Depsgraph: Remove confusing metaball logic

DATA datablock must evaluation must never depend on object it is
used for. If there is something what depends on an object, it must
be done on object level.

At least the actual callback was empty.

3 files changed, 6 insertions, 30 deletions

diff --git a/source/blender/blenkernel/BKE_mball.h b/source/blender/blenkernel/BKE_mball.h
index 41f04c09e69..74ef9d9dbc0 100644
--- a/source/blender/blenkernel/BKE_mball.h
+++ b/source/blender/blenkernel/BKE_mball.h
@@ -76,8 +76,6 @@ void BKE_mball_select_swap(struct MetaBall *mb);
 
 struct Depsgraph;
 
-void BKE_mball_eval_geometry(struct Depsgraph *depsgraph,
-                             struct MetaBall *mball);
 /* Draw Cache */
 
 enum {
diff --git a/source/blender/blenkernel/intern/mball.c b/source/blender/blenkernel/intern/mball.c
index 339e79f2757..3afaf2d569e 100644
--- a/source/blender/blenkernel/intern/mball.c
+++ b/source/blender/blenkernel/intern/mball.c
@@ -563,11 +563,6 @@ void BKE_mball_select_swap(struct MetaBall *mb)
 
 /* **** Depsgraph evaluation **** */
 
-void BKE_mball_eval_geometry(struct Depsgraph *UNUSED(depsgraph),
-                             MetaBall *UNUSED(mball))
-{
-}
-
 /* Draw Engine */
 
 void (*BKE_mball_batch_cache_dirty_cb)(MetaBall *mb, int mode) = NULL;
diff --git a/source/blender/depsgraph/intern/builder/deg_builder_nodes.cc b/source/blender/depsgraph/intern/builder/deg_builder_nodes.cc
index f01baed06c3..73bacbc6192 100644
--- a/source/blender/depsgraph/intern/builder/deg_builder_nodes.cc
+++ b/source/blender/depsgraph/intern/builder/deg_builder_nodes.cc
@@ -1077,29 +1077,12 @@ void DepsgraphNodeBuilder::build_obdata_geom(Object *object)
 
 		case OB_MBALL:
 		{
-			Object *mom = BKE_mball_basis_find(scene_, object);
-			/* NOTE: Only the motherball gets evaluated, it's children are
-			 * having empty placeholders for the correct relations being built.
-			 */
-			if (mom == object) {
-				/* metaball evaluation operations */
-				op_node = add_operation_node(obdata,
-				                             DEG_NODE_TYPE_GEOMETRY,
-				                             function_bind(
-				                                     BKE_mball_eval_geometry,
-				                                     _1,
-				                                     (MetaBall *)obdata_cow),
-				                             DEG_OPCODE_PLACEHOLDER,
-				                             "Geometry Eval");
-			}
-			else {
-				op_node = add_operation_node(obdata,
-				                             DEG_NODE_TYPE_GEOMETRY,
-				                             NULL,
-				                             DEG_OPCODE_PLACEHOLDER,
-				                             "Geometry Eval");
-				op_node->set_as_entry();
-			}
+			op_node = add_operation_node(obdata,
+			                             DEG_NODE_TYPE_GEOMETRY,
+			                             NULL,
+			                             DEG_OPCODE_PLACEHOLDER,
+			                             "Geometry Eval");
+			op_node->set_as_entry();
 			break;
 		}