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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::node_geo_geometry_to_instance_cc {
static void node_declare(NodeDeclarationBuilder &b)
{
b.add_input<decl::Geometry>(N_("Geometry")).multi_input();
b.add_output<decl::Geometry>(N_("Instances"));
}
static void node_geo_exec(GeoNodeExecParams params)
{
Vector<GeometrySet> geometries = params.extract_multi_input<GeometrySet>("Geometry");
GeometrySet instances_geometry;
InstancesComponent &instances_component =
instances_geometry.get_component_for_write<InstancesComponent>();
for (GeometrySet &geometry : geometries) {
geometry.ensure_owns_direct_data();
const int handle = instances_component.add_reference(std::move(geometry));
instances_component.add_instance(handle, float4x4::identity());
}
params.set_output("Instances", std::move(instances_geometry));
}
} // namespace blender::nodes::node_geo_geometry_to_instance_cc
void register_node_type_geo_geometry_to_instance()
{
namespace file_ns = blender::nodes::node_geo_geometry_to_instance_cc;
static bNodeType ntype;
geo_node_type_base(
&ntype, GEO_NODE_GEOMETRY_TO_INSTANCE, "Geometry to Instance", NODE_CLASS_GEOMETRY);
node_type_size(&ntype, 160, 100, 300);
ntype.geometry_node_execute = file_ns::node_geo_exec;
ntype.declare = file_ns::node_declare;
nodeRegisterType(&ntype);
}
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