private int EvaluateGameState()
{
int whitePlayerScore = 0;
int blackPlayerScore = 0;
foreach (Piece piece in cgs.GetPieces(boardCopy))
{
if (piece.GetTeam() == ChessGlobals.Teams.BLACK_TEAM)
{
blackPlayerScore += GetScoreForPieceType(piece);
blackPlayerScore += GetScoreForPiecePosition(piece.GetPiecePosition());
}
else if (piece.GetTeam() == ChessGlobals.Teams.WHITE_TEAM)
{
whitePlayerScore += GetScoreForPieceType(piece);
whitePlayerScore += GetScoreForPiecePosition(piece.GetPiecePosition());
}
else
{
Debug.Log("Illegal team color evaluateGameState()");
}
}
ChessGlobals.GameState gameState = cgs.GetGameState();
if (gameState.getState() == ChessGlobals.GameState.BLACK_TURN)
{
return(blackPlayerScore - whitePlayerScore);
}
else if (gameState.getState() == ChessGlobals.GameState.WHITE_TURN)
{
return(whitePlayerScore - blackPlayerScore);
}
else if (gameState.getState() == ChessGlobals.GameState.WHITE_WIN || gameState.getState() == ChessGlobals.GameState.BLACK_WIN || gameState.getState() == ChessGlobals.GameState.DRAW)
{
return(Int32.MinValue + 1);
}
Debug.Log("Illegal game state in evaluateGameState()");
return(0);
}
// Update is called once per frame
protected virtual void Update()
{
//handles moving a piece
if ((DrawBoard.IsClicked || DrawPiece.IsClicked) && movePieceFrom != Vector3.down)
{
//here must disallow moving pieces to anywhere other than a legal square
if (legalMovesForAPiece != null)
{
movePieceTo = DrawBoard.IsClicked ? DrawBoard.SquarePosition : DrawPiece.PiecePosition;
DrawPiece.ClearHighlight();
if (board.IsOccupied(movePieceTo))
{
//if the color of the piece matches the current turn
if (board.GetPieceAt(movePieceTo).GetTeam() == gameState.getState())
{
movePieceTo = Vector3.down;
movePieceFrom = Vector3.down;
drawBoard.ClearHighlights();
return;
}
}
else
{
drawBoard.ClearHighlights();
}
if (!legalMovesForAPiece.Contains(movePieceTo))
{
movePieceTo = Vector3.down;
currentlySelectedPiece = null;
}
}
}
//handles clicking a piece
else if (DrawPiece.IsClicked)
{
SelectPiece();
}
// If the user has clicked on a space to move and a piece to move, move the piece and reset the vectors to numbers the user cannot choose.
// In the real game we would also have to check if it is a valid move.
if (movePieceFrom != Vector3.down && movePieceTo != Vector3.down)
{
MovePieceModel(movePieceFrom, movePieceTo);
}
}