diff options
Diffstat (limited to 'source/blender/nodes/intern/derived_node_tree.cc')
| -rw-r--r-- | source/blender/nodes/intern/derived_node_tree.cc | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/source/blender/nodes/intern/derived_node_tree.cc b/source/blender/nodes/intern/derived_node_tree.cc index 4612a479ebc..5a380897e3f 100644 --- a/source/blender/nodes/intern/derived_node_tree.cc +++ b/source/blender/nodes/intern/derived_node_tree.cc @@ -28,9 +28,12 @@ static const NodeTreeRef &get_tree_ref(NodeTreeRefMap &node_tree_refs, bNodeTree [&]() { return std::make_unique<NodeTreeRef>(btree); }); } -DerivedNodeTree::DerivedNodeTree(bNodeTree *btree, NodeTreeRefMap &node_tree_refs) +DerivedNodeTree::DerivedNodeTree(bNodeTree *btree, NodeTreeRefMap &node_tree_refs) : btree_(btree) { + BLI_assert(btree != nullptr); + const NodeTreeRef &main_tree_ref = get_tree_ref(node_tree_refs, btree); + used_node_tree_refs_.add_new(&main_tree_ref); Vector<DNode *> all_nodes; Vector<DGroupInput *> all_group_inputs; @@ -137,6 +140,7 @@ BLI_NOINLINE void DerivedNodeTree::expand_group_node(DNode &group_node, } const NodeTreeRef &group_ref = get_tree_ref(node_tree_refs, btree); + used_node_tree_refs_.add(&group_ref); DParentNode &parent = *allocator_.construct<DParentNode>(); parent.id_ = all_parent_nodes.append_and_get_index(&parent); @@ -358,6 +362,16 @@ DerivedNodeTree::~DerivedNodeTree() } } +bool DerivedNodeTree::has_link_cycles() const +{ + for (const NodeTreeRef *tree : used_node_tree_refs_) { + if (tree->has_link_cycles()) { + return true; + } + } + return false; +} + static dot::Cluster *get_cluster_for_parent(dot::DirectedGraph &graph, Map<const DParentNode *, dot::Cluster *> &clusters, const DParentNode *parent) |