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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 "BKE_curve_to_mesh.hh"
#include "UI_interface.h"
#include "UI_resources.h"
#include "node_geometry_util.hh"
namespace blender::nodes {
static void geo_node_curve_to_mesh_declare(NodeDeclarationBuilder &b)
{
b.add_input<decl::Geometry>(N_("Curve")).supported_type(GEO_COMPONENT_TYPE_CURVE);
b.add_input<decl::Geometry>(N_("Profile Curve"))
.only_realized_data()
.supported_type(GEO_COMPONENT_TYPE_CURVE);
b.add_input<decl::Bool>(N_("Fill Caps"))
.description(
N_("If the profile spline is cyclic, fill the ends of the generated mesh with N-gons"));
b.add_output<decl::Geometry>(N_("Mesh"));
}
static void geometry_set_curve_to_mesh(GeometrySet &geometry_set,
const GeometrySet &profile_set,
const bool fill_caps)
{
const CurveEval *curve = geometry_set.get_curve_for_read();
const CurveEval *profile_curve = profile_set.get_curve_for_read();
if (profile_curve == nullptr) {
Mesh *mesh = bke::curve_to_wire_mesh(*curve);
geometry_set.replace_mesh(mesh);
}
else {
Mesh *mesh = bke::curve_to_mesh_sweep(*curve, *profile_curve, fill_caps);
geometry_set.replace_mesh(mesh);
}
}
static void geo_node_curve_to_mesh_exec(GeoNodeExecParams params)
{
GeometrySet curve_set = params.extract_input<GeometrySet>("Curve");
GeometrySet profile_set = params.extract_input<GeometrySet>("Profile Curve");
const bool fill_caps = params.extract_input<bool>("Fill Caps");
bool has_curve = false;
curve_set.modify_geometry_sets([&](GeometrySet &geometry_set) {
if (geometry_set.has_curve()) {
has_curve = true;
geometry_set_curve_to_mesh(geometry_set, profile_set, fill_caps);
}
geometry_set.keep_only({GEO_COMPONENT_TYPE_MESH, GEO_COMPONENT_TYPE_INSTANCES});
});
params.set_output("Mesh", std::move(curve_set));
}
} // namespace blender::nodes
void register_node_type_geo_curve_to_mesh()
{
static bNodeType ntype;
geo_node_type_base(&ntype, GEO_NODE_CURVE_TO_MESH, "Curve to Mesh", NODE_CLASS_GEOMETRY, 0);
ntype.declare = blender::nodes::geo_node_curve_to_mesh_declare;
ntype.geometry_node_execute = blender::nodes::geo_node_curve_to_mesh_exec;
nodeRegisterType(&ntype);
}
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