1 files changed, 3 insertions, 1 deletions
diff --git a/world.h b/world.h
index e964e8d..caaa4f0 100644
--- a/world.h
+++ b/world.h
@@ -6,6 +6,7 @@
 #include <vector>
 #include <cstdint>
 #include "params.h"
+#include "screenbuffer.h"
 
 using namespace std;
 
@@ -100,7 +101,8 @@ public:
 	void tick();
 	Robot* targetbot(const Robot *r);
 
-	void print() const;
+	void print(ostream &os) const;
+	void print(ScreenBuffer &sb) const;
 };