public static void MoveFeagure(Point newPosition, Chessman chessman)
{
RemoveFeagure(chessman);
Chessman enemy;
if (_board.TryGetValue(newPosition, out enemy))
{
if (enemy.Color == chessman.Color)
{
throw new Exception("Cannibalism");
}
_board.Remove(newPosition);
}
AddFeagure(newPosition, chessman);
}
static bool SomebodyCanSave(Chessman king, Point safaPoint)
{
var saviors =
_board.Values.Where(
_ =>
_.Color == king.Color && _.Type != FeagureType.King &&
_.CanGo(safaPoint)).ToList();
saviors = saviors.Where(_ => !IsKingUnderAttack(king.Color, safaPoint, _, false)).ToList();
Debug.WriteLine("*****BEGING Saviors ******");
foreach (var savior in saviors)
{
Debug.WriteLine("{0} {1}", savior.Type, savior.CurrentPosition);
}
Debug.WriteLine("*****END Saviors ******");
return(saviors.Any());
}
public static Chessman GetKingAttacker(Color color, Point?exceptPoint, Chessman chessman, bool showMessage = true)
{
var king = _board.Values.First(_ => _.Type == FeagureType.King && _.Color == color);
var added = false;
Chessman removedChessman = null;
//TODO
if (chessman != null)
{
_board.Remove(chessman.CurrentPosition);
}
if (exceptPoint.HasValue && chessman != null)
{
if (_board.ContainsKey(exceptPoint.Value))
{
removedChessman = _board[exceptPoint.Value];
_board.Remove(exceptPoint.Value);
}
_board.Add(exceptPoint.Value, chessman);
added = true;
}
var enemies = _board.Values.Where(_ => _.Color != color && _.CurrentPosition != exceptPoint).Where(_ => _.CanHit(king.CurrentPosition)).ToList();
foreach (var enemy in enemies)
{
Debug.WriteLine("{0} {1}", enemy.Color, enemy.Type);
}
if (added)
{
_board.Remove(exceptPoint.Value);
}
if (chessman != null)
{
_board.Add(chessman.CurrentPosition, chessman);
}
if (removedChessman != null)
{
_board.Add(exceptPoint.Value, removedChessman);
}
if (enemies.Any())
{
if (enemies.Count > 1)
{
throw new FatalityException {
WinColor = ColorHelper.GetOpposite(color)
}
}
;
if (showMessage)
{
MessageBox.Show("Your king need to run!");
}
return(enemies.First());
}
return(null);
}
public static void RemoveFeagure(Chessman chessman)
{
var entry = _board.First(_ => _.Value == chessman);
_board.Remove(entry.Key);
}
public static bool IsKingUnderAttack(Color color, Point?exceptPoint, Chessman chessman, bool showMessage = true)
{
var attacker = GetKingAttacker(color, exceptPoint, chessman, showMessage);
return(attacker != null);
}
public static void AddFeagure(Point point, Chessman chessman)
{
_board.Add(point, chessman);
}