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);
}
private void Uc_ChessPiece_Click(object sender, EventArgs e)
{
// if we are in capturing Mode then exit
if (Uc_ChessBoard._isCapturingMode)
{
return;
}
//Get the present Uc_ChessBoard
Uc_ChessBoard uc_chessboard = (Uc_ChessBoard)this.Parent;
//If this cell is clicked and highlighted => will be eated by uc_chessboard.PositionChoosen cell
if (uc_chessboard.PositionChoosen.X != 0 && uc_chessboard.PositionChoosen.Y != 0)
{
//if choose this position again -> remove choose
if (uc_chessboard.PositionChoosen.X == this.Position.X && uc_chessboard.PositionChoosen.Y == this.Position.Y)
{
uc_chessboard.UnHighLightMoves();
uc_chessboard.HighLightWhoCheckAndKingChecked();
uc_chessboard.PositionChoosen = new Point(0, 0);
return;
}
foreach (ChessMove p in uc_chessboard.arrCanMove)
{
if (this._position.X == p.MoveTo.X && this._position.Y == p.MoveTo.Y)
{
uc_chessboard.DoMove(p);
uc_chessboard.PositionChoosen = new Point(0, 0); //this cell was eated so there's no Position Choosen
//Computer's move
if (uc_chessboard.GameMode == eGameMode.VsComputer)
{
uc_chessboard.IsThinking = true;
if (uc_chessboard.GameStatus == eGameStatus.Playing)
{
uc_chessboard.Computer_Move();
}
}
return;
}
}
//If this Point wasn't eated => reset PositionChoosen and Unhighlight
uc_chessboard.UnHighLightMoves();
uc_chessboard.PositionChoosen = new Point(0, 0);
//Make this Point -> Position Choosen
uc_chessboard.arrCanMove.Clear();
//if this point = position choosen -> return
if ((uc_chessboard.OwnSide == this._side || uc_chessboard.GameMode == eGameMode.VsHuman) &&
uc_chessboard.GameStatus == eGameStatus.Playing)
{
if ((uc_chessboard.WhoTurn == eChessSide.White && this._side == eChessSide.White) ||
(uc_chessboard.WhoTurn == eChessSide.Black && this._side == eChessSide.Black))
{
uc_chessboard.arrCanMove = Chess_Engine.FindAllPosibleMoves(uc_chessboard.arrState, this._position, uc_chessboard.OwnSide);
uc_chessboard.PositionChoosen = new Point(_position.X, _position.Y);
uc_chessboard.UnHighLightWhoCheckAndKingChecked();
uc_chessboard.UnHighLightLastMove();
uc_chessboard.HighLightAllPosibleMoves();
}
}
}
else
{
//If this Point isn't highlighted
//Make this Point -> Position Choosen
uc_chessboard.arrCanMove.Clear();
//if this point = position choosen -> return
if ((uc_chessboard.OwnSide == this._side || uc_chessboard.GameMode == eGameMode.VsHuman) &&
uc_chessboard.GameStatus == eGameStatus.Playing)
{
if ((uc_chessboard.WhoTurn == eChessSide.White && this._side == eChessSide.White) ||
(uc_chessboard.WhoTurn == eChessSide.Black && this._side == eChessSide.Black))
{
uc_chessboard.arrCanMove = Chess_Engine.FindAllPosibleMoves(uc_chessboard.arrState, this._position, uc_chessboard.OwnSide);
uc_chessboard.PositionChoosen = new Point(_position.X, _position.Y);
uc_chessboard.UnHighLightWhoCheckAndKingChecked();
uc_chessboard.UnHighLightLastMove();
uc_chessboard.HighLightAllPosibleMoves();
}
}
}
}
