diff options
Diffstat (limited to 'source/blender/modifiers/intern/MOD_solidify_nonmanifold.c')
| -rw-r--r-- | source/blender/modifiers/intern/MOD_solidify_nonmanifold.c | 77 |
1 files changed, 47 insertions, 30 deletions
diff --git a/source/blender/modifiers/intern/MOD_solidify_nonmanifold.c b/source/blender/modifiers/intern/MOD_solidify_nonmanifold.c index 0f9f5952a26..1cf9def46fa 100644 --- a/source/blender/modifiers/intern/MOD_solidify_nonmanifold.c +++ b/source/blender/modifiers/intern/MOD_solidify_nonmanifold.c @@ -291,6 +291,15 @@ Mesh *MOD_solidify_nonmanifold_applyModifier(ModifierData *md, /* Vert edge adjacent map. */ OldVertEdgeRef **vert_adj_edges = MEM_calloc_arrayN( numVerts, sizeof(*vert_adj_edges), "vert_adj_edges in solidify"); + /* Original vertex positions (changed for degenerated geometry). */ + float(*orig_mvert_co)[3] = MEM_malloc_arrayN( + numVerts, sizeof(*orig_mvert_co), "orig_mvert_co in solidify"); + /* Fill in the original vertex positions. */ + for (uint i = 0; i < numVerts; i++) { + orig_mvert_co[i][0] = orig_mvert[i].co[0]; + orig_mvert_co[i][1] = orig_mvert[i].co[1]; + orig_mvert_co[i][2] = orig_mvert[i].co[2]; + } /* Create edge to #NewEdgeRef map. */ { @@ -344,33 +353,35 @@ Mesh *MOD_solidify_nonmanifold_applyModifier(ModifierData *md, bool *face_singularity = MEM_calloc_arrayN( numPolys, sizeof(*face_singularity), "face_sides_arr in solidify"); + const float merge_tolerance_sqr = smd->merge_tolerance * smd->merge_tolerance; + uint *combined_verts = MEM_calloc_arrayN( + numVerts, sizeof(*combined_verts), "combined_verts in solidify"); + ed = orig_medge; for (uint i = 0; i < numEdges; i++, ed++) { if (edge_adj_faces_len[i] > 0) { - const uint v1 = vm[ed->v1]; - const uint v2 = vm[ed->v2]; + uint v1 = vm[ed->v1]; + uint v2 = vm[ed->v2]; if (v1 != v2) { - sub_v3_v3v3(edgedir, orig_mvert[v2].co, orig_mvert[v1].co); + if (v2 < v1) { + SWAP(uint, v1, v2); + } + sub_v3_v3v3(edgedir, orig_mvert_co[v2], orig_mvert_co[v1]); orig_edge_lengths[i] = len_squared_v3(edgedir); - if (orig_edge_lengths[i] <= FLT_EPSILON) { - if (v2 > v1) { - for (uint j = v2; j < numVerts; j++) { - if (vm[j] == v2) { - vm[j] = v1; - vert_adj_edges_len[v1] += vert_adj_edges_len[j]; - vert_adj_edges_len[j] = 0; - } - } - } - else if (v2 < v1) { - for (uint j = v1; j < numVerts; j++) { - if (vm[j] == v1) { - vm[j] = v2; - vert_adj_edges_len[v2] += vert_adj_edges_len[j]; - vert_adj_edges_len[j] = 0; - } + if (orig_edge_lengths[i] <= merge_tolerance_sqr) { + mul_v3_fl(edgedir, + (combined_verts[v2] + 1) / + (float)(combined_verts[v1] + combined_verts[v2] + 2)); + add_v3_v3(orig_mvert_co[v1], edgedir); + for (uint j = v2; j < numVerts; j++) { + if (vm[j] == v2) { + vm[j] = v1; } } + vert_adj_edges_len[v1] += vert_adj_edges_len[v2]; + vert_adj_edges_len[v2] = 0; + combined_verts[v1] += combined_verts[v2] + 1; + if (do_shell) { numNewLoops -= edge_adj_faces_len[i] * 2; } @@ -429,6 +440,7 @@ Mesh *MOD_solidify_nonmanifold_applyModifier(ModifierData *md, } MEM_freeN(face_singularity); + MEM_freeN(combined_verts); } /* Create vert_adj_edges for verts. */ @@ -668,7 +680,7 @@ Mesh *MOD_solidify_nonmanifold_applyModifier(ModifierData *md, const uint v1 = vm[ed->v1]; const uint v2 = vm[ed->v2]; if (edge_adj_faces_len[i] > 0) { - sub_v3_v3v3(edgedir, orig_mvert[v2].co, orig_mvert[v1].co); + sub_v3_v3v3(edgedir, orig_mvert_co[v2], orig_mvert_co[v1]); mul_v3_fl(edgedir, 1.0f / orig_edge_lengths[i]); OldEdgeFaceRef *adj_faces = edge_adj_faces[i]; @@ -1496,8 +1508,9 @@ Mesh *MOD_solidify_nonmanifold_applyModifier(ModifierData *md, ml_prev = ml; ml = ml_next; } - angle = angle_v3v3v3( - orig_mvert[vm[ml_prev->v]].co, mv->co, orig_mvert[vm[ml_next->v]].co); + angle = angle_v3v3v3(orig_mvert_co[vm[ml_prev->v]], + orig_mvert_co[i], + orig_mvert_co[vm[ml_next->v]]); if (face->reversed) { total_angle_back += angle * ofs * ofs; } @@ -1591,7 +1604,8 @@ Mesh *MOD_solidify_nonmanifold_applyModifier(ModifierData *md, uint k; for (k = 1; k + 1 < g->edges_len; k++, edge_ptr++) { MEdge *e = orig_medge + (*edge_ptr)->old_edge; - sub_v3_v3v3(tmp, orig_mvert[vm[e->v1] == i ? e->v2 : e->v1].co, mv->co); + sub_v3_v3v3( + tmp, orig_mvert_co[vm[e->v1] == i ? e->v2 : e->v1], orig_mvert_co[i]); add_v3_v3(move_nor, tmp); } if (k == 1) { @@ -1613,10 +1627,12 @@ Mesh *MOD_solidify_nonmanifold_applyModifier(ModifierData *md, MEdge *e1_edge = orig_medge + g->edges[g->edges_len - 1]->old_edge; float e0[3]; float e1[3]; - sub_v3_v3v3( - e0, orig_mvert[vm[e0_edge->v1] == i ? e0_edge->v2 : e0_edge->v1].co, mv->co); - sub_v3_v3v3( - e1, orig_mvert[vm[e1_edge->v1] == i ? e1_edge->v2 : e1_edge->v1].co, mv->co); + sub_v3_v3v3(e0, + orig_mvert_co[vm[e0_edge->v1] == i ? e0_edge->v2 : e0_edge->v1], + orig_mvert_co[i]); + sub_v3_v3v3(e1, + orig_mvert_co[vm[e1_edge->v1] == i ? e1_edge->v2 : e1_edge->v1], + orig_mvert_co[i]); if (smd->nonmanifold_boundary_mode == MOD_SOLIDIFY_NONMANIFOLD_BOUNDARY_MODE_FLAT) { cross_v3_v3v3(constr_nor, e0, e1); } @@ -1702,16 +1718,17 @@ Mesh *MOD_solidify_nonmanifold_applyModifier(ModifierData *md, } } mul_v3_fl(nor, scalar_vgroup); - add_v3_v3v3(g->co, nor, mv->co); + add_v3_v3v3(g->co, nor, orig_mvert_co[i]); } else { - copy_v3_v3(g->co, mv->co); + copy_v3_v3(g->co, orig_mvert_co[i]); } } } } } + MEM_freeN(orig_mvert_co); if (null_faces) { MEM_freeN(null_faces); } |