public Board15(bool random = false)
{
int start = 1;
int end = 15;
Boardcells = new pown[4, 4];
int Counter = 1;
if (!random)
{
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 4; j++)
{
Boardcells[i, j] = new pown(i, j, Counter);
Counter++;
}
}
}
else
{
//Random rnd = new Random();
List <int> randomNumbers = new List <int>(16);
int randval = 0;
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 4; j++)
{
if (i != 3 || j != 3)
{
do
{
if (start < end)
{
if (randomNumbers.Contains(start))
{
start++;
}
if (randomNumbers.Contains(end))
{
end--;
}
}
randval = rnd.Next(start, end + 1);
}while (randomNumbers.Contains(randval));
randomNumbers.Add(randval);
Boardcells[i, j] = new pown(i, j, randval);
Counter++;
}
}
}
}
//init empty cell in cell 4,4
Boardcells[rowempty, colempty] = new pown(rowempty, colempty, 0);
Boardcells[rowempty, colempty].setEmpty(true);
}
public bool checkRight(pown pw)
{
if (pw.getCol() != 3)
{
if (Boardcells[pw.getRow(), pw.getCol() + 1].Empty())
{
return(true);
}
}
return(false);
}
public bool checkLeft(pown pw)
{
if (pw.getCol() != 0)
{
if (Boardcells[pw.getRow(), pw.getCol() - 1].Empty())
{
return(true);
}
}
return(false);
}
//Switch between empty and given pown cells
public void switchPowns(pown pw)
{
pown temp = new pown(pw.getRow(), pw.getCol(), pw.getValue());
pown empty_pow = Boardcells[rowempty, colempty];
pw.setX(rowempty);
pw.setY(colempty);
//pw.setEmpty(false);
Boardcells[rowempty, colempty] = pw;
rowempty = temp.getRow();
colempty = temp.getCol();
empty_pow.setX(rowempty);
empty_pow.setY(colempty);
Boardcells[rowempty, colempty] = empty_pow;
}
public bool EmptyNieghbor(pown pw)
{
return(checkLeft(pw) || checkRight(pw) || checkUP(pw) || checkDown(pw));
}