removed the window files and updated process_input

include/engine.hpp

@@ -0,0 +1,49 @@
+#ifndef ELEMENTS_HPP
+#define ELEMENTS_HPP
+
+#include <memory>
+#include <array>
+#include <globals.hpp>
+
+struct Window {
+	Window();
+	std::array<std::array<char, COL>, ROW> view;
+	void clear_display();
+	void draw_display();
+};
+
+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;
+
+	struct Player {
+		Player(char id) : id(id) {};
+		char id;
+	};
+
+	const std::array<vec2, 9> map;
+
+	struct GameState {
+		Player player1;
+		Player player2;
+		Player *temp;
+		GameState() : player1('x'), player2('o'), temp { &player1 } {};
+	} state;
+	void set_player();
+	bool process_input();
+	bool exit_code();
+	bool check_line(char id);
+};
+
+#endif