// sees if we need to do enpassant
protected bool TryEnPassant(int CurrentSquare, int TargetSquare)
{
Pieces.Piece CurrentPiece = (Pieces.Piece)GameData.g_CurrentGameState[CurrentSquare];
if (CurrentPiece != null)
{
if (CurrentPiece.GetEnPassantMoves().Contains(TargetSquare))
{
// do move
if (CurrentPiece.GetColor() == PColor.White)
{
GameData.g_CurrentGameState[TargetSquare - 8] = null;
GameData.g_CurrentGameState[CurrentSquare] = null;
GameData.g_CurrentGameState[TargetSquare] = CurrentPiece;
CurrentPiece.SetPosition(TargetSquare);
return(true);
}
// do move
else if (CurrentPiece.GetColor() == PColor.Black)
{
GameData.g_CurrentGameState[TargetSquare + 8] = null;
GameData.g_CurrentGameState[CurrentSquare] = null;
GameData.g_CurrentGameState[TargetSquare] = CurrentPiece;
CurrentPiece.SetPosition(TargetSquare);
return(true);
}
}
}
return(false);
}
// reset internal board to the current game state
protected void ResetBoard()
{
Pieces.Piece CurrentPiece = null;
// initialize our board
for (int Position = 0; Position < GameData.g_StartingPositions.Length; Position++)
{
// create appropriate class
switch ((PType)GameData.g_StartingPositions[Position])
{
case PType.BlackBishop:
{
CurrentPiece = new Pieces.Bishop(PColor.Black);
CurrentPiece.SetPosition(Position);
break;
}
case PType.BlackKing:
{
CurrentPiece = new Pieces.King(PColor.Black);
CurrentPiece.SetPosition(Position);
break;
}
case PType.BlackKnight:
{
CurrentPiece = new Pieces.Knight(PColor.Black);
CurrentPiece.SetPosition(Position);
break;
}
case PType.BlackPawn:
{
CurrentPiece = new Pieces.Pawn(PColor.Black);
CurrentPiece.SetPosition(Position);
break;
}
case PType.BlackQueen:
{
CurrentPiece = new Pieces.Queen(PColor.Black);
CurrentPiece.SetPosition(Position);
break;
}
case PType.BlackRook:
{
CurrentPiece = new Pieces.Rook(PColor.Black);
CurrentPiece.SetPosition(Position);
break;
}
case PType.WhiteBishop:
{
CurrentPiece = new Pieces.Bishop(PColor.White);
CurrentPiece.SetPosition(Position);
break;
}
case PType.WhiteKing:
{
CurrentPiece = new Pieces.King(PColor.White);
CurrentPiece.SetPosition(Position);
break;
}
case PType.WhiteKnight:
{
CurrentPiece = new Pieces.Knight(PColor.White);
CurrentPiece.SetPosition(Position);
break;
}
case PType.WhitePawn:
{
CurrentPiece = new Pieces.Pawn(PColor.White);
CurrentPiece.SetPosition(Position);
break;
}
case PType.WhiteQueen:
{
CurrentPiece = new Pieces.Queen(PColor.White);
CurrentPiece.SetPosition(Position);
break;
}
case PType.WhiteRook:
{
CurrentPiece = new Pieces.Rook(PColor.White);
CurrentPiece.SetPosition(Position);
break;
}
default:
{
CurrentPiece = null;
break;
}
}
// add piece to board
GameData.g_CurrentGameState[Position] = CurrentPiece;
}
}
// sees if we can castle
protected bool TryCastling(int CurrentSquare, int TargetSquare)
{
Pieces.Piece CurrentPiece = (Pieces.Piece)GameData.g_CurrentGameState[CurrentSquare];
if (CurrentPiece != null)
{
int SquareDifference = TargetSquare - CurrentSquare;
if (CurrentPiece.GetPieceType() == PType.WhiteKing)
{
// white, long castle
if (SquareDifference == -2 && CurrentPiece.CanMoveTo(TargetSquare))
{
// do move
GameData.g_CurrentGameState[3] = GameData.g_CurrentGameState[0];
GameData.g_CurrentGameState[3].SetPosition(3);
GameData.g_CurrentGameState[0] = null;
GameData.g_CurrentGameState[2] = GameData.g_CurrentGameState[4];
GameData.g_CurrentGameState[4].SetPosition(4);
GameData.g_CurrentGameState[4] = null;
return(true);
}
// white, short castle
else if (SquareDifference == 2 && CurrentPiece.CanMoveTo(TargetSquare))
{
// do move
GameData.g_CurrentGameState[6] = GameData.g_CurrentGameState[4];
GameData.g_CurrentGameState[6].SetPosition(6);
GameData.g_CurrentGameState[4] = null;
GameData.g_CurrentGameState[5] = GameData.g_CurrentGameState[7];
GameData.g_CurrentGameState[5].SetPosition(5);
GameData.g_CurrentGameState[7] = null;
return(true);
}
}
else if (CurrentPiece.GetPieceType() == PType.BlackKing)
{
// black, short castle
if (SquareDifference == 2 && CurrentPiece.CanMoveTo(TargetSquare))
{
// do move
GameData.g_CurrentGameState[61] = GameData.g_CurrentGameState[63];
GameData.g_CurrentGameState[61].SetPosition(61);
GameData.g_CurrentGameState[63] = null;
GameData.g_CurrentGameState[62] = GameData.g_CurrentGameState[60];
GameData.g_CurrentGameState[62].SetPosition(62);
GameData.g_CurrentGameState[60] = null;
return(true);
}
// black long castle
else if (SquareDifference == -2 && CurrentPiece.CanMoveTo(TargetSquare))
{
// do move
GameData.g_CurrentGameState[58] = GameData.g_CurrentGameState[60];
GameData.g_CurrentGameState[58].SetPosition(58);
GameData.g_CurrentGameState[60] = null;
GameData.g_CurrentGameState[59] = GameData.g_CurrentGameState[56];
GameData.g_CurrentGameState[59].SetPosition(59);
GameData.g_CurrentGameState[56] = null;
return(true);
}
}
}
return(false);
}
