From 42b2ae5f694d554b1f4c58acd0afd26516b9ed20 Mon Sep 17 00:00:00 2001 From: Brecht Van Lommel Date: Thu, 19 Nov 2020 14:23:48 +0100 Subject: Fix lost node links when linked node group datablock is temporarily missing Don't refresh the list of sockets, so that when the .blend file is restored the links remain valid. Also display such nodes in red to indicate an error, same as when the node type info is missing. --- source/blender/nodes/intern/node_common.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'source/blender/nodes/intern') diff --git a/source/blender/nodes/intern/node_common.c b/source/blender/nodes/intern/node_common.c index 36b9098d972..0b1ab85c059 100644 --- a/source/blender/nodes/intern/node_common.c +++ b/source/blender/nodes/intern/node_common.c @@ -188,6 +188,10 @@ void node_group_update(struct bNodeTree *ntree, struct bNode *node) if (node->id == NULL) { nodeRemoveAllSockets(ntree, node); } + else if ((ID_IS_LINKED(node->id) && (node->id->tag & LIB_TAG_MISSING))) { + /* Missing datablock, leave sockets unchanged so that when it comes back + * the links remain valid. */ + } else { bNodeTree *ngroup = (bNodeTree *)node->id; group_verify_socket_list(ntree, node, &ngroup->inputs, &node->inputs, SOCK_IN); -- cgit v1.2.3