/**
* The View(Board board, JTextArea textBox) constructor takes a board and textBox as parameters
* and sets these to the corresponding fields in the View object. String text is initially set to
* "". Then, actionlisteners are added to the View.
*
* @param board
* @param textBox
*/
public View(Board board, JTextArea textBox, Game game) {
this.board = board;
this.game = game;
this.textBox = textBox;
text = "";
/*
* This MouseListener governs what happens in the event that a mouse is pressed.
* The mouseListener cycles through all the squares on the board, and for all the
* squares that have pieces, it checks if the place where the person clicked
* is within the piece. If it is, then that piece is set to selected.
*/
/*
* The mousepressed listener for Player vs. Player mode
*/
if (game.getMode() == 0) {
addMouseListener(
new MouseAdapter() {
public void mousePressed(MouseEvent event) {
mousePoint =
event
.getPoint(); // sets mousepoint to the current point for when the mouse is
// dragged
// this for loop cycles through all squares on the board
if (!View.this.game.getVictory()) {
for (int i = 0; i < 8; i++) {
for (int j = 0; j < 8; j++) {
if (View.this.board.hasPiece(i, j)) { // checks if board square has a piece
if (View.this
.board
.getSquare(i, j)
.contains(
event
.getPoint())) { // checks if piece contains the place mouse was
// clicked
if (View.this.board.getSquare(i, j).getColor()
== View.this.game.getTurn()) { // check if it is the right turn
View.this.board.getSquare(i, j).setSelected(true); // set selected to true
View.this.text +=
View.this.board.getSquare(i, j).getType()
+ " selected! \n"; // add to console
View.this.textBox.setText(View.this.text);
}
}
}
}
}
}
}
});
}
/*
* The mousepressed listener for modes Captain Random and Minimax
*/
if (game.getMode() != 0) {
addMouseListener(
new MouseAdapter() {
public void mousePressed(MouseEvent event) {
mousePoint =
event
.getPoint(); // sets mousepoint to the current point for when the mouse is
// dragged
// this for loop cycles through all squares on the board
if (!View.this.game.getVictory()) {
for (int i = 0; i < 8; i++) {
for (int j = 0; j < 8; j++) {
if (View.this.board.hasPiece(i, j)) { // checks if board square has a piece
if (View.this
.board
.getSquare(i, j)
.contains(
event
.getPoint())) { // checks if piece contains the place mouse was
// clicked
if (View.this.game.getTurn() == false
&& View.this.board.getSquare(i, j).getColor()
== false) { // check if it is the right turn
View.this.board.getSquare(i, j).setSelected(true); // set selected to true
View.this.text +=
View.this.board.getSquare(i, j).getType()
+ " selected! \n"; // add to console
View.this.textBox.setText(View.this.text);
}
}
}
}
}
}
}
});
}
/*
* this actionListener governs what happens when the mouse is dragged
*/
addMouseMotionListener(
new MouseMotionAdapter() {
public void mouseDragged(MouseEvent event) {
Point lastMousePoint =
mousePoint; // mousePoint used to keep track of where the piece should be drawn
mousePoint = event.getPoint();
for (int i = 0; i < 8; i++) { // nested for loops iterate through the whole board
for (int j = 0; j < 8; j++) {
if (View.this.board.hasPiece(i, j)) {
if (View.this.board.getSquare(i, j).isSelected()) {
double dx =
mousePoint.getX()
- lastMousePoint.getX(); // calculate how much to change piece position
double dy = mousePoint.getY() - lastMousePoint.getY();
View.this
.board
.getSquare(i, j)
.translate((int) dx, (int) dy); // translate piece
}
}
}
}
repaint(); // repaints the View everytime mouse is dragged
}
});
/*
* This actionListener governs what happens when the mouse is released
*/
addMouseListener(
new MouseAdapter() {
public void mouseReleased(MouseEvent e) {
boolean pieceSelected = false; // keeps track of whether or not a piece was selected
Piece selectedPiece = null; // keeps track of the selected piece
Piece eatenPiece = null; // keeps track of piece on square another piece was moved to
int oldX = 0; // keeps track of prior position if piece
int oldY = 0;
// for loop cyles through board
for (int i = 0; i < 8; i++) {
for (int j = 0; j < 8; j++) {
if (View.this.board.hasPiece(i, j)) { // checks if board square has a piece
if (View.this
.board
.getSquare(i, j)
.isSelected()) { // then checks if the piece was selected
pieceSelected = true;
selectedPiece = View.this.board.getSquare(i, j); // records data about piece
oldX = i;
oldY = j;
}
}
}
}
if (pieceSelected) {
if (selectedPiece.checkLegalMove(
e.getPoint(), View.this.board)) { // check legal moves
int newX = ((int) e.getPoint().getX()) / 62; // record new point
int newY = ((int) e.getPoint().getY()) / 62;
/*
* Make the move
*/
// check for castling here
if (selectedPiece.getType().equals("King") && newX - oldX == 2) {
if (selectedPiece.getColor() == false) { // case that piece is white
View.this.board.clearSquare(oldX, oldY);
View.this.board.setSquare(newX, newY, selectedPiece);
selectedPiece.setLocation(newX, newY);
Piece rook = View.this.board.getSquare(7, 7);
View.this.board.setSquare(5, 7, rook);
rook.setLocation(5, 7);
View.this.board.clearSquare(7, 7);
View.this.text += "White castles. \n";
} else {
// case that piece is black
View.this.board.clearSquare(oldX, oldY);
View.this.board.setSquare(newX, newY, selectedPiece);
selectedPiece.setLocation(newX, newY);
Piece rook = View.this.board.getSquare(7, 0);
View.this.board.setSquare(5, 0, rook);
rook.setLocation(5, 0);
View.this.board.clearSquare(7, 0);
View.this.text += "White castles. \n";
}
} else {
if (View.this.board.hasPiece(newX, newY)) {
eatenPiece = View.this.board.getSquare(newX, newY);
}
View.this.board.clearSquare(oldX, oldY);
View.this.board.setSquare(newX, newY, selectedPiece);
// snap to square
if (selectedPiece.setLocation(newX, newY))
System.out.println("location set"); // debug line
if ((eatenPiece != null)) {
View.this.text +=
selectedPiece.getType() + " eats " + eatenPiece.getType() + "\n";
View.this.textBox.setText(View.this.text);
}
View.this.text +=
selectedPiece.getType()
+ " was moved to: "
+ View.this.columns[newX]
+ (newY + 1)
+ "\n";
System.out.println("Snapped to square");
}
// repaint();
/*Note: newY+1 is used to
* read in the console as if rows and cols start
*from 1 instead of 0, as they do in the program*
*/
View.this.textBox.setText(View.this.text); // record to console
View.this.game.checkVictory(View.this.board);
if (View.this.game.getVictory()) {
if (View.this.game.getTurn() == false) {
View.this.text += "White has taken black's king and won the game!";
} else {
View.this.text += "Black has taken white's king and won the game!";
}
View.this.textBox.setText(View.this.text);
} else {
View.this.game.changeTurn();
if (View.this.game.getMode() != 0) { // case that the game is playing with AI
/*
* This Thread is what runs in teh background and computes the AI's best
* move and makes that move. It also updates the textArea with the appropriate text
*/
Thread t =
new Thread(
new Runnable() {
public void run() {
View.this.text += View.this.game.getAI().makeMove(View.this.board);
View.this.textBox.setText(View.this.text);
View.this.game.checkVictory(View.this.board);
if (View.this.game.getVictory()) {
if (View.this.game.getTurn() == false) {
View.this.text +=
"White has taken black's king and won the game!";
} else {
View.this.text +=
"Black has taken white's king and won the game!";
}
View.this.textBox.setText(View.this.text);
} else {
View.this.game.changeTurn();
}
repaint(); // repaints board after AI makes move
}
});
// Have AI make move if game is in AI mode
t.start(); // begins thread
}
}
} else { // case that move was illegal
// snap back to original square
selectedPiece.setLocation(oldX, oldY);
View.this.text += "Illegal move! \n";
View.this.textBox.setText(View.this.text);
}
selectedPiece.setSelected(false);
}
repaint();
}
});
}
