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en passant rule

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This commit is contained in:
Simon Pribylski
2025-04-05 19:20:41 +02:00
parent 2ec7be27ca
commit d94f7d733b
9 changed files with 108 additions and 38 deletions
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73
app/src/main/java/chess/model/visitor/PiecePathChecker.java
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@@ -35,31 +35,27 @@ public class PiecePathChecker implements PieceVisitor<Boolean> {
@Override
public Boolean visitPiece(Bishop bishop) {
if (!new PermissiveRuleChecker(this.move).isValidFor(bishop))
return false;
return testPath(bishop.getColor());
return basicCheck(bishop);
}
@Override
public Boolean visitPiece(King king) {
if (!new PermissiveRuleChecker(this.move).isValidFor(king))
return false;
Piece destPiece = board.pieceAt(this.move.getFinish());
if (destPiece == null)
return true;
return destPiece.getColor() != king.getColor();
return destCheck(king);
}
@Override
public Boolean visitPiece(Knight knight) {
if (!new PermissiveRuleChecker(this.move).isValidFor(knight))
return false;
return destCheck(knight);
}
Piece destPiece = board.pieceAt(this.move.getFinish());
if (destPiece == null)
return true;
return destPiece.getColor() != knight.getColor();
@Override
public Boolean visitPiece(Queen queen) {
return basicCheck(queen);
}
@Override
public Boolean visitPiece(Rook rook) {
return basicCheck(rook);
}
@Override
@@ -74,6 +70,9 @@ public class PiecePathChecker implements PieceVisitor<Boolean> {
assert moveDirection == Direction.FrontLeft || moveDirection == Direction.FrontRight;
if (checkEnPassant())
return true;
Piece destPiece = this.board.pieceAt(this.move.getFinish());
if (destPiece == null)
return false;
@@ -81,18 +80,44 @@ public class PiecePathChecker implements PieceVisitor<Boolean> {
return destPiece.getColor() != pawn.getColor();
}
@Override
public Boolean visitPiece(Queen queen) {
if (!new PermissiveRuleChecker(this.move).isValidFor(queen))
private boolean checkEnPassant() {
Move lastMove = this.board.getLastMove();
if (lastMove == null)
return false;
return testPath(queen.getColor());
Piece pieceToEat = this.board.pieceAt(lastMove.getFinish());
if (pieceToEat == null)
return false;
Piece pawn = this.board.pieceAt(this.move.getStart());
if (pieceToEat.getColor() == pawn.getColor())
return false;
if (lastMove.getMiddle().equals(this.move.getFinish())
&& new PawnIdentifier(pieceToEat.getColor()).isPawn(pieceToEat)) {
this.move.setDeadPieceCoords(lastMove.getFinish());
return true;
}
return false;
}
@Override
public Boolean visitPiece(Rook rook) {
if (!new PermissiveRuleChecker(this.move).isValidFor(rook))
private boolean destCheck(Piece piece) {
if (!new PermissiveRuleChecker(this.move).isValidFor(piece))
return false;
return testPath(rook.getColor());
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) {