ignore classes

.gitattributes

@@ -3,7 +3,7 @@
 #
 # 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
+
-*.fbx filter=lfs diff=lfs merge=lfs -text

.gitignore

@@ -5,5 +5,3 @@
 build
 
 app/bin
-
-.vscode

app/build.gradle

@@ -17,7 +17,7 @@ repositories {
 }
 
 def lwjgl_version = "3.3.6"
-def lwjgl_natives = "natives-linux"
+def lwjgl_natives = "natives-windows"
 
 dependencies {
     // Use JUnit Jupiter for testing.
@@ -26,29 +26,16 @@ dependencies {
     implementation "org.lwjgl:lwjgl:$lwjgl_version"
     implementation "org.lwjgl:lwjgl-opengl:$lwjgl_version"
     implementation "org.lwjgl:lwjgl-glfw:$lwjgl_version"
-    implementation "org.lwjgl:lwjgl-assimp:$lwjgl_version"
     implementation "org.joml:joml:1.10.8"
 
     implementation "org.lwjgl:lwjgl::$lwjgl_natives"
     implementation "org.lwjgl:lwjgl-opengl::$lwjgl_natives"
     implementation "org.lwjgl:lwjgl-glfw::$lwjgl_natives"
-    implementation "org.lwjgl:lwjgl-assimp::$lwjgl_natives"
 }
 
 application {
     // Define the main class for the application.
     mainClass = "chess.App"
-    applicationName = "3DChess"
-}
-
-jar {
-    manifest {
-        attributes 'Main-Class': application.mainClass
-    }
-}
-
-run {
-    standardInput = System.in
 }
 
 tasks.named('test') {

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

@@ -1,30 +1,16 @@
+/*
+ * This Java source file was generated by the Gradle 'init' task.
+ */
 package chess;
 
-import java.util.Scanner;
+import chess.view.render2D.Window;
-
-import chess.view.consolerender.Colors;
 
 public class App {
+    public String getGreeting() {
+        return "Hello World!";
+    }
+
     public static void main(String[] args) {
-        System.out.println(Colors.RED + "Credits: Grenier Lilas, Pribylski Simon." + Colors.RESET);
+        Window.main(args);
-        System.out.println("""
-                Pick the version to use:
-                    1 - Console
-                    2 - Window
-                    3 - 3D.""");
-        switch (new Scanner(System.in).nextLine()) {
-            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

@@ -1,21 +0,0 @@
-/*
- * This Java source file was generated by the Gradle 'init' task.
- */
-package chess;
-
-import chess.controller.CommandExecutor;
-import chess.controller.commands.NewGameCommand;
-import chess.model.Game;
-import chess.view.consolerender.Console;
-
-public class ConsoleMain {
-    public static void main(String[] args) {
-        Game game = new Game();
-        CommandExecutor commandExecutor = new CommandExecutor(game);
-
-        Console console = new Console(commandExecutor);
-        commandExecutor.addListener(console);
-        
-        commandExecutor.executeCommand(new NewGameCommand());
-    }
-}

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

@@ -1,21 +0,0 @@
-package chess;
-
-import chess.controller.CommandExecutor;
-import chess.controller.commands.NewGameCommand;
-import chess.model.Game;
-import chess.view.DDDrender.DDDView;
-
-public class OpenGLMain {
-	public static void main(String[] args) {
-        Game game = new Game();
-        CommandExecutor commandExecutor = new CommandExecutor(game);
-
-        DDDView ddd = new DDDView(commandExecutor);
-        commandExecutor.addListener(ddd);
-        
-        commandExecutor.executeCommand(new NewGameCommand());
-
-        ddd.run();
-        commandExecutor.close();
-    }
-}

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

@@ -1,36 +0,0 @@
-package chess;
-
-import chess.ai.DumbAI;
-import chess.ai.HungryAI;
-import chess.controller.CommandExecutor;
-import chess.controller.commands.NewGameCommand;
-import chess.controller.event.GameAdaptator;
-import chess.model.Color;
-import chess.model.Game;
-import chess.pgn.PgnExport;
-import chess.view.simplerender.Window;
-
-public class SwingMain {
-	public static void main(String[] args) {
-        Game game = new Game();
-        CommandExecutor commandExecutor = new CommandExecutor(game);
-
-        Window window = new Window(commandExecutor, false);
-        commandExecutor.addListener(window);
-
-        DumbAI ai = new DumbAI(commandExecutor, Color.Black);
-        commandExecutor.addListener(ai);
-
-        HungryAI ai2 = new HungryAI(commandExecutor, Color.White);
-        commandExecutor.addListener(ai2);
-
-        commandExecutor.addListener(new GameAdaptator(){
-            @Override
-            public void onGameEnd() {
-                System.out.println(PgnExport.exportGame(game));
-            }
-        });
-
-        commandExecutor.executeCommand(new NewGameCommand());
-    }
-}

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

@@ -1,68 +0,0 @@
-package chess.ai;
-
-import java.util.List;
-
-import chess.controller.Command;
-import chess.controller.CommandExecutor;
-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() {
-		GetPlayerMovesCommand cmd = new GetPlayerMovesCommand();
-		sendCommand(cmd);
-		return cmd.getMoves();
-	}
-
-	protected CastlingResult getAllowedCastlings() {
-		GetAllowedCastlingsCommand cmd2 = new GetAllowedCastlingsCommand();
-		sendCommand(cmd2);
-		return cmd2.getCastlingResult();
-	}
-
-	protected void sendCommand(Command command) {
-		this.commandExecutor.executeCommand(command);
-	}
-	
-}

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

@@ -1,61 +0,0 @@
-package chess.ai;
-
-import java.util.List;
-import java.util.Random;
-
-import chess.controller.CommandExecutor;
-import chess.controller.commands.CastlingCommand;
-import chess.controller.commands.GetAllowedCastlingsCommand.CastlingResult;
-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 DumbAI extends AI {
-
-	private final Random random = new Random();
-
-	public DumbAI(CommandExecutor commandExecutor, Color color) {
-		super(commandExecutor, color);
-	}
-
-	@Override
-	protected void play() {
-		CastlingResult castlings = getAllowedCastlings();
-		List<Move> moves = getAllowedMoves();
-
-		switch (castlings) {
-			case Both: {
-				int randomMove = this.random.nextInt(moves.size() + 2);
-				if (randomMove < moves.size() - 2)
-					break;
-				this.commandExecutor.executeCommand(new CastlingCommand(randomMove == moves.size()));
-				return;
-			}
-
-			case Small:
-			case Big: {
-				int randomMove = this.random.nextInt(moves.size() + 1);
-				if (randomMove != moves.size())
-					break;
-				this.commandExecutor.executeCommand(new CastlingCommand(castlings == CastlingResult.Big));
-				return;
-			}
-
-			default:
-				break;
-		}
-
-		int randomMove = this.random.nextInt(moves.size());
-		this.commandExecutor.executeCommand(new MoveCommand(moves.get(randomMove)));
-	}
-
-	@Override
-	protected void promote(Coordinate pawnCoords) {
-		int promote = this.random.nextInt(PromoteType.values().length);
-		this.commandExecutor.executeCommand(new PromoteCommand(PromoteType.values()[promote]));
-	}
-
-}

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 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

@@ -1,60 +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<Integer> {
-
-	private final Color player;
-
-	public PieceCost(Color color) {
-		this.player = color;
-	}
-
-	public int getCost(Piece piece) {
-		if (piece == null)
-			return 0;
-		int cost = visit(piece);
-		if (piece.getColor() == player)
-			cost = -cost;
-		return cost;
-	}
-
-	@Override
-	public Integer visitPiece(Bishop bishop) {
-		return 3;
-	}
-
-	@Override
-	public Integer visitPiece(King king) {
-		return 90;
-	}
-
-	@Override
-	public Integer visitPiece(Knight knight) {
-		return 3;
-	}
-
-	@Override
-	public Integer visitPiece(Pawn pawn) {
-		return 1;
-	}
-
-	@Override
-	public Integer visitPiece(Queen queen) {
-		return 9;
-	}
-
-	@Override
-	public Integer visitPiece(Rook rook) {
-		return 5;
-	}
-
-}

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

@@ -1,23 +0,0 @@
-package chess.controller;
-
-import chess.controller.event.GameListener;
-import chess.model.Game;
-
-public abstract class Command {
-
-	public enum CommandResult {
-		/**
-		 * The command was successfull. Should update display and switch player turn.
-		 */
-		Moved,
-		/** The command was successfull. Should not update anything */
-		NotMoved,
-		/** The command was successfull. Should only update display */
-		ActionNeeded,
-		/** The command was not successfull */
-		NotAllowed;
-	}
-
-	public abstract CommandResult execute(Game game, GameListener outputSystem);
-
-}

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

@@ -1,112 +0,0 @@
-package chess.controller;
-
-import chess.controller.Command.CommandResult;
-import chess.controller.commands.UndoCommand;
-import chess.controller.event.GameDispatcher;
-import chess.controller.event.GameListener;
-import chess.model.Game;
-import chess.model.Game.GameStatus;
-
-public class CommandExecutor {
-
-	private Game game;
-	private final GameDispatcher dispatcher;
-
-	public CommandExecutor() {
-		this(null);
-	}
-
-	public CommandExecutor(Game game) {
-		this(game, new GameDispatcher());
-	}
-	
-	public CommandExecutor(Game game, GameDispatcher dispatcher) {
-		this.game = game;
-		this.dispatcher = dispatcher;
-	}
-
-	public synchronized CommandResult executeCommand(Command command) {
-		assert this.game != null : "No input game specified !";
-
-		CommandResult result = command.execute(this.game, this.dispatcher);
-
-		// non player commands are not supposed to return move result
-		assert result != CommandResult.Moved || command instanceof PlayerCommand || command instanceof UndoCommand;
-
-		processResult(command, result);
-
-		if (command instanceof PlayerCommand playerCommand && result != CommandResult.NotAllowed)
-			this.game.addAction(playerCommand);
-
-		return result;
-	}
-
-	private void processResult(Command command, CommandResult result) {
-		switch (result) {
-			case NotAllowed:
-			case NotMoved:
-				return;
-
-			case ActionNeeded:
-				this.dispatcher.onBoardUpdate();
-				return;
-
-			case Moved:
-				this.dispatcher.onBoardUpdate();
-				if (checkGameStatus()) {
-					this.dispatcher.onGameEnd();
-					return;
-				}
-				switchPlayerTurn(command instanceof UndoCommand);
-				return;
-		}
-	}
-
-	private void switchPlayerTurn(boolean undone) {
-		this.game.switchPlayerTurn();
-		this.dispatcher.onPlayerTurn(this.game.getPlayerTurn(), undone);
-	}
-
-	/**
-	 * 
-	 * @return True if the game is over
-	 */
-	private boolean checkGameStatus() {
-		GameStatus gameStatus = this.game.checkGameStatus();
-
-		switch (gameStatus) {
-			case Draw:
-				this.dispatcher.onDraw();
-				return true;
-			case Check:
-				this.dispatcher.onKingInCheck();
-				return false;
-
-			case CheckMate:
-				this.dispatcher.onKingInMat();
-				this.dispatcher.onWin(this.game.getPlayerTurn());
-				return true;
-
-			case OnGoing:
-				return false;
-
-			case Pat:
-				this.dispatcher.onPatSituation();
-				return true;
-		}
-
-		return false;
-	}
-
-	public void addListener(GameListener listener) {
-		this.dispatcher.addListener(listener);
-	}
-
-	public void setGame(Game game) {
-		this.game = game;
-	}
-
-	public void close() {
-		this.dispatcher.stopService();
-	}
-}

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

@@ -0,0 +1,29 @@
+package chess.controller;
+
+import chess.model.Coordinates;
+import chess.model.Game;
+import chess.model.Move;
+import chess.view.render2D.Window;
+
+public class Controller {
+    private final Game game;
+    private final Window view;
+
+    public Controller(Game game, Window view) {
+        this.game = game;
+        this.view = view;
+    }
+
+    /**
+     *
+     * @param from Coordinates: old coordinates
+     * @param to Coordinates: new coordinates
+     */
+    public void sendMove(Coordinates from, Coordinates to) {
+        System.out.println("New move: " + from + " to " + to);
+        game.setMove(new Move(from, to));
+    }
+
+
+
+}

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

@@ -1,15 +0,0 @@
-package chess.controller;
-
-import chess.controller.event.GameListener;
-import chess.model.Game;
-
-public abstract class PlayerCommand extends Command{
-
-	public CommandResult undo(Game game, GameListener outputSystem) {
-		CommandResult result = undoImpl(game, outputSystem);
-		game.updateLastMove();
-		return result;
-	}
-
-	protected abstract CommandResult undoImpl(Game game, GameListener outputSystem);
-}

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

@@ -1,67 +0,0 @@
-package chess.controller.commands;
-
-import chess.controller.PlayerCommand;
-import chess.controller.event.GameListener;
-import chess.model.ChessBoard;
-import chess.model.Color;
-import chess.model.Coordinate;
-import chess.model.Game;
-import chess.model.Move;
-
-public class CastlingCommand extends PlayerCommand {
-
-	private Move kingMove;
-	private Move rookMove;
-	private final boolean bigCastling;
-
-	public CastlingCommand(boolean bigCastling) {
-		this.bigCastling = bigCastling;
-	}
-
-	@Override
-	public CommandResult execute(Game game, GameListener outputSystem) {
-		final ChessBoard board = game.getBoard();
-
-		// we must promote the pending pawn before
-		if (board.pawnShouldBePromoted())
-			return CommandResult.NotAllowed;
-
-		if (bigCastling && !board.canBigCastle(game.getPlayerTurn()))
-			return CommandResult.NotAllowed;
-
-		if (!bigCastling && !board.canSmallCastle(game.getPlayerTurn()))
-			return CommandResult.NotAllowed;
-
-		int rookBeginX = bigCastling ? 0 : 7;
-		int rookEndX = bigCastling ? 3 : 5;
-
-		int kingBeginX = 4;
-		int kingEndX = bigCastling ? 2 : 6;
-
-		int colorLine = game.getPlayerTurn() == Color.White ? 7 : 0;
-
-		Coordinate kingCoords = new Coordinate(kingBeginX, colorLine);
-		Coordinate rookCoords = new Coordinate(rookBeginX, colorLine);
-
-		this.kingMove = new Move(kingCoords, new Coordinate(kingEndX, colorLine));
-		this.rookMove = new Move(rookCoords, new Coordinate(rookEndX, colorLine));
-
-		board.applyMove(this.kingMove);
-		board.applyMove(this.rookMove);
-
-		return CommandResult.Moved;
-	}
-
-	public boolean isBigCastling() {
-		return bigCastling;
-	}
-
-	@Override
-	protected CommandResult undoImpl(Game game, GameListener outputSystem) {
-		game.getBoard().undoMove(this.kingMove, null);
-		game.getBoard().undoMove(this.rookMove, null);
-
-		return CommandResult.Moved;
-	}
-
-}

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

@@ -1,37 +0,0 @@
-package chess.controller.commands;
-
-import chess.controller.Command;
-import chess.controller.event.GameListener;
-import chess.model.Game;
-
-public class GetAllowedCastlingsCommand extends Command{
-
-	public enum CastlingResult {
-		None, Small, Big, Both;
-	}
-
-	private CastlingResult castlingResult;
-
-	public GetAllowedCastlingsCommand() {}
-
-	@Override
-	public CommandResult execute(Game game, GameListener outputSystem) {
-		boolean canSmallCastle = game.getBoard().canSmallCastle(game.getPlayerTurn());
-		boolean canBigCastle = game.getBoard().canBigCastle(game.getPlayerTurn());
-
-		int result = 0;
-		if (canSmallCastle)
-			result += 1;
-		if (canBigCastle)
-			result += 2;
-
-		this.castlingResult = CastlingResult.values()[result];
-
-		return CommandResult.NotMoved;
-	}
-
-	public CastlingResult getCastlingResult() {
-		return castlingResult;
-	}
-	
-}

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

@@ -1,41 +0,0 @@
-package chess.controller.commands;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import chess.controller.Command;
-import chess.controller.event.GameListener;
-import chess.model.ChessBoard;
-import chess.model.Coordinate;
-import chess.model.Game;
-import chess.model.Piece;
-
-public class GetAllowedMovesPieceCommand extends Command {
-
-	private final Coordinate start;
-	private List<Coordinate> destinations;
-
-	public GetAllowedMovesPieceCommand(Coordinate start) {
-		this.start = start;
-		this.destinations = new ArrayList<>();
-	}
-
-	@Override
-	public CommandResult execute(Game game, GameListener outputSystem) {
-		final ChessBoard board = game.getBoard();
-		Piece piece = board.pieceAt(start);
-
-		if (piece == null)
-			return CommandResult.NotAllowed;
-
-		if (piece.getColor() != game.getPlayerTurn())
-			return CommandResult.NotAllowed;
-
-		this.destinations = board.getAllowedMoves(start);
-		return CommandResult.NotMoved;
-	}
-
-	public List<Coordinate> getDestinations() {
-		return destinations;
-	}
-}

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

@@ -1,33 +0,0 @@
-package chess.controller.commands;
-
-import chess.controller.Command;
-import chess.controller.event.GameListener;
-import chess.model.Coordinate;
-import chess.model.Game;
-import chess.model.Piece;
-
-public class GetPieceAtCommand extends Command{
-
-	private final Coordinate pieceCoords;
-	private Piece piece;
-
-	public GetPieceAtCommand(Coordinate pieceCoords) {
-		this.pieceCoords = pieceCoords;
-		this.piece = null;
-	}
-
-	@Override
-	public CommandResult execute(Game game, GameListener outputSystem) {
-		if (!pieceCoords.isValid())
-			return CommandResult.NotAllowed;
-
-		this.piece = game.getBoard().pieceAt(pieceCoords);
-
-		return CommandResult.NotMoved;
-	}
-
-	public Piece getPiece() {
-		return piece;
-	}
-
-}

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

@@ -1,24 +0,0 @@
-package chess.controller.commands;
-
-import java.util.List;
-
-import chess.controller.Command;
-import chess.controller.event.GameListener;
-import chess.model.Game;
-import chess.model.Move;
-
-public class GetPlayerMovesCommand extends Command {
-
-	private List<Move> moves;
-
-	@Override
-	public CommandResult execute(Game game, GameListener outputSystem) {
-		this.moves = game.getBoard().getAllowedMoves(game.getPlayerTurn());
-		return CommandResult.NotMoved;
-	}
-
-	public List<Move> getMoves() {
-		return moves;
-	}
-
-}

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

@@ -1,105 +0,0 @@
-package chess.controller.commands;
-
-import chess.controller.PlayerCommand;
-import chess.controller.event.GameListener;
-import chess.model.ChessBoard;
-import chess.model.Coordinate;
-import chess.model.Game;
-import chess.model.Move;
-import chess.model.Piece;
-import chess.model.visitor.PiecePathChecker;
-
-public class MoveCommand extends PlayerCommand {
-
-	private final Move move;
-	private Piece deadPiece;
-
-	public MoveCommand(Move move) {
-		this.move = move;
-		this.deadPiece = null;
-	}
-
-	public Move getMove() {
-		return move;
-	}
-
-	public Piece getDeadPiece() {
-		return deadPiece;
-	}
-
-	@Override
-	public CommandResult execute(Game game, GameListener outputSystem) {
-		CommandResult result = processMove(game, outputSystem);
-
-		switch (result) {
-			case NotAllowed:
-				outputSystem.onMoveNotAllowed(this.move);
-				return result;
-
-			case Moved:
-				outputSystem.onMove(this.move);
-				game.saveTraitPiecesPos();
-				return result;
-
-			case ActionNeeded:
-			case NotMoved:
-				return result;
-		}
-
-		return null;
-	}
-
-	private CommandResult processMove(Game game, GameListener outputSystem) {
-		final ChessBoard board = game.getBoard();
-
-		// we must promote the pending pawn before
-		if (board.pawnShouldBePromoted())
-			return CommandResult.NotAllowed;
-
-		Piece piece = board.pieceAt(move.getStart());
-		if (piece == null)
-			return CommandResult.NotAllowed;
-
-		if (piece.getColor() != game.getPlayerTurn())
-			return CommandResult.NotAllowed;
-
-		boolean valid = new PiecePathChecker(board, move).isValid();
-		if (!valid)
-			return CommandResult.NotAllowed;
-
-		this.deadPiece = board.pieceAt(move.getDeadPieceCoords());
-		board.applyMove(move);
-
-		if (board.isKingInCheck(game.getPlayerTurn())) {
-			board.undoLastMove();
-			return CommandResult.NotAllowed;
-		}
-
-		if (tryPromote(game, outputSystem)) {
-			return CommandResult.ActionNeeded;
-		}
-
-		board.setLastMove(this.move);
-
-		return CommandResult.Moved;
-	}
-
-	@Override
-	protected CommandResult undoImpl(Game game, GameListener outputSystem) {
-		final ChessBoard board = game.getBoard();
-
-		game.undoTraitPiecesPos();
-		board.undoMove(move, deadPiece);
-		return CommandResult.Moved;
-	}
-
-	private boolean tryPromote(Game game, GameListener outputSystem) {
-		Coordinate pawnPos = game.getBoard().pawnPromotePosition();
-
-		if (pawnPos == null)
-			return false;
-
-		outputSystem.onPromotePawn(pawnPos);
-		return true;
-	}
-}

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

@@ -1,58 +0,0 @@
-package chess.controller.commands;
-
-import chess.controller.Command;
-import chess.controller.event.GameListener;
-import chess.model.ChessBoard;
-import chess.model.Color;
-import chess.model.Coordinate;
-import chess.model.Game;
-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 NewGameCommand extends Command {
-	public CommandResult execute(Game game, GameListener outputSystem) {
-		final ChessBoard board = game.getBoard();
-
-		board.clearBoard();
-
-		for (int i = 0; i < 8; i++) {
-			board.pieceComes(new Pawn(Color.Black), new Coordinate(i, 1));
-			board.pieceComes(new Pawn(Color.White), new Coordinate(i, Coordinate.VALUE_MAX - 2));
-		}
-
-		board.pieceComes(new Rook(Color.Black), new Coordinate(0, 0));
-		board.pieceComes(new Rook(Color.Black), new Coordinate(Coordinate.VALUE_MAX - 1, 0));
-
-		board.pieceComes(new Rook(Color.White), new Coordinate(0, Coordinate.VALUE_MAX - 1));
-		board.pieceComes(new Rook(Color.White), new Coordinate(Coordinate.VALUE_MAX - 1, Coordinate.VALUE_MAX - 1));
-
-		board.pieceComes(new Knight(Color.Black), new Coordinate(1, 0));
-		board.pieceComes(new Knight(Color.Black), new Coordinate(Coordinate.VALUE_MAX - 2, 0));
-
-		board.pieceComes(new Knight(Color.White), new Coordinate(1, Coordinate.VALUE_MAX - 1));
-		board.pieceComes(new Knight(Color.White), new Coordinate(Coordinate.VALUE_MAX - 2, Coordinate.VALUE_MAX - 1));
-
-		board.pieceComes(new Bishop(Color.Black), new Coordinate(2, 0));
-		board.pieceComes(new Bishop(Color.Black), new Coordinate(Coordinate.VALUE_MAX - 3, 0));
-
-		board.pieceComes(new Bishop(Color.White), new Coordinate(2, Coordinate.VALUE_MAX - 1));
-		board.pieceComes(new Bishop(Color.White), new Coordinate(Coordinate.VALUE_MAX - 3, Coordinate.VALUE_MAX - 1));
-
-		board.pieceComes(new Queen(Color.Black), new Coordinate(3, 0));
-		board.pieceComes(new King(Color.Black), new Coordinate(4, 0));
-
-		board.pieceComes(new Queen(Color.White), new Coordinate(3, Coordinate.VALUE_MAX - 1));
-		board.pieceComes(new King(Color.White), new Coordinate(4, Coordinate.VALUE_MAX - 1));
-
-		game.reset();
-
-		outputSystem.onGameStart();
-		outputSystem.onPlayerTurn(game.getPlayerTurn(), false);
-
-		return CommandResult.NotMoved;
-	}
-}

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

@@ -1,101 +0,0 @@
-package chess.controller.commands;
-
-import chess.controller.PlayerCommand;
-import chess.controller.event.GameListener;
-import chess.model.ChessBoard;
-import chess.model.Color;
-import chess.model.Coordinate;
-import chess.model.Game;
-import chess.model.Piece;
-import chess.model.pieces.Bishop;
-import chess.model.pieces.Knight;
-import chess.model.pieces.Queen;
-import chess.model.pieces.Rook;
-import chess.model.visitor.PawnIdentifier;
-
-public class PromoteCommand extends PlayerCommand {
-
-	public enum PromoteType {
-		Queen,
-		Rook,
-		Bishop,
-		Knight
-	}
-
-	private final PromoteType promoteType;
-	private Coordinate pieceCoords;
-	private Piece oldPawn;
-
-	public PromoteCommand(PromoteType promoteType) {
-		this.promoteType = promoteType;
-		this.pieceCoords = null;
-		this.oldPawn = null;
-	}
-
-	@Override
-	public CommandResult execute(Game game, GameListener outputSystem) {
-		final ChessBoard board = game.getBoard();
-
-		this.pieceCoords = board.pawnPromotePosition();
-
-		if (this.pieceCoords == null)
-			return CommandResult.NotAllowed;
-
-		Piece pawn = board.pieceAt(this.pieceCoords);
-		if (!new PawnIdentifier(game.getPlayerTurn()).isPawn(pawn))
-			return CommandResult.NotAllowed;
-
-		int destY = this.pieceCoords.getY();
-
-		int enemyLine = pawn.getColor() == Color.White ? 0 : 7;
-
-		if (destY != enemyLine)
-			return CommandResult.NotAllowed;
-
-		this.oldPawn = pawn;
-		board.pieceComes(createPiece(this.promoteType, pawn.getColor()), this.pieceCoords);
-
-		return CommandResult.Moved;
-	}
-
-	private Piece createPiece(PromoteType promoteType, Color color) {
-		switch (promoteType) {
-			case Queen:
-				return new Queen(color);
-
-			case Bishop:
-				return new Bishop(color);
-
-			case Knight:
-				return new Knight(color);
-
-			case Rook:
-				return new Rook(color);
-
-			default:
-				return null;
-		}
-	}
-
-	@Override
-	protected CommandResult undoImpl(Game game, GameListener outputSystem) {
-		final ChessBoard board = game.getBoard();
-
-		Piece promoted = board.pieceAt(this.pieceCoords);
-
-		assert promoted != null;
-
-		game.undoTraitPiecesPos();
-
-		board.pieceComes(this.oldPawn, this.pieceCoords);
-
-		game.getLastAction().undo(game, outputSystem);
-
-		return CommandResult.Moved;
-	}
-
-	public PromoteType getPromoteType() {
-		return promoteType;
-	}
-
-}

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

@@ -1,24 +0,0 @@
-package chess.controller.commands;
-
-import chess.controller.Command;
-import chess.controller.event.GameListener;
-import chess.model.Color;
-import chess.model.Game;
-
-public class SurrenderCommand extends Command {
-
-	private final Color player;
-
-	public SurrenderCommand(Color player) {
-		this.player = player;
-	}
-
-	@Override
-	public CommandResult execute(Game game, GameListener outputSystem) {
-		outputSystem.onSurrender(player);
-		outputSystem.onWin(Color.getEnemy(player));
-		outputSystem.onGameEnd();
-		return CommandResult.NotMoved;
-	}
-	
-}

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

@@ -1,19 +0,0 @@
-package chess.controller.commands;
-
-import chess.controller.Command;
-import chess.controller.PlayerCommand;
-import chess.controller.event.GameListener;
-import chess.model.Game;
-
-public class UndoCommand extends Command{
-
-	@Override
-	public CommandResult execute(Game game, GameListener outputSystem) {
-		PlayerCommand lastAction = game.getLastAction();
-		if (lastAction == null) 
-			return CommandResult.NotAllowed;
-		
-		return lastAction.undo(game, outputSystem);
-	}
-	
-}

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

@@ -1,61 +0,0 @@
-package chess.controller.event;
-
-import chess.model.Color;
-import chess.model.Coordinate;
-import chess.model.Move;
-
-public class EmptyGameDispatcher extends GameDispatcher {
-
-	@Override
-	public void onBoardUpdate() {
-	}
-
-	@Override
-	public void onDraw() {
-	}
-
-	@Override
-	public void onGameEnd() {
-	}
-
-	@Override
-	public void onGameStart() {
-	}
-
-	@Override
-	public void onKingInCheck() {
-	}
-
-	@Override
-	public void onKingInMat() {
-	}
-
-	@Override
-	public void onMove(Move move) {
-	}
-
-	@Override
-	public void onMoveNotAllowed(Move move) {
-	}
-
-	@Override
-	public void onPatSituation() {
-	}
-
-	@Override
-	public void onPlayerTurn(Color color, boolean undone) {
-	}
-
-	@Override
-	public void onPromotePawn(Coordinate pieceCoords) {
-	}
-
-	@Override
-	public void onSurrender(Color coward) {
-	}
-
-	@Override
-	public void onWin(Color winner) {
-	}
-	
-}

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

@@ -1,48 +0,0 @@
-package chess.controller.event;
-
-import chess.model.Color;
-import chess.model.Coordinate;
-import chess.model.Move;
-
-public abstract class GameAdaptator implements GameListener {
-
-	@Override
-	public void onPlayerTurn(Color color, boolean undone) {}
-
-	@Override
-	public void onWin(Color color) {}
-
-	@Override
-	public void onKingInCheck() {}
-
-	@Override
-	public void onKingInMat() {}
-
-	@Override
-	public void onPatSituation() {}
-
-	@Override
-	public void onSurrender(Color color) {}
-
-	@Override
-	public void onGameStart() {}
-
-	@Override
-	public void onPromotePawn(Coordinate pieceCoords) {}
-
-	@Override
-	public void onBoardUpdate() {}
-
-	@Override
-	public void onGameEnd() {}
-
-	@Override
-	public void onMove(Move move) {}
-
-	@Override
-	public void onMoveNotAllowed(Move move) {}
-
-	@Override
-	public void onDraw() {}
-
-}

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

@@ -1,100 +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.model.Color;
-import chess.model.Coordinate;
-import chess.model.Move;
-
-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, 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());
-	}
-
-	public void stopService() {
-		this.executor.shutdown();
-	}
-
-}

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

@@ -1,81 +0,0 @@
-package chess.controller.event;
-
-import chess.model.Color;
-import chess.model.Coordinate;
-import chess.model.Move;
-
-public interface GameListener {
-
-	/**
-	 * Invoked when the display of the board should be updated
-	 */
-	void onBoardUpdate();
-
-	/**
-	 * Invoked when a draw occurs (same position is repeated three times)
-	 */
-	void onDraw();
-	
-	/**
-	 * Invoked when the game has ended (by a win or a draw)
-	 */
-	void onGameEnd();
-
-	/**
-	 * Invoked when the game has started
-	 */
-	void onGameStart();
-	
-	/**
-	 * Invoked when a king is in check
-	 */
-	void onKingInCheck();
-
-	/**
-	 * Invoked when a checkmate occurs
-	 */
-	void onKingInMat();
-	
-	/**
-	 * 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);
-	
-	/**
-	 * Invoked when a pat situation occurs
-	 */
-	void onPatSituation();
-	
-	/**
-	 * 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);
-	
-	/**
-	 * 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);
-
-}

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

@@ -0,0 +1,17 @@
+package chess.model;
+
+import java.util.ArrayList;
+
+public abstract class AccessibleCellsDecorator {
+    public AccessibleCellsDecorator base;
+    public ArrayList<Cell> cells;
+    protected abstract ArrayList<Cell> getAccessibleCells();
+    public AccessibleCellsDecorator(AccessibleCellsDecorator base) {
+        this.base = base;
+    }
+    public AccessibleCellsDecorator() {
+        this(null);
+    }
+
+
+}

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

@@ -0,0 +1,81 @@
+package chess.model;
+
+import chess.model.pieces.*;
+
+public class Board {
+    private final Cell[][] cells;
+    private static final int WHITE = 0;
+    private static final int BLACK = 1;
+
+    public Board(int size) {
+        cells = new Cell[size][size];
+        for (int y = 0; y < size; y++) {
+            for (int x = 0; x < size; x++) {
+                cells[y][x] = new Cell();
+            }
+        }
+        setPieces();
+    }
+
+    public Board() {
+        this(8);
+    }
+
+    public Cell getCell(Coordinates coordinates) {
+        return cells[coordinates.getX()][coordinates.getY()];
+    }
+
+    public int getSize() {
+        return cells.length;
+    }
+
+    public void setPieces() throws Error {
+        if (this.getSize() == 8) {
+            setPiecesSize8();
+        } else {
+            throw new Error("Oops. This isn't implemented yet.");
+        }
+    }
+
+    public void setPiecesSize8() {
+        for (int i = 0; i < 8; i++) {
+            cells[i][1].setPiece(new Pawn(BLACK, this, cells[i][1]));
+            cells[i][6].setPiece(new Pawn(WHITE, this, cells[i][6]));
+        }
+
+        for (int i = 0; i <= 7; i += 7) {
+            cells[i][0].setPiece(new Rook(BLACK, this, cells[i][0]));
+            cells[i][7].setPiece(new Rook(WHITE, this, cells[i][7]));
+        }
+        for (int i = 1; i <= 6; i += 5) {
+            cells[i][0].setPiece(new Knight(BLACK, this, cells[i][0]));
+            cells[i][7].setPiece(new Knight(WHITE, this, cells[i][7]));
+        }
+        for (int i = 2; i <= 5; i += 3) {
+            cells[i][0].setPiece(new Bishop(BLACK, this, cells[i][0]));
+            cells[i][7].setPiece(new Bishop(WHITE, this, cells[i][7]));
+        }
+        cells[3][0].setPiece(new Queen(BLACK, this, cells[3][0]));
+        cells[3][7].setPiece(new Queen(WHITE, this, cells[3][7]));
+        cells[4][0].setPiece(new King(BLACK, this, cells[4][0]));
+        cells[4][7].setPiece(new King(WHITE, this, cells[4][7]));
+    }
+
+    public Piece getPiece(Coordinates coordinates) {
+        return getCell(coordinates).getPiece();
+    }
+
+    public void movePiece(Move move) throws Error {
+        Piece movingPiece = getPiece(move.getStart());
+        Cell arrivalCell = getCell(move.getEnd());
+        getCell(move.getStart()).deletePiece();
+        arrivalCell.setPiece(movingPiece);
+        movingPiece.setPosition(arrivalCell);
+    }
+
+    public Cell getRelativePosition(Coordinates coordinates) {
+        // todo
+        return null;
+    }
+
+}

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

@@ -0,0 +1,25 @@
+package chess.model;
+
+public class Cell {
+    private Piece piece = null;
+
+    public Cell(Piece piece) {
+        this.piece = piece;
+    }
+
+    public Cell(){
+        this.piece = null;
+    }
+
+    public void setPiece(Piece piece) {
+        this.piece = piece;
+    }
+
+    public void deletePiece() {
+        this.piece = null;
+    }
+
+    public Piece getPiece() {
+        return piece;
+    }
+}

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

@@ -1,312 +0,0 @@
-package chess.model;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Objects;
-
-import chess.model.visitor.KingIdentifier;
-import chess.model.visitor.PawnIdentifier;
-import chess.model.visitor.PiecePathChecker;
-
-public class ChessBoard {
-	public static class Cell {
-		private Piece piece;
-
-		public Cell() {
-			this.piece = null;
-		}
-
-		public Piece getPiece() {
-			return piece;
-		}
-
-		public void setPiece(Piece piece) {
-			this.piece = piece;
-		}
-
-	}
-
-	private final Cell[][] cells;
-	private Move lastVirtualMove;
-	private Move lastMove;
-	private Piece lastEjectedPiece;
-
-	public ChessBoard() {
-		this.cells = new Cell[Coordinate.VALUE_MAX][Coordinate.VALUE_MAX];
-		for (int i = 0; i < Coordinate.VALUE_MAX; i++) {
-			for (int j = 0; j < Coordinate.VALUE_MAX; j++) {
-				this.cells[i][j] = new Cell();
-			}
-		}
-		this.lastVirtualMove = null;
-		this.lastMove = null;
-		this.lastEjectedPiece = null;
-	}
-
-	public void applyMove(Move move) {
-		assert move.isValid() : "Invalid move !";
-		Piece deadPiece = pieceAt(move.getDeadPieceCoords());
-		if (deadPiece != null) {
-			this.lastEjectedPiece = deadPiece;
-		} else {
-			this.lastEjectedPiece = null;
-		}
-		Piece movingPiece = pieceAt(move.getStart());
-		pieceLeaves(move.getDeadPieceCoords());
-		pieceLeaves(move.getStart());
-		pieceComes(movingPiece, move.getFinish());
-		movingPiece.move();
-		this.lastVirtualMove = move;
-	}
-
-	public void undoLastMove() {
-		assert this.lastVirtualMove != null : "Can't undo at the beginning!";
-
-		undoMove(this.lastVirtualMove, this.lastEjectedPiece);
-	}
-
-	public void undoMove(Move move, Piece deadPiece) {
-		Piece movingPiece = pieceAt(move.getFinish());
-		pieceComes(movingPiece, move.getStart());
-		pieceLeaves(move.getFinish());
-		pieceComes(deadPiece, move.getDeadPieceCoords());
-		assert movingPiece != null;
-		movingPiece.unMove();
-	}
-
-	public boolean isCellEmpty(Coordinate coordinate) {
-		return pieceAt(coordinate) == null;
-	}
-
-	public Piece pieceAt(Coordinate coordinate) {
-		if (!coordinate.isValid())
-			return null;
-		return cellAt(coordinate).getPiece();
-	}
-
-	public void clearBoard() {
-		for (int i = 0; i < Coordinate.VALUE_MAX; i++) {
-			for (int j = 0; j < Coordinate.VALUE_MAX; j++) {
-				pieceLeaves(new Coordinate(i, j));
-			}
-		}
-	}
-
-	private Cell cellAt(Coordinate coordinate) {
-		return this.cells[coordinate.getX()][coordinate.getY()];
-	}
-
-	public void pieceComes(Piece piece, Coordinate coordinate) {
-		cellAt(coordinate).setPiece(piece);
-	}
-
-	public void pieceLeaves(Coordinate coordinate) {
-		cellAt(coordinate).setPiece(null);
-	}
-
-	public Coordinate findKing(Color color) {
-		KingIdentifier kingIdentifier = new KingIdentifier(color);
-		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 = pieceAt(coordinate);
-				if (kingIdentifier.isKing(piece)) {
-					return coordinate;
-				}
-			}
-		}
-		assert false : "No king found ?!";
-		return null;
-	}
-
-	public boolean isKingInCheck(Color color) {
-		Coordinate kingPos = findKing(color);
-		assert kingPos.isValid() : "King position is invalid!";
-
-		for (int i = 0; i < Coordinate.VALUE_MAX; i++) {
-			for (int j = 0; j < Coordinate.VALUE_MAX; j++) {
-				Coordinate attackCoords = new Coordinate(i, j);
-				Piece attackPiece = pieceAt(attackCoords);
-				if (attackPiece == null)
-					continue;
-
-				PiecePathChecker checker = new PiecePathChecker(this, new Move(attackCoords, kingPos));
-				if (checker.isValid())
-					return true;
-			}
-		}
-		return false;
-	}
-
-	public boolean hasAllowedMoves(Color player) {
-		return !getAllowedMoves(player).isEmpty();
-	}
-
-	public List<Move> getAllowedMoves(Color player) {
-		List<Move> result = new ArrayList<>();
-
-		for (int x = 0; x < Coordinate.VALUE_MAX; x++) {
-			for (int y = 0; y < Coordinate.VALUE_MAX; y++) {
-
-				Coordinate start = new Coordinate(x, y);
-
-				Piece piece = pieceAt(start);
-				if (piece == null || piece.getColor() != player)
-					continue;
-
-				for (int i = 0; i < Coordinate.VALUE_MAX; i++) {
-					for (int j = 0; j < Coordinate.VALUE_MAX; j++) {
-						Coordinate destination = new Coordinate(i, j);
-						Move move = new Move(start, destination);
-
-						PiecePathChecker piecePathChecker = new PiecePathChecker(this,
-								move);
-						if (!piecePathChecker.isValid())
-							continue;
-
-						applyMove(move);
-						if (!isKingInCheck(player))
-							result.add(move);
-						undoLastMove();
-					}
-				}
-			}
-		}
-		return result;
-	}
-
-	public List<Coordinate> getAllowedMoves(Coordinate pieceCoords) {
-		Piece piece = pieceAt(pieceCoords);
-		if (piece == null)
-			return null;
-
-		Color player = piece.getColor();
-
-		List<Coordinate> result = new ArrayList<>();
-
-		for (int i = 0; i < Coordinate.VALUE_MAX; i++) {
-			for (int j = 0; j < Coordinate.VALUE_MAX; j++) {
-				Coordinate destination = new Coordinate(i, j);
-				Move move = new Move(pieceCoords, destination);
-
-				PiecePathChecker piecePathChecker = new PiecePathChecker(this,
-						move);
-				if (!piecePathChecker.isValid())
-					continue;
-
-				applyMove(move);
-				if (!isKingInCheck(player))
-					result.add(destination);
-				undoLastMove();
-			}
-		}
-		return result;
-	}
-
-	private boolean canCastle(Color color, int rookX, Direction kingDirection) {
-		if (isKingInCheck(color))
-			return false;
-
-		int colorLine = color == Color.White ? 7 : 0;
-
-		Coordinate kingCoords = new Coordinate(4, colorLine);
-		Coordinate rookCoords = new Coordinate(rookX, colorLine);
-		Piece king = pieceAt(kingCoords);
-		Piece rook = pieceAt(rookCoords);
-
-		if (king == null || rook == null || king.hasMoved() || rook.hasMoved())
-			return false;
-
-		for (int step = 1; step <= 2; step++) {
-			Coordinate dest = Coordinate.fromIndex(kingCoords.toIndex() + step * kingDirection.getIndexOffset());
-			Piece obstacle = pieceAt(dest);
-			if (obstacle != null)
-				return false;
-
-			applyMove(new Move(kingCoords, dest));
-			if (isKingInCheck(color)) {
-				undoLastMove();
-				return false;
-			}
-			undoLastMove();
-		}
-
-		Coordinate rookObstacleCoords = Coordinate.fromIndex(rookCoords.toIndex() - kingDirection.getIndexOffset());
-		Piece obstacle = pieceAt(rookObstacleCoords);
-
-		return obstacle == null;
-	}
-
-	public boolean canSmallCastle(Color color) {
-		return canCastle(color, 7, Direction.Right);
-	}
-
-	public boolean canBigCastle(Color color) {
-		return canCastle(color, 0, Direction.Left);
-	}
-
-	public boolean pawnShouldBePromoted() {
-		return pawnPromotePosition() != null;
-	}
-
-	/**
-	 * 
-	 * @return Null if there is no pawn to promote
-	 */
-	public Coordinate pawnPromotePosition() {
-		Coordinate piecePos = pawnPromotePosition(Color.White);
-		if (piecePos != null)
-			return piecePos;
-		return pawnPromotePosition(Color.Black);
-	}
-
-	/**
-	 * 
-	 * @return Null if there is no pawn to promote
-	 */
-	private Coordinate pawnPromotePosition(Color color) {
-		int enemyLineY = color == Color.White ? 0 : 7;
-		PawnIdentifier identifier = new PawnIdentifier(color);
-
-		for (int x = 0; x < Coordinate.VALUE_MAX; x++) {
-			Coordinate pieceCoords = new Coordinate(x, enemyLineY);
-			Piece piece = pieceAt(pieceCoords);
-
-			if (identifier.isPawn(piece))
-				return pieceCoords;
-
-		}
-
-		return null;
-	}
-
-	@Override
-	public int hashCode() {
-		int result = 0;
-		for (int i = 0; i < Coordinate.VALUE_MAX; i++) {
-			for (int j = 0; j < Coordinate.VALUE_MAX; j++) {
-				Piece piece = pieceAt(new Coordinate(i, j));
-				if (piece == null)
-					continue;
-				result = Objects.hash(result, piece.getColor(), new Coordinate(i, j), piece);
-			}
-		}
-		return result;
-	}
-
-	public Move getLastMove() {
-		return this.lastMove;
-	}
-
-	public void setLastMove(Move lastMove) {
-		this.lastMove = lastMove;
-	}
-
-	@Override
-	public boolean equals(Object obj){
-		if (obj instanceof ChessBoard board)
-			return board.hashCode() == this.hashCode();
-		return false;
-	}
-
-}

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

@@ -1,10 +0,0 @@
-package chess.model;
-
-public enum Color {
-	White,
-	Black;
-
-	public static Color getEnemy(Color color) {
-		return color == White ? Black : White;
-	}
-}

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

@@ -1,52 +0,0 @@
-package chess.model;
-
-import java.util.Objects;
-
-public class Coordinate {
-	private final int x;
-	private final int y;
-
-	public static int VALUE_MAX = 8;
-
-	public Coordinate(int x, int y) {
-		this.x = x;
-		this.y = y;
-	}
-
-	public int getX() {
-		return x;
-	}
-
-	public int getY() {
-		return y;
-	}
-
-	public boolean isValid() {
-		return 0 <= this.x && this.x < VALUE_MAX && 0 <= this.y && this.y < VALUE_MAX;
-	}
-
-	public static Coordinate fromIndex(int index) {
-		return new Coordinate(index % VALUE_MAX, index / VALUE_MAX);
-	}
-
-	public int toIndex() {
-		return this.y * VALUE_MAX + this.x;
-	}
-
-	@Override
-	public boolean equals(Object obj) {
-		if (obj instanceof Coordinate coo) {
-			return this.x == coo.x && this.y == coo.y;
-		}
-		return false;
-	}
-
-	public String toString() {
-		return "(" + this.x + ", " + this.y + ")";
-	}
-
-	@Override
-	public int hashCode() {
-		return Objects.hash(this.x, this.y);
-	}
-}

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

@@ -0,0 +1,22 @@
+package chess.model;
+
+public class Coordinates {
+    private int x;
+    private int y;
+
+    public Coordinates(int x, int y) {
+        this.x = x;
+        this.y = y;
+    }
+    public int getX() {
+        return this.x;
+    }
+
+    public int getY() {
+        return this.y;
+    }
+
+    public String toString() {
+        return "(" + this.x + ", " + this.y + ")";
+    }
+}

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

@@ -1,54 +0,0 @@
-package chess.model;
-
-public enum Direction {
-
-	Unset(65),
-	Front(-8), Back(8), Left(-1), Right(1),
-	FrontLeft(-9), FrontRight(-7), BackLeft(7), BackRight(9);
-
-	private final int indexOffset;
-
-	Direction(int indexOffset) {
-		this.indexOffset = indexOffset;
-	}
-
-	public int getIndexOffset() {
-		return indexOffset;
-	}
-
-	public static Direction fromInt(int direction) {
-		for (Direction dir : Direction.values()) {
-			if (dir.getIndexOffset() == direction)
-				return dir;
-		}
-		return null;
-	}
-
-	public static Direction findDirection(Move move) {
-		assert move.isValid() : "Move is invalid!";
-		int diffX = move.getFinish().getX() - move.getStart().getX();
-		int diffY = move.getFinish().getY() - move.getStart().getY();
-
-		if (diffX == 0 && diffY < 0)
-			return Direction.Front;
-		if (diffX == 0 && diffY > 0)
-			return Direction.Back;
-
-		if (diffX < 0 && diffY == 0)
-			return Direction.Left;
-		if (diffX > 0 && diffY == 0)
-			return Direction.Right;
-
-		if (diffX < 0 && -diffX == diffY)
-			return Direction.BackLeft;
-		if (diffX > 0 && diffX == diffY)
-			return Direction.BackRight;
-
-		if (diffY < 0 && diffX == diffY)
-			return Direction.FrontLeft;
-		if (diffX > 0 && diffX == -diffY)
-			return Direction.FrontRight;
-
-		return Direction.Unset;
-	}
-}

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

@@ -1,122 +1,87 @@
 package chess.model;
 
-import java.util.HashMap;
+import java.util.ArrayList;
-import java.util.List;
+import java.util.Observable;
-import java.util.Map;
-import java.util.Stack;
 
-import chess.controller.PlayerCommand;
+public class Game extends Observable implements Runnable  {
-import chess.controller.commands.MoveCommand;
+    private final Board board;
+    private Move move;
+    private final ArrayList<Player> players = new ArrayList<>();
 
-public class Game {
+    public Game(int size) {
-	private final ChessBoard board;
+        this.board = new Board(size);
-	private Color playerTurn;
+        this.setChanged();
-	private final Stack<PlayerCommand> movesHistory;
+        this.notifyObservers();
-	private final Map<Integer, Integer> traitsPos;
+    }
+    public Game() {
+        this(8);
+    }
 
-	private static final int DRAW_REPETITONS = 3;
+    public int getSize(){
+        return board.getSize();
+    }
+    public Board getBoard() {
+        return board;
+    }
+    public Move getMove() {
+        return move;
+    }
 
-	public enum GameStatus {
+    public void setMove(Move m){
-		Draw, Check, CheckMate, OnGoing, Pat;
+        this.move = m;
-	}
+        synchronized (this) {
+            this.notify();
+        }
+    }
 
-	public Game() {
+    public boolean gameDone(){
-		this.board = new ChessBoard();
+        // todo
-		this.movesHistory = new Stack<>();
+        return false;
-		this.traitsPos = new HashMap<>();
+    }
-	}
 
-	public ChessBoard getBoard() {
+    public Player getNextPlayer(){
-		return board;
+        return players.getFirst();
-	}
+    }
 
-	public Color getPlayerTurn() {
+    public void updatePlayersList(){
-		return playerTurn;
+        Player player = players.getFirst();
-	}
+        players.remove(player);
+        players.add(player);
+    }
 
-	public void reset() {
+    public void playGame() {
-		resetPlayerTurn();
+        players.add(new Player(this));
-		this.traitsPos.clear();
+        players.add(new Player(this));
-	}
+        while (!gameDone()){
+            Move m = getNextPlayer().getMove();
+            while (!applyMove(m)){
+                m = getNextPlayer().getMove();
+            }
+            updatePlayersList();
+            setChanged();
+            notifyObservers();
+        }
+    }
 
-	public void resetPlayerTurn() {
+    @Override
-		this.playerTurn = Color.White;
+    public void run(){
-	}
+        playGame();
+    }
 
-	/**
+    public boolean applyMove(Move m){
-	 * 
+        if (board.getCell(m.getStart()).getPiece() == null){
-	 * @param color the current player turn
+            return false;
-	 * @return true if a draw should be declared
+        }
-	 */
+        try {
-	public void saveTraitPiecesPos() {
+            move(m);
-		int piecesHash = this.board.hashCode();
+        }
-		Integer count = this.traitsPos.get(piecesHash);
+        catch (Exception e) {
-		this.traitsPos.put(piecesHash, count == null ? 1 : count + 1);
+            return false;
-	}
+        }
-
+        return true;
-
+    }
-	/**
-	 * @return whether the game is in a draw situation
-	 */
-	private boolean checkDraw() {
-		return this.traitsPos.containsValue(DRAW_REPETITONS);
-	}
-
-	/**
-	 * 
-	 * @return true if a draw should occur
-	 */
-	public void switchPlayerTurn() {
-		playerTurn = Color.getEnemy(playerTurn);
-	}
-
-	public GameStatus checkGameStatus() {
-		final Color enemy = Color.getEnemy(getPlayerTurn());
-
-		if (checkDraw())
-			return GameStatus.Draw;
-
-		if (this.board.isKingInCheck(enemy))
-			if (this.board.hasAllowedMoves(enemy))
-				return GameStatus.Check;
-			else
-				return GameStatus.CheckMate;
-
-		if (!board.hasAllowedMoves(enemy))
-			return GameStatus.Pat;
-
-		return GameStatus.OnGoing;
-	}
-
-	public void addAction(PlayerCommand command) {
-		this.movesHistory.add(command);
-	}
-
-	public PlayerCommand getLastAction() {
-		if (this.movesHistory.isEmpty())
-			return null;
-		return this.movesHistory.pop();
-	}
-
-	public void updateLastMove() {
-		if (this.movesHistory.isEmpty())
-			return;
-
-		PlayerCommand last = this.movesHistory.getLast();
-		if (last instanceof MoveCommand move) {
-			this.board.setLastMove(move.getMove());
-		}
-	}
-
-	public void undoTraitPiecesPos() {
-		int piecesHash = this.board.hashCode();
-		Integer count = this.traitsPos.get(piecesHash);
-		if (count != null)
-			this.traitsPos.put(piecesHash, count - 1);
-	}
-
-	public List<PlayerCommand> getMoves() {
-		return this.movesHistory;
-	}
 
+    public void move(Move move) throws Exception{
+        board.movePiece(move);
+    }
 }

app/src/main/java/chess/model/Model2D.java

@@ -0,0 +1,15 @@
+package chess.model;
+
+import java.util.Observable;
+
+public class Model2D extends Observable {
+    public int x;
+    public int y;
+
+    public void set(int i, int j){
+        this.x = i;
+        this.y = j;
+        setChanged();
+        notifyObservers();
+    }
+}

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

@@ -1,63 +1,26 @@
 package chess.model;
 
 public class Move {
-	private final Coordinate start;
+    private Coordinates start;
-	private final Coordinate finish;
+    private Coordinates end;
-	private Coordinate deadPieceCoords;
 
-	public Move(Coordinate start, Coordinate finish) {
+    public Move(Coordinates start, Coordinates end) {
-		this.start = start;
+        this.start = start;
-		this.finish = finish;
+        this.end = end;
-		this.deadPieceCoords = finish;
+    }
-	}
 
-	public boolean isValid() {
+    public Coordinates getEnd() {
-		return this.start.isValid() && this.finish.isValid() && !this.start.equals(this.finish);
+        return end;
-	}
+    }
 
-	public Coordinate getStart() {
+    public Coordinates getStart() {
-		return start;
+        return start;
-	}
+    }
 
-	public Coordinate getFinish() {
+    public void updateMove(Coordinates start, Coordinates end) {
-		return finish;
+        this.start = start;
-	}
+        this.end = end;
+    }
 
-	public int traversedCells() {
-		assert isValid() : "Move is invalid!";
-
-		int diffX = getFinish().getX() - getStart().getX();
-		int diffY = getFinish().getY() - getStart().getY();
-
-		assert Math.abs(diffX) < Coordinate.VALUE_MAX : "Move is too big!";
-		assert Math.abs(diffY) < Coordinate.VALUE_MAX : "Move is too big!";
-
-		if (diffX == 0)
-			return Math.abs(diffY);
-		if (diffY == 0)
-			return Math.abs(diffX);
-		if (Math.abs(diffX) == Math.abs(diffY))
-			return Math.abs(diffX);
-		return 0;
-	}
-
-	public Coordinate getMiddle() {
-		return Coordinate.fromIndex((getStart().toIndex() + getFinish().toIndex()) / 2);
-	}
-
-	public void setDeadPieceCoords(Coordinate deadCoords) {
-		this.deadPieceCoords = deadCoords;
-	}
-
-	public Coordinate getDeadPieceCoords() {
-		return deadPieceCoords;
-	}
-
-	@Override
-	public boolean equals(Object obj) {
-		if (obj instanceof Move other)
-			return this.start.equals(other.start) && this.finish.equals(other.finish);
-		return false;
-	}
 
 }

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

@@ -1,34 +1,27 @@
 package chess.model;
 
+import chess.view.render2D.Pieces;
+
 public abstract class Piece {
+    public final int color;
+    public AccessibleCellsDecorator decorator;
+    public final Board board;
+    public Cell position;
 
-	private final Color color;
+    public Piece(int color, Board board, Cell position) {
-	private int moved;
+        this.color = color;
+        this.board = board;
+        this.position = position;
+    }
 
-	public Piece(Color color) {
+    public int getColor() {
-		this.color = color;
+        return color;
-		this.moved = 0;
+    }
-	}
 
-	public void move() {
+    public void setPosition(Cell cell) {
-		this.moved++;
+        this.position = cell;
-	}
+    }
 
-	public Color getColor() {
+    public abstract void accept(PieceVisitor pv);
-		return color;
-	}
-
-	public boolean hasMoved() {
-		return moved > 0;
-	}
-
-	public void unMove() {
-		this.moved--;
-	}
-
-	public abstract <T> T accept(PieceVisitor<T> visitor);
-
-	@Override
-	public abstract boolean equals(Object other);
 
 }

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

@@ -1,28 +1,17 @@
 package chess.model;
 
-import chess.model.pieces.Bishop;
+import chess.model.pieces.*;
-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 interface PieceVisitor<T> {
+public interface PieceVisitor{
+    default void visit(Piece p) {
+        p.accept(this);
+    }
 
-	default T visit(Piece piece) {
+    void visitPiece(Bishop p);
-		return piece.accept(this);
+    void visitPiece(Knight p);
-	}
+    void visitPiece(Pawn p);
-
+    void visitPiece(Queen p);
-	T visitPiece(Bishop bishop);
+    void visitPiece(King p);
-
+    void visitPiece(Rook p);
-	T visitPiece(King king);
-
-	T visitPiece(Knight knight);
-
-	T visitPiece(Pawn pawn);
-
-	T visitPiece(Queen queen);
-
-	T visitPiece(Rook rook);
 
 }

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

@@ -0,0 +1,21 @@
+package chess.model;
+
+public class Player {
+    private final Game game;
+
+    public Player(Game game) {
+        this.game = game;
+    }
+
+    public Move getMove(){
+        synchronized(game){
+            try {
+                game.wait();
+            }
+            catch (Exception e) {
+                System.out.println(e.getMessage());
+            }
+        }
+        return game.getMove();
+    }
+}

app/src/main/java/chess/model/decorators/DiagonalDecorator.java

@@ -0,0 +1,21 @@
+package chess.model.decorators;
+
+import chess.model.AccessibleCellsDecorator;
+import chess.model.Cell;
+
+import java.util.ArrayList;
+
+public class DiagonalDecorator extends AccessibleCellsDecorator {
+    public DiagonalDecorator(AccessibleCellsDecorator base) {
+        super(base);
+    }
+
+    public DiagonalDecorator(){
+        super();
+    }
+
+    @Override
+    protected ArrayList<Cell> getAccessibleCells() {
+        return null;
+    }
+}

app/src/main/java/chess/model/decorators/LineDecorator.java

@@ -0,0 +1,22 @@
+package chess.model.decorators;
+
+import chess.model.AccessibleCellsDecorator;
+import chess.model.Cell;
+
+import java.util.ArrayList;
+
+public class LineDecorator extends AccessibleCellsDecorator {
+    public LineDecorator(AccessibleCellsDecorator base) {
+        super(base);
+    }
+
+    public LineDecorator(){
+        super();
+    }
+
+    @Override
+    protected ArrayList<Cell> getAccessibleCells() {
+
+        return null;
+    }
+}

app/src/main/java/chess/model/pieces/Bishop.java

@@ -1,27 +1,17 @@
 package chess.model.pieces;
 
-import chess.model.Color;
+import chess.model.Board;
+import chess.model.Cell;
 import chess.model.Piece;
 import chess.model.PieceVisitor;
 
 public class Bishop extends Piece {
+    public Bishop(final int color, Board board, Cell cell) {
+        super(color, board, cell);
+    }
 
-	public Bishop(Color color) {
+    @Override
-		super(color);
+    public void accept(PieceVisitor pv) {
-	}
+        pv.visitPiece(this);
-
+    }
-	@Override
-	public <T> T accept(PieceVisitor<T> visitor) {
-		return visitor.visitPiece(this);
-	}
-
-	@Override
-	public int hashCode() {
-		return 0;
-	}
-
-	public boolean equals(Object obj) {
-		return (obj instanceof Bishop && ((Bishop) obj).getColor() == this.getColor());
-	}
-
 }

app/src/main/java/chess/model/pieces/King.java

@@ -1,26 +1,17 @@
 package chess.model.pieces;
 
-import chess.model.Color;
+import chess.model.Board;
+import chess.model.Cell;
 import chess.model.Piece;
 import chess.model.PieceVisitor;
 
 public class King extends Piece {
+    public King(final int color, Board board, Cell cell) {
+        super(color, board, cell);
+    }
 
-	public King(Color color) {
+    @Override
-		super(color);
+    public void accept(PieceVisitor pv) {
-	}
+        pv.visitPiece(this);
-
+    }
-	@Override
-	public <T> T accept(PieceVisitor<T> visitor) {
-		return visitor.visitPiece(this);
-	}
-
-	@Override
-	public int hashCode() {
-		return 1;
-	}
-
-	public boolean equals(Object obj) {
-		return (obj instanceof King && ((King) obj).getColor() == this.getColor());
-	}
 }

app/src/main/java/chess/model/pieces/Knight.java

@@ -1,26 +1,17 @@
 package chess.model.pieces;
 
-import chess.model.Color;
+import chess.model.Board;
+import chess.model.Cell;
 import chess.model.Piece;
 import chess.model.PieceVisitor;
 
 public class Knight extends Piece {
+    public Knight(final int color, Board board, Cell cell) {
+        super(color, board, cell);
+    }
 
-	public Knight(Color color) {
+    @Override
-		super(color);
+    public void accept(PieceVisitor pv) {
-	}
+        pv.visitPiece(this);
-
+    }
-	@Override
-	public <T> T accept(PieceVisitor<T> visitor) {
-		return visitor.visitPiece(this);
-	}
-
-	@Override
-	public int hashCode() {
-		return 2;
-	}
-
-	public boolean equals(Object obj) {
-		return (obj instanceof Knight && ((Knight) obj).getColor() == this.getColor());
-	}
 }

app/src/main/java/chess/model/pieces/Pawn.java

@@ -1,30 +1,17 @@
 package chess.model.pieces;
 
-import chess.model.Color;
+import chess.model.Board;
+import chess.model.Cell;
 import chess.model.Piece;
 import chess.model.PieceVisitor;
 
 public class Pawn extends Piece {
+    public Pawn(final int color, Board board, Cell cell) {
+        super(color, board, cell);
+    }
 
-	public Pawn(Color color) {
+    @Override
-		super(color);
+    public void accept(PieceVisitor pv) {
-	}
+        pv.visitPiece(this);
-
+    }
-	@Override
-	public <T> T accept(PieceVisitor<T> visitor) {
-		return visitor.visitPiece(this);
-	}
-
-	public int multiplier() {
-		return getColor() == Color.White ? 1 : -1;
-	}
-
-	@Override
-	public int hashCode() {
-		return 3;
-	}
-
-	public boolean equals(Object obj) {
-		return (obj instanceof Pawn && ((Pawn) obj).getColor() == this.getColor());
-	}
 }

app/src/main/java/chess/model/pieces/Queen.java

@@ -1,26 +1,16 @@
 package chess.model.pieces;
 
-import chess.model.Color;
+import chess.model.*;
-import chess.model.Piece;
+import chess.model.decorators.DiagonalDecorator;
-import chess.model.PieceVisitor;
+import chess.model.decorators.LineDecorator;
 
 public class Queen extends Piece {
+    public Queen(final int color, Board board, Cell cell) {
+        super(color, board, cell);
+    }
 
-	public Queen(Color color) {
+    @Override
-		super(color);
+    public void accept(PieceVisitor pv) {
-	}
+        pv.visitPiece(this);
-
+    }
-	@Override
-	public <T> T accept(PieceVisitor<T> visitor) {
-		return visitor.visitPiece(this);
-	}
-
-	@Override
-	public int hashCode() {
-		return 4;
-	}
-
-	public boolean equals(Object obj) {
-		return (obj instanceof Queen && ((Queen) obj).getColor() == this.getColor());
-	}
 }

app/src/main/java/chess/model/pieces/Rook.java

@@ -1,26 +1,21 @@
 package chess.model.pieces;
 
-import chess.model.Color;
+import chess.model.Board;
+import chess.model.Cell;
 import chess.model.Piece;
 import chess.model.PieceVisitor;
+import chess.model.decorators.DiagonalDecorator;
+import chess.model.decorators.LineDecorator;
 
 public class Rook extends Piece {
+    public Rook(final int color, Board board, Cell cell) {
+        super(color, board, cell);
+        this.decorator = new LineDecorator();
+        // todo
+    }
 
-	public Rook(Color color) {
+    @Override
-		super(color);
+    public void accept(PieceVisitor pv) {
-	}
+        pv.visitPiece(this);
-
+    }
-	@Override
-	public <T> T accept(PieceVisitor<T> visitor) {
-		return visitor.visitPiece(this);
-	}
-
-	@Override
-	public int hashCode() {
-		return 5;
-	}
-
-	public boolean equals(Object other) {
-		return (other instanceof Rook && ((Rook) other).getColor() == this.getColor());
-	}
 }

app/src/main/java/chess/model/visitor/KingIdentifier.java

@@ -1,52 +0,0 @@
-package chess.model.visitor;
-
-import chess.model.Color;
-import chess.model.Piece;
-import chess.model.PieceVisitor;
-import chess.model.pieces.*;
-
-public class KingIdentifier implements PieceVisitor<Boolean> {
-
-	private final Color color;
-
-	public KingIdentifier(Color color) {
-		this.color = color;
-	}
-
-	public boolean isKing(Piece piece) {
-		if (piece == null)
-			return false;
-		return visit(piece);
-	}
-
-	@Override
-	public Boolean visitPiece(Bishop bishop) {
-		return false;
-	}
-
-	@Override
-	public Boolean visitPiece(King king) {
-		return king.getColor() == color;
-	}
-
-	@Override
-	public Boolean visitPiece(Knight knight) {
-		return false;
-	}
-
-	@Override
-	public Boolean visitPiece(Pawn pawn) {
-		return false;
-	}
-
-	@Override
-	public Boolean visitPiece(Queen queen) {
-		return false;
-	}
-
-	@Override
-	public Boolean visitPiece(Rook rook) {
-		return false;
-	}
-
-}

app/src/main/java/chess/model/visitor/PawnIdentifier.java

@@ -1,52 +0,0 @@
-package chess.model.visitor;
-
-import chess.model.Color;
-import chess.model.Piece;
-import chess.model.PieceVisitor;
-import chess.model.pieces.*;
-
-public class PawnIdentifier implements PieceVisitor<Boolean> {
-
-	private final Color color;
-
-	public PawnIdentifier(Color color) {
-		this.color = color;
-	}
-
-	public boolean isPawn(Piece piece) {
-		if (piece == null)
-			return false;
-		return visit(piece);
-	}
-
-	@Override
-	public Boolean visitPiece(Bishop bishop) {
-		return false;
-	}
-
-	@Override
-	public Boolean visitPiece(King king) {
-		return false;
-	}
-
-	@Override
-	public Boolean visitPiece(Knight knight) {
-		return false;
-	}
-
-	@Override
-	public Boolean visitPiece(Pawn pawn) {
-		return pawn.getColor() == color;
-	}
-
-	@Override
-	public Boolean visitPiece(Queen queen) {
-		return false;
-	}
-
-	@Override
-	public Boolean visitPiece(Rook rook) {
-		return false;
-	}
-
-}

app/src/main/java/chess/model/visitor/PermissiveRuleChecker.java

@@ -1,119 +0,0 @@
-package chess.model.visitor;
-
-import chess.model.Coordinate;
-import chess.model.Direction;
-import chess.model.Move;
-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 PermissiveRuleChecker implements PieceVisitor<Boolean> {
-
-	private final Move move;
-
-	public PermissiveRuleChecker(Move move) {
-		this.move = move;
-		assert move.isValid() : "Move is invalid!";
-	}
-
-	public boolean isValidFor(Piece piece) {
-		return visit(piece);
-	}
-
-	@Override
-	public Boolean visitPiece(Bishop bishop) {
-		Direction moveDirection = Direction.findDirection(this.move);
-
-		switch (moveDirection) {
-			case FrontLeft:
-			case BackLeft:
-			case FrontRight:
-			case BackRight:
-				return true;
-
-			default:
-				return false;
-		}
-	}
-
-	@Override
-	public Boolean visitPiece(King king) {
-		return this.move.traversedCells() == 1;
-	}
-
-	@Override
-	public Boolean visitPiece(Knight knight) {
-		Coordinate piecePos = move.getStart();
-		final Coordinate[] positions = {
-				new Coordinate(piecePos.getX() - 1, piecePos.getY() - 2),
-				new Coordinate(piecePos.getX() - 1, piecePos.getY() + 2),
-				new Coordinate(piecePos.getX() + 1, piecePos.getY() - 2),
-				new Coordinate(piecePos.getX() + 1, piecePos.getY() + 2),
-				new Coordinate(piecePos.getX() + 2, piecePos.getY() - 1),
-				new Coordinate(piecePos.getX() + 2, piecePos.getY() + 1),
-				new Coordinate(piecePos.getX() - 2, piecePos.getY() - 1),
-				new Coordinate(piecePos.getX() - 2, piecePos.getY() + 1),
-		};
-
-		for (int i = 0; i < positions.length; i++) {
-			if (this.move.getFinish().equals(positions[i]))
-				return true;
-		}
-
-		return false;
-	}
-
-	@Override
-	public Boolean visitPiece(Pawn pawn) {
-		Direction moveDirection = Direction.findDirection(this.move);
-		int directionIndexOffset = moveDirection.getIndexOffset();
-		int distance = this.move.traversedCells();
-
-		// Revoke moving backwards
-		if (directionIndexOffset * pawn.multiplier() > 0)
-			return false;
-
-		// Allowing straight moves
-		if (Math.abs(directionIndexOffset) == Math.abs(Direction.Front.getIndexOffset())) {
-			if (pawn.hasMoved())
-				return distance == 1;
-			return distance == 1 || distance == 2;
-		}
-
-		// Allowing small diagonal moves
-		if (directionIndexOffset * pawn.multiplier() == Direction.FrontLeft.getIndexOffset()
-				|| directionIndexOffset * pawn.multiplier() == Direction.FrontRight.getIndexOffset()) {
-			return distance == 1;
-		}
-
-		return false;
-	}
-
-	@Override
-	public Boolean visitPiece(Queen queen) {
-		Direction moveDirection = Direction.findDirection(this.move);
-		return moveDirection != Direction.Unset;
-	}
-
-	@Override
-	public Boolean visitPiece(Rook rook) {
-		Direction moveDirection = Direction.findDirection(this.move);
-
-		switch (moveDirection) {
-			case Front:
-			case Back:
-			case Left:
-			case Right:
-				return true;
-
-			default:
-				return false;
-		}
-	}
-
-}

app/src/main/java/chess/model/visitor/PiecePathChecker.java

@@ -1,151 +0,0 @@
-package chess.model.visitor;
-
-import chess.model.ChessBoard;
-import chess.model.Color;
-import chess.model.Coordinate;
-import chess.model.Direction;
-import chess.model.Move;
-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 PiecePathChecker implements PieceVisitor<Boolean> {
-
-	private final ChessBoard board;
-	private final Move move;
-
-	public PiecePathChecker(ChessBoard board, Move move) {
-		this.move = move;
-		this.board = board;
-	}
-
-	public boolean isValid() {
-		if (this.move.getStart().equals(this.move.getFinish()))
-			return false;
-		Piece piece = this.board.pieceAt(move.getStart());
-		if (piece == null)
-			return false;
-		return visit(piece);
-	}
-
-	@Override
-	public Boolean visitPiece(Bishop bishop) {
-		return basicCheck(bishop);
-	}
-
-	@Override
-	public Boolean visitPiece(King king) {
-		return destCheck(king);
-	}
-
-	@Override
-	public Boolean visitPiece(Knight knight) {
-		return destCheck(knight);
-	}
-
-	@Override
-	public Boolean visitPiece(Queen queen) {
-		return basicCheck(queen);
-	}
-
-	@Override
-	public Boolean visitPiece(Rook rook) {
-		return basicCheck(rook);
-	}
-
-	@Override
-	public Boolean visitPiece(Pawn pawn) {
-		if (!new PermissiveRuleChecker(this.move).isValidFor(pawn))
-			return false;
-
-		Direction moveDirection = Direction.fromInt(Direction.findDirection(move).getIndexOffset() * pawn.multiplier());
-
-		if (moveDirection == Direction.Front)
-			return testPath(pawn.getColor()) && this.board.pieceAt(this.move.getFinish()) == null;
-
-		assert moveDirection == Direction.FrontLeft || moveDirection == Direction.FrontRight;
-
-		if (checkEnPassant())
-			return true;
-
-		Piece destPiece = this.board.pieceAt(this.move.getFinish());
-		if (destPiece == null)
-			return false;
-
-		return destPiece.getColor() != pawn.getColor();
-	}
-
-	private boolean checkEnPassant() {
-		Move lastMove = this.board.getLastMove();
-
-		if (lastMove == null)
-			return false;
-
-		Piece pieceToEat = this.board.pieceAt(lastMove.getFinish());
-
-		if (pieceToEat == null || !(pieceToEat instanceof Pawn))
-			return false;
-
-		Piece pawn = this.board.pieceAt(this.move.getStart());
-
-		if (pieceToEat.getColor() == pawn.getColor())
-			return false;
-
-		Direction lastMoveDir = Direction.findDirection(lastMove);
-
-		if ((lastMoveDir != Direction.Front && lastMoveDir != Direction.Back) || lastMove.traversedCells() != 2)
-			return false;
-
-		Coordinate middle = lastMove.getMiddle();
-
-		if (middle.equals(this.move.getFinish())
-				&& new PawnIdentifier(pieceToEat.getColor()).isPawn(pieceToEat)) {
-			this.move.setDeadPieceCoords(lastMove.getFinish());
-			return true;
-		}
-		return false;
-	}
-
-	private boolean destCheck(Piece piece) {
-		if (!new PermissiveRuleChecker(this.move).isValidFor(piece))
-			return false;
-
-		Piece destPiece = board.pieceAt(this.move.getFinish());
-		if (destPiece == null)
-			return true;
-		return destPiece.getColor() != piece.getColor();
-	}
-
-	private boolean basicCheck(Piece piece) {
-		if (!new PermissiveRuleChecker(this.move).isValidFor(piece))
-			return false;
-		return testPath(piece.getColor());
-	}
-
-	private boolean testPath(Color color) {
-		Direction moveDirection = Direction.findDirection(this.move);
-		int distance = this.move.traversedCells();
-		int stepIndex = move.getStart().toIndex();
-
-		for (int step = 0; step < distance; step++) {
-			stepIndex += moveDirection.getIndexOffset();
-
-			if (Coordinate.fromIndex(stepIndex).equals(move.getFinish())) {
-				Piece pieceDest = this.board.pieceAt(move.getFinish());
-				if (pieceDest == null)
-					return true;
-				return pieceDest.getColor() != color;
-			}
-
-			if (!this.board.isCellEmpty(Coordinate.fromIndex(stepIndex)))
-				return false;
-		}
-
-		return false;
-	}
-}

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

@@ -1,222 +0,0 @@
-package chess.pgn;
-
-import java.util.List;
-
-import chess.controller.CommandExecutor;
-import chess.controller.PlayerCommand;
-import chess.controller.commands.CastlingCommand;
-import chess.controller.commands.GetPieceAtCommand;
-import chess.controller.commands.GetPlayerMovesCommand;
-import chess.controller.commands.MoveCommand;
-import chess.controller.commands.NewGameCommand;
-import chess.controller.commands.PromoteCommand;
-import chess.controller.event.EmptyGameDispatcher;
-import chess.model.Color;
-import chess.model.Coordinate;
-import chess.model.Game;
-import chess.model.Move;
-import chess.model.Piece;
-import chess.model.pieces.Pawn;
-
-public class PgnExport {
-
-	// public static void main(String[] args) {
-	// 	final Game game = new Game();
-	// 	final CommandExecutor commandExecutor = new CommandExecutor(game);
-
-	// 	DumbAI ai1 = new DumbAI(commandExecutor, Color.White);
-	// 	commandExecutor.addListener(ai1);
-
-	// 	DumbAI ai2 = new DumbAI(commandExecutor, Color.Black);
-	// 	commandExecutor.addListener(ai2);
-
-	// 	commandExecutor.addListener(new GameAdaptator() {
-	// 		@Override
-	// 		public void onGameEnd() {
-	// 			System.out.println(exportGame(game));
-	// 			commandExecutor.close();
-	// 		}
-	// 	});
-
-	// 	commandExecutor.executeCommand(new NewGameCommand());
-	// }
-
-	private static final PiecePgnName piecePgnName = new PiecePgnName();
-
-	private static Piece pieceAt(CommandExecutor commandExecutor, Coordinate coordinate) {
-		GetPieceAtCommand cmd = new GetPieceAtCommand(coordinate);
-		commandExecutor.executeCommand(cmd);
-		return cmd.getPiece();
-	}
-
-	private static List<Move> playerMoves(CommandExecutor commandExecutor) {
-		GetPlayerMovesCommand cmd = new GetPlayerMovesCommand();
-		commandExecutor.executeCommand(cmd);
-		return cmd.getMoves();
-	}
-
-	private static String gameEnd(Game game) {
-		switch (game.checkGameStatus()) {
-			case Draw:
-			case Pat:
-				return "1/2-1/2";
-
-			case CheckMate:
-				if (game.getPlayerTurn() == Color.White)
-					return "1-0";
-				return "0-1";
-
-			default:
-				return "";
-		}
-	}
-
-	private static String resolveAmbiguity(CommandExecutor cmdExec, Move pieceMove) {
-		Piece movingPiece = pieceAt(cmdExec, pieceMove.getStart());
-
-		assert movingPiece != null;
-
-		if (movingPiece instanceof Pawn)
-			return "";
-
-		List<Move> moves = playerMoves(cmdExec);
-
-		for (Move move : moves) {
-			if (move.equals(pieceMove) || !move.getFinish().equals(pieceMove.getFinish()))
-				continue;
-
-			Piece otherPiece = pieceAt(cmdExec, move.getStart());
-
-			// checking type of piece
-			if (otherPiece.hashCode() != movingPiece.hashCode())
-				continue;
-
-			String startPos = toString(pieceMove.getStart());
-
-			if (move.getStart().getX() != pieceMove.getStart().getX())
-				// not on the same column
-				return Character.toString(startPos.charAt(0));
-			else
-				return Character.toString(startPos.charAt(1));
-
-		}
-
-		return "";
-	}
-
-	private static String capture(MoveCommand move, Piece movingPiece) {
-		String result = "";
-		if (move.getDeadPiece() != null) {
-			if (movingPiece instanceof Pawn) {
-				result += toString(move.getMove().getStart()).charAt(0);
-			}
-			result += "x";
-		}
-		return result;
-	}
-
-	private static String promote(PlayerCommand nextCommand) {
-		if (nextCommand != null && nextCommand instanceof PromoteCommand promoteCommand) {
-			String result = "=";
-			result += switch (promoteCommand.getPromoteType()) {
-				case Bishop -> "B";
-				case Knight -> "N";
-				case Queen -> "Q";
-				case Rook -> "R";
-			};
-			return result;
-		}
-		return "";
-	}
-
-	private static String castling(CastlingCommand castlingCommand) {
-		String result = "O-O";
-		if (castlingCommand.isBigCastling())
-			result += "-O";
-		return result;
-	}
-
-	private static String checkCheckMate(Game game) {
-		switch (game.checkGameStatus()) {
-			case CheckMate:
-				return "#";
-
-			case Check:
-				return "+";
-
-			default:
-				return "";
-		}
-	}
-
-	private static String printMove(PlayerCommand cmd, PlayerCommand nextCommand, Game virtualGame,
-			CommandExecutor executor) {
-		String result = "";
-		if (cmd instanceof MoveCommand move) {
-
-			Piece movingPiece = virtualGame.getBoard().pieceAt(move.getMove().getStart());
-
-			assert movingPiece != null;
-
-			// piece name
-			result += piecePgnName.visit(movingPiece);
-
-			// ambiguious start
-			result += resolveAmbiguity(executor, move.getMove());
-
-			// capture
-			result += capture(move, movingPiece);
-
-			// end cell
-			result += toString(move.getMove().getFinish());
-
-			// promote
-			result += promote(nextCommand);
-
-		} else if (cmd instanceof CastlingCommand castlingCommand) {
-			result += castling(castlingCommand);
-		}
-
-		executor.executeCommand(cmd);
-
-		// check or checkmate
-		result += checkCheckMate(virtualGame);
-
-		result += " ";
-
-		return result;
-	}
-
-	public static String exportGame(Game game) {
-
-		Game virtualGame = new Game();
-
-		CommandExecutor executor = new CommandExecutor(virtualGame, new EmptyGameDispatcher());
-		executor.executeCommand(new NewGameCommand());
-
-		List<PlayerCommand> commands = game.getMoves();
-		String result = "";
-
-		int tour = 1;
-
-		for (int i = 0; i < commands.size(); i++) {
-			PlayerCommand cmd = commands.get(i);
-			PlayerCommand nextCommand = null;
-			if (i != commands.size() - 1) {
-				nextCommand = commands.get(i + 1);
-			}
-			if (virtualGame.getPlayerTurn() == Color.White) {
-				result += tour + ".";
-				tour++;
-			}
-			result += printMove(cmd, nextCommand, virtualGame, executor);
-		}
-		return result + " " + gameEnd(virtualGame);
-	}
-
-	public static String toString(Coordinate coordinate) {
-		String letters = "abcdefgh";
-		String numbers = "87654321";
-		return Character.toString(letters.charAt(coordinate.getX())) + numbers.charAt(coordinate.getY());
-	}
-}

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

@@ -1,43 +0,0 @@
-package chess.pgn;
-
-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 PiecePgnName implements PieceVisitor<String> {
-
-	@Override
-	public String visitPiece(Bishop bishop) {
-		return "B";
-	}
-
-	@Override
-	public String visitPiece(King king) {
-		return "K";
-	}
-
-	@Override
-	public String visitPiece(Knight knight) {
-		return "N";
-	}
-
-	@Override
-	public String visitPiece(Pawn pawn) {
-		return "";
-	}
-
-	@Override
-	public String visitPiece(Queen queen) {
-		return "Q";
-	}
-
-	@Override
-	public String visitPiece(Rook rook) {
-		return "R";
-	}
-	
-}

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

@@ -1,31 +0,0 @@
-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 CastlingTest extends Simulator {
-    public CastlingTest(CommandExecutor commandExecutor) {
-        super(commandExecutor);
-    }
-
-    @Override
-    protected List<Move> getMoves() {
-        return Arrays.asList(
-                // white pawn
-                new Move(new Coordinate(6, 6), new Coordinate(6, 4)),
-                // black knight
-                new Move(new Coordinate(1, 0), new Coordinate(0, 2)),
-                // white bishop
-                new Move(new Coordinate(5, 7), new Coordinate(7, 5)),
-                // black pawn
-                new Move(new Coordinate(1, 1), new Coordinate(1, 2)),
-                // white knight
-                new Move(new Coordinate(6, 7), new Coordinate(5, 5)),
-                // black pawn, bis
-                new Move(new Coordinate(2, 1), new Coordinate(2, 2)));
-    }
-}

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

@@ -1,29 +0,0 @@
-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/simulator/FoolCheckMate.java

@@ -1,28 +0,0 @@
-package chess.simulator;
-
-import java.util.Arrays;
-import java.util.List;
-
-import chess.controller.CommandExecutor;
-import chess.model.Coordinate;
-import chess.model.Move;
-
-public class FoolCheckMate extends Simulator {
-
-	public FoolCheckMate(CommandExecutor commandExecutor) {
-		super(commandExecutor);
-	}
-
-	@Override
-	public List<Move> getMoves() {
-		return Arrays.asList(
-				// white pawn
-				new Move(new Coordinate(5, 6), new Coordinate(5, 5)),
-				// black pawn
-				new Move(new Coordinate(4, 1), new Coordinate(4, 3)),
-				// 2nd white pawn
-				new Move(new Coordinate(6, 6), new Coordinate(6, 4)),
-				// black queen
-				new Move(new Coordinate(3, 0), new Coordinate(7, 4)));
-	}
-}

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

@@ -1,40 +0,0 @@
-package chess.simulator;
-
-import java.util.Arrays;
-import java.util.List;
-
-import chess.controller.CommandExecutor;
-import chess.model.Coordinate;
-import chess.model.Move;
-
-public class PromoteTest extends Simulator{
-
-	public PromoteTest(CommandExecutor commandExecutor) {
-		super(commandExecutor);
-	}
-
-	@Override
-	protected List<Move> getMoves() {
-		return Arrays.asList(
-				// white pawn
-				new Move(new Coordinate(5, 6), new Coordinate(5, 4)),
-				// black pawn
-				new Move(new Coordinate(4, 1), new Coordinate(4, 3)),
-				// white pawn capture
-				new Move(new Coordinate(5, 4), new Coordinate(4, 3)),
-				// black king
-				new Move(new Coordinate(4, 0), new Coordinate(4, 1)),
-				// white pawn moves
-				new Move(new Coordinate(4, 3), new Coordinate(4, 2)),
-				// black king
-				new Move(new Coordinate(4, 1), new Coordinate(5, 2)),
-				// white pawn moves
-				new Move(new Coordinate(4, 2), new Coordinate(4, 1)),
-				// black king
-				new Move(new Coordinate(5, 2), new Coordinate(6, 2))
-				// white pawn moves
-				// new Move(new Coordinate(4, 1), new Coordinate(4, 0))
-				);
-	}
-	
-}

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

@@ -1,39 +0,0 @@
-package chess.simulator;
-
-import java.util.List;
-
-import chess.controller.CommandExecutor;
-import chess.controller.commands.MoveCommand;
-import chess.controller.event.GameAdaptator;
-import chess.model.Move;
-import common.Signal0;
-
-public abstract class Simulator extends GameAdaptator {
-
-	protected final CommandExecutor commandExecutor;
-
-	public final Signal0 onComplete = new Signal0();
-	private int currentMove = 0;
-
-	public Simulator(CommandExecutor commandExecutor) {
-		this.commandExecutor = commandExecutor;
-	}
-
-	@Override
-	public void onGameStart() {
-		for (Move move : getMoves()) {
-			this.commandExecutor.executeCommand(new MoveCommand(move));
-		}
-	}
-
-	@Override
-	public void onBoardUpdate() {
-		currentMove++;
-		if (currentMove == getMoves().size()) {
-			onComplete.emit();
-		}
-	}
-
-	protected abstract List<Move> getMoves();
-
-}

app/src/main/java/chess/view/AssetManager.java

@@ -1,38 +0,0 @@
-package chess.view;
-
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-
-public class AssetManager {
-
-	private static final String gradleBase = "app/src/main/resources/";
-
-	public static InputStream getResource(String name) {
-		// we first search it in files
-		InputStream inputStream = getFileInputStream(name);
-		if (inputStream != null)
-			return inputStream;
-
-		inputStream = getFileInputStream(gradleBase + name);
-		if (inputStream != null)
-			return inputStream;
-		// then in the jar
-		return ClassLoader.getSystemResourceAsStream(name);
-	}
-
-	private static InputStream getFileInputStream(String path) {
-		File f = new File(path);
-		if (f.exists()) {
-			FileInputStream fis;
-			try {
-				fis = new FileInputStream(f);
-				return fis;
-			} catch (IOException e) {
-				e.printStackTrace();
-			}
-		}
-		return null;
-	}
-}

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

@@ -1,83 +0,0 @@
-package chess.view.DDDrender;
-
-import org.joml.Matrix4f;
-import org.joml.Vector3f;
-
-public class Camera {
-    public static final float fov = 70.0f;
-    public static final float zNear = 0.01f;
-    public static final float zFar = 1000.0f;
-
-    private static final Vector3f up = new Vector3f(0.0f, 1.0f, 0.0f);
-    private static final Vector3f center = new Vector3f(0.0f, 0.0f, 0.0f);
-
-    private final float distance = 1.5f;
-    private final float camHeight = 1.5f;
-
-
-    private float aspectRatio;
-    private float angle;
-
-    private Vector3f pos;
-
-    public Camera() {
-        this.pos = new Vector3f(0.0f, camHeight, 0.0f);
-        this.angle = 0.0f;
-    }
-
-    public void move(float x, float y) {
-        this.pos.x += x;
-        this.pos.y += y;
-    }
-
-    public void setRotateAngle(float angle) {
-        this.angle = angle;
-        updatePostion();
-    }
-
-    private void updatePostion() {
-        final float finalX = (float) Math.sin(angle);
-        final float finalZ = (float) -Math.cos(angle);
-        this.pos.set(distance * finalX, this.pos.get(1), distance * finalZ);
-    }
-
-    public float getRotateAngle() {
-        return angle;
-    }
-
-    public Vector3f getPos() {
-        return pos;
-    }
-
-    public float getFov() {
-        return fov;
-    }
-
-    public void setX(float x) {
-        this.pos.x = x;
-    }
-
-    public void setY(float y) {
-        this.pos.y = y;
-    }
-
-    public void setZ(float z) {
-        this.pos.z = z;
-    }
-
-    public void setPosition(Vector3f pos) {
-        this.pos = pos;
-    }
-
-    public void setAspectRatio(float aspectRatio) {
-        this.aspectRatio = aspectRatio;
-    }
-
-    public Matrix4f getPerspectiveMatrix() {
-        return new Matrix4f().perspective((float) (Math.toRadians(fov)), aspectRatio, zNear, zFar);
-    }
-
-    public Matrix4f getViewMatrix() {
-        return new Matrix4f().lookAt(pos, center, up);
-    }
-}

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

@@ -1,18 +0,0 @@
-package chess.view.DDDrender;
-
-import java.util.List;
-
-import chess.view.DDDrender.opengl.VertexArray;
-
-public class DDDModel {
-	private final List<VertexArray> vaos;
-
-	public DDDModel(List<VertexArray> vaos) {
-		this.vaos = vaos;
-	}
-
-	public List<VertexArray> getVaos() {
-		return vaos;
-	}
-
-}

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

@@ -1,16 +0,0 @@
-package chess.view.DDDrender;
-
-import org.joml.Vector2f;
-
-import chess.model.Coordinate;
-
-class DDDPlacement {
-	static public Vector2f coordinates_to_vector(Coordinate coo) {
-		return coordinates_to_vector(coo.getX(), coo.getY());
-	}
-
-	static public Vector2f coordinates_to_vector(float x, float y) {
-		return new Vector2f(1.0f - 0.125f - x * 0.250f, 1.0f - 0.125f - y * 0.250f);
-	}
-	
-}

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

@@ -1,78 +0,0 @@
-package chess.view.DDDrender;
-
-import org.joml.Vector2f;
-import org.joml.Vector3f;
-
-import chess.controller.CommandExecutor;
-import chess.controller.commands.GetPieceAtCommand;
-import chess.controller.event.GameAdaptator;
-import chess.model.Color;
-import chess.model.Coordinate;
-import chess.model.Piece;
-import chess.view.DDDrender.world.PieceEntity;
-import chess.view.DDDrender.world.World;
-
-public class DDDView extends GameAdaptator {
-
-	private static final Vector3f BLACK = new Vector3f(0.3f, 0.3f, 0.3f);
-	private static final Vector3f WHITE = new Vector3f(1.0f, 1.0f, 1.0f);
-
-	private final CommandExecutor commandExecutor;
-	private final Window window;
-	private final Renderer renderer;
-	private final World world;
-
-	public DDDView(CommandExecutor commandExecutor) {
-		this.commandExecutor = commandExecutor;
-		this.renderer = new Renderer();
-		this.world = new World(new Camera());
-		this.window = new Window(this.renderer, this.world);
-		this.window.OnCellClick.connect(this::onCellClick);
-	}
-
-	// Invoked when a cell is clicked
-	private void onCellClick(Coordinate coordinate) {
-
-	}
-
-	private Piece pieceAt(Coordinate pos) {
-		GetPieceAtCommand cmd = new GetPieceAtCommand(pos);
-		this.commandExecutor.executeCommand(cmd);
-		return cmd.getPiece();
-	}
-
-	@Override
-	public void onGameStart() {
-		this.window.scheduleTask(() -> {
-			initBoard();
-		});
-	}
-
-	private void initBoard() {
-		for (int i = 0; i < Coordinate.VALUE_MAX; i++) {
-			for (int j = 0; j < Coordinate.VALUE_MAX; j++) {
-				Coordinate pos = new Coordinate(i, j);
-				Piece piece = pieceAt(pos);
-				if (piece == null)
-					continue;
-
-				Vector2f pieceBoardPos = DDDPlacement.coordinates_to_vector(pos);
-				Vector3f pieceWorldPos = new Vector3f(pieceBoardPos.x(), 0, pieceBoardPos.y());
-
-				this.world.addEntity(new PieceEntity(piece, pieceWorldPos,
-						piece.getColor() == Color.White ? WHITE : BLACK,
-						piece.getColor() == Color.White ? 0.0f : (float) Math.PI));
-			}
-		}
-	}
-
-	public void run() {
-		this.window.addRegularTask((delta) -> {
-			final float angle = 1f;
-			final Camera cam = this.world.getCamera();
-			cam.setRotateAngle(cam.getRotateAngle() + angle * delta);
-		});
-		this.window.run();
-	}
-
-}

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

@@ -1,62 +0,0 @@
-package chess.view.DDDrender;
-
-import static org.lwjgl.opengl.GL11.GL_UNSIGNED_INT;
-
-import org.joml.Matrix4f;
-import org.joml.Vector3f;
-import org.lwjgl.opengl.GL30;
-
-import chess.view.DDDrender.loader.BoardModelLoader;
-import chess.view.DDDrender.opengl.VertexArray;
-import chess.view.DDDrender.shader.BoardShader;
-import chess.view.DDDrender.shader.PieceShader;
-import chess.view.DDDrender.shader.ShaderProgram;
-
-public class Renderer {
-	private BoardShader boardShader;
-	private PieceShader pieceShader;
-	private VertexArray boardVao;
-
-	public Renderer() {
-		this.boardShader = new BoardShader();
-		this.pieceShader = new PieceShader();
-	}
-
-	public void Init() {
-		boardShader.LoadShader();
-		pieceShader.LoadShader();
-		this.boardVao = BoardModelLoader.GetBoardModel();
-	}
-
-	public void Update(Camera cam) {
-		this.boardShader.Start();
-		this.boardShader.SetCamMatrix(cam);
-		this.pieceShader.Start();
-		this.pieceShader.SetCamMatrix(cam);
-	}
-	
-	public void RenderBoard() {
-		RenderVao(this.boardShader, this.boardVao);
-	}
-
-	public void Render(DDDModel model, Vector3f color, Vector3f position, float rotation) {
-		this.pieceShader.Start();
-		this.pieceShader.setModelColor(color);
-		this.pieceShader.setModelTransform(new Matrix4f().translate(position).rotate(rotation, new Vector3f(0, 1, 0)));
-		Render(model);
-	}
-
-	public void Render(DDDModel model) {
-		for (int i = 0; i < model.getVaos().size(); i++) {
-			VertexArray vao = model.getVaos().get(i);
-			RenderVao(this.pieceShader, vao);
-		}
-	}
-
-	public void RenderVao(ShaderProgram shader, VertexArray vertexArray) {
-		shader.Start();
-		vertexArray.Bind();
-		GL30.glDrawElements(GL30.GL_TRIANGLES, vertexArray.GetVertexCount(), GL_UNSIGNED_INT, 0);
-		vertexArray.Unbind();
-	}
-}

app/src/main/java/chess/view/DDDrender/loader/ModelLoader.java

@@ -1,143 +0,0 @@
-package chess.view.DDDrender.loader;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.nio.ByteBuffer;
-import java.nio.IntBuffer;
-import java.util.ArrayList;
-import java.util.List;
-
-import org.lwjgl.assimp.AIFace.Buffer;
-import org.lwjgl.assimp.AIMesh;
-import org.lwjgl.assimp.AINode;
-import org.lwjgl.assimp.AIScene;
-import org.lwjgl.assimp.AIVector3D;
-import org.lwjgl.assimp.Assimp;
-import org.lwjgl.system.MemoryUtil;
-
-import chess.view.AssetManager;
-import chess.view.DDDrender.DDDModel;
-import chess.view.DDDrender.opengl.ElementBuffer;
-import chess.view.DDDrender.opengl.VertexArray;
-import chess.view.DDDrender.opengl.VertexBuffer;
-
-public class ModelLoader {
-
-	private static final int VERTEX_SIZE = 3;
-	private static final int UV_SIZE = 2;
-	private static final int VERTEX_POSITION_INDEX = 0;
-	private static final int VERTEX_UV_INDEX = 1;
-	private static final int VERTEX_NORMAL_INDEX = 2;
-
-	private static float[] toFloatArray(List<Float> list) {
-		float[] result = new float[list.size()];
-		for (int i = 0; i < list.size(); i++) {
-			result[i] = list.get(i);
-		}
-		return result;
-	}
-
-	private static int[] toIntArray(List<Integer> list) {
-		int[] result = new int[list.size()];
-		for (int i = 0; i < list.size(); i++) {
-			result[i] = list.get(i);
-		}
-		return result;
-	}
-
-	private static VertexArray processMesh(AIMesh mesh, AIScene scene) {
-		List<Float> positions = new ArrayList<>();
-		List<Float> textureCoords = new ArrayList<>();
-		List<Float> normals = new ArrayList<>();
-
-		List<Integer> indicies = new ArrayList<>();
-
-		Buffer faces = mesh.mFaces();
-		int faceNumber = mesh.mNumFaces();
-
-		for (int i = 0; i < faceNumber; i++) {
-			IntBuffer faceIndicies = faces.get(i).mIndices();
-			for (int j = 0; j < faceIndicies.capacity(); j++) {
-				indicies.add(faceIndicies.get(j));
-			}
-		}
-
-		int vertNumber = mesh.mNumVertices();
-		org.lwjgl.assimp.AIVector3D.Buffer vertecies = mesh.mVertices();
-		for (int i = 0; i < vertNumber; i++) {
-			AIVector3D vertex = vertecies.get(i);
-			positions.add(vertex.x());
-			positions.add(vertex.y());
-			positions.add(vertex.z());
-		}
-
-		org.lwjgl.assimp.AIVector3D.Buffer vertexNormals = mesh.mNormals();
-		for (int i = 0; i < vertNumber; i++) {
-			AIVector3D normal = vertexNormals.get(i);
-			normals.add(normal.x());
-			normals.add(normal.y());
-			normals.add(normal.z());
-		}
-
-		// PointerBuffer vertexTexture = mesh.mTextureCoords();
-		// for (int i = 0; i < vertNumber; i++) {
-		// 	PointerBuffer buff = mesh.mTextureCoords();
-		// 	textureCoords.add(buff.get(i).x());
-		// 	textureCoords.add(buff.get(i).y());
-		// }
-
-		VertexBuffer positionVBO = new VertexBuffer(toFloatArray(positions), VERTEX_SIZE);
-		positionVBO.AddVertexAttribPointer(VERTEX_POSITION_INDEX, VERTEX_SIZE, 0);
-		VertexBuffer textureVBO = new VertexBuffer(toFloatArray(textureCoords), UV_SIZE);
-		textureVBO.AddVertexAttribPointer(VERTEX_UV_INDEX, UV_SIZE, 0);
-		VertexBuffer normalVBO = new VertexBuffer(toFloatArray(normals), VERTEX_SIZE);
-		normalVBO.AddVertexAttribPointer(VERTEX_NORMAL_INDEX, VERTEX_SIZE, 0);
-
-		VertexArray vao = new VertexArray(new ElementBuffer(toIntArray(indicies)));
-		vao.Bind();
-		vao.BindVertexBuffer(positionVBO);
-		vao.BindVertexBuffer(textureVBO);
-		vao.BindVertexBuffer(normalVBO);
-		vao.Unbind();
-		return vao;
-
-	}
-
-	private static void processNode(AINode node, AIScene scene, List<VertexArray> meshes) {
-		for (int i = 0; i < node.mNumChildren(); i++) {
-			AINode child = AINode.create(node.mChildren().get(i));
-			processNode(child, scene, meshes);
-		}
-		for (int i = 0; i < node.mNumMeshes(); i++) {
-			AIMesh mesh = AIMesh.create(scene.mMeshes().get(node.mMeshes().get(i)));
-			meshes.add(processMesh(mesh, scene));
-		}
-	}
-
-	public static DDDModel loadModel(String filename) throws IOException {
-		InputStream input = AssetManager.getResource(filename);
-		byte[] buffer = input.readAllBytes();
-		ByteBuffer data = MemoryUtil.memCalloc(buffer.length);
-		data.put(buffer);
-		data.flip();
-
-		AIScene scene = Assimp.aiImportFileFromMemory(
-				data,
-				Assimp.aiProcess_Triangulate | Assimp.aiProcess_PreTransformVertices | Assimp.aiProcess_GlobalScale
-						| Assimp.aiProcess_ValidateDataStructure,
-				"");
-
-		if (scene == null)
-			System.err.println(Assimp.aiGetErrorString());
-
-		List<VertexArray> vertecies = new ArrayList<>();
-
-		processNode(scene.mRootNode(), scene, vertecies);
-
-		MemoryUtil.memFree(data);
-
-		return new DDDModel(vertecies);
-
-	}
-
-}

app/src/main/java/chess/view/DDDrender/loader/Piece3DModel.java

@@ -1,75 +0,0 @@
-package chess.view.DDDrender.loader;
-
-import java.io.IOException;
-import java.util.HashMap;
-import java.util.Map;
-
-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;
-import chess.view.DDDrender.DDDModel;
-
-public class Piece3DModel implements PieceVisitor<String> {
-
-	private static final String basePath = "3d/";
-	private static final Map<String, DDDModel> cache = new HashMap<>();
-
-	public DDDModel getModel(Piece piece) throws IOException {
-		if (piece == null)
-			return null;
-
-		String path = basePath + colorToString(piece.getColor()) + "-" + visit(piece) + ".fbx";
-		return getModel(path);
-	}
-
-	private DDDModel getModel(String path) throws IOException {
-		DDDModel model = cache.get(path);
-		if (model != null)
-			return model;
-
-		model = ModelLoader.loadModel(path);
-		cache.put(path, model);
-		return model;
-	}
-
-	private String colorToString(Color color) {
-		return color == Color.Black ? "black" : "white";
-	}
-
-	@Override
-	public String visitPiece(Bishop bishop) {
-		return "bishop";
-	}
-
-	@Override
-	public String visitPiece(King king) {
-		return "king";
-	}
-
-	@Override
-	public String visitPiece(Knight knight) {
-		return "knight";
-	}
-
-	@Override
-	public String visitPiece(Pawn pawn) {
-		return "pawn";
-	}
-
-	@Override
-	public String visitPiece(Queen queen) {
-		return "queen";
-	}
-
-	@Override
-	public String visitPiece(Rook rook) {
-		return "rook";
-	}
-
-}

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

@@ -1,5 +0,0 @@
-package chess.view.DDDrender.opengl;
-
-public record VertexAttribPointer(int index, int size, int offset) {
-	
-}

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

@@ -1,102 +0,0 @@
-package chess.view.DDDrender.shader;
-
-import chess.view.DDDrender.Camera;
-
-public class BoardShader extends ShaderProgram {
-
-	private static String vertexShader = """
-			#version 330
-
-			layout(location = 0) in vec3 position;
-			layout(location = 1) in vec3 color;
-
-			uniform mat4 viewMatrix;
-			uniform mat4 projectionMatrix;
-			uniform vec3 lightPosition = vec3(0, 10, 0);
-
-			flat out vec3 pass_color;
-
-			out vec3 toLightVector;
-			out vec3 toCameraVector;
-			out vec3 surfaceNormal;
-
-			void main(void){
-				const vec4 normal = vec4(0.0, 1.0, 0.0, 1.0);
-
-				gl_Position = projectionMatrix * viewMatrix * vec4(position, 1.0);
-
-				vec3 camPos = (inverse(viewMatrix) * vec4(0.0, 0.0, 0.0, 1.0)).xyz;
-
-				toLightVector = lightPosition - position;
-
-				toCameraVector = camPos - position;
-				surfaceNormal = (normal).xyz;
-
-				pass_color = color;
-			}
-
-				""";
-
-	private static String fragmentShader = """
-			#version 330
-
-			flat in vec3 pass_color;
-
-			in vec3 toLightVector;
-			in vec3 toCameraVector;
-			in vec3 surfaceNormal;
-
-			out vec4 out_color;
-
-			void main(void){
-				const float shineDamper = 10.0;
-				const float reflectivity = 1.0;
-
-				float lightDistance = length(toLightVector);
-
-				const vec3 attenuation = vec3(0.2, 0.1, 0.0);
-				float attenuationFactor = attenuation.x + attenuation.y * lightDistance + attenuation.z * lightDistance * lightDistance;
-
-				vec3 unitNormal = normalize(surfaceNormal);
-				vec3 unitLightVector = normalize(toLightVector);
-				vec3 unitCamVector = normalize(toCameraVector);
-
-				vec3 lightDirection = -unitLightVector;
-				vec3 reflectedLightDirection = reflect(lightDirection, unitNormal);
-
-				float diffuse = max(0.2, dot(unitNormal, unitLightVector));
-
-				float specularFactor = max(0.0, dot(reflectedLightDirection, unitCamVector));
-				float specular = pow(specularFactor, shineDamper) * reflectivity;
-
-				float brightness = (diffuse + specular) / attenuationFactor;
-
-				out_color = brightness * vec4(pass_color, 1.0);
-				out_color.w = 1.0;
-
-			}
-
-				""";
-
-	private int location_ProjectionMatrix = 0;
-	private int location_ViewMatrix = 0;
-
-	public BoardShader() {
-
-	}
-
-	public void LoadShader() {
-		super.LoadProgram(vertexShader, fragmentShader);
-	}
-
-	@Override
-	protected void GetAllUniformLocation() {
-		location_ProjectionMatrix = GetUniformLocation("projectionMatrix");
-		location_ViewMatrix = GetUniformLocation("viewMatrix");
-	}
-
-	public void SetCamMatrix(Camera camera) {
-		LoadMat4(location_ProjectionMatrix, camera.getPerspectiveMatrix());
-		LoadMat4(location_ViewMatrix, camera.getViewMatrix());
-	}
-}

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

@@ -1,117 +0,0 @@
-package chess.view.DDDrender.shader;
-
-import org.joml.Matrix4f;
-import org.joml.Vector3f;
-
-import chess.view.DDDrender.Camera;
-
-public class PieceShader extends ShaderProgram {
-
-	private static String vertexShader = """
-			#version 330
-
-			layout(location = 0) in vec3 position;
-			layout(location = 1) in vec2 uv;
-			layout(location = 2) in vec3 normal;
-
-			uniform mat4 projectionMatrix;
-			uniform mat4 viewMatrix;
-			uniform mat4 modelTransform;
-			uniform vec3 lightPosition = vec3(0, 10, 0);
-
-			out vec3 toLightVector;
-			out vec3 toCameraVector;
-			out vec3 surfaceNormal;
-
-			void main(void){
-
-				vec4 modelPos = modelTransform * vec4(position, 1.0);
-				vec4 globalNormal = modelTransform * vec4(normal, 1.0);
-
-				gl_Position = projectionMatrix * viewMatrix * modelPos;
-
-				vec3 camPos = (inverse(viewMatrix) * vec4(0.0, 0.0, 0.0, 1.0)).xyz;
-
-				toLightVector = lightPosition - modelPos.xyz;
-
-				toCameraVector = camPos - position;
-				surfaceNormal = normalize(globalNormal.xyz);
-			}
-
-				""";
-
-	private static String fragmentShader = """
-			#version 330
-
-			in vec3 toLightVector;
-			in vec3 toCameraVector;
-			in vec3 surfaceNormal;
-
-			uniform vec3 modelColor;
-
-			out vec4 out_color;
-
-			void main(void){
-				const float shineDamper = 10.0;
-				const float reflectivity = 1.0;
-
-				float lightDistance = length(toLightVector);
-
-				const vec3 attenuation = vec3(0.2, 0.1, 0.0);
-				float attenuationFactor = attenuation.x + attenuation.y * lightDistance + attenuation.z * lightDistance * lightDistance;
-
-				vec3 unitNormal = normalize(surfaceNormal);
-				vec3 unitLightVector = normalize(toLightVector);
-				vec3 unitCamVector = normalize(toCameraVector);
-
-				vec3 lightDirection = -unitLightVector;
-				vec3 reflectedLightDirection = reflect(lightDirection, unitNormal);
-
-				float diffuse = max(0.2, dot(unitNormal, unitLightVector));
-
-				float specularFactor = max(0.0, dot(reflectedLightDirection, unitCamVector));
-				float specular = pow(specularFactor, shineDamper) * reflectivity;
-
-				float brightness = (diffuse + specular) / attenuationFactor;
-
-				out_color = brightness * vec4(modelColor, 1.0);
-				out_color.w = 1.0;
-
-			}
-
-				""";
-
-	private int location_ProjectionMatrix = 0;
-	private int location_ViewMatrix = 0;
-	private int location_ModelTransform = 0;
-	private int location_ModelColor = 0;
-
-	public PieceShader() {
-
-	}
-
-	public void LoadShader() {
-		super.LoadProgram(vertexShader, fragmentShader);
-	}
-
-	@Override
-	protected void GetAllUniformLocation() {
-		location_ProjectionMatrix = GetUniformLocation("projectionMatrix");
-		location_ViewMatrix = GetUniformLocation("viewMatrix");
-		location_ModelTransform = GetUniformLocation("modelTransform");
-		location_ModelColor = GetUniformLocation("modelColor");
-	}
-
-	public void SetCamMatrix(Camera camera) {
-		LoadMat4(location_ProjectionMatrix, camera.getPerspectiveMatrix());
-		LoadMat4(location_ViewMatrix, camera.getViewMatrix());
-	}
-
-	public void setModelTransform(Matrix4f mat) {
-		LoadMat4(location_ModelTransform, mat);
-	}
-
-	public void setModelColor(Vector3f color) {
-		LoadVector(location_ModelColor, color);
-	}
-}

app/src/main/java/chess/view/DDDrender/world/Entity.java

@@ -1,9 +0,0 @@
-package chess.view.DDDrender.world;
-
-import chess.view.DDDrender.Renderer;
-
-public abstract class Entity {
-
-	public abstract void render(Renderer renderer);
-	
-}

app/src/main/java/chess/view/DDDrender/world/PieceEntity.java

@@ -1,55 +0,0 @@
-package chess.view.DDDrender.world;
-
-import java.io.IOException;
-
-import org.joml.Vector3f;
-
-import chess.model.Piece;
-import chess.view.DDDrender.DDDModel;
-import chess.view.DDDrender.Renderer;
-import chess.view.DDDrender.loader.Piece3DModel;
-
-public class PieceEntity extends Entity {
-
-	private static final Piece3DModel modelLoader = new Piece3DModel();
-
-	private final Piece piece;
-	private Vector3f position;
-	private Vector3f color;
-	private float rotation;
-	private DDDModel model;
-
-	public PieceEntity(Piece piece, Vector3f position, Vector3f color, float rotation) {
-		this.piece = piece;
-		this.position = position;
-		this.color = color;
-		this.rotation = rotation;
-		try {
-			this.model = modelLoader.getModel(piece);
-		} catch (IOException e) {
-			e.printStackTrace();
-		}
-	}
-
-	public Piece getPiece() {
-		return piece;
-	}
-
-	@Override
-	public void render(Renderer renderer) {
-		renderer.Render(model, color, position, rotation);
-	}
-
-	public void setPosition(Vector3f position) {
-		this.position = position;
-	}
-
-	public void setColor(Vector3f color) {
-		this.color = color;
-	}
-
-	public void setRotation(float rotation) {
-		this.rotation = rotation;
-	}
-	
-}

app/src/main/java/chess/view/DDDrender/world/World.java

@@ -1,40 +0,0 @@
-package chess.view.DDDrender.world;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import chess.model.Piece;
-import chess.view.DDDrender.Camera;
-
-public class World {
-	private final Camera camera;
-	private final List<Entity> entites;
-
-	public World(Camera camera) {
-		this.camera = camera;
-		this.entites = new ArrayList<>();
-	}
-
-	public PieceEntity getEntity(Piece piece) {
-		for (Entity entity : entites) {
-			if (entity instanceof PieceEntity p) {
-				if (p.getPiece() == piece)
-					return p;
-			}
-		}
-		return null;
-	}
-
-	public void addEntity(Entity entity) {
-		this.entites.add(entity);
-	}
-
-	public Camera getCamera() {
-		return camera;
-	}
-
-	public List<Entity> getEntites() {
-		return entites;
-	}
-
-}

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

@@ -1,38 +0,0 @@
-package chess.view.consolerender;
-
-public class Colors {
-    // Reset
-    public static final String RESET = "\u001B[0m";  // Text Reset
-
-    // Regular Colors
-    public static final String BLACK    = "\033[38;2;0;0;0m";
-    public static final String WHITE    = "\033[38;2;255;255;255m";
-    public static final String RED      = "\033[38;2;255;0;0m";
-    public static final String GREEN    = "\033[38;2;0;255;0m";
-    public static final String YELLOW   = "\033[38;2;255;255;0m";
-    public static final String BLUE     = "\033[38;2;0;0;255m";
-    public static final String PURPLE   = "\033[38;2;255;0;255m";
-    public static final String CYAN     = "\033[38;2;0;255;255m";
-
-    // Background
-    public static final String BLACK_BACKGROUND     = "\033[40m";  // BLACK
-    public static final String LIGHT_GRAY_BACKGROUND = "\033[48;2;180;180;180m";
-    public static final String DARK_GRAY_BACKGROUND = "\033[48;2;120;120;120m";
-    public static final String RED_BACKGROUND       = "\033[41m";    // RED
-    public static final String GREEN_BACKGROUND     = "\033[42m";  // GREEN
-    public static final String YELLOW_BACKGROUND    = "\033[43m"; // YELLOW
-    public static final String BLUE_BACKGROUND      = "\033[44m";   // BLUE
-    public static final String PURPLE_BACKGROUND    = "\033[45m"; // PURPLE
-    public static final String CYAN_BACKGROUND      = "\033[46m";   // CYAN
-    public static final String WHITE_BACKGROUND     = "\033[47m";  // WHITE
-
-    // High Intensity backgrounds
-    public static final String BLACK_BACKGROUND_BRIGHT = "\033[0;100m";// BLACK
-    public static final String RED_BACKGROUND_BRIGHT = "\033[0;101m";// RED
-    public static final String GREEN_BACKGROUND_BRIGHT = "\033[0;102m";// GREEN
-    public static final String YELLOW_BACKGROUND_BRIGHT = "\033[0;103m";// YELLOW
-    public static final String BLUE_BACKGROUND_BRIGHT = "\033[0;104m";// BLUE
-    public static final String PURPLE_BACKGROUND_BRIGHT = "\033[0;105m"; // PURPLE
-    public static final String CYAN_BACKGROUND_BRIGHT = "\033[0;106m";  // CYAN
-    public static final String WHITE_BACKGROUND_BRIGHT = "\033[0;107m";   // WHITE
-}

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

@@ -1,336 +0,0 @@
-package chess.view.consolerender;
-
-import chess.controller.Command;
-import chess.controller.CommandExecutor;
-import chess.controller.commands.*;
-import chess.controller.commands.PromoteCommand.PromoteType;
-import chess.controller.event.GameListener;
-import chess.model.Color;
-import chess.model.Coordinate;
-import chess.model.Move;
-import chess.model.Piece;
-
-import java.util.List;
-import java.util.Objects;
-import java.util.Scanner;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-
-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 final ExecutorService executor;
-
-    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) {
-        return pieceAt(new Coordinate(x, y));
-    }
-
-    private Command.CommandResult sendCommand(Command command) {
-        return this.commandExecutor.executeCommand(command);
-    }
-
-    private Piece pieceAt(Coordinate coordinate) {
-        GetPieceAtCommand command = new GetPieceAtCommand(coordinate);
-        sendCommand(command);
-        return command.getPiece();
-    }
-
-    public Coordinate stringToCoordinate(String coordinates) throws Exception {
-        char xPos = coordinates.charAt(0);
-        char yPos = coordinates.charAt(1);
-        int x;
-        if (xPos >= 'A' && xPos <= 'Z') {
-            x = xPos - 'A';
-        } else if (xPos >= 'a' && xPos <= 'z') {
-            x = xPos - 'a';
-        } else {
-            throw new Exception("Invalid input");
-        }
-        if (!(yPos >= '1' && yPos <= '9')) {
-            throw new Exception("Invalid input");
-        }
-        int y = Coordinate.VALUE_MAX - 1 - (yPos - '1');
-        return new Coordinate(x, y);
-    }
-
-    @Override
-    public void onPlayerTurn(Color color, boolean undone) {
-        if (!captureInput)
-            return;
-        System.out.println(Colors.RED + "Player turn: " + color + Colors.RESET);
-        this.executor.submit(() -> {
-            boolean endTurn;
-            String line = "0";
-            do {
-                if (!line.isEmpty()) {
-                    System.out.println("""
-                            Pick your choice:
-                            1 - Move
-                            2 - Show potential moves
-                            3 - Surrender
-                            """);
-                    System.out.flush();
-                }
-                line = scanner.nextLine();
-                endTurn = switch (line) {
-                    case "1" -> playerPickedMove(color);
-                    case "2" -> playerPickedShowMoves(color);
-                    case "3" -> playerPickedSurrender(color);
-                    default -> false;
-                };
-            } while (!endTurn);
-        });
-    }
-
-    private boolean playerPickedSurrender(Color color) {
-        sendCommand(new SurrenderCommand(color));
-        return true;
-    }
-
-    public boolean playerPickedMove(Color color) {
-        try {
-            System.out.println("Piece to move, or \"castling\" for a castling");
-            String answer = scanner.nextLine();
-            if (answer.equalsIgnoreCase("castling")) {
-                return onAskedCastling();
-            }
-            Coordinate start = stringToCoordinate(answer);
-            System.out.println("New position: ");
-            Coordinate end = stringToCoordinate(scanner.nextLine());
-            Command.CommandResult result = sendCommand(new MoveCommand(new Move(start, end)));
-
-            return switch (Objects.requireNonNull(result)) {
-                case Command.CommandResult.Moved, Command.CommandResult.ActionNeeded -> true;
-                default -> false;
-            };
-
-        } catch (Exception e) {
-            System.out.println(e.getMessage());
-            return false;
-        }
-    }
-
-    private boolean playerPickedShowMoves(Color color) {
-        try {
-            System.out.println("Piece to examine: ");
-            Coordinate piece = stringToCoordinate(scanner.nextLine());
-            GetAllowedMovesPieceCommand movesCommand = new GetAllowedMovesPieceCommand(piece);
-            if (sendCommand(movesCommand) == Command.CommandResult.NotAllowed) {
-                System.out.println("Not allowed.");
-                return false;
-            }
-            List<Coordinate> allowedMoves = movesCommand.getDestinations();
-            if (allowedMoves.isEmpty()) {
-                System.out.println("No moves allowed for this piece.");
-                return false;
-            }
-            displayMoves(piece, allowedMoves);
-            return false;
-        } catch (Exception e) {
-            System.out.println(e.getMessage());
-            return false;
-        }
-    }
-
-    @Override
-    public void onWin(Color color) {
-        System.out.println(Colors.RED + "Victory of player " + color + Colors.RESET);
-    }
-
-    @Override
-    public void onKingInCheck() {
-        System.out.println(Colors.RED + "Check!" + Colors.RESET);
-    }
-
-    @Override
-    public void onKingInMat() {
-        System.out.println(Colors.RED + "Checkmate!" + Colors.RESET);
-    }
-
-    @Override
-    public void onPatSituation() {
-        System.out.println("Pat! It's a draw!");
-    }
-
-    @Override
-    public void onSurrender(Color color) {
-        System.out.println("The " + color + " player has surrendered!");
-    }
-
-    @Override
-    public void onGameStart() {
-        System.out.println("Game start!");
-        onBoardUpdate();
-    }
-
-    @Override
-    public void onGameEnd() {
-        System.out.println("Thank you for playing!");
-        this.commandExecutor.close();
-        this.executor.shutdown();
-    }
-
-    @Override
-    public void onPromotePawn(Coordinate pieceCoords) {
-        System.out.println("The pawn on the " + pieceCoords + " coordinates needs to be promoted.");
-        System.out.println("Enter 'B' to promote it into a Bishop, 'N' for a Knight, 'Q' for a Queen, 'R' for a Rook.");
-        System.out.flush();
-        this.executor.submit(() -> {
-            PromoteType newPiece;
-            boolean valid = false;
-            do {
-                try {
-                    String promotion = scanner.next();
-                    newPiece = switch (promotion) {
-                        case "B", "b", "Bishop", "bishop" -> PromoteType.Bishop;
-                        case "N", "n", "Knight", "knight" -> PromoteType.Knight;
-                        case "Q", "q", "Queen", "queen" -> PromoteType.Queen;
-                        case "R", "r", "Rook", "rook" -> PromoteType.Rook;
-                        default -> throw new Exception();
-                    };
-                    valid = true;
-                    sendCommand(new PromoteCommand(newPiece));
-                } catch (Exception e) {
-                    System.out.println("Invalid input!");
-                }
-            } while (!valid);
-        });
-    }
-
-    @Override
-    public void onBoardUpdate() {
-        if (!this.captureInput)
-            return;
-        StringBuilder string = new StringBuilder();
-        string.append("   a  b  c  d  e  f  g  h \n");
-        for (int i = 0; i < Coordinate.VALUE_MAX; i++) {
-            string.append(8 - i).append(" ");
-            for (int j = 0; j < Coordinate.VALUE_MAX; j++) {
-                Piece p = pieceAt(j, i);
-                if ((i + j) % 2 == 0) {
-                    string.append(Colors.LIGHT_GRAY_BACKGROUND);
-                } else {
-                    string.append(Colors.DARK_GRAY_BACKGROUND);
-                }
-                if (p == null) {
-                    string.append("   " + Colors.RESET);
-                } else {
-                    string.append(" ").append(consolePieceName.getString(p)).append(" ").append(Colors.RESET);
-                }
-            }
-            string.append("\n");
-        }
-        System.out.println(string);
-        System.out.flush();
-    }
-
-    public void displayMoves(Coordinate piece, List<Coordinate> moves) {
-        StringBuilder string = new StringBuilder();
-        string.append("   a  b  c  d  e  f  g  h \n");
-        for (int i = 0; i < Coordinate.VALUE_MAX; i++) {
-            string.append(8 - i).append(" ");
-            for (int j = 0; j < Coordinate.VALUE_MAX; j++) {
-                Coordinate currentCell = new Coordinate(j, i);
-                Piece p = pieceAt(j, i);
-                if (moves.contains(currentCell)) {
-                    string.append(Colors.YELLOW_BACKGROUND);
-                } else {
-                    if ((i + j) % 2 == 0) {
-                        string.append(Colors.LIGHT_GRAY_BACKGROUND);
-                    } else {
-                        string.append(Colors.DARK_GRAY_BACKGROUND);
-                    }
-                }
-                if (p == null) {
-                    string.append("   " + Colors.RESET);
-                } else {
-                    if (currentCell.equals(piece)) {
-                        string.append(Colors.RED_BACKGROUND).append(" ").append(consolePieceName.getString(p))
-                                .append(" ").append(Colors.RESET);
-                    } else {
-                        string.append(" ").append(consolePieceName.getString(p)).append(" ").append(Colors.RESET);
-                    }
-                }
-            }
-            string.append("\n");
-        }
-        System.out.println(string);
-    }
-
-    @Override
-    public void onMove(Move move) {
-    }
-
-    @Override
-    public void onMoveNotAllowed(Move move) {
-        System.out.println("Move not allowed.");
-    }
-
-    @Override
-    public void onDraw() {
-        System.out.println("Repeated positions!");
-    }
-
-    private boolean onAskedCastling() {
-        GetAllowedCastlingsCommand cmd = new GetAllowedCastlingsCommand();
-        sendCommand(cmd);
-        return switch (cmd.getCastlingResult()) {
-            case Small -> onSmallCastling();
-            case Big -> onBigCastling();
-            case Both -> onBothCastling();
-            default -> {
-                System.out.println("No castling allowed.");
-                yield false;
-            }
-        };
-    }
-
-    private boolean onSmallCastling() {
-        System.out.println("Small castling allowed. Confirm with \"y\":");
-        String answer = scanner.nextLine();
-        if (!(answer.equalsIgnoreCase("y") || answer.equalsIgnoreCase("yes"))) {
-            return false;
-        } else {
-            return (commandExecutor.executeCommand(new CastlingCommand(false)) != Command.CommandResult.Moved);
-        }
-    }
-
-    private boolean onBigCastling() {
-        System.out.println("Big castling allowed. Confirm with \"y\":");
-        String answer = scanner.nextLine();
-        if (!(answer.equalsIgnoreCase("y") || answer.equalsIgnoreCase("yes"))) {
-            return false;
-        } else {
-            return (commandExecutor.executeCommand(new CastlingCommand(true)) != Command.CommandResult.Moved);
-        }
-    }
-
-    private boolean onBothCastling() {
-        System.out.println("Both castlings allowed. Pick \"s\" to play a castling, \"b\" to play a big castling.");
-        String answer = scanner.nextLine();
-        return switch (answer) {
-            case "s", "S", "small", "Small", "castling", "normal", "Normal" ->
-                (commandExecutor.executeCommand(new CastlingCommand(false)) != Command.CommandResult.Moved);
-            case "b", "B", "big", "Big", "big castling", "Big castling" ->
-                (commandExecutor.executeCommand(new CastlingCommand(true)) != Command.CommandResult.Moved);
-            default -> false;
-        };
-    }
-
-    public void setCaptureInput(boolean captureInput) {
-        this.captureInput = captureInput;
-    }
-
-}

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

@@ -1,48 +0,0 @@
-package chess.view.consolerender;
-
-import chess.model.Color;
-import chess.model.Piece;
-import chess.model.PieceVisitor;
-import chess.model.pieces.*;
-
-public class ConsolePieceName implements PieceVisitor<String> {
-
-    public String getString(Piece piece){
-        if (piece.getColor()== Color.Black){
-            return Colors.BLACK + visit(piece);
-        }
-        else {
-            return Colors.WHITE + visit(piece);
-        }
-    }
-
-    @Override
-    public String visitPiece(Bishop bishop) {
-        return "B";
-    }
-
-    @Override
-    public String visitPiece(King king) {
-        return "K";
-    }
-
-    @Override
-    public String visitPiece(Knight knight) {
-        return "N";
-    }
-
-    @Override
-    public String visitPiece(Pawn pawn) {
-        return "P";
-    }
-
-    @Override
-    public String visitPiece(Queen queen) {
-        return "Q";
-    }
-
-    @Override
-    public String visitPiece(Rook rook) {
-        return "R";
-    }
-}

app/src/main/java/chess/view/render2D/PieceFileName.java

@@ -0,0 +1,61 @@
+package chess.view.render2D;
+
+import chess.model.Piece;
+import chess.model.PieceVisitor;
+import chess.model.pieces.*;
+
+public class PieceFileName implements PieceVisitor {
+
+    private String pieceName;
+    private static final String BASE = "app/src/main/resources/pieces2D/";
+
+    PieceFileName(Piece piece) {
+        visit(piece);
+        pieceName = colorToString(piece.getColor()) +"-"+ pieceName;
+    }
+
+    private String colorToString(int color) {
+        switch (color) {
+            case 0:
+                return "white";
+            case 1:
+                return "black";
+            default:
+                return "";
+        }
+    }
+
+    @Override
+    public void visitPiece(Bishop p) {
+        this.pieceName = "bishop";
+    }
+
+    @Override
+    public void visitPiece(Knight p) {
+        this.pieceName = "knight";
+    }
+
+    @Override
+    public void visitPiece(Pawn p) {
+        this.pieceName = "pawn";
+    }
+
+    @Override
+    public void visitPiece(Queen p) {
+        this.pieceName = "queen";
+    }
+
+    @Override
+    public void visitPiece(King p) {
+        this.pieceName = "king";
+    }
+
+    @Override
+    public void visitPiece(Rook p) {
+        this.pieceName = "rook";
+    }
+
+    public String getFileName() {
+        return BASE + pieceName + ".png";
+    }
+}

app/src/main/java/chess/view/render2D/Pieces.java

@@ -0,0 +1,23 @@
+package chess.view.render2D;
+
+import javax.swing.*;
+import java.awt.*;
+
+public enum Pieces {
+    WHITE_KING,
+    WHITE_QUEEN,
+    WHITE_KNIGHT,
+    WHITE_BISHOP,
+    WHITE_ROOK,
+    WHITE_PAWN,
+    BLACK_KING,
+    BLACK_QUEEN,
+    BLACK_KNIGHT,
+    BLACK_BISHOP,
+    BLACK_ROOK,
+    BLACK_PAWN;
+
+    public static ImageIcon getIcon(String path) {
+        return new ImageIcon(new ImageIcon(path).getImage().getScaledInstance(100,100, Image.SCALE_SMOOTH));
+    }
+}

app/src/main/java/chess/view/render2D/Window.java

@@ -0,0 +1,105 @@
+package chess.view.render2D;
+
+import chess.controller.Controller;
+import chess.model.Coordinates;
+import chess.model.Game;
+import chess.model.Piece;
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.util.Observable;
+import java.util.Observer;
+
+public class Window extends JFrame implements Observer {
+    private final Game game;
+    private final Controller controller;
+    private final JLabel[][] tab;
+    private static final String path = "app/src/main/resources/pieces2D/";
+    Coordinates mouseClick = null;
+    Coordinates mouseRelease = null;
+
+    public Window(Game game) {
+        this.game = game;
+        game.addObserver(this);
+        this.controller = new Controller(game, this);
+        tab = new JLabel[game.getSize()][game.getSize()];
+        build();
+        showBoard();
+    }
+
+    public static void main(String[] args){
+        Game game = new Game();
+        Thread gameThread = new Thread(game);
+        gameThread.start();
+        Window f = new Window(game);
+        f.setVisible(true);
+    }
+
+    /**
+     * Create a playing grid with alternating black & white cells
+     */
+    private void build(){
+        JPanel jp = new JPanel(new GridLayout(game.getSize(), game.getSize()));
+        setContentPane(jp);
+        setTitle("Let's play chess!");
+        for (int y = 0; y < game.getSize(); y++){
+            for (int x = 0; x < game.getSize(); x++){
+                JLabel jl = new JLabel();
+                jl.setOpaque(true);
+                if (((y+x)%2)!=0) {
+                    jl.setBackground(Color.BLACK);
+                }
+                final int yy = y;
+                final int xx = x;
+
+                jl.addMouseListener(new MouseAdapter() {
+                    public void mousePressed(MouseEvent e) {
+                        if (mouseClick == null) {
+                            mouseClick = new Coordinates(xx, yy);
+                        }
+                        else {
+                            mouseRelease = new Coordinates(xx, yy);
+                            if (!mouseClick.equals(mouseRelease)) {
+                                controller.sendMove(mouseClick, mouseRelease);
+                                update();
+                            }
+                            mouseClick = null;
+                            mouseRelease = null;
+                        }
+                    }
+                });
+                this.tab[x][y]=jl;
+                jp.add(jl);
+            }
+        }
+        setSize(800,800);
+    }
+
+    public void showBoard(){
+        for (int y = 0; y < game.getSize(); y++){
+            for (int x = 0; x < game.getSize(); x++){
+                Piece p = game.getBoard().getCell(new Coordinates(x,y)).getPiece();
+                if (p != null){
+                    this.tab[x][y].setIcon(Pieces.getIcon(new PieceFileName(p).getFileName()));
+                }
+                else
+                {
+                    this.tab[x][y].setIcon(null);
+                }
+            }
+        }
+    }
+
+   public void update() {
+       // todo
+       showBoard();
+    }
+
+
+    @Override
+    public void update(Observable o, Object arg) {
+        update();
+    }
+}

app/src/main/java/chess/view/render3D/Camera.java

@@ -0,0 +1,128 @@
+package chess.view.render3D;
+
+import org.joml.Matrix4f;
+import org.joml.Vector3f;
+
+public class Camera {
+    public static final float fov = 70.0f;
+    // should be changed to match screen
+    public static final float aspect = 1.0f;
+    public static final float zNear = 0.01f;
+    public static final float zFar = 100.0f;
+
+    private Vector3f pos;
+
+    private float yaw = 0.0f;
+    private float pitch = 0.0f;
+
+    public Camera() {
+        this.pos = new Vector3f(0, 2.0f, 0);
+        setRotation(0.0f, -3.14150f / 2.0f);
+    }
+
+    public void move(float x, float y) {
+        this.pos.x += x;
+        this.pos.y += y;
+    }
+
+    public void rotate(float yaw, float pitch) {
+        this.yaw += yaw;
+        this.pitch += pitch;
+    }
+
+    public Vector3f getPos() {
+        return pos;
+    }
+
+    public float getYaw() {
+        return yaw;
+    }
+
+    public float getPitch() {
+        return pitch;
+    }
+
+    public float getFov() {
+        return fov;
+    }
+
+    public void setX(float x) {
+        this.pos.x = x;
+    }
+
+    public void setY(float y) {
+        this.pos.y = y;
+    }
+
+    public void setZ(float z) {
+        this.pos.z = z;
+    }
+
+    public void setYaw(float yaw) {
+        this.yaw = yaw;
+    }
+
+    public void setPitch(float pitch) {
+        this.pitch = pitch;
+    }
+
+    public void reset() {
+        resetPosition();
+        resetRotation();
+    }
+
+    public void resetPosition() {
+        pos = new Vector3f(0.0f, 0.0f, 0.0f);
+    }
+
+    public void resetRotation() {
+        yaw = 0.0f;
+        pitch = 0.0f;
+    }
+
+    public void moveForward(float distance) {
+        pos.x += distance * (float) Math.cos(yaw);
+        pos.y += distance * (float) Math.sin(yaw);
+    }
+
+    public void moveRight(float distance) {
+        pos.x += distance * (float) Math.cos(yaw);
+        pos.y += distance * (float) Math.sin(yaw);
+    }
+
+    public void moveUp(float distance) {
+        pos.z += distance;
+    }
+
+    public void moveDown(float distance) {
+        pos.z -= distance;
+    }
+
+    public void addYaw(float angle) {
+        yaw += angle;
+    }
+
+    public void addPitch(float angle) {
+        pitch += angle;
+    }
+
+    public void setPosition(Vector3f pos) {
+        this.pos = pos;
+    }
+
+    public void setRotation(float yaw, float pitch) {
+        this.yaw = yaw;
+        this.pitch = pitch;
+    }
+
+    public Matrix4f getMatrix() {
+        Vector3f forward = new Vector3f(
+                (float) (Math.cos(yaw) * Math.cos(pitch)),
+                (float) (Math.sin(pitch)),
+                (float) (Math.sin(yaw) * Math.cos(pitch)));
+
+        return new Matrix4f()
+                .perspective((float) (Math.toRadians(fov)), aspect, zNear, zFar)
+                .lookAt(pos, forward, new Vector3f(0.0f, 1.0f, 0.0f));
+    }
+}

app/src/main/java/chess/view/render3D/ElementBuffer.java

@@ -1,4 +1,4 @@
-package chess.view.DDDrender.opengl;
+package chess.view.render3D;
 
 import org.lwjgl.opengl.GL30;
 

app/src/main/java/chess/view/render3D/Renderer.java

@@ -1,19 +1,30 @@
-package chess.view.DDDrender.loader;
+package chess.view.render3D;
 
 import org.joml.Vector3f;
+import org.lwjgl.opengl.*;
 
-import chess.view.DDDrender.opengl.ElementBuffer;
+import static org.lwjgl.opengl.GL30.*;
-import chess.view.DDDrender.opengl.VertexArray;
+import chess.view.render3D.shader.BoardShader;
-import chess.view.DDDrender.opengl.VertexBuffer;
 
-public class BoardModelLoader {
+public class Renderer {
+	private BoardShader shader;
+	private VertexArray vao;
 
 	private static int BOARD_WIDTH = 8;
 	private static int BOARD_HEIGHT = 8;
 	private static int BOARD_SIZE = BOARD_WIDTH * BOARD_HEIGHT;
 	private static int SQUARE_VERTEX_COUNT = 4;
 
-	private static float[] GetBoardPositions() {
+	public Renderer() {
+		this.shader = new BoardShader();
+	}
+
+	public void Init() {
+		shader.LoadShader();
+		InitBoard();
+	}
+
+	private float[] GetBoardPositions() {
 		float[] positions = new float[BOARD_SIZE * SQUARE_VERTEX_COUNT * 3];
 		for (int i = 0; i < BOARD_WIDTH; i++) {
 			for (int j = 0; j < BOARD_HEIGHT; j++) {
@@ -47,12 +58,12 @@ public class BoardModelLoader {
 		return positions;
 	}
 
-	private static float[] GetBoardColors() {
+	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;
-				if ((i + j) % 2 == 0) {
+				if ((i + j) % 2 != 0) {
 					color = new Vector3f(1.0f, 1.0f, 1.0f);
 				} else {
 					color = new Vector3f(0.0f, 0.0f, 0.0f);
@@ -68,12 +79,12 @@ public class BoardModelLoader {
 		return colors;
 	}
 
-	private static int[] GetBoardIndicies() {
+	private int[] GetBoardIndicies() {
 		int[] indices = new int[BOARD_SIZE * 6];
 		for (int i = 0; i < BOARD_SIZE; i++) {
 			indices[i * 6] = i * 4;
-			indices[i * 6 + 1] = i * 4 + 2;
+			indices[i * 6 + 1] = i * 4 + 1;
-			indices[i * 6 + 2] = i * 4 + 1;
+			indices[i * 6 + 2] = i * 4 + 2;
 			indices[i * 6 + 3] = i * 4 + 1;
 			indices[i * 6 + 4] = i * 4 + 2;
 			indices[i * 6 + 5] = i * 4 + 3;
@@ -81,9 +92,9 @@ public class BoardModelLoader {
 		return indices;
 	}
 
-	public static VertexArray GetBoardModel() {
+	private void InitBoard() {
 		ElementBuffer eBuffer = new ElementBuffer(GetBoardIndicies());
-		VertexArray vao = new VertexArray(eBuffer);
+		this.vao = new VertexArray(eBuffer);
 
 		VertexBuffer positionBuffer = new VertexBuffer(GetBoardPositions(), 3);
 		positionBuffer.AddVertexAttribPointer(0, 3, 0);
@@ -91,10 +102,22 @@ public class BoardModelLoader {
 		VertexBuffer colorBuffer = new VertexBuffer(GetBoardColors(), 3);
 		colorBuffer.AddVertexAttribPointer(1, 3, 0);
 
-		vao.Bind();
+		this.vao.Bind();
-		vao.BindVertexBuffer(positionBuffer);
+		this.vao.BindVertexBuffer(positionBuffer);
-		vao.BindVertexBuffer(colorBuffer);
+		this.vao.BindVertexBuffer(colorBuffer);
-		vao.Unbind();
+		this.vao.Unbind();
-		return vao;
+	}
+
+	public void Render(Camera cam) {
+		this.shader.Start();
+		this.shader.SetCamMatrix(cam.getMatrix());
+		RenderVao(vao);
+	}
+
+	public void RenderVao(VertexArray vertexArray) {
+		this.shader.Start();
+		vertexArray.Bind();
+		GL30.glDrawElements(GL30.GL_TRIANGLES, vertexArray.GetVertexCount(), GL_UNSIGNED_INT, 0);
+		vertexArray.Unbind();
 	}
 }

app/src/main/java/chess/view/render3D/VertexArray.java

@@ -1,4 +1,4 @@
-package chess.view.DDDrender.opengl;
+package chess.view.render3D;
 
 import java.util.ArrayList;
 import java.util.List;

app/src/main/java/chess/view/render3D/VertexAttribPointer.java

@@ -0,0 +1,13 @@
+package chess.view.render3D;
+
+public class VertexAttribPointer {
+	public int index;
+	public int size;
+	public int offset;
+
+	public VertexAttribPointer(int index, int size, int offset) {
+		this.index = index;
+		this.size = size;
+		this.offset = offset;
+	}
+}

app/src/main/java/chess/view/render3D/VertexBuffer.java

@@ -1,4 +1,4 @@
-package chess.view.DDDrender.opengl;
+package chess.view.render3D;
 
 import static org.lwjgl.opengl.GL11.GL_FLOAT;
 
@@ -41,9 +41,9 @@ public class VertexBuffer {
 
 	public void BindVertexAttribs() {
 		for (VertexAttribPointer vertexAttribPointer : vertexAttribs) {
-			GL30.glEnableVertexAttribArray(vertexAttribPointer.index());
+			GL30.glEnableVertexAttribArray(vertexAttribPointer.index);
-			GL30.glVertexAttribPointer(vertexAttribPointer.index(), vertexAttribPointer.size(), GL_FLOAT, false,
+			GL30.glVertexAttribPointer(vertexAttribPointer.index, vertexAttribPointer.size, GL_FLOAT, false,
-					this.dataStride * 4, vertexAttribPointer.offset());
+					this.dataStride * 4, vertexAttribPointer.offset);
 		}
 	}
 }

app/src/main/java/chess/view/render3D/Window.java

@@ -1,21 +1,11 @@
-package chess.view.DDDrender;
+package chess.view.render3D;
 
 import org.lwjgl.*;
 import org.lwjgl.glfw.*;
 import org.lwjgl.opengl.*;
 import org.lwjgl.system.*;
 
-import chess.model.Coordinate;
-import chess.view.DDDrender.world.Entity;
-import chess.view.DDDrender.world.World;
-import common.Signal1;
-
 import java.nio.*;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Queue;
-import java.util.concurrent.ConcurrentLinkedDeque;
-import java.util.function.Consumer;
 
 import static org.lwjgl.glfw.Callbacks.*;
 import static org.lwjgl.glfw.GLFW.*;
@@ -29,32 +19,11 @@ public class Window {
 	private long window;
 
 	private Renderer renderer;
-	private final Camera cam;
+	private Camera cam;
-	private final World world;
 
-	private final Queue<Runnable> tasks;
+	public Window() {
-	private final List<Consumer<Float>> regularTasks;
-
-	public final Signal1<Coordinate> OnCellClick = new Signal1<>();
-
-	public Window(Renderer renderer, World world) {
 		this.renderer = new Renderer();
-		this.cam = world.getCamera();
+		this.cam = new Camera();
-		this.tasks = new ConcurrentLinkedDeque<>();
-		this.world = world;
-		this.regularTasks = new ArrayList<>();
-	}
-
-	public void addRegularTask(Consumer<Float> task) {
-		this.regularTasks.add(task);
-	}
-
-	public synchronized void scheduleTask(Runnable runnable) {
-		this.tasks.add(runnable);
-	}
-
-	public synchronized Runnable getNextTask() {
-		return this.tasks.poll();
 	}
 
 	public void run() {
@@ -87,7 +56,7 @@ public class Window {
 		glfwWindowHint(GLFW_RESIZABLE, GLFW_TRUE); // the window will be resizable
 
 		// Create the window
-		window = glfwCreateWindow(1000, 1000, "3DChess", NULL, NULL);
+		window = glfwCreateWindow(1000, 1000, "Chess4J", NULL, NULL);
 		if (window == NULL)
 			throw new RuntimeException("Failed to create the GLFW window");
 
@@ -118,29 +87,9 @@ public class Window {
 		glfwShowWindow(window);
 	}
 
-	private void render(float delta, float aspectRatio) {
+	private void render() {
-		cam.setAspectRatio(aspectRatio);
+		cam.rotate(0.01f, 0.01f);
-		renderer.Update(cam);
+		renderer.Render(cam);
-		renderer.RenderBoard();
-		renderWorld();
-		// renderPieces();
-	}
-
-	private void renderWorld() {
-		for (Entity entity : this.world.getEntites()) {
-			entity.render(this.renderer);
-		}
-	}
-
-	private void executeTasks(float delta) {
-		Runnable task = getNextTask();
-		while (task != null) {
-			task.run();
-			task = getNextTask();
-		}
-		for (Consumer<Float> consumer : regularTasks) {
-			consumer.accept(delta);
-		}
 	}
 
 	private void loop() {
@@ -154,31 +103,16 @@ public class Window {
 		renderer.Init();
 
 		// Set the clear color
-		glClearColor(0.4f, 0.4f, 0.6f, 1.0f);
+		glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
-
-		glEnable(GL_DEPTH_TEST);
-
-		glEnable(GL_CULL_FACE);
-		glCullFace(GL_FRONT);
-		glFrontFace(GL_CW);
 
 		glColor4f(1.0f, 0.0f, 0.0f, 1.0f);
 
-		double lastTime = glfwGetTime();
-
-		int width[] = new int[1];
-		int height[] = new int[1];
-		glfwGetWindowSize(window, width, height);
-
 		// Run the rendering loop until the user has attempted to close
 		// the window or has pressed the ESCAPE key.
 		while (!glfwWindowShouldClose(window)) {
 			glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // clear the framebuffer
 
-			double currentTime = glfwGetTime();
+			render();
-			float deltaTime = (float) (currentTime - lastTime);
-			render(deltaTime, (float) width[0] / (float) height[0]);
-			lastTime = glfwGetTime();
 
 			glfwSwapBuffers(window); // swap the color buffers
 
@@ -186,11 +120,15 @@ public class Window {
 			// invoked during this call.
 			glfwPollEvents();
 
-			executeTasks(deltaTime);
+			try (MemoryStack stack = stackPush()) {
+				IntBuffer pWidth = stack.mallocInt(1); // int*
+				IntBuffer pHeight = stack.mallocInt(1); // int*
 
-			glfwGetWindowSize(window, width, height);
+				// Get the window size passed to glfwCreateWindow
-			glViewport(0, 0, width[0], height[0]);
+				glfwGetWindowSize(window, pWidth, pHeight);
 
+				glViewport(0, 0, pWidth.get(), pHeight.get());
+			} // the stack frame is popped automatically
 		}
 	}
 

app/src/main/java/chess/view/render3D/shader/BoardShader.java

@@ -0,0 +1,53 @@
+package chess.view.render3D.shader;
+
+import org.joml.Matrix4f;
+
+public class BoardShader extends ShaderProgram {
+
+	private static String vertexShader = """
+			#version 330
+
+			layout(location = 0) in vec3 position;
+			layout(location = 1) in vec3 color;
+
+			uniform mat4 camMatrix;
+
+			out vec3 pass_color;
+
+			void main(void){
+				gl_Position = camMatrix * vec4(position, 1.0);
+				pass_color = color;
+			}
+				""";
+
+	private static String fragmentShader = """
+			#version 330
+
+			in vec3 pass_color;
+
+			out vec4 out_color;
+
+			void main(void){
+				out_color = vec4(pass_color, 1.0);
+			}
+				""";
+
+	private int location_CamMatrix = 0;
+
+	public BoardShader() {
+
+	}
+
+	public void LoadShader() {
+		super.LoadProgram(vertexShader, fragmentShader);
+	}
+
+	@Override
+	protected void GetAllUniformLocation() {
+		location_CamMatrix = GetUniformLocation("camMatrix");
+	}
+
+	public void SetCamMatrix(Matrix4f mat) {
+		LoadMat4(location_CamMatrix, mat);
+	}
+}

app/src/main/java/chess/view/render3D/shader/ShaderProgram.java

@@ -1,4 +1,4 @@
-package chess.view.DDDrender.shader;
+package chess.view.render3D.shader;
 
 import java.nio.FloatBuffer;
 import java.nio.IntBuffer;
@@ -56,8 +56,8 @@ public abstract class ShaderProgram {
 
 		if (compileSuccesful.get() != 1) {
 			System.out.println("Shader did not compile !");
-			System.err.println(GL30.glGetShaderInfoLog(shaderId));
 			return -1;
+
 		}
 
 		return shaderId;
@@ -68,7 +68,7 @@ public abstract class ShaderProgram {
 	protected int GetUniformLocation(String uniformName) {
 		int location = GL30.glGetUniformLocation(programId, uniformName);
 		if (location == -1) {
-			System.out.println("Uniform value \"" + uniformName + "\" not found !");
+			System.out.println("Uniform value not found !");
 		}
 		return location;
 	}

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

@@ -1,79 +0,0 @@
-package chess.view.simplerender;
-
-import java.awt.Image;
-import java.io.IOException;
-import java.util.HashMap;
-import java.util.Map;
-
-import javax.swing.Icon;
-import javax.swing.ImageIcon;
-
-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;
-import chess.view.AssetManager;
-
-public class PieceIcon implements PieceVisitor<String> {
-
-	private static final String basePath = "pieces2D/";
-	private static final Map<String, Icon> cache = new HashMap<>();
-
-	public Icon getIcon(Piece piece) throws IOException {
-		if (piece == null)
-			return null;
-		String path = basePath + colorToString(piece.getColor()) + "-" + visit(piece) + ".png";
-		return getIcon(path);
-	}
-
-	private Icon getIcon(String path) throws IOException {
-		Icon image = cache.get(path);
-		if (image != null)
-			return image;
-
-		image = new ImageIcon(new ImageIcon(AssetManager.getResource(path).readAllBytes()).getImage()
-				.getScaledInstance(100, 100, Image.SCALE_SMOOTH));
-		cache.put(path, image);
-		return image;
-	}
-
-	private String colorToString(Color color) {
-		return color == Color.Black ? "black" : "white";
-	}
-
-	@Override
-	public String visitPiece(Bishop bishop) {
-		return "bishop";
-	}
-
-	@Override
-	public String visitPiece(King king) {
-		return "king";
-	}
-
-	@Override
-	public String visitPiece(Knight knight) {
-		return "knight";
-	}
-
-	@Override
-	public String visitPiece(Pawn pawn) {
-		return "pawn";
-	}
-
-	@Override
-	public String visitPiece(Queen queen) {
-		return "queen";
-	}
-
-	@Override
-	public String visitPiece(Rook rook) {
-		return "rook";
-	}
-
-}

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

@@ -1,321 +0,0 @@
-package chess.view.simplerender;
-
-import java.awt.Color;
-import java.awt.Graphics;
-import java.awt.GridLayout;
-import java.awt.event.MouseAdapter;
-import java.awt.event.MouseEvent;
-import java.awt.event.WindowAdapter;
-import java.awt.event.WindowEvent;
-import java.io.IOException;
-import java.util.List;
-
-import javax.swing.JButton;
-import javax.swing.JFrame;
-import javax.swing.JLabel;
-import javax.swing.JOptionPane;
-import javax.swing.JPanel;
-import javax.swing.SwingUtilities;
-
-import chess.controller.Command;
-import chess.controller.Command.CommandResult;
-import chess.controller.CommandExecutor;
-import chess.controller.commands.CastlingCommand;
-import chess.controller.commands.GetAllowedCastlingsCommand;
-import chess.controller.commands.GetAllowedMovesPieceCommand;
-import chess.controller.commands.GetPieceAtCommand;
-import chess.controller.commands.MoveCommand;
-import chess.controller.commands.PromoteCommand;
-import chess.controller.commands.PromoteCommand.PromoteType;
-import chess.controller.commands.UndoCommand;
-import chess.controller.commands.GetAllowedCastlingsCommand.CastlingResult;
-import chess.controller.event.GameListener;
-import chess.model.Coordinate;
-import chess.model.Move;
-import chess.model.Piece;
-
-public class Window extends JFrame implements GameListener {
-
-	private final CommandExecutor commandExecutor;
-
-	private Coordinate lastClick = null;
-
-	private final JLabel cells[][];
-	private final JLabel displayText;
-	private final JButton castlingButton = new JButton("Roque");
-	private final JButton bigCastlingButton = new JButton("Grand Roque");
-	private final JButton undoButton = new JButton("Annuler le coup précédent");
-
-	private final boolean showPopups;
-
-	public Window(final CommandExecutor commandExecutor, boolean showPopups) {
-		this.cells = new JLabel[8][8];
-		this.displayText = new JLabel();
-		this.commandExecutor = commandExecutor;
-		this.showPopups = showPopups;
-		setSize(800, 910);
-		setVisible(true);
-		setLocationRelativeTo(null);
-		setDefaultCloseOperation(DISPOSE_ON_CLOSE);
-		addWindowListener(new WindowAdapter() {
-			@Override
-			public void windowClosed(WindowEvent e) {
-				commandExecutor.close();
-			}
-		});
-	}
-
-	private CommandResult sendCommand(Command command) {
-		return this.commandExecutor.executeCommand(command);
-	}
-
-	private Color getCellColor(int x, int y) {
-		return ((x + y) % 2 == 1) ? Color.DARK_GRAY : Color.LIGHT_GRAY;
-	}
-
-	private void buildButtons(JPanel bottom) {
-		castlingButton.addActionListener((event) -> {
-			sendCommand(new CastlingCommand(false));
-		});
-
-		bigCastlingButton.addActionListener((event) -> {
-			sendCommand(new CastlingCommand(true));
-		});
-
-		undoButton.addActionListener((event) -> {
-			sendCommand(new UndoCommand());
-		});
-
-		bottom.add(castlingButton);
-		bottom.add(bigCastlingButton);
-		bottom.add(undoButton);
-	}
-
-	private void buildBoard() {
-		JPanel content = new JPanel();
-		JPanel grid = new JPanel(new GridLayout(8, 8));
-		JPanel bottom = new JPanel();
-
-		buildButtons(bottom);
-
-		content.add(this.displayText);
-		content.add(grid);
-		content.add(bottom);
-
-		setContentPane(content);
-
-		for (int y = 0; y < 8; y++) {
-			for (int x = 0; x < 8; x++) {
-				JLabel label = new JLabel();
-				label.setOpaque(true);
-				label.setBackground(getCellColor(x, y));
-				this.cells[x][y] = label;
-
-				final int xx = x;
-				final int yy = y;
-
-				label.addMouseListener(new MouseAdapter() {
-					@Override
-					public void mousePressed(MouseEvent e) {
-						onCellClicked(xx, yy);
-					}
-
-				});
-				grid.add(label);
-			}
-		}
-		updateBoard();
-	}
-
-	private boolean isCellEmpty(int x, int y) {
-		return pieceAt(x, y) == null;
-	}
-
-	private Piece pieceAt(int x, int y) {
-		GetPieceAtCommand command = new GetPieceAtCommand(new Coordinate(x, y));
-		sendCommand(command);
-		return command.getPiece();
-	}
-
-	private void updateBoard() {
-		PieceIcon pieceIcon = new PieceIcon();
-		for (int y = 0; y < 8; y++) {
-			for (int x = 0; x < 8; x++) {
-				JLabel cell = this.cells[x][y];
-				try {
-					cell.setIcon(pieceIcon.getIcon(pieceAt(x, y)));
-				} catch (IOException e) {
-					e.printStackTrace();
-				}
-			}
-		}
-	}
-
-	private boolean previewMoves(int x, int y) {
-		GetAllowedMovesPieceCommand movesCommand = new GetAllowedMovesPieceCommand(new Coordinate(x, y));
-		if (sendCommand(movesCommand) == CommandResult.NotAllowed)
-			return false;
-
-		List<Coordinate> allowedMoves = movesCommand.getDestinations();
-		if (allowedMoves.isEmpty())
-			return false;
-
-		for (Coordinate destCoord : allowedMoves) {
-			JLabel cell = this.cells[destCoord.getX()][destCoord.getY()];
-			Graphics g = cell.getGraphics();
-			g.setColor(new Color(128, 128, 128, 128));
-			g.fillOval(25, 25, 50, 50);
-		}
-		return true;
-	}
-
-	private void drawInvalid(Move move) {
-		JLabel from = this.cells[move.getStart().getX()][move.getStart().getY()];
-		JLabel to = this.cells[move.getFinish().getX()][move.getFinish().getY()];
-		from.setBackground(Color.RED);
-		to.setBackground(Color.RED);
-	}
-
-	private void clearMoves() {
-		for (int y = 0; y < 8; y++) {
-			for (int x = 0; x < 8; x++) {
-				JLabel cell = this.cells[x][y];
-				cell.setBackground(getCellColor(x, y));
-				cell.paint(cell.getGraphics());
-			}
-		}
-	}
-
-	private void onCellClicked(int x, int y) {
-		clearMoves();
-		if (this.lastClick == null) {
-			if (isCellEmpty(x, y))
-				return;
-			if (!previewMoves(x, y))
-				return;
-			this.lastClick = new Coordinate(x, y);
-			return;
-		}
-		if (!this.lastClick.equals(new Coordinate(x, y))) {
-			Move move = new Move(lastClick, new Coordinate(x, y));
-			sendCommand(new MoveCommand(move));
-		}
-		this.lastClick = null;
-	}
-
-	private void updateButtons() {
-		GetAllowedCastlingsCommand cmd = new GetAllowedCastlingsCommand();
-		sendCommand(cmd);
-		this.castlingButton.setEnabled(
-				cmd.getCastlingResult() == CastlingResult.Small || cmd.getCastlingResult() == CastlingResult.Both);
-		this.bigCastlingButton.setEnabled(
-				cmd.getCastlingResult() == CastlingResult.Big || cmd.getCastlingResult() == CastlingResult.Both);
-	}
-
-	@Override
-	public void onPlayerTurn(chess.model.Color color, boolean undone) {
-		this.displayText.setText("Current turn: " + color);
-		updateButtons();
-	}
-
-	@Override
-	public void onWin(chess.model.Color color) {
-		JOptionPane.showMessageDialog(this, "Victory of " + color);
-	}
-
-	@Override
-	public void onKingInCheck() {
-		if (!showPopups)
-			return;
-		SwingUtilities.invokeLater(() -> {
-			JOptionPane.showMessageDialog(this, "Check!");
-		});
-	}
-
-	@Override
-	public void onKingInMat() {
-		SwingUtilities.invokeLater(() -> {
-			JOptionPane.showMessageDialog(this, "Checkmate!");
-		});
-	}
-
-	@Override
-	public void onPatSituation() {
-		JOptionPane.showMessageDialog(this, "Pat. It's a draw!");
-	}
-
-	@Override
-	public void onSurrender(chess.model.Color color) {
-		JOptionPane.showMessageDialog(this, color + " has surrendered.");
-	}
-
-	@Override
-	public void onGameEnd() {
-		JOptionPane.showMessageDialog(this, "End of the game");
-		this.dispose();
-		this.commandExecutor.close();
-	}
-
-	@Override
-	public void onGameStart() {
-		buildBoard();
-	}
-
-	@Override
-	public void onPromotePawn(Coordinate pieceCoords) {
-		if (!showPopups)
-			return;
-		SwingUtilities.invokeLater(() -> {
-			String result = null;
-
-			Object[] possibilities = new Object[PromoteType.values().length];
-			int i = 0;
-			for (PromoteType type : PromoteType.values()) {
-				possibilities[i] = type.name();
-				i++;
-			}
-
-			while (result == null || result.isEmpty()) {
-				result = (String) JOptionPane.showInputDialog(
-						this,
-						"Choose the type of piece to upgrade the pawn",
-						"Promote Dialog",
-						JOptionPane.PLAIN_MESSAGE,
-						null,
-						possibilities,
-						possibilities[0]);
-			}
-
-			PromoteType choosedType = null;
-
-			for (PromoteType type : PromoteType.values()) {
-				if (type.name().equals(result)) {
-					choosedType = type;
-					break;
-				}
-			}
-
-			if (choosedType != null)
-				sendCommand(new PromoteCommand(choosedType));
-		});
-	}
-
-	@Override
-	public void onBoardUpdate() {
-		updateBoard();
-	}
-
-	@Override
-	public void onMove(Move move) {}
-
-	@Override
-	public void onMoveNotAllowed(Move move) {
-		drawInvalid(move);
-	}
-
-	@Override
-	public void onDraw() {
-		JOptionPane.showMessageDialog(this, "Same position was repeated three times. It's a draw!");
-	}
-
-}

app/src/main/java/common/Signal0.java

@@ -1,26 +0,0 @@
-package common;
-
-import java.util.ArrayList;
-import java.util.List;
-
-public class Signal0 {
-	private final List<Runnable> handlers;
-
-	public Signal0() {
-		this.handlers = new ArrayList<>();
-	}
-
-	public void connect(Runnable handler) {
-		this.handlers.add(handler);
-	}
-
-	public void disconnect(Runnable handler) {
-		this.handlers.remove(handler);
-	}
-
-	public void emit() {
-		for (Runnable handler : this.handlers) {
-			handler.run();
-		}
-	}
-}

app/src/main/java/common/Signal1.java

@@ -1,27 +0,0 @@
-package common;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.function.Consumer;
-
-public class Signal1<T> {
-	private final List<Consumer<T>> handlers;
-
-	public Signal1() {
-		this.handlers = new ArrayList<>();
-	}
-
-	public void connect(Consumer<T> handler) {
-		this.handlers.add(handler);
-	}
-
-	public void disconnect(Consumer<T> handler) {
-		this.handlers.remove(handler);
-	}
-
-	public void emit(T arg) {
-		for (Consumer<T> handler : this.handlers) {
-			handler.accept(arg);
-		}
-	}
-}