public static Dictionary <int, Dictionary <int, ChessPiece> > GetScenario(Move testMove)
{
var scenario = HelperMaths.DeepClone(Layout);
scenario[testMove.Destination.Item1][testMove.Destination.Item2] = scenario[testMove.Origin.Item1][testMove.Origin.Item2];
scenario[testMove.Origin.Item1][testMove.Origin.Item2] = null;
return(scenario);
}
public static bool HorizontalThreatCheck(int kingX, int kingY, Dictionary <int, Dictionary <int, ChessPiece> > scenario, PieceColor enemy)
{
for (int i = 1; i <= 8; i++)
{
if (HelperMaths.IsInRange(kingY + i, 0, 7))
{
if (scenario[kingX][kingY + i] != null)
{
if (scenario[kingX][kingY + i].ToString() == enemy.ToString() + PieceType.Rook.ToString() ||
scenario[kingX][kingY + i].ToString() == enemy.ToString() + PieceType.Queen.ToString())
{
return(true);
}
else
{
break;
}
}
}
else
{
break;
}
}
for (int i = 1; i <= 8; i++)
{
if (HelperMaths.IsInRange(kingY - i, 0, 7))
{
if (scenario[kingX][kingY - i] != null)
{
if (scenario[kingX][kingY - i].ToString() == enemy.ToString() + PieceType.Rook.ToString() ||
scenario[kingX][kingY - i].ToString() == enemy.ToString() + PieceType.Queen.ToString())
{
return(true);
}
else
{
break;
}
}
}
else
{
break;
}
}
return(false);
}
//-----------------------------------------------------------------
// King check functions
//-----------------------------------------------------------------
public static bool EnemyPawnCheck(int kingX, int kingY, Dictionary <int, Dictionary <int, ChessPiece> > scenario, PieceColor enemy)
{
if (enemy == PieceColor.Black)
{
if (HelperMaths.IsInRange(kingX - 1, 0, 7) && HelperMaths.IsInRange(kingY - 1, 0, 7))
{
if (scenario[kingX - 1][kingY - 1]?.ToString() == enemy.ToString() + "Pawn")
{
return(true);
}
}
if (HelperMaths.IsInRange(kingX - 1, 0, 7) && HelperMaths.IsInRange(kingY + 1, 0, 7))
{
if (scenario[kingX - 1][kingY + 1]?.ToString() == enemy.ToString() + "Pawn")
{
return(true);
}
}
}
if (enemy == PieceColor.White)
{
if (HelperMaths.IsInRange(kingX + 1, 0, 7) && HelperMaths.IsInRange(kingY - 1, 0, 7))
{
if (scenario[kingX + 1][kingY - 1]?.ToString() == enemy.ToString() + "Pawn")
{
return(true);
}
}
if (HelperMaths.IsInRange(kingX + 1, 0, 7) && HelperMaths.IsInRange(kingY + 1, 0, 7))
{
if (scenario[kingX + 1][kingY + 1]?.ToString() == enemy.ToString() + "Pawn")
{
return(true);
}
}
}
return(false);
}
private static bool TestKingChecks(Dictionary <int, Dictionary <int, ChessPiece> > scenario)
{
for (int i = 0; i < 8; i++)
{
for (int j = 0; j < 8; j++)
{
if (scenario[i][j]?.ToString() == GameState.PlayerTurn.ToString() + "King")
{
PieceColor enemy = GameState.PlayerTurn == PieceColor.Black ? enemy = PieceColor.White : enemy = PieceColor.Black;
if (HelperMaths.EnemyPawnCheck(i, j, scenario, enemy) || HelperMaths.HorizontalThreatCheck(i, j, scenario, enemy) ||
HelperMaths.DiagonalThreatCheck(i, j, scenario, enemy) || HelperMaths.VerticalThreatCheck(i, j, scenario, enemy) ||
HelperMaths.HorseThreatCheck(i, j, scenario, enemy))
{
return(true);
}
return(false);
}
}
}
return(false);
}
public static bool HorseThreatCheck(int kingX, int kingY, Dictionary <int, Dictionary <int, ChessPiece> > scenario, PieceColor enemy)
{
if (HelperMaths.IsInRange(kingX - 2, 0, 7) && HelperMaths.IsInRange(kingY - 1, 0, 7))
{
if (scenario[kingX - 2][kingY - 1]?.ToString() == enemy.ToString() + "Horseman")
{
return(true);
}
}
if (HelperMaths.IsInRange(kingX - 2, 0, 7) && HelperMaths.IsInRange(kingY + 1, 0, 7))
{
if (scenario[kingX - 2][kingY + 1]?.ToString() == enemy.ToString() + "Horseman")
{
return(true);
}
}
if (HelperMaths.IsInRange(kingX + 2, 0, 7) && HelperMaths.IsInRange(kingY - 1, 0, 7))
{
if (scenario[kingX + 2][kingY - 1]?.ToString() == enemy.ToString() + "Horseman")
{
return(true);
}
}
if (HelperMaths.IsInRange(kingX + 2, 0, 7) && HelperMaths.IsInRange(kingY + 1, 0, 7))
{
if (scenario[kingX + 2][kingY + 1]?.ToString() == enemy.ToString() + "Horseman")
{
return(true);
}
}
//
if (HelperMaths.IsInRange(kingX + 1, 0, 7) && HelperMaths.IsInRange(kingY + 2, 0, 7))
{
if (scenario[kingX + 1][kingY + 2]?.ToString() == enemy.ToString() + "Horseman")
{
return(true);
}
}
if (HelperMaths.IsInRange(kingX - 1, 0, 7) && HelperMaths.IsInRange(kingY + 2, 0, 7))
{
if (scenario[kingX - 1][kingY + 2]?.ToString() == enemy.ToString() + "Horseman")
{
return(true);
}
}
if (HelperMaths.IsInRange(kingX + 1, 0, 7) && HelperMaths.IsInRange(kingY - 2, 0, 7))
{
if (scenario[kingX + 1][kingY - 2]?.ToString() == enemy.ToString() + "Horseman")
{
return(true);
}
}
if (HelperMaths.IsInRange(kingX - 1, 0, 7) && HelperMaths.IsInRange(kingY - 2, 0, 7))
{
if (scenario[kingX - 1][kingY - 2]?.ToString() == enemy.ToString() + "Horseman")
{
return(true);
}
}
return(false);
}
public static Dictionary <int, Dictionary <int, ChessPiece> > GetGameState()
{
var clone = HelperMaths.DeepClone(Layout);
return(clone);
}