make paintings 1 directional and add "arrows" the "arrows" are circles because I couldn't figure out how to use the DrawPolygon function...

1 files changed, 12 insertions, 4 deletions

@@ -7,21 +7,29 @@
 #include <utility>
 #include <vector>
 
+struct NetworkNode {
+  int entry;
+  int exit;
+  bool two_way;
+
+  bool operator<(const NetworkNode& rhs) const;
+};
+
 class NetworkSet {
  public:
   void Clear();
 
-  void AddLink(int id1, int id2);
+  void AddLink(int id1, int id2, bool two_way);
 
-  void AddLinkToNetwork(int network_id, int id1, int id2);
+  void AddLinkToNetwork(int network_id, int id1, int id2, bool two_way);
 
   bool IsItemInNetwork(int id) const;
 
-  const std::set<std::pair<int, int>>& GetNetworkGraph(int id) const;
+  const std::set<NetworkNode>& GetNetworkGraph(int id) const;
 
  private:
 
-  std::map<int, std::set<std::pair<int, int>>> network_by_item_;
+  std::map<int, std::set<NetworkNode>> network_by_item_;
 };
 
 #endif /* end of include guard: NETWORK_SET_H_3036B8E3 */