/* 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 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;
copy_v3_v3(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);
}
void EditMeshAddVerts(int NumberVerts, float* Vertices)
{
VertsList = new EditVert*[NumberVerts];
for(int Index = 0; Index < NumberVerts; Index++)
{
VertsList[Index] = addvertlist(&Vertices[Index*3], Index);
}
}
static int dupli_extrude_cursor(bContext *C, wmOperator *op, wmEvent *event)
{
ViewContext vc;
EditVert *eve;
float min[3], max[3];
int done= 0;
short use_proj;
em_setup_viewcontext(C, &vc);
use_proj= (vc.scene->toolsettings->snap_flag & SCE_SNAP) && (vc.scene->toolsettings->snap_mode==SCE_SNAP_MODE_FACE);
invert_m4_m4(vc.obedit->imat, vc.obedit->obmat);
INIT_MINMAX(min, max);
for(eve= vc.em->verts.first; eve; eve= eve->next) {
if(eve->f & SELECT) {
DO_MINMAX(eve->co, min, max);
done= 1;
}
}
/* call extrude? */
if(done) {
const short rot_src= RNA_boolean_get(op->ptr, "rotate_source");
EditEdge *eed;
float vec[3], cent[3], mat[3][3];
float nor[3]= {0.0, 0.0, 0.0};
/* 2D normal calc */
float mval_f[2];
mval_f[0]= (float)event->mval[0];
mval_f[1]= (float)event->mval[1];
done= 0;
/* calculate the normal for selected edges */
for(eed= vc.em->edges.first; eed; eed= eed->next) {
if(eed->f & SELECT) {
float co1[3], co2[3];
mul_v3_m4v3(co1, vc.obedit->obmat, eed->v1->co);
mul_v3_m4v3(co2, vc.obedit->obmat, eed->v2->co);
project_float_noclip(vc.ar, co1, co1);
project_float_noclip(vc.ar, co2, co2);
/* 2D rotate by 90d while adding.
* (x, y) = (y, -x)
*
* accumulate the screenspace normal in 2D,
* with screenspace edge length weighting the result. */
if(line_point_side_v2(co1, co2, mval_f) >= 0.0f) {
nor[0] += (co1[1] - co2[1]);
nor[1] += -(co1[0] - co2[0]);
}
else {
nor[0] += (co2[1] - co1[1]);
nor[1] += -(co2[0] - co1[0]);
}
done= 1;
}
}
if(done) {
float view_vec[3], cross[3];
/* convert the 2D nomal into 3D */
mul_mat3_m4_v3(vc.rv3d->viewinv, nor); /* worldspace */
mul_mat3_m4_v3(vc.obedit->imat, nor); /* local space */
/* correct the normal to be aligned on the view plane */
copy_v3_v3(view_vec, vc.rv3d->viewinv[2]);
mul_mat3_m4_v3(vc.obedit->imat, view_vec);
cross_v3_v3v3(cross, nor, view_vec);
cross_v3_v3v3(nor, view_vec, cross);
normalize_v3(nor);
}
/* center */
mid_v3_v3v3(cent, min, max);
copy_v3_v3(min, cent);
mul_m4_v3(vc.obedit->obmat, min); // view space
view3d_get_view_aligned_coordinate(&vc, min, event->mval, TRUE);
mul_m4_v3(vc.obedit->imat, min); // back in object space
sub_v3_v3(min, cent);
/* calculate rotation */
unit_m3(mat);
if(done) {
float dot;
copy_v3_v3(vec, min);
normalize_v3(vec);
dot= dot_v3v3(vec, nor);
if( fabs(dot)<0.999) {
float cross[3], si, q1[4];
cross_v3_v3v3(cross, nor, vec);
normalize_v3(cross);
dot= 0.5f*saacos(dot);
/* halve the rotation if its applied twice */
if(rot_src) dot *= 0.5f;
si= (float)sin(dot);
q1[0]= (float)cos(dot);
q1[1]= cross[0]*si;
q1[2]= cross[1]*si;
q1[3]= cross[2]*si;
quat_to_mat3( mat,q1);
}
}
if(rot_src) {
rotateflag(vc.em, SELECT, cent, mat);
/* also project the source, for retopo workflow */
if(use_proj)
EM_project_snap_verts(C, vc.ar, vc.obedit, vc.em);
}
extrudeflag(vc.obedit, vc.em, SELECT, nor, 0);
rotateflag(vc.em, SELECT, cent, mat);
translateflag(vc.em, SELECT, min);
recalc_editnormals(vc.em);
}
else if(vc.em->selectmode & SCE_SELECT_VERTEX) {
float imat[4][4];
const float *curs= give_cursor(vc.scene, vc.v3d);
copy_v3_v3(min, curs);
view3d_get_view_aligned_coordinate(&vc, min, event->mval, TRUE);
eve= addvertlist(vc.em, 0, NULL);
invert_m4_m4(imat, vc.obedit->obmat);
mul_v3_m4v3(eve->co, imat, min);
eve->f= SELECT;
}
if(use_proj)
EM_project_snap_verts(C, vc.ar, vc.obedit, vc.em);
WM_event_add_notifier(C, NC_GEOM|ND_DATA, vc.obedit->data);
DAG_id_tag_update(vc.obedit->data, 0);
return OPERATOR_FINISHED;
}
static void make_prim(Object *obedit, int type, float mat[4][4], int tot, int seg,
int subdiv, float dia, float depth, int ext, int fill)
{
/*
* type - for the type of shape
* dia - the radius for cone,sphere cylinder etc.
* depth -
* ext - extrude
* fill - end capping, and option to fill in circle
* cent[3] - center of the data.
* */
EditMesh *em= BKE_mesh_get_editmesh(((Mesh *)obedit->data));
EditVert *eve, *v1=NULL, *v2, *v3, *v4=NULL, *vtop, *vdown;
float phi, phid, vec[3];
float q[4], cmat[3][3], nor[3]= {0.0, 0.0, 0.0};
short a, b;
EM_clear_flag_all(em, SELECT);
phid= 2.0f*(float)M_PI/tot;
phi= .25f*(float)M_PI;
switch(type) {
case PRIM_GRID: /* grid */
/* clear flags */
eve= em->verts.first;
while(eve) {
eve->f= 0;
eve= eve->next;
}
/* one segment first: the X axis */
phi = (2*dia)/(float)(tot-1);
phid = (2*dia)/(float)(seg-1);
for(a=tot-1;a>=0;a--) {
vec[0] = (phi*a) - dia;
vec[1]= - dia;
vec[2]= 0.0f;
eve= addvertlist(em, vec, NULL);
eve->f= 1+2+4;
if(a < tot -1) addedgelist(em, eve->prev, eve, NULL);
}
/* extrude and translate */
vec[0]= vec[2]= 0.0;
vec[1]= phid;
for(a=0;a<seg-1;a++) {
extrudeflag_vert(obedit, em, 2, nor, 0); // nor unused
translateflag(em, 2, vec);
}
/* and now do imat */
eve= em->verts.first;
while(eve) {
if(eve->f & SELECT) {
mul_m4_v3(mat,eve->co);
}
eve= eve->next;
}
recalc_editnormals(em);
break;
case PRIM_UVSPHERE: /* UVsphere */
/* clear all flags */
eve= em->verts.first;
while(eve) {
eve->f= 0;
eve= eve->next;
}
/* one segment first */
phi= 0;
phid/=2;
for(a=0; a<=tot; a++) {
vec[0]= dia*sinf(phi);
vec[1]= 0.0;
vec[2]= dia*cosf(phi);
eve= addvertlist(em, vec, NULL);
eve->f= 1+2+4;
if(a==0) v1= eve;
else addedgelist(em, eve, eve->prev, NULL);
phi+= phid;
}
/* extrude and rotate */
phi= M_PI/seg;
q[0]= cos(phi);
q[3]= sin(phi);
q[1]=q[2]= 0;
quat_to_mat3( cmat,q);
for(a=0; a<seg; a++) {
extrudeflag_vert(obedit, em, 2, nor, 0); // nor unused
rotateflag(em, 2, v1->co, cmat);
}
removedoublesflag(em, 4, 0, 0.0001);
/* and now do imat */
eve= em->verts.first;
while(eve) {
if(eve->f & SELECT) {
mul_m4_v3(mat,eve->co);
}
eve= eve->next;
}
recalc_editnormals(em);
break;
case PRIM_ICOSPHERE: /* Icosphere */
{
EditVert *eva[12];
EditEdge *eed;
/* clear all flags */
eve= em->verts.first;
while(eve) {
eve->f= 0;
eve= eve->next;
}
dia/=200;
for(a=0;a<12;a++) {
vec[0]= dia*icovert[a][0];
vec[1]= dia*icovert[a][1];
vec[2]= dia*icovert[a][2];
eva[a]= addvertlist(em, vec, NULL);
eva[a]->f= 1+2;
}
for(a=0;a<20;a++) {
EditFace *evtemp;
v1= eva[ icoface[a][0] ];
v2= eva[ icoface[a][1] ];
v3= eva[ icoface[a][2] ];
evtemp = addfacelist(em, v1, v2, v3, 0, NULL, NULL);
evtemp->e1->f = 1+2;
evtemp->e2->f = 1+2;
evtemp->e3->f = 1+2;
}
dia*=200;
for(a=1; a<subdiv; a++) esubdivideflag(obedit, em, 2, dia, 0, B_SPHERE,1, SUBDIV_CORNER_PATH, 0);
/* and now do imat */
eve= em->verts.first;
while(eve) {
if(eve->f & 2) {
mul_m4_v3(mat,eve->co);
}
eve= eve->next;
}
// Clear the flag 2 from the edges
for(eed=em->edges.first;eed;eed=eed->next){
if(eed->f & 2){
eed->f &= !2;
}
}
}
break;
case PRIM_MONKEY: /* Monkey */
{
//extern int monkeyo, monkeynv, monkeynf;
//extern signed char monkeyf[][4];
//extern signed char monkeyv[][3];
EditVert **tv= MEM_mallocN(sizeof(*tv)*monkeynv*2, "tv");
int i;
for (i=0; i<monkeynv; i++) {
float v[3];
v[0]= (monkeyv[i][0]+127)/128.0, v[1]= monkeyv[i][1]/128.0, v[2]= monkeyv[i][2]/128.0;
tv[i]= addvertlist(em, v, NULL);
tv[i]->f |= SELECT;
tv[monkeynv+i]= (fabs(v[0]= -v[0])<0.001)?tv[i]:addvertlist(em, v, NULL);
tv[monkeynv+i]->f |= SELECT;
}
for (i=0; i<monkeynf; i++) {
addfacelist(em, tv[monkeyf[i][0]+i-monkeyo], tv[monkeyf[i][1]+i-monkeyo], tv[monkeyf[i][2]+i-monkeyo], (monkeyf[i][3]!=monkeyf[i][2])?tv[monkeyf[i][3]+i-monkeyo]:NULL, NULL, NULL);
addfacelist(em, tv[monkeynv+monkeyf[i][2]+i-monkeyo], tv[monkeynv+monkeyf[i][1]+i-monkeyo], tv[monkeynv+monkeyf[i][0]+i-monkeyo], (monkeyf[i][3]!=monkeyf[i][2])?tv[monkeynv+monkeyf[i][3]+i-monkeyo]:NULL, NULL, NULL);
}
MEM_freeN(tv);
/* and now do imat */
for(eve= em->verts.first; eve; eve= eve->next) {
if(eve->f & SELECT) {
mul_m4_v3(mat,eve->co);
}
}
recalc_editnormals(em);
}
break;
default: /* all types except grid, sphere... */
if(type==PRIM_CONE);
else if(ext==0)
depth= 0.0f;
/* first vertex at 0° for circular objects */
if( ELEM3(type, PRIM_CIRCLE,PRIM_CYLINDER,PRIM_CONE) )
phi = 0.0f;
vtop= vdown= v1= v2= 0;
for(b=0; b<=ext; b++) {
for(a=0; a<tot; a++) {
vec[0]= dia*sinf(phi);
vec[1]= dia*cosf(phi);
vec[2]= b?depth:-depth;
mul_m4_v3(mat, vec);
eve= addvertlist(em, vec, NULL);
eve->f= SELECT;
if(a==0) {
if(b==0) v1= eve;
else v2= eve;
}
phi+=phid;
}
}
/* center vertices */
/* type PRIM_CONE can only have 1 one side filled
* if the cone has no capping, dont add vtop */
if(type == PRIM_CONE || (fill && !ELEM(type, PRIM_PLANE, PRIM_CUBE))) {
vec[0]= vec[1]= 0.0f;
vec[2]= type==PRIM_CONE ? depth : -depth;
mul_m4_v3(mat, vec);
vdown= addvertlist(em, vec, NULL);
if((ext || type==PRIM_CONE) && fill) {
vec[0]= vec[1]= 0.0f;
vec[2]= type==PRIM_CONE ? -depth : depth;
mul_m4_v3(mat,vec);
vtop= addvertlist(em, vec, NULL);
}
} else {
vdown= v1;
vtop= v2;
}
if(vtop) vtop->f= SELECT;
if(vdown) vdown->f= SELECT;
/* top and bottom face */
if(fill || type==PRIM_CONE) {
if(tot==4 && ELEM(type, PRIM_PLANE, PRIM_CUBE)) {
v3= v1->next->next;
if(ext) v4= v2->next->next;
addfacelist(em, v3, v1->next, v1, v3->next, NULL, NULL);
if(ext) addfacelist(em, v2, v2->next, v4, v4->next, NULL, NULL);
}
else {
v3= v1;
v4= v2;
for(a=1; a<tot; a++) {
addfacelist(em, vdown, v3, v3->next, 0, NULL, NULL);
v3= v3->next;
if(ext && fill) {
addfacelist(em, vtop, v4, v4->next, 0, NULL, NULL);
v4= v4->next;
}
}
if(!ELEM(type, PRIM_PLANE, PRIM_CUBE)) {
addfacelist(em, vdown, v3, v1, 0, NULL, NULL);
if(ext) addfacelist(em, vtop, v4, v2, 0, NULL, NULL);
}
}
}
else if(type==PRIM_CIRCLE) { /* we need edges for a circle */
v3= v1;
for(a=1;a<tot;a++) {
addedgelist(em, v3, v3->next, NULL);
v3= v3->next;
}
addedgelist(em, v3, v1, NULL);
}
/* side faces */
if(ext) {
v3= v1;
v4= v2;
for(a=1; a<tot; a++) {
addfacelist(em, v3, v3->next, v4->next, v4, NULL, NULL);
v3= v3->next;
v4= v4->next;
}
addfacelist(em, v3, v1, v2, v4, NULL, NULL);
}
else if(fill && type==PRIM_CONE) {
/* add the bottom flat area of the cone
* if capping is disabled dont bother */
v3= v1;
for(a=1; a<tot; a++) {
addfacelist(em, vtop, v3->next, v3, 0, NULL, NULL);
v3= v3->next;
}
addfacelist(em, vtop, v1, v3, 0, NULL, NULL);
}
}
EM_stats_update(em);
/* simple selection flush OK, based on fact it's a single model */
EM_select_flush(em); /* flushes vertex -> edge -> face selection */
if(!ELEM5(type, PRIM_GRID, PRIM_PLANE, PRIM_ICOSPHERE, PRIM_UVSPHERE, PRIM_MONKEY))
EM_recalc_normal_direction(em, FALSE, TRUE); /* otherwise monkey has eyes in wrong direction */
BKE_mesh_end_editmesh(obedit->data, em);
}
static Object* createRepresentation(bContext *C, struct recast_polyMesh *pmesh, struct recast_polyMeshDetail *dmesh, Base* base)
{
float co[3], rot[3];
EditMesh *em;
int i,j, k;
unsigned short* v;
int face[3];
Scene *scene= CTX_data_scene(C);
Object* obedit;
int createob= base==NULL;
int nverts, nmeshes, nvp;
unsigned short *verts, *polys;
unsigned int *meshes;
float bmin[3], cs, ch, *dverts;
unsigned char *tris;
zero_v3(co);
zero_v3(rot);
if(createob) {
/* create new object */
obedit= ED_object_add_type(C, OB_MESH, co, rot, FALSE, 1);
}
else {
obedit= base->object;
scene_select_base(scene, base);
copy_v3_v3(obedit->loc, co);
copy_v3_v3(obedit->rot, rot);
}
ED_object_enter_editmode(C, EM_DO_UNDO|EM_IGNORE_LAYER);
em= BKE_mesh_get_editmesh(((Mesh *)obedit->data));
if(!createob) {
/* clear */
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));
}
/* create verts for polygon mesh */
verts= recast_polyMeshGetVerts(pmesh, &nverts);
recast_polyMeshGetBoundbox(pmesh, bmin, NULL);
recast_polyMeshGetCell(pmesh, &cs, &ch);
for(i= 0; i<nverts; i++) {
v= &verts[3*i];
co[0]= bmin[0] + v[0]*cs;
co[1]= bmin[1] + v[1]*ch;
co[2]= bmin[2] + v[2]*cs;
SWAP(float, co[1], co[2]);
addvertlist(em, co, NULL);
}
/* create custom data layer to save polygon idx */
CustomData_add_layer_named(&em->fdata, CD_RECAST, CD_CALLOC, NULL, 0, "createRepresentation recastData");
/* create verts and faces for detailed mesh */
meshes= recast_polyMeshDetailGetMeshes(dmesh, &nmeshes);
polys= recast_polyMeshGetPolys(pmesh, NULL, &nvp);
dverts= recast_polyMeshDetailGetVerts(dmesh, NULL);
tris= recast_polyMeshDetailGetTris(dmesh, NULL);
for(i= 0; i<nmeshes; i++) {
int uniquevbase= em->totvert;
unsigned int vbase= meshes[4*i+0];
unsigned short ndv= meshes[4*i+1];
unsigned short tribase= meshes[4*i+2];
unsigned short trinum= meshes[4*i+3];
const unsigned short* p= &polys[i*nvp*2];
int nv= 0;
for(j= 0; j < nvp; ++j) {
if(p[j]==0xffff) break;
nv++;
}
/* create unique verts */
for(j= nv; j<ndv; j++) {
copy_v3_v3(co, &dverts[3*(vbase + j)]);
SWAP(float, co[1], co[2]);
addvertlist(em, co, NULL);
}
EM_init_index_arrays(em, 1, 0, 0);
/* create faces */
for(j= 0; j<trinum; j++) {
unsigned char* tri= &tris[4*(tribase+j)];
EditFace* newFace;
int* polygonIdx;
for(k= 0; k<3; k++) {
if(tri[k]<nv)
face[k]= p[tri[k]]; /* shared vertex */
else
face[k]= uniquevbase+tri[k]-nv; /* unique vertex */
}
newFace= addfacelist(em, EM_get_vert_for_index(face[0]), EM_get_vert_for_index(face[2]),
EM_get_vert_for_index(face[1]), NULL, NULL, NULL);
/* set navigation polygon idx to the custom layer */
polygonIdx= (int*)CustomData_em_get(&em->fdata, newFace->data, CD_RECAST);
*polygonIdx= i+1; /* add 1 to avoid zero idx */
}
EM_free_index_arrays();
}
recast_destroyPolyMesh(pmesh);
recast_destroyPolyMeshDetail(dmesh);
BKE_mesh_end_editmesh((Mesh*)obedit->data, em);
DAG_id_tag_update((ID*)obedit->data, OB_RECALC_DATA);
WM_event_add_notifier(C, NC_GEOM|ND_DATA, obedit->data);
ED_object_exit_editmode(C, EM_FREEDATA);
WM_event_add_notifier(C, NC_OBJECT|ND_DRAW, obedit);
if(createob) {
obedit->gameflag&= ~OB_COLLISION;
obedit->gameflag|= OB_NAVMESH;
obedit->body_type= OB_BODY_TYPE_NAVMESH;
rename_id((ID *)obedit, "Navmesh");
}
BKE_mesh_ensure_navmesh(obedit->data);
return obedit;
}
