public bool TryMakeCellIndex(int col, int row, out ICellIndex cellIndex)
{
cellIndex = col >= 0 && col < Cols && row >= 0 && row < Rows
? new CellIndex(col, row, this)
: null;
return(cellIndex != null);
}
private bool IsNeighbor(ICellIndex c)
{
if (!c.IsLifeCell)
{
return(false);
}
if (c.Generation <= 0)
{
return(true);
}
return(!_playData.Params.UseGenerations);
}
protected override IEnumerable <ICellIndex> NeighborCellIndexEnum(ICellIndex cellIndex)
{
for (int deltaCol = -1; deltaCol <= 1; deltaCol++)
{
for (int deltaRow = -1; deltaRow <= 1; deltaRow++)
{
if (deltaCol == 0 && deltaRow == 0)
{
continue;
}
int tmpCol = cellIndex.Col + deltaCol;
int tmpRow = cellIndex.Row + deltaRow;
if (PlayData.Area.TryMakeCellIndex(tmpCol, tmpRow, out ICellIndex tmpCellIndex))
{
yield return(tmpCellIndex);
}
}
}
}
protected override IEnumerable <ICellIndex> NeighborCellIndexEnum(ICellIndex cellIndex)
{
if (PlayData.Area.TryMakeCellIndex(cellIndex.Col + 1, cellIndex.Row, out ICellIndex tmpCellIndex))
{
yield return(tmpCellIndex);
}
if (PlayData.Area.TryMakeCellIndex(cellIndex.Col - 1, cellIndex.Row, out tmpCellIndex))
{
yield return(tmpCellIndex);
}
if (PlayData.Area.TryMakeCellIndex(cellIndex.Col, cellIndex.Row + 1, out tmpCellIndex))
{
yield return(tmpCellIndex);
}
if (PlayData.Area.TryMakeCellIndex(cellIndex.Col, cellIndex.Row - 1, out tmpCellIndex))
{
yield return(tmpCellIndex);
}
}
protected abstract IEnumerable <ICellIndex> NeighborCellIndexEnum(ICellIndex cellIndex);
public int GetLifeNeighborhoodCount(ICellIndex cellIndex)
{
return(NeighborCellIndexEnum(cellIndex).Count(IsNeighbor));
}
protected override bool CheckNeighborsCountForSurvivals(ICellIndex cellIndex, int neighborhoodCount)
{
return(_survivalsNeighborsCount.Contains(neighborhoodCount));
}
protected override bool CheckNeighborsCountForNewCell(ICellIndex cellIndex, int neighborhoodCount)
{
return(_newNeighborsCount.Contains(neighborhoodCount));
}
public bool IsNewCellPolicy(ICellIndex cellIndex, int neighborhoodCount)
{
return(cellIndex.IsEmptyCell && CheckNeighborsCountForNewCell(cellIndex, neighborhoodCount));
}
protected abstract bool CheckNeighborsCountForSurvivals(ICellIndex cellIndex, int neighborhoodCount);
public bool IsDyingCellPolicy(ICellIndex cellIndex, int neighborhoodCount, int maxGenerations)
{
return(cellIndex.IsLifeCell && (!CheckNeighborsCountForSurvivals(cellIndex, neighborhoodCount) || cellIndex.Generation > maxGenerations));
}
protected abstract bool CheckNeighborsCountForNewCell(ICellIndex cellIndex, int neighborhoodCount);
