void BM_mesh_copy_init_customdata(BMesh *bm_dst, BMesh *bm_src, const BMAllocTemplate *allocsize)
{
	if (allocsize == NULL) {
		allocsize = &bm_mesh_allocsize_default;
	}

	CustomData_copy(&bm_src->vdata, &bm_dst->vdata, CD_MASK_BMESH, CD_CALLOC, 0);
	CustomData_copy(&bm_src->edata, &bm_dst->edata, CD_MASK_BMESH, CD_CALLOC, 0);
	CustomData_copy(&bm_src->ldata, &bm_dst->ldata, CD_MASK_BMESH, CD_CALLOC, 0);
	CustomData_copy(&bm_src->pdata, &bm_dst->pdata, CD_MASK_BMESH, CD_CALLOC, 0);

	CustomData_bmesh_init_pool(&bm_dst->vdata, allocsize->totvert, BM_VERT);
	CustomData_bmesh_init_pool(&bm_dst->edata, allocsize->totedge, BM_EDGE);
	CustomData_bmesh_init_pool(&bm_dst->ldata, allocsize->totloop, BM_LOOP);
	CustomData_bmesh_init_pool(&bm_dst->pdata, allocsize->totface, BM_FACE);
}
Beispiel #2
0
/**
 * \brief Mesh -> BMesh
 * \param bm: The mesh to write into, while this is typically a newly created BMesh,
 * merging into existing data is supported.
 * Note the custom-data layout isn't used.
 * If more comprehensive merging is needed we should move this into a separate function
 * since this should be kept fast for edit-mode switching and storing undo steps.
 *
 * \warning This function doesn't calculate face normals.
 */
void BM_mesh_bm_from_me(
        BMesh *bm, Mesh *me,
        const struct BMeshFromMeshParams *params)
{
	const bool is_new =
	        !(bm->totvert ||
	          (bm->vdata.totlayer || bm->edata.totlayer || bm->pdata.totlayer || bm->ldata.totlayer));
	MVert *mvert;
	MEdge *medge;
	MLoop *mloop;
	MPoly *mp;
	KeyBlock *actkey, *block;
	BMVert *v, **vtable = NULL;
	BMEdge *e, **etable = NULL;
	BMFace *f, **ftable = NULL;
	float (*keyco)[3] = NULL;
	int totuv, totloops, i;

	if (!me || !me->totvert) {
		if (me && is_new) { /*no verts? still copy customdata layout*/
			CustomData_copy(&me->vdata, &bm->vdata, CD_MASK_BMESH, CD_ASSIGN, 0);
			CustomData_copy(&me->edata, &bm->edata, CD_MASK_BMESH, CD_ASSIGN, 0);
			CustomData_copy(&me->ldata, &bm->ldata, CD_MASK_BMESH, CD_ASSIGN, 0);
			CustomData_copy(&me->pdata, &bm->pdata, CD_MASK_BMESH, CD_ASSIGN, 0);

			CustomData_bmesh_init_pool(&bm->vdata, me->totvert, BM_VERT);
			CustomData_bmesh_init_pool(&bm->edata, me->totedge, BM_EDGE);
			CustomData_bmesh_init_pool(&bm->ldata, me->totloop, BM_LOOP);
			CustomData_bmesh_init_pool(&bm->pdata, me->totpoly, BM_FACE);
		}
		return; /* sanity check */
	}

	if (is_new) {
		CustomData_copy(&me->vdata, &bm->vdata, CD_MASK_BMESH, CD_CALLOC, 0);
		CustomData_copy(&me->edata, &bm->edata, CD_MASK_BMESH, CD_CALLOC, 0);
		CustomData_copy(&me->ldata, &bm->ldata, CD_MASK_BMESH, CD_CALLOC, 0);
		CustomData_copy(&me->pdata, &bm->pdata, CD_MASK_BMESH, CD_CALLOC, 0);

		/* make sure uv layer names are consisten */
		totuv = CustomData_number_of_layers(&bm->pdata, CD_MTEXPOLY);
		for (i = 0; i < totuv; i++) {
			int li = CustomData_get_layer_index_n(&bm->pdata, CD_MTEXPOLY, i);
			CustomData_set_layer_name(&bm->ldata, CD_MLOOPUV, i, bm->pdata.layers[li].name);
		}
	}

	/* -------------------------------------------------------------------- */
	/* Shape Key */
	int tot_shape_keys = me->key ? BLI_listbase_count(&me->key->block) : 0;
	if (is_new == false) {
		tot_shape_keys = min_ii(tot_shape_keys, CustomData_number_of_layers(&bm->vdata, CD_SHAPEKEY));
	}
	const float (**shape_key_table)[3] = tot_shape_keys ? BLI_array_alloca(shape_key_table, tot_shape_keys) : NULL;

	if ((params->active_shapekey != 0) && (me->key != NULL)) {
		actkey = BLI_findlink(&me->key->block, params->active_shapekey - 1);
	}
	else {
		actkey = NULL;
	}

	if (is_new) {
		if (tot_shape_keys || params->add_key_index) {
			CustomData_add_layer(&bm->vdata, CD_SHAPE_KEYINDEX, CD_ASSIGN, NULL, 0);
		}
	}

	if (tot_shape_keys) {
		if (is_new) {
			/* check if we need to generate unique ids for the shapekeys.
			 * this also exists in the file reading code, but is here for
			 * a sanity check */
			if (!me->key->uidgen) {
				fprintf(stderr,
				        "%s had to generate shape key uid's in a situation we shouldn't need to! "
				        "(bmesh internal error)\n",
				        __func__);

				me->key->uidgen = 1;
				for (block = me->key->block.first; block; block = block->next) {
					block->uid = me->key->uidgen++;
				}
			}
		}

		if (actkey && actkey->totelem == me->totvert) {
			keyco = params->use_shapekey ? actkey->data : NULL;
			if (is_new) {
				bm->shapenr = params->active_shapekey;
			}
		}

		for (i = 0, block = me->key->block.first; i < tot_shape_keys; block = block->next, i++) {
			if (is_new) {
				CustomData_add_layer_named(&bm->vdata, CD_SHAPEKEY,
				                           CD_ASSIGN, NULL, 0, block->name);
				int j = CustomData_get_layer_index_n(&bm->vdata, CD_SHAPEKEY, i);
				bm->vdata.layers[j].uid = block->uid;
			}
			shape_key_table[i] = (const float (*)[3])block->data;
		}
	}

	if (is_new) {
		CustomData_bmesh_init_pool(&bm->vdata, me->totvert, BM_VERT);
		CustomData_bmesh_init_pool(&bm->edata, me->totedge, BM_EDGE);
		CustomData_bmesh_init_pool(&bm->ldata, me->totloop, BM_LOOP);
		CustomData_bmesh_init_pool(&bm->pdata, me->totpoly, BM_FACE);

		BM_mesh_cd_flag_apply(bm, me->cd_flag);
	}

	const int cd_vert_bweight_offset = CustomData_get_offset(&bm->vdata, CD_BWEIGHT);
	const int cd_edge_bweight_offset = CustomData_get_offset(&bm->edata, CD_BWEIGHT);
	const int cd_edge_crease_offset  = CustomData_get_offset(&bm->edata, CD_CREASE);
	const int cd_shape_key_offset = me->key ? CustomData_get_offset(&bm->vdata, CD_SHAPEKEY) : -1;
	const int cd_shape_keyindex_offset = is_new && (tot_shape_keys || params->add_key_index) ?
	          CustomData_get_offset(&bm->vdata, CD_SHAPE_KEYINDEX) : -1;

	vtable = MEM_mallocN(sizeof(BMVert **) * me->totvert, __func__);

	for (i = 0, mvert = me->mvert; i < me->totvert; i++, mvert++) {
		v = vtable[i] = BM_vert_create(bm, keyco ? keyco[i] : mvert->co, NULL, BM_CREATE_SKIP_CD);
		BM_elem_index_set(v, i); /* set_ok */

		/* transfer flag */
		v->head.hflag = BM_vert_flag_from_mflag(mvert->flag & ~SELECT);

		/* this is necessary for selection counts to work properly */
		if (mvert->flag & SELECT) {
			BM_vert_select_set(bm, v, true);
		}

		normal_short_to_float_v3(v->no, mvert->no);

		/* Copy Custom Data */
		CustomData_to_bmesh_block(&me->vdata, &bm->vdata, i, &v->head.data, true);

		if (cd_vert_bweight_offset != -1) BM_ELEM_CD_SET_FLOAT(v, cd_vert_bweight_offset, (float)mvert->bweight / 255.0f);

		/* set shape key original index */
		if (cd_shape_keyindex_offset != -1) BM_ELEM_CD_SET_INT(v, cd_shape_keyindex_offset, i);

		/* set shapekey data */
		if (tot_shape_keys) {
			float (*co_dst)[3] = BM_ELEM_CD_GET_VOID_P(v, cd_shape_key_offset);
			for (int j = 0; j < tot_shape_keys; j++, co_dst++) {
				copy_v3_v3(*co_dst, shape_key_table[j][i]);
			}
		}
	}
	if (is_new) {
		bm->elem_index_dirty &= ~BM_VERT; /* added in order, clear dirty flag */
	}

	etable = MEM_mallocN(sizeof(BMEdge **) * me->totedge, __func__);

	medge = me->medge;
	for (i = 0; i < me->totedge; i++, medge++) {
		e = etable[i] = BM_edge_create(bm, vtable[medge->v1], vtable[medge->v2], NULL, BM_CREATE_SKIP_CD);
		BM_elem_index_set(e, i); /* set_ok */

		/* transfer flags */
		e->head.hflag = BM_edge_flag_from_mflag(medge->flag & ~SELECT);

		/* this is necessary for selection counts to work properly */
		if (medge->flag & SELECT) {
			BM_edge_select_set(bm, e, true);
		}

		/* Copy Custom Data */
		CustomData_to_bmesh_block(&me->edata, &bm->edata, i, &e->head.data, true);

		if (cd_edge_bweight_offset != -1) BM_ELEM_CD_SET_FLOAT(e, cd_edge_bweight_offset, (float)medge->bweight / 255.0f);
		if (cd_edge_crease_offset  != -1) BM_ELEM_CD_SET_FLOAT(e, cd_edge_crease_offset,  (float)medge->crease  / 255.0f);

	}
	if (is_new) {
		bm->elem_index_dirty &= ~BM_EDGE; /* added in order, clear dirty flag */
	}

	/* only needed for selection. */
	if (me->mselect && me->totselect != 0) {
		ftable = MEM_mallocN(sizeof(BMFace **) * me->totpoly, __func__);
	}

	mloop = me->mloop;
	mp = me->mpoly;
	for (i = 0, totloops = 0; i < me->totpoly; i++, mp++) {
		BMLoop *l_iter;
		BMLoop *l_first;

		f = bm_face_create_from_mpoly(mp, mloop + mp->loopstart,
		                              bm, vtable, etable);
		if (ftable != NULL) {
			ftable[i] = f;
		}

		if (UNLIKELY(f == NULL)) {
			printf("%s: Warning! Bad face in mesh"
			       " \"%s\" at index %d!, skipping\n",
			       __func__, me->id.name + 2, i);
			continue;
		}

		/* don't use 'i' since we may have skipped the face */
		BM_elem_index_set(f, bm->totface - 1); /* set_ok */

		/* transfer flag */
		f->head.hflag = BM_face_flag_from_mflag(mp->flag & ~ME_FACE_SEL);

		/* this is necessary for selection counts to work properly */
		if (mp->flag & ME_FACE_SEL) {
			BM_face_select_set(bm, f, true);
		}

		f->mat_nr = mp->mat_nr;
		if (i == me->act_face) bm->act_face = f;

		int j = mp->loopstart;
		l_iter = l_first = BM_FACE_FIRST_LOOP(f);
		do {
			/* don't use 'j' since we may have skipped some faces, hence some loops. */
			BM_elem_index_set(l_iter, totloops++); /* set_ok */

			/* Save index of correspsonding MLoop */
			CustomData_to_bmesh_block(&me->ldata, &bm->ldata, j++, &l_iter->head.data, true);
		} while ((l_iter = l_iter->next) != l_first);

		/* Copy Custom Data */
		CustomData_to_bmesh_block(&me->pdata, &bm->pdata, i, &f->head.data, true);

		if (params->calc_face_normal) {
			BM_face_normal_update(f);
		}
	}
	if (is_new) {
		bm->elem_index_dirty &= ~(BM_FACE | BM_LOOP); /* added in order, clear dirty flag */
	}

	/* -------------------------------------------------------------------- */
	/* MSelect clears the array elements (avoid adding multiple times).
	 *
	 * Take care to keep this last and not use (v/e/ftable) after this.
	 */

	if (me->mselect && me->totselect != 0) {
		MSelect *msel;
		for (i = 0, msel = me->mselect; i < me->totselect; i++, msel++) {
			BMElem **ele_p;
			switch (msel->type) {
				case ME_VSEL:
					ele_p = (BMElem **)&vtable[msel->index];
					break;
				case ME_ESEL:
					ele_p = (BMElem **)&etable[msel->index];
					break;
				case ME_FSEL:
					ele_p = (BMElem **)&ftable[msel->index];
					break;
				default:
					continue;
			}

			if (*ele_p != NULL) {
				BM_select_history_store_notest(bm, *ele_p);
				*ele_p = NULL;
			}
		}
	}
	else {
		BM_select_history_clear(bm);
	}

	MEM_freeN(vtable);
	MEM_freeN(etable);
	if (ftable) {
		MEM_freeN(ftable);
	}
}
Beispiel #3
0
/* 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;
}
Beispiel #4
0
/**
 * \brief Mesh -> BMesh
 *
 * \warning This function doesn't calculate face normals.
 */
void BM_mesh_bm_from_me(BMesh *bm, Mesh *me,
                        const bool calc_face_normal, const bool set_key, int act_key_nr)
{
	MVert *mvert;
	MEdge *medge;
	MLoop *mloop;
	MPoly *mp;
	KeyBlock *actkey, *block;
	BMVert *v, **vtable = NULL;
	BMEdge *e, **etable = NULL;
	BMFace *f;
	float (*keyco)[3] = NULL;
	int *keyi;
	int totuv, i, j;

	int cd_vert_bweight_offset;
	int cd_edge_bweight_offset;
	int cd_edge_crease_offset;

	/* free custom data */
	/* this isnt needed in most cases but do just incase */
	CustomData_free(&bm->vdata, bm->totvert);
	CustomData_free(&bm->edata, bm->totedge);
	CustomData_free(&bm->ldata, bm->totloop);
	CustomData_free(&bm->pdata, bm->totface);

	if (!me || !me->totvert) {
		if (me) { /*no verts? still copy customdata layout*/
			CustomData_copy(&me->vdata, &bm->vdata, CD_MASK_BMESH, CD_ASSIGN, 0);
			CustomData_copy(&me->edata, &bm->edata, CD_MASK_BMESH, CD_ASSIGN, 0);
			CustomData_copy(&me->ldata, &bm->ldata, CD_MASK_BMESH, CD_ASSIGN, 0);
			CustomData_copy(&me->pdata, &bm->pdata, CD_MASK_BMESH, CD_ASSIGN, 0);

			CustomData_bmesh_init_pool(&bm->vdata, me->totvert, BM_VERT);
			CustomData_bmesh_init_pool(&bm->edata, me->totedge, BM_EDGE);
			CustomData_bmesh_init_pool(&bm->ldata, me->totloop, BM_LOOP);
			CustomData_bmesh_init_pool(&bm->pdata, me->totpoly, BM_FACE);
		}
		return; /* sanity check */
	}

	vtable = MEM_mallocN(sizeof(void **) * me->totvert, "mesh to bmesh vtable");

	CustomData_copy(&me->vdata, &bm->vdata, CD_MASK_BMESH, CD_CALLOC, 0);
	CustomData_copy(&me->edata, &bm->edata, CD_MASK_BMESH, CD_CALLOC, 0);
	CustomData_copy(&me->ldata, &bm->ldata, CD_MASK_BMESH, CD_CALLOC, 0);
	CustomData_copy(&me->pdata, &bm->pdata, CD_MASK_BMESH, CD_CALLOC, 0);

	/* make sure uv layer names are consisten */
	totuv = CustomData_number_of_layers(&bm->pdata, CD_MTEXPOLY);
	for (i = 0; i < totuv; i++) {
		int li = CustomData_get_layer_index_n(&bm->pdata, CD_MTEXPOLY, i);
		CustomData_set_layer_name(&bm->ldata, CD_MLOOPUV, i, bm->pdata.layers[li].name);
	}

	if ((act_key_nr != 0) && (me->key != NULL)) {
		actkey = BLI_findlink(&me->key->block, act_key_nr - 1);
	}
	else {
		actkey = NULL;
	}

	if (me->key) {
		CustomData_add_layer(&bm->vdata, CD_SHAPE_KEYINDEX, CD_ASSIGN, NULL, 0);

		/* check if we need to generate unique ids for the shapekeys.
		 * this also exists in the file reading code, but is here for
		 * a sanity check */
		if (!me->key->uidgen) {
			fprintf(stderr,
			        "%s had to generate shape key uid's in a situation we shouldn't need to! "
			        "(bmesh internal error)\n",
			        __func__);

			me->key->uidgen = 1;
			for (block = me->key->block.first; block; block = block->next) {
				block->uid = me->key->uidgen++;
			}
		}

		if (actkey && actkey->totelem == me->totvert) {
			keyco = actkey->data;
			bm->shapenr = act_key_nr;
		}

		for (i = 0, block = me->key->block.first; block; block = block->next, i++) {
			CustomData_add_layer_named(&bm->vdata, CD_SHAPEKEY,
			                           CD_ASSIGN, NULL, 0, block->name);

			j = CustomData_get_layer_index_n(&bm->vdata, CD_SHAPEKEY, i);
			bm->vdata.layers[j].uid = block->uid;
		}
	}

	CustomData_bmesh_init_pool(&bm->vdata, me->totvert, BM_VERT);
	CustomData_bmesh_init_pool(&bm->edata, me->totedge, BM_EDGE);
	CustomData_bmesh_init_pool(&bm->ldata, me->totloop, BM_LOOP);
	CustomData_bmesh_init_pool(&bm->pdata, me->totpoly, BM_FACE);

	BM_mesh_cd_flag_apply(bm, me->cd_flag);

	cd_vert_bweight_offset = CustomData_get_offset(&bm->vdata, CD_BWEIGHT);
	cd_edge_bweight_offset = CustomData_get_offset(&bm->edata, CD_BWEIGHT);
	cd_edge_crease_offset  = CustomData_get_offset(&bm->edata, CD_CREASE);

	for (i = 0, mvert = me->mvert; i < me->totvert; i++, mvert++) {
		v = vtable[i] = BM_vert_create(bm, keyco && set_key ? keyco[i] : mvert->co, NULL, BM_CREATE_SKIP_CD);
		BM_elem_index_set(v, i); /* set_ok */

		/* transfer flag */
		v->head.hflag = BM_vert_flag_from_mflag(mvert->flag & ~SELECT);

		/* this is necessary for selection counts to work properly */
		if (mvert->flag & SELECT) {
			BM_vert_select_set(bm, v, true);
		}

		normal_short_to_float_v3(v->no, mvert->no);

		/* Copy Custom Data */
		CustomData_to_bmesh_block(&me->vdata, &bm->vdata, i, &v->head.data, true);

		if (cd_vert_bweight_offset != -1) BM_ELEM_CD_SET_FLOAT(v, cd_vert_bweight_offset, (float)mvert->bweight / 255.0f);

		/* set shapekey data */
		if (me->key) {
			/* set shape key original index */
			keyi = CustomData_bmesh_get(&bm->vdata, v->head.data, CD_SHAPE_KEYINDEX);
			if (keyi) {
				*keyi = i;
			}

			for (block = me->key->block.first, j = 0; block; block = block->next, j++) {
				float *co = CustomData_bmesh_get_n(&bm->vdata, v->head.data, CD_SHAPEKEY, j);

				if (co) {
					copy_v3_v3(co, ((float *)block->data) + 3 * i);
				}
			}
		}
	}

	bm->elem_index_dirty &= ~BM_VERT; /* added in order, clear dirty flag */

	if (!me->totedge) {
		MEM_freeN(vtable);
		return;
	}

	etable = MEM_mallocN(sizeof(void **) * me->totedge, "mesh to bmesh etable");

	medge = me->medge;
	for (i = 0; i < me->totedge; i++, medge++) {
		e = etable[i] = BM_edge_create(bm, vtable[medge->v1], vtable[medge->v2], NULL, BM_CREATE_SKIP_CD);
		BM_elem_index_set(e, i); /* set_ok */

		/* transfer flags */
		e->head.hflag = BM_edge_flag_from_mflag(medge->flag & ~SELECT);

		/* this is necessary for selection counts to work properly */
		if (medge->flag & SELECT) {
			BM_edge_select_set(bm, e, true);
		}

		/* Copy Custom Data */
		CustomData_to_bmesh_block(&me->edata, &bm->edata, i, &e->head.data, true);

		if (cd_edge_bweight_offset != -1) BM_ELEM_CD_SET_FLOAT(e, cd_edge_bweight_offset, (float)medge->bweight / 255.0f);
		if (cd_edge_crease_offset  != -1) BM_ELEM_CD_SET_FLOAT(e, cd_edge_crease_offset,  (float)medge->crease  / 255.0f);

	}

	bm->elem_index_dirty &= ~BM_EDGE; /* added in order, clear dirty flag */

	mloop = me->mloop;
	mp = me->mpoly;
	for (i = 0; i < me->totpoly; i++, mp++) {
		BMLoop *l_iter;
		BMLoop *l_first;

		f = bm_face_create_from_mpoly(mp, mloop + mp->loopstart,
		                              bm, vtable, etable);

		if (UNLIKELY(f == NULL)) {
			printf("%s: Warning! Bad face in mesh"
			       " \"%s\" at index %d!, skipping\n",
			       __func__, me->id.name + 2, i);
			continue;
		}

		/* don't use 'i' since we may have skipped the face */
		BM_elem_index_set(f, bm->totface - 1); /* set_ok */

		/* transfer flag */
		f->head.hflag = BM_face_flag_from_mflag(mp->flag & ~ME_FACE_SEL);

		/* this is necessary for selection counts to work properly */
		if (mp->flag & ME_FACE_SEL) {
			BM_face_select_set(bm, f, true);
		}

		f->mat_nr = mp->mat_nr;
		if (i == me->act_face) bm->act_face = f;

		j = mp->loopstart;
		l_iter = l_first = BM_FACE_FIRST_LOOP(f);
		do {
			/* Save index of correspsonding MLoop */
			CustomData_to_bmesh_block(&me->ldata, &bm->ldata, j++, &l_iter->head.data, true);
		} while ((l_iter = l_iter->next) != l_first);

		/* Copy Custom Data */
		CustomData_to_bmesh_block(&me->pdata, &bm->pdata, i, &f->head.data, true);

		if (calc_face_normal) {
			BM_face_normal_update(f);
		}
	}

	bm->elem_index_dirty &= ~BM_FACE; /* added in order, clear dirty flag */

	if (me->mselect && me->totselect != 0) {

		BMVert **vert_array = MEM_mallocN(sizeof(BMVert *) * bm->totvert, "VSelConv");
		BMEdge **edge_array = MEM_mallocN(sizeof(BMEdge *) * bm->totedge, "ESelConv");
		BMFace **face_array = MEM_mallocN(sizeof(BMFace *) * bm->totface, "FSelConv");
		MSelect *msel;

#pragma omp parallel sections if (bm->totvert + bm->totedge + bm->totface >= BM_OMP_LIMIT)
		{
#pragma omp section
			{ BM_iter_as_array(bm, BM_VERTS_OF_MESH, NULL, (void **)vert_array, bm->totvert); }
#pragma omp section
			{ BM_iter_as_array(bm, BM_EDGES_OF_MESH, NULL, (void **)edge_array, bm->totedge); }
#pragma omp section
			{ BM_iter_as_array(bm, BM_FACES_OF_MESH, NULL, (void **)face_array, bm->totface); }
		}

		for (i = 0, msel = me->mselect; i < me->totselect; i++, msel++) {
			switch (msel->type) {
				case ME_VSEL:
					BM_select_history_store(bm, (BMElem *)vert_array[msel->index]);
					break;
				case ME_ESEL:
					BM_select_history_store(bm, (BMElem *)edge_array[msel->index]);
					break;
				case ME_FSEL:
					BM_select_history_store(bm, (BMElem *)face_array[msel->index]);
					break;
			}
		}

		MEM_freeN(vert_array);
		MEM_freeN(edge_array);
		MEM_freeN(face_array);
	}
	else {
		me->totselect = 0;
		if (me->mselect) {
			MEM_freeN(me->mselect);
			me->mselect = NULL;
		}
	}

	MEM_freeN(vtable);
	MEM_freeN(etable);
}
Beispiel #5
0
/*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;
}