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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 "DNA_modifier_types.h"
#include "node_geometry_util.hh"
extern "C" {
Mesh *doEdgeSplit(const Mesh *mesh, EdgeSplitModifierData *emd);
}
namespace blender::nodes {
static void geo_node_edge_split_declare(NodeDeclarationBuilder &b)
{
b.add_input<decl::Geometry>("Geometry");
b.add_input<decl::Bool>("Edge Angle").default_value(true);
b.add_input<decl::Float>("Angle")
.default_value(DEG2RADF(30.0f))
.min(0.0f)
.max(DEG2RADF(180.0f))
.subtype(PROP_ANGLE);
b.add_input<decl::Bool>("Sharp Edges");
b.add_output<decl::Geometry>("Geometry");
}
static void geo_node_edge_split_exec(GeoNodeExecParams params)
{
GeometrySet geometry_set = params.extract_input<GeometrySet>("Geometry");
geometry_set = geometry_set_realize_instances(geometry_set);
if (!geometry_set.has_mesh()) {
params.set_output("Geometry", std::move(geometry_set));
return;
}
const bool use_sharp_flag = params.extract_input<bool>("Sharp Edges");
const bool use_edge_angle = params.extract_input<bool>("Edge Angle");
if (!use_edge_angle && !use_sharp_flag) {
params.set_output("Geometry", std::move(geometry_set));
return;
}
const float split_angle = params.extract_input<float>("Angle");
const Mesh *mesh_in = geometry_set.get_mesh_for_read();
/* Use modifier struct to pass arguments to the modifier code. */
EdgeSplitModifierData emd;
memset(&emd, 0, sizeof(EdgeSplitModifierData));
emd.split_angle = split_angle;
if (use_edge_angle) {
emd.flags = MOD_EDGESPLIT_FROMANGLE;
}
if (use_sharp_flag) {
emd.flags |= MOD_EDGESPLIT_FROMFLAG;
}
Mesh *mesh_out = doEdgeSplit(mesh_in, &emd);
geometry_set.replace_mesh(mesh_out);
params.set_output("Geometry", std::move(geometry_set));
}
} // namespace blender::nodes
void register_node_type_geo_edge_split()
{
static bNodeType ntype;
geo_node_type_base(&ntype, GEO_NODE_EDGE_SPLIT, "Edge Split", NODE_CLASS_GEOMETRY, 0);
ntype.geometry_node_execute = blender::nodes::geo_node_edge_split_exec;
ntype.declare = blender::nodes::geo_node_edge_split_declare;
nodeRegisterType(&ntype);
}
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