private void Cycle()
{
CurveSearch <Chess.ChessBoard, Chess.ChessMove, ChessStrategy, ChessTactic> search = board.IsPlayerOneActive() ? searchP1 : searchP2;
for (int i = 0; i < cycleCount; i++)
{
search.Cycle();
}
Chess.ChessMove move = search.GetAndSetNext();
Vector2Int from = move.From, to = move.To;
Debug.Log((!board.IsPlayerOneActive() ? "White" : "Black") + " from " + from + ", to " + to);
}
/// <summary>
/// Returns list of All legal ChessMoves for a GamePiece
/// </summary>
/// <param name="piece">GamePiece that is being investigated</param>
public List <ChessMove> PossibleMoves(GamePiece piece)
{
if (piece is null)
{
return(null); // illegal - Empty space
}
Player activePlayer = piece.TeamColor == PlayerOne.TeamColor ? PlayerOne : PlayerTwo;
Cell fromCell = Cells.GetCell(piece.Location);
List <ChessMove> possibleMoves = new List <ChessMove>(); // Returning List of Possible Moves
GamePiece king = activePlayer.MyPieces.Find(gp => gp is King);
//List<BlindMove> blindMoves = fromCell.Piece.BlindMoves(); // Blind move instructions for Gamepiece
foreach (BlindMove bMove in fromCell.Piece.BlindMoves()) // Blind move instructions for Gamepiece
{
Cell focusCell = Cells.NextCell(fromCell, bMove.Direction); // The Starting Point
int moveCount = 0;
Condition moveType = Condition.Neutral;
// Increment through Instruction
while (!(focusCell is null) && bMove.Limit != moveCount && moveType == Condition.Neutral)
{
moveType = MovePossibility(fromCell.Piece, fromCell, focusCell, bMove.Condition);
// ADD to List of Possible ChessMoves
if (moveType == Condition.Neutral || moveType == Condition.Attack || moveType == Condition.enPassant || moveType == Condition.Castling)
{
ChessMove move;
if (moveType == Condition.enPassant) // *Special Move - Pawn captures Pawn via Enpassant
{
GamePiece captured = Cells.Find(c => !(c.enPassantPawn is null)).enPassantPawn;
move = new ChessMove(fromCell, focusCell, fromCell.Piece, captured, moveType, Cells.GetCell(captured.Location));
}
else if (moveType == Condition.Castling) // *Special Move - Castling, insert Rook into ChessMove
{
Rook rook = (Rook)Cells.GetCell((Point)bMove.OtherInfo).Piece;
int xDirection = bMove.Direction.X / 2;
Cell rookFrom = Cells.GetCell(rook.Location);
Cell rookTo = Cells.GetCell(new Point(fromCell.ID.X + xDirection, fromCell.ID.Y));
ChessMove rookMove = new ChessMove(rookFrom, rookTo, rook, null, Condition.Castling);
move = new ChessMove(fromCell, focusCell, fromCell.Piece, null, moveType, rookMove);
}
else // Regular Move
{
move = new ChessMove(fromCell, focusCell, fromCell.Piece, focusCell.Piece, moveType);
}
//Look in the future
move = MovePiece(move, true);
bool isKingSafe = IsSafe(king.Location, activePlayer);
move = UndoMovePiece(move, true);
if (isKingSafe)
{
possibleMoves.Add(move);
}
}
focusCell = Cells.NextCell(focusCell, bMove.Direction);
moveCount++;
}
}
return(possibleMoves);
}