Issues to fix: sfml window and bounds checking

include/display.h

@@ -17,6 +17,7 @@ public:
     virtual void StartGameWindow(void) = 0;
 protected:
     bool isWindowAlive;
+    sf::Time delay = sf::milliseconds(75);
 private:
     ;
 };
@@ -32,7 +33,7 @@ public:
 protected:
     ;
 private:
-    ;
+    void Clear(void);
 };
 
 class SFML : public DisplayInterface
@@ -51,7 +52,6 @@ private:
     void DrawEmpty(sf::Vector2f location);
     void DrawFood(sf::Vector2f location);
     void DrawSnake(sf::Vector2f location);
-    sf::Time delay;
     sf::RenderWindow gameWindow;
     sf::VideoMode gameVideoSettings;
     sf::RectangleShape drawObject;

include/snakefood.h

@@ -9,7 +9,8 @@ class SnakeFood
 {
 public:
     SnakeFood();
-    sf::Vector2f GenerateNewFood(sf::Vector2f boundaries);
+    void GenerateNewFood(sf::Vector2f boundaries);
+    sf::Vector2f GetFoodLocation(void);
 protected:
     ;
 private:

src/display.cpp

@@ -33,15 +33,16 @@ void CommandLine::DisplayEndScreen(void)
     return;
 }
 
-// TODO: Use cout for printing game to screen
 void CommandLine::DisplayGameState(std::vector< std::vector<char> >* gameBoard)
 {
+    Clear();
     for (int i = 0; i < gameBoundaries.y; i++)
     {
         for (int j = 0; j < gameBoundaries.x; j++)
             std::cout << gameBoard->at(i).at(j);
         std::cout << std::endl;
     }
+    sf::sleep(delay);
 }
 
 void CommandLine::StartGameWindow(void)
@@ -50,9 +51,21 @@ void CommandLine::StartGameWindow(void)
     return;
 }
 
+void CommandLine::Clear(void)
+{
+#if defined _WIN32
+    system("cls");
+    //clrscr(); // including header file : conio.h
+#elif defined (__LINUX__) || defined(__gnu_linux__) || defined(__linux__)
+    system("clear");
+    //std::cout<< u8"\033[2J\033[1;1H"; //Using ANSI Escape Sequences 
+#elif defined (__APPLE__)
+    system("clear");
+#endif
+}
+
 SFML::SFML(void)
 {
-    delay = sf::milliseconds(75);
     gameVideoSettings = sf::VideoMode(1025, 725);
     drawObject.setSize(sf::Vector2f(kGridSize, kGridSize));
     return;
@@ -115,6 +128,7 @@ void SFML::DisplayGameState(std::vector< std::vector<char> >* gameBoard)
         }
     }
     gameWindow.display();
+    sf::sleep(delay);
     return;
 }
 

src/gamestate.cpp

@@ -79,12 +79,17 @@ void GameState::PlayerWantsToContinue(void)
 // Generates new food until not colliding with player
 void GameState::RegenerateFood(void)
 {
-    sf::Vector2f newLocation;
-    playerFood.GenerateNewFood(GetGameBoundaries());
+    sf::Vector2f newLocation = playerFood.GetFoodLocation();
+    bool isUpdated = false;
     // Keep making new food until generating a valid spot
     while (gameBoard.at(newLocation.y).at(newLocation.x) == 'o')
+    {
+        isUpdated = true;
         playerFood.GenerateNewFood(GetGameBoundaries());
-    gameBoard.at(newLocation.y).at(newLocation.x) = 'x';
+        newLocation = playerFood.GetFoodLocation();
+    }
+    if (isUpdated)
+        gameBoard.at(newLocation.y).at(newLocation.x) = 'x';
     return;
 }
 
@@ -95,6 +100,10 @@ void GameState::ResetGameBoard(void)
     std::vector<char> tempBoard;
     tempBoard.resize(boardDimensions.x, ' ');
     gameBoard.resize(boardDimensions.y, tempBoard);
+    playerFood.GenerateNewFood(boardDimensions);
+    sf::Vector2f foodStartLocation = playerFood.GetFoodLocation();
+    gameBoard.at(foodStartLocation.y).at(foodStartLocation.x) = 'x';
+
     return;
 }
 

src/snake.cpp

@@ -47,6 +47,7 @@ sf::Vector2f Snake::CalculateNewHead(void)
         position.y += 1;
     if (snakeDirection == kRight)
         position.x += 1;
+    return position;
 }
 
 void Snake::CreateNewHead(sf::Vector2f headLocation)

src/snakefood.cpp

@@ -8,10 +8,14 @@ SnakeFood::SnakeFood()
 }
 
 // Returns a new food object for the snakeFood
-sf::Vector2f SnakeFood::GenerateNewFood(sf::Vector2f boundaries)
+void SnakeFood::GenerateNewFood(sf::Vector2f boundaries)
 {
     location.x = GenerateRandomNumber(boundaries.x);
     location.y = GenerateRandomNumber(boundaries.y);
+}
+
+sf::Vector2f SnakeFood::GetFoodLocation(void)
+{
     return location;
 }