public void Move(int x, int y)
{
if (OnCheck != null)
{
var headpos = snakePeaces[0].Position;
Vector2 pos = headpos + new Vector2(x, y);
IObject obj;
if ((obj = OnCheck.Invoke(this, pos)).GetType() != typeof(SceneObject))
{
if (obj is SnakePeace peace)
{
Cut(peace);
}
else
if (obj is Food food)
{
Eat(food);
}
}
else
{
for (int i = 0; i < snakePeaces.Count; i++)
{
var peace = snakePeaces[i];
Vector2 tmppos = peace.Position;
peace.Position = pos;
pos = tmppos;
}
}
}
}
/// <summary>
///
/// permet de sauvegarder la nouvelle position de checkpoint en fonction de si le checkpoint
/// checké est un petit ou un gros checkpoint
///
/// </summary>
/// <param name="pos"></param>
/// <param name="isSmall"></param>
static private void Checkpoint_OnCheck(Vector3 pos, bool isSmall)
{
if (!isSmall)
{
SoundManager.Instance.Play(SoundManager.Instance.Sounds.Checkpoint);
}
if (isSmall && pos != _smallCheckPointPosition)
{
_smallCheckPointPosition = pos;
OnCheck?.Invoke(isSmall);
}
else if (!isSmall && pos != _mainCheckPointPosition)
{
_mainCheckPointPosition = pos;
_smallCheckPointPosition = pos;
OnCheck?.Invoke(isSmall);
}
}
protected virtual void SwitchState(CheckableState newState)
{
if (newState == State)
{
return;
}
State = newState;
switch (State)
{
case CheckableState.Unchecked:
OnUncheck?.Invoke(this);
return;
case CheckableState.Checked:
OnCheck?.Invoke(this);
return;
}
throw new Exception($"Unrecognized State {State}");
}
}//SetMove
internal void Check(Sign sign)
{
OnCheck?.Invoke((State)Evaluate(sign));
}//Check
private void Chessboard_MouseUp(object sender, MouseEventArgs e)
{
Cursor = Cursors.Default;
if (DragDropOperation.DraggedPiece != null && DragDropOperation.DraggedPiece.Kind != ChessPieceKind.None)
{
if (e.X > DigitAreaWidth && e.X < this.Width && e.Y < Height - LetterAreaHeight && e.Y > 0)
{
// Drops a piece on the board
var destinationSquare = (BoardDirection == BoardDirection.BlackOnTop ?
new ChessSquare((ChessFile)((e.X - DigitAreaWidth) / SquareWidth), (ChessRank)(7 - (e.Y / SquareHeight))) :
new ChessSquare((ChessFile)(7 - (e.X - DigitAreaWidth) / SquareWidth), (ChessRank)(e.Y / SquareHeight)));
var moveValidationResult = ChessEngine.GetMoveValidity(DragDropOperation.Origin, destinationSquare);
if (moveValidationResult.IsValid)
{
var promotionCancelled = false;
if (moveValidationResult.MoveKind.HasFlag(ChessMoveType.Promotion))
{
var pieceChooser = new FrmPromotion(ChessEngine.Turn);
promotionCancelled = pieceChooser.ShowDialog() != DialogResult.OK;
moveValidationResult.PromotedTo = pieceChooser.ChoosePiece;
}
if (!promotionCancelled)
{
moveValidationResult.ToSAN = ChessEngine.MoveToSAN(moveValidationResult); // Update the SAN after promotion
MovePiece(moveValidationResult);
OnPieceMoved?.Invoke(this, moveValidationResult);
if (ChessEngine.IsCheckmate)
{
OnCheckmate?.Invoke(this, new EventArgs());
}
else if (ChessEngine.IsCheck)
{
OnCheck?.Invoke(this, new EventArgs());
}
else if (ChessEngine.IsDraw)
{
OnDraw?.Invoke(this, new EventArgs());
}
}
else
{
Invalidate();
}
}
else
{
Invalidate();
}
}
else
{
// Drops a piece outside of the board
ChessEngine.RemovePieceAt(DragDropOperation.Origin);
Invalidate();
OnPieceRemoved?.Invoke(this, DragDropOperation.Origin, DragDropOperation.DraggedPiece, e.Location);
}
}
DragDropOperation = new DragOperation(null, null);
OnSquareUnselected?.Invoke(this, new EventArgs());
}