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ChessFrame.java
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ChessFrame.java
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import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintStream;
import java.util.EmptyStackException;
import java.util.Scanner;
import java.util.Stack;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.plaf.synth.SynthSeparatorUI;
public class ChessFrame extends JFrame implements MouseListener{
Stack <Piece[][]> s=new Stack <Piece[][]>();
/**
* width of one square on the board.
* Change this to have a bigger or smaller
* game frame.
*/
public static final int SQUARE_WIDTH = 45;
/**
* margins of the board on the frame
*/
public static final int BOARD_MARGIN = 50;
int round=1;
static int selectedSquareX = -1;
static int selectedSquareY = -1;
Piece pieces[][] = new Piece[8][8];
public ChessFrame()
{
initializeChessBoard();
setTitle("Chess Game");
//let the screen size fit the board size
setSize(SQUARE_WIDTH*8+BOARD_MARGIN*4, SQUARE_WIDTH*8+BOARD_MARGIN*5);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
drawLabel();
addMouseListener(this);
setLayout(null);
}
public void drawLabel(){
JLabel a1=new JLabel("a");
a1.setFont(new Font("",Font.PLAIN,35));
a1.setBounds(2*BOARD_MARGIN+(0)*SQUARE_WIDTH+2,
BOARD_MARGIN*0+(0)*SQUARE_WIDTH-3, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(a1);
JLabel b1=new JLabel("b");
b1.setFont(new Font("",Font.PLAIN,35));
b1.setBounds(2*BOARD_MARGIN+(1)*SQUARE_WIDTH+2,
BOARD_MARGIN*0+(0)*SQUARE_WIDTH-3, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(b1);
JLabel c1=new JLabel("c");
c1.setFont(new Font("",Font.PLAIN,35));
c1.setBounds(2*BOARD_MARGIN+(2)*SQUARE_WIDTH+2,
BOARD_MARGIN*0+(0)*SQUARE_WIDTH-3, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(c1);
JLabel d1=new JLabel("d");
d1.setFont(new Font("",Font.PLAIN,35));
d1.setBounds(2*BOARD_MARGIN+(3)*SQUARE_WIDTH+2,
BOARD_MARGIN*0+(0)*SQUARE_WIDTH-3, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(d1);
JLabel e1=new JLabel("e");
e1.setFont(new Font("",Font.PLAIN,35));
e1.setBounds(2*BOARD_MARGIN+(4)*SQUARE_WIDTH+2,
BOARD_MARGIN*0+(0)*SQUARE_WIDTH-3, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(e1);
JLabel f1=new JLabel("f");
f1.setFont(new Font("",Font.PLAIN,35));
f1.setBounds(2*BOARD_MARGIN+(5)*SQUARE_WIDTH+2,
BOARD_MARGIN*0+(0)*SQUARE_WIDTH-3, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(f1);
JLabel g1=new JLabel("g");
g1.setFont(new Font("",Font.PLAIN,35));
g1.setBounds(2*BOARD_MARGIN+(6)*SQUARE_WIDTH+2,
BOARD_MARGIN*0+(0)*SQUARE_WIDTH-3, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(g1);
JLabel h1=new JLabel("h");
h1.setFont(new Font("",Font.PLAIN,35));
h1.setBounds(2*BOARD_MARGIN+(7)*SQUARE_WIDTH+2,
BOARD_MARGIN*0+(0)*SQUARE_WIDTH-3, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(h1);
JLabel a2=new JLabel("a");
a2.setFont(new Font("",Font.PLAIN,35));
a2.setBounds(2*BOARD_MARGIN+(0)*SQUARE_WIDTH+2,
BOARD_MARGIN*0+(9)*SQUARE_WIDTH-7, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(a2);
JLabel b2=new JLabel("b");
b2.setFont(new Font("",Font.PLAIN,35));
b2.setBounds(2*BOARD_MARGIN+(1)*SQUARE_WIDTH+2,
BOARD_MARGIN*0+(9)*SQUARE_WIDTH-7, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(b2);
JLabel c2=new JLabel("c");
c2.setFont(new Font("",Font.PLAIN,35));
c2.setBounds(2*BOARD_MARGIN+(2)*SQUARE_WIDTH+2,
BOARD_MARGIN*0+(9)*SQUARE_WIDTH-7, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(c2);
JLabel d2=new JLabel("d");
d2.setFont(new Font("",Font.PLAIN,35));
d2.setBounds(2*BOARD_MARGIN+(3)*SQUARE_WIDTH+2,
BOARD_MARGIN*0+(9)*SQUARE_WIDTH-7, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(d2);
JLabel e2=new JLabel("e");
e2.setFont(new Font("",Font.PLAIN,35));
e2.setBounds(2*BOARD_MARGIN+(4)*SQUARE_WIDTH+2,
BOARD_MARGIN*0+(9)*SQUARE_WIDTH-7, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(e2);
JLabel f2=new JLabel("f");
f2.setFont(new Font("",Font.PLAIN,35));
f2.setBounds(2*BOARD_MARGIN+(5)*SQUARE_WIDTH+2,
BOARD_MARGIN*0+(9)*SQUARE_WIDTH-7, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(f2);
JLabel g2=new JLabel("g");
g2.setFont(new Font("",Font.PLAIN,35));
g2.setBounds(2*BOARD_MARGIN+(6)*SQUARE_WIDTH+2,
BOARD_MARGIN*0+(9)*SQUARE_WIDTH-7, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(g2);
JLabel h2=new JLabel("h");
h2.setFont(new Font("",Font.PLAIN,35));
h2.setBounds(2*BOARD_MARGIN+(7)*SQUARE_WIDTH+2,
BOARD_MARGIN*0+(9)*SQUARE_WIDTH-7, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(h2);
JLabel one1=new JLabel("1");
one1.setFont(new Font("",Font.PLAIN,30));
one1.setBounds(BOARD_MARGIN+(0)*SQUARE_WIDTH+10,
BOARD_MARGIN*0+(8)*SQUARE_WIDTH-2, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(one1);
JLabel two1=new JLabel("2");
two1.setFont(new Font("",Font.PLAIN,30));
two1.setBounds(BOARD_MARGIN+(0)*SQUARE_WIDTH+10,
BOARD_MARGIN*0+(7)*SQUARE_WIDTH-2, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(two1);
JLabel three1=new JLabel("3");
three1.setFont(new Font("",Font.PLAIN,30));
three1.setBounds(BOARD_MARGIN+(0)*SQUARE_WIDTH+10,
BOARD_MARGIN*0+(6)*SQUARE_WIDTH-2, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(three1);
JLabel four1=new JLabel("4");
four1.setFont(new Font("",Font.PLAIN,30));
four1.setBounds(BOARD_MARGIN+(0)*SQUARE_WIDTH+10,
BOARD_MARGIN*0+(5)*SQUARE_WIDTH-2, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(four1);
JLabel five1=new JLabel("5");
five1.setFont(new Font("",Font.PLAIN,30));
five1.setBounds(BOARD_MARGIN+(0)*SQUARE_WIDTH+10,
BOARD_MARGIN*0+(4)*SQUARE_WIDTH-2, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(five1);
JLabel six1=new JLabel("6");
six1.setFont(new Font("",Font.PLAIN,30));
six1.setBounds(BOARD_MARGIN+(0)*SQUARE_WIDTH+10,
BOARD_MARGIN*0+(3)*SQUARE_WIDTH-2, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(six1);
JLabel seven1=new JLabel("7");
seven1.setFont(new Font("",Font.PLAIN,30));
seven1.setBounds(BOARD_MARGIN+(0)*SQUARE_WIDTH+10,
BOARD_MARGIN*0+(2)*SQUARE_WIDTH-2, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(seven1);
JLabel eight1=new JLabel("8");
eight1.setFont(new Font("",Font.PLAIN,30));
eight1.setBounds(BOARD_MARGIN+(0)*SQUARE_WIDTH+10,
BOARD_MARGIN*0+(1)*SQUARE_WIDTH-2, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(eight1);
JLabel one2=new JLabel("1");
one2.setFont(new Font("",Font.PLAIN,30));
one2.setBounds(BOARD_MARGIN+(9)*SQUARE_WIDTH+10,
BOARD_MARGIN*0+(8)*SQUARE_WIDTH-2, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(one2);
JLabel two2=new JLabel("2");
two2.setFont(new Font("",Font.PLAIN,30));
two2.setBounds(BOARD_MARGIN+(9)*SQUARE_WIDTH+10,
BOARD_MARGIN*0+(7)*SQUARE_WIDTH-2, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(two2);
JLabel three2=new JLabel("3");
three2.setFont(new Font("",Font.PLAIN,30));
three2.setBounds(BOARD_MARGIN+(9)*SQUARE_WIDTH+10,
BOARD_MARGIN*0+(6)*SQUARE_WIDTH-2, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(three2);
JLabel four2=new JLabel("4");
four2.setFont(new Font("",Font.PLAIN,30));
four2.setBounds(BOARD_MARGIN+(9)*SQUARE_WIDTH+10,
BOARD_MARGIN*0+(5)*SQUARE_WIDTH-2, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(four2);
JLabel five2=new JLabel("5");
five2.setFont(new Font("",Font.PLAIN,30));
five2.setBounds(BOARD_MARGIN+(9)*SQUARE_WIDTH+10,
BOARD_MARGIN*0+(4)*SQUARE_WIDTH-2, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(five2);
JLabel six2=new JLabel("6");
six2.setFont(new Font("",Font.PLAIN,30));
six2.setBounds(BOARD_MARGIN+(9)*SQUARE_WIDTH+10,
BOARD_MARGIN*0+(3)*SQUARE_WIDTH-2, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(six2);
JLabel seven2=new JLabel("7");
seven2.setFont(new Font("",Font.PLAIN,30));
seven2.setBounds(BOARD_MARGIN+(9)*SQUARE_WIDTH+10,
BOARD_MARGIN*0+(2)*SQUARE_WIDTH-2, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(seven2);
JLabel eight2=new JLabel("8");
eight2.setFont(new Font("",Font.PLAIN,30));
eight2.setBounds(BOARD_MARGIN+(9)*SQUARE_WIDTH+10,
BOARD_MARGIN*0+(1)*SQUARE_WIDTH-2, SQUARE_WIDTH*4, SQUARE_WIDTH*4);
add(eight2);
JButton save=new JButton("Save");
save.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
save("game.txt");
}
});
save.setBounds(SQUARE_WIDTH+BOARD_MARGIN+80,BOARD_MARGIN-25,BOARD_MARGIN+25,BOARD_MARGIN/2);
add(save);
JButton undo=new JButton("Undo");
undo.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
undo();
}
});
undo.setBounds(SQUARE_WIDTH+BOARD_MARGIN+180,BOARD_MARGIN-25,BOARD_MARGIN+25,BOARD_MARGIN/2);
add(undo);
}
public boolean move(String from, String to){
from=from.toUpperCase();
to=to.toUpperCase();
int fromx=from.charAt(0)-'A';
int fromy=7-(from.charAt(1)-'0'-1);
selectedSquareX=fromx;
selectedSquareY=fromy;
int tox=to.charAt(0)-'A';
int toy=7-(to.charAt(1)-'0'-1);
int targetSquareX = tox;
int targetSquareY = toy;
System.out.println(selectedSquareX+" ,"+selectedSquareY+"/"+targetSquareX+","+targetSquareY);
if(selectedSquareX >= 0 && selectedSquareY >= 0 &&
selectedSquareX < 8 && selectedSquareY < 8 &&
targetSquareX >= 0 && targetSquareY >= 0 &&
targetSquareX < 8 && targetSquareY < 8)
{
//if a piece is selected
if(pieces[selectedSquareX][selectedSquareY] != null)
{
if(round%2==0 && pieces[fromx][fromy].isBlack
||round%2==1 && !pieces[fromx][fromy].isBlack ){
selectedSquareX = fromx;
selectedSquareY = fromy;
System.out.println(selectedSquareX+","+selectedSquareY);
}
//get the distance of the drag-drop
int diffX = targetSquareX - selectedSquareX;
int diffY = targetSquareY - selectedSquareY;
//if there is a piece in targeted square
if(pieces[targetSquareX][targetSquareY] != null)
{
if(pieces[selectedSquareX][selectedSquareY].canCapture(diffX, diffY)&&
pieces[selectedSquareX][selectedSquareY].isBlack!=pieces[targetSquareX][targetSquareY].isBlack&&
!pieces[selectedSquareX][selectedSquareY].isBlocked(selectedSquareX, selectedSquareY, targetSquareX, targetSquareY, pieces))
{
System.out.println("can capture");
push(pieces);
pieces[selectedSquareX][selectedSquareY].numberOfMoves++;
pieces[targetSquareX][targetSquareY] =
pieces[selectedSquareX][selectedSquareY];
pieces[selectedSquareX][selectedSquareY] = null;
if(isInCheck()){
undo();
round++;
return false;
}
round++;
repaint();
promotion();
isCheckmate();
return true;
}
}
else
{
//if targeted square is empty
//System.out.println("no target");
if(pieces[selectedSquareX][selectedSquareY].canMove(diffX, diffY)&&
!pieces[selectedSquareX][selectedSquareY].isBlocked(selectedSquareX, selectedSquareY, targetSquareX, targetSquareY, pieces))
{
//System.out.println("can move");
push(pieces);
pieces[selectedSquareX][selectedSquareY].numberOfMoves++;
pieces[targetSquareX][targetSquareY] =
pieces[selectedSquareX][selectedSquareY];
pieces[selectedSquareX][selectedSquareY] = null;
if(isInCheck()){
undo();
round++;
return false;
}
round++;
repaint();
promotion();
isCheckmate();
return true;
}
}
}
}
return false;
}
boolean promotion(){
for(int i=0;i<8;i++){
if(pieces[i][0]!=null&&pieces[i][0].getClass().getName().equals("Pawn")&&!pieces[i][0].isBlack){
pieces[i][0]=new Queen(false);
return true;
}
if(pieces[i][7]!=null&&pieces[i][7].getClass().getName().equals("Pawn")&&pieces[i][7].isBlack){
pieces[i][7]=new Queen(true);
}
}
return false;
}
public String at(String pos){
pos=pos.toUpperCase();
int posx=pos.charAt(0)-'A';
int posy=7-(pos.charAt(1)-'0'-1);
String s="";
if(pieces[posx][posy]!=null){
s=pieces[posx][posy].getColor()+"-"+pieces[posx][posy].getClass().getName();
}
return s;
}
public boolean castling(boolean isKingSide){
if(round%2==0){
if(isKingSide){
if(pieces[4][0] instanceof King && pieces[7][0] instanceof Rook&&pieces[5][0]==null&& pieces[6][0]==null){
push(pieces);
pieces[4][0]=null;
pieces[7][0]=null;
pieces[6][0]=new King(true);
pieces[5][0]=new Rook(true);
if(isInCheck()){
undo();
round++;
return false;
}
round++;
repaint();
isCheckmate();
return true;
}
}else{
if(pieces[4][0] instanceof King && pieces[0][0] instanceof Rook&&pieces[1][0]==null&& pieces[2][0]==null&&pieces[3][0]==null){
push(pieces);
pieces[4][0]=null;
pieces[0][0]=null;
pieces[2][0]=new King(true);
pieces[3][0]=new Rook(true);
if(isInCheck()){
undo();
round++;
return false;
}
round++;
repaint();
isCheckmate();
return true;
}
}
}else{
if(isKingSide){
if(pieces[4][7] instanceof King && pieces[7][7] instanceof Rook&&pieces[5][7]==null&& pieces[6][7]==null){
push(pieces);
pieces[4][7]=null;
pieces[7][7]=null;
pieces[6][7]=new King(false);
pieces[5][7]=new Rook(false);
if(isInCheck()){
undo();
round++;
return false;
}
round++;
repaint();
isCheckmate();
return true;
}
}else{
if(pieces[4][7] instanceof King && pieces[0][7] instanceof Rook&&pieces[1][7]==null&& pieces[2][7]==null&&pieces[3][7]==null){
push(pieces);
pieces[4][7]=null;
pieces[0][7]=null;
pieces[2][7]=new King(false);
pieces[3][7]=new Rook(false);
if(isInCheck()){
undo();
round++;
return false;
}
round++;
repaint();
isCheckmate();
return true;
}
}
}
return false;
}
public void undo(){
if(s.isEmpty()){
}else{
Piece[][] abc=s.pop();
for(int i=0;i<8;i++){
for(int j=0;j<8;j++){
if(abc[i][j]!=pieces[i][j]){
if(abc[i][j]!=null){
pieces[i][j]=abc[i][j];
if(pieces[i][j].getClass().getName().equals("Pawn")){
System.out.println(pieces[i][j].numberOfMoves);
}
pieces[i][j].numberOfMoves--;
if(pieces[i][j].getClass().getName().equals("Pawn")){
System.out.println(pieces[i][j].numberOfMoves);
}
}else{
pieces[i][j]=null;
}
}
}
}
round--;
}
repaint();
}
public void push(Piece[][] pieces){
Piece[][] temp=new Piece[8][8];
for(int i=0;i<8;i++){
for(int j=0;j<8;j++){
if(pieces[i][j]!=null){
temp[i][j]=pieces[i][j];
}
}
}
s.push(temp);
}
public void save(String fileName) {
PrintStream in;
try {
in = new PrintStream(new File(fileName));
System.out.println(1);
in.println(round%2==0?"Black":"White");
for(int i=0;i<8;i++){
for(int j=0;j<8;j++){
if(pieces[i][j]!=null){
char f=(char)(i+'A');
char s=(char)(8-j+'0');
String pos=""+f+s;
in.println(pieces[i][j].getColor()+"-"+pieces[i][j].getClass().getName()+"-"+pos);
}
}
}
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
System.out.println(2);
}
public boolean isInCheck(){
for(int i=0;i<8;i++){
for(int j=0;j<8;j++){
for(int k=0;k<8;k++){
for(int l=0;l<8;l++){
if(pieces[i][j]!=null&&((round%2==0&&!pieces[i][j].isBlack)||(round%2==1&&pieces[i][j].isBlack))){
if(pieces[k][l]!=null&&pieces[k][l].getClass().getName().equals("King")){
int diffX = k - i;
int diffY = l - j;
if(pieces[i][j].canCapture(diffX, diffY)&&
pieces[i][j].isBlack!=pieces[k][l].isBlack&&
!pieces[i][j].isBlocked(i, j, k, l, pieces)){
System.out.println("ÞAH!!!!");
System.out.println("i:"+i+", j:"+j+", k:"+k+", l:"+l);
return true;
}
}
}
}
}
}
}
return false;
}
public boolean isCheckmate(){
if(isInCheck()){
for(int i=0;i<8;i++){
for(int j=0;j<8;j++){
for(int k=0;k<8;k++){
for(int l=0;l<8;l++){
if(pieces[i][j]!=null&&((round%2==0&&pieces[i][j].isBlack)||(round%2==1&&!pieces[i][j].isBlack))){
if(pieces[k][l]!=null){
if(pieces[i][j].isBlack!=pieces[k][l].isBlack&&
pieces[i][j].canCapture(k-i, l-j)&&
!pieces[i][j].isBlocked(i, j, k, l, pieces)){
Piece p=pieces[k][l];
pieces[k][l]=pieces[i][j];
pieces[i][j]=null;
if(!isInCheck()){
pieces[i][j]=pieces[k][l];
pieces[k][l]=p;
return false;
}else{
System.out.println("HAHA!");
pieces[i][j]=pieces[k][l];
pieces[k][l]=p;
}
}
}else if(pieces[i][j].canMove(k-i, l-j)&&
!pieces[i][j].isBlocked(i, j, k, l, pieces)){
pieces[k][l]=pieces[i][j];
pieces[i][j]=null;
if(!isInCheck()){
pieces[i][j]=pieces[k][l];
pieces[k][l]=null;
return false;
}else{
pieces[i][j]=pieces[k][l];
pieces[k][l]=null;
}
}
}
}
}
}
}
}else{
return false;
}
System.out.println("MAT!!!!");
String message="";
if(round%2==0){
message="White WON!";
}else{
message="Black WON!";
}
System.out.println("GAME OVER!!!");
JOptionPane.showMessageDialog(null, message,"CHECKMATE",-1);
return true;
}
public void initializeChessBoard()
{
for(int i = 0; i<8; i++)
{
for(int j = 0; j<8; j++)
{
if(j == 1)
{
pieces[i][j] = new Pawn(true);
}
else if(j == 6)
{
pieces[i][j] = new Pawn(false);
}
else
{
pieces[i][j] = null;
}
}
}
pieces[0][0]=new Rook(true);
pieces[0][7]=new Rook(false);
pieces[7][0]=new Rook(true);
pieces[7][7]=new Rook(false);
pieces[2][0]=new Bishop(true);
pieces[2][7]=new Bishop(false);
pieces[5][0]=new Bishop(true);
pieces[5][7]=new Bishop(false);
pieces[1][0]=new Knight(true);
pieces[1][7]=new Knight(false);
pieces[6][0]=new Knight(true);
pieces[6][7]=new Knight(false);
pieces[3][0]=new Queen(true);
pieces[3][7]=new Queen(false);
pieces[4][0]=new King(true);
pieces[4][7]=new King(false);
}
public static ChessFrame load(String fileName){
ChessFrame frame=new ChessFrame();
for(int i=0;i<8;i++){
for(int j=0;j<8;j++){
frame.pieces[i][j]=null;
}
}
Scanner input;
try {
input = new Scanner(new File(fileName));
if(input.hasNext()){
String s=input.nextLine();
if(s.equals("Black")){
frame.round=2;
}else{
frame.round=1;
}
}
while(input.hasNextLine()){
boolean b=false;
Piece p = null;
String s=input.nextLine();
String color=s.substring(0,5);
String type=s.substring(6,s.lastIndexOf('-'));
String pos=s.substring(s.lastIndexOf('-')+1);
pos=pos.toUpperCase();
int posx=pos.charAt(0)-'A';
int posy=7-(pos.charAt(1)-'0'-1);
if(color.equals("Black")){
b=true;
}else{
b=false;
}
if(type.equals("Pawn")){
p=new Pawn(b);
if((b==true&&posy==1) ||(b==false&&posy==6) ){
p.numberOfMoves=0;
}else{
p.numberOfMoves=1;
}
}else if(type.equals("Rook")){
p=new Rook(b);
}else if(type.equals("Knight")){
p=new Knight(b);
}else if(type.equals("Bishop")){
p=new Bishop(b);
}else if(type.equals("Queen")){
p=new Queen(b);
}else if(type.equals("King")){
p=new King(b);
}
if(p!=null)
frame.pieces[posx][posy]=p;
}
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return frame;
}
@Override
public void paint(Graphics g) {
// TODO Auto-generated method stub
super.paint(g);
//print the board 's lines to show squares
g.setColor(Color.BLACK);
g.drawLine(2*BOARD_MARGIN-1, BOARD_MARGIN*3, 2*BOARD_MARGIN-1, 3*BOARD_MARGIN+(8)*SQUARE_WIDTH);
g.drawLine(2*BOARD_MARGIN, 3*BOARD_MARGIN-1, 2*BOARD_MARGIN+(8)*SQUARE_WIDTH, 3*BOARD_MARGIN-1);
g.drawLine(2*BOARD_MARGIN+(8)*SQUARE_WIDTH+1, BOARD_MARGIN*3,2*BOARD_MARGIN+(8)*SQUARE_WIDTH+1, 3*BOARD_MARGIN+(8)*SQUARE_WIDTH);
g.drawLine(2*BOARD_MARGIN, 3*BOARD_MARGIN+(8)*SQUARE_WIDTH+1,2*BOARD_MARGIN+(8)*SQUARE_WIDTH, 3*BOARD_MARGIN+(8)*SQUARE_WIDTH+1);
for(int i = 0; i<8; i++)
{
for(int j=0;j<8;j++){
if((i+j)%2==0){
g.setColor(Color.ORANGE);
}else{
g.setColor(Color.GREEN);
}
g.fillRect(2*BOARD_MARGIN+(i)*SQUARE_WIDTH,
BOARD_MARGIN*3+(j)*SQUARE_WIDTH,
SQUARE_WIDTH,
SQUARE_WIDTH);
}
}
//print the pieces
for(int i = 0; i<8; i++)
{
for(int j = 0; j<8; j++)
{
if(pieces[i][j] != null)
{
pieces[i][j].drawYourself(g, i*SQUARE_WIDTH+2*BOARD_MARGIN,
j*SQUARE_WIDTH+BOARD_MARGIN*3, SQUARE_WIDTH);
}
}
}
}
@Override
public void mouseClicked(MouseEvent e) {
// TODO Auto-generated method stub
//System.out.println("Clicked");
}
@Override
public void mousePressed(MouseEvent e) {
// TODO Auto-generated method stub
//System.out.println("Pressed");
//calculate which square is selected
if(pieces[(e.getX()-2*BOARD_MARGIN)/SQUARE_WIDTH][(e.getY()-BOARD_MARGIN*3)/SQUARE_WIDTH]!=null){
if(round%2==0 && pieces[(e.getX()-2*BOARD_MARGIN)/SQUARE_WIDTH][(e.getY()-BOARD_MARGIN*3)/SQUARE_WIDTH].isBlack
||round%2==1 && !pieces[(e.getX()-2*BOARD_MARGIN)/SQUARE_WIDTH][(e.getY()-BOARD_MARGIN*3)/SQUARE_WIDTH].isBlack )
{
selectedSquareX = (e.getX()-2*BOARD_MARGIN)/SQUARE_WIDTH;
selectedSquareY = (e.getY()-BOARD_MARGIN*3)/SQUARE_WIDTH;
System.out.println(selectedSquareX+","+selectedSquareY);
}
}
//System.out.println(selectedSquareX+","+selectedSquareY);
}
@Override
public void mouseReleased(MouseEvent e) {
// TODO Auto-generated method stub
//System.out.println("Released");
//calculate which square is targeted
int targetSquareX = (e.getX()-2*BOARD_MARGIN)/SQUARE_WIDTH;
int targetSquareY = (e.getY()-BOARD_MARGIN*3)/SQUARE_WIDTH;
//System.out.println(targetSquareX+","+targetSquareY+"\n");
char f2=(char)(targetSquareX+'A');
char s2=(char)(8-targetSquareY+'0');
String pos2=""+f2+s2;
char x1=(char)(selectedSquareX+'A');
char y1=(char)(8-selectedSquareY+'0');
String pos1=""+x1+y1;
System.out.println("pos1:"+pos1);
System.out.println("pos2:"+pos2);
if(pos1.equalsIgnoreCase("e8")&&pos2.equalsIgnoreCase("a8")&&round%2==0){
castling(false);
}else if(pos1.equalsIgnoreCase("e8")&&pos2.equalsIgnoreCase("h8")&&round%2==0){
castling(true);
}else if(pos1.equalsIgnoreCase("e1")&&pos2.equalsIgnoreCase("a1")&&round%2==1){
castling(false);
}else if(pos1.equalsIgnoreCase("e1")&&pos2.equalsIgnoreCase("h1")&&round%2==1){
castling(true);
}else{
move(pos1,pos2);
}
}
@Override
public void mouseEntered(MouseEvent e) {
// TODO Auto-generated method stub
//System.out.println("Entered");
}
@Override
public void mouseExited(MouseEvent e) {
// TODO Auto-generated method stub
//System.out.println("Exited");
}
}