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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_blenlib.h"
#include "BLI_math.h"
#include "BLI_rand.h"
#include "BLI_array.h"
#include "BLI_smallhash.h"
#include "BLI_heap.h"
#include "BKE_context.h"
#include "BKE_displist.h"
#include "BKE_report.h"
#include "BKE_paint.h"
#include "BKE_mesh.h"
#include "BKE_tessmesh.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 "ED_mesh.h"
#include "ED_screen.h"
#include "ED_uvedit.h"
#include "ED_view3d.h"
#include "BIF_gl.h"
#include "DNA_scene_types.h"
#include "DNA_object_types.h"
#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "GPU_extensions.h"
#include "mesh_intern.h"
#include "UI_resources.h"
/* ****************************** MIRROR **************** */
void EDBM_select_mirrored(Object *UNUSED(obedit), BMEditMesh *em, bool extend)
{
BMVert *v1, *v2;
BMIter iter;
BM_ITER_MESH (v1, &iter, em->bm, BM_VERTS_OF_MESH) {
if (!BM_elem_flag_test(v1, BM_ELEM_SELECT) || BM_elem_flag_test(v1, BM_ELEM_HIDDEN)) {
BM_elem_flag_disable(v1, BM_ELEM_TAG);
}
else {
BM_elem_flag_enable(v1, BM_ELEM_TAG);
}
}
EDBM_verts_mirror_cache_begin(em, true);
if (!extend)
EDBM_flag_disable_all(em, BM_ELEM_SELECT);
BM_ITER_MESH (v1, &iter, em->bm, BM_VERTS_OF_MESH) {
if (!BM_elem_flag_test(v1, BM_ELEM_TAG) || BM_elem_flag_test(v1, BM_ELEM_HIDDEN))
continue;
v2 = EDBM_verts_mirror_get(em, v1);
if (v2 && !BM_elem_flag_test(v2, BM_ELEM_HIDDEN)) {
BM_vert_select_set(em->bm, v2, true);
}
}
EDBM_verts_mirror_cache_end(em);
}
void EDBM_automerge(Scene *scene, Object *obedit, int update)
{
if ((scene->toolsettings->automerge) &&
(obedit && obedit->type == OB_MESH))
{
int ok;
BMEditMesh *em = BMEdit_FromObject(obedit);
if (!em) {
return;
}
ok = BMO_op_callf(em->bm, BMO_FLAG_DEFAULTS,
"automerge verts=%hv dist=%f",
BM_ELEM_SELECT, 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 char *selbuf = NULL;
/* opengl doesn't support concave... */
static void draw_triangulated(const int mcords[][2], const short tot)
{
ListBase lb = {NULL, NULL};
DispList *dl;
float *fp;
int a;
/* make displist */
dl = MEM_callocN(sizeof(DispList), "poly disp");
dl->type = DL_POLY;
dl->parts = 1;
dl->nr = tot;
dl->verts = fp = MEM_callocN(tot * 3 * sizeof(float), "poly verts");
BLI_addtail(&lb, dl);
for (a = 0; a < tot; a++, fp += 3) {
fp[0] = (float)mcords[a][0];
fp[1] = (float)mcords[a][1];
}
/* do the fill */
BKE_displist_fill(&lb, &lb, 0);
/* do the draw */
dl = lb.first; /* filldisplist adds in head of list */
if (dl->type == DL_INDEX3) {
int *index;
a = dl->parts;
fp = dl->verts;
index = dl->index;
glBegin(GL_TRIANGLES);
while (a--) {
glVertex3fv(fp + 3 * index[0]);
glVertex3fv(fp + 3 * index[1]);
glVertex3fv(fp + 3 * index[2]);
index += 3;
}
glEnd();
}
BKE_displist_free(&lb);
}
/* 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 || vc->v3d->drawtype < OB_SOLID || (vc->v3d->flag & V3D_ZBUF_SELECT) == 0) {
return false;
}
buf = view3d_read_backbuf(vc, xmin, ymin, xmax, ymax);
if (buf == NULL) return false;
if (bm_vertoffs == 0) return false;
dr = buf->rect;
/* build selection lookup */
selbuf = MEM_callocN(bm_vertoffs + 1, "selbuf");
a = (xmax - xmin + 1) * (ymax - ymin + 1);
while (a--) {
if (*dr > 0 && *dr <= bm_vertoffs)
selbuf[*dr] = 1;
dr++;
}
IMB_freeImBuf(buf);
return true;
}
int EDBM_backbuf_check(unsigned int index)
{
if (selbuf == NULL) return 1;
if (index > 0 && index <= bm_vertoffs)
return selbuf[index];
return 0;
}
void EDBM_backbuf_free(void)
{
if (selbuf) MEM_freeN(selbuf);
selbuf = NULL;
}
/* 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, *drm;
struct ImBuf *buf, *bufmask;
int a;
/* method in use for face selecting too */
if (vc->obedit == NULL) {
if (!(paint_facesel_test(vc->obact) || paint_vertsel_test(vc->obact))) {
return false;
}
}
else if (vc->v3d->drawtype < OB_SOLID || (vc->v3d->flag & V3D_ZBUF_SELECT) == 0) {
return false;
}
buf = view3d_read_backbuf(vc, xmin, ymin, xmax, ymax);
if (buf == NULL) return false;
if (bm_vertoffs == 0) return false;
dr = buf->rect;
if (vc->rv3d->gpuoffscreen)
GPU_offscreen_bind(vc->rv3d->gpuoffscreen);
/* draw the mask */
glDisable(GL_DEPTH_TEST);
glColor3ub(0, 0, 0);
/* yah, opengl doesn't do concave... tsk! */
ED_region_pixelspace(vc->ar);
draw_triangulated(mcords, tot);
glBegin(GL_LINE_LOOP); /* for zero sized masks, lines */
for (a = 0; a < tot; a++) {
glVertex2iv(mcords[a]);
}
glEnd();
glFinish(); /* to be sure readpixels sees mask */
if (vc->rv3d->gpuoffscreen)
GPU_offscreen_unbind(vc->rv3d->gpuoffscreen);
/* grab mask */
bufmask = view3d_read_backbuf(vc, xmin, ymin, xmax, ymax);
if (bufmask == NULL) {
return false; /* only when mem alloc fails, go crash somewhere else! */
}
else {
drm = bufmask->rect;
}
/* build selection lookup */
selbuf = MEM_callocN(bm_vertoffs + 1, "selbuf");
a = (xmax - xmin + 1) * (ymax - ymin + 1);
while (a--) {
if (*dr > 0 && *dr <= bm_vertoffs && *drm == 0) selbuf[*dr] = 1;
dr++; drm++;
}
IMB_freeImBuf(buf);
IMB_freeImBuf(bufmask);
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 (!(paint_facesel_test(vc->obact) || paint_vertsel_test(vc->obact))) {
return false;
}
}
else if (vc->v3d->drawtype < OB_SOLID || (vc->v3d->flag & V3D_ZBUF_SELECT) == 0) {
return false;
}
xmin = xs - rads; xmax = xs + rads;
ymin = ys - rads; ymax = ys + rads;
buf = view3d_read_backbuf(vc, xmin, ymin, xmax, ymax);
if (bm_vertoffs == 0) return false;
if (buf == NULL) return false;
dr = buf->rect;
/* build selection lookup */
selbuf = MEM_callocN(bm_vertoffs + 1, "selbuf");
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) selbuf[*dr] = 1;
}
}
}
IMB_freeImBuf(buf);
return true;
}
static void findnearestvert__doClosest(void *userData, BMVert *eve, const float screen_co[2], int index)
{
struct { float mval_fl[2], pass, select, strict; float dist, lastIndex, closestIndex; BMVert *closest; } *data = userData;
if (data->pass == 0) {
if (index <= data->lastIndex)
return;
}
else {
if (index > data->lastIndex)
return;
}
if (data->dist > 3) {
float dist_test = len_manhattan_v2v2(data->mval_fl, screen_co);
if (BM_elem_flag_test(eve, BM_ELEM_SELECT) == data->select) {
if (data->strict == 1) {
return;
}
else {
dist_test += 5;
}
}
if (dist_test < data->dist) {
data->dist = dist_test;
data->closest = eve;
data->closestIndex = index;
}
}
}
static unsigned int findnearestvert__backbufIndextest(void *handle, unsigned int index)
{
BMEditMesh *em = (BMEditMesh *)handle;
BMVert *eve = BM_vert_at_index(em->bm, index - 1);
if (eve && BM_elem_flag_test(eve, BM_ELEM_SELECT)) return 0;
return 1;
}
/**
* findnearestvert
*
* dist (in/out): minimal distance to the nearest and at the end, actual distance
* sel: selection bias
* if SELECT, selected vertice are given a 5 pixel bias to make them further than unselect verts
* if 0, unselected vertice are given the bias
* strict: if 1, the vertice corresponding to the sel parameter are ignored and not just biased
*/
BMVert *EDBM_vert_find_nearest(ViewContext *vc, float *r_dist, const bool sel, const bool strict)
{
if (vc->v3d->drawtype > OB_WIRE && (vc->v3d->flag & V3D_ZBUF_SELECT)) {
float distance;
unsigned int index;
BMVert *eve;
if (strict) {
index = view3d_sample_backbuf_rect(vc, vc->mval, 50, bm_wireoffs, 0xFFFFFF, &distance,
strict, vc->em, findnearestvert__backbufIndextest);
}
else {
index = view3d_sample_backbuf_rect(vc, vc->mval, 50, bm_wireoffs, 0xFFFFFF, &distance,
0, NULL, NULL);
}
eve = BM_vert_at_index(vc->em->bm, index - 1);
if (eve && distance < *r_dist) {
*r_dist = distance;
return eve;
}
else {
return NULL;
}
}
else {
struct { float mval_fl[2], pass, select, strict; float dist, lastIndex, closestIndex; BMVert *closest; } data;
static int lastSelectedIndex = 0;
static BMVert *lastSelected = NULL;
if (lastSelected && BM_vert_at_index(vc->em->bm, lastSelectedIndex) != lastSelected) {
lastSelectedIndex = 0;
lastSelected = NULL;
}
data.lastIndex = lastSelectedIndex;
data.mval_fl[0] = vc->mval[0];
data.mval_fl[1] = vc->mval[1];
data.select = sel ? BM_ELEM_SELECT : 0;
data.dist = *r_dist;
data.strict = strict;
data.closest = NULL;
data.closestIndex = 0;
data.pass = 0;
ED_view3d_init_mats_rv3d(vc->obedit, vc->rv3d);
mesh_foreachScreenVert(vc, findnearestvert__doClosest, &data, V3D_PROJ_TEST_CLIP_DEFAULT);
if (data.dist > 3) {
data.pass = 1;
mesh_foreachScreenVert(vc, findnearestvert__doClosest, &data, V3D_PROJ_TEST_CLIP_DEFAULT);
}
*r_dist = data.dist;
lastSelected = data.closest;
lastSelectedIndex = data.closestIndex;
return data.closest;
}
}
/* note; uses v3d, so needs active 3d window */
static void findnearestedge__doClosest(void *userData, BMEdge *eed, const float screen_co_a[2], const float screen_co_b[2], int UNUSED(index))
{
struct { ViewContext vc; float mval_fl[2]; float dist; BMEdge *closest; } *data = userData;
int distance;
distance = dist_to_line_segment_v2(data->mval_fl, screen_co_a, screen_co_b);
if (BM_elem_flag_test(eed, BM_ELEM_SELECT)) {
distance += 5;
}
if (distance < data->dist) {
if (data->vc.rv3d->rflag & RV3D_CLIPPING) {
float lambda = line_point_factor_v2(data->mval_fl, screen_co_a, screen_co_b);
float vec[3];
vec[0] = eed->v1->co[0] + lambda * (eed->v2->co[0] - eed->v1->co[0]);
vec[1] = eed->v1->co[1] + lambda * (eed->v2->co[1] - eed->v1->co[1]);
vec[2] = eed->v1->co[2] + lambda * (eed->v2->co[2] - eed->v1->co[2]);
if (ED_view3d_clipping_test(data->vc.rv3d, vec, true) == 0) {
data->dist = distance;
data->closest = eed;
}
}
else {
data->dist = distance;
data->closest = eed;
}
}
}
BMEdge *EDBM_edge_find_nearest(ViewContext *vc, float *r_dist)
{
if (vc->v3d->drawtype > OB_WIRE && (vc->v3d->flag & V3D_ZBUF_SELECT)) {
float distance;
unsigned int index;
BMEdge *eed;
view3d_validate_backbuf(vc);
index = view3d_sample_backbuf_rect(vc, vc->mval, 50, bm_solidoffs, bm_wireoffs, &distance, 0, NULL, NULL);
eed = BM_edge_at_index(vc->em->bm, index - 1);
if (eed && distance < *r_dist) {
*r_dist = distance;
return eed;
}
else {
return NULL;
}
}
else {
struct { ViewContext vc; float mval_fl[2]; float dist; BMEdge *closest; } data;
data.vc = *vc;
data.mval_fl[0] = vc->mval[0];
data.mval_fl[1] = vc->mval[1];
data.dist = *r_dist;
data.closest = NULL;
ED_view3d_init_mats_rv3d(vc->obedit, vc->rv3d);
mesh_foreachScreenEdge(vc, findnearestedge__doClosest, &data, V3D_PROJ_TEST_CLIP_WIN);
*r_dist = data.dist;
return data.closest;
}
}
static void findnearestface__getDistance(void *userData, BMFace *efa, const float screen_co[2], int UNUSED(index))
{
struct { float mval_fl[2]; float dist; BMFace *toFace; } *data = userData;
if (efa == data->toFace) {
const float dist_test = len_manhattan_v2v2(data->mval_fl, screen_co);
if (dist_test < data->dist) {
data->dist = dist_test;
}
}
}
static void findnearestface__doClosest(void *userData, BMFace *efa, const float screen_co[2], int index)
{
struct { float mval_fl[2], pass; float dist, lastIndex, closestIndex; BMFace *closest; } *data = userData;
if (data->pass == 0) {
if (index <= data->lastIndex)
return;
}
else {
if (index > data->lastIndex)
return;
}
if (data->dist > 3) {
const float dist_test = len_manhattan_v2v2(data->mval_fl, screen_co);
if (dist_test < data->dist) {
data->dist = dist_test;
data->closest = efa;
data->closestIndex = index;
}
}
}
BMFace *EDBM_face_find_nearest(ViewContext *vc, float *r_dist)
{
if (vc->v3d->drawtype > OB_WIRE && (vc->v3d->flag & V3D_ZBUF_SELECT)) {
unsigned int index;
BMFace *efa;
view3d_validate_backbuf(vc);
index = view3d_sample_backbuf(vc, vc->mval[0], vc->mval[1]);
efa = BM_face_at_index(vc->em->bm, index - 1);
if (efa) {
struct { float mval_fl[2]; float dist; BMFace *toFace; } data;
data.mval_fl[0] = vc->mval[0];
data.mval_fl[1] = vc->mval[1];
data.dist = FLT_MAX;
data.toFace = efa;
mesh_foreachScreenFace(vc, findnearestface__getDistance, &data, V3D_PROJ_TEST_CLIP_DEFAULT);
if ((vc->em->selectmode == SCE_SELECT_FACE) || (data.dist < *r_dist)) { /* only faces, no dist check */
*r_dist = data.dist;
return efa;
}
}
return NULL;
}
else {
struct { float mval_fl[2], pass; float dist, lastIndex, closestIndex; BMFace *closest; } data;
static int lastSelectedIndex = 0;
static BMFace *lastSelected = NULL;
if (lastSelected && BM_face_at_index(vc->em->bm, lastSelectedIndex) != lastSelected) {
lastSelectedIndex = 0;
lastSelected = NULL;
}
data.lastIndex = lastSelectedIndex;
data.mval_fl[0] = vc->mval[0];
data.mval_fl[1] = vc->mval[1];
data.dist = *r_dist;
data.closest = NULL;
data.closestIndex = 0;
ED_view3d_init_mats_rv3d(vc->obedit, vc->rv3d);
data.pass = 0;
mesh_foreachScreenFace(vc, findnearestface__doClosest, &data, V3D_PROJ_TEST_CLIP_DEFAULT);
if (data.dist > 3.0f) {
data.pass = 1;
ED_view3d_init_mats_rv3d(vc->obedit, vc->rv3d);
mesh_foreachScreenFace(vc, findnearestface__doClosest, &data, V3D_PROJ_TEST_CLIP_DEFAULT);
}
*r_dist = data.dist;
lastSelected = data.closest;
lastSelectedIndex = data.closestIndex;
return data.closest;
}
}
/* 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;
float dist = 75.0f;
*r_eve = NULL;
*r_eed = NULL;
*r_efa = NULL;
/* no afterqueue (yet), so we check it now, otherwise the em_xxxofs indices are bad */
view3d_validate_backbuf(vc);
if (em->selectmode & SCE_SELECT_VERTEX)
*r_eve = EDBM_vert_find_nearest(vc, &dist, BM_ELEM_SELECT, 0);
if (em->selectmode & SCE_SELECT_FACE)
*r_efa = EDBM_face_find_nearest(vc, &dist);
dist -= 20; /* since edges select lines, we give dots advantage of 20 pix */
if (em->selectmode & SCE_SELECT_EDGE)
*r_eed = EDBM_edge_find_nearest(vc, &dist);
/* return only one of 3 pointers, for frontbuffer redraws */
if (*r_eed) {
*r_efa = NULL; *r_eve = NULL;
}
else if (*r_efa) {
*r_eve = NULL;
}
return (*r_eve || *r_eed || *r_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", ""},
{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", ""},
{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 = BMEdit_FromObject(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);
/* we succeeded */
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 = BMEdit_FromObject(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);
/* we succeeded */
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 = BMEdit_FromObject(ob);
BMOperator bmop;
/* get the type from RNA */
const int type = RNA_enum_get(op->ptr, "type");
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);
/* we succeeded */
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),
int *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 = BMEdit_FromObject(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) {
for (a = SIMFACE_MATERIAL; a <= SIMFACE_COPLANAR; a++) {
RNA_enum_items_add_value(&item, &totitem, prop_similar_types, a);
}
}
RNA_enum_item_end(&item, &totitem);
*free = 1;
return item;
}
return NULL;
}
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", 0.0, 0.0, 1.0, "Threshold", "", 0.0, 1.0);
}
/* **************** 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 int use_extend = RNA_boolean_get(op->ptr, "use_extend");
const int 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(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 = BMEdit_FromObject(obedit);
BMEdge *eed;
BMEdge **edarray;
int edindex;
int looptype = 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 (looptype) {
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_LOOP, 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(bContext *C, const int mval[2], bool extend, bool deselect, bool toggle, bool ring)
{
ViewContext vc;
BMEditMesh *em;
BMEdge *eed;
bool select = true;
float dist = 50.0f;
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 */
view3d_validate_backbuf(&vc);
eed = EDBM_edge_find_nearest(&vc, &dist);
if (eed) {
if (extend == false && deselect == false && toggle == false) {
EDBM_flag_disable_all(em, BM_ELEM_SELECT);
}
if (extend) {
select = true;
}
else if (deselect) {
select = false;
}
else if (BM_elem_flag_test(eed, BM_ELEM_SELECT) == 0) {
select = true;
}
else if (toggle) {
select = false;
}
if (em->selectmode & SCE_SELECT_FACE) {
walker_select(em, BMW_FACELOOP, eed, select);
}
else if (em->selectmode & SCE_SELECT_EDGE) {
if (ring)
walker_select(em, BMW_EDGERING, eed, select);
else
walker_select(em, BMW_LOOP, eed, select);
}
else if (em->selectmode & SCE_SELECT_VERTEX) {
if (ring)
walker_select(em, BMW_EDGERING, eed, select);
else
walker_select(em, BMW_LOOP, eed, select);
}
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_active_face_set(em->bm, efa);
BM_select_history_store(em->bm, efa);
}
}
}
WM_event_add_notifier(C, NC_GEOM | ND_SELECT, vc.obedit);
}
}
static int edbm_select_loop_invoke(bContext *C, wmOperator *op, const wmEvent *event)
{
view3d_operator_needs_opengl(C);
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"));
/* cannot do tweaks for as long this keymap is after transform map */
return OPERATOR_FINISHED;
}
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");
}
/* ******************* generic tag_shortest_path and helpers ****************** */
static float step_cost_3_v3(const float v1[3], const float v2[3], const float v3[3])
{
float cost, d1[3], d2[3];
/* The cost is based on the simple sum of the length of the two edgees... */
sub_v3_v3v3(d1, v2, v1);
sub_v3_v3v3(d2, v3, v2);
cost = normalize_v3(d1) + normalize_v3(d2);
/* but is biased to give higher values to sharp turns, so that it will take
* paths with fewer "turns" when selecting between equal-weighted paths between
* the two edges */
cost = cost * (1.0f + 0.5f * (2.0f - sqrtf(fabsf(dot_v3v3(d1, d2)))));
return cost;
}
/* ******************* edgetag_shortest_path and helpers ****************** */
static float edgetag_cut_cost(BMEdge *e1, BMEdge *e2, BMVert *v)
{
BMVert *v1 = BM_edge_other_vert(e1, v);
BMVert *v2 = BM_edge_other_vert(e2, v);
return step_cost_3_v3(v1->co, v->co, v2->co);
}
static void edgetag_add_adjacent(Heap *heap, BMEdge *e1, BMEdge **edges_prev, float *cost)
{
BMIter viter;
BMVert *v;
BMIter eiter;
BMEdge *e2;
const int e1_index = BM_elem_index_get(e1);
BM_ITER_ELEM (v, &viter, e1, BM_VERTS_OF_EDGE) {
BM_ITER_ELEM (e2, &eiter, v, BM_EDGES_OF_VERT) {
if (!BM_elem_flag_test(e2, BM_ELEM_TAG)) {
/* we know 'e2' is not visited, check it out! */
const int e2_index = BM_elem_index_get(e2);
const float cost_cut = edgetag_cut_cost(e1, e2, v);
const float cost_new = cost[e1_index] + cost_cut;
if (cost[e2_index] > cost_new) {
cost[e2_index] = cost_new;
edges_prev[e2_index] = e1;
BLI_heap_insert(heap, cost_new, e2);
}
}
}
}
}
static void edgetag_context_set(BMesh *bm, Scene *scene, BMEdge *e, int val)
{
switch (scene->toolsettings->edge_mode) {
case EDGE_MODE_SELECT:
BM_edge_select_set(bm, e, val);
break;
case EDGE_MODE_TAG_SEAM:
BM_elem_flag_set(e, BM_ELEM_SEAM, val);
break;
case EDGE_MODE_TAG_SHARP:
BM_elem_flag_set(e, BM_ELEM_SMOOTH, !val);
break;
case EDGE_MODE_TAG_CREASE:
BM_elem_float_data_set(&bm->edata, e, CD_CREASE, (val) ? 1.0f : 0.0f);
break;
case EDGE_MODE_TAG_BEVEL:
BM_elem_float_data_set(&bm->edata, e, CD_BWEIGHT, (val) ? 1.0f : 0.0f);
break;
}
}
static int edgetag_context_check(Scene *scene, BMesh *bm, BMEdge *e)
{
switch (scene->toolsettings->edge_mode) {
case EDGE_MODE_SELECT:
return BM_elem_flag_test(e, BM_ELEM_SELECT) ? true : false;
case EDGE_MODE_TAG_SEAM:
return BM_elem_flag_test(e, BM_ELEM_SEAM);
case EDGE_MODE_TAG_SHARP:
return !BM_elem_flag_test(e, BM_ELEM_SMOOTH);
case EDGE_MODE_TAG_CREASE:
return BM_elem_float_data_get(&bm->edata, e, CD_CREASE) ? true : false;
case EDGE_MODE_TAG_BEVEL:
return BM_elem_float_data_get(&bm->edata, e, CD_BWEIGHT) ? true : false;
}
return 0;
}
static void edgetag_ensure_cd_flag(Scene *scene, Mesh *me)
{
BMesh *bm = me->edit_btmesh->bm;
switch (scene->toolsettings->edge_mode) {
case EDGE_MODE_TAG_CREASE:
BM_mesh_cd_flag_ensure(bm, me, ME_CDFLAG_EDGE_CREASE);
break;
case EDGE_MODE_TAG_BEVEL:
BM_mesh_cd_flag_ensure(bm, me, ME_CDFLAG_EDGE_BWEIGHT);
break;
default:
break;
}
}
static int edgetag_shortest_path(Scene *scene, BMesh *bm, BMEdge *e_src, BMEdge *e_dst)
{
/* BM_ELEM_TAG flag is used to store visited edges */
BMEdge *e;
BMIter eiter;
Heap *heap;
float *cost;
BMEdge **edges_prev;
int i, totedge;
/* note, would pass BM_EDGE except we are looping over all edges anyway */
BM_mesh_elem_index_ensure(bm, BM_VERT /* | BM_EDGE */);
edgetag_ensure_cd_flag(scene, OBACT->data);
BM_ITER_MESH_INDEX (e, &eiter, bm, BM_EDGES_OF_MESH, i) {
if (BM_elem_flag_test(e, BM_ELEM_HIDDEN) == false) {
BM_elem_flag_disable(e, BM_ELEM_TAG);
}
else {
BM_elem_flag_enable(e, BM_ELEM_TAG);
}
BM_elem_index_set(e, i); /* set_inline */
}
bm->elem_index_dirty &= ~BM_EDGE;
/* alloc */
totedge = bm->totedge;
edges_prev = MEM_callocN(sizeof(*edges_prev) * totedge, "SeamPathPrevious");
cost = MEM_mallocN(sizeof(*cost) * totedge, "SeamPathCost");
fill_vn_fl(cost, totedge, 1e20f);
/*
* Arrays are now filled as follows:
*
* As the search continues, prevedge[n] will be the previous edge on the shortest
* path found so far to edge n. The visitedhash will of course contain entries
* for edges that have been visited, cost[n] will contain the length of the shortest
* path to edge n found so far, Finally, heap is a priority heap which is built on the
* the same data as the cost array, but inverted: it is a worklist of edges prioritized
* by the shortest path found so far to the edge.
*/
/* regular dijkstra shortest path, but over edges instead of vertices */
heap = BLI_heap_new();
BLI_heap_insert(heap, 0.0f, e_src);
cost[BM_elem_index_get(e_src)] = 0.0f;
e = NULL;
while (!BLI_heap_is_empty(heap)) {
e = BLI_heap_popmin(heap);
if (e == e_dst)
break;
if (!BM_elem_flag_test(e, BM_ELEM_TAG)) {
BM_elem_flag_enable(e, BM_ELEM_TAG);
edgetag_add_adjacent(heap, e, edges_prev, cost);
}
}
if (e == e_dst) {
bool all_set = true;
/* Check whether the path is already completely tagged.
* if it is, the tags will be cleared instead of set. */
e = e_dst;
do {
if (!edgetag_context_check(scene, bm, e)) {
all_set = false;
break;
}
} while ((e = edges_prev[BM_elem_index_get(e)]));
/* Follow path back and source and add or remove tags */
e = e_dst;
do {
edgetag_context_set(bm, scene, e, !all_set);
} while ((e = edges_prev[BM_elem_index_get(e)]));
}
MEM_freeN(edges_prev);
MEM_freeN(cost);
BLI_heap_free(heap, NULL);
return 1;
}
/* ******************* mesh shortest path select, uses prev-selected edge ****************** */
/* since you want to create paths with multiple selects, it doesn't have extend option */
static int mouse_mesh_shortest_path_edge(ViewContext *vc)
{
BMEditMesh *em = vc->em;
BMEdge *e_dst;
float dist = 75.0f;
e_dst = EDBM_edge_find_nearest(vc, &dist);
if (e_dst) {
Mesh *me = vc->obedit->data;
bool is_path = false;
if (em->bm->selected.last) {
BMEditSelection *ese = em->bm->selected.last;
if (ese && ese->htype == BM_EDGE) {
BMEdge *e_act;
e_act = (BMEdge *)ese->ele;
if (e_act != e_dst) {
if (edgetag_shortest_path(vc->scene, em->bm, e_act, e_dst)) {
BM_select_history_remove(em->bm, e_act);
is_path = true;
}
}
}
}
if (is_path == false) {
int act = (edgetag_context_check(vc->scene, em->bm, e_dst) == 0);
edgetag_ensure_cd_flag(vc->scene, vc->obedit->data);
edgetag_context_set(em->bm, vc->scene, e_dst, act); /* switch the edge option */
}
EDBM_selectmode_flush(em);
/* even if this is selected it may not be in the selection list */
if (edgetag_context_check(vc->scene, em->bm, e_dst) == 0)
BM_select_history_remove(em->bm, e_dst);
else
BM_select_history_store(em->bm, e_dst);
/* force drawmode for mesh */
switch (vc->scene->toolsettings->edge_mode) {
case EDGE_MODE_TAG_SEAM:
me->drawflag |= ME_DRAWSEAMS;
ED_uvedit_live_unwrap(vc->scene, vc->obedit);
break;
case EDGE_MODE_TAG_SHARP:
me->drawflag |= ME_DRAWSHARP;
break;
case EDGE_MODE_TAG_CREASE:
me->drawflag |= ME_DRAWCREASES;
break;
case EDGE_MODE_TAG_BEVEL:
me->drawflag |= ME_DRAWBWEIGHTS;
break;
}
EDBM_update_generic(em, false, false);
return true;
}
else {
return false;
}
}
/* ******************* facetag_shortest_path and helpers ****************** */
static float facetag_cut_cost(BMFace *f1, BMFace *f2, BMEdge *e)
{
float f1_cent[3];
float f2_cent[3];
float e_cent[3];
BM_face_calc_center_mean(f1, f1_cent);
BM_face_calc_center_mean(f2, f2_cent);
mid_v3_v3v3(e_cent, e->v1->co, e->v2->co);
return step_cost_3_v3(f1_cent, e_cent, f2_cent);
}
static void facetag_add_adjacent(Heap *heap, BMFace *f1, BMFace **faces_prev, float *cost)
{
BMIter liter;
BMLoop *l2;
BMFace *f2;
const int f1_index = BM_elem_index_get(f1);
/* loop over faces of face, but do so by first looping over loops */
BM_ITER_ELEM (l2, &liter, f1, BM_LOOPS_OF_FACE) {
BMLoop *l_first;
BMLoop *l_iter;
l_iter = l_first = l2;
do {
f2 = l_iter->f;
if (!BM_elem_flag_test(f2, BM_ELEM_TAG)) {
/* we know 'f2' is not visited, check it out! */
const int f2_index = BM_elem_index_get(f2);
const float cost_cut = facetag_cut_cost(f1, f2, l_iter->e);
const float cost_new = cost[f1_index] + cost_cut;
if (cost[f2_index] > cost_new) {
cost[f2_index] = cost_new;
faces_prev[f2_index] = f1;
BLI_heap_insert(heap, cost_new, f2);
}
}
} while ((l_iter = l_iter->radial_next) != l_first);
}
}
static void facetag_context_set(BMesh *bm, Scene *UNUSED(scene), BMFace *f, int val)
{
BM_face_select_set(bm, f, val);
}
static int facetag_context_check(Scene *UNUSED(scene), BMesh *UNUSED(bm), BMFace *f)
{
return BM_elem_flag_test(f, BM_ELEM_SELECT) ? 1 : 0;
}
static int facetag_shortest_path(Scene *scene, BMesh *bm, BMFace *f_src, BMFace *f_dst)
{
/* BM_ELEM_TAG flag is used to store visited edges */
BMFace *f;
BMIter fiter;
Heap *heap;
float *cost;
BMFace **faces_prev;
int i, totface;
/* note, would pass BM_EDGE except we are looping over all faces anyway */
// BM_mesh_elem_index_ensure(bm, BM_VERT /* | BM_EDGE */); // NOT NEEDED FOR FACETAG
BM_ITER_MESH_INDEX (f, &fiter, bm, BM_FACES_OF_MESH, i) {
if (BM_elem_flag_test(f, BM_ELEM_HIDDEN) == false) {
BM_elem_flag_disable(f, BM_ELEM_TAG);
}
else {
BM_elem_flag_enable(f, BM_ELEM_TAG);
}
BM_elem_index_set(f, i); /* set_inline */
}
bm->elem_index_dirty &= ~BM_FACE;
/* alloc */
totface = bm->totface;
faces_prev = MEM_callocN(sizeof(*faces_prev) * totface, "SeamPathPrevious");
cost = MEM_mallocN(sizeof(*cost) * totface, "SeamPathCost");
fill_vn_fl(cost, totface, 1e20f);
/*
* Arrays are now filled as follows:
*
* As the search continues, faces_prev[n] will be the previous face on the shortest
* path found so far to face n. The visitedhash will of course contain entries
* for faces that have been visited, cost[n] will contain the length of the shortest
* path to face n found so far, Finally, heap is a priority heap which is built on the
* the same data as the cost array, but inverted: it is a worklist of faces prioritized
* by the shortest path found so far to the face.
*/
/* regular dijkstra shortest path, but over faces instead of vertices */
heap = BLI_heap_new();
BLI_heap_insert(heap, 0.0f, f_src);
cost[BM_elem_index_get(f_src)] = 0.0f;
f = NULL;
while (!BLI_heap_is_empty(heap)) {
f = BLI_heap_popmin(heap);
if (f == f_dst)
break;
if (!BM_elem_flag_test(f, BM_ELEM_TAG)) {
BM_elem_flag_enable(f, BM_ELEM_TAG);
facetag_add_adjacent(heap, f, faces_prev, cost);
}
}
if (f == f_dst) {
bool all_set = true;
/* Check whether the path is already completely tagged.
* if it is, the tags will be cleared instead of set. */
f = f_dst;
do {
if (!facetag_context_check(scene, bm, f)) {
all_set = false;
break;
}
} while ((f = faces_prev[BM_elem_index_get(f)]));
/* Follow path back and source and add or remove tags */
f = f_dst;
do {
facetag_context_set(bm, scene, f, !all_set);
} while ((f = faces_prev[BM_elem_index_get(f)]));
}
MEM_freeN(faces_prev);
MEM_freeN(cost);
BLI_heap_free(heap, NULL);
return 1;
}
static int mouse_mesh_shortest_path_face(ViewContext *vc)
{
BMEditMesh *em = vc->em;
BMFace *f_dst;
float dist = 75.0f;
f_dst = EDBM_face_find_nearest(vc, &dist);
if (f_dst) {
int path = 0;
BMFace *f_act = BM_active_face_get(em->bm, false, true);
if (f_act) {
if (f_act != f_dst) {
if (facetag_shortest_path(vc->scene, em->bm, f_act, f_dst)) {
BM_select_history_remove(em->bm, f_act);
path = 1;
}
}
}
if (path == 0) {
int act = (facetag_context_check(vc->scene, em->bm, f_dst) == 0);
facetag_context_set(em->bm, vc->scene, f_dst, act); /* switch the face option */
}
EDBM_selectmode_flush(em);
/* even if this is selected it may not be in the selection list */
if (facetag_context_check(vc->scene, em->bm, f_dst) == 0)
BM_select_history_remove(em->bm, f_dst);
else
BM_select_history_store(em->bm, f_dst);
BM_active_face_set(em->bm, f_dst);
EDBM_update_generic(em, false, false);
return true;
}
else {
return false;
}
}
/* ******************* operator for edge and face tag ****************** */
static int edbm_shortest_path_select_invoke(bContext *C, wmOperator *UNUSED(op), const wmEvent *event)
{
ViewContext vc;
BMEditMesh *em;
view3d_operator_needs_opengl(C);
em_setup_viewcontext(C, &vc);
vc.mval[0] = event->mval[0];
vc.mval[1] = event->mval[1];
em = vc.em;
if (em->selectmode & SCE_SELECT_EDGE) {
if (mouse_mesh_shortest_path_edge(&vc)) {
return OPERATOR_FINISHED;
}
else {
return OPERATOR_PASS_THROUGH;
}
}
else if (em->selectmode & SCE_SELECT_FACE) {
if (mouse_mesh_shortest_path_face(&vc)) {
return OPERATOR_FINISHED;
}
else {
return OPERATOR_PASS_THROUGH;
}
}
return OPERATOR_PASS_THROUGH;
}
static int edbm_shortest_path_select_poll(bContext *C)
{
if (ED_operator_editmesh_region_view3d(C)) {
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BMEdit_FromObject(obedit);
return (em->selectmode & (SCE_SELECT_EDGE | SCE_SELECT_FACE)) != 0;
}
return 0;
}
void MESH_OT_select_shortest_path(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Shortest Path Select";
ot->idname = "MESH_OT_select_shortest_path";
ot->description = "Select shortest path between two selections";
/* api callbacks */
ot->invoke = edbm_shortest_path_select_invoke;
ot->poll = edbm_shortest_path_select_poll;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* properties */
RNA_def_boolean(ot->srna, "extend", false, "Extend", "Extend the selection");
}
/* ************************************************** */
/* 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_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_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->selectmode & SCE_SELECT_VERTEX) {
EDBM_select_flush(em);
}
else if (em->selectmode & SCE_SELECT_EDGE) {
/* deselect vertices, and select again based on edge select */
eve = BM_iter_new(&iter, em->bm, BM_VERTS_OF_MESH, NULL);
for (; eve; eve = BM_iter_step(&iter)) BM_vert_select_set(em->bm, eve, false);
eed = BM_iter_new(&iter, em->bm, BM_EDGES_OF_MESH, NULL);
for (; eed; eed = BM_iter_step(&iter)) {
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 */
eed = BM_iter_new(&iter, em->bm, BM_EDGES_OF_MESH, NULL);
for (; eed; eed = BM_iter_step(&iter)) BM_edge_select_set(em->bm, eed, false);
efa = BM_iter_new(&iter, em->bm, BM_FACES_OF_MESH, NULL);
for (; efa; efa = BM_iter_step(&iter)) {
if (BM_elem_flag_test(efa, BM_ELEM_SELECT)) {
BM_face_select_set(em->bm, efa, true);
}
}
}
}
void EDBM_selectmode_convert(BMEditMesh *em, const short selectmode_old, const short selectmode_new)
{
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 (selectmode_new == SCE_SELECT_EDGE) {
/* select all edges associated with every selected vert */
BM_ITER_MESH (eed, &iter, em->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, em->bm, BM_EDGES_OF_MESH) {
if (BM_elem_flag_test(eed, BM_ELEM_TAG)) {
BM_edge_select_set(em->bm, eed, true);
}
}
}
else if (selectmode_new == SCE_SELECT_FACE) {
/* select all faces associated with every selected vert */
BM_ITER_MESH (efa, &iter, em->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, em->bm, BM_FACES_OF_MESH) {
if (BM_elem_flag_test(efa, BM_ELEM_TAG)) {
BM_face_select_set(em->bm, efa, true);
}
}
}
}
else if (selectmode_old == SCE_SELECT_EDGE) {
if (selectmode_new == SCE_SELECT_FACE) {
/* select all faces associated with every selected edge */
BM_ITER_MESH (efa, &iter, em->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, em->bm, BM_FACES_OF_MESH) {
if (BM_elem_flag_test(efa, BM_ELEM_TAG)) {
BM_face_select_set(em->bm, efa, true);
}
}
}
}
}
/* user facing function, does notification and undo push */
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 = BMEdit_FromObject(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);
}
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) {
if (use_expand) {
const short selmode_max = highest_order_bit_s(ts->selectmode);
if (selmode_max == SCE_SELECT_VERTEX) {
EDBM_selectmode_convert(em, selmode_max, SCE_SELECT_EDGE);
}
}
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) {
if (use_expand) {
const short selmode_max = highest_order_bit_s(ts->selectmode);
if (ELEM(selmode_max, SCE_SELECT_VERTEX, SCE_SELECT_EDGE)) {
EDBM_selectmode_convert(em, selmode_max, SCE_SELECT_FACE);
}
}
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;
}
void EDBM_deselect_by_material(BMEditMesh *em, const short index, const short 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())
}
int EDBM_select_interior_faces(BMEditMesh *em)
{
BMesh *bm = em->bm;
BMIter iter;
BMIter eiter;
BMFace *efa;
BMEdge *eed;
bool ok;
bool change = 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(eed) < 3) {
ok = false;
break;
}
}
if (ok) {
BM_face_select_set(bm, efa, true);
change = true;
}
}
return change;
}
static void linked_limit_default(bContext *C, wmOperator *op)
{
if (!RNA_struct_property_is_set(op->ptr, "limit")) {
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BMEdit_FromObject(obedit);
if (em->selectmode == SCE_SELECT_FACE)
RNA_boolean_set(op->ptr, "limit", true);
else
RNA_boolean_set(op->ptr, "limit", false);
}
}
static int edbm_select_linked_pick_invoke(bContext *C, wmOperator *op, const wmEvent *event)
{
Object *obedit = CTX_data_edit_object(C);
ViewContext vc;
BMesh *bm;
BMWalker walker;
BMEditMesh *em;
BMVert *eve;
BMEdge *e, *eed;
BMFace *efa;
int sel = !RNA_boolean_get(op->ptr, "deselect");
int limit;
linked_limit_default(C, op);
limit = RNA_boolean_get(op->ptr, "limit");
/* unified_finednearest needs ogl */
view3d_operator_needs_opengl(C);
/* setup view context for argument to callbacks */
em_setup_viewcontext(C, &vc);
em = vc.em;
if (em->bm->totedge == 0)
return OPERATOR_CANCELLED;
bm = em->bm;
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;
}
if (em->selectmode == SCE_SELECT_FACE) {
BMIter iter;
if (efa == NULL)
return OPERATOR_CANCELLED;
if (limit) {
/* grr, shouldn't need to alloc BMO flags here */
BM_mesh_elem_toolflags_ensure(bm);
/* hflag no-seam --> bmo-tag */
BM_ITER_MESH (e, &iter, bm, BM_EDGES_OF_MESH) {
/* BMESH_TODO, don't use 'BM_ELEM_SELECT' here, its a HFLAG only! */
BMO_elem_flag_set(bm, e, BM_ELEM_SELECT, !BM_elem_flag_test(e, BM_ELEM_SEAM));
}
}
/* walk */
BMW_init(&walker, bm, BMW_ISLAND,
BMW_MASK_NOP, limit ? BM_ELEM_SELECT : BMW_MASK_NOP, BMW_MASK_NOP,
BMW_FLAG_TEST_HIDDEN,
BMW_NIL_LAY);
for (efa = BMW_begin(&walker, efa); efa; efa = BMW_step(&walker)) {
BM_face_select_set(bm, efa, sel);
}
BMW_end(&walker);
}
else {
if (efa) {
eed = BM_FACE_FIRST_LOOP(efa)->e;
}
else if (!eed) {
if (!eve || !eve->e)
return OPERATOR_CANCELLED;
eed = eve->e;
}
BMW_init(&walker, bm, BMW_SHELL,
BMW_MASK_NOP, BMW_MASK_NOP, BMW_MASK_NOP,
BMW_FLAG_TEST_HIDDEN,
BMW_NIL_LAY);
for (e = BMW_begin(&walker, eed->v1); e; e = BMW_step(&walker)) {
BM_edge_select_set(bm, e, sel);
}
BMW_end(&walker);
EDBM_selectmode_flush(em);
}
WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit);
return OPERATOR_FINISHED;
}
void MESH_OT_select_linked_pick(wmOperatorType *ot)
{
/* 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->poll = ED_operator_editmesh;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
RNA_def_boolean(ot->srna, "deselect", 0, "Deselect", "");
RNA_def_boolean(ot->srna, "limit", 0, "Limit by Seams", "");
}
static int edbm_select_linked_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BMEdit_FromObject(obedit);
BMesh *bm = em->bm;
BMIter iter;
BMVert *v;
BMEdge *e;
BMWalker walker;
int limit;
linked_limit_default(C, op);
limit = RNA_boolean_get(op->ptr, "limit");
if (em->selectmode == SCE_SELECT_FACE) {
BMFace *efa;
BM_ITER_MESH (efa, &iter, em->bm, BM_FACES_OF_MESH) {
BM_elem_flag_set(efa, BM_ELEM_TAG, (BM_elem_flag_test(efa, BM_ELEM_SELECT) &&
!BM_elem_flag_test(efa, BM_ELEM_HIDDEN)));
}
if (limit) {
/* grr, shouldn't need to alloc BMO flags here */
BM_mesh_elem_toolflags_ensure(bm);
BM_ITER_MESH (e, &iter, bm, BM_EDGES_OF_MESH) {
/* BMESH_TODO, don't use 'BM_ELEM_SELECT' here, its a HFLAG only! */
BMO_elem_flag_set(bm, e, BM_ELEM_SELECT, !BM_elem_flag_test(e, BM_ELEM_SEAM));
}
}
BMW_init(&walker, bm, BMW_ISLAND,
BMW_MASK_NOP, limit ? BM_ELEM_SELECT : BMW_MASK_NOP, BMW_MASK_NOP,
BMW_FLAG_TEST_HIDDEN,
BMW_NIL_LAY);
BM_ITER_MESH (efa, &iter, em->bm, BM_FACES_OF_MESH) {
if (BM_elem_flag_test(efa, BM_ELEM_TAG)) {
for (efa = BMW_begin(&walker, efa); efa; efa = BMW_step(&walker)) {
BM_face_select_set(bm, efa, true);
}
}
}
BMW_end(&walker);
if (limit) {
BM_mesh_elem_toolflags_clear(bm);
}
}
else {
BM_ITER_MESH (v, &iter, em->bm, BM_VERTS_OF_MESH) {
if (BM_elem_flag_test(v, BM_ELEM_SELECT)) {
BM_elem_flag_enable(v, BM_ELEM_TAG);
}
else {
BM_elem_flag_disable(v, BM_ELEM_TAG);
}
}
BMW_init(&walker, em->bm, BMW_SHELL,
BMW_MASK_NOP, BMW_MASK_NOP, BMW_MASK_NOP,
BMW_FLAG_TEST_HIDDEN,
BMW_NIL_LAY);
BM_ITER_MESH (v, &iter, em->bm, BM_VERTS_OF_MESH) {
if (BM_elem_flag_test(v, BM_ELEM_TAG)) {
for (e = BMW_begin(&walker, v); e; e = BMW_step(&walker)) {
BM_edge_select_set(em->bm, e, true);
}
}
}
BMW_end(&walker);
EDBM_selectmode_flush(em);
}
WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit);
return OPERATOR_FINISHED;
}
void MESH_OT_select_linked(wmOperatorType *ot)
{
/* 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;
RNA_def_boolean(ot->srna, "limit", 0, "Limit by Seams", "");
}
/* ******************** **************** */
static int edbm_select_more_exec(bContext *C, wmOperator *UNUSED(op))
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BMEdit_FromObject(obedit);
EDBM_select_more(em);
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;
}
static int edbm_select_less_exec(bContext *C, wmOperator *UNUSED(op))
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BMEdit_FromObject(obedit);
EDBM_select_less(em);
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;
}
/* 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, int nth, int offset, 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 = BM_ELEM_SELECT;
break;
case BM_EDGE:
itertype = BM_EDGES_OF_MESH;
walktype = BMW_SHELL;
flushtype = SCE_SELECT_EDGE;
mask_edge = BM_ELEM_SELECT;
break;
case BM_FACE:
itertype = BM_FACES_OF_MESH;
walktype = BMW_ISLAND;
flushtype = SCE_SELECT_FACE;
mask_face = BM_ELEM_SELECT;
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)) {
/* BMESH_TODO, don't use 'BM_ELEM_SELECT' here, its a HFLAG only! */
BMO_elem_flag_enable(bm, (BMElemF *)ele, BM_ELEM_SELECT);
}
}
/* 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 */
if ((offset + BMW_current_depth(&walker)) % nth) {
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)
{
BMVert *v;
BMEdge *e;
BMFace *f;
BMIter iter;
BMEditSelection *ese;
*r_eve = NULL;
*r_eed = NULL;
*r_efa = NULL;
EDBM_selectmode_flush(em);
ese = (BMEditSelection *)em->bm->selected.last;
if (ese) {
switch (ese->htype) {
case BM_VERT:
*r_eve = (BMVert *)ese->ele;
return;
case BM_EDGE:
*r_eed = (BMEdge *)ese->ele;
return;
case BM_FACE:
*r_efa = (BMFace *)ese->ele;
return;
}
}
if (em->selectmode & SCE_SELECT_VERTEX) {
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) {
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) {
f = BM_active_face_get(em->bm, true, false);
if (f) {
*r_efa = f;
return;
}
}
}
static int edbm_deselect_nth(BMEditMesh *em, int nth, int offset)
{
BMVert *v;
BMEdge *e;
BMFace *f;
deselect_nth_active(em, &v, &e, &f);
if (v) {
walker_deselect_nth(em, nth, offset, &v->head);
return 1;
}
else if (e) {
walker_deselect_nth(em, nth, offset, &e->head);
return 1;
}
else if (f) {
walker_deselect_nth(em, nth, offset, &f->head);
return 1;
}
return 0;
}
static int edbm_select_nth_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BMEdit_FromObject(obedit);
int nth = RNA_int_get(op->ptr, "nth");
int offset = RNA_int_get(op->ptr, "offset");
/* so input of offset zero ends up being (nth - 1) */
offset = (offset + (nth - 1)) % nth;
if (edbm_deselect_nth(em, nth, offset) == 0) {
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;
RNA_def_int(ot->srna, "nth", 2, 2, INT_MAX, "Nth Selection", "", 2, 100);
RNA_def_int(ot->srna, "offset", 0, 0, INT_MAX, "Offset", "", 0, 100);
}
void em_setup_viewcontext(bContext *C, ViewContext *vc)
{
view3d_set_viewcontext(C, vc);
if (vc->obedit) {
vc->em = BMEdit_FromObject(vc->obedit);
}
}
/* poll call for mesh operators requiring a view3d context */
int EM_view3d_poll(bContext *C)
{
if (ED_operator_editmesh(C) && ED_operator_view3d_active(C))
return 1;
return 0;
}
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 = BMEdit_FromObject(obedit);
BMIter iter;
BMEdge *e;
BMLoop *l1, *l2;
const float sharp = 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 = angle_normalized_v3v3(l1->f->no, l2->f->no);
if (fabsf(angle) > sharp) {
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 = BMEdit_FromObject(obedit);
BMIter iter, liter, liter2;
BMFace *f, **stack = NULL;
BLI_array_declare(stack);
BMLoop *l, *l2;
float sharp = RNA_float_get(op->ptr, "sharpness");
int i;
BM_ITER_MESH (f, &iter, em->bm, BM_FACES_OF_MESH) {
BM_elem_flag_disable(f, BM_ELEM_TAG);
}
BM_ITER_MESH (f, &iter, em->bm, BM_FACES_OF_MESH) {
if (BM_elem_flag_test(f, BM_ELEM_HIDDEN) || !BM_elem_flag_test(f, BM_ELEM_SELECT) || BM_elem_flag_test(f, BM_ELEM_TAG))
continue;
BLI_array_empty(stack);
i = 1;
BLI_array_grow_one(stack);
stack[i - 1] = f;
while (i) {
f = stack[i - 1];
i--;
BM_face_select_set(em->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;
if (BM_elem_flag_test(l2->f, BM_ELEM_TAG) || BM_elem_flag_test(l2->f, BM_ELEM_HIDDEN))
continue;
/* edge has exactly two neighboring faces, check angle */
angle = angle_normalized_v3v3(f->no, l2->f->no);
/* invalidate: edge too sharp */
if (angle < sharp) {
BLI_array_grow_one(stack);
stack[i] = l2->f;
i++;
}
}
}
}
}
BLI_array_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 = BMEdit_FromObject(obedit);
BMVert *v;
BMEdge *e;
BMIter iter;
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;
}
BM_ITER_MESH (v, &iter, em->bm, BM_VERTS_OF_MESH) {
if (!BM_elem_flag_test(v, BM_ELEM_HIDDEN) && !BM_vert_is_manifold(v)) {
BM_vert_select_set(em->bm, v, true);
}
}
BM_ITER_MESH (e, &iter, em->bm, BM_EDGES_OF_MESH) {
if (!BM_elem_flag_test(e, BM_ELEM_HIDDEN) && !BM_edge_is_manifold(e)) {
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_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");
}
static int edbm_select_random_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BMEdit_FromObject(obedit);
BMVert *eve;
BMEdge *eed;
BMFace *efa;
BMIter iter;
float randfac = RNA_float_get(op->ptr, "percent") / 100.0f;
BLI_srand(BLI_rand()); /* random seed */
if (!RNA_boolean_get(op->ptr, "extend"))
EDBM_flag_disable_all(em, BM_ELEM_SELECT);
if (em->selectmode & SCE_SELECT_VERTEX) {
BM_ITER_MESH (eve, &iter, em->bm, BM_VERTS_OF_MESH) {
if (!BM_elem_flag_test(eve, BM_ELEM_HIDDEN) && BLI_frand() < randfac) {
BM_vert_select_set(em->bm, eve, true);
}
}
EDBM_selectmode_flush(em);
}
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) && BLI_frand() < randfac) {
BM_edge_select_set(em->bm, eed, true);
}
}
EDBM_selectmode_flush(em);
}
else {
BM_ITER_MESH (efa, &iter, em->bm, BM_FACES_OF_MESH) {
if (!BM_elem_flag_test(efa, BM_ELEM_HIDDEN) && BLI_frand() < randfac) {
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_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 */
RNA_def_float_percentage(ot->srna, "percent", 50.f, 0.0f, 100.0f,
"Percent", "Percentage of elements to select randomly", 0.f, 100.0f);
RNA_def_boolean(ot->srna, "extend", false, "Extend", "Extend the selection");
}
static int edbm_select_ungrouped_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BMEdit_FromObject(obedit);
BMVert *eve;
BMIter iter;
if (!em->selectmode == SCE_SELECT_VERTEX) {
BKE_report(op->reports, RPT_ERROR, "Does not work out of vertex selection mode");
return OPERATOR_CANCELLED;
}
if (obedit->defbase.first == NULL) {
BKE_report(op->reports, RPT_ERROR, "No weights/vertex groups on object");
return OPERATOR_CANCELLED;
}
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 = CustomData_bmesh_get(&em->bm->vdata, eve->head.data, CD_MDEFORMVERT);
/* no dv or dv set with no weight */
if (dv == NULL || (dv && dv->dw == NULL)) {
BM_vert_select_set(em->bm, eve, true);
}
}
}
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 = ED_operator_editmesh;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
RNA_def_boolean(ot->srna, "extend", false, "Extend", "Extend the selection");
}
static int edbm_select_next_loop_exec(bContext *C, wmOperator *UNUSED(op))
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BMEdit_FromObject(obedit);
BMFace *f;
BMVert *v;
BMIter iter;
BM_ITER_MESH (v, &iter, em->bm, BM_VERTS_OF_MESH) {
BM_elem_flag_disable(v, BM_ELEM_TAG);
}
BM_ITER_MESH (f, &iter, em->bm, BM_FACES_OF_MESH) {
BMLoop *l;
BMIter liter;
BM_ITER_ELEM (l, &liter, f, BM_LOOPS_OF_FACE) {
if (BM_elem_flag_test(l->v, BM_ELEM_SELECT)) {
BM_elem_flag_enable(l->next->v, BM_ELEM_TAG);
BM_vert_select_set(em->bm, l->v, false);
}
}
}
BM_ITER_MESH (v, &iter, em->bm, BM_VERTS_OF_MESH) {
if (BM_elem_flag_test(v, BM_ELEM_TAG)) {
BM_vert_select_set(em->bm, v, true);
}
}
WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit);
return OPERATOR_FINISHED;
}
void MESH_OT_select_next_loop(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Select Next Loop";
ot->idname = "MESH_OT_select_next_loop";
ot->description = "Select next edge loop adjacent to a selected loop";
/* api callbacks */
ot->exec = edbm_select_next_loop_exec;
ot->poll = ED_operator_editmesh;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
static int edbm_region_to_loop_exec(bContext *C, wmOperator *UNUSED(op))
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BMEdit_FromObject(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,
SmallHash *fhash, BMFace ***region_out)
{
BLI_array_declare(region);
BLI_array_declare(stack);
BMFace **region = NULL;
BMFace **stack = NULL;
BMFace *f;
BLI_array_append(stack, l->f);
BLI_smallhash_insert(fhash, (uintptr_t)l->f, NULL);
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) {
if (BLI_smallhash_haskey(fhash, (uintptr_t)l2->f))
continue;
BLI_array_append(stack, l2->f);
BLI_smallhash_insert(fhash, (uintptr_t)l2->f, NULL);
}
}
}
BLI_array_free(stack);
*region_out = region;
return BLI_array_count(region);
}
static int verg_radial(const void *va, const void *vb)
{
BMEdge *e1 = *((void **)va);
BMEdge *e2 = *((void **)vb);
int a, b;
a = BM_edge_face_count(e1);
b = BM_edge_face_count(e2);
if (a > b) return -1;
if (a == b) return 0;
if (a < b) return 1;
return -1;
}
static int loop_find_regions(BMEditMesh *em, int selbigger)
{
SmallHash visithash;
BMIter iter;
BMEdge *e, **edges = NULL;
BLI_array_declare(edges);
BMFace *f;
int count = 0, i;
BLI_smallhash_init(&visithash);
BM_ITER_MESH (f, &iter, em->bm, BM_FACES_OF_MESH) {
BM_elem_flag_disable(f, BM_ELEM_TAG);
}
BM_ITER_MESH (e, &iter, em->bm, BM_EDGES_OF_MESH) {
if (BM_elem_flag_test(e, BM_ELEM_SELECT)) {
BLI_array_append(edges, 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, BLI_array_count(edges), sizeof(void *), verg_radial);
for (i = 0; i < BLI_array_count(edges); 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_smallhash_haskey(&visithash, (uintptr_t)l->f))
continue;
c = loop_find_region(l, BM_ELEM_SELECT, &visithash, &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);
}
}
BLI_array_free(edges);
BLI_smallhash_release(&visithash);
return count;
}
static int edbm_loop_to_region_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BMEdit_FromObject(obedit);
BMIter iter;
BMFace *f;
int selbigger = RNA_boolean_get(op->ptr, "select_bigger");
int a, b;
/* find the set of regions with smallest number of total faces */
a = loop_find_regions(em, selbigger);
b = loop_find_regions(em, !selbigger);
if ((a <= b) ^ selbigger) {
loop_find_regions(em, selbigger);
}
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);
}
}
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");
}
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