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/*
* 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 "node_geometry_util.hh"
namespace blender::nodes {
static void geo_node_set_shade_smooth_declare(NodeDeclarationBuilder &b)
{
b.add_input<decl::Geometry>("Geometry");
b.add_input<decl::Bool>("Selection").default_value(true).hide_value().supports_field();
b.add_input<decl::Bool>("Shade Smooth").supports_field();
b.add_output<decl::Geometry>("Geometry");
}
static void set_smooth_in_component(GeometryComponent &component,
const Field<bool> &selection_field,
const Field<bool> &shade_field)
{
GeometryComponentFieldContext field_context{component, ATTR_DOMAIN_FACE};
const int domain_size = component.attribute_domain_size(ATTR_DOMAIN_FACE);
if (domain_size == 0) {
return;
}
fn::FieldEvaluator selection_evaluator{field_context, domain_size};
selection_evaluator.add(selection_field);
selection_evaluator.evaluate();
const IndexMask selection = selection_evaluator.get_evaluated_as_mask(0);
OutputAttribute_Typed<bool> shades = component.attribute_try_get_for_output_only<bool>(
"shade_smooth", ATTR_DOMAIN_FACE);
fn::FieldEvaluator shade_evaluator{field_context, &selection};
shade_evaluator.add_with_destination(shade_field, shades.varray());
shade_evaluator.evaluate();
shades.save();
}
static void geo_node_set_shade_smooth_exec(GeoNodeExecParams params)
{
GeometrySet geometry_set = params.extract_input<GeometrySet>("Geometry");
Field<bool> selection_field = params.extract_input<Field<bool>>("Selection");
Field<bool> shade_field = params.extract_input<Field<bool>>("Shade Smooth");
geometry_set.modify_geometry_sets([&](GeometrySet &geometry_set) {
if (geometry_set.has_mesh()) {
set_smooth_in_component(
geometry_set.get_component_for_write<MeshComponent>(), selection_field, shade_field);
}
});
params.set_output("Geometry", std::move(geometry_set));
}
} // namespace blender::nodes
void register_node_type_geo_set_shade_smooth()
{
static bNodeType ntype;
geo_node_type_base(
&ntype, GEO_NODE_SET_SHADE_SMOOTH, "Set Shade Smooth", NODE_CLASS_GEOMETRY, 0);
ntype.geometry_node_execute = blender::nodes::geo_node_set_shade_smooth_exec;
ntype.declare = blender::nodes::geo_node_set_shade_smooth_declare;
nodeRegisterType(&ntype);
}
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