diff options
author | Campbell Barton <ideasman42@gmail.com> | 2012-03-11 00:41:19 +0400 |
---|---|---|
committer | Campbell Barton <ideasman42@gmail.com> | 2012-03-11 00:41:19 +0400 |
commit | e09ab8883ce0e41add94058ecd4045ac5efa74c6 (patch) | |
tree | 71faf129d815a35e9694aa727f12f0bc33f858c7 /source/blender/bmesh/operators | |
parent | 83a5c943af241a0db317c0886fc0f7e192f23208 (diff) |
bmesh:
- moved mesh conversion functions into their own file.
bmesh py api:
- can now create a new empty bmesh without first creating mesh data.
- added function to copy bmesh data back to a mesh.
- bmesh.from_mesh() can now get a mesh which isnt in editmode.
Diffstat (limited to 'source/blender/bmesh/operators')
-rw-r--r-- | source/blender/bmesh/operators/bmo_mesh_conv.c | 838 |
1 files changed, 2 insertions, 836 deletions
diff --git a/source/blender/bmesh/operators/bmo_mesh_conv.c b/source/blender/bmesh/operators/bmo_mesh_conv.c index 16c1289f5fa..3e0fc881bfa 100644 --- a/source/blender/bmesh/operators/bmo_mesh_conv.c +++ b/source/blender/bmesh/operators/bmo_mesh_conv.c @@ -55,314 +55,13 @@ void bmo_mesh_to_bmesh_exec(BMesh *bm, BMOperator *op) { Object *ob = BMO_slot_ptr_get(op, "object"); Mesh *me = BMO_slot_ptr_get(op, "mesh"); - MVert *mvert; - BLI_array_declare(verts); - MEdge *medge; - MLoop *ml; - MPoly *mpoly; - KeyBlock *actkey, *block; - BMVert *v, **vt = NULL, **verts = NULL; - BMEdge *e, **fedges = NULL, **et = NULL; - BMFace *f; - BMLoop *l; - BLI_array_declare(fedges); - float (*keyco)[3] = NULL; - int *keyi; int set_key = BMO_slot_bool_get(op, "set_shapekey"); - int totuv, i, j; - - if (!me || !me->totvert) { - return; /* sanity check */ - } - - vt = 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 (!CustomData_has_layer(&bm->edata, CD_CREASE)) - CustomData_add_layer(&bm->edata, CD_CREASE, CD_ASSIGN, NULL, 0); - - if (!CustomData_has_layer(&bm->edata, CD_BWEIGHT)) - CustomData_add_layer(&bm->edata, CD_BWEIGHT, CD_ASSIGN, NULL, 0); - - if (!CustomData_has_layer(&bm->vdata, CD_BWEIGHT)) - CustomData_add_layer(&bm->vdata, CD_BWEIGHT, CD_ASSIGN, NULL, 0); + BM_mesh_to_bmesh(bm, me, set_key, ob->shapenr - 1); if (me->key && ob->shapenr > me->key->totkey) { ob->shapenr = me->key->totkey - 1; } - - actkey = ob_get_keyblock(ob); - if (actkey && actkey->totelem == me->totvert) { - 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 chec */ - 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++; - } - } - - keyco = actkey->data; - bm->shapenr = ob->shapenr; - 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; - } - } - else if (actkey) { - printf("shapekey <-> mesh mismatch!\n"); - } - - 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); - - for (i = 0, mvert = me->mvert; i < me->totvert; i++, mvert++) { - v = BM_vert_create(bm, keyco && set_key ? keyco[i] : mvert->co, NULL); - BM_elem_index_set(v, i); /* set_ok */ - vt[i] = v; - - /* transfer flag */ - v->head.hflag = BM_vert_flag_from_mflag(mvert->flag); - - /* this is necessary for selection counts to work properl */ - if (BM_elem_flag_test(v, BM_ELEM_SELECT)) { - BM_vert_select_set(bm, v, TRUE); - } - - normal_short_to_float_v3(v->no, mvert->no); - - BM_elem_float_data_set(&bm->vdata, v, CD_BWEIGHT, (float)mvert->bweight / 255.0f); - - /* Copy Custom Dat */ - CustomData_to_bmesh_block(&me->vdata, &bm->vdata, i, &v->head.data); - - /* set shapekey dat */ - if (me->key) { - /* set shape key original inde */ - 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(vt); - return; - } - - et = MEM_mallocN(sizeof(void **) * me->totedge, "mesh to bmesh etable"); - - medge = me->medge; - for (i = 0; i < me->totedge; i++, medge++) { - e = BM_edge_create(bm, vt[medge->v1], vt[medge->v2], NULL, FALSE); - BM_elem_index_set(e, i); /* set_ok */ - et[i] = e; - - /* transfer flags */ - e->head.hflag = BM_edge_flag_from_mflag(medge->flag); - - /* this is necessary for selection counts to work properly */ - if (BM_elem_flag_test(e, BM_ELEM_SELECT)) BM_elem_select_set(bm, e, TRUE); - - /* Copy Custom Dat */ - CustomData_to_bmesh_block(&me->edata, &bm->edata, i, &e->head.data); - - BM_elem_float_data_set(&bm->edata, e, CD_CREASE, (float)medge->crease / 255.0f); - BM_elem_float_data_set(&bm->edata, e, CD_BWEIGHT, (float)medge->bweight / 255.0f); - } - - bm->elem_index_dirty &= ~BM_EDGE; /* added in order, clear dirty flag */ - - mpoly = me->mpoly; - for (i = 0; i < me->totpoly; i++, mpoly++) { - BMIter iter; - - BLI_array_empty(fedges); - BLI_array_empty(verts); - - BLI_array_growitems(fedges, mpoly->totloop); - BLI_array_growitems(verts, mpoly->totloop); - - for (j = 0; j < mpoly->totloop; j++) { - ml = &me->mloop[mpoly->loopstart + j]; - v = vt[ml->v]; - e = et[ml->e]; - - fedges[j] = e; - verts[j] = v; - } - - /* not sure what this block is supposed to do, - * but its unused. so commenting - campbell */ -#if 0 - { - BMVert *v1, *v2; - v1 = vt[me->mloop[mpoly->loopstart].v]; - v2 = vt[me->mloop[mpoly->loopstart + 1].v]; - - if (v1 == fedges[0]->v1) { - v2 = fedges[0]->v2; - } - else { - v1 = fedges[0]->v2; - v2 = fedges[0]->v1; - } - } -#endif - - f = BM_face_create(bm, verts, fedges, mpoly->totloop, FALSE); - - if (!f) { - printf("%s: Warning! Bad face in mesh" - " \"%s\" at index %d!, skipping\n", - __func__, me->id.name + 2, i); - continue; - } - - /* dont 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(mpoly->flag); - - /* this is necessary for selection counts to work properl */ - if (BM_elem_flag_test(f, BM_ELEM_SELECT)) BM_elem_select_set(bm, f, TRUE); - - f->mat_nr = mpoly->mat_nr; - if (i == me->act_face) bm->act_face = f; - - j = 0; - BM_ITER_INDEX(l, &iter, bm, BM_LOOPS_OF_FACE, f, j) { - /* Save index of correspsonding MLoop */ - BM_elem_index_set(l, mpoly->loopstart + j); /* set_loop */ - } - - /* Copy Custom Data */ - CustomData_to_bmesh_block(&me->pdata, &bm->pdata, i, &f->head.data); - } - - bm->elem_index_dirty &= ~BM_FACE; /* added in order, clear dirty flag */ - - { - BMIter fiter; - BMIter liter; - - /* Copy over loop CustomData. Doing this in a separate loop isn't necessary - * but is an optimization, to avoid copying a bunch of interpolated customdata - * for each BMLoop (from previous BMLoops using the same edge), always followed - * by freeing the interpolated data and overwriting it with data from the Mesh. */ - BM_ITER(f, &fiter, bm, BM_FACES_OF_MESH, NULL) { - BM_ITER(l, &liter, bm, BM_LOOPS_OF_FACE, f) { - int li = BM_elem_index_get(l); - CustomData_to_bmesh_block(&me->ldata, &bm->ldata, li, &l->head.data); - BM_elem_index_set(l, 0); /* set_loop */ - } - } - } - - if (me->mselect && me->totselect != 0) { - BMIter iter; - BMVert *vertex; - BMEdge *edge; - BMFace *face; - BMVert **vertex_array = MEM_callocN(sizeof(BMVert *) * bm->totvert, - "Selection Conversion Vertex Pointer Array"); - BMEdge **edge_array = MEM_callocN(sizeof(BMEdge *) * bm->totedge, - "Selection Conversion Edge Pointer Array"); - BMFace **face_array = MEM_callocN(sizeof(BMFace *) * bm->totface, - "Selection Conversion Face Pointer Array"); - - for (i = 0, vertex = BM_iter_new(&iter, bm, BM_VERTS_OF_MESH, NULL); - vertex; - i++, vertex = BM_iter_step(&iter)) - { - vertex_array[i] = vertex; - } - - for (i = 0, edge = BM_iter_new(&iter, bm, BM_EDGES_OF_MESH, NULL); - edge; - i++, edge = BM_iter_step(&iter)) - { - edge_array[i] = edge; - } - - for (i = 0, face = BM_iter_new(&iter, bm, BM_FACES_OF_MESH, NULL); - face; - i++, face = BM_iter_step(&iter)) - { - face_array[i] = face; - } - - if (me->mselect) { - for (i = 0; i < me->totselect; i++) { - if (me->mselect[i].type == ME_VSEL) { - BM_select_history_store(bm, (BMElem *)vertex_array[me->mselect[i].index]); - } - else if (me->mselect[i].type == ME_ESEL) { - BM_select_history_store(bm, (BMElem *)edge_array[me->mselect[i].index]); - } - else if (me->mselect[i].type == ME_FSEL) { - BM_select_history_store(bm, (BMElem *)face_array[me->mselect[i].index]); - } - } - } - else { - me->totselect = 0; - } - - MEM_freeN(vertex_array); - MEM_freeN(edge_array); - MEM_freeN(face_array); - } - else { - me->totselect = 0; - if (me->mselect) { - MEM_freeN(me->mselect); - me->mselect = NULL; - } - } - - BLI_array_free(fedges); - BLI_array_free(verts); - - MEM_freeN(vt); - MEM_freeN(et); } void bmo_object_load_bmesh_exec(BMesh *bm, BMOperator *op) @@ -374,544 +73,11 @@ void bmo_object_load_bmesh_exec(BMesh *bm, BMOperator *op) BMO_op_callf(bm, "bmesh_to_mesh mesh=%p object=%p notessellation=%b", me, ob, TRUE); } - -static BMVert **bm_to_mesh_vertex_map(BMesh *bm, int ototvert) -{ - BMVert **vertMap = NULL; - BMVert *eve; - int index; - int i = 0; - BMIter iter; - - /* caller needs to ensure this */ - BLI_assert(ototvert > 0); - - vertMap = MEM_callocN(sizeof(*vertMap)*ototvert, "vertMap"); - if (CustomData_has_layer(&bm->vdata, CD_SHAPE_KEYINDEX)) { - int *keyi; - BM_ITER(eve, &iter, bm, BM_VERTS_OF_MESH, NULL) { - keyi = CustomData_bmesh_get(&bm->vdata, eve->head.data, CD_SHAPE_KEYINDEX); - if (keyi) { - if (((index = *keyi) != ORIGINDEX_NONE) && (index < ototvert)) { - vertMap[index] = eve; - } - } - else { - if (i < ototvert) { - vertMap[i] = eve; - } - } - i++; - } - } - else { - BM_ITER(eve, &iter, bm, BM_VERTS_OF_MESH, NULL) { - if (i < ototvert) { - vertMap[i] = eve; - } - else { - break; - } - i++; - } - } - - return vertMap; -} - -BM_INLINE void bmesh_quick_edgedraw_flag(MEdge *med, BMEdge *e) -{ - /* this is a cheap way to set the edge draw, its not precise and will - * pick the first 2 faces an edge uses */ - - - if ( /* (med->flag & ME_EDGEDRAW) && */ /* assume to be true */ - (e->l && (e->l != e->l->radial_next)) && - (dot_v3v3(e->l->f->no, e->l->radial_next->f->no) > 0.998f)) - { - med->flag &= ~ME_EDGEDRAW; - } -} - - void bmo_bmesh_to_mesh_exec(BMesh *bm, BMOperator *op) { Mesh *me = BMO_slot_ptr_get(op, "mesh"); /* Object *ob = BMO_slot_ptr_get(op, "object"); */ - MLoop *mloop; - MPoly *mpoly; - MVert *mvert, *oldverts; - MEdge *med, *medge; - BMVert *v, *eve; - BMEdge *e; - BMLoop *l; - BMFace *f; - BMIter iter, liter; - int i, j, *keyi, ototvert, totloop; int dotess = !BMO_slot_bool_get(op, "notessellation"); - - ototvert = me->totvert; - - /* new Vertex block */ - if (bm->totvert == 0) mvert = NULL; - else mvert = MEM_callocN(bm->totvert * sizeof(MVert), "loadeditbMesh vert"); - - /* new Edge block */ - if (bm->totedge == 0) medge = NULL; - else medge = MEM_callocN(bm->totedge * sizeof(MEdge), "loadeditbMesh edge"); - - /* build ngon dat */ - /* new Ngon Face block */ - if (bm->totface == 0) mpoly = NULL; - else mpoly = MEM_callocN(bm->totface * sizeof(MPoly), "loadeditbMesh poly"); - - /* find number of loops to allocat */ - totloop = 0; - BM_ITER(f, &iter, bm, BM_FACES_OF_MESH, NULL) { - totloop += f->len; - } - - if (totloop == 0) mloop = NULL; - else mloop = MEM_callocN(totloop * sizeof(MLoop), "loadeditbMesh loop"); - - /* 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; - - /* 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); - CustomData_free(&me->ldata, me->totloop); - CustomData_free(&me->pdata, me->totpoly); - - /* add new custom data */ - me->totvert = bm->totvert; - me->totedge = bm->totedge; - me->totloop = totloop; - me->totpoly = bm->totface; - /* will be overwritten with a valid value if 'dotess' is set, otherwise we - * end up with 'me->totface' and me->mface == NULL which can crash [#28625] - */ - me->totface = 0; - - CustomData_copy(&bm->vdata, &me->vdata, CD_MASK_MESH, CD_CALLOC, me->totvert); - CustomData_copy(&bm->edata, &me->edata, CD_MASK_MESH, CD_CALLOC, me->totedge); - CustomData_copy(&bm->ldata, &me->ldata, CD_MASK_MESH, CD_CALLOC, me->totloop); - CustomData_copy(&bm->pdata, &me->pdata, CD_MASK_MESH, CD_CALLOC, me->totpoly); - - 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->ldata, CD_MLOOP, CD_ASSIGN, mloop, me->totloop); - CustomData_add_layer(&me->pdata, CD_MPOLY, CD_ASSIGN, mpoly, me->totpoly); - - /* this is called again, 'dotess' arg is used there */ - mesh_update_customdata_pointers(me, 0); - - i = 0; - BM_ITER(v, &iter, bm, BM_VERTS_OF_MESH, NULL) { - float *bweight = CustomData_bmesh_get(&bm->vdata, v->head.data, CD_BWEIGHT); - - mvert->bweight = bweight ? (char)((*bweight) * 255) : 0; - - copy_v3_v3(mvert->co, v->co); - normal_float_to_short_v3(mvert->no, v->no); - - mvert->flag = BM_vert_flag_to_mflag(v); - - BM_elem_index_set(v, i); /* set_inline */ - - /* copy over customdat */ - CustomData_from_bmesh_block(&bm->vdata, &me->vdata, v->head.data, i); - - i++; - mvert++; - - BM_CHECK_ELEMENT(bm, v); - } - bm->elem_index_dirty &= ~BM_VERT; - - med = medge; - i = 0; - BM_ITER(e, &iter, bm, BM_EDGES_OF_MESH, NULL) { - float *crease = CustomData_bmesh_get(&bm->edata, e->head.data, CD_CREASE); - float *bweight = CustomData_bmesh_get(&bm->edata, e->head.data, CD_BWEIGHT); - - med->v1 = BM_elem_index_get(e->v1); - med->v2 = BM_elem_index_get(e->v2); - med->crease = crease ? (char)((*crease) * 255) : 0; - med->bweight = bweight ? (char)((*bweight) * 255) : 0; - - med->flag = BM_edge_flag_to_mflag(e); - - BM_elem_index_set(e, i); /* set_inline */ - - /* copy over customdat */ - CustomData_from_bmesh_block(&bm->edata, &me->edata, e->head.data, i); - - bmesh_quick_edgedraw_flag(med, e); - - i++; - med++; - BM_CHECK_ELEMENT(bm, e); - } - bm->elem_index_dirty &= ~BM_EDGE; - - i = 0; - j = 0; - BM_ITER(f, &iter, bm, BM_FACES_OF_MESH, NULL) { - mpoly->loopstart = j; - mpoly->totloop = f->len; - mpoly->mat_nr = f->mat_nr; - mpoly->flag = BM_face_flag_to_mflag(f); - - l = BM_iter_new(&liter, bm, BM_LOOPS_OF_FACE, f); - for ( ; l; l = BM_iter_step(&liter), j++, mloop++) { - mloop->e = BM_elem_index_get(l->e); - mloop->v = BM_elem_index_get(l->v); - - /* copy over customdat */ - CustomData_from_bmesh_block(&bm->ldata, &me->ldata, l->head.data, j); - BM_CHECK_ELEMENT(bm, l); - BM_CHECK_ELEMENT(bm, l->e); - BM_CHECK_ELEMENT(bm, l->v); - } - - if (f == bm->act_face) me->act_face = i; - - /* copy over customdat */ - CustomData_from_bmesh_block(&bm->pdata, &me->pdata, f->head.data, i); - - i++; - mpoly++; - BM_CHECK_ELEMENT(bm, f); - } - - /* patch hook indices and vertex parents */ - if (ototvert > 0) { - Object *ob; - ModifierData *md; - BMVert **vertMap = NULL; - int i, j; - - for (ob = G.main->object.first; ob; ob = ob->id.next) { - if (ob->parent == bm->ob && ELEM(ob->partype, PARVERT1, PARVERT3)) { - - if (vertMap == NULL) { - vertMap = bm_to_mesh_vertex_map(bm, ototvert); - } - - if (ob->par1 < ototvert) { - eve = vertMap[ob->par1]; - if (eve) ob->par1 = BM_elem_index_get(eve); - } - if (ob->par2 < ototvert) { - eve = vertMap[ob->par2]; - if (eve) ob->par2 = BM_elem_index_get(eve); - } - if (ob->par3 < ototvert) { - eve = vertMap[ob->par3]; - if (eve) ob->par3 = BM_elem_index_get(eve); - } - - } - if (ob->data == me) { - for (md = ob->modifiers.first; md; md = md->next) { - if (md->type == eModifierType_Hook) { - HookModifierData *hmd = (HookModifierData *) md; - - if (vertMap == NULL) { - vertMap = bm_to_mesh_vertex_map(bm, ototvert); - } - - for (i = j = 0; i < hmd->totindex; i++) { - if (hmd->indexar[i] < ototvert) { - eve = vertMap[hmd->indexar[i]]; - - if (eve) { - hmd->indexar[j++] = BM_elem_index_get(eve); - } - } - else j++; - } - - hmd->totindex = j; - } - } - } - } - - if (vertMap) MEM_freeN(vertMap); - } - - if (dotess) { - BKE_mesh_tessface_calc(me); - } - - mesh_update_customdata_pointers(me, dotess); - - { - BMEditSelection *selected; - me->totselect = BLI_countlist(&(bm->selected)); - - if (me->mselect) MEM_freeN(me->mselect); - - me->mselect = MEM_callocN(sizeof(MSelect) * me->totselect, "Mesh selection history"); - - - for (i = 0, selected = bm->selected.first; selected; i++, selected = selected->next) { - if (selected->htype == BM_VERT) { - me->mselect[i].type = ME_VSEL; - - } - else if (selected->htype == BM_EDGE) { - me->mselect[i].type = ME_ESEL; - - } - else if (selected->htype == BM_FACE) { - me->mselect[i].type = ME_FSEL; - } - - me->mselect[i].index = BM_elem_index_get(selected->ele); - } - } - - /* see comment below, this logic is in twice */ - - if (me->key) { - KeyBlock *currkey; - KeyBlock *actkey = BLI_findlink(&me->key->block, bm->shapenr - 1); - - float (*ofs)[3] = NULL; - - /* go through and find any shapekey customdata layers - * that might not have corresponding KeyBlocks, and add them if - * necessary */ - j = 0; - for (i = 0; i < bm->vdata.totlayer; i++) { - if (bm->vdata.layers[i].type != CD_SHAPEKEY) - continue; - - for (currkey = me->key->block.first; currkey; currkey = currkey->next) { - if (currkey->uid == bm->vdata.layers[i].uid) - break; - } - - if (!currkey) { - currkey = MEM_callocN(sizeof(KeyBlock), "KeyBlock mesh_conv.c"); - currkey->type = KEY_LINEAR; - currkey->slidermin = 0.0f; - currkey->slidermax = 1.0f; - - BLI_addtail(&me->key->block, currkey); - me->key->totkey++; - } - - j++; - } - - - /* 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 (bm->shapenr - 1 == currkey->relative) { - act_is_basis = 1; - break; - } - } - - if (act_is_basis) { /* active key is a base */ - float (*fp)[3] = actkey->data; - int *keyi; - i = 0; - ofs = MEM_callocN(sizeof(float) * 3 * bm->totvert, "currkey->data"); - mvert = me->mvert; - BM_ITER(eve, &iter, bm, BM_VERTS_OF_MESH, NULL) { - keyi = CustomData_bmesh_get(&bm->vdata, eve->head.data, CD_SHAPE_KEYINDEX); - if (keyi && *keyi != ORIGINDEX_NONE) { - sub_v3_v3v3(ofs[i], mvert->co, fp[*keyi]); - } - i++; - mvert++; - } - } - } - - - for (currkey = me->key->block.first; currkey; currkey = currkey->next) { - j = 0; - - for (i = 0; i < bm->vdata.totlayer; i++) { - if (bm->vdata.layers[i].type != CD_SHAPEKEY) - continue; - - if (currkey->uid == bm->vdata.layers[i].uid) { - int apply_offset = (ofs && (currkey != actkey) && (bm->shapenr - 1 == currkey->relative)); - float *fp, *co; - float (*ofs_pt)[3] = ofs; - - if (currkey->data) - MEM_freeN(currkey->data); - currkey->data = fp = MEM_mallocN(sizeof(float) * 3 * bm->totvert, "shape key data"); - currkey->totelem = bm->totvert; - - mvert = me->mvert; - BM_ITER(eve, &iter, bm, BM_VERTS_OF_MESH, NULL) { - co = (currkey == actkey) ? - eve->co : - CustomData_bmesh_get_n(&bm->vdata, eve->head.data, CD_SHAPEKEY, j); - - copy_v3_v3(fp, co); - - /* propagate edited basis offsets to other shapes */ - if (apply_offset) { - add_v3_v3(fp, *ofs_pt++); - } - - if (currkey == actkey && oldverts) { - keyi = CustomData_bmesh_get(&bm->vdata, eve->head.data, CD_SHAPE_KEYINDEX); - - if (*keyi >= 0 && *keyi < currkey->totelem) // valid old vertex - copy_v3_v3(mvert->co, oldverts[*keyi].co); - - mvert++; - } - - fp += 3; - } - break; - } - - j++; - } - - /* if we didn't find a shapekey, tag the block to be reconstructed - * via the old method below */ - if (j == CustomData_number_of_layers(&bm->vdata, CD_SHAPEKEY)) { - currkey->flag |= KEYBLOCK_MISSING; - } - } - - if (ofs) MEM_freeN(ofs); - } - - /* XXX, code below is from trunk and a duplicate functionality - * to the block above. - * We should use one or the other, having both means we have to maintain - * both and keep them working the same way which is a hassle - campbell */ - - /* old method of reconstructing keys via vertice's original key indices, - * currently used if the new method above fails (which is theoretically - * possible in certain cases of undo) */ - if (me->key) { - float *fp, *newkey, *oldkey; - KeyBlock *currkey; - KeyBlock *actkey = BLI_findlink(&me->key->block, bm->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 (bm->shapenr - 1 == currkey->relative) { - act_is_basis = 1; - break; - } - } - - if (act_is_basis) { /* active key is a base */ - float (*fp)[3] = actkey->data; - int *keyi; - i = 0; - ofs = MEM_callocN(sizeof(float) * 3 * bm->totvert, "currkey->data"); - mvert = me->mvert; - BM_ITER(eve, &iter, bm, BM_VERTS_OF_MESH, NULL) { - keyi = CustomData_bmesh_get(&bm->vdata, eve->head.data, CD_SHAPE_KEYINDEX); - if (keyi && *keyi != ORIGINDEX_NONE) { - sub_v3_v3v3(ofs[i], mvert->co, fp[*keyi]); - } - 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) && (bm->shapenr - 1 == currkey->relative)); - - if (!(currkey->flag & KEYBLOCK_MISSING)) { - currkey = currkey->next; - continue; - } - - printf("warning: had to hackishly reconstruct shape key \"%s\"," - " it may not be correct anymore.\n", currkey->name); - - currkey->flag &= ~KEYBLOCK_MISSING; - - fp = newkey = MEM_callocN(me->key->elemsize * bm->totvert, "currkey->data"); - oldkey = currkey->data; - - eve = BM_iter_new(&iter, bm, BM_VERTS_OF_MESH, NULL); - - i = 0; - mvert = me->mvert; - while (eve) { - keyi = CustomData_bmesh_get(&bm->vdata, eve->head.data, CD_SHAPE_KEYINDEX); - if (!keyi) { - break; - } - if (*keyi >= 0 && *keyi < currkey->totelem) { // valid old vertex - if (currkey == actkey) { - if (actkey == me->key->refkey) { - copy_v3_v3(fp, mvert->co); - } - else { - copy_v3_v3(fp, mvert->co); - if (oldverts) { - copy_v3_v3(mvert->co, oldverts[*keyi].co); - } - } - } - else { - if (oldkey) { - copy_v3_v3(fp, oldkey + 3 * *keyi); - } - } - } - else { - copy_v3_v3(fp, mvert->co); - } - - /* propagate edited basis offsets to other shapes */ - if (apply_offset) { - add_v3_v3(fp, ofs[i]); - } - - fp += 3; - i++; - mvert++; - eve = BM_iter_step(&iter); - } - currkey->totelem = bm->totvert; - if (currkey->data) MEM_freeN(currkey->data); - currkey->data = newkey; - - currkey = currkey->next; - } - - if (ofs) MEM_freeN(ofs); - } - if (oldverts) MEM_freeN(oldverts); + BM_mesh_from_bmesh(bm, me, dotess); } |