change draw

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

@@ -280,14 +280,15 @@ public class ChessBoard {
 		return null;
 	}
 
-	public int hashPlayerPieces(Color color) {
+	@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 || piece.getColor() != color)
+				if (piece == null)
 					continue;
-				result = Objects.hash(result, new Coordinate(i, j), piece);
+				result = Objects.hash(result, piece.getColor(), new Coordinate(i, j), piece);
 			}
 		}
 		return result;
@@ -302,10 +303,10 @@ public class ChessBoard {
 	}
 
 	@Override
-	public boolean equals(Object otherBoard){
-		if (!(otherBoard instanceof ChessBoard)) return false;
-		return ((hashPlayerPieces(Color.White) == ((ChessBoard)otherBoard).hashPlayerPieces(Color.White))
-				&& (hashPlayerPieces(Color.Black) == ((ChessBoard)otherBoard).hashPlayerPieces(Color.Black)));
+	public boolean equals(Object obj){
+		if (obj instanceof ChessBoard board)
+			return board.hashCode() == this.hashCode();
+		return false;
 	}
 
 }

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

@@ -12,7 +12,7 @@ public class Game {
 	private final ChessBoard board;
 	private Color playerTurn;
 	private final Stack<PlayerCommand> movesHistory;
-	private final Map<Color, Map<Integer, Integer>> traitsPos;
+	private final Map<Integer, Integer> traitsPos;
 
 	private static final int DRAW_REPETITONS = 3;
 
@@ -37,13 +37,6 @@ public class Game {
 	public void reset() {
 		resetPlayerTurn();
 		this.traitsPos.clear();
-		initPlayer(Color.Black);
-		initPlayer(Color.White);
-	}
-
-	private void initPlayer(Color color) {
-		this.traitsPos.put(color, new HashMap<>());
-		saveTraitPiecesPos(color);
 	}
 
 	public void resetPlayerTurn() {
@@ -55,32 +48,18 @@ public class Game {
 	 * @param color the current player turn
 	 * @return true if a draw should be declared
 	 */
-	private void saveTraitPiecesPos(Color color) {
-		int piecesHash = this.board.hashPlayerPieces(color);
-		Integer count = this.traitsPos.get(color).get(piecesHash);
-		this.traitsPos.get(color).put(piecesHash, count == null ? 1 : count + 1);
-	}
-
 	public void saveTraitPiecesPos() {
-		saveTraitPiecesPos(playerTurn);
+		int piecesHash = this.board.hashCode();
+		Integer count = this.traitsPos.get(piecesHash);
+		this.traitsPos.put(piecesHash, count == null ? 1 : count + 1);
 	}
 
-	/**
-	 * 
-	 * @param player the trait to check
-	 * @return true if a position is repeated DRAW_REPETITONS times
-	 */
-	private boolean checkDraw(Color player) {
-		return this.traitsPos.get(player).containsValue(DRAW_REPETITONS);
-	}
 
 	/**
 	 * @return whether the game is in a draw situation
 	 */
 	private boolean checkDraw() {
-		if (checkDraw(Color.White))
-			return true;
-		return checkDraw(Color.Black);
+		return this.traitsPos.containsValue(DRAW_REPETITONS);
 	}
 
 	/**
@@ -129,15 +108,11 @@ public class Game {
 		}
 	}
 
-	private void undoTraitPiecesPos(Color color) {
-		int piecesHash = this.board.hashPlayerPieces(color);
-		Integer count = this.traitsPos.get(color).get(piecesHash);
-		if (count != null)
-			this.traitsPos.get(color).put(piecesHash, count - 1);
-	}
-
 	public void undoTraitPiecesPos() {
-		undoTraitPiecesPos(Color.getEnemy(playerTurn));
+		int piecesHash = this.board.hashCode();
+		Integer count = this.traitsPos.get(piecesHash);
+		if (count != null)
+			this.traitsPos.put(piecesHash, count - 1);
 	}
 
 	public List<PlayerCommand> getMoves() {