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ConnectFourAgainGUI.java
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ConnectFourAgainGUI.java
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package test;
public class ConnectFourAgainGUI {
static int turn;
static int[][] board = new int[6][7];
static int whichRow(int j) {
for (int i=5; i>=0; i--) {
if (board[i][j]==0) {
if (turn%2==0) {
board[i][j]=1;
} else {
board[i][j]=2;
}
return i;
}
}
return -1;
}
static int testDiagonal1(int i, int j, int n){//The following code is a series of recursions that make up the win-checking engine
if (n == 3) {
return 1;
}
if (board[i][j]!=0 && n<3){
if ((i+1)<6 && (j+1)<7 && board[i+1][j+1] == board[i][j]){
return testDiagonal1(i+1, j+1, n+1);
} else {
return 0;
}
} else {
return 0;
}
}
static int testDiagonal2(int i, int j, int n){
if (n == 3) {
return 1;
}
if (board[i][j]!=0 && n<3){
if ((i+1)<6 && (j-1)>=0 && board[i+1][j-1] == board[i][j]){
return testDiagonal2(i+1, j-1, n+1);
} else {
return 0;
}
} else {
return 0;
}
}
static int testRow(int i, int j, int n){
if (n == 3) {
return 1;
}
if (board[i][j]!=0 && n<3){
if ((j+1)<7 && board[i][j+1] == board[i][j]){
return testRow(i, j+1, n+1);
} else {
return 0;
}
} else {
return 0;
}
}
static int testColumn(int i, int j, int n){
if (n == 3) {
return 1;
}
if (board[i][j]!=0 && n<3){
if ((i+1)<6 && board[i+1][j] == board[i][j]){
return testColumn(i+1, j, n+1);
} else {
return 0;
}
} else {
return 0;
}
}
static boolean gameEnd() {
for (int i=0; i<6; i++) {
for (int j=0; j<7; j++) {
if (testRow(i, j, 0)==1||testColumn(i, j, 0)==1||testDiagonal1(i, j, 0)==1||testDiagonal2(i, j, 0)==1) {
return true;
}
}
}
return false;
}
public static void nextTurn(){
turn++;
}
public static void main(String[] args) {
GUI gui = new GUI();
javax.swing.SwingUtilities.invokeLater(new Runnable() {
public void run() {
gui.createAndShowGUI();
}
});
}
}