king, copy board logic, getPseudoMoves

Board.java

@@ -13,6 +13,10 @@ public class Board {
     }
   }
 
+  public Board(boolean isCopy) {
+    board = new Piece[8][8];
+  }
+
   public void draw(Graphics g) {
     for (Piece[] row : board) {
       for (Piece p : row) {
@@ -32,4 +36,22 @@ public class Board {
   public Piece getPiece(Position pos) {
     return this.board[pos.x][pos.y];
   }
+
+  public Piece getPiece(int x, int y) {
+    return this.board[x][y];
+  }
+
+  public static Board copy(Board b) {
+    Board newBoard = new Board();
+
+    for (int i = 0; i <= 7; i++) {
+      for (int j = 0; j <= 7; j++) {
+        Piece p = b.getPiece(i, j);
+        if (p == null) continue;
+        newBoard.board[i][j] = p.copy();
+      }
+    }
+
+    return newBoard;
+  }
 }