/// <summary>
/// Tells if the moved piece on the cell changed the hit state of the blocked
/// </summary>
/// <param name="from">Where the piece stands right now</param>
/// <param name="to">Where the piece is moved</param>
/// <param name="blocked">Hit tests this piece</param>
/// <returns>If blocked is hittable after moving the from</returns>
public bool IsBlockedIfMove(ChessBoard.Cell from, ChessBoard.Cell to, ChessBoard.Cell blocked)
{
if (possibleMoves.Contains(blocked) && !possibleMoves.Contains(to))
{
//The blocked is hittable to begin with and we don't block it with a new blocker
//To may still equal blocked but direction should not care about that
return(false);
}
else if (possibleMoves.Contains(from))
{
int toIndex = possibleMoves.IndexOf(to);
if (0 <= toIndex && toIndex < possibleMoves.Count - 1)
{
return(true); //The blocker closer to the piece
}
else
{
//If we moved further
foreach (ChessBoard.Cell move in from.OpenLineOfSight(X, Y, DesiredCount - possibleMoves.Count))
{
if (move == to) //The blocker moved into the new path
{
return(true);
}
if (move == blocked) //The blocked is hittable
{
return(false);
}
}
}
}
//Happens when the blocker was not cotained and the blocked was not contained a perfect combination for nothing happening
return(true);
}
/// <summary>
/// Called when the turn is passed to the other player
/// </summary>
private void turnOver()
{
board.Move(holdedNode, moveTo, promoteOption);
holdedNode = null;
moveTo = null;
playerState = PlayerState.Idle;
currentPlayer = currentPlayer == PlayerColor.White ? PlayerColor.Black : PlayerColor.White;
turnStart();
}
/// <summary>
/// Happens when the user presses the enter key
/// </summary>
private void interact()
{
switch (playerState)
{
case PlayerState.Idle:
holdedNode = board.GetCell(cursorX, cursorY);
if (holdedNode.Piece == null || holdedNode.Piece.Color != currentPlayer || holdedNode.Piece.LegalMoves.Count == 0)
{
holdedNode = null;
return;
}
else
{
playerState = PlayerState.Holding;
}
break;
case PlayerState.Holding:
playerState = PlayerState.Holding;
moveTo = board.GetCell(cursorX, cursorY);
if (!holdedNode.Piece.LegalMoves.Contains(moveTo))
{
moveTo = null;
return;
}
if (board.IsPromotable(holdedNode, moveTo))
{
showPromote();
}
else
{
turnOver();
}
break;
case PlayerState.AwaitPromote:
turnOver();
break;
case PlayerState.GameOver:
Running = false;
break;
}
}
protected virtual bool canHit(ChessBoard.Cell cell)
{
return(cell != null && cell.Piece != null && cell.Piece.Color != Color);
}
/// <summary> /// Tells if the moved piece on the cell changed the hit state of the blocked /// </summary> /// <param name="from">Where the piece stands right now</param> /// <param name="to">Where the piece is moved</param> /// <param name="blocked">Hit tests this piece</param> /// <returns>If blocked is hittable after moving the from</returns> public abstract bool IsBlockedIfMove(ChessBoard.Cell from, ChessBoard.Cell to, ChessBoard.Cell blocked);
/// <summary>
/// Called when the piece is moved.
/// Does not recalculate just yet, you have to call <see cref="Recalculate"/> for that.
/// </summary>
public void OnMove(ChessBoard.Cell cell)
{
Parent = cell;
Moved = true;
}
/// <summary>
/// Called when the piece is first placed or when the piece is replaced after promotion.
/// Does not recalculate just yet, you have to call <see cref="Recalculate"/> for that.
/// </summary>
public void OnPlace(ChessBoard.Cell cell)
{
Parent = cell;
}
/// <summary>
/// Happens when the user presses the escape key
/// </summary>
private void cancel()
{
playerState = PlayerState.Idle;
holdedNode = null;
}
/// <summary>
/// Draws the game
/// </summary>
/// <param name="g">ConsoleGraphics object to draw with/to</param>
public void Draw(ConsoleGraphics g)
{
g.FillArea(new CChar(' ', ConsoleColor.Black, ConsoleColor.DarkGray), 10, 5, 8, 8);
//7-j everywhere cuz it's reversed in chess
for (int i = 0; i < 8; i++)
{
for (int j = 0; j < 8; j++)
{
//Draw the symbol
ChessBoard.Cell cell = board.GetCell(i, j);
if (cell.Piece != null)
{
g.DrawTransparent(cell.Piece.Char, (cell.Piece.Color == PlayerColor.White) ? ConsoleColor.White : ConsoleColor.Black, 10 + i, 5 + (7 - j));
if (cell.Piece.LegalMoves.Count == 0)
{
g.SetBackground(ConsoleColor.DarkRed, 10 + i, 5 + (7 - j));
}
}
if (cell.HitBy.Contains(debugPiece))
{
g.SetBackground(ConsoleColor.DarkMagenta, 10 + i, 5 + (7 - j));
}
}
}
if (holdedNode != null && playerState == PlayerState.Holding)
{
//Highlight legal moves
foreach (ChessBoard.Cell move in holdedNode.Piece.LegalMoves)
{
g.SetBackground(ConsoleColor.DarkGreen, 10 + move.X, 5 + (7 - move.Y));
}
}
//Sets the cursor color -> yellow
g.SetBackground(ConsoleColor.DarkYellow, 10 + cursorX, 5 + (7 - cursorY));
//TODO: Remove en passant testing
/*if (board.EnPassant != null)
* g.SetBackground(ConsoleColor.DarkCyan, 10 + board.EnPassant.X, 5 + (7 - board.EnPassant.Y));
*
* if (board.EnPassantCapture != null)
* g.SetBackground(ConsoleColor.DarkMagenta, 10 + board.EnPassantCapture.X, 5 + (7 - board.EnPassantCapture.Y));*/
//Lighten for checkerboard pattern
for (int i = 0; i < 8; i++)
{
for (int j = 0; j < 8; j++)
{
if ((i + j) % 2 == 1)
{
g.LightenBackground(10 + i, 5 + j);
}
}
}
//Promotion option menu
if (playerState == PlayerState.AwaitPromote)
{
g.DrawTextTrasparent("Queen", promoteOption == PromoteOptions.Queen ? ConsoleColor.Yellow : ConsoleColor.White, 22, 7);
g.DrawTextTrasparent("Rook", promoteOption == PromoteOptions.Rook ? ConsoleColor.Yellow : ConsoleColor.White, 22, 9);
g.DrawTextTrasparent("Bishop", promoteOption == PromoteOptions.Bishop ? ConsoleColor.Yellow : ConsoleColor.White, 22, 11);
g.DrawTextTrasparent("Knight", promoteOption == PromoteOptions.Knight ? ConsoleColor.Yellow : ConsoleColor.White, 22, 13);
}
else
{
g.ClearArea(22, 7, 6, 7);
}
}