Copying and Pasting cs Code

In cs, like in almost any computer programming language, reading data from a file can be tricky. You add extra lines of code to tell the computer what to do. Sometimes you can copy and paste these lines from other peoples’ code.

For example, you can follow the pattern in this listing:

  public override void ComputeBound() {
   Node currNode = piece.Node;
   int origRow = currNode.row;
   int origCol = currNode.col;

   for (int row = -1; row <= 1; row++) {
    for (int col = -1; col <= 1; col++) {
     if (row == 0 && col == 0) continue;

     int newRow = origRow + row;
     int newCol = origCol + col;
     ComputeMoveOrEatPiece(grid.GetNodeAt(newRow, newCol));
    }
   }

   if (!moved && !didCastling && !player.IsChecked) {
    //check left
    int left = 1;
    bool freeLeft = true;
    int sign = GetSign();
    while (true) {
     int newCol = origCol - left * sign;
     if (newCol < 0 || newCol >= grid.Cols) break;
     Node toCheckNode = grid.GetNodeAt(origRow, newCol);

     if (toCheckNode.EmptySpace) {
      if (Rules.IsGuardedMove(player,piece,toCheckNode)) {
       freeLeft = false;
       break;
      }
     } else {
      Piece cPiece = toCheckNode.Piece;
      if (Rules.IsAlly(cPiece, piece) && cPiece.PieceType == PieceType.SQUARE) {
       rooks[0] = cPiece;
      } else {
       freeLeft = false;
      }
      break;
     }


     left++;
    }
    if (freeLeft && !rooks[0].IsMoved) {
     specialNodes[0,0] = grid.GetNodeAt(origRow, origCol - 1 * sign); //for rook
     specialNodes[0,1] = grid.GetNodeAt(origRow, origCol - 2 * sign); //for king
     ComputeMovePiece(specialNodes[0,1]);
    }

    //check right
    int right = 1;
    bool freeRight = true;
    while (true) {
     int newCol = origCol + right * sign;
     if (newCol < 0 || newCol >= grid.Cols) break;
     Node toCheckNode = grid.GetNodeAt(origRow, newCol);

     if (toCheckNode.EmptySpace) {
      if (Rules.IsGuardedMove(player,piece,toCheckNode)) {
       freeRight = false;
       break;
      }
     } else {
      Piece cPiece = toCheckNode.Piece;
      if (Rules.IsAlly(cPiece, piece) && cPiece.PieceType == PieceType.SQUARE) {
       rooks[1] = cPiece;
      } else {
       freeRight = false;
      }
      break;
     }


     right++;
    }
    if (freeRight && !rooks[1].IsMoved) {
     specialNodes[1,0] = grid.GetNodeAt(origRow, origCol + 1 * sign); //for rook
     specialNodes[1,1] = grid.GetNodeAt(origRow, origCol + 2 * sign); //for king
     ComputeMovePiece(specialNodes[1,1]);
    }

   }
  }