Java-Chess-Game--With-AI-/knight.java at main · 123Rocco123/Java-Chess-Game--With-AI- · GitHub

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// The class is used to define how knights work in the game.

class knight extends Pieces {
  @Override
  public boolean allowedMoves(int newRow, int newColumn) {
    for  (int i = 0; i < AIPieces.length; i++) {
    if (this.chessBoard[newRow][newColumn].equals("|__|") || this.chessBoard[newRow][newColumn].equals(AIPieces[i])) {
      if ((newRow == (this.row - 2)) && newColumn == this.column - 1) {
        this.row = newRow;
        this.column = newColumn;

        return true;
      } // Horse moves forward and to the right.
      else if ((newRow == (this.row - 2)) && newColumn == this.column + 1) {
        this.row = newRow;
        this.column = newColumn;

        return true;
      } // Horse moves down and to the left.
      else if ((newRow == (this.row + 2)) && newColumn == this.column - 1) {
        this.row = newRow;
        this.column = newColumn;

        return true;
      } // Horse moves down and to the right.
      else if ((newRow == (this.row + 2)) && newColumn == this.column + 1) {
        this.row = newRow;
        this.column = newColumn;

        return true;
      } // Horse moves down and to the left (further left).
      else if ((newRow == (this.row + 1)) && newColumn == this.column - 2) {
        this.row = newRow;
        this.column = newColumn;

        return true;
      } // Horse moves down and to the right (further right).
      else if ((newRow == (this.row + 1)) && newColumn == this.column + 2) {
        this.row = newRow;
        this.column = newColumn;

        return true;
      } // Horse moves up and to the left (further left).
      else if ((newRow == (this.row - 1)) && newColumn == this.column - 2) {
        this.row = newRow;
        this.column = newColumn;

        return true;
      } // Horse moves up and to the right (further right).
      else if ((newRow == (this.row - 1)) && newColumn == this.column + 2) {
        this.row = newRow;
        this.column = newColumn;

        return true;
      }
    }
  }
    return false;
  }

  // Rook AI Movement
  public boolean allowedMovesAI(int newRow, int newColumn) {
    for  (int i = 0; i < AIPieces.length; i++) {
      for (int x = 0; x < playerPieces.length; x++) {
        if (this.chessBoard[newRow][newColumn].equals(playerPieces[x])) {
          if ((newRow == (this.row - 2)) && newColumn == this.column - 1) {
            this.row = newRow;
            this.column = newColumn;

            return true;
          } // Horse moves forward and to the right.
          else if ((newRow == (this.row - 2)) && newColumn == this.column + 1) {
            this.row = newRow;
            this.column = newColumn;

            return true;
          } // Horse moves down and to the left.
          else if ((newRow == (this.row + 2)) && newColumn == this.column - 1) {
            this.row = newRow;
            this.column = newColumn;

            return true;
          } // Horse moves down and to the right.
          else if ((newRow == (this.row + 2)) && newColumn == this.column + 1) {
            this.row = newRow;
            this.column = newColumn;

            return true;
          } // Horse moves down and to the left (further left).
          else if ((newRow == (this.row + 1)) && newColumn == this.column - 2) {
            this.row = newRow;
            this.column = newColumn;

            return true;
          } // Horse moves down and to the right (further right).
          else if ((newRow == (this.row + 1)) && newColumn == this.column + 2) {
            this.row = newRow;
            this.column = newColumn;

            return true;
          } // Horse moves up and to the left (further left).
          else if ((newRow == (this.row - 1)) && newColumn == this.column - 2) {
            this.row = newRow;
            this.column = newColumn;

            return true;
          } // Horse moves up and to the right (further right).
          else if ((newRow == (this.row - 1)) && newColumn == this.column + 2) {
            this.row = newRow;
            this.column = newColumn;

            return true;
          }
        }
      }
    }
    return false;
  }
}