/*
* This is the process Driver This class handles all the checkes at the top most level
* Each failed check throws the exception.
*/
public String processChess(String move, String board)
{
byte sColumn;
byte sRow;
byte dColumn;
byte dRow;
char csColumn;
char scrow;
char cdColumn;
char dcrow;
Engine engine = null;
String fen;
/*
* This if/else checks for the move string throws and exception if null is passed in
* This also checks and verify if the string is correct format it will throw
* the exceptions
*/
if (move != null)
{
int space = move.LastIndexOf(" ");
if (space == -1)
{
throw new System.ArgumentException("The move sting is in the wrong format missing space between moves", "Chess");
}
Byte[] bytes = Encoding.ASCII.GetBytes(move.ToLower());
csColumn = (char)bytes[space - 2];
sColumn = GetByteFromCharL(csColumn);
scrow = (char)bytes[space - 1];
sRow = GetByteFromCharN(scrow);
cdColumn = (char)bytes[space + 1];
dColumn = GetByteFromCharL(cdColumn);
dcrow = (char)bytes[space + 2];
dRow = GetByteFromCharN((char)bytes[space + 2]);
}
else
{
throw new System.ArgumentException("The move sting is null", "Chess");
}
/*
* This if/else checks for the board to be null or not and creates the engine
*/
if (board != null)
{
engine = new Engine(board);
}
else
{
engine = new Engine();
}
String pieceColor = engine.GetPieceColorAt(sColumn, sRow).ToString();
String moveColor = engine.WhoseMove.ToString();
/*
* Checks the piece color with the move color if they are not the same throws and exception
*/
if (!pieceColor.Equals(moveColor))
{
throw new System.ArgumentException("THE PIECE YOU ARE MOVING IS NOT YOUR COLOR PLEASE MOVE YOUR COLOR", "Chess");
}
/*
* Check to make sure the move is valid and make sure the FEN is valid
*/
if (engine.IsValidMove(sColumn, sRow, dColumn, dRow))
{
/*
* Checks to make sure th move is complete
*/
if (!engine.MovePiece(sColumn, sRow, dColumn, dRow))
{
throw new System.ArgumentException("MOVED FAILED PLEASE RESEND", "Chess");
}
}
else
{
throw new System.ArgumentException("Invalid Move or Malformed FEN", "Chess");
}
fen = Fen(false, engine.ChessBoard);
return fen;
}
/*
*Checks is the player is white return true if is.
*/
public bool IsWhiteMove(String fn)
{
bool move = false;
Engine Tengine = new Engine(fn);
string whitemove = "White";
if (whitemove.Equals(Tengine.ChessBoard.WhoseMove.ToString()))
{
move = true;
}
return move;
}