/* 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_face_sel= paint_facesel_test(ob);
const short is_paint_vert_sel= is_paint_face_sel ? FALSE : paint_vertsel_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_face_sel)
eve->f |= (mvert->flag & SELECT);
if (mvert->flag & ME_HIDE) eve->h= 1;
normal_short_to_float_v3(eve->no, mvert->no);
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) {
int is_sel;
if (is_paint_vert_sel) {
/* when from vertex select, flush flags to edges,
* allow selection, code below handles editmode selection conversion */
is_sel= (eed->v1->f & SELECT) && (eed->v2->f & SELECT);
}
else {
is_sel= (medge->flag & SELECT);
}
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 & ME_FGON) eed->h= EM_FGON; // 2 different defines!
if(medge->flag & ME_HIDE) eed->h |= 1;
if(is_sel) eed->f |= SELECT;
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 {
int is_sel;
if (!is_paint_vert_sel) {
is_sel= (mface->flag & ME_FACE_SEL);
}
else {
/* when from vertex select, flush flags to edges,
* allow selection, code below handles editmode selection conversion */
is_sel= ( (efa->v1->f & SELECT) &&
(efa->v2->f & SELECT) &&
(efa->v3->f & SELECT) &&
(efa->v4 == NULL || efa->v4->f & SELECT)
);
}
if (a==me->act_face) {
EM_set_actFace(em, efa);
}
/* dont allow hidden and selected */
if(is_sel) {
efa->f |= SELECT;
if(is_paint_face_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 */
}
}
static int navmesh_face_copy_exec(bContext *C, wmOperator *op)
{
Object *obedit= CTX_data_edit_object(C);
EditMesh *em= BKE_mesh_get_editmesh((Mesh *)obedit->data);
/* do work here */
EditFace *efa_act= EM_get_actFace(em, 0);
if(efa_act) {
if(CustomData_has_layer(&em->fdata, CD_RECAST)) {
EditFace *efa;
int targetPolyIdx= *(int*)CustomData_em_get(&em->fdata, efa_act->data, CD_RECAST);
targetPolyIdx= targetPolyIdx>=0? targetPolyIdx : -targetPolyIdx;
if(targetPolyIdx > 0) {
/* set target poly idx to other selected faces */
for (efa= (EditFace *)em->faces.first; efa; efa= efa->next) {
if((efa->f & SELECT) && efa != efa_act) {
int* recastDataBlock= (int*)CustomData_em_get(&em->fdata, efa->data, CD_RECAST);
*recastDataBlock= targetPolyIdx;
}
}
}
else {
BKE_report(op->reports, RPT_ERROR, "Active face has no index set");
}
}
}
DAG_id_tag_update((ID*)obedit->data, OB_RECALC_DATA);
WM_event_add_notifier(C, NC_GEOM|ND_DATA, obedit->data);
BKE_mesh_end_editmesh((Mesh*)obedit->data, em);
return OPERATOR_FINISHED;
}
/* 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;
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 */
normal_float_to_short_v3(mvert->no, eve->no);
/* 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)(255.0f*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)(255.0f*eed->crease);
medge->bweight= (char)(255.0f*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==obedit && 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 */
float (*fp)[3]= actkey->data;
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) {
sub_v3_v3v3(ofs[i], mvert->co, fp[eve->keyindex]);
}
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);
}
