//Läser data från xml-fil, skapar en representation av schackbräädet och returnerar det.
public ChessPiece[,] LoadData()
{
if (!IsFileLocked())
{
ChessPiece[,] board = new ChessPiece[8, 8];
XDocument doc = XDocument.Load(@".\chessdata\chessdata.xml");
var data = from item in doc.Descendants("ChessPiece")
select new
{
posx = item.Element("posX").Value,
posy = item.Element("posY").Value,
color = item.Element("color").Value,
type = item.Element("type").Value
};
foreach (var c in data)
{
switch (c.type)
{
case "Chess2._0.King":
ChessPiece king = new King(c.color, int.Parse(c.posx), int.Parse(c.posy));
board[int.Parse(c.posx), int.Parse(c.posy)] = king;
break;
case "Chess2._0.Queen":
ChessPiece queen = new Queen(c.color, int.Parse(c.posx), int.Parse(c.posy));
board[int.Parse(c.posx), int.Parse(c.posy)] = queen;
break;
case "Chess2._0.Runner":
ChessPiece runner = new Runner(c.color, int.Parse(c.posx), int.Parse(c.posy));
board[int.Parse(c.posx), int.Parse(c.posy)] = runner;
break;
case "Chess2._0.Horse":
ChessPiece horse = new Horse(c.color, int.Parse(c.posx), int.Parse(c.posy));
board[int.Parse(c.posx), int.Parse(c.posy)] = horse;
break;
case "Chess2._0.Tower":
ChessPiece tower = new Tower(c.color, int.Parse(c.posx), int.Parse(c.posy));
board[int.Parse(c.posx), int.Parse(c.posy)] = tower;
break;
case "Chess2._0.Farmer":
ChessPiece farmer = new Farmer(c.color, int.Parse(c.posx), int.Parse(c.posy));
board[int.Parse(c.posx), int.Parse(c.posy)] = farmer;
break;
}
}
return board;
}
else
{
throw new Exception();
}
}
//Skriver schackbrädet i sitt nuvarande tillstånd till en xml-fil
public void SaveData(ChessPiece[,] board)
{
watcher.EnableRaisingEvents = false;
if (!IsFileLocked())
{
ArrayList list = new ArrayList();
for (int x = 0; x < board.GetLength(0); x++)
{
for (int y = 0; y < board.GetLength(1); y++)
{
if (board[x, y] != null)
{
list.Add(board[x, y]);
}
}
}
//gör om arraylist till array
ChessPiece[] listan = list.ToArray(typeof(ChessPiece)) as ChessPiece[];
XDocument xmlDoc = new XDocument(
new XDeclaration("1.0", "UTF-8", "yes"),
new XComment("Nils och Fridens coola xml doc!"),
new XElement("ChessPieces",
from ChessPiece in listan
select new XElement("ChessPiece", new XElement("posX", ChessPiece.posX),
new XElement("posY", ChessPiece.posY),
new XElement("color", ChessPiece.Color),
new XElement("type", ChessPiece.GetType())
)));
xmlDoc.Save(@".\chessdata\chessdata.xml");
watcher.EnableRaisingEvents = true;
}
else
{
throw new Exception();
}
}
//Kollar om ett diagonalt drag är godkänt
public bool checkDiagonal(Move move, ChessPiece[,] currentBoard)
{
if (move.getfromX() < move.gettoX() && move.getfromY() < move.gettoY()) //x och y ökar
{
int y = move.getfromY() + 1;
for (int x = move.getfromX() + 1; x <= move.gettoX(); x++)
{
if (y < 8)
{
if (currentBoard[x, y] != null) //om någon pjäs står i vägen
{
if (x == move.gettoX() && y == move.gettoY()) //pjäsen har nått sitt mål
{
if (board.squareStatus(move, currentBoard) == 2)//Pjäsen har eliminerat en motståndare
{
return true;
}
}
return false;
}
}
y++;
}
return true;
}
if (move.getfromX() > move.gettoX() && move.getfromY() > move.gettoY()) //x och y minskar
{
int y = move.getfromY() - 1;
for (int x = move.getfromX() - 1; x >= move.gettoX(); x--)
{
if (y < 8)
{
if (currentBoard[x, y] != null)//om någon pjäs står i vägen
{
if (x == move.gettoX() && y == move.gettoY()) //pjäsen har nått sitt mål
{
if (board.squareStatus(move, currentBoard) == 2)//Pjäsen har eliminerat en motståndare
{
return true;
}
}
return false;
}
}
y--;
}
return true;
}
if (move.getfromX() < move.gettoX() && move.getfromY() > move.gettoY()) //x ökar, y minskar
{
int y = move.getfromY() - 1;
for (int x = move.getfromX() + 1; x <= move.gettoX(); x++)
{
if (y < 8)
{
if (currentBoard[x, y] != null)//om någon pjäs står i vägen
{
if (x == move.gettoX() && y == move.gettoY()) //pjäsen har nått sitt mål
{
if (board.squareStatus(move, currentBoard) == 2)//Pjäsen har eliminerat en motståndare
{
return true;
}
}
return false;
}
}
y--;
}
return true;
}
if (move.getfromX() > move.gettoX() && move.getfromY() < move.gettoY()) //x minskar, y ökar, alltid här
{
int y = move.getfromY() + 1;
for (int x = move.getfromX() - 1; x >= move.gettoX(); x--)
{
if (y < 8)
{
if (currentBoard[x, y] != null)//om någon pjäs står i vägen
{
if (x == move.gettoX() && y == move.gettoY()) //pjäsen har nått sitt mål
{
if (board.squareStatus(move, currentBoard) == 2)//Pjäsen har eliminerat en motståndare
{
return true;
}
}
return false;
}
}
y++;
}
return true;
}
return false;
}
//Kollar om det är ett tillåtet drag
public bool isValid(Move move, String gameStatus, ChessPiece[,] currentBoard)
{
if (board.colourOfPiece(move, currentBoard) == gameStatus)
{
if (currentBoard[move.getfromX(), move.getfromY()].isValidMove(move) && isLeagalMove(move, currentBoard))
{
if (isCheck(move, gameStatus))
{
return false;
}
return true;
}
else
{
return false;
}
}
return false;
}
//Kollar om ett vertikalt drag är tillåtet
public bool checkVertical(Move move, ChessPiece[,] currentBoard)
{
//kolla om det går att hoppa över skaer
if (move.getfromY() < move.gettoY())
{
for (int y = move.getfromY() + 1; y <= move.gettoY(); y++)
{
if (currentBoard[move.getfromX(), y] != null)
{
if (y == move.gettoY() && board.squareStatus(move, currentBoard) != 1)
{
return true;
}
return false;
}
}
return true;
}
else if (move.getfromY() > move.gettoY())
{
for (int y = move.getfromY() - 1; y >= move.gettoY(); y--)
{
if (currentBoard[move.getfromX(), y] != null)
{
if (y == move.gettoY() && (board.squareStatus(move, currentBoard) != 1))
{
return true;
}
return false;
}
}
return true;
}
return false;
}
//Kollar om draget är tillåtet enligt reglerna
public bool isLeagalMove(Move move, ChessPiece[,] currentBoard)
{
ChessPiece current = currentBoard[move.getfromX(), move.getfromY()];
if (current is Horse)
{
if (board.squareStatus(move, currentBoard) == 1)//En av spelarens egna pjäser står i vägen
{
return false;
}
return true;
}
else if (current is Farmer)
{
if ((move.getfromX() != move.gettoX() && board.squareStatus(move, currentBoard) == 2) ||
(move.gettoX() == move.getfromX() && board.squareStatus(move, currentBoard) == 3))
//bonden har tagit en enemy på sidan eller gått rak fram och inte träffat på ngn pjäs
{
return true;
}
return false;
}
else
{
if (move.isHorizontal() == true)
{
return checkHorizontal(move, currentBoard);
}
if (move.isVertical() == true)
{
return checkVertical(move, currentBoard);
}
if (move.isDiagonal() == true)
{
return checkDiagonal(move, currentBoard);
}
return false;
}
}
public void setBoard(ChessPiece[,] board)
{
this.board = board;
}
//Kollar om ett horisontellt drag är tillåtet
public bool checkHorizontal(Move move, ChessPiece[,] currentBoard)
{
if (move.getfromX() < move.gettoX())
{
for (int x = move.getfromX() + 1; x <= move.gettoX(); x++)
{
if (currentBoard[x, move.getfromY()] != null)
{
if (x == move.gettoX() && board.squareStatus(move, currentBoard) != 1)
{
return true;
}
return false;
}
}
return true;
}
if (move.getfromX() > move.gettoX())
{
for (int x = move.getfromX() - 1; x >= move.gettoX(); x--)
{
if (currentBoard[x, move.getfromY()] != null)
{
if (x == move.gettoX() && board.squareStatus(move, currentBoard) != 1)
{
return true;
}
return false;
}
}
return true;
}
return false;
}
//1. Egen pjäs
//2. Motståndares pjäs
//3. Tom ruta
public int squareStatus(Move move, ChessPiece[,] currentBoard)
{
if (currentBoard[move.gettoX(), move.gettoY()] != null)
{
ChessPiece p1 = currentBoard[move.getfromX(), move.getfromY()];
ChessPiece p2 = currentBoard[move.gettoX(), move.gettoY()];
if (p1.Color == p2.Color)
{
return 1;
}
else
{
return 2;
}
}
return 3;
}
public void setBoard(ChessPiece[,] brd)
{
board = brd;
}
//returnerar kungen från brädet
public ChessPiece getKingFromBoard(ChessPiece[,] temp, String gamestatus)
{
for (int x = 0; x <= temp.GetLength(0); x++)
{
for (int y = 0; y <= temp.GetLength(1); y++)
{
if (y < 8 && x < 8)
{
if (temp[x, y] != null)
{
ChessPiece piece = temp[x, y];
if (piece.Color == gamestatus && piece is King)
{
piece.posX = x;
piece.posY = y;
return piece;
}
}
}
}
}
return null;
}
public ChessPiece[,] getCopy()
{
ChessPiece[,] boardToReturn = new ChessPiece[8,8];
for(int x = 0; x <= 7; x++)
{
for(int y = 0; y <= 7; y++)
{
if (board[x, y] != null)
boardToReturn[x, y] = board[x,y];
}
}
return boardToReturn;
}
//Returnerar färgen på pjäsen som flyttas
public string colourOfPiece(Move move, ChessPiece[,] currentBoard)
{
if (currentBoard[move.getfromX(), move.getfromY()] != null)
{
return currentBoard[move.getfromX(), move.getfromY()].Color;
}
else return "";
}