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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 "BKE_spline.hh"
#include "node_geometry_util.hh"
namespace blender::nodes::node_geo_curve_length_cc {
static void geo_node_curve_length_declare(NodeDeclarationBuilder &b)
{
b.add_input<decl::Geometry>(N_("Curve")).supported_type(GEO_COMPONENT_TYPE_CURVE);
b.add_output<decl::Float>(N_("Length"));
}
static void geo_node_curve_length_exec(GeoNodeExecParams params)
{
GeometrySet curve_set = params.extract_input<GeometrySet>("Curve");
if (!curve_set.has_curve()) {
params.set_output("Length", 0.0f);
return;
}
const CurveEval &curve = *curve_set.get_curve_for_read();
float length = 0.0f;
for (const SplinePtr &spline : curve.splines()) {
length += spline->length();
}
params.set_output("Length", length);
}
} // namespace blender::nodes::node_geo_curve_length_cc
void register_node_type_geo_curve_length()
{
namespace file_ns = blender::nodes::node_geo_curve_length_cc;
static bNodeType ntype;
geo_node_type_base(&ntype, GEO_NODE_CURVE_LENGTH, "Curve Length", NODE_CLASS_GEOMETRY, 0);
ntype.declare = file_ns::geo_node_curve_length_declare;
ntype.geometry_node_execute = file_ns::geo_node_curve_length_exec;
nodeRegisterType(&ntype);
}
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