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Differential D15982 Diff 59259 source/blender/nodes/geometry/nodes/node_geo_delete_geometry.cc

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source/blender/nodes/geometry/nodes/node_geo_delete_geometry.cc

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for (const int i : IndexRange(tot_loop)) { for (const int i : IndexRange(tot_loop)) {
indices.append_unchecked(src_loop_start + i); indices.append_unchecked(src_loop_start + i);
} }
} }
copy_attributes_based_on_mask( copy_attributes_based_on_mask(
attributes, src_attributes, dst_attributes, ATTR_DOMAIN_CORNER, IndexMask(indices)); attributes, src_attributes, dst_attributes, ATTR_DOMAIN_CORNER, IndexMask(indices));
} }
static void copy_masked_verts_to_new_mesh(const Mesh &src_mesh,
Mesh &dst_mesh,
Span<int> vertex_map)
{
BLI_assert(src_mesh.totvert == vertex_map.size());
const Span<MVert> src_verts = src_mesh.verts();
MutableSpan<MVert> dst_verts = dst_mesh.verts_for_write();
for (const int i_src : vertex_map.index_range()) {
const int i_dst = vertex_map[i_src];
if (i_dst == -1) {
continue;
}
dst_verts[i_dst] = src_verts[i_src];
}
}
static void copy_masked_edges_to_new_mesh(const Mesh &src_mesh, Mesh &dst_mesh, Span<int> edge_map) static void copy_masked_edges_to_new_mesh(const Mesh &src_mesh, Mesh &dst_mesh, Span<int> edge_map)
{ {
BLI_assert(src_mesh.totedge == edge_map.size()); BLI_assert(src_mesh.totedge == edge_map.size());
const Span<MEdge> src_edges = src_mesh.edges(); const Span<MEdge> src_edges = src_mesh.edges();
MutableSpan<MEdge> dst_edges = dst_mesh.edges_for_write(); MutableSpan<MEdge> dst_edges = dst_mesh.edges_for_write();
for (const int i_src : IndexRange(src_mesh.totedge)) { for (const int i_src : IndexRange(src_mesh.totedge)) {
const int i_dst = edge_map[i_src]; const int i_dst = edge_map[i_src];
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mesh_out = BKE_mesh_new_nomain_from_template(&mesh_in, mesh_out = BKE_mesh_new_nomain_from_template(&mesh_in,
selected_verts_num, selected_verts_num,
selected_edges_num, selected_edges_num,
0, 0,
selected_loops_num, selected_loops_num,
selected_polys_num); selected_polys_num);
/* Copy the selected parts of the mesh over to the new mesh. */ /* Copy the selected parts of the mesh over to the new mesh. */
copy_masked_verts_to_new_mesh(mesh_in, *mesh_out, vertex_map);
copy_masked_edges_to_new_mesh(mesh_in, *mesh_out, vertex_map, edge_map); copy_masked_edges_to_new_mesh(mesh_in, *mesh_out, vertex_map, edge_map);
copy_masked_polys_to_new_mesh( copy_masked_polys_to_new_mesh(
mesh_in, *mesh_out, vertex_map, edge_map, selected_poly_indices, new_loop_starts); mesh_in, *mesh_out, vertex_map, edge_map, selected_poly_indices, new_loop_starts);
/* Copy attributes. */ /* Copy attributes. */
copy_attributes_based_on_map(attributes, copy_attributes_based_on_map(attributes,
mesh_in.attributes(), mesh_in.attributes(),
mesh_out->attributes_for_write(), mesh_out->attributes_for_write(),
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mesh_out = BKE_mesh_new_nomain_from_template(&mesh_in, mesh_out = BKE_mesh_new_nomain_from_template(&mesh_in,
mesh_in.totvert, mesh_in.totvert,
selected_edges_num, selected_edges_num,
0, 0,
selected_loops_num, selected_loops_num,
selected_polys_num); selected_polys_num);
/* Copy the selected parts of the mesh over to the new mesh. */ /* Copy the selected parts of the mesh over to the new mesh. */
mesh_out->verts_for_write().copy_from(mesh_in.verts()); mesh_out->vert_positions_for_write().copy_from(mesh_in.vert_positions());
copy_masked_edges_to_new_mesh(mesh_in, *mesh_out, edge_map); copy_masked_edges_to_new_mesh(mesh_in, *mesh_out, edge_map);
copy_masked_polys_to_new_mesh( copy_masked_polys_to_new_mesh(
mesh_in, *mesh_out, edge_map, selected_poly_indices, new_loop_starts); mesh_in, *mesh_out, edge_map, selected_poly_indices, new_loop_starts);
/* Copy attributes. */ /* Copy attributes. */
copy_attributes( copy_attributes(
attributes, mesh_in.attributes(), mesh_out->attributes_for_write(), {ATTR_DOMAIN_POINT}); attributes, mesh_in.attributes(), mesh_out->attributes_for_write(), {ATTR_DOMAIN_POINT});
copy_attributes_based_on_map(attributes, copy_attributes_based_on_map(attributes,
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default: default:
BLI_assert_unreachable(); BLI_assert_unreachable();
break; break;
} }
mesh_out = BKE_mesh_new_nomain_from_template( mesh_out = BKE_mesh_new_nomain_from_template(
&mesh_in, mesh_in.totvert, mesh_in.totedge, 0, selected_loops_num, selected_polys_num); &mesh_in, mesh_in.totvert, mesh_in.totedge, 0, selected_loops_num, selected_polys_num);
/* Copy the selected parts of the mesh over to the new mesh. */ /* Copy the selected parts of the mesh over to the new mesh. */
mesh_out->verts_for_write().copy_from(mesh_in.verts()); mesh_out->vert_positions_for_write().copy_from(mesh_in.vert_positions());
mesh_out->edges_for_write().copy_from(mesh_in.edges()); mesh_out->edges_for_write().copy_from(mesh_in.edges());
copy_masked_polys_to_new_mesh(mesh_in, *mesh_out, selected_poly_indices, new_loop_starts); copy_masked_polys_to_new_mesh(mesh_in, *mesh_out, selected_poly_indices, new_loop_starts);
/* Copy attributes. */ /* Copy attributes. */
copy_attributes(attributes, copy_attributes(attributes,
mesh_in.attributes(), mesh_in.attributes(),
mesh_out->attributes_for_write(), mesh_out->attributes_for_write(),
{ATTR_DOMAIN_POINT, ATTR_DOMAIN_EDGE}); {ATTR_DOMAIN_POINT, ATTR_DOMAIN_EDGE});
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