diff options
Diffstat (limited to 'source/blender/editors/space_node/node_relationships.c')
-rw-r--r-- | source/blender/editors/space_node/node_relationships.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/source/blender/editors/space_node/node_relationships.c b/source/blender/editors/space_node/node_relationships.c index 963349f876b..9293494a16a 100644 --- a/source/blender/editors/space_node/node_relationships.c +++ b/source/blender/editors/space_node/node_relationships.c @@ -890,10 +890,24 @@ static void node_link_find_socket(bContext *C, wmOperator *op, float cursor[2]) continue; } + /* Skip if tsock is already linked with this output. */ + bNodeLink *existing_link_connected_to_fromsock = NULL; + LISTBASE_FOREACH (bNodeLink *, existing_link, &snode->edittree->links) { + if (existing_link->fromsock == link->fromsock && existing_link->tosock == tsock) { + existing_link_connected_to_fromsock = existing_link; + break; + } + } + /* attach links to the socket */ link->tonode = tnode; link->tosock = tsock; snode->runtime->last_node_hovered_while_dragging_a_link = tnode; + if (existing_link_connected_to_fromsock) { + link->multi_input_socket_index = + existing_link_connected_to_fromsock->multi_input_socket_index; + continue; + } sort_multi_input_socket_links(snode, tnode, link, cursor); } } |