static void mesh_ensure_tessellation_customdata(Mesh *me)
{
if (UNLIKELY((me->totface != 0) && (me->totpoly == 0))) {
/* Pass, otherwise this function clears 'mface' before
* versioning 'mface -> mpoly' code kicks in [#30583]
*
* Callers could also check but safer to do here - campbell */
}
else {
const int tottex_original = CustomData_number_of_layers(&me->pdata, CD_MTEXPOLY);
const int totcol_original = CustomData_number_of_layers(&me->ldata, CD_MLOOPCOL);
const int tottex_tessface = CustomData_number_of_layers(&me->fdata, CD_MTFACE);
const int totcol_tessface = CustomData_number_of_layers(&me->fdata, CD_MCOL);
if (tottex_tessface != tottex_original ||
totcol_tessface != totcol_original)
{
BKE_mesh_tessface_clear(me);
CustomData_from_bmeshpoly(&me->fdata, &me->pdata, &me->ldata, me->totface);
/* TODO - add some --debug-mesh option */
if (G.debug & G_DEBUG) {
/* note: this warning may be un-called for if we are initializing the mesh for the
* first time from bmesh, rather then giving a warning about this we could be smarter
* and check if there was any data to begin with, for now just print the warning with
* some info to help troubleshoot whats going on - campbell */
printf("%s: warning! Tessellation uvs or vcol data got out of sync, "
"had to reset!\n CD_MTFACE: %d != CD_MTEXPOLY: %d || CD_MCOL: %d != CD_MLOOPCOL: %d\n",
__func__, tottex_tessface, tottex_original, totcol_tessface, totcol_original);
}
}
}
}
DerivedMesh *BME_bmesh_to_derivedmesh(BME_Mesh *bm, DerivedMesh *dm)
{
MFace *mface, *mf;
MEdge *medge, *me;
MVert *mvert, *mv;
int *origindex;
int totface,totedge,totvert,i,bmeshok,len, numTex, numCol;
BME_Vert *v1=NULL;
BME_Edge *e=NULL, *oe=NULL;
BME_Poly *f=NULL;
DerivedMesh *result;
EdgeHash *edge_hash = BLI_edgehash_new();
totvert = BLI_countlist(&(bm->verts));
totedge = 0;
/*we cannot have double edges in a derived mesh!*/
for(i=0, v1=bm->verts.first; v1; v1=v1->next, i++) v1->tflag1 = i;
for(e=bm->edges.first; e; e=e->next){
oe = BLI_edgehash_lookup(edge_hash,e->v1->tflag1, e->v2->tflag1);
if(!oe){
totedge++;
BLI_edgehash_insert(edge_hash,e->v1->tflag1,e->v2->tflag1,e);
e->tflag2 = 1;
}
else{
e->tflag2 = 0;
}
}
/*count quads and tris*/
totface = 0;
bmeshok = 1;
for(f=bm->polys.first;f;f=f->next){
len = BME_cycle_length(f->loopbase);
if(len == 3 || len == 4) totface++;
}
/*convert back to mesh*/
result = CDDM_from_template(dm,totvert,totedge,totface);
CustomData_merge(&bm->vdata, &result->vertData, CD_MASK_BMESH, CD_CALLOC, totvert);
CustomData_merge(&bm->edata, &result->edgeData, CD_MASK_BMESH, CD_CALLOC, totedge);
CustomData_merge(&bm->pdata, &result->faceData, CD_MASK_BMESH, CD_CALLOC, totface);
CustomData_from_bmeshpoly(&result->faceData, &bm->pdata, &bm->ldata,totface);
numTex = CustomData_number_of_layers(&bm->pdata, CD_MTEXPOLY);
numCol = CustomData_number_of_layers(&bm->ldata, CD_MLOOPCOL);
/*Make Verts*/
mvert = CDDM_get_verts(result);
origindex = result->getVertDataArray(result, CD_ORIGINDEX);
for(i=0,v1=bm->verts.first,mv=mvert;v1;v1=v1->next,i++,mv++){
VECCOPY(mv->co,v1->co);
mv->flag = (unsigned char)v1->flag;
mv->bweight = (char)(255.0*v1->bweight);
CustomData_from_bmesh_block(&bm->vdata, &result->vertData, &v1->data, i);
origindex[i] = ORIGINDEX_NONE;
}
medge = CDDM_get_edges(result);
origindex = result->getEdgeDataArray(result, CD_ORIGINDEX);
i=0;
for(e=bm->edges.first,me=medge;e;e=e->next){
if(e->tflag2){
if(e->v1->tflag1 < e->v2->tflag1){
me->v1 = e->v1->tflag1;
me->v2 = e->v2->tflag1;
}
else{
me->v1 = e->v2->tflag1;
me->v2 = e->v1->tflag1;
}
me->crease = (char)(255.0*e->crease);
me->bweight = (char)(255.0*e->bweight);
me->flag = e->flag;
CustomData_from_bmesh_block(&bm->edata, &result->edgeData, &e->data, i);
origindex[i] = ORIGINDEX_NONE;
me++;
i++;
}
}
if(totface){
mface = CDDM_get_faces(result);
origindex = result->getFaceDataArray(result, CD_ORIGINDEX);
/*make faces*/
for(i=0,f=bm->polys.first;f;f=f->next){
mf = &mface[i];
len = BME_cycle_length(f->loopbase);
if(len==3 || len==4){
mf->v1 = f->loopbase->v->tflag1;
mf->v2 = f->loopbase->next->v->tflag1;
mf->v3 = f->loopbase->next->next->v->tflag1;
if(len == 4){
mf->v4 = f->loopbase->prev->v->tflag1;
}
/* test and rotate indexes if necessary so that verts 3 and 4 aren't index 0 */
if(mf->v3 == 0 || (len == 4 && mf->v4 == 0)){
test_index_face(mf, NULL, i, len);
}
mf->mat_nr = (unsigned char)f->mat_nr;
mf->flag = (unsigned char)f->flag;
CustomData_from_bmesh_block(&bm->pdata, &result->faceData, &f->data, i);
BME_DMloops_to_corners(bm, &result->faceData, i, f,numCol,numTex);
origindex[i] = ORIGINDEX_NONE;
i++;
}
}
}
BLI_edgehash_free(edge_hash, NULL);
return result;
}
/* adds the geometry in the bmesh to editMesh (does not free editMesh)
* if td != NULL, the transdata will be mapped to the EditVert's co */
void BME_bmesh_to_editmesh(BME_Mesh *bm, BME_TransData_Head *td, EditMesh *em) {
BME_Vert *v1;
BME_Edge *e;
BME_Poly *f;
BME_TransData *vtd;
EditVert *eve1, *eve2, *eve3, *eve4, **evlist;
EditEdge *eed;
EditFace *efa;
int totvert, len, i, numTex, numCol;
if (em == NULL) return;
CustomData_copy(&bm->vdata, &em->vdata, CD_MASK_BMESH, CD_CALLOC, 0);
CustomData_copy(&bm->edata, &em->edata, CD_MASK_BMESH, CD_CALLOC, 0);
CustomData_copy(&bm->pdata, &em->fdata, CD_MASK_BMESH, CD_CALLOC, 0);
CustomData_from_bmeshpoly(&em->fdata, &bm->pdata, &bm->ldata,0);
numTex = CustomData_number_of_layers(&bm->pdata, CD_MTEXPOLY);
numCol = CustomData_number_of_layers(&bm->ldata, CD_MLOOPCOL);
/* convert to EditMesh */
/* make editverts */
totvert = BLI_countlist(&(bm->verts));
evlist= (EditVert **)MEM_mallocN(totvert*sizeof(void *),"evlist");
for (i=0,v1=bm->verts.first;v1;v1=v1->next,i++) {
v1->tflag1 = i;
eve1 = NULL; //XXX addvertlist(v1->co,NULL);
if (td && (vtd = BME_get_transdata(td,v1))) {
vtd->loc = eve1->co;
}
eve1->keyindex = i;
evlist[i]= eve1;
eve1->f = (unsigned char)v1->flag;
eve1->h = (unsigned char)v1->h;
eve1->bweight = v1->bweight;
CustomData_em_copy_data(&bm->vdata, &em->vdata, v1->data, &eve1->data);
}
/* make edges */
for (e=bm->edges.first;e;e=e->next) {
if(0) { //XXX if(!(findedgelist(evlist[e->v1->tflag1], evlist[e->v2->tflag1]))){
eed= NULL; //XXX addedgelist(evlist[e->v1->tflag1], evlist[e->v2->tflag1], NULL);
eed->crease = e->crease;
eed->bweight = e->bweight;
if(e->flag & ME_SEAM) eed->seam = 1;
if(e->flag & ME_SHARP) eed->sharp = 1;
if(e->flag & SELECT) eed->f |= SELECT;
//XXX if(e->flag & ME_FGON) eed->h= EM_FGON; // 2 different defines!
if(e->flag & ME_HIDE) eed->h |= 1;
if(em->selectmode==SCE_SELECT_EDGE) {
; //XXX EM_select_edge(eed, eed->f & SELECT);
}
CustomData_em_copy_data(&bm->edata, &em->edata, e->data, &eed->data);
}
}
/* make faces */
for (f=bm->polys.first;f;f=f->next) {
len = BME_cycle_length(f->loopbase);
if (len==3 || len==4) {
eve1= evlist[f->loopbase->v->tflag1];
eve2= evlist[f->loopbase->next->v->tflag1];
eve3= evlist[f->loopbase->next->next->v->tflag1];
if (len == 4) {
eve4= evlist[f->loopbase->prev->v->tflag1];
}
else {
eve4= NULL;
}
efa = NULL; //XXX addfacelist(eve1, eve2, eve3, eve4, NULL, NULL);
efa->mat_nr = (unsigned char)f->mat_nr;
efa->flag= f->flag & ~ME_HIDE;
if(f->flag & ME_FACE_SEL) {
efa->f |= SELECT;
}
if(f->flag & ME_HIDE) efa->h= 1;
// XXX flag depricated
// if((G.f & G_FACESELECT) && (efa->f & SELECT))
//XXX EM_select_face(efa, 1); /* flush down */
CustomData_em_copy_data(&bm->pdata, &em->fdata, f->data, &efa->data);
BME_loops_to_corners(bm, &em->fdata, efa->data, f,numCol,numTex);
}
}
MEM_freeN(evlist);
}
