refactor: alphabeta time printing

Reviewed-on: #5
Co-authored-by: Persson-dev <sim16.prib@gmail.com>
Co-committed-by: Persson-dev <sim16.prib@gmail.com>

.gitattributes

@@ -3,7 +3,6 @@
 #
 # Linux start script should use lf
 /gradlew        text eol=lf
-
 # These are Windows script files and should use crlf
 *.bat           text eol=crlf
-
+*.glb filter=lfs diff=lfs merge=lfs -text

.gitignore

@@ -7,3 +7,5 @@ build
 app/bin
 
 .vscode
+
+audio/*.wav

app/build.gradle

@@ -39,12 +39,20 @@ application {
     applicationName = "3DChess"
 }
 
+run {
+    standardInput = System.in
+}
+
 jar {
     manifest {
         attributes 'Main-Class': application.mainClass
     }
 }
 
+run {
+    standardInput = System.in
+}
+
 tasks.named('test') {
     // Use JUnit Platform for unit tests.
     useJUnitPlatform()

app/src/main/java/chess/App.java

@@ -1,23 +1,30 @@
 package chess;
 
-import chess.view.consolerender.Colors;
-
 import java.util.Scanner;
 
+import chess.view.consolerender.Colors;
+
 public class App {
     public static void main(String[] args) {
         System.out.println(Colors.RED + "Credits: Grenier Lilas, Pribylski Simon." + Colors.RESET);
         System.out.println("""
                 Pick the version to use:
                     1 - Console
-                    2 - Window.""");
+                    2 - Window
-        switch (new Scanner(System.in).nextLine()) {
+                    3 - 3D.""");
+        Scanner scan = new Scanner(System.in);
+        String line = scan.nextLine();
+        scan.close();
+        switch (line) {
             case "1", "Console", "console":
                 ConsoleMain.main(args);
                 break;
             case "2", "Window", "window":
                 SwingMain.main(args);
                 break;
+            case "3", "3D", "3d":
+                OpenGLMain.main(args);
+                break;
             default:
                 System.out.println("Invalid input");
                 break;

app/src/main/java/chess/ConsoleMain.java

@@ -5,26 +5,17 @@ package chess;
 
 import chess.controller.CommandExecutor;
 import chess.controller.commands.NewGameCommand;
-import chess.model.ChessBoard;
 import chess.model.Game;
-import chess.simulator.PromoteTest;
 import chess.view.consolerender.Console;
 
 public class ConsoleMain {
     public static void main(String[] args) {
-        Game game = new Game(new ChessBoard());
+        Game game = new Game();
         CommandExecutor commandExecutor = new CommandExecutor(game);
 
-        PromoteTest promoteTest = new PromoteTest(commandExecutor);
-        commandExecutor.addListener(promoteTest);
-
         Console console = new Console(commandExecutor);
         commandExecutor.addListener(console);
         
-        promoteTest.onComplete.connect(() -> {
-            console.setCaptureInput(true);
-        });
-
         commandExecutor.executeCommand(new NewGameCommand());
     }
 }

app/src/main/java/chess/OpenGLMain.java

@@ -1,33 +1,9 @@
 package chess;
 
-import chess.ai.DumbAI;
+import chess.view.DDDrender.Window;
-import chess.controller.CommandExecutor;
-import chess.controller.commands.NewGameCommand;
-import chess.controller.event.GameAdaptator;
-import chess.model.ChessBoard;
-import chess.model.Color;
-import chess.model.Game;
-import chess.pgn.PgnExport;
-import chess.view.render.Window;
 
 public class OpenGLMain {
-
 	public static void main(String[] args) {
-        Game game = new Game(new ChessBoard());
+        new Window().run();
-        CommandExecutor commandExecutor = new CommandExecutor(game);
-
-        Window window = new Window(commandExecutor);
-        commandExecutor.addListener(window);
-
-        // DumbAI ai = new DumbAI(commandExecutor, Color.Black);
-        // commandExecutor.addListener(ai);
-
-        // DumbAI ai2 = new DumbAI(commandExecutor, Color.White);
-        // commandExecutor.addListener(ai2);
-
-        commandExecutor.executeCommand(new NewGameCommand());
-
-        window.run();
     }
-
 }

app/src/main/java/chess/SwingMain.java

@@ -1,28 +1,35 @@
 package chess;
 
-import chess.ai.DumbAI;
+import chess.ai.minimax.AlphaBetaAI;
+import chess.ai.minimax.AlphaBetaConsolePrinter;
 import chess.controller.CommandExecutor;
 import chess.controller.commands.NewGameCommand;
 import chess.controller.event.GameAdaptator;
-import chess.model.ChessBoard;
 import chess.model.Color;
 import chess.model.Game;
 import chess.pgn.PgnExport;
+import chess.view.audio.GameAudio;
 import chess.view.simplerender.Window;
 
 public class SwingMain {
 	public static void main(String[] args) {
-        Game game = new Game(new ChessBoard());
+        Game game = new Game();
         CommandExecutor commandExecutor = new CommandExecutor(game);
 
-        Window window = new Window(commandExecutor, false);
+        Window window = new Window(commandExecutor, true);
         commandExecutor.addListener(window);
 
-        DumbAI ai = new DumbAI(commandExecutor, Color.Black);
+        AlphaBetaAI ai = new AlphaBetaAI(commandExecutor, Color.Black, 5);
         commandExecutor.addListener(ai);
 
-        DumbAI ai2 = new DumbAI(commandExecutor, Color.White);
+        AlphaBetaConsolePrinter aiResults = new AlphaBetaConsolePrinter(ai);
-        commandExecutor.addListener(ai2);
+        aiResults.connect();
+
+        // AI ai2 = new AlphaBetaAI(commandExecutor, Color.White, 5);
+        // commandExecutor.addListener(ai2);
+
+        // Window window2 = new Window(ai2.getSimulation(), false);
+        // ai2.getSimulation().addListener(window2);
 
         commandExecutor.addListener(new GameAdaptator(){
             @Override
@@ -31,6 +38,8 @@ public class SwingMain {
             }
         });
 
+        commandExecutor.addListener(new GameAudio());
+
         commandExecutor.executeCommand(new NewGameCommand());
     }
 }

app/src/main/java/chess/ai/AI.java

@@ -0,0 +1,81 @@
+package chess.ai;
+
+import java.util.List;
+
+import chess.controller.Command;
+import chess.controller.CommandExecutor;
+import chess.controller.Command.CommandResult;
+import chess.controller.commands.GetPieceAtCommand;
+import chess.controller.commands.GetPlayerMovesCommand;
+import chess.controller.commands.GetAllowedCastlingsCommand;
+import chess.controller.commands.GetAllowedCastlingsCommand.CastlingResult;
+import chess.controller.event.GameAdaptator;
+import chess.model.Color;
+import chess.model.Coordinate;
+import chess.model.Move;
+import chess.model.Piece;
+
+public abstract class AI extends GameAdaptator{
+
+	protected final CommandExecutor commandExecutor;
+	protected final Color color;
+
+	public AI(CommandExecutor commandExecutor, Color color) {
+		this.commandExecutor = commandExecutor;
+		this.color = color;
+	}
+
+	protected abstract void play();
+	protected abstract void promote(Coordinate pawnCoords);
+
+	@Override
+	public void onPlayerTurn(Color color, boolean undone) {
+		if (this.color != color || undone)
+			return;
+
+		play();
+	}
+
+	@Override
+	public void onPromotePawn(Coordinate pieceCoords) {
+		Piece pawn = pieceAt(pieceCoords);
+		if (pawn.getColor() != this.color)
+			return;
+		promote(pieceCoords);
+	}
+
+	protected Piece pieceAt(Coordinate coordinate) {
+		GetPieceAtCommand command = new GetPieceAtCommand(coordinate);
+		sendCommand(command);
+		return command.getPiece();
+	}
+
+	protected List<Move> getAllowedMoves() {
+		return getAllowedMoves(this.commandExecutor);
+	}
+
+	protected List<Move> getAllowedMoves(CommandExecutor commandExecutor) {
+		GetPlayerMovesCommand cmd = new GetPlayerMovesCommand();
+		sendCommand(cmd, commandExecutor);
+		return cmd.getMoves();
+	}
+
+	protected CastlingResult getAllowedCastlings() {
+		GetAllowedCastlingsCommand cmd2 = new GetAllowedCastlingsCommand();
+		sendCommand(cmd2);
+		return cmd2.getCastlingResult();
+	}
+
+	protected CommandResult sendCommand(Command command) {
+		return sendCommand(command, this.commandExecutor);
+	}
+
+	protected CommandResult sendCommand(Command command, CommandExecutor commandExecutor) {
+		CommandResult result = commandExecutor.executeCommand(command);
+		if(result == CommandResult.NotAllowed){
+			System.out.println("eeeeee");
+		}
+		return result;
+	}
+	
+}

app/src/main/java/chess/ai/DumbAI.java

@@ -3,46 +3,28 @@ package chess.ai;
 import java.util.List;
 import java.util.Random;
 
-import chess.controller.Command;
 import chess.controller.CommandExecutor;
 import chess.controller.commands.CastlingCommand;
-import chess.controller.commands.GetAllowedCastlingsCommand;
+import chess.controller.commands.GetAllowedCastlingsCommand.CastlingResult;
-import chess.controller.commands.GetPieceAtCommand;
-import chess.controller.commands.GetPlayerMovesCommand;
 import chess.controller.commands.MoveCommand;
 import chess.controller.commands.PromoteCommand;
-import chess.controller.commands.GetAllowedCastlingsCommand.CastlingResult;
 import chess.controller.commands.PromoteCommand.PromoteType;
-import chess.controller.event.GameAdaptator;
 import chess.model.Color;
 import chess.model.Coordinate;
 import chess.model.Move;
-import chess.model.Piece;
 
-public class DumbAI extends GameAdaptator {
+public class DumbAI extends AI {
 
-	private final Color player;
-	private final CommandExecutor commandExecutor;
 	private final Random random = new Random();
 
 	public DumbAI(CommandExecutor commandExecutor, Color color) {
-		this.player = color;
+		super(commandExecutor, color);
-		this.commandExecutor = commandExecutor;
 	}
 
 	@Override
-	public void onPlayerTurn(Color color) {
+	protected void play() {
-		if (color != player)
+		CastlingResult castlings = getAllowedCastlings();
-			return;
+		List<Move> moves = getAllowedMoves();
-
-		GetPlayerMovesCommand cmd = new GetPlayerMovesCommand();
-		sendCommand(cmd);
-
-		GetAllowedCastlingsCommand cmd2 = new GetAllowedCastlingsCommand();
-		sendCommand(cmd2);
-
-		CastlingResult castlings = cmd2.getCastlingResult();
-		List<Move> moves = cmd.getMoves();
 
 		switch (castlings) {
 			case Both: {
@@ -53,20 +35,12 @@ public class DumbAI extends GameAdaptator {
 				return;
 			}
 
-			case Small: {
+			case Small:
-				int randomMove = this.random.nextInt(moves.size() + 1);
-				if (randomMove != moves.size())
-					break;
-				this.commandExecutor.executeCommand(new CastlingCommand(false));
-				return;
-
-			}
-
 			case Big: {
 				int randomMove = this.random.nextInt(moves.size() + 1);
 				if (randomMove != moves.size())
 					break;
-				this.commandExecutor.executeCommand(new CastlingCommand(true));
+				this.commandExecutor.executeCommand(new CastlingCommand(castlings == CastlingResult.Big));
 				return;
 			}
 
@@ -76,27 +50,12 @@ public class DumbAI extends GameAdaptator {
 
 		int randomMove = this.random.nextInt(moves.size());
 		this.commandExecutor.executeCommand(new MoveCommand(moves.get(randomMove)));
-
 	}
 
 	@Override
-	public void onPromotePawn(Coordinate pieceCoords) {
+	protected void promote(Coordinate pawnCoords) {
-		Piece pawn = pieceAt(pieceCoords);
-		if (pawn.getColor() != this.player)
-			return;
-
 		int promote = this.random.nextInt(PromoteType.values().length);
 		this.commandExecutor.executeCommand(new PromoteCommand(PromoteType.values()[promote]));
 	}
 
-	private Piece pieceAt(Coordinate coordinate) {
-		GetPieceAtCommand command = new GetPieceAtCommand(coordinate);
-		sendCommand(command);
-		return command.getPiece();
-	}
-
-	private void sendCommand(Command command) {
-		this.commandExecutor.executeCommand(command);
-	}
-
 }

app/src/main/java/chess/ai/HungryAI.java

@@ -0,0 +1,61 @@
+package chess.ai;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Random;
+
+import chess.controller.CommandExecutor;
+import chess.controller.commands.MoveCommand;
+import chess.controller.commands.PromoteCommand;
+import chess.controller.commands.PromoteCommand.PromoteType;
+import chess.model.Color;
+import chess.model.Coordinate;
+import chess.model.Move;
+import chess.model.Piece;
+
+public class HungryAI extends AI {
+
+	private final PieceCost pieceCost;
+	private final Random random;
+
+	public HungryAI(CommandExecutor commandExecutor, Color color) {
+		super(commandExecutor, color);
+		this.pieceCost = new PieceCost(color);
+		this.random = new Random();
+	}
+
+	private int getMoveCost(Move move) {
+		Piece piece = pieceAt(move.getDeadPieceCoords());
+		return - (int) pieceCost.getCost(piece);
+	}
+
+	private List<Move> getBestMoves() {
+		List<Move> moves = getAllowedMoves();
+		List<Move> bestMoves = new ArrayList<>();
+		int bestCost = 0;
+		for (Move move : moves) {
+			int moveCost = getMoveCost(move);
+			if (moveCost == bestCost) {
+				bestMoves.add(move);
+			} else if (moveCost > bestCost) {
+				bestMoves.clear();
+				bestMoves.add(move);
+				bestCost = moveCost;
+			}
+		}
+		return bestMoves;
+	}
+
+	@Override
+	protected void play() {
+		List<Move> bestMoves = getBestMoves();
+		int randomMove = this.random.nextInt(bestMoves.size());
+		this.commandExecutor.executeCommand(new MoveCommand(bestMoves.get(randomMove)));
+	}
+
+	@Override
+	protected void promote(Coordinate pawnCoords) {
+		sendCommand(new PromoteCommand(PromoteType.Queen));
+	}
+
+}

app/src/main/java/chess/ai/PieceCost.java

@@ -0,0 +1,67 @@
+package chess.ai;
+
+import chess.model.Color;
+import chess.model.Piece;
+import chess.model.PieceVisitor;
+import chess.model.pieces.Bishop;
+import chess.model.pieces.King;
+import chess.model.pieces.Knight;
+import chess.model.pieces.Pawn;
+import chess.model.pieces.Queen;
+import chess.model.pieces.Rook;
+
+public class PieceCost implements PieceVisitor<Float> {
+
+	private final Color player;
+
+	public static final float BISHOP = 30;
+	public static final float KING = 900;
+	public static final float KNIGHT = 30;
+	public static final float PAWN = 10;
+	public static final float QUEEN = 90;
+	public static final float ROOK = 50;
+
+	public PieceCost(Color color) {
+		this.player = color;
+	}
+
+	public float getCost(Piece piece) {
+		if (piece == null)
+			return 0;
+		float cost = visit(piece);
+		if (piece.getColor() != player)
+			cost = -cost;
+		return cost;
+	}
+
+	@Override
+	public Float visitPiece(Bishop bishop) {
+		return BISHOP;
+	}
+
+	@Override
+	public Float visitPiece(King king) {
+		return KING;
+	}
+
+	@Override
+	public Float visitPiece(Knight knight) {
+		return KNIGHT;
+	}
+
+	@Override
+	public Float visitPiece(Pawn pawn) {
+		return PAWN;
+	}
+
+	@Override
+	public Float visitPiece(Queen queen) {
+		return QUEEN;
+	}
+
+	@Override
+	public Float visitPiece(Rook rook) {
+		return ROOK;
+	}
+
+}

app/src/main/java/chess/ai/PiecePosCost.java

@@ -0,0 +1,129 @@
+package chess.ai;
+
+import java.util.Arrays;
+import java.util.List;
+
+import chess.model.Color;
+import chess.model.Coordinate;
+import chess.model.Piece;
+import chess.model.PieceVisitor;
+import chess.model.pieces.Bishop;
+import chess.model.pieces.King;
+import chess.model.pieces.Knight;
+import chess.model.pieces.Pawn;
+import chess.model.pieces.Queen;
+import chess.model.pieces.Rook;
+
+public class PiecePosCost implements PieceVisitor<List<Float>> {
+
+	private final Color color;
+
+	private static final List<Float> BISHOP = Arrays.asList(
+			-2.0f, -1.0f, -1.0f, -1.0f, -1.0f, -1.0f, -1.0f, -2.0f, 
+			-1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, -1.0f,
+			-1.0f, 0.0f, 0.5f, 1.0f, 1.0f, 0.5f, 0.0f, -1.0f,
+			-1.0f, 0.5f, 0.5f, 1.0f, 1.0f, 0.5f, 0.5f, -1.0f,
+			-1.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, -1.0f,
+			-1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, -1.0f,
+			-1.0f, 0.5f, 0.0f, 0.0f, 0.0f, 0.0f, 0.5f, -1.0f,
+			-2.0f, -1.0f, -1.0f, -1.0f, -1.0f, -1.0f, -1.0f, -2.0f);
+
+	private static final List<Float> KING = Arrays.asList(
+			-3.0f, -4.0f, -4.0f, -5.0f, -5.0f, -4.0f, -4.0f, -3.0f,
+			-3.0f, -4.0f, -4.0f, -5.0f, -5.0f, -4.0f, -4.0f, -3.0f,
+			-3.0f, -4.0f, -4.0f, -5.0f, -5.0f, -4.0f, -4.0f, -3.0f,
+			-3.0f, -4.0f, -4.0f, -5.0f, -5.0f, -4.0f, -4.0f, -3.0f,
+			-2.0f, -3.0f, -3.0f, -4.0f, -4.0f, -3.0f, -3.0f, -2.0f,
+			-1.0f, -2.0f, -2.0f, -2.0f, -2.0f, -2.0f, -2.0f, -1.0f,
+			2.0f, 2.0f, 0.0f, 0.0f, 0.0f, 0.0f, 2.0f, 2.0f,
+			2.0f, 3.0f, 1.0f, 0.0f, 0.0f, 1.0f, 3.0f, 2.0f);
+
+	private static final List<Float> KNIGHT = Arrays.asList(
+			-5.0f, -4.0f, -3.0f, -3.0f, -3.0f, -3.0f, -4.0f, -5.0f, 
+			-4.0f, -2.0f, 0.0f, 0.0f, 0.0f, 0.0f, -2.0f, -4.0f,
+			-3.0f, 0.0f, 1.0f, 1.5f, 1.5f, 1.0f, 0.0f, -3.0f,
+			-3.0f, 0.5f, 1.5f, 2.0f, 2.0f, 1.5f, 0.5f, -3.0f,
+			-3.0f, 0.0f, 1.5f, 2.0f, 2.0f, 1.5f, 0.0f, -3.0f,
+			-3.0f, 0.5f, 1.0f, 1.5f, 1.5f, 1.0f, 0.5f, -3.0f,
+			-4.0f, -2.0f, 0.0f, 0.5f, 0.5f, 0.0f, -2.0f, -4.0f,
+			-5.0f, -4.0f, -3.0f, -3.0f, -3.0f, -3.0f, -4.0f, -5.0f);
+
+	private static final List<Float> PAWN = Arrays.asList(
+			0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f,
+			5.0f, 5.0f, 5.0f, 5.0f, 5.0f, 5.0f, 5.0f, 5.0f,
+			1.0f, 1.0f, 2.0f, 3.0f, 3.0f, 2.0f, 1.0f, 1.0f,
+			0.5f, 0.5f, 1.0f, 2.5f, 2.5f, 1.0f, 0.5f, 0.5f,
+			0.0f, 0.0f, 1.0f, 2.0f, 2.0f, 1.0f, 0.0f, 0.0f,
+			0.5f, -0.5f, -1.0f, 0.0f, 0.0f, -1.0f, -0.5f, 0.5f,
+			0.5f, 1.0f, 1.0f, -2.0f, -2.0f, 1.0f, 1.0f, 0.5f,
+			0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f);
+
+	private static final List<Float> QUEEN = Arrays.asList(
+			-2.0f, -1.0f, -1.0f, -0.5f, -0.5f, -1.0f, -1.0f, -2.0f,
+			-1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, -1.0f,
+			-1.0f, 0.0f, 0.5f, 0.5f, 0.5f, 0.5f, 0.0f, -1.0f,
+			-0.5f, 0.0f, 0.5f, 0.5f, 0.5f, 0.5f, 0.0f, -0.5f,
+			0.0f, 0.0f, 0.5f, 0.5f, 0.5f, 0.5f, 0.0f, -0.5f,
+			-1.0f, 0.5f, 0.5f, 0.5f, 0.5f, 0.5f, 0.0f, -1.0f,
+			-1.0f, 0.0f, 0.5f, 0.0f, 0.0f, 0.0f, 0.0f, -1.0f,
+			-2.0f, -1.0f, -1.0f, -0.5f, -0.5f, -1.0f, -1.0f, -2.0f);
+
+	private static final List<Float> ROOK = Arrays.asList(
+			0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f,
+			0.5f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.5f,
+			-0.5f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, -0.5f,
+			-0.5f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, -0.5f,
+			-0.5f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, -0.5f,
+			-0.5f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, -0.5f,
+			-0.5f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, -0.5f,
+			0.0f, 0.0f, 0.0f, 0.5f, 0.5f, 0.0f, 0.0f, 0.0f);
+
+	public PiecePosCost(Color color) {
+		this.color = color;
+	}
+
+	public float getEvaluation(Piece piece, Coordinate coordinate) {
+		if (piece == null)
+			return 0;
+		List<Float> positions = visit(piece);
+		int x = piece.getColor() == Color.Black ? (Coordinate.VALUE_MAX - 1 - coordinate.getX()) : coordinate.getX();
+		int y = piece.getColor() == Color.Black ? (Coordinate.VALUE_MAX - 1 - coordinate.getY()) : coordinate.getY();
+		Coordinate newCoords = new Coordinate(x, y);
+		assert newCoords.isValid();
+		float result = positions.get(newCoords.toIndex());
+		if (piece.getColor() != color)
+			return -result;
+		return result;
+	}
+
+	@Override
+	public List<Float> visitPiece(Bishop bishop) {
+		return BISHOP;
+	}
+
+	@Override
+	public List<Float> visitPiece(King king) {
+		return KING;
+	}
+
+	@Override
+	public List<Float> visitPiece(Knight knight) {
+		return KNIGHT;
+	}
+
+	@Override
+	public List<Float> visitPiece(Pawn pawn) {
+		return PAWN;
+	}
+
+	@Override
+	public List<Float> visitPiece(Queen queen) {
+		return QUEEN;
+	}
+
+	@Override
+	public List<Float> visitPiece(Rook rook) {
+		return ROOK;
+	}
+
+}

app/src/main/java/chess/ai/minimax/AlphaBetaAI.java

@@ -0,0 +1,92 @@
+package chess.ai.minimax;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Future;
+
+import chess.ai.AI;
+import chess.controller.CommandExecutor;
+import chess.controller.commands.MoveCommand;
+import chess.controller.commands.PromoteCommand;
+import chess.controller.commands.PromoteCommand.PromoteType;
+import chess.model.Color;
+import chess.model.Coordinate;
+import chess.model.Move;
+import common.Signal1;
+
+public class AlphaBetaAI extends AI {
+
+	private final int searchDepth;
+
+	private static final float MAX_FLOAT = Float.MAX_VALUE;
+	private static final float MIN_FLOAT = -MAX_FLOAT;
+
+	private final ExecutorService threadPool;
+
+	public final Signal1<Integer> onStartEval = new Signal1<>();
+	public final Signal1<Float> onCompleteEval = new Signal1<>();
+	public final Signal1<Float> onProgress = new Signal1<>();
+
+	public AlphaBetaAI(CommandExecutor commandExecutor, Color color, int searchDepth) {
+		super(commandExecutor, color);
+		this.searchDepth = searchDepth;
+		int threadCount = Runtime.getRuntime().availableProcessors();
+		this.threadPool = Executors.newFixedThreadPool(threadCount,
+				new AlphaBetaThreadCreator(commandExecutor, color, threadCount));
+	}
+
+	private Move getBestMove() {
+		List<Move> moves = getAllowedMoves();
+		List<Future<Float>> moveEvaluations = new ArrayList<>(50);
+		float bestMoveValue = MIN_FLOAT;
+		Move bestMove = null;
+
+		this.onStartEval.emit(moves.size());
+
+		for (Move move : moves) {
+			moveEvaluations.add(this.threadPool.submit(() -> {
+				return AlphaBetaThreadCreator.getMoveValue(move, this.searchDepth);
+			}));
+		}
+
+		for (int i = 0; i < moves.size(); i++) {
+			this.onProgress.emit((float) i / (float) moves.size());
+			Move move = moves.get(i);
+
+			float value = MIN_FLOAT;
+			try {
+				value = moveEvaluations.get(i).get();
+			} catch (InterruptedException | ExecutionException e) {
+				e.printStackTrace();
+			}
+			if (value > bestMoveValue) {
+				bestMoveValue = value;
+				bestMove = move;
+			}
+		}
+
+		this.onCompleteEval.emit(bestMoveValue);
+
+		return bestMove;
+	}
+
+	@Override
+	public void onGameEnd() {
+		this.threadPool.close();
+	}
+
+	@Override
+	protected void play() {
+		Move move = getBestMove();
+		sendCommand(new MoveCommand(move));
+	}
+
+	@Override
+	protected void promote(Coordinate pawnCoords) {
+		sendCommand(new PromoteCommand(PromoteType.Queen));
+	}
+
+}

app/src/main/java/chess/ai/minimax/AlphaBetaConsolePrinter.java

@@ -0,0 +1,27 @@
+package chess.ai.minimax;
+
+public class AlphaBetaConsolePrinter {
+
+	private final AlphaBetaAI ai;
+	private long lastTime;
+
+	public void connect() {
+		ai.onStartEval.connect((moveCount) -> {
+			this.lastTime = System.currentTimeMillis();
+			System.out.println("Evaluating " + moveCount + " moves ...");
+		});
+
+		ai.onProgress.connect((progress) -> {
+			System.out.printf("Progress : %.2f %%    \r", progress * 100.0f);
+		});
+
+		ai.onCompleteEval.connect((bestMove) -> {
+			System.out.println("Best move : " + bestMove + "                 ");
+			System.out.println("Took " + (System.currentTimeMillis() - this.lastTime) + "ms");
+		});
+	}
+
+	public AlphaBetaConsolePrinter(AlphaBetaAI ai) {
+		this.ai = ai;
+	}
+}

app/src/main/java/chess/ai/minimax/AlphaBetaThread.java

@@ -0,0 +1,101 @@
+package chess.ai.minimax;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+
+import chess.ai.PieceCost;
+import chess.ai.PiecePosCost;
+import chess.model.ChessBoard;
+import chess.model.Color;
+import chess.model.Coordinate;
+import chess.model.Move;
+import chess.model.Piece;
+
+public class AlphaBetaThread extends Thread {
+
+	private final GameSimulation simulation;
+	private final PieceCost pieceCost;
+	private final PiecePosCost piecePosCost;
+
+	private static final int GREAT_MOVE = 9999;
+
+	private static final float MAX_FLOAT = Float.MAX_VALUE;
+	private static final float MIN_FLOAT = -MAX_FLOAT;
+
+	public AlphaBetaThread(Runnable task, GameSimulation simulation, Color color) {
+		super(task);
+		this.simulation = simulation;
+		this.pieceCost = new PieceCost(color);
+		this.piecePosCost = new PiecePosCost(color);
+	}
+
+	private float getEndGameEvaluation() {
+		Color currentTurn = this.simulation.getPlayerTurn();
+		if (this.simulation.getBoard().isKingInCheck(currentTurn))
+			return GREAT_MOVE;
+		return getBoardEvaluation() - PieceCost.PAWN;
+	}
+
+	private float getBoardEvaluation() {
+		final ChessBoard board = this.simulation.getBoard();
+		float result = 0;
+		for (int i = 0; i < Coordinate.VALUE_MAX; i++) {
+			for (int j = 0; j < Coordinate.VALUE_MAX; j++) {
+				Coordinate coordinate = new Coordinate(i, j);
+				Piece piece = board.pieceAt(coordinate);
+				result += pieceCost.getCost(piece) + piecePosCost.getEvaluation(piece, coordinate);
+			}
+		}
+		return result;
+	}
+
+	public float getMoveValue(Move move, int searchDepth) {
+		this.simulation.tryMove(move);
+		float value = -negaMax(searchDepth - 1, MIN_FLOAT, MAX_FLOAT);
+		this.simulation.undoMove();
+		return value;
+	}
+
+	private float negaMax(int depth, float alpha, float beta) {
+		float value = MIN_FLOAT;
+
+		List<Move> moves = this.simulation.getAllowedMoves();
+
+		if (moves.isEmpty())
+			return -getEndGameEvaluation();
+
+		List<Entry<Move, Float>> movesCost = new ArrayList<>(moves.size());
+
+		for (Move move : moves) {
+			this.simulation.tryMove(move);
+			movesCost.add(Map.entry(move, -getBoardEvaluation()));
+			this.simulation.undoMove();
+		}
+
+		Collections.sort(movesCost, (first, second) -> {
+			return Float.compare(first.getValue(), second.getValue());
+		});
+
+		if (depth == 1)
+			return -movesCost.getFirst().getValue();
+
+		for (var moveEntry : movesCost) {
+			Move move = moveEntry.getKey();
+			this.simulation.tryMove(move);
+			value = Float.max(value, -negaMax(depth - 1, -beta, -alpha));
+			this.simulation.undoMove();
+			alpha = Float.max(alpha, value);
+			if (alpha >= beta)
+				return value;
+		}
+
+		return value;
+	}
+
+	public GameSimulation getSimulation() {
+		return simulation;
+	}
+}

app/src/main/java/chess/ai/minimax/AlphaBetaThreadCreator.java

@@ -0,0 +1,36 @@
+package chess.ai.minimax;
+
+import java.util.concurrent.ThreadFactory;
+
+import chess.controller.CommandExecutor;
+import chess.model.Color;
+import chess.model.Move;
+
+public class AlphaBetaThreadCreator implements ThreadFactory{
+
+	private final Color color;
+	private final GameSimulation simulations[];
+	private int currentThread = 0;
+
+	public AlphaBetaThreadCreator(CommandExecutor commandExecutor, Color color, int threadCount) {
+		this.color = color;
+		simulations = new GameSimulation[threadCount];
+		for (int i = 0; i < threadCount; i++) {
+			simulations[i] = new GameSimulation();
+			commandExecutor.addListener(simulations[i]);
+		}
+	}
+
+	public static float getMoveValue(Move move, int searchDepth) {
+		AlphaBetaThread t = (AlphaBetaThread) Thread.currentThread();
+		return t.getMoveValue(move, searchDepth);
+	}
+
+	@Override
+	public Thread newThread(Runnable r) {
+		AlphaBetaThread t = new AlphaBetaThread(r, simulations[currentThread], color);
+		currentThread++;
+		return t;
+	}
+	
+}

app/src/main/java/chess/ai/minimax/GameSimulation.java

@@ -0,0 +1,103 @@
+package chess.ai.minimax;
+
+import java.util.List;
+
+import chess.controller.Command;
+import chess.controller.Command.CommandResult;
+import chess.controller.CommandExecutor;
+import chess.controller.commands.CastlingCommand;
+import chess.controller.commands.GetPlayerMovesCommand;
+import chess.controller.commands.MoveCommand;
+import chess.controller.commands.NewGameCommand;
+import chess.controller.commands.PromoteCommand;
+import chess.controller.commands.UndoCommand;
+import chess.controller.commands.PromoteCommand.PromoteType;
+import chess.controller.event.EmptyGameDispatcher;
+import chess.controller.event.GameAdaptator;
+import chess.model.ChessBoard;
+import chess.model.Color;
+import chess.model.Game;
+import chess.model.Move;
+import chess.model.PermissiveGame;
+
+public class GameSimulation extends GameAdaptator {
+
+	private final CommandExecutor simulation;
+	private final Game gameSimulation;
+
+	public GameSimulation() {
+		this.gameSimulation = new PermissiveGame();
+		this.simulation = new CommandExecutor(gameSimulation, new EmptyGameDispatcher());
+	}
+
+	protected CommandResult sendCommand(Command command) {
+		CommandResult result = this.simulation.executeCommand(command);
+		if (result == CommandResult.NotAllowed) {
+			System.out.println("eeeeee");
+		}
+		return result;
+	}
+
+	public void tryMove(Move move) {
+		sendCommand(new MoveCommand(move));
+		if (this.gameSimulation.getBoard().pawnShouldBePromoted())
+			sendCommand(new PromoteCommand(PromoteType.Queen));
+	}
+
+	public void undoMove() {
+		sendCommand(new UndoCommand());
+	}
+
+	@Override
+	public void onPawnPromoted(PromoteType promotion) {
+		sendCommand(new PromoteCommand(promotion));
+	}
+
+	@Override
+	public void onCastling(boolean bigCastling) {
+		sendCommand(new CastlingCommand(bigCastling));
+	}
+
+	@Override
+	public void onMove(Move move, boolean captured) {
+		sendCommand(new MoveCommand(move));
+	}
+
+	@Override
+	public void onGameStart() {
+		sendCommand(new NewGameCommand());
+	}
+
+	@Override
+	public void onPlayerTurn(Color color, boolean undone) {
+		if (undone)
+			sendCommand(new UndoCommand());
+	}
+
+	public CommandExecutor getCommandExecutor() {
+		return simulation;
+	}
+
+	public Game getGame() {
+		return gameSimulation;
+	}
+
+	public ChessBoard getBoard() {
+		return this.gameSimulation.getBoard();
+	}
+
+	public Color getPlayerTurn() {
+		return this.gameSimulation.getPlayerTurn();
+	}
+
+	public List<Move> getAllowedMoves() {
+		GetPlayerMovesCommand cmd = new GetPlayerMovesCommand();
+		sendCommand(cmd);
+		return cmd.getMoves();
+	}
+
+	public void close() {
+		this.simulation.close();
+	}
+
+}

app/src/main/java/chess/controller/CommandExecutor.java

@@ -2,6 +2,7 @@ package chess.controller;
 
 import chess.controller.Command.CommandResult;
 import chess.controller.commands.UndoCommand;
+import chess.controller.event.AsyncGameDispatcher;
 import chess.controller.event.GameDispatcher;
 import chess.controller.event.GameListener;
 import chess.model.Game;
@@ -17,7 +18,7 @@ public class CommandExecutor {
 	}
 
 	public CommandExecutor(Game game) {
-		this(game, new GameDispatcher());
+		this(game, new AsyncGameDispatcher());
 	}
 
 	public CommandExecutor(Game game, GameDispatcher dispatcher) {
@@ -52,19 +53,21 @@ public class CommandExecutor {
 				return;
 
 			case Moved:
+				boolean notifyPlayerTurn = true;
 				this.dispatcher.onBoardUpdate();
-				if (checkGameStatus()) {
+				if (!(command instanceof UndoCommand) && checkGameStatus()) {
 					this.dispatcher.onGameEnd();
-					return;
+					notifyPlayerTurn = false;
 				}
-				switchPlayerTurn();
+				switchPlayerTurn(command instanceof UndoCommand, notifyPlayerTurn);
 				return;
 		}
 	}
 
-	private void switchPlayerTurn() {
+	private void switchPlayerTurn(boolean undone, boolean notifyPlayerTurn) {
 		this.game.switchPlayerTurn();
-		this.dispatcher.onPlayerTurn(this.game.getPlayerTurn());
+		if (notifyPlayerTurn)
+			this.dispatcher.onPlayerTurn(this.game.getPlayerTurn(), undone);
 	}
 
 	/**
@@ -107,6 +110,6 @@ public class CommandExecutor {
 	}
 
 	public void close() {
-		this.dispatcher.stopService();
+		this.dispatcher.close();
 	}
 }

app/src/main/java/chess/controller/commands/CastlingCommand.java

@@ -49,6 +49,10 @@ public class CastlingCommand extends PlayerCommand {
 		board.applyMove(this.kingMove);
 		board.applyMove(this.rookMove);
 
+		board.setLastMove(this.kingMove);
+
+		outputSystem.onCastling(this.bigCastling);
+
 		return CommandResult.Moved;
 	}
 

app/src/main/java/chess/controller/commands/MoveCommand.java

@@ -37,7 +37,6 @@ public class MoveCommand extends PlayerCommand {
 				return result;
 
 			case Moved:
-				outputSystem.onMove(this.move);
 				game.saveTraitPiecesPos();
 				return result;
 
@@ -53,7 +52,7 @@ public class MoveCommand extends PlayerCommand {
 		final ChessBoard board = game.getBoard();
 
 		// we must promote the pending pawn before
-		if (board.pawnShouldBePromoted())
+		if (game.pawnShouldBePromoted())
 			return CommandResult.NotAllowed;
 
 		Piece piece = board.pieceAt(move.getStart());
@@ -76,11 +75,14 @@ public class MoveCommand extends PlayerCommand {
 		}
 
 		if (tryPromote(game, outputSystem)) {
+			outputSystem.onMove(this.move, this.deadPiece != null);
 			return CommandResult.ActionNeeded;
 		}
 
 		board.setLastMove(this.move);
 
+		outputSystem.onMove(this.move, this.deadPiece != null);
+
 		return CommandResult.Moved;
 	}
 

app/src/main/java/chess/controller/commands/NewGameCommand.java

@@ -51,7 +51,7 @@ public class NewGameCommand extends Command {
 		game.reset();
 
 		outputSystem.onGameStart();
-		outputSystem.onPlayerTurn(game.getPlayerTurn());
+		outputSystem.onPlayerTurn(game.getPlayerTurn(), false);
 
 		return CommandResult.NotMoved;
 	}

app/src/main/java/chess/controller/commands/PromoteCommand.java

@@ -55,6 +55,8 @@ public class PromoteCommand extends PlayerCommand {
 		this.oldPawn = pawn;
 		board.pieceComes(createPiece(this.promoteType, pawn.getColor()), this.pieceCoords);
 
+		outputSystem.onPawnPromoted(this.promoteType);
+
 		return CommandResult.Moved;
 	}
 

app/src/main/java/chess/controller/event/AsyncGameDispatcher.java

@@ -0,0 +1,113 @@
+package chess.controller.event;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.function.Consumer;
+
+import chess.controller.commands.PromoteCommand.PromoteType;
+import chess.model.Color;
+import chess.model.Coordinate;
+import chess.model.Move;
+
+public class AsyncGameDispatcher extends GameDispatcher {
+
+	private final List<GameListener> listeners;
+	private final ExecutorService executor;
+
+	public AsyncGameDispatcher() {
+		this.listeners = new ArrayList<>();
+		this.executor = Executors.newSingleThreadExecutor();
+	}
+
+	@Override
+	public void addListener(GameListener listener) {
+		this.listeners.add(listener);
+	}
+
+	private void asyncForEachCall(Consumer<GameListener> func) {
+		this.executor.execute(() -> this.listeners.forEach(func));
+	}
+
+	@Override
+	public void onPlayerTurn(Color color, boolean undone) {
+		asyncForEachCall((l) -> l.onPlayerTurn(color, undone));
+	}
+
+	@Override
+	public void onWin(Color color) {
+		asyncForEachCall((l) -> l.onWin(color));
+	}
+
+	@Override
+	public void onKingInCheck() {
+		asyncForEachCall((l) -> l.onKingInCheck());
+	}
+
+	@Override
+	public void onKingInMat() {
+		asyncForEachCall((l) -> l.onKingInMat());
+	}
+
+	@Override
+	public void onPatSituation() {
+		asyncForEachCall((l) -> l.onPatSituation());
+	}
+
+	@Override
+	public void onSurrender(Color color) {
+		asyncForEachCall((l) -> l.onSurrender(color));
+	}
+
+	@Override
+	public void onGameStart() {
+		asyncForEachCall((l) -> l.onGameStart());
+	}
+
+	@Override
+	public void onPromotePawn(Coordinate pieceCoords) {
+		asyncForEachCall((l) -> l.onPromotePawn(pieceCoords));
+	}
+
+	@Override
+	public void onBoardUpdate() {
+		asyncForEachCall((l) -> l.onBoardUpdate());
+	}
+
+	@Override
+	public void onGameEnd() {
+		asyncForEachCall((l) -> l.onGameEnd());
+	}
+
+	@Override
+	public void onMove(Move move, boolean captured) {
+		asyncForEachCall((l) -> l.onMove(move, captured));
+	}
+
+	@Override
+	public void onMoveNotAllowed(Move move) {
+		asyncForEachCall((l) -> l.onMoveNotAllowed(move));
+	}
+
+	@Override
+	public void onDraw() {
+		asyncForEachCall((l) -> l.onDraw());
+	}
+
+	@Override
+	public void onCastling(boolean bigCastling) {
+		asyncForEachCall((l) -> l.onCastling(bigCastling));		
+	}
+
+	@Override
+	public void onPawnPromoted(PromoteType promotion) {
+		asyncForEachCall((l) -> l.onPawnPromoted(promotion));
+	}
+
+	@Override
+	public void close() {
+		this.executor.shutdown();
+	}
+
+}

app/src/main/java/chess/controller/event/EmptyGameDispatcher.java

@@ -1,5 +1,6 @@
 package chess.controller.event;
 
+import chess.controller.commands.PromoteCommand.PromoteType;
 import chess.model.Color;
 import chess.model.Coordinate;
 import chess.model.Move;
@@ -31,7 +32,7 @@ public class EmptyGameDispatcher extends GameDispatcher {
 	}
 
 	@Override
-	public void onMove(Move move) {
+	public void onMove(Move move, boolean captured) {
 	}
 
 	@Override
@@ -43,7 +44,7 @@ public class EmptyGameDispatcher extends GameDispatcher {
 	}
 
 	@Override
-	public void onPlayerTurn(Color color) {
+	public void onPlayerTurn(Color color, boolean undone) {
 	}
 
 	@Override
@@ -58,4 +59,20 @@ public class EmptyGameDispatcher extends GameDispatcher {
 	public void onWin(Color winner) {
 	}
 
+	@Override
+	public void onCastling(boolean bigCastling) {
+	}
+
+	@Override
+	public void onPawnPromoted(PromoteType promotion) {
+	}
+
+	@Override
+	public void addListener(GameListener listener) {
+	}
+
+	@Override
+	public void close() {
+	}
+
 }

app/src/main/java/chess/controller/event/GameAdaptator.java

@@ -1,5 +1,6 @@
 package chess.controller.event;
 
+import chess.controller.commands.PromoteCommand.PromoteType;
 import chess.model.Color;
 import chess.model.Coordinate;
 import chess.model.Move;
@@ -7,7 +8,7 @@ import chess.model.Move;
 public abstract class GameAdaptator implements GameListener {
 
 	@Override
-	public void onPlayerTurn(Color color) {}
+	public void onPlayerTurn(Color color, boolean undone) {}
 
 	@Override
 	public void onWin(Color color) {}
@@ -37,7 +38,7 @@ public abstract class GameAdaptator implements GameListener {
 	public void onGameEnd() {}
 
 	@Override
-	public void onMove(Move move) {}
+	public void onMove(Move move, boolean captured) {}
 
 	@Override
 	public void onMoveNotAllowed(Move move) {}
@@ -45,4 +46,10 @@ public abstract class GameAdaptator implements GameListener {
 	@Override
 	public void onDraw() {}
 
+	@Override
+	public void onCastling(boolean bigCastling) {}
+
+	@Override
+	public void onPawnPromoted(PromoteType promotion) {}
+
 }

app/src/main/java/chess/controller/event/GameDispatcher.java

@@ -1,100 +1,9 @@
 package chess.controller.event;
 
-import java.util.ArrayList;
+public abstract class GameDispatcher extends GameAdaptator {
-import java.util.List;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-import java.util.function.Consumer;
 
-import chess.model.Color;
+	public abstract void addListener(GameListener listener);
-import chess.model.Coordinate;
-import chess.model.Move;
 
-public class GameDispatcher implements GameListener {
+	public abstract void close();
-
-	private final List<GameListener> listeners;
-	private final ExecutorService executor;
-
-	public GameDispatcher() {
-		this.listeners = new ArrayList<>();
-		this.executor = Executors.newSingleThreadExecutor();
-	}
-
-	public void addListener(GameListener listener) {
-		this.listeners.add(listener);
-	}
-
-	private void asyncForEachCall(Consumer<GameListener> func) {
-		this.executor.execute(() -> this.listeners.forEach(func));
-	}
-
-	@Override
-	public void onPlayerTurn(Color color) {
-		asyncForEachCall((l) -> l.onPlayerTurn(color));
-	}
-
-	@Override
-	public void onWin(Color color) {
-		asyncForEachCall((l) -> l.onWin(color));
-	}
-
-	@Override
-	public void onKingInCheck() {
-		asyncForEachCall((l) -> l.onKingInCheck());
-	}
-
-	@Override
-	public void onKingInMat() {
-		asyncForEachCall((l) -> l.onKingInMat());
-	}
-
-	@Override
-	public void onPatSituation() {
-		asyncForEachCall((l) -> l.onPatSituation());
-	}
-
-	@Override
-	public void onSurrender(Color color) {
-		asyncForEachCall((l) -> l.onSurrender(color));
-	}
-
-	@Override
-	public void onGameStart() {
-		asyncForEachCall((l) -> l.onGameStart());
-	}
-
-	@Override
-	public void onPromotePawn(Coordinate pieceCoords) {
-		asyncForEachCall((l) -> l.onPromotePawn(pieceCoords));
-	}
-
-	@Override
-	public void onBoardUpdate() {
-		asyncForEachCall((l) -> l.onBoardUpdate());
-	}
-
-	@Override
-	public void onGameEnd() {
-		asyncForEachCall((l) -> l.onGameEnd());
-	}
-
-	@Override
-	public void onMove(Move move) {
-		asyncForEachCall((l) -> l.onMove(move));
-	}
-
-	@Override
-	public void onMoveNotAllowed(Move move) {
-		asyncForEachCall((l) -> l.onMoveNotAllowed(move));
-	}
-
-	@Override
-	public void onDraw() {
-		asyncForEachCall((l) -> l.onDraw());
-	}
-
-	public void stopService() {
-		this.executor.shutdown();
-	}
 	
 }

app/src/main/java/chess/controller/event/GameListener.java

@@ -1,5 +1,6 @@
 package chess.controller.event;
 
+import chess.controller.commands.PromoteCommand.PromoteType;
 import chess.model.Color;
 import chess.model.Coordinate;
 import chess.model.Move;
@@ -38,12 +39,15 @@ public interface GameListener {
 
 	/**
 	 * Invoked when a valid move on the board occurs
+	 * 
 	 * @param move the move to be processed
+	 * @param captured whether the move is a result of a capture
 	 */
-	void onMove(Move move);
+	void onMove(Move move, boolean captured);
 
 	/**
 	 * Invoked when a sent move is not allowed
+	 * 
 	 * @param move the move to be processed
 	 */
 	void onMoveNotAllowed(Move move);
@@ -55,26 +59,46 @@ public interface GameListener {
 
 	/**
 	 * Invoked when it's the player turn
+	 * 
 	 * @param color  the color of the player who should play
+	 * @param undone true if it's a result of an undo command
 	 */
-	void onPlayerTurn(Color color);
+	void onPlayerTurn(Color color, boolean undone);
 
 	/**
 	 * Invoked when a pawn should be promoted
+	 * 
 	 * @param pieceCoords the coordinates of the pawn
 	 */
 	void onPromotePawn(Coordinate pieceCoords);
 
 	/**
 	 * Invoked when a players surrenders
+	 * 
 	 * @param coward the player who gave up
 	 */
 	void onSurrender(Color coward);
 
 	/**
 	 * Invoked when a player wins (by checkmate or if the other one surrenders)
+	 * 
 	 * @param winner
 	 */
 	void onWin(Color winner);
 
+	/**
+	 * Invoked when a castling is done
+	 * 
+	 * @param bigCastling if it's queen side castling
+	 */
+	void onCastling(boolean bigCastling);
+
+	/**
+	 * Invoked when a pawn is promoted
+	 * 
+	 * @param promotion the type of promotion
+	 * @param player the player who promoted the pawns
+	 */
+	void onPawnPromoted(PromoteType promotion);
+
 }

app/src/main/java/chess/model/ChessBoard.java

@@ -4,7 +4,7 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Objects;
 
-import chess.model.visitor.KingIdentifier;
+import chess.model.pieces.King;
 import chess.model.visitor.PawnIdentifier;
 import chess.model.visitor.PiecePathChecker;
 
@@ -31,6 +31,10 @@ public class ChessBoard {
 	private Move lastMove;
 	private Piece lastEjectedPiece;
 
+	private List<Move> cachedAllowedMoves = null;
+
+	private final Coordinate kingPos[];
+
 	public ChessBoard() {
 		this.cells = new Cell[Coordinate.VALUE_MAX][Coordinate.VALUE_MAX];
 		for (int i = 0; i < Coordinate.VALUE_MAX; i++) {
@@ -41,6 +45,7 @@ public class ChessBoard {
 		this.lastVirtualMove = null;
 		this.lastMove = null;
 		this.lastEjectedPiece = null;
+		this.kingPos = new Coordinate[Color.values().length];
 	}
 
 	public void applyMove(Move move) {
@@ -98,6 +103,8 @@ public class ChessBoard {
 
 	public void pieceComes(Piece piece, Coordinate coordinate) {
 		cellAt(coordinate).setPiece(piece);
+		if (piece instanceof King)
+			this.kingPos[piece.getColor().ordinal()] = coordinate;
 	}
 
 	public void pieceLeaves(Coordinate coordinate) {
@@ -105,18 +112,19 @@ public class ChessBoard {
 	}
 
 	public Coordinate findKing(Color color) {
-		KingIdentifier kingIdentifier = new KingIdentifier(color);
+		// KingIdentifier kingIdentifier = new KingIdentifier(color);
-		for (int i = 0; i < Coordinate.VALUE_MAX; i++) {
+		// for (int i = 0; i < Coordinate.VALUE_MAX; i++) {
-			for (int j = 0; j < Coordinate.VALUE_MAX; j++) {
+		// 	for (int j = 0; j < Coordinate.VALUE_MAX; j++) {
-				Coordinate coordinate = new Coordinate(i, j);
+		// 		Coordinate coordinate = new Coordinate(i, j);
-				Piece piece = pieceAt(coordinate);
+		// 		Piece piece = pieceAt(coordinate);
-				if (kingIdentifier.isKing(piece)) {
+		// 		if (kingIdentifier.isKing(piece)) {
-					return coordinate;
+		// 			return coordinate;
-				}
+		// 		}
-			}
+		// 	}
-		}
+		// }
-		assert false : "No king found ?!";
+		// assert false : "No king found ?!";
-		return null;
+		// return null;
+		return kingPos[color.ordinal()];
 	}
 
 	public boolean isKingInCheck(Color color) {
@@ -127,7 +135,7 @@ public class ChessBoard {
 			for (int j = 0; j < Coordinate.VALUE_MAX; j++) {
 				Coordinate attackCoords = new Coordinate(i, j);
 				Piece attackPiece = pieceAt(attackCoords);
-				if (attackPiece == null)
+				if (attackPiece == null || attackPiece.getColor() == color)
 					continue;
 
 				PiecePathChecker checker = new PiecePathChecker(this, new Move(attackCoords, kingPos));
@@ -143,6 +151,10 @@ public class ChessBoard {
 	}
 
 	public List<Move> getAllowedMoves(Color player) {
+		if (this.cachedAllowedMoves != null) {
+			return this.cachedAllowedMoves;
+		}
+
 		List<Move> result = new ArrayList<>();
 
 		for (int x = 0; x < Coordinate.VALUE_MAX; x++) {
@@ -159,6 +171,11 @@ public class ChessBoard {
 						Coordinate destination = new Coordinate(i, j);
 						Move move = new Move(start, destination);
 
+						Piece destPiece = pieceAt(destination);
+
+						if (destPiece != null && destPiece.getColor() == player)
+							continue;
+
 						PiecePathChecker piecePathChecker = new PiecePathChecker(this,
 								move);
 						if (!piecePathChecker.isValid())
@@ -172,6 +189,7 @@ public class ChessBoard {
 				}
 			}
 		}
+		this.cachedAllowedMoves = result;
 		return result;
 	}
 
@@ -300,10 +318,11 @@ public class ChessBoard {
 
 	public void setLastMove(Move lastMove) {
 		this.lastMove = lastMove;
+		this.cachedAllowedMoves = null;
 	}
 
 	@Override
-	public boolean equals(Object obj){
+	public boolean equals(Object obj) {
 		if (obj instanceof ChessBoard board)
 			return board.hashCode() == this.hashCode();
 		return false;

app/src/main/java/chess/model/Game.java

@@ -20,8 +20,8 @@ public class Game {
 		Draw, Check, CheckMate, OnGoing, Pat;
 	}
 
-	public Game(ChessBoard board) {
+	public Game() {
-		this.board = board;
+		this.board = new ChessBoard();
 		this.movesHistory = new Stack<>();
 		this.traitsPos = new HashMap<>();
 	}
@@ -70,24 +70,27 @@ public class Game {
 		playerTurn = Color.getEnemy(playerTurn);
 	}
 
-	public GameStatus checkGameStatus() {
+	// this is the bottleneck of algorithms using this chess engine
-		final Color enemy = Color.getEnemy(getPlayerTurn());
+	public GameStatus checkGameStatus(Color color) {
-
 		if (checkDraw())
 			return GameStatus.Draw;
 
-		if (this.board.isKingInCheck(enemy))
+		if (this.board.isKingInCheck(color))
-			if (this.board.hasAllowedMoves(enemy))
+			if (this.board.hasAllowedMoves(color))
 				return GameStatus.Check;
 			else
 				return GameStatus.CheckMate;
 
-		if (!board.hasAllowedMoves(enemy))
+		if (!board.hasAllowedMoves(color))
 			return GameStatus.Pat;
 
 		return GameStatus.OnGoing;
 	}
 
+	public GameStatus checkGameStatus() {
+		return checkGameStatus(Color.getEnemy(getPlayerTurn()));
+	}
+
 	public void addAction(PlayerCommand command) {
 		this.movesHistory.add(command);
 	}
@@ -119,4 +122,8 @@ public class Game {
 		return this.movesHistory;
 	}
 
+	public boolean pawnShouldBePromoted() {
+		return this.board.pawnShouldBePromoted();
+	}
+
 }

app/src/main/java/chess/model/PermissiveGame.java

@@ -0,0 +1,20 @@
+package chess.model;
+
+public class PermissiveGame extends Game {
+
+	@Override
+	public GameStatus checkGameStatus(Color color) {
+		return GameStatus.OnGoing;
+	}
+
+	@Override
+	public void undoTraitPiecesPos() {
+		
+	}
+
+	@Override
+	public void saveTraitPiecesPos() {
+		
+	}
+
+}

app/src/main/java/chess/pgn/PgnExport.java

@@ -11,7 +11,6 @@ import chess.controller.commands.MoveCommand;
 import chess.controller.commands.NewGameCommand;
 import chess.controller.commands.PromoteCommand;
 import chess.controller.event.EmptyGameDispatcher;
-import chess.model.ChessBoard;
 import chess.model.Color;
 import chess.model.Coordinate;
 import chess.model.Game;
@@ -22,7 +21,7 @@ import chess.model.pieces.Pawn;
 public class PgnExport {
 
 	// public static void main(String[] args) {
-	// 	final Game game = new Game(new ChessBoard());
+	// final Game game = new Game();
 	// final CommandExecutor commandExecutor = new CommandExecutor(game);
 
 	// DumbAI ai1 = new DumbAI(commandExecutor, Color.White);
@@ -57,15 +56,15 @@ public class PgnExport {
 	}
 
 	private static String gameEnd(Game game) {
-		switch (game.checkGameStatus()) {
+		switch (game.checkGameStatus(game.getPlayerTurn())) {
 			case Draw:
 			case Pat:
 				return "1/2-1/2";
 
 			case CheckMate:
 				if (game.getPlayerTurn() == Color.White)
-					return "1-0";
 					return "0-1";
+				return "1-0";
 
 			default:
 				return "";
@@ -138,7 +137,7 @@ public class PgnExport {
 	}
 
 	private static String checkCheckMate(Game game) {
-		switch (game.checkGameStatus()) {
+		switch (game.checkGameStatus(game.getPlayerTurn())) {
 			case CheckMate:
 				return "#";
 
@@ -190,8 +189,7 @@ public class PgnExport {
 
 	public static String exportGame(Game game) {
 
-		ChessBoard board = new ChessBoard();
+		Game virtualGame = new Game();
-		Game virtualGame = new Game(board);
 
 		CommandExecutor executor = new CommandExecutor(virtualGame, new EmptyGameDispatcher());
 		executor.executeCommand(new NewGameCommand());

app/src/main/java/chess/simulator/EnPassantTest.java

@@ -0,0 +1,29 @@
+package chess.simulator;
+
+import chess.controller.CommandExecutor;
+import chess.model.Coordinate;
+import chess.model.Move;
+
+import java.util.Arrays;
+import java.util.List;
+
+public class EnPassantTest extends Simulator{
+
+    public EnPassantTest(CommandExecutor commandExecutor) {
+        super(commandExecutor);
+    }
+
+
+    @Override
+    protected List<Move> getMoves() {
+        return Arrays.asList(
+                // white pawn
+                new Move(new Coordinate(4, 6), new Coordinate(4, 4)),
+                // black pawn 1
+                new Move(new Coordinate(4, 1), new Coordinate(4, 2)),
+                // white pawn
+                new Move(new Coordinate(4, 4), new Coordinate(4, 3)),
+                // black pawn #2
+                new Move(new Coordinate(3, 1), new Coordinate(3, 3)));
+    }
+}

app/src/main/java/chess/view/DDDrender/Camera.java

@@ -1,4 +1,4 @@
-package chess.view.render;
+package chess.view.DDDrender;
 
 import org.joml.Matrix4f;
 import org.joml.Vector3f;

app/src/main/java/chess/view/DDDrender/ElementBuffer.java

@@ -1,4 +1,4 @@
-package chess.view.render;
+package chess.view.DDDrender;
 
 import org.lwjgl.opengl.GL30;
 

app/src/main/java/chess/view/DDDrender/Renderer.java

@@ -1,12 +1,11 @@
-package chess.view.render;
+package chess.view.DDDrender;
+
+import static org.lwjgl.opengl.GL11.GL_UNSIGNED_INT;
 
 import org.joml.Vector3f;
-import org.lwjgl.opengl.*;
+import org.lwjgl.opengl.GL30;
 
-import chess.model.Coordinate;
+import chess.view.DDDrender.shader.BoardShader;
-import chess.view.render.shader.BoardShader;
-
-import static org.lwjgl.opengl.GL30.*;
 
 public class Renderer {
 	private BoardShader shader;
@@ -60,42 +59,16 @@ public class Renderer {
 		return positions;
 	}
 
-	private Coordinate GetCellFromColor(Vector3f color) {
-		int offset = 1;
-
-		if (color.x > 0.5) {
-			color = new Vector3f(1.0f, 1.0f, 1.0f).sub(color);
-			offset = 0;
-		}
-
-		int r = (int) (color.x * 255.0f);
-		int g = (int) (color.y * 255.0f);
-		int b = (int) (color.z * 255.0f);
-
-		int index = (r + g + b) * 2 + offset;
-
-		return Coordinate.fromIndex(index);
-	}
-
-	private Vector3f GetCellColor(int x, int y) {
-		float index = (y * BOARD_WIDTH + x) / 2.0f;
-		float r = (int) (index / 3) / 255.0f;
-		float g = (int) ((index + 1) / 3) / 255.0f;
-		float b = (int) ((index + 2) / 3) / 255.0f;
-		if ((x + y) % 2 != 0) {
-			System.out.println(GetCellFromColor(new Vector3f(1.0f - r - 1.0f / 255.0f, 1.0f - g - 1.0f / 255.0f, 1.0f - b - 1.0f / 255.0f)));
-			return new Vector3f(1.0f - r - 1.0f / 255.0f, 1.0f - g - 1.0f / 255.0f, 1.0f - b - 1.0f / 255.0f);
-		} else {
-			System.out.println(GetCellFromColor(new Vector3f(r, g, b)));
-			return new Vector3f(r, g, b);
-		}
-	}
-
 	private float[] GetBoardColors() {
 		float[] colors = new float[BOARD_SIZE * SQUARE_VERTEX_COUNT * 3];
-		for (int j = 0; j < BOARD_HEIGHT; j++) {
 		for (int i = 0; i < BOARD_WIDTH; i++) {
-				Vector3f color = GetCellColor(i, j);
+			for (int j = 0; j < BOARD_HEIGHT; j++) {
+				Vector3f color;
+				if ((i + j) % 2 != 0) {
+					color = new Vector3f(1.0f, 1.0f, 1.0f);
+				} else {
+					color = new Vector3f(0.0f, 0.0f, 0.0f);
+				}
 				int squareIndex = i * BOARD_WIDTH + j;
 				for (int k = 0; k < SQUARE_VERTEX_COUNT; k++) {
 					colors[squareIndex * SQUARE_VERTEX_COUNT * 3 + k * 3] = color.x;
@@ -136,12 +109,6 @@ public class Renderer {
 		this.vao.Unbind();
 	}
 
-	public Coordinate GetSelectedCell() {
-		float pixels[] = new float[3];
-		GL30.glReadPixels(500, 500, 1, 1, GL_RGB, GL_FLOAT, pixels);
-		return GetCellFromColor(new Vector3f(pixels[0], pixels[1], pixels[2]));
-	}
-
 	public void Render(Camera cam) {
 		this.shader.Start();
 		this.shader.SetCamMatrix(cam.getMatrix());

app/src/main/java/chess/view/DDDrender/VertexArray.java

@@ -1,4 +1,4 @@
-package chess.view.render;
+package chess.view.DDDrender;
 
 import java.util.ArrayList;
 import java.util.List;

app/src/main/java/chess/view/DDDrender/VertexAttribPointer.java

@@ -1,4 +1,4 @@
-package chess.view.render;
+package chess.view.DDDrender;
 
 public record VertexAttribPointer(int index, int size, int offset) {
 	

app/src/main/java/chess/view/DDDrender/VertexBuffer.java

@@ -1,4 +1,4 @@
-package chess.view.render;
+package chess.view.DDDrender;
 
 import static org.lwjgl.opengl.GL11.GL_FLOAT;
 

app/src/main/java/chess/view/DDDrender/Window.java

@@ -1,16 +1,10 @@
-package chess.view.render;
+package chess.view.DDDrender;
 
 import org.lwjgl.*;
 import org.lwjgl.glfw.*;
 import org.lwjgl.opengl.*;
 import org.lwjgl.system.*;
 
-import chess.controller.CommandExecutor;
-import chess.controller.event.GameListener;
-import chess.model.Color;
-import chess.model.Coordinate;
-import chess.model.Move;
-
 import java.nio.*;
 
 import static org.lwjgl.glfw.Callbacks.*;
@@ -19,20 +13,21 @@ import static org.lwjgl.opengl.GL11.*;
 import static org.lwjgl.system.MemoryStack.*;
 import static org.lwjgl.system.MemoryUtil.*;
 
-public class Window implements GameListener{
+public class Window {
 
 	// The window handle
 	private long window;
 
-	private final CommandExecutor commandExecutor;
-
 	private Renderer renderer;
 	private Camera cam;
 
-	public Window(CommandExecutor commandExecutor) {
+	public Window() {
 		this.renderer = new Renderer();
 		this.cam = new Camera();
-		this.commandExecutor = new CommandExecutor();
+	}
+
+	public static void main(String[] args) {
+		new Window().run();
 	}
 
 	public void run() {
@@ -123,8 +118,6 @@ public class Window implements GameListener{
 
 			render();
 
-			System.out.println(this.renderer.GetSelectedCell());
-
 			glfwSwapBuffers(window); // swap the color buffers
 
 			// Poll for window events. The key callback above will only be
@@ -143,82 +136,4 @@ public class Window implements GameListener{
 		}
 	}
 
-	@Override
-	public void onBoardUpdate() {
-		// TODO Auto-generated method stub
-		throw new UnsupportedOperationException("Unimplemented method 'onBoardUpdate'");
-	}
-
-	@Override
-	public void onDraw() {
-		// TODO Auto-generated method stub
-		throw new UnsupportedOperationException("Unimplemented method 'onDraw'");
-	}
-
-	@Override
-	public void onGameEnd() {
-		// TODO Auto-generated method stub
-		throw new UnsupportedOperationException("Unimplemented method 'onGameEnd'");
-	}
-
-	@Override
-	public void onGameStart() {
-		// TODO Auto-generated method stub
-		throw new UnsupportedOperationException("Unimplemented method 'onGameStart'");
-	}
-
-	@Override
-	public void onKingInCheck() {
-		// TODO Auto-generated method stub
-		throw new UnsupportedOperationException("Unimplemented method 'onKingInCheck'");
-	}
-
-	@Override
-	public void onKingInMat() {
-		// TODO Auto-generated method stub
-		throw new UnsupportedOperationException("Unimplemented method 'onKingInMat'");
-	}
-
-	@Override
-	public void onMove(Move move) {
-		// TODO Auto-generated method stub
-		throw new UnsupportedOperationException("Unimplemented method 'onMove'");
-	}
-
-	@Override
-	public void onMoveNotAllowed(Move move) {
-		// TODO Auto-generated method stub
-		throw new UnsupportedOperationException("Unimplemented method 'onMoveNotAllowed'");
-	}
-
-	@Override
-	public void onPatSituation() {
-		// TODO Auto-generated method stub
-		throw new UnsupportedOperationException("Unimplemented method 'onPatSituation'");
-	}
-
-	@Override
-	public void onPlayerTurn(Color color) {
-		// TODO Auto-generated method stub
-		throw new UnsupportedOperationException("Unimplemented method 'onPlayerTurn'");
-	}
-
-	@Override
-	public void onPromotePawn(Coordinate pieceCoords) {
-		// TODO Auto-generated method stub
-		throw new UnsupportedOperationException("Unimplemented method 'onPromotePawn'");
-	}
-
-	@Override
-	public void onSurrender(Color coward) {
-		// TODO Auto-generated method stub
-		throw new UnsupportedOperationException("Unimplemented method 'onSurrender'");
-	}
-
-	@Override
-	public void onWin(Color winner) {
-		// TODO Auto-generated method stub
-		throw new UnsupportedOperationException("Unimplemented method 'onWin'");
-	}
-
 }

app/src/main/java/chess/view/DDDrender/shader/BoardShader.java

@@ -1,4 +1,4 @@
-package chess.view.render.shader;
+package chess.view.DDDrender.shader;
 
 import org.joml.Matrix4f;
 

app/src/main/java/chess/view/DDDrender/shader/ShaderProgram.java

@@ -1,4 +1,4 @@
-package chess.view.render.shader;
+package chess.view.DDDrender.shader;
 
 import java.nio.FloatBuffer;
 import java.nio.IntBuffer;

app/src/main/java/chess/view/audio/AudioFiles.java

@@ -0,0 +1,63 @@
+package chess.view.audio;
+
+import java.io.BufferedInputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URI;
+import java.net.URISyntaxException;
+
+import chess.view.AssetManager;
+
+public class AudioFiles {
+
+	private static final String baseURL = "https://images.chesscomfiles.com/chess-themes/sounds/_WAV_/default/";
+	private static final String[] files = { "game-start", "game-end", "capture", "castle", "move-self",
+			"move-check", "promote", "illegal" };
+	private static final String filesExtension = ".wav";
+	private static final String saveDir = "audio/";
+
+	public static boolean initFiles() {
+		createSaveDir();
+		for (String file : files) {
+			if (!initFile(file + filesExtension))
+				return false;
+		}
+		return true;
+	}
+
+	private static boolean downloadFile(String fileName) {
+		System.out.println("[GameAudio] missing " + fileName + " Downloading ...");
+		try (BufferedInputStream in = new BufferedInputStream(new URI(baseURL + fileName).toURL().openStream());
+				FileOutputStream fileOutputStream = new FileOutputStream(saveDir + fileName)) {
+			byte dataBuffer[] = new byte[1024];
+			int bytesRead;
+			while ((bytesRead = in.read(dataBuffer, 0, 1024)) != -1) {
+				fileOutputStream.write(dataBuffer, 0, bytesRead);
+			}
+			return true;
+		} catch (IOException | URISyntaxException e) {
+			e.printStackTrace();
+			return false;
+		}
+	}
+
+	private static void createSaveDir() {
+		new File(saveDir).mkdir();
+	}
+
+	private static boolean initFile(String fileName) {
+		if (isFileDownloaded(saveDir + fileName))
+			return true;
+		return downloadFile(fileName);
+	}
+
+	private static boolean isFileDownloaded(String fileName) {
+		return AssetManager.getResource(fileName) != null;
+	}
+
+	public static InputStream getAudio(String audioName) {
+		return AssetManager.getResource(saveDir + audioName + filesExtension);
+	}
+}

app/src/main/java/chess/view/audio/AudioPlayer.java

@@ -0,0 +1,44 @@
+package chess.view.audio;
+
+import java.io.BufferedInputStream;
+import java.io.InputStream;
+
+import javax.sound.sampled.AudioFormat;
+import javax.sound.sampled.AudioInputStream;
+import javax.sound.sampled.AudioSystem;
+import javax.sound.sampled.Clip;
+
+public class AudioPlayer {
+	public static void playSound(InputStream audio) {
+		new Thread(new Runnable() {
+			// The wrapper thread is unnecessary, unless it blocks on the
+			// Clip finishing; see comments.
+			public void run() {
+				try {
+					Clip clip = AudioSystem.getClip();
+					BufferedInputStream bufferedInputStream = new BufferedInputStream(audio);
+					AudioInputStream inputStream = AudioSystem.getAudioInputStream(bufferedInputStream);
+					clip.open(inputStream);
+					clip.start();
+				} catch (Exception e) {
+					System.err.println(e.getMessage());
+				}
+			}
+		}).start();
+	}
+
+	private static AudioInputStream convertToPCM(AudioInputStream audioInputStream) {
+		AudioFormat m_format = audioInputStream.getFormat();
+
+		if ((m_format.getEncoding() != AudioFormat.Encoding.PCM_SIGNED) &&
+				(m_format.getEncoding() != AudioFormat.Encoding.PCM_UNSIGNED)) {
+			AudioFormat targetFormat = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED,
+					m_format.getSampleRate(), 16,
+					m_format.getChannels(), m_format.getChannels() * 2,
+					m_format.getSampleRate(), m_format.isBigEndian());
+			audioInputStream = AudioSystem.getAudioInputStream(targetFormat, audioInputStream);
+		}
+
+		return audioInputStream;
+	}
+}

app/src/main/java/chess/view/audio/GameAudio.java

@@ -0,0 +1,63 @@
+package chess.view.audio;
+
+import chess.controller.commands.PromoteCommand.PromoteType;
+import chess.controller.event.GameAdaptator;
+import chess.model.Move;
+
+public class GameAudio extends GameAdaptator {
+
+	private final boolean functional;
+
+	public GameAudio() {
+		this.functional = AudioFiles.initFiles();
+		if(!this.functional){
+			System.err.println("[GameAudio] Failed to initialize audio files. Aborting ...");
+		}
+	}
+
+	private void playSound(String soundName) {
+		if (!this.functional)
+			return;
+		AudioPlayer.playSound(AudioFiles.getAudio(soundName));
+	}
+
+	@Override
+	public void onGameStart() {
+		playSound("game-start");
+	}
+
+	@Override
+	public void onGameEnd() {
+		playSound("game-end");
+	}
+
+	@Override
+	public void onMoveNotAllowed(Move move) {
+		playSound("illegal");
+	}
+
+	@Override
+	public void onMove(Move move, boolean captured) {
+		if (captured) {
+			playSound("capture");
+			return;
+		}
+		playSound("move-self");
+	}
+
+	@Override
+	public void onKingInCheck() {
+		playSound("move-check");
+	}
+
+	@Override
+	public void onPawnPromoted(PromoteType promotion) {
+		playSound("promote");
+	}
+
+	@Override
+	public void onCastling(boolean bigCastling) {
+		playSound("castle");
+	}
+	
+}

app/src/main/java/chess/view/consolerender/Console.java

@@ -20,12 +20,17 @@ public class Console implements GameListener {
     private final Scanner scanner = new Scanner(System.in);
     private final CommandExecutor commandExecutor;
     private final ConsolePieceName consolePieceName = new ConsolePieceName();
-    private boolean captureInput = false;
+    private boolean captureInput;
     private final ExecutorService executor;
 
-    public Console(CommandExecutor commandExecutor) {
+    public Console(CommandExecutor commandExecutor, boolean captureInput) {
         this.commandExecutor = commandExecutor;
         this.executor = Executors.newSingleThreadExecutor();
+        this.captureInput = captureInput;
+    }
+
+    public Console(CommandExecutor commandExecutor) {
+        this(commandExecutor, true);
     }
 
     private Piece pieceAt(int x, int y) {
@@ -61,7 +66,7 @@ public class Console implements GameListener {
     }
 
     @Override
-    public void onPlayerTurn(Color color) {
+    public void onPlayerTurn(Color color, boolean undone) {
         if (!captureInput)
             return;
         System.out.println(Colors.RED + "Player turn: " + color + Colors.RESET);
@@ -265,7 +270,7 @@ public class Console implements GameListener {
     }
 
     @Override
-    public void onMove(Move move) {
+    public void onMove(Move move, boolean captured) {
     }
 
     @Override
@@ -328,4 +333,11 @@ public class Console implements GameListener {
         this.captureInput = captureInput;
     }
 
+    @Override
+    public void onCastling(boolean bigCastling) {}
+
+    @Override
+    public void onPawnPromoted(PromoteType promotion) {}
+    
+
 }

app/src/main/java/chess/view/simplerender/Window.java

@@ -74,15 +74,15 @@ public class Window extends JFrame implements GameListener {
 	}
 
 	private void buildButtons(JPanel bottom) {
-		castlingButton.addActionListener((event) -> {
+		castlingButton.addActionListener((_) -> {
 			sendCommand(new CastlingCommand(false));
 		});
 
-		bigCastlingButton.addActionListener((event) -> {
+		bigCastlingButton.addActionListener((_) -> {
 			sendCommand(new CastlingCommand(true));
 		});
 
-		undoButton.addActionListener((event) -> {
+		undoButton.addActionListener((_) -> {
 			sendCommand(new UndoCommand());
 		});
 
@@ -213,7 +213,7 @@ public class Window extends JFrame implements GameListener {
 	}
 
 	@Override
-	public void onPlayerTurn(chess.model.Color color) {
+	public void onPlayerTurn(chess.model.Color color, boolean undone) {
 		this.displayText.setText("Current turn: " + color);
 		updateButtons();
 	}
@@ -306,7 +306,7 @@ public class Window extends JFrame implements GameListener {
 	}
 
 	@Override
-	public void onMove(Move move) {}
+	public void onMove(Move move, boolean captured) {}
 
 	@Override
 	public void onMoveNotAllowed(Move move) {
@@ -318,4 +318,10 @@ public class Window extends JFrame implements GameListener {
 		JOptionPane.showMessageDialog(this, "Same position was repeated three times. It's a draw!");
 	}
 
+	@Override
+	public void onCastling(boolean bigCastling) {}
+
+	@Override
+	public void onPawnPromoted(PromoteType promotion) {}
+
 }

app/src/main/resources/3d/bishop.glb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e9de4cc336a3758a7285ca5dcc5c01409f1ff5d50e764f38857cdf5900590751
+size 1862504

app/src/main/resources/3d/king_darth_sidious.glb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3fba82d694608f48ba85224f9d1099ae6d884b4588e1e9b355b136824ba12993
+size 38924264

app/src/main/resources/3d/king_darth_sidious_solid.glb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e2b10052a3e58ff14020f737c4493266a9fae7bd8318527ebf32cddfb97b21fe
+size 40833600

app/src/main/resources/3d/king_yoda.glb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a6782c2627d0de0de695baaeaca286da3c77f443cc5788d8c3a0057406296776
+size 3503068

app/src/main/resources/3d/knight_darth_maul.glb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b714c3884dbcb0c8863ae8583c9dd61b5a3c4531e38bb5af8a403d7b69f52183
+size 2249344

app/src/main/resources/3d/knight_luke.glb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b3ebb87642f2f7f205dbfac65ed2bdef1ab4f4b67cf9929619d2e681004655cc
+size 15926128

app/src/main/resources/3d/pawn_r2d2.glb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c58aaab69205d56e6f41f94dc2c4e759d2d7cd43fa4fdd7cf615d21a6f18c30f
+size 5458016

app/src/main/resources/3d/pawn_strooper.glb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f2929607904bde363cbd4fc3766ba2f9a55b7d37f5e6d0c8ad6995dc311775a7
+size 10249428

app/src/main/resources/3d/piece.glb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:81da4beec7bf500fea31b5626c58edc2d9f575b3d5ef743b16854ca40e9d86c8
+size 2110080

app/src/main/resources/3d/queen_leia.glb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1d812a5ddd17844e71fa8216722413065b46b12ce37f9d5591d6120e29393686
+size 25214944

app/src/main/resources/3d/queen_lumiya.glb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:56f9ca7da9758b8f4801a829cf92b03c4ee3fbf4d306e55f1526236a12a8931d
+size 9602776

app/src/main/resources/3d/rook.glb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0cd5999920bf1919a6c37fbb3405272fe8721e915f3fd1dac9114a154cf23898
+size 19819784

app/src/main/resources/games/wendy.pgn

@@ -0,0 +1,12 @@
+1. e4 {1.e4 $1 A fiery start $1} 1... e5 {I like how this game is starting $1} 2. Nc3
+Bc5 {J'aime un feu chaud.} 3. Nf3 {It's too cold in here for my liking.} 3...
+Qf6 4. Nd5 Qd6 5. d3 c6 {A fiery position is what I seek $1} 6. Nc3 h6 7. a3 Qg6
+8. Nxe5 {Things are beginning to heat up, non $2} 8... Qd6 9. Nc4 Qe6 10. d4 Be7
+11. Ne3 b5 12. Nf5 d5 13. Nxg7+ {That's not very nice.} 13... Kd7 14. Nxe6
+{Brrrrrr. It is getting cold in here.} 14... fxe6 15. exd5 cxd5 16. Bf4 Nf6 17.
+Bxb5+ Kd8 18. Qf3 Bd7 19. Be5 {My attack is getting cold, I need to go get some
+more firewood $1} 19... a6 20. Bxf6 Re8 21. Bxe7+ Kxe7 22. Nxd5+ exd5 23. Qxd5
+Kf8+ {It's getting toasty in here $1} 24. Be2 Bc6 25. Qd6+ Re7 26. Kf1 Ba4 27. b3
+Nc6 28. bxa4 a5 29. Qxc6 Rd8 30. Qxh6+ Kg8 31. Bc4+ Rf7 32. Qg5+ Kh8 33. Bxf7
+{C'est très, très mauvais $1} 33... Kh7 34. Qg6+ Kh8 35. Ra2 Rxd4 36. Qg8# {Good
+play $1 I'll have to throw another log on the fire and try again.} 1-0

app/src/test/java/chess/AppTest.java

@@ -3,24 +3,20 @@
  */
 package chess;
 
+import org.junit.jupiter.api.Test;
+
 import chess.ai.DumbAI;
 import chess.controller.Command;
 import chess.controller.CommandExecutor;
 import chess.controller.commands.NewGameCommand;
 import chess.controller.commands.UndoCommand;
 import chess.controller.event.GameAdaptator;
-import chess.model.*;
+import chess.model.Color;
-import chess.model.pieces.*;
+import chess.model.Game;
-import chess.simulator.Simulator;
-import chess.view.simplerender.Window;
-import org.junit.jupiter.api.Test;
-
-import java.util.List;
-import java.util.Objects;
 
 class AppTest {
     @Test void functionalRollback(){
-        Game game = new Game(new ChessBoard());
+        Game game = new Game();
         CommandExecutor commandExecutor = new CommandExecutor(game);
 
         DumbAI ai = new DumbAI(commandExecutor, Color.Black);
@@ -38,9 +34,9 @@ class AppTest {
                     result = commandExecutor.executeCommand(new UndoCommand());
                 } while (result != Command.CommandResult.NotAllowed);
 
-                Game initialGame = new Game(new ChessBoard());
+                Game initialGame = new Game();
                 CommandExecutor initialCommandExecutor = new CommandExecutor(initialGame);
-                commandExecutor.executeCommand(new NewGameCommand());
+                initialCommandExecutor.executeCommand(new NewGameCommand());
 
                 assert(game.getBoard().equals(initialGame.getBoard()));