added needed missing files

src/client/gui/screens/BuyGameScreen.h

@@ -0,0 +1,26 @@
+#ifndef NET_MINECRAFT_CLIENT_GUI_SCREENS__BuyGameScreen_H__
+#define NET_MINECRAFT_CLIENT_GUI_SCREENS__BuyGameScreen_H__
+
+#include "../Screen.h"
+#include "../components/Button.h"
+
+class BuyGameScreen: public Screen
+{
+public:
+	BuyGameScreen() {}
+	virtual ~BuyGameScreen() {}
+
+	void init();
+
+	void render(int xm, int ym, float a);
+
+	void buttonClicked(Button* button) {
+		//if (button->id == bQuit.id)
+	}
+
+private:
+	//Button bQuit;
+	//Button bBuyGame;
+};
+
+#endif /*NET_MINECRAFT_CLIENT_GUI_SCREENS__BuyGameScreen_H__*/