// Method for the opening of popup
public void open(Player player, coord position)
{
close ();
foreach (Figure fig in this.figures) {
TileWidget tile = new TileWidget ("", fig.name (), player.ToString (), this.tileSize);
tile.position = position;
fig.color = player.ToString ();
box.PackStart (tile);
tile.ButtonPressEvent += onTileClicked;
}
this.ShowAll ();
}
// Method that return some message to player,for example if it is under check or under checkmate
public Message Move(Player player, coord start, coord end)
{
Message result = new Message(false, "", "", player);
if (doCastling(player, start, end))
{
return(result);
}
else if (doEnPassant(player, start, end))
{
return(result);
}
else if (checkMove(player, start, end) && !isCheck(player, start, end))
{
if (this.fields [end.x, end.y].GetType().Name != "Empty")
{
this.removedFigures.Add(this.fields [end.x, end.y]);
}
this.fields [end.x, end.y] = this.fields [start.x, start.y];
this.fields [start.x, start.y] = new Empty();
//check if with this move the other player will be in check or even checkmate
if (isCheck(player.next()))
{
result.msg = "check";
if (isCheckMate(player.next(), new coord(0, 0)))
{
result.msg = "checkmate";
}
}
if (this.getFieldFigureName(end) == "Pawn")
{
((Pawn)this.fields [end.x, end.y]).justMoved = true;
}
//remove all justMoved
for (int x = 0; x < this.size.x; x++)
{
for (int y = 0; y < this.size.y; y++)
{
if (this.fields [x, y].color == player.ToString() && getFieldFigureName(new coord(x, y)) == "Pawn")
{
((Pawn)this.fields [x, y]).justMoved = false;
}
}
}
//set moved Pawn's justMoved to true;
if (this.getFieldFigureName(end) == "Pawn" && (start.y + 2 == end.y || start.y - 2 == end.y))
{
((Pawn)this.fields [end.x, end.y]).justMoved = true;
}
if (this.getFieldFigureName(end) == "Pawn" && (end.y == 0 || end.y == 7))
{
result.action = "chooser";
}
this.fields [end.x, end.y].hasMoved = true;
isDraw(player.next(), new coord(0, 0));
return(result);
}
result.error = true;
return(result);
}
//special move: castling
private bool doCastling(Player player, coord start, coord end)
{
//castling is only possible if the figure on the start position is a king witch hasn' t moved
if (this.getFieldFigureName(start) == "King" && this.fields [start.x, start.y].color == player.ToString() && this.fields [start.x, start.y].hasMoved == false)
{
//left side castling
if (start.x + 2 == end.x && this.getFieldFigureName(new coord(start.x + 1, start.y)) == "Empty" && !Move(player, start, new coord(start.x + 1, start.y)).error)
{
//move the king a secound time
if (!Move(player, new coord(start.x + 1, start.y), new coord(start.x + 2, start.y)).error)
{
//save kings position to allow the rock to move
Figure tmpKingPosition = this.fields [end.x, end.y];
this.fields [end.x, end.y] = new Empty();
//move rock
if (!Move(player, new coord(7, start.y), new coord(4, start.y)).error)
{
this.fields [end.x, end.y] = tmpKingPosition;
return(true);
}
else
{
tmpKingPosition.hasMoved = false;
this.fields [start.x, start.y] = tmpKingPosition;
}
}
else
{
this.fields [start.x, start.y] = this.fields [start.x + 1, start.y];
this.fields [start.x, start.y].hasMoved = false;
this.fields [start.x + 1, start.y] = new Empty();
}
}
//right side castling
else if (start.x - 2 == end.x && this.getFieldFigureName(new coord(start.x - 1, start.y)) == "Empty" && !Move(player, start, new coord(start.x - 1, start.y)).error)
{
//move the king a secound time
if (!Move(player, new coord(start.x - 1, start.y), new coord(start.x - 2, start.y)).error)
{
//save kings position to allow the rock to move
Figure tmpKingPosition = this.fields [end.x, end.y];
this.fields [end.x, end.y] = new Empty();
//move rock
if (!Move(player, new coord(0, start.y), new coord(2, start.y)).error)
{
this.fields [end.x, end.y] = tmpKingPosition;
return(true);
}
else
{
tmpKingPosition.hasMoved = false;
this.fields [start.x, start.y] = tmpKingPosition;
}
}
else
{
this.fields [start.x, start.y] = this.fields [start.x - 1, start.y];
this.fields [start.x, start.y].hasMoved = false;
this.fields [start.x - 1, start.y] = new Empty();
}
}
}
return(false);
}
// Method that return a message
public Message Move(Player player, coord start)
{
return(new Message(this.getFieldFigureName(start) == "Empty" || this.getFieldFigureColor(start) != player.ToString(), "firstClick", "", player));
}