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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_fill_declare(NodeDeclarationBuilder &b)
{
b.add_input<decl::Geometry>(N_("Geometry"));
b.add_input<decl::String>(N_("Attribute")).is_attribute_name();
b.add_input<decl::Vector>(N_("Value"), "Value");
b.add_input<decl::Float>(N_("Value"), "Value_001");
b.add_input<decl::Color>(N_("Value"), "Value_002");
b.add_input<decl::Bool>(N_("Value"), "Value_003");
b.add_input<decl::Int>(N_("Value"), "Value_004");
b.add_output<decl::Geometry>(N_("Geometry"));
}
static void geo_node_attribute_fill_layout(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
{
uiLayoutSetPropSep(layout, true);
uiLayoutSetPropDecorate(layout, false);
uiItemR(layout, ptr, "domain", 0, "", ICON_NONE);
uiItemR(layout, ptr, "data_type", 0, "", ICON_NONE);
}
static void geo_node_attribute_fill_init(bNodeTree *UNUSED(tree), bNode *node)
{
node->custom1 = CD_PROP_FLOAT;
node->custom2 = ATTR_DOMAIN_AUTO;
}
static void geo_node_attribute_fill_update(bNodeTree *ntree, bNode *node)
{
bNodeSocket *socket_value_vector = (bNodeSocket *)BLI_findlink(&node->inputs, 2);
bNodeSocket *socket_value_float = socket_value_vector->next;
bNodeSocket *socket_value_color4f = socket_value_float->next;
bNodeSocket *socket_value_boolean = socket_value_color4f->next;
bNodeSocket *socket_value_int32 = socket_value_boolean->next;
const CustomDataType data_type = static_cast<CustomDataType>(node->custom1);
nodeSetSocketAvailability(ntree, socket_value_vector, data_type == CD_PROP_FLOAT3);
nodeSetSocketAvailability(ntree, socket_value_float, data_type == CD_PROP_FLOAT);
nodeSetSocketAvailability(ntree, socket_value_color4f, data_type == CD_PROP_COLOR);
nodeSetSocketAvailability(ntree, socket_value_boolean, data_type == CD_PROP_BOOL);
nodeSetSocketAvailability(ntree, socket_value_int32, data_type == CD_PROP_INT32);
}
static AttributeDomain get_result_domain(const GeometryComponent &component, const StringRef name)
{
/* Use the domain of the result attribute if it already exists. */
std::optional<AttributeMetaData> result_info = component.attribute_get_meta_data(name);
if (result_info) {
return result_info->domain;
}
return ATTR_DOMAIN_POINT;
}
static void fill_attribute(GeometryComponent &component, const GeoNodeExecParams ¶ms)
{
const std::string attribute_name = params.get_input<std::string>("Attribute");
if (attribute_name.empty()) {
return;
}
const bNode &node = params.node();
const CustomDataType data_type = static_cast<CustomDataType>(node.custom1);
const AttributeDomain domain = static_cast<AttributeDomain>(node.custom2);
const AttributeDomain result_domain = (domain == ATTR_DOMAIN_AUTO) ?
get_result_domain(component, attribute_name) :
domain;
OutputAttribute attribute = component.attribute_try_get_for_output_only(
attribute_name, result_domain, data_type);
if (!attribute) {
return;
}
switch (data_type) {
case CD_PROP_FLOAT: {
const float value = params.get_input<float>("Value_001");
attribute->fill(&value);
break;
}
case CD_PROP_FLOAT3: {
const float3 value = params.get_input<float3>("Value");
attribute->fill(&value);
break;
}
case CD_PROP_COLOR: {
const ColorGeometry4f value = params.get_input<ColorGeometry4f>("Value_002");
attribute->fill(&value);
break;
}
case CD_PROP_BOOL: {
const bool value = params.get_input<bool>("Value_003");
attribute->fill(&value);
break;
}
case CD_PROP_INT32: {
const int value = params.get_input<int>("Value_004");
attribute->fill(&value);
break;
}
default:
break;
}
attribute.save();
}
static void geo_node_attribute_fill_exec(GeoNodeExecParams params)
{
GeometrySet geometry_set = params.extract_input<GeometrySet>("Geometry");
geometry_set = geometry_set_realize_instances(geometry_set);
if (geometry_set.has<MeshComponent>()) {
fill_attribute(geometry_set.get_component_for_write<MeshComponent>(), params);
}
if (geometry_set.has<PointCloudComponent>()) {
fill_attribute(geometry_set.get_component_for_write<PointCloudComponent>(), params);
}
if (geometry_set.has<CurveComponent>()) {
fill_attribute(geometry_set.get_component_for_write<CurveComponent>(), params);
}
params.set_output("Geometry", geometry_set);
}
} // namespace blender::nodes
void register_node_type_geo_attribute_fill()
{
static bNodeType ntype;
geo_node_type_base(
&ntype, GEO_NODE_LEGACY_ATTRIBUTE_FILL, "Attribute Fill", NODE_CLASS_ATTRIBUTE, 0);
node_type_init(&ntype, blender::nodes::geo_node_attribute_fill_init);
node_type_update(&ntype, blender::nodes::geo_node_attribute_fill_update);
ntype.geometry_node_execute = blender::nodes::geo_node_attribute_fill_exec;
ntype.draw_buttons = blender::nodes::geo_node_attribute_fill_layout;
ntype.declare = blender::nodes::geo_node_attribute_fill_declare;
nodeRegisterType(&ntype);
}
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