public static int MakeMove(Move move)
{
if (move == null || move.FromPole == null || move.ToPole == null)
{
return -1;
}
if (move.AffectCount())
{
MoveCount++;
}
if (move.IsValid())
{
Disk disk = move.FromPole.GetTopDisk();
Poles[move.FromPole.Number].RemoveDisk();
Poles[move.ToPole.Number].AddDisk(disk);
return MoveCount;
}
else //Invalid move
{
return -1;
}
}
void thisBox_QueryContinueDrag(object sender, QueryContinueDragEventArgs e)
{
Disk disk = (Disk)sender;
disk.Location = new Point(Cursor.Position.X - this.Location.X - (disk.Size.Height / 2),
Cursor.Position.Y - this.Location.Y - (disk.Size.Width / 2));
if (e.Action == DragAction.Drop)
{
int destinationPoleNumber = DeterminePoleFromCursorPosition();
Pole currentPole = GameState.FindDisk(disk);
Move move = new Move(currentPole, GameState.Poles[destinationPoleNumber]);
if (move.IsValid())
{
MakeMove(move);
}
else
{
Move moveBack = new Move(currentPole, currentPole);
GameState.MakeMove(moveBack);
}
}
}