public void DragOver(MathTask task)
{
var selectedSquare = board[selectedMathTask.Row, selectedMathTask.Col];
var destinationSquare = board[task.Row, task.Col];
var indexOfSelectedSquare = Squares.IndexOf(selectedSquare);
var indexOfDestinationSquare = Squares.IndexOf(destinationSquare);
var newSelectedSquare = new Square(
selectedSquare.Row,
selectedSquare.Col,
selectedSquare.Color,
new Empty(selectedSquare.Row, selectedSquare.Col));
Squares[indexOfSelectedSquare] = newSelectedSquare;
selectedMathTask.Row = destinationSquare.Row;
selectedMathTask.Col = destinationSquare.Col;
var newDestinationSwuare = new Square(
destinationSquare.Row,
destinationSquare.Col,
destinationSquare.Color,
selectedMathTask);
Squares[indexOfDestinationSquare] = newDestinationSwuare;
this.board[selectedSquare.Row, selectedSquare.Col] = newSelectedSquare;
this.board[destinationSquare.Row, destinationSquare.Col] = newDestinationSwuare;
Task.Run(() =>
{
MessageBox.Show(task.ToString());
});
}
private void PushRow(List <SquareViewModel> row, MoveDirection direction)
{
int pos = 0;
int desiredX = direction == MoveDirection.Right ? (Width - 1) : 0;
if (desiredX != row[0].XRequest)
{
row[0].XRequest = desiredX;
ChangeOccured = true;
}
for (int i = 1; i < row.Count; i++)
{
if (row[i].Value == row[pos].Value && !row[pos].CreatedInThisTurn)
{
row[pos].Value *= 2;
boardContainer.Score += row[pos].Value;
row[pos].CreatedInThisTurn = true;
Squares.ElementAt(Squares.IndexOf(row[i])).ToBeRemoved = true;
row[i].XRequest = direction == MoveDirection.Right ? (Width - 1) - pos : pos;
row.RemoveAt(i);
i--;
ChangeOccured = true;
}
else
{
pos++;
desiredX = direction == MoveDirection.Right ? (Width - 1) - pos : pos;
if (desiredX != row[i].XRequest)
{
row[i].XRequest = desiredX;
ChangeOccured = true;
}
}
}
foreach (SquareViewModel item in row)
{
item.CreatedInThisTurn = false;
}
lastMove = direction;
}
private void PushCol(List <SquareViewModel> col, MoveDirection direction)
{
int pos = 0;
int desiredY = direction == MoveDirection.Bottom ? (Height - 1) : 0;
if (desiredY != col[0].Y)
{
col[0].YRequest = desiredY;
ChangeOccured = true;
}
for (int i = 1; i < col.Count; i++)
{
if (col[i].Value == col[pos].Value && !col[pos].CreatedInThisTurn)
{
col[pos].Value *= 2;
boardContainer.Score += col[pos].Value;
col[pos].CreatedInThisTurn = true;
Squares.ElementAt(Squares.IndexOf(col[i])).ToBeRemoved = true;
col[i].YRequest = direction == MoveDirection.Bottom ? (Height - 1) - pos : pos;
col.RemoveAt(i);
i--;
ChangeOccured = true;
}
else
{
pos++;
desiredY = direction == MoveDirection.Bottom ? (Height - 1) - pos : pos;
if (desiredY != col[i].YRequest)
{
col[i].YRequest = desiredY;
ChangeOccured = true;
}
}
}
foreach (SquareViewModel item in col)
{
item.CreatedInThisTurn = false;
}
lastMove = direction;
}
public string Encrypt(string clearText)
{
StringBuilder cipher = new StringBuilder();
int[] squIndices = new int[clearText.Length];
int[] rowIndices = new int[clearText.Length];
int[] colIndices = new int[clearText.Length];
for (int i = 0; i < clearText.Length; i++)
{
int index = Squares.IndexOf(clearText[i]);
squIndices[i] = index / 9;
rowIndices[i] = (index - squIndices[i] * 9) / 3;
colIndices[i] = (index - squIndices[i] * 9) % 3;
}
for (int i = 0; i < clearText.Length; i += Group)
{
int max = Group;
if (i + Group > clearText.Length)
{
max = clearText.Length - i;
}
for (int j = 0; j < 3 * max; j += 3)
{
int squ = (j < max ? squIndices[i + j] : (j < 2 * max ? rowIndices[i + j - max] : colIndices[i + j - 2 * max]));
int row = (j + 1 < max ? squIndices[i + j + 1] : (j + 1 < 2 * max ? rowIndices[i + j - max + 1] : colIndices[i + j - 2 * max + 1]));
int col = (j + 2 < max ? squIndices[i + j + 2] : (j + 2 < 2 * max ? rowIndices[i + j - max + 2] : colIndices[i + j - 2 * max + 2]));
cipher.Append(Squares[squ * 9 + row * 3 + col]);
}
}
return(cipher.ToString());
}
public string Decrypt(string cipherText)
{
StringBuilder clear = new StringBuilder();
int[] squIndices = new int[cipherText.Length];
int[] rowIndices = new int[cipherText.Length];
int[] colIndices = new int[cipherText.Length];
int k = 0;
int l = 0;
int n = 0;
for (int i = 0; i < cipherText.Length; i += Group)
{
int max = Group;
if (i + Group > cipherText.Length)
{
max = cipherText.Length - i;
}
int m = 0;
for (int j = 0; j < max; j++)
{
int c = Squares.IndexOf(cipherText[i + j]);
int squ = c / 9;
int row = (c - squ * 9) / 3;
int col = (c - squ * 9) % 3;
if (m < max)
{
squIndices[n++] = squ;
}
else if (m < 2 * max)
{
rowIndices[k++] = squ;
}
else
{
colIndices[l++] = squ;
}
m++;
if (m < max)
{
squIndices[n++] = row;
}
else if (m < 2 * max)
{
rowIndices[k++] = row;
}
else
{
colIndices[l++] = row;
}
m++;
if (m < max)
{
squIndices[n++] = col;
}
else if (m < 2 * max)
{
rowIndices[k++] = col;
}
else
{
colIndices[l++] = col;
}
m++;
}
}
for (k = 0; k < cipherText.Length; k++)
{
clear.Append(Squares[squIndices[k] * 9 + rowIndices[k] * 3 + colIndices[k]]);
}
return(clear.ToString());
}
