//
// Main move function
//
internal void MovePiece(object sender, MouseEventArgs e, bool attack = false)
{
isCheck = false;
//
// Get vars + Positions
//
PictureBox box = (PictureBox)sender;
TableLayoutPanelCellPosition pos = playBoard.GetPositionFromControl(box);
TableLayoutPanelCellPosition selpos = selectedPiece.pos;
//
// Passant check before move
//
bool ep = false;
if (box.Name.Contains("DEL") &&
selectedPiece.pieceRank == Rank.PAWN &&
pos.Column != selpos.Column)
{
ep = true;
attack = true;
playBoard.Controls.Remove
(playBoard.GetControlFromPosition
(pos.Column, selpos.Row));
}
//
// Move the piece.
//
playBoard.Controls.Remove(box);
playBoard.Controls.Add(selectedPiece.box, pos.Column, pos.Row);
//
// Pawn checks
//
foreach (ChessPiece pc in Calcs.pieces)
{
if (pc.isWhite == selectedPiece.isWhite)
{
pc.PassElig = false;
}
}
if (selectedPiece.pieceRank == Rank.PAWN)
{
if (Math.Abs(selpos.Row - pos.Row) == 2)
{
selectedPiece.PassElig = true;
}
selectedPiece.canDouble = false;
if (selectedPiece.CheckPromote())
{
promPiece = selectedPiece;
Spr = selectedPiece.isWhite ? WPr : BPr;
foreach (Button b in Spr)
{
b.Visible = true;
}
notifBoard.Visible = true;
}
}
//
// Remove temp boxes
//
ClearTempBoxes();
//
// Change turn text
//
whiteTurn = !whiteTurn;
if (whiteTurn)
{
turnbox.Text = "WHITE";
}
else
{
turnbox.Text = "BLACK";
}
isMoving = false;
//
// Get check
//
List <ChessPiece> isCheckL = Calcs.CheckCheck(whiteTurn);
checkingPieces = isCheckL;
bool isCheckB = isCheckL.Count != 0;
isCheck = isCheckB;
//
// Get CM
//
bool ifMoves = Calcs.NMCheck(whiteTurn, isCheckL);
if (!ifMoves)
{
// Game is over
isOver = true;
notifBoard.Visible = true;
winText.Visible = true;
turnbox.Visible = false;
turntext.Visible = false;
replay.Visible = true;
// Find Checkmate/Stalemate
if (isCheckB)
{
winText.Text = whiteTurn ? "BLACK WINS!" : "WHITE WINS!";
}
else
{
winText.Text = "STALEMATE!";
}
}
// Update moves
string[] lines = GetMoveText(attack, selpos, selectedPiece, isCheckB, !ifMoves, ep);
List <string> boxLines = moves.Lines.ToList();
if (boxLines.Count != 0)
{
string last = boxLines[boxLines.Count - 1];
if (!last.Contains(' '))
{
last += (' ' + lines[0]);
boxLines[boxLines.Count - 1] = last;
}
else
{
boxLines = boxLines.Concat(lines).ToList();
}
moves.Lines = boxLines.ToArray();
}
else
{
moves.Lines = lines;
}
//
// Clear selected piece
//
selectedPiece = null;
}