fix more design

1 files changed, 2 insertions, 4 deletions

diff --git a/TileBehavior.h b/TileBehavior.h
index b79e7f5..c6e6859 100644
--- a/TileBehavior.h
+++ b/TileBehavior.h
@@ -11,14 +11,12 @@ class TileBehavior {
 public:
 	virtual void step(Artist *);
 	virtual void update(Tile &) = 0;
-	virtual std::unique_ptr<TileBehavior> clone(Museum & m) = 0;
 
 protected:
-	TileBehavior(const std::string type);
-	TileBehavior() = default;
+	TileBehavior(Museum &);
 
 protected:
 	unsigned int interactions = 0;
-	Museum * museum = nullptr;
+	Museum & museum;
 };