public bool IsAvailableMove(Corner start, Corner end)
{
return(IsAvailableMove(new Move(new Line(start, end))));
}
Box CreateBox(IMove move, BoxDirection direction, Player player)
{
bool wouldBox = false;
Corner ul = null, ur = null, ll = null, lr = null;
switch (direction)
{
case BoxDirection.Up:
{
if (!(move.Line as Line).Vertical)
{
ll = move.Line.Start as Corner;
ul = GetCornerFromDirection(ll, BoxDirection.Up);
lr = move.Line.End as Corner;
ur = GetCornerFromDirection(lr, BoxDirection.Up);
}
}
break;
case BoxDirection.Down:
{
if (!(move.Line as Line).Vertical)
{
ul = move.Line.Start as Corner;
ur = move.Line.End as Corner;
ll = GetCornerFromDirection(ul, BoxDirection.Down);
lr = GetCornerFromDirection(ur, BoxDirection.Down);
}
}
break;
case BoxDirection.Left:
{
if ((move.Line as Line).Vertical)
{
ur = move.Line.Start as Corner;
lr = move.Line.End as Corner;
ul = GetCornerFromDirection(ur, BoxDirection.Left);
ll = GetCornerFromDirection(lr, BoxDirection.Left);
}
}
break;
case BoxDirection.Right:
{
if ((move.Line as Line).Vertical)
{
ul = move.Line.Start as Corner;
ll = move.Line.End as Corner;
ur = GetCornerFromDirection(ul, BoxDirection.Right);
lr = GetCornerFromDirection(ll, BoxDirection.Right);
}
}
break;
default:
throw new ArgumentException("Direction must be one of Up, Down, Left, Right");
}
Box box = null;
if (ul != null && ur != null && ll != null && lr != null)
{
wouldBox = MakesBox(ul, ur, ll, lr, move as Move);
if (wouldBox)
{
box = new Box(ul, ur, lr, ll, player, this);
}
}
return(box);
}