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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 "UI_interface.h"
#include "UI_resources.h"
#include "node_geometry_util.hh"
namespace blender::nodes::node_geo_separate_geometry_cc {
NODE_STORAGE_FUNCS(NodeGeometrySeparateGeometry)
static void node_declare(NodeDeclarationBuilder &b)
{
b.add_input<decl::Geometry>(N_("Geometry"));
b.add_input<decl::Bool>(N_("Selection"))
.default_value(true)
.hide_value()
.supports_field()
.description(N_("The parts of the geometry that go into the first output"));
b.add_output<decl::Geometry>(N_("Selection"))
.description(N_("The parts of the geometry in the selection"));
b.add_output<decl::Geometry>(N_("Inverted"))
.description(N_("The parts of the geometry not in the selection"));
}
static void node_layout(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
{
uiItemR(layout, ptr, "domain", 0, "", ICON_NONE);
}
static void node_init(bNodeTree *UNUSED(tree), bNode *node)
{
NodeGeometrySeparateGeometry *data = MEM_cnew<NodeGeometrySeparateGeometry>(__func__);
data->domain = ATTR_DOMAIN_POINT;
node->storage = data;
}
static void node_geo_exec(GeoNodeExecParams params)
{
GeometrySet geometry_set = params.extract_input<GeometrySet>("Geometry");
const Field<bool> selection_field = params.extract_input<Field<bool>>("Selection");
const NodeGeometrySeparateGeometry &storage = node_storage(params.node());
const AttributeDomain domain = static_cast<AttributeDomain>(storage.domain);
bool all_is_error = false;
GeometrySet second_set(geometry_set);
if (params.output_is_required("Selection")) {
geometry_set.modify_geometry_sets([&](GeometrySet &geometry_set) {
bool this_is_error = false;
separate_geometry(geometry_set,
domain,
GEO_NODE_DELETE_GEOMETRY_MODE_ALL,
selection_field,
false,
this_is_error);
all_is_error &= this_is_error;
});
params.set_output("Selection", std::move(geometry_set));
}
if (params.output_is_required("Inverted")) {
second_set.modify_geometry_sets([&](GeometrySet &geometry_set) {
bool this_is_error = false;
separate_geometry(geometry_set,
domain,
GEO_NODE_DELETE_GEOMETRY_MODE_ALL,
selection_field,
true,
this_is_error);
all_is_error &= this_is_error;
});
params.set_output("Inverted", std::move(second_set));
}
if (all_is_error) {
/* Only show this if none of the instances/components actually changed. */
params.error_message_add(NodeWarningType::Info, TIP_("No geometry with given domain"));
}
}
} // namespace blender::nodes::node_geo_separate_geometry_cc
void register_node_type_geo_separate_geometry()
{
namespace file_ns = blender::nodes::node_geo_separate_geometry_cc;
static bNodeType ntype;
geo_node_type_base(
&ntype, GEO_NODE_SEPARATE_GEOMETRY, "Separate Geometry", NODE_CLASS_GEOMETRY, 0);
node_type_storage(&ntype,
"NodeGeometrySeparateGeometry",
node_free_standard_storage,
node_copy_standard_storage);
node_type_init(&ntype, file_ns::node_init);
ntype.declare = file_ns::node_declare;
ntype.geometry_node_execute = file_ns::node_geo_exec;
ntype.draw_buttons = file_ns::node_layout;
nodeRegisterType(&ntype);
}
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