private void IsCheck(IStone stone)
{
King king = NextPlayer.GetKing();
if (stone.TryMove(king.Location, Table, out IStone k))
{
Check = true;
CheckStone = stone;
}
if (Check)
{
IsCheckmate(stone);
if (Checkmate)
{
Check = false;
}
}
}
private void IsCheckmate(IStone stone)
{
var king = NextPlayer.GetKing();
// check yapan taşı yiyebilecek bir taş var mı?
bool checkStoneCouldEated = false;
IStone checkStoneEater = null;
foreach (var nextPlayerStone in NextPlayer.Stones)
{
if (nextPlayerStone.TryMove(stone.Location, Table, out IStone _s))
{
bool checkStoneEaterCouldMove = true;
// şah çeken taşı yiyebilecek olan taş bu hareketi yapabilir mi?
nextPlayerStone.GhostMove(stone.Location);
foreach (var currentPlayerStone in CurrentPlayer.Stones)
{
if (currentPlayerStone == stone)
{
// şah çeken taşı yediğini varsayıyoruz
continue;
}
if (currentPlayerStone.TryMove(stone.Location, Table, out IStone _k))
{
// danger
// nextPlayerStone could not move!!
checkStoneEaterCouldMove = false;
break;
}
}
nextPlayerStone.UndoGhost();
if (checkStoneEaterCouldMove)
{
checkStoneCouldEated = true;
checkStoneEater = nextPlayerStone;
break;
}
}
}
if (checkStoneCouldEated)
{
if (checkStoneEater is King)
{
// stone'u o lokasyondan geçici olarak alalım
// daha sonra o lokasyona bir taş gidebilir mi ona bakalım.
// gidemiyorsa stone'u o laskyona geri alalım
stone.GhostMove(null);
foreach (var currentPlayerStone in CurrentPlayer.Stones)
{
if (currentPlayerStone == stone)
{
continue;
}
if (currentPlayerStone.TryMove(stone.StoredLocation, Table, out IStone _k))
{
//Checkmate = true;
//stone.UndoGhost();
//return;
checkStoneCouldEated = false;
break;
}
}
stone.UndoGhost();
}
//return;
}
// başka bir taş kral ile check yapan taş arasına girebilir mi?
bool someStoneBroked = false;
List <Location> checkLocations = stone.GetMovementLocations(king.Location, Table);
if (checkLocations != null)
{
foreach (var checkLocation in checkLocations)
{
foreach (var nextPlayerStone in NextPlayer.Stones)
{
if (nextPlayerStone is King)
{
continue;
}
if (nextPlayerStone.TryMove(checkLocation, Table, out IStone _s))
{
someStoneBroked = true;
break;
}
}
if (someStoneBroked)
{
break;
}
}
}
// king kaçabilir mi?
if (checkStoneCouldEated == false && someStoneBroked == false && king.CouldRun(Table, stone.Location) == false)
{
Checkmate = true;
Check = false;
}
}
