private void RemoveCapturedPieces(GoMoveResponse resp)
{
foreach (var piece in Pieces.Values)
{
if (piece.IsNewCapture)
{
piece.IsNewCapture = false;
piece.RaiseMultiplePropertiesChanged();
}
}
foreach (var capturedPosition in resp.MoveResult.CapturedStones.Split(' '))
{
if (!String.IsNullOrWhiteSpace(capturedPosition))
{
if (Pieces.ContainsKey(capturedPosition))
{
var piece = Pieces[capturedPosition];
piece.Color = null;
piece.IsNewCapture = true;
piece.RaiseMultiplePropertiesChanged();
}
}
}
}
private void UndoMovesFromHistory()
{
if (Status == GoGameStatus.BlackWonDueToResignation || Status == GoGameStatus.WhiteWonDueToResignation)
{
History.RemoveAt(0);
}
else
{
Debug.Assert(History.Count < 2, "Can't undo more moves than have been made.");
int count = 2;
if (History.Count % 2 == 1)
{
count = 1;
}
// Pop off the top move.
for (int i = 0; i < count; i++)
{
var his = History[0];
var pos = his.Move.Position;
if (his.Move.MoveType == MoveType.Normal)
{
if (Pieces.ContainsKey(pos))
{
var piece = Pieces[pos];
piece.IsNewPiece = false;
piece.Color = null;
piece.RaiseMultiplePropertiesChanged();
}
var player = _players.First(p => p.Color == his.Move.Color);
// Restore any captured pieces.
foreach (var cap in his.Result.CapturedStones.Split(' '))
{
if (cap != String.Empty && Pieces.ContainsKey(cap))
{
player.Prisoners--;
var piece = Pieces[cap];
piece.IsNewPiece = false;
piece.Color = his.Move.Color == GoColor.Black ? GoColor.White : GoColor.Black;
piece.RaiseMultiplePropertiesChanged();
}
}
}
History.RemoveAt(0);
}
var latestPiece = GetLatestNormalMovePieceFromHistory();
if (latestPiece != null)
{
latestPiece.IsNewPiece = true;
latestPiece.RaiseMultiplePropertiesChanged();
}
}
}
public bool CanPressedCommand(string position)
{
return(position != null &&
IsBusy == false &&
Status == GoGameStatus.Active &&
Pieces != null &&
Pieces.ContainsKey(position) &&
Pieces[position].Color == null &&
_players != null &&
_players.Length == 2 &&
_players[WhoseTurn].PlayerType == PlayerType.Human);
}
public async void ExecutePressedCommand(string position)
{
// Note: position is the Go position such as "A15" where the user pressed.
if (!Pieces.ContainsKey(position))
{
return;
}
_savedColor = Pieces[position].Color;
Pieces[position].Color = _players[WhoseTurn].Color;
Pieces[position].RaiseMultiplePropertiesChanged();
MessageText = "Moving...";
IsBusy = true;
var move = new GoMove(MoveType.Normal,
_players[WhoseTurn].Color,
position);
GoMoveResponse resp = await DataRepository.PlayAsync(ActiveGame, move);
IsBusy = false;
MessageText = null;
if (resp.ResultCode == GoResultCode.Success)
{
AddMoveToHistory(resp.Move, resp.MoveResult);
//Pieces[resp.Move.Position].IsNewPiece = true;
RemoveCapturedPieces(resp);
CurrentPlayer.Prisoners += resp.MoveResult.CapturedStones.Split(' ').Count(x => x != String.Empty);
Pieces[position].RaiseMultiplePropertiesChanged();
SwapTurns();
SetState(resp.MoveResult.Status, resp.MoveResult.WinMargin);
if (Status == GoGameStatus.Active)
{
PlayCurrentUser();
}
}
else if (resp.ResultCode == GoResultCode.CommunicationError)
{
await HandleCommunicationError("Moving...");
}
else
{
Pieces[position].Color = _savedColor;
Pieces[position].RaiseMultiplePropertiesChanged();
await DisplayErrorCode(resp.ResultCode);
}
RaiseCommandsChanged();
}
private PieceStateViewModel GetLatestNormalMovePieceFromHistory()
{
var latestMove = History.FirstOrDefault(hi => hi.Move.MoveType == MoveType.Normal);
if (latestMove != null)
{
if (Pieces.ContainsKey(latestMove.Move.Position))
{
var piece = Pieces[latestMove.Move.Position];
return(piece);
}
}
return(null);
}
private void ClearHint()
{
if (_hint != null)
{
if (Pieces.ContainsKey(_hint))
{
var hintPiece = Pieces[_hint];
if (hintPiece != null)
{
hintPiece.IsHint = false;
hintPiece.RaiseMultiplePropertiesChanged();
}
}
_hint = null;
}
}
private void SetPieces(string p, GoColor goColor)
{
var split = p.Split(' ');
for (int index = 0; index < split.Length; index++)
{
var pos = split[index];
if (!String.IsNullOrWhiteSpace(pos) && Pieces.ContainsKey(pos))
{
Pieces[pos].Color = goColor;
}
else if (!String.IsNullOrWhiteSpace(pos))
{
// Can't set the sequence yet because index is not the correct value.
Pieces.Add(pos, new PieceStateViewModel(pos, null, goColor, false, false, false));
}
}
}
public async void ExecuteGetHint()
{
ClearHint();
MessageText = "Getting hint...";
IsBusy = true;
var resp = await DataRepository.HintAsync(ActiveGame, _players[WhoseTurn].Color);
IsBusy = false;
MessageText = null;
if (resp.ResultCode == GoResultCode.Success)
{
if (resp.Move.MoveType == MoveType.Normal)
{
_hint = resp.Move.Position;
if (Pieces.ContainsKey(_hint))
{
Pieces[_hint].IsHint = true;
Pieces[_hint].RaiseMultiplePropertiesChanged();
}
//InvokeFleetingMessage("How about " + resp.Move.Position + '?');
}
else
{
InvokeFleetingMessage("Perhaps you should " + resp.Move.ToString().ToLower() + '.', 1500);
}
}
else if (resp.ResultCode == GoResultCode.CommunicationError)
{
await HandleCommunicationError("Syncronizing...");
}
else
{
await DisplayErrorCode(resp.ResultCode);
}
RaiseCommandsChanged();
}
public override string ToString()
{
var sb = new StringBuilder();
for (byte row = 0; row < 8; row++)
{
sb.Append(row + " ");
for (byte col = 0; col < 8; col++)
{
var loc = new Loc(row, col);
if (Pieces.ContainsKey(loc))
{
sb.Append(GetName(Pieces[loc].Type) + " ");
}
else
{
sb.Append(" ");
}
}
sb.AppendLine();
}
return(sb.ToString());
}
public bool IsOccupied(Loc loc, bool white) => Pieces.ContainsKey(loc) ? Pieces[loc].IsWhite == white : false;
private async void PlayAI()
{
MessageText = _players[WhoseTurn].Name + " is thinking...";
IsBusy = true;
var resp = await DataRepository.GenMoveAsync(ActiveGame, _players[WhoseTurn].Color);
IsBusy = false;
MessageText = null;
if (AbortOperation)
{
return;
}
if (resp.ResultCode == GoResultCode.Success)
{
ClearHint();
switch (resp.Move.MoveType)
{
case MoveType.Normal:
CurrentPlayer.Prisoners += resp.MoveResult.CapturedStones.Split(' ').Count(x => x != String.Empty);
if (Pieces.ContainsKey(resp.Move.Position))
{
var p = Pieces[resp.Move.Position];
if (p != null)
{
p.Color = CurrentPlayer.Color;
p.IsNewPiece = true;
AddMoveToHistory(resp.Move, resp.MoveResult);
RemoveCapturedPieces(resp);
SwapTurns();
PlayCurrentUser();
}
}
break;
case MoveType.Pass:
AddMoveToHistory(resp.Move, resp.MoveResult);
await InvokeFleetingMessage(CurrentPlayer.Name + " passes.", 1500);
SwapTurns();
SetState(resp.MoveResult.Status, resp.MoveResult.WinMargin);
if (Status == GoGameStatus.Active)
{
PlayCurrentUser();
}
break;
case MoveType.Resign:
Status = CurrentPlayer.Color == GoColor.Black ? GoGameStatus.WhiteWon : GoGameStatus.BlackWon;
MessageText = CurrentPlayer.Name + " resigns. You win!";
SwapTurns();
break;
}
}
else if (resp.ResultCode == GoResultCode.CommunicationError)
{
await HandleCommunicationError(_players[WhoseTurn].Name + " is thinking...");
}
else
{
await DisplayErrorCode(resp.ResultCode);
}
RaiseCommandsChanged();
}