Fixed major issues, still not launching due to vectors

include/display.h

@@ -11,11 +11,12 @@ public:
     sf::Vector2f gameBoundaries;
     DisplayInterface(void);
     bool IsOpen(void);
-protected:
-    bool isWindowAlive;
+    virtual void CheckContinue(void) = 0;
     virtual void DisplayGameState(std::vector< std::vector<char> >* gameBoard) = 0;
     virtual void DisplayEndScreen(void) = 0;
     virtual void StartGameWindow(void) = 0;
+protected:
+    bool isWindowAlive;
 private:
     ;
 };
@@ -24,6 +25,7 @@ class CommandLine : public DisplayInterface
 {
 public:
     CommandLine(void);
+    void CheckContinue(void);
     void DisplayGameState(std::vector< std::vector<char> >* gameBoard);
     void DisplayEndScreen(void);
     void StartGameWindow(void);
@@ -37,6 +39,7 @@ class SFML : public DisplayInterface
 {
 public:
     SFML(void);
+    void CheckContinue(void);
     void DisplayGameState(std::vector< std::vector<char> >* gameBoard);
     void DisplayEndScreen(void);
     void StartGameWindow(void);

include/gamestate.h

@@ -23,14 +23,15 @@ private:
     Snake player;
     SnakeFood playerFood;
     bool useSFML = 1;
+    bool isGameOver = 0;
     void ApplySettings(void);
     void DisplayEndScreen(void);
     void GetKeyboardInput(void);
-    bool PlayerWantsToContinue(void);
+    void PlaceNewSnakePart(sf::Vector2f location);
+    void PlayerWantsToContinue(void);
     void RegenerateFood(void);
     void ResetGameBoard(void);
     void RunGameLoop(void);
-    void RenderWindow(void);
 };
 
 #endif