add placeholder tile behaviors

1 files changed, 15 insertions, 0 deletions

diff --git a/NullTileBehavior.h b/NullTileBehavior.h
new file mode 100644
index 0000000..6b68a4a
--- /dev/null
+++ b/NullTileBehavior.h
@@ -0,0 +1,15 @@
+#pragma once
+
+#include "TileBehaviorStrategy.h"
+
+class NullTileBehavior : public TileBehaviorStrategy {
+public:
+	virtual void run(Tile &);
+	virtual std::unique_ptr<TileBehaviorStrategy> clone();
+
+private:
+	using TileBehaviorStrategy::TileBehaviorStrategy;
+	static NullTileBehavior instance;
+	NullTileBehavior() = default;
+};
+