i failed you

app/build.gradle

@@ -39,10 +39,6 @@ application {
     applicationName = "3DChess"
 }
 
-run {
-    standardInput = System.in
-}
-
 jar {
     manifest {
         attributes 'Main-Class': application.mainClass

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

@@ -5,17 +5,26 @@ 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();
+        Game game = new Game(new ChessBoard());
         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

@@ -0,0 +1,33 @@
+package chess;
+
+import chess.ai.DumbAI;
+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());
+        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

@@ -1,10 +1,10 @@
 package chess;
 
-import chess.ai.AI;
+import chess.ai.DumbAI;
-import chess.ai.minimax.AlphaBetaAI;
 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;
@@ -12,20 +12,17 @@ import chess.view.simplerender.Window;
 
 public class SwingMain {
 	public static void main(String[] args) {
-        Game game = new Game();
+        Game game = new Game(new ChessBoard());
         CommandExecutor commandExecutor = new CommandExecutor(game);
 
         Window window = new Window(commandExecutor, false);
         commandExecutor.addListener(window);
 
-        AI ai = new AlphaBetaAI(commandExecutor, Color.Black, 5);
+        DumbAI ai = new DumbAI(commandExecutor, Color.Black);
         commandExecutor.addListener(ai);
 
-        // AI ai2 = new AlphaBetaAI(commandExecutor, Color.White, 5);
+        DumbAI ai2 = new DumbAI(commandExecutor, Color.White);
-        // commandExecutor.addListener(ai2);
+        commandExecutor.addListener(ai2);
-
-        // Window window2 = new Window(ai2.getSimulation(), false);
-        // ai2.getSimulation().addListener(window2);
 
         commandExecutor.addListener(new GameAdaptator(){
             @Override

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

@@ -1,81 +0,0 @@
-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

@@ -3,28 +3,46 @@ 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.CastlingResult;
+import chess.controller.commands.GetAllowedCastlingsCommand;
+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 AI {
+public class DumbAI extends GameAdaptator {
 
+	private final Color player;
+	private final CommandExecutor commandExecutor;
 	private final Random random = new Random();
 
 	public DumbAI(CommandExecutor commandExecutor, Color color) {
-		super(commandExecutor, color);
+		this.player = color;
+		this.commandExecutor = commandExecutor;
 	}
 
 	@Override
-	protected void play() {
+	public void onPlayerTurn(Color color) {
-		CastlingResult castlings = getAllowedCastlings();
+		if (color != player)
-		List<Move> moves = getAllowedMoves();
+			return;
+
+		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: {
@@ -35,12 +53,20 @@ public class DumbAI extends AI {
 				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(castlings == CastlingResult.Big));
+				this.commandExecutor.executeCommand(new CastlingCommand(true));
 				return;
 			}
 
@@ -50,12 +76,27 @@ public class DumbAI extends AI {
 
 		int randomMove = this.random.nextInt(moves.size());
 		this.commandExecutor.executeCommand(new MoveCommand(moves.get(randomMove)));
+
 	}
 
 	@Override
-	protected void promote(Coordinate pawnCoords) {
+	public void onPromotePawn(Coordinate pieceCoords) {
+		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

@@ -1,61 +0,0 @@
-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

@@ -1,67 +0,0 @@
-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

@@ -1,129 +0,0 @@
-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

@@ -1,89 +0,0 @@
-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;
-
-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 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;
-
-		System.out.println("Evaluating " + moves.size() + " moves ...");
-
-		for (Move move : moves) {
-			moveEvaluations.add(this.threadPool.submit(() -> {
-				return AlphaBetaThreadCreator.getMoveValue(move, this.searchDepth);
-			}));
-		}
-
-		for (int i = 0; i < moves.size(); i++) {
-			System.out.printf("Progress : %.2f %%    ", (float) (i) / moves.size() * 100.0f);
-			Move move = moves.get(i);
-			System.out.print("\r");
-			float value = MIN_FLOAT;
-			try {
-				value = moveEvaluations.get(i).get();
-			} catch (InterruptedException | ExecutionException e) {
-				e.printStackTrace();
-			}
-			if (value > bestMoveValue) {
-				bestMoveValue = value;
-				bestMove = move;
-			}
-		}
-
-		System.out.println("Best move : " + bestMoveValue + "                 ");
-
-		return bestMove;
-	}
-
-	@Override
-	public void onGameEnd() {
-		this.threadPool.close();
-	}
-
-	@Override
-	protected void play() {
-		long current = System.currentTimeMillis();
-		Move move = getBestMove();
-		long elapsed = System.currentTimeMillis() - current;
-		System.out.println("Took " + elapsed + "ms");
-		sendCommand(new MoveCommand(move));
-	}
-
-	@Override
-	protected void promote(Coordinate pawnCoords) {
-		sendCommand(new PromoteCommand(PromoteType.Queen));
-	}
-
-}

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

@@ -1,101 +0,0 @@
-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

@@ -1,36 +0,0 @@
-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

@@ -1,97 +0,0 @@
-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) {
-		sendCommand(new MoveCommand(move));
-	}
-
-	@Override
-	public void onGameStart() {
-		sendCommand(new NewGameCommand());
-	}
-
-	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

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

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

@@ -49,8 +49,6 @@ public class CastlingCommand extends PlayerCommand {
 		board.applyMove(this.kingMove);
 		board.applyMove(this.rookMove);
 
-		outputSystem.onCastling(this.bigCastling);
-
 		return CommandResult.Moved;
 	}
 

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

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

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

@@ -55,8 +55,6 @@ 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

@@ -1,113 +0,0 @@
-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) {
-		asyncForEachCall((l) -> l.onMove(move));
-	}
-
-	@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

@@ -1,6 +1,5 @@
 package chess.controller.event;
 
-import chess.controller.commands.PromoteCommand.PromoteType;
 import chess.model.Color;
 import chess.model.Coordinate;
 import chess.model.Move;
@@ -44,7 +43,7 @@ public class EmptyGameDispatcher extends GameDispatcher {
 	}
 
 	@Override
-	public void onPlayerTurn(Color color, boolean undone) {
+	public void onPlayerTurn(Color color) {
 	}
 
 	@Override
@@ -59,20 +58,4 @@ 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

@@ -1,6 +1,5 @@
 package chess.controller.event;
 
-import chess.controller.commands.PromoteCommand.PromoteType;
 import chess.model.Color;
 import chess.model.Coordinate;
 import chess.model.Move;
@@ -8,7 +7,7 @@ import chess.model.Move;
 public abstract class GameAdaptator implements GameListener {
 
 	@Override
-	public void onPlayerTurn(Color color, boolean undone) {}
+	public void onPlayerTurn(Color color) {}
 
 	@Override
 	public void onWin(Color color) {}
@@ -46,10 +45,4 @@ 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

@@ -1,9 +1,100 @@
 package chess.controller.event;
 
-public abstract class GameDispatcher extends GameAdaptator {
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.function.Consumer;
 
-	public abstract void addListener(GameListener listener);
+import chess.model.Color;
+import chess.model.Coordinate;
+import chess.model.Move;
 
-	public abstract void close();
+public class GameDispatcher implements GameListener {
+
+	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

@@ -1,6 +1,5 @@
 package chess.controller.event;
 
-import chess.controller.commands.PromoteCommand.PromoteType;
 import chess.model.Color;
 import chess.model.Coordinate;
 import chess.model.Move;
@@ -39,14 +38,12 @@ public interface GameListener {
 	
 	/**
 	 * Invoked when a valid move on the board occurs
-	 * 
 	 * @param move the move to be processed
 	 */
 	void onMove(Move move);
 
 	/**
 	 * Invoked when a sent move is not allowed
-	 * 
 	 * @param move the move to be processed
 	 */
 	void onMoveNotAllowed(Move move);
@@ -58,46 +55,26 @@ 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, boolean undone);
+	void onPlayerTurn(Color color);
 	
 	/**
 	 * 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.pieces.King;
+import chess.model.visitor.KingIdentifier;
 import chess.model.visitor.PawnIdentifier;
 import chess.model.visitor.PiecePathChecker;
 
@@ -31,10 +31,6 @@ 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++) {
@@ -45,7 +41,6 @@ public class ChessBoard {
 		this.lastVirtualMove = null;
 		this.lastMove = null;
 		this.lastEjectedPiece = null;
-		this.kingPos = new Coordinate[Color.values().length];
 	}
 
 	public void applyMove(Move move) {
@@ -103,8 +98,6 @@ 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) {
@@ -112,19 +105,18 @@ 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) {
@@ -135,7 +127,7 @@ 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 || attackPiece.getColor() == color)
+				if (attackPiece == null)
 					continue;
 
 				PiecePathChecker checker = new PiecePathChecker(this, new Move(attackCoords, kingPos));
@@ -151,10 +143,6 @@ 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++) {
@@ -171,11 +159,6 @@ 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())
@@ -189,7 +172,6 @@ public class ChessBoard {
 				}
 			}
 		}
-		this.cachedAllowedMoves = result;
 		return result;
 	}
 
@@ -318,11 +300,10 @@ 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() {
+	public Game(ChessBoard board) {
-		this.board = new ChessBoard();
+		this.board = board;
 		this.movesHistory = new Stack<>();
 		this.traitsPos = new HashMap<>();
 	}
@@ -70,27 +70,24 @@ public class Game {
 		playerTurn = Color.getEnemy(playerTurn);
 	}
 
-	// this is the bottleneck of algorithms using this chess engine
+	public GameStatus checkGameStatus() {
-	public GameStatus checkGameStatus(Color color) {
+		final Color enemy = Color.getEnemy(getPlayerTurn());
+
 		if (checkDraw())
 			return GameStatus.Draw;
 
-		if (this.board.isKingInCheck(color))
+		if (this.board.isKingInCheck(enemy))
-			if (this.board.hasAllowedMoves(color))
+			if (this.board.hasAllowedMoves(enemy))
 				return GameStatus.Check;
 			else
 				return GameStatus.CheckMate;
 
-		if (!board.hasAllowedMoves(color))
+		if (!board.hasAllowedMoves(enemy))
 			return GameStatus.Pat;
 
 		return GameStatus.OnGoing;
 	}
 
-	public GameStatus checkGameStatus() {
-		return checkGameStatus(Color.getEnemy(getPlayerTurn()));
-	}
-
 	public void addAction(PlayerCommand command) {
 		this.movesHistory.add(command);
 	}
@@ -122,8 +119,4 @@ public class Game {
 		return this.movesHistory;
 	}
 
-	public boolean pawnShouldBePromoted() {
-		return this.board.pawnShouldBePromoted();
-	}
-
 }

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

@@ -1,20 +0,0 @@
-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

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

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

@@ -20,17 +20,12 @@ 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;
+    private boolean captureInput = false;
     private final ExecutorService executor;
 
-    public Console(CommandExecutor commandExecutor, boolean captureInput) {
+    public Console(CommandExecutor commandExecutor) {
         this.commandExecutor = commandExecutor;
         this.executor = Executors.newSingleThreadExecutor();
-        this.captureInput = captureInput;
-    }
-
-    public Console(CommandExecutor commandExecutor) {
-        this(commandExecutor, true);
     }
 
     private Piece pieceAt(int x, int y) {
@@ -66,7 +61,7 @@ public class Console implements GameListener {
     }
 
     @Override
-    public void onPlayerTurn(Color color, boolean undone) {
+    public void onPlayerTurn(Color color) {
         if (!captureInput)
             return;
         System.out.println(Colors.RED + "Player turn: " + color + Colors.RESET);
@@ -333,11 +328,4 @@ 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/render/Renderer.java

@@ -3,6 +3,7 @@ package chess.view.render;
 import org.joml.Vector3f;
 import org.lwjgl.opengl.*;
 
+import chess.model.Coordinate;
 import chess.view.render.shader.BoardShader;
 
 import static org.lwjgl.opengl.GL30.*;
@@ -59,16 +60,42 @@ 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 i = 0; i < BOARD_WIDTH; i++) {
 		for (int j = 0; j < BOARD_HEIGHT; j++) {
-				Vector3f color;
+			for (int i = 0; i < BOARD_WIDTH; i++) {
-				if ((i + j) % 2 != 0) {
+				Vector3f color = GetCellColor(i, j);
-					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;
@@ -109,6 +136,12 @@ 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/render/Window.java

@@ -5,6 +5,12 @@ 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.*;
@@ -13,17 +19,20 @@ import static org.lwjgl.opengl.GL11.*;
 import static org.lwjgl.system.MemoryStack.*;
 import static org.lwjgl.system.MemoryUtil.*;
 
-public class Window {
+public class Window implements GameListener{
 
 	// The window handle
 	private long window;
 
+	private final CommandExecutor commandExecutor;
+
 	private Renderer renderer;
 	private Camera cam;
 
-	public Window() {
+	public Window(CommandExecutor commandExecutor) {
 		this.renderer = new Renderer();
 		this.cam = new Camera();
+		this.commandExecutor = new CommandExecutor();
 	}
 
 	public void run() {
@@ -114,6 +123,8 @@ public class Window {
 
 			render();
 
+			System.out.println(this.renderer.GetSelectedCell());
+
 			glfwSwapBuffers(window); // swap the color buffers
 
 			// Poll for window events. The key callback above will only be
@@ -132,4 +143,82 @@ public class Window {
 		}
 	}
 
+	@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/simplerender/Window.java

@@ -213,7 +213,7 @@ public class Window extends JFrame implements GameListener {
 	}
 
 	@Override
-	public void onPlayerTurn(chess.model.Color color, boolean undone) {
+	public void onPlayerTurn(chess.model.Color color) {
 		this.displayText.setText("Current turn: " + color);
 		updateButtons();
 	}
@@ -318,10 +318,4 @@ 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/games/wendy.pgn

@@ -1,12 +0,0 @@
-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

@@ -3,20 +3,24 @@
  */
 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.Color;
+import chess.model.*;
-import chess.model.Game;
+import chess.model.pieces.*;
+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();
+        Game game = new Game(new ChessBoard());
         CommandExecutor commandExecutor = new CommandExecutor(game);
 
         DumbAI ai = new DumbAI(commandExecutor, Color.Black);
@@ -34,9 +38,9 @@ class AppTest {
                     result = commandExecutor.executeCommand(new UndoCommand());
                 } while (result != Command.CommandResult.NotAllowed);
 
-                Game initialGame = new Game();
+                Game initialGame = new Game(new ChessBoard());
                 CommandExecutor initialCommandExecutor = new CommandExecutor(initialGame);
-                initialCommandExecutor.executeCommand(new NewGameCommand());
+                commandExecutor.executeCommand(new NewGameCommand());
 
                 assert(game.getBoard().equals(initialGame.getBoard()));