Geometry Nodes: new Distribute Points on Faces node

This adds a replacement for the deprecated Point Distribute node.

Arguments for the name change can be found in T91155.
Descriptions of the sockets are available in D12536.

Thanks to Jarrett Johnson for the initial patch!

Differential Revision: https://developer.blender.org/D12536

3 files changed, 10 insertions, 0 deletions

diff --git a/source/blender/blenkernel/BKE_geometry_set.hh b/source/blender/blenkernel/BKE_geometry_set.hh
index a6c77c74b9e..5fcdbc83e25 100644
--- a/source/blender/blenkernel/BKE_geometry_set.hh
+++ b/source/blender/blenkernel/BKE_geometry_set.hh
@@ -715,6 +715,14 @@ class AnonymousAttributeFieldInput : public fn::FieldInput {
   {
   }
 
+  template<typename T> static fn::Field<T> Create(StrongAnonymousAttributeID anonymous_id)
+  {
+    const CPPType &type = CPPType::get<T>();
+    auto field_input = std::make_shared<AnonymousAttributeFieldInput>(std::move(anonymous_id),
+                                                                      type);
+    return fn::Field<T>{field_input};
+  }
+
   const GVArray *get_varray_for_context(const fn::FieldContext &context,
                                         IndexMask mask,
                                         ResourceScope &scope) const override;
diff --git a/source/blender/blenkernel/BKE_node.h b/source/blender/blenkernel/BKE_node.h
index 2e843e82a9f..6f2d0d9dd90 100644
--- a/source/blender/blenkernel/BKE_node.h
+++ b/source/blender/blenkernel/BKE_node.h
@@ -1500,6 +1500,7 @@ int ntreeTexExecTree(struct bNodeTree *ntree,
 #define GEO_NODE_STRING_JOIN 1087
 #define GEO_NODE_CURVE_PARAMETER 1088
 #define GEO_NODE_CURVE_FILLET 1089
+#define GEO_NODE_DISTRIBUTE_POINTS_ON_FACES 1090
 
 /** \} */
 
diff --git a/source/blender/blenkernel/intern/node.cc b/source/blender/blenkernel/intern/node.cc
index 7fd681960cf..78789b2e771 100644
--- a/source/blender/blenkernel/intern/node.cc
+++ b/source/blender/blenkernel/intern/node.cc
@@ -5762,6 +5762,7 @@ static void registerGeometryNodes()
   register_node_type_geo_curve_to_points();
   register_node_type_geo_curve_trim();
   register_node_type_geo_delete_geometry();
+  register_node_type_geo_distribute_points_on_faces();
   register_node_type_geo_edge_split();
   register_node_type_geo_input_index();
   register_node_type_geo_input_material();