fix more design

1 files changed, 3 insertions, 5 deletions

diff --git a/CreateArtistTileBehavior.h b/CreateArtistTileBehavior.h
index 6abd67f..41b3e12 100644
--- a/CreateArtistTileBehavior.h
+++ b/CreateArtistTileBehavior.h
@@ -3,17 +3,15 @@
 #include "TileBehavior.h"
 
 class CreateArtistTileBehavior : public TileBehavior {
+	friend class TileBehaviorFactory;
+	using TileBehavior::TileBehavior;
+
 public:
 	virtual void update(Tile &);
-	virtual std::unique_ptr<TileBehavior> clone(Museum &);
 
 	static constexpr const char * type = "Y";
 
 private:
-	using TileBehavior::TileBehavior;
-	static CreateArtistTileBehavior instance;
-	CreateArtistTileBehavior() = default;
-
 	unsigned int last_interactions = 0;
 };