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blender-archive/source/blender/editors/mesh/editmesh.c
Nathan Letwory 95100afc12 doxygen: blender/editors tagged.
2011-02-27 20:29:51 +00:00

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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, full recode 2002-2008
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/mesh/editmesh.c
* \ingroup edmesh
*/
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "MEM_guardedalloc.h"
#include "DNA_scene_types.h"
#include "DNA_object_types.h"
#include "DNA_key_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_modifier_types.h"
#include "BLI_blenlib.h"
#include "BLI_math.h"
#include "BLI_editVert.h"
#include "BLI_dynstr.h"
#include "BLI_rand.h"
#include "BLI_utildefines.h"
#include "BKE_DerivedMesh.h"
#include "BKE_context.h"
#include "BKE_depsgraph.h"
#include "BKE_global.h"
#include "BKE_key.h"
#include "BKE_main.h"
#include "BKE_material.h"
#include "BKE_mesh.h"
#include "BKE_paint.h"
#include "BKE_report.h"
#include "BKE_multires.h"
#include "ED_mesh.h"
#include "ED_object.h"
#include "ED_screen.h"
#include "ED_util.h"
#include "ED_view3d.h"
#include "RNA_access.h"
#include "RNA_define.h"
#include "WM_api.h"
#include "WM_types.h"
/* own include */
#include "mesh_intern.h"
/*
editmesh.c:
- add/alloc/free data
- hashtables
- enter/exit editmode
*/
/* XXX */
static void BIF_undo_push(const char *UNUSED(arg)) {}
static void error(const char *UNUSED(arg)) {}
/* ***************** HASH ********************* */
#define EDHASHSIZE (512*512)
#define EDHASH(a, b) (a % EDHASHSIZE)
/* ************ ADD / REMOVE / FIND ****************** */
static void *calloc_em(EditMesh *UNUSED(em), size_t size, size_t nr)
{
return calloc(size, nr);
}
/* used to bypass normal calloc with fast one */
static void *(*callocvert)(EditMesh *, size_t, size_t) = calloc_em;
static void *(*callocedge)(EditMesh *, size_t, size_t) = calloc_em;
static void *(*callocface)(EditMesh *, size_t, size_t) = calloc_em;
EditVert *addvertlist(EditMesh *em, float *vec, EditVert *example)
{
EditVert *eve;
static int hashnr= 0;
eve= callocvert(em, sizeof(EditVert), 1);
BLI_addtail(&em->verts, eve);
em->totvert++;
if(vec) VECCOPY(eve->co, vec);
eve->hash= hashnr++;
if( hashnr>=EDHASHSIZE) hashnr= 0;
/* new verts get keyindex of -1 since they did not
* have a pre-editmode vertex order
*/
eve->keyindex = -1;
if(example) {
CustomData_em_copy_data(&em->vdata, &em->vdata, example->data, &eve->data);
eve->bweight = example->bweight;
}
else {
CustomData_em_set_default(&em->vdata, &eve->data);
}
return eve;
}
void free_editvert (EditMesh *em, EditVert *eve)
{
EM_remove_selection(em, eve, EDITVERT);
CustomData_em_free_block(&em->vdata, &eve->data);
if(eve->fast==0)
free(eve);
em->totvert--;
}
EditEdge *findedgelist(EditMesh *em, EditVert *v1, EditVert *v2)
{
EditVert *v3;
struct HashEdge *he;
/* swap ? */
if( v1 > v2) {
v3= v2;
v2= v1;
v1= v3;
}
if(em->hashedgetab==NULL)
em->hashedgetab= MEM_callocN(EDHASHSIZE*sizeof(struct HashEdge), "hashedgetab");
he= em->hashedgetab + EDHASH(v1->hash, v2->hash);
while(he) {
if(he->eed && he->eed->v1==v1 && he->eed->v2==v2) return he->eed;
he= he->next;
}
return 0;
}
static void insert_hashedge(EditMesh *em, EditEdge *eed)
{
/* assuming that eed is not in the list yet, and that a find has been done before */
struct HashEdge *first, *he;
first= em->hashedgetab + EDHASH(eed->v1->hash, eed->v2->hash);
if( first->eed==0 ) {
first->eed= eed;
}
else {
he= &eed->hash;
he->eed= eed;
he->next= first->next;
first->next= he;
}
}
static void remove_hashedge(EditMesh *em, EditEdge *eed)
{
/* assuming eed is in the list */
struct HashEdge *first, *he, *prev=NULL;
he=first= em->hashedgetab + EDHASH(eed->v1->hash, eed->v2->hash);
while(he) {
if(he->eed == eed) {
/* remove from list */
if(he==first) {
if(first->next) {
he= first->next;
first->eed= he->eed;
first->next= he->next;
}
else he->eed= 0;
}
else {
prev->next= he->next;
}
return;
}
prev= he;
he= he->next;
}
}
EditEdge *addedgelist(EditMesh *em, EditVert *v1, EditVert *v2, EditEdge *example)
{
EditVert *v3;
EditEdge *eed;
int swap= 0;
if(v1==v2) return NULL;
if(v1==NULL || v2==NULL) return NULL;
/* swap ? */
if(v1>v2) {
v3= v2;
v2= v1;
v1= v3;
swap= 1;
}
/* find in hashlist */
eed= findedgelist(em, v1, v2);
if(eed==NULL) {
eed= (EditEdge *)callocedge(em, sizeof(EditEdge), 1);
eed->v1= v1;
eed->v2= v2;
BLI_addtail(&em->edges, eed);
eed->dir= swap;
insert_hashedge(em, eed);
em->totedge++;
/* copy edge data:
rule is to do this with addedgelist call, before addfacelist */
if(example) {
eed->crease= example->crease;
eed->bweight= example->bweight;
eed->sharp = example->sharp;
eed->seam = example->seam;
eed->h |= (example->h & EM_FGON);
}
}
return eed;
}
void remedge(EditMesh *em, EditEdge *eed)
{
BLI_remlink(&em->edges, eed);
remove_hashedge(em, eed);
em->totedge--;
}
void free_editedge(EditMesh *em, EditEdge *eed)
{
EM_remove_selection(em, eed, EDITEDGE);
if(eed->fast==0){
free(eed);
}
}
void free_editface(EditMesh *em, EditFace *efa)
{
EM_remove_selection(em, efa, EDITFACE);
if (em->act_face==efa) {
EM_set_actFace(em, em->faces.first == efa ? NULL : em->faces.first);
}
CustomData_em_free_block(&em->fdata, &efa->data);
if(efa->fast==0)
free(efa);
em->totface--;
}
void free_vertlist(EditMesh *em, ListBase *edve)
{
EditVert *eve, *next;
if (!edve) return;
eve= edve->first;
while(eve) {
next= eve->next;
free_editvert(em, eve);
eve= next;
}
edve->first= edve->last= NULL;
em->totvert= em->totvertsel= 0;
}
void free_edgelist(EditMesh *em, ListBase *lb)
{
EditEdge *eed, *next;
eed= lb->first;
while(eed) {
next= eed->next;
free_editedge(em, eed);
eed= next;
}
lb->first= lb->last= NULL;
em->totedge= em->totedgesel= 0;
}
void free_facelist(EditMesh *em, ListBase *lb)
{
EditFace *efa, *next;
efa= lb->first;
while(efa) {
next= efa->next;
free_editface(em, efa);
efa= next;
}
lb->first= lb->last= NULL;
em->totface= em->totfacesel= 0;
}
EditFace *addfacelist(EditMesh *em, EditVert *v1, EditVert *v2, EditVert *v3, EditVert *v4, EditFace *example, EditFace *exampleEdges)
{
EditFace *efa;
EditEdge *e1, *e2=0, *e3=0, *e4=0;
/* added sanity check... seems to happen for some tools, or for enter editmode for corrupted meshes */
if(v1==v4 || v2==v4 || v3==v4) v4= NULL;
/* add face to list and do the edges */
if(exampleEdges) {
e1= addedgelist(em, v1, v2, exampleEdges->e1);
e2= addedgelist(em, v2, v3, exampleEdges->e2);
if(v4) e3= addedgelist(em, v3, v4, exampleEdges->e3);
else e3= addedgelist(em, v3, v1, exampleEdges->e3);
if(v4) e4= addedgelist(em, v4, v1, exampleEdges->e4);
}
else {
e1= addedgelist(em, v1, v2, NULL);
e2= addedgelist(em, v2, v3, NULL);
if(v4) e3= addedgelist(em, v3, v4, NULL);
else e3= addedgelist(em, v3, v1, NULL);
if(v4) e4= addedgelist(em, v4, v1, NULL);
}
if(v1==v2 || v2==v3 || v1==v3) return NULL;
if(e2==0) return NULL;
efa= (EditFace *)callocface(em, sizeof(EditFace), 1);
efa->v1= v1;
efa->v2= v2;
efa->v3= v3;
efa->v4= v4;
efa->e1= e1;
efa->e2= e2;
efa->e3= e3;
efa->e4= e4;
if(example) {
efa->mat_nr= example->mat_nr;
efa->flag= example->flag;
CustomData_em_copy_data(&em->fdata, &em->fdata, example->data, &efa->data);
CustomData_em_validate_data(&em->fdata, efa->data, efa->v4 ? 4 : 3);
}
else {
efa->mat_nr= em->mat_nr;
CustomData_em_set_default(&em->fdata, &efa->data);
}
BLI_addtail(&em->faces, efa);
em->totface++;
if(efa->v4) {
normal_quad_v3( efa->n,efa->v1->co, efa->v2->co, efa->v3->co, efa->v4->co);
cent_quad_v3(efa->cent, efa->v1->co, efa->v2->co, efa->v3->co, efa->v4->co);
}
else {
normal_tri_v3( efa->n,efa->v1->co, efa->v2->co, efa->v3->co);
cent_tri_v3(efa->cent, efa->v1->co, efa->v2->co, efa->v3->co);
}
return efa;
}
/* ************************ end add/new/find ************ */
/* ************************ Edit{Vert,Edge,Face} utilss ***************************** */
/* some nice utility functions */
EditVert *editedge_getOtherVert(EditEdge *eed, EditVert *eve)
{
if (eve==eed->v1) {
return eed->v2;
} else if (eve==eed->v2) {
return eed->v1;
} else {
return NULL;
}
}
EditVert *editedge_getSharedVert(EditEdge *eed, EditEdge *eed2)
{
if (eed->v1==eed2->v1 || eed->v1==eed2->v2) {
return eed->v1;
} else if (eed->v2==eed2->v1 || eed->v2==eed2->v2) {
return eed->v2;
} else {
return NULL;
}
}
int editedge_containsVert(EditEdge *eed, EditVert *eve)
{
return (eed->v1==eve || eed->v2==eve);
}
int editface_containsVert(EditFace *efa, EditVert *eve)
{
return (efa->v1==eve || efa->v2==eve || efa->v3==eve || (efa->v4 && efa->v4==eve));
}
int editface_containsEdge(EditFace *efa, EditEdge *eed)
{
return (efa->e1==eed || efa->e2==eed || efa->e3==eed || (efa->e4 && efa->e4==eed));
}
/* ************************ stuct EditMesh manipulation ***************************** */
/* fake callocs for fastmalloc below */
static void *calloc_fastvert(EditMesh *em, size_t UNUSED(size), size_t UNUSED(nr))
{
EditVert *eve= em->curvert++;
eve->fast= 1;
return eve;
}
static void *calloc_fastedge(EditMesh *em, size_t UNUSED(size), size_t UNUSED(nr))
{
EditEdge *eed= em->curedge++;
eed->fast= 1;
return eed;
}
static void *calloc_fastface(EditMesh *em, size_t UNUSED(size), size_t UNUSED(nr))
{
EditFace *efa= em->curface++;
efa->fast= 1;
return efa;
}
/* allocate 1 chunk for all vertices, edges, faces. These get tagged to
prevent it from being freed
*/
static void init_editmesh_fastmalloc(EditMesh *em, int totvert, int totedge, int totface)
{
if(totvert) em->allverts= MEM_callocN(totvert*sizeof(EditVert), "allverts");
else em->allverts= NULL;
em->curvert= em->allverts;
if(totedge==0) totedge= 4*totface; // max possible
if(totedge) em->alledges= MEM_callocN(totedge*sizeof(EditEdge), "alledges");
else em->alledges= NULL;
em->curedge= em->alledges;
if(totface) em->allfaces= MEM_callocN(totface*sizeof(EditFace), "allfaces");
else em->allfaces= NULL;
em->curface= em->allfaces;
callocvert= calloc_fastvert;
callocedge= calloc_fastedge;
callocface= calloc_fastface;
}
static void end_editmesh_fastmalloc(void)
{
callocvert= calloc_em;
callocedge= calloc_em;
callocface= calloc_em;
}
/* do not free editmesh itself here */
void free_editMesh(EditMesh *em)
{
if(em==NULL) return;
if(em->verts.first) free_vertlist(em, &em->verts);
if(em->edges.first) free_edgelist(em, &em->edges);
if(em->faces.first) free_facelist(em, &em->faces);
if(em->selected.first) BLI_freelistN(&(em->selected));
CustomData_free(&em->vdata, 0);
CustomData_free(&em->fdata, 0);
if(em->derivedFinal) {
if (em->derivedFinal!=em->derivedCage) {
em->derivedFinal->needsFree= 1;
em->derivedFinal->release(em->derivedFinal);
}
em->derivedFinal= NULL;
}
if(em->derivedCage) {
em->derivedCage->needsFree= 1;
em->derivedCage->release(em->derivedCage);
em->derivedCage= NULL;
}
/* DEBUG: hashtabs are slowest part of enter/exit editmode. here a testprint */
#if 0
if(em->hashedgetab) {
HashEdge *he, *hen;
int a, used=0, max=0, nr;
he= em->hashedgetab;
for(a=0; a<EDHASHSIZE; a++, he++) {
if(he->eed) used++;
hen= he->next;
nr= 0;
while(hen) {
nr++;
hen= hen->next;
}
if(max<nr) max= nr;
}
printf("hastab used %d max %d\n", used, max);
}
#endif
if(em->hashedgetab) MEM_freeN(em->hashedgetab);
em->hashedgetab= NULL;
if(em->allverts) MEM_freeN(em->allverts);
if(em->alledges) MEM_freeN(em->alledges);
if(em->allfaces) MEM_freeN(em->allfaces);
em->allverts= em->curvert= NULL;
em->alledges= em->curedge= NULL;
em->allfaces= em->curface= NULL;
mesh_octree_table(NULL, NULL, NULL, 'e');
mesh_mirrtopo_table(NULL, 'e');
em->totvert= em->totedge= em->totface= 0;
// XXX if(em->retopo_paint_data) retopo_free_paint_data(em->retopo_paint_data);
em->retopo_paint_data= NULL;
em->act_face = NULL;
}
static void editMesh_set_hash(EditMesh *em)
{
EditEdge *eed;
if(em->hashedgetab) MEM_freeN(em->hashedgetab);
em->hashedgetab= NULL;
for(eed=em->edges.first; eed; eed= eed->next) {
if( findedgelist(em, eed->v1, eed->v2)==NULL )
insert_hashedge(em, eed);
}
}
/* ************************ IN & OUT EDITMODE ***************************** */
static void edge_normal_compare(EditEdge *eed, EditFace *efa1)
{
EditFace *efa2;
float cent1[3], cent2[3];
float inp;
efa2 = eed->tmp.f;
if(efa1==efa2) return;
inp= efa1->n[0]*efa2->n[0] + efa1->n[1]*efa2->n[1] + efa1->n[2]*efa2->n[2];
if(inp<0.999 && inp >-0.999) eed->f2= 1;
if(efa1->v4) cent_quad_v3(cent1, efa1->v1->co, efa1->v2->co, efa1->v3->co, efa1->v4->co);
else cent_tri_v3(cent1, efa1->v1->co, efa1->v2->co, efa1->v3->co);
if(efa2->v4) cent_quad_v3(cent2, efa2->v1->co, efa2->v2->co, efa2->v3->co, efa2->v4->co);
else cent_tri_v3(cent2, efa2->v1->co, efa2->v2->co, efa2->v3->co);
sub_v3_v3v3(cent1, cent2, cent1);
normalize_v3(cent1);
inp= cent1[0]*efa1->n[0] + cent1[1]*efa1->n[1] + cent1[2]*efa1->n[2];
if(inp < -0.001 ) eed->f1= 1;
}
#if 0
typedef struct {
EditEdge *eed;
float noLen,no[3];
int adjCount;
} EdgeDrawFlagInfo;
static int edgeDrawFlagInfo_cmp(const void *av, const void *bv)
{
const EdgeDrawFlagInfo *a = av;
const EdgeDrawFlagInfo *b = bv;
if (a->noLen<b->noLen) return -1;
else if (a->noLen>b->noLen) return 1;
else return 0;
}
#endif
static void edge_drawflags(Mesh *me, EditMesh *em)
{
EditVert *eve;
EditEdge *eed, *e1, *e2, *e3, *e4;
EditFace *efa;
/* - count number of times edges are used in faces: 0 en 1 time means draw edge
* - edges more than 1 time used: in *tmp.f is pointer to first face
* - check all faces, when normal differs to much: draw (flag becomes 1)
*/
/* later on: added flags for 'cylinder' and 'sphere' intersection tests in old
game engine (2.04)
*/
recalc_editnormals(em);
/* init */
eve= em->verts.first;
while(eve) {
eve->f1= 1; /* during test it's set at zero */
eve= eve->next;
}
eed= em->edges.first;
while(eed) {
eed->f2= eed->f1= 0;
eed->tmp.f = 0;
eed= eed->next;
}
efa= em->faces.first;
while(efa) {
e1= efa->e1;
e2= efa->e2;
e3= efa->e3;
e4= efa->e4;
if(e1->f2<4) e1->f2+= 1;
if(e2->f2<4) e2->f2+= 1;
if(e3->f2<4) e3->f2+= 1;
if(e4 && e4->f2<4) e4->f2+= 1;
if(e1->tmp.f == 0) e1->tmp.f = (void *) efa;
if(e2->tmp.f == 0) e2->tmp.f = (void *) efa;
if(e3->tmp.f ==0) e3->tmp.f = (void *) efa;
if(e4 && (e4->tmp.f == 0)) e4->tmp.f = (void *) efa;
efa= efa->next;
}
if(me->drawflag & ME_ALLEDGES) {
efa= em->faces.first;
while(efa) {
if(efa->e1->f2>=2) efa->e1->f2= 1;
if(efa->e2->f2>=2) efa->e2->f2= 1;
if(efa->e3->f2>=2) efa->e3->f2= 1;
if(efa->e4 && efa->e4->f2>=2) efa->e4->f2= 1;
efa= efa->next;
}
}
else {
/* handle single-edges for 'test cylinder flag' (old engine) */
eed= em->edges.first;
while(eed) {
if(eed->f2==1) eed->f1= 1;
eed= eed->next;
}
/* all faces, all edges with flag==2: compare normal */
efa= em->faces.first;
while(efa) {
if(efa->e1->f2==2) edge_normal_compare(efa->e1, efa);
else efa->e1->f2= 1;
if(efa->e2->f2==2) edge_normal_compare(efa->e2, efa);
else efa->e2->f2= 1;
if(efa->e3->f2==2) edge_normal_compare(efa->e3, efa);
else efa->e3->f2= 1;
if(efa->e4) {
if(efa->e4->f2==2) edge_normal_compare(efa->e4, efa);
else efa->e4->f2= 1;
}
efa= efa->next;
}
/* sphere collision flag */
eed= em->edges.first;
while(eed) {
if(eed->f1!=1) {
eed->v1->f1= eed->v2->f1= 0;
}
eed= eed->next;
}
}
}
/* turns Mesh into editmesh */
void make_editMesh(Scene *scene, Object *ob)
{
Mesh *me= ob->data;
MFace *mface;
MVert *mvert;
MSelect *mselect;
KeyBlock *actkey;
EditMesh *em;
EditVert *eve, **evlist, *eve1, *eve2, *eve3, *eve4;
EditFace *efa, *efa_last_sel= NULL;
EditEdge *eed;
EditSelection *ese;
float *co, (*keyco)[3]= NULL;
int tot, a, eekadoodle= 0;
const short is_paint_sel= paint_facesel_test(ob);
if(me->edit_mesh==NULL)
me->edit_mesh= MEM_callocN(sizeof(EditMesh), "editmesh");
else
/* because of reload */
free_editMesh(me->edit_mesh);
em= me->edit_mesh;
em->selectmode= scene->toolsettings->selectmode; // warning needs to be synced
em->act_face = NULL;
em->totvert= tot= me->totvert;
em->totedge= me->totedge;
em->totface= me->totface;
if(tot==0) {
return;
}
if(ob->actcol > 0)
em->mat_nr= ob->actcol-1;
/* initialize fastmalloc for editmesh */
init_editmesh_fastmalloc(em, me->totvert, me->totedge, me->totface);
actkey = ob_get_keyblock(ob);
if(actkey) {
/* undo-ing in past for previous editmode sessions gives corrupt 'keyindex' values */
undo_editmode_clear();
keyco= actkey->data;
em->shapenr= ob->shapenr;
}
/* make editverts */
CustomData_copy(&me->vdata, &em->vdata, CD_MASK_EDITMESH, CD_CALLOC, 0);
mvert= me->mvert;
evlist= (EditVert **)MEM_mallocN(tot*sizeof(void *),"evlist");
for(a=0; a<tot; a++, mvert++) {
co= mvert->co;
/* edit the shape key coordinate if available */
if(keyco && a < actkey->totelem)
co= keyco[a];
eve= addvertlist(em, co, NULL);
evlist[a]= eve;
/* face select sets selection in next loop */
if(!is_paint_sel)
eve->f |= (mvert->flag & 1);
if (mvert->flag & ME_HIDE) eve->h= 1;
eve->no[0]= mvert->no[0]/32767.0;
eve->no[1]= mvert->no[1]/32767.0;
eve->no[2]= mvert->no[2]/32767.0;
eve->bweight= ((float)mvert->bweight)/255.0f;
/* lets overwrite the keyindex of the editvert
* with the order it used to be in before
* editmode
*/
eve->keyindex = a;
CustomData_to_em_block(&me->vdata, &em->vdata, a, &eve->data);
}
if(actkey && actkey->totelem!=me->totvert);
else {
MEdge *medge= me->medge;
CustomData_copy(&me->edata, &em->edata, CD_MASK_EDITMESH, CD_CALLOC, 0);
/* make edges */
for(a=0; a<me->totedge; a++, medge++) {
eed= addedgelist(em, evlist[medge->v1], evlist[medge->v2], NULL);
/* eed can be zero when v1 and v2 are identical, dxf import does this... */
if(eed) {
eed->crease= ((float)medge->crease)/255.0f;
eed->bweight= ((float)medge->bweight)/255.0f;
if(medge->flag & ME_SEAM) eed->seam= 1;
if(medge->flag & ME_SHARP) eed->sharp = 1;
if(medge->flag & SELECT) eed->f |= SELECT;
if(medge->flag & ME_FGON) eed->h= EM_FGON; // 2 different defines!
if(medge->flag & ME_HIDE) eed->h |= 1;
if(em->selectmode==SCE_SELECT_EDGE)
EM_select_edge(eed, eed->f & SELECT); // force edge selection to vertices, seems to be needed ...
CustomData_to_em_block(&me->edata,&em->edata, a, &eed->data);
}
}
CustomData_copy(&me->fdata, &em->fdata, CD_MASK_EDITMESH, CD_CALLOC, 0);
/* make faces */
mface= me->mface;
for(a=0; a<me->totface; a++, mface++) {
eve1= evlist[mface->v1];
eve2= evlist[mface->v2];
if(!mface->v3) eekadoodle= 1;
eve3= evlist[mface->v3];
if(mface->v4) eve4= evlist[mface->v4]; else eve4= NULL;
efa= addfacelist(em, eve1, eve2, eve3, eve4, NULL, NULL);
if(efa) {
CustomData_to_em_block(&me->fdata, &em->fdata, a, &efa->data);
efa->mat_nr= mface->mat_nr;
efa->flag= mface->flag & ~ME_HIDE;
/* select and hide face flag */
if(mface->flag & ME_HIDE) {
efa->h= 1;
} else {
if (a==me->act_face) {
EM_set_actFace(em, efa);
}
/* dont allow hidden and selected */
if(mface->flag & ME_FACE_SEL) {
efa->f |= SELECT;
if(is_paint_sel) {
EM_select_face(efa, 1); /* flush down */
}
efa_last_sel= efa;
}
}
}
}
}
if(EM_get_actFace(em, 0)==NULL && efa_last_sel) {
EM_set_actFace(em, efa_last_sel);
}
if(eekadoodle)
error("This Mesh has old style edgecodes, please put it in the bugtracker!");
MEM_freeN(evlist);
end_editmesh_fastmalloc(); // resets global function pointers
if(me->mselect){
//restore editselections
EM_init_index_arrays(em, 1,1,1);
mselect = me->mselect;
for(a=0; a<me->totselect; a++, mselect++){
/*check if recorded selection is still valid, if so copy into editmesh*/
if( (mselect->type == EDITVERT && me->mvert[mselect->index].flag & SELECT) || (mselect->type == EDITEDGE && me->medge[mselect->index].flag & SELECT) || (mselect->type == EDITFACE && me->mface[mselect->index].flag & ME_FACE_SEL) ){
ese = MEM_callocN(sizeof(EditSelection), "Edit Selection");
ese->type = mselect->type;
if(ese->type == EDITVERT) ese->data = EM_get_vert_for_index(mselect->index); else
if(ese->type == EDITEDGE) ese->data = EM_get_edge_for_index(mselect->index); else
if(ese->type == EDITFACE) ese->data = EM_get_face_for_index(mselect->index);
BLI_addtail(&(em->selected),ese);
}
}
EM_free_index_arrays();
}
/* this creates coherent selections. also needed for older files */
EM_selectmode_set(em);
/* paranoia check to enforce hide rules */
EM_hide_reset(em);
/* sets helper flags which arent saved */
EM_fgon_flags(em);
if (EM_get_actFace(em, 0)==NULL) {
EM_set_actFace(em, em->faces.first ); /* will use the first face, this is so we alwats have an active face */
}
}
/* makes Mesh out of editmesh */
void load_editMesh(Scene *scene, Object *obedit)
{
Mesh *me= obedit->data;
MVert *mvert, *oldverts;
MEdge *medge;
MFace *mface;
MSelect *mselect;
EditMesh *em= me->edit_mesh;
EditVert *eve;
EditFace *efa, *efa_act;
EditEdge *eed;
EditSelection *ese;
float *fp, *newkey, *oldkey, nor[3];
int i, a, ototvert;
/* this one also tests of edges are not in faces: */
/* eed->f2==0: not in face, f2==1: draw it */
/* eed->f1 : flag for dynaface (cylindertest, old engine) */
/* eve->f1 : flag for dynaface (sphere test, old engine) */
/* eve->f2 : being used in vertexnormals */
edge_drawflags(me, em);
EM_stats_update(em);
/* new Vertex block */
if(em->totvert==0) mvert= NULL;
else mvert= MEM_callocN(em->totvert*sizeof(MVert), "loadeditMesh vert");
/* new Edge block */
if(em->totedge==0) medge= NULL;
else medge= MEM_callocN(em->totedge*sizeof(MEdge), "loadeditMesh edge");
/* new Face block */
if(em->totface==0) mface= NULL;
else mface= MEM_callocN(em->totface*sizeof(MFace), "loadeditMesh face");
/* lets save the old verts just in case we are actually working on
* a key ... we now do processing of the keys at the end */
oldverts= me->mvert;
ototvert= me->totvert;
/* don't free this yet */
CustomData_set_layer(&me->vdata, CD_MVERT, NULL);
/* free custom data */
CustomData_free(&me->vdata, me->totvert);
CustomData_free(&me->edata, me->totedge);
CustomData_free(&me->fdata, me->totface);
/* add new custom data */
me->totvert= em->totvert;
me->totedge= em->totedge;
me->totface= em->totface;
CustomData_copy(&em->vdata, &me->vdata, CD_MASK_MESH, CD_CALLOC, me->totvert);
CustomData_copy(&em->edata, &me->edata, CD_MASK_MESH, CD_CALLOC, me->totedge);
CustomData_copy(&em->fdata, &me->fdata, CD_MASK_MESH, CD_CALLOC, me->totface);
CustomData_add_layer(&me->vdata, CD_MVERT, CD_ASSIGN, mvert, me->totvert);
CustomData_add_layer(&me->edata, CD_MEDGE, CD_ASSIGN, medge, me->totedge);
CustomData_add_layer(&me->fdata, CD_MFACE, CD_ASSIGN, mface, me->totface);
mesh_update_customdata_pointers(me);
/* the vertices, use ->tmp.l as counter */
eve= em->verts.first;
a= 0;
while(eve) {
VECCOPY(mvert->co, eve->co);
/* vertex normal */
VECCOPY(nor, eve->no);
mul_v3_fl(nor, 32767.0);
VECCOPY(mvert->no, nor);
/* note: it used to remove me->dvert when it was not in use, cancelled
that... annoying when you have a fresh vgroup */
CustomData_from_em_block(&em->vdata, &me->vdata, eve->data, a);
eve->tmp.l = a++; /* counter */
mvert->flag= 0;
mvert->flag |= (eve->f & SELECT);
if (eve->h) mvert->flag |= ME_HIDE;
mvert->bweight= (char)(255.0*eve->bweight);
eve= eve->next;
mvert++;
}
/* the edges */
a= 0;
eed= em->edges.first;
while(eed) {
medge->v1= (unsigned int) eed->v1->tmp.l;
medge->v2= (unsigned int) eed->v2->tmp.l;
medge->flag= (eed->f & SELECT) | ME_EDGERENDER;
if(eed->f2<2) medge->flag |= ME_EDGEDRAW;
if(eed->f2==0) medge->flag |= ME_LOOSEEDGE;
if(eed->sharp) medge->flag |= ME_SHARP;
if(eed->seam) medge->flag |= ME_SEAM;
if(eed->h & EM_FGON) medge->flag |= ME_FGON; // different defines yes
if(eed->h & 1) medge->flag |= ME_HIDE;
medge->crease= (char)(255.0*eed->crease);
medge->bweight= (char)(255.0*eed->bweight);
CustomData_from_em_block(&em->edata, &me->edata, eed->data, a);
eed->tmp.l = a++;
medge++;
eed= eed->next;
}
/* the faces */
a = 0;
efa= em->faces.first;
efa_act= EM_get_actFace(em, 0);
i = 0;
me->act_face = -1;
while(efa) {
mface= &((MFace *) me->mface)[i];
mface->v1= (unsigned int) efa->v1->tmp.l;
mface->v2= (unsigned int) efa->v2->tmp.l;
mface->v3= (unsigned int) efa->v3->tmp.l;
if (efa->v4) mface->v4 = (unsigned int) efa->v4->tmp.l;
mface->mat_nr= efa->mat_nr;
mface->flag= efa->flag;
/* bit 0 of flag is already taken for smooth... */
if(efa->h) {
mface->flag |= ME_HIDE;
mface->flag &= ~ME_FACE_SEL;
} else {
if(efa->f & 1) mface->flag |= ME_FACE_SEL;
else mface->flag &= ~ME_FACE_SEL;
}
/* watch: efa->e1->f2==0 means loose edge */
if(efa->e1->f2==1) {
efa->e1->f2= 2;
}
if(efa->e2->f2==1) {
efa->e2->f2= 2;
}
if(efa->e3->f2==1) {
efa->e3->f2= 2;
}
if(efa->e4 && efa->e4->f2==1) {
efa->e4->f2= 2;
}
CustomData_from_em_block(&em->fdata, &me->fdata, efa->data, i);
/* no index '0' at location 3 or 4 */
test_index_face(mface, &me->fdata, i, efa->v4?4:3);
if (efa_act == efa)
me->act_face = a;
efa->tmp.l = a++;
i++;
efa= efa->next;
}
/* patch hook indices and vertex parents */
{
Object *ob;
ModifierData *md;
EditVert **vertMap = NULL;
int j;
for (ob=G.main->object.first; ob; ob=ob->id.next) {
if (ob->parent==ob && ELEM(ob->partype, PARVERT1,PARVERT3)) {
/* duplicate code from below, make it function later...? */
if (!vertMap) {
vertMap = MEM_callocN(sizeof(*vertMap)*ototvert, "vertMap");
for (eve=em->verts.first; eve; eve=eve->next) {
if (eve->keyindex!=-1)
vertMap[eve->keyindex] = eve;
}
}
if(ob->par1 < ototvert) {
eve = vertMap[ob->par1];
if(eve) ob->par1= eve->tmp.l;
}
if(ob->par2 < ototvert) {
eve = vertMap[ob->par2];
if(eve) ob->par2= eve->tmp.l;
}
if(ob->par3 < ototvert) {
eve = vertMap[ob->par3];
if(eve) ob->par3= eve->tmp.l;
}
}
if (ob->data==me) {
for (md=ob->modifiers.first; md; md=md->next) {
if (md->type==eModifierType_Hook) {
HookModifierData *hmd = (HookModifierData*) md;
if (!vertMap) {
vertMap = MEM_callocN(sizeof(*vertMap)*ototvert, "vertMap");
for (eve=em->verts.first; eve; eve=eve->next) {
if (eve->keyindex!=-1)
vertMap[eve->keyindex] = eve;
}
}
for (i=j=0; i<hmd->totindex; i++) {
if(hmd->indexar[i] < ototvert) {
eve = vertMap[hmd->indexar[i]];
if (eve) {
hmd->indexar[j++] = eve->tmp.l;
}
}
else j++;
}
hmd->totindex = j;
}
}
}
}
if (vertMap) MEM_freeN(vertMap);
}
/* are there keys? */
if(me->key) {
KeyBlock *currkey;
KeyBlock *actkey= BLI_findlink(&me->key->block, em->shapenr-1);
float (*ofs)[3] = NULL;
/* editing the base key should update others */
if(me->key->type==KEY_RELATIVE && oldverts) {
int act_is_basis = 0;
/* find if this key is a basis for any others */
for(currkey = me->key->block.first; currkey; currkey= currkey->next) {
if(em->shapenr-1 == currkey->relative) {
act_is_basis = 1;
break;
}
}
if(act_is_basis) { /* active key is a base */
i=0;
ofs= MEM_callocN(sizeof(float) * 3 * em->totvert, "currkey->data");
eve= em->verts.first;
mvert = me->mvert;
while(eve) {
if(eve->keyindex>=0)
VECSUB(ofs[i], mvert->co, oldverts[eve->keyindex].co);
eve= eve->next;
i++;
mvert++;
}
}
}
/* Lets reorder the key data so that things line up roughly
* with the way things were before editmode */
currkey = me->key->block.first;
while(currkey) {
int apply_offset = (ofs && (currkey != actkey) && (em->shapenr-1 == currkey->relative));
fp= newkey= MEM_callocN(me->key->elemsize*em->totvert, "currkey->data");
oldkey = currkey->data;
eve= em->verts.first;
i = 0;
mvert = me->mvert;
while(eve) {
if (eve->keyindex >= 0 && eve->keyindex < currkey->totelem) { // valid old vertex
if(currkey == actkey) {
if(actkey == me->key->refkey) {
VECCOPY(fp, mvert->co);
}
else {
VECCOPY(fp, mvert->co);
if(oldverts) {
VECCOPY(mvert->co, oldverts[eve->keyindex].co);
}
}
}
else {
if(oldkey) {
VECCOPY(fp, oldkey + 3 * eve->keyindex);
}
}
}
else {
VECCOPY(fp, mvert->co);
}
/* propagate edited basis offsets to other shapes */
if(apply_offset) {
VECADD(fp, fp, ofs[i]);
}
fp+= 3;
++i;
++mvert;
eve= eve->next;
}
currkey->totelem= em->totvert;
if(currkey->data) MEM_freeN(currkey->data);
currkey->data = newkey;
currkey= currkey->next;
}
if(ofs) MEM_freeN(ofs);
}
if(oldverts) MEM_freeN(oldverts);
i = 0;
for(ese=em->selected.first; ese; ese=ese->next) i++;
me->totselect = i;
if(i==0) mselect= NULL;
else mselect= MEM_callocN(i*sizeof(MSelect), "loadeditMesh selections");
if(me->mselect) MEM_freeN(me->mselect);
me->mselect= mselect;
for(ese=em->selected.first; ese; ese=ese->next){
mselect->type = ese->type;
if(ese->type == EDITVERT) mselect->index = ((EditVert*)ese->data)->tmp.l;
else if(ese->type == EDITEDGE) mselect->index = ((EditEdge*)ese->data)->tmp.l;
else if(ese->type == EDITFACE) mselect->index = ((EditFace*)ese->data)->tmp.l;
mselect++;
}
/* to be sure: clear ->tmp.l pointers */
eve= em->verts.first;
while(eve) {
eve->tmp.l = 0;
eve= eve->next;
}
eed= em->edges.first;
while(eed) {
eed->tmp.l = 0;
eed= eed->next;
}
efa= em->faces.first;
while(efa) {
efa->tmp.l = 0;
efa= efa->next;
}
/* remake softbody of all users */
if(me->id.us>1) {
Base *base;
for(base= scene->base.first; base; base= base->next)
if(base->object->data==me)
base->object->recalc |= OB_RECALC_DATA;
}
mesh_calc_normals(me->mvert, me->totvert, me->mface, me->totface, NULL);
/* topology could be changed, ensure mdisps are ok */
multires_topology_changed(scene, obedit);
}
void remake_editMesh(Scene *scene, Object *ob)
{
make_editMesh(scene, ob);
DAG_id_tag_update(&ob->id, OB_RECALC_DATA);
BIF_undo_push("Undo all changes");
}
/* *************** Operator: separate parts *************/
static EnumPropertyItem prop_separate_types[] = {
{0, "SELECTED", 0, "Selection", ""},
{1, "MATERIAL", 0, "By Material", ""},
{2, "LOOSE", 0, "By loose parts", ""},
{0, NULL, 0, NULL, NULL}
};
/* return 1: success */
static int mesh_separate_selected(wmOperator *op, Main *bmain, Scene *scene, Base *editbase)
{
EditMesh *em, *emnew;
EditVert *eve, *v1;
EditEdge *eed, *e1;
EditFace *efa, *f1;
Object *obedit;
Mesh *me, *menew;
Base *basenew;
if(editbase==NULL) return 0;
obedit= editbase->object;
me= obedit->data;
em= BKE_mesh_get_editmesh(me);
if(me->key) {
BKE_report(op->reports, RPT_WARNING, "Can't separate mesh with shape keys.");
BKE_mesh_end_editmesh(me, em);
return 0;
}
if(em->selected.first)
BLI_freelistN(&(em->selected)); /* clear the selection order */
EM_selectmode_set(em); // enforce full consistent selection flags
EM_stats_update(em);
if(em->totvertsel==0) {
BKE_mesh_end_editmesh(me, em);
return 0;
}
/* we are going to work as follows:
* 1. add a linked duplicate object: this will be the new one, we remember old pointer
* 2. give new object empty mesh and put in editmode
* 3: do a split if needed on current editmesh.
* 4. copy over: all NOT selected verts, edges, faces
* 5. call load_editMesh() on the new object
*/
/* 1 */
basenew= ED_object_add_duplicate(bmain, scene, editbase, 0); /* 0 = fully linked */
ED_base_object_select(basenew, BA_DESELECT);
/* 2 */
basenew->object->data= menew= add_mesh(me->id.name+2); /* empty */
assign_matarar(basenew->object, give_matarar(obedit), *give_totcolp(obedit)); /* new in 2.5 */
me->id.us--;
make_editMesh(scene, basenew->object);
emnew= menew->edit_mesh;
CustomData_copy(&em->vdata, &emnew->vdata, CD_MASK_EDITMESH, CD_DEFAULT, 0);
CustomData_copy(&em->edata, &emnew->edata, CD_MASK_EDITMESH, CD_DEFAULT, 0);
CustomData_copy(&em->fdata, &emnew->fdata, CD_MASK_EDITMESH, CD_DEFAULT, 0);
/* 3 */
/* SPLIT: first make duplicate */
adduplicateflag(em, SELECT);
/* SPLIT: old faces have 3x flag 128 set, delete these ones */
delfaceflag(em, 128);
/* since we do tricky things with verts/edges/faces, this makes sure all is selected coherent */
EM_selectmode_set(em);
/* 4 */
/* move over: everything that is selected */
for(eve= em->verts.first; eve; eve= v1) {
v1= eve->next;
if(eve->f & SELECT) {
BLI_remlink(&em->verts, eve);
BLI_addtail(&emnew->verts, eve);
}
}
for(eed= em->edges.first; eed; eed= e1) {
e1= eed->next;
if(eed->f & SELECT) {
BLI_remlink(&em->edges, eed);
BLI_addtail(&emnew->edges, eed);
}
}
for(efa= em->faces.first; efa; efa= f1) {
f1= efa->next;
if (efa == em->act_face && (efa->f & SELECT)) {
EM_set_actFace(em, NULL);
}
if(efa->f & SELECT) {
BLI_remlink(&em->faces, efa);
BLI_addtail(&emnew->faces, efa);
}
}
/* 5 */
load_editMesh(scene, basenew->object);
free_editMesh(emnew);
MEM_freeN(menew->edit_mesh);
menew->edit_mesh= NULL;
/* hashedges are invalid now, make new! */
editMesh_set_hash(em);
DAG_id_tag_update(&obedit->id, OB_RECALC_DATA);
DAG_id_tag_update(&basenew->object->id, OB_RECALC_DATA);
BKE_mesh_end_editmesh(me, em);
return 1;
}
/* return 1: success */
static int mesh_separate_material(wmOperator *op, Main *bmain, Scene *scene, Base *editbase)
{
Mesh *me= editbase->object->data;
EditMesh *em= BKE_mesh_get_editmesh(me);
unsigned char curr_mat;
for (curr_mat = 1; curr_mat < editbase->object->totcol; ++curr_mat) {
/* clear selection, we're going to use that to select material group */
EM_clear_flag_all(em, SELECT);
/* select the material */
EM_select_by_material(em, curr_mat);
/* and now separate */
if(0==mesh_separate_selected(op, bmain, scene, editbase)) {
BKE_mesh_end_editmesh(me, em);
return 0;
}
}
BKE_mesh_end_editmesh(me, em);
return 1;
}
/* return 1: success */
static int mesh_separate_loose(wmOperator *op, Main *bmain, Scene *scene, Base *editbase)
{
Mesh *me;
EditMesh *em;
int doit= 1;
me= editbase->object->data;
em= BKE_mesh_get_editmesh(me);
if(me->key) {
error("Can't separate with vertex keys");
BKE_mesh_end_editmesh(me, em);
return 0;
}
EM_clear_flag_all(em, SELECT);
while(doit) {
/* Select a random vert to start with */
EditVert *eve;
int tot;
/* check if all verts that are visible have been done */
for(eve=em->verts.first; eve; eve= eve->next)
if(!eve->h) break;
if(eve==NULL) break; /* only hidden verts left, quit early */
/* first non hidden vert */
eve->f |= SELECT;
selectconnected_mesh_all(em);
/* don't separate the very last part */
for(eve=em->verts.first; eve; eve= eve->next)
if((eve->f & SELECT)==0) break;
if(eve==NULL) break;
tot= BLI_countlist(&em->verts);
/* and now separate */
doit= mesh_separate_selected(op, bmain, scene, editbase);
/* with hidden verts this can happen */
if(tot == BLI_countlist(&em->verts))
break;
}
BKE_mesh_end_editmesh(me, em);
return 1;
}
static int mesh_separate_exec(bContext *C, wmOperator *op)
{
Main *bmain= CTX_data_main(C);
Scene *scene= CTX_data_scene(C);
Base *base= CTX_data_active_base(C);
int retval= 0, type= RNA_enum_get(op->ptr, "type");
if(type == 0)
retval= mesh_separate_selected(op, bmain, scene, base);
else if(type == 1)
retval= mesh_separate_material(op, bmain, scene, base);
else if(type == 2)
retval= mesh_separate_loose(op, bmain, scene, base);
if(retval) {
WM_event_add_notifier(C, NC_GEOM|ND_DATA, base->object->data);
// XXX: new object was created, but selection wasn't actually changed
// need this for outliner update without adding new ND. nazgul.
WM_event_add_notifier(C, NC_SCENE|ND_OB_SELECT, scene);
return OPERATOR_FINISHED;
}
return OPERATOR_CANCELLED;
}
void MESH_OT_separate(wmOperatorType *ot)
{
/* identifiers */
ot->name= "Separate";
ot->description= "Separate selected geometry into a new mesh";
ot->idname= "MESH_OT_separate";
/* api callbacks */
ot->invoke= WM_menu_invoke;
ot->exec= mesh_separate_exec;
ot->poll= ED_operator_editmesh;
/* flags */
ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
ot->prop= RNA_def_enum(ot->srna, "type", prop_separate_types, 0, "Type", "");
}
/* ******************************************** */
/* *************** UNDO ***************************** */
/* new mesh undo, based on pushing editmesh data itself */
/* reuses same code as for global and curve undo... unify that (ton) */
/* only one 'hack', to save memory it doesn't store the first push, but does a remake editmesh */
/* a compressed version of editmesh data */
typedef struct EditVertC
{
float no[3];
float co[3];
unsigned char f, h;
short bweight;
int keyindex;
} EditVertC;
typedef struct EditEdgeC
{
int v1, v2;
unsigned char f, h, seam, sharp, pad;
short crease, bweight, fgoni;
} EditEdgeC;
typedef struct EditFaceC
{
int v1, v2, v3, v4;
unsigned char flag, f, h, fgonf, pad1;
short mat_nr;
} EditFaceC;
typedef struct EditSelectionC{
short type;
int index;
}EditSelectionC;
typedef struct UndoMesh {
EditVertC *verts;
EditEdgeC *edges;
EditFaceC *faces;
EditSelectionC *selected;
int totvert, totedge, totface, totsel;
int selectmode, shapenr;
char retopo_mode;
CustomData vdata, edata, fdata;
} UndoMesh;
/* for callbacks */
static void free_undoMesh(void *umv)
{
UndoMesh *um= umv;
if(um->verts) MEM_freeN(um->verts);
if(um->edges) MEM_freeN(um->edges);
if(um->faces) MEM_freeN(um->faces);
if(um->selected) MEM_freeN(um->selected);
// XXX if(um->retopo_paint_data) retopo_free_paint_data(um->retopo_paint_data);
CustomData_free(&um->vdata, um->totvert);
CustomData_free(&um->edata, um->totedge);
CustomData_free(&um->fdata, um->totface);
MEM_freeN(um);
}
static void *editMesh_to_undoMesh(void *emv)
{
EditMesh *em= (EditMesh *)emv;
UndoMesh *um;
EditVert *eve;
EditEdge *eed;
EditFace *efa;
EditSelection *ese;
EditVertC *evec=NULL;
EditEdgeC *eedc=NULL;
EditFaceC *efac=NULL;
EditSelectionC *esec=NULL;
int a;
um= MEM_callocN(sizeof(UndoMesh), "undomesh");
um->selectmode = em->selectmode;
um->shapenr = em->shapenr;
for(eve=em->verts.first; eve; eve= eve->next) um->totvert++;
for(eed=em->edges.first; eed; eed= eed->next) um->totedge++;
for(efa=em->faces.first; efa; efa= efa->next) um->totface++;
for(ese=em->selected.first; ese; ese=ese->next) um->totsel++;
/* malloc blocks */
if(um->totvert) evec= um->verts= MEM_callocN(um->totvert*sizeof(EditVertC), "allvertsC");
if(um->totedge) eedc= um->edges= MEM_callocN(um->totedge*sizeof(EditEdgeC), "alledgesC");
if(um->totface) efac= um->faces= MEM_callocN(um->totface*sizeof(EditFaceC), "allfacesC");
if(um->totsel) esec= um->selected= MEM_callocN(um->totsel*sizeof(EditSelectionC), "allselections");
if(um->totvert) CustomData_copy(&em->vdata, &um->vdata, CD_MASK_EDITMESH, CD_CALLOC, um->totvert);
if(um->totedge) CustomData_copy(&em->edata, &um->edata, CD_MASK_EDITMESH, CD_CALLOC, um->totedge);
if(um->totface) CustomData_copy(&em->fdata, &um->fdata, CD_MASK_EDITMESH, CD_CALLOC, um->totface);
/* now copy vertices */
a = 0;
for(eve=em->verts.first; eve; eve= eve->next, evec++, a++) {
VECCOPY(evec->co, eve->co);
VECCOPY(evec->no, eve->no);
evec->f= eve->f;
evec->h= eve->h;
evec->keyindex= eve->keyindex;
eve->tmp.l = a; /*store index*/
evec->bweight= (short)(eve->bweight*255.0);
CustomData_from_em_block(&em->vdata, &um->vdata, eve->data, a);
}
/* copy edges */
a = 0;
for(eed=em->edges.first; eed; eed= eed->next, eedc++, a++) {
eedc->v1= (int)eed->v1->tmp.l;
eedc->v2= (int)eed->v2->tmp.l;
eedc->f= eed->f;
eedc->h= eed->h;
eedc->seam= eed->seam;
eedc->sharp= eed->sharp;
eedc->crease= (short)(eed->crease*255.0);
eedc->bweight= (short)(eed->bweight*255.0);
eedc->fgoni= eed->fgoni;
eed->tmp.l = a; /*store index*/
CustomData_from_em_block(&em->edata, &um->edata, eed->data, a);
}
/* copy faces */
a = 0;
for(efa=em->faces.first; efa; efa= efa->next, efac++, a++) {
efac->v1= (int)efa->v1->tmp.l;
efac->v2= (int)efa->v2->tmp.l;
efac->v3= (int)efa->v3->tmp.l;
if(efa->v4) efac->v4= (int)efa->v4->tmp.l;
else efac->v4= -1;
efac->mat_nr= efa->mat_nr;
efac->flag= efa->flag;
efac->f= efa->f;
efac->h= efa->h;
efac->fgonf= efa->fgonf;
efa->tmp.l = a; /*store index*/
CustomData_from_em_block(&em->fdata, &um->fdata, efa->data, a);
}
a = 0;
for(ese=em->selected.first; ese; ese=ese->next, esec++){
esec->type = ese->type;
if(ese->type == EDITVERT) a = esec->index = ((EditVert*)ese->data)->tmp.l;
else if(ese->type == EDITEDGE) a = esec->index = ((EditEdge*)ese->data)->tmp.l;
else if(ese->type == EDITFACE) a = esec->index = ((EditFace*)ese->data)->tmp.l;
}
// XXX um->retopo_paint_data= retopo_paint_data_copy(em->retopo_paint_data);
// um->retopo_mode= scene->toolsettings->retopo_mode;
return um;
}
static void undoMesh_to_editMesh(void *umv, void *emv)
{
EditMesh *em= (EditMesh *)emv;
UndoMesh *um= (UndoMesh *)umv;
EditVert *eve, **evar=NULL;
EditEdge *eed;
EditFace *efa;
EditSelection *ese;
EditVertC *evec;
EditEdgeC *eedc;
EditFaceC *efac;
EditSelectionC *esec;
int a=0;
free_editMesh(em);
/* malloc blocks */
memset(em, 0, sizeof(EditMesh));
em->selectmode = um->selectmode;
em->shapenr = um->shapenr;
init_editmesh_fastmalloc(em, um->totvert, um->totedge, um->totface);
CustomData_free(&em->vdata, 0);
CustomData_free(&em->edata, 0);
CustomData_free(&em->fdata, 0);
CustomData_copy(&um->vdata, &em->vdata, CD_MASK_EDITMESH, CD_CALLOC, 0);
CustomData_copy(&um->edata, &em->edata, CD_MASK_EDITMESH, CD_CALLOC, 0);
CustomData_copy(&um->fdata, &em->fdata, CD_MASK_EDITMESH, CD_CALLOC, 0);
/* now copy vertices */
if(um->totvert) evar= MEM_mallocN(um->totvert*sizeof(EditVert *), "vertex ar");
for(a=0, evec= um->verts; a<um->totvert; a++, evec++) {
eve= addvertlist(em, evec->co, NULL);
evar[a]= eve;
VECCOPY(eve->no, evec->no);
eve->f= evec->f;
eve->h= evec->h;
eve->keyindex= evec->keyindex;
eve->bweight= ((float)evec->bweight)/255.0f;
CustomData_to_em_block(&um->vdata, &em->vdata, a, &eve->data);
}
/* copy edges */
for(a=0, eedc= um->edges; a<um->totedge; a++, eedc++) {
eed= addedgelist(em, evar[eedc->v1], evar[eedc->v2], NULL);
eed->f= eedc->f;
eed->h= eedc->h;
eed->seam= eedc->seam;
eed->sharp= eedc->sharp;
eed->fgoni= eedc->fgoni;
eed->crease= ((float)eedc->crease)/255.0f;
eed->bweight= ((float)eedc->bweight)/255.0f;
CustomData_to_em_block(&um->edata, &em->edata, a, &eed->data);
}
/* copy faces */
for(a=0, efac= um->faces; a<um->totface; a++, efac++) {
if(efac->v4 != -1)
efa= addfacelist(em, evar[efac->v1], evar[efac->v2], evar[efac->v3], evar[efac->v4], NULL, NULL);
else
efa= addfacelist(em, evar[efac->v1], evar[efac->v2], evar[efac->v3], NULL, NULL ,NULL);
efa->mat_nr= efac->mat_nr;
efa->flag= efac->flag;
efa->f= efac->f;
efa->h= efac->h;
efa->fgonf= efac->fgonf;
CustomData_to_em_block(&um->fdata, &em->fdata, a, &efa->data);
}
end_editmesh_fastmalloc();
if(evar) MEM_freeN(evar);
em->totvert = um->totvert;
em->totedge = um->totedge;
em->totface = um->totface;
/*restore stored editselections*/
if(um->totsel){
EM_init_index_arrays(em, 1,1,1);
for(a=0, esec= um->selected; a<um->totsel; a++, esec++){
ese = MEM_callocN(sizeof(EditSelection), "Edit Selection");
ese->type = esec->type;
if(ese->type == EDITVERT) ese->data = EM_get_vert_for_index(esec->index); else
if(ese->type == EDITEDGE) ese->data = EM_get_edge_for_index(esec->index); else
if(ese->type == EDITFACE) ese->data = EM_get_face_for_index(esec->index);
BLI_addtail(&(em->selected),ese);
}
EM_free_index_arrays();
}
/* restore total selections */
EM_nvertices_selected(em);
EM_nedges_selected(em);
EM_nfaces_selected(em);
// XXX retopo_free_paint();
// em->retopo_paint_data= retopo_paint_data_copy(um->retopo_paint_data);
// scene->toolsettings->retopo_mode= um->retopo_mode;
// if(scene->toolsettings->retopo_mode) {
// XXX if(G.vd->depths) G.vd->depths->damaged= 1;
// retopo_queue_updates(G.vd);
// retopo_paint_view_update(G.vd);
// }
}
static void *getEditMesh(bContext *C)
{
Object *obedit= CTX_data_edit_object(C);
if(obedit && obedit->type==OB_MESH) {
Mesh *me= obedit->data;
return me->edit_mesh;
}
return NULL;
}
/* and this is all the undo system needs to know */
void undo_push_mesh(bContext *C, const char *name)
{
undo_editmode_push(C, name, getEditMesh, free_undoMesh, undoMesh_to_editMesh, editMesh_to_undoMesh, NULL);
}
/* *************** END UNDO *************/
static EditVert **g_em_vert_array = NULL;
static EditEdge **g_em_edge_array = NULL;
static EditFace **g_em_face_array = NULL;
void EM_init_index_arrays(EditMesh *em, int forVert, int forEdge, int forFace)
{
EditVert *eve;
EditEdge *eed;
EditFace *efa;
int i;
if (forVert) {
em->totvert= BLI_countlist(&em->verts);
if(em->totvert) {
g_em_vert_array = MEM_mallocN(sizeof(*g_em_vert_array)*em->totvert, "em_v_arr");
for (i=0,eve=em->verts.first; eve; i++,eve=eve->next)
g_em_vert_array[i] = eve;
}
}
if (forEdge) {
em->totedge= BLI_countlist(&em->edges);
if(em->totedge) {
g_em_edge_array = MEM_mallocN(sizeof(*g_em_edge_array)*em->totedge, "em_e_arr");
for (i=0,eed=em->edges.first; eed; i++,eed=eed->next)
g_em_edge_array[i] = eed;
}
}
if (forFace) {
em->totface= BLI_countlist(&em->faces);
if(em->totface) {
g_em_face_array = MEM_mallocN(sizeof(*g_em_face_array)*em->totface, "em_f_arr");
for (i=0,efa=em->faces.first; efa; i++,efa=efa->next)
g_em_face_array[i] = efa;
}
}
}
void EM_free_index_arrays(void)
{
if (g_em_vert_array) MEM_freeN(g_em_vert_array);
if (g_em_edge_array) MEM_freeN(g_em_edge_array);
if (g_em_face_array) MEM_freeN(g_em_face_array);
g_em_vert_array = NULL;
g_em_edge_array = NULL;
g_em_face_array = NULL;
}
EditVert *EM_get_vert_for_index(int index)
{
return g_em_vert_array?g_em_vert_array[index]:NULL;
}
EditEdge *EM_get_edge_for_index(int index)
{
return g_em_edge_array?g_em_edge_array[index]:NULL;
}
EditFace *EM_get_face_for_index(int index)
{
return g_em_face_array?g_em_face_array[index]:NULL;
}
/* can we edit UV's for this mesh?*/
int EM_texFaceCheck(EditMesh *em)
{
/* some of these checks could be a touch overkill */
if ( (em) &&
(em->faces.first) &&
(CustomData_has_layer(&em->fdata, CD_MTFACE)))
return 1;
return 0;
}
/* can we edit colors for this mesh?*/
int EM_vertColorCheck(EditMesh *em)
{
/* some of these checks could be a touch overkill */
if ( (em) &&
(em->faces.first) &&
(CustomData_has_layer(&em->fdata, CD_MCOL)))
return 1;
return 0;
}
void em_setup_viewcontext(bContext *C, ViewContext *vc)
{
view3d_set_viewcontext(C, vc);
if(vc->obedit) {
Mesh *me= vc->obedit->data;
vc->em= me->edit_mesh;
}
}
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