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9bd3f08b65fe19757029e594dea52f1132dbb48c
blender-archive/source/blender/editors/mesh/editface.c

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/**
* $Id$
*
* ***** 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) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* Contributor(s): Blender Foundation, Campbell Barton
*
* ***** END GPL LICENSE BLOCK *****
*/
#include <math.h>
#include <string.h>
#include "MEM_guardedalloc.h"
#include "BLI_blenlib.h"
#include "BLI_math.h"
#include "BLI_heap.h"
#include "BLI_edgehash.h"
#include "BLI_editVert.h"
#include "IMB_imbuf_types.h"
#include "IMB_imbuf.h"
#include "DNA_meshdata_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "BKE_brush.h"
#include "BKE_customdata.h"
#include "BKE_depsgraph.h"
#include "BKE_DerivedMesh.h"
#include "BKE_displist.h"
#include "BKE_global.h"
#include "BKE_mesh.h"
#include "BKE_object.h"
#include "BKE_texture.h"
#include "BKE_utildefines.h"
#include "BKE_customdata.h"
#include "BKE_context.h"
#include "BIF_gl.h"
#include "BIF_glutil.h"
#ifndef DISABLE_PYTHON
//#include "BPY_extern.h"
//#include "BPY_menus.h"
#endif
#include "ED_mesh.h"
#include "ED_screen.h"
#include "ED_view3d.h"
#include "WM_api.h"
#include "WM_types.h"
/* own include */
#include "mesh_intern.h"
/* ***************** XXX **************** */
static int pupmenu(const char *dummy) {return 0;}
/* ***************** XXX **************** */
/* copy the face flags, most importantly selection from the mesh to the final derived mesh,
* use in object mode when selecting faces (while painting) */
void object_facesel_flush_dm(Object *ob)
{
Mesh *me= get_mesh(ob);
DerivedMesh *dm= ob->derivedFinal;
MFace *faces, *mf, *mf_orig;
int *index_array = NULL;
int totface;
int i;
if(me==NULL || dm==NULL)
return;
index_array = dm->getFaceDataArray(dm, CD_ORIGINDEX);
if(!index_array)
return;
faces = dm->getFaceArray(dm);
totface = dm->getNumFaces(dm);
mf= faces;
for (i= 0; i<totface; i++, mf++) { /* loop over derived mesh faces */
mf_orig= me->mface + index_array[i];
mf->flag= mf_orig->flag;;
}
}
/* returns 0 if not found, otherwise 1 */
int facesel_face_pick(struct bContext *C, Mesh *me, short *mval, unsigned int *index, short rect)
{
ViewContext vc;
view3d_set_viewcontext(C, &vc);
if (!me || me->totface==0)
return 0;
// XXX if (v3d->flag & V3D_INVALID_BACKBUF) {
// XXX drawview.c! check_backbuf();
// XXX persp(PERSP_VIEW);
// XXX }
if (rect) {
/* sample rect to increase changes of selecting, so that when clicking
on an edge in the backbuf, we can still select a face */
int dist;
*index = view3d_sample_backbuf_rect(&vc, mval, 3, 1, me->totface+1, &dist,0,NULL, NULL);
}
else {
/* sample only on the exact position */
*index = view3d_sample_backbuf(&vc, mval[0], mval[1]);
}
if ((*index)<=0 || (*index)>(unsigned int)me->totface)
return 0;
(*index)--;
return 1;
}
/* last_sel, use em->act_face otherwise get the last selected face in the editselections
* at the moment, last_sel is mainly useful for gaking sure the space image dosnt flicker */
MTFace *EM_get_active_mtface(EditMesh *em, EditFace **act_efa, MCol **mcol, int sloppy)
{
EditFace *efa = NULL;
if(!EM_texFaceCheck(em))
return NULL;
efa = EM_get_actFace(em, sloppy);
if (efa) {
if (mcol) {
if (CustomData_has_layer(&em->fdata, CD_MCOL))
*mcol = CustomData_em_get(&em->fdata, efa->data, CD_MCOL);
else
*mcol = NULL;
}
if (act_efa) *act_efa = efa;
return CustomData_em_get(&em->fdata, efa->data, CD_MTFACE);
}
if (act_efa) *act_efa= NULL;
if(mcol) *mcol = NULL;
return NULL;
}
void reveal_tface(Scene *scene)
{
Mesh *me;
MFace *mface;
int a;
me= get_mesh(OBACT);
if(me==0 || me->totface==0) return;
mface= me->mface;
a= me->totface;
while(a--) {
if(mface->flag & ME_HIDE) {
mface->flag |= ME_FACE_SEL;
mface->flag -= ME_HIDE;
}
mface++;
}
object_facesel_flush_dm(OBACT);
// XXX notifier! object_tface_flags_changed(OBACT, 0);
}
void hide_tface(Scene *scene)
{
Mesh *me;
MFace *mface;
int a;
int shift=0, alt= 0; // XXX
me= get_mesh(OBACT);
if(me==0 || me->totface==0) return;
if(alt) {
reveal_tface(scene);
return;
}
mface= me->mface;
a= me->totface;
while(a--) {
if(mface->flag & ME_HIDE);
else {
if(shift) {
if( (mface->flag & ME_FACE_SEL)==0) mface->flag |= ME_HIDE;
}
else {
if( (mface->flag & ME_FACE_SEL)) mface->flag |= ME_HIDE;
}
}
if(mface->flag & ME_HIDE) mface->flag &= ~ME_FACE_SEL;
mface++;
}
object_facesel_flush_dm(OBACT);
// XXX notifier! object_tface_flags_changed(OBACT, 0);
}
/* Set tface seams based on edge data, uses hash table to find seam edges. */
static void hash_add_face(EdgeHash *ehash, MFace *mf)
{
BLI_edgehash_insert(ehash, mf->v1, mf->v2, NULL);
BLI_edgehash_insert(ehash, mf->v2, mf->v3, NULL);
if(mf->v4) {
BLI_edgehash_insert(ehash, mf->v3, mf->v4, NULL);
BLI_edgehash_insert(ehash, mf->v4, mf->v1, NULL);
}
else
BLI_edgehash_insert(ehash, mf->v3, mf->v1, NULL);
}
void select_linked_tfaces_with_seams(int mode, Mesh *me, unsigned int index)
{
MFace *mf;
int a, doit=1, mark=0;
char *linkflag;
EdgeHash *ehash, *seamhash;
MEdge *med;
ehash= BLI_edgehash_new();
seamhash = BLI_edgehash_new();
linkflag= MEM_callocN(sizeof(char)*me->totface, "linkflaguv");
for(med=me->medge, a=0; a < me->totedge; a++, med++)
if(med->flag & ME_SEAM)
BLI_edgehash_insert(seamhash, med->v1, med->v2, NULL);
if (mode==0 || mode==1) {
/* only put face under cursor in array */
mf= ((MFace*)me->mface) + index;
hash_add_face(ehash, mf);
linkflag[index]= 1;
}
else {
/* fill array by selection */
mf= me->mface;
for(a=0; a<me->totface; a++, mf++) {
if(mf->flag & ME_HIDE);
else if(mf->flag & ME_FACE_SEL) {
hash_add_face(ehash, mf);
linkflag[a]= 1;
}
}
}
while(doit) {
doit= 0;
/* expand selection */
mf= me->mface;
for(a=0; a<me->totface; a++, mf++) {
if(mf->flag & ME_HIDE)
continue;
if(!linkflag[a]) {
mark= 0;
if(!BLI_edgehash_haskey(seamhash, mf->v1, mf->v2))
if(BLI_edgehash_haskey(ehash, mf->v1, mf->v2))
mark= 1;
if(!BLI_edgehash_haskey(seamhash, mf->v2, mf->v3))
if(BLI_edgehash_haskey(ehash, mf->v2, mf->v3))
mark= 1;
if(mf->v4) {
if(!BLI_edgehash_haskey(seamhash, mf->v3, mf->v4))
if(BLI_edgehash_haskey(ehash, mf->v3, mf->v4))
mark= 1;
if(!BLI_edgehash_haskey(seamhash, mf->v4, mf->v1))
if(BLI_edgehash_haskey(ehash, mf->v4, mf->v1))
mark= 1;
}
else if(!BLI_edgehash_haskey(seamhash, mf->v3, mf->v1))
if(BLI_edgehash_haskey(ehash, mf->v3, mf->v1))
mark = 1;
if(mark) {
linkflag[a]= 1;
hash_add_face(ehash, mf);
doit= 1;
}
}
}
}
BLI_edgehash_free(ehash, NULL);
BLI_edgehash_free(seamhash, NULL);
if(mode==0 || mode==2) {
for(a=0, mf=me->mface; a<me->totface; a++, mf++)
if(linkflag[a])
mf->flag |= ME_FACE_SEL;
else
mf->flag &= ~ME_FACE_SEL;
}
else if(mode==1) {
for(a=0, mf=me->mface; a<me->totface; a++, mf++)
if(linkflag[a] && (mf->flag & ME_FACE_SEL))
break;
if (a<me->totface) {
for(a=0, mf=me->mface; a<me->totface; a++, mf++)
if(linkflag[a])
mf->flag &= ~ME_FACE_SEL;
}
else {
for(a=0, mf=me->mface; a<me->totface; a++, mf++)
if(linkflag[a])
mf->flag |= ME_FACE_SEL;
}
}
MEM_freeN(linkflag);
// BIF_undo_push("Select linked UV face");
// object_tface_flags_changed(OBACT, 0);
}
void select_linked_tfaces(bContext *C, Object *ob, short mval[2], int mode)
{
Mesh *me;
unsigned int index=0;
me = get_mesh(ob);
if(me==0 || me->totface==0) return;
if (mode==0 || mode==1) {
// XXX - Causes glitches, not sure why
/*
if (!facesel_face_pick(C, me, mval, &index, 1))
return;
*/
}
select_linked_tfaces_with_seams(mode, me, index);
object_facesel_flush_dm(ob);
}
void selectall_tface(Object *ob, int action)
{
Mesh *me;
MFace *mface;
int a;
me= get_mesh(ob);
if(me==0) return;
if (action == SEL_TOGGLE) {
action = SEL_SELECT;
mface= me->mface;
a= me->totface;
while(a--) {
if((mface->flag & ME_HIDE) == 0 && mface->flag & ME_FACE_SEL) {
action = SEL_DESELECT;
break;
}
mface++;
}
}
mface= me->mface;
a= me->totface;
while(a--) {
if((mface->flag & ME_HIDE) == 0) {
switch (action) {
case SEL_SELECT:
mface->flag |= ME_FACE_SEL;
break;
case SEL_DESELECT:
mface->flag &= ~ME_FACE_SEL;
break;
case SEL_INVERT:
mface->flag ^= ME_FACE_SEL;
break;
}
}
mface++;
}
object_facesel_flush_dm(ob);
// XXX notifier! object_tface_flags_changed(OBACT, 0);
}
void selectswap_tface(Scene *scene)
{
Mesh *me;
MFace *mface;
int a;
me= get_mesh(OBACT);
if(me==0) return;
mface= me->mface;
a= me->totface;
while(a--) {
if(mface->flag & ME_HIDE);
else {
if(mface->flag & ME_FACE_SEL) mface->flag &= ~ME_FACE_SEL;
else mface->flag |= ME_FACE_SEL;
}
mface++;
}
object_facesel_flush_dm(OBACT);
// XXX notifier! object_tface_flags_changed(OBACT, 0);
}
int minmax_tface(Object *ob, float *min, float *max)
{
Mesh *me= get_mesh(ob);
MFace *mf;
MVert *mv;
int a, ok=0;
float vec[3];
if(me==NULL)
return ok;
mv= me->mvert;
mf= me->mface;
for (a=me->totface; a>0; a--, mf++) {
if ((mf->flag & ME_HIDE || !(mf->flag & ME_FACE_SEL)) == 0) {
int i= mf->v4 ? 3:2;
do {
mul_v3_m4v3(vec, ob->obmat, (mv + (*(&mf->v1 + i)))->co);
DO_MINMAX(vec, min, max);
} while (i--);
ok= 1;
}
}
return ok;
}
/* ******************** edge loop shortest path ********************* */
#define ME_SEAM_DONE 2 /* reuse this flag */
static float edgetag_cut_cost(EditMesh *em, int e1, int e2, int vert)
{
EditVert *v = EM_get_vert_for_index(vert);
EditEdge *eed1 = EM_get_edge_for_index(e1), *eed2 = EM_get_edge_for_index(e2);
EditVert *v1 = EM_get_vert_for_index( (eed1->v1->tmp.l == vert)? eed1->v2->tmp.l: eed1->v1->tmp.l );
EditVert *v2 = EM_get_vert_for_index( (eed2->v1->tmp.l == vert)? eed2->v2->tmp.l: eed2->v1->tmp.l );
float cost, d1[3], d2[3];
cost = len_v3v3(v1->co, v->co);
cost += len_v3v3(v->co, v2->co);
sub_v3_v3v3(d1, v->co, v1->co);
sub_v3_v3v3(d2, v2->co, v->co);
cost = cost + 0.5f*cost*(2.0f - fabs(d1[0]*d2[0] + d1[1]*d2[1] + d1[2]*d2[2]));
return cost;
}
static void edgetag_add_adjacent(EditMesh *em, Heap *heap, int mednum, int vertnum, int *nedges, int *edges, int *prevedge, float *cost)
{
int startadj, endadj = nedges[vertnum+1];
for (startadj = nedges[vertnum]; startadj < endadj; startadj++) {
int adjnum = edges[startadj];
EditEdge *eedadj = EM_get_edge_for_index(adjnum);
float newcost;
if (eedadj->f2 & ME_SEAM_DONE)
continue;
newcost = cost[mednum] + edgetag_cut_cost(em, mednum, adjnum, vertnum);
if (cost[adjnum] > newcost) {
cost[adjnum] = newcost;
prevedge[adjnum] = mednum;
BLI_heap_insert(heap, newcost, SET_INT_IN_POINTER(adjnum));
}
}
}
void edgetag_context_set(Scene *scene, EditEdge *eed, int val)
{
switch (scene->toolsettings->edge_mode) {
case EDGE_MODE_SELECT:
EM_select_edge(eed, val);
break;
case EDGE_MODE_TAG_SEAM:
if (val) {eed->seam = 255;}
else {eed->seam = 0;}
break;
case EDGE_MODE_TAG_SHARP:
if (val) {eed->sharp = 1;}
else {eed->sharp = 0;}
break;
case EDGE_MODE_TAG_CREASE:
if (val) {eed->crease = 1.0f;}
else {eed->crease = 0.0f;}
break;
case EDGE_MODE_TAG_BEVEL:
if (val) {eed->bweight = 1.0f;}
else {eed->bweight = 0.0f;}
break;
}
}
int edgetag_context_check(Scene *scene, EditEdge *eed)
{
switch (scene->toolsettings->edge_mode) {
case EDGE_MODE_SELECT:
return (eed->f & SELECT) ? 1 : 0;
case EDGE_MODE_TAG_SEAM:
return eed->seam ? 1 : 0;
case EDGE_MODE_TAG_SHARP:
return eed->sharp ? 1 : 0;
case EDGE_MODE_TAG_CREASE:
return eed->crease ? 1 : 0;
case EDGE_MODE_TAG_BEVEL:
return eed->bweight ? 1 : 0;
}
return 0;
}
int edgetag_shortest_path(Scene *scene, EditMesh *em, EditEdge *source, EditEdge *target)
{
EditEdge *eed;
EditVert *ev;
Heap *heap;
float *cost;
int a, totvert=0, totedge=0, *nedges, *edges, *prevedge, mednum = -1, nedgeswap = 0;
/* we need the vert */
for (ev= em->verts.first, totvert=0; ev; ev= ev->next) {
ev->tmp.l = totvert;
totvert++;
}
for (eed= em->edges.first; eed; eed = eed->next) {
eed->f2 = 0;
if (eed->h) {
eed->f2 |= ME_SEAM_DONE;
}
eed->tmp.l = totedge;
totedge++;
}
/* alloc */
nedges = MEM_callocN(sizeof(*nedges)*totvert+1, "SeamPathNEdges");
edges = MEM_mallocN(sizeof(*edges)*totedge*2, "SeamPathEdges");
prevedge = MEM_mallocN(sizeof(*prevedge)*totedge, "SeamPathPrevious");
cost = MEM_mallocN(sizeof(*cost)*totedge, "SeamPathCost");
/* count edges, compute adjacent edges offsets and fill adjacent edges */
for (eed= em->edges.first; eed; eed = eed->next) {
nedges[eed->v1->tmp.l+1]++;
nedges[eed->v2->tmp.l+1]++;
}
for (a=1; a<totvert; a++) {
int newswap = nedges[a+1];
nedges[a+1] = nedgeswap + nedges[a];
nedgeswap = newswap;
}
nedges[0] = nedges[1] = 0;
for (a=0, eed= em->edges.first; eed; a++, eed = eed->next) {
edges[nedges[eed->v1->tmp.l+1]++] = a;
edges[nedges[eed->v2->tmp.l+1]++] = a;
cost[a] = 1e20f;
prevedge[a] = -1;
}
/* regular dijkstra shortest path, but over edges instead of vertices */
heap = BLI_heap_new();
BLI_heap_insert(heap, 0.0f, SET_INT_IN_POINTER(source->tmp.l));
cost[source->tmp.l] = 0.0f;
EM_init_index_arrays(em, 1, 1, 0);
while (!BLI_heap_empty(heap)) {
mednum = GET_INT_FROM_POINTER(BLI_heap_popmin(heap));
eed = EM_get_edge_for_index( mednum );
if (mednum == target->tmp.l)
break;
if (eed->f2 & ME_SEAM_DONE)
continue;
eed->f2 |= ME_SEAM_DONE;
edgetag_add_adjacent(em, heap, mednum, eed->v1->tmp.l, nedges, edges, prevedge, cost);
edgetag_add_adjacent(em, heap, mednum, eed->v2->tmp.l, nedges, edges, prevedge, cost);
}
MEM_freeN(nedges);
MEM_freeN(edges);
MEM_freeN(cost);
BLI_heap_free(heap, NULL);
for (eed= em->edges.first; eed; eed = eed->next) {
eed->f2 &= ~ME_SEAM_DONE;
}
if (mednum != target->tmp.l) {
MEM_freeN(prevedge);
EM_free_index_arrays();
return 0;
}
/* follow path back to source and mark as seam */
if (mednum == target->tmp.l) {
short allseams = 1;
mednum = target->tmp.l;
do {
eed = EM_get_edge_for_index( mednum );
if (!edgetag_context_check(scene, eed)) {
allseams = 0;
break;
}
mednum = prevedge[mednum];
} while (mednum != source->tmp.l);
mednum = target->tmp.l;
do {
eed = EM_get_edge_for_index( mednum );
if (allseams)
edgetag_context_set(scene, eed, 0);
else
edgetag_context_set(scene, eed, 1);
mednum = prevedge[mednum];
} while (mednum != -1);
}
MEM_freeN(prevedge);
EM_free_index_arrays();
return 1;
}
/* *************************************** */
static void seam_edgehash_insert_face(EdgeHash *ehash, MFace *mf)
{
BLI_edgehash_insert(ehash, mf->v1, mf->v2, NULL);
BLI_edgehash_insert(ehash, mf->v2, mf->v3, NULL);
if (mf->v4) {
BLI_edgehash_insert(ehash, mf->v3, mf->v4, NULL);
BLI_edgehash_insert(ehash, mf->v4, mf->v1, NULL);
}
else
BLI_edgehash_insert(ehash, mf->v3, mf->v1, NULL);
}
void seam_mark_clear_tface(Scene *scene, short mode)
{
Mesh *me;
MFace *mf;
MEdge *med;
int a;
me= get_mesh(OBACT);
if(me==0 || me->totface==0) return;
if (mode == 0)
mode = pupmenu("Seams%t|Mark Border Seam %x1|Clear Seam %x2");
if (mode != 1 && mode != 2)
return;
if (mode == 2) {
EdgeHash *ehash = BLI_edgehash_new();
for (a=0, mf=me->mface; a<me->totface; a++, mf++)
if (!(mf->flag & ME_HIDE) && (mf->flag & ME_FACE_SEL))
seam_edgehash_insert_face(ehash, mf);
for (a=0, med=me->medge; a<me->totedge; a++, med++)
if (BLI_edgehash_haskey(ehash, med->v1, med->v2))
med->flag &= ~ME_SEAM;
BLI_edgehash_free(ehash, NULL);
}
else {
/* mark edges that are on both selected and deselected faces */
EdgeHash *ehash1 = BLI_edgehash_new();
EdgeHash *ehash2 = BLI_edgehash_new();
for (a=0, mf=me->mface; a<me->totface; a++, mf++) {
if ((mf->flag & ME_HIDE) || !(mf->flag & ME_FACE_SEL))
seam_edgehash_insert_face(ehash1, mf);
else
seam_edgehash_insert_face(ehash2, mf);
}
for (a=0, med=me->medge; a<me->totedge; a++, med++)
if (BLI_edgehash_haskey(ehash1, med->v1, med->v2) &&
BLI_edgehash_haskey(ehash2, med->v1, med->v2))
med->flag |= ME_SEAM;
BLI_edgehash_free(ehash1, NULL);
BLI_edgehash_free(ehash2, NULL);
}
// XXX if (G.rt == 8)
// unwrap_lscm(1);
me->drawflag |= ME_DRAWSEAMS;
// XXX notifier! object_tface_flags_changed(OBACT, 1);
}
int face_select(struct bContext *C, Object *ob, short mval[2], int extend)
{
Mesh *me;
MFace *mface, *msel;
unsigned int a, index;
/* Get the face under the cursor */
me = get_mesh(ob);
if (!facesel_face_pick(C, me, mval, &index, 1))
return 0;
msel= (((MFace*)me->mface)+index);
if (msel->flag & ME_HIDE) return 0;
/* clear flags */
mface = me->mface;
a = me->totface;
if (!extend) {
while (a--) {
mface->flag &= ~ME_FACE_SEL;
mface++;
}
}
me->act_face = (int)index;
if (extend) {
if (msel->flag & ME_FACE_SEL)
msel->flag &= ~ME_FACE_SEL;
else
msel->flag |= ME_FACE_SEL;
}
else msel->flag |= ME_FACE_SEL;
/* image window redraw */
object_facesel_flush_dm(ob);
// XXX notifier! object_tface_flags_changed(OBACT, 1);
WM_event_add_notifier(C, NC_GEOM|ND_SELECT, ob->data);
ED_region_tag_redraw(CTX_wm_region(C)); // XXX - should redraw all 3D views
return 1;
}
void face_borderselect(struct bContext *C, Object *ob, rcti *rect, int select, int extend)
{
Mesh *me;
MFace *mface;
struct ImBuf *ibuf;
unsigned int *rt;
int a, sx, sy, index;
char *selar;
ViewContext vc;
view3d_set_viewcontext(C, &vc);
me= get_mesh(ob);
if(me==0) return;
if(me->totface==0) return;
selar= MEM_callocN(me->totface+1, "selar");
sx= (rect->xmax-rect->xmin+1);
sy= (rect->ymax-rect->ymin+1);
if(sx*sy<=0) return;
if (extend == 0 && select) {
mface= me->mface;
for(a=1; a<=me->totface; a++, mface++) {
if((mface->flag & ME_HIDE) == 0)
mface->flag &= ~ME_FACE_SEL;
}
}
view3d_validate_backbuf(&vc);
ibuf = IMB_allocImBuf(sx,sy,32,IB_rect,0);
rt = ibuf->rect;
glReadPixels(rect->xmin+vc.ar->winrct.xmin, rect->ymin+vc.ar->winrct.ymin, sx, sy, GL_RGBA, GL_UNSIGNED_BYTE, ibuf->rect);
if(ENDIAN_ORDER==B_ENDIAN) IMB_convert_rgba_to_abgr(ibuf);
a= sx*sy;
while(a--) {
if(*rt) {
index= WM_framebuffer_to_index(*rt);
if(index<=me->totface) selar[index]= 1;
}
rt++;
}
mface= me->mface;
for(a=1; a<=me->totface; a++, mface++) {
if(selar[a]) {
if(mface->flag & ME_HIDE);
else {
if(select) mface->flag |= ME_FACE_SEL;
else mface->flag &= ~ME_FACE_SEL;
}
}
}
IMB_freeImBuf(ibuf);
MEM_freeN(selar);
// XXX notifier! object_tface_flags_changed(OBACT, 0);
#ifdef __APPLE__
glReadBuffer(GL_BACK);
#endif
object_facesel_flush_dm(ob);
}
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