change

mainOthello.cpp

@@ -5,19 +5,23 @@ using namespace std;
 
 int main() {
     int seed = 0; 
-    bool winner = false;
     int turn = 1;
     int difficulty = 0;
+    int x,y;
+    bool winner = false;
     
     // Seeding random number genrator 
     cout << "Please enter a random seed: ";
     cin >> seed;
-    srand(seed); 
+    srand(seed);
+    cout << endl;
     
-    // ask for difficulty level
+    // Header
     cout << "Welcome to Othello!" << endl;
     cout << "the game of Reversi" << endl;
     cout << endl;
+    
+    // ask for difficulty level
     cout << "What difficulty would you like to play against:" << endl;
     cout << "1) Easy" << endl;
     cout << "2) Medium" << endl;
@@ -26,31 +30,47 @@ int main() {
     cout << "Enter your choice: ";
     cin >> difficulty;
     
-    
-    
+    // Error checking for difficulty
+    while(cin.fail()){
+          
+        cin.clear();
+        cin.ignore(100, '\n');
+        cout << "Invalid selection."<<endl;
+        cout << "What difficulty would you like to play against:" << endl;
+        cout << "1) Easy" << endl;
+        cout << "2) Medium" << endl;
+        cout << "3) Hard" << endl;
+        cout << "4) 2 Player" << endl;
+        cout << "Enter your choice: ";
+        cin >> difficulty;
+        
+    }
     
     
     // start the game
     displayBoard board;
     board.start();
-    
-    
+    board.printBoard();
+    cout << "X goes first."<<endl;
     do {
-        board.printBoard();
+        // Ask for players move
         cout << "Enter the (X,Y) coordinates of where you would like to place a chip: " ;
-        int x,y;
-        
         cin >> x >> y;
         
+        // Player one's move
         if (turn == 1) {
+            // Check fo valid move
             if(board.isValidAdjacent(x-1,y-1,'O') && board.isValidFlip(x-1, y-1, 'X')){
+                // Player moves
                 board.playerMove1(x,y);
+                // Check for flips in every direction
                 board.verticalCheck(x, 'X');
                 board.horizontalCheck(y, 'X');
                 board.uprightCheck(x,y,'X');
                 board.upleftCheck(x,y,'X');
                 board.downrightCheck(x,y,'X');
                 board.downleftCheck(x,y,'X');
+                // Change to player 2
                 turn++;
                 
             }else{
@@ -58,22 +78,29 @@ int main() {
                 
             }
             
+            // Player two's Move
         } else if (turn == 2) {
+            // Check fo valid move
             if(board.isValidAdjacent(x-1, y-1, 'X') && board.isValidFlip(x-1, y-1, 'O')){
+                // Player moves
                 board.playerMove2(x,y);
+                // Check for flips in every direction
                 board.verticalCheck(x, 'O');
                 board.horizontalCheck(y, 'O');
                 board.uprightCheck(x,y,'O');
                 board.upleftCheck(x,y,'O');
                 board.downrightCheck(x,y,'O');
                 board.downleftCheck(x,y,'O');
+                // Change to player 1
                 turn--;
                 
             }else{
+                // Prints invalid and then asks for another move
                 cout << "Invalid Move!"<<endl;
                 
             }
         }
+        board.printBoard();
         
     } while (winner == false);