private void SearchFiguresOnCastle(ITile currentTile, CardinalDirection whereToGo)
{
CheckedTiles.Clear();
_starterWhereToGo = whereToGo;
_firstTile = currentTile;
CheckedTiles.Add(currentTile);
if (IsEndOfCastle(currentTile))
{
if (currentTile.GetTileSideByCardinalDirection(whereToGo).Landscape == Landscape.Castle)
{
CheckFigureOnTile(currentTile, (int)whereToGo);
CalculateWithEndOfCastle(currentTile, whereToGo);
}
}
else
{
for (int i = 0; i < 4; i++)
{
if (currentTile.Directions[i].Landscape == Landscape.Castle)
{
_foundEndofRoad.Clear();
_firstTile = GetEndOfCastle(currentTile, (CardinalDirection)i);
if (_firstTile != null)
{
CheckedTiles.Clear();
CheckedTiles.Add(_firstTile);
CheckFigureOnTile(_firstTile, (int)_whereToGoAfterEndFound);
CalculateWithEndOfCastle(_firstTile, _whereToGoAfterEndFound);
}
break;
}
}
}
}
private void CalculateWithEndOfCastle(ITile currentTile, CardinalDirection whereToGo)
{
var neighborTile = TileUtils.GetNeighborTile(TileUtils.GetSurroundingTiles(currentTile), whereToGo);
// Check if the castle is not finished
if (neighborTile == null)
{
_figuresOnTiles.Clear();
return;
}
if (IsChecked(neighborTile, CheckedTiles) && !neighborTile.Position.Equals(_firstTile.Position))
{
return;
}
CheckedTiles.Add(neighborTile);
if (neighborTile.Position.Equals(_firstTile.Position))
{
CheckFigureOnTile(neighborTile, (int)TileUtils.GetOppositeDirection(whereToGo));
return;
}
// If it is an EndOfCastle tile and it isn't the first tile...
if (IsEndOfCastle(neighborTile) && _firstTile != neighborTile)
{
CheckFigureOnTile(neighborTile, (int)TileUtils.GetOppositeDirection(whereToGo));
return;
}
for (int i = 0; i < 4; i++)
{
if (neighborTile.Directions[i].Landscape == Landscape.Castle)
{
CheckFigureOnTile(neighborTile, i);
}
}
for (int i = 0; i < 4; i++)
{
if (neighborTile.Directions[i].Landscape == Landscape.Castle && i != (int)TileUtils.GetOppositeDirection(whereToGo))
{
CalculateWithEndOfCastle(neighborTile, (CardinalDirection)i);
}
}
}
private ITile GetEndOfCastle(ITile currentTile, CardinalDirection whereToGo)
{
ITile neighborTile = TileUtils.GetNeighborTile(TileUtils.GetSurroundingTiles(currentTile), whereToGo);
if (neighborTile == null || IsEndOfCastle(neighborTile) || _firstTile.Position.Equals(neighborTile.Position) || CheckedTiles.Contains(neighborTile))
{
_whereToGoAfterEndFound = TileUtils.GetOppositeDirection(whereToGo);
return(neighborTile);
}
CheckedTiles.Add(neighborTile);
for (var i = 0; i < 4; i++)
{
if (neighborTile.Directions[i].Landscape == Landscape.Castle && i != (int)TileUtils.GetOppositeDirection(whereToGo))
{
return(GetEndOfCastle(neighborTile, neighborTile.GetCardinalDirectionByIndex(i)));
}
}
return(null);
}
private bool CanPlaceFigureOnCastle(ITile currentTile, CardinalDirection whereToGo, bool firstCall)
{
ITile neighborTile = TileUtils.GetNeighborTile(TileUtils.GetSurroundingTiles(currentTile), whereToGo);
if (firstCall)
{
_currentITile = currentTile;
CheckedTiles.Clear();
_figuresOnTiles.Clear();
_canPlaceFigure = true;
}
if (_currentITile == null)
{
_canPlaceFigure = false;
}
if (IsChecked(_currentITile, CheckedTiles))
{
return(_canPlaceFigure);
}
if (firstCall)
{
if (IsEndOfCastle(currentTile))
{
return(CanPlaceFigureOnCastle(currentTile, whereToGo, false));
}
else
{
List <bool> results = new List <bool>();
for (int i = 0; i < 4; i++)
{
if (currentTile.Directions[i].Landscape == Landscape.Castle && i != (int)whereToGo)
{
results.Add(CanPlaceFigureOnCastle(currentTile, (CardinalDirection)i, false));
}
}
return(results.All(e => e));
}
}
CheckedTiles.Add(currentTile);
CheckFigureOnTile(currentTile, (int)whereToGo);
if (neighborTile == null)
{
return(_canPlaceFigure);
}
if (IsEndOfCastle(neighborTile))
{
CheckFigureOnTile(neighborTile, (int)TileUtils.GetOppositeDirection(whereToGo));
return(neighborTile.Directions[(int)TileUtils.GetOppositeDirection(whereToGo)].Figure == null && _canPlaceFigure);
}
for (int i = 0; i < 4; i++)
{
if (neighborTile.Directions[i].Figure != null && neighborTile.Directions[i].Landscape == Landscape.Castle)
{
CheckFigureOnTile(currentTile, i);
_canPlaceFigure = false;
}
}
var resultOfPlacementChecking = new List <bool>();
for (var i = 0; i < 4; i++)
{
if (neighborTile.Directions[i].Landscape == Landscape.Castle &&
i != (int)TileUtils.GetOppositeDirection(whereToGo))
{
CheckFigureOnTile(neighborTile, i);
resultOfPlacementChecking.Add(CanPlaceFigureOnCastle(neighborTile, neighborTile.GetCardinalDirectionByIndex(i),
false));
}
}
return(resultOfPlacementChecking.All(e => e));
}