1 files changed, 165 insertions, 0 deletions
diff --git a/source/blender/nodes/geometry/nodes/legacy/node_geo_legacy_attribute_fill.cc b/source/blender/nodes/geometry/nodes/legacy/node_geo_legacy_attribute_fill.cc
new file mode 100644
index 00000000000..e84c35eeada
--- /dev/null
+++ b/source/blender/nodes/geometry/nodes/legacy/node_geo_legacy_attribute_fill.cc
@@ -0,0 +1,165 @@
+/*
+ * 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_legacy_attribute_fill_cc {
+
+static void node_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 node_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 node_init(bNodeTree *UNUSED(tree), bNode *node)
+{
+  node->custom1 = CD_PROP_FLOAT;
+  node->custom2 = ATTR_DOMAIN_AUTO;
+}
+
+static void node_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 &params)
+{
+  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 node_geo_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::node_geo_legacy_attribute_fill_cc
+
+void register_node_type_geo_attribute_fill()
+{
+  namespace file_ns = blender::nodes::node_geo_legacy_attribute_fill_cc;
+
+  static bNodeType ntype;
+
+  geo_node_type_base(
+      &ntype, GEO_NODE_LEGACY_ATTRIBUTE_FILL, "Attribute Fill", NODE_CLASS_ATTRIBUTE, 0);
+  node_type_init(&ntype, file_ns::node_init);
+  node_type_update(&ntype, file_ns::node_update);
+  ntype.geometry_node_execute = file_ns::node_geo_exec;
+  ntype.draw_buttons = file_ns::node_layout;
+  ntype.declare = file_ns::node_declare;
+  nodeRegisterType(&ntype);
+}