MESH_OT_loop_select(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Loop Select";
ot->idname = "MESH_OT_loop_select";
ot->description = "Select a loop of connected edges";
/* api callbacks */
ot->invoke = edbm_select_loop_invoke;
ot->poll = ED_operator_editmesh_region_view3d;
/* flags */
ot->flag = OPTYPE_UNDO;
/* properties */
RNA_def_boolean(ot->srna, "extend", 0, "Extend Select", "Extend the selection");
RNA_def_boolean(ot->srna, "deselect", 0, "Deselect", "Remove from the selection");
RNA_def_boolean(ot->srna, "toggle", 0, "Toggle Select", "Toggle the selection");
RNA_def_boolean(ot->srna, "ring", 0, "Select Ring", "Select ring");
}
void MESH_OT_edgering_select(wmOperatorType *ot)
{
/* description */
ot->name = "Edge Ring Select";
ot->idname = "MESH_OT_edgering_select";
ot->description = "Select an edge ring";
/* callbacks */
ot->invoke = edbm_select_loop_invoke;
ot->poll = ED_operator_editmesh_region_view3d;
/* flags */
ot->flag = OPTYPE_UNDO;
RNA_def_boolean(ot->srna, "extend", 0, "Extend", "Extend the selection");
RNA_def_boolean(ot->srna, "deselect", 0, "Deselect", "Remove from the selection");
RNA_def_boolean(ot->srna, "toggle", 0, "Toggle Select", "Toggle the selection");
RNA_def_boolean(ot->srna, "ring", 1, "Select Ring", "Select ring");
}
/* ******************** (de)select all operator **************** */
static int edbm_select_all_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
const int action = RNA_enum_get(op->ptr, "action");
switch (action) {
case SEL_TOGGLE:
EDBM_select_toggle_all(em);
break;
case SEL_SELECT:
EDBM_flag_enable_all(em, BM_ELEM_SELECT);
break;
case SEL_DESELECT:
EDBM_flag_disable_all(em, BM_ELEM_SELECT);
break;
case SEL_INVERT:
EDBM_select_swap(em);
EDBM_selectmode_flush(em);
break;
}
WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit);
return OPERATOR_FINISHED;
}
void MESH_OT_select_all(wmOperatorType *ot)
{
/* identifiers */
ot->name = "(De)select All";
ot->idname = "MESH_OT_select_all";
ot->description = "(De)select all vertices, edges or faces";
/* api callbacks */
ot->exec = edbm_select_all_exec;
ot->poll = ED_operator_editmesh;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
WM_operator_properties_select_all(ot);
}
static int edbm_faces_select_interior_exec(bContext *C, wmOperator *UNUSED(op))
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
if (EDBM_select_interior_faces(em)) {
WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit);
return OPERATOR_FINISHED;
}
else {
return OPERATOR_CANCELLED;
}
}
void MESH_OT_select_interior_faces(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Select Interior Faces";
ot->idname = "MESH_OT_select_interior_faces";
ot->description = "Select faces where all edges have more than 2 face users";
/* api callbacks */
ot->exec = edbm_faces_select_interior_exec;
ot->poll = ED_operator_editmesh;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
/* ************************************************** */
/* here actual select happens */
/* gets called via generic mouse select operator */
bool EDBM_select_pick(bContext *C, const int mval[2], bool extend, bool deselect, bool toggle)
{
ViewContext vc;
BMVert *eve = NULL;
BMEdge *eed = NULL;
BMFace *efa = NULL;
/* setup view context for argument to callbacks */
em_setup_viewcontext(C, &vc);
vc.mval[0] = mval[0];
vc.mval[1] = mval[1];
if (unified_findnearest(&vc, &eve, &eed, &efa)) {
/* Deselect everything */
if (extend == false && deselect == false && toggle == false)
EDBM_flag_disable_all(vc.em, BM_ELEM_SELECT);
if (efa) {
if (extend) {
/* set the last selected face */
BM_mesh_active_face_set(vc.em->bm, efa);
/* Work-around: deselect first, so we can guarantee it will */
/* be active even if it was already selected */
BM_select_history_remove(vc.em->bm, efa);
BM_face_select_set(vc.em->bm, efa, false);
BM_select_history_store(vc.em->bm, efa);
BM_face_select_set(vc.em->bm, efa, true);
}
else if (deselect) {
BM_select_history_remove(vc.em->bm, efa);
BM_face_select_set(vc.em->bm, efa, false);
}
else {
/* set the last selected face */
BM_mesh_active_face_set(vc.em->bm, efa);
if (!BM_elem_flag_test(efa, BM_ELEM_SELECT)) {
BM_select_history_store(vc.em->bm, efa);
BM_face_select_set(vc.em->bm, efa, true);
}
else if (toggle) {
BM_select_history_remove(vc.em->bm, efa);
BM_face_select_set(vc.em->bm, efa, false);
}
}
}
else if (eed) {
if (extend) {
/* Work-around: deselect first, so we can guarantee it will */
/* be active even if it was already selected */
BM_select_history_remove(vc.em->bm, eed);
BM_edge_select_set(vc.em->bm, eed, false);
BM_select_history_store(vc.em->bm, eed);
BM_edge_select_set(vc.em->bm, eed, true);
}
else if (deselect) {
BM_select_history_remove(vc.em->bm, eed);
BM_edge_select_set(vc.em->bm, eed, false);
}
else {
if (!BM_elem_flag_test(eed, BM_ELEM_SELECT)) {
BM_select_history_store(vc.em->bm, eed);
BM_edge_select_set(vc.em->bm, eed, true);
}
else if (toggle) {
BM_select_history_remove(vc.em->bm, eed);
BM_edge_select_set(vc.em->bm, eed, false);
}
}
}
else if (eve) {
if (extend) {
/* Work-around: deselect first, so we can guarantee it will */
/* be active even if it was already selected */
BM_select_history_remove(vc.em->bm, eve);
BM_vert_select_set(vc.em->bm, eve, false);
BM_select_history_store(vc.em->bm, eve);
BM_vert_select_set(vc.em->bm, eve, true);
}
else if (deselect) {
BM_select_history_remove(vc.em->bm, eve);
BM_vert_select_set(vc.em->bm, eve, false);
}
else {
if (!BM_elem_flag_test(eve, BM_ELEM_SELECT)) {
BM_select_history_store(vc.em->bm, eve);
BM_vert_select_set(vc.em->bm, eve, true);
}
else if (toggle) {
BM_select_history_remove(vc.em->bm, eve);
BM_vert_select_set(vc.em->bm, eve, false);
}
}
}
EDBM_selectmode_flush(vc.em);
/* change active material on object */
if (efa && efa->mat_nr != vc.obedit->actcol - 1) {
vc.obedit->actcol = efa->mat_nr + 1;
vc.em->mat_nr = efa->mat_nr;
WM_event_add_notifier(C, NC_MATERIAL | ND_SHADING_LINKS, NULL);
}
WM_event_add_notifier(C, NC_GEOM | ND_SELECT, vc.obedit);
return true;
}
return false;
}
static void edbm_strip_selections(BMEditMesh *em)
{
BMEditSelection *ese, *nextese;
if (!(em->selectmode & SCE_SELECT_VERTEX)) {
ese = em->bm->selected.first;
while (ese) {
nextese = ese->next;
if (ese->htype == BM_VERT) BLI_freelinkN(&(em->bm->selected), ese);
ese = nextese;
}
}
if (!(em->selectmode & SCE_SELECT_EDGE)) {
ese = em->bm->selected.first;
while (ese) {
nextese = ese->next;
if (ese->htype == BM_EDGE) BLI_freelinkN(&(em->bm->selected), ese);
ese = nextese;
}
}
if (!(em->selectmode & SCE_SELECT_FACE)) {
ese = em->bm->selected.first;
while (ese) {
nextese = ese->next;
if (ese->htype == BM_FACE) BLI_freelinkN(&(em->bm->selected), ese);
ese = nextese;
}
}
}
/* when switching select mode, makes sure selection is consistent for editing */
/* also for paranoia checks to make sure edge or face mode works */
void EDBM_selectmode_set(BMEditMesh *em)
{
BMVert *eve;
BMEdge *eed;
BMFace *efa;
BMIter iter;
em->bm->selectmode = em->selectmode;
edbm_strip_selections(em); /* strip BMEditSelections from em->selected that are not relevant to new mode */
if (em->bm->totvertsel == 0 &&
em->bm->totedgesel == 0 &&
em->bm->totfacesel == 0)
{
return;
}
if (em->selectmode & SCE_SELECT_VERTEX) {
if (em->bm->totvertsel) {
EDBM_select_flush(em);
}
}
else if (em->selectmode & SCE_SELECT_EDGE) {
/* deselect vertices, and select again based on edge select */
BM_ITER_MESH (eve, &iter, em->bm, BM_VERTS_OF_MESH) {
BM_vert_select_set(em->bm, eve, false);
}
if (em->bm->totedgesel) {
BM_ITER_MESH (eed, &iter, em->bm, BM_EDGES_OF_MESH) {
if (BM_elem_flag_test(eed, BM_ELEM_SELECT)) {
BM_edge_select_set(em->bm, eed, true);
}
}
/* selects faces based on edge status */
EDBM_selectmode_flush(em);
}
}
else if (em->selectmode & SCE_SELECT_FACE) {
/* deselect eges, and select again based on face select */
BM_ITER_MESH (eed, &iter, em->bm, BM_EDGES_OF_MESH) {
BM_edge_select_set(em->bm, eed, false);
}
if (em->bm->totfacesel) {
BM_ITER_MESH (efa, &iter, em->bm, BM_FACES_OF_MESH) {
if (BM_elem_flag_test(efa, BM_ELEM_SELECT)) {
BM_face_select_set(em->bm, efa, true);
}
}
}
}
}
/**
* Expand & Contract the Selection
* (used when changing modes and Ctrl key held)
*
* Flush the selection up:
* - vert -> edge
* - vert -> face
* - edge -> face
*
* Flush the selection down:
* - face -> edge
* - face -> vert
* - edge -> vert
*/
void EDBM_selectmode_convert(BMEditMesh *em, const short selectmode_old, const short selectmode_new)
{
BMesh *bm = em->bm;
BMVert *eve;
BMEdge *eed;
BMFace *efa;
BMIter iter;
/* first tag-to-select, then select --- this avoids a feedback loop */
/* have to find out what the selectionmode was previously */
if (selectmode_old == SCE_SELECT_VERTEX) {
if (bm->totvertsel == 0) {
/* pass */
}
else if (selectmode_new == SCE_SELECT_EDGE) {
/* flush up (vert -> edge) */
/* select all edges associated with every selected vert */
BM_ITER_MESH (eed, &iter, bm, BM_EDGES_OF_MESH) {
BM_elem_flag_set(eed, BM_ELEM_TAG, BM_edge_is_any_vert_flag_test(eed, BM_ELEM_SELECT));
}
BM_ITER_MESH (eed, &iter, bm, BM_EDGES_OF_MESH) {
if (BM_elem_flag_test(eed, BM_ELEM_TAG)) {
BM_edge_select_set(bm, eed, true);
}
}
}
else if (selectmode_new == SCE_SELECT_FACE) {
/* flush up (vert -> face) */
/* select all faces associated with every selected vert */
BM_ITER_MESH (efa, &iter, bm, BM_FACES_OF_MESH) {
BM_elem_flag_set(efa, BM_ELEM_TAG, BM_face_is_any_vert_flag_test(efa, BM_ELEM_SELECT));
}
BM_ITER_MESH (efa, &iter, bm, BM_FACES_OF_MESH) {
if (BM_elem_flag_test(efa, BM_ELEM_TAG)) {
BM_face_select_set(bm, efa, true);
}
}
}
}
else if (selectmode_old == SCE_SELECT_EDGE) {
if (bm->totedgesel == 0) {
/* pass */
}
else if (selectmode_new == SCE_SELECT_FACE) {
/* flush up (edge -> face) */
/* select all faces associated with every selected edge */
BM_ITER_MESH (efa, &iter, bm, BM_FACES_OF_MESH) {
BM_elem_flag_set(efa, BM_ELEM_TAG, BM_face_is_any_edge_flag_test(efa, BM_ELEM_SELECT));
}
BM_ITER_MESH (efa, &iter, bm, BM_FACES_OF_MESH) {
if (BM_elem_flag_test(efa, BM_ELEM_TAG)) {
BM_face_select_set(bm, efa, true);
}
}
}
else if (selectmode_new == SCE_SELECT_VERTEX) {
/* flush down (edge -> vert) */
BM_ITER_MESH (eve, &iter, bm, BM_VERTS_OF_MESH) {
if (!BM_vert_is_all_edge_flag_test(eve, BM_ELEM_SELECT, true)) {
BM_vert_select_set(bm, eve, false);
}
}
/* deselect edges without both verts selected */
BM_mesh_deselect_flush(bm);
}
}
else if (selectmode_old == SCE_SELECT_FACE) {
if (bm->totfacesel == 0) {
/* pass */
}
else if (selectmode_new == SCE_SELECT_EDGE) {
/* flush down (face -> edge) */
BM_ITER_MESH (eed, &iter, bm, BM_EDGES_OF_MESH) {
if (!BM_edge_is_all_face_flag_test(eed, BM_ELEM_SELECT, true)) {
BM_edge_select_set(bm, eed, false);
}
}
}
else if (selectmode_new == SCE_SELECT_VERTEX) {
/* flush down (face -> vert) */
BM_ITER_MESH (eve, &iter, bm, BM_VERTS_OF_MESH) {
if (!BM_vert_is_all_face_flag_test(eve, BM_ELEM_SELECT, true)) {
BM_vert_select_set(bm, eve, false);
}
}
/* deselect faces without verts selected */
BM_mesh_deselect_flush(bm);
}
}
}
/* user facing function, does notification */
bool EDBM_selectmode_toggle(bContext *C, const short selectmode_new,
const int action, const bool use_extend, const bool use_expand)
{
ToolSettings *ts = CTX_data_tool_settings(C);
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = NULL;
bool ret = false;
if (obedit && obedit->type == OB_MESH) {
em = BKE_editmesh_from_object(obedit);
}
if (em == NULL) {
return ret;
}
switch (action) {
case -1:
/* already set */
break;
case 0: /* disable */
/* check we have something to do */
if ((em->selectmode & selectmode_new) == 0) {
return false;
}
em->selectmode &= ~selectmode_new;
break;
case 1: /* enable */
/* check we have something to do */
if ((em->selectmode & selectmode_new) != 0) {
return false;
}
em->selectmode |= selectmode_new;
break;
case 2: /* toggle */
/* can't disable this flag if its the only one set */
if (em->selectmode == selectmode_new) {
return false;
}
em->selectmode ^= selectmode_new;
break;
default:
BLI_assert(0);
break;
}
if (use_extend == 0 || em->selectmode == 0) {
if (use_expand) {
const short selmode_max = highest_order_bit_s(ts->selectmode);
EDBM_selectmode_convert(em, selmode_max, selectmode_new);
}
}
switch (selectmode_new) {
case SCE_SELECT_VERTEX:
if (use_extend == 0 || em->selectmode == 0) {
em->selectmode = SCE_SELECT_VERTEX;
}
ts->selectmode = em->selectmode;
EDBM_selectmode_set(em);
ret = true;
break;
case SCE_SELECT_EDGE:
if (use_extend == 0 || em->selectmode == 0) {
em->selectmode = SCE_SELECT_EDGE;
}
ts->selectmode = em->selectmode;
EDBM_selectmode_set(em);
ret = true;
break;
case SCE_SELECT_FACE:
if (use_extend == 0 || em->selectmode == 0) {
em->selectmode = SCE_SELECT_FACE;
}
ts->selectmode = em->selectmode;
EDBM_selectmode_set(em);
ret = true;
break;
default:
BLI_assert(0);
break;
}
if (ret == true) {
WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
WM_main_add_notifier(NC_SCENE | ND_TOOLSETTINGS, NULL);
}
return ret;
}
/**
* Use to disable a selectmode if its enabled, Using another mode as a fallback
* if the disabled mode is the only mode set.
*
* \return true if the mode is changed.
*/
bool EDBM_selectmode_disable(Scene *scene, BMEditMesh *em,
const short selectmode_disable,
const short selectmode_fallback)
{
/* note essential, but switch out of vertex mode since the
* selected regions wont be nicely isolated after flushing */
if (em->selectmode & selectmode_disable) {
if (em->selectmode == selectmode_disable) {
em->selectmode = selectmode_fallback;
}
else {
em->selectmode &= ~selectmode_disable;
}
scene->toolsettings->selectmode = em->selectmode;
EDBM_selectmode_set(em);
WM_main_add_notifier(NC_SCENE | ND_TOOLSETTINGS, scene);
return true;
}
else {
return false;
}
}
void EDBM_deselect_by_material(BMEditMesh *em, const short index, const bool select)
{
BMIter iter;
BMFace *efa;
BM_ITER_MESH (efa, &iter, em->bm, BM_FACES_OF_MESH) {
if (BM_elem_flag_test(efa, BM_ELEM_HIDDEN))
continue;
if (efa->mat_nr == index) {
BM_face_select_set(em->bm, efa, select);
}
}
}
void EDBM_select_toggle_all(BMEditMesh *em) /* exported for UV */
{
if (em->bm->totvertsel || em->bm->totedgesel || em->bm->totfacesel)
EDBM_flag_disable_all(em, BM_ELEM_SELECT);
else
EDBM_flag_enable_all(em, BM_ELEM_SELECT);
}
void EDBM_select_swap(BMEditMesh *em) /* exported for UV */
{
BMIter iter;
BMVert *eve;
BMEdge *eed;
BMFace *efa;
if (em->bm->selectmode & SCE_SELECT_VERTEX) {
BM_ITER_MESH (eve, &iter, em->bm, BM_VERTS_OF_MESH) {
if (BM_elem_flag_test(eve, BM_ELEM_HIDDEN))
continue;
BM_vert_select_set(em->bm, eve, !BM_elem_flag_test(eve, BM_ELEM_SELECT));
}
}
else if (em->selectmode & SCE_SELECT_EDGE) {
BM_ITER_MESH (eed, &iter, em->bm, BM_EDGES_OF_MESH) {
if (BM_elem_flag_test(eed, BM_ELEM_HIDDEN))
continue;
BM_edge_select_set(em->bm, eed, !BM_elem_flag_test(eed, BM_ELEM_SELECT));
}
}
else {
BM_ITER_MESH (efa, &iter, em->bm, BM_FACES_OF_MESH) {
if (BM_elem_flag_test(efa, BM_ELEM_HIDDEN))
continue;
BM_face_select_set(em->bm, efa, !BM_elem_flag_test(efa, BM_ELEM_SELECT));
}
}
// if (EM_texFaceCheck())
}
bool EDBM_select_interior_faces(BMEditMesh *em)
{
BMesh *bm = em->bm;
BMIter iter;
BMIter eiter;
BMFace *efa;
BMEdge *eed;
bool ok;
bool changed = false;
BM_ITER_MESH (efa, &iter, em->bm, BM_FACES_OF_MESH) {
if (BM_elem_flag_test(efa, BM_ELEM_HIDDEN))
continue;
ok = true;
BM_ITER_ELEM (eed, &eiter, efa, BM_EDGES_OF_FACE) {
if (!BM_edge_face_count_is_over(eed, 2)) {
ok = false;
break;
}
}
if (ok) {
BM_face_select_set(bm, efa, true);
changed = true;
}
}
return changed;
}
/************************ Select Linked Operator *************************/
/* so we can have last-used default depend on selection mode (rare exception!) */
#define USE_LINKED_SELECT_DEFAULT_HACK
struct DelimitData {
int cd_loop_type;
int cd_loop_offset;
};
static bool select_linked_delimit_test(
BMEdge *e, int delimit,
const struct DelimitData *delimit_data)
{
BLI_assert(delimit);
if (delimit & BMO_DELIM_SEAM) {
if (BM_elem_flag_test(e, BM_ELEM_SEAM)) {
return true;
}
}
if (delimit & BMO_DELIM_SHARP) {
if (BM_elem_flag_test(e, BM_ELEM_SMOOTH) == 0) {
return true;
}
}
if (delimit & BMO_DELIM_NORMAL) {
if (!BM_edge_is_contiguous(e)) {
return true;
}
}
if (delimit & BMO_DELIM_MATERIAL) {
if (e->l && e->l->radial_next != e->l) {
const short mat_nr = e->l->f->mat_nr;
BMLoop *l_iter = e->l->radial_next;
do {
if (l_iter->f->mat_nr != mat_nr) {
return true;
}
} while ((l_iter = l_iter->radial_next) != e->l);
}
}
if (delimit & BMO_DELIM_UV) {
if (BM_edge_is_contiguous_loop_cd(e, delimit_data->cd_loop_type, delimit_data->cd_loop_offset) == 0) {
return true;
}
}
return false;
}
#ifdef USE_LINKED_SELECT_DEFAULT_HACK
/**
* Gets the default from the operator fallback to own last-used value
* (selected based on mode)
*/
static int select_linked_delimit_default_from_op(wmOperator *op, BMEditMesh *em)
{
static char delimit_last_store[2] = {0, BMO_DELIM_SEAM};
int delimit_last_index = (em->selectmode & (SCE_SELECT_VERTEX | SCE_SELECT_EDGE)) == 0;
char *delimit_last = &delimit_last_store[delimit_last_index];
PropertyRNA *prop_delimit = RNA_struct_find_property(op->ptr, "delimit");
int delimit;
if (RNA_property_is_set(op->ptr, prop_delimit)) {
delimit = RNA_property_enum_get(op->ptr, prop_delimit);
*delimit_last = delimit;
}
else {
delimit = *delimit_last;
RNA_property_enum_set(op->ptr, prop_delimit, delimit);
}
return delimit;
}
#endif
static void select_linked_delimit_validate(BMesh *bm, int *delimit)
{
if ((*delimit) & BMO_DELIM_UV) {
if (!CustomData_has_layer(&bm->ldata, CD_MLOOPUV)) {
(*delimit) &= ~BMO_DELIM_UV;
}
}
}
static void select_linked_delimit_begin(BMesh *bm, int delimit)
{
struct DelimitData delimit_data = {0};
if (delimit & BMO_DELIM_UV) {
delimit_data.cd_loop_type = CD_MLOOPUV;
delimit_data.cd_loop_offset = CustomData_get_offset(&bm->ldata, delimit_data.cd_loop_type);
if (delimit_data.cd_loop_offset == -1) {
delimit &= ~BMO_DELIM_UV;
}
}
/* grr, shouldn't need to alloc BMO flags here */
BM_mesh_elem_toolflags_ensure(bm);
{
BMIter iter;
BMEdge *e;
BM_ITER_MESH (e, &iter, bm, BM_EDGES_OF_MESH) {
const bool is_walk_ok = (
(select_linked_delimit_test(e, delimit, &delimit_data) == false));
BMO_edge_flag_set(bm, e, BMO_ELE_TAG, is_walk_ok);
}
}
}
static void select_linked_delimit_end(BMEditMesh *em)
{
BMesh *bm = em->bm;
BM_mesh_elem_toolflags_clear(bm);
}
static int edbm_select_linked_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
BMesh *bm = em->bm;
BMIter iter;
BMWalker walker;
#ifdef USE_LINKED_SELECT_DEFAULT_HACK
int delimit = select_linked_delimit_default_from_op(op, em);
#else
int delimit = RNA_enum_get(op->ptr, "delimit");
#endif
select_linked_delimit_validate(bm, &delimit);
if (delimit) {
select_linked_delimit_begin(em->bm, delimit);
}
if (em->selectmode & SCE_SELECT_VERTEX) {
BMVert *v;
BM_ITER_MESH (v, &iter, em->bm, BM_VERTS_OF_MESH) {
BM_elem_flag_set(v, BM_ELEM_TAG, BM_elem_flag_test(v, BM_ELEM_SELECT));
}
/* exclude all delimited verts */
if (delimit) {
BMEdge *e;
BM_ITER_MESH (e, &iter, em->bm, BM_EDGES_OF_MESH) {
if (!BMO_edge_flag_test(bm, e, BMO_ELE_TAG)) {
BM_elem_flag_disable(e->v1, BM_ELEM_TAG);
BM_elem_flag_disable(e->v2, BM_ELEM_TAG);
}
}
}
BMW_init(&walker, em->bm, delimit ? BMW_LOOP_SHELL_WIRE : BMW_VERT_SHELL,
BMW_MASK_NOP, delimit ? BMO_ELE_TAG : BMW_MASK_NOP, BMW_MASK_NOP,
BMW_FLAG_TEST_HIDDEN,
BMW_NIL_LAY);
if (delimit) {
BM_ITER_MESH (v, &iter, em->bm, BM_VERTS_OF_MESH) {
if (BM_elem_flag_test(v, BM_ELEM_TAG)) {
BMElem *ele_walk;
BMW_ITER (ele_walk, &walker, v) {
if (ele_walk->head.htype == BM_LOOP) {
BMVert *v_step = ((BMLoop *)ele_walk)->v;
BM_vert_select_set(em->bm, v_step, true);
BM_elem_flag_disable(v_step, BM_ELEM_TAG);
}
else {
BMEdge *e_step = (BMEdge *)ele_walk;
BLI_assert(ele_walk->head.htype == BM_EDGE);
BM_edge_select_set(em->bm, e_step, true);
BM_elem_flag_disable(e_step->v1, BM_ELEM_TAG);
BM_elem_flag_disable(e_step->v2, BM_ELEM_TAG);
}
}
}
}
}
else {
BM_ITER_MESH (v, &iter, em->bm, BM_VERTS_OF_MESH) {
if (BM_elem_flag_test(v, BM_ELEM_TAG)) {
BMEdge *e_walk;
BMW_ITER (e_walk, &walker, v) {
BM_edge_select_set(em->bm, e_walk, true);
BM_elem_flag_disable(e_walk, BM_ELEM_TAG);
}
}
}
}
BMW_end(&walker);
EDBM_selectmode_flush(em);
}
else if (em->selectmode & SCE_SELECT_EDGE) {
BMEdge *e;
if (delimit) {
BM_ITER_MESH (e, &iter, em->bm, BM_EDGES_OF_MESH) {
BM_elem_flag_set(
e, BM_ELEM_TAG,
(BM_elem_flag_test(e, BM_ELEM_SELECT) && BMO_edge_flag_test(bm, e, BMO_ELE_TAG)));
}
}
else {
BM_ITER_MESH (e, &iter, em->bm, BM_EDGES_OF_MESH) {
BM_elem_flag_set(e, BM_ELEM_TAG, BM_elem_flag_test(e, BM_ELEM_SELECT));
}
}
BMW_init(&walker, em->bm, delimit ? BMW_LOOP_SHELL_WIRE : BMW_VERT_SHELL,
BMW_MASK_NOP, delimit ? BMO_ELE_TAG : BMW_MASK_NOP, BMW_MASK_NOP,
BMW_FLAG_TEST_HIDDEN,
BMW_NIL_LAY);
if (delimit) {
BM_ITER_MESH (e, &iter, em->bm, BM_EDGES_OF_MESH) {
if (BM_elem_flag_test(e, BM_ELEM_TAG)) {
BMElem *ele_walk;
BMW_ITER (ele_walk, &walker, e) {
if (ele_walk->head.htype == BM_LOOP) {
BMLoop *l_step = (BMLoop *)ele_walk;
BM_edge_select_set(em->bm, l_step->e, true);
BM_edge_select_set(em->bm, l_step->prev->e, true);
BM_elem_flag_disable(l_step->e, BM_ELEM_TAG);
}
else {
BMEdge *e_step = (BMEdge *)ele_walk;
BLI_assert(ele_walk->head.htype == BM_EDGE);
BM_edge_select_set(em->bm, e_step, true);
BM_elem_flag_disable(e_step, BM_ELEM_TAG);
}
}
}
}
}
else {
BM_ITER_MESH (e, &iter, em->bm, BM_EDGES_OF_MESH) {
if (BM_elem_flag_test(e, BM_ELEM_TAG)) {
BMEdge *e_walk;
BMW_ITER (e_walk, &walker, e) {
BM_edge_select_set(em->bm, e_walk, true);
BM_elem_flag_disable(e_walk, BM_ELEM_TAG);
}
}
}
}
BMW_end(&walker);
EDBM_selectmode_flush(em);
}
else {
BMFace *f;
BM_ITER_MESH (f, &iter, em->bm, BM_FACES_OF_MESH) {
BM_elem_flag_set(f, BM_ELEM_TAG, BM_elem_flag_test(f, BM_ELEM_SELECT));
}
BMW_init(&walker, bm, BMW_ISLAND,
BMW_MASK_NOP, delimit ? BMO_ELE_TAG : BMW_MASK_NOP, BMW_MASK_NOP,
BMW_FLAG_TEST_HIDDEN,
BMW_NIL_LAY);
BM_ITER_MESH (f, &iter, em->bm, BM_FACES_OF_MESH) {
if (BM_elem_flag_test(f, BM_ELEM_TAG)) {
BMFace *f_walk;
BMW_ITER (f_walk, &walker, f) {
BM_face_select_set(bm, f_walk, true);
BM_elem_flag_disable(f_walk, BM_ELEM_TAG);
}
}
}
BMW_end(&walker);
}
if (delimit) {
select_linked_delimit_end(em);
}
WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit);
return OPERATOR_FINISHED;
}
void MESH_OT_select_linked(wmOperatorType *ot)
{
PropertyRNA *prop;
/* identifiers */
ot->name = "Select Linked All";
ot->idname = "MESH_OT_select_linked";
ot->description = "Select all vertices linked to the active mesh";
/* api callbacks */
ot->exec = edbm_select_linked_exec;
ot->poll = ED_operator_editmesh;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
prop = RNA_def_enum_flag(ot->srna, "delimit", rna_enum_mesh_delimit_mode_items, BMO_DELIM_SEAM, "Delimit",
"Delimit selected region");
#ifdef USE_LINKED_SELECT_DEFAULT_HACK
RNA_def_property_flag(prop, PROP_SKIP_SAVE);
#else
UNUSED_VARS(prop);
#endif
}
static int edbm_select_linked_pick_exec(bContext *C, wmOperator *op);
static void edbm_select_linked_pick_ex(BMEditMesh *em, BMElem *ele, bool sel, int delimit)
{
BMesh *bm = em->bm;
BMWalker walker;
select_linked_delimit_validate(bm, &delimit);
if (delimit) {
select_linked_delimit_begin(bm, delimit);
}
/* Note: logic closely matches 'edbm_select_linked_exec', keep in sync */
if (ele->head.htype == BM_VERT) {
BMVert *eve = (BMVert *)ele;
BMW_init(&walker, bm, delimit ? BMW_LOOP_SHELL_WIRE : BMW_VERT_SHELL,
BMW_MASK_NOP, delimit ? BMO_ELE_TAG : BMW_MASK_NOP, BMW_MASK_NOP,
BMW_FLAG_TEST_HIDDEN,
BMW_NIL_LAY);
if (delimit) {
BMElem *ele_walk;
BMW_ITER (ele_walk, &walker, eve) {
if (ele_walk->head.htype == BM_LOOP) {
BMVert *v_step = ((BMLoop *)ele_walk)->v;
BM_vert_select_set(bm, v_step, sel);
}
else {
BMEdge *e_step = (BMEdge *)ele_walk;
BLI_assert(ele_walk->head.htype == BM_EDGE);
BM_edge_select_set(bm, e_step, sel);
}
}
}
else {
BMEdge *e_walk;
BMW_ITER (e_walk, &walker, eve) {
BM_edge_select_set(bm, e_walk, sel);
}
}
BMW_end(&walker);
EDBM_selectmode_flush(em);
}
else if (ele->head.htype == BM_EDGE) {
BMEdge *eed = (BMEdge *)ele;
BMW_init(&walker, bm, delimit ? BMW_LOOP_SHELL_WIRE : BMW_VERT_SHELL,
BMW_MASK_NOP, delimit ? BMO_ELE_TAG : BMW_MASK_NOP, BMW_MASK_NOP,
BMW_FLAG_TEST_HIDDEN,
BMW_NIL_LAY);
if (delimit) {
BMElem *ele_walk;
BMW_ITER (ele_walk, &walker, eed) {
if (ele_walk->head.htype == BM_LOOP) {
BMEdge *e_step = ((BMLoop *)ele_walk)->e;
BM_edge_select_set(bm, e_step, sel);
}
else {
BMEdge *e_step = (BMEdge *)ele_walk;
BLI_assert(ele_walk->head.htype == BM_EDGE);
BM_edge_select_set(bm, e_step, sel);
}
}
}
else {
BMEdge *e_walk;
BMW_ITER (e_walk, &walker, eed) {
BM_edge_select_set(bm, e_walk, sel);
}
}
BMW_end(&walker);
EDBM_selectmode_flush(em);
}
else if (ele->head.htype == BM_FACE) {
BMFace *efa = (BMFace *)ele;
BMW_init(&walker, bm, BMW_ISLAND,
BMW_MASK_NOP, delimit ? BMO_ELE_TAG : BMW_MASK_NOP, BMW_MASK_NOP,
BMW_FLAG_TEST_HIDDEN,
BMW_NIL_LAY);
{
BMFace *f_walk;
BMW_ITER (f_walk, &walker, efa) {
BM_face_select_set(bm, f_walk, sel);
BM_elem_flag_disable(f_walk, BM_ELEM_TAG);
}
}
BMW_end(&walker);
}
if (delimit) {
select_linked_delimit_end(em);
}
}
static int edbm_select_linked_pick_invoke(bContext *C, wmOperator *op, const wmEvent *event)
{
Object *obedit = CTX_data_edit_object(C);
ViewContext vc;
BMEditMesh *em;
BMesh *bm;
BMVert *eve;
BMEdge *eed;
BMFace *efa;
const bool sel = !RNA_boolean_get(op->ptr, "deselect");
int index;
if (RNA_struct_property_is_set(op->ptr, "index")) {
return edbm_select_linked_pick_exec(C, op);
}
/* unified_finednearest needs ogl */
view3d_operator_needs_opengl(C);
/* setup view context for argument to callbacks */
em_setup_viewcontext(C, &vc);
em = vc.em;
bm = em->bm;
if (bm->totedge == 0) {
return OPERATOR_CANCELLED;
}
vc.mval[0] = event->mval[0];
vc.mval[1] = event->mval[1];
/* return warning! */
if (unified_findnearest(&vc, &eve, &eed, &efa) == 0) {
WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit);
return OPERATOR_CANCELLED;
}
#ifdef USE_LINKED_SELECT_DEFAULT_HACK
int delimit = select_linked_delimit_default_from_op(op, em);
#else
int delimit = RNA_enum_get(op->ptr, "delimit");
#endif
BMElem *ele = EDBM_elem_from_selectmode(em, eve, eed, efa);
edbm_select_linked_pick_ex(em, ele, sel, delimit);
/* to support redo */
BM_mesh_elem_index_ensure(bm, ele->head.htype);
index = EDBM_elem_to_index_any(em, ele);
RNA_int_set(op->ptr, "index", index);
WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit);
return OPERATOR_FINISHED;
}
static int edbm_select_linked_pick_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
BMesh *bm = em->bm;
int index;
const bool sel = !RNA_boolean_get(op->ptr, "deselect");
index = RNA_int_get(op->ptr, "index");
if (index < 0 || index >= (bm->totvert + bm->totedge + bm->totface)) {
return OPERATOR_CANCELLED;
}
BMElem *ele = EDBM_elem_from_index_any(em, index);
#ifdef USE_LINKED_SELECT_DEFAULT_HACK
int delimit = select_linked_delimit_default_from_op(op, em);
#else
int delimit = RNA_enum_get(op->ptr, "delimit");
#endif
edbm_select_linked_pick_ex(em, ele, sel, delimit);
WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit);
return OPERATOR_FINISHED;
}
void MESH_OT_select_linked_pick(wmOperatorType *ot)
{
PropertyRNA *prop;
/* identifiers */
ot->name = "Select Linked";
ot->idname = "MESH_OT_select_linked_pick";
ot->description = "(De)select all vertices linked to the edge under the mouse cursor";
/* api callbacks */
ot->invoke = edbm_select_linked_pick_invoke;
ot->exec = edbm_select_linked_pick_exec;
ot->poll = ED_operator_editmesh;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
RNA_def_boolean(ot->srna, "deselect", 0, "Deselect", "");
prop = RNA_def_enum_flag(ot->srna, "delimit", rna_enum_mesh_delimit_mode_items, BMO_DELIM_SEAM, "Delimit",
"Delimit selected region");
#ifdef USE_LINKED_SELECT_DEFAULT_HACK
RNA_def_property_flag(prop, PROP_SKIP_SAVE);
#endif
/* use for redo */
prop = RNA_def_int(ot->srna, "index", -1, -1, INT_MAX, "", "", 0, INT_MAX);
RNA_def_property_flag(prop, PROP_HIDDEN | PROP_SKIP_SAVE);
}
static int edbm_select_face_by_sides_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
BMFace *efa;
BMIter iter;
const int numverts = RNA_int_get(op->ptr, "number");
const int type = RNA_enum_get(op->ptr, "type");
if (!RNA_boolean_get(op->ptr, "extend"))
EDBM_flag_disable_all(em, BM_ELEM_SELECT);
BM_ITER_MESH (efa, &iter, em->bm, BM_FACES_OF_MESH) {
bool select;
switch (type) {
case 0:
select = (efa->len < numverts);
break;
case 1:
select = (efa->len == numverts);
break;
case 2:
select = (efa->len > numverts);
break;
case 3:
select = (efa->len != numverts);
break;
default:
BLI_assert(0);
select = false;
break;
}
if (select) {
BM_face_select_set(em->bm, efa, true);
}
}
EDBM_selectmode_flush(em);
WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
return OPERATOR_FINISHED;
}
void MESH_OT_select_face_by_sides(wmOperatorType *ot)
{
static const EnumPropertyItem type_items[] = {
{0, "LESS", 0, "Less Than", ""},
{1, "EQUAL", 0, "Equal To", ""},
{2, "GREATER", 0, "Greater Than", ""},
{3, "NOTEQUAL", 0, "Not Equal To", ""},
{0, NULL, 0, NULL, NULL}
};
/* identifiers */
ot->name = "Select Faces by Sides";
ot->description = "Select vertices or faces by the number of polygon sides";
ot->idname = "MESH_OT_select_face_by_sides";
/* api callbacks */
ot->exec = edbm_select_face_by_sides_exec;
ot->poll = ED_operator_editmesh;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* properties */
RNA_def_int(ot->srna, "number", 4, 3, INT_MAX, "Number of Vertices", "", 3, INT_MAX);
RNA_def_enum(ot->srna, "type", type_items, 1, "Type", "Type of comparison to make");
RNA_def_boolean(ot->srna, "extend", true, "Extend", "Extend the selection");
}
static int edbm_select_loose_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
BMesh *bm = em->bm;
BMIter iter;
if (!RNA_boolean_get(op->ptr, "extend"))
EDBM_flag_disable_all(em, BM_ELEM_SELECT);
if (em->selectmode & SCE_SELECT_VERTEX) {
BMVert *eve;
BM_ITER_MESH (eve, &iter, bm, BM_VERTS_OF_MESH) {
if (!eve->e) {
BM_vert_select_set(bm, eve, true);
}
}
}
if (em->selectmode & SCE_SELECT_EDGE) {
BMEdge *eed;
BM_ITER_MESH (eed, &iter, bm, BM_EDGES_OF_MESH) {
if (BM_edge_is_wire(eed)) {
BM_edge_select_set(bm, eed, true);
}
}
}
if (em->selectmode & SCE_SELECT_FACE) {
BMFace *efa;
BM_ITER_MESH (efa, &iter, bm, BM_FACES_OF_MESH) {
BMIter liter;
BMLoop *l;
bool is_loose = true;
BM_ITER_ELEM (l, &liter, efa, BM_LOOPS_OF_FACE) {
if (!BM_edge_is_boundary(l->e)) {
is_loose = false;
break;
}
}
if (is_loose) {
BM_face_select_set(bm, efa, true);
}
}
}
EDBM_selectmode_flush(em);
WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
return OPERATOR_FINISHED;
}
void MESH_OT_select_loose(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Select Loose Geometry";
ot->description = "Select loose geometry based on the selection mode";
ot->idname = "MESH_OT_select_loose";
/* api callbacks */
ot->exec = edbm_select_loose_exec;
ot->poll = ED_operator_editmesh;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* props */
RNA_def_boolean(ot->srna, "extend", false, "Extend", "Extend the selection");
}
static int edbm_select_mirror_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
const int axis_flag = RNA_enum_get(op->ptr, "axis");
const bool extend = RNA_boolean_get(op->ptr, "extend");
if (em->bm->totvert && em->bm->totvertsel) {
int totmirr, totfail;
for (int axis = 0; axis < 3; axis++) {
if ((1 << axis) & axis_flag) {
EDBM_select_mirrored(em, axis, extend, &totmirr, &totfail);
}
}
if (totmirr) {
EDBM_selectmode_flush(em);
WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
}
ED_mesh_report_mirror_ex(op, totmirr, totfail, em->bm->selectmode);
}
return OPERATOR_FINISHED;
}
void MESH_OT_select_mirror(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Select Mirror";
ot->description = "Select mesh items at mirrored locations";
ot->idname = "MESH_OT_select_mirror";
/* api callbacks */
ot->exec = edbm_select_mirror_exec;
ot->poll = ED_operator_editmesh;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* props */
RNA_def_enum_flag(ot->srna, "axis", rna_enum_axis_flag_xyz_items, (1 << 0), "Axis", "");
RNA_def_boolean(ot->srna, "extend", 0, "Extend", "Extend the existing selection");
}
/* ******************** **************** */
static int edbm_select_more_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
const bool use_face_step = RNA_boolean_get(op->ptr, "use_face_step");
EDBM_select_more(em, use_face_step);
WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit);
return OPERATOR_FINISHED;
}
void MESH_OT_select_more(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Select More";
ot->idname = "MESH_OT_select_more";
ot->description = "Select more vertices, edges or faces connected to initial selection";
/* api callbacks */
ot->exec = edbm_select_more_exec;
ot->poll = ED_operator_editmesh;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
RNA_def_boolean(ot->srna, "use_face_step", true, "Face Step", "Connected faces (instead of edges)");
}
static int edbm_select_less_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
const bool use_face_step = RNA_boolean_get(op->ptr, "use_face_step");
EDBM_select_less(em, use_face_step);
WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit);
return OPERATOR_FINISHED;
}
void MESH_OT_select_less(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Select Less";
ot->idname = "MESH_OT_select_less";
ot->description = "Deselect vertices, edges or faces at the boundary of each selection region";
/* api callbacks */
ot->exec = edbm_select_less_exec;
ot->poll = ED_operator_editmesh;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
RNA_def_boolean(ot->srna, "use_face_step", true, "Face Step", "Connected faces (instead of edges)");
}
/**
* Check if we're connected to another selected efge.
*/
static bool bm_edge_is_select_isolated(BMEdge *e)
{
BMIter viter;
BMVert *v;
BM_ITER_ELEM (v, &viter, e, BM_VERTS_OF_EDGE) {
BMIter eiter;
BMEdge *e_other;
BM_ITER_ELEM (e_other, &eiter, v, BM_EDGES_OF_VERT) {
if ((e_other != e) && BM_elem_flag_test(e_other, BM_ELEM_SELECT)) {
return false;
}
}
}
return true;
}
/* Walk all reachable elements of the same type as h_act in breadth-first
* order, starting from h_act. Deselects elements if the depth when they
* are reached is not a multiple of "nth". */
static void walker_deselect_nth(
BMEditMesh *em, const struct CheckerIntervalParams *op_params,
BMHeader *h_act)
{
BMElem *ele;
BMesh *bm = em->bm;
BMWalker walker;
BMIter iter;
int walktype = 0, itertype = 0, flushtype = 0;
short mask_vert = 0, mask_edge = 0, mask_face = 0;
/* No active element from which to start - nothing to do */
if (h_act == NULL) {
return;
}
/* Determine which type of iter, walker, and select flush to use
* based on type of the elements being deselected */
switch (h_act->htype) {
case BM_VERT:
itertype = BM_VERTS_OF_MESH;
walktype = BMW_CONNECTED_VERTEX;
flushtype = SCE_SELECT_VERTEX;
mask_vert = BMO_ELE_TAG;
break;
case BM_EDGE:
/* When an edge has no connected-selected edges,
* use face-stepping (supports edge-rings) */
itertype = BM_EDGES_OF_MESH;
walktype = bm_edge_is_select_isolated((BMEdge *)h_act) ? BMW_FACE_SHELL : BMW_VERT_SHELL;
flushtype = SCE_SELECT_EDGE;
mask_edge = BMO_ELE_TAG;
break;
case BM_FACE:
itertype = BM_FACES_OF_MESH;
walktype = BMW_ISLAND;
flushtype = SCE_SELECT_FACE;
mask_face = BMO_ELE_TAG;
break;
}
/* grr, shouldn't need to alloc BMO flags here */
BM_mesh_elem_toolflags_ensure(bm);
/* Walker restrictions uses BMO flags, not header flags,
* so transfer BM_ELEM_SELECT from HFlags onto a BMO flag layer. */
BMO_push(bm, NULL);
BM_ITER_MESH (ele, &iter, bm, itertype) {
if (BM_elem_flag_test(ele, BM_ELEM_SELECT)) {
BMO_elem_flag_enable(bm, (BMElemF *)ele, BMO_ELE_TAG);
}
}
/* Walk over selected elements starting at active */
BMW_init(&walker, bm, walktype,
mask_vert, mask_edge, mask_face,
BMW_FLAG_NOP, /* don't use BMW_FLAG_TEST_HIDDEN here since we want to desel all */
BMW_NIL_LAY);
/* use tag to avoid touching the same verts twice */
BM_ITER_MESH (ele, &iter, bm, itertype) {
BM_elem_flag_disable(ele, BM_ELEM_TAG);
}
BLI_assert(walker.order == BMW_BREADTH_FIRST);
for (ele = BMW_begin(&walker, h_act); ele != NULL; ele = BMW_step(&walker)) {
if (!BM_elem_flag_test(ele, BM_ELEM_TAG)) {
/* Deselect elements that aren't at "nth" depth from active */
const int depth = BMW_current_depth(&walker) - 1;
if (WM_operator_properties_checker_interval_test(op_params, depth)) {
BM_elem_select_set(bm, ele, false);
}
BM_elem_flag_enable(ele, BM_ELEM_TAG);
}
}
BMW_end(&walker);
BMO_pop(bm);
/* Flush selection up */
EDBM_selectmode_flush_ex(em, flushtype);
}
static void deselect_nth_active(BMEditMesh *em, BMVert **r_eve, BMEdge **r_eed, BMFace **r_efa)
{
BMIter iter;
BMElem *ele;
*r_eve = NULL;
*r_eed = NULL;
*r_efa = NULL;
EDBM_selectmode_flush(em);
ele = BM_mesh_active_elem_get(em->bm);
if (ele && BM_elem_flag_test(ele, BM_ELEM_SELECT)) {
switch (ele->head.htype) {
case BM_VERT:
*r_eve = (BMVert *)ele;
return;
case BM_EDGE:
*r_eed = (BMEdge *)ele;
return;
case BM_FACE:
*r_efa = (BMFace *)ele;
return;
}
}
if (em->selectmode & SCE_SELECT_VERTEX) {
BMVert *v;
BM_ITER_MESH (v, &iter, em->bm, BM_VERTS_OF_MESH) {
if (BM_elem_flag_test(v, BM_ELEM_SELECT)) {
*r_eve = v;
return;
}
}
}
else if (em->selectmode & SCE_SELECT_EDGE) {
BMEdge *e;
BM_ITER_MESH (e, &iter, em->bm, BM_EDGES_OF_MESH) {
if (BM_elem_flag_test(e, BM_ELEM_SELECT)) {
*r_eed = e;
return;
}
}
}
else if (em->selectmode & SCE_SELECT_FACE) {
BMFace *f = BM_mesh_active_face_get(em->bm, true, false);
if (f && BM_elem_flag_test(f, BM_ELEM_SELECT)) {
*r_efa = f;
return;
}
}
}
static bool edbm_deselect_nth(BMEditMesh *em, const struct CheckerIntervalParams *op_params)
{
BMVert *v;
BMEdge *e;
BMFace *f;
deselect_nth_active(em, &v, &e, &f);
if (v) {
walker_deselect_nth(em, op_params, &v->head);
return true;
}
else if (e) {
walker_deselect_nth(em, op_params, &e->head);
return true;
}
else if (f) {
walker_deselect_nth(em, op_params, &f->head);
return true;
}
return false;
}
static int edbm_select_nth_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
struct CheckerIntervalParams op_params;
WM_operator_properties_checker_interval_from_op(op, &op_params);
if (edbm_deselect_nth(em, &op_params) == false) {
BKE_report(op->reports, RPT_ERROR, "Mesh has no active vert/edge/face");
return OPERATOR_CANCELLED;
}
EDBM_update_generic(em, false, false);
return OPERATOR_FINISHED;
}
void MESH_OT_select_nth(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Checker Deselect";
ot->idname = "MESH_OT_select_nth";
ot->description = "Deselect every Nth element starting from the active vertex, edge or face";
/* api callbacks */
ot->exec = edbm_select_nth_exec;
ot->poll = ED_operator_editmesh;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
WM_operator_properties_checker_interval(ot, false);
}
void em_setup_viewcontext(bContext *C, ViewContext *vc)
{
view3d_set_viewcontext(C, vc);
if (vc->obedit) {
vc->em = BKE_editmesh_from_object(vc->obedit);
}
}
static int edbm_select_sharp_edges_exec(bContext *C, wmOperator *op)
{
/* Find edges that have exactly two neighboring faces,
* check the angle between those faces, and if angle is
* small enough, select the edge
*/
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
BMIter iter;
BMEdge *e;
BMLoop *l1, *l2;
const float angle_limit_cos = cosf(RNA_float_get(op->ptr, "sharpness"));
BM_ITER_MESH (e, &iter, em->bm, BM_EDGES_OF_MESH) {
if (BM_elem_flag_test(e, BM_ELEM_HIDDEN) == false &&
BM_edge_loop_pair(e, &l1, &l2))
{
/* edge has exactly two neighboring faces, check angle */
const float angle_cos = dot_v3v3(l1->f->no, l2->f->no);
if (angle_cos < angle_limit_cos) {
BM_edge_select_set(em->bm, e, true);
}
}
}
WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
return OPERATOR_FINISHED;
}
void MESH_OT_edges_select_sharp(wmOperatorType *ot)
{
PropertyRNA *prop;
/* identifiers */
ot->name = "Select Sharp Edges";
ot->description = "Select all sharp-enough edges";
ot->idname = "MESH_OT_edges_select_sharp";
/* api callbacks */
ot->exec = edbm_select_sharp_edges_exec;
ot->poll = ED_operator_editmesh;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* props */
prop = RNA_def_float_rotation(ot->srna, "sharpness", 0, NULL, DEG2RADF(0.01f), DEG2RADF(180.0f),
"Sharpness", "", DEG2RADF(1.0f), DEG2RADF(180.0f));
RNA_def_property_float_default(prop, DEG2RADF(30.0f));
}
static int edbm_select_linked_flat_faces_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
BMesh *bm = em->bm;
BLI_LINKSTACK_DECLARE(stack, BMFace *);
BMIter iter, liter, liter2;
BMFace *f;
BMLoop *l, *l2;
const float angle_limit_cos = cosf(RNA_float_get(op->ptr, "sharpness"));
BM_mesh_elem_hflag_disable_all(bm, BM_FACE, BM_ELEM_TAG, false);
BLI_LINKSTACK_INIT(stack);
BM_ITER_MESH (f, &iter, bm, BM_FACES_OF_MESH) {
if ((BM_elem_flag_test(f, BM_ELEM_HIDDEN) != 0) ||
(BM_elem_flag_test(f, BM_ELEM_TAG) != 0) ||
(BM_elem_flag_test(f, BM_ELEM_SELECT) == 0))
{
continue;
}
BLI_assert(BLI_LINKSTACK_SIZE(stack) == 0);
do {
BM_face_select_set(bm, f, true);
BM_elem_flag_enable(f, BM_ELEM_TAG);
BM_ITER_ELEM (l, &liter, f, BM_LOOPS_OF_FACE) {
BM_ITER_ELEM (l2, &liter2, l, BM_LOOPS_OF_LOOP) {
float angle_cos;
if (BM_elem_flag_test(l2->f, BM_ELEM_TAG) ||
BM_elem_flag_test(l2->f, BM_ELEM_HIDDEN))
{
continue;
}
angle_cos = dot_v3v3(f->no, l2->f->no);
if (angle_cos > angle_limit_cos) {
BLI_LINKSTACK_PUSH(stack, l2->f);
}
}
}
} while ((f = BLI_LINKSTACK_POP(stack)));
}
BLI_LINKSTACK_FREE(stack);
WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
return OPERATOR_FINISHED;
}
void MESH_OT_faces_select_linked_flat(wmOperatorType *ot)
{
PropertyRNA *prop;
/* identifiers */
ot->name = "Select Linked Flat Faces";
ot->description = "Select linked faces by angle";
ot->idname = "MESH_OT_faces_select_linked_flat";
/* api callbacks */
ot->exec = edbm_select_linked_flat_faces_exec;
ot->poll = ED_operator_editmesh;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* props */
prop = RNA_def_float_rotation(ot->srna, "sharpness", 0, NULL, DEG2RADF(0.01f), DEG2RADF(180.0f),
"Sharpness", "", DEG2RADF(1.0f), DEG2RADF(180.0f));
RNA_def_property_float_default(prop, DEG2RADF(1.0f));
}
static int edbm_select_non_manifold_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
BMVert *v;
BMEdge *e;
BMIter iter;
const bool use_wire = RNA_boolean_get(op->ptr, "use_wire");
const bool use_boundary = RNA_boolean_get(op->ptr, "use_boundary");
const bool use_multi_face = RNA_boolean_get(op->ptr, "use_multi_face");
const bool use_non_contiguous = RNA_boolean_get(op->ptr, "use_non_contiguous");
const bool use_verts = RNA_boolean_get(op->ptr, "use_verts");
if (!RNA_boolean_get(op->ptr, "extend"))
EDBM_flag_disable_all(em, BM_ELEM_SELECT);
/* Selects isolated verts, and edges that do not have 2 neighboring
* faces
*/
if (em->selectmode == SCE_SELECT_FACE) {
BKE_report(op->reports, RPT_ERROR, "Does not work in face selection mode");
return OPERATOR_CANCELLED;
}
if (use_verts) {
BM_ITER_MESH (v, &iter, em->bm, BM_VERTS_OF_MESH) {
if (!BM_elem_flag_test(v, BM_ELEM_HIDDEN)) {
if (!BM_vert_is_manifold(v)) {
BM_vert_select_set(em->bm, v, true);
}
}
}
}
if (use_wire || use_boundary || use_multi_face || use_non_contiguous) {
BM_ITER_MESH (e, &iter, em->bm, BM_EDGES_OF_MESH) {
if (!BM_elem_flag_test(e, BM_ELEM_HIDDEN)) {
if ((use_wire && BM_edge_is_wire(e)) ||
(use_boundary && BM_edge_is_boundary(e)) ||
(use_non_contiguous && (BM_edge_is_manifold(e) && !BM_edge_is_contiguous(e))) ||
(use_multi_face && (BM_edge_face_count_is_over(e, 2))))
{
/* check we never select perfect edge (in test above) */
BLI_assert(!(BM_edge_is_manifold(e) && BM_edge_is_contiguous(e)));
BM_edge_select_set(em->bm, e, true);
}
}
}
}
WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
EDBM_selectmode_flush(em);
return OPERATOR_FINISHED;
}
void MESH_OT_select_non_manifold(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Select Non Manifold";
ot->description = "Select all non-manifold vertices or edges";
ot->idname = "MESH_OT_select_non_manifold";
/* api callbacks */
ot->exec = edbm_select_non_manifold_exec;
ot->poll = ED_operator_editmesh;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* props */
RNA_def_boolean(ot->srna, "extend", true, "Extend", "Extend the selection");
/* edges */
RNA_def_boolean(ot->srna, "use_wire", true, "Wire",
"Wire edges");
RNA_def_boolean(ot->srna, "use_boundary", true, "Boundaries",
"Boundary edges");
RNA_def_boolean(ot->srna, "use_multi_face", true,
"Multiple Faces", "Edges shared by 3+ faces");
RNA_def_boolean(ot->srna, "use_non_contiguous", true, "Non Contiguous",
"Edges between faces pointing in alternate directions");
/* verts */
RNA_def_boolean(ot->srna, "use_verts", true, "Vertices",
"Vertices connecting multiple face regions");
}
static int edbm_select_random_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
const bool select = (RNA_enum_get(op->ptr, "action") == SEL_SELECT);
const float randfac = RNA_float_get(op->ptr, "percent") / 100.0f;
const int seed = WM_operator_properties_select_random_seed_increment_get(op);
BMIter iter;
RNG *rng = BLI_rng_new_srandom(seed);
if (em->selectmode & SCE_SELECT_VERTEX) {
BMVert *eve;
BM_ITER_MESH (eve, &iter, em->bm, BM_VERTS_OF_MESH) {
if (!BM_elem_flag_test(eve, BM_ELEM_HIDDEN) && BLI_rng_get_float(rng) < randfac) {
BM_vert_select_set(em->bm, eve, select);
}
}
}
else if (em->selectmode & SCE_SELECT_EDGE) {
BMEdge *eed;
BM_ITER_MESH (eed, &iter, em->bm, BM_EDGES_OF_MESH) {
if (!BM_elem_flag_test(eed, BM_ELEM_HIDDEN) && BLI_rng_get_float(rng) < randfac) {
BM_edge_select_set(em->bm, eed, select);
}
}
}
else {
BMFace *efa;
BM_ITER_MESH (efa, &iter, em->bm, BM_FACES_OF_MESH) {
if (!BM_elem_flag_test(efa, BM_ELEM_HIDDEN) && BLI_rng_get_float(rng) < randfac) {
BM_face_select_set(em->bm, efa, select);
}
}
}
BLI_rng_free(rng);
if (select) {
/* was EDBM_select_flush, but it over select in edge/face mode */
EDBM_selectmode_flush(em);
}
else {
EDBM_deselect_flush(em);
}
WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
return OPERATOR_FINISHED;
}
void MESH_OT_select_random(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Select Random";
ot->description = "Randomly select vertices";
ot->idname = "MESH_OT_select_random";
/* api callbacks */
ot->exec = edbm_select_random_exec;
ot->poll = ED_operator_editmesh;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* props */
WM_operator_properties_select_random(ot);
}
static int edbm_select_ungrouped_poll(bContext *C)
{
if (ED_operator_editmesh(C)) {
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
const int cd_dvert_offset = CustomData_get_offset(&em->bm->vdata, CD_MDEFORMVERT);
if ((em->selectmode & SCE_SELECT_VERTEX) == 0) {
CTX_wm_operator_poll_msg_set(C, "Must be in vertex selection mode");
}
else if (BLI_listbase_is_empty(&obedit->defbase) || cd_dvert_offset == -1) {
CTX_wm_operator_poll_msg_set(C, "No weights/vertex groups on object");
}
else {
return true;
}
}
return false;
}
static int edbm_select_ungrouped_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
const int cd_dvert_offset = CustomData_get_offset(&em->bm->vdata, CD_MDEFORMVERT);
BMVert *eve;
BMIter iter;
if (!RNA_boolean_get(op->ptr, "extend")) {
EDBM_flag_disable_all(em, BM_ELEM_SELECT);
}
BM_ITER_MESH (eve, &iter, em->bm, BM_VERTS_OF_MESH) {
if (!BM_elem_flag_test(eve, BM_ELEM_HIDDEN)) {
MDeformVert *dv = BM_ELEM_CD_GET_VOID_P(eve, cd_dvert_offset);
/* no dv or dv set with no weight */
if (ELEM(NULL, dv, dv->dw)) {
BM_vert_select_set(em->bm, eve, true);
}
}
}
EDBM_selectmode_flush(em);
WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
return OPERATOR_FINISHED;
}
void MESH_OT_select_ungrouped(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Select Ungrouped";
ot->idname = "MESH_OT_select_ungrouped";
ot->description = "Select vertices without a group";
/* api callbacks */
ot->exec = edbm_select_ungrouped_exec;
ot->poll = edbm_select_ungrouped_poll;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
RNA_def_boolean(ot->srna, "extend", false, "Extend", "Extend the selection");
}
/* BMESH_TODO - some way to select on an arbitrary axis */
static int edbm_select_axis_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
BMesh *bm = em->bm;
BMVert *v_act = BM_mesh_active_vert_get(bm);
const int axis = RNA_enum_get(op->ptr, "axis");
const int mode = RNA_enum_get(op->ptr, "mode"); /* -1 == aligned, 0 == neg, 1 == pos */
if (v_act == NULL) {
BKE_report(op->reports, RPT_WARNING, "This operator requires an active vertex (last selected)");
return OPERATOR_CANCELLED;
}
else {
BMVert *v;
BMIter iter;
const float limit = RNA_float_get(op->ptr, "threshold");
float value = v_act->co[axis];
if (mode == 0)
value -= limit;
else if (mode == 1)
value += limit;
BM_ITER_MESH (v, &iter, bm, BM_VERTS_OF_MESH) {
if (!BM_elem_flag_test(v, BM_ELEM_HIDDEN)) {
switch (mode) {
case -1: /* aligned */
if (fabsf(v->co[axis] - value) < limit)
BM_vert_select_set(bm, v, true);
break;
case 0: /* neg */
if (v->co[axis] > value)
BM_vert_select_set(bm, v, true);
break;
case 1: /* pos */
if (v->co[axis] < value)
BM_vert_select_set(bm, v, true);
break;
}
}
}
}
EDBM_selectmode_flush(em);
WM_event_add_notifier(C, NC_GEOM | ND_DATA, obedit->data);
return OPERATOR_FINISHED;
}
void MESH_OT_select_axis(wmOperatorType *ot)
{
static EnumPropertyItem axis_mode_items[] = {
{0, "POSITIVE", 0, "Positive Axis", ""},
{1, "NEGATIVE", 0, "Negative Axis", ""},
{-1, "ALIGNED", 0, "Aligned Axis", ""},
{0, NULL, 0, NULL, NULL}
};
static EnumPropertyItem axis_items_xyz[] = {
{0, "X_AXIS", 0, "X Axis", ""},
{1, "Y_AXIS", 0, "Y Axis", ""},
{2, "Z_AXIS", 0, "Z Axis", ""},
{0, NULL, 0, NULL, NULL}
};
/* identifiers */
ot->name = "Select Axis";
ot->description = "Select all data in the mesh on a single axis";
ot->idname = "MESH_OT_select_axis";
/* api callbacks */
ot->exec = edbm_select_axis_exec;
ot->poll = ED_operator_editmesh;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* properties */
RNA_def_enum(ot->srna, "mode", axis_mode_items, 0, "Axis Mode", "Axis side to use when selecting");
RNA_def_enum(ot->srna, "axis", axis_items_xyz, 0, "Axis", "Select the axis to compare each vertex on");
RNA_def_float(ot->srna, "threshold", 0.0001f, 0.000001f, 50.0f, "Threshold", "", 0.00001f, 10.0f);
}
static int edbm_region_to_loop_exec(bContext *C, wmOperator *UNUSED(op))
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
BMFace *f;
BMEdge *e;
BMIter iter;
BM_mesh_elem_hflag_disable_all(em->bm, BM_EDGE, BM_ELEM_TAG, false);
BM_ITER_MESH (f, &iter, em->bm, BM_FACES_OF_MESH) {
BMLoop *l1, *l2;
BMIter liter1, liter2;
BM_ITER_ELEM (l1, &liter1, f, BM_LOOPS_OF_FACE) {
int tot = 0, totsel = 0;
BM_ITER_ELEM (l2, &liter2, l1->e, BM_LOOPS_OF_EDGE) {
tot++;
totsel += BM_elem_flag_test(l2->f, BM_ELEM_SELECT) != 0;
}
if ((tot != totsel && totsel > 0) || (totsel == 1 && tot == 1))
BM_elem_flag_enable(l1->e, BM_ELEM_TAG);
}
}
EDBM_flag_disable_all(em, BM_ELEM_SELECT);
BM_ITER_MESH (e, &iter, em->bm, BM_EDGES_OF_MESH) {
if (BM_elem_flag_test(e, BM_ELEM_TAG)) {
BM_edge_select_set(em->bm, e, true);
}
}
/* If in face-only select mode, switch to edge select mode so that
* an edge-only selection is not inconsistent state */
if (em->selectmode == SCE_SELECT_FACE) {
em->selectmode = SCE_SELECT_EDGE;
EDBM_selectmode_set(em);
EDBM_selectmode_to_scene(C);
}
WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
return OPERATOR_FINISHED;
}
void MESH_OT_region_to_loop(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Select Boundary Loop";
ot->idname = "MESH_OT_region_to_loop";
ot->description = "Select boundary edges around the selected faces";
/* api callbacks */
ot->exec = edbm_region_to_loop_exec;
ot->poll = ED_operator_editmesh;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
static int loop_find_region(BMLoop *l, int flag,
GSet *visit_face_set, BMFace ***region_out)
{
BMFace **region = NULL;
BMFace **stack = NULL;
BLI_array_declare(region);
BLI_array_declare(stack);
BMFace *f;
BLI_array_append(stack, l->f);
BLI_gset_insert(visit_face_set, l->f);
while (BLI_array_count(stack) > 0) {
BMIter liter1, liter2;
BMLoop *l1, *l2;
f = BLI_array_pop(stack);
BLI_array_append(region, f);
BM_ITER_ELEM (l1, &liter1, f, BM_LOOPS_OF_FACE) {
if (BM_elem_flag_test(l1->e, flag))
continue;
BM_ITER_ELEM (l2, &liter2, l1->e, BM_LOOPS_OF_EDGE) {
/* avoids finding same region twice
* (otherwise) the logic works fine without */
if (BM_elem_flag_test(l2->f, BM_ELEM_TAG)) {
continue;
}
if (BLI_gset_add(visit_face_set, l2->f)) {
BLI_array_append(stack, l2->f);
}
}
}
}
BLI_array_free(stack);
*region_out = region;
return BLI_array_count(region);
}
static int verg_radial(const void *va, const void *vb)
{
const BMEdge *e_a = *((const BMEdge **)va);
const BMEdge *e_b = *((const BMEdge **)vb);
int a, b;
a = BM_edge_face_count(e_a);
b = BM_edge_face_count(e_b);
if (a > b) return -1;
if (a < b) return 1;
return 0;
}
/**
* This function leaves faces tagged which are apart of the new region.
*
* \note faces already tagged are ignored, to avoid finding the same regions twice:
* important when we have regions with equal face counts, see: T40309
*/
static int loop_find_regions(BMEditMesh *em, const bool selbigger)
{
GSet *visit_face_set;
BMIter iter;
const int edges_len = em->bm->totedgesel;
BMEdge *e, **edges;
int count = 0, i;
visit_face_set = BLI_gset_ptr_new_ex(__func__, edges_len);
edges = MEM_mallocN(sizeof(*edges) * edges_len, __func__);
i = 0;
BM_ITER_MESH (e, &iter, em->bm, BM_EDGES_OF_MESH) {
if (BM_elem_flag_test(e, BM_ELEM_SELECT)) {
edges[i++] = e;
BM_elem_flag_enable(e, BM_ELEM_TAG);
}
else {
BM_elem_flag_disable(e, BM_ELEM_TAG);
}
}
/* sort edges by radial cycle length */
qsort(edges, edges_len, sizeof(*edges), verg_radial);
for (i = 0; i < edges_len; i++) {
BMIter liter;
BMLoop *l;
BMFace **region = NULL, **region_out;
int c, tot = 0;
e = edges[i];
if (!BM_elem_flag_test(e, BM_ELEM_TAG))
continue;
BM_ITER_ELEM (l, &liter, e, BM_LOOPS_OF_EDGE) {
if (BLI_gset_haskey(visit_face_set, l->f))
continue;
c = loop_find_region(l, BM_ELEM_SELECT, visit_face_set, &region_out);
if (!region || (selbigger ? c >= tot : c < tot)) {
/* this region is the best seen so far */
tot = c;
if (region) {
/* free the previous best */
MEM_freeN(region);
}
/* track the current region as the new best */
region = region_out;
}
else {
/* this region is not as good as best so far, just free it */
MEM_freeN(region_out);
}
}
if (region) {
int j;
for (j = 0; j < tot; j++) {
BM_elem_flag_enable(region[j], BM_ELEM_TAG);
BM_ITER_ELEM (l, &liter, region[j], BM_LOOPS_OF_FACE) {
BM_elem_flag_disable(l->e, BM_ELEM_TAG);
}
}
count += tot;
MEM_freeN(region);
}
}
MEM_freeN(edges);
BLI_gset_free(visit_face_set, NULL);
return count;
}
static int edbm_loop_to_region_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
BMIter iter;
BMFace *f;
const bool select_bigger = RNA_boolean_get(op->ptr, "select_bigger");
int a, b;
/* find the set of regions with smallest number of total faces */
BM_mesh_elem_hflag_disable_all(em->bm, BM_FACE, BM_ELEM_TAG, false);
a = loop_find_regions(em, select_bigger);
b = loop_find_regions(em, !select_bigger);
BM_mesh_elem_hflag_disable_all(em->bm, BM_FACE, BM_ELEM_TAG, false);
loop_find_regions(em, ((a <= b) != select_bigger) ? select_bigger : !select_bigger);
EDBM_flag_disable_all(em, BM_ELEM_SELECT);
BM_ITER_MESH (f, &iter, em->bm, BM_FACES_OF_MESH) {
if (BM_elem_flag_test(f, BM_ELEM_TAG) && !BM_elem_flag_test(f, BM_ELEM_HIDDEN)) {
BM_face_select_set(em->bm, f, true);
}
}
EDBM_selectmode_flush(em);
WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
return OPERATOR_FINISHED;
}
void MESH_OT_loop_to_region(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Select Loop Inner-Region";
ot->idname = "MESH_OT_loop_to_region";
ot->description = "Select region of faces inside of a selected loop of edges";
/* api callbacks */
ot->exec = edbm_loop_to_region_exec;
ot->poll = ED_operator_editmesh;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
RNA_def_boolean(ot->srna, "select_bigger", 0, "Select Bigger", "Select bigger regions instead of smaller ones");
}
/************************ Select Path Operator *************************/
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