Merge remote-tracking branch 'origin/master' into geometry-nodesgeometry-nodes

1 files changed, 141 insertions, 0 deletions

diff --git a/source/blender/nodes/geometry/nodes/node_geo_attribute_fill.cc b/source/blender/nodes/geometry/nodes/node_geo_attribute_fill.cc
new file mode 100644
index 00000000000..5cdbd18ecc8
--- /dev/null
+++ b/source/blender/nodes/geometry/nodes/node_geo_attribute_fill.cc
@@ -0,0 +1,141 @@
+/*
+ * 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 "BLI_rand.hh"
+
+#include "DNA_mesh_types.h"
+#include "DNA_pointcloud_types.h"
+
+static bNodeSocketTemplate geo_node_attribute_fill_in[] = {
+    {SOCK_GEOMETRY, N_("Geometry")},
+    {SOCK_STRING, N_("Attribute")},
+    {SOCK_VECTOR, N_("Value"), 0.0f, 0.0f, 0.0f, 0.0f, -FLT_MAX, FLT_MAX},
+    {SOCK_FLOAT, N_("Value"), 0.0f, 0.0f, 0.0f, 0.0f, -FLT_MAX, FLT_MAX},
+    {SOCK_RGBA, N_("Value"), 0.0f, 0.0f, 0.0f, 0.0f, -FLT_MAX, FLT_MAX},
+    {SOCK_BOOLEAN, N_("Value"), 0.0f, 0.0f, 0.0f, 0.0f, -FLT_MAX, FLT_MAX},
+    {-1, ""},
+};
+
+static bNodeSocketTemplate geo_node_attribute_fill_out[] = {
+    {SOCK_GEOMETRY, N_("Geometry")},
+    {-1, ""},
+};
+
+static void geo_node_attribute_fill_init(bNodeTree *UNUSED(tree), bNode *node)
+{
+  node->custom1 = CD_PROP_FLOAT;
+}
+
+static void geo_node_attribute_fill_update(bNodeTree *UNUSED(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;
+
+  const CustomDataType data_type = static_cast<CustomDataType>(node->custom1);
+
+  nodeSetSocketAvailability(socket_value_vector, data_type == CD_PROP_FLOAT3);
+  nodeSetSocketAvailability(socket_value_float, data_type == CD_PROP_FLOAT);
+  nodeSetSocketAvailability(socket_value_color4f, data_type == CD_PROP_COLOR);
+  nodeSetSocketAvailability(socket_value_boolean, data_type == CD_PROP_BOOL);
+}
+
+namespace blender::nodes {
+
+static void fill_attribute(GeometryComponent &component, const GeoNodeExecParams &params)
+{
+  const bNode &node = params.node();
+  const CustomDataType data_type = static_cast<CustomDataType>(node.custom1);
+  const AttributeDomain domain = static_cast<AttributeDomain>(node.custom2);
+  const std::string attribute_name = params.get_input<std::string>("Attribute");
+  if (attribute_name.empty()) {
+    return;
+  }
+
+  WriteAttributePtr attribute = component.attribute_try_ensure_for_write(
+      attribute_name, domain, data_type);
+  if (!attribute) {
+    return;
+  }
+
+  switch (data_type) {
+    case CD_PROP_FLOAT: {
+      FloatWriteAttribute float_attribute = std::move(attribute);
+      const float value = params.get_input<float>("Value_001");
+      MutableSpan<float> attribute_span = float_attribute.get_span();
+      attribute_span.fill(value);
+      float_attribute.apply_span();
+      break;
+    }
+    case CD_PROP_FLOAT3: {
+      Float3WriteAttribute float3_attribute = std::move(attribute);
+      const float3 value = params.get_input<float3>("Value");
+      MutableSpan<float3> attribute_span = float3_attribute.get_span();
+      attribute_span.fill(value);
+      float3_attribute.apply_span();
+      break;
+    }
+    case CD_PROP_COLOR: {
+      Color4fWriteAttribute color4f_attribute = std::move(attribute);
+      const Color4f value = params.get_input<Color4f>("Value_002");
+      MutableSpan<Color4f> attribute_span = color4f_attribute.get_span();
+      attribute_span.fill(value);
+      color4f_attribute.apply_span();
+      break;
+    }
+    case CD_PROP_BOOL: {
+      BooleanWriteAttribute boolean_attribute = std::move(attribute);
+      const bool value = params.get_input<bool>("Value_003");
+      MutableSpan<bool> attribute_span = boolean_attribute.get_span();
+      attribute_span.fill(value);
+      boolean_attribute.apply_span();
+      break;
+    }
+    default:
+      break;
+  }
+}
+
+static void geo_node_attribute_fill_exec(GeoNodeExecParams params)
+{
+  GeometrySet geometry_set = params.extract_input<GeometrySet>("Geometry");
+
+  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);
+  }
+
+  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_ATTRIBUTE_FILL, "Attribute Fill", NODE_CLASS_ATTRIBUTE, 0);
+  node_type_socket_templates(&ntype, geo_node_attribute_fill_in, geo_node_attribute_fill_out);
+  node_type_init(&ntype, geo_node_attribute_fill_init);
+  node_type_update(&ntype, geo_node_attribute_fill_update);
+  ntype.geometry_node_execute = blender::nodes::geo_node_attribute_fill_exec;
+  nodeRegisterType(&ntype);
+}