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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"
#include "UI_interface.h"
#include "UI_resources.h"
#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "BKE_material.h"
namespace blender::nodes {
static void geo_node_material_replace_declare(NodeDeclarationBuilder &b)
{
b.add_input<decl::Geometry>("Geometry");
b.add_input<decl::Material>("Old");
b.add_input<decl::Material>("New");
b.add_output<decl::Geometry>("Geometry");
}
static void geo_node_material_replace_exec(GeoNodeExecParams params)
{
Material *old_material = params.extract_input<Material *>("Old");
Material *new_material = params.extract_input<Material *>("New");
GeometrySet geometry_set = params.extract_input<GeometrySet>("Geometry");
geometry_set.modify_geometry_sets([&](GeometrySet &geometry_set) {
Mesh *mesh = geometry_set.get_mesh_for_write();
if (mesh != nullptr) {
for (const int i : IndexRange(mesh->totcol)) {
if (mesh->mat[i] == old_material) {
mesh->mat[i] = new_material;
}
}
}
});
params.set_output("Geometry", std::move(geometry_set));
}
} // namespace blender::nodes
void register_node_type_geo_material_replace()
{
static bNodeType ntype;
geo_node_type_base(
&ntype, GEO_NODE_MATERIAL_REPLACE, "Material Replace", NODE_CLASS_GEOMETRY, 0);
ntype.declare = blender::nodes::geo_node_material_replace_declare;
ntype.geometry_node_execute = blender::nodes::geo_node_material_replace_exec;
nodeRegisterType(&ntype);
}
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