gistfile1.txt

import java.util.*;
/**
 * Write a description of class Board here.
 * 
 * @author BUNZ 
 * @version 1.BUNZ
 */
public class Board {
    char [ ] [ ] gameBoard;
   
    public Board( ) {
        gameBoard = new char[3][3];

        for (int row = 0; row < 3; row++) {
            for (int col = 0; col < 3; col++) {
                gameBoard[row][col] = ' ';
            }
        }
    }
   
    public boolean checkForWin (char marker, char[ ][ ] board) {
        boolean isAWinner = false;
        int consecutive;
        int col;
        int row;
       
        consecutive = 0;
        for (row = 0; row < 3 && consecutive != 3; row++) {
            consecutive = 0;

            for (col = 0; col < 3; col ++) {
                if (board[row][col] == marker) {
                    consecutive++;
                }
            }

        }

        if (consecutive == 3) {
            isAWinner = true;
        }

        if (!isAWinner) {

            if (board[1][1] == marker) {
                System.out.println("CENTER MARKER DETECTED");
                consecutive = 0;

                for (row = 0; row < 3; row += 2) {
                    if (board[row][0] == marker) {
                        consecutive++;
                        System.out.println("CORNER MARKER DETECTED");
                        if (row == 0 && board[2][2] == marker) {
                            consecutive = 3;
                            break;
                        } else if (row == 2 && board[0][2] == marker) {
                            consecutive = 3;
                            break;
                        }
                    }
                }

            } else {

                for (col = 0; col < 3 && consecutive != 3; col++) {
                    consecutive = 0;

                    for (row = 0; row < 3; row ++) {
                        if (board[row][col] == marker) {
                            consecutive++;
                        }
                    }
                }
            }
            
            if (consecutive == 3) {
                isAWinner = true;
            }

        }

        return isAWinner;
    } 
    
    public boolean checkForWin (char marker) {
        boolean isAWinner = false;
        int consecutive;
        int row;
        int col;
       
        consecutive = 0;
        for (row = 0; row < 3 && consecutive != 3; row++) {
            consecutive = 0;

            for (col = 0; col < 3; col++) {

                if (gameBoard[row][col] == marker) {
                    consecutive++;
                }

            }
        }

        if (consecutive == 3) {
            isAWinner = true;
        }

        if (!isAWinner) {


            if (gameBoard[1][1] == marker) {
                for (row = 0; row < 3; row += 2) {
                    if (gameBoard[row][0] == marker) {
                        if (row == 0 && gameBoard[2][2] == marker) {
                            isAWinner = true;
                            break;
                        } else if (row == 2 && gameBoard[0][2] == marker) {
                            isAWinner = true;
                            break;
                        }
                    }
                }

                if (!isAWinner) {
                    for (col = 0; col < 3 && consecutive != 3; col++) {
                        consecutive = 0;

                        for (row = 0; row < 3; row ++) {
                            if (gameBoard[row][col] == marker) {
                                consecutive++;
                            }
                        }

                    }

                    if (consecutive == 3) {
                        isAWinner = true;
                    }
                }
            }

        }

        return isAWinner;
    } 
    
    public void computerMove(char marker) {

        boolean canComputerWin = false;
        char[ ][ ] copyBoard;
        int row;
        int col;
        int tryRow;
        int tryCol;
        row = 0;
        col = 0;

        for (row = 0; row < 3 && !canComputerWin; row++) {
            for(col = 0; col < 3 && !canComputerWin; col++) {

                if (gameBoard[row][col] == ' ') {
                    copyBoard = copyTheBoard( );
                    copyBoard[row][col] = marker;
                    canComputerWin = checkForWin(marker, copyBoard);
                }
            }
        }
        
        if (canComputerWin) {
            gameBoard[row-1][col-1] = marker;
        } else {
            for (col = 0; col < 3 && !canComputerWin; col++) {
         
                for (row = 0; row < 3 && !canComputerWin; row++) {

                    if (gameBoard[row][col] == ' ') {
                        System.out.println("Checking " + row + "x" + col);
                        copyBoard = copyTheBoard( );
                        copyBoard[row][col] = marker;
                        canComputerWin = checkForWin(marker, copyBoard);
                    }

                }
            }
       
            if (canComputerWin) {
                gameBoard[row-1][col-1] = marker;
            } else {
                boolean placed  = false;
                Random rand     = new Random();
                
                do {
                    tryRow = rand.nextInt(3);
                    tryCol = rand.nextInt(3);
                    System.out.println("Not placed, Trying " + tryRow + "x" + tryCol);

                    if (gameBoard[tryRow][tryCol] == ' ') {

                        gameBoard[tryRow][tryCol] = marker;
                        placed = true;
                        System.out.println("Placed");
                    }

                } while(!placed);
            }
          
        }
      
    }

    public boolean humanMoveOK(int row, int col) {
        return row <= 3 && col <= 3 && gameBoard[row-1][col-1] == ' ';
    }
    
    public void makeMove(int row, int col, char marker) {
        gameBoard[row-1][col-1] = marker;
    }
            
     private char[ ][ ] copyTheBoard( ) {
        char [ ][ ] temp = new char[3][3];

        for (int row = 0; row < 3; row++) {
          for (int col = 0; col < 3; col++) {
              temp[row][col] = gameBoard[row][col];
          }
        }

        return temp;
    }
     
    public boolean humanMove(int row, int col, char marker) {
        boolean placed;

        if (gameBoard[row-1][col-1] == ' ') {
            gameBoard[row-1][col-1] = marker;
            placed = true;

        } else {
            placed = false;
        }

        return placed;
    }     
     
    public String toString( ) {
        String result = "";
        int row;
        int col;
        result += "    1  2   3\n";

        for(row = 0; row < 3; row++) {
            result += "\n" + (row+1);

            for (col = 0; col < 3; col++) {
                result += "  " + gameBoard[row][col] + " ";
            }
          

        }
        return result;
    }     
}