diff options
Diffstat (limited to 'source/blender/blenkernel/intern/attribute_access.cc')
| -rw-r--r-- | source/blender/blenkernel/intern/attribute_access.cc | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/attribute_access.cc b/source/blender/blenkernel/intern/attribute_access.cc index aeb66dc5a33..cd394a4ca42 100644 --- a/source/blender/blenkernel/intern/attribute_access.cc +++ b/source/blender/blenkernel/intern/attribute_access.cc @@ -835,6 +835,26 @@ bool CustomDataAttributes::foreach_attribute(const AttributeForeachCallback call return true; } +void CustomDataAttributes::reorder(Span<AttributeIDRef> new_order) +{ + BLI_assert(new_order.size() == data.totlayer); + + Map<AttributeIDRef, int> old_order; + old_order.reserve(data.totlayer); + Array<CustomDataLayer> old_layers(Span(data.layers, data.totlayer)); + for (const int i : old_layers.index_range()) { + old_order.add_new(attribute_id_from_custom_data_layer(old_layers[i]), i); + } + + MutableSpan layers(data.layers, data.totlayer); + for (const int i : layers.index_range()) { + const int old_index = old_order.lookup(new_order[i]); + layers[i] = old_layers[old_index]; + } + + CustomData_update_typemap(&data); +} + } // namespace blender::bke /* -------------------------------------------------------------------- */ |