Added game end dialogs & statistics

.idea/libraries/jfreechart_1_5_3.xml

@@ -0,0 +1,9 @@
+<component name="libraryTable">
+  <library name="jfreechart-1.5.3">
+    <CLASSES>
+      <root url="jar://$PROJECT_DIR$/lib/jfreechart-1.5.3.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>

Chess.iml

@@ -8,5 +8,6 @@
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
     <orderEntry type="library" name="org.jfree.svg-5.0.5" level="project" />
+    <orderEntry type="library" name="jfreechart-1.5.3" level="project" />
   </component>
 </module>

src/APiece.java

@@ -325,8 +325,8 @@ public abstract class APiece {
         double startY = chessboard.startY + (fromY*chessboard.SQUARE_SIZE)*chessboard.boardScale;
         double endX = chessboard.startX + (toX*chessboard.SQUARE_SIZE)*chessboard.boardScale;
         double endY = chessboard.startY + (toY*chessboard.SQUARE_SIZE)*chessboard.boardScale;
-        double stepX = (endX-startX)/100;
-        double stepY = (endY-startY)/100;
+        double stepX = (endX-startX)/250;
+        double stepY = (endY-startY)/250;
         Timer timer = new Timer();
         timer.scheduleAtFixedRate(new TimerTask() {
             int i = 1;
@@ -334,7 +334,7 @@ public abstract class APiece {
             double currentY = 0;
             public void run() {
                 chessboard.repaintRootPane(getRepaintRectangle());
-                if(i > 100) {
+                if(i > 250) {
                     timer.cancel();
                     setOverride(0, 0);
                 } else {
@@ -345,7 +345,7 @@ public abstract class APiece {
                 chessboard.repaintRootPane(getRepaintRectangle());
                 i++;
             }
-        }, 5, 5);
+        }, 2, 2);
     }
 
     public void remove(boolean animate) {

src/Chess.java

@@ -1,3 +1,7 @@
+import org.jfree.chart.ChartFactory;
+import org.jfree.chart.ChartPanel;
+import org.jfree.chart.JFreeChart;
+import org.jfree.data.category.DefaultCategoryDataset;
 import org.jfree.svg.SVGGraphics2D;
 
 import javax.imageio.ImageIO;
@@ -7,6 +11,8 @@ import java.awt.image.BufferedImage;
 import java.io.File;
 import java.io.FileWriter;
 import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
 
 /**
  * Main program layout
@@ -68,7 +74,10 @@ public class Chess {
         JMenu menuGame = new JMenu("Game");
 
         JMenuItem startNewGame = new JMenuItem("Start new game");
-        startNewGame.addActionListener(l -> newGame(Chessboard.fromFEN(DEFAULT_FEN)));
+        startNewGame.addActionListener(l -> {
+            int response = JOptionPane.showConfirmDialog(chessboard, "Do you really want to start a new game?");
+            if(response == 0) newGame(Chessboard.fromFEN(DEFAULT_FEN));
+        });
         menuGame.add(startNewGame);
 
         JMenuItem newGameFromFEN = new JMenuItem("Load from FEN");
@@ -81,6 +90,18 @@ public class Chess {
         });
         menuGame.add(newGameFromFEN);
 
+        JMenuItem getFEN = new JMenuItem("Get current FEN");
+        getFEN.addActionListener(l -> {
+            JOptionPane.showInputDialog("Here is current FEN: ", chessboard.toFEN());
+        });
+        menuGame.add(getFEN);
+
+        JMenuItem showStats = new JMenuItem("Statistics");
+        showStats.addActionListener(l -> {
+            showStatistics();
+        });
+        menuGame.add(showStats);
+
         menuGame.add(new JPopupMenu.Separator());
 
         JCheckBoxMenuItem toggleBlindMode = new JCheckBoxMenuItem("Blind mode");
@@ -273,4 +294,30 @@ public class Chess {
         }
     }
 
+    public static void showStatistics() {
+        JFrame window = new JFrame();
+        window.setTitle("Statistics");
+
+        DefaultCategoryDataset dataset = new DefaultCategoryDataset();
+        Player[] players = new Player[]{chessboard.getPlayer1(), chessboard.getPlayer2()};
+        String[] playerNames = new String[]{"White", "Black"};
+        for (int i = 0; i < players.length; i++) {
+            List<Integer> delays = players[i].getDelays();
+            for (int j = 0; j < delays.size(); j++) {
+                dataset.addValue(delays.get(j), playerNames[i], (j+1)+".");
+            }
+        }
+        JFreeChart chart = ChartFactory.createLineChart(
+                "Turn speed", "Turns", "Time (ms)",
+                dataset
+        );
+
+        ChartPanel panel = new ChartPanel(chart);
+        window.add(panel);
+        window.pack();
+        window.setMinimumSize(new Dimension(500, 300));
+
+        window.setVisible(true);
+    }
+
 }

src/Chessboard.java

@@ -1,8 +1,8 @@
 import javax.swing.*;
 import java.awt.*;
 import java.awt.geom.AffineTransform;
-import java.util.HashSet;
-import java.util.Set;
+import java.util.*;
+import java.util.Timer;
 
 /**
  * Chessboard class
@@ -65,6 +65,8 @@ public class Chessboard extends JPanel {
 
     static private Theme theme = Theme.activeTheme;
 
+    private long lastMoveTime = System.currentTimeMillis();
+
     /**
      * Constructor of the chessboard
      */
@@ -508,17 +510,41 @@ public class Chessboard extends JPanel {
         return player2;
     }
 
+    public void checkGame() {
+        Player[] players = new Player[]{player1, player2};
+        String[] playerNames = new String[]{"White", "Black"};
+        for (int i = 0; i < players.length; i++) {
+            if(players[i].inCheck()) {
+                System.out.println(playerNames[i] + " is in check!");
+                if(players[i].hasNoPossibleMove()) {
+                    String winner = playerNames[(i+1)%2];
+                    delayedMessage("Checkmate! Congratulations " + winner + ", you have won the game.");
+                    return;
+                }
+            }
+        }
+        if(!activePlayer.inCheck() && activePlayer.hasNoPossibleMove()) {
+            delayedMessage("It's a stalemate! Neither player can make a move without putting their king in checkmate.");
+        }
+    }
+
+    public void delayedMessage(String msg) {
+        Timer t = new Timer();
+        t.schedule(new TimerTask() {
+            @Override
+            public void run() {
+                JOptionPane.showMessageDialog(Chess.chessboard, msg);
+            }
+        }, 1000);
+    }
+
     public void changeActivePlayer() {
+        long now = System.currentTimeMillis();
+        activePlayer.addDelay((int) (now-lastMoveTime));
+        lastMoveTime = now;
         activePlayer = getOtherPlayer();
         repaintRootPane();
-        if(player1.inCheck()) {
-            System.out.println("Player1 in check!");
-            if(player1.inMate()) System.out.println("Player1 in mate!");
-        }
-        if(player2.inCheck()) {
-            System.out.println("Player2 in check!");
-            if(player2.inMate()) System.out.println("Player2 in mate!");
-        }
+        checkGame();
         activePlayer.play();
     }
 

src/Player.java

@@ -1,7 +1,4 @@
-import java.util.ArrayList;
-import java.util.Random;
-import java.util.Timer;
-import java.util.TimerTask;
+import java.util.*;
 
 public class Player {
 
@@ -17,6 +14,8 @@ public class Player {
 
     private boolean isPlaying = false;
 
+    private ArrayList<Integer> delays = new ArrayList<>();
+
     public Player(Chessboard chessboard, StartPosition startPosition, PieceColor color) {
         this.chessboard = chessboard;
         this.color = color;
@@ -27,7 +26,7 @@ public class Player {
         return king.isEndangered();
     }
     
-    public boolean inMate() {
+    public boolean hasNoPossibleMove() {
         for (APiece piece : getPieces()) {
             boolean[][] possibleMoves = piece.getPossibleMoves();
             for (int y = 0; y < possibleMoves.length; y++) {
@@ -142,4 +141,12 @@ public class Player {
         return cpu;
     }
 
+    public void addDelay(int delay) {
+        delays.add(delay);
+    }
+
+    public List<Integer> getDelays() {
+        return delays;
+    }
+
 }