public void SetNumber(int x, int y, int num)
{
int row = (int)Math.Floor((double)y / 3);
int col = (int)Math.Floor((double)x / 3);
BoardBox bb = BoardBox[col, row];
int minorX = x - col * 3;
int minorY = y - row * 3;
bb.SetNumber(minorX, minorY, num);
}
public void ClearBoard()
{
for (int x = 0; x < 3; x += 1)
{
for (int y = 0; y < 3; y += 1)
{
BoardBox[x, y] = new BoardBox();
}
}
}
public int GetNumber(int x, int y)
{
int row = (int)Math.Floor((double)y / 3);
int col = (int)Math.Floor((double)x / 3);
BoardBox bb = BoardBox[col, row];
int minorX = x - col * 3;
int minorY = y - row * 3;
return(bb.GetNumber(minorX, minorY));
}
public bool CanPlaceAtSubGrid(int subX, int subY, int relX, int relY, int num)
{
BoardBox subGrid = BoardBox[subX, subY];
int checkNum = subGrid.GetNumber(relX, relY);
if (checkNum == 0)
{
bool numExists = false;
for (int x = 0; x < 3; x += 1)
{
for (int y = 0; y < 3; y += 1)
{
if (x == relX && y == relY)
{
continue;
}
checkNum = subGrid.GetNumber(x, y);
if (checkNum == num)
{
numExists = true;
break;
}
}
if (numExists)
{
break;
}
}
if (!numExists)
{
return(true);
}
}
return(false);
}
