public static ArrayList FindAllPosibleMoves(ChessState[,] arrState, Point pos, eChessSide ownSide)
{
ArrayList arrMove = new ArrayList();
eChessSide side = arrState[pos.X, pos.Y].Side;
Point[] How_To_Move = new Point[] { new Point(1, 1), new Point(1, -1), new Point(-1, 1), new Point(-1, -1), new Point(1, 0), new Point(0, 1), new Point(-1, 0), new Point(0, -1) };
bool[,] can_Moves = Chess_Engine.FindAllKingCanMove(arrState, side, ownSide);
for (int i = 0; i < How_To_Move.Length; i++)
{
Point pos_temp = new Point(pos.X + How_To_Move[i].X, pos.Y + How_To_Move[i].Y);
if (can_Moves[pos_temp.X, pos_temp.Y] == true)
{
if (arrState[pos_temp.X, pos_temp.Y].Type == eChessPieceType.Null)
{
arrMove.Add(new ChessMove(new Point(pos.X, pos.Y), new Point(pos_temp.X, pos_temp.Y), eMove.Moving, arrState[pos.X, pos.Y].Moves));
}
if (arrState[pos_temp.X, pos_temp.Y].Side != side && arrState[pos_temp.X, pos_temp.Y].Type > 0)
{
arrMove.Add(new ChessMove(new Point(pos.X, pos.Y), new Point(pos_temp.X, pos_temp.Y), eMove.Eating, new Point(pos_temp.X, pos_temp.Y), arrState[pos_temp.X, pos_temp.Y].Type, arrState[pos_temp.X, pos_temp.Y].Moves, arrState[pos.X, pos.Y].Moves));
}
}
}
if (arrState[pos.X, pos.Y].Moves == 0)
{
//King Side castling
if (arrState[pos.X, 6].Type == eChessPieceType.Null && arrState[pos.X, 7].Type == eChessPieceType.Null &&
arrState[pos.X, 8].Type == eChessPieceType.Rook && can_Moves[pos.X, 6] && can_Moves[pos.X, 7] &&
arrState[pos.X, 8].Moves == 0)
{
arrMove.Add(new ChessMove(new Point(pos.X, 5), new Point(pos.X, 7), eMove.Castling, arrState[pos.X, pos.Y].Moves));
}
//Queen Side castling
if (arrState[pos.X, 4].Type == eChessPieceType.Null && arrState[pos.X, 3].Type == eChessPieceType.Null &&
arrState[pos.X, 2].Type == eChessPieceType.Null && arrState[pos.X, 1].Type == eChessPieceType.Rook &&
can_Moves[pos.X, 4] && can_Moves[pos.X, 3] && arrState[pos.X, 1].Moves == 0)
{
arrMove.Add(new ChessMove(new Point(pos.X, 5), new Point(pos.X, 3), eMove.Castling, arrState[pos.X, pos.Y].Moves));
}
//Promote Side castling
if (pos.X == 8 && arrState[7, 5].Type == eChessPieceType.Null && arrState[6, 5].Type == eChessPieceType.Null &&
arrState[5, 5].Type == eChessPieceType.Null && arrState[4, 5].Type == eChessPieceType.Null &&
arrState[3, 5].Type == eChessPieceType.Null && arrState[2, 5].Type == eChessPieceType.Null &&
arrState[1, 5].Type == eChessPieceType.Rook && can_Moves[7, 5] && can_Moves[6, 5] && arrState[1, 5].Moves == 0)
{
arrMove.Add(new ChessMove(new Point(8, 5), new Point(6, 5), eMove.Castling, arrState[pos.X, pos.Y].Moves));
}
if (pos.X == 1 && arrState[7, 5].Type == eChessPieceType.Null && arrState[6, 5].Type == eChessPieceType.Null &&
arrState[5, 5].Type == eChessPieceType.Null && arrState[4, 5].Type == eChessPieceType.Null &&
arrState[3, 5].Type == eChessPieceType.Null && arrState[2, 5].Type == eChessPieceType.Null &&
arrState[8, 5].Type == eChessPieceType.Rook && can_Moves[2, 5] && can_Moves[3, 5] && arrState[8, 5].Moves == 0)
{
arrMove.Add(new ChessMove(new Point(1, 5), new Point(3, 5), eMove.Castling, arrState[pos.X, pos.Y].Moves));
}
}
return(arrMove);
}
