fixed bug where the game exits before text is printed

include/elements.hpp

@@ -3,33 +3,33 @@
 
 #include <memory>
 
-class Window;
-
-struct Player {
-	Player(char id) : id(id) {};
-	char id;
-};
-
-struct vec2 {
-	vec2(int x, int y) : x(x), y(y) {}
-	int x;
-	int y;
-};
-
 class Engine {
 public:
 	Engine();
+	~Engine();
 	void run();
 
 private:
-	std::unique_ptr<Window> win;
+	std::unique_ptr<class Window> win;
+
+	struct Player {
+		Player(char id) : id(id) {};
+		char id;
+	};
+
+	struct vec2 {
+		vec2(int x, int y) : x(x), y(y) {}
+		int x;
+		int y;
+	};
+
 	struct GameState {
 		Player player1;
 		Player player2;
 		Player *temp;
 		GameState() : player1('x'), player2('o'), temp { &player1 } {};
 	} state;
-	void get_current_player();
+	void set_player();
 	bool process_input();
 	bool exit_code();
 	bool check_line(char id);