/* options that can be passed:
* BME_BEVEL_VWEIGHT <---- v, Look at vertex weights; use defgrp_index if option is present
* BME_BEVEL_SELECT <---- v,e, check selection for verts and edges
* BME_BEVEL_ANGLE <---- v,e, don't bevel-tag verts - tag verts per edge
* BME_BEVEL_VERT <---- e, don't tag edges
* BME_BEVEL_EWEIGHT <---- e, use crease flag for now
* BME_BEVEL_PERCENT <---- Will need to think about this one; will probably need to incorporate into actual bevel routine
* BME_BEVEL_RADIUS <---- Will need to think about this one; will probably need to incorporate into actual bevel routine
* All weights/limits are stored per-vertex
*/
BME_Mesh *BME_bevel(BME_Mesh *bm, float value, int res, int options, int defgrp_index, float angle, BME_TransData_Head **rtd) {
BME_Vert *v;
BME_TransData_Head *td;
BME_TransData *vtd;
int i;
float fac=1, d;
td = BME_init_transdata(BLI_MEMARENA_STD_BUFSIZE);
BME_bevel_initialize(bm, options, defgrp_index, angle, td);
/* recursion math courtesy of Martin Poirier (theeth) */
for (i=0; i<res-1; i++) {
if (i==0) fac += 1.0f/3.0f; else fac += 1.0f/(3 * i * 2.0f);
}
d = 1.0f/fac;
/* crazy idea. if res == 0, don't remove original geometry */
for (i=0; i<res || (res==0 && i==0); i++) {
if (i != 0) BME_bevel_reinitialize(bm);
BME_model_begin(bm);
BME_bevel_mesh(bm,d,res,options,defgrp_index,td);
BME_model_end(bm);
if (i==0) d /= 3; else d /= 2;
}
BME_tesselate(bm);
if (rtd) {
*rtd = td;
return bm;
}
/* transform pass */
for (v = bm->verts.first; v; v=v->next) {
if ( (vtd = BME_get_transdata(td, v)) ) {
if (vtd->max && (*vtd->max > 0 && value > *vtd->max)) {
d = *vtd->max;
}
else {
d = value;
}
VECADDFAC(v->co,vtd->org,vtd->vec,vtd->factor*d);
}
v->tflag1 = 0;
}
BME_free_transdata(td);
return bm;
}
/* Adds the geometry found in dm to bm
*/
BME_Mesh *BME_derivedmesh_to_bmesh(DerivedMesh *dm)
{
BME_Mesh *bm;
int allocsize[4] = {512,512,2048,512};
MVert *mvert, *mv;
MEdge *medge, *me;
MFace *mface, *mf;
int totface,totedge,totvert,i,len, numTex, numCol;
BME_Vert *v1=NULL,*v2=NULL, **vert_array;
BME_Edge *e=NULL;
BME_Poly *f=NULL;
EdgeHash *edge_hash = BLI_edgehash_new();
bm = BME_make_mesh(allocsize);
/*copy custom data layout*/
CustomData_copy(&dm->vertData, &bm->vdata, CD_MASK_BMESH, CD_CALLOC, 0);
CustomData_copy(&dm->edgeData, &bm->edata, CD_MASK_BMESH, CD_CALLOC, 0);
CustomData_copy(&dm->faceData, &bm->pdata, CD_MASK_BMESH, CD_CALLOC, 0);
/*copy face corner data*/
CustomData_to_bmeshpoly(&dm->faceData, &bm->pdata, &bm->ldata);
/*initialize memory pools*/
CustomData_bmesh_init_pool(&bm->vdata, allocsize[0]);
CustomData_bmesh_init_pool(&bm->edata, allocsize[1]);
CustomData_bmesh_init_pool(&bm->ldata, allocsize[2]);
CustomData_bmesh_init_pool(&bm->pdata, allocsize[3]);
/*needed later*/
numTex = CustomData_number_of_layers(&bm->pdata, CD_MTEXPOLY);
numCol = CustomData_number_of_layers(&bm->ldata, CD_MLOOPCOL);
totvert = dm->getNumVerts(dm);
totedge = dm->getNumEdges(dm);
totface = dm->getNumFaces(dm);
mvert = dm->getVertArray(dm);
medge = dm->getEdgeArray(dm);
mface = dm->getFaceArray(dm);
vert_array = MEM_mallocN(sizeof(*vert_array)*totvert,"BME_derivedmesh_to_bmesh BME_Vert* array");
BME_model_begin(bm);
/*add verts*/
for(i=0,mv = mvert; i < totvert;i++,mv++){
v1 = BME_MV(bm,mv->co);
vert_array[i] = v1;
v1->flag = mv->flag;
v1->bweight = mv->bweight/255.0f;
CustomData_to_bmesh_block(&dm->vertData, &bm->vdata, i, &v1->data);
}
/*add edges*/
for(i=0,me = medge; i < totedge;i++,me++){
v1 = vert_array[me->v1];
v2 = vert_array[me->v2];
e = BME_ME(bm, v1, v2);
e->crease = me->crease/255.0f;
e->bweight = me->bweight/255.0f;
e->flag = (unsigned char)me->flag;
BLI_edgehash_insert(edge_hash,me->v1,me->v2,e);
CustomData_to_bmesh_block(&dm->edgeData, &bm->edata, i, &e->data);
}
/*add faces.*/
for(i=0,mf = mface; i < totface;i++,mf++){
BME_Edge *edar[4];
if(mf->v4) len = 4;
else len = 3;
edar[0] = BLI_edgehash_lookup(edge_hash,mf->v1,mf->v2);
edar[1] = BLI_edgehash_lookup(edge_hash,mf->v2,mf->v3);
if(len == 4){
edar[2] = BLI_edgehash_lookup(edge_hash,mf->v3,mf->v4);
edar[3] = BLI_edgehash_lookup(edge_hash,mf->v4,mf->v1);
}
else
edar[2] = BLI_edgehash_lookup(edge_hash,mf->v3,mf->v1);
/*find v1 and v2*/
v1 = vert_array[mf->v1];
v2 = vert_array[mf->v2];
f = BME_MF(bm,v1,v2,edar,len);
f->mat_nr = mf->mat_nr;
f->flag = mf->flag;
CustomData_to_bmesh_block(&dm->faceData,&bm->pdata,i,&f->data);
BME_DMcorners_to_loops(bm, &dm->faceData,i,f, numCol,numTex);
}
BME_model_end(bm);
BLI_edgehash_free(edge_hash, NULL);
MEM_freeN(vert_array);
return bm;
}
/*move the EditMesh conversion functions to editmesh_tools.c*/
BME_Mesh *BME_editmesh_to_bmesh(EditMesh *em) {
BME_Mesh *bm;
int allocsize[4] = {512,512,2048,512}, numTex, numCol;
BME_Vert *v1, *v2;
BME_Edge *e, *edar[4];
BME_Poly *f;
EditVert *eve;
EditEdge *eed;
EditFace *efa;
int len;
bm = BME_make_mesh(allocsize);
/*copy custom data layout*/
CustomData_copy(&em->vdata, &bm->vdata, CD_MASK_BMESH, CD_CALLOC, 0);
CustomData_copy(&em->edata, &bm->edata, CD_MASK_BMESH, CD_CALLOC, 0);
CustomData_copy(&em->fdata, &bm->pdata, CD_MASK_BMESH, CD_CALLOC, 0);
/*copy face corner data*/
CustomData_to_bmeshpoly(&em->fdata, &bm->pdata, &bm->ldata);
/*initialize memory pools*/
CustomData_bmesh_init_pool(&bm->vdata, allocsize[0]);
CustomData_bmesh_init_pool(&bm->edata, allocsize[1]);
CustomData_bmesh_init_pool(&bm->ldata, allocsize[2]);
CustomData_bmesh_init_pool(&bm->pdata, allocsize[3]);
/*needed later*/
numTex = CustomData_number_of_layers(&bm->pdata, CD_MTEXPOLY);
numCol = CustomData_number_of_layers(&bm->ldata, CD_MLOOPCOL);
BME_model_begin(bm);
/*add verts*/
eve= em->verts.first;
while(eve) {
v1 = BME_MV(bm,eve->co);
VECCOPY(v1->no,eve->no);
v1->flag = eve->f;
v1->h = eve->h;
v1->bweight = eve->bweight;
/*Copy Custom Data*/
CustomData_bmesh_copy_data(&em->vdata, &bm->vdata, eve->data, &v1->data);
eve->tmp.v = (EditVert*)v1;
eve = eve->next;
}
/*add edges*/
eed= em->edges.first;
while(eed) {
v1 = (BME_Vert*)eed->v1->tmp.v;
v2 = (BME_Vert*)eed->v2->tmp.v;
e = BME_ME(bm, v1, v2);
e->crease = eed->crease;
e->bweight = eed->bweight;
e->flag = eed->f & SELECT;
if(eed->sharp) e->flag |= ME_SHARP;
if(eed->seam) e->flag |= ME_SEAM;
//XXX if(eed->h & EM_FGON) e->flag |= ME_FGON;
if(eed->h & 1) e->flag |= ME_HIDE;
eed->tmp.e = (EditEdge*)e;
CustomData_bmesh_copy_data(&em->edata, &bm->edata, eed->data, &e->data);
eed = eed->next;
}
/*add faces.*/
efa= em->faces.first;
while(efa) {
if(efa->v4) len = 4;
else len = 3;
edar[0] = (BME_Edge*)efa->e1->tmp.e;
edar[1] = (BME_Edge*)efa->e2->tmp.e;
edar[2] = (BME_Edge*)efa->e3->tmp.e;
if(len == 4){
edar[3] = (BME_Edge*)efa->e4->tmp.e;
}
/*find v1 and v2*/
v1 = (BME_Vert*)efa->v1->tmp.v;
v2 = (BME_Vert*)efa->v2->tmp.v;
f = BME_MF(bm,v1,v2,edar,len);
f->mat_nr = efa->mat_nr;
f->flag = efa->flag;
if(efa->h) {
f->flag |= ME_HIDE;
f->flag &= ~ME_FACE_SEL;
}
else {
if(efa->f & 1) f->flag |= ME_FACE_SEL;
else f->flag &= ~ME_FACE_SEL;
}
CustomData_bmesh_copy_data(&em->fdata, &bm->pdata, efa->data, &f->data);
BME_corners_to_loops(bm, &em->fdata, efa->data, f,numCol,numTex);
efa = efa->next;
}
BME_model_end(bm);
return bm;
}
