diff options
Diffstat (limited to 'source/blender/blenkernel/intern/mesh_evaluate.cc')
| -rw-r--r-- | source/blender/blenkernel/intern/mesh_evaluate.cc | 272 |
1 files changed, 0 insertions, 272 deletions
diff --git a/source/blender/blenkernel/intern/mesh_evaluate.cc b/source/blender/blenkernel/intern/mesh_evaluate.cc index de0489d668f..7d26262a504 100644 --- a/source/blender/blenkernel/intern/mesh_evaluate.cc +++ b/source/blender/blenkernel/intern/mesh_evaluate.cc @@ -632,278 +632,6 @@ void BKE_mesh_calc_volume(const MVert *mverts, /** \} */ -/* -------------------------------------------------------------------- */ -/** \name NGon Tessellation (NGon to MFace Conversion) - * \{ */ - -static void bm_corners_to_loops_ex(ID *id, - CustomData *fdata, - CustomData *ldata, - MFace *mface, - int totloop, - int findex, - int loopstart, - int numTex, - int numCol) -{ - MFace *mf = mface + findex; - - for (int i = 0; i < numTex; i++) { - const MTFace *texface = (const MTFace *)CustomData_get_n(fdata, CD_MTFACE, findex, i); - - MLoopUV *mloopuv = (MLoopUV *)CustomData_get_n(ldata, CD_MLOOPUV, loopstart, i); - copy_v2_v2(mloopuv->uv, texface->uv[0]); - mloopuv++; - copy_v2_v2(mloopuv->uv, texface->uv[1]); - mloopuv++; - copy_v2_v2(mloopuv->uv, texface->uv[2]); - mloopuv++; - - if (mf->v4) { - copy_v2_v2(mloopuv->uv, texface->uv[3]); - mloopuv++; - } - } - - for (int i = 0; i < numCol; i++) { - MLoopCol *mloopcol = (MLoopCol *)CustomData_get_n(ldata, CD_PROP_BYTE_COLOR, loopstart, i); - const MCol *mcol = (const MCol *)CustomData_get_n(fdata, CD_MCOL, findex, i); - - MESH_MLOOPCOL_FROM_MCOL(mloopcol, &mcol[0]); - mloopcol++; - MESH_MLOOPCOL_FROM_MCOL(mloopcol, &mcol[1]); - mloopcol++; - MESH_MLOOPCOL_FROM_MCOL(mloopcol, &mcol[2]); - mloopcol++; - if (mf->v4) { - MESH_MLOOPCOL_FROM_MCOL(mloopcol, &mcol[3]); - mloopcol++; - } - } - - if (CustomData_has_layer(fdata, CD_TESSLOOPNORMAL)) { - float(*lnors)[3] = (float(*)[3])CustomData_get(ldata, loopstart, CD_NORMAL); - const short(*tlnors)[3] = (short(*)[3])CustomData_get(fdata, findex, CD_TESSLOOPNORMAL); - const int max = mf->v4 ? 4 : 3; - - for (int i = 0; i < max; i++, lnors++, tlnors++) { - normal_short_to_float_v3(*lnors, *tlnors); - } - } - - if (CustomData_has_layer(fdata, CD_MDISPS)) { - MDisps *ld = (MDisps *)CustomData_get(ldata, loopstart, CD_MDISPS); - const MDisps *fd = (const MDisps *)CustomData_get(fdata, findex, CD_MDISPS); - const float(*disps)[3] = fd->disps; - int tot = mf->v4 ? 4 : 3; - int corners; - - if (CustomData_external_test(fdata, CD_MDISPS)) { - if (id && fdata->external) { - CustomData_external_add(ldata, id, CD_MDISPS, totloop, fdata->external->filepath); - } - } - - corners = multires_mdisp_corners(fd); - - if (corners == 0) { - /* Empty #MDisp layers appear in at least one of the `sintel.blend` files. - * Not sure why this happens, but it seems fine to just ignore them here. - * If `corners == 0` for a non-empty layer though, something went wrong. */ - BLI_assert(fd->totdisp == 0); - } - else { - const int side = (int)sqrtf((float)(fd->totdisp / corners)); - const int side_sq = side * side; - - for (int i = 0; i < tot; i++, disps += side_sq, ld++) { - ld->totdisp = side_sq; - ld->level = (int)(logf((float)side - 1.0f) / (float)M_LN2) + 1; - - if (ld->disps) { - MEM_freeN(ld->disps); - } - - ld->disps = (float(*)[3])MEM_malloc_arrayN( - (size_t)side_sq, sizeof(float[3]), "converted loop mdisps"); - if (fd->disps) { - memcpy(ld->disps, disps, (size_t)side_sq * sizeof(float[3])); - } - else { - memset(ld->disps, 0, (size_t)side_sq * sizeof(float[3])); - } - } - } - } -} - -void BKE_mesh_convert_mfaces_to_mpolys(Mesh *mesh) -{ - BKE_mesh_convert_mfaces_to_mpolys_ex(&mesh->id, - &mesh->fdata, - &mesh->ldata, - &mesh->pdata, - mesh->totedge, - mesh->totface, - mesh->totloop, - mesh->totpoly, - mesh->medge, - mesh->mface, - &mesh->totloop, - &mesh->totpoly, - &mesh->mloop, - &mesh->mpoly); - - BKE_mesh_update_customdata_pointers(mesh, true); -} - -void BKE_mesh_do_versions_convert_mfaces_to_mpolys(Mesh *mesh) -{ - BKE_mesh_convert_mfaces_to_mpolys_ex(&mesh->id, - &mesh->fdata, - &mesh->ldata, - &mesh->pdata, - mesh->totedge, - mesh->totface, - mesh->totloop, - mesh->totpoly, - mesh->medge, - mesh->mface, - &mesh->totloop, - &mesh->totpoly, - &mesh->mloop, - &mesh->mpoly); - - CustomData_bmesh_do_versions_update_active_layers(&mesh->fdata, &mesh->ldata); - - BKE_mesh_update_customdata_pointers(mesh, true); -} - -void BKE_mesh_convert_mfaces_to_mpolys_ex(ID *id, - CustomData *fdata, - CustomData *ldata, - CustomData *pdata, - int totedge_i, - int totface_i, - int totloop_i, - int totpoly_i, - MEdge *medge, - MFace *mface, - int *r_totloop, - int *r_totpoly, - MLoop **r_mloop, - MPoly **r_mpoly) -{ - MFace *mf; - MLoop *ml, *mloop; - MPoly *mp, *mpoly; - MEdge *me; - EdgeHash *eh; - int numTex, numCol; - int i, j, totloop, totpoly, *polyindex; - - /* old flag, clear to allow for reuse */ -#define ME_FGON (1 << 3) - - /* just in case some of these layers are filled in (can happen with python created meshes) */ - CustomData_free(ldata, totloop_i); - CustomData_free(pdata, totpoly_i); - - totpoly = totface_i; - mpoly = (MPoly *)MEM_calloc_arrayN((size_t)totpoly, sizeof(MPoly), "mpoly converted"); - CustomData_add_layer(pdata, CD_MPOLY, CD_ASSIGN, mpoly, totpoly); - - numTex = CustomData_number_of_layers(fdata, CD_MTFACE); - numCol = CustomData_number_of_layers(fdata, CD_MCOL); - - totloop = 0; - mf = mface; - for (i = 0; i < totface_i; i++, mf++) { - totloop += mf->v4 ? 4 : 3; - } - - mloop = (MLoop *)MEM_calloc_arrayN((size_t)totloop, sizeof(MLoop), "mloop converted"); - - CustomData_add_layer(ldata, CD_MLOOP, CD_ASSIGN, mloop, totloop); - - CustomData_to_bmeshpoly(fdata, ldata, totloop); - - if (id) { - /* ensure external data is transferred */ - /* TODO(sergey): Use multiresModifier_ensure_external_read(). */ - CustomData_external_read(fdata, id, CD_MASK_MDISPS, totface_i); - } - - eh = BLI_edgehash_new_ex(__func__, (uint)totedge_i); - - /* build edge hash */ - me = medge; - for (i = 0; i < totedge_i; i++, me++) { - BLI_edgehash_insert(eh, me->v1, me->v2, POINTER_FROM_UINT(i)); - - /* unrelated but avoid having the FGON flag enabled, - * so we can reuse it later for something else */ - me->flag &= ~ME_FGON; - } - - polyindex = (int *)CustomData_get_layer(fdata, CD_ORIGINDEX); - - j = 0; /* current loop index */ - ml = mloop; - mf = mface; - mp = mpoly; - for (i = 0; i < totface_i; i++, mf++, mp++) { - mp->loopstart = j; - - mp->totloop = mf->v4 ? 4 : 3; - - mp->mat_nr = mf->mat_nr; - mp->flag = mf->flag; - -#define ML(v1, v2) \ - { \ - ml->v = mf->v1; \ - ml->e = POINTER_AS_UINT(BLI_edgehash_lookup(eh, mf->v1, mf->v2)); \ - ml++; \ - j++; \ - } \ - (void)0 - - ML(v1, v2); - ML(v2, v3); - if (mf->v4) { - ML(v3, v4); - ML(v4, v1); - } - else { - ML(v3, v1); - } - -#undef ML - - bm_corners_to_loops_ex(id, fdata, ldata, mface, totloop, i, mp->loopstart, numTex, numCol); - - if (polyindex) { - *polyindex = i; - polyindex++; - } - } - - /* NOTE: we don't convert NGons at all, these are not even real ngons, - * they have their own UV's, colors etc - its more an editing feature. */ - - BLI_edgehash_free(eh, nullptr); - - *r_totpoly = totpoly; - *r_totloop = totloop; - *r_mpoly = mpoly; - *r_mloop = mloop; - -#undef ME_FGON -} - -/** \} */ - void BKE_mesh_mdisp_flip(MDisps *md, const bool use_loop_mdisp_flip) { if (UNLIKELY(!md->totdisp || !md->disps)) { |