/// <summary>
/// Creates a new <see cref="Cell"/> instance using its location and state from an environment.
/// </summary>
/// <param name="location">The location of the state to be created.</param>
/// <param name="environment">It is used to get the <see cref="Cell"/>`s state.</param>
/// <returns>The initialized <see cref="Cell"/> object.</returns>
public static Cell Create(Point location, CAEnvironment environment)
{
var c = new Cell(location);
var key = c.GetKey();
if (environment.States.Contains(key))
{
c.State = true;
}
return c;
}
public bool CanBeActivated(Cell currentCell, CellCollection neighbours)
{
IEnumerator<Cell> enumerator = neighbours.GetEnumerator();
byte currentCase = 0;
int index = neighbours.Count - 1;
while (enumerator.MoveNext())
{
if (enumerator.Current.State)
{
currentCase += (byte) Math.Pow(2, index);
}
index--;
}
return _rule[currentCase];
}
public bool CanBeActivated(Cell currentCell, CellCollection neighbours)
{
short count = 0;
IEnumerator<Cell> enumerator = neighbours.GetEnumerator();
while (enumerator.MoveNext())
{
if (enumerator.Current.State)
{
count++;
}
}
if (count == 3)
{
return true;
}
if (count == 2 && currentCell.State)
{
return true;
}
return false;
}
/// <summary>
/// Gets and sets the new <see cref="Cell.State"/> of particular <see cref="Cell"/>.
/// </summary>
/// <param name="cell">The <see cref="Cell"/>, which <see cref="Cell.State"/> is pregenerated.</param>
public bool SetCellState(Cell cell)
{
long key = cell.GetKey();
if (_rule.CanBeActivated(cell, _neighbourhood.GetNeighbours(cell.Location, this)))
{
cell.State = true;
if (!StatesNew.Contains(key))
{
StatesNew.Add(key);
}
}
else
{
cell.State = false;
if (StatesNew.Contains(key))
{
StatesNew.Remove(key);
}
}
return cell.State;
}
