Fix T94559: Copying geometry node group does not copy animation data
Reimplement copy geometry node groups in C. The version implemented in Python could also manually copy the animation data, but it's more standard to do this with `BKE_id_copy_ex` and `LIB_ID_COPY_ACTIONS`. Differential Revision: https://developer.blender.org/D14615
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@ -83,32 +83,7 @@ class NewGeometryNodeTreeAssign(Operator):
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return {'FINISHED'}
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class CopyGeometryNodeTreeAssign(Operator):
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"""Copy the active geometry node group and assign it to the active modifier"""
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bl_idname = "node.copy_geometry_node_group_assign"
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bl_label = "Copy Geometry Node Group"
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bl_options = {'REGISTER', 'UNDO'}
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@classmethod
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def poll(cls, context):
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return geometry_modifier_poll(context)
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def execute(self, context):
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modifier = context.object.modifiers.active
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if modifier is None:
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return {'CANCELLED'}
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group = modifier.node_group
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if group is None:
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return {'CANCELLED'}
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modifier.node_group = group.copy()
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return {'FINISHED'}
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classes = (
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NewGeometryNodesModifier,
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NewGeometryNodeTreeAssign,
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CopyGeometryNodeTreeAssign,
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)
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@ -149,7 +149,7 @@ class NODE_HT_header(Header):
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active_modifier = ob.modifiers.active
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if active_modifier and active_modifier.type == 'NODES':
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if active_modifier.node_group:
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row.template_ID(active_modifier, "node_group", new="node.copy_geometry_node_group_assign")
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row.template_ID(active_modifier, "node_group", new="object.geometry_node_tree_copy_assign")
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else:
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row.template_ID(active_modifier, "node_group", new="node.new_geometry_node_group_assign")
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else:
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@ -201,6 +201,7 @@ void OBJECT_OT_skin_armature_create(struct wmOperatorType *ot);
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void OBJECT_OT_laplaciandeform_bind(struct wmOperatorType *ot);
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void OBJECT_OT_surfacedeform_bind(struct wmOperatorType *ot);
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void OBJECT_OT_geometry_nodes_input_attribute_toggle(struct wmOperatorType *ot);
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void OBJECT_OT_geometry_node_tree_copy_assign(struct wmOperatorType *ot);
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/* object_gpencil_modifiers.c */
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@ -3293,3 +3293,50 @@ void OBJECT_OT_geometry_nodes_input_attribute_toggle(wmOperatorType *ot)
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}
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/** \} */
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/* ------------------------------------------------------------------- */
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/** \name Copy and Assign Geometry Node Group operator
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* \{ */
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static int geometry_node_tree_copy_assign_exec(bContext *C, wmOperator *op)
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{
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Main *bmain = CTX_data_main(C);
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Object *ob = ED_object_active_context(C);
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ModifierData *md = BKE_object_active_modifier(ob);
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if (md->type != eModifierType_Nodes) {
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return OPERATOR_CANCELLED;
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}
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NodesModifierData *nmd = (NodesModifierData *)md;
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bNodeTree *tree = nmd->node_group;
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if (tree == NULL) {
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return OPERATOR_CANCELLED;
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}
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bNodeTree *new_tree = (bNodeTree *)BKE_id_copy_ex(
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bmain, &tree->id, NULL, LIB_ID_COPY_ACTIONS | LIB_ID_COPY_DEFAULT);
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if (new_tree == NULL) {
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return OPERATOR_CANCELLED;
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}
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nmd->node_group = new_tree;
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id_us_min(&tree->id);
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WM_event_add_notifier(C, NC_OBJECT | ND_MODIFIER, ob);
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return OPERATOR_FINISHED;
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}
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void OBJECT_OT_geometry_node_tree_copy_assign(wmOperatorType *ot)
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{
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ot->name = "Copy Geometry Node Group";
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ot->description = "Copy the active geometry node group and assign it to the active modifier";
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ot->idname = "OBJECT_OT_geometry_node_tree_copy_assign";
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ot->exec = geometry_node_tree_copy_assign_exec;
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ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
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}
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/** \} */
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@ -133,6 +133,7 @@ void ED_operatortypes_object(void)
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WM_operatortype_append(OBJECT_OT_skin_radii_equalize);
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WM_operatortype_append(OBJECT_OT_skin_armature_create);
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WM_operatortype_append(OBJECT_OT_geometry_nodes_input_attribute_toggle);
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WM_operatortype_append(OBJECT_OT_geometry_node_tree_copy_assign);
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/* grease pencil modifiers */
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WM_operatortype_append(OBJECT_OT_gpencil_modifier_add);
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