private IEnumerable <CellConnection> GetNeighbors(int cellX, int cellY, CellConnections[,] cells, int gridWidth, int gridHeight)
{
if (cellX > 0)
{
CellConnections neighbor = cells[cellX - 1, cellY];
yield return(new RightNeighbor(neighbor));
}
if (cellX < gridWidth - 1)
{
CellConnections neighbor = cells[cellX + 1, cellY];
yield return(new LeftNeighbor(neighbor));
}
if (cellY > 0)
{
CellConnections neighbor = cells[cellX, cellY - 1];
yield return(new DownNeighbor(neighbor));
}
if (cellY < gridHeight - 1)
{
CellConnections neighbor = cells[cellX, cellY + 1];
yield return(new UpNeighbor(neighbor));
}
}
public CellState(IEnumerable <Tile> remainingOptions, CellConnections connections)
{
Connections = connections;
RemainingOptions = remainingOptions.ToList().AsReadOnly();
CurrentChoice = RemainingOptions[0];
}
internal CellState GetCellState(CellConnections connections)
{
return(cellStateLookup[connections]);
}
public CellConnection(CellConnections cell, Func <Tile, Tile, bool> comparisonFunction)
{
Cell = cell;
this.comparisonFunction = comparisonFunction;
}
public DownNeighbor(CellConnections neighborCell)
: base(neighborCell, Connects)
{
}
public RightNeighbor(CellConnections neighborCell)
: base(neighborCell, Connects)
{
}
