Geometry Nodes: add Volume to Mesh node

This node takes a volume and generates a mesh on it's "surface".
The surface is defined by a threshold value.

Currently, the node only works on volumes generated by the
Points to Volume node. This limitation will be resolved soonish.

Ref T84605.

Differential Revision: https://developer.blender.org/D10243

1 files changed, 12 insertions, 0 deletions

diff --git a/source/blender/editors/space_node/drawnode.c b/source/blender/editors/space_node/drawnode.c
index 7d0ff2331d0..132dcd8a9fb 100644
--- a/source/blender/editors/space_node/drawnode.c
+++ b/source/blender/editors/space_node/drawnode.c
@@ -3389,6 +3389,15 @@ static void node_geometry_buts_attribute_proximity(uiLayout *layout,
   uiItemR(layout, ptr, "target_geometry_element", DEFAULT_FLAGS, "", ICON_NONE);
 }
 
+static void node_geometry_buts_volume_to_mesh(uiLayout *layout,
+                                              bContext *UNUSED(C),
+                                              PointerRNA *ptr)
+{
+  uiLayoutSetPropSep(layout, true);
+  uiLayoutSetPropDecorate(layout, false);
+  uiItemR(layout, ptr, "resolution_mode", DEFAULT_FLAGS, IFACE_("Resolution"), ICON_NONE);
+}
+
 static void node_geometry_set_butfunc(bNodeType *ntype)
 {
   switch (ntype->type) {
@@ -3455,6 +3464,9 @@ static void node_geometry_set_butfunc(bNodeType *ntype)
     case GEO_NODE_ATTRIBUTE_PROXIMITY:
       ntype->draw_buttons = node_geometry_buts_attribute_proximity;
       break;
+    case GEO_NODE_VOLUME_TO_MESH:
+      ntype->draw_buttons = node_geometry_buts_volume_to_mesh;
+      break;
   }
 }