private static void ChessMove(ChessGame game, BoardInternal game2, string move, Validation validate)
{
MoveModel mm = validate.GetMoveCoordsAndPiece(game, move);
if (mm.srcval == " ")
{
Message.Append("ERROR No piece to move from that square! :" + move + " ");
}
else if (!validate.IsWhiteOrBlackToMove(game, move))
{
if (game.Moves.Count % 2 == 0)
{
Message.Append("ERROR White's move! :" + move + " ");
}
else
{
Message.Append("ERROR Black's move! :" + move + " ");
}
}
else if (validate.IsPieceMoveValid(game, move) && validate.IsClearPath(game, game2, move) && !validate.DoesMovePutSelfInCheck(move))
{
if (validate.StorePieceMovePiece(game, move))
{
game.Moves.Add(move);
}
}
else
{
Message.Append("ERROR Invalid move :" + move + " ");
}
}
//////
///
public static void DisplayBoard(BoardInternal intBoard)
{
if (intBoard.Moves.Count % 2 == 0) //then its even or zero
{
Console.WriteLine("╔══╦══╦══╦══╦══╦══╦══╦══╗ WHITE to move...");
}
else
{
Console.WriteLine("╔══╦══╦══╦══╦══╦══╦══╦══╗ BLACK to move...");
}
for (int R = 0; R < 8; R++)
{
for (int F = 0; F < 8; F++)
{
if (!intBoard.FLIPPED)
{
Console.Write("║" + GetPiece(intBoard.Board[R, F]));
}
else
{
Console.Write("║" + GetPiece(intBoard.Board[7 - R, 7 - F]));
}
if (F == 7)
{
if (!intBoard.FLIPPED)
{
Console.Write("║ " + (8 - R).ToString());
}
else
{
Console.Write("║ " + (R + 1).ToString());
}
Console.Write("\n");
}
}
if (R < 7)
{
Console.WriteLine("╠══╬══╬══╬══╬══╬══╬══╬══╣");
}
}
Console.WriteLine("╚══╩══╩══╩══╩══╩══╩══╩══╝");
if (!intBoard.FLIPPED)
{
Console.WriteLine(" a b c d e f g h Pieces taken: " + intBoard.PiecesTaken);
}
else
{
Console.WriteLine(" h g f e d c b a Pieces taken: " + intBoard.PiecesTaken);
}
Console.WriteLine();
}
private static void ChessMove2(BoardInternal game, string move, Validation validate)
{
//if (validate.IsPieceMoveValid(game, move)
// && validate.IsClearPath(game, move)
// && validate.DoesMovePutSelfInCheck(move))
//{
// if (validate.StorePieceMovePiece(game, move))
// {
// game.Moves.Add(move);
// }
//}
//else
//{
// Message.Append("Invalid move :" + move + " ");
//}
}
private static void CommandMove2(BoardInternal game, string move)
{
if (move.StartsWith("q")) //quit the game
{
PLAYING = false;
}
else if (move.StartsWith("r")) //reset
{
game.FLIPPED = false;
game.Board = game.InitialiseGame();
game.Moves.Clear();
game.PiecesTaken.Clear();
}
else if (move.StartsWith("f")) //flip the board over
{
game.FLIPPED = !game.FLIPPED;
}
else if (move.StartsWith("s")) //save
{
// save the game - TODO
}
}
public static void Main()
{
string LowerCaseMove;
Validation validate = new Validation();
ChessGame Game1 = new ChessGame();
BoardInternal Game2 = new BoardInternal();
//test comment
while (PLAYING)
{
CommonUtils.DisplayBoard(Game2);
WriteBoard(Game1);
Message.Clear();
LowerCaseMove = Console.ReadLine().ToLower();
if (validate.IsFormatValid(LowerCaseMove))
{
if (LowerCaseMove == "r" || LowerCaseMove == "f" || LowerCaseMove == "s" || LowerCaseMove == "q")
{
CommandMove(Game1, LowerCaseMove);
CommandMove2(Game2, LowerCaseMove);
}
else
{
ChessMove(Game1, Game2, LowerCaseMove, validate);
ChessMove2(Game2, LowerCaseMove, validate);
}
}
else
{
Message.Append("Invalid move :" + LowerCaseMove + " ");
}
}
}
public bool IsClearPath(ChessGame game, BoardInternal game2, string move) //is the path clear?
{
var src = move.Substring(0, 2);
var dst = move.Substring(2, 2);
//real in memory coordinates..
int srank = GetRank(src); //source rank
int sfile = GetFile(src); //source file
int drank = GetRank(dst); //dest rank
int dfile = GetFile(dst); //dest file
//if its any piece moving just one square then no spaces in between to check
if ((Math.Abs(srank - drank) <= 1) && (Math.Abs(sfile - dfile) <= 1))
{
return(true);
}
//if a knight is moving return true as they just jump over things so dont need to check spaces
if (" N n".Contains(GetVal(game.Board, move.Substring(0, 2))))
{
return(true);
}
//check spaces in between all other moves
///////// horizontal?
if (Math.Abs(srank - drank) == 0) // y(rank) coordinate of src to dst not varying so moving horizontally
{
if (sfile < dfile) //x(file) moving right
{
for (int i = sfile + 1; i < dfile; i++) //so move along to the rank to the right by incrementing i
{
if (GetVal(game.Board, srank, i) != " ") //checking each square for blank
{
return(false); //if its not blank then something is in the way
}
}
return(true);
}
else //moving to left
{
for (int i = sfile - 1; i > dfile; i--) //so move along to the rank to the left by decrementing i
{
if (GetVal(game.Board, srank, i) != " ") //checking each square for blank
{
return(false); //if its not blank then something is in the way
}
}
return(true);
}
}
//////////////////////
///////// vertical?
if (Math.Abs(sfile - dfile) == 0) // x(file) coordinate of src to dst not varying so moving vertically
{
if (srank > drank) //y(rank) moving down
{
for (int i = srank - 1; i > drank; i--) //so move up the file by decrementing i
{
if (GetVal(game.Board, i, sfile) != " ") //checking each square for blank
{
return(false); //if its not blank then something is in the way
}
}
return(true);
}
else //moving up the file
{
for (int i = srank + 1; i < drank; i++) //so move down the file by decrementing i
{
if (GetVal(game.Board, i, sfile) != " ") //checking each square for blank
{
return(false); //if its not blank then something is in the way
}
}
return(true);
}
}
//diagonal ? if the absolute difference between the source rank and the destination rank is the same
// as the file source and destination difference then it is diagonal movement
int j;
if (Math.Abs(srank - drank) == Math.Abs(sfile - dfile)) //this means it is diagonal movement
{
if (srank < drank) //moving down the board (from the black side to the white side - source rank < destination rank)
{
if (sfile < dfile) //so, moving generally from 0,0 towards 7,7 (in memory coordinates) top left to bottom right
{
j = sfile + 1; //start checks on the second square as the start square is where the piece is coming from
for (int i = srank + 1; i < drank; i++) //move along the diagonal with increasing rank, dont need to check the last square.. that has already been done in a previous method
{
if (GetVal(game.Board, i, j) != " ") //checking for non blank square
{
return(false);
}
j++; //increment the file coordinate
}
}
else
{ //so, moving generally from 0,7 towards 7,0 (in memory coordinates) top right to bottom left
j = sfile - 1;
for (int i = srank + 1; i < drank; i++) //move along the diagonal with increasing rank
{
if (GetVal(game.Board, i, j) != " ") //checking for non blank square
{
return(false);
}
j--; //decrement the file coordinate
}
}
return(true);
}
if (srank > drank) //moving up the board (from the white side to the black side - source rank > destination rank)
{
if (sfile < dfile) //so, moving generally from 7,0 towards 0,7 (in memory coordinates) bottom left to top right
{
j = sfile + 1;
for (int i = srank - 1; i > drank; i--) //move along the diagonal with decreasing rank
{
if (GetVal(game.Board, i, j) != " ") //checking for non blank square
{
return(false);
}
j++; //increment the file coordinate
}
}
else
{ //so, moving generally from 7,7 towards 0,0 (in memory coordinates) bottom right to top left
j = sfile - 1;
for (int i = srank - 1; i > drank; i--) //move down along the diagonal with decreasing rank
{
if (GetVal(game.Board, i, j) != " ") //checking for non blank square
{
return(false);
}
j--; //decrement the file coordinate
}
}
return(true);
}
}
return(true);
}