/// <summary>
/// Initializes a new instance of the <see cref="BoardTileViewModel"/> class.
/// </summary>
/// <param name="figure">The figure.</param>
/// <param name="index">The index.</param>
/// <param name="position">The position.</param>
public BoardTileViewModel(BoardFigure figure, int index, Position position)
{
bool isWhite = false;
int idx = index / 8;
if (idx % 2 == 0)
{
isWhite = index % 2 == 0;
}
else
{
isWhite = index % 2 == 1;
}
Background = isWhite ? StaticResources.WHITE_TILE_COLOR : StaticResources.BLACK_TILE_COLOR;
Stroke = StaticResources.BORDER_TILE_COLOR;
StrokeThickness = 1;
IsActive = false;
Index = index;
Figure = figure;
Position = position;
ClickCommand = new RelayCommand(OnClick);
MouseEnterCommand = new RelayCommand(OnMouseEnter);
MouseLeaveCommand = new RelayCommand(OnMouseLeave);
}
private void GeneratePossiblePositions(BoardFigure boardFigure)
{
switch (boardFigure.Type)
{
case FigureType.Pawn:
boardFigure.PossiblePositions = GeneratePossiblePawnPositions(boardFigure);
break;
case FigureType.Rook:
boardFigure.PossiblePositions = GeneratePossibleRookPositions();
break;
case FigureType.Bishop:
boardFigure.PossiblePositions = GeneratePossibleBishopPositions();
break;
case FigureType.Queen:
boardFigure.PossiblePositions = GeneratePossibleQueenPositions();
break;
case FigureType.King:
boardFigure.PossiblePositions = GeneratePossibleKingPositions();
break;
case FigureType.Knight:
boardFigure.PossiblePositions = GeneratePossibleKnightPositions();
break;
default:
break;
}
}
private void ShowPromotion(BoardTileViewModel eventCaller, BoardFigure selectedFigure)
{
PromotionViewModel = new PromotionViewModel(selectedFigure);
PromotionViewModel.Promotion += () =>
{
var fig = new BoardFigure(PromotionViewModel.SelectedFigure.Type, selectedFigure.Color, eventCaller.Position);
BoardFigures.Remove(eventCaller.Figure);
eventCaller.Figure = fig;
ShowPromotionView = false;
Mediator.NotifyColleagues("ChangePlayer", actualPlayerColor);
};
ShowPromotionView = true;
}
private void Castling(BoardTileViewModel eventCaller, BoardFigure selectedFigure)
{
if (selectedFigure.Type == FigureType.King)
{
if (selectedFigure.Color == FigureColor.White && selectedFigure.Position.ToString() == "E1")
{
if (eventCaller.Position.ToString() == "G1")
{
var rookOldTile = GetTileViewModelFromPosition("H1");
var rookNewTile = GetTileViewModelFromPosition("F1");
rookNewTile.Figure = rookOldTile.Figure;
rookNewTile.Figure.Position = rookNewTile.Position;
rookOldTile.Figure = null;
}
else if (eventCaller.Position.ToString() == "C1")
{
var rookOldTile = GetTileViewModelFromPosition("A1");
var rookNewTile = GetTileViewModelFromPosition("D1");
rookNewTile.Figure = rookOldTile.Figure;
rookNewTile.Figure.Position = rookNewTile.Position;
rookOldTile.Figure = null;
}
}
else if (selectedFigure.Color == FigureColor.Dark && selectedFigure.Position.ToString() == "E8")
{
if (eventCaller.Position.ToString() == "G8")
{
var rookOldTile = GetTileViewModelFromPosition("H8");
var rookNewTile = GetTileViewModelFromPosition("F8");
rookNewTile.Figure = rookOldTile.Figure;
rookNewTile.Figure.Position = rookNewTile.Position;
rookOldTile.Figure = null;
}
else if (eventCaller.Position.ToString() == "C8")
{
var rookOldTile = GetTileViewModelFromPosition("A8");
var rookNewTile = GetTileViewModelFromPosition("D8");
rookNewTile.Figure = rookOldTile.Figure;
rookNewTile.Figure.Position = rookNewTile.Position;
rookOldTile.Figure = null;
}
}
}
}
private List <Position> GeneratePossiblePawnPositions(BoardFigure boardFigure)
{
List <Position> possiblePositions = new List <Position>();
var selectedTilePosition = selectedTile.Position;
if (boardFigure.Color == FigureColor.White)
{
var pos = new Position(selectedTilePosition.Column, selectedTilePosition.Row - 1);
if (IsWithinBoard(pos) && GetFigureFromPosition(pos) == null)
{
possiblePositions.Add(pos);
}
if (selectedTilePosition.Row == 6)
{
pos = new Position(selectedTilePosition.Column, selectedTilePosition.Row - 2);
if (IsWithinBoard(pos) && GetFigureFromPosition(pos) == null)
{
possiblePositions.Add(pos);
}
}
pos = new Position(selectedTilePosition.Column + 1, selectedTilePosition.Row - 1);
if (IsWithinBoard(pos) && GetFigureFromPosition(pos) != null)
{
possiblePositions.Add(pos);
}
pos = new Position(selectedTilePosition.Column - 1, selectedTilePosition.Row - 1);
if (IsWithinBoard(pos) && GetFigureFromPosition(pos) != null)
{
possiblePositions.Add(pos);
}
}
else
{
var pos = new Position(selectedTilePosition.Column, Math.Max(0, selectedTilePosition.Row + 1));
if (GetFigureFromPosition(pos) == null)
{
possiblePositions.Add(pos);
}
if (selectedTilePosition.Row == 1)
{
pos = new Position(selectedTilePosition.Column, Math.Max(0, selectedTilePosition.Row + 2));
if (GetFigureFromPosition(pos) == null)
{
possiblePositions.Add(pos);
}
}
pos = new Position(selectedTilePosition.Column + 1, selectedTilePosition.Row + 1);
if (IsWithinBoard(pos) && GetFigureFromPosition(pos) != null)
{
possiblePositions.Add(pos);
}
pos = new Position(selectedTilePosition.Column - 1, selectedTilePosition.Row + 1);
if (IsWithinBoard(pos) && GetFigureFromPosition(pos) != null)
{
possiblePositions.Add(pos);
}
}
return(possiblePositions);
}
private bool IsPromotion(BoardTileViewModel eventCaller, BoardFigure selectedFigure)
{
return(selectedFigure.Type == FigureType.Pawn && (eventCaller.Position.Row == 0 || eventCaller.Position.Row == 7));
}
