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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 {
static void geo_node_attribute_combine_xyz_declare(NodeDeclarationBuilder &b)
{
b.add_input<decl::Geometry>("Geometry");
b.add_input<decl::String>("X");
b.add_input<decl::Float>("X", "X_001");
b.add_input<decl::String>("Y");
b.add_input<decl::Float>("Y", "Y_001");
b.add_input<decl::String>("Z");
b.add_input<decl::Float>("Z", "Z_001");
b.add_input<decl::String>("Result");
b.add_output<decl::Geometry>("Geometry");
}
static void geo_node_attribute_combine_xyz_layout(uiLayout *layout,
bContext *UNUSED(C),
PointerRNA *ptr)
{
uiLayoutSetPropSep(layout, true);
uiLayoutSetPropDecorate(layout, false);
uiLayout *col = uiLayoutColumn(layout, false);
uiItemR(col, ptr, "input_type_x", 0, IFACE_("X"), ICON_NONE);
uiItemR(col, ptr, "input_type_y", 0, IFACE_("Y"), ICON_NONE);
uiItemR(col, ptr, "input_type_z", 0, IFACE_("Z"), ICON_NONE);
}
static void geo_node_attribute_combine_xyz_init(bNodeTree *UNUSED(tree), bNode *node)
{
NodeAttributeCombineXYZ *data = (NodeAttributeCombineXYZ *)MEM_callocN(
sizeof(NodeAttributeCombineXYZ), __func__);
data->input_type_x = GEO_NODE_ATTRIBUTE_INPUT_FLOAT;
data->input_type_y = GEO_NODE_ATTRIBUTE_INPUT_FLOAT;
data->input_type_z = GEO_NODE_ATTRIBUTE_INPUT_FLOAT;
node->storage = data;
}
static void geo_node_attribute_combine_xyz_update(bNodeTree *UNUSED(ntree), bNode *node)
{
NodeAttributeCombineXYZ *node_storage = (NodeAttributeCombineXYZ *)node->storage;
update_attribute_input_socket_availabilities(
*node, "X", (GeometryNodeAttributeInputMode)node_storage->input_type_x);
update_attribute_input_socket_availabilities(
*node, "Y", (GeometryNodeAttributeInputMode)node_storage->input_type_y);
update_attribute_input_socket_availabilities(
*node, "Z", (GeometryNodeAttributeInputMode)node_storage->input_type_z);
}
static AttributeDomain get_result_domain(const GeometryComponent &component,
const GeoNodeExecParams ¶ms,
StringRef result_name)
{
/* Use the domain of the result attribute if it already exists. */
std::optional<AttributeMetaData> result_info = component.attribute_get_meta_data(result_name);
if (result_info) {
return result_info->domain;
}
/* Otherwise use the highest priority domain from existing input attributes, or the default. */
return params.get_highest_priority_input_domain({"X", "Y", "Z"}, component, ATTR_DOMAIN_POINT);
}
static void combine_attributes(GeometryComponent &component, const GeoNodeExecParams ¶ms)
{
const std::string result_name = params.get_input<std::string>("Result");
if (result_name.empty()) {
return;
}
const AttributeDomain result_domain = get_result_domain(component, params, result_name);
OutputAttribute_Typed<float3> attribute_result =
component.attribute_try_get_for_output_only<float3>(result_name, result_domain);
if (!attribute_result) {
return;
}
GVArray_Typed<float> attribute_x = params.get_input_attribute<float>(
"X", component, result_domain, 0.0f);
GVArray_Typed<float> attribute_y = params.get_input_attribute<float>(
"Y", component, result_domain, 0.0f);
GVArray_Typed<float> attribute_z = params.get_input_attribute<float>(
"Z", component, result_domain, 0.0f);
for (const int i : IndexRange(attribute_result->size())) {
const float x = attribute_x[i];
const float y = attribute_y[i];
const float z = attribute_z[i];
attribute_result->set(i, {x, y, z});
}
attribute_result.save();
}
static void geo_node_attribute_combine_xyz_exec(GeoNodeExecParams params)
{
GeometrySet geometry_set = params.extract_input<GeometrySet>("Geometry");
geometry_set = geometry_set_realize_instances(geometry_set);
if (geometry_set.has<MeshComponent>()) {
combine_attributes(geometry_set.get_component_for_write<MeshComponent>(), params);
}
if (geometry_set.has<PointCloudComponent>()) {
combine_attributes(geometry_set.get_component_for_write<PointCloudComponent>(), params);
}
if (geometry_set.has<CurveComponent>()) {
combine_attributes(geometry_set.get_component_for_write<CurveComponent>(), params);
}
params.set_output("Geometry", geometry_set);
}
} // namespace blender::nodes
void register_node_type_geo_attribute_combine_xyz()
{
static bNodeType ntype;
geo_node_type_base(&ntype,
GEO_NODE_LEGACY_ATTRIBUTE_COMBINE_XYZ,
"Attribute Combine XYZ",
NODE_CLASS_ATTRIBUTE,
0);
node_type_init(&ntype, blender::nodes::geo_node_attribute_combine_xyz_init);
node_type_update(&ntype, blender::nodes::geo_node_attribute_combine_xyz_update);
node_type_storage(
&ntype, "NodeAttributeCombineXYZ", node_free_standard_storage, node_copy_standard_storage);
ntype.declare = blender::nodes::geo_node_attribute_combine_xyz_declare;
ntype.geometry_node_execute = blender::nodes::geo_node_attribute_combine_xyz_exec;
ntype.draw_buttons = blender::nodes::geo_node_attribute_combine_xyz_layout;
nodeRegisterType(&ntype);
}
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