diff options
| -rw-r--r-- | source/blender/blenloader/intern/writefile.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/source/blender/blenloader/intern/writefile.c b/source/blender/blenloader/intern/writefile.c index 3b7ce3bdc1b..fb6bd637a3b 100644 --- a/source/blender/blenloader/intern/writefile.c +++ b/source/blender/blenloader/intern/writefile.c @@ -3272,6 +3272,14 @@ static void write_probe(WriteData *wd, LightProbe *prb, const void *id_address) static void write_nodetree(WriteData *wd, bNodeTree *ntree, const void *id_address) { if (ntree->id.us > 0 || wd->use_memfile) { + /* Clean up, important in undo case to reduce false detection of changed datablocks. */ + ntree->init = 0; /* to set callbacks and force setting types */ + ntree->is_updating = false; + ntree->typeinfo = NULL; + ntree->interface_type = NULL; + ntree->progress = NULL; + ntree->execdata = NULL; + writestruct_at_address(wd, ID_NT, bNodeTree, 1, id_address, ntree); /* Note that trees directly used by other IDs (materials etc.) are not 'real' ID, they cannot * be linked, etc., so we write actual id data here only, for 'real' ID trees. */ |