diff options
Diffstat (limited to 'source/blender/modifiers/intern/MOD_solidify_nonmanifold.c')
| -rw-r--r-- | source/blender/modifiers/intern/MOD_solidify_nonmanifold.c | 35 |
1 files changed, 23 insertions, 12 deletions
diff --git a/source/blender/modifiers/intern/MOD_solidify_nonmanifold.c b/source/blender/modifiers/intern/MOD_solidify_nonmanifold.c index 9205083e836..29adbd70198 100644 --- a/source/blender/modifiers/intern/MOD_solidify_nonmanifold.c +++ b/source/blender/modifiers/intern/MOD_solidify_nonmanifold.c @@ -2108,6 +2108,9 @@ Mesh *MOD_solidify_nonmanifold_modifyMesh(ModifierData *md, } #endif + const int *src_material_index = BKE_mesh_material_indices(mesh); + int *dst_material_index = BKE_mesh_material_indices_for_write(result); + /* Make boundary edges/faces. */ { gs_ptr = orig_vert_groups_arr; @@ -2224,7 +2227,7 @@ Mesh *MOD_solidify_nonmanifold_modifyMesh(ModifierData *md, /* Loop data. */ int *loops = MEM_malloc_arrayN(j, sizeof(*loops), "loops in solidify"); - /* The #mat_nr is from consensus. */ + /* The result material index is from consensus. */ short most_mat_nr = 0; uint most_mat_nr_face = 0; uint most_mat_nr_count = 0; @@ -2235,16 +2238,20 @@ Mesh *MOD_solidify_nonmanifold_modifyMesh(ModifierData *md, for (EdgeGroup *g3 = g2; g3->valid && k < j; g3++) { if ((do_rim && !g3->is_orig_closed) || (do_shell && g3->split)) { /* Check both far ends in terms of faces of an edge group. */ - if (g3->edges[0]->faces[0]->face->mat_nr == l) { + if ((src_material_index ? src_material_index[g3->edges[0]->faces[0]->index] : + 0) == l) { face = g3->edges[0]->faces[0]->index; count++; } NewEdgeRef *le = g3->edges[g3->edges_len - 1]; - if (le->faces[1] && le->faces[1]->face->mat_nr == l) { + if (le->faces[1] && + (src_material_index ? src_material_index[le->faces[1]->index] : 0) == l) { face = le->faces[1]->index; count++; } - else if (!le->faces[1] && le->faces[0]->face->mat_nr == l) { + else if (!le->faces[1] && + (src_material_index ? src_material_index[le->faces[0]->index] : 0) == + l) { face = le->faces[0]->index; count++; } @@ -2264,9 +2271,9 @@ Mesh *MOD_solidify_nonmanifold_modifyMesh(ModifierData *md, } mpoly[poly_index].loopstart = (int)loop_index; mpoly[poly_index].totloop = (int)j; - mpoly[poly_index].mat_nr = most_mat_nr + - (g->is_orig_closed || !do_rim ? 0 : mat_ofs_rim); - CLAMP(mpoly[poly_index].mat_nr, 0, mat_nr_max); + dst_material_index[poly_index] = most_mat_nr + + (g->is_orig_closed || !do_rim ? 0 : mat_ofs_rim); + CLAMP(dst_material_index[poly_index], 0, mat_nr_max); mpoly[poly_index].flag = orig_mpoly[most_mat_nr_face].flag; poly_index++; @@ -2334,13 +2341,15 @@ Mesh *MOD_solidify_nonmanifold_modifyMesh(ModifierData *md, continue; } - MPoly *face = (*new_edges)->faces[0]->face; + const uint orig_face_index = (*new_edges)->faces[0]->index; + MPoly *face = &orig_mpoly[orig_face_index]; CustomData_copy_data( &mesh->pdata, &result->pdata, (int)(*new_edges)->faces[0]->index, (int)poly_index, 1); mpoly[poly_index].loopstart = (int)loop_index; mpoly[poly_index].totloop = 4 - (int)(v1_singularity || v2_singularity); - mpoly[poly_index].mat_nr = face->mat_nr + mat_ofs_rim; - CLAMP(mpoly[poly_index].mat_nr, 0, mat_nr_max); + dst_material_index[poly_index] = + (src_material_index ? src_material_index[orig_face_index] : 0) + mat_ofs_rim; + CLAMP(dst_material_index[poly_index], 0, mat_nr_max); mpoly[poly_index].flag = face->flag; poly_index++; @@ -2530,8 +2539,10 @@ Mesh *MOD_solidify_nonmanifold_modifyMesh(ModifierData *md, CustomData_copy_data(&mesh->pdata, &result->pdata, (int)(i / 2), (int)poly_index, 1); mpoly[poly_index].loopstart = (int)loop_index; mpoly[poly_index].totloop = (int)k; - mpoly[poly_index].mat_nr = fr->face->mat_nr + (fr->reversed != do_flip ? mat_ofs : 0); - CLAMP(mpoly[poly_index].mat_nr, 0, mat_nr_max); + dst_material_index[poly_index] = (src_material_index ? src_material_index[fr->index] : + 0) + + (fr->reversed != do_flip ? mat_ofs : 0); + CLAMP(dst_material_index[poly_index], 0, mat_nr_max); mpoly[poly_index].flag = fr->face->flag; if (fr->reversed != do_flip) { for (int l = (int)k - 1; l >= 0; l--) { |