Add getBoardUnicode() method to ChessEngine

schach/src/main/java/de/hs_mannheim/informatik/chess/model/ChessEngine.java

@@ -41,6 +41,18 @@ public class ChessEngine {
         return piece.toString(); // z.B. "WHITE_PAWN"
     }
     
+    public String[][] getBoardUnicode() {
+        String[][] unicodeBoard = new String[8][8];
+        for (int rank = 8; rank >= 1; rank--) {
+            for (int file = 0; file < 8; file++) {
+                Square square = Square.valueOf("" + (char)('A' + file) + rank);
+                Piece piece = board.getPiece(square);
+                unicodeBoard[8-rank][file] = pieceToUnicode(piece);
+            }
+        }
+        return unicodeBoard;
+    }
+    
     private String pieceToUnicode(Piece piece) {
         switch (piece) {
             case WHITE_KING: return "♔";
@@ -59,5 +71,4 @@ public class ChessEngine {
         }
     }
     
-    
 }