59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later */
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#include "BKE_curves.hh"
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#include "BKE_geometry_set.hh"
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using namespace blender;
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using namespace blender::bke;
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GeometryComponentEditData::GeometryComponentEditData() : GeometryComponent(GEO_COMPONENT_TYPE_EDIT)
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{
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}
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GeometryComponent *GeometryComponentEditData::copy() const
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{
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GeometryComponentEditData *new_component = new GeometryComponentEditData();
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if (curves_edit_hints_) {
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new_component->curves_edit_hints_ = std::make_unique<CurvesEditHints>(*curves_edit_hints_);
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}
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return new_component;
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}
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bool GeometryComponentEditData::owns_direct_data() const
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{
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return true;
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}
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void GeometryComponentEditData::ensure_owns_direct_data()
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{
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/* Nothing to do. */
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}
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void GeometryComponentEditData::remember_deformed_curve_positions_if_necessary(
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GeometrySet &geometry)
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{
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/* This component should be created at the start of object evaluation if it's necessary. */
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if (!geometry.has<GeometryComponentEditData>()) {
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return;
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}
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GeometryComponentEditData &edit_component =
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geometry.get_component_for_write<GeometryComponentEditData>();
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if (!edit_component.curves_edit_hints_) {
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return;
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}
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if (edit_component.curves_edit_hints_->positions.has_value()) {
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return;
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}
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const Curves *curves_id = geometry.get_curves_for_read();
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if (curves_id == nullptr) {
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return;
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}
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const bke::CurvesGeometry &curves = bke::CurvesGeometry::wrap(curves_id->geometry);
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const int points_num = curves.points_num();
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if (points_num != edit_component.curves_edit_hints_->curves_id_orig.geometry.point_num) {
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return;
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}
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edit_component.curves_edit_hints_->positions.emplace(points_num);
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edit_component.curves_edit_hints_->positions->as_mutable_span().copy_from(curves.positions());
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}
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