diff options
Diffstat (limited to 'source/blender/nodes/geometry/nodes/legacy/node_geo_curve_select_by_handle_type.cc')
| -rw-r--r-- | source/blender/nodes/geometry/nodes/legacy/node_geo_curve_select_by_handle_type.cc | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/source/blender/nodes/geometry/nodes/legacy/node_geo_curve_select_by_handle_type.cc b/source/blender/nodes/geometry/nodes/legacy/node_geo_curve_select_by_handle_type.cc new file mode 100644 index 00000000000..dfcae2e65b0 --- /dev/null +++ b/source/blender/nodes/geometry/nodes/legacy/node_geo_curve_select_by_handle_type.cc @@ -0,0 +1,145 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#include "BLI_task.hh" + +#include "BKE_spline.hh" + +#include "UI_interface.h" +#include "UI_resources.h" + +#include "node_geometry_util.hh" + +namespace blender::nodes { + +static void geo_node_select_by_handle_type_declare(NodeDeclarationBuilder &b) +{ + b.add_input<decl::Geometry>("Geometry"); + b.add_input<decl::String>("Selection"); + b.add_output<decl::Geometry>("Geometry"); +} + +static void geo_node_curve_select_by_handle_type_layout(uiLayout *layout, + bContext *UNUSED(C), + PointerRNA *ptr) +{ + uiItemR(layout, ptr, "mode", UI_ITEM_R_EXPAND, nullptr, ICON_NONE); + uiItemR(layout, ptr, "handle_type", 0, "", ICON_NONE); +} + +static void geo_node_curve_select_by_handle_type_init(bNodeTree *UNUSED(tree), bNode *node) +{ + NodeGeometryCurveSelectHandles *data = (NodeGeometryCurveSelectHandles *)MEM_callocN( + sizeof(NodeGeometryCurveSelectHandles), __func__); + + data->handle_type = GEO_NODE_CURVE_HANDLE_AUTO; + data->mode = GEO_NODE_CURVE_HANDLE_LEFT | GEO_NODE_CURVE_HANDLE_RIGHT; + node->storage = data; +} + +static BezierSpline::HandleType handle_type_from_input_type(const GeometryNodeCurveHandleType type) +{ + switch (type) { + case GEO_NODE_CURVE_HANDLE_AUTO: + return BezierSpline::HandleType::Auto; + case GEO_NODE_CURVE_HANDLE_ALIGN: + return BezierSpline::HandleType::Align; + case GEO_NODE_CURVE_HANDLE_FREE: + return BezierSpline::HandleType::Free; + case GEO_NODE_CURVE_HANDLE_VECTOR: + return BezierSpline::HandleType::Vector; + } + BLI_assert_unreachable(); + return BezierSpline::HandleType::Auto; +} + +static void select_curve_by_handle_type(const CurveEval &curve, + const BezierSpline::HandleType type, + const GeometryNodeCurveHandleMode mode, + const MutableSpan<bool> r_selection) +{ + const Array<int> offsets = curve.control_point_offsets(); + Span<SplinePtr> splines = curve.splines(); + threading::parallel_for(splines.index_range(), 128, [&](IndexRange range) { + for (const int i_spline : range) { + const Spline &spline = *splines[i_spline]; + if (spline.type() == Spline::Type::Bezier) { + const BezierSpline &bezier_spline = static_cast<const BezierSpline &>(spline); + Span<BezierSpline::HandleType> types_left = bezier_spline.handle_types_left(); + Span<BezierSpline::HandleType> types_right = bezier_spline.handle_types_right(); + for (const int i_point : IndexRange(bezier_spline.size())) { + r_selection[offsets[i_spline] + i_point] = (mode & GEO_NODE_CURVE_HANDLE_LEFT && + types_left[i_point] == type) || + (mode & GEO_NODE_CURVE_HANDLE_RIGHT && + types_right[i_point] == type); + } + } + else { + r_selection.slice(offsets[i_spline], offsets[i_spline + 1]).fill(false); + } + } + }); +} + +static void geo_node_select_by_handle_type_exec(GeoNodeExecParams params) +{ + const NodeGeometryCurveSelectHandles *storage = + (const NodeGeometryCurveSelectHandles *)params.node().storage; + const BezierSpline::HandleType handle_type = handle_type_from_input_type( + (GeometryNodeCurveHandleType)storage->handle_type); + const GeometryNodeCurveHandleMode mode = (GeometryNodeCurveHandleMode)storage->mode; + + GeometrySet geometry_set = params.extract_input<GeometrySet>("Geometry"); + geometry_set = bke::geometry_set_realize_instances(geometry_set); + + CurveComponent &curve_component = geometry_set.get_component_for_write<CurveComponent>(); + const CurveEval *curve = curve_component.get_for_read(); + + if (curve != nullptr) { + const std::string selection_name = params.extract_input<std::string>("Selection"); + OutputAttribute_Typed<bool> selection = + curve_component.attribute_try_get_for_output_only<bool>(selection_name, ATTR_DOMAIN_POINT); + if (selection) { + select_curve_by_handle_type(*curve, handle_type, mode, selection.as_span()); + selection.save(); + } + } + + params.set_output("Geometry", std::move(geometry_set)); +} + +} // namespace blender::nodes + +void register_node_type_geo_select_by_handle_type() +{ + static bNodeType ntype; + + geo_node_type_base(&ntype, + GEO_NODE_LEGACY_CURVE_SELECT_HANDLES, + "Select by Handle Type", + NODE_CLASS_GEOMETRY, + 0); + ntype.declare = blender::nodes::geo_node_select_by_handle_type_declare; + ntype.geometry_node_execute = blender::nodes::geo_node_select_by_handle_type_exec; + node_type_init(&ntype, blender::nodes::geo_node_curve_select_by_handle_type_init); + node_type_storage(&ntype, + "NodeGeometryCurveSelectHandles", + node_free_standard_storage, + node_copy_standard_storage); + ntype.draw_buttons = blender::nodes::geo_node_curve_select_by_handle_type_layout; + + nodeRegisterType(&ntype); +} |