diff options
| -rw-r--r-- | yapf/yapf_base.hpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/yapf/yapf_base.hpp b/yapf/yapf_base.hpp index c5c50fe65..96893b39d 100644 --- a/yapf/yapf_base.hpp +++ b/yapf/yapf_base.hpp @@ -180,7 +180,14 @@ public: FORCEINLINE void AddStartupNode(Node& n) { Yapf().PfNodeCacheFetch(n); - m_nodes.InsertOpenNode(n); + // insert the new node only if it is not there + if (&m_nodes.FindOpenNode(n.m_key) == NULL) { + m_nodes.InsertOpenNode(n); + } else { + // if we are here, it means that node is already there - how it is possible? + // probably the train is in the position that both its ends point to the same tile/exit-dir + // very unlikely, but it happened + } } /** add multiple nodes - direct children of the given node */ |