public CellState GetNextCellState(ReadOnlyGrid neighbours)
{
var prioritisedRuleKeys = GetRuleKeysOrderedInReversePriority();
var currentState = neighbours.GetCellState(new CellPosition(1, 1));
foreach (var ruleKey in prioritisedRuleKeys)
{
currentState = _rules[ruleKey].GetNextCellState(neighbours, currentState);
}
return(currentState);
}
private static List <CellState> GetNeighbouringCellStates(ReadOnlyGrid concernedCells)
{
var neighbouringCells = new List <CellState>();
for (var rowIndex = 0; rowIndex < 3; rowIndex++)
{
for (var columnIndex = 0; columnIndex < 3; columnIndex++)
{
if (!IsCenterCell(rowIndex, columnIndex))
{
var cellPosition = new CellPosition(rowIndex, columnIndex);
neighbouringCells.Add(concernedCells.GetCellState(cellPosition));
}
}
}
return(neighbouringCells);
}
public bool HasMet(ReadOnlyGrid concernedCells)
{
var centerCellPosition = new CellPosition(1, 1);
return(_initialStates.Contains(concernedCells.GetCellState(centerCellPosition)));
}
public void GetNextCellState_Should_Get_Next_State_For_Given_Grid(ReadOnlyGrid grid, CellState expectedState)
{
var initialState = grid.GetCellState(new CellPosition(1, 1));
Assert.AreEqual(expectedState, _overcrowdingRule.GetNextCellState(grid, initialState));
}
